Clinical Progress in Proton Radiotherapy: Biological Unknowns.

Clinical Progress in Proton Radiotherapy: Biological Unknowns.
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质子放射治疗的临床进展:生物未知数。

DOI:
10.3390/cancers13040604
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发表时间:
2021-02-03
期刊:
影响因子:
5.2
通讯作者:
Nuyts S
Nuyts S
中科院分区:
医学2区
文献类型:
--
作者:
Vanderwaeren L;Dok R;Verstrepen K;Nuyts S

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质子放射治疗是一种较新的放射疗法,它使用质子束代替传统的光子或x射线束。质子治疗的临床益处在于它可以更精确地治疗肿瘤。因此,质子放疗对肿瘤部位附近的健康组织的毒性较小。尽管有临床应用质子的经验,但细胞对质子辐射的反应,即放射生物学,尚不清楚。本文对质子放射生物学的最新进展作一综述。在过去的几年里,质子辐射的临床应用已经大量增加。其主要原因是有利的质子深度剂量分布,可以减少对肿瘤周围正常组织的毒性。尽管质子的临床应用经验丰富,但质子照射与光子照射后的放射生物学仍有待完全阐明。质子辐射可能导致不同的损伤和生物过程的激活。在这里,我们将从诱导活性氧、缺氧、DNA损伤反应以及质子辐照后细胞死亡和辐射抵抗等方面综述目前质子放射生物学的知识。
Proton radiation therapy is a more recent type of radiotherapy that uses proton beams instead of classical photon or X-rays beams. The clinical benefit of proton therapy is that it allows to treat tumors more precisely. As a result, proton radiotherapy induces less toxicity to healthy tissue near the tumor site. Despite the experience in the clinical use of protons, the response of cells to proton radiation, the radiobiology, is less understood. In this review, we describe the current knowledge about proton radiobiology. Clinical use of proton radiation has massively increased over the past years. The main reason for this is the beneficial depth-dose distribution of protons that allows to reduce toxicity to normal tissues surrounding the tumor. Despite the experience in the clinical use of protons, the radiobiology after proton irradiation compared to photon irradiation remains to be completely elucidated. Proton radiation may lead to differential damages and activation of biological processes. Here, we will review the current knowledge of proton radiobiology in terms of induction of reactive oxygen species, hypoxia, DNA damage response, as well as cell death after proton irradiation and radioresistance.
DOI: 10.1016/j.ijrobp.2010.09.003
发表时间: 2011-11-15
影响因子: 7
作者:
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作者:
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