Y染色体在癌症中的丢失

IF 29 1区 生物学 Q1 GENETICS & HEREDITY
Safia Danovi
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引用次数: 0

摘要

男性癌症患者的Y染色体缺失与预后不良有关,但其原因尚不清楚。通过结合小鼠模型和人类肿瘤的单细胞RNA测序分析,Chen等人得出了有趣的观察结果,即LOY上皮肿瘤通常发生在浸润性非转化免疫细胞(特别是CD4+和CD8+ T细胞)也丢失了Y染色体拷贝的微环境中。具有LOY的肿瘤浸润性T细胞表现出通常与弱抗肿瘤活性相关的特征。总之,这些数据表明,恶性细胞和近端免疫细胞中伴随的LOY产生了一种免疫抑制环境,有利于肿瘤的侵袭性生长和患者的不良预后。也许这项研究中最引人入胜的问题之一是LOY是如何协调发生的。另一个问题是,考虑到传统上认为基因贫乏的小Y染色体的功能仅限于男性发育,LOY是如何改变免疫细胞活性的。这些问题需要回答,但目前,这项研究提供了一个有趣的例子,说明恶性细胞和免疫细胞之间的相互作用可以影响疾病的结果。原始参考文献:Nature https://doi.org/10.1038/s41586-025-09071-2 (2025)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Y chromosome loss in cancer
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来源期刊
Nature genetics
Nature genetics 生物-遗传学
CiteScore
43.00
自引率
2.60%
发文量
241
审稿时长
3 months
期刊介绍: Nature Genetics publishes the very highest quality research in genetics. It encompasses genetic and functional genomic studies on human and plant traits and on other model organisms. Current emphasis is on the genetic basis for common and complex diseases and on the functional mechanism, architecture and evolution of gene networks, studied by experimental perturbation. Integrative genetic topics comprise, but are not limited to: -Genes in the pathology of human disease -Molecular analysis of simple and complex genetic traits -Cancer genetics -Agricultural genomics -Developmental genetics -Regulatory variation in gene expression -Strategies and technologies for extracting function from genomic data -Pharmacological genomics -Genome evolution
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