Lipids & metabolic liver disease

Associations between cuprotosis‐related genes and the spectrum of metabolic dysfunction‐associated fatty liver disease: An exploratory study

Diabetes Obes MetabPublished Exploratory bioinformatic study with genome-wide association study (GWAS) validation

Authors' conclusion

GLS may contribute to liver inflammation and fibrosis in MAFLD mainly through cuprotosis and T-cell activation, promoting the progression of MAFLD to HCC. These findings suggest that cuprotosis may play a role in MAFLD progression, potentially providing new insights into MAFLD pathogenesis.

Study context

Population
Patients across the MAFLD spectrum, including MAFLD-related hepatocellular carcinoma (HCC)
Participants
331 / 271 / 656
Comparison
MAFLD vs MAFLD-related HCC vs Wenzhou PERSONS
  • MAFLDn = 331
  • MAFLD-related HCCn = 271
  • Wenzhou PERSONSn = 656
Outcome
Associations of cuprotosis-related genes (CRGs) with the MAFLD spectrum
Methodological detailsbulk RNA sequencing datasets, single-cell RNA sequencing datasets, independent validation cohort
  • Bulk RNA sequencing datasets
  • Single-cell RNA sequencing datasets
  • Independent validation cohort

Performance

As reported in the abstract

  • GLS, GCSH and ATP7B differed significantly across the MAFLD spectrum and were significantly associated with liver fibrosis stages
  • GLS closely associated with fibrosis stages in MAFLD and MAFLD-related HCC
  • GLS predominantly expressed in monocytes and T cells in MAFLD
  • GLS expression in T cells decreased during progression from metabolic dysfunction-associated fatty liver to metabolic-associated steatohepatitis
  • GWAS: multiple SNPs in GLS associated with clinical indicators of MAFLD

Original publication

Associations between cuprotosis‐related genes and the spectrum of metabolic dysfunction‐associated fatty liver disease: An exploratory study. Diabetes Obes Metab. Published 16 September 2024. doi:10.1111/dom.15946

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