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Rat Visceral Polymodal Receptors and Suppression by Zaltoprofen of Their Responses to Bradykinin In Vitro

机译:大鼠内脏多峰受体和扎托洛芬抑制其对缓激肽的体外反应

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摘要

The aim of this study was to examine visceral afferent characteristics in rats and investigate the effect of zaltoprofen on their responses to bradykinin. Single fiber recordings were performed using rat spermatic nerve preparations in vitro. More than 90% of units tested with thermal, mechanical and chemical (bradykinin, pH, etc) stimulations responded to all of them, and thus were identified to be polymodal receptors. The responses of these receptors to bradykinin (10~(-9) M to 10~(-5)M) showed concentration dependency. There were almost no fibers with receptive fields on the testis, unlike the canine and feline spermatic afferents. In addition, zaltoprofen (10~(-5) M), a non-steroidal anti-inflammatory drug, suppressed the bradykinin response of these receptors.
机译:这项研究的目的是检查大鼠的内脏传入特征,并研究扎托洛芬对它们对缓激肽反应的影响。在体外使用大鼠精神经制剂进行单纤维记录。经过热,机械和化学(缓激肽,pH等)刺激测试的单位中,有90%以上对它们均产生了反应,因此被鉴定为多峰受体。这些受体对缓激肽(10〜(-9)M到10〜(-5)M)的反应表现出浓度依赖性。与犬和猫的精子传入细胞不同,睾丸上几乎没有带有感受野的纤维。此外,非甾体类抗炎药扎托洛芬(10〜(-5)M)抑制了这些受体的缓激肽反应。

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