[Effect of the folic acid and vitamin B2 on the diabetes mellitus rats with diabetic nephropathy].

Rongxian Xu, Yanfeng Fan, Jianjun Xiang, Meirong Zhan

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Abstract

To explore the relationship among the folic acid, vitamin B12 and diabetic nephropathy and to discuss the mechanism of the diabetic microangiopathy. We selected 80 SD rats, and then divided them into 2 groups randomly. Those were the control group and the model groups. During the process of this study, the control group was fed with the normal animal feeds; the model groups were fed with the high calorie diets for 10 weeks. At the end of the tenth week, the rats of the model group were induced to diabetes mellitus by intraperitoneal injection with streptozocin 30mg/kg, and then we divided the diabetes mellitus rats into 4 groups which measured the levels of the blood fat (total cholesterin, triglyceride), Fins, FBG, SOD, MDA, GSH-Px. Results (1) Through feeding the rats with the special feeds for a long time, and then injecting with streptozocin can make them develop to be the diabetes mellitus. The model groups' levels of the triglyceride, the cholesterin and the random blood glucose were (1.07 +/- 0.27), (2.29 +/- 0.42), (21.12 +/- 4.21) mmol/L, respectively, those were significantly higher than the control group's levels which were (1.11 +/- 0.20), (0.68 +/- 0.11), (5.73 +/- 0.26) mmol/L (P < 0.05). (2) After given different interference, for the group of the diabetes mellitus rats that without fed with vitamin B12 and folic acid, the degree of the pathological change of kidney tissue was the most serious through the method of periodic acid-Schiff' s staining (PAS), and the level of the MDA was also highest (P < 0.05), the level of the GSH-Px was lowest (P < 0.05) during the all groups. What' s more, both of the folic acid and the vitamin B12 could reduce the increase of the 24hours urinary albumin, especially using the folic acid and the vitamin B12 together. Using the special feeds to feed the SD rats for ten weeks and then inject STZ (30 mg/kg) from abdominal cavity can make them develop to be the diabetes mellitus. The supplement with folic acid and vitamin B12 had the effect of protecting the capillary of the kidney from damage, and the mechanism may have something to do with the effect of anti-oxygenation.

Original languageEnglish
Pages (from-to)911-915
Number of pages5
JournalWei sheng yan jiu = Journal of hygiene research
Volume41
Issue number6
Publication statusPublished or Issued - 1 Jan 2012

ASJC Scopus subject areas

  • Medicine(all)

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