原发性甲状腺功能障碍症通过纤维细胞生长因子23诱导红色素抵抗
Aurélie Huber1, Marco Demarchi2, Thomas Verissimo3
1Department of Medicine, Division of Nephrology and Hypertension, University Hospitals of Geneva, 1205 Geneva, Switzerland.
初级甲状腺功能障碍症 (PHPT) 贫血与纤维细胞生长因子23 (FGF23) 水平升高有关,可能导致人体质素 (EPO) 耐药性. 副甲状腺切除术 (PTX) 改善了贫血,这表明FGF23在PHPT相关的贫血中起着关键作用.
科学领域:
- 内分泌学 在内分泌学.
- 血液学 血液学 血液学
- 腎臟病學 (nephrology) 是一種醫學.
背景情况:
- 原发性偏甲状腺症 (PHPT) 经常与贫血有关,影响15%-50%的患者.
- 将PHPT与贫血联系在一起的确切机制,特别是副甲状腺激素 (PTH) 和纤维细胞生长因子23 (FGF23) 的作用,仍然不完全理解.
- 虽然PTH和FGF23通过红色素 (EPO) 耐药性和骨髓纤维化与二次性甲状腺功能过高的贫血有关,但它们在PHPT中的具体贡献需要进一步调查.
研究的目的:
- 为了研究PHPT对红细胞形成的影响.
- 评估血红蛋白 (Hb),EPO和FGF23水平在偏甲状腺切除术 (PTX) 之前和之后之间的关系.
- 探索PTH和FGF23在PHPT患者贫血发展中的潜在作用.
主要方法:
- 从2018年至2020年进行了一项单心纵向研究,追踪计划接受PTX的111名PHPT患者.
- 血液和尿液样本是在PTX后的基线,10天和6个月收集的.
- 统计分析包括皮尔森相关性和混合效应模型,以评估Hb,EPO,PTH,FGF23,,酸盐之间的关系,以及PTH和FGF23对Hb的影响.
主要成果:
- 在PHPT患者中,贫血患病率从基线9.9%降至PTX六个月后的2.7%.
- 虽然EPO水平保持稳定,但PTH,FGF23和水平在PTX后显著下降.
- FGF23与Hb负相关,与手术前的EPO正相关,多变量模型显示FGF23与Hb下降有显著的关联,而PTH与Hb或EPO没有相关.
结论:
- 在PHPT中,贫血与FGF23水平升高显著相关.
- 通过可能涉及EPO耐药性的机制,FGF23的升高可能导致PHPT中的贫血.
- 副甲状腺切除术导致贫血的改善,强调了副甲状腺功能障碍症和相关激素变化的作用.
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