猪囊腺体中的基因表达
Victoria Noto1, Barbara Jean Nitta-Oda1, Trish Berger1
1Department of Animal Science, University of California, Davis, CA 95616, USA.
Animals : an open access journal from MDPI
|April 13, 2024
概括
在青少年阶段,猪囊腺的生长不是主要由雄激素驱动的. 当类固醇水平低时,雌激素可能起到抑制作用,影响腺体发育.
科学领域:
- 生殖生物学 生殖生物学
- 内分泌学 在内分泌学.
- 比较解剖学的比较解剖学.
背景情况:
- 猪的气囊腺是重要的辅助性腺,产生凝类型的分泌物,其在生殖成功中的作用尚不清楚.
- 这些腺体表现出不同的生长模式,早期新生儿的同位体生长和青春期晚期 (6-11周) 和周围生长 (16-20周) 期间的全位体生长.
研究的目的:
- 调查雄激素和雌激素在猪毛囊腺生长中的作用.
- 评估不同生长阶段的雄激素受体 (AR) 和类固醇5α-减少酶2 (SRD5A2) 的表达.
主要方法:
- 量化PCR (qPCR) 用于分析AR和SRD5A2的基因表达在球腔腺组织中.
- 从对照野猪和用莱特醇治疗的野猪收集了组织,以抑制雌激素合成,在2至40周的发育范围内.
主要成果:
- 在青少年晚期和青春期前的生长阶段,AR和SRD5A2的基因表达很低,这表明雄激素信号不是主要驱动这种初始生长.
- 这些发现表明,观察到的生长不是由雄激素刺激的,挑战了以前的假设.
结论:
- 猪毛囊腺的初始全度生长可能不是由雄激素介导的.
- 结果支持通过G蛋白结合雌激素受体 (GPER) 的潜在雌激素介导抑制作用,特别是当雌激素和雄激素水平在青春晚期较低时.
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