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Does the HIV envelope induce a chronic graft-versus-host-like disease?
J Habeshaw1, E Hounsell, A Dalgleish
1London Hospital Medical School, UK.
Immunology Today
|June 1, 1992
Summary
Human immunodeficiency virus (HIV) envelope glycoproteins may trigger disease by mimicking MHC molecules, activating immune cells. This mechanism could explain similarities between AIDS and chronic graft-versus-host disease (GVHD).
Area of Science:
- Immunology
- Virology
- Genetics
Background:
- Susceptibility to disease after HIV infection shows genetic restriction.
- Immune response activation is crucial in HIV disease progression.
Purpose of the Study:
- To propose a mechanism by which HIV envelope glycoproteins contribute to disease progression.
- To explore the potential role of molecular mimicry in HIV pathogenesis.
Main Methods:
- The study proposes a theoretical model based on existing evidence.
- Analysis of the structural and functional similarities between HIV envelope glycoproteins and MHC molecules.
Main Results:
- HIV envelope glycoproteins may mimic foreign Major Histocompatibility Complex (MHC) molecules.
- This mimicry could stimulate alloreactive lymphocytes, contributing to immune activation.
Conclusions:
- The proposed mechanism offers a potential explanation for the clinical and immunological parallels between Acquired Immunodeficiency Syndrome (AIDS) and chronic graft-versus-host disease (GVHD).
- This hypothesis warrants further investigation into the role of immune activation in HIV pathogenesis.