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The intestinal microbiome influences checkpoint blockade

Studies in metastatic melanoma, non-small-cell lung carcinoma and renal cell carcinoma indicate certain bacteria within the gut microbiota enhance clinical responses to checkpoint blockade.

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Figure 1: Colon microbiota may contribute to checkpoint-blockade response or nonresponse in patients with melanoma or epithelial cancers.

Marina Corral Spence/Springer Nature


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Correspondence to Cynthia L Sears.

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Competing interests

D.M.P. receives funding from Bristol–Myers Squibb and the Melanoma Research Alliance for immunotherapy research and consults for a number of companies with interests in immunotherapy, namely Compugen, GlaxoSmithKline, Medimmune/AstraZeneca, Merck, Potenza Therapeutics, Sanofi, Tizona, DNatrix, Amgen, Rock Springs Capital, Immunomic Therapeutics, Janssen, WindMil Therapeutics and Bayer. D.M.P. and C.L.S. are both supported by the Bloomberg-Kimmel Institute for Immunotherapy.

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Sears, C., Pardoll, D. The intestinal microbiome influences checkpoint blockade. Nat Med 24, 254–255 (2018).

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