Mouse heart fibroblasts
Fluorescent micrograph of mouse fetal heart fibroblasts. Red is the muscle protein actin and blue is the cell nuclei. This image was taken as part of a CIRM-funded project investigating stem cell-based approaches to repairing damage after a heart attack.
The image was taken by Jesus Isaac Luna in the laboratory of Kara McCloskey at the University of California, Merced.
Learn more about CIRM-funded stem cell research: www.cirm.ca.gov.