在患有新生儿糖尿病的个体中,致病性PDX1变体引起的表型谱的扩大
Nicola Jeffery1, Omar Al Nimri1, Jayne A L Houghton2
1Department of Clinical and Biomedical Sciences, University of Exeter Faculty of Health and Life Sciences, Exeter, UK.
BMJ open diabetes research & care
|November 14, 2024
概括
双性PDX1变种可以导致新生儿糖尿病 (NDM),有或没有外分泌功能不充分. 这项研究发现,这些变体通常具有胰腺外特征,表明是NDM的综合征形式.
科学领域:
- 遗传学和发育生物学
- 内分泌学和新陈代谢学
背景情况:
- PDX1基因中的双病原体变异是孤立胰腺产生和新生儿糖尿病 (NDM) 的罕见原因.
- 在此之前,报告了17例PDX1变异导致的NDM病例,通常没有异位胰腺功能不全.
研究的目的:
- 在患有NDM的个体中研究与双性PDX1变异相关的表型变异性.
- 为了确定这个患者队列中的表皮缺陷和胰腺外特征的频率.
主要方法:
- 对19名被诊断患有NDM的个人进行了回顾性分析.
- 基因测试以确认双性致病PDX1变体.
- 临床评估外分泌功能缺陷和胰腺外表现.
主要成果:
- 在19人中,8人 (42%) 呈现出外分泌功能不足,需要酶替代疗法.
- 十二个人 (63.2%) 呈现了胰腺外特征,特别是十二指甲腺和/或肝胆病 (8个人,42%).
- 观察到的十二指肠缺陷与小鼠Pdx1废除研究一致,显示出异常的面十二指肠发育.
结论:
- 衰退的PDX1变体可以表现为NDM的综合征形式,延伸到胰腺功能障碍之外.
- 在被诊断为由PDX1变体引起的NDM的新生儿中,对胰腺外特征的临床评估至关重要.
关键词:
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