scholarly journals Influence of melatonin on the kidneys of rats with experimental diabetes mellitus type 2

2020 ◽  
Vol 11 (3) ◽  
pp. 384-391
Author(s):  
A. V. Semenko ◽  
Y. V. Murdasov ◽  
S. V. Kirichenko ◽  
V. I. Zhyliuk ◽  
G. A. Ushakovа

Diabetes mellitus is characterized by numerous pathological changes in the body. Under conditions of diabetes, hyperglycemic intoxication of the organism rapidly develops, which in turn leads to an increase of oxidative stress with subsequent disturbance of the anatomical and functional integrity of the components of organisms. Today, the search for the substances that would contribute to the multi-vectoral effect on the negative consequences of diabetes is actively being pursued. Melatonin is one of such substances. In this work, we studied the effect of melatonin on oxidative stress markers (oxidized products content, activities of superoxide dismutase and catalase), the concentration of metabolism end products (creatinine and urea), main ions concentration (potassium and chlorine), and protein content (total protein and electropherogram in polyacrylamide gel), enzymatic activity of gamma-glutamyltrasferase in the cytosolic fraction of rat kidneys under condition of type 2 diabetes mellitus (EDM2). Experimental studies were performed on 18 white adult Wistar rats divided into three groups (control, group with EDM2 and group with EDM2, which were treated with melatonin). The increase of concentration of oxidized products, the activity of catalase and gamma-glutamyltrasferase, creatinine, urea, K+ and Cl– and the decrease of concentration of superoxide dismutase in the rats’ kidneys was noted after development of EDM2. The electrophoretic proteinogram of the cytosolic proteins obtained from the rats’ kidneys showed an increase of content of high-molecular-weight and a decrease of low-molecular-weight proteins. Administration of melatonin in a dose of 10 mg/kg of body weight for 7 days after development of EDM2 restored the studied parameters almost to the control group values. Therefore, the influence of melatonin can prevent chronic development of oxidative stress in kidneys under hyperglycemic intoxication, and lead to normalization of kidney function and the restoration of homeostasis.

2020 ◽  
Vol 20 (4) ◽  
pp. 584-590 ◽  
Author(s):  
Shima Fathi ◽  
Shiva Borzouei ◽  
Mohammad Taghi Goodarzi ◽  
Jalal Poorolajal ◽  
Fatemeh Ahmadi-Motamayel

Background: Diabetes Mellitus (DM) is a progressive metabolic disorder. Objective: The aim of this study was to investigate the relationship between antioxidant and oxidative stress markers in the saliva of patients with type 2 DM and a healthy control group. Methods: In this study, 20 patients with diabetes and 20 healthy individuals were evaluated. Salivary antioxidants markers consisted of total antioxidant capacity (TAC), uric acid (UA), peroxidase and catalase. Oxidative stress markers included total oxidant status (TOS), malondealdehyde (MDA) and total thiol (SH). Sialochemical analysis was performed with spectrophotometric assay. All the statistical analyses were conducted using STATA software. Results: TAC decreased significantly in patients with diabetes. Although salivary UA and peroxidase were lower in patients with diabetes compared to the control group, the difference was not significant. Salivary catalase in patients with diabetes was significantly lower than that in the control group. MDA and TOS exhibited significantly higher levels in type 2 DM. SH levels were slightly higher in DM. Conclusions: According to the results of the present study, there were some changes in the salivary levels of some antioxidants and oxidative stress markers in patients with type 2 DM and could be measured as an indicator of serum changes..


2017 ◽  
Vol 27 (2) ◽  
pp. 25857
Author(s):  
Samuel Selbach Dries ◽  
Bárbara Da Silveira Soares ◽  
Ana Luiza Ziulkoski ◽  
Simone Gasparin Verza ◽  
Rafael Linden ◽  
...  

*** Oxidative stress in patients with type 2 diabetes mellitus treated with metformin ***AIMS: To evaluate oxidative stress parameters in patients with type 2 diabetes mellitus treated with metformin, relating these values to its side effects, plasma levels, glycemic control, diabetic complications, lipid profile, and the influence of pharmacotherapeutic follow-up.METHODS: Patients with type 2 diabetes mellitus, on metformin and in pharmacotherapeutic follow-up for four months, were evaluated. The pharmacotherapeutic follow-up consisted in providing information and answering patients’ questions about medication and disease. In addition, administration times, dosages, and presence or absence of side effects related to the use of metformin were verified. Glycemic and lipid profile, oxidative stress (superoxide dismutase and malondialdehyde) and plasma metformin were evaluated. Pearson’s correlation and Spearman’s correlation were performed to evaluate the relationship between the variables at the beginning of the study. The independent t-test and Mann-Whitney U test were used to assess the difference between the groups with and without diabetic complications. The range of values between the beginning and  end of the study was evaluated using Student’s t-test or Wilcoxon U test. The significance level was set at 5%.RESULTS: The initial sample consisted of 49 patients aged 59±9 years with a body mass index of 29.8±5.1 kg/m2, who have had diabetes for a median time of 36 months (interquartile range of 1-240) and have been on metformin for a median time of 36 months (interquartile range of 1-180). Twenty-five patients left the study between the second and fourth meetings. Malondialdehyde levels differed between before and after pharmacotherapeutic follow-up, being positively correlated with blood glucose, glycohemoglobin, and triglyceride level, and negatively correlated with metformin and superoxide dismutase. Blood glucose, glycohemoglobin, and malondialdehyde levels increased, whereas metformin levels decreased in the group with diabetic complications, and there was a correlation between malondialdehyde and the number of diabetic complications per patient.CONCLUSIONS: In this sample of patients with type 2 diabetes mellitus treated with metformin, oxidative stress was more pronounced in those with poor glycemic control and diabetic complications.


2008 ◽  
Vol 27 (3) ◽  
pp. 376-382 ◽  
Author(s):  
Tatjana Cvetković ◽  
Predrag Vlahović ◽  
Vidosava đorđević ◽  
Lilika Zvezdanović ◽  
Dušica Pavlović ◽  
...  

The Significance of Urinary Markers in the Evaluation of Diabetic Nephropathy Oxidative stress is considered to be a unifying link between diabetes mellitus (DM) and its complications, including nephropathy (DN). The aim of this study was to determine the parameters of oxidative injury of lipids and proteins as well as the activity of ectoenzymes in the urine of DN patients. The study included 40 individuals: 10 patients with type 2 diabetes mellitus and microalbuminuria (DMT2-MIA), 10 type 2 diabetic patients with macroalbuminuria (DMT2-MAA), 10 patients with type 1 diabetes and microalbuminuria (DMT1-MIA) and 10 age- and sex-matched healthy subjects (control). In the urine we determined TBA reactive substances (TBARS), reactive carbonyl groups (RCG), and the activity of ectoenzymes N-acetyl-β-d-glucosaminidase (NAG), plasma cell differentiation antigen (PC-1), aminopeptidase N (APN) and dipeptidyl peptidase IV (DPP IV). A higher concentration of TBARS in the urine was found in DMT2-MIA and DMT1-MIA, compared to the control group (p<0.001 and P<0.05). The urine concentration of RCD shows similar results with a significant elevation in the groups with DMT2-MAA and DMT1-MIA, compared to the DMT2-MIA (p<0.001) and control group (p<0.001). Activities of NAG, APN and DPPIV were significantly higher in the urine of DMT2-MAA, compared to the control (p<0.01). The activity of PC-1 was slightly increased in that group, but not significantly. In conclusion, the level of oxidative stress markers and activities of brush border ectoenzymes in the urine may be a useful non-invasive and easily repeatable test in DN.


2021 ◽  
Vol 5 (1) ◽  
pp. 10-23
Author(s):  
Faradea Ubaidurrohmah Savitri ◽  
◽  
Risma Andani Ayu Safitri ◽  
Wening Pangesthi Maharani ◽  
Lela Dwi Andriani ◽  
...  

Diabetes Mellitus is a chronic disease caused by abnormal working insulin, insulin secretion or both so that the body tends to have high glucose levels. Type 2 diabetes mellitus can cause elevated levels of LDL and cholesterol. Risks obtained by fetuses with type 2 diabetes can be in the form of macrosomia due to hyperglycemia and hyperinsulin in the body of the fetus. Insulin is the first choice pharmacological therapy for type 2 DM that can be given during pregnancy. Non-pharmacological therapy as recommended by the World Health Organization (WHO) on a healthy diet by increasing consumption of fruits and vegetables. Good fruit consumed for pregnant women with diabetes mellitus (DM) type 2 is tomatoes (Solanum lycopersicum L). The purpose of this study was to determine the administration of tomato extract (Solanum lycopersicum L) and insulin can affect glucose levels, LDL levels, cholesterol levels and birth weight of white wistar galur (Rattus norvegicus) pregnant women with type 2 diabetes mellitus models. experimental design using the pre post test only control group design and post test only control group design. Termination was done on the 17th day of pregnancy and then followed by measurements of LDL levels, cholesterol and birth weight. Data analysis using the One Way Anova test and Kruskal Wallis then continued with the Post Hoc test using. The results showed that there were significant differences between glucose levels, LDL levels, cholesterol levels and BW born in the insulin treatment group and the tomato juice treatment (p value = 0.00 <α = 0.05). The conclusion of giving insulin and tomato juice affects a decrease in glucose levels, LDL levels, cholesterol levels and birth weight.


2021 ◽  
Vol 22 (1) ◽  
pp. 60-71
Author(s):  
I.A. Lapik ◽  
◽  
K.M. Gapparova ◽  
A.V. Galchenko ◽  
◽  
...  

Low caloric diet is used in the complex treatment of patients with diabetes mellitus and obesity. However, the reduced caloric food can inadvertently lead to decreased intake of micronutrients. The main goal of the research was to assess the necessity and effectiveness of the vitamin-mineral complex in the treatment of type 2 diabetes with obesity. Methods: 80 females suffering from type 2 diabetes and obesity, ranging from 40 to 65 years old participated in the study. The total patients were divided into two groups, each containing 40 patients. All patients were given a personalized diet and 1000mg of metformin every day. The experimental group, besides that, received vitamin-mineral complex. The biochemical analysis of the blood, composition of the body, and the complaint on micronutrient deficiency were taken before the experiment and after 14 days of the therapy. Results: Supplementation of the vitamin-mineral complex was associated with higher blood serum levels of vitamins B6, B12, B9, C, D, potassium, calcium, magnesium and zinc, and lower levels of glucose. Clinical manifestations, associated with micronutrient deficiency, were significantly decreased in patients who were given vitamin-mineral complex. All these changes were valid both in relation to the initial level in the study group and to the indicators after treatment in the control group. Conclusion: Micronutrient supplements may be a very important part of the combined therapy of patients with diabetes mellitus and obesity.


2021 ◽  
Vol 19 (10) ◽  
pp. 29-33
Author(s):  
Dr. Mohammed Abdulrazzaq Assi ◽  
Dr. Hanan Jasim Hammood ◽  
Zainab Mahdi Attia

Objects: The study's purpose was to see if there was a link between netrin.1 and type II diabetes patients. Methodology: The present study carried out on (45) patients affected with diabetes mellitus from (120) persons were examined in the education of Diwaniyah hospital from 6th September to the 4th December 2020. The study includes measurement of the body mass index, fasting blood glucose level, HbA1c, lipid profile and level of netrin-1. Results: Our findings were revealed the netrin-1 level was significantly lower in the diabetes (1205.36±753.09) compared to control group (1477.79±700.26; P < 0.01). Our observations were appeared Significantly higher levels of blood cholesterol, TG, LDL, and VLDL-C and In diabetes individuals, there was a significant drop There was a 0.05 difference in HDL-C levels when compared to healthy controls. Conclusion: These findings indicate that low netrin1 concentration in serum are strongly linked to the occurrence of type II diabetes.


2016 ◽  
Vol 29 (suppl 1) ◽  
pp. 3-7 ◽  
Author(s):  
Cacio Ricardo WIETZYCOSKI ◽  
João Caetano Dallegrave MARCHESINI ◽  
Sultan AL-THEMYAT ◽  
Fabiola Shons MEYER ◽  
Manoel Roberto Maciel TRINDADE

ABSTRACT Background: Type 2 Diabetes Mellitus is a multifactorial syndrome with severe complications. Oxidative stress is accepted as a causal factor of chronic complications Aim: To demonstrate alterations in oxidative stress after metabolic surgery. Methods: Twenty-four 2-day-old Wistar rats were used. In 16, Type 2 Diabetes Mellitus was induced by 100 mg/kg streptozotocin injection. The development of diabetes was confirmed after 10 weeks using an oral glucose tolerance test. Eight diabetic rats composed the diabetic surgical group; the remaining eight composed the diabetic group. Eight animals in which diabetes was not induced formed the clinical control group. The Marchesini technique was used in the diabetic surgical group. After 90 days, the rats were sacrificed, and the oxidative stress markers were measured. Results: Thiobarbituric acid reactive substances, superoxide dismutase and catalase were significantly reduced in the diabetic surgical group compared to the diabetic group. Conclusion: The duodenojejunostomy was effective in controlling the exacerbated oxidative stress present in diabetic rats.


Author(s):  
Asmaa M. Salih Almohaidi ◽  
Kebaa Ahmed Saeed

Diabetes mellitus type 2 [DMT2] is a disturbance of metabolism and complex diseases influenced by environmental, genetic agents, and linked with inflammation, happens when the pancreas either does not use the insulin as it should or the body does not make enough insulin, lead to insulin resistance [IR] alongside with gradual loss of ß-cell secretory ability. The aim of this study was to investigate the role of soluble L-selectin (sL-selectin) in diabetes mellitus type 2 patients in Iraqi Arabs patient. Study includes seventy six Iraqi Arabs patients (male and female) having newly diagnosed type 2 diabetes mellitus (T2DM), with Fifty three Iraqi Arabs healthy subjects matched in age, sex and ethnic group. Patients and healthy subjects were genotyped, by PCR-RFLP analysis, and mesure serum level of L-selectin by enzyme-linked immunosorbent assay (sandwich ELISA) test include 65 patients and 23 controls. The statistical analysis of serum level of sL-selectin in study groups showed that the mean of sL-selectin level high significantly increased in patients group (10.708±1.1007) compared to control group (7.055±0.767) respectively. Thus, our results suggest soluble L-selectin play a role in the development of DMT2 in Iraqi Arabs patients. Present results showed that genotype PS associated with increase the susceptibility of DMT2.


2021 ◽  
Vol 10 (4) ◽  
pp. 328-339
Author(s):  
Bahare Heydari ◽  
◽  
Mohsen Ghofrani ◽  
Mohammad Ebrahim Bahram ◽  
◽  
...  

Objective: The production of reactive oxygen species in exercise causes oxidative stress which disturbs the balance of oxidants and antioxidants, causing destructive effects on cells. The present study aims to investigate the effect of three types of massage (Swedish, Russian, Thai) on serum levels of Malondialdehyde (MDA), Glutathione Peroxidase (GPX) and Superoxide Dismutase (SOD) following one session of exhaustive exercise. Methods: This quasi-experimental study was conducted on 48 female futsal players aged 17-22 years in Zahedan, Iran who were selected using a purposive sampling method, and randomly divided into four groups of Swedish massage (Long strokes with pressing and tapping using hands), Russian massage (Medium to high pressure), Thai massage (Pressure to certain parts of the body) and Control. The exercise program was based on Bruce protocol. Serum levels of MDA, GPX and SOD were measured by before and immediately after exercise and after massage. Data analysis was performed using repeated measures ANOVA, considering a significance level of P≤0.05. Results: In all three types of massage, there was a significant decrease in serum level of MDA (0.22±0.08), and a significant increase in GPX (1.84±0.46) and SOD (10.02±2.86) levels after exhaustive (P=0.001). No significant difference was observed in the control group. Conclusion: It seems that Russian, Thai, and Swedish types of massage can affect the serum levels of the MDA (as an oxidative stress marker) and the antioxidant enzymes of GPX and SOD during the post-exercise recovery period.


2016 ◽  
Vol 62 (1) ◽  
pp. 16-24 ◽  
Author(s):  
Natalia Vasil'evna Brailova ◽  
Ekaterina Nail'evna Dudinskaya ◽  
Olga Nikolaevna Tkacheva ◽  
Marina Vladimirovna Shestakova ◽  
Irina Dmitrievna Strazhesko ◽  
...  

Aim.To study the association of chronic inflammation, oxidative stress with telomere biology in people with type 2 diabetes mellitus (T2DM).Material and Methods.A total 50 patients with T2D and without cardiovascular disease (CVD) and 139 people from control group were included in the study. All subjects were measured for carbohydrate metabolism; oxidative stress (malondialdehyde (MDA)); inflammation (C-reactive protein — CRP, fibrinogen, interleukin-6); lymphocyte telomere length, telomerase activity.Results.In diabetic patients telomeres were shorter than in controls (9.59±0.54 and 9.76±0.47; p=0.031), telomerase activity was lower (0.47±0.40 and 0.62±0.36; p=0.039), inflammation (CRP, elevated fibrinogen) was higher. All patients were divided by telomere length. In T2DM group CRP was higher in patients with «short» telomeres (7.39±1.47 and 3.59±0.58 mg/L; p=0.02). There were no significant differences in the level of chronic inflammation and oxidative stress in ‘long’ telomeres group: CRP 3.59±0.58 and 3.66±0.50 mg/L (p=0.93), MDA 2.81±0.78 and 3.24±0.78 mmol/l (p=0.08). Diabetic patients in «short» telomeres group had greater chronic inflammation: CRP 7.39±1.47 and 4.03±0.62 mg/L (p=0.046), increased fibrinogen, 0.371 and 0.159 (p=0.022). All patients were divided by telomerase activity. Severity of chronic inflammation was greatest in T2DM and the «low» activity of telomerase. There were relationship between telomere length and CRP in T2DM patients (r=–0.40; p=0.004).Conclusions. Chronic inflammation and cell aging were more pronounced in patients with T2DM. However, despite diabetes, signs of chronic inflammation were minimal in patients with «long» telomeres compared to healthy people. Perhaps long telomeres protect diabetic patients from the damaging effect of chronic inflammation.


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