نتایج جستجو برای: thermal hyperalgesia

تعداد نتایج: 220691  

Journal: :PLoS ONE 2008
Volker Huge Meike Lauchart Stefanie Förderreuther Wibke Kaufhold Michael Valet Shahnaz Christina Azad Antje Beyer Walter Magerl

BACKGROUND Sensory abnormalities are a key feature of Complex Regional Pain Syndrome (CRPS). In order to characterise these changes in patients suffering from acute or chronic CRPS I, we used Quantitative Sensory Testing (QST) in comparison to an age and gender matched control group. METHODS 61 patients presenting with CRPS I of the upper extremity and 56 healthy subjects were prospectively a...

Journal: :British journal of pharmacology 2010
V Curto-Reyes S Llames A Hidalgo L Menéndez A Baamonde

BACKGROUND AND PURPOSE The activation of CB(2) receptors induces analgesia in experimental models of chronic pain. The present experiments were designed to study whether the activation of peripheral or spinal CB(2) receptors relieves thermal hyperalgesia and mechanical allodynia in two models of bone cancer pain. EXPERIMENTAL APPROACH NCTC 2472 osteosarcoma or B16-F10 melanoma cells were intr...

Prevention and treatment of neuropathic pain (NP) is one of the most difficult problemsin clinical practice since the underlying mechanism of NP is unclear. In previous studies, theincreased production of nitric oxide (NO) has been closely linked to the induced NP. In thisstudy, we assessed the effect of atorvastatin through NO mechanism, on inflammation, thermalhyperalg...

2015
Xin Zhao Chuang Wang Wu-Geng Cui Qing Ma Wen-Hua Zhou

Fisetin, a natural flavonoid, has been shown in our previous studies to exert antidepressant-like effect. As antidepressant drugs are clinically used to treat chronic neuropathic pain, this work aimed to investigate the potential antinociceptive efficacies of fisetin against neuropathic pain and explore mechanism(s). We subjected mice to chronic constriction injury (CCI) by loosely ligating the...

2009
Werner Balser Michèle Loday-Richaud Martin Bohner W. Balser

We investigate Gevrey order and 1-summability properties of the formal solution of a general heat equation in two variables. In particular, we give necessary and sufficient conditions for the 1-summability of the solution in a given direction. When restricted to the case of constants coefficients, these conditions coincide with those given by D. A. Lutz, M. Miyake, R. Schäfke in a 1999 article ...

Akbar Pejhan, Bahareh Amin, Faranak Jafari, Omid Gholami, Samad Nazemi,

Despite extensive investigations, the main mechanisms underlying neuropathic pain development are still not fully understood and there is no effective treatment for that. So intensive research is being done for finding new, efficient analgesic drugs. 56 male Wistar rats (230±30) were divided into 7 groups (n=8); control, sham, CCI and 3 Umbelliprenin groups (25, 50 and 100 microgram/rat)...

Journal: :Experimental neurology 2017
Andrew D Gaudet Monica T Ayala Wolfgang E Schleicher Elana J Smith Emily M Bateman Steven F Maier Linda R Watkins

Spinal cord injury (SCI) causes chronic pain in 65% of individuals. Unfortunately, current pain management is inadequate for many SCI patients. Rodent models could help identify how SCI pain develops, explore new treatment strategies, and reveal whether acute post-SCI morphine worsens chronic pain. However, few studies explore or compare SCI-elicited neuropathic pain in rats. Here, we sought to...

2011
Friederike Mahn Philipp Hüllemann Ulrich Gockel Mathias Brosz Rainer Freynhagen Thomas R. Tölle Ralf Baron

Painful radiculopathies (RAD) and classical neuropathic pain syndromes (painful diabetic polyneuropathy, postherpetic neuralgia) show differences how the patients express their sensory perceptions. Furthermore, several clinical trials with neuropathic pain medications failed in painful radiculopathy. Epidemiological and clinical data of 2094 patients with painful radiculopathy were collected wi...

Journal: :Pain 2004
Katsuya Morita Norimitsu Morioka Joynal Abdin Shigeo Kitayama Yoshihiro Nakata Toshihiro Dohi

Platelet-activating factor (PAF) is a potent inflammatory lipid mediator in peripheral tissues. However, its role in mediation of nociception in central nervous system is unknown. In the present study, whether PAF plays some role in pain transduction in the spinal cord was studied in mice. Intrathecal injection of PAF induced tactile pain, tactile allodynia at as low as 10 fg to 1 pg with a pea...

2015
Subramanian S. Parvathy Willias Masocha

Taxanes such as paclitaxel, which are chemotherapeutic drugs, cause dose-dependent painful neuropathy in some patients. We investigated whether coadministration of minocycline and indomethacin produces antinociceptive effects in mice with paclitaxel-induced neuropathic thermal hyperalgesia and if the cannabinoid system is involved. Previously, we reported that coadministration of these two drug...

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