Metabolites · 2026
Metabolic Reprogramming Driven by Modifiable Lifestyle Factors in Metabolic Syndrome and Alcohol-Related Liver Disease: A Narrative Review.
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Mihăilă Daniela, Domnariu Horațiu-Paul, Moga Doru-Florian-Cornel, Domnariu Carmen-Daniela
Аннотация
BACKGROUND: Metabolic syndrome (MetS) and alcohol-related liver disease (ALD) are increasingly recognized as interconnected disorders linked by shared mechanisms of lifestyle-driven metabolic reprogramming. Alterations in systemic and hepatic metabolic pathways-including insulin signaling, lipid metabolism, mitochondrial bioenergetics, and redox homeostasis-reduce hepatic resilience to alcohol exposure and accelerate liver disease progression.
OBJECTIVE: This narrative review aims to integrate clinical, epidemiological, and mechanistic evidence published over the past two decades to examine how modifiable lifestyle factors contribute to metabolic reprogramming linking metabolic syndrome and alcohol-related liver disease with prioritization of high-level clinical evidence (cohort studies, meta-analyses, and guidelines).
KEY FINDINGS: Modifiable lifestyle exposures such as alcohol consumption, cigarette smoking, unhealthy dietary patterns, and physical inactivity converge on common metabolically mediated pathways, including insulin resistance, dysregulated lipid metabolism and lipotoxicity, mitochondrial dysfunction, oxidative stress, chronic low-grade inflammation, and gut-liver axis perturbations. These processes are reflected in altered metabolite profiles involving lipid species, bile acids, tricarboxylic acid cycle intermediates, and microbiota-derived metabolites, shaping a metabolic-hepatic continuum. Among these, alcohol consumption and metabolic dysfunction show the strongest and most consistent associations with liver disease progression, with evidence supporting synergistic rather than additive effects.
CONCLUSIONS: The coexistence of metabolic dysfunction and alcohol exposure is consistently associated with synergistic worsening of liver-related outcomes, including fibrosis progression, cirrhosis, and hepatocellular carcinoma. Recognition of metabolic alcohol-related liver disease (MetALD) underscores the need for integrated lifestyle-based strategies targeting alcohol consumption, smoking cessation, dietary quality, and physical activity to modulate shared metabolic and inflammatory pathways. A metabolically informed, systems-level approach may improve risk stratification, prevention, and management across the metabolic-hepatic continuum.
OBJECTIVE: This narrative review aims to integrate clinical, epidemiological, and mechanistic evidence published over the past two decades to examine how modifiable lifestyle factors contribute to metabolic reprogramming linking metabolic syndrome and alcohol-related liver disease with prioritization of high-level clinical evidence (cohort studies, meta-analyses, and guidelines).
KEY FINDINGS: Modifiable lifestyle exposures such as alcohol consumption, cigarette smoking, unhealthy dietary patterns, and physical inactivity converge on common metabolically mediated pathways, including insulin resistance, dysregulated lipid metabolism and lipotoxicity, mitochondrial dysfunction, oxidative stress, chronic low-grade inflammation, and gut-liver axis perturbations. These processes are reflected in altered metabolite profiles involving lipid species, bile acids, tricarboxylic acid cycle intermediates, and microbiota-derived metabolites, shaping a metabolic-hepatic continuum. Among these, alcohol consumption and metabolic dysfunction show the strongest and most consistent associations with liver disease progression, with evidence supporting synergistic rather than additive effects.
CONCLUSIONS: The coexistence of metabolic dysfunction and alcohol exposure is consistently associated with synergistic worsening of liver-related outcomes, including fibrosis progression, cirrhosis, and hepatocellular carcinoma. Recognition of metabolic alcohol-related liver disease (MetALD) underscores the need for integrated lifestyle-based strategies targeting alcohol consumption, smoking cessation, dietary quality, and physical activity to modulate shared metabolic and inflammatory pathways. A metabolically informed, systems-level approach may improve risk stratification, prevention, and management across the metabolic-hepatic continuum.