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    • Publication list2013Hendriks, H., Water, van de W., Schoonen, W., and Vrieling, H. (2013). Cellular signalling pathways unveil the carcinogenic potential of chemicals. Mechanism-based carcinogenicity prediction. Journal of Applied Toxicology (In press).2012Granacin, A., Wolferen, van M.E., Sartorius, C.A., Brenkman, A.B., Schoonen, W.G., and Mol, J.A. (2012). Canid progesterone receptors lack the activation function 3 domain dependent transcription activity. Endocrinology 12, 6104-6113.Lierop, van M.-J.C., Alkema, W., Laskewitz, A.J., Dijkema, R., Maaden, van der H.M., Smit, M.J., Plate, R., Conti, P.G.M., Jans, C.G.J.M., Timmers, C.M., Boeckel, van S.C.A.A., Lusher, S.J., McGuire, R., Schaik, van R.C., Vlieg, de J., Smeets, R.L., Hofstra, C.L., Boots, A.H., Duin, van M., Ingelse, B.A., Schoonen, W.G.E.J., Grefhorst, a., Dijk, T.H., Kuipers, F., and Dokter, W.H.A. (2012). A novel non-steroidal selective glucocorticoid receptor modulator with full anti-inflammatory properties and improved therapeutic index. PLOS ONE 7 (11): e48385Schoonen, W.G.E.J., Stevenson, J.C.R., Westerink, W.M.A., and Horbach, G.J. (2012). Cytotoxic effects of 110 reference compounds on rat H4IIE and human HepG2 hepatocytes. III Mechanistic assays on oxygen TM consumption with MitoXpress and NAD(P)H production with Alamar Blue . Toxicol. In Vitro 26, 511-525.2011Boitier, E., Amberg, A., Barbié, V., Blichenberg, A., Brandenburg, A., Gmuender, H., Gruhler, A., McCarthy, D., Meyer, K., Riefke, B., Raschke, M., Schoonen, W., Sieber, M., Suter, L., Thomas, C., and Sajot, N. (2011). A comparative integrated transcript analysis and functional characterization of differential mechanisms for induction of liver hypertrophy in the rat. Toxicol and Applied Pharmacol. 252:85-96.Elferink, M.G.L., Olinga, P., Leeuwen, van E.M., Bauerschmidt, S., Polman, J., Schoonen, W.G., Heisterkamp, S.H. and Groothuis, G.M.M. (2011). Gene expression analysis of precision cut human liver slices indicate stable expression of ADME-TOX related genes. Toxicology and Applied Pharmacology 253:57-69.Schoonen, W.G.E.J., Westerink, W.M.A., Water, van de F.M., and Horbach, G.J. (2011). High Content Screening for in vitro toxicity testing. Eur. Pharmacol. Rev. 16:50-55.Sonneveld, E., Pieterse B., Schoonen, W.G., and van der Burg, B. (2011). Validation of in vitro screening models for progestagenic activities: Inter-assay comparison and correlation with in vivo activity in rabbits. Toxicol In Vitro 25:545-554.Westerink, W.M.A., Staalduinen, A.A., Polman, J., Horbach, G.J., and Schoonen, W.G.E.J. (2011a). The identification of biomarkers for genotoxicity in HepG2 cells by transcriptomics. (Thesis Westerink).Westerink, W.M.A., Schirris, T.J.J., Horbach, G.J., and Schoonen, W.G.E.J. (2011b). Development and validation of a high content screening in vitro micronucleus assay in CHO-k1 and HepG2 cells and effect of the tumor suppressor p53 gene. Mut. Res. 724:7-21.Water, van de F.M., Havinga, J., Ravesloot, W.T., Horbach, G.J.M.J., and Schoonen, W.G.E.J. (2011). High Content Screening analysis of phospholipidosis: Validation of a 96-well assay for CHO-K1 and HepG2 cells for the prediction of in vivo based phospholipidosis. Toxicol. In Vitro 25, 1870-1882.2010Bovee, T.F.H., Thevis, M., Hamers, A.R.M., Peijnenburg, A.A.C.M., Nielen, M.W.F. and Schoonen, W.G.E.J. (2010). SERMs and SARMs: their (anti)estrogenic and (anti)androgenic activities as determined in biological screening assays with yeast and CHO cells. J. Steroid Biochem. Mol Biol. 118, 85-92.Schoonen, W.G.E.J., Westerink, W.M.A., and G.J. Horbach (2010). Segregation of molecular mechanisms of genotoxicity and carcinogenicity across human, yeast and Salmonella species. Eur Pharm. Rev. 15,45-50.Schoonen, W.G.E.J., Westerink, W.M.A., Horbach, G.J. (2010). Application of Medium and HighThroughput Screening for In Vitro Toxicology in the Pharmaceutical Industry. Alttox Website: http://alttox.org/ttrc/overarching-challenges/way-forward/schoonen-westerink-horbach/.Westerink, W.M.A., Stevenson J.C.R., Horbach G.J. and Schoonen W.G.E.J. (2010). The development of RAD51C, Cystatin A, p53 and Nrf2 luciferase reporter assays in metabolic competent HepG2 cells for the assessment of mechanistic genotoxicity and of oxidative stress in the early research phase. Mutation Research / Genetic Toxicology and Environmental Mutagenesis 696,21-40.
    • 2009Benefenati, E., Benigni, R., DeMerani, D., Helma, C, Kirkland, K., Martin, T.M., Mazzatorta, P., Ouédraogo-Arras, Richard, A., Schilter, B, Schoonen, W.G.E.J., Snyder, R., and Yang, C. (2009). Predictive models for carcinogenicity and mutagenicity: frameworks, state-of-the-art and perspectives. Journal of Environmental Science and Health, Part C 27: 1-34.Schoonen, W.G.E.J., Westerink, W.M.A., and G.J. Horbach (2009a). High-throughput screening for the analysis of in vitro toxicity. Molecular, Clinical and Environmental Toxicology (ed. Andreas Luch). Birkhäuser Publishing, Basel, Switzerland. Volume 1 chp 14, 401-439.Schoonen, W.G.E.J., Westerink, W.M.A., and G.J. Horbach (2009b). In vitro toxicology, als alternatief voor dierproeven, in de farmaceutische industrie. Toxicologische Communicatie, Data enDocumentatie (TCDD), Nieuwsbrief voor de Nederlandse Vereniging van Toxicologie, 1, 22-24.Westerink, W.M.A., Stevenson J.C.R., Lauwens, A., Griffioen G., Horbach G.J. and Schoonen W.G.E.J. (2009a). TM Evaluation of the Vitotox and RadarScreen assays for the rapid assessment of genotoxicity in the early research phase of drug development. Mutation Research / Genetic Toxicology and Environmental Mutagenesis 676, 113-130.2008Bovee, T.F.H., Schoonen, W.G.E.J., Hamers, A.R.M., Bento, M.J. and Peijnenburg, A.A.C.M. (2008). Screening of synthetic and plant-derived compounds for (anti-) estrogenic and (anti-)androgenic activities. Analytical and Bioanalytical Chemistry 390, 1111-1119.Elferink, M.G.L., Olinga, P., Draaisma, A.L., Merema, M.T., Bauerschmidt, S., Polman, J., Schoonen, W.G., and Groothuis, G.M.M. (2008). Microarray analysis in rat liver slices correctly predicts hepatotoxicity as observed in. Toxicology and Applied Pharmacology 229: 300-309.Kloosterboer, H.J., Schoonen, W.G.E.J., and Verheul, H.A.M. (2008). Proliferation of breast cells by steroid hormones and their metabolites. In: Breast cancer prognosis, treatment and prevention. (Ed. J.R. Pasqualini). Academic Press, New York, USA. Chp. 18, 343-386.Schoonen, W.G.E.J., Westerink, W.M.A., and G.J. Horbach (2008). In vitro toxicity screening as pre-selection tool. Eur. Pharm. Rev. 3: 40-44.van den Bout-van den Beukel C.J.P., Hamza O.J.M., Moshi M.J., Matee M.I.N., Mikx F., Burger D.M., Koopmans P.P., Verweij P.E., Schoonen W.G.E.J. and van der Ven A.J.A.M. (2008). Evaluation of cytotoxic, genotoxic and CYP450 competition effects of Tanzanian plant extracts traditionally used for treatment of fungal infections. Basic & Clinical Pharmacology & Toxicology 102, 515-526.Westerink, W.M.A., Stevenson J.C.R., and Schoonen W.G.E.J. (2008). Pharmacologic profiling of human and rat cytochrome P450 1A1 and 1A2 induction and competition. Arch. Toxicol. 82: 909-921.2007Elferink M., Olinga P., Draaisma A., Merema M., Bauerschmidt S., Polman J., Schoonen W., and Groothuis G. (2007). Microarray analysis of hepatotoxicity in vivo and in vitro. Toxicol. Lett. 172S, S77, T13.Kruse, J.J.C.M., Svensson, J.P., Huigsloot M., Water van de B., Vrieling H., Giphart-Gassler, M., Polman, J., Schoonen, W.G.E.J., Horbach, S.J. (2007). A portrait of cisplatin-induced transcriptional changes in mouse embryonic stem cells reveals a dominant p53-like response. Mutation research 617, 58-70.Schoonen W.G.E.J., Smit M.J., Zandberg P., Horbach G.J.M.J., Ploemen J._P.H.T.M., Kloks C.P.A.M., Mellema 1 J.R., Thijssen-van Zuylen C., Vogels J.T.W.E., Tas C.A. and van Nesselrooij J.H.J. (2007a). Sensitivity of H NMR analysis of rat urine in relation to toxicometabonomics. Part I Dose dependent toxic effects of bromobenzene and paracetamol. Tox. Sci. 98, 271-285.Schoonen W.G.E.J., Smit M.J., Zandberg P., Horbach G.J.M.J., Ploemen J._P.H.T.M., Kloks C.P.A.M., Mellema J.R., Thijssen-van Zuylen C., Vogels J.T.W.E., Tas C.A. and van Nesselrooij J.H.J. (2007b). Tox. Sci. Uniform 1 procedure of H NMR analysis of rat urine and toxicometabonomics. Part II Comparison of NMR profiles for classification of hepatotoxicity. Tox. Sci. 98, 286-297.Westerink, W.M.A. and Schoonen, W.G.E.J. (2007a). Cytochrome P450 enzyme levels in HepG2 cells and cryopreserved primary human hepatocytes and their induction in HepG2 cells. Toxicology in vitro 21, 1581-1591.Westerink, W.M.A. and Schoonen, W.G.E.J. (2007b). Phase II enzyme levels in HepG2 cells and cryopreserved primary human hepatocytes and their induction in HepG2 cells. Toxicology in vitro 21, 1592-1602.Westerink WMA, Stevenson JCR, Schoonen WGEJ (2007c) CYP1A induction and species differences between human HepG2 and rat H4IIE cells. Toxicol. Lett. 172S, S98, T63.
    • 2006Schoonen. W., en Horbach J. (2006). In vitro toxicologie als alternatief voor het gebruik van proefdieren. In: Kan het ook anders? Beschouwingen voor alternatieven voor dierproeven. Editors J.Swart, G. Groothuis, J. Horbach en J. van der Valk. Uitgevreij DAMON bv, Budel, Nederland, pagina’s 70-79.Solleveld E., Riteco J.A.C., Jansen H.J., Pieterse, B., Brouwer A., Schoonen W.G., and van der Burg B. (2006). Comparison of in vitro and in vivo screening models for androgenic and estrogenic activities. Tox. Sci. 89, 173-187.2005Schoonen W.G.E.J., Westerink W.M.A., de Roos J.A.D.M. and Débiton E. (2005). Cytotoxic effects of 100 reference compounds on Hep G2 and HeLa cells and of 60 compounds on ECC-1 and CHO cells. I Mechanistic assays on ROS, glutathione depletion and calcein uptake. Toxicology in vitro 19: 505-516.Schoonen W.G.E.J., Westerink W.M.A., de Roos J.A.D.M. and Débiton E. (2005). Cytotoxic effects of 110 reference compounds on HepG2 cells and for 60 compounds on HeLa, ECC-1 and CHO cells. II Mechanistic assays on NAD(P)H, ATP and DNA contents. Toxicology in vitro 19: 491-503.2004Peeters B.W.M.M., Tonnaer J.A.D.M., Groen M.B., Broekkamp C.L.E., van der Voort H.A.A., Schoonen W.G.E.J., Smets R.J.M., Vanderheyden P.M.L., Gebhard R.,. Ruigt G.S.F. (2004). Glucocorticoid receptor antagonists: new tool to investigate disorders characterized by cortisol hypersecretion. The International Journal on the Biology of Stress 7: 233-241.Buijsman R., Garritsen A., Gossen J., Klomp J., Kuil C, van Noort P., van Rijn R., Rovers G., Schoonen W., Sterrenburg J.G., Stock Th., Verdonk G., Visser A., van Boeckel S., Dijkema R., Hermkens P. (2004). Identification of ligands for the orphan nuclear receptor gene. Med. Chem. Res. 13: 210-215.2003Gooyer de M.E.; Deckers G.H.; Schoonen W.G.E.J.; Verheul H.A.M.; Kloosterboer H.J. (2003). Receptor profiling and endocrine interactions of tibolone. Steroids 68: 21-30.2000Casteren, J.I.J., Schoonen, W.G.E.J., and Kloosterboer, H.J. (2000). Development of time-resolved immunofluorometric assays for rat follicle-stimulating hormone and luteinizing hormone and application on sera of cycling rats. Biol. Reprod. 62: 886-894.Deckers, G.H., Schoonen W.G.E.J., and Kloosterboer, H.J. (2000): Influence of the substitution of 11-methylene,  , and/or 18-methyl groups in norethisterone on receptor binding, transactivation assays and biological 15 activities in animals. J. Steroid Biochem. Mol. Biol. 72: 83-92.Schoonen W.G.E.J., Deckers, G., Gooijer, de M.E., Ries de R, and Kloosterboer, H.J. (2000): Hormonal properties of nortehisterone, 7-Methyl-Norethisterone and their derivatives. J. Steroid Biochem. Mol. Biol. 74: 213- 222.Schoonen W.G.E.J., Deckers, G., Gooijer, de M.E., Ries de R, Mathijssen-Mommers, G., Hamersma, H., and Kloosterboer, H.J. (2000): Contraceptive progestins: Various 11-substituents combined with four 17- substituents: 17-ethynyl, five- and six-membered spiromethylene ethers or six-membered spiromethylene lactones. J. Steroid Biochem. Mol. Biol. 74: 109-123.Kloosterboer, H.J., Deckers, G.H., Schoonen, W.G.E.J., Hanssen, R.G.J.M., Rose, U.M., Verbost, P.M., Hsiu, J.G., Williams, R.F., and Hodgen, G.D. (2000). Preclinical experience with two selective progesterone receptor modulators on breast and endometrium. Steroids 65: 733-740.1999Schoonen W.G.E.J., Vermeulen, G.J., Deckers, G.H., Verbost, P.M. and Kloosterboer, H.J. (1999): Antiprogestins: mechanism of action and in vitro and in vivo selection. Current Topics in Steroid Research 2: 15-54.1998Dijkema R., Schoonen W.G.E.J., Teuwen R., Struik van der E., Ries de R.J.H., Kar, S.A.T. and Olijve W. (1998): Human progesterone receptor A and B isoforms in CHO cells I Stable transfection of receptor and receptor-responsive reporter genes: transcription modulation by (anti)progestagens. J Steroid Biochem. Molec. Biol. 64: 140-156.
    • Schoonen W.G.E.J., Dijkema R., Ries de R.J.H., Wagenaars, J.L., Joosten, J.W.H., de Gooyer, M.E., Deckers, G.H. and Kloosterboer, H.J. (1998): Human progesterone receptor A and B isoforms in CHO cells II Comparison of binding, transactivation and ED50 values of several synthetic (anti)progestagens in vitro in CHO and MCF-7 cells and in vivo in rabbits and rats. J Steroid Biochem. Molec. Biol. 64: 157-170Schoonen W.G.E.J., Ries de R.J.H., Joosten, J.W.H., Mathijssen-Mommers and Kloosterboer, H.J. (1998): Development of a high throughput in vitro bioassay for the assessment of potencies of steroids for the progesterone receptor with a luciferase reporter system in CHO cells. Anal. Biochem. 261: 222-224.1997Hakola K., Van der Boogaart P., Mulders J., de Leeuw R., Schoonen W., Heyst J.v., Swolfs A., Van Casteren J., Huhtaniemi I., Kloosterboer H. (1997): Recombinant rat follicle-stimulating hormone; production by Chinese hamster ovary cells, purification and functional characterization. Molecular & Cellular Endocrinology 127:59-69.Hakola K., Boogaart P.v.d., Mulders J., Leeuw R. de, Schoonen W., Heyst J.v., Swolfs A., Casteren J.v., Huhtaniemi I., Kloosterboer H.J. (1997): Recombinant rat luteinizing hormone; production by Chinese hamster ovary cells, purification and functional characterization. Molecular & Cellular Endocrinology 127: 47-56.Gebhard R., Vandervoort, H., Schuts, W., and Schoonen, W. (1997): 11,21-bisphenyl-19-norpregnane derivatives are selective antiglucocorticoids. Bioorganic & Medicinal Chemistry Letters 7: 2229-2234.1996Rijks L.J., Boer G.J., Endert E., Bruin K. de, Bos J.C. van den, Doremalen P.A. van, Schoonen W.G., Janssen T.G. 123 and Royen E.A. van (1996): The stereoisomers of 17-[ l] iodovinylestradiol and its 11ß-methoxy derivative evaluated for their estrogen receptor binding in human MCF-7 cells and rat uterus, and distribution in immature rats. Eur J Nucl Med (1996) 23:295-3071995Kloosterboer H.J., Deckers G.H., Gooyer M.E. de, Dijkema R., Orlemans E.O.M., Schoonen W.G.E.J. (1995): Pharmacological properties of a new selective antiprogestagen: Org 33628. Annals New York Academy of Sciences, vol 761: 192-201.Schoonen W.G.E.J., Joosten J.W.H. and Kloosterboer H.J. (1995): Effects of two classes of progestagens, pregnane and 19-nortestosterone derivatives, on cell growth of human breast tumor cells. I MCF-7 cell lines. J. Steroid. Biochem. Molec. Biol. 55:423-437.Schoonen W.G.E.J., Joosten J.W.H. and Kloosterboer H.J. (1995): Effects of two classes of progestagens, pregnane and 19-nortestosterone derivatives, on cell growth of human breast tumor cells. II T47D cell lines. J. Steroid. Biochem. Molec. Biol. 55: 439-444.1994Kloosterboer H.J., Deckers G. and Schoonen W. (1994): Pharmacology of two new very selective anti- progrestagens: Org 31710 and Org 31806. Human Reproduction Volume 9, Suppl. 1, 47-52.Kloosterboer H.J., Schoonen W.G.E.J., Deckers G.H. and Klijn J.G.M. (1994): Effects of progestagens and Org OD14 in in vitro and in vivo tumor models. J. Steroid Biochem. Molec. Biol. 49, 311-318.1992Pruijn F.B., Schoonen, W.G.E.J., Joenje, H. (1992). Inactivation of mitochondrial metabolism by hyperoxia- induced oxidative stress. Ann. New york Acad. Sci. 663, 453-455.Slootweg M.C., Ederveen A.G.H., Schot L.P.C., Schoonen W.G.E.J. and Kloosterboer H.J. (1992): Estrogen and progestagen synergistically stimulate osteoblast proliferation. J. Endocrinol. 133, R5-8.Slootweg M.C., Ederveen A.G.H., Schot L.P.C., Schoonen W.G.E.J. and Kloosterboer H.J. (1992): Estrogen and progestagen synergistically stimulate osteoblast proliferation. Obst Gyn Survey 47, 803.1991Schoonen, W.G.E.J., Wanamarta, A.H., Van der Klei-van Moorsel, J.M., Jacobs, C. and Joenje, H. (1991). Characterisation of oxygen-resistant Chinese hamster ovary cells. III. Relative resistance of succinate and -ketoglutarate dehydrogenases to hyperoxic inactivation. Free Rad. Biol. Med. 10, 111-118.
    • 1990Joenje, H., Gille, J.J.P., Pasman, P., and Schoonen (1990). Oxygen poisoning as a model for accelerated cellular aging. In: From gene to man. Gerontological research in The Netherlands. Eds. C.F.A. van Bezooijen, R. Ravid and A.A.J. Verhofstad. pp 44-51. J.H. Pasmans Offsetdrukkerij B.V., ‘s-Gravenhage.Schoonen, W.G.E.J., Wanamarta, A.H., Van der Klei-van Moorsel, J.M., Jacobs, C. and Joenje, H. (1990). Respiratory failure and stimulation of glycolysis in Chinese hamster ovary cells exposed to normobaric hyperoxia. J. Biol. Chem. 265, 11118-11124.Schoonen, W.G.E.J., Wanamarta, A.H., Van der Klei-van Moorsel, J.M., Jacobs, C. and Joenje, H. (1990). Hyperoxia-induced clonogenic killing of HeLa cells associated with respiratory failure and selective inactivation of Krebs cycle enzymes. Mutation Research 237, 173-181.1989Borg, B., Schoonen, W.G.E.J. and Lambert, J.G.D. (1989). Steroid metabolism in the testes of the breeding and non-breeding three-spined stickleback, Gasterosteus aculeatus. Gen. Comp. Endocrinol. 73, 40-45.Keizer, H., Schuurhuis, G.J., Broxterman, H., Lankelma, J., Schoonen, W.G.E.J. and Joenje, H. (1989). Correlation of multidrug resistance with decreased drug accumulation, altered subcellular drug distribution, and increased P-glycoprotein expression in cultured SW-1573 human lung tumor cells. Cancer Res. 49, 2988- 2993.Resink, J.W., Schoonen, W.G.E.J., Albers, P.C.H., Filé, D.M., Notenboom, C.D., Van den Hurk, R., and van oordt, P.G.W.J. (1989). The chemical nature of sex attracting pheromones from the seminal vesicle of the African catfish, Clarias gariepinus. Aquaculture, 83, 137-151.Schoonen, W.G.E.J., Granneman, J.C.M. and Lambert, J.G.D. (1989). Steroids and steroid glucuronides in the ovarian fluid of the African catfish Clarias gariepinus between ovulation and oviposition. Fish Physiol. Biochem. 6, 91-112.Schoonen, W.G.E.J., Lambert, J.G.D., Penders, M.T., Van Roosmalen, M.E., Van den Hurk, R., Goos, H.J.Th. and Van Oordt, P.G.W.J. (1989). Steroidogenesis during induced oocyte maturation and ovulation in the African catfish, Clarias gariepinus. Fish Physiol. Biochem. 6, 61-78.Van Dam, G.H., Schoonen, W.G.E.J., Lambert, J.G.D. and Van Oordt, P.G.W.J. (1989). Plasma profiles of fourteen ovarian steroids before, during and after ovulation in African catfish, Clarias gariepinus, determined by gas chromatography and mass spectrometry. Fish Physiol. Biochem. 6, 79-89.Wanamarta, A.H., Schoonen, W.G.E.J., and Joenje H. (1989). Hyperoxia-induced disturbance of energy metabolism in HeLa cells due to inactivation of mitochondrial enzymes. Symposium on: Free radicals and cancer. 8-9 december 1989 (poster), Tübingen, Germany.1988Schoonen, W.G.E.J., Lambert, J.G.D. and Van Oordt, P.G.W.J. (1988). Quantitative analysis of steroids and steroid glucuronides in seminal vesicle fluid of feral spawning and feral and cultivated non-spawning African catfish, Clarias gariepinus. Gen. Comp. Endocrinol. 70, 91-100.Schoonen, W.G.E.J., Penders, M.T., Van Dam, G.H. and Lambert, J.G.D. (1988). 5ß-Pregnane-3,6,17,20ß- tetrol and 5ß-pregnane-3,6,17-triol-20-one: steroids of ovarian origin in the African catfish, Clarias gariepinus, during oocyte maturation. Gen. Comp. Endocrinol. 69, 181-188.1987Ali, S.A., Schoonen, W.G.E.J., Lambert, J.G.D., Van den Hurk, R. and Van Oordt, P.G.W.J. (1987). The skin of the male African catfish, Clarias gariepinus, a source of steroid glucuronides. Gen. Comp. Endocrinol. 66, 415- 424.Borg, B., Timmers, R.J.M., Schoonen, W.G.E.J., Lambert, J.G.D. and Van Oordt, P.G.W.J. (1987). Testes and brain steroid metabolism in the three-spined stickleback, Gasterosteus aculeatus. Gen. Comp. Endocrinol. 66, 41.Penders, M.T., Schoonen, W.G.E.J. and Lambert, J.G.D. (1987). Steroidogenesis in the ovary of the African catfish, Clarias gariepinus, before, during and after an induced ovulation. Neth. J. Zool. 37, 442-443.Resink, J.W., Schoonen, W.G.E.J., Van den Hurk, R., Viveen, W.J.A.R. and Lambert, J.G.D. (1987). Seasonal changes in steroid metabolism in the male reproductive organ-system of the African catfish, Clarias gariepinus. Aquaculture, 63, 59-76.Schoonen, W.G.E.J., Granneman, J.C.M., Lambert, J.G.D. and Van Oordt, P.G.W.J. (1987). Steroidogenesis in the testes and seminal vesicles of spawning and non-spawning African catfish, Clarias gariepinus. Aquaculture 63, 77-88.
    • Schoonen, W.G.E.J., Granneman, J.C.M., Lambert, J.G.D., Viveen, W.J.A.R. and Van Oordt, P.G.W.J. (1987). A quantitative study of steroid bioconversion in the seminal vesicles of the African catfish Clarias gariepinus (Burchell), under natural spawning and non-spawning conditions and under fish farm conditions. Comp. Biochem. Physiol. 87B, 687-695.Schoonen, W.G.E.J. and Lambert, J.G.D. (1987). GC-MS analysis of steroids and steroid glucuronides in the seminal vesicle fluid of the African catfish, Clarias gariepinus. Gen. Comp. Endocrinol. 68, 375-386.Schoonen, W.G.E.J., Lambert, J.G.D., Penders, M.T., Van Roosmalen, M.W., Van den Hurk, R., De Leeuw, R. and Van Oordt, P.G.W.J. (1987). Effect of pimozide-LHRHa injection on steroidogenesis in the ovaria of the African catfish, Clarias gariepinus. Gen. Comp. Endocrinol. 66, 21.Schoonen, W.G.E.J., Lambert, J.G.D., Resink, J.W., Viveen, W.J.A.R. and Van Oordt, P.G.W.J. (1987). A quantitative study of steroid bioconversions in the testes of the African catfish, Clarias gariepinus (Burchell), under natural spawning and natural and cultivated non-spawning conditions. J. Endocr. 112, 323-332.Schoonen, W.G.E.J., Van Bennekum, A.M., Lambert, J.G.D., Viveen, W.J.A.R. and Van Oordt, P.G.W.J. (1987). Steroidogenesis in pre- and postspawned ovaries of feral African catfish, Clarias gariepinus. Aquaculture, 63, 129-142.Schoonen, W.G.E.J. (1987). Analysis of steroid synthesis in the reproductive organs of the African catfish, Clarias Gariepinus. A basis for the study of sex pheromones. Ph. D. Thesis, Tessel Offset, Utrecht, The Netherlands.Van den Hurk, R., Schoonen, W.G.E.J., Van Zoelen, G.A. and Lambert, J.G.D. (1987). The biosynthesis of steroid glucuronides in the testis of zebrafish, Brachydanio rerio, and their pheromonal function as ovulation inducers. Gen. Comp. Endocrinol. 68, 179-188.Van den Hurk, R., Van Zoelen, G.A., Schoonen, W.G.E.J., Resink, J.W., Lambert, J.G.D. and Van Oordt, P.G.W.J. (1987). The testicular steroid glucuronides of zebrafish, Brachydanio rerio, evoke ovulation in female conspecifics. Gen. Comp. Endocrinol. 66, 19.Van Zoelen, G.A., Van den Hurk, R., Schoonen, W.G.E.J., Lambert, J.G.D. and Van Oordt, P.G.W.J. (1987). Production of steroid glucuronides in the testis of the zebra fish, Brachydanio rerio, and their pheromonal role as ovulation inducers. Neth. J. Zool. 37, 435-436.1986Eisses, K.Th., Schoonen, W.G.E.J., Scharloo, W., and Thörig, G.E.W. (1986). Difference in ethanol oxidation by alcohol dehydrogenase of Drosophila simulans and Drosophila melanogaster. In: Interaction of Notch mutants and alcohol dehydrogenase alleles in Drosophila melanogaster. K.Th. Eisses, Ph.D. Thesis. pp75- 84. Tessel Offset, Utrecht, The Netherlands.Lambert, J.G.D., Van den Hurk, R., Schoonen, W.G.E.J., Resink, J.W. and Van Oordt, P.G.W.J. (1986). Gonadal steroidogenesis and the possible role of steroid glucuronides as sex pheromones in two species of teleosts. Fish Physiol. Biochem. 2, 101-107.Schoonen, W.G.E.J. and Lambert, J.G.D. (1986). Steroid metabolism in the testes of the African catfish, Clarias gariepinus (Burchell), during spawning season, under natural conditions and kept in ponds. Gen. Comp. Endocrinol. 61, 40-52.Schoonen, W.G.E.J. and Lambert, J.G.D. (1986) Steroid metabolism in the seminal vesicles of the African catfish, Clarias gariepinus (Burchell), during spawning season, under natural conditions and kept in ponds. Gen. Comp. Endocrinol. 61, 355-367.1985Eisses, K.Th., Schoonen, W.G.E.J., Scharloo, W. and Thörig, G.E.W. (1985). Evidence for a multiple function of the alcohol dehydrogenase allozyme ADH71K of Drosophila melanogaster. Comp. Biochem. Physiol. 82B, 863-868.Eisses, K.Th., Schoonen, W.G.E.J., Aben, W., Scharloo, W. and Thörig, G.E.W. (1985). Dual Function of the alcohol dehydrogenase of Drosophila melanogaster: ethanol and acetaldehyde oxidation by two allozymes ADH71K and ADHF. Mol. Gen. Genet.199, 76-81.1983Heinstra, P.W.H., Eisses, K.Th., Schoonen, W.G.E.J., Aben, W., De Winter, A.J., Van der Horst, D.J., Van Marrewijk, W.J.A., Beenakkers, A.M.Th., Scharloo, W. and Thörig, G.E.W. (1983). A dual function of alcohol dehydrogenase in Drosophila. Genetics 60, 129-137.
    • Oudejans, R.C.H.M., Schoonen, W.G.E.J. and Voogt, P.A. (1983). Production of NADPH and acetyl CoA for lipid biosynthesis in the pyloric caeca of the sea star, Asterias rubens. Comp. Biochem. Physiol. 74B, 351-355.Schoonen, W.G.E.J. (1983). Production of NADPH for de novo lipid synthesis in pyloric caeca and ovaries of the sea star Asterias rubens. Neth. J. Zool. 33, 348-349.