Biochemical investigation of an experimentally induced metabolic syndrome in rats

2019 ◽  
Author(s):  
N.G. Mustafa ◽  
M.K. Hasan
Keyword(s):  
Insulin Resistance ◽  
Metabolic Syndrome ◽  
Drinking Water ◽  
Biochemical Parameters ◽  
Total Bilirubin ◽  
Serum Urea ◽  
Sprague Dawley ◽  
Biochemical Investigation ◽  
Sprague Dawley Rats ◽  
High Fructose

Metabolic syndrome (MS) is a complex condition characterized by insulin resistance, hyperglycemia, dyslipidemia, and obesity. This project aims to induce MS in rat and then a demonstration of the main biochemical parameters. In male, Sprague-Dawley rats, MS has been prompted suitably and relatively by fast (six weeks) approach through a high fructose in drinking water (40%). It has been found that serum urea, creatinine, and total bilirubin raise in MS significantly. Moreover, dyslipidemia has arbitrated via some considerable lipid profile deviations. In addition, BMI, blood glucose, and insulin monitoring evidently ensure achievement of MS. It is concluded that a well-established rat model of MS could be employed by a 40% fructose in drinking water.

scholarly journals Impact of Gentamicin Coadministration along with High Fructose Feeding on Progression of Renal Failure and Metabolic Syndrome in Sprague-Dawley Rats

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Zaid O. Ibraheem ◽  
Rusliza Basir ◽  
Ahmad Kh. Aljobory ◽  
Omar E. Ibrahim ◽  
Ajwad Alsumaidaee ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Drinking Water ◽  
Treatment Period ◽  
Oral Glucose ◽  
Free Access ◽  
Sprague Dawley ◽  
Sprague Dawley Rats ◽  
High Fructose ◽  
Renal Histology ◽  
The Impact

The current study evaluates the impact of high fructose feeding in rat model of gentamicin induced nephrotoxicity. Sprague-Dawley rats weighing 180–200 g were randomized into four groups; (C) received standard rodents chow with free access toad libitumdrinking water for 8 weeks and was considered as control, (F) received standard rodents chow with free access to drinking water supplemented with 20% (W/V) fructose for the same abovementioned period, (FG) was fed as group F and was given 80 mg/kg (body weight)/day gentamicin sulphate intraperitoneally during the last 20 days of the feeding period, and (G) was given gentamicin as above and fed as group C. Renal function was assessed at the end of the treatment period through measuring serum creatinine, uric acid and albumin, creatinine clearance, absolute and fractional excretion of both sodium and potassium, twenty-four-hour urinary excretion of albumin, and renal histology. For metabolic syndrome assessment, fasting plasma glucose and insulin were measured and oral glucose tolerance test was performed throughout the treatment period. Results showed that gentamicin enhances progression of fructose induced metabolic syndrome. On the other hand, fructose pretreatment before gentamicin injection produced a comparable degree of renal dysfunction to those which were given fructose-free water but the picture of nephrotoxicity was somewhat altered as it was characterized by higher extent of glomerular congestion and protein urea. Overall, more vigilance is required when nephrotoxic drugs are prescribed for patients with fructose induced metabolic syndrome.

scholarly journals Transient Decrease in Circulatory Testosterone and Homocysteine Precedes the Development of Metabolic Syndrome Features in Fructose-Fed Sprague Dawley Rats

2016 ◽  
Vol 2016 ◽  
pp. 1-11 ◽  
Author(s):  
Anil Sakamuri ◽  
Sujatha Pitla ◽  
Uday Kumar Putcha ◽  
Sugeedha Jayapal ◽  
Sailaja Pothana ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Metabolic Syndrome ◽  
Plasma Testosterone ◽  
Dependent Manner ◽  
Hepatic Triglyceride ◽  
Sprague Dawley ◽  
Hepatic Lipids ◽  
Transient Decrease ◽  
Sprague Dawley Rats ◽  
Triglyceride Content

Background. Increased fructose consumption is linked to the development of metabolic syndrome (MS). Here we investigated the time course of development of MS features in high-fructose-fed Sprague Dawley rats along with circulatory testosterone and homocysteine levels.Methods. Rats were divided into control and experimental groups and fed with diets containing 54.5% starch and fructose, respectively, for 4, 12, and 24 weeks. Plasma testosterone and homocysteine levels were measured along with insulin, glucose, and lipids. Body composition, insulin resistance, and hepatic lipids were measured.Results. Increase in hepatic triglyceride content was first observed in metabolic disturbance followed by hypertriglyceridemia and systemic insulin resistance in fructose-fed rats. Hepatic lipids were increased in time-dependent manner by fructose-feeding starting from 4 weeks, but circulatory triglyceride levels were increased after 12 weeks. Fasting insulin and Homeostatis Model Assessment of Insulin Resistance (HOMA-IR) were increased after 12 weeks of fructose-feeding. Decreased visceral adiposity, circulatory testosterone, and homocysteine levels were observed after 4 weeks of fructose-feeding, which were normalized at 12 and 24 weeks.Conclusions. We conclude that transient decrease in circulatory testosterone and homocysteine levels and increased hepatic triglyceride content are the earliest metabolic disturbances that preceded hypertriglyceridemia and insulin resistance in fructose-fed SD rats.

Abstract 328: High Fructose but not High Glucose Intake Induces Salt-sensitive Hypertension and Enhances NKCC2 Phosphorylation in Normal Rats.

Hypertension ◽  
2014 ◽  
Vol 64 (suppl_1) ◽  
Author(s):  
Emily Henson ◽  
Gustavo Ares ◽  
Mohammed Haque ◽  
Pablo Ortiz
Keyword(s):  
Blood Pressure ◽  
Drinking Water ◽  
Salt Intake ◽  
High Salt ◽  
Sprague Dawley ◽  
High Fructose Diet ◽  
Fructose Intake ◽  
Sprague Dawley Rats ◽  
High Fructose ◽  
Salt Sensitive Hypertension

Consumption of fructose as a sweetener has increased in the past three decades. A high-fructose diet has been implicated in the epidemic of diabetes, obesity, and hypertension. A third of the US population consumes 20-40% of their caloric intake from added sugars, with half of those calories from fructose. Little is known about the role of high fructose intake in renal salt handling and blood pressure regulation during high salt intake. In genetic models of salt-sensitive hypertension, the Na/K/2Cl cotransporter NKCC2 plays an important role by reabsorbing NaCl in the thick ascending limb (TAL). We hypothesized that 20% fructose in drinking water stimulates NKCC2 and sensitizes normal rats to high salt induced hypertension. Adult Sprague-Dawley rats were given 20% fructose or 20% glucose in drinking water for 1 week after which a high salt diet (4% Na in chow) was started. Systolic blood pressure (SBP) was measured every other day by tail cuff after 2 weeks of training. After one week of fructose or glucose alone, SBP did not change. In rats fed fructose, adding a 4% NaCl diet increased SBP to 128±6 mmHg by day 2 (p<0.01 vs glucose) and continued to increase up to 144±18 mmHg after 2 weeks on high salt (p<0.01 vs baseline; p<0.01 vs glucose). In glucose-fed rats high salt did not increase SBP (from 122±6 to 116±9 mmHg). 20% fructose alone for 3 weeks, or high salt alone did not change SBP. NKCC2 phosphorylation at Thr96,101 is associated with enhanced TAL NaCl reabsorption. We found that NKCC2 phosphorylation at Thr96,101 (normalized to total NKCC2) was higher in TALs isolated from rats fed fructose plus salt for 2 weeks compared to high salt alone (high-salt: 100%; fructose + high-salt: 250±40%, p<0.05). We concluded that a high fructose but not high glucose diet induces salt-sensitive hypertension in Sprague Dawley rats. This effect occurs within 1 week of a high fructose diet. In addition, a high fructose diet may stimulate NKCC2 activity by enhancing its phosphorylation. These data suggest that high fructose intake may increase blood pressure by preventing appropriate renal NaCl excretion during high dietary salt intake.

The prophylactic potential of Zingiber officinale flowers and leaves extract to mitigate hyperglycemia in Sprague Dawley rats

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Saira Tanweer ◽  
Tariq Mehmood ◽  
Saadia Zainab ◽  
Zulfiqar Ahmad ◽  
Muhammad Ammar Khan ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Weight Gain ◽  
Body Weight Gain ◽  
Zingiber Officinale ◽  
Sprague Dawley ◽  
Content Type ◽  
Sprague Dawley Rats ◽  
Hematological Analysis ◽  
Therapeutic Tools

Purpose Innovative health-promoting approaches of the era have verified phytoceutics as one of the prime therapeutic tools to alleviate numerous health-related ailments. The purpose of this paper is to probe the nutraceutic potential of ginger flowers and leaves against hyperglycemia. Design/methodology/approach The aqueous extracts of ginger flowers and leaves were observed on Sprague Dawley rats for 8 weeks. Two parallel studies were carried out based on dietary regimes: control and hyperglycemic diets. At the end of the experimental modus, the overnight fed rats were killed to determine the concentration of glucose and insulin in serum. The insulin resistance and insulin secretions were also calculated by formulae by considering fasting glucose and fasting insulin concentrations. Furthermore, the feed and drink intakes, body weight gain and hematological analysis were also carried out. Findings In streptozotocin-induced hyperglycemic rats, the ginger flowers extract depicted 5.62% reduction; however, ginger leaves extract reduced the glucose concentration up to 7.11% (p = 0.001). Similarly, ginger flowers extract uplifted the insulin concentration up to 3.07%, while, by ginger leaves extract, the insulin value increased to 4.11% (p = 0.002). For the insulin resistance, the ginger flower showed 5.32% decrease; however, the insulin resistance was reduced to 6.48% by ginger leaves (p = 0.014). Moreover, the insulin secretion increased to 18.9% by flower extract and 21.8% by ginger leave extract (p = 0.001). The feed intake and body weight gain increased momentously by the addition of ginger flowers and leaves; however, the drink intake and hematological analysis remained non-significant by the addition of ginger parts. Originality/value Conclusively, it was revealed that leaves have more hypoglycemic potential as compared to flowers.

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