维生素D与儿童中部早期青春期之间的关联:基于LC-MS/MS量化的值效应和调解机制
1Department of Clinical Laboratory, Renmin Hospital, Wuhan University, Wuhan, 430060, Hubei Province, P. R. China. lejuan0323@whu.edu.cn.
Journal of endocrinological investigation
|August 26, 2025
概括
较低的维生素D水平与儿童中部早期青春期 (CPP) 有关,女孩需要更高的保护值. 骨衰老加速和淋巴激素激活是女性的关键调解因素,这表明性别特定的补充.
科学领域:
- 儿童内分泌学
- 营养科学
- 生物统计学
背景情况:
- 中部早期青春期 (CPP) 涉及青春期的早期发作,可能与维生素D等环境因素有关.
- 血清25-维生素D (25(OH) 是维生素D状态的一个关键指标.
- 了解性别相关性和调解途径对于有效的预防和治疗策略至关重要.
研究的目的:
- 调查血清25OH) D含量与儿童中CPP之间的关联.
- 分析25 ((OH) D的性别特异性值对CPP风险的影响.
- 识别介导途径,包括骨老化加速和淋巴激素激活,将25...OH) D与CPP联系起来.
主要方法:
- 在494名慢性肺炎患者和2,259名对照人群中进行了横截面研究.
- 使用液体染色体-双重质谱法 (LC-MS/MS) 量化血清25(OH) D.
- 骨质年龄评估 (坦纳-怀特豪斯3) 和荷尔蒙分析.
- 限制立方线 (RCS) 用于剂量反应分析.
- 使用结构方程模型进行因果调解分析.
主要成果:
- 与对照组相比,CPP患者的25OH) D水平显著降低,缺乏率更高,性别有所不同.
- 在RCS分析中发现了反向的25 ((OH) D-CPP关联,值为35.4 ng/mL (雌性) 和19.5 ng/mL (雄性).
- 较低的25OH) D水平与晚期阴毛成熟和CPP的风险增加有关,特别是在维生素D不足/缺乏的人群中.
- 在女性中介分析显示骨衰老加速 (64. 6%) 和淋巴激素激活 (14. 6%) 是主要的途径.
结论:
- 维生素D的状况显示了与CPP风险的性别二态关联,因此女性需要更高的保护水平.
- 骨衰老加速和淋巴激素激活是女性中CPP风险的主要介导因素.
- 这些发现支持针对性别的维生素D补充策略的必要性.
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