Showing 78 results for Insulin
Mohammad Ali Sardar, Ali Akbar Shamsian, Morteza Taghavi,
Volume 6, Issue 1 (8-2006)
Abstract
Background: Combination of physical activity and pharmacotherapy in diabetes may augment the effects of the drug and may allow lower doses of medication that can minimize the side effects. The goal of the study was to determine the effectiveness of aerobic training and Glibenclamide combination in type 2 diabetes.
Methods: A total of 28 men with type 2 diabetes were divided to 3 groups randomly: Glibenclamide (5 mg daily) only, Glibenclamide (5 mg daily) plus aerobic training, Glibenclamide (2.5 mg daily) plus aerobic training. Aerobic training protocol was performed for 12 week, 3 days (session) a week, 45 minutes in a session (ergo cycle program at 60-70 % heart rate reserve). Fasting glucose, HbA1c, fasting insulin, c-peptide, and insulin resistance were measured at pre, mid and post treatment periods. Analysis of Variance test (ANOVA) were used to evaluate data.
Results: HbA1c significantly decreased and c-peptide significantly increased in three groups (P<0.05).There were also no between-group differences for c-peptide and HbA1c (P>0.05). Fasting insulin concentration did not alter in three groups, however, insulin resistance decreased ( no significant ) after 12 weeks.
Conclusion: In type 2 diabetic patients, Glibenclamide treatment alone or combination of aerobic training and Glibenclamide treatment, was effective in improving glycemic control in patients with type 2 diabetes .As a result, in patients with type 2 diabetes, the addition of aerobic training to Glibencelamide treatment allow lower doses of Glibenclamide to be used without impairment in glycemic control.
Soheila Amini Moghadam, Mohammad Reza Mohajeri Tehrani, Zahra Shaban Nejad-Khas, Ramin Heshmat, Ashraf Aleyacine, Bagher Larijani,
Volume 6, Issue 2 (9-2006)
Abstract
Background: Fetal hyperinsulinemia correlated with large birth weight and impaired glucose tolerance test and obesity in second decades of life. In this study we compared the correlation between fetal insulin production (as estimated by amniotic fluid (AF) C-peptide concentration) and AF insulin with macrosomia (as estimated by neonatal birth weight 4000 gr).
Methods: Thirty eight neonates were studied. Ten infants were macrosom and 28 were normal (birth weight < 4000 gr). Amniontic fluid C-peptide and insulin concentration and mother and fetal blood C-peptide and insulin were measured during delivery with radioimmunoassay and mother and fetal glucose were measured at the same time and correlated with neonatal macrosomia within first hour of birth.
Results: There was a significant correlation between infant serum C-peptide level and macrosomia. Amniotic fluid insulin level was higher in the macrosom infants but this correlation was not significant. AF C-peptide was higher in the macrosom group. Also there was a significant correlation between maternal serum C-peptide and macrosomia. Infant and mother serum insulin was higher in the macrosom group.
Conclusion: Our results suggest that fetal insulin (as estimated by AF C- peptide) and mother insulin and C- peptide production, can influence fetal weight and induce fetal macrosomia.
Ladan Giahi, Abolghasem Jazayeri, Abbas Rahimi, Mazaher Rahmani, Bagher Larijani,
Volume 6, Issue 2 (9-2006)
Abstract
Background: Plasma concentration of adiponectin was found to play an important role in regulation of glucose metabolism, insulin resistance and conditions commonly associated with obesity. The aim of this study was to assess adiponectin level and its relation with percent of body fat mass and insulin sensitivity in over-weight men.
Method: This study was conducted on two groups of type 2 diabetic (n=20) and non-diabetic (n=20) overweight adult men. Serum level of adiponectin (ELIZA), FBS (GOD-PAP), fasting insulin (immunoreactive assay) and body fat mass (Bio-electric impedance) were measured. Insulin sensitivity was calculated using QUICKI.
Results: Diabetics had significantly higher mean of fat mass% than non-diabetics (26.55± 2.87% vs. 22.93±2.64 p< 0.05), despite fairly similar BMIs (27.7 kg/m2). Adiponectin concentration was lower in diabetics (7.77 ±3.53µg/ml) than non-diabetics (8.13 ± 0.03µg/ml) however, this difference was not statistically significant. The negative correlation between adiponcetin and fat mass didn't reach statistical significance. Adiponectin positively related with insulin sensitivity in non-diabetics (r= +0.5 p= 0.04).
Conclusion: Lower level of adiponcetin in diabetics than their non-diabetic counterparts. As well as the positive association of adiponectin with insulin sensitivity confirm the suggested role of decreased level of adiponectin in conditions such as insulin resistance and diabetes.
Mohammad Hossein Dabbaghmanesh, Mohammad Reza Kalantarhormozi, Mahmood Soveid, Abdosamad Sadeghalvad, Gholamhossein Ranjbar Omrani,
Volume 7, Issue 2 (9-2007)
Abstract
Background: The relationship between diabetes and serum insulin and Zinc (Zn) levels is complex with no clear cause and effect relationships. Since Zn plays a clear role in the synthesis, storage and secretion of insulin as well as conformational integrity of insulin in the hexametric form, the decreased Zn, which affects the ability of the islet cell to produce and secrete insulin, might then compound the problem, particularly in type 2 diabetes. The aim of this study was to determine the changes of plasma Zn in patients with type 2 diabetes mellitus and healthy control in Shiraz city.
Methods: As a case-control study, we determined the serum Zn levels by atomic absorption spectrophotometer, blood HbA1c levels with columnar chromatographic method and Glucose, by enzymatic colorimetric method in auto analyzer. Data are reported as the Mean±SD and P<0.05 was considered as statistically significant
Results: Results of this study revealed that levels of Zn in serum of diabetic patients is lower than in the healthy control in Shiraz city (P<0.05).
Conclusion: With respect to the result of this study, dietary educations about consuming enriched Zn foods such as sea foods and corn in diabetic patients is necessitated.
Parvin Mirmiran, Zahra Bahadoran, Firoozeh Hosseini-Esfahani, Fereidoun Azizi,
Volume 13, Issue 2 (1-2014)
Abstract
Background: There are growing concern globally regarding fast food consumption and its
related cardiometabolic outcomes. In this study we investigated whether fast food
consumption could affect the occurrence of metabolic syndrome after 3-years of follow-up in
adults or not.
Methods: This longitudinal study was conducted in the framework of Tehran Lipid and
Glucose Study on 1476 adults, aged 19-70 years old. The usual intakes of participants were
measured using a validated semi-quantitative food frequency questionnaire at baseline.
Biochemical and anthropometric measurements were assessed at baseline (2006-2008) and 3
years later (2009-2011). Multiple logistic regression models were used to estimate the
incidence of the MetS in each quartile of fast food consumption.
Results: The mean age of participants was 37.8±12.3 years old, and the mean BMI was
26.0±4.5 kg/m2
at baseline. Participants in the highest quartile of fast food consumption were
significantly younger (33.7 vs. 43.4 years, P <0.01). Higher consumption of fast food was
accompanied with more increment in serum triglyceride levels after the 3-year follow-up
(10.6±2.3 vs. 4.4±2.3 percent in the fourth and first quartile, respectively, P<0.01). After
adjustment for all of the potential confounding variables, the risk of metabolic syndrome, in
the highest quartile of fast foods compared with the lowest, was 1.85 (95% CI= 1.17-2.95).
Conclusion: We demonstrated that higher consumption of fast foods had undesirable effects
on metabolic syndrome after 3-years of follow-up in Iranian adults.
Zahra Jamshidi Khezerlou, Sajad Ahmadizad, Mehdi Hedayati, Hiwa Rahmani, Azade Movahedi,
Volume 13, Issue 4 (5-2014)
Abstract
Background: The aim of this study was to compare responses of Visfatin and insulin resistance index to various resistance exercise protocols.
Methods: Ten healthy male subjects performed three resistance exercise protocols including maximal strength (three sets of 5 repetition at 85% of 1-RM with 3-min rest between sets), hyperthrophy (three sets of 10 repetition at 70% of 1-RM with 2-min rest between sets) and strength-endurance (three sets of 15 repetition at 55% of 1-RM with 1-min rest between sets) in three separate sessions. Two blood samples were taken before and after resistance exercise protocol. Responses to different resistance exercise protocols were compared by using repeated measures of ANOVA (3×2).
Results: Irrespective of resistance exercise protocol, results showed that plasma visfatin reduced significantly (P<0.05) in response to resistance exercise. Between group comparisons revealed that reductions in visfatin concentration in response to strength-endurance and hypertrophy protocols were significantly higher than maximal strength protocol (P<0.05). Analysis showed that not only glucose, insulin and insulin resistance index did not change in response to resistance exercise significantly, but also there was no significant difference among the responses to different resistance exercise protocols (P>0.05). In addition, there was no significant relationship between changes in visfatin and other parameters (P>0.05).
Conclusion: It could be concluded that performing strength-endurance and hypertrophy protocols that cause reductions in visfatin, possibly due to changes in growth hormone during these protocols, could be beneficial in reducing the hyperinsulinemia.
Maryam Chinisaz, Azadeh Ebrahim-Habibi, Parichehreh Yaghmaei, Kazem Parivar, Ahmad- Reza Dehpour,
Volume 13, Issue 4 (5-2014)
Abstract
Background: The flexible structure of proteins is one important factor in the formation of ordered aggregates (amyloid fibril). This is a major problem for therapeutic proteins such as insulin. Study on the induction and inhibition of insulin fibrillation process with specific compounds such as aromatic derivatives may provide useful information about means of stabilization of protein structures.
Methods: To induce fibrillation, regular insulin was incubated in phosphate buffer (pH=7.4) during 24 hours. Amyloid formation was investigated by using Congo red absorbance and transmission electron microscopy (TEM). Then nodular amyloidosis was observed in mice upon amyloid fibril injection, after which the excised nodule was studied by Congo red staining and polarized light microscopy. Then, some aromatic compounds effect was investigated on the fibrillation process.
Results: Regular insulin form mature amyloid fibrils at pH=7.4, 37°C after 24 hours. Silibinin had the highest inhibitory effect on that process. Furthermore, Amyloid fibril injection in mice caused nodular amyloidosis.
Conclusion: Regular insulin has a high potential to undergo amyloid aggregation. Nodular amyloidosis confirms fibril formation by insulin under in vitro condition. Silibinin could be considered as a potential compound capable to increase protein structure stability.
Nima Baziar, Kurosh Djafarian, Zhaleh Shadman, Mostafa Qorbani, Mohsen Khoshniat Nikoo, Farideh Razi,
Volume 13, Issue 5 (7-2014)
Abstract
Background: Vitamin D deficiency is associated with impaired insulin secretion, glucose intolerance and type 2 diabetes. This study was conducted to investigate the effects of supplementation with 50,000 IU vitamin D on improving serum vitamin D levels and insulin resistance in vitamin D insufficient or deficient type 2 diabetic patients.
Methods: In this double blind randomized clinical trial, 81 type 2 diabetic patients with vitamin D levels between 10-30 ng/ml were randomly assigned to intervention (50,000 IU vitamin D3 once a week) and control (placebo once a week) groups according to gender. The study duration was 8 weeks. At the beginning and the end of study, blood samples were collected after 12 hours overnight fasting and fasting serum glucose, insulin and 25-hydroxyvitamin D were measured. Insulin resistance was obtained by HOMA-IR calculation.
Results: After 8 weeks supplementation with vitamin D, 25-hydroxyvitamin D level was significantly increased and reached to normal levels in the intervention group. Fasting serum glucose and insulin concentrations and HOMA-IR were significantly decreased in the vitamin D group, but there were no significant changes in the placebo group.
Conclusion: Supplementation with 50,000 IU vitamin D for 8 weeks compared to placebo can improve inadequate levels of vitamin D and glycemic indicators in vitamin D insufficient or deficient type 2 diabetic patients.
Zeynab Nezamdoust , Marziyeh Saghebjoo, Afson Barzgar,
Volume 14, Issue 2 (1-2015)
Abstract
Background: This study was conducted to determine the effect of 12 weeks of aerobic training on serum levels of vaspin and glucose homeostasis variables in patients with type 2 diabetes. Methods: In this quasi-experimental study, 20 women with type П diabetes (mean±SD: age 43.30 ±3.02 yr, body mass index 27.089±3.23 kg/m2 and body fat 29.46 ±2.71%) were randomized into experimental (n = 10) and control (n = 10) groups. Experimental group performed twelve weeks aerobic training (3 times per week at an intensity of 75-85 % of maximum heart rate reserve). Blood samples were collected 24h before and 48h after the training. Data was analyzed by paired and independent samples t-test (P <0.05). Results: Results showed a significant decrease in serum levels of vaspin, fasting blood sugar and insulin resistance index (P value 0.001, 0.01 and 0.007 respectively) ) in experimental group and body weight, body mass index, percent body fat and waist to hip ratio significantly decreased in experimental group (P value 0.002, 0.01, 0.04 and 0.03 respectively). Conclusion: The results of this study showed that aerobic training along with decrease in body weight and percent body fat leads to significant decrease in serum levels of vaspin, fasting glucose and insulin resistance index, so can be considered as a complementary therapy method in patients with type 2 diabetes.
Fahimeh Ramezani Tehrani, Sonia Minooee, Masoumeh Simbar, Fereidoun Azizi,
Volume 14, Issue 2 (1-2015)
Abstract
Background: Considering the limited population-based studies and lack of a general consensus on the most sensitive and precise predictor of insulin resistance and metabolic syndrome in the women with polycystic ovary syndrome (PCOS), the present study was performed with the aim of comparing the validity of various available adiposity markers in these patients. Methods: In the national and population-based study of PCOS prevalence, 1772 girls and women, aged 18-45 years, were assessed for the diagnosis of PCOS based on Rotterdam criteria. Waist circumference, body mass index, waist to hip ratio, lipid accumulation product, visceral adiposity index (VAI) and homeostasis assessment model- insulin resistance (HOMA-IR) were calculated. The diagnosis of metabolic syndrome was based on Joint Interim Statement (JIS)criteria and HOMA-IR&ge 2.3 was considered as the resistance cutoff point. Results: In among different markers, VAI served as the best predictor of insulin resistance (sensitivity %60, positive predictive value %83) and metabolic syndrome (sensitivity %97, positive predictive value %95). ROC curve showed the cutoff points of 1.8 and 3.1 as the optimum values for insulin resistance and metabolic syndrome prediction, respectively. Conclusion: It seems that visceral adiposity index is a reliable marker for the screening of cardiometabolic disorders in the women with PCOS.
Hamed Rezaei Nasab, Roohollah Ranjbar, Abdol Hamid Habibi, Saeed Shakerian,
Volume 14, Issue 2 (1-2015)
Abstract
Background: The purpose of this study was to compare three intensities of acute aerobic exercise on plasma visfatin concentration in type 2 diabetic males. Methods: Ten men with type 2 diabetes (mean ± SD age 52.6 ± 3.6 years, height 171.3 ± 6.7 cm, Weight 87.58 ± 4.7 kg) participated in the study. In the first session, anthropometric measurements, body composition, and peak oxygen uptake (VO2peak) was measured in all subjects. In the next sessions, subjects completed three acute aerobic exercises on separate days in a crossover design. The three exercise trials performed at intensity of 40%, 60%, and 80% VO2peak after fasting for at least 10 hours. Energy expenditure was 300 kcal for each exercise trial. Blood samples before exercise, immediately after and 24 hours after exercise were collected for measuring visfatin, glucose and insulin. Results: The results showed no significance interaction (p>0.05) between exercise and sampling time. This analysis also revealed significance in the main effects (p>0.05) of the two factors (exercise and sampling time). Pearson correlation showed that there was significant relationship between visfatin and insulin (p<0.05). Conclusion: According to the present results, we can conclude that acute aerobic exercise at different intensities with 300 kcal energy expenditure will not change visfatin levels in type 2 diabetes.
Asiyeh Taji Tabas, Mehdi Mogharnasi,
Volume 14, Issue 3 (3-2015)
Abstract
Background: Nesfatin-1 is an adipokine that released by adipose tissue and participated in the regulation of insulin activity and glucose metabolism. The aim of this research is the investigation the effect of 10 week resistance exercise training on serum levels of nesfatin-1 and insulin resistance index in women with type 2 diabetes. Methods: Eighteen women with type 2 diabetes recruited this study by using of the Purposive Sampling method and were randomly divided into two experimental (n= 10) and control (n= 8) groups. The experimental group participated in resistance exercise training (the exercises training started with 30-50% intensity of one maximum repetition in the first training session and increased to 70-80% intensity of one maximum repetition in the final session) in three times per week for 10 weeks. Also, the control group not participated in exercise program. Blood samples were taken pre-and post-exercise test in the 12 h fasting conditions for evaluation of nesfatin-1, insulin and glucose levels. The resulting data was analyzed by SPSS 21 and used of Kolmogorov-Smirnov, t-independent and dependent t-tests at a significance level of &alpha<0.05. Results: Intra-group changes in the experimental group showed that a significant increase in nesfatin-1 levels and a significant reduction in blood glucose and insulin resistance levels after 10 weeks resistance training (P<0.05). However, there was no significant change in insulin levels (P>0.05). In the comparison between groups, the changes of nesfatin-1 and glucose levels were significantly in pre- and post-exercise test in the experimental group compared with the control group (P<0.05). Conclusion: According to the results of this research, resistance exercise training could be recommended as adjunctive therapy method for women with type 2 diabetes.
Masoud Rahmati, Abdolreza Kazemi, Naimeh Nekoie , Hadi Kerendi,
Volume 14, Issue 4 (5-2015)
Abstract
Background: The possibility that childhood obesity is a chronic disease in adulthood becomes enormous. The incidence and spread of obesity has increased substantially over the past two decades. The importance of personal health and quality of life has prompted researchers to study in this field. The aim of this study was to investigate the changes of serum levels of leptin, insulin, lipid profile, and body mass index after a period of sprint interval training in obese children. Methods: In this study, 30 obese children aged 9 to 11 years were randomly targeted placed in two groups (Training and control group). Sprint interval training was conducted for 8 weeks. Before and after training, measurements of leptin, insulin, lipid profile, and body mass index were measured. Data were analyzed using independent t-test (p<0.05). Results: Data analysis showed that after training, leptin, insulin and cholesterol levels were significantly reduced (p=0.001). Also, a significant decrease in BMI was seen (p=0.01). Conclusion: Sprint interval training on leptin, insulin and cholesterol in obese children has a significant impact and this exercise improve body mass index in these individuals.
Maryam Karkhaneh, Ehsaneh Taheri, Mostafa Qorbani, Mohamad Reza Mohajeri Tehrani, Saeed Hoseini,
Volume 14, Issue 4 (5-2015)
Abstract
Background: A unique subset of Individuals with normal body mass index (BMI= 18.5-24.9 kg/m2) and high body fat percentage (above 30% in women and 23% in men) that are termed as normal weight obese, are at increased risk for development of the metabolic syndrome and chronic diseases because the adipose mass and the excess of fat mass are an important source of proinflammatory cytokines. The aim of the present study was based on this hypothesis that women with high body fat percentage and normal body mass index are at increased risk for the metabolic syndrome in compared to healthy non obese women. Methods: This was as case-control study in which 40 obese women with normal weight (BMI= 18.5-24.9 kg/m2) and body fat percentage above 30% (FM> 30%) and 30 non-normal weight obese women (BMI= 18.5-24.9 kg/m2) and fat percentage less than 25% (FM <25%) who were matched for age (mean age = 28 years) recruited for this study. The components of metabolic syndrome including Anthropometric variables, blood pressure and fasting plasma concentrations of total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides, glucose and insulin were measured. Results: The anthropometric measurements including waist and hip circumferences in NWO was higher than non-NWO (respectively 74.78±4.81 vs. 70.76±2.91 and 99.12±4.32 versus 93.16±2/91, Pvalue<0.001), while the waist-to-hip ratio did not differ between the two groups (p=0.448).Also no significant differences were observed in concentrations of total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides, fasting plasma glucose, systolic and diastolic pressure between groups. Fasting serum insulin and insulin resistance was higher in NOW compared to non NWO (Pvalue<0.05) and insulin sensitivity in NWO was lower than non NWO (0.357 versus 0.374, pvalue = 0.043). Conclusion: Because of the higher serum insulin concentration and the lower insulin sensitivity, obese women with normal body mass index but high body fat percentage can be associated with a higher risk for metabolic dysregulation and metabolic syndrome compared to healthy women with the same body mass index and normal body fat percentage
Fatah Moradi,
Volume 14, Issue 4 (5-2015)
Abstract
Background: Resistin levels and insulin resistance increase in obese humans. Also, inactive life is associated with high risk of increased insulin resistance. The purpose of this study was to investigate effect of twelve weeks aerobic training on serum levels of resistin, and adiponectin-resistin (AR), homeostasis model assessment-adiponectin (HOMA-AD), and IRAR indices in sedentary obese men. Methods: In a semi-experimental study, twenty one sedentary obese men were randomly placed into two groups: aerobic training (n=10, 27.8±3.2 yr, 93.5±7.1 kg, 31.7±3.4 %, BMI 32.0±3.5 kg/m2) and control (n=11, 27.1±3.1 yr, 94.7±6.0 kg, 31.2±3.1 %, 32.2±3.3 kg/m2). General characteristics of subjects, serum levels of resistin, and HOMA-AD, AR, and IRAR indices were assessed before and after training. Aerobic training consisted of twelve weeks pedaling on cycle ergometer (3 sessions per week, intensity 60-70% of reserved heart rate, duration of each session 20-40 min). Data analyzed by SPSS16 software. Statistical significance was considered at P<0.05. Results: After the training period, serum levels of resistin (P=0.016), HOMA-AD (P=0.007), AR (P=0.020) and IRAR (P=0.003) were reduced, while none of mentioned parameters in control group did not change significantly (P>0.05). Conclusion: Circulating levels of resistin and HOMA-AD, AR, and IRAR, that are novel indices for insulin resistance, were reduced after twelve weeks aerobic training. Therefore, sedentary obese men can reduce risk of type 2 diabetes and cardiovascular diseases with performing aerobic training.
Roya Askari, Mohammad Reza Hamedinia,
Volume 14, Issue 5 (7-2015)
Abstract
Background: Apelin increases insulin insensitivity but its correlation with exercise training has less been taken in to consideration. The aim of this paper was to evaluation the effect of combined (resistance, endurance) and endurance training on plasma Apelin and in insulin sensitivity.
Methods: Forty -five volunteered students of eligible (BMI: 25-30,Health and inactive) were randomly divided into three groups, combined, endurance and control.The trainedgroups were trained forfour days per week, during 12 weeks. In combined group, endurance interval training was performed fromfivereplication with three minutebeginningand in final weeks reached to thirteen replications of 3 minutes with resting time of 1 to 2minutes. Intensity was 60-80% HRmax and resistance training planning: 2days per week,7 stations(Boat,leg press,buttreflys, Knee extension and flexion, forearm flexion and extension) 8-12 replication, resting time between the intervals and sets consequently: 30-60 ,60-90 second . The endurance group was trained with the same endurance section of combined group. Pre and post weeks, plasma Apelin,glucose and lipid profiles were measured in groups. Data were analyzed by One Way - Anova,significant level was P&le0/05, using SPSS, ver 18.
Results: Plasma Apelin decreased significantly compared with the control group (P=0/0001).In training groups, HDL-c had in the training group increased compared with the control group (P= o/o43). Insulin Insensitivity wasn't different among groups (P&ge0/05).
Conclusion: This paper showed that 12 weeks of combined or Endurance training had significantly decreased plasma Apelin and both training groups had an increase in their HDL-c but all of the exchanges were free of insulin sensitivity.
Alireza Safarzade, Fakhri Baradaran-Jam, Elahe Talebi-Garakani, Rozita Fathi,
Volume 14, Issue 5 (7-2015)
Abstract
Background: kallikrein 7 (KLK7), a serine protease with a chymotrypsin-like specificity, is able to cleave human insulin in the A- and B-chain. The aim of this study was to investigate the effects of aerobic exercise training on plasma KLK7 concentration and insulin resistance index (HOMA-IR) in normal and overweight sedentary women.
Methods: Twenty-eight sedentary women, aged 24-60 years, voluntary participated in this study and according to body mass index status divided into normal (n=15) and overweight (n=13) groups. All subjects completed an 8-week progressive aerobic exercise training program (running with 40- 80% Heart rate reserve). Metabolic and Anthropometric (body weight, BMI, body fat percentage) parameters in addition to plasma KLK7 concentrations were measured at baseline and end of training program.
Results: Body fat percentage significantly decreased (P<0.05) and maximum oxygen consumption increased (P<0.05) by this training program in both training groups. At baseline, plasma KLK7 concentration in overweight women was significantly higher compared with normal weight group (P<0.05). Plasma KLK7 concentrations significantly increased after 8-week aerobic exercise training only in normal weight group (P<0.05). Changes in plasma KLK7 concentrations were not correlated with changes in insulin concentration and insulin resistance index (P<0.05).
Conclusion: Aerobic exercise training could be an effective factor to increase plasma KLK7 concentration in sedentary women. These data do not support a role of plasma KLK7 in insulin resistance alterations.
Rozita Fathi, Sajjad Aslani Moghanjoughi, Elahe Talebi Garakani, Alireza Safarzadeh, Hassan Seyghal,
Volume 14, Issue 6 (9-2015)
Abstract
Background: Visfatin is an adipokine secreted from visceral adipose tissue and involved in glucose homeostasis. The aim of the present study was to investigate the effect of eight-week resistance training on plasma visfatin levels and its relation to insulin resistance in insulin-resistant male rats.
Methods: In this experimental study twenty-four Wistar male rats (220±20 gr) were acclimatized with lab condition then were randomly divided into three groups: Control (C), Insulin-Resistant control (IRC) and Insulin-resistant Training (T) groups. Insulin-resistance status induced by %10 fructose solution during 5 weeks. Resistance training group subjected to a three-day per week resistance training program for 8 weeks. Plasma visfatin, insulin, glucose levels, and insulin resistance index were assessed 48 hours after experimental period. Data were analyzed using one-way ANOVA and statistical significance was set at P<0/05
Results: The results showed that insulin resistance induction significantly increased plasma visfatin, glucose, insulin levels and insulin resistance index (P<0.05). On the other hand, resistance training significantly decreased plasma visfatin, glucose, and insulin levels (P<0.05) but visfatin was not altered significantly (P<0.05).
Conclusion: Based on the findings, visfatin increases in diabetes and insulin resistance and is correlated with insulin resistance. The change in plasma visfatin levels was not significant following resistance training and it was not correlated with insulin resistance index. Therefore, visfatin may not have a role in metabolic improvement induced by exercise training.
Mohammad Fiuzy, Javad Haddadni@hsu.acir, Nasin Mollania, Mohammad Mohammad Zedeh,
Volume 14, Issue 6 (9-2015)
Abstract
Background: Diabetes is such diseases that need high quality beside prevention such as correctly predict fluctuations in blood glucose levels. The main complications of the disease can be anesthesia, coma and even death. Today, in these patients, the correct dose of insulin determined based on experience or doctors knowledge, and interact between the patients and physician, although there is an inevitable human errors.
Methods: In this study based on applied method, 124 patients and 188 healthy subjects based on 12 features by Random Selection, Who had been referred to Research Center for Diabetic in Sabzevar university of Medical Science since 2006 to 2011 were studied. The proposed system has several subsystems, such as evolutionary algorithms (BPS 1) to select the most effective features, Data Mining Algorithms (SVM 2) to detect and classify the features from the non-effective features. Adaptive Neuro fuzzy systems (ANFIS 3) to estimate learn and adaptation in order to correctly predict have been used.
Results: In this study, we try to use artificial intelligence systems to determine the correct dose of insulin for diabetics. The proposed system combines the best attributes in the database in the form the interaction was able to achieve high accuracy with the lowest error. The proposed system based on best features in the database in the interaction form was able to achieve high accuracy with the lowest error. The proposed system in the form of composition and interaction with the subsystem was able to achieve carefully 84.1% in specificity, 91% in sensitivity and 92.9% in accuracy.
Conclusion: In this research, due to the importance of correct and timely determination of insulin for diabetics, a new method based on the combination of intelligent systems is presented. Thus, the results obtained in previous articles and studies provide significantly improved.
Siros Kabodi, Mehrali Rahimi, Elhame Niromand, Elahe Ajami, Afsane Egbalian, Majid Barati, Nader Rajabi Gilan,
Volume 15, Issue 2 (1-2016)
Abstract
Background: The aim of this study was to investigate the Belief related to Rejection of Insulin injection among type 2 diabetic patients based on Health Belief Model (HBM).
Methods: This cross-sectional study was carried out on 400 diabetic patients referred to Kermanshah Diabetes Research Center who were recruited with available sampling method. The participants completed a self-administered questionnaire including demographic characteristics, and HBM construct. Data was analyzed by SPSS-16 using coefficient correlation, Mann-Whitney, Kruskal-Wallis statistics.
Results: The maximum scores of Participants in perceived susceptibility, perceived severity, self-efficacy, perceived benefits, perceived barriers, cues to action was 66/95%, 60/7%, 59/95%, 51/97%, 68/04%, 74/74%respectively. Results showed that, in diabetic patients (II) require insulin level Susceptibility, severity and perceived benefits were intermediate, and the barriers to acceptance of insulin therapy were more.
Conclusion: Preparing training packages for promoting knowledge and self-efficacy and removing related berries of insulin therapy acceptance in diabetic patients are necessary.
