نتایج جستجو برای: گیرنده p2x3
تعداد نتایج: 6358 فیلتر نتایج به سال:
زمینه و هدف: مکانیسمهای نامشخصی در درد نوروپاتی درگیر میباشند. به نظر میرسد از بین روشهای غیردارویی، فعالیت بدنی موجب بهبود درد نوروپاتی گردد، ولی دلایل احتمالی اثر فعالیت ورزشی منظم بر درد نوروپاتی مشخص نیست؛ بنابراین در پژوهش حاضر اثر 2 هفته تمرین شنا بر بیان آنزیم gad65 و گیرنده p2x3 در مدل آسیب مزمن ناشی از فشردگی عصب (cci) عصب سیاتیک موردبررسی قرار گرفت. مواد و روشها: چهل سر موش صحرای...
زمینه و هدف: مکانیسمهای نامشخصی در درد نوروپاتی درگیر میباشند. به نظر میرسد از بین روشهای غیردارویی، فعالیت بدنی موجب بهبود درد نوروپاتی گردد، ولی دلایل احتمالی اثر فعالیت ورزشی منظم بر درد نوروپاتی مشخص نیست؛ بنابراین در پژوهش حاضر اثر 2 هفته تمرین شنا بر بیان آنزیم GAD65 و گیرنده P2X3 در مدل آسیب مزمن ناشی از فشردگی عصب (CCI) عصب سیاتیک موردبررسی قرار گرفت. مواد و روشها: چهل سر موش صحرای...
The P2X3 receptor plays a vital role in sensory processing and transmission. The assembly and trafficking of the P2X3 receptor are important for its function in primary sensory neurons. As an important inflammation mediator, ATP is released from different cell types around primary sensory neurons, especially under pathological pain conditions. Here, we show that α, β-MeATP dramatically promoted...
BACKGROUND ATP-gated P2X3 receptors are important transducers of nociceptive stimuli and are almost exclusively expressed by sensory ganglion neurons. In mouse trigeminal ganglion (TG), P2X3 receptor function is unexpectedly enhanced by pharmacological block of natriuretic peptide receptor-A (NPR-A), outlining a potential inhibitory role of endogenous natriuretic peptides in nociception mediate...
Purinergic signaling contributes significantly to pain mechanisms, and the nociceptor-specific P2X3 ATP receptor channel is considered a target in pain therapeutics. Recent findings suggesting the coexpression of metabotropic P2Y receptors with P2X3 implies that ATP release triggers the activation of both ionotropic and metabotropic purinoceptors, with strong potential for functional interactio...
Differential expression and pharmacology of native P2X receptors in rat and primate sensory neurons.
Evidence suggesting the involvement of P2X2 and P2X3 in chronic pain has been obtained mostly from rodent models. Here we show that rodents may be poor predictors of P2X3 pharmacology in human. We demonstrate that monkey and human dorsal root ganglion (DRG) neurons do not express appreciable levels of P2X2 subunit, contrary to rat sensory neurons. Additionally, we report functional P2X3 activit...
Extracellular ATP acts on purinergic receptors as a potent agonist for a variety of different cell types, including cardiomyocytes and nodose ganglia. P2X3 receptor is the most abundant P2X-receptor subtype in heart and nodose ganglia. This study wants to observe the role of P2X3 receptor in myocardial ischemic injury and nociceptive transmission via nodose ganglia. The serum lactate dehydrogen...
Purinergic signaling contributes significantly to pain mechanisms, and the nociceptor-specific P2X3 ATP receptor channel is considered a target in pain therapeutics. Recent findings suggesting the coexpression of metabotropic P2Y receptors with P2X3 implies that ATP release triggers the activation of both ionotropic and metabotropic purinoceptors, with strong potential for functional interactio...
ATP-gated P2X3 receptors are expressed by nociceptive neurons and participate in transduction of pain. Responsiveness of P2X3 receptors is strongly reduced at low temperatures, suggesting a role for these receptors in analgesic effects of cooling. Since sustained responsiveness depends on receptor trafficking to the plasma membrane, we employed total internal reflection fluorescence (TIRF) micr...
Extracellular ATP plays a role in nociceptive signalling and sensory regulation of visceral function through ionotropic receptors variably composed of P2X2 and P2X3 subunits. P2X2 and P2X3 subunits can form homomultimeric P2X2, homomultimeric P2X3, or heteromultimeric P2X2/3 receptors. However, the relative contribution of these receptor subtypes to afferent functions of ATP in vivo is poorly u...
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