1. Increased NRSF/REST in anterior cingulate cortex contributes to diabetes-related neuropathic pain.
- Author
-
Xiao-Die X, Xiao-Hong W, Cheng-Feng H, Zhong-Yu Y, Jian-Tao W, Hou-Guang Z, and Jing-Chun G
- Subjects
- Animals, Diabetic Neuropathies complications, Diabetic Neuropathies genetics, Diabetic Neuropathies metabolism, Gene Knockdown Techniques, Gyrus Cinguli metabolism, Hyperalgesia complications, Hyperalgesia genetics, Hyperalgesia metabolism, Male, Mice, PC12 Cells, Rats, Repressor Proteins genetics, Up-Regulation, Diabetic Neuropathies physiopathology, Gyrus Cinguli physiopathology, Hyperalgesia physiopathology, Repressor Proteins metabolism
- Abstract
Diabetic neuropathic pain is one of the most common complications of diabetes. Mechanisms underlying the central modulation are still unclear. Here, we investigated the role of the neuron-restricted silencing factor (NRSF/REST) in diabetic-related neuropathic pain. Mechanical allodynia and thermal hyperalgesia were assessed to evaluate painful behaviors. Our results found that in the anterior cingulate cortex (ACC) of db/db mice, NRSF/REST levels increased significantly. Reduction of NRSF/REST improved the painful sensation. Meanwhile, in vitro study found that high glucose and high palmitic acid treatment induced elevation of NRSF/REST and its cofactors (mSin3A, CoREST and HDAC1), whereas downregulation of GluR2 and NMDAR2B. Knockdown of NRSF/REST could attenuate the LDH release and partially reversed the expression changes of HDAC1 and NMDAR2B. Our results suggested that the elevation of NRSF/REST in the ACC area of db/db mice is one of the key mediators of diabetic neuropathic pain., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2020 Elsevier Inc. All rights reserved.)
- Published
- 2020
- Full Text
- View/download PDF