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首页> 外文期刊>Zoological Science >Effects of Steroid Hormones and Growth Factors on the Development of the Male Mouse Reproductive Tract In Vitro
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Effects of Steroid Hormones and Growth Factors on the Development of the Male Mouse Reproductive Tract In Vitro

机译:类固醇激素和生长因子对雄性小鼠生殖道离体发育的影响

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摘要

In order determine what growth-promoting factors may be involved in androgen-induced male reproductive tract development, the newborn mouse urogenital sinus region with seminal vesicles attached was cultured for 5 days on collagen gel matrix in a serum-free medium composed of DMEM and Ham's F-12 (1:1) supplemented with BSA, insulin, cholera toxin and transferrin. Testosterone and 5 #alpha#-dihydrotestosterone (DHT) stimulated development of seminal vesicle (SV), coagulating gland (CG), prostate (P) and bulbourethral gland (BG). Epidermal growth factor (EGF) stimulated development of CG, P and BG, but inhibited that of SV. Transforming growth factor-#alpha# (TGF-#alpha#) inhibited SV development, but had stimulatory effects on both CG and P. Addition of anti-EGF antibody significantly inhibited the DHT-induced development of CG and BG, but not of SV and P. These findings suggest that both EGF and TGF-#alpha# have organ-specific regulatory actions on male reproductive tract development and that EGF may mediate the action of DHT in the development of CG and BG.
机译:为了确定哪些生长促进因子可能与雄激素诱导的男性生殖道发育有关,将新生小鼠泌尿生殖窦区域与精囊相连,在无胶培养基(由DMEM和Ham's组成)中的胶原蛋白凝胶基质上培养5天。 F-12(1:1)补充了BSA,胰岛素,霍乱毒素和转铁蛋白。睾丸激素和5#α#-二氢睾丸激素(DHT)刺激精囊(SV),凝结腺(CG),前列腺(P)和球脑腺(BG)的发育。表皮生长因子(EGF)刺激CG,P和BG的发育,但抑制SV的发育。转化生长因子-#alpha#(TGF-#alpha#)抑制了SV的发育,但对CG和P均具有刺激作用。添加抗EGF抗体可显着抑制DHT诱导的CG和BG的发育,但不抑制SV的发育这些发现表明,EGF和TGF-αalpha#对男性生殖道发育均具有器官特异性调节作用,并且EGF可能介导DHT在CG和BG发育中的作用。

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