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:: Volume 19, Issue 4 (10-2021) ::
Int J Radiat Res 2021, 19(4): 759-769 Back to browse issues page
How to deal with the relationship between hypoxia and radiotherapy in the hypofractionated radiotherapy era?
H.Q. Gao, Y.Z. Wan, X.M. Bu, X.Y. Fan, X.X. Xie, X.N. Ji, W. Song
Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan Shandong 250021, China , tougao13406738582@126.com
Abstract:   (389 Views)
Hypoxia, a common phenomenon in solid tumors can promote dysfunctional vascular growth and epithelial-to-mesenchymal transition, leading to cell mobility and metastasis. The decreased sensitivity of hypoxic tumor cells to ionizing radiation is one of the main factors affecting the effect of conventional radiotherapy. It is well known that conventional radiotherapy mainly reduces the effect of hypoxic radiation resistance by reoxygenation between fractions. With the improvement of radiation treatment planning and delivery, more and more cancer patients have been treated with hypofractionated radiotherapy (HFRT), which have achieved a much higher effect than conventional radiotherapy. Given that HFRT is delivered within one or a few fractions, does tumor hypoxia affect its efficacy? Is there any way to further improve the effect of HFRT? In this review, we focus on the interaction between HFRT and hypoxia, and how to optimize the regimen of HFRT to decrease the effect of hypoxia and improve the efficacy is discussed in detail.
Keywords: Hypoxia, hypofractionated radiotherapy, radiobiology, fractionation schedules.
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Type of Study: Review article | Subject: Radiation Biology
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Gao H, Wan Y, Bu X, Fan X, Xie X, Ji X et al . How to deal with the relationship between hypoxia and radiotherapy in the hypofractionated radiotherapy era?. Int J Radiat Res. 2021; 19 (4) :759-769
URL: http://ijrr.com/article-1-3937-en.html


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Volume 19, Issue 4 (10-2021) Back to browse issues page
International Journal of Radiation Research
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