Results 31 to 40 of about 44,475 (226)

Characterization of migraineurs presenting interictal widespread pressure hyperalgesia identified using a tender point count: a cross-sectional study

open access: yesThe Journal of Headache and Pain, 2017
Background Migraineurs exhibit pain hypersensitivity throughout the body during and between migraine headaches. Migraine is classified as a central sensitivity syndrome, typified by fibromyalgia showing widespread pressure hyperalgesia determined by a ...
Toshihide Toriyama   +2 more
doaj   +1 more source

Differential involvement of reactive oxygen species in a mouse model of capsaicin-induced secondary mechanical hyperalgesia and allodynia

open access: yesMolecular Pain, 2017
Intradermally injected capsaicin induces secondary mechanical hyperalgesia and allodynia outside the primary (i.e., capsaicin-injected) site. This secondary mechanical hypersensitivity is attributed to central sensitization in which reactive oxygen ...
Jun-Ho La   +5 more
doaj   +1 more source

Intrathecal injections of non-peptide oxytocin receptor agonists, WAY 267,464 and TC OT 39, induce significant anti-hyperalgesia in both male and female rats with inflammatory pain [PDF]

open access: yesIranian Journal of Basic Medical Sciences
Objective(s): Hyperalgesia is a clinical condition related to chronic pain in which patients experience increased nociceptive sensitivity. Intrathecal oxytocin has been shown to induce significant anti-hyperalgesia in both rodents and humans. However, in
Lok-Hi Chow   +4 more
doaj   +1 more source

Acute phenobarbital administration induces hyperalgesia: pharmacological evidence for the involvement of supraspinal GABA-A receptors

open access: yesBrazilian Journal of Medical and Biological Research, 2001
The aim of the present study was to determine if phenobarbital affects the nociception threshold. Systemic (1-20 mg/kg) phenobarbital administration dose dependently induced hyperalgesia in the tail-flick, hot-plate and formalin tests in rats and in the ...
C.M. Yokoro   +4 more
doaj   +1 more source

Advancing the Understanding of Acupoint Sensitization and Plasticity Through Cutaneous C-Nociceptors

open access: yesFrontiers in Neuroscience, 2022
Acupoint is the key area for needling treatment, but its physiology is not yet understood. Nociceptors, one of the responders in acupoints, are responsible for acupuncture manipulation and delivering acupuncture signals to the spinal or supraspinal level.
Xiang Cui, Kun Liu, Xinyan Gao, Bing Zhu
doaj   +1 more source

Role of the endocannabinoid system on the antihyperalgesic action of gabapentin in animal model of neuropathic pain induced by partial sciatic nerve ligation [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
Gabapentin has antihyperalgesic action, decreasing central sensitization in neuropathic pain models; this effect depends on the mobilization of endogenous pain control pathways.
ALEXANDRE C. BUFFON   +6 more
doaj   +1 more source

Efficacy of 2-Hydroxyflavanone in Rodent Models of Pain and Inflammation: Involvement of Opioidergic and GABAergic Anti-Nociceptive Mechanisms

open access: yesMolecules, 2022
The current work examined the pharmacological potential of a selected flavanone derivative 2-hydroxyflavanone as a promising remedy for the treatment and management of pain.
Faiz Ali Khan   +8 more
doaj   +1 more source

Co-induction of cyclooxyenase-2 and early growth response gene (Egr-1) in spinal cord in a clinical model of persistent inflammation and hyperalgesia

open access: yesMolecular Pain, 2011
Background This study characterised the effects of persistent peripheral inflammation of the foot on pain and spinal cord expression of cyclooxygenase-1 and -2 (COX-1 and COX-2) and early growth response gene 1 (Egr-1), known markers of neuronal ...
Dolan Sharron   +3 more
doaj   +1 more source

Spatiotemporal Alterations in Gait in Humanized Transgenic Sickle Mice

open access: yesFrontiers in Immunology, 2020
Sickle cell disease (SCD) is a hemoglobinopathy affecting multiple organs and featuring acute and chronic pain. Purkinje cell damage and hyperalgesia have been demonstrated in transgenic sickle mice. Purkinje cells are associated with movement and neural
Stacy Kiven   +12 more
doaj   +1 more source

The Clinical Efficacy of High‐Voltage Long‐Duration Pulsed Radiofrequency Treatment in Pudendal Neuralgia: A Retrospective Study

open access: yesNeuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Background Patients with pudendal neuralgia (PN) experience long‐lasting chronic pain, hyperalgesia, and comorbid emotional disorders, such as depression and anxiety. Treatment via conventional pulsed radiofrequency (PRF) current carries a significantly high rate of failure.
Cheng‐Long Wang, Tao Song
wiley   +1 more source

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