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J Diabetes Metab Disord. 2021 Feb 20;20(1):21-30. doi: 10.1007/s40200-020-00666-2. eCollection 2021 Jun.

Benfotiamine reduced collagen IV contents of sciatic nerve in hyperglycemic rats.

Journal of diabetes and metabolic disorders

Leila Vafadar Ghasemi, Morteza Behnam Rassouli, Maryam M Matin, Naser Mahdavi-Shahri

Affiliations

  1. Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Azadi Square, Mashhad, Iran.
  2. Department of Biology, Faculty of Sciences, University of Zabol, Zabol, Iran.
  3. Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran.

PMID: 34222057 PMCID: PMC8212243 DOI: 10.1007/s40200-020-00666-2

Abstract

BACKGROUND: Neuropathy as a common complication of hyperglycemia in diabetic patients is probably caused by metabolic and structural changes in extracellular matrix (ECM) of peripheral nerves. This study was designed to evaluate the effects of benfotiamine (BT) on the structural, biological and mechanical characteristics of rat sciatic nerve in hyperglycemic condition.

MATERIALS AND METHODS: Forty eight adult male Wistar rats were assigned to 6 groups (n = 8): control (healthy rats with no treatment; C), positive control (healthy rats received BT treatment; B), negative control groups 1&2 (hyperglycemic rats kept for 4 and/or 8 weeks; 4WD and 8WD, respectively) and experimental groups 1&2 (hyperglycemic rats treated by daily oral gavage of 100 mg kg

RESULTS: In comparison to control groups, in 4WD and 8WD groups the amount of type IV collagen was increased, the structure of myelin sheath and nerve fibers were extensively altered and the tensile strength was significantly decreased (

CONCLUSIONS: It seems that BT treatment may rescue the sciatic nerve from the hyperglycemic-induced ECM structural abnormality. This beneficial advantage of BT is likely exerted through the modification of glucose metabolism pathways.

© Springer Nature Switzerland AG 2020.

Keywords: Benfotiamine; Collagen IV; Diabetes; Sciatic nerve; Tensile strength

Conflict of interest statement

Conflict of interestThe authors declare no conflict of interest.

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