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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Pattern of insulin delivery affects hepatic insulin sensitizing substance (HISS) action and insulin resistance.
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Pattern of insulin delivery affects hepatic insulin sensitizing substance (HISS) action and insulin resistance.

机译:胰岛素的输送方式会影响肝胰岛素敏感物质(HISS)的作用和胰岛素抵抗。

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摘要

Hepatic insulin sensitizing substance (HISS) action accounts for 55% of the glucose disposal effect of a bolus of insulin in the fed state. To determine the effect of continuous versus pulsatile insulin delivery on HISS action in male Sprague–Dawley rats, insulin sensitivity was assessed using the rapid insulin sensitivity test (RIST) before and after a continuous, pulsatile, or bolus insulin (60 mU/kg i.v.) delivery. There was a significant difference in the RIST index after a continuous insulin infusion (247.9 mg/kg before, 73.2 mg/kg after) but not after 3 pulses where insulin action returned to baseline between pulses (211.6 mg/kg before, 191.0 mg/kg after) or single bolus (205.8 mg/kg before, 189.9 mg/kg after) insulin infusion. If a 3-pulse infusion was timed so that insulin action did not return to baseline between pulses, HISS action was suppressed. Continuous insulin infusion (10–30 min) showed progressive postinfusion blockade of HISS action. To maintain HISS-dependent insulin action, continuous insulin infusions should be avoided.
机译:在进食状态下,肝胰岛素敏化物质(HISS)的作用占大剂量胰岛素的葡萄糖处置效果的55%。为了确定连续性和搏动性胰岛素递送对雄性Sprague-Dawley大鼠HISS作用的影响,在连续性,搏动性或推注胰岛素(60 mU / kg iv)前后,使用快速胰岛素敏感性测试(RIST)评估了胰岛素敏感性。 ) 交货。连续输注胰岛素后(247.9 mg / kg之前,之后为73.2 mg / kg),但连续3次脉冲后之间的RIST指数存在显着差异,而在两次脉冲之间(211.6 mg / kg之前,191.0 mg / kg) )或单次推注(之前205.8 mg / kg,之后189.9 mg / kg)胰岛素输注。如果定时输注3次脉冲,以使两次脉冲之间的胰岛素作用未恢复到基线,则HISS作用会受到抑制。持续输注胰岛素(10–30分钟)显示输注后HISS行为逐渐被阻断。为了维持HISS依赖性胰岛素作用,应避免连续输注胰岛素。

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