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对甲状腺功能障碍对精液囊泡的影响和对男性生育能力的影响的定量蛋白质学分析
Deborah Elzita do Carmo Corrêa1, Paula Bargi-Souza2, Isabela Medeiros Oliveira1
1Department of Medicine, State University of Central-West (UNICENTRO), Guarapuava, Parana, Brazil.
Molecular and cellular endocrinology
|August 26, 2023
概括
成年雄鼠甲状腺功能障碍会损害精液囊功能,影响精子质量和生殖健康. 这项研究揭示了由于甲状腺功能低下和甲状腺毒性病导致的精液囊中的关键分子变化.
科学领域:
- 内分泌学和生殖生物学
- 蛋白质组学和分子生物学
背景情况:
- 甲状腺激素显著影响男性生殖健康,但它们对精液囊 (SV) 功能的特定影响仍然在很大程度上未被探索.
- 现有的知识将甲状腺功能低下和甲状腺毒性与男性生殖障碍联系在一起,但涉及SV代谢和功能的确切机制尚不清楚.
研究的目的:
- 调查实验诱导的甲状腺功能低下症和甲状腺毒性病对成年雄性大鼠的精液囊功能和新陈代谢的影响.
- 通过使用先进的蛋白质基因技术,在男性生殖系统内识别由甲状腺激素调节的新型分子标.
主要方法:
- 在成年Wistar雄性大鼠中诱导甲状腺功能低下和甲状腺毒性.
- 对精液囊形态,精液体积和关键基因表达 (Esr2, Dio1) 的分析.
- 定量蛋白质组分析以确定差异表达的蛋白质 (116已确定).
主要成果:
- 甲状腺功能低下导致SV大小减少,精液体积减少,以及对精子活力,电容,受精,抗氧化防御和能量代谢至关重要的蛋白质的表达减少.
- 甲状腺毒性与SV中Esr2和Dio1的表达增加有关.
- 甲状腺功能低下症增加了与SV组织损伤相关的蛋白质的表达.
结论:
- 成年期甲状腺激素失衡显著影响精液囊形态,分子形状和整体功能.
- 该研究确定了受甲状腺功能障碍影响的SV中的特定分子通路,突出了生殖健康干预的潜在目标.
- 甲状腺功能障碍对男性生育能力的关键方面产生负面影响,包括精子质量和精液成分.
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