Systematic review examines HIF-1α role in digestive system inflammation and cancer

This systematic review synthesized existing literature on the regulatory networks and molecular mechanisms of HIF-1α in digestive system pathologies. The review examined HIF-1α's role across inflammatory conditions including periodontitis, eosinophilic esophagitis, viral hepatitis, pancreatitis, and inflammatory bowel disease, and its expression patterns in esophageal, gastric, pancreatic, hepatocellular, and colorectal cancers.

The analysis found HIF-1α plays a pivotal role in the pathogenesis of these inflammatory diseases. In gastrointestinal malignancies, HIF-1α promotes tumor cell proliferation, invasion, and drug resistance while remodeling the tumor microenvironment to regulate immune responses. The review also noted HIF-1α drives formation of an immunosuppressive microenvironment, potentially influencing immunotherapy efficacy.

No safety, tolerability, or adverse event data were reported as this was a review of mechanistic studies rather than clinical trials. The authors acknowledge this review provides theoretical foundations and strategic insights for targeted therapies and immune interventions but contains no clinical trial data, patient outcomes, or treatment efficacy metrics. Key limitations include the absence of original data, effect sizes, statistical measures, and specific population details.

For clinical practice, this evidence remains preliminary and mechanistic. The associations described should be interpreted cautiously as this review alone makes no causal claims. The findings may inform future research directions but do not currently support specific clinical interventions.