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Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying...
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Related Experiment Video

Updated: Mar 26, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
10:31

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

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Epigenetic memory in kidney diseases.

Imari Mimura1

  • 1Division of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan.

Kidney International
|January 26, 2016
PubMed
Summary

High glucose levels increase inflammation by altering epigenetic marks, upregulating the TXNIP gene. Inhibiting histone acetyltransferase offers a potential therapy for diabetic kidney disease.

Area of Science:

  • Epigenetics
  • Molecular Biology
  • Nephrology

Background:

  • Epigenetic mechanisms are crucial in cellular regulation and disease.
  • Diabetic kidney disease (DKD) involves complex molecular pathways.
  • Thioredoxin-interacting protein (TXNIP) is implicated in inflammation and kidney damage.

Purpose of the Study:

  • To investigate the role of high glucose in epigenetic modifications.
  • To determine the effect of glucose on TXNIP gene expression.
  • To explore potential therapeutic targets for DKD based on epigenetic modulation.

Main Methods:

  • Analysis of activation histone marks under high glucose conditions.
  • Assessment of TXNIP gene expression.
  • Inhibition of histone acetyltransferase activity.

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Main Results:

  • High glucose levels stimulate activation histone marks.
  • This stimulation leads to increased TXNIP gene expression and inflammation.
  • Inhibition of histone acetyltransferase reversed these effects.

Conclusions:

  • Epigenetic modifications, specifically histone marks, are influenced by glucose levels.
  • TXNIP upregulation by high glucose contributes to inflammation in DKD.
  • Histone acetyltransferase inhibition presents a promising therapeutic strategy for DKD.