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Fatima AlAwadh
CD4 Receptor
           HIV



Virus
binds to
CD4
receptor
(CCR5 or
CXCR4)
HIV   RNA




Virus
fuses with
the cell
RNA

Virus
penetrate
cell, content
implied to
the cell

                Nucleus
RT   RNA

Single
strands of
RNA are
converted
into double
strand DNA
by the
enzyme          Nucleus
reverse
transcriptase
RT.
integrase
Viral DNA
is
combined
with the
cell’s DNA
by enzyme
integrase
             Nucleus
RT   RNA

The viral
DNA is
read and
long chain
of
proteins is
made
              Nucleus
Sets of viral
protein
chains come
together,
Immature
virus pushes
out, taking
some cell       T Cell
membrane
with it.
Thank You
  Fatima AlAwadh

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Life cycle and pathogenesis hiv