نتایج جستجو برای: p2x3
تعداد نتایج: 460 فیلتر نتایج به سال:
Altered purinergic signaling in colorectal dorsal root ganglion neurons 1 contributes to colorectal hypersensitivity 2 3 Masamichi Shinoda, Jun-Ho La, Klaus Bielefeldt, G. F. Gebhart 4 Center for Pain Research, Departments of Anesthesiology and Medicine, 5 School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213 6 7 Running title; P2X3 receptors contribute to colon hypersensitivity 8 ...
We carried out immunohistochemistry and western blotting of fresh frozen sections and crude extracts from adult rat thyroids. The histochemical and immunoblotting studies were performed with P2X receptor antibodies from 2 different sources. P2X-immunopositive cells were identified by fluorescence double labelling and confocal microscopy. Results of the western blotting experiments showed double...
ATP-gated ion channels (P2X receptors) are abundantly expressed in both neuronal and nonneuronal tissues, where they can serve as postsynaptic receptors. The response to ATP shows marked desensitization in some tissues but not others. Currents induced by ATP in Xenopus oocytes expressing cloned P2X1 (or P2X3) receptor had strong desensitization, whereas currents in cells expressing P2X2 recepto...
ATP contributes to mechanosensory transduction in the rat colorectum. P2X3 receptors are present on dorsal root ganglia (DRG) neurons that supply this area of the gut. Previous studies have shown an increased role for ATP in inflamed tissues. We aimed to investigate whether an increased purinergic component exists during mechanosensory transduction in a rat model of colitis. An in vitro rat col...
Homomeric P2X3 receptors are present in sensory ganglia and participate in pain perception. Amino acid (AA) residues were replaced in the four supposed nucleotide binding segments (NBSs) of the human (h) P2X3 receptor by alanine, and these mutants were expressed in HEK293 cells and Xenopus laevis oocytes. Patch clamp and two-electrode voltage clamp measurements as well as the Ca(2+) imaging tec...
Nociceptive neurons in the dorsal root ganglia (DRG) are activated by extracellular ATP, implicating P2X receptors as potential mediators of painful stimuli. However, the P2X receptor subtype(s) underlying this activity remain in question. Using electrophysiological techniques, the effects of P2X receptor agonists and antagonists were examined on acutely dissociated adult rat lumbar DRG neurons...
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