Figure 4From: Phorbol esters and CAMP differentially regulate the expression of CD4 and CD8 in human thymocytesEffect of PMA and cAMP on the surface expression of CD3, CD4, and CD8 by human thymocytes. (a) Immunofluorescent staining and (b) CD4 surface expression kinetics. Experimental conditions and detailed time course is respectively indicated.Back to article page