(Single-stranded DNA) gaps in understanding BRCAness.

IF 13.6 2区 生物学 Q1 GENETICS & HEREDITY Trends in Genetics Pub Date : 2024-09-01 Epub Date: 2024-05-23 DOI:10.1016/j.tig.2024.04.013
Anne Schreuder, Tiemen J Wendel, Carlo G V Dorresteijn, Sylvie M Noordermeer
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Abstract

The tumour-suppressive roles of BRCA1 and 2 have been attributed to three seemingly distinct functions - homologous recombination, replication fork protection, and single-stranded (ss)DNA gap suppression - and their relative importance is under debate. In this review, we examine the origin and resolution of ssDNA gaps and discuss the recent advances in understanding the role of BRCA1/2 in gap suppression. There are ample data showing that gap accumulation in BRCA1/2-deficient cells is linked to genomic instability and chemosensitivity. However, it remains unclear whether there is a causative role and the function of BRCA1/2 in gap suppression cannot unambiguously be dissected from their other functions. We therefore conclude that the three functions of BRCA1 and 2 are closely intertwined and not mutually exclusive.

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(单链 DNA)在理解 BRCAness 方面存在差距。
BRCA1 和 BRCA2 对肿瘤的抑制作用被归结为三种看似不同的功能--同源重组、复制叉保护和单链 (ss) DNA 间隙抑制--它们的相对重要性还在争论中。在这篇综述中,我们研究了 ssDNA 间隙的起源和解决方法,并讨论了在理解 BRCA1/2 在间隙抑制中的作用方面的最新进展。大量数据表明,BRCA1/2缺陷细胞中的间隙积累与基因组不稳定性和化疗敏感性有关。然而,是否存在因果关系仍不清楚,BRCA1/2 在间隙抑制中的功能也不能明确地从它们的其他功能中分离出来。因此,我们得出结论,BRCA1 和 2 的三种功能密切相关,并不相互排斥。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Trends in Genetics
Trends in Genetics 生物-遗传学
CiteScore
20.90
自引率
0.90%
发文量
160
审稿时长
6-12 weeks
期刊介绍: Launched in 1985, Trends in Genetics swiftly established itself as a "must-read" for geneticists, offering concise, accessible articles covering a spectrum of topics from developmental biology to evolution. This reputation endures, making TiG a cherished resource in the genetic research community. While evolving with the field, the journal now embraces new areas like genomics, epigenetics, and computational genetics, alongside its continued coverage of traditional subjects such as transcriptional regulation, population genetics, and chromosome biology. Despite expanding its scope, the core objective of TiG remains steadfast: to furnish researchers and students with high-quality, innovative reviews, commentaries, and discussions, fostering an appreciation for advances in genetic research. Each issue of TiG presents lively and up-to-date Reviews and Opinions, alongside shorter articles like Science & Society and Spotlight pieces. Invited from leading researchers, Reviews objectively chronicle recent developments, Opinions provide a forum for debate and hypothesis, and shorter articles explore the intersection of genetics with science and policy, as well as emerging ideas in the field. All articles undergo rigorous peer-review.
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