Xeroderma Pigmentosum Complementation Group C (XPC): Emerging Roles in Non-Dermatologic Malignancies.

Xeroderma Pigmentosum Complementation Group C (XPC): Emerging Roles in Non-Dermatologic Malignancies.
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DOI:
10.3389/fonc.2022.846965
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发表时间:
2022
影响因子:
4.7
通讯作者:
--
中科院分区:
医学3区
文献类型:
--
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着色性干皮病互补组C(XPC)是启动全基因组核苷酸切除修复(GG-NER)所必需的DNA损伤识别蛋白。携带XPC基因生殖系突变的人类表现出对皮肤癌的强烈易感性,这是由于通过GG-NER去除遗传毒性、太阳紫外线诱导的二嘧啶光产物的缺陷。然而,越来越多的人认识到XPC对预防非皮肤癌的重要性,不仅通过其在GG-NER中的作用,而且还通过参与其他DNA修复途径,DNA损伤反应和转录调控。此外,XPC表达水平和多态性可能影响发展,并可作为许多非皮肤癌的预测和治疗生物标志物。在这里,我们回顾了现有的文献,重点是XPC在非皮肤癌的发展,进展和治疗反应中的作用,并强调XPC作为预后和治疗生物标志物的未来可能的应用。
Xeroderma pigmentosum complementation group C (XPC) is a DNA damage recognition protein essential for initiation of global-genomic nucleotide excision repair (GG-NER). Humans carrying germline mutations in the XPC gene exhibit strong susceptibility to skin cancer due to defective removal via GG-NER of genotoxic, solar UV-induced dipyrimidine photoproducts. However, XPC is increasingly recognized as important for protection against non-dermatologic cancers, not only through its role in GG-NER, but also by participating in other DNA repair pathways, in the DNA damage response and in transcriptional regulation. Additionally, XPC expression levels and polymorphisms likely impact development and may serve as predictive and therapeutic biomarkers in a number of these non-dermatologic cancers. Here we review the existing literature, focusing on the role of XPC in non-dermatologic cancer development, progression, and treatment response, and highlight possible future applications of XPC as a prognostic and therapeutic biomarker.
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