CD4 - Wikipedia
In molecular biology, CD4 (cluster of differentiation 4) is a glycoprotein that serves as a co-receptor for the T-cell receptor (TCR). CD4 is found on the surface of immune cells such as helper T cells, …
CD4 Cell Count (T-Cell Test): Results & Normal Range
Apr 15, 2025 · A CD4 count tells a provider how many T-cells are in a small amount of blood. Providers use the results to stage HIV infections and monitor antiretroviral therapy.
CD4 Count, HIV, and AIDS: Test and Results and What They Mean
Nov 11, 2024 · The CD4 count is a test that measures how strong your immune system is. Find out how it helps your doctor make HIV and AIDS treatment decisions.
CD4 Count: Normal Range, vs. Viral Load, and What it Means for People
Jul 18, 2013 · For people with HIV, CD4 count and viral load are important indicators of health status. Learn what they measure and how they affect HIV treatment plans.
Understanding Absolute CD4 Count and CD4 Percentage - Verywell …
May 29, 2025 · CD4 T-cells are T-lymphocytes that have molecules called CD4 on their surface. They start the immune response by signaling other defensive immune cells to infectious pathogens such …
CD4 Lymphocyte Count: MedlinePlus Medical Test
CD4 cells are a type of white blood cell that circulates throughout the body in the blood. They're also called CD4 T lymphocytes or "helper T cells." That's because they help fight infection by triggering …
1. 9 Interpreting CD4 results: CD4 count and CD4 percentage
A CD4 count above 500 is considered “normal”. In high-income countries, a CD4 count below 350 is defined as late diagnosis or advanced HIV. It shows HIV has damaged your immune system. In high …
Understanding CD4 T-Cell Count: Test, Range, and Importance
Learn about CD4 T-cell count, its role in immune health, normal ranges, and its significance in HIV monitoring. Understand CD4 count tests, low CD4 symptoms, and treatment insights.
CD4 Count - StatPearls - NCBI Bookshelf
May 1, 2023 · CD4 T cells are human helper T cells that express cluster determinant 4 (CD4) molecules. The CD4 molecule is a member of the immunoglobulin family and primarily mediates adhesion to …
CD4-CD8 Ratio - University of Rochester Medical Center
This test looks at the ratio of CD4 cells to CD8 cells. The ratio tells your health care provider how strong your immune system is and helps predict how likely you are to develop an infection.