Priyanka Sathoria, Bhawna Chuphal, Umesh Rai, Brototi Roy
{"title":"阿司匹林调节远洋鱼类的雄性繁殖:点鳢的体外研究。","authors":"Priyanka Sathoria, Bhawna Chuphal, Umesh Rai, Brototi Roy","doi":"10.1530/JOE-24-0146","DOIUrl":null,"url":null,"abstract":"<p><p>The novel adipokine asprosin produced by the furin enzymatic cleavage of profibrillin 1 protein (encoded by the Fbn1 gene) is implicated in regulating many physiological functions including reproduction in mammals. In males, asprosin is reported to increase sperm density, sperm motility, and steroid production by interacting with Olfr734 belonging to the G-protein coupled receptor family (GPCR). In 2023, our group predicted and characterized asprosin in silico for the first time and demonstrated the robust expression of fbn1, and furin in the gonads of teleost spotted snakehead (ss) Channa punctata. Taking it forward, in the current study, we have investigated the effect of asprosin on the testicular functions of the spotted snakehead. As C. punctata is a seasonal breeder, reproductive-phase dependent expression of fbn1 in the testis was analysed, which showed significant upregulation during the preparatory and post-spawning phases. In addition, bacterially overexpressed recombinant asprosin of C. punctata was purified to study the effect of ss asprosin on gametogenesis and steroidogenesis. Ex vivo treatment with recombinant asprosin resulted in significant upregulation of spermatogenic marker genes pcna, aldh1a2, cyp26a1, and sycp3. Asprosin also enhanced the gene expression of gonadotropin receptors as well as sex steroid receptors in addition to steroidogenic genes, star and cyp17a1. Further to explore the downstream signalling cascade, the second messenger of GPCRs, cAMP level following asprosin treatment was analysed. Asprosin treatment prominently enhanced the cAMP levels, thereby indicating the involvement of GPCR in transduction of asprosin action. Hence, the study elucidates the regulation of male reproductive function by asprosin in spotted snakehead.</p>","PeriodicalId":15740,"journal":{"name":"Journal of Endocrinology","volume":null,"pages":null},"PeriodicalIF":3.4000,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Asprosin regulates male reproduction in teleosts: in vitro study in Channa punctata.\",\"authors\":\"Priyanka Sathoria, Bhawna Chuphal, Umesh Rai, Brototi Roy\",\"doi\":\"10.1530/JOE-24-0146\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The novel adipokine asprosin produced by the furin enzymatic cleavage of profibrillin 1 protein (encoded by the Fbn1 gene) is implicated in regulating many physiological functions including reproduction in mammals. In males, asprosin is reported to increase sperm density, sperm motility, and steroid production by interacting with Olfr734 belonging to the G-protein coupled receptor family (GPCR). In 2023, our group predicted and characterized asprosin in silico for the first time and demonstrated the robust expression of fbn1, and furin in the gonads of teleost spotted snakehead (ss) Channa punctata. Taking it forward, in the current study, we have investigated the effect of asprosin on the testicular functions of the spotted snakehead. As C. punctata is a seasonal breeder, reproductive-phase dependent expression of fbn1 in the testis was analysed, which showed significant upregulation during the preparatory and post-spawning phases. In addition, bacterially overexpressed recombinant asprosin of C. punctata was purified to study the effect of ss asprosin on gametogenesis and steroidogenesis. Ex vivo treatment with recombinant asprosin resulted in significant upregulation of spermatogenic marker genes pcna, aldh1a2, cyp26a1, and sycp3. Asprosin also enhanced the gene expression of gonadotropin receptors as well as sex steroid receptors in addition to steroidogenic genes, star and cyp17a1. Further to explore the downstream signalling cascade, the second messenger of GPCRs, cAMP level following asprosin treatment was analysed. Asprosin treatment prominently enhanced the cAMP levels, thereby indicating the involvement of GPCR in transduction of asprosin action. 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Asprosin regulates male reproduction in teleosts: in vitro study in Channa punctata.
The novel adipokine asprosin produced by the furin enzymatic cleavage of profibrillin 1 protein (encoded by the Fbn1 gene) is implicated in regulating many physiological functions including reproduction in mammals. In males, asprosin is reported to increase sperm density, sperm motility, and steroid production by interacting with Olfr734 belonging to the G-protein coupled receptor family (GPCR). In 2023, our group predicted and characterized asprosin in silico for the first time and demonstrated the robust expression of fbn1, and furin in the gonads of teleost spotted snakehead (ss) Channa punctata. Taking it forward, in the current study, we have investigated the effect of asprosin on the testicular functions of the spotted snakehead. As C. punctata is a seasonal breeder, reproductive-phase dependent expression of fbn1 in the testis was analysed, which showed significant upregulation during the preparatory and post-spawning phases. In addition, bacterially overexpressed recombinant asprosin of C. punctata was purified to study the effect of ss asprosin on gametogenesis and steroidogenesis. Ex vivo treatment with recombinant asprosin resulted in significant upregulation of spermatogenic marker genes pcna, aldh1a2, cyp26a1, and sycp3. Asprosin also enhanced the gene expression of gonadotropin receptors as well as sex steroid receptors in addition to steroidogenic genes, star and cyp17a1. Further to explore the downstream signalling cascade, the second messenger of GPCRs, cAMP level following asprosin treatment was analysed. Asprosin treatment prominently enhanced the cAMP levels, thereby indicating the involvement of GPCR in transduction of asprosin action. Hence, the study elucidates the regulation of male reproductive function by asprosin in spotted snakehead.
期刊介绍:
Journal of Endocrinology is a leading global journal that publishes original research articles, reviews and science guidelines. Its focus is on endocrine physiology and metabolism, including hormone secretion; hormone action; biological effects. The journal publishes basic and translational studies at the organ, tissue and whole organism level.