Omental adipose tissue has been considered an important component of host defense since at least 1906 when it was deemed “the policeman of the abdomen”. The precise mechanisms underlying omental host defense, however, remain elusive. Here, Kellen discusses a recent publication investigating how omental host defense works. The report titled “Stromal cells covering omental fat-associated lymphoid clusters trigger formation of neutrophil aggregates to capture peritoneal contaminants” was written by Lucy Helen Jackson-Jones et al. and published in Immunity April 2020.

Paper: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7156918/

Commentary: https://pubmed.ncbi.nlm.nih.gov/32294403/

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