Blocking a protein called CD44 has been shown to protect against obesity in mice on a high-fat diet, specifically by suppressing the formation of white fat cells.

Researchers investigating the role of the protein CD44 in obesity and metabolic health found that CD44-deficient mice stayed lean even on a high-fat diet, while the control mice developed obesity.

The decrease in CD4 cells during HIV infection seems to be driven by immune activation, which does not always correlate with viral load. Experienced clinicians are all too familiar with the ...

It’s important for all people with HIV to have regular blood tests. The two most important blood tests are for CD4 and viral load. CD4 and viral load test results give essential information about the ...

Most HIV-negative adults have between 500 and 1500 CD4 cells in a cubic millimeter of blood. However, due to natural variation some people may have a CD4 count slightly outside the general range. It ...