نتایج جستجو برای: trigeminal ganglia
تعداد نتایج: 42267 فیلتر نتایج به سال:
OBJECT Neuropathic pain is mediated by nociceptive neurons that selectively express the vanilloid receptor 1 (VR1). Resiniferatoxin (RTX) is an excitotoxic VR1 agonist that causes destruction of VR1-positive neurons. To determine whether RTX can be used to ablate VR1-positive neurons selectively and to eliminate hyperalgesia and neurogenic inflammation without affecting tactile sensation and mo...
The use of Cre-loxP technology for conditional mutagenesis in pain pathways had been restricted by the unavailability of mice expressing Cre recombinase selectively in functionally distinct components of the nociceptive system. Here we describe the generation of transgenic mouse lines which express Cre recombinase selectively in sensory ganglia using promoter elements of the Na(v)1.8 gene (Scn1...
Palisade endings are nerve specializations found in the extraocular muscles (EOMs) of mammals, including primates. They have long been postulated to be proprioceptors. It was recently demonstrated that palisade endings are cholinergic and that in monkeys they originate from the EOM motor nuclei. Nevertheless, there is considerable difference of opinion concerning the nature of palisade ending f...
Migraine is a painful neurologic disorder with premonitory symptomatology that can include disturbed appetite. Migraine pathophysiology involves abnormal activation of trigeminocervical complex (TCC) neurons. Neuropeptide Y (NPY) is synthesized in the brain and is involved in pain modulation. NPY receptors are present in trigeminal ganglia and trigeminal nucleus caudalis suggesting a role in mi...
To ascertain the role of endogenous Bcl-2 in maintaining the survival of developing neurons and modulating their responses to neurotrophins, we compared the in vitro and in vivo survival of cranial sensory neurons of wild-type and bcl-2 null mouse embryos. At the peak of naturally occurring neuronal death in the trigeminal ganglion at E14, trigeminal neurons from bcl-2(-/-) embryos initially su...
Functional magnetic resonance imaging was used to study patients with chronic neuropathic pain involving the maxillary region (V2) of the trigeminal nerve in patients with spontaneous pain and evoked pain to brush (allodynia). Patients underwent two functional scans (2-3 months apart) with mechanical and thermal stimuli applied to the affected region of V2 and to the mirror site in the unaffect...
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