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首页> 外文期刊>Sao Paulo Medical Journal >Effect of metabolic control on the in vitro proliferation of peripheral blood mononuclear cells in type 1 and type 2 diabetic patients
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Effect of metabolic control on the in vitro proliferation of peripheral blood mononuclear cells in type 1 and type 2 diabetic patients

机译:代谢控制对1型和2型糖尿病患者外周血单个核细胞体外增殖的影响

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CONTEXT AND OBJECTIVE: Diabetes mellitus is a clinical syndrome that frequently leads to the development of chronic complications and high susceptibility to infections. It is probably due to defective immunological defense, which may be related to metabolic control of the disease. The aim of this study was to evaluate the effect of metabolic control on immune-cell behavior in type 1 and type 2 diabetic patients. For this, the in vitro proliferation of peripheral blood mononuclear cells (PBMC) was analyzed in patients with inadequate and adequate metabolic control. DESIGN AND SETTING: Experimental/laboratory study at a university hospital. METHODS: Eleven type 1 and thirteen type 2 diabetic patients were studied, together with 21 healthy individuals divided in two groups (11/10), who were matched by sex and age with those diabetic patients. PBMC cultures stimulated with concanavalin-A (Con-A) were used to measure 3H-thymidine incorporation after 72 hours of cell culturing. For patients with inadequate metabolic control, culturing was performed on the first day of patient hospitalization and again after intensive treatment to achieve adequate control. RESULTS: The proliferation index for Con-A-stimulated cultures from type 1 diabetic patients was significantly greater than that for cultures from healthy individuals and type 2 diabetic patients, independent of metabolic control. A negative correlation between the proliferation cell index and body mass index and serum C-reactive protein levels was also observed. CONCLUSION: The increase in the proliferation capacity of type 1 diabetic T lymphocytes was probably not caused by hyperglycemia and/or insulinopenia related to inadequate metabolic control.
机译:背景与目的:糖尿病是一种临床综合征,经常导致慢性并发症的发生和对感染的高度敏感性。这可能是由于免疫防御功能缺陷所致,可能与疾病的代谢控制有关。这项研究的目的是评估代谢控制对1型和2型糖尿病患者免疫细胞行为的影响。为此,在代谢控制不充分的患者中分析了外周血单个核细胞(PBMC)的体外增殖。设计与设置:在大学医院进行实验/实验室研究。方法:研究了11名1型和13名2型糖尿病患者,以及21位分为两组(11/10)的健康个体,这些患者按性别和年龄与糖尿病患者匹配。在细胞培养72小时后,用伴刀豆球蛋白A(Con-A)刺激的PBMC培养物用于测量3H-胸苷的掺入。对于代谢控制不充分的患者,在患者住院的第一天和强化治疗后再次进行培养以实现充分的控制。结果:1型糖尿病患者的Con-A刺激培养物的增殖指数显着高于健康个体和2型糖尿病患者的培养物,而与代谢控制无关。还观察到增殖细胞指数和体重指数与血清C反应蛋白水平之间呈负相关。结论:1型糖尿病T淋巴细胞的增殖能力增加可能不是由于与代谢控制不充分相关的高血糖和/或胰岛素缺乏引起的。

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