NEDD8-conjugating enzyme E2 UBE2F confers radiation resistance by protecting lung cancer cells from apoptosis

NEDD8-conjugating enzyme E2 UBE2F confers radiation resistance by protecting lung cancer cells from apoptosis
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NEDD8 结合酶 E2 UBE2F 通过保护肺癌细胞免于凋亡而赋予辐射抗性

DOI:
10.1631/jzus.b2100170
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发表时间:
2021-11
期刊:
Journal of Zhejiang University. Science B, Biomedicine & Biotechnology
影响因子:
--
通讯作者:
Zhu Yingying
Zhu Yingying
中科院分区:
其他
文献类型:
--
作者:
Zhou Lisha;Dong Changsheng;Xu Zhuoming;Wang Xinran;Zhang Luyi;Chen Siyuan;Chen Jiahao;Zhu Yingying

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由于环境污染和烟草使用而加剧的肺癌已成为全球癌症相关死亡的最常见原因,五年总生存率仅为19%(Siegel et al.,2020年; Yang等人,2020; Yu和Li,2020)。近85%的肺癌是非小细胞肺癌,其中肺腺癌是最常见的亚型,占非小细胞肺癌病例的50%。目前,放射治疗是不同阶段肺癌的主要治疗方式,显著延长了生存时间(Hirsch et al.,2017年; Bai等人,2019年; Shi等人,2020年)。辐照可通过水和氧的辐解反应产生活性氧物质(ROS),引起DNA损伤和氧化应激,并随后导致癌细胞死亡(Kim等人,2019年)。然而,由于局部复发和远处转移,放射抗性严重阻碍了肺癌治疗的成功(Huang等人,2021年)。与小细胞肺癌相比,非小细胞肺癌对放疗表现出更大的耐受性。因此,阐明放射抵抗的关键机制并鉴定有效的放射增敏剂对提高患者生存率具有重要意义。
Lung cancer, which is exacerbated by environmental pollution and tobacco use, has become the most common cause of cancer-related deaths worldwide, with a five-year overall survival rate of only 19% (Siegel et al., 2020; Yang et al., 2020; Yu and Li, 2020). Nearly 85% of lung cancers are non-small cell lung cancers, of which lung adenocarcinoma is the most common subtype accounting for 50% of non-small cell lung cancer cases. At present, radiotherapy is the primary therapeutic modality for lung cancer at different stages, with significant prolongation of survival time (Hirsch et al., 2017; Bai et al., 2019; Shi et al., 2020). Irradiation can generate reactive oxygen species (ROS) through the radiolysis reaction of water and oxygen, cause DNA damage and oxidative stress, and subsequently result in cancer cell death (Kim et al., 2019). Nevertheless, radioresistance seriously hinders the success of treatment for lung cancer, owing to local recurrence and distant metastasis (Huang et al., 2021). Compared with small cell lung cancer, non-small cell lung cancer shows more tolerance to radiotherapy. Therefore, it is of great importance to decipher key mechanisms of radioresistance and identify effective molecular radiosensitizers to improve patient survival.
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