The present paper provides the first documentation and assessment of the capacity of chlorogenic acid to induce hormetic dose-response relationships. The findings suggest that chlorogenic acid may induce anabolic (i.e., growth) and catabolic (i.e., protective) hormetic dose responses in several cell types via a range of complementary and cross-talking pathways, affecting a spectrum of endpoints of biomedical and therapeutic importance. This paper also addresses the issue of whether the widely recognized beneficial effects of coffee consumption, as reported in multiple epidemiological studies, may be related to the hormetic effects of chlorogenic acid and its metabolites and their interactions. The present analysis suggests that some beneficial effects of coffee consumption may be due to the effects of chlorogenic acid and/or its metabolites on the gastrointestinal tract via their capacity to impact gastrointestinal integrity, structure, and functionality. These effects collectively contribute to the attenuation of the gastrointestinal tract and concurrent systemic oxidative stress, positively affecting a range of organ-specific effects.
Keywords: anabolic; biphasic dose response; catabolic; coffee; gut-brain health; hormesis.
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