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Updated: Jul 8, 2026

Isolation of Exosomes from the Plasma of HIV-1 Positive Individuals
Published on: January 5, 2016
[Correlation between immunological markers and clinical course of HIV infection]
Insights
Human immunodeficiency virus (HIV) infection damages CD4+ T cells, leading to immunodeficiency. Laboratory markers can predict disease progression and improve clinical management of HIV/AIDS.
Area of Science:
- Immunology
- Virology
- Pathogenesis
Context:
- Human immunodeficiency virus (HIV) infects CD4+ T cells, critical for immune regulation.
- This interaction initiates HIV pathogenesis, leading to severe immunodeficiency.
- Monitoring CD4+ T cell count and function is vital in HIV infection.
Purpose:
- To explore the relationship between laboratory markers and the clinical course of HIV infection.
- To identify predictors for disease progression towards acquired immunodeficiency syndrome (AIDS).
- To highlight the utility of these markers in managing HIV-infected individuals.
Summary:
- HIV interaction with CD4 molecules is central to pathogenesis.
- Decreased CD4+ T cells cause immunodeficiency.
- Laboratory markers, categorized into viral production, immune response, immune activation, and immune damage, correlate with clinical outcomes.
- These markers aid in predicting HIV progression to AIDS.
Impact:
- Predicting HIV infection progression using laboratory markers can enhance clinical management.
- Understanding these markers allows for timely interventions and improved patient outcomes.
- This approach supports personalized medicine strategies in HIV care.
Abstract:
The interaction of human immunodeficiency virus (HIV) with CD4 molecule, which is expressed on various human cells is the crtical event in the pathogenesis of HIV infection. Decreased number and functional anergy of CD4+ T cells, which are the most important immunoregulatory cells, cause severe immunodeficiency. Having in mind that there is a significant correlation between clinical course of HIV infection and laboratory markers it is possible to predict progression of HIV infection toward acquired immunodeficiency syndrome (AIDS). These markers can be divided into four categories: (1) measures of viral production; (2) the specific immune response to HIV; (3) nonspecific immune system activation; (4) measurements of immune system damage. In addition, the use of these predictors can improve clinical management of HIV-infected individuals.

