Salk Institute -- Fibroblast Marker (image) Salk Institute Share Print E-Mail Caption A human fibroblast cell line was derived from a skin biopsy. To confirm cell identity, staining was performed for a fibroblast marker (SERPINH1, magenta), nuclear pore complexes (Nup153, yellow) and DNA (DAPI, blue). Credit Roberta Schulte/Swati Tyagi/Salk Institute. Usage Restrictions with credit and related coverage. Share Print E-Mail 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.