MiR-106a Associated with Diabetic Peripheral Neuropathy Through the Regulation of 12/15-LOX-meidiated Oxidative/Nitrative Stress

Author(s): Yuanbo Wu, Dandan Xu, Xiang Zhu, Guangwei Yang, Mingshan Ren*

Journal Name: Current Neurovascular Research

Volume 14 , Issue 2 , 2017

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Background: Diabetic peripheral neuropathy (DPN) is a common complication of diabetes with a complex pathogenesis. Study has reported that oxidative stress and nitrative stress are all involved in the DPN. However, the mechanism between them is still unclear. In the present study, we investigated whether miR-106a regulated 12/15-Lipoxygenase (12/15-LOX) of oxidative/nitrative stress (OS/NS) in DPN.

Methods: Dorsal root ganglion (DRG) was isolated from 10 healthy mice and 10 DPN mice. DPN mouse model was established by the injection of streptozotocin (STZ), and high glucose was used for inducing the in vitro model of DPN.

Results: In DPN mice, the levels of fasting blood-glucose (FBG) level, Methane Dicarboxylic Aldehyde (MDA) and the Inducible Nitric Oxide Synthase (iNOS) were increased, while the levels of motor nerve conduction velocity (MNCV), sensory nerve conduction velocity (SNCV) and superoxide dismutase (SOD) were decreased. MiR-106a level in DRG cells of DPN was decreased. The 12/15-LOX expression and cell apoptosis were increased. DRG cells subjected to high glucose resulted in the same effects as above. MiR-106a was observed to target 12/15-LOX and regulated its expression. MiR-106a overexpression reversed the effect that was induced by high glucose, however, overexpression of 12/15-LOX reversed the effect that was induced by miR-106a overexpression.

Conclusion: MiR-106 may be associated with 12/15-LOX mediated OS/NS in DPN and may be considered as a potential therapeutic target.

Keywords: Diabetic peripheral neuropathy, oxidative stress, nitrative stress, 12/15-LOX, micro-106a, diabetic mellitus.

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Article Details

Year: 2017
Page: [117 - 124]
Pages: 8
DOI: 10.2174/1567202614666170404115912
Price: $65

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