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Comparative effects of quercetin and hydroalcoholic extract of Otostegia persica boiss with atorvastatin on atherosclerosis complication in male wistar rats.

ABSTRACT: The use of herbal remedies is significantly considered in the atherosclerosis treatment, reduction of fatty elements, and prevention of activity of oxidative stress factors. The present study was conducted on 48 rats in 6 groups. The experimental and sham groups were fed with 2% cholesterol for 40 days; and experimental groups were separately treated by atorvastatin, quercetin, and hydroalcoholic extract for 4 weeks. After treatment procedure, some serum factors such as low-density lipoprotein (LDL), total cholesterol (TC), malondialdehyde (MDA), and reactive oxygen species (ROS) were evaluated. Serum levels of LDL, TC, MDA, and ROS were significantly lower in experimental groups than sham group (p < .01). There was a significant decrease in serum MDA levels of these two groups in comparison with the atorvastatin-treated group (p < .05). Blood pressure parameters were decreased in treated with quercetin and hydroalcoholic extract in comparison with the sham group (p < .05). Quercetin and hydroalcoholic extract similar to atorvastatin could decrease serum lipids [except high-density lipoprotein (HDL)], oxidative stress factors, aorta contraction, weight gain, and blood pressure. These reagents improved the vascular structure and prevented the plaque formation.

SUBMITTER: Parvin A

PROVIDER: S-EPMC6766565 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Comparative effects of quercetin and hydroalcoholic extract of <i>Otostegia persica</i> boiss with atorvastatin on atherosclerosis complication in male wistar rats.

Parvin Ali A Yaghmaei Parichehreh P Noureddini Mehdi M Haeri Roohani Sayyed Ali SA Aminzadeh Saeed S

Food science & nutrition 20190816 9

The use of herbal remedies is significantly considered in the atherosclerosis treatment, reduction of fatty elements, and prevention of activity of oxidative stress factors. The present study was conducted on 48 rats in 6 groups. The experimental and sham groups were fed with 2% cholesterol for 40 days; and experimental groups were separately treated by atorvastatin, quercetin, and hydroalcoholic extract for 4 weeks. After treatment procedure, some serum factors such as low-density lipoprotein ( ...[more]

PMID: 31572581

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Project description:BackgroundDiabetes mellitus impairs the reproductive system by damaging the glands and changing their function and hormone secretions. Given the previous studies on medical properties of silk cocoon, the aim of this study was to investigate the effect of the hydroalcoholic extract of silk cocoon on pituitary-gonadal axis hormones and the testis changes in diabetic male rats.MethodsIn this experimental study, 35 male rats were divided into 5 equal groups. Control (C), nontreated diabetic rats (DNT1), and experimental diabetic rats treated (DT1) with a silk cocoon extract at concentrations of 200, 400, and 800 mg/kg for 56 days. Diabetes was induced by an injection of streptozotocin. Blood sampling was performed by the tail and heart after fasting. Body weight, serum levels of glucose, prolactin, leptin, inhibin A, IGF-2, activin A, insulin, LH, testosterone, FSH, and GnRH were measured along with the testis weight and diameter as the outcome of the study. Data were analyzed by SPSS version 20.ResultsInvestigation of hormonal factors indicated that all diabetic groups had higher prolactin, inhibin A levels than those in C group and lower leptin, IGF-2, activin A, insulin, LH, testosterone, FSH, and GnRH levels than controls. Silk cocoon treatment significantly decreased prolactin and inhibin in comparison of DNT1 group. While there was a significant increase in leptin, IGF-2, activin A, insulin, LH, testosterone, FSH, and GnRH levels compared with DNT1 (P < 0.05). A significant decrease in both the testis weights and diameters was observed in diabetic male rats compared to controls (P < 0.05). While silk cocoon treatment improved gonadal weight, the diameter of tunica albuginea, and seminiferous tubules as long as increased in numbers of spermatocytes and Sertoli-Leydig cells. Spermatogonia, spermatocyte, spermatid, spermatozoid, Sertoli cells, and Leydig cell count were significantly lower in the DNT1 group in comparison with the control group, while all groups receiving the highest dose of SC800 mg/kg daily had a higher count of cells than the DNT1 group.ConclusionIt seems that silk cocoon treatment decreases the effects of diabetes on hypothalamic-pituitary-gonadal axis.

Project description:This study is aimed at assessing the antihyperglycemic, antihyperlipidemic, and antioxidant effects of Citrus reticulata (C. reticulata) fruit peel hydroethanolic extract and two flavonoids, hesperidin and quercetin, in nicotinamide (NA)/streptozotocin- (STZ-) induced type 2 diabetic rats. In addition, GC-MS and HPLC-MS analyses of the extract were performed and the results indicated the presence of multiple flavonoids including hesperidin, quercetin, naringin, and polymethoxylated flavones (nobiletin and tangeretin). To achieve the aim of the study, diabetic rats with NA/STZ-induced T2DM were orally treated with C. reticulata fruit peel hydroethanolic extract, hesperidin, and quercetin at a dose of 100 mg/kg b.w./day for four weeks. The treatments with C. reticulata fruit peel extract, hesperidin, and quercetin significantly ameliorated the impaired oral glucose tolerance; the elevated serum fructosamine level; the diminished serum insulin and C-peptide levels; the altered HOMA-IR, HOMA-IS, and HOMA-β cell function; the decreased liver glycogen content; the increased liver glucose-6-phosphatase and glycogen phosphorylase activities; the deleteriously affected serum lipid profile; the elevated serum AST and ALT activities; and the raised serum creatinine and urea levels in the diabetic rats. The treatments also produced remarkable improvement in the antioxidant defense system manifested by a decrease in the elevated liver lipid peroxidation and an increase in the lowered glutathione content and GPx, GST, and SOD activities. Furthermore, the three treatments enhanced the mRNA expression of GLUT-4 and the insulin receptor β-subunit, but only quercetin produced a significant increase in the expression of adiponectin in adipose tissue of diabetic rats. In conclusion, C. reticulata fruit peel hydroethanolic extract, hesperidin, and quercetin have potent antidiabetic effects which may be mediated through their insulinotropic effects and insulin-sensitizing actions. In addition, the alleviation of the antioxidant defense system by the extract, hesperidin, and naringin may have an important action to enhance the antidiabetic actions and to improve liver and kidney functions in NA/STZ-induced diabetic rats.

Dataset Information

Comparative effects of quercetin and hydroalcoholic extract of Otostegia persica boiss with atorvastatin on atherosclerosis complication in male wistar rats.

Publications

Comparative effects of quercetin and hydroalcoholic extract of <i>Otostegia persica</i> boiss with atorvastatin on atherosclerosis complication in male wistar rats.

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