نتایج جستجو برای: sni
تعداد نتایج: 1558 فیلتر نتایج به سال:
This study was undertaken in order to investigate the effect of chronic treatment with 5′-chloro-5′-deoxy-(±)-ENBA, a potent and highly selective agonist of human adenosine A(1) receptor, on thermal hyperalgesia and mechanical allodynia in a mouse model of neuropathic pain, the Spared Nerve Injury (SNI) of the sciatic nerve. Chronic systemic administration of 5′-chloro-5&...
Bivariate clustered (correlated) data often encountered in epidemiological and clinical research are routinely analyzed under a linear mixed model (LMM) framework with underlying normality assumptions of the random effects and within-subject errors. However, such normality assumptions might be questionable if the data set particularly exhibits skewness and heavy tails. Using a Bayesian paradigm...
Assessing the research of individual scholars is currently a matter of serious concern and worldwide debate. In order to gauge the long-term efficacy and efficiency of this practice, we carried out a limited survey of the operation and outcome of Mexico's 30-year old National System of Investigators or SNI, the country's main instrument for stimulating competitive research in science and techno...
In human conditions, chronic pain is associated with widespread anatomical changes in the brain. Nevertheless, little is known about the time course of these changes or the relationship of anatomical changes to perception and behaviour. In the present study, we use a rat model of neuropathic pain (spared nerve injury, SNI) and 7 T MRI to determine the longitudinal supraspinal changes associated...
BACKGROUND Nerve injury-induced neuropathic pain is a major health problem worldwide. Notch signaling is a highly conserved pathway in evolution, which has an important role in synaptic plasticity and inflammation in central nervous system. The present study was designed to investigate the potential role of notch signaling in the development of neuropathic pain. METHODS The neuropathic pain w...
Chronic pain is frequently accompanied by a deterioration of emotional behavior and cognitive function. A small number of studies in humans concluded that pain-associated negative affect is more pronounced when pain is localized in the left side of the body. It has been suggested that such side bias results from cortical function lateralization. It is not known, however, if other pain-associate...
BACKGROUND Chronicity of pain is one of the most interesting questions in chronic pain study. Clinical and experimental data suggest that supraspinal areas responsible for negative emotions such as depression and anxiety contribute to the chronicity of pain. The amygdala is suspected to be a potential structure for the pain chronicity due to its critical role in processing negative emotions and...
سابقه و هدف: آسیب عصبی یکی از مهمترین عوامل ایجادکننده دردهای نوروپاتیک می باشد که با علایمی مثل درد خودبخودی، آلودینیا و هایپرآلژزیا همراه است. با توجه بر اینکه مکانسیمهای زمینه ساز دردهای نوروپاتیک کاملاً شناخته شده نیستند، تحقیقات وسیعی در این خصوص در حال انجام است. لذا این مطالعه به منظور مقایسه پاسخهای رفتاری مدل های درد نوروپاتی CCI و SNI با گروه شاهد انجام گرفت. مواد و رو ش ها: این تحقیق ...
Methods: A group of patients who had cervical or lumbar surgery with preoperative discrepancies between presenting exam and radiological imagery underwent selective nerve root injections prior to surgery. Strict criteria were adhered to in performing the SNIs, including use of fluoroscopy with contrast, nerve stimulation, concordance of stimulation and limited volume of local anesthetic. The SN...
The immune system is involved in the development of neuropathic pain. In particular, the infiltration of T-lymphocytes into the spinal cord following peripheral nerve injury has been described as a contributor to sensory hypersensitivity. We used the spared nerve injury (SNI) model of neuropathic pain in Sprague Dawley adult male rats to assess proliferation, and/or protein/gene expression leve...
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