From:  Metabolic dysfunction-associated steatotic liver disease (MASLD): emerging insights into gut microbiota interactions and therapeutic perspectives

 The mechanisms and clinical status of microbical intervention for MASLD

Microbial interventions‌MechanismClinical statusRefs
Inulin
  • Enriches beneficial gut bacteria.‌

  • Enhances SCFAs production.‌

  • Improves insulin sensitivity.‌

  • Mitigates liver inflammation.

‌Inulin reduces hepatic triglycerides, enhances lipid metabolism, and demonstrates therapeutic potential.[8893]
Fructooligofructose (FOS)
  • Enriches beneficial bacteria and suppress harmful species.‌

  • ‌Alleviates liver inflammation.‌

  • ‌Strengthens intestinal barrier function.‌

  • ‌Mitigates metabolic disorders.

‌FOS serve as prebiotic supplements in food, nutraceuticals, and pharmaceuticals.[9497]
Lactobacillus
  • ‌Modulates lipid metabolism.‌

  • ‌Exerts anti-inflammatory effects.‌

  • ‌Enhances gut barrier function.‌

  • Prevents hepatocellular carcinoma (HCC).

‌Lactobacillus demonstrates clinical significance as a probiotic and therapeutic potential for MASLD management.[103107]
Akkermansia
  • ‌Secretes metabolites (SCFAs and GLP-1).‌

  • ‌Modulates immune responses.‌

  • ‌Reprograms metabolic pathways.

‌Akkermansia emerges as a next-generation probiotic candidate with therapeutic potential for MASLD and associated metabolic syndromes.[108112]
Fecal microbial transplantation (FMT)
  • ‌‌Targets dysregulated gut microbiota-hepatic metabolism interplay.‌

  • ‌Mediates effects through correcting gut dysbiosis.

‌FMT induces significant microbial composition alterations; long-term consequences remain understudied, necessitating longitudinal risk-benefit evaluation.[115120]
Traditional Chinese medicine (TCM)
  • ‌Restructures microbiota and improve metabolism.‌

  • ‌Restores intestinal barriers and protect hepatocytes.‌

  • ‌Reprograms anti-inflammatory pathways.

TCM’s “multi-component, multi-target” mechanisms exhibit high complexity; advanced omics technologies are required for mechanistic insights.[121125]
Statins
  • Alleviate lipotoxicity.‌

  • ‌Ameliorate inflammation.‌

  • ‌Address gut barrier dysfunction.

‌Statins exhibit multi-modal therapeutic effects.[126131]
Bacteriophages
  • Normalize hepatic transcriptomic profiles.‌

  • ‌Reduce pro-inflammatory cytokines.‌

  • ‌Restore lipid/carbohydrate metabolic flux.

‌Bacteriophage’s therapy (microbiome-targeted intervention): insufficient long-term safety validation.[130134]

MASLD: metabolic dysfunction-associated steatotic liver disease; SCFAs: short-chain fatty acids; GLP-1: glucagon-like peptide-1