Reproduction in bony fish,specifically in the female teleost,encompasses well-defined stages,including growth and development,final oocyte maturation and finally ovulation-a pre-requisite for forming fertilizable fema...Reproduction in bony fish,specifically in the female teleost,encompasses well-defined stages,including growth and development,final oocyte maturation and finally ovulation-a pre-requisite for forming fertilizable female gametes.The morphological changes encountered during ovulatory response engage a multitude of endocrine,autocrine,and paracrine factors.These include gonadal steroids,growth factors,inflammatory cytokines,prostaglandins,leukotrienes and matrix metalloproteinases.In recent years,the active participation of prostaglandins and their receptors in LH-dependent ovulatory action has received much attention.Considerable evidence also supports the participation of nitric oxide/nitric oxide synthase(NO/NOS)unit in regulating meiotic maturation and ovulatory cascade.However,relatively less information is available on physiological relevance,the inter-relationship and the conjoined efforts of these molecular candidates to trigger ovulation in the fish ovary.The prime objective of the present article is to summarize the potential cross-talk between major molecular candidates downstream of LH action in the follicular layer.Besides,the intraovarian role of prostaglandin(PG)vis-`a-vis NO/NOS system on mammalian and teleost ovulatory response has been emphasised.展开更多
基金Department of Biotechnology(Grant No.BT/PR28560/AAQ/3/919/2018)Department of Science and Technology under PURSE Program[Grant No.SR/PURSE Phase 2/42(G)]to SM+2 种基金University Grants Commission,New Delhi for Senior Research Fellowship(F.No.16-9(June 2018)/2019(NET/CSIR),15/04/2019)to SGDST,New Delhi through the award of INSPIRE Fellowship(NO:DST/INSPIRE/03/2015/005022)to SBThe authors are also thankful to Head,Department of Zoology,Visva-Bharati University,Santiniketan,India(grant number DST-FIST No.SR/FST/LS II-031/2013[C])for providing infrastructural facilities.
文摘Reproduction in bony fish,specifically in the female teleost,encompasses well-defined stages,including growth and development,final oocyte maturation and finally ovulation-a pre-requisite for forming fertilizable female gametes.The morphological changes encountered during ovulatory response engage a multitude of endocrine,autocrine,and paracrine factors.These include gonadal steroids,growth factors,inflammatory cytokines,prostaglandins,leukotrienes and matrix metalloproteinases.In recent years,the active participation of prostaglandins and their receptors in LH-dependent ovulatory action has received much attention.Considerable evidence also supports the participation of nitric oxide/nitric oxide synthase(NO/NOS)unit in regulating meiotic maturation and ovulatory cascade.However,relatively less information is available on physiological relevance,the inter-relationship and the conjoined efforts of these molecular candidates to trigger ovulation in the fish ovary.The prime objective of the present article is to summarize the potential cross-talk between major molecular candidates downstream of LH action in the follicular layer.Besides,the intraovarian role of prostaglandin(PG)vis-`a-vis NO/NOS system on mammalian and teleost ovulatory response has been emphasised.
