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Revista Cubana de Investigaciones Biomédicas
versão On-line ISSN 1561-3011
Resumo
PINOL JIMENEZ, Felipe Neri et al. Association between high bile acid levels and digestive cancer. Rev Cubana Invest Bioméd [online]. 2021, vol.40, n.1 Epub 01-Abr-2021. ISSN 1561-3011.
Introduction:
In non-physiological conditions, bile acids (BA) are considered to be endogenous inflammatory-carcinogenic agents causing alterations in plasma membranes, mitochondria, DNA, genes and epithelial cell apoptosis.
Objective:
Describe the association between high bile acid levels in the intestinal lumen and the inflammation-cancer sequence, expressed as inflammatory premalignant and malignant lesions of the digestive tract.
Methods:
A systematic critical review was conducted of the evidence about biomolecular mechanisms associated to high bile acid levels in the intestinal lumen and the inflammation-carcinogenesis sequence published in the databases PubMed, Medline, SciELO, LILACS and Elsevier in the period 2015-2020, laying the theoretical and metabolomic foundations of that sequence.
Results:
Bile acids display toxic activity in the inflammation-cancer sequence of the digestive tract, since control is lost of its homeostasis or the anatomical-functional integrity of the hepato-vesicular-biliary-intestinal system.
Conclusions:
The cellular and biomolecular mechanisms triggered by high bile acid levels provide a context for the genesis of the inflammation-cancer sequential process and its interaction with the classic, genetic and epigenetic risk factors recognized as a new pathophysiological paradigm of digestive cancer.
Palavras-chave : bile acids; inflammation-cancer; digestive cancer.