Fig. 2From: Observations on the expression of human papillomavirus major capsid protein in HeLa cellsHPV L1 immunocytochemistry assay. a HeLa cells. There were positive reactions which were yellow in cytoplasm and nucleus in HeLa cells detected using anti-HPV L1 monoclonal antibody and the stain in cytoplasm is darker. The reaction shows the existence of HPV L1 in HeLa cells. b HaCat cells. No positive reaction was detected in HaCat cells using anti-HPV L1 monoclonal antibodyBack to article page