Plasticity and Function of Spinal Oxytocin and Vasopressin Signaling during Recovery from Surgery with Nerve Injury

Conclusions : These findings suggest that the capacity for oxytocin signaling in the spinal cord increases after surgery and that spinal oxytocin signaling plays ongoing roles in both sexes in recovery from mechanical hypersensitivity after surgery with known nerve injury.
Source: Anesthesiology - Category: Anesthesiology Source Type: research

Related Links:

We examined the expression of TRPV1 in peripheral tissue and DRG neurons of CPIP model rats and we studied whether CPIP model could induce peripheral sensitization of TRPV1 channel and enhance DRG neuron excitability. Then we examined the therapeutic effects of locally applied TRPV1 specific antagonist AMG9810 on pain responses of CPIP model rats. Lastly, we explored the effects of AMG9810 on DRG neuron hyperexcitability and spinal glial activation induced by CPIP. Our results demonstrate that TRPV1 plays an important role in mediating the behavioral hypersensitivity of CPIP model rats via promoting peripheral nociceptor a...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
In conclusion, the site of action of σ1R for opioid modulation on acute thermal nociception is located at the peripheral and supraspinal levels, and the opioid-potentiating effect is independent of the spinal noradrenaline increase produced by S1RA. Introduction The sigma-1 receptor (σ1R) has been described as the first ligand-regulated molecular chaperone located at the endoplasmic reticulum and plasma membranes whose activity is regulated in an agonist-antagonist manner. The σ1R is expressed in key areas for pain control and there is cumulative evidence supporting an involvement of the σ1R...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Conclusion: The present study suggests that the extract of LMZ attenuates CFA-induced inflammatory pain by suppressing the ERK1/2 and NF-κB signaling pathway at both peripheral and central level. Introduction Pain is one of the most common symptoms in clinical practice, and inflammatory pain is the most important type of pain (Patapoutian et al., 2009). Inflammatory pain is a growing global health problem. In generally, there is a common course of progression in inflammation and pain share. When patients experience inflammation, they may develop hyperalgesia or allodynia to various mechanical, thermal, or che...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Tomoya Nakamachi1*, Ayano Tanigawa1, Norifumi Konno1, Seiji Shioda2 and Kouhei Matsuda1 1Laboratory of Regulatory Biology, Graduate School of Science and Engineering, University of Toyama, Toyama, Japan 2Innovative Drug Discovery, Global Research Center for Innovative Life Science, Hoshi University, Tokyo, Japan Pituitary adenylate cyclase-activating polypeptide (PACAP) is a neuropeptide with potent suppressive effects on feeding behavior in rodents, chicken, and goldfish. Teleost fish express two PACAPs (PACAP1, encoded by the adcyap1a gene, and PACAP2, encoded by the adcyap1b gene) and two PACAP receptors (PAC...
Source: Frontiers in Endocrinology - Category: Endocrinology Source Type: research
Conclusion and Perspectives Since their cloning 20 years ago, the physiological importance of TREK-1 channels has continued to grow (Figure 3). Today, TREK-1 channels have been shown to be important and their presence is essential in a number of physiopathological processes. Their involvement in these different processes demonstrate the necessity to design pharmacological modulators, activators or inhibitors, of these channels to correct any TREK-1-related dysfunctions. Despites a number of studies and many molecule screenings, only few putative new drugs were identified. The activators belonging to the ML and BL series ...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
This study not only provides biological evidence to support the use of duloxetine as the first standard CIPN drug but will also lead to potential new targets for CIPN drug development. Introduction A major dose-limiting complication of chemotherapy is chemotherapy-induced peripheral neuropathy (CIPN). The greatest contributors to CIPN are taxanes (e.g., paclitaxel) and platinum-based (e.g., oxaliplatin) treatments (Krukowski et al., 2015). Paclitaxel (PTX) can effectively treat several of the most common cancers including breast cancer, lung cancer, and ovarian cancer (Ewertz et al., 2015; Cetinkaya-Fisgin et al., ...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Conclusions: Spinal cord stimulation modulates expression of key pain-related genes in the DRG. Specifically, SCS led to reversal of IL-1b and IL-6 expression induced by injury. Interleukin 6 expression was still significantly larger than in sham animals, which may correlate to residual sensitivity following continuous SCS treatment. In addition, expression of GABAbr1 and Na/K ATPase was down-regulated to within control levels following SCS and correlates with applied current.
Source: Regional Anesthesia and Pain Medicine - Category: Anesthesiology Tags: Chronic and Interventional Pain: Original Article Source Type: research
Conclusion Hyperexcitability of T5 and T6 sympathetic preganglionic fibers appears to be the main etiology of LPR. SNEPI can reduce LES relaxation and improve blood flow to the mucosa, thereby increasing the stability of the vagus reflex and laryngopharyngeal mucosal defense factors. To the best of our knowledge, this case represents the first report of a patient with LPR refractory to PPIs who was successfully treated with SNEPI alone. SNEPI can be considered as an alternative to anti-reflux procedures. References 1. Vakil N, van Zanten SV, Kahrilas P, et al. Global Consensus Group. The Montreal definition and classificat...
Source: Innovations in Clinical Neuroscience - Category: Neuroscience Authors: Tags: Case Report Current Issue Medical Issues Neurologic Systems and Symptoms Neurology antireflux procedure autonomic regulation laryngopharyngeal reflux refractory Sympathetic nerve entrapment point injection Source Type: research
Conclusions The findings of this study suggest that SUV39H1 contributes to nerve injury –induced allodynia and hyperalgesia through gating MOR expression in the injured DRG. SUV39H1 may be a potential target for the therapeutic treatment of nerve injury–induced nociceptive hypersensitivity.
Source: Anesthesiology - Category: Anesthesiology Source Type: research
Shiv Pratap Singh Rana, Mary Abraham, Varun Gupta, Shubhashish Biswas, Manish MardaSaudi Journal of Anaesthesia 2015 9(4):470-473Complex regional pain syndrome (CRPS) following injury or nerve damage, as its name signifies, is a challenging entity, and its successful management requires a multidisciplinary approach. It not only manifests as severe pain, but also gives rise to functional disability, lack of sleep, lack of enjoyment of life and poor quality of life. Various pain interventional techniques have been described in the literature for the management of CRPS ranging from sympathetic blocks to spinal cord stimulator...
Source: Saudi Journal of Anaesthesia - Category: Anesthesiology Authors: Source Type: research
More News: Anesthesia | Anesthesiology | Back Pain | Ganglions | Hormones | Pain | Spinal Cord Injury | Women