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Immunology ch12

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Question:

How does HIV infect cells and replicate inside infected cells?

Author: Shay 1vcc



Answer:

• Virus bind to CD4 T cells via viral coat proteins (gp120 and gp41) • Viral receptor on T cells includes CD4 receptor and chemokine receptors • Once inside cell, viral enzymes activate and begin the viral reproductive cycle • Viral RNA is reverse-transcribed into DNA by reverse transcriptase • Viral DNA integrates into host DNA by enzyme integrase • Integrated viral DNA can remain latent for years • Viral LTRs and host cytokines trigger viral replication • viral particles are assembled following full-length viral RNA and proteins are made • Viral particles are released following destruction of host CD4 T cells


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• Virus bind to CD4 T cells via viral coat proteins (gp120 and gp41)
• Viral receptor on T cells includes CD4 receptor and chemokine receptors
• Once inside cell, viral enzymes activate and begin the viral reproductive cycle
• Viral RNA is reverse-transcribed into DNA by reverse transcriptase
• Viral DNA integrates into host DNA by enzyme integrase
• Integrated viral DNA can remain latent for years
• Viral LTRs and host cytokines trigger viral replication
• viral particles are assembled following full-length viral RNA and proteins are made
• Viral particles are released following destruction of host CD4 T cells
1 answer(s) in total

Author

Shay 1vcc
Shay 1vcc