血清α-Klotho及其与中部早期青春期男孩的丸激素的相关性
Eu-Seon Noh1, Hye Young Jin1, Il Tae Hwang1
1Department of Pediatrics, Kangdong Sacred Heart Hospital, Seoul, Republic of Korea.
Journal of pediatric endocrinology & metabolism : JPEM
|November 10, 2025
概括
在中部早熟青春期 (CPP) 的男孩中,血清α-Klotho水平与对照组没有差异,并且在治疗过程中没有变化. α-Klotho与丸激素相关,表明它反映了雄激素活性,而不是作为男孩的动态生物标志物.
科学领域:
- 内分泌学 在内分泌学.
- 生殖生物学 生殖生物学
- 衰老研究研究 衰老研究
背景情况:
- α-Klotho是一种抗衰老蛋白,影响胰岛素类生长因子1 (IGF-1) 信号传递和繁殖.
- 之前对中部早期青春期 (CPP) 的女孩进行的研究表明,α-Klotho水平升高,随着治疗而降低,这表明生物标志物的潜力.
- 对于CPP男孩的α-Klotho的作用和模式仍未得到研究.
研究的目的:
- 为了研究患有CPP的男孩的血清α-Klotho水平.
- 在这些患者中探索α-Klotho与包括IGF-1在内的荷尔蒙参数之间的关系.
- 为了评估性腺激素释放激素 (GnRH) 激动剂治疗后α-Klotho水平的变化.
主要方法:
- 横截面研究将36名患有CPP的男孩与34名年龄相匹配的健康对照进行了比较.
- 基线测量包括血清α-Klotho,淋巴激素 (LH,FSH),,IGF-1和其他生化标志物.
- 在6个月的GnRH激动剂治疗后,对15名CPP患者进行了长度评估.
主要成果:
- 与对照人群相比,患有CPP的男孩表现出晚期骨年龄和升高的LH,FSH,和IGF-1 SDS.
- 基线血清α-Klotho水平在CPP男孩和对照人群之间是可比的.
- 血清α-Klotho与强相关 (r=0.755) 和IGF-1 SDS中度相关 (r=0.570),但与淋巴激素没有相关.
- 经过GnRH激动剂治疗后,丸激素和淋巴激素显著下降,而α-Klotho显示出非显著的下降.
结论:
- 与女孩不同的是,患有CPP的男孩没有呈现过高的或对治疗有反应的α-Klotho水平.
- 观察到的相关性表明α-Klotho可能反映了男孩的雄激素活性,而不是作为CPP的动态生物标志物.
- 需要对更大的队列进行进一步的研究和扩展后续调查,以阐明α-Klotho在男性青春期的确切作用及其潜在的性别特异性调节.
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