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It has been suggested that activation of alpha7 nicotinic acetylcholine receptors (α7nAChR) could alleviate acute and chronic pain in various abnormal pain models. However, it is unclear whether the stimulation of α7nAChRs has anti-hyperalgesic effects on osteoarthritis. Therefore, we tested whether
Vagotomy suppresses fever and hyperalgesia caused by intraperitoneal lipopolysaccharide (LPS) but has little effect on the febrile response to intravenous or intramuscular LPS. This suggests that some vagus-mediated mechanisms are recruited only when LPS is administered via the intraperitoneal
BACKGROUND
The current study aimed to assess whether local administration of morphine could block the development of hyperalgesia and allodynia in a rat model of osteotomy or bone damage.
METHODS
Withdrawal responses to mechanical and thermal stimuli applied to the plantar surface of the hind paw
The endogenous tetrapeptide endomorphin-2 (EM2) participates in pain modulation by binding to pre- and/or post-synaptic μ opioid receptor (MOR). In the present study, pathological expression and antinociceptive effects of EM2 at the spinal level were investigated in a rat model of bone cancer pain.
1. Lysis of rat thioglycolate-stimulated peritoneal macrophages releases a low molecular weight factor (0.5 less than MW less than 10 kD) into the supernatant. Bilateral hyperalgesia was observed when this factor, denoted macrophage hyperalgesic factor (MHF), was injected into one hind paw or into
OBJECTIVE
We investigated the anti-allergic and analgesic properties of an oil and a derived fraction of tetranortriterpenoids (TNTP) obtained from the seeds of Carapa guianensis Aublet.
METHODS
Pleurisy, paw and ear edema were induced in Swiss and C57/Bl10 mice mice, whereas thermal hyperalgesia
For years, transcutaneous electrical nerve stimulation (TENS) has been used clinically for the treatment of many types of pain. Although there have been many studies conducted on the efficacy of TENS in the clinical setting, the results are conflicting. The purpose of our investigation was to
OBJECTIVE
To investigate the effects of ginsenoside-Rg
2 on
mechanical allodynia, heat hyperalgeia, depressive state of rats with chronic sciatic nerve constriction injury.
METHODS
Fifty SD rats were randomly divided into 5 groups: blank control
The counterirritation phenomenon known as conditioned pain modulation, or diffuse noxious inhibitory control in animals, is of increasing interest due to its utility in predicting chronic pain and treatment response. It features considerable interindividual variability, with large subsets of pain
Morphological changes of skin in region of operative wound were investigated. There was established, that while application of fentanyl in high doses, using constant infusion for anesthesia in early postoperative period in children, operated for abdominal cavity tumors, the opioid-induced
The pain peptide adrenomedullin (AM) plays a pivotal role in pathological pain. The present study was designed to investigate the effect of blockade of AM receptor on bone cancer pain (BCP) and its mechanism. BCP was developed by inoculation of Walker 256 mammary gland carcinoma cells in the tibia
There were examined 47 children, operated on for tumors of abdominal cavity and retroperitoneal space. The opioid-induced hyperalgesia may occur in early postoperative period. The anesthesia conduction of m. transverses abdominis (TAP-block), using 0.375% bupivacaine solution and combined spinal
Chronic pain and subfertility are the main symptoms of concern in women with endometriosis. In order to find new therapeutic options to suppress the pain, translational animal models are indispensable. We have developed a new automated, experimental setup, with full consideration for animal
Olfactory ensheathing cells (OEC) are a promising graftable cell population for improving functional outcomes after experimental spinal cord injury. However only few studies have focused on experimental models with large cavitations, which require bridging substrates to transfer and maintain the
BACKGROUND
Phthalimide analogs have been shown to exhibit anti-inflammatory, analgesic and immunomodulatory activities in different preclinical assays. This study aimed to investigate the potential role of 2-phthalimidethanol (PTD-OH) and 2-phthalimidethyl nitrate (PTD-NO) in a murine model of