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Functions of HIV envelope glycans
E Fenouillet1, J C Gluckman, I M Jones
1CNRS URA 1463, Paris, France.
Trends in Biochemical Sciences
|February 1, 1994
Summary
The human immunodeficiency virus envelope glycoprotein (gp160) has many glycans. Altering this glycosylation pattern can impair virus infectivity, offering a potential antiviral therapy target.
Area of Science:
- Virology
- Glycobiology
- Structural Biology
Background:
- The human immunodeficiency virus (HIV) major envelope glycoprotein, gp160, is heavily decorated with N-linked glycans.
- The functional significance of this extensive glycosylation remains a key question in virology and glycobiology.
Purpose of the Study:
- To investigate the role of N-linked glycans in the conformation and infectivity of HIV gp160.
- To explore the potential of manipulating glycosylation patterns as an antiviral strategy.
Main Methods:
- Analysis of gp160 structure and glycosylation.
- Studies on the necessity of N-linked glycans for bioactive conformation.
- Assessment of drug-induced alterations in glycosylation and their effect on virus infectivity.
Main Results:
- N-linked glycans are essential for the proper creation of gp160's bioactive conformation.
- Altering the glycosylation pattern of gp160 through drug intervention can reduce virus infectivity.
- Glycosylation is not required for maintaining the established bioactive conformation.
Conclusions:
- HIV gp160 glycosylation plays a critical role in viral pathogenesis.
- Targeting gp160 glycosylation presents a promising avenue for novel antiviral therapies against HIV.