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CHRONIC EFFECT OF HYPERPROLACTINEMIA ON BLOOD GLUCOSE AND LIPID LEVELS IN MICE

机译:泌乳素过多症对小鼠血糖和脂质水平的慢性影响

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We studied the chronic effects of hyperprolactinemia, induced by ectopic pituitary grafting, on blood glucose and lipid levels in adult male mice. For one year after pituitary grafting, we measured the blood levels of prolactin, growth hormone (GK), insulin, glucose and free fatty acid (FFA) at various intervals. The graft caused consistent hyperprolactinemia without changes in the serum GH levels. Hypoglycemia developed at 1 and 3 months after grafting but was not accompanied by any changes of the serum insulin levels. Thereafter, the blood glucose and serum insulin levels began to increase in the pituitary-grafted (PG) mice, and at 12 months after the operation, both levels became significantly higher in PG mice than controls. The serum FFA levels and the weight of epididymal fat bodies were significantly lower in PG mice than controls from 3-12 months after the grafting. Thus, hyperprolactinemia leads to persistent hypolipidemia and biphasic changes in the blood glucose level. [References: 26]
机译:我们研究了由异位垂体移植引起的高泌乳素血症对成年雄性小鼠血糖和血脂水平的慢性影响。垂体移植一年后,我们以不同的时间间隔测量了催乳素,生长激素(GK),胰岛素,葡萄糖和游离脂肪酸(FFA)的血液水平。移植物引起持续的高泌乳素血症,而血清GH水平没有变化。移植后1和3个月出现低血糖,但未伴随血清胰岛素水平的任何变化。此后,垂体移植(PG)小鼠的血糖和血清胰岛素水平开始升高,并且在手术后12个月,PG小鼠的血糖和血清胰岛素水平均显着高于对照组。移植后3至12个月,PG小鼠的血清FFA水平和附睾脂肪体重明显低于对照组。因此,高泌乳素血症导致持续的低脂血症和血糖水平的双相变化。 [参考:26]

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