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CXCL5-mediated recruitment of neutrophils into the peritoneal cavity of Gdf15 -deficient mice protects against abdominal sepsis

2020; National Academy of Sciences; Volume: 117; Issue: 22 Linguagem: Inglês

10.1073/pnas.1918508117

1091-6490

Isa Santos, Henrique G. Colaço, Ana Neves‐Costa, Elsa Seixas, Tiago R. Velho, Dora Pedroso, André Barros, Rui Martins, Nuno Carvalho, Didier Payen, Sebastian Weis, Hyon‐Seung Yi, Minho Shong, Luís F. Moita,

Macrophage Migration Inhibitory Factor

Significance Sepsis remains a leading cause of death. New insights into its pathophysiology are likely to be key to the development of effective therapeutic strategies against sepsis. Given the role of GDF15 in metabolism regulation and in cachexia during late stages of cancer, features that also occur in sepsis, elucidation of the possible mechanistic role of GDF15 in sepsis is of great importance. We find that septic patients have very high levels of GDF15 in the peripheral blood, which correlate with clinical outcomes. Using Gdf15 -deficient mice, we show that GDF15 plays a causal role in sepsis by delaying the local control of infection. These findings suggest GDF15 as a potential therapeutic target in sepsis secondary to a bacterial infection.