Diabetes alters the mRNA expression of insulin-like growth factors and their receptors in the mouse fallopian tube and uterus during the preimplantation stages

被引:0
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作者
Zakaria, Rahimah [1 ]
Rajikin, Mohd Hamim [3 ]
Yaacob, Nik Soriani
Nor, Norazmi Mohd [2 ]
机构
[1] Univ Sains Malaysia, Sch Med Sci, Dept Physiol, Kota Baharu 16150, Kelantan, Malaysia
[2] Univ Sains Malaysia, Sch Hlth Sci, Kota Baharu 16150, Kelantan, Malaysia
[3] Univ Teknol MARA, Fac Med, Shah Alam, Selangor, Malaysia
关键词
IGFs; IGF receptors; diabetes; fallopian tube; uterus; embryopathy;
D O I
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中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The possible role of insulin-like growth factors (IGFs) and their receptors (IGFRs) in the pathogenesis of diabetic embryopathy was investigated. Sexually mature female ICR mice of 6-8 weeks old were made diabetic by a single intraperitoneal injection with 200 mg/kg streptozotocin ten days prior to mating. Fallopian tubes and uterine tissues were obtained from the superovulated diabetic and normal mice 48, 72 and 96 hours following human chorionic gonadotropin (hCG) injection. The mRNA expression of IGF-1 and IGF-2 as well as their receptors was determined in the tissues using Real-time Polymerase Chain Reaction (Real-time PCR). The mRNA expression of IGF-1 in the fallopian tube and uterus of the diabetic mice was significantly lower 72 and 96 hours after hCG treatment, respectively, as compared to the controls. The mRNA expression of IGF-1R at 96 hours post-hCG treatment was significantly higher in the fallopian tube and lower in the uterus of the diabetic mice as compared to the controls. The mRNA expression IGF-2 in the fallopian tube was significantly higher 48 and 96 hours after hCG treatment, but was lower in the uterus of diabetic mice 96 hours after hCG treatment as compared to controls. The mRNA expression of IGF-2R in the diabetic mice was significantly higher 48 and 96 hours (the fallopian tube) and 48 hours (uterus) after hCG treatments as compared to the controls. In conclusion, an alteration in mRNA expression of IGFs and their receptors in the diabetic mice as observed in this study could possibly result in diabetic embryopathy.
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页码:41 / 53
页数:13
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