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Adenosine analogues modulate the incidence of sleep apneas in rats.

机译:腺苷类似物调节大鼠睡眠呼吸暂停的发生率。

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The effects of adenosine A1 and A2 agonists on spontaneous central sleep apneas in rats have been examined by simultaneously monitoring sleep and respiration in freely moving unanesthetized animals. Intraperitoneal administration of 1.0 mg/kg of the A1 receptor agonist R(-)N6-L-(2-phenyl-isopropyl)adenosine (L-PIA) and 150 and 300 micrograms/kg of 2-p-(2-carboxyethyl)phenethylamino-5'-N-ethylcarboxamido-adenosine hydrochloride (CGS 21680), a selective A2 agonist, decreased the apnea index (AI) during sleep. Within a sleep period, AI increased over time in both control and drug-treated animals. For both agonists, doses effective in reducing AI also significantly reduced sleep efficiency.
机译:腺苷A1和A2激动剂对大鼠自发性中枢性睡眠呼吸暂停的作用已通过同时监测自由运动的未麻醉动物的睡眠和呼吸进行了检查。腹膜内给予1.0 mg / kg的A1受体激动剂R(-)N6-L-(2-苯基-异丙基)腺苷(L-PIA)和150和300微克/ kg的2-p-(2-羧乙基)选择性A2激动剂苯乙氨基5'-N-乙基羧酰胺基腺苷盐酸盐(CGS 21680)降低了睡眠期间的呼吸暂停指数(AI)。在睡眠期内,对照动物和药物治疗动物的AI随时间增加。对于两种激动剂,有效降低AI的剂量也显着降低了睡眠效率。

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