UCLA CTSI is an academic-community partnership to accelerate scientific discoveries and clinical breakthroughs to improve health and health care in Los Angeles, the most populous county, and among the most diverse, in the United States. Its mission is to create a borderless clinical and translational research institute that brings UCLA resources and innovations to bear on the greatest health needs of Los Angeles. It is one of 62 CTSAs supported by the National Center for Advancing Translational Sciences (NCATS) at NIH.