Analysis of Modification of Liver Proteome in Diabetic Rats by 2D Electrophoresis and MALDI-TOF-MS.

Indian J Clin Biochem

Department of Biotechnology, Faculty of Biotechnology, PRIST University, Thanjavur, 613 403 Tamil Nadu India.

Published: July 2012

AI Article Synopsis

  • Uncontrolled hyperglycemia can damage cell structures and organ functions, prompting a study on the effects of the anti-diabetic herb Cynodon dactylon on rat liver proteins related to diabetes.
  • Rats were induced with diabetes using alloxan and treated with leaf extracts of C. dactylon, and their liver proteins were analyzed using advanced techniques like 2D electrophoresis and mass spectrometry.
  • The study identified three key proteins that were up-regulated in diabetic rats, which play important roles in processes like cell growth and glucose metabolism, providing insight into the molecular mechanisms affecting liver function in diabetes.

Article Abstract

The uncontrolled hyperglycemia can lead to disturbances in the cell structure and functions of organs. This study was performed to analyze the "differential proteome" change in rat liver associated with diabetes mellitus in relation to effects of an anti-diabetic herb, Cynodon dactylon leaf extracts. Rats were intraperitoneally injected with alloxan (150 mg/kg/bw) and treated with C. dactylon leaf extracts (450 mg/kg/bw/day/orally). The liver proteins were subjected to proteome analysis using the advanced technologies i.e., 2D electrophoresis (2-DE) and mass spectrometry. Comparison of 2-DE protein distribution profiles among the livers from normal, alloxan-induced diabetic rats and alloxan-induced diabetic rats treated with C. dactylon leaves identified three proteins that were up-regulated in alloxan-induced diabetic rats i.e., nucleophosmin, l-xylulose reductase and carbonic anhydrase III which are known to be mainly involved in ribosome biogenesis, centrosome duplication, cell proliferation, tumor suppression, glucose metabolism, osmo-regulation, water-CO2 balance and acid-base balance. These results help us to understand the elucidation of molecular mechanism connected to liver function and insulin associated with diabetes mellitus. These identified proteins were primarily involved in cell proliferation and homoeostasis of liver tissues upon the treatment with C. dactylon leaf extracts.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4577502PMC
http://dx.doi.org/10.1007/s12291-012-0209-8DOI Listing

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