Human study · Research · 20 Oct 2026
In more than 4,600 patients, fatty liver disease split into five subtypes with different complication risks
Source: Mayo Clinic / Nature Communications
What the research found
Study (genomic and records analysis). Shulan Tian, Eric Klee, and colleagues at Mayo Clinic, with Virginia Tech, report in Nature Communications (2026; 17; DOI 10.1038/s41467-026-77410-6). ScienceDaily ran it on 18 Oct 2026. Metabolic dysfunction-associated steatotic liver disease, or MASLD, is described as affecting nearly 30 percent of adults worldwide. Using genetic sequencing and medical records from more than 4,600 people with MASLD, the team found five biological subtypes. Some track with obesity and diabetes. Others look genetic and were tied to a higher chance of advanced liver damage even without the usual metabolic risks. The records also linked some subtypes with depression, sleep apnea, and migraine, and the broader disease is tied to heart disease, liver failure, and cancer risk. Those links are associations, not proof of cause. The authors say the genetic forms may need different follow-up. The public summary does not give the age or sex split. Not medical advice.
Evidence level: Human study. A study in people, but an association isn't proof of cause.
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