IL-1β Stimulates Brain-Derived Neurotrophic Factor Production in Eutopic Endometriosis Stromal Cell Cultures: A Model for Cytokine Regulation of Neuroangiogenesis

Yu J, Jie Yu, Antônio M C Francisco, A.M.C. Francisco, Patel BG, Bansari G. Patel, J. Mark Cline, Eric Zou, Zou E, Sarah L. Berga, Robert N. Taylor
The American Journal of Pathology · 2018 · vol. 188(10) , pp. 2281–2292 · doi:10.1016/j.ajpath.2018.06.011 · PMID:30031725 · PMC6169127 · W2884156841
Lab / animal OA: bronze CC0 ⤵ 47 in-corpus citations
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Interleukin-1 beta stimulates the production of brain-derived neurotrophic factor within stromal cell cultures derived from eutopic endometriosis tissue.

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Abstract

Endometriosis implants are comprised of glandular and stromal elements, macrophages, nerves, and blood vessels and are commonly accompanied by pelvic pain. We propose that activated macrophages are recruited to and infiltrate nascent lesions, where they secrete proinflammatory cytokines, promoting the production of chemokines, neurotrophins, and angiogenic growth factors that sustain an inflammatory microenvironment. Immunohistochemical evaluation of endometriosis lesions reveals in situ colocalization of concentrated macrophages, brain-derived neurotrophic factor (BDNF), and nerve fibers. These observations were coupled with biochemical analyses of primary eutopic endometriosis stromal cell (EESC) cultures, which allowed defining potential pathways leading to the neuroangiogenic phenotype of these lesions. Our findings indicate that IL-1β potently (EC50 = 7 ± 2 ng/mL) stimulates production of EESC BDNF at the mRNA and protein levels in an IL-1 receptor-dependent fashion. Selective kinase inhibitors demonstrate that this IL-1β effect is mediated by c-Jun N-terminal kinase (JNK), NF-κB, and mechanistic target of rapamycin signal transduction pathways. IL-1β regulation of regulated on activation normal T cell expressed and secreted (RANTES), a prominent EESC chemokine, also relies on JNK and NF-κB. An important clinical implication of the study is that interference with BDNF and RANTES production, by selectively targeting the JNK and NF-κB cascades, may offer a tractable therapeutic strategy to mitigate the pain and inflammation associated with endometriosis.

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Condition tags

endometriosis

MeSH descriptors

Brain-Derived Neurotrophic Factor Cytokines Endometriosis Interleukin-1beta Adult Adult Brain-Derived Neurotrophic Factor Brain-Derived Neurotrophic Factor Cells, Cultured Cells, Cultured Chemokine CCL5 Chemokine CCL5 Chemokine CCL5 Cytokines Cytokines Endometriosis Endometriosis Female Female Humans

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Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

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