ACSL4 predicts rapid kidney function decline in patients with diabetic kidney disease

  • 0Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China.

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Summary

This summary is machine-generated.

Elevated long-chain fatty acid CoA ligase 4 (ACSL4) in kidney tubules predicts rapid kidney function decline in diabetic kidney disease (DKD) patients. This enzyme may serve as a novel biomarker for DKD progression.

Area Of Science

  • Nephrology
  • Biochemistry
  • Pathology

Background

  • Diabetic kidney disease (DKD) pathogenesis involves ferroptosis in kidney tubular epithelial cells.
  • Increased long-chain fatty acid CoA ligase 4 (ACSL4) promotes ferroptosis.
  • The role of renal tubular ACSL4 in DKD patient kidney outcomes remains unclear.

Purpose Of The Study

  • To investigate the predictive value of ACSL4 in renal tubules for rapid kidney function decline in DKD patients.
  • To explore the association between ACSL4 expression and clinical characteristics in DKD.
  • To determine if ACSL4 can serve as a novel pathological biomarker for DKD progression.

Main Methods

  • Retrospective cohort study of 72 biopsy-proven DKD patients and 12 controls.
  • Immunohistochemistry to measure tubular ACSL4 expression in renal biopsies.
  • Analysis of associations between ACSL4 levels, clinical factors, and estimated glomerular filtration rate (eGFR) slope over 23 months.

Main Results

  • Tubular ACSL4 expression was significantly higher in DKD patients than controls.
  • ACSL4 positively correlated with proteinuria and negatively with albumin and hemoglobin.
  • Higher baseline ACSL4 levels were significantly associated with a faster decline in kidney function (eGFR slope).

Conclusions

  • Tubular ACSL4 expression is linked to rapid kidney function decline in DKD.
  • ACSL4 may represent a novel pathological biomarker for predicting DKD progression.

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