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LRP6β-螺旋不稳定:牙代理中的新变体,表型和诊断影响

Narin Intarak¹, Tohid Ghasemnejad², Kausar Sadia Fakhruddin³

¹Center of Excellence in Precision Medicine and Digital Health, Department of Physiology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.

International dental journal

|January 8, 2026

概括

在LRP6的遗传变异与小牙 (先天性牙产生) 有关. 这项研究对泰国患者进行了鉴定,揭示了新的LRP6变异,并扩大了已知的表型谱,澄清了基因型-表型相关性.

科学领域:

遗传学遗传学是一个
发展生物学发展生物学
口腔健康口腔健康

背景情况:

寡牙症,即先天缺少多颗永久牙,通常与低密度脂蛋白受体相关蛋白6 (LRP6) 变体有关.
在LRP6研究中了解基因型-表型相关性和不同族群的代表性是有限的.

研究的目的:

以分子和临床的特征LRP6变体在泰国个人的牙发育.
对已公布的LRP6变种病例进行范围审查.
为了完善对LRP6在牙发育中的基因型-表型相关性的理解.

主要方法:

泰国家庭的案例系列分析使用外体序列测序和3D蛋白质建模.
通过计算结构预测进行功能验证.
在PRISMA-ScR指导下对LRP6变体研究进行范围审查 (2005-2025年).

主要成果:

发现了一种新型异构合的新型错误变体,p.Asp411Tyr,它破坏了LRP6β-螺旋域的稳定.
泰国探测器扩大了LRP6-关联牙发生的已知表型和基因型谱,包括罕见的外皮特征.
一项对20项研究的审查证实了LRP6β-螺旋领域的变异聚类,主要是具有可变透率的自体主导遗传.

结论:

在牙发育过程中,LRP6是一个重要的突变热点.
与LRP6相关的牙生殖表现出可变的表型表现力和透度.
这项研究增强了对LRP6在不同人群中牙产生过程中的作用的理解.

关键词:

案例报告案例报告获得医疗保健的机会.在LRP6中使用LRP6.形牙科 (Oligodontia) 是一种形牙科.牙产生过程中的牙.没有信号发送.这是一个β螺旋.

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