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Employing the sustained-release properties of poly(lactic-co-glycolic acid) nanoparticles to reveal a novel mechanism of sodium-hydrogen exchanger 1 in neuropathic pain
Transl Res. 2023 Sep 5:S1931-5244(23)00143-3. doi: 10.1016/j.trsl.2023.09.003. Online ahead of print.ABSTRACTNeuropathic pain is caused by injury or disease of the somatosensory system, and its course is usually chronic. Several studies have been dedicated to investigating neuropathic pain-related targets; however, little attention has been paid to the persistent alterations that these targets, some of which may be crucial to the pathophysiology of neuropathic pain. The present study aimed to identify potential targets that may play a crucial role in neuropathic pain and validate their long-term impact. Through bioinformat...
Source: Translational Research : the journal of laboratory and clinical medicine - September 7, 2023 Category: Laboratory Medicine Authors: Junhua Wu Meiling Jin Quangdon Tran Minwoo Kim Song I Kim Juhee Shin Hyewon Park Nara Shin Hyunji Kang Hyo Jung Shin Sun Yeul Lee Song-Biao Cui C Justin Lee Won Hyung Lee Dong Woon Kim Source Type: research

Secreted PLA < sub > 2 < /sub > -III is a possible therapeutic target to treat neuropathic pain
Biochem Biophys Res Commun. 2021 Jul 5;568:167-173. doi: 10.1016/j.bbrc.2021.06.058. Online ahead of print.ABSTRACTLysophosphatidic acid (LPA) plays a critical role in developing and maintaining chronic pain in various animal models. Previous studies have reported that cytosolic and calcium-independent phospholipase A2 (PLA2) is involved in the LPA receptor-mediated amplification of LPA production in the spinal dorsal horn (SDH) after nerve injury, while the involvement of secreted PLA2 (sPLA2) remains unclear. The present study revealed that only sPLA2 -III among 11 species of PLA2 showed a significant upregulation of gen...
Source: Biochemical and Biophysical Research communications - July 8, 2021 Category: Biochemistry Authors: Keigo Tanaka Naoki Dozono Hiroyuki Neyama Jun Nagai Ryoko Tsukahara Kazuki Nagayasu Shuji Kaneko Hiroshi Ueda Source Type: research

Long noncoding RNA LOC100911498 is a novel regulator of neuropathic pain in rats
ConclusionOur study indicated the effects lncRNA LOC100911498 siRNA exerted on NP were mediated by P2X4R on microglia in the spinal cords of rats. Further, LOC100911498 may be a novel positive regulator of NP by regulating the expression and function of the P2X4R.
Source: Brain and Behavior - May 5, 2021 Category: Neurology Authors: Wenxin Tang, Lufeng Zhang, Zhisong Li Tags: ORIGINAL RESEARCH Source Type: research

Predisposition of Neonatal Maternal Separation to Visceral Hypersensitivity via Downregulation of Small-Conductance Calcium-Activated Potassium Channel Subtype 2 (SK2) in Mice.
Conclusions: ELS-induced visceral pain and visceral hypersensitivity are associated with the underfunction of SK2 channels in the spinal DH. PMID: 33029124 [PubMed - in process]
Source: Neural Plasticity - October 10, 2020 Category: Neurology Authors: Wu K, Gao JH, Hua R, Peng XH, Wang H, Zhang YM Tags: Neural Plast Source Type: research

Gene Therapy Leaves a Vicious Cycle
Reena Goswami1, Gayatri Subramanian2, Liliya Silayeva1, Isabelle Newkirk1, Deborah Doctor1, Karan Chawla2, Saurabh Chattopadhyay2, Dhyan Chandra3, Nageswararao Chilukuri1 and Venkaiah Betapudi1,4* 1Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States 2Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States 3Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States 4Department of Physiology and Biophysics, Case Western Reserve University, Clev...
Source: Frontiers in Oncology - April 23, 2019 Category: Cancer & Oncology Source Type: research

Recent Advances in the Development of T ‐type Calcium Channel Blockers for Pain Intervention
Abstract Cav3.2 T‐type calcium channels are important regulators of pain signals in afferent pain pathway, and their activities are dysregulated during various chronic pain states. Therefore it stands to reason that inhibiting T‐type calcium channels in dorsal root ganglion neurons and in the spinal dorsal horn can be targeted for pain relief. This is supported by early pharmacological studies with T‐type channel blockers such as ethosuximide, and by analgesic effects of siRNA depletion of Cav3.2 channels. In the past five years, considerable effort has been applied towards identifying novel classes of T‐type calci...
Source: British Journal of Pharmacology - June 13, 2017 Category: Drugs & Pharmacology Authors: Terrance P Snutch, Gerald W Zamponi Tags: REVIEW ARTICLE THEMED ISSUE Source Type: research

Annexin A10 is involved in the development and maintenance of neuropathic pain in mice
We examined the gene expressions of the L5 spinal cord after spinal nerve ligation (SNL)-induced neuropathic pain in mice by gene chip. The results showed that Anxa10 mRNA was the most upregulated gene in annexin family with 73.7-fold increase. Although previous studies have reported that several annexins are involved in nociceptive pain, the role of Anxa10 in pain remains undefined. We aimed to evaluate the role of ANXA10 in mediating injury-induced heat hyperalgesia and mechanical allodynia. We found that SNL induced persistent upregulation of Anxa10 mRNA and protein in the spinal cord of mice. Moreover, ANXA10 was coloc...
Source: Neuroscience Letters - August 9, 2016 Category: Neuroscience Source Type: research

Native store-operated calcium channels are functionally expressed in mouse spinal cord dorsal horn neurons and regulate resting calcium homeostasis.
This article is protected by copyright. All rights reserved. PMID: 24860175 [PubMed - as supplied by publisher]
Source: The Journal of Physiology - May 23, 2014 Category: Physiology Authors: Xia J, Pan R, Gao X, Meucci O, Hu H Tags: J Physiol Source Type: research

Full-length membrane-bound tumor necrosis factor-α acts through tumor necrosis factor receptor 2 to modify phenotype of sensory neurons
Summary: Membrane-bound tumor necrosis factor-α, acting through tumor necrosis factor receptor 2, causes increased expression in dorsal root ganglia of genes whose products are implicated in heightened neuronal excitability characteristic of chronic neuropathic pain.Abstract: Neuropathic pain resulting from spinal hemisection or selective spinal nerve ligation is characterized by an increase in membrane-bound tumor necrosis factor-alpha (mTNFα) in spinal microglia without detectable release of soluble TNFα (sTNFα). In tissue culture, we showed that a full-length transmembrane cleavage-resistant TNFα (CRTNFα) construc...
Source: Pain - May 28, 2013 Category: Anesthesiology Authors: Zetang Wu, Shiyong Wang, Sandy Gruber, Marina Mata, David J. Fink Tags: Research papers Source Type: research