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Preston, R.J.* ; Rühm, W. ; Azzam, E.I.* ; Boice, J.D.* ; Bouffler, S.* ; Held, K.D.* ; Little, M.P.* ; Shore, R.E.* ; Shuryak, I.* ; Weil, M.M.*

Adverse outcome pathways, key events, and radiation risk assessment.

Int. J. Radiat. Biol., DOI: 10.1080/09553002.2020.1853847 (2020)
Verlagsversion DOI
Open Access Green: Postprint online verfügbar 12/2021

The overall aim of this contribution to the 'Second Bill Morgan Memorial Special Issue' is to provide a high-level review of a recent report developed by a Committee for the National Council on Radiation Protection and Measurements (NCRP) titled 'Approaches for Integrating Information from Radiation Biology and Epidemiology to Enhance Low-Dose Health Risk Assessment'. It derives from previous NCRP Reports and Commentaries that provide the case for integrating data from radiation biology studies (available and proposed) with epidemiological studies (also available and proposed) to develop Biologically-Based Dose-Response (BBDR) models. In this review, it is proposed for such models to leverage the adverse outcome pathways (AOP) and key events (KE) approach for better characterizing radiation-induced cancers and circulatory disease (as the example for a noncancer outcome). The review discusses the current state of knowledge of mechanisms of carcinogenesis, with an emphasis on radiation-induced cancers, and a similar discussion for circulatory disease. The types of the various informative BBDR models are presented along with a proposed generalized BBDR model for cancer and a more speculative one for circulatory disease. The way forward is presented in a comprehensive discussion of the research needs to address the goal of enhancing health risk assessment of exposures to low doses of radiation. The use of an AOP/KE approach for developing a mechanistic framework for BBDR models of radiation-induced cancer and circulatory disease is considered to be a viable one based upon current knowledge of the mechanisms of formation of these adverse health outcomes and the available technical capabilities and computational advances. The way forward for enhancing low-dose radiation risk estimates will require there to be a tight integration of epidemiology data and radiation biology information to meet the goals of relevance and sensitivity of the adverse

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Publikationstyp Artikel: Journalartikel
Dokumenttyp Review
Schlagwörter Adverse outcome pathways; cancer; circulatory disease; key events; radiation risk assessment; Dose-rate; Cancer; Hallmarks; Exposure; Carcinogenesis; Model; Integration
ISSN (print) / ISBN 0955-3002
e-ISSN 1362-3095
Verlag Informa Healthcare
Verlagsort 2-4 Park Square, Milton Park, Abingdon Or14 4rn, Oxon, England
Begutachtungsstatus Peer reviewed
Förderungen Intramural Research Program of the National Institutes of Health, the National Cancer Institute, Division of Cancer Epidemiology and Genetics
National Institutes of Health
National Aeronautics and Space Administration
US Department of Energy Low Dose Research program
Centers for Disease Control and Prevention (CDC)