Melatonin attenuates sepsis-induced acute kidney injury by promoting mitophagy through SIRT3-mediated TFAM deacetylation

Autophagy. 2024 Jan;20(1):151-165. doi: 10.1080/15548627.2023.2252265. Epub 2023 Aug 31.

Abstract

AKI: acute kidney injury; ATP: adenosine triphosphate; BUN: blood urea nitrogen; CLP: cecal ligation and puncture; eGFR: estimated glomerular filtration rate; H&E: hematoxylin and eosin staining; LCN2/NGAL: lipocalin 2; LPS: lipopolysaccharide; LTL: lotus tetragonolobus lectin; mKeima: mitochondria-targeted Keima; mtDNA: mitochondrial DNA; PAS: periodic acid - Schiff staining; RTECs: renal tubular epithelial cells; SAKI: sepsis-induced acute kidney injury; Scr: serum creatinine; SIRT3: sirtuin 3; TFAM: transcription factor A, mitochondrial; TMRE: tetramethylrhodamine.

Keywords: Acetylation; acute kidney injury; autophagy; critical care; post-translational modification; sepsis.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Acute Kidney Injury*
  • Autophagy
  • DNA, Mitochondrial
  • DNA-Binding Proteins
  • Humans
  • Kidney
  • Lipopolysaccharides
  • Melatonin*
  • Mitochondrial Proteins
  • Mitophagy
  • Sepsis* / complications
  • Sirtuin 3*
  • Transcription Factors

Substances

  • Sirtuin 3
  • Melatonin
  • Lipopolysaccharides
  • DNA, Mitochondrial
  • TFAM protein, human
  • DNA-Binding Proteins
  • Transcription Factors
  • Mitochondrial Proteins
  • SIRT3 protein, human

Grants and funding

This study was supported by the National Natural Science Foundation of China (grant numbers 82172175, 81871604 and 82002078), the Guangdong Basic and Applied Basic Research Foundation (grant number 2021A1515111028), the Medical Scientific Research Foundation of Guangdong Province of China (grant number A2022120), and the Innovation and entrepreneurship training program for College Students (grant number 202112121241).