scholarly journals ANTIDIABETIC AND ENZYMATIC ANTIOXIDANT POTENTIAL FROM ETHANOLIC EXTRACTS OF LEAF AND FRUIT OF TRICHOSANTHES DIOICA AND LEAF OF CLITORIA TERNATEA ON DIABETIC RATS INDUCED BY STREPTOZOTOCIN

2018 ◽  
Vol 11 (5) ◽  
pp. 233
Author(s):  
Kavitha R
Keyword(s):  
Diabetic Rats ◽  
Therapeutic Effects ◽  
Enzymatic Antioxidants ◽  
Plant Materials ◽  
Clitoria Ternatea ◽  
Enzymatic Antioxidant ◽  
Group I ◽  
Ethanolic Extracts ◽  
Liver And Kidney ◽  
Trichosanthes Dioica

Objective: To evaluate the antidiabetic and enzymatic antioxidant effects of ethanolic extracts of leaf and fruit of Trichosanthes dioica and leaf of Clitoria ternatea in streptozotocin (STZ)-induced diabetic rats.Methods: Male adult albino rats of Wistar strain equally divided into 11 groups of six rats each were assigned into non-diabetic and diabetic groups. Diabetes was induced in experimental animals by single dose intraperitoneal administration of STZ at a dose of 60 mg/kg body weight. Group I and II which served as non-diabetic and diabetic controls, respectively, received placebo treatment. The diabetic test Groups III to X were treated with either individual and combined ethanolic extracts of plant materials T. dioica and C. ternatea (200 and 400 mg/kg bw) and Group XI was treated with glibenclamide (600 μg/kg bw) for 28 days consecutively. After completion of experimental duration, the animals were sacrificed and collected serum, liver, and kidney were used for the evaluating therapeutic effects on the STZ-induced diabetic rats.Results: The ethanolic extracts of T. dioica (leaf and fruit) and C. ternatea (leaf) and glibenclamide significantly reduced the levels of lipid peroxidation (LPO) and significantly increased the activities of enzymatic antioxidant markers superoxide dismutase, catalase, and glutathione peroxidase in serum, liver, and kidney of diabetic rats.Conclusions: From the present study, it can be concluded that the combined extract of T. dioica fruit and C. ternatea leaf was found to be more effective in treating diabetes and increased activities of enzymatic antioxidants in diabetic-treated rats substantiate that the investigated drugs do extend a clear protective action against LPO in STZ-induced diabetic rats.

scholarly journals Ethylene Induction of Non-Enzymatic Metabolic Antioxidants in Matricaria chamomilla

Molecules ◽  
2020 ◽  
Vol 25 (23) ◽  
pp. 5720
Author(s):  
Veronika Petrulova ◽  
Maria Vilkova ◽  
Zuzana Kovalikova ◽  
Matus Sajko ◽  
Miroslav Repcak
Keyword(s):  
Antioxidant System ◽  
Therapeutic Effects ◽  
Enzymatic Antioxidants ◽  
Matricaria Chamomilla ◽  
Chlorogenic Acids ◽  
Isolation And Identification ◽  
Phytochemical Content ◽  
Enzymatic Antioxidant ◽  
Dicaffeoylquinic Acid

Phytochemical investigations of Matricaria chamomilla L. (Asteraceae) stated the presence of several compounds with an established therapeutic and antioxidant potential. The chamomile non-enzymatic antioxidant system includes low molecular mass compounds, mainly polyphenols such as cinnamic, hydroxybenzoic and chlorogenic acids, flavonoids and coumarins. The objective of this work was to evaluate the role of the non-enzymatic antioxidant system after stimulation by ethylene in tetraploid chamomile plants. Seven days of ethylene treatment significantly increased the activity of phenylalanine ammonia-lyase, which influenced the biosynthesis of protective polyphenols in the first step of their biosynthetic pathway. Subsequently, considerable enhanced levels of phenolic metabolites with a substantial antioxidant effect (syringic, vanillic and caffeic acid, 1,5-dicaffeoylquinic acid, quercetin, luteolin, daphnin, and herniarin) were determined by HPLC-DAD-MS. The minimal information on the chlorogenic acids function in chamomile led to the isolation and identification of 5-O-feruloylquinic acid. It is accumulated during normal conditions, but after the excessive effect of abiotic stress, its level significantly decreases and levels of other caffeoylquinic acids enhance. Our results suggest that ethephon may act as a stimulant of the production of pharmaceutically important non-enzymatic antioxidants in chamomile leaves and thus, lead to an overall change in phytochemical content and therapeutic effects of chamomile plants, as well.

scholarly journals Ameliorative effect of Ipomoea pes-caprae ethanolic leaf extract on carbohydrate metabolizing enzymes and oxidative status in Streptozotocin-induced diabetic Wistar rats

2019 ◽  
Vol 9 (4-A) ◽  
pp. 167-175
Author(s):  
S. Suhasini ◽  
C. Elanchezhiyan ◽  
G. Chandirasegaran
Keyword(s):  
Lipid Peroxidation ◽  
Leaf Extract ◽  
Diabetic Rats ◽  
Oxidative Status ◽  
Diabetic Patients ◽  
Enzymatic Antioxidants ◽  
Metabolizing Enzymes ◽  
Liver And Kidney ◽  
Ethanolic Leaf Extract ◽  
In Cells

In diabetic patients, hyperglycemia is developed due to increased hepatic glucose production and impaired utilization of glucose in cells, which leads to oxidative stress in cells. Ipomoea pes-caprae has been widely used as an oral treatment for many diseases. The aim of the present study is to assess the effect of Ipomoea pes-caprae ethanolic leaf extract on carbohydrate metabolizing enzymes and oxidative status in Streptozotocin (STZ) induced experimental diabetic rats. Experimental diabetic rats were induced by intraperitoneal administration of 55 mg/kg b.w of STZ. Diabetic rats were treated with I. pes-caprae ethanolic leaf extract at a concentration of 300 mg/kg b.w and glibenclamide (6 mg/kg b.w) for 45 days. Diabetic rats exhibited significant (P < 0.05) decline in the activity of glucokinase and glucose-6-phosphate dehydrogenase, enzymatic antioxidants (SOD, CAT and GPx) and non-enzymatic antioxidants (GSH, vitamin E and vitamin C), while lipid peroxidation markers (LOOH and TBARS) and glucose-6-phosphatase and fructose-1, 6-bisphosphatase were found to be significantly increased. Further in diabetic rats, the histopathology of pancreas, liver and kidney showed abnormal histo-architecture. The treatment with Ipomoea pes-caprae ethanolic leaf extract notably reversed the abnormal levels in carbohydrate metabolizing enzymes, restored the oxidative status and abnormal structures in pancreas, liver and kidney to near normal levels. Keywords: Diabetes, antioxidant, lipid peroxidation, Ipomoea pes-caprae and carbohydrate metabolizing enzymes.

scholarly journals Effects of Short Term Exposure of Atrazine on the Liver and Kidney of Normal and Diabetic Rats

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Dinesh Babu Jestadi ◽  
Alugoju Phaniendra ◽  
Undru Babji ◽  
Thupakula Srinu ◽  
Bhavatharini Shanmuganathan ◽  
...  
Keyword(s):  
Treated Group ◽  
Diabetic Control ◽  
Diabetic Rats ◽  
Kidney Damage ◽  
Control Group ◽  
Short Term ◽  
Group I ◽  
Short Term Exposure ◽  
Male Wistar Rats ◽  
Liver And Kidney

The present study evaluates the effects of short term (15 days) exposure of low dose (300 μg kg−1) of atrazine (2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) on antioxidant status and markers of liver and kidney damage in normal (nondiabetic) and diabetic male Wistar rats. Rats were divided into four groups: Group I as normal control, Group II as atrazine treated, Group III as diabetic control, and Group IV as atrazine treated diabetic rats. Atrazine administration resulted in increased MDA concentration as well as increased activities of SOD, CAT, and GPx in both liver and kidney of atrazine treated and atrazine treated diabetic rats. However, GSH level was decreased in both liver and kidney of atrazine treated and atrazine treated diabetic rats. Atrazine administration led to significant increase in liver damage biomarkers such as AST, ALT, and ALP as well as kidney damage biomarkers such as creatinine and urea in both normal and diabetic rats, but this increase was more pronounced in diabetic rats when compared to normal rats. In conclusion, the results of the present study demonstrate that short term exposure of atrazine at a dose of 300 μg kg−1could potentially induce oxidative damage in liver and kidney of both normal and diabetic rats.

The effect of Rheum ribes L. on oxidative stress in diabetic rats

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Metin Yildirim ◽  
Ulas Degirmenci ◽  
Merih Akkapulu ◽  
Ulku Comelekoglu ◽  
Ebru Balli ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Antioxidant Enzymes ◽  
Aqueous Extract ◽  
Ethanol Extract ◽  
Diabetic Rats ◽  
Group Iv ◽  
Group Iii ◽  
Group I ◽  
Liver And Kidney ◽  
Group Ii

AbstractObjectivesRheum ribes L. is a perennial plant that belongs to the family of Polygonaceae, which is often used in traditional therapy because it possesses many bioactivities, such as antioxidant and antibacterial ones. Here we examined the effect of different R. ribes L. extracts on oxidative stress in experimental diabetic rats.MethodsThirty-six rats were divided into six groups as follows: group I, control group; group II, diabetic rats; group III, diabetic rats treated with the aqueous extract of R. ribes L. by gavage at 50 mg/kg for 15 days; group IV, diabetic rats treated by gavage with the ethanolic extract of R. ribes L. at 50 mg/kg for 15 days; group V, nondiabetic rats treated by gavage with the aqueous extract of R. ribes L. at 50 mg/kg for 15 days; group VI, nondiabetic rats treated by gavage with the ethanol extract of R. ribes L. at 50 mg/kg for 15 days. After 15 days, the animals were sacrificed and the liver and kidney tissues of each animal were isolated. Superoxide dismutase (SOD), catalase (CAT), malondialdehyde (MDA) and glutathione peroxidase (GSH-Px) activities in the tissue samples were measured, and histopathologic examination was carried out.ResultsR. ribes L. was effective in reducing the oxidative stress and increasing the levels of the antioxidant enzymes. Increased levels of MDA and decreased levels of SOD, CAT and GSH-Px were observed in both the liver and kidney tissues in group II. Decreased levels of MDA and increased levels of SOD, CAT and GSH-Px were observed in group III compared with group II. In group IV, decreased levels of MDA and increased levels of SOD, CAT and GSH-Px were observed in comparison with group II.ConclusionsDiabetes increases oxidative stress and causes a decrease in antioxidant enzyme levels. Both aqueous and ethanolic extracts of R. ribes L. decrease oxidative stress activity and increase the levels of antioxidant enzymes. The ethanol extract of R. ribes L. has a higher antioxidant effect than the aqueous extract.

Trichosanthes dioica mediated biochemical alterations in STZ induced diabetic rats

Planta Medica ◽  
2008 ◽  
Vol 74 (09) ◽  
Author(s):  
DK Rai ◽  
PK Rai ◽  
B Sharma ◽  
G Watal
Keyword(s):  
Diabetic Rats ◽  
Biochemical Alterations ◽  
Trichosanthes Dioica

Anti-diabetic activity of diphenhydramine in diabetic rats

2020 ◽  
Vol 11 (4) ◽  
pp. 5067-5070
Author(s):  
Pang Jyh Chayng ◽  
Nurul Ain ◽  
Kaswandi Md Ambia ◽  
Rahim Md Noah
Keyword(s):  
Blood Glucose ◽  
Blood Glucose Level ◽  
Glucose Level ◽  
Fasting Blood Glucose ◽  
Insulin Level ◽  
Diabetic Rats ◽  
Group Iv ◽  
Diabetic Rat ◽  
Control Group ◽  
Group I

The purpose of this project is to study the anti-diabetic effect of on a diabetic rat model. A total of Twenty male Sprague rats were used and it randomly distributed into four groups which are Group I: , Group II: negative control, Group III: and Group IV: and . In diabetic model were induced with via injection at the dosage of 65mg/kg. and FBG (Fasting Blood Glucose) level of diabetic rats were assessed every three days. Blood was collected via cardiac puncture at day 21 after the induction of treatment. Insulin level of the rats was assessed with the Mercodia Rat Insulin ELISA kit. FBG level of group I (12.16 ±3.96, p&lt;0.05) and group IV (11.34 ±3.67, p&lt;0.05) were significantly decreased. Meanwhile, the for all rats did not show any significant increase. However, the insulin level was escalated in group IV (0.74+0.25, p&lt;0.05) significantly. The present study shows that the and the combination of and lowered blood glucose level and enhanced insulin secretion.

Eudragit L-100 Capsules Aromatize and Quaternerize Chitosan for Insulin Nanoparticle Oral Delivery During Toxic Oxidative Stress in Rat Liver and Kidney

2020 ◽  
Vol 8 (3) ◽  
pp. 239-254 ◽  
Author(s):  
Reza Mahjub ◽  
Farzane K. Najafabadi ◽  
Narges Dehkhodaei ◽  
Nejat Kheiripour ◽  
Amir N. Ahmadabadi ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Oral Administration ◽  
Oral Delivery ◽  
Biochemical Parameters ◽  
Kidney Injury ◽  
Regular Insulin ◽  
Treated Group ◽  
Histopathological Change ◽  
Diabetic Rats ◽  
Liver And Kidney

Background: Insulin, like most peptides, is classified as a hydrophilic and macromolecular drug that is considered as a low permeable and unstable compound in the gastrointestinal (GI) tract. The acidic condition of the stomach can degrade insulin molecules. Moreover, the presence of proteolytic activities of some enzymes such as trypsin and chymotrypsin can hydrolyze amide-bonds between various amino-acids in the structures of peptides and proteins. However, due to its simplicity and high patient compliance, oral administration is the most preferred route of systemic drug delivery, and for the development of an oral delivery system, some obstacles in oral administration of peptides and proteins including low permeability and low stability of the proteins in GI should be overcome. Objective: In this study, the effects of orally insulin nanoparticles (INPs) prepared from quaternerized N-aryl derivatives of chitosan on the biochemical factors of the liver in diabetic rats were studied. Methods: INPs composed of methylated (amino benzyl) chitosan were prepared by the PEC method. Lyophilized INPs were filled in pre-clinical capsules, and the capsules were enteric-coated with Eudragit L100. Twenty Male Wistar rats were randomly divided into four groups: group1: normal control rats, group 2: diabetic rats, group 3: diabetic rats received capsules INPs(30 U/kg/day, orally), group 4: the diabetic rats received regular insulin (5 U/kg/day, subcutaneously). At the end of the treatment, serum, liver and kidney tissues were collected. Biochemical parameters in serum were measured using spectrophotometric methods. Also, oxidative stress was measured in plasma, liver and kidney. Histological studies were performed using H and E staining . Results: Biochemical parameters, and liver and kidney injury markers in serum of the diabetic rats that received INPs improved significantly compared with the diabetic group. INPs reduced oxidative toxic stress biomarkers in serum, liver and kidney of the diabetic treated group. Furthermore, a histopathological change was developed in the treated groups. Conclusion: Capsulated INPs can prevent diabetic liver and oxidative kidney damages (similar regular insulin). Therefore oral administration of INPs appears to be safe. Lay Summary: Although oral route is the most preferred route of administration, but oral delivery of peptides and proteins is still a challenging issue. Diabetes Mellitus may lead to severe complications, which most of them are life-threatening. In this study, we are testing the toxicity of oral insulin nanoparticles in kidney and liver of rats. For this investigation, we will prepare insulin nanoparticles composed of a quaternized derivative of chitosan. The nanoparticles will be administered orally to rats and the level of oxidative stress in their liver and kidney will be determined. The data will be compared to the subcutaneous injection of insulin.

Vasopressin V1 and V2 receptors in diabetes mellitus

1994 ◽  
Vol 266 (2) ◽  
pp. E217-E223 ◽  
Author(s):  
D. Trinder ◽  
P. A. Phillips ◽  
J. M. Stephenson ◽  
J. Risvanis ◽  
A. Aminian ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Inositol Phosphate ◽  
Free Water ◽  
Diabetic Rats ◽  
Biological Responses ◽  
Liver And Kidney ◽  
Streptozotocin Induced Diabetes ◽  
V2 Receptor ◽  
Plasma Arginine ◽  
Long Acting

Diabetes mellitus causes hypertonicity, increased plasma arginine vasopressin (AVP), polydipsia, and polyuria. Downregulation of AVP V2 receptors may contribute to the polyuria through diminished V2 receptor-mediated free water retention. After 2 wk of streptozotocin-induced diabetes mellitus, the diabetic rats had raised plasma glucose, AVP, and osmolality levels (P < 0.001) compared with nondiabetic controls (Sham). Insulin treatment (4 U long-acting insulin sc, daily) partially lowered these values (P < 0.01). There was a reduction in the number of renal and hepatic V1 receptors in the diabetic and diabetic+insulin animals compared with the sham animals (P < 0.05). The receptor affinity remained unchanged. In parallel, there was a reduction in maximum AVP-activated total inositol phosphate production in the liver and kidney of the diabetic and diabetic+insulin animals compared with the sham animals (P < 0.05). The density and affinity of renal V2 receptors and AVP-stimulated adenosine 3',5'-cyclic monophosphate production in the diabetic and diabetic+insulin animals were unchanged compared with the sham. These results demonstrate differential regulation of AVP receptors and suggest that downregulation of renal V2 receptors does not contribute to the polyuria of diabetes. In contrast, downregulation of V1 receptors might contribute to diminished V1 receptor-mediated biological responses to AVP seen in diabetes mellitus.

Attenuation of erythrocyte membrane oxidative stress bySesbania grandiflorain streptozotocin-induced diabetic rats

2015 ◽  
Vol 93 (4) ◽  
pp. 385-395 ◽  
Author(s):  
Chandrabose Sureka ◽  
Thiyagarajan Ramesh ◽  
Vavamohaideen Hazeena Begum
Keyword(s):  
Oxidative Stress ◽  
Lipid Peroxidation ◽  
Blood Glucose ◽  
Erythrocyte Membrane ◽  
Osmotic Fragility ◽  
Diabetic Rats ◽  
Glycosylated Haemoglobin ◽  
Albino Rats ◽  
Enzymatic Antioxidants ◽  
Protective Effects

The aim of the present study was to investigate the protective effects of Sesbania grandiflora flower (SGF) extract on erythrocyte membrane in Streptozotocin (STZ)-induced diabetic rats. Adult male albino rats of Wistar strain, weighing 190–220 g, were made diabetic by an intraperitonial administration of STZ (45 mg/kg). Normal and diabetic rats were treated with SGF, and diabetic rats were also treated with glibenclamide as drug control, for 45 days. In this study plasma insulin and haemoglobin levels were decreased and blood glucose, glycosylated haemoglobin, protein oxidation, lipid peroxidation markers, and osmotic fragility levels were increased in diabetic rats. Moreover, erythrocytes antioxidant enzymes such as superoxide dismutase, catalase, glutathione peroxide, glutathione reductase, glutathione-S-transferase, and glucose-6-phosphate dehydrogenase activities and non-enzymatic antioxidants such as vitamin C, vitamin E, reduced glutathione (GSH), and oxidized glutathione (GSSG) levels were altered. Similarly, the activities of total ATPases, Na+/K+-ATPase, Ca2+-ATPase, and Mg2+-ATPase were also decreased in the erythrocytes of diabetic rats. Administration of SGF to STZ-induced diabetic rats reduced blood glucose and glycosylated haemoglobin levels with increased levels of insulin and haemoglobin. Moreover, SGF reversed the protein and lipid peroxidation markers, osmotic fragility, membrane-bound ATPases activities, and antioxidant status in STZ-induced diabetic rats. These results suggest that SGF could provide a protective effect on diabetes by decreasing oxidative stress-associated diabetic complications.

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