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Therefore, PLCG2, which is primarily expressed in immune cells, has become a target of interest for potential therapeutic intervention. The protective allele, known as\n                    <jats:italic>P522R<\/jats:italic>\n                    , has been shown to be hyper-morphic in microglia, increasing phagocytosis of amyloid-beta (A\u03b2), and increasing the release of inflammatory cytokines. However, the effect of this protective mutation on peripheral tissue-resident macrophages, and the extent to which sex modifies this effect, has yet to be assessed. Herein, we show that peripheral macrophages carrying the\n                    <jats:italic>P522R<\/jats:italic>\n                    mutation do indeed show functional differences compared to their wild-type (WT) counterparts, however, these alterations occur in a sex-dependent manner. In macrophages from females, the\n                    <jats:italic>P522R<\/jats:italic>\n                    mutation increases lysosomal protease activity, cytokine secretion, and gene expression associated with cytokine secretion and apoptosis. In contrast, in macrophages from males, the mutation causes decreased phagocytosis and lysosomal protease activity, modest increases in cytokine secretion, and induction of gene expression associated with negative regulation of the immune response. Taken together, these results suggest that the mutation may be conferring different effects dependent on sex and cell type, and highlight the importance of considering sex as a biological variable when assessing the effects of genetic variants and implications for potential immune system-targeted therapies.\n                  <\/jats:p>","DOI":"10.1186\/s12974-024-03271-9","type":"journal-article","created":{"date-parts":[[2024,11,1]],"date-time":"2024-11-01T04:02:28Z","timestamp":1730433748000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Alzheimer\u2019s disease-associated protective variant Plcg2-P522R modulates peripheral macrophage function in a sex-dimorphic manner"],"prefix":"10.1186","volume":"21","author":[{"given":"Hannah A.","family":"Staley","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janna E.","family":"Jernigan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"MacKenzie L.","family":"Bolen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ann M.","family":"Titus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Noelle","family":"Neighbarger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cassandra","family":"Cole","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kelly B.","family":"Menees","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebecca L.","family":"Wallings","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mal\u00fa G\u00e1mez","family":"Tansey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,11,1]]},"reference":[{"issue":"4","key":"3271_CR1","doi-asserted-by":"publisher","first-page":"225","DOI":"10.14283\/jpad.2018.34","volume":"5","author":"O Scheyer","year":"2018","unstructured":"Scheyer O, Rahman A, Hristov H, et al. 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