HeLa Staining (IMAGE) University of Washington Caption These HeLa cells were sequentially stained using antibodies bound to five different cellular proteins. Each staining procedure took 10 minutes with the cyclic solution draining and replenishing method, whereas other methods would need 60 minutes to produce the same level of staining. Credit Xiaohu Gao Usage Restrictions Must include credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.