青少年患有类型1B伪低甲状腺症的生长激素缺乏症
Sabitha Sasidharan Pillai1,2, Monica Reyes3, Harald Jüppner3
1Division of Pediatric Endocrinology, Hasbro Children's Hospital, Providence, RI 02903, USA.
JCEM case reports
|August 28, 2024
概括
20UPD染色体的青少年1B类型的伪低甲状腺症 (PHP1B) 与生长激素 (GH) 缺乏有关. 在这种罕见的情况下,用人类GH治疗改善了生长速度.
科学领域:
- 内分泌学 在内分泌学.
- 遗传学 遗传学 是一个
- 儿科 儿科 儿科
背景情况:
- 伪低甲状腺症1B型 (PHP1B) 是一种罕见的遗传性疾病.
- 父亲单亲染色体20异构 (patUPD20) 是已知的PHP1B的原因之一.
- 在儿童中,生长激素 (GH) 缺乏可以表现为身高矮和生长速度减缓.
研究的目的:
- 报告一个因patUPD20.20而患有PHP1B的青少年的GH缺乏病例.
- 调查PHP1B和GHGH耐药性之间的潜在联系.
- 评估GH治疗在这些患者中的疗效.
主要方法:
- 基因工作包括GNAS和STX16的测序,甲基化敏感多重结依赖的探头放大,以及对20号染色体的微卫星标记分析.
- 测量激素水平 (,酸盐,副甲状腺激素,GH).
- 增长评估包括身高,骨龄和生长速度.
主要成果:
- 由于patUPD20的PHP1B的诊断证实在一个11岁的男性肥胖,发育迟缓,低血和高血.
- 患者体型矮小,生长速度减慢,刺激后GH度峰值不足.
- 用,维生素D类似物和复合人体GH治疗改善了低血症和生长速度.
结论:
- 由于GHGH耐药性的生长激素缺乏症可以在PHP1B中发生.
- 患有PHP1B的青少年体型矮小,生长速度减慢,应对GH缺乏进行评估.
- 重组人体GH治疗可能有助于改善这些患者的生长速度.
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