Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance

Obesity and malnutrition are subjected to comprehensive studies as risk factors in the pathogenesis of colorectal cancer (CRC). Nevertheless, the most recent scientific evidence revealed that a number of issues associated with risk impact processes remain to be clarified. The aim of the current revi...

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Main Author: Racho RIBAROV
Format: Article
Language:English
Published: Balkan Medical Union 2020-12-01
Series:Archives of the Balkan Medical Union
Subjects:
Online Access:https://umbalk.org/obesity-and-malnutrition-risk-factors-in-prediagnostic-and-later-phases-of-colorectal-cance/
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author Racho RIBAROV
author_facet Racho RIBAROV
author_sort Racho RIBAROV
collection DOAJ
description Obesity and malnutrition are subjected to comprehensive studies as risk factors in the pathogenesis of colorectal cancer (CRC). Nevertheless, the most recent scientific evidence revealed that a number of issues associated with risk impact processes remain to be clarified. The aim of the current review is to discuss the action mechanisms of obesity and malnutrition, their effect in the prediagnosis and later phases of CRC, with emphasis on concomitant oxidative stress. The relationship obesity-CRC is considered in three aspects: low-grade inflammation and role of adipocytokines, development of metabolic syndrome, lipid peroxidation and oxidative stress. Malnutrition effect is discussed in two aspects – metabolic dysregulation and oxidative stress. Data are presented on the specificity of action of the two risk factors referring to the periods of disease course. Oxidative stress is a characteristic indicator of obesity, malnutrition and CRC. This fact enables us to recommend its inclusion together with nutritional status indicators in CRC screening.
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spelling doaj.art-e3db977d8c564efc9cbb650080d47b622022-12-21T22:09:12ZengBalkan Medical UnionArchives of the Balkan Medical Union1584-92442558-815X2020-12-01554661666https://doi.org/10.31688/ABMU.2020.55.4.13Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal canceRacho RIBAROV0Department of “Preventive Medicine“, Faculty of Public Health, Medical University – Sofia, BulgariaObesity and malnutrition are subjected to comprehensive studies as risk factors in the pathogenesis of colorectal cancer (CRC). Nevertheless, the most recent scientific evidence revealed that a number of issues associated with risk impact processes remain to be clarified. The aim of the current review is to discuss the action mechanisms of obesity and malnutrition, their effect in the prediagnosis and later phases of CRC, with emphasis on concomitant oxidative stress. The relationship obesity-CRC is considered in three aspects: low-grade inflammation and role of adipocytokines, development of metabolic syndrome, lipid peroxidation and oxidative stress. Malnutrition effect is discussed in two aspects – metabolic dysregulation and oxidative stress. Data are presented on the specificity of action of the two risk factors referring to the periods of disease course. Oxidative stress is a characteristic indicator of obesity, malnutrition and CRC. This fact enables us to recommend its inclusion together with nutritional status indicators in CRC screening.https://umbalk.org/obesity-and-malnutrition-risk-factors-in-prediagnostic-and-later-phases-of-colorectal-cance/colorectal cancerobesitymalnutritionoxidative stress
spellingShingle Racho RIBAROV
Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance
Archives of the Balkan Medical Union
colorectal cancer
obesity
malnutrition
oxidative stress
title Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance
title_full Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance
title_fullStr Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance
title_full_unstemmed Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance
title_short Obesity and malnutrition – risk factors in prediagnostic and later phases of colorectal cance
title_sort obesity and malnutrition risk factors in prediagnostic and later phases of colorectal cance
topic colorectal cancer
obesity
malnutrition
oxidative stress
url https://umbalk.org/obesity-and-malnutrition-risk-factors-in-prediagnostic-and-later-phases-of-colorectal-cance/
work_keys_str_mv AT rachoribarov obesityandmalnutritionriskfactorsinprediagnosticandlaterphasesofcolorectalcance