首页> 美国卫生研究院文献>Journal of the Boston Society of Medical Sciences >Effects of nutrition on disease and life span. I. Immune responses cardiovascular pathology and life span in MRL mice.
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Effects of nutrition on disease and life span. I. Immune responses cardiovascular pathology and life span in MRL mice.

机译:营养对疾病和寿命的影响。 I. MRL小鼠的免疫反应心血管病理和寿命。

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摘要

Mice of the autoimmune, lymphoproliferative strain MRL/lpr and the congenic, nonlymphoproliferative strain MRL were fed one of six diets from weaning on-ward. These mice were sacrificed at 3 or 5 months of age. Low fat diets resulted in lower cholesterol and higher triglyceride levels than did cholesterol-containing high-fat diets. Caloric restriction of MRL/lpr mice was associated with an increased plaque-forming cell response to trinitrophenylated polyacrylamide beads, less lymphoproliferation, and less severe glomerulonephritis. Diet did not affect the incidence of autoimmune vasculitis in MRL/lpr mice sacrificed at 5 months. MRL/lpr mice fed a low-fat, calorically restricted diet from 5 months of age to death lived longer than mice which were fed ad libitum a cholesterol-containing, high-fat diet. At death, MRL/lpr mice fed the former diet had the autoimmune vasculitis which had been evident in mice killed at 5 months, whereas mice fed the latter diet, in addition to the vasculitis, had a high incidence of atherosclerotic lesions of intrarenal and aortic branch arteries.
机译:自断奶开始,对六种日粮中的一种饲喂了自身免疫性,淋巴增生性菌株MRL / lpr和同基因,非淋巴增生性菌株MRL / n的小鼠。在3或5个月大时处死这些小鼠。与含胆固醇的高脂饮食相比,低脂饮食导致较低的胆固醇和较高的甘油三酸酯水平。 MRL / lpr小鼠的热量限制与对三硝基苯基化聚丙烯酰胺珠的噬菌斑形成细胞反应增加,淋巴增殖减少和严重肾小球肾炎有关。在5个月处死的MRL / lpr小鼠中,饮食不影响自身免疫性血管炎的发生。从5个月大龄到死亡喂养低脂,受热量限制的饮食的MRL / lpr小鼠的寿命比任意喂养含胆固醇的高脂饮食的小鼠的寿命长。死亡时,饲喂前一种饮食的MRL / lpr小鼠患有自身免疫性血管炎,这在5个月大的小鼠死亡时很明显,而饲喂后者的小鼠除血管炎外,肾内和主动脉粥样硬化病变的发生率也很高。分支动脉。

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