Protocol for estimating the number of CD38 molecules on the CD8+ T lymphocytes of HIV-infected individuals. Includes: RECOMMENDATION OF VENDOR FOR PE-CD38 AND PE-CD4; VALIDATION OF LOGARITHMIC AMPLIFIER LINEARITY AND SENSITIVITY; CONSERVATION OF THE LEVEL OF CD4 ANTIGEN EXPRESSION ON CD4+
LYMPHOCYTES AND ITS USE AS A BIOLOGIC STANDARD FOR FLOW CYTOMETER INSTRUMENT CHARACTERIZATION; DETERMINATION OF THE NUMBER OF CD38 MOLECULES PER CD8+ CELL; etc..
