Figure 1From: CD26/dipeptidyl peptidase IV (CD26/DPPIV) is highly expressed in peripheral blood of HIV-1 exposed uninfected Female sex workersPlasma concentrations of Dipeptidyl peptidase IV enzyme among HIV resistant (HIV-R.) HIV positive (HIV+.) and HIV negative (HIV neg.) controls (n = 100, each).ELISA ( R&D Systems, Minneapolis MN ), was done in duplicate: dilution factor 1:1000.Back to article page