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新的SOX10内尔突变通过肌化基因程序的受损交换激活驱动斯万诺玛

Erik A Williams¹, Ajay Ravindranathan¹, Rohit Gupta¹

¹Department of Pathology, University of California, San Francisco, San Francisco, California, USA.

|July 12, 2023

概括

新的SOX10突变驱动了一个独特的s schwannoma亚型. 这些突变损害了不成熟的施万细胞的分化,为外围神经膜瘤的发展提供了新的见解.

科学领域:

在瘤学瘤学.
遗传学遗传学是一个
分子生物学分子生物学

背景情况:

施瓦诺瘤是常见的外围神经膜瘤,具有显著的发病率.
异常的RAS信号传递是可疑的驱动因素,但分子致病性需要进一步定义.

研究的目的:

为了定义 schwannomas 的分子病原性.
为了识别零星的 schwannomas 新的遗传变异.

主要方法:

综合的基因组和DNA甲基化概况96个人类 schwannomas.
功能性研究包括RNA测序和染色体免疫沉-DNA测序在具有SOX10变异的质细胞模型中.

主要成果:

几乎三分之一的零星性斯瓦诺瘤缺乏已知的变化,并携带新的SOX10插入/删除 (indel) 突变.
SOX10中基因突变在非阴道神经神经瘤中丰富,在NF2突变的阴道神经瘤中不存在.
突变SOX10保留了DNA结合,但显示了质分化和髓化基因的交换活化受损.

结论:

在SOX10中发生的突变代表了斯瓦诺瘤的一个独特的亚型.
这些突变可能会阻碍不成熟的施万细胞分化,导致瘤形成.

关键词:

在PMP2中使用PMP2.在SOX1010中,SOX10是什么?施万的细胞是什么?骨髓化骨髓化斯瓦诺马斯克人的一个问题.

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相关概念视频

Pleiotropy

Pleiotropy

Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...