نتایج جستجو برای: sni
تعداد نتایج: 1558 فیلتر نتایج به سال:
During neuropathic pain, caspases are activated in the limbic cortex. We investigated the role of TRPV1 channels and glial caspases in the mouse prelimbic and infralimbic (PL-IL) cortex after spared nerve injury (SNI). Reverse transcriptase-polymerase chain reaction, western blots, and immunfluorescence showed overexpression of several caspases in the PL-IL cortex 7 days postinjury. Caspase-3 r...
Background and Aim: Damage to neural pathways is one of the most significant factors of neuropathic pains, which is characterized by spontaneous burning pain accompanied by allodynia and hyperalgesia. The present study was carried out to explore behavioral and electrophysiological characteristics of neuropathic pain model of Spared Nerve Injury (SNI). Materials and Methods: In this experimenta...
We examined mRNA expression of the pro-inflammatory cytokine IL-1beta in the brainstem, thalamus, and prefrontal cortex in two rat models of neuropathic pain. Rats received a neuropathic injury: spared nerve injury (SNI) or chronic constriction injury (CCI), sham injury, or were minimally handled (control). Neuropathic pain-like behavior was monitored by tracking tactile thresholds. SNI-injured...
To study the neuropathic pain mechanism, various behavioral responses of animals in to different neuropathic models were considered. Adult male Sprague-Dawley rats weighing 230-280 g were used. Anesthesia was initially induced with pentobarbital I.P. (50 mg/kg). These models included (1): chronic constriction injury (CCI) by loose ligation of the sciatic nerve (2) Spared nerve injury (SNI) by a...
BACKGROUND Having a diverse social network is considered to be beneficial to a person's well-being. The significance, however, of social network diversity in the geriatric assessment of people aged ≥80 years has not been adequately investigated within the Southeast Asian context. This study explored the social networks belonging to the elderly aged ≥80 years and assessed the relation of social ...
Explorer Delayed sympathetic dependence in the spared nerve injury ( SNI ) model of neuropathic pain
Background: Clinical and experimental studies of neuropathic pain support the hypothesis that a functional coupling between postganglionic sympathetic efferent and sensory afferent fibers contributes to the pain. We investigated whether neuropathic pain-related behavior in the spared nerve injury (SNI) rat model is dependent on the sympathetic nervous system. Results: Permanent chemical sympath...
MicroRNAs (miRNAs) are increasingly recognized as regulators of immune and neuronal gene expression and are potential master switches in neuropathic pain pathophysiology. miR-21 is a promising candidate that may link the immune and the pain system. To investigate the pathophysiological role of miR-21 in neuropathic pain, we assessed mice deficient of B7 homolog 1 (B7-H1), a major inhibitor of i...
The title compound, [SnI(4)(C(25)H(22)O(2)P(2))]·CHCl(3), crystallized from a chloro-form solution of SnI(4) and the diphosphine CH(2)(PPh(2))(2) exposed to air. The monomeric complex displays a distorted octa-hedral coordinaton for the tin(IV) atom with average Sn-I and Sn-O bond lengths of 2.79 (2) and 2.15 (1) Å, respectively.
BACKGROUND Current evidence indicates that p38 mitogen-activated protein kinase activation in spinal microglia contributes to the development of neuropathic pain. However, how nerve injury activates p38 in spinal microglia is incompletely unknown. Nerve injury-induced ectopic spontaneous activity is essential for the generation of neuropathic pain. The authors examined whether peripheral neural...
OBJECTIVE To study the prevalence of social support (SS) and its influence on the relative risk (RR) of myocardial infarction (MI) and stroke in the female population aged 25-64 in Russia. MATERIALS AND METHODS Under the third screening of the WHO "MONICA-psychosocial" programme, a random representative sample of women aged 25-64 (n=870) were surveyed in Novosibirsk. SS was measured according...
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