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RNA methylation in acute kidney injury: opening up new therapeutic avenues

Volker H Haase1

  • 1Medical and Research Services, Department of Veterans Affairs Hospital, Tennessee Valley Healthcare System, Nashville, Tennessee, USA; Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.

Kidney International
|February 21, 2026
PubMed

Insights

Epithelial methyltransferase-like 1 promotes kidney injury by affecting RNA guanosine methylation. Targeting the methyltransferase-like 1/TEA domain transcription factor 2 pathway may protect against acute kidney injury.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Nephrology

Background:

  • RNA methylation regulates critical cellular functions, including stress responses and differentiation.
  • Acute kidney injury (AKI) involves complex cellular and molecular mechanisms.
  • The role of specific RNA methyltransferases in AKI pathogenesis is an emerging area of research.

Purpose of the Study:

  • To investigate the role of epithelial methyltransferase-like 1 (MT1) in acute kidney injury.
  • To elucidate the molecular mechanisms by which MT1 contributes to kidney damage.
  • To identify potential therapeutic targets for renoprotection.

Main Methods:

  • The study focused on epithelial methyltransferase-like 1, an enzyme that methylates RNA guanosine residues.
  • Investigated the impact of MT1 on mitochondrial function, tubular injury, and inflammation in AKI models.
  • Examined the interaction between MT1 and TEA domain transcription factor 2 (TEF2).

Main Results:

  • Epithelial MT1 was found to promote mitochondrial dysfunction, tubular injury, and inflammation in AKI.
  • MT1 increases the activity of TEF2 through RNA methylation.
  • The MT1/TEF2 signaling axis plays a significant role in AKI pathogenesis.

Conclusions:

  • The MT1/TEF2 axis is a key driver of kidney damage in acute kidney injury.
  • Targeting this axis presents a promising therapeutic strategy for renoprotection.
  • Further research into RNA methylation in kidney disease is warranted.

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