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Science in Focus: Rebuilding the Salivary Gland After Radiation

UCSF researchers are working to figure out how mouse stem cells divide and differentiate into acinar cells to rebuild the salivary gland after an injury. Such research could apply to patients who often lose the ability to produce saliva after undergoing radiation therapy for head and neck cancers.

Cultural Differences May Leave Their Mark on DNA

A UC San Francisco-led study has identified signatures of ethnicity in the genome that appear to reflect an ethnic group’s shared culture and environment, rather than its common genetic ancestry.

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Science in Focus: Using Light to Make Single Cells Self-Destruct

Researchers at UCSF have developed a new optogenetic tool that can be used to completely eliminate single cells from brain networks in animals. The researchers believe the new tool will enable exquisitely precise experiments to help researchers understand how each cell contributes to the whole.