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16 October 2019 The Radiation-Induced Bystander Effect (RIBE) and its Connections with the Hallmarks of Cancer
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Abstract

Radiation therapy is one of the pillars of cancer treatment, with approximately one half of all cancer patients receiving it as part of their standard of care. Emerging evidence indicates that the biological effects of radiation are not limited to targeted cells. The radiation-induced bystander effect (RIBE) refers to the plethora of biological phenomena occurring in nonirradiated cells as a result of signal transmission from an irradiated cell. Experimental evidence has linked RIBE to numerous hallmarks of cancer including resisting cell death, tumor immune evasion, genomic instability, deregulated cellular energetics, tumor-promoting inflammation and sustained proliferative signaling as well as enhanced radioresistance, thus highlighting the potential role of RIBE events in patient treatment response. The mechanisms underlying RIBE events in vivo are poorly understood. However, elucidating the molecular mechanisms involved in their manifestation may reveal novel therapeutic targets to improve radiation response in cancer patients.

©2019 by Radiation Research Society. All rights of reproduction in any form reserved.
Aisling B. Heeran, Helen P. Berrigan, and Jacintha O'Sullivan "The Radiation-Induced Bystander Effect (RIBE) and its Connections with the Hallmarks of Cancer," Radiation Research 192(6), 668-679, (16 October 2019). https://doi.org/10.1667/RR15489.1
Received: 12 August 2019; Accepted: 23 September 2019; Published: 16 October 2019
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