Effects of ferulic acid on diabetic nephropathy in a rat model of type 2 diabetes

Ran Choi, Bo Hwan Kim, Jarinyaporn Naowaboot, Mi Young Lee, Mi Ri Hyun, Eun Ju Cho, Eun Soo Lee, Eun Young Lee, Young Chul Yang, Choon Hee Chung

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Abstract

Diabetic nephropathy is the most serious complication in diabetes mellitus. It is known that oxidative stress and inflammation play a central role in the development of diabetic nephropathy. In this study, we investigated that ferulic acid (FA) known as anti-oxidative agent could effect on diabetic nephropathy by anti-oxidative and anti-inflammatory mechanism. We examined the effects of FA in obese diabetic Otsuka Long-Evans Tokushima Fatty (OLETF) rats and non-diabetic control Long-Evans Tokushima Otsuka (LETO) rats. We treated FA to experimental rats from 26 to 45 weeks of age. We evaluated ACR, MDA and MCP-1 in 24 h urine and examined renal histopathology and morphologic change in extracted kidneys from rats. Also, we evaluated the ROS production and MCP-1 levels in cultured podocyte after FA treatment. In the FA-treated OLETF rats, blood glucose was significantly decreased and serum adiponectin levels were increased. Urinary ACR was significantly reduced in FA-treated OLETF rats compared with diabetic OLETF rats. In renal histopathology, FA-treated OLETF rats showed decreased glomerular basement membrane thickness, glomerular volume, and mesangial matrix expansion. FA treatment decreased oxidative stress markers and MCP-1 levels in 24 h urine of rats and supernatants of cultured podocyte. In conclusion, it was suggested that FA have protective and therapeutic effects on diabetic nephropathy by reducing oxidative stress and inflammation.

Original languageEnglish
Pages (from-to)676-683
Number of pages8
JournalExperimental and Molecular Medicine
Volume43
Issue number12
DOIs
Publication statusPublished - 2011 Jan 1

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All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Clinical Biochemistry

Cite this

Choi, R., Kim, B. H., Naowaboot, J., Lee, M. Y., Hyun, M. R., Cho, E. J., Lee, E. S., Lee, E. Y., Yang, Y. C., & Chung, C. H. (2011). Effects of ferulic acid on diabetic nephropathy in a rat model of type 2 diabetes. Experimental and Molecular Medicine, 43(12), 676-683. https://doi.org/10.3858/emm.2011.43.12.078