scholarly journals Cinnamon as Dietary Supplement Caused Hyperlipidemia in Healthy Rats

2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Xiaomin Huang ◽  
Haiyang Cai ◽  
Han Li ◽  
Yixun Su ◽  
Hui Li ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
Blood Glucose ◽  
De Novo ◽  
Fasting Blood Glucose ◽  
Sirtuin 1 ◽  
Male Rats ◽  
Blood Cholesterol ◽  
Sprague Dawley ◽  
Metabolic Markers ◽  
The Impact

Objective. Cinnamon is a cooking spice and a medicinal herb. It is increasingly used as a health supplement due to its perceived benefit to prevent and or manage type 2 diabetes and metabolic disorders. However, it is unclear if regular consumption of this medicinal plant will interfere with normal physiological functions. Therefore, this study investigated the impact of daily cinnamon supplements on glucose and lipid metabolic profiles in healthy rats. Methods. Male rats (Sprague Dawley, 8 weeks) were supplied with cinnamon in their diet (equivalent to ∼1 g/day in humans) for two weeks. Blood glucose and lipid levels, as well as metabolic markers in both liver and abdominal white adipose tissue, were measured. Results. Cinnamon significantly increased fat mass and blood cholesterol and low-density lipoprotein (LDL) levels, but reduced fasting blood glucose level by 12%. Liver functional enzymes were normal in rats consuming cinnamon. However, several lipid metabolic markers were impaired which may contribute to dyslipidemia, including two main switches for energy metabolism (sirtuin 1 and peroxisome proliferator-activated receptor-gamma coactivator-1α) and the LDL receptor. However, de novo lipid synthesis enzymes and inflammatory markers were also reduced in the liver by cinnamon treatment, which may potentially prevent the development of steatosis. Markers for lipid oxidation were downregulated in fat tissue in cinnamon-treated rats, contributing to increased fat accumulation. Conclusion. Daily low-dose cinnamon supplementation seems to promote abdominal adipose tissue accumulation and disturb lipid homeostasis in healthy rats, raising the concerns regarding daily use in healthy people.

scholarly journals Myrmecodia platytyrea Methanol Tuber Extract Ameliorates Hyperglycemia In STZ-Induced Diabetic Sprague-Dawley Male Rats

2021 ◽  
pp. 338-348
Author(s):  
Mizaton Hazizul Hasan ◽  
Hasbullani Zakaria ◽  
Ibtisam Abdul Wahab ◽  
Thellie Ponto ◽  
Aishah Adam
Keyword(s):  
Blood Glucose ◽  
Fasting Blood Glucose ◽  
Density Lipoprotein ◽  
Diabetic Rats ◽  
Male Rats ◽  
Current Therapy ◽  
Diabetic Patients ◽  
Sprague Dawley ◽  
Tuber Extract

Type 2 diabetes mellitus (T2DM) is one of the main non-communicable chronic diseases that has many complications that compromise the quality of life. Hence, the need to find alternatives to replace the current therapy or as an adjuvant. Tubers of Myrmecodia platytytrea (Rubiaceae) has been used traditionally as an alternative therapy for the management of cancer and other inflammatory-related disorders. The aim of this study was to investigate the potency of M. platytytrea methanolic tuber extract (MPMTE) as an antihyperglycemic agent, in vivo. :The streptozotocin (STZ)-induced diabetic rats were treated orally with MPMTE (100, 200 and 400 mg/kg) and metformin (positive control, 100 mg/kg) daily for 14 days. Blood glucose level and other biochemistry analysis were conducted including histological examination on liver, kidney and pancreas.  The STZ-induced diabetic rats treated with MPMTE (200 and 400 mg/kg) had significant decreased (p<0.05) in fasting blood glucose, total cholesterol, triglycerides and low-density lipoprotein (LDL) with no significant changes in high-density lipoprotein (HDL) compared to STZ-induced untreated diabetic rats. Liver, kidney and pancreas were devoid of any damage caused by STZ.  MPMTE had strong antihyperglycaemic activity and was protective against any STZ-induced organ damage. Thus, MPMTE can be further developed into an adjuvant therapy for diabetic patients.

Anti-Diabetic and Angio-Protective Effect of Guluronic Acid (G2013) as a New Nonsteroidal Anti-Inflammatory Drug in the Experimental Model of Diabetes

2020 ◽  
Vol 20 (3) ◽  
pp. 446-452
Author(s):  
Seyed S. Mortazavi-Jahromi ◽  
Shahab Alizadeh ◽  
Mohammad H. Javanbakht ◽  
Abbas Mirshafiey
Keyword(s):  
Gene Expression ◽  
Blood Glucose ◽  
Food Intake ◽  
Experimental Model ◽  
Serum Insulin ◽  
Fasting Blood Glucose ◽  
Diabetic Control ◽  
The Body ◽  
Sprague Dawley ◽  
Guluronic Acid

Background: This study aimed to investigate the effects of guluronic acid (G2013) on blood sugar, insulin, and gene expression profile of oxLDL receptors (SR-A, CD36, LOX-1, and CD68) in the experimental model of diabetes. Methods: 18 Sprague Dawley rats were randomly assigned to three groups of healthy control, diabetic control, and G2013 group. Diabetes was induced through intraperitoneal (IP) injection of 60 mg/kg streptozotocin. The subjects were IP treated with 25 mg/kg of G2013 per day for 28 days. The body weight, food intake, fasting blood glucose and insulin were measured. In addition, the expression of mentioned genes was investigated through quantitative real-time PCR. Results: The data showed that the final weight increased significantly in the G2013-treated subjects compared to the diabetic control (p < 0.05). The results indicated that final food intake significantly reduced in the G2013-treated subjects compared to the diabetic control (p < 0.05). The study findings also suggested that the final fasting blood glucose significantly reduced in the G2013-treated group, whereas the final fasting serum insulin level significantly increased in this group compared to the diabetic control (p < 0.05). Moreover, the gene expression levels of SR-A, CD36, LOX-1, and CD68 in the G2013 group significantly reduced compared to the diabetic control (p < 0.05). Conclusion: This study showed that G2013, could reduce blood glucose and increase insulin levels and reduce the gene expression level of oxLDL receptors. In addition, it may probably play an important role in reducing the severity of diabetes-induced inflammatory symptoms.

Neonatal IL-4 exposure decreases adipogenesis of male rats into adulthood

2021 ◽  
Author(s):  
Tammy Ying ◽  
Thea N. Golden ◽  
Lan Cheng ◽  
Jeff Ishibashi ◽  
Patrick Seale ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
Neonatal Period ◽  
Uncoupling Protein ◽  
Adipogenic Differentiation ◽  
Male Rats ◽  
Interleukin 4 ◽  
Sprague Dawley ◽  
Fat Cell ◽  
Subcutaneous White Adipose Tissue

The cytokine interleukin 4 (IL-4) can increase beige adipogenesis in adult rodents. However, neonatal animals use a distinct adipocyte precursor compartment for adipogenesis compared to adults. In this study, we address whether IL-4 can induce persistent effects on adipose tissue when administered subcutaneously in the interscapular region during the neonatal period in Sprague Dawley rats. We injected IL-4 into neonatal male rats during postnatal days 1-6, followed by analysis of adipose tissue and adipocyte precursors at 2 weeks and 10 weeks of age. Adipocyte precursors were cultured and subjected to differentiation in vitro. We found that a short and transient IL-4 exposure in neonates upregulated uncoupling protein 1 (Ucp1) mRNA expression and decreased fat cell size in subcutaneous white adipose tissue (WAT). Adipocyte precursors from mature rats that had been treated with IL-4 as neonates displayed a decrease in adiponectin (Adipoq) but no change in Ucp1 expression, as compared to controls. Thus, neonatal IL-4 induces acute beige adipogenesis and decreases adipogenic differentiation capacity long term. Overall, these findings indicate that the neonatal period is critical for adipocyte development and may influence the later onset of obesity.

scholarly journals Mouse breast cancer model-dependent changes in metabolic syndrome-associated phenotypes caused by maternal dioxin exposure and dietary fat

2009 ◽  
Vol 296 (1) ◽  
pp. E203-E210 ◽  
Author(s):  
Michele La Merrill ◽  
David S. Baston ◽  
Michael S. Denison ◽  
Linda S. Birnbaum ◽  
Daniel Pomp ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Metabolic Syndrome ◽  
Adipose Tissue ◽  
Blood Glucose ◽  
Estrogenic Activity ◽  
Fasting Blood Glucose ◽  
Growth Spurt ◽  
Cancer Model ◽  
Serum Triglycerides ◽  
Cancer Models

Diets high in fat are associated with increased susceptibility to obesity and metabolic syndrome. Increased adipose tissue that is caused by high-fat diets (HFD) results in altered storage of lipophilic toxicants like 2,3,7,8-tetrachlorodibenzo- p-dioxin (TCDD), which may further increase susceptibility to metabolic syndrome. Because both TCDD and HFD are associated with increased breast cancer risk, we examined their effects on metabolic syndrome-associated phenotypes in three mouse models of breast cancer: 7,12-dimethylbenz[a]anthracene (DMBA), Tg(MMTV-Neu)202Mul/J (HER2), and TgN(MMTV-PyMT)634Mul/J (PyMT), all on an FVB/N genetic background. Pregnant mice dosed with 1 μg/kg of TCDD or vehicle on gestational day 12.5 were placed on a HFD or low-fat diet (LFD) at parturition. Body weights, percent body fat, and fasting blood glucose were measured longitudinally, and triglycerides were measured at study termination. On HFD, all cancer models reached the pubertal growth spurt ahead of FVB controls. Among mice fed HFD, the HER2 model had a greater increase in body weight and adipose tissue from puberty through adulthood compared with the PyMT and DMBA models. However, the DMBA model consistently had higher fasting blood glucose levels than the PyMT and HER2 models. TCDD only impacted serum triglycerides in the PyMT model maintained on HFD. Because the estrogenic activity of the HFD was three times lower than that of the LFD, differential dietary estrogenic activities did not drive the observed phenotypic differences. Rather, the HFD-dependent changes were cancer model dependent. These results show that cancer models can have differential effects on metabolic syndrome-associated phenotypes even before cancers arise.

scholarly journals Identification of Potential Therapeutic Targets in the Liver of Pioglitazone-Treated Type 2 Diabetes Sprague-Dawley Rats via Expression Profile Chip and iTRAQ Assay

2018 ◽  
Vol 2018 ◽  
pp. 1-9
Author(s):  
Zhong-Xia Lu ◽  
Wen-Jun Xu ◽  
Yang-Sheng Wu ◽  
Chang-Yu Li ◽  
Yi-Tao Chen
Keyword(s):  
Type 2 Diabetes ◽  
Blood Glucose ◽  
Differentially Expressed Genes ◽  
Fasting Blood Glucose ◽  
Treated Group ◽  
Differentially Expressed ◽  
Model Group ◽  
Sprague Dawley ◽  
Sprague Dawley Rats

The aim of the present study was to identify key antidiabetic nodes in the livers of pioglitazone-treated type 2 diabetes mellitus Sprague-Dawley rats by transcriptomic and proteomic analysis. Rats were randomly divided into the control, the diabetes model, and the pioglitazone-treated groups. After treatment with pioglitazone for 11 weeks, the effects on fasting blood glucose, body weight, and blood biochemistry parameters were evaluated. Microarray and iTRAQ analysis were used to determine the differentially expressed genes/proteins in rat livers. 1.5-fold changes in gene expression and 1.2-fold changes in protein were set as the screening criteria. After treatment with pioglitazone for 11 weeks, fasting blood glucose in pioglitazone-treated rats was significantly lower than that in the model group. There was a tendency for pioglitazone to reduce TC, TG, TP, ALB, BUN, and HDL-c levels. Kyoto Encyclopedia of Genes and Genomes (KEGG) and gene ontology (GO) were applied to analyze differentially expressed genes/proteins. Furthermore, Western blotting and RT-qPCR were used to validate the results of microarray and iTRAQ. In conclusion, Cyp7a1, Cp, and RT1-EC2 are differentially expressed genes/proteins since they showed a similar trend in rats in the model group and the pioglitazone-treated group.

scholarly journals Dietary Vitamin B6 Deficiency Impairs Gut Microbiota and Host and Microbial Metabolites in Rats

Biomedicines ◽  
2020 ◽  
Vol 8 (11) ◽  
pp. 469
Author(s):  
Shyamchand Mayengbam ◽  
Faye Chleilat ◽  
Raylene A. Reimer
Keyword(s):  
Gut Microbiota ◽  
Vitamin B6 ◽  
Dietary Vitamin ◽  
Enzymatic Reactions ◽  
Sprague Dawley ◽  
Microbial Composition ◽  
Metabolic Markers ◽  
Vitamin B6 Deficiency ◽  
The Difference ◽  
The Impact

Vitamin B6 plays a crucial role as a cofactor in various enzymatic reactions but bacteria-produced vitamin B6 is not sufficient to meet host requirements. Our objective was to assess the impact of diet-derived vitamin B6 on gut microbiota and host serum metabolomics. Sprague–Dawley rats (n = 47) were fed a control, low B6 (LB6) or high B6 (HB6) diet for six weeks. Serum and cecal samples were collected for biochemical, metabolomics and gut microbiota profiling. There was a significant sex effect for gut microbiota and several metabolic markers. Bodyweight and percent body fat were significantly reduced in LB6 compared to control and HB6 rats. Microbial beta-diversity differed significantly between LB6 and the control and HB6 rats in both sexes. Lachnospiraceae_NK4A136_group and Bacteroides were the primary taxa driving the difference between LB6 and control. There was a significant separation of cecal and serum metabolites of LB6 compared to control and HB6 rats. In the cecum, arginine biosynthesis was impaired, while vitamin B6 metabolism, lysine degradation and nicotinate and nicotinamide metabolism were impaired in serum metabolite profiles. Cecal propionate and butyrate were significantly reduced in LB6 rats irrespective of sex. Host vitamin B6 deficiency but not excess significantly alters gut microbial composition and its metabolites.

scholarly journals Pengaruh suplementasi β-carotene terhadap kadar glukosa darah dan kadar malondialdehida pada tikus sprague dawley yang diinduksi Streptozotocin

2014 ◽  
Vol 2 (2) ◽  
pp. 41-46
Author(s):  
Elida Soviana ◽  
Banundari Rachmawati ◽  
Nyoman Suci Widyastiti
Keyword(s):  
Free Radicals ◽  
Blood Glucose ◽  
Blood Glucose Level ◽  
Glucose Level ◽  
Negative Control ◽  
Male Rats ◽  
Sprague Dawley ◽  
Significant Difference ◽  
Decrease Blood Glucose ◽  
Β Carotene

Background : Hyperglycemia on diabetes mellitus can cause increasing of free radicals production. Free radicals caused lipid peroxidation reaction by forming malondialdehyde (MDA). β-carotene has antioxidant activity may inhibit the formation of ROS.Objective : To prove the effect of multilevel doses β-carotene 1 mg/kg BW, 20 mg/kg BW and 20 mg/kg BW on alternate days within 30 days orally supplementation on blood glucose level and MDA level on Sprague Dawley male rats induced by streptozotocin (STZ). Methods : Thirty rats were randomly divided into 5 groups: X1=Negative control/diabetic, X2 (STZ 40 mg/kg BW + BC 1 mg/kg BW), X3 (STZ 40 mg/kg BW + BC 10mg/kg BW), X4 (STZ 40 mg/kg BW + BC 20 mg/kg BW), X5 (technic control/non diabetic). β-Carotene supplementation was given by nasogastric tube on alternate days within thirty days. Blood glucose level was measured by GOD-PAP and MDA level by ELISA with TBARS methods. Data was analized using paired t-test, wilcoxon, one way anova and post hoc bonferroni. Results : there was a significant difference of blood glucose level (p = 0,0001) and MDA level (p = 0,0001) after suplementation β-carotene on alternate days within 30 days orally. β-carotene 10 mg/kg BW was the most effective and efficient dose to lowering blood glucose, while 20 mg/kg BW to lowering MDA level. Conclusion : The multilevel doses β-carotene (1 mg/kg BW, 10 mg/kg BW and 20 mg/kg BW) on alternate days within 30 days orally supplementation can decrease blood glucose and MDA level. β-carotene 10 mg/kg BW is the most effecetive and efficient to decrease blood glucose and β-carotene 20 mg/kg BW to decrease MDA level.

scholarly journals Chronic dietary supplementation of proanthocyanidins corrects the mitochondrial dysfunction of brown adipose tissue caused by diet-induced obesity in Wistar rats

2011 ◽  
Vol 107 (2) ◽  
pp. 170-178 ◽  
Author(s):  
David Pajuelo ◽  
Helena Quesada ◽  
Sabina Díaz ◽  
Anabel Fernández-Iglesias ◽  
Anna Arola-Arnal ◽  
...  
Keyword(s):  
Gene Expression ◽  
Adipose Tissue ◽  
Brown Adipose Tissue ◽  
Mitochondrial Dysfunction ◽  
Mitochondrial Function ◽  
Citrate Synthase ◽  
Sirtuin 1 ◽  
Male Rats ◽  
Diet Induced Obesity ◽  
Brown Adipose

The present study aims to determine the effects of grape seed proanthocyanidin extract (GSPE) on brown adipose tissue (BAT) mitochondrial function in a state of obesity induced by diet. Wistar male rats were fed with a cafeteria diet (Cd) for 4 months; during the last 21 d, two groups were treated with doses of 25 and 50 mg GSPE/kg body weight. In the BAT, enzymatic activities of citrate synthase, cytochrome c oxidase (COX) and ATPase were determined and gene expression was analysed by real-time PCR. The mitochondrial function of BAT was determined in fresh mitochondria by high-resolution respirometry using both pyruvate and carnitine–palmitoyl-CoA as substrates. The results show that the Cd causes an important decrease in the gene expression of sirtuin 1, nuclear respiratory factor 1, isocitrate dehydrogenase 3γ and COX5α and, what is more telling, decreases the levels of mitochondrial respiration both with pyruvate and canitine–palmitoyl-CoA. Most of these parameters, which are indicative of mitochondrial dysfunction due to diet-induced obesity, are improved by chronic supplementation of GSPE. The beneficial effects caused by the administration of GSPE are exhibited as a protection against weight gain, in spite of the Cd the rats were fed. These data indicate that chronic consumption of a moderate dose of GSPE can correct an energy imbalance in a situation of diet-induced obesity, thereby improving the mitochondrial function and thermogenic capacity of the BAT.

The Effect of Biochanin A as PPAR γ agonist on LDL Particles Diameter and Type 2 Diabetic Dyslipidemia

2019 ◽  
Author(s):  
Darya Ghadimi ◽  
Mohammad Taghi Taghi Goodarzi ◽  
Mahdi Bahmani ◽  
Zohre Khajehahmadi
Keyword(s):  
Diabetes Mellitus ◽  
Body Weight ◽  
Blood Glucose ◽  
Fasting Blood Glucose ◽  
Male Rats ◽  
Biochanin A ◽  
Diabetic Patients ◽  
Low Density ◽  
Diabetic Dyslipidemia ◽  
Ldl Particles

Background and Aims: Small dense  low-density lipoproteins (sd-LDL) particles are smaller and heavier than typical LDL ones. They can penetrate into the endothelium of coronary arteries more easily because of their small size. Diabetes mellitus is accompanied by dyslipidemia such as increasing concentration of plasma very low density lipoprotein and sd-LDL. Peroxisome proliferator activated receptor γ (PPARγ ) can decrease the level of sd-LDL in plasma. Biochanin A (BCA), a natural compound, is a PPARγ agonist. The present study was designed to investigate the effect of BCA on sd-LDL-Clolesterol level in diabetic animals. Materials and Methods: Adult male rats (Wistar strain) were used as the animal models in this study. Animals were made diabetic by single intraperitoneal injection of Streptozotocin- Nicotinamide and then treated by 1 and 5 mg/kg of BCA for 28 days. Body weight and fasting blood glucose were also tested before and at the end of treatment. Furthermore, the size of LDL particles were measured by nondenaturing polyacrylamide gradient gel electrophoresis assay. Results: Results of the present study indicated that BCA administration at dose of 5mg/kg decreased fasting blood glucose level and increased body weight and diameter of LDL particles in diabetic animals significantly. Conclusions: BCA seems to be an appropriate agent in diabetes mellitus, because it improves the diabetic dyslipidemia, which is the most important complication in diabetic patients.

scholarly journals Some nutritional properties of unrefined sugar and its promotion of the survival of new-born rats

1985 ◽  
Vol 54 (3) ◽  
pp. 593-603 ◽  
Author(s):  
Eisa Omer Ahmed ◽  
Yudkin John
Keyword(s):  
Fatty Acid Synthetase ◽  
Female Rats ◽  
Male Rats ◽  
Blood Cholesterol ◽  
Maize Starch ◽  
Sprague Dawley ◽  
Brown Sugar ◽  
Sprague Dawley Rats ◽  
Male Wistar Rats ◽  
Glucose 6 Phosphate Dehydrogenase

1. The claims that rats fed on diets with ‘brown sugar’ (unrefined muscovado) perform better in a number of ways than do rats fed on refined white sugar (sucrose) have been examined.2. Male Wistar rats were fed on purified diets from weaning, in which the carbohydrate component was either maize starch or unrefined sugar or sucrose. The sugars produced no differences in growth rate, body composition, or the weights of liver or kidneys. Compared with sucrose, unrefined sugar produced an increase in blood cholesterol and in the activity of hepatic fatty acid synthetase, and a greater increase in blood triglyceride. In confirmation of earlier results, rats fed on either sugar had heavier livers and kidneys, increased activity of hepatic glucose-6-phosphate dehydrogenase (EC 1.1.1.49) and a higher concentration of plasma triglyceride compared with rats fed on maize starch.3. Female Sprague-Dawley rats were fed on the same three diets as the male rats, and mated when they weighed about 200 g. No difference was seen in their ability to mate, the progress of pregnancies, or the sizes of the litters. Does fed on unrefined sugar produced litters of higher viability than did does fed on starch or sucrose. Survival was between 85 and 100% with unrefined sugar and between 30 and 75% with starch or sucrose.4. Unrefined muscovado sugar has thus been shown to contain a factor required by female rats for the proper viability of their pups. This may be the same ‘Reproductive Factor R’ as that described by Wiesner & Yudkin (1951). In certain circumstances, unrefined muscovado sugar might therefore contribute to the nutritional value of a human diet, although in what circumstances, in what respect and to what extent it might do so, is by no means clear.

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