首页> 外文期刊>Gynecological endocrinology: the official journal of the International Society of Gynecological Endocrinology >The effect of diabetes on ovaries in a rat model: the role of interleukin-33 and apoptosis
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The effect of diabetes on ovaries in a rat model: the role of interleukin-33 and apoptosis

机译:糖尿病对大鼠卵巢的影响:白细胞介素-33和细胞凋亡的作用

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摘要

Interleukin-33 (IL-33) is a novel cytokine involved in diabetes mellitus (DM) but its role in diabetic ovarian injury is unknown. As IL-33 is modulated by apoptosis, we aimed at investigating the effect of diabetes on ovaries in terms of evaluating apoptosis and IL-33 in a rat model. In this prospective experimental study, 16 female, nonpregnant Sprague-Dawley albino rats (12 weeks, 220-240 g) were randomly divided into two groups. Group 1 included eight healthy nondiabetic rats as controls and group 2 included eight rats in which diabetes was induced by intraperitoneal (i.p) injection of streptozotocin (STZ). After overt DM occurred (blood glucose >400mgr/dl), all animals were euthanized and blood samples were collected by cardiac puncture for biochemical analysis. Bilateral oophorectomy was performed for histopathological examination. Serum levels of IL-33 and ovarian IL-33 and caspase-3 immunoexpressions were assessed. Immunoexpressions of caspase-3 and IL-33 were significantly higher in ovarian stromal cells of the diabetic rats compared to the controls. Also, in diabetic group, serum IL33 levels were significantly higher than the control group. In conclusion, increased IL-33 was observed both in serum and ovaries of STZ-induced diabetic rats as well as increased apoptosis in these diabetic rats. IL-33 may contribute to the apoptosis in diabetic ovarian injury.
机译:白细胞介素-33(IL-33)是涉及糖尿病(DM)的新细胞因子,但其在糖尿病卵巢损伤中的作用是未知的。由于IL-33通过细胞凋亡调节,我们旨在在评估大鼠模型中的凋亡和IL-33方面来研究糖尿病对卵巢的影响。在这项前瞻性实验研究中,16名女性,非妊娠Sprague-Dawley白化大鼠(12周,220-240g)被随机分为两组。第1组包括八个健康的非糖尿病大鼠,作为对照组,第2组包括胃膜内诱导的糖尿病(I.P)注射链脲佐菌素(STZ)的8只大鼠。发生明显DM(血糖> 400mgr / DL)后,所有动物都被安乐死,通过心脏穿刺进行血液样品进行生化分析。对组织病理学检查进行双侧诺柯仑切除术。评估IL-33和卵巢IL-33和Caspase-3免疫表达的血清水平。与对照相比,卵巢大鼠卵巢大鼠的Caspase-3和IL-33的免疫表达显着高。此外,在糖尿病组中,血清IL33水平显着高于对照组。总之,在STZ诱导的糖尿病大鼠血清和卵巢中观察到IL-33增加,以及这些糖尿病大鼠的细胞凋亡增加。 IL-33可能有助于糖尿病卵巢损伤的细胞凋亡。

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