infection of human fibroblasts and hep-2 cells with herpes simplex virus type 1 ( hsv-1 ) produced a decrease in the intracellular levels of cyclic adenosine 5'- monophosphate ( camp ) and a concomitant increase in the cyclic guanosine 5'- monophosphate ( cgmp ) levels .
C0016030
fibroblasts
C0007634
cells