Xiaochun Yu, MD, PhD
Lili Yang, PhD

$500,000 SENIOR INVESTIGATOR GRANT

Research Title: Targeting Monoamine Oxidase A to Expand Cancer Immune Checkpoint Blockade Therapy

University of California, Los Angeles

Immune checkpoint blockade (ICB) therapies have revolutionized the treatment of many cancers; however, the existing ICB therapies can only benefit a small fraction of cancer patients, demanding an expansion of ICB therapies. Monoamine oxidase A (MAO-A) is an enzyme best known for its function in the brain; small molecule MAO inhibitors (MOIs) have been developed and are clinically used for treating depression. This proposal aims to study MAO-A regulation of antitumor immunity and evaluate MAO-A blockade for cancer immunotherapy. The project has the potential to identify MAO-A as a new immune checkpoint and support repurposing MAOI antidepressants for cancer immunotherapy.

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