scholarly journals The Improvement of Hyperglycemia after RYGB Surgery in Diabetic Rats Is Related to Elevated Hypothalamus GLP-1 Receptor Expression

2016 ◽  
Vol 2016 ◽  
pp. 1-5 ◽  
Author(s):  
Jazyra Zynat ◽  
Yuyu Guo ◽  
Yingli Lu ◽  
Dongping Lin
Keyword(s):  
Body Weight ◽  
Blood Glucose ◽  
Diabetic Rats ◽  
The Body ◽  
Receptor Expression ◽  
Control Group ◽  
Sham Surgery ◽  
Surgery Group ◽  
Significant Difference ◽  
Group D

Objectives. This study aimed to explore the expression of GLP-1 receptor in hypothalamus and gastrointestinal tissues after Roux-en-Y gastric bypass (RYGB) surgery in diabetic rats.Methods. Male 12-week-old Wistar rats (control) and Goto-Kakizaki rats (diabetic) were randomly divided into two groups, respectively: control sham surgery group (C), control RYGB group (C + R), diabetic sham surgery group (D), and diabetic RYGB group (D + R). Body weight and blood glucose were monitored before and after surgery every week. Eight weeks after surgery, all rats were sacrificed and the serum fasting GLP-1 concentrations were measured by ELISA. GLP-1R and DPP-4 expression in hypothalamus and ileum were measured by RT-PCR.Results. The body weight and fasting/random blood glucose in the D + R group decreased significantly compared with the D group (P<0.05). Serum GLP-1 levels in diabetic rats treated with RYGB were higher than the corresponding sham surgery rats. The expression of GLP-1R of hypothalamus in RYGB-treated diabetic rats was significantly higher than those of the sham surgery diabetic rats and both control group rats (P<0.05). We found a negative correlation between hypothalamus GLP-1R mRNA and blood glucose level. No significant difference was seen in ileum GLP-1R and DPP-4 expression among all groups.Conclusions. RYGB efficiently promoted serum GLP-1 levels and the expression of GLP-1 receptor in the hypothalamus in diabetic rats. These data suggest that the hypothalamus GLP-1R may play an important role in the GLP-1 system for improving glucose homeostasis after reconstruction of the gastrointestinal tract.

scholarly journals Anti-hyperglycemic Effects of Diacerein in Alloxan-Induced Diabetes Mellitus in Wistar Albino Rats

2020 ◽  
pp. 107-113
Author(s):  
Arsalan Uqaili ◽  
Samia Siddiqui ◽  
Roomi Aijaz ◽  
Yar Muhammad Nizammani ◽  
Navaid Kazi ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Body Weight ◽  
Blood Glucose ◽  
Treated Group ◽  
Diabetic Control ◽  
Diabetic Rats ◽  
Control Group ◽  
Albino Rats ◽  
Group B ◽  
Group D

Objective: To determine the anti-hyperglycemic effects of interleukin-1 inhibitor (diacerein) in alloxan induced diabetic albino wistar rats. This experimental study was performed at the Department of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tando Jam within 6 months from April 2016 to September 2016. Total of 160 adult Albino Wistar Rats having an average of 200 to 300 grams body weights were selected. Animals were categorized into 4 groups as; Group A (n=15): Control rats – receive 0.9% normal saline as placebo Experimental Groups Group B (n=15): Experimental Control (Diabetic rats) - Alloxan50 mg/kg body weight intraperitoneal. Group C (n=15): Diabetic rats + Diacerein (30 mg/kg/day) orally daily. Group D (n=15): Diabetic rats + Diacerein (50 mg/kg/day) orally daily. Animals were kept and treated as per the NIH Guideline for Use and Care of Laboratory Animals. Diabetes mellitus was induced via a single intraperitoneal injection of 50 milligram/kg alloxan monohydrated dissolved in aseptic 0.9% saline. After 72 hours, blood specimens were taken from the caudal vein of the rats and glucose level>200 mg/dL was taken as diabetes. Experimental rats were given diacerein approximately 30 and 50 mg orally for 6 weeks. At the completion of experiment the body weight was measured of each animal by electronic measuring balance and blood sample was taken from each animal of all groups to assess the blood glucose level and HbA1c level. Data were recorded via self-made proforma and analysis was done by using SPSS version 20. Results: Average body weight of Diabetic control (Group B) was 193.33±22.50 grams, which was lower in contrast to Diacerein treated group C 202.47±25.70 grams and significantly lower as compared to Diacerein treated group D as  212.6±23.43 grams. A significant increase in blood glucose levels 182.07±10.63 mg/dl was noted in the Diabetic control (Group B) compared to Diacerein treated group C (110.13± 8.54 mg/dl) and group D (85.87±8.41 mg/dl) (P=0.001). HbA1c was markedly raised in the Group B- diabetic controls, while diacerein treated diabetic rats (groups C and D) showed a significant decrease in HbA1c (P=0.001). Conclusion: It was concluded that Diacerein achieves the Euglycemic state by reducing the levels of blood glucose and glycated hemoglobin (HbA1c) in Alloxan-Induced diabetes mellitus in Wistar Albino Rats.

scholarly journals Investigation of the anti-hyperglycemic and antioxidant effects of wheat bread supplemented with onion peel extract and onion powder in diabetic rats

2021 ◽  
Author(s):  
Sara Masood ◽  
Attiq ur Rehman ◽  
Shahid Bashir ◽  
Mohamed El Shazly ◽  
Muhammad Imran ◽  
...  
Keyword(s):  
Body Weight ◽  
Blood Glucose ◽  
Diabetic Rats ◽  
The Body ◽  
Wheat Bread ◽  
Control Group ◽  
Onion Peel ◽  
Antioxidant Effects ◽  
Onion Peel Extract ◽  
Peel Extract

Abstract Aim Onion is one of the commonly cultivated and consumed vegetables rich in nutrients and phytochemicals. Various nutraceuticals are found in the outer fleshy layers and dry peel of onion which usually is treated as a common biowaste. Diabetes mellitus is a leading non communicable disease causing hyperglycemia and increased production of free radicals that potentially disrupts antioxidant enzymatic activity. Considering global consumption of wheat, the present study was designed to evaluate the anti-hyperglycemic and antioxidant effects of wheat bread supplemented with onion peel extract (OPE) or onion powder (OP) on diabetic rats. Methods In this study, ethanolic extract of onion peel and onion bulb were prepared separately. Male Sprague Dawley rats were divided into 6 groups (n = 7). Different regimens of supplemented wheat bread (OPE (1% and 3%) and OP (5% and 7%)) were given to diabetic rats for eight weeks, plain bread was used as the control. Blood glucose level, body weight and activities of SOD, CAT, GPx, GR, GSH and MDA in the liver and kidney tissues were evaluated. Statistical analysis was performed using SPSS Version (25) and Dunnett’s multiple comparison test. Results Bread supplemented with 1% and 3% onion peel extract and 7% onion powder significantly reduced blood glucose levels and MDA in the treated rats compared with the control group diabetic rats. Body weight of diabetic rats was reduced for control group, while onion supplemented diet improved the body weight of treated rats. Onion supplementation also brought significant improvement in antioxidant enzyme activities among the treated diabetic rats. Conclusion These findings suggested that onion supplementation is effective in lowering blood glucose and could potentially aid in protecting organs from oxidative stress.

scholarly journals PEX-168 Improves Insulin Resistance, Inflammatory Response and Adipokines in Simple Obese Mice: A Mechanistic Exploration

2021 ◽  
Author(s):  
Zeyuan Guo ◽  
Yuting Wu ◽  
Xiaofang Sun
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Blood Glucose ◽  
Low Dose ◽  
The Body ◽  
Control Group ◽  
Obese Mice ◽  
Short Period ◽  
Significant Difference ◽  
Different Doses

Abstract Background：Polyethylene glycol losenatide (PEX-168) is a new antidiabetic drug; as such, there are not yet any reports on its weight loss effect. Therefore, this trial was designed to investigate the effect of PEX-168 on simple obese mice.Methods：Thirty healthy male C57BL/6 mice were randomly selected and divided into a control group (NC) and an obesity model group. The high-fat diet-induced simple obesity mice were divided into a model control group (HF) and three intervention groups. The intervention groups were injected with different doses of PEX-168 intraperitoneally once a week for 12 weeks (low (LD), medium (MD) and high (HD)). Fasting blood glucose (FBG), body weight and food intake were measured from 1 to 12 weeks after PEX-168 injection. The serum insulin (INS), C-reactive protein (CRP), chemerin and omentin levels were measured after 12 weeks.Results：Compared with the HF group, the low dose of PEX-168 reduced the body weight of the mice in a short period of time (8 weeks), and the mice in the LDand HD groups showed a significant decrease in body weight (P < 0.05). The low dose of PEX-168 could effectively improve the blood glucose and insulin resistance index (Homa-IR) of the mice (FBG P < 0.05 INS, Homa-IR P < 0.001), but there was no significant difference between different doses (P > 0.05). CRP levels in the HD and LD groups were significantly improved (P < 0.05). The levels of serum chemerin and omentin in the intervention groups were also significantly improved (P < 0.01), but there was no significant difference between the different doses (P > 0.05).Conclusion：PEX-168 significantly reduced the body weight of simple obese mice and prevented the development of diabetes. PEX-168 may regulate the expression of chemerin and omentin mainly through its hypoglycaemic effect, and the weight-reducing effect of PEX-168 is unlikely to be the reason for the changes in both.

scholarly journals Effect of Ethanolic Extract of Fruits of Eriobotrya japonica on Lipid Profile and Body weight in Streptozotocin Induced Diabetic Rats

2019 ◽  
Vol 11 (1) ◽  
Author(s):  
Sabeeha Shafi ◽  
Nahida Tabassum
Keyword(s):  
Body Weight ◽  
Blood Glucose ◽  
Lipid Profile ◽  
Ethanolic Extract ◽  
Diabetic Rats ◽  
The Body ◽  
Eriobotrya Japonica ◽  
Control Group ◽  
Glucose Levels ◽  
Blood Glucose Levels

Eriobotrya japonica locally called as loquat in Kashmir has been studied in various parts of the world but little work has been reported on Kashmiri loquat. The chemical nature of fruits and vegetables offers a great diversity of biological properties and plays an important role in the field of pharmacology. There is a quest for newer drugs with few adverse effects and this poses a challenge for the development of new drugs. The study was undertaken to study the activities of ethanolic extract of Eriobotrya japonica fruits in streptozotocin induced diabetic rats. The phytochemical screening of the plant was also done. The animals were divided into five groups. Normal Control group received only the vehicle. Toxic group included those animals in which diabetes was induced by streptozotocin. The 3rd group was those animals which received streptozotocin and standard antidiabetic drug-glibenclamide. 4th group included those diabetic animals which received 50 mg/kg b.w dose of fruits of Eriobotrya japonica. 5th group animals included those diabetic animals which received 100 mg/kg b.w of the plant extract. The biochemical parameters that were evaluated were blood glucose levels and lipid profile tests. The body weight was also checked. Histopathology of pancreas was also done. The results showed significant decrease in blood glucose levels, lipid profile tests in animals treated with different doses of the plant extracts. Histopathology of pancreas also showed positive results.

scholarly journals PEX-168 Improves Insulin Resistance, Inflammatory Response and Adipokines in Simple Obese Mice: A Mechanistic Exploration

2021 ◽  
Author(s):  
Zeyuan Guo ◽  
Yuting Wu ◽  
Sun Xiaofang
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Blood Glucose ◽  
Low Dose ◽  
The Body ◽  
Control Group ◽  
Obese Mice ◽  
Short Period ◽  
Significant Difference ◽  
Different Doses

Abstract Background: Polyethylene glycol losenatide (PEX-168) is a new antidiabetic drug; as such, there are not yet any reports on its weight loss effect. Therefore, this trial was designed to investigate the effect of PEX-168 on simple obese mice.Methods: Thirty healthy male C57BL/6 mice were randomly selected and divided into a control group (NC, n=6) and an obesity model group (n=24). The high-fat diet-induced simple obesity mice were divided into a model control group (HF) and three intervention groups receiving different doses of PEX-168 (low (LD), medium (MD) and high (HD), receiving PEX-168 doses of 0.03 mg/kg, 0.1 mg/kg, 0.3 mg/kg, respectively), with 6 animals in each group. The intervention groups were injected with different doses of PEX-168 intraperitoneally once a week for 12 weeks. Fasting blood glucose (FBG), body weight and food intake were measured from 1 to 12 weeks after PEX-168 injection. The activity of the mice was observed, and serum insulin (INS), C-reactive protein (CRP) chemerin and omentin levels were measured after 12 weeks.Results: Compared with the HF group, the low dose of PEX-168 reduced the body weight of the mice in a short period of time (8 weeks), and the mice in the LD and HD groups showed a significant decrease in body weight (P < 0.05). The low dose of PEX-168 could effectively improve the blood glucose and insulin resistance index (Homa-IR) of the mice (FBG P < 0.05 INS, Homa-IR P < 0.001), but there was no significant difference between different doses (P > 0.05). CRP levels in the HD and LD groups were significantly improved (P < 0.05). The levels of serum chemerin and omentin in the intervention groups were also significantly improved (P < 0.01), but there was no significant difference between the different doses (P > 0.05).Conclusion: PEX-168 significantly reduced the body weight of simple obese mice and prevented the development of diabetes. PEX-168 may regulate the expression of chemerin and omentin mainly through its hypoglycaemic effect, and the weight-reducing effect of PEX-168 is unlikely to be the reason for the changes in both.

scholarly journals PEX-168 improves insulin resistance, inflammatory response and adipokines in simple obese mice: a mechanistic exploration

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Zeyuan Guo ◽  
Yuting Wu ◽  
Lihua Zhu ◽  
Yong Wang ◽  
Daorong Wang ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Blood Glucose ◽  
Low Dose ◽  
The Body ◽  
Control Group ◽  
Obese Mice ◽  
Short Period ◽  
Significant Difference ◽  
Different Doses

Abstract Background Polyethylene glycol loxenatide (PEX-168) is a new antidiabetic drug; as such, there are not yet any reports on its weight loss effect. Therefore, this trial was designed to investigate the effect of PEX-168 on simple obese mice. Methods Thirty healthy male C57BL/6 mice were randomly selected and divided into a control group (NC) and an obesity model group. The high-fat diet-induced simple obesity mice were divided into a model control group (HF) and three intervention groups. The intervention groups were injected with different doses of PEX-168 intraperitoneally once a week for 12 weeks (low (LD), medium (MD) and high (HD)). Fasting blood glucose (FBG), body weight and food intake were measured from 1 to 12 weeks after PEX-168 injection. The serum insulin (INS), C-reactive protein (CRP), chemerin and omentin levels were measured after 12 weeks. Results Compared with the HF group, the low dose of PEX-168 reduced the body weight of the mice in a short period of time (8 weeks), and the mice in the MD and HD groups showed a significant decrease in body weight (P < 0.05). The low dose of PEX-168 could effectively improve the blood glucose and homeostasis model assessment of insulin resistance (Homa-IR) of the mice (FBG P < 0.05 INS, Homa-IR P < 0.001), but there was no significant difference between different doses (P > 0.05). CRP levels in the MD and HD groups were significantly improved (P < 0.05). The levels of serum chemerin and omentin in the intervention groups were also significantly improved (P < 0.01), but there was no significant difference between the different doses (P > 0.05). Conclusions PEX-168 significantly reduced the body weight of simple obese mice and improved the insulin resistance. PEX-168 may regulate the expression of chemerin and omentin through its hypoglycaemic effect, and the weight-reducing effect of PEX-168 is unlikely to be the reason for the changes in both.

scholarly journals Regression of gestational diabetes induced cardiomegaly in offspring of diabetic rat

2009 ◽  
Vol 24 (4) ◽  
pp. 251-255 ◽  
Author(s):  
Honório Sampaio Menezes ◽  
Cláudio Galeano Zettler ◽  
Alice Calone ◽  
Jackson Borges Corrêa ◽  
Carla Bartuscheck ◽  
...  
Keyword(s):  
Body Weight ◽  
Wistar Rats ◽  
Weight Ratio ◽  
Diabetic Rats ◽  
Heart Weight ◽  
Diabetic Rat ◽  
Control Group ◽  
Computer Assisted ◽  
Significant Difference ◽  
Levene Test

PURPOSE: To compare body weight and length, heart weight and length, heart-to-body weight ratio, glycemia, and morphometric cellular data of offspring of diabetic rats (ODR) and of normal rats (control). METHODS: Diabetes was induced in 3 pregnant Wistar rats, bearing 30 rats, on the 11th day after conception by intraperitoneal injection of 50 mg/kg of streptozotocin. Six normal pregnant Wistar rats, bearing 50 rats, made up the control group. Morphometric data were obtained using a scale for the weight, length, heart and body measurements. Morphometric cellular data were obtained by a computer assisted method applied to the measurements of myocytes. Statistical analysis utilized Student's t-test, ANOVA and Levene test. RESULTS: Control offspring had greater mean body weight and length than offspring of diabetic rats (p < 0.001). Heart weight and length and heart-to-body ratios of newborn rats differed between groups at birth (p < 0.001), but showed no difference at 21 days. Mean nuclei area and perimetric value of the myocytes decrees throughout the first 21 days of life (p < 0.01) in the diabetic group. CONCLUSIONS: Heart hypertrophy on the offspring of diabetic rats at birth was demonstrated by the significant difference between the groups. After the eleventh day, no difference was found, which confirmed regression of cardiomegaly. The significant difference between the first and the 21th day of life, for nuclei area feature, demonstrate regression of cardiac hypertrophy in the offspring of diabetic rats.

A study on the safety evaluation of buphrenorphine administered through an autoinjector compared with manual injection using haematological and biochemical variables in rats

2016 ◽  
Vol 36 (9) ◽  
pp. 901-909 ◽  
Author(s):  
D Sheela ◽  
R Vijayaraghavan ◽  
S Senthilkumar
Keyword(s):  
Body Weight ◽  
Research Work ◽  
Safety Evaluation ◽  
Weight Ratio ◽  
The Body ◽  
Control Group ◽  
Body Weight Ratio ◽  
Significant Difference ◽  
Manual Group ◽  
Significant Change

Buprenorphine drug cartridge was made for autoinjector device for use in emergency and critical situations to reduce the morbidity and mortality. Water-filled cartridges were prepared and buprenorphine was injected aseptically in the cartridge, to make 0.05 and 0.10 mg/mL. Rats were injected intraperitoneally, buprenorphine (0.3 and 0.6 mg/kg), repeatedly with the autoinjector and compared with manual injection (7 days and 14 days) using various haematological and biochemical parameters. No significant change was observed in the body weight, organ to body weight ratio and haematological variables in any of the experimental groups compared with the control group. Except serum urea and aspartate aminotransferase, no significant change was observed in glucose, cholesterol, triglycerides, bilirubin, protein, albumin, creatinine, uric acid, alanine aminotransferase, gamma glutamyltransferase and alkaline phosphatase. The autoinjectors deliver the drugs with spray effect and force for faster absorption. In the present study, the autoinjector meant for intramuscular injection was injected intraperitoneally in rats, and the drug was delivered with force on the vital organs. No significant difference was observed in the autoinjector group compared to the manual group showing tolerability and safety of the buphrenorphine autoinjector. This study shows that buprenorphine autoinjector can be considered for further research work.

scholarly journals Inhibition ofα-Glucosidase by Thiosulfinate as a Target for Glucose Modulation in Diabetic Rats

2016 ◽  
Vol 2016 ◽  
pp. 1-5 ◽  
Author(s):  
Abdulrahman L. Al-Malki
Keyword(s):  
Body Weight ◽  
Blood Glucose ◽  
Hydrolytic Enzyme ◽  
Positive Control ◽  
Diabetic Rats ◽  
Postprandial Hyperglycemia ◽  
Postprandial Blood Glucose ◽  
Control Group ◽  
Albino Rats ◽  
Predisposing Factor

Postprandial hyperglycemia is a predisposing factor for vascular dysfunction and organ damage.α-glucosidase is a hydrolytic enzyme that increases the glucose absorption rate and subsequently elevates blood glucose levels. Garlic (Allium sativumL.) is a rich source of several phytonutrients, including thiosulfinate (THIO). The aim of this study was to evaluate the ability of THIO, a potent inhibitor of intestinalα-glucosidase, to reduce postprandial blood glucose. Male albino rats were randomly assigned to five different groups (n=10/group). Group 1 served as the control group. Groups 2–5 were injected intraperitoneally with a single dose of streptozotocin (STZ) to induce diabetes. Group 2 comprised untreated diabetic rats. Groups 3 and 4 contained diabetic rats that were given THIO orally (20 mg/kg body weight/day and 40 mg/kg body weight/day, resp.). Group 5 was the positive control having diabetic rats treated orally with acarbose (10 mg/kg body weight/day; positive control). Diabetic rats treated with THIO displayed a significant blood glucose reduction (p<0.001and < 0.01 by analysis of variance, resp.) and a significant elevation in insulin compared with that of untreated rats. THIO is an effective noncompetitive intestinalα-glucosidase inhibitor that promotes hypoglycemic action (p<0.001) in STZ-injected rats. THIO is a promising agent for the management of postprandial hyperglycemia.

Hepatoproective Nature of Aerial parts of Caesalpinia pulcherrima in STZ Induced Diabetic Rat Model

2021 ◽  
pp. 3716-3720
Author(s):  
Pooja Pooja ◽  
Mazumder Avijit ◽  
Soumya Das
Keyword(s):  
Body Weight ◽  
Blood Glucose ◽  
Blood Glucose Level ◽  
Glucose Level ◽  
Diabetic Rats ◽  
The Body ◽  
Marker Enzymes ◽  
Metabolizing Enzymes ◽  
Standard Drug ◽  
Liver Marker Enzymes

Diabetes is a chronic disease which characterized by hyperglycemia (elevated or abnormally high blood sugar levels) and other metabolic disturbances, including metabolism of lipids and haemostasis. Caesalpinia pulcherrima has previously showed strong anti-diabetic and hepatoprotective potential. The present research work was to investigate the anti-diabetic activity and hepatoprotective activity Caesalpinia pulcherrima in streptozotocin-induced (STZ) diabetic rats. The dose-dependent effects of 45days oral treatment with methanol extract of plant (200 and 300mg/kg) of CPAE on body weight, blood glucose level, total protein, albumin, liver marker enzymes and carbohydrate metabolizing enzymes were evaluated in STZ-induced diabetic rats. Oral administration methanolic extract of Caesalpinia pulcherrima of showed significant restoration of the body weight and decrease in the blood glucose level, liver marker enzymes (ALT, AST ALP) and carbohydrate metabolizing enzymes were observed in diabetic rats. These results suggest that fruit extract of Caesalpinia pulcherrima has valuable anti-diabetic activity in STZ-induced diabetic rats which is comparable to the standard drug metformin and hence might be of use in the management of diabetes.

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