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Article Dans Une Revue Sexual Development Année : 2011

Expression profiling of Wnt signaling genes during gonadal differentiation and gametogenesis in rainbow trout

Résumé

Wnt signaling plays major roles in various processes, including ovarian differentiation and development in mammals. In order to explore its potential implication during gonadal development in a nonmammalian vertebrate species, expression of Wnt signaling genes was investigated in rainbow trout during gonadal differentiation and gametogenesis. Multiple Wnt pathway genes were expressed and exhibited distinct expression patterns. In ovary, tcf7 was highly expressed during early differentiation, whereas no sexually dimorphic expression of rspo1 was detected. During later ovarian development, wnt11 was highly expressed in granulosa cells and oocytes suggesting an implication in folliculogenesis and oogenesis, whereas wnt9b was principally detected in granulosa cells. In testis, Wnt pathway genes were mostly expressed during early spermatogenesis. Overall, these present results suggest that Wnt signaling is implicated in multiple processes of male and female gonadal development and provide basis for future studies on Wnt signaling functions in teleost fish gonads. Copyright (C) 2011 S. Karger AG, Basel
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Dates et versions

hal-01205051 , version 1 (24-09-2015)

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Barbara Nicol, Yann Guiguen. Expression profiling of Wnt signaling genes during gonadal differentiation and gametogenesis in rainbow trout. Sexual Development, 2011, 5 (6), pp.318-329. ⟨10.1159/000334515⟩. ⟨hal-01205051⟩
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