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Journal Article
Research Support, Non-U.S. Gov't
Alpha-7 nicotinic acetylcholine receptor (nAChR) agonist inhibits the development of endometriosis by regulating inflammation.
American Journal of Reproductive Immunology : AJRI 2016 December
OBJECTIVE: We investigated α-7 nAchR expression in human peritoneal macrophages and examined whether activation of nAchR might be a new therapy for endometriosis.
MATERIALS AND METHODS: Human peritoneal fluid mononuclear cells (PFMC) were stimulated with lipopolysaccharide (LPS) in the presence of α-7 nAChR agonists. In a murine endometriosis model, α-7 nAChR modulators were administered.
RESULTS: Human PFMC expressed α-7 nAChR at the mRNA and protein levels. Activation of α-7 nAChR with its agonists led to significant (P<.01) suppression of LPS-induced interleukin (IL) -1β expression. In a murine endometriosis model, one week after inoculation of endometrium to the peritoneal cavity, α-7 nAChR agonist significantly suppressed the expression of IL-1β mRNA (P<.01), which was negated when α-7 nAChR antagonist was administered simultaneously. α-7 nAChR agonist significantly suppressed the formation of endometriotic lesions, which was reversed with α-7 nAChR antagonist.
CONCLUSION: Activation of nAChR might be a new candidate for treatment of endometriosis.
MATERIALS AND METHODS: Human peritoneal fluid mononuclear cells (PFMC) were stimulated with lipopolysaccharide (LPS) in the presence of α-7 nAChR agonists. In a murine endometriosis model, α-7 nAChR modulators were administered.
RESULTS: Human PFMC expressed α-7 nAChR at the mRNA and protein levels. Activation of α-7 nAChR with its agonists led to significant (P<.01) suppression of LPS-induced interleukin (IL) -1β expression. In a murine endometriosis model, one week after inoculation of endometrium to the peritoneal cavity, α-7 nAChR agonist significantly suppressed the expression of IL-1β mRNA (P<.01), which was negated when α-7 nAChR antagonist was administered simultaneously. α-7 nAChR agonist significantly suppressed the formation of endometriotic lesions, which was reversed with α-7 nAChR antagonist.
CONCLUSION: Activation of nAChR might be a new candidate for treatment of endometriosis.
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