{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T20:38:04Z","timestamp":1793133484712,"version":"4.5.0"},"reference-count":44,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2020,3,3]],"date-time":"2020-03-03T00:00:00Z","timestamp":1583193600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,3,3]],"date-time":"2020-03-03T00:00:00Z","timestamp":1583193600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"funder":[{"DOI":"10.13039\/501100001809","name":"the Natural Science Foundation of China","doi-asserted-by":"crossref","award":["31402286, 2015;31972777,2019"],"award-info":[{"award-number":["31402286, 2015;31972777,2019"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Fish Physiol Biochem"],"published-print":{"date-parts":[[2020,6]]},"DOI":"10.1007\/s10695-020-00778-9","type":"journal-article","created":{"date-parts":[[2020,3,3]],"date-time":"2020-03-03T18:23:58Z","timestamp":1583259838000},"page":"1155-1165","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Expression and regulation of Smad2 by gonadotropins in the protogynous hermaphroditic ricefield eel (Monopterus albus)"],"prefix":"10.1007","volume":"46","author":[{"given":"Zhi","family":"He","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Faqiang","family":"Deng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sen","family":"Xiong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yueping","family":"Cai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhide","family":"He","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiongyan","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Song","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deying","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taiming","family":"Yan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,3,3]]},"reference":[{"key":"778_CR1","doi-asserted-by":"publisher","first-page":"586","DOI":"10.1095\/biolreprod.103.018598","volume":"70","author":"RB Billiar","year":"2004","unstructured":"Billiar RB, St Clair JB, Zachos NC, Burch MG, Albrecht ED, Pepe GJ (2004) Localization and developmental expression of the activin signal transduction proteins Smads 2, 3, and 4 in the baboon fetal ovary. Biol Reprod 70:586\u2013592. https:\/\/doi.org\/10.1095\/biolreprod.103.018598","journal-title":"Biol Reprod"},{"key":"778_CR2","doi-asserted-by":"publisher","first-page":"1969","DOI":"10.1210\/mend-3-12-1969","volume":"3","author":"RS Carroll","year":"1989","unstructured":"Carroll RS, Corrigan AZ, Gharib SD, Vale W, Chin WW (1989) Inhibin, activin, and follistatin: regulation of follicle-stimulating hormone messenger ribonucleic acid levels. Mol Endocrinol 3:1969\u20131976. https:\/\/doi.org\/10.1210\/mend-3-12-1969","journal-title":"Mol Endocrinol"},{"key":"778_CR3","doi-asserted-by":"publisher","first-page":"129","DOI":"10.1111\/j.1469-7998.1967.tb02868.x","volume":"151","author":"S Chan","year":"1967","unstructured":"Chan S, Phillips J (1967) The structure of the gonad during natural sex reversal in Monopterus albus (Pisces: Teleostei). J Zool 151:129\u2013141. https:\/\/doi.org\/10.1111\/j.1469-7998.1967.tb02868.x","journal-title":"J Zool"},{"key":"778_CR4","doi-asserted-by":"publisher","first-page":"415","DOI":"10.1111\/j.1469-7998.1972.tb01733.x","volume":"167","author":"STH Chan","year":"1972","unstructured":"Chan STH, Wai-Sum O, Tang F, Lofts B (1972) Biopsy studies on the natural sex reversal in Monopterus albus (Pisces: Teleostei). J Zool (Lond) 167:415\u2013421. https:\/\/doi.org\/10.1111\/j.1469-7998.1972.tb01733.x","journal-title":"J Zool (Lond)"},{"key":"778_CR5","doi-asserted-by":"publisher","first-page":"274","DOI":"10.1159\/000074348","volume":"101","author":"H Cheng","year":"2003","unstructured":"Cheng H, Guo Y, Yu Q, Zhou R (2003) The rice field eel as a model system for vertebrate sexual development. Cytogenet Genome Res 101:274\u2013277. https:\/\/doi.org\/10.1159\/000074348","journal-title":"Cytogenet Genome Res"},{"key":"778_CR6","doi-asserted-by":"publisher","first-page":"189","DOI":"10.1016\/j.ydbio.2007.11.026","volume":"314","author":"SM Coutts","year":"2008","unstructured":"Coutts SM, Childs AJ, Norma F, Craig C, Bayne RAL, Mcneilly AS, Anderson RA (2008) Activin signals via SMAD2\/3 between germ and somatic cells in the human fetal ovary and regulates kit ligand expression. Dev Biol 314:189\u2013199. https:\/\/doi.org\/10.1016\/j.ydbio.2007.11.026","journal-title":"Dev Biol"},{"key":"778_CR7","doi-asserted-by":"publisher","first-page":"1226","DOI":"10.1016\/S0960-9822(96)00702-6","volume":"6","author":"R Derynck","year":"1996","unstructured":"Derynck R, Zhang Y (1996) Intracellular signalling: the mad way to do it. Curr Biol 6:1226. https:\/\/doi.org\/10.1016\/S0960-9822(96)00702-6","journal-title":"Curr Biol"},{"key":"778_CR8","doi-asserted-by":"publisher","first-page":"69","DOI":"10.1016\/S0378-1119(00)00056-1","volume":"246","author":"A Dick","year":"2000","unstructured":"Dick A, Mayr T, Bauer H, Meier A, Hammerschmidt M (2000) Cloning and characterization of zebrafish smad2, smad3 and smad4. Gene 246:69\u201380. https:\/\/doi.org\/10.1016\/S0378-1119(00)00056-1","journal-title":"Gene"},{"key":"778_CR9","doi-asserted-by":"publisher","first-page":"287","DOI":"10.1016\/j.ygcen.2005.04.003","volume":"143","author":"T Dimuccio","year":"2005","unstructured":"Dimuccio T, Mukai ST, Clelland E, Kohli G, Cuartero M, Wu T, Peng C (2005) Cloning of a second form of activin-\u03b2A cDNA and regulation of activin-\u03b2A subunits and activin type II receptor mRNA expression by gonadotropin in the zebrafish ovary. Gen Comp Endocrinol 143:287\u2013299. https:\/\/doi.org\/10.1016\/j.ygcen.2005.04.003","journal-title":"Gen Comp Endocrinol"},{"key":"778_CR10","doi-asserted-by":"publisher","first-page":"848","DOI":"10.1095\/biolreprod.106.057471","volume":"76","author":"RA Dragovic","year":"2007","unstructured":"Dragovic RA, Ritter LJ, Schulz SJ, Amato F, Thompson JG, Armstrong DT, Gilchrist RB (2007) Oocyte-secreted factor activation of SMAD 2\/3 signaling enables initiation of mouse cumulus cell expansion. Biol Reprod 76:848\u2013857. https:\/\/doi.org\/10.1095\/biolreprod.106.057471","journal-title":"Biol Reprod"},{"key":"778_CR11","doi-asserted-by":"publisher","first-page":"1233","DOI":"10.1007\/s10695-012-9611-7","volume":"38","author":"SA Gahr","year":"2012","unstructured":"Gahr SA, Weber GM, Rexroad CE (2012) Identification and expression of Smads associated with TGF-\u03b2\/activin\/nodal signaling pathways in the rainbow trout (Oncorhynchus mykiss). Fish Physiol Biochem 38:1233\u20131244. https:\/\/doi.org\/10.1007\/s10695-012-9611-7","journal-title":"Fish Physiol Biochem"},{"key":"778_CR12","doi-asserted-by":"publisher","first-page":"65","DOI":"10.1023\/B:FISH.0000030478.31396.bb","volume":"28","author":"W Ge","year":"2003","unstructured":"Ge W et al (2003) Activin stimulates goldfish FSH biosynthesis by enhancing FSH\u03b2 promoter activity. Fish Physiol Biochem 28:65\u201371. https:\/\/doi.org\/10.1023\/B:FISH.0000030478.31396.bb","journal-title":"Fish Physiol Biochem"},{"key":"778_CR13","doi-asserted-by":"publisher","first-page":"jcs218123","DOI":"10.1242\/jcs.218123","volume":"131","author":"K Hardy","year":"2018","unstructured":"Hardy K, Mora JM, Dunlop C, Carzaniga R, Franks S, Fenwick MA (2018) Nuclear exclusion of SMAD2\/3 in granulosa cells is associated with primordial follicle activation in the mouse ovary. J Cell Sci 131:jcs218123. doi. https:\/\/doi.org\/10.1242\/jcs.218123","journal-title":"J Cell Sci"},{"key":"778_CR14","doi-asserted-by":"publisher","first-page":"355","DOI":"10.1016\/j.ygcen.2012.06.016","volume":"178","author":"Z He","year":"2012","unstructured":"He Z, Wu Y, Xie J, Wang T, Zhang L, Zhang W (2012) Growth differentiation factor 9 (Gdf9) was localized in the female as well as male germ cells in a protogynous hermaphroditic teleost fish, ricefield eel Monopterus albus. Gen Comp Endocrinol 178:355\u2013362. https:\/\/doi.org\/10.1016\/j.ygcen.2012.06.016","journal-title":"Gen Comp Endocrinol"},{"key":"778_CR15","doi-asserted-by":"publisher","first-page":"1571","DOI":"10.1095\/biolreprod66.6.1571","volume":"66","author":"X Jian","year":"2002","unstructured":"Jian X, Jennifer O, Mcgee EA (2002) Stage-specific expression of Smad2 and Smad3 during folliculogenesis. Biol Reprod 66:1571\u20131578. https:\/\/doi.org\/10.1095\/biolreprod66.6.1571","journal-title":"Biol Reprod"},{"key":"778_CR16","doi-asserted-by":"publisher","first-page":"21","DOI":"10.1186\/1477-7827-4-21","volume":"4","author":"N Kaivo-oja","year":"2006","unstructured":"Kaivo-oja N, Jeffery LA, Ritvos O, Mottershead DG (2006) Smad signalling in the ovary. Reprod Biol Endocrinol 4:21\u201313. https:\/\/doi.org\/10.1186\/1477-7827-4-21","journal-title":"Reprod Biol Endocrinol"},{"key":"778_CR17","doi-asserted-by":"publisher","first-page":"984","DOI":"10.1101\/gad.11.8.984","volume":"11","author":"M Kretzschmar","year":"1997","unstructured":"Kretzschmar M, Liu F, Hata A, Doody J, Massagu\u00e9 J (1997) The TGF-beta family mediator Smad1 is phosphorylated directly and activated functionally by the BMP receptor kinase. Genes Dev 11:984\u2013995. https:\/\/doi.org\/10.1101\/gad.11.8.984","journal-title":"Genes Dev"},{"key":"778_CR18","doi-asserted-by":"publisher","first-page":"931","DOI":"10.1007\/s10815-011-9609-6","volume":"28","author":"FT Kuo","year":"2011","unstructured":"Kuo FT, Fan K, Ambartsumyan G, Menon P, Ketefian A, Bentsi-Barnes IK, Pisarska MD (2011) Relative expression of genes encoding SMAD signal transduction factors in human granulosa cells is correlated with oocyte quality. J Assist Reprod Genet 28:931\u2013938. https:\/\/doi.org\/10.1007\/s10815-011-9609-6","journal-title":"J Assist Reprod Genet"},{"key":"778_CR19","doi-asserted-by":"publisher","first-page":"22","DOI":"10.1016\/j.ygcen.2004.10.019","volume":"141","author":"MT Lau","year":"2005","unstructured":"Lau MT, Ge W (2005) Cloning of Smad2, Smad3, Smad4, and Smad7 from the goldfish pituitary and evidence for their involvement in activin regulation of goldfish FSH\u03b2 promoter activity. Gen Comp Endorinol 141:22\u201338. https:\/\/doi.org\/10.1016\/j.ygcen.2004.10.019","journal-title":"Gen Comp Endorinol"},{"key":"778_CR20","doi-asserted-by":"publisher","unstructured":"Lee S, Rivier C (1997) Effect of repeated activin-A treatment on the activity of the hypothalamic-pituitary-gonadal axis of the adult male rat. Biol Reprod 56:969\u2013975.https:\/\/doi.org\/10.1095\/biolreprod56.4.969","DOI":"10.1095\/biolreprod56.4.969"},{"key":"778_CR21","doi-asserted-by":"publisher","first-page":"686","DOI":"10.1093\/biolre\/ioy101","volume":"99","author":"J Li","year":"2018","unstructured":"Li J, Cheng C (2018) Evolution of gonadotropin signaling on gonad development: insights from gene knockout studies in zebrafish. Biol Reprod 99:686\u2013694. https:\/\/doi.org\/10.1093\/biolre\/ioy101","journal-title":"Biol Reprod"},{"key":"778_CR22","doi-asserted-by":"publisher","unstructured":"Li Q, Pangas SA, Jorgez CJ, Graff JM, Weinstein M, Matzuk MM (2008) Redundant roles of SMAD2 and SMAD3 in ovarian granulosa cells in vivo. Mol Cell Biol 28:7001\u20137011.https:\/\/doi.org\/10.1128\/MCB.00732-08","DOI":"10.1128\/MCB.00732-08"},{"key":"778_CR23","doi-asserted-by":"publisher","first-page":"22","DOI":"10.1016\/j.ygcen.2004.10.019","volume":"141","author":"L Man-Tat","year":"2005","unstructured":"Man-Tat L, Wei G (2005) Cloning of Smad2, Smad3, Smad4, and Smad7 from the goldfish pituitary and evidence for their involvement in activin regulation of goldfish FSHbeta promoter activity. Gen Comp Endocrinol 141:22\u201338. https:\/\/doi.org\/10.1016\/j.ygcen.2004.10.019","journal-title":"Gen Comp Endocrinol"},{"key":"778_CR24","doi-asserted-by":"publisher","first-page":"310","DOI":"10.1210\/edrv-15-3-310","volume":"15","author":"LS Mathews","year":"1994","unstructured":"Mathews LS (1994) Activin receptors and cellular signaling by the receptor serine kinase family. Endocr Rev 15:310\u2013325. https:\/\/doi.org\/10.1210\/edrv-15-3-310","journal-title":"Endocr Rev"},{"key":"778_CR25","doi-asserted-by":"publisher","first-page":"195","DOI":"10.1016\/S0303-7207(01)00719-5","volume":"188","author":"Y Pang","year":"2002","unstructured":"Pang Y, Ge W (2002) Gonadotropin regulation of activin \u03b2A and activin type IIA receptor expression in the ovarian follicle cells of the zebrafish, Danio rerio. Mol Cell Endocrinol 188:195\u2013205. https:\/\/doi.org\/10.1016\/S0303-7207(01)00719-5","journal-title":"Mol Cell Endocrinol"},{"key":"778_CR26","doi-asserted-by":"publisher","first-page":"2105","DOI":"10.1093\/emboj\/18.23.6855","volume":"13","author":"E Piek","year":"1999","unstructured":"Piek E, Heldin CH, Ten DP (1999) Specificity, diversity, and regulation in TGF-\u03b2 superfamily signaling. FASEB J 13:2105. https:\/\/doi.org\/10.1093\/emboj\/18.23.6855","journal-title":"FASEB J"},{"key":"778_CR27","doi-asserted-by":"publisher","first-page":"1721","DOI":"10.1007\/s10695-014-9962-3","volume":"40","author":"H Qing","year":"2014","unstructured":"Qing H, Wei G, Yu G, Rong T, Dapeng L (2014) Reference gene selection for real-time RT-PCR normalization in rice field eel (Monopterus albus) during gonad development. Fish Physiol Biochem 40:1721\u20131730. https:\/\/doi.org\/10.1007\/s10695-014-9962-3","journal-title":"Fish Physiol Biochem"},{"key":"778_CR28","unstructured":"Sharum I (2016) Regulation of TGF\u03b2\/Smad Signalling during early follicle development in the mouse ovary. Dissertation, University of Sheffield"},{"key":"778_CR29","doi-asserted-by":"publisher","unstructured":"Shi Y, Massagu\u00e9 J (2003) Mechanisms of TGF-\u03b2 signaling from cell membrane to the nucleus. Cell 113:685\u2013700. https:\/\/doi.org\/10.1016\/s0092-8674(03)00432-x","DOI":"10.1016\/s0092-8674"},{"key":"778_CR30","doi-asserted-by":"publisher","first-page":"585","DOI":"10.1016\/s0092-8674(00)81600-1","volume":"94","author":"Y Shi","year":"1998","unstructured":"Shi Y, Wang YF, Jayaraman L, Yang H, Massagu\u00e9 J, Pavletich NP (1998) Crystal structure of a Smad MH1 domain bound to DNA : insights on DNA binding in TGF-\u03b2 signaling. Cell 94:585\u2013594. https:\/\/doi.org\/10.1016\/s0092-8674(00)81600-1","journal-title":"Cell"},{"key":"778_CR31","doi-asserted-by":"publisher","unstructured":"de Sousa Lopes SM, Carvalho RL, van den Driesche S, Goumans MJ, ten Dijke P, Mummery CL (2003) Distribution of phosphorylated Smad2 identifies target tissues of TGF beta ligands in mouse development. Gene Expr Patterns 3:355\u2013360. https:\/\/doi.org\/10.1016\/S1567-133X(03)00029-2","DOI":"10.1016\/S1567-133X"},{"key":"778_CR32","doi-asserted-by":"publisher","first-page":"223","DOI":"10.1016\/0016-6480(89)90153-6","volume":"76","author":"K Suzuki","year":"1989","unstructured":"Suzuki K, Tan ES, Tamaoki BI (1989) Change of steroidogenic pathways in the ovary of a tropical catfish, Clarias macrocephalus, Gunther, after hCG treatment. Gen Comp Endocrinol 76:223\u2013229. https:\/\/doi.org\/10.1016\/0016-6480(89)90153-6","journal-title":"Gen Comp Endocrinol"},{"key":"778_CR33","doi-asserted-by":"publisher","first-page":"18","DOI":"10.1016\/j.cbpa.2008.09.016","volume":"153","author":"Q Tan","year":"2009","unstructured":"Tan Q, Balofsky A, Weisz K, Peng C (2009) Role of activin, transforming growth factor-beta and bone morphogenetic protein 15 in regulating zebrafish oocyte maturation. Comp Biochem Physiol A Mol Integr Physiol 153:18\u201323. https:\/\/doi.org\/10.1016\/j.cbpa.2008.09.016","journal-title":"Comp Biochem Physiol A Mol Integr Physiol"},{"key":"778_CR34","doi-asserted-by":"publisher","first-page":"191","DOI":"10.1042\/BJ20100427","volume":"430","author":"L Ting","year":"2010","unstructured":"Ting L, Xin-Hua F (2010) Regulation of TGF-beta signalling by protein phosphatases. Biochem J 430:191\u2013198. https:\/\/doi.org\/10.1042\/BJ20100427","journal-title":"Biochem J"},{"key":"778_CR35","doi-asserted-by":"publisher","first-page":"8366","DOI":"10.1021\/bi9005489","volume":"48","author":"E Vasilaki","year":"2009","unstructured":"Vasilaki E, Siderakis M, Papakosta P, Skourti-Stathaki K, Mavridou S, Kardassis D (2009) Novel regulation of Smad3 oligomerization and DNA binding by its linker domain. Biochem 48:8366\u20138378. https:\/\/doi.org\/10.1021\/bi9005489","journal-title":"Biochem"},{"key":"778_CR36","doi-asserted-by":"publisher","first-page":"999","DOI":"10.1095\/biolreprod61.4.999","volume":"61","author":"RA Wang","year":"1999","unstructured":"Wang RA, Zhao GQ (1999) Transforming growth factor beta signal transducer Smad2 is expressed in mouse meiotic germ cells, Sertoli cells, and Leydig cells during spermatogenesis. Biol Reprod 61:999\u20131004. https:\/\/doi.org\/10.1095\/biolreprod61.4.999","journal-title":"Biol Reprod"},{"key":"778_CR37","first-page":"205","volume":"38","author":"XH Wei","year":"2007","unstructured":"Wei XH, Qi LH, Chi XC, Dong JX, Xu J (2007) The effects of FSH on the phosphorylation of Smad2\/Smad3 protein in rat ovarian granulosa cells. Acta Anat Sin 38:205\u2013208","journal-title":"Acta Anat Sin"},{"key":"778_CR38","doi-asserted-by":"publisher","first-page":"2332","DOI":"10.1210\/endo.132.6.8504739","volume":"132","author":"TK Woodruff","year":"1993","unstructured":"Woodruff TK, Krummen LA, Lyon RJ, Stocks DL, Mather JP (1993) Recombinant human inhibin A and recombinant human activin A regulate pituitary and ovarian function in the adult female rat. Endocrinology 132:2332\u20132341. https:\/\/doi.org\/10.1210\/endo.132.6.8504739","journal-title":"Endocrinology"},{"key":"778_CR39","doi-asserted-by":"publisher","first-page":"1585","DOI":"10.1095\/biolreprod62.6.1585","volume":"62","author":"T Wu","year":"2000","unstructured":"Wu T, Patel H, Mukai S, Melino C, Garg R, Ni X, Chang J, Peng C (2000) Activin, inhibin, and follistatin in zebrafish ovary: expression and role in oocyte maturation. Biol Reprod 62:1585\u20131592. https:\/\/doi.org\/10.1095\/biolreprod62.6.1585","journal-title":"Biol Reprod"},{"key":"778_CR40","doi-asserted-by":"publisher","first-page":"503","DOI":"10.1016\/j.bbaexp.2006.11.001","volume":"1759","author":"L Xu","year":"2006","unstructured":"Xu L (2006) Regulation of Smad activities. Biochim Biophys Acta 1759:503\u2013513. https:\/\/doi.org\/10.1016\/j.bbaexp.2006.11.001","journal-title":"Biochim Biophys Acta"},{"key":"778_CR41","doi-asserted-by":"publisher","first-page":"192","DOI":"10.1002\/j.1939-4640.2003.tb02662.x","volume":"24","author":"J Xu","year":"2003","unstructured":"Xu J, Beyer AR, Walker WH, Mcgee EA (2003) Developmental and stage-specific expression of Smad2 and Smad3 in rat testis. J Androl 24:192\u2013200. https:\/\/doi.org\/10.1002\/j.1939-4640.2003.tb02662.x","journal-title":"J Androl"},{"key":"778_CR42","doi-asserted-by":"publisher","first-page":"491","DOI":"10.1210\/en.2002-220734","volume":"144","author":"W Yajun","year":"2003","unstructured":"Yajun W, Wei G (2003) Involvement of cyclic adenosine 3\u2032,5\u2032-monophosphate in the differential regulation of activin betaA and betaB expression by gonadotropin in the zebrafish ovarian follicle cells. Endocrinology 144:491\u2013499. https:\/\/doi.org\/10.1210\/en.2002-220734","journal-title":"Endocrinology"},{"key":"778_CR43","doi-asserted-by":"publisher","first-page":"108","DOI":"10.1016\/j.ygcen.2003.08.012","volume":"135","author":"CW Yuen","year":"2004","unstructured":"Yuen CW, Ge W (2004) Follistatin suppresses FSH beta but increases LH beta expression in the goldfish - evidence for an activin-mediated autocrine\/paracrine system in fish pituitary. Gen Comp Endocrinol 135:108\u2013115. https:\/\/doi.org\/10.1016\/j.ygcen.2003.08.012","journal-title":"Gen Comp Endocrinol"},{"key":"778_CR44","doi-asserted-by":"publisher","first-page":"771","DOI":"10.1016\/j.acthis.2010.11.005","volume":"113","author":"L Zhao","year":"2011","unstructured":"Zhao L, He J, Guo Q, Wen X, Zhang X, Dong C (2011) Expression of growth differentiation factor 9 (GDF9) and its receptor in adult cat testis. Acta Histochem 113:771\u2013776. https:\/\/doi.org\/10.1016\/j.acthis.2010.11.005","journal-title":"Acta Histochem"}],"container-title":["Fish Physiology and Biochemistry"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s10695-020-00778-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s10695-020-00778-9\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s10695-020-00778-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,3,3]],"date-time":"2021-03-03T00:43:37Z","timestamp":1614732217000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s10695-020-00778-9"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,3,3]]},"references-count":44,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2020,6]]}},"alternative-id":["778"],"URL":"https:\/\/doi.org\/10.1007\/s10695-020-00778-9","relation":{},"ISSN":["0920-1742","1573-5168"],"issn-type":[{"value":"0920-1742","type":"print"},{"value":"1573-5168","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,3,3]]},"assertion":[{"value":"12 November 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"20 February 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"3 March 2020","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"All procedures and investigations were reviewed and approved by the Animal Research and Ethics Committees of Sichuan Agricultural University and were performed in accordance with the guidelines of the committee.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"The authors declare that they have no conflicts of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}