Related Experiment Video
Updated: Aug 9, 2026

Stem-cell Based Engineered Immunity Against HIV Infection in the Humanized Mouse Model
Published on: July 2, 2016
CD4-targeted immune intervention: a strategy for the therapy of AIDS and autoimmune disease
C Auffray1, D Piatier-Tonneau, G Kroemer
1Institut d'Embryologie du CNRS Collège de France, Nogent-sur-Marne.
Insights
The CD4 antigen is crucial for T lymphocyte responses and serves as the main receptor for HIV. Understanding CD4
Area of Science:
- Immunology
- Virology
- Cell Biology
Background:
- CD4 is a cell-surface glycoprotein vital for T lymphocyte function.
- It acts as the primary receptor for the Human Immunodeficiency Virus (HIV).
- CD4's role in immune responses and HIV infection is extensively studied.
Purpose of the Study:
- To explore the multifaceted functions of CD4 in physiological and pathological contexts.
- To highlight the therapeutic potential of targeting CD4 for immune modulation.
- To inform the development of novel CD4-targeted immune therapies.
Main Methods:
- Review of existing literature on CD4 cell biology and immunology.
- Analysis of CD4's role in T cell receptor signaling pathways.
- Examination of CD4's interaction with HIV and other pathogens.
Main Results:
- CD4 is essential for the MHC class II-restricted T cell response.
- CD4 facilitates HIV entry into host cells.
- Elucidation of CD4's function provides a basis for therapeutic interventions.
Conclusions:
- Targeting CD4 offers promising strategies for immune therapy.
- Therapeutic approaches include blocking CD4 function, delivering immunosuppressive signals, or depleting CD4+ cells.
- Further research into CD4 biology can lead to advanced treatments for immune disorders and HIV.
Abstract:
The cell-surface antigen CD4 plays a pivotal role in the class II MHC-restricted response of specific T lymphocytes, and serves as the major receptor of human immunodeficiency virus (HIV). The recent elucidation of CD4 function in physiological and pathological conditions has improved prospects for CD4-targeted immune therapy by facilitating the design of therapeutic strategies aimed at blocking CD4 function, delivering immunosuppressive signals via this receptor molecule, or selectively depleting CD4+ cells.
Related Concept Videos
Immunodeficiency Diseases
There are three main causes of immunodeficiency disorders...
Tumor Immunotherapy
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents

