A group of physiological abnormalities such as an increase in blood pressure, diabetes, increase in cholesterol levels and obesity is known as Metabolic Syndrome. Women in their pregnancy period are highly prone to this problem. Doctors are taking the issue of metabolic syndrome in obstetric practice seriously as it may risk the pregnancy.
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Metabolic Syndrome In Obstetric Practice In South Asia
1. Dr. Laxmi Shrikhande MD; FICOG; FICMU
â˘Director-Shrikhande Fertility Clinic, Nagpur
â˘President Menopause Society, Nagpur
â˘National Corresponding Editor-The Journal of Obstetrics & Gynecology of India
â˘Senior Vice President FOGSI 2012
â˘Vice Chairperson ICOG
â˘Governing Council member ICOG 2012-2017
â˘Governing Council Member ISAR 2014-2019
â˘Governing Council Member IAGE for 3 terms
â˘Patron-Vidarbha Chapter ISOPARB
â˘Chairperson-HIV/AIDS Committee, FOGSI (2007-09)
â˘Received Best Committee Award of FOGSI
â˘Received Bharat excellence Award for womenâs health
â˘President Nagpur OB/GY Society 2005-06
â˘Associate member of RCOG
â˘Member of European Society of Human Reproduction
â˘Visited 96 FOGSI Societies as invited faculty
â˘Delivered 5 orations
â˘Publications-Twenty National & eleven International
â˘Presented Papers in FIGO, AICOG, SAFOG, AICC-RCOG conferences
â˘Conducted adolescent health programme for more than 15,000 adolescent girls
3. MS
⢠Metabolic syndrome (MS) is a complex disorder that
affects more and more people nowadays.
⢠Itâs considered as an epidemic of the 21st
century.
⢠Today, it is a matter of concern in both developed
and developing countries
Hajian-Tilaki, K. (2015) Metabolic Syndrome and Its Associated Risk Factors in Iranian
Adults: A Systematic Review. Caspian Journal of Internal Medicine, 6, 51-61.
4. MS
⢠The rural prevalence of MetS is found to be
reasonably low compared to the urban prevalence
⢠The prevalence of MS is commoner in females and
increases with the age and urban housing
Okafor Christian, I. (2012) Prevalence of Metabolic SyndromeâEmerging Data from
Africa. Indian Journal of Endo-crinology and Metabolism, 16, 56-66.
6. South Asia
⢠South Asia is home to well over one-fifth of the
world's population, making it both the most
populous and the most densely populated geographic
region in the world.
7. Prevalence in south asia
⢠Nationally representative studies regarding the
prevalence of the metabolic syndrome (MetS) are
generally not available from any South Asian country.
⢠Despite the high rates of metabolic risk factors,
research is extremely sparse in South Asia
preventing knowledge of actual burden
International Journal of Diabetes in Developing Countries
September 2016, Volume 36, Issue 3, pp 255â262
8. USA
Ford, E.S., Giles, W.H. and Dietz, W.H. (2002) Prevalence of the Metabolic Syndrome among US
Adults: Findings from the Third National Health and Nutrition Examination Survey.
Journal of the American Medical Association, 287, 356-359
9. Incidence in USA
⢠It is associated with the rising incidence of obesity in
developed and developing countries and is reaching
epidemic proportions affecting between 24% and
34% of the US population and up to 36% of
Europeans aged 40 - 55 years
Balkau, B., Charles, M.A., Drivsholm, T., et al. (2002) Frequency of the WHO Metabolic
Syndrome in European Co-horts, and an Alternative Definition of an Insulin Resistance
Syndrome. Diabetes & Metabolism, 28, 364-376.
10. How SA is different from west ??
⢠Studies in South Asian adults as well as children have
shown that hyperglycemia, hypertension, and
hypertriglyceridemia occur at lower levels of BMI
and WC
Misra A, Wasir JS, Vikram NK. Waist circumference criteria for the diagnosis of abdominal obesity are not
applicable uniformly to all populations and ethnic groups. Nutrition. 2005;21:969â76.
Mehta S. Relationship between measures of fatness, lipids and ethnicity in a cohort of adolescent boys.
Ann Nutr Metab. 2002;46:192â9.
11. How SA is different from west ??
⢠a consensus has been reached regarding lowering
WC cut-offs (âĽ90 cm in males and âĽ80 cm in
females) in South Asians based on adequate
evidence, which has henceforth been adopted in the
modified NCEP ATP III and IDF definitions
Vikram NK, Pandey RM, Misra A, Sharma R, Devi JR, Khanna N. Non-obese
(body mass index <25 kg/m2
) Asian Indians with normal waist circumference
have high cardiovascular risk. Nutrition. 2003;19:503â9
12. How SA is different from west ??
⢠Abdominal obesity is quite prevalent in South Asians,
with females outnumbering males.
Misra A, Khurana L. Obesity and the Metabolic Syndrome in developing
countries. J Clin Endocrinol Metab. 2008;93:S9â30
13. Causative factors in south asians
⢠physically less active
⢠Increasing usage of computers and mechanization in
workplaces and at household work is leading to a sedentary
lifestyle.
⢠Leisure-time activities have also shifted from outdoor games
to indoor entertainment like television and computer games.
⢠Importantly, girls and women have been found to be more
sedentary than men.
Misra A, Vikram NK. Insulin resistance syndrome (metabolic syndrome) and obesity in
Asian Indians. Evidence and implications. Nutrition. 2004;20:482â91
14. Causative factors in south asians
⢠Energy dense imbalanced foods (high calories, carbohydrates, saturated
fats, and low fiber) are being consumed increasingly in the Indian
subcontinent.
⢠Asian Indians consume higher carbohydrates as compared with Europeans,
and this may lead to hyperinsulinemia, postprandial hyperglycemia, high
serum TG, and low HDL levels associated with insulin resistance.
⢠South Asians also have significantly lower intakes of -3 polyunsaturatedĎ
fatty acids (PUFAs), monounsaturated fatty acids (MUFAs), and higher
intakes of -6 PUFAs than British Caucasians.Ď
Wasir JS, Misra A. The metabolic syndrome in Asian Indians: The impact of nutritional and
socio-economic transition in India. Metab Syndr Relat Disord. 2004;2:14â23.
Burden ML, Samanta A, Spalding D, Burden AC. A comparison of the glycaemic and
insulinaemic effects of an Asian and a European meal. Pract Diabetes Int. 1994;11:208â11
.
Sevak L, McKeigue PM, Marmot MG. Relationship of hyperinsulinemia to dietary intake in
south Asian and European men. Am J Clin Nutr. 1994;59:1069â74
15. Causative factors in south asians
⢠Rapid demographic, nutritional, and economic
changes are occurring in South Asians.
⢠The life expectancy and the percentage of elderly
population have increased.
⢠Most importantly, globalization of diets and
consumption of non traditional fast foods have
occurred at a rapid pace in urban areas.
16. The present definitions of the MS bear analogy to the folklore of the six blind
men and the elephant whereby each correctly describes only a part of the whole
17. Definition
⢠However, so far several definitions have been proposed by
⢠World Health Organi-zation (WHO),
⢠the International Disease Federation (IDF),
⢠the National Cholesterol Education Program (NCEP), and
⢠American Heart Association (AHA)
⢠National Heart, Lung and Blood Institute (NHLBI))
⢠âAdult Treatment Panel III (ATP III)â- has been widely used as a common
definition in literature
Grundy, S.M., Brewer Jr., H.B., Cleeman, J.I., et al. (2004) Definition of Metabolic Syndrome:
Report of the National Heart, Lung and Blood Institute/American Heart Association Conference on
Scientific Issues Related to Definition. Circulation, 109, 433-438.
18. Adult treatment Panel -ATP III Criteria
⢠presence of three or more of the five criteria
⢠high waist circumference (WC > 102 cm in men and WC > 88 cm in
women),
⢠high blood pressure (BP > 130/80 mm/Hg),
⢠high triglyceride (TG > 150 mm/dl),
⢠high glucose (FBG > 110 mg/dl, and
⢠low HDL (HDL < 40 mg/dl in men and HDL < 50 mg/dl in women)
â Reaven, G.M. (1988) Banting Lecture 1988. Role of Insulin Resistance in Human Disease.
Diabetes, 37, 1595-1607
⢠On the other hand, abdominal obesity, defined by high WC is a
compulsory criterion on two or more of the other four criteria in IDF
definition
â Hajian-Tilaki, K. (2015) Metabolic Syndrome and Its Associated Risk Factors in Iranian Adults: A
Systematic Review. Caspian Journal of Internal Medicine, 6, 51-61.
19. Difficulty in pregnancy
⢠The SM setting in pregnancy is controversial because the
criteria for detection of SM overlap to the physiologic
changes of pregnancy.
⢠During pregnancy, a woman experiences a set of periodic
transformations that disappear after delivery, among many
quoted phenomena: insulin resistance, increased anabolism in
the first half of pregnancy, increased adiposity, hyperlipidemia,
prothrombotic state
Bartha, J.L., Bugatto, F.G., MacĂas, R.F., GonzĂĄlez, N.L., Delgado, R.C. and Vivancos, B.H.
(2008) Metabolic Syn-drome in Normal and Complicated Pregnancies. European Journal of
Obstetrics & Gynecology and Reproductive Bi-ology, 137, 178-184
20. SM criteria in pregnancy
⢠There are various diagnosing criteria for metabolic
syndrome, but just Bartha and Chatzi presented
modifications to diagnosis of the metabolic syndrome
in obstetric people.
⢠Bartha introduced changes to the criteria of WHO
and NCEP-ATP III, while Chatzi did it in the criteria
of the NCEP ATP III and the NHLBI/AHA
21. NCEP-ATP III adaptation of MS settings to pregnancy
Clinical NCEPâATP III for defining SM
Proposal for Adaptation of MS definition of the NCEPâATP III to preg-
nancy [15]
Any of the following 3 Any of the following 3
Visceral obesity, defined as waist circumference Ë 88
cm
Visceral obesity , defined as waist circumference Ë 2 SD for
gestational
(in women) age in the 1st
half of pregnancy or pre-pregnancy BMI Ë 30 kg/m2
Plasma triglycerides ⼠150 mg/dl Plasma triglycerides ⼠2 SD for gestational age
ËHDL cholesterol 50 mg/dl (in women) HDL cholesterol Ë 2 SD for gestational age
Blood Pressure ⼠130/⼠85 mm/Hg Blood Pressure ⼠130/⼠85 mm/Hg
Fasting glucose ⼠110 mg/dL Fasting glucose ⼠110 mg/dL
Bartha, J.L., Bugatto, F.G., MacĂas, R.F., GonzĂĄlez, N.L., Delgado, R.C. and Vivancos, B.H.
(2008) Metabolic Syn-drome in Normal and Complicated Pregnancies.
European Journal of Obstetrics & Gynecology and Reproductive Bi-ology, 137, 178-184
22. WHO adaptation of MS settings to pregnancy
WHO clinical criteria for defining SM Proposal for Adaptation to Pregnancy SM definition of WHO [15]
Resistance to insulin by one of the following Resistance to insulin by one of the following
Type 2 Diabetes Type 2 Diabetes
Impaired fasting glucose Impaired fasting glucose ⼠105 mg/dL
Impaired Glucose Tolerance -
Insulin resistance defined euglycemic hyper- Insulin resistance defined using the euglycemic hyperinsulinemic clamp or other
insulinemic clamp using the sensitivity measuring method insulin, adjusted for gestational age
More any two of the following More any two of the following
Antihypertensive and/or high blood pressure Antihypertensive and/or high blood pressure (systolic or diastolic ⼠140 ⼠90
mm/Hg )
(systolic or diastolic ⼠140 ⼠90 mm/Hg)
Plasma triglycerides ⼠150 mg/dl TriglicerĂdeos plasmĂĄticos ⼠2 DP para a idade gestacional
ËHDL cholesterol 39 mg/dl (in women) Cholesterol HDL Ë 2 DP for gestational age
ËBMI 30 kg/m2
and/or the waist/hip Ë 0.85 2
(in women)
IMC pre-pregnancy Ë 30 Kg/m and/or waist/hip ratio Ë 0.85
Urinary albumin excretion rate ⼠20 g/min or
-
albumin creatinine ratio ⼠30 mg/g
23. MS diagnosis in pregnancy
metabolic syndrome is diagnosed if 3 or more of the following
risk factors are present:
⢠pre-pregnancy body mass index > 30 kg/m2
;
⢠level of triglyceride ⼠150 mg /dL;
⢠cholesterol level HDL < 50 mg/dl;
⢠fasting plasma glucose level ⼠100 mg/dL, and
⢠blood pressure level ⼠130/85 mm Hg
Chatzi, L., et el (2009) Metabolic Syndrome in Early Pregnancy and Risk of Preterm Birth.
American Journal of Epidemiology, 170, 829-836.
Chatzi, L et el (2009) The Metabolic Syndrome in Early Pregnancy &
Risk of Gestational Diabetes Mellitus. Dibetes & Metabolism, 35, 490-494.
24. Prevalence of SM in pregnancy
⢠There are few studies on metabolic syndrome in
pregnancy.
⢠In pregnant women with GDM it was reported a
prevalence of 10%
⢠In pregnant adolescents, the prevalence is 3% - 5%
BO, S., Menato, G., et al. (2004) Mild Gestational Hyperglycemia,
the Metabolic Syndrome and Adverse Neonatal Outcomes. Acta Obstetricia et Gynecologica Scandinavica, 83, 335- 340
Noussitou, P., Monbaron, D.,et al (2005) Gestational Diabetes Mellitus and
the Risk of Metabolic Syndrome: A Population-Based Study in Lausanne, Switzerland. Diabetes & Metabolism, 31, 361-369.
25. Prevalence of SM in puerperium
⢠Women with gestational hypertension have increased risk for
developing insulin resistance postpartum, thus increasing
likelihood of developing the metabolic syndrome.
⢠Drebes et al. 2009 detected a prevalence of MS in puerparas
who had been diagnosed pre-eclampasia of 13.9%, Al-Nasiry
2014 found it to be 7.6% .
Drebes, C., Hentschke, M., Cioffi, L., Furlanetti, T., da Costa, B.E.P., de Figueiredo, C.E.P. and
Gadonski, G. (2014) Hypertensive Disease Pregnancy and Metabolic Syndrome
Al-Nasiry, S., Ghossein-Doha, et el (2014) Metabolic Syndrome after Pregnancies Complicated by
Pre-Eclampsia or Small for Gestational Age: A Re-trospective Cohort. BJOG:
An International Journal of Obstetrics & Gynaecology, 47, 54-55.
26. Association of PIH with metabolic syndrome and increased
risk of cardiovascular disease in women: A systemic review
2016
⢠The prevalence and odds for developing MS after a
preeclamptic pregnancy are high suggesting that MS
may be involved in the pathogenesis of CVD
following preeclampsia.
⢠This will provide evidence on the potential health
benefits of a modifiable CVD risk screening program
for women with a history of preeclampsia.
Niger J Clin Pract. 2016 Jul-Aug;19(4):431-5.
27. Relation with Pregnancy wt gain
⢠women who have not lost the weight gained during
pregnancy up to twelve months after the birth of the
baby or put up on weight at this stage, are at serious
health risks
Retnakaran, R., Qi, Y., Sermer, M., Connelly, P.W., Zinman, B. and Hanley, A.J.G. (2008)
Isolated Hyperglycemia at 1 Hour on Oral Glucose Tolerance Test in Pregnancy
Resembles Gestational Diabetes Mellitus in Predicting Postpar-tum Metabolic Dysfunction.
28. Pre pregnancy obesity
⢠Metabolic alteration in pre-pregnancy is a determinant
complication factor in pregnancy, post-pregnancy, in life after
birth and adverse perinatal outcomes.
⢠Pre pregnancy obesity has been demonstrated to be an
independent risk factor for: macrosomia, delivery by cesarean
section, pregnancy induced hypertension, congenital
malformation and increased risk of IUFD
Bartha, J.L., et al (2007) Ultrasound Evaluation of Visceral Fat and
Metabolic Ris Factors during Early Pregnancy. Obesity, 15, 2233-2239.
29. ⢠the long-term effects of inter pregnancy or pre
pregnancy lifestyle interventions on subsequent
GDM remain unknown.
⢠Future adequately powered and well-controlled clinical trials
are needed to determine the effects of lifestyle interventions
to prevent GDM and identify pathways to effectively reach
reproductive-aged women across all levels of society, before,
during, and after pregnancy.
Am J Perinatol. 2016 Aug 3
Role of pre / inter preg intervention on GDM
Windows of Opportunity for Lifestyle Interventions to
Prevent Gestational Diabetes Mellitus.
30. The risk of metabolic syndrome after gestational diabetes
mellitus - a hospital-based cohort study
⢠120 women with a history of GDM and 120 women with a
history of normal glucose metabolism during pregnancy, all
aged between 25 and 46 were enrolled
⢠CONCLUSIONS:
⢠The risk of MetS was 2.4-fold higher after GDM than after
normal pregnancy. Cardiovascular risk factors were more
common in participants with high BMI than in those with
previous GDM. Multivariate analysis supported the main
findings. Weight control is important in preventing MetS after
delivery.
Diabetol Metab Syndr. 2015 May 12;7:43
31. Parity, duration of lactation and prevalence of maternal
metabolic syndrome: a cross-sectional study
⢠Our data did not support protective roles of
lactation in development of metabolic syndrome,
since in our study longer lactation durations as well
as higher number of parities were seen among
participants with metabolic syndrome.
Eur J Obstet Gynecol Reprod Biol. 2016 Jun;201:70-4.
32. Preterm Delivery and Metabolic Syndrome in Women
Followed From Prepregnancy Through 25 Years Later
⢠Women with a history of preterm birth have
increased risk of incident metabolic syndrome
compared with those with term births, independent
of the prepregnancy metabolic status and pregnancy
complications.
Obstet Gynecol. 2016 Jun;127(6):1127-34.
33. The effect of combined inositol supplementation on maternal metabolic
profile in pregnancies complicated by metabolic syndrome and obesity
⢠Combined inositol treatment during pregnancy
improves blood pressure, glucose levels at the
glucose tolerance test, and leptin levels in pregnant
women with metabolic-like syndrome phenotype but
not in obese pregnant women.
⢠In addition, inositol treatment was associated with
lower gestational weight gain in the obese but not in
the metabolic-like syndrome pregnant women.
Am J Obstet Gynecol. 2016 Oct;215(4):503.e1-8
34. Metabolic risk factors clustering and adverse pregnancy
outcomes: a prospective cohort study
⢠prospective cohort study
⢠Pre-pregnancy Overweight/obesity, and pregnancy high triglycerides, low
high density lipoprotein-cholesterol, hyperglycemia, raised blood pressure
were defined as metabolic risk factors.
⢠Adverse pregnancy outcomes were defined as preterm delivery,
small/large for gestational age, preeclampsia, gestational diabetes mellitus,
neonatal asphyxia and fetal demise. Stratified analyses were conducted on
a total of 5535 women according to classification in each metabolic risk
factor
⢠The numbers of metabolic risk factors and adverse pregnancy outcomes
were positively correlated (P trend <0.001).
⢠Pregnant women with a cluster of metabolic risk factors are more likely
to have adverse pregnancy outcomes than the others.
Diabetes Metab Res Rev. 2016 Apr 2
35. Nutraceuticals as Lipid-Lowering Treatment in Pregnancy and Their
Effects on the Metabolic Syndrome
⢠Maternal nutrition and lifestyle before and during pregnancy
influence both mother and offspring's health and can be
correlated with the metabolic syndrome in later life
⢠A low nutritional intake in early pregnancy may represent a
risk for adverse effects during pregnancy as well as on birth
outcome.
⢠Further prospective and intervention studies are needed to
establish it. Healthy lifestyle and dietary advice with
appropriate supplements usage should be considered.
Curr Pharm Biotechnol. 2016;17(7):614-23.
36. Pregnancy-Associated Hypertension in Glucose-Intolerant
Pregnancy and Subsequent Metabolic Syndrome
⢠observational cohort study on 825 women
⢠CONCLUSION:
⢠Women with varying degrees of glucose intolerance
who experienced pregnancy-associated hypertension
and then delivered preterm had a higher frequency
of subsequent hypertension, high triglycerides, and
metabolic syndrome 5-10 years later.
Obstet Gynecol. 2016 Apr;127(4):771-9
37. Nature and Nurture in the Early-Life Origins of
Metabolic Syndrome
⢠The combination of genetic background together with food excess and
lack of exercise has become the cornerstone of metabolic disorders
associated to lifestyle.
⢠Thus, having in mind the impact of the metabolic syndrome on the
worldwide public health, the present review affords the relative roles and
the interrelationships of nature (genetic predisposition to metabolic
syndrome) and nurture (lifestyle and environmental effects causing
epigenetic changes), on the establishment of the metabolic disorders in
women; disorders that may evolve to metabolic syndrome prior or during
pregnancy and may be transmitted to their descendants.
Curr Pharm Biotechnol. 2016;17(7):573-86.
38. The combination of maternal and offspring high-fat diets causes marked
oxidative stress and development of metabolic syndrome in mouse offspring
⢠Maternal overnutrition (e.g., high-fat (HF) diet) during
pregnancy and lactation is believed to cause oxidative stress
and increase the risk of metabolic syndrome in offspring. In
the present study, we investigated the effects of both
maternal and offspring HF diets on metabolic syndrome risk
and oxidative stress profiles in mice
⢠results suggest that the combination of maternal and offspring
overnutrition causes marked oxidative stress in offspring,
which accelerates metabolic syndrome.
Life Sci. 2016 Apr 15;151:70-5.
39. Chronic exposure to air pollution particles increases the risk of obesity and
metabolic syndrome: findings from a natural experiment in Beijing
⢠Epidemiologic evidence suggests that air pollution is a risk
factor for childhood obesity.
⢠However, no data have directly supported a link between air
pollution and non-diet-induced weight increases
⢠In a rodent model, we found that breathing Beijing's highly
polluted air resulted in weight gain and cardiorespiratory and
metabolic dysfunction.
⢠Chronic exposure to air pollution particles increases the risk
of obesity and metabolic syndrome
FASEB J. 2016 Jun;30(6):2115-22
40. Maternal adverse effects
⢠Maternal dietary conditions and changes in the intra uterine
environment are directly related to the outcome of
pregnancy.
⢠preterm birth, IUGR and newborn with LBW have a higher
risk of developing cardiovascular disease and insulin resistance
in the future.
⢠Previous studies have reported associations between pre-
pregnancy obesity, chronic hypertension, dyslipidemia, and
inflammation in early pregnancy to higher risks of preterm
birth and intrauterine growth restriction
Chatzi, L., Plana, E., et al (2009) Metabolic Syndrome in Early Pregnancy and Risk of
Preterm Birth. American Journal of Epidemiology, 170, 829-836
41. Perinatal sequlae
⢠Concerning the adverse perinatal outcomes, the
LGA and SGA neonates have augmented chances of
developing metabolic syndrome later
Hou, R.L., Jin, W.Y., et al (2014) Cord blood C-Peptide, Insulin, HbA1c, and Lipids Levels in
Small- and Large-for-Gestational-Age Newborns. Medical Science Monitor, 20, 2097-2105.
42. MS programming in intrauterine life
⢠Pregnant women who developed GDM or HGL
usually were found to be born with lower weight and
shorter legs, showing the fetal programming of MS
still in their intrauterine life
43. Prevention of complications of SM in pregnancy
⢠Once diagnosed Metabolic Syndrome in Pregnancy
(MSG) or elements of it, itâs possible to provide
rapid intervention to prevent complications in
pregnancy and adverse perinatal outcomes
Liu, J., Laditka, J.N., Mayer-Davis, E.J. and Pate, E.R. (2008) Does Physical Activity during Pregnancy
Reduce the Risk Gestacional Diabetes among Previously Inactive Women? Birth, 35, 188-195.
44. Prevention is better than cure !!
⢠In order to prevent MetS, a multipronged approach
is essential, which should include
⢠behavior modification,
⢠dietary modifications,
⢠increase in physical activities,
⢠prevention of smoking and alcohol excess.
Prabhakaran D, Reddy KS. The metabolic syndrome: Looking
beyond the debates. Clin Pharmacol Ther. 2011;90:19â21
45. Prevention in pregnancy
⢠Regarding the obstetric and neonatal complications related to MS in
pregnancy, gestational diabetes, hiperisulinemia, presence of acute
co- morbidities or chronic complications are directly related to
morbidity and maternal and fetal mortality.
⢠For this association is urgent to pay more attention in the
treatment and diet to prevent diseases that cause disorders in the
lives of mother/fetus and society.
⢠50% to 70% of diabetic pregnant women improve their glycemic
rates with dietary improvement Â
Maganha, C.A., Vanni, D.G.B.S., Bernardini, M.A. and Zugaib, M. (2003) Treatment of
Gestational Diabetes Mellitus. Journal of the Brazilian Medical Association, 49, 330-334.
46. School
⢠Schools offer an ideal medium for lifestyle interventions
because the obesogenic lifestyle behaviors are less well
developed in children and are therefore amenable to change.
⢠Moreover, it is important to identify the adolescents at risk
for T2DM and CHD at an early age and use appropriate
prevention strategies while the pathological processes are still
reversible.
Bhatia V. IAP National Task Force for Childhood Prevention of Adult Diseases: Insulin
resistance and type 2 diabetes mellitus in childhood. Indian Pediatr. 2004;41:443â57.
Singhal N, Misra A, Shah P, Gulati S, Bhatt S, Sharma S, et al. Impact of intensive school-
based nutrition education and lifestyle interventions on insulin resistance, β-cell function,
disposition index, and subclinical inflammation among Asian Indian adolescents: A
controlled intervention study. Metab Syndr Relat Disord. 2011;9:143â50
50. Drugs for obesity in children ??
⢠According to the current international guidelines,
none of the pharmacological agents are approved for
use for prevention of obesity or MetS in children
51. Summary
⢠The metabolic syndrome is a common metabolic disorder that results
from the increasing prevalence of obesity.
⢠The disorder is defined in various ways, but in the near future a new
definition(s) will be applicable worldwide.
⢠The pathophysiology seems to be largely attributable to insulin resistance
with excessive flux of fatty acids implicated.
⢠A proinflammatory state probably contributes to the syndrome.
⢠The increased risk for type 2 diabetes and cardiovascular disease demands
therapeutic attention for those at high risk.
⢠The fundamental approach is weight reduction and increased physical
activity; however, drug treatment could be appropriate for diabetes and
cardiovascular disease risk reduction.
52. Role of obstetrician
⢠OPD-adolescent PCOS and other adolescent pts
⢠Unique opportunity to counsel their mothers as well
⢠Community-school health programmes
⢠Pregnant lady-high index of suspicion from 1st
visit-
goal is to prevent not only in this pregnancy but in
future pregnancies as well and also prevent MS in her
later life (womenâs dr)
53. Take Home Message
⢠MS âfocus on prevention
⢠MS-early diagnosis to prevent complications in
current pregnancy
⢠MS- remain vigilant for its sequel
The South Asians are physically less active compared to other ethnic groups. Increasing usage of computers and mechanization in workplaces and at household work is leading to a sedentary lifestyle. Leisure-time activities have also shifted from outdoor games to indoor entertainment like television and computer games. Importantly, girls and women have been found to be more sedentary than men.[14,91] Energy dense imbalanced foods (high calories, carbohydrates, saturated fats, and low fiber) are being consumed increasingly in the Indian subcontinent.[92] Asian Indians consume higher carbohydrates as compared with Europeans, and this may lead to hyperinsulinemia, postprandial hyperglycemia, high serum TG, and low HDL levels associated with insulin resistance.[93] South Asians also have significantly lower intakes of Ď-3 polyunsaturated fatty acids (PUFAs), monounsaturated fatty acids (MUFAs), and higher intakes of Ď-6 PUFAs than British Caucasians.[94] Overall, increasing
The South Asians are physically less active compared to other ethnic groups. Increasing usage of computers and mechanization in workplaces and at household work is leading to a sedentary lifestyle. Leisure-time activities have also shifted from outdoor games to indoor entertainment like television and computer games. Importantly, girls and women have been found to be more sedentary than men.[14,91] Energy dense imbalanced foods (high calories, carbohydrates, saturated fats, and low fiber) are being consumed increasingly in the Indian subcontinent.[92] Asian Indians consume higher carbohydrates as compared with Europeans, and this may lead to hyperinsulinemia, postprandial hyperglycemia, high serum TG, and low HDL levels associated with insulin resistance.[93] South Asians also have significantly lower intakes of Ď-3 polyunsaturated fatty acids (PUFAs), monounsaturated fatty acids (MUFAs), and higher intakes of Ď-6 PUFAs than British Caucasians.[94] Overall, increasing
The present definitions of the MetS bear analogy to the folklore of the six blind men and the elephant whereby each correctly describes only a part of the whole. The perfect definition of MetS would be the one which would not only be resource demanding, detect abnormalities at the earliest and in a graded manner, but would also encompasses all the clinically relevant aspects of the aforesaid syndrome
Diabetol Metab Syndr. 2015 May 12;7:43. doi: 10.1186/s13098-015-0038-z. eCollection 2015.
The risk of metabolic syndrome after gestational diabetes mellitus - a hospital-based cohort study.
Vilmi-Kerälä T1, Palomäki O2, Vainio M3, Uotila J4, Palomäki A5.
Author information
Abstract
BACKGROUND:
Women with gestational diabetes mellitus (GDM) are at an increased risk of developing metabolic syndrome (MetS) after delivery. Recently, the prevalence of both GDM and MetS has increased worldwide, in parallel with obesity. We investigated whether the presentation of MetS and its clinical features among women with previous GDM differs from that among those with normal glucose tolerance during pregnancy, and whether excess body weight affects the results.
METHODS:
This hospital-based study of two cohorts was performed in Kanta-Häme Central Hospital, Finland. 120 women with a history of GDM and 120 women with a history of normal glucose metabolism during pregnancy, all aged between 25 and 46 were enrolled. They all underwent physical examination and had baseline blood samples taken. All 240 women were also included in subgroup analyses to study the effect of excess body weight on the results.
RESULTS:
Although the groups did not differ in body mass index (BMI; pâ=â0.069), the risk of developing MetS after pregnancy complicated by GDM was significantly higher than after normal pregnancy, 19 vs. 8 cases (pâ â=ââ 0.039). Fasting glucose (pâ&lt;â0.001) and triglyceride levels (pâ&lt;â0.001) were significantly higher in women affected. In subgroup analysis, cardiovascular risk factors were more common in participants with high BMI than in those with previous gestational diabetes.
CONCLUSIONS:
The risk of MetS was 2.4-fold higher after GDM than after normal pregnancy. Cardiovascular risk factors were more common in participants with high BMI than in those with previous GDM. Multivariate analysis supported the main findings. Weight control is important in preventing MetS after delivery.
KEYWORDS:
Body mass index; Body weight excess; Cardiovascular risk factors; Gestational diabetes mellitus; Metabolic syndrome
Eur J Obstet Gynecol Reprod Biol. 2016 Jun;201:70-4. doi: 10.1016/j.ejogrb.2016.03.038. Epub 2016 Mar 31.
Parity, duration of lactation and prevalence of maternal metabolic syndrome: a cross-sectional study.
Moradi S1, Zamani F2, Pishgar F3, Ordookhani S4, Nateghi N4, Salehi F4.
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Abstract
OBJECTIVE:
Pregnancy is associated with insulin resistance in tissues. Although this condition is resolved after termination of pregnancy, subtle metabolic changes can remain and prompt incidence of metabolic syndrome. However, lactation causes increased metabolic load and energy needs and it may confer with unfavorable effects of pregnancy in metabolic status. We conduct this study to evaluate impacts of lactation on development of metabolic syndrome (MetS) among women.
STUDY DESIGN:
In this cross-sectional study, we enrolled 978 women aged between 40 and 70 years who had at least one previous live birth, referred to population research center of Amol, Iran in 2011. We surveyed medical registries of participants of Amol health cohort and filled the checklist we had designed for our study. The checklist included main variables like age, number of pregnancies, life-time lactation duration, waist size, systolic and diastolic blood pressures, blood triglyceride level, and blood glucose level.
RESULTS:
We included 978 women among which, the mean age of participants was 53.24Âą7.8 years. Calculated odds ratio (OR) for relationship of number of parities and metabolic syndrome (OR=1.14 [95% CI=1.02-1.28] p-value=0.017) was found to be statistically significant. However, calculated odds ratio for relationship of lactation duration and MetS (OR=0.99 [95% CI=0.99-1.00], p-value=0.322) was not statistically meaningful. Moreover, we calculated OR and Pearson correlation coefficient in different strata of number of parities, none of which were statistically significant and hence did not support protective roles of lactation in development of metabolic syndrome.
CONCLUSIONS:
Our data did not support protective roles of lactation in development of metabolic syndrome, since in our study longer lactation durations as well as higher number of parities were seen among participants with metabolic syndrome.
Copyright Š 2016 Elsevier Ireland Ltd. All rights reserved.
KEYWORDS:
Breast-feeding; Lactation; Metabolic syndrome; Parity
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Obstet Gynecol. 2016 Jun;127(6):1127-34. doi: 10.1097/AOG.0000000000001434.
Preterm Delivery and Metabolic Syndrome in Women Followed From Prepregnancy Through 25 Years Later.
Catov JM1, Althouse AD, Lewis CE, Harville EW, Gunderson EP.
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Abstract
OBJECTIVE:
To investigate whether women who deliver preterm have excess risk for metabolic dysregulation independent of prepregnancy factors.
METHODS:
We conducted a multicenter, longitudinal, observational study of 1,205 women (50% black) in the Coronary Artery Risk Development in Young Adults study with at least one birth between baseline (1985-1986) and year 25 and no metabolic syndrome or diabetes before pregnancy. Cardiometabolic factors were measured prepregnancy and at up to five subsequent examinations. We estimated the relative hazards of incident metabolic syndrome in women with one or more preterm births (less than 37 weeks of gestation, n=295) compared with only term births (37 weeks of gestation or greater, n=910). Self-reported gestational diabetes mellitus, hypertension during pregnancy, and time-dependent weight gain were also considered as covariates.
RESULTS:
Of 315 cases of metabolic syndrome in 17,717 person-years of follow-up, the incidence rate was higher among women with preterm compared with term births (22.0 compared with 16.4 per 1,000 person-years; relative hazard 2.91 [95% confidence interval (CI) 2.75-3.09]). After adjustment for prepregnancy cardiometabolic factors and covariates, the relative hazard (95% CI) for metabolic syndrome was 1.52 (1.22-1.88) for women with preterm compared with term births. Gestational diabetes mellitus, hypertension during pregnancy, and weight gain only modestly attenuated this association. Elevated blood pressure (36.3% compared with 26.7%, P=.002) and central adiposity (51.5% compared with 44.0%, P=.02) were the individual metabolic syndrome components that were different in women with preterm compared with term births.
CONCLUSION:
Women with a history of preterm birth have increased risk of incident metabolic syndrome compared with those with term births, independent of the prepregnancy metabolic status and pregnancy complications.
Am J Obstet Gynecol. 2016 Oct;215(4):503.e1-8. doi: 10.1016/j.ajog.2016.05.038. Epub 2016 May 30.
The effect of combined inositol supplementation on maternal metabolic profile in pregnancies complicated by metabolic syndrome and obesity.
Ferrari F1, Facchinetti F2, Ontiveros AE3, Roberts RP3, Saade MM3, Blackwell SC3, Sibai BM3, Refuerzo JS3, Longo M3.
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Abstract
BACKGROUND:
Myoinositol and D-chiroinositol improve insulin resistance in women with obesity and gestational diabetes and in postmenopausal women with metabolic syndrome. We previously reported that offspring born to hypertensive dams lacking endothelial nitric oxide synthase and fed a high-fat diet develop metabolic-like syndrome phenotype.
OBJECTIVE:
The objective of the study was to investigate the effect of a mixture of myoinositol/D-chiroinositol supplementation during pregnancy on the maternal metabolic profile in pregnancies complicated by the metabolic-like syndrome and obesity using a pregnant mouse model.
STUDY DESIGN:
Female heterozygous endothelial nitric oxide synthase(-/+) mice with moderate hypertension were placed on a high-fat diet for 4 weeks to induce a metabolic-like syndrome phenotype. Similarly, wild-type C57BL/6 mice were placed on a high-fat diet for 4 weeks to induce a murine obesity model. Mice were then bred with wild-type males. On gestational day 1, dams were randomly allocated to receive either a mixture of myoinositol/D-chiroinositol in water (7.2/0.18 mg/mL, respectively) or water as control (placebo). At term (gestational day 18), maternal weights, systolic blood pressure, and a glucose tolerance test were obtained. Dams were then killed; pups and placentas were weighed and maternal blood collected. Serum levels of metabolic biomarkers relevant to diabetes and obesity (ghrelin, gastric inhibitory peptide, glucagon-like peptide 1, glucagon, insulin, leptin, resistin) were measured by a multiplex enzyme-linked immunosorbent assay. Analysis was done comparing metabolic-like syndrome-myoinositol/D-chiroinositol-treated vs metabolic-like syndrome-nontreated mice and obese-myoinositol/D-chiroinositol-treated vs obese nontreated mice.
RESULTS:
Mean systolic blood pressure was lower in metabolic-like syndrome pregnant mice treated with myoinositol/D-chiroinositol compared with placebo (PÂ = .04), whereas there was no difference in systolic blood pressure between treated and placebo-treated obese pregnant mice. Pregnant metabolic-like syndrome mice treated with myoinositol/D-chiroinositol showed lower glucose values during the glucose tolerance test and in the area under the curve (myoinositol/D-chiroinositol: 17512.5 Âą 3984.4 vs placebo: 29687.14 Âą 8258.7; PÂ =Â .003), but no differences were seen in the obese pregnant mice. Leptin serum levels were lower in the metabolic-like syndrome-myoinositol/D-chiroinositol-treated mice compared with the placebo group (myoinositol/D-chiroinositol: 16985 Âą 976.4 pg/dL vs placebo: 24181.9 Âą 3128.2 pg/dL, PÂ = .045). No other differences were seen in any of the remaining serum metabolic biomarkers studied in metabolic-like syndrome and in obese pregnant mice. Maternal weight gain was not different in the pregnant metabolic-like syndrome dams, whereas it was lower in the obese myoinositol/D-chiroinositol-treated dams compared with the placebo group (myoinositol/D-chiroinositol: 10.9 Âą 0.5 g vs 12.6 Âą 0.6 g, PÂ = .04). Fetal and placental weights did not differ between myoinositol/D-chiroinositol-treated and nontreated pregnant dams with metabolic-like syndrome and obesity.
CONCLUSION:
Combined inositol treatment during pregnancy improves blood pressure, glucose levels at the glucose tolerance test, and leptin levels in pregnant dams with metabolic-like syndrome phenotype but not in obese pregnant dams. In addition, inositol treatment was associated with lower gestational weight gain in the obese but not in the metabolic-like syndrome pregnant dams.
Diabetes Metab Res Rev. 2016 Apr 2. doi: 10.1002/dmrr.2803. [Epub ahead of print]
Metabolic risk factors clustering and adverse pregnancy outcomes: a prospective cohort study.
Lei Q1, Niu J1, Lv L1, Duan D1, Wen J1, Lin X1, Mai C1, Zhou Y1.
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Abstract
BACKGROUND:
The relative contributions of a cluster of metabolic risk factors in pregnancy complications are not fully understood. We investigated the correlation between metabolic risk factors clustering and adverse pregnancy outcomes.
METHODS:
This prospective cohort study was performed on pregnant women who sought for health care during their whole gestation in a women and children hospital and the pregnancy outcomes were also followed. Pre-pregnancy Overweight/obesity, and pregnancy high triglycerides, low high density lipoprotein-cholesterol, hyperglycemia, raised blood pressure were defined as metabolic risk factors. Adverse pregnancy outcomes were defined as preterm delivery, small/large for gestational age, preeclampsia, gestational diabetes mellitus, neonatal asphyxia and fetal demise. Stratified analyses were conducted on a total of 5535 women according to classification in each metabolic risk factor. The adjusted odd ratio (OR) for adverse pregnancy outcomes according to the number of clustering metabolic factors was calculated using the logistic regression analysis.
RESULTS:
The numbers of metabolic risk factors and adverse pregnancy outcomes were positively correlated (P trend &lt;0.001). Compared to women who without any metabolic risk factor, women with one metabolic risk factor had a risk (ORâ=â1.67 95%CI 1.42-1.96) of adverse pregnancy outcomes, women with a cluster of two metabolic risk factors tended to develop more adverse pregnancy outcomes (ORâ=â3.32 95% CI 2.69-4.10), and the risk was much higher in women with a clustering of three or more metabolic risk factors (ORâ=â10.40 95%CI 7.37-14.69).
CONCLUSIONS:
Pregnancy women with a cluster of metabolic risk factors are more likely to have adverse pregnancy outcomes than the others.
This article is protected by copyright. All rights reserved.
Curr Pharm Biotechnol. 2016;17(7):614-23.
Nutraceuticals as Lipid-Lowering Treatment in Pregnancy and Their Effects on the Metabolic Syndrome.
Al-Dughaishi T, Nikolic D, Zadjali F, Al-Hashmi K, Al-Waili K, Rizzo M, Al-Rasadi K1.
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Abstract
Maternal nutrition and lifestyle before and during pregnancy influence both mother and offspring&apos;s health and can be correlated with the metabolic syndrome in later life. Findings from animal and human studies indicate that nutrition during pregnancy has an important role in microbiological, metabolic, physiologic and immunologic development and homeostasis. A low nutritional intake in early pregnancy may represent a risk for adverse effects during pregnancy as well as on birth outcome. It seems that dietary supplementation with probiotics in perinatal period may represent safe and practical approach in dealing with the most common adverse pregnancy outcomes such as obesity and gestational diabetes. The SPRING (Study of Probiotics in the prevention of Gestational diabetes) will give important answers about potential benefits of probiotics in pregnant women who are obese and overweight and otherwise at the high risk for complications during pregnancy. Fish oil supplementation during the last trimester of pregnancy showed no effects on plasma lipids and lipoproteins in offspring, as well as on their adiposity. The effect of hypercholesterolemia during pregnancy on both mothers and child needs to be further investigated as it could have a biological role. The guidelines for the eventual clinical approach currently do not exist. Potential benefits of nutraceuticals on several metabolic parameters have been suggested. Limited evidence does not allow to draw final conclusions on preventive health strategies and dietary patterns that should be promoted during pregnancy. Further prospective and intervention studies are needed to establish it. Healthy lifestyle and dietary advice with appropriate supplements usage should be considered.
Obstet Gynecol. 2016 Apr;127(4):771-9. doi: 10.1097/AOG.0000000000001353.
Pregnancy-Associated Hypertension in Glucose-Intolerant Pregnancy and Subsequent Metabolic Syndrome.
Rice MM1, Landon MB, Varner MW, Casey BM, Reddy UM, Wapner RJ, Rouse DJ, Biggio JR Jr, Thorp JM Jr, Chien EK, Saade G, Peaceman AM, Blackwell SC, VanDorsten JP; Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Maternal-Fetal Medicine Units Network (MFMU).
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Abstract
OBJECTIVE:
To evaluate whether pregnancy-associated hypertension (preeclampsia or gestational hypertension) among women with varying degrees of glucose intolerance during pregnancy is associated with maternal metabolic syndrome 5-10 years later.
METHODS:
This was an observational cohort study of women previously enrolled in a treatment trial of mild gestational diabetes mellitus or an observational study of lesser degrees of glucose intolerance evaluated 5-10 years after their index pregnancy. At follow-up, women underwent anthropometric and blood pressure measurements and analysis of fasting glucose and serum lipids.
RESULTS:
A total of 825 women (47% of eligible women from the original study) were included in this analysis and evaluated at a median 7 years after their index pregnancy at a median age of 35 years. Overall, 239 (29%) had subsequent metabolic syndrome. The frequency of metabolic syndrome and its components was highest in the women who had pregnancy-associated hypertension and delivered preterm. After adjusting for confounding factors, pregnancy-associated hypertension in women who delivered preterm was associated with subsequent hypertension (130/85 mm Hg or greater; relative risk 3.06, 95% confidence interval [CI] 1.95-4.80, P&lt;.001), high triglycerides (150 mg/dL or greater; relative risk 1.82, 95% CI 1.06-3.14, P=.03), and metabolic syndrome (per the American Heart Association and National Heart Lung and Blood Institute Scientific Statement; relative risk 1.78, 95% CI 1.14-2.78, P=.01) compared with women who remained normotensive throughout their index pregnancy and were delivered at term.
CONCLUSION:
Women with varying degrees of glucose intolerance who experienced pregnancy-associated hypertension and then delivered preterm had a higher frequency of subsequent hypertension, high triglycerides, and metabolic syndrome 5-10 years later.
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Obstet Gynecol. 2016 Apr;127(4):771-9. doi: 10.1097/AOG.0000000000001353.
Pregnancy-Associated Hypertension in Glucose-Intolerant Pregnancy and Subsequent Metabolic Syndrome.
Rice MM1, Landon MB, Varner MW, Casey BM, Reddy UM, Wapner RJ, Rouse DJ, Biggio JR Jr, Thorp JM Jr, Chien EK, Saade G, Peaceman AM, Blackwell SC, VanDorsten JP; Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Maternal-Fetal Medicine Units Network (MFMU).
Author information
Abstract
OBJECTIVE:
To evaluate whether pregnancy-associated hypertension (preeclampsia or gestational hypertension) among women with varying degrees of glucose intolerance during pregnancy is associated with maternal metabolic syndrome 5-10 years later.
METHODS:
This was an observational cohort study of women previously enrolled in a treatment trial of mild gestational diabetes mellitus or an observational study of lesser degrees of glucose intolerance evaluated 5-10 years after their index pregnancy. At follow-up, women underwent anthropometric and blood pressure measurements and analysis of fasting glucose and serum lipids.
RESULTS:
A total of 825 women (47% of eligible women from the original study) were included in this analysis and evaluated at a median 7 years after their index pregnancy at a median age of 35 years. Overall, 239 (29%) had subsequent metabolic syndrome. The frequency of metabolic syndrome and its components was highest in the women who had pregnancy-associated hypertension and delivered preterm. After adjusting for confounding factors, pregnancy-associated hypertension in women who delivered preterm was associated with subsequent hypertension (130/85 mm Hg or greater; relative risk 3.06, 95% confidence interval [CI] 1.95-4.80, P&lt;.001), high triglycerides (150 mg/dL or greater; relative risk 1.82, 95% CI 1.06-3.14, P=.03), and metabolic syndrome (per the American Heart Association and National Heart Lung and Blood Institute Scientific Statement; relative risk 1.78, 95% CI 1.14-2.78, P=.01) compared with women who remained normotensive throughout their index pregnancy and were delivered at term.
CONCLUSION:
Women with varying degrees of glucose intolerance who experienced pregnancy-associated hypertension and then delivered preterm had a higher frequency of subsequent hypertension, high triglycerides, and metabolic syndrome 5-10 years later.
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Curr Pharm Biotechnol. 2016;17(7):573-86.
Nature and Nurture in the Early-Life Origins of Metabolic Syndrome.
Gonzalez-Bulnes A1, Astiz S, Ovilo C, Garcia-Contreras C, Vazquez-Gomez M.
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Abstract
The combination of genetic background together with food excess and lack of exercise has become the cornerstone of metabolic disorders associated to lifestyle. The scenario is furthermore reinforced by their interaction with other environmental factors (stress, sleeping patterns, education, culture, rural versus urban locations, and xenobiotics, among others) inducing epigenetic changes in the exposed individuals. The immediate consequence is the development of further alterations like obesity and metabolic syndrome, and other adverse health conditions (type-2 diabetes, cardiovascular diseases, cancer, reproductive, immune and neurological disorders). Thus, having in mind the impact of the metabolic syndrome on the worldwide public health, the present review affords the relative roles and the interrelationships of nature (genetic predisposition to metabolic syndrome) and nurture (lifestyle and environmental effects causing epigenetic changes), on the establishment of the metabolic disorders in women; disorders that may evolve to metabolic syndrome prior or during pregnancy and may be transmitted to their descendants.
Life Sci. 2016 Apr 15;151:70-5. doi: 10.1016/j.lfs.2016.02.089. Epub 2016 Feb 26.
The combination of maternal and offspring high-fat diets causes marked oxidative stress and development of metabolic syndrome in mouse offspring.
Ito J1, Nakagawa K2, Kato S3, Miyazawa T4, Kimura F1, Miyazawa T1.
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Abstract
Maternal overnutrition (e.g., high-fat (HF) diet) during pregnancy and lactation is believed to cause oxidative stress and increase the risk of metabolic syndrome in offspring. In the present study, we investigated the effects of both maternal and offspring HF diets on metabolic syndrome risk and oxidative stress profiles in mice. Dams of the C57BL/6J mouse strain were fed a HF or control (CO) diet during gestation and lactation. Offspring were weaned at 3weeks of age. The female offspring were sacrificed at weaning, while the males were maintained on the HF or CO diet until 11weeks of age. Tissue samples, including those from liver, were collected from offspring at 3 and 11weeks of age, and lipids, phosphatidylcholine hydroperoxide (PCOOH, an oxidative stress marker), and gene expression were evaluated. Accumulation of lipids, but not PCOOH, was found in the livers of 3-week-old offspring from dams fed the HF diet. When the offspring were maintained on a HF diet until 11weeks of age, marked accumulation of both liver lipids and PCOOH was observed. PCOOH manifestation was supported by the expression of genes such as Gpx4, encoding a PCOOH degrading enzyme. These results suggest that the combination of maternal and offspring overnutrition causes marked oxidative stress in offspring, which accelerates metabolic syndrome. The present findings in offspring from infancy to adulthood may be useful for better understanding the cause-and-effect relationships between oxidative stress and metabolic syndrome development.
Copyright Š 2016 Elsevier Inc. All rights reserved.
FASEB J. 2016 Jun;30(6):2115-22. doi: 10.1096/fj.201500142. Epub 2016 Feb 18.
Chronic exposure to air pollution particles increases the risk of obesity and metabolic syndrome: findings from a natural experiment in Beijing.
Wei Y1, Zhang JJ2, Li Z3, Gow A4, Chung KF5, Hu M6, Sun Z7, Zeng L6, Zhu T6, Jia G8, Li X3, Duarte M9, Tang X10.
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Abstract
Epidemiologic evidence suggests that air pollution is a risk factor for childhood obesity. Limited experimental data have shown that early-life exposure to ambient particles either increases susceptibility to diet-induced weight gain in adulthood or increases insulin resistance, adiposity, and inflammation. However, no data have directly supported a link between air pollution and non-diet-induced weight increases. In a rodent model, we found that breathing Beijing&apos;s highly polluted air resulted in weight gain and cardiorespiratory and metabolic dysfunction. Compared to those exposed to filtered air, pregnant rats exposed to unfiltered Beijing air were significantly heavier at the end of pregnancy. At 8 wk old, the offspring prenatally and postnatally exposed to unfiltered air were significantly heavier than those exposed to filtered air. In both rat dams and their offspring, after continuous exposure to unfiltered air we observed pronounced histologic evidence for both perivascular and peribronchial inflammation in the lungs, increased tissue and systemic oxidative stress, dyslipidemia, and an enhanced proinflammatory status of epididymal fat. Results suggest that TLR2/4-dependent inflammatory activation and lipid oxidation in the lung can spill over systemically, leading to metabolic dysfunction and weight gain.-Wei, Y., Zhang, J., Li, Z., Gow, A., Chung, K. F., Hu, M., Sun, Z., Zeng, L., Zhu, T., Jia, G., Li, X., Duarte, M., Tang, X. Chronic exposure to air pollution particles increases the risk of obesity and metabolic syndrome: findings from a natural experiment in Beijing.
Combating the metabolic syndromeâ either as it is commonly understood or through the various components of the syndrome at the population levelâ is complex and requires multisectoral policy approaches. Policy changes should focus on providing balanced nutrition and an enabling environment for improving physical activity. For physicians treating individuals at high risk, aggressive lifestyle modification will remain the mainstay, until such individuals reach thresholds for drug therapy.[111]
Schools offer an ideal medium for lifestyle interventions because the obesogenic lifestyle behaviors are less well developed in children and are therefore amenable to change.[102] Moreover, it is important to identify the adolescents at risk for T2DM and CHD at an early age and use appropriate prevention strategies while the pathological processes are still reversible.[103,104]
The metabolic syndrome is a common metabolic disorder that results from the increasing prevalence of obesity. The disorder is defined in various ways, but in the near future a new definition(s) will be applicable worldwide. The pathophysiology seems to be largely attributable to insulin resistance with excessive flux of fatty acids implicated. A proinflammatory state probably contributes to the syndrome. The increased risk for type 2 diabetes and cardiovascular disease demands therapeutic attention for those at high risk. The fundamental approach is weight reduction and increased physical activity; however, drug treatment could be appropriate for diabetes and cardiovascular disease risk reduction.