1351-GABA Inhibition of TLS in Cancer Immunotherapy

Research investigates why certain tumors fail to respond to immunotherapy despite the presence of protective tertiary lymphoid structures. The study identifies that cancer cells can produce GABA, a chemical that acts as an immunosuppressant to disable nearby immune cells. High levels of this substance lead to dysfunctional B cells and reduced antibody production, creating an environment where the cancer can thrive. By inhibiting GABA in combination with standard treatments, researchers found they could restore immune function and significantly slow tumor growth. These findings suggest that the metabolic activity of neighboring cancer cells directly dictates whether the immune system can successfully fight the disease. This discovery offers a promising new strategy for improving clinical outcomes in patients who previously resisted traditional therapies.References:Salgia N J, Muhitch J B. Your neighbors matter: Adjacent cancer cells dampen TLS function[J]. Cancer Cell, 2026.前往小宇宙评论区与主播互动