拉索病症和心脏表现
Nazia Hilal1,2,3, Zi Chen2,4, Ming Hui Chen2,5
1Division of Genetics and Genomics, Department of Pediatrics, Boston Children's Hospital, Boston, MA, United States.
Frontiers in cardiovascular medicine
|August 2, 2023
概括
拉斯蛋白质作为开/关开关,但突变导致拉斯病变,导致发育障碍和心脏病. 了解RAS调节是诊断和治疗这些复杂遗传综合征的关键.
科学领域:
- 分子生物学分子生物学
- 遗传学 遗传学 是一个
- 发展生物学 发展生物学
背景情况:
- 拉斯蛋白质作为二进制开关,在启动/关闭状态之间循环进行细胞信号传输.
- 在RAS或其调节者的突变导致构成性激活,导致癌症和RASopathies等疾病.
- RAS/MAPK通路基因对于细胞周期,增殖,分化,生长和新陈代谢至关重要.
研究的目的:
- 为了阐明RAS蛋白的调节机制.
- 澄清RASopathies与心血管疾病 (如心肌病和先天性心脏病) 之间的联系.
- 解决RAS/MAPK综合征中遗传异质性和等位基因所带来的诊断挑战.
主要方法:
- 对RAS蛋白调节和RAS病症的现有文献的综述.
- 分析与RAS/MAPK路径突变相关的遗传数据.
- 在RASopathy患者中检查临床表现,包括心血管缺陷.
主要成果:
- 由RAS/MAPK通路中的生殖基因突变引起的RAS病变,影响1000-2500名儿童中的1名.
- 综合征包括努南综合征,心肌皮肤综合征,科斯特洛综合征和子综合征.
- 拉索病常常与心肌病和先天性心脏病有关,尽管证据仍在不断发展.
结论:
- 尽管取得了进展,但RAS蛋白的精确调节机制仍然不完全理解.
- 遗传复杂性和等位基因使得RAS/MAPK相关疾病的诊断变得复杂.
- 在大量RAS病患者中,未确定的因果基因仍然存在,这凸显了进一步研究的必要性.
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