Archive

Year

Volume(Issue)

Issues

Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Title: 
Author(s): 

Issue Info: 
  • Year: 

    0
  • Volume: 

    12
  • Issue: 

    3 (مسلسل 51)
  • Pages: 

    -
Measures: 
  • Citations: 

    0
  • Views: 

    1276
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1276

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Author(s): 

عزیزی فریدون

Issue Info: 
  • Year: 

    1389
  • Volume: 

    12
  • Issue: 

    3 (مسلسل 51)
  • Pages: 

    205-207
Measures: 
  • Citations: 

    0
  • Views: 

    612
  • Downloads: 

    0
Keywords: 
Abstract: 

رشد کمی و کیفی آموزش عالی در جمهوری اسلامی ایران در سه دهه گذشته، تربیت نیروی انسانی عالم و ظرفیت سازی همراه با گسترش پژوهشکده ها و مراکز تحقیقاتی کشور و برخی برنامه ریزی ها سبب افزایش پژوهش ها و تولید مقاله های علمی شده و راه را برای رسیدن به اهداف چشم انداز جمهوری اسلامی ایران در افق 1404 هجری شمسی هموار نموده است تا بتوانیم ایران را کشوری توسعه یافته با جایگاه اول اقتصادی، علمی و فناوری در منطقه، با هویت اسلامی و انقلابی، الهام بخش جهان اسلام و دارای تعامل سازنده و موثر در روابط بین الملل توصیف نماییم. مقام معظم رهبری با درایت و عنایت خاص در راستای تحقق اهداف چشم انداز، بر ضرورت تحول در نظام علم و فناوری کشور و تدوین اسناد توسعه علمی و نقشه جامع علمی کشور تاکید فرموده اند.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 612

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 1
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    208-212
Measures: 
  • Citations: 

    0
  • Views: 

    936
  • Downloads: 

    0
Abstract: 

Introduction: Obesity is one of the risk factors of metabolic syndrome and type 2 diabetes.Considering that appropriate treatment of the each of several metabolic disorders is the key to effectively reducing mortality, morbidity and disability and the growing prevalence of obesity in the last century, this study was conducted to in vestigate the prevalence of abdominal obesity and to detect its qualitative relation with other components of the metabolic syndrome. Materials and Methods: This cross-sectional descriptive study was done on 1392 diabetics' type 2 patients between the ages 30 to 83 years. Following laboratory and clinical evaluations, and completion of questionnaires, data was statistically analyzed using two statistical tests the Chi-square and Fisher for qualitative data and the T test for quantitative data.Results: Of 1392 patients with type 2 diabetes, 810 patients (58.2 %) had abdominal obesity, including 46 men (5.7%) and 764 (94.3%) women. According to NCEP ATPIII1, 768 patients (94.8%) had metabolic syndrome. A significant relation was observed between abdominal obesity and sex, hypertension, decreased HDL and metabolic syndrome. (P‹ 0.01) However, there was no significant relationship between abdominal obesity, age and high TG (P‹0.01) Conclusion: The results of this study indicated that obesity had the strongest qualitative relation with metabolic syndrome, indicating the need to it control appropriately in diabetic patients.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 936

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    213-221
Measures: 
  • Citations: 

    0
  • Views: 

    772
  • Downloads: 

    0
Abstract: 

Introduction: The aim of this study was to investigate the moderating role of coping strategies in the relationship between illness perception, quality of life and HbA1c in patients with type I diabetes. Materials and Methods: Three hundred patients (172 females and 128 males, 18-30 years) aged with type I diabetes from the Iranian Diabetes Society completed the Illness Perception Questionnaire (IPQ), Coping Inventory for Stressful Situations (CISS), and Quality of Life scale for Diabetics (D-39). HbA1c level was obtained from patient`s laboratory examination.Results: Results of stepwise regression analysis revealed that the influence of illness perception on HbA1c was moderated by task-oriented coping strategy. The relationship between illness perception and quality of life was influenced by three coping strategies, task oriented, emotion-oriented, and avoidant.Conclusion: Coping strategies affect the relationship between illness perception, quality of life and HbA1c in patients with type I diabetes. Results can be helpful in devising preventive policies, determining high risk patients and designing of psychological interventions.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 772

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    222-230
Measures: 
  • Citations: 

    1
  • Views: 

    1079
  • Downloads: 

    0
Abstract: 

Introduction: Diabetes mellitus is a heterogenous group of different metabolic disorders, characterized by chronic increase of blood glucose and proteins, lipids and carbohydrates.Materials and Methods: In this semi-experimental investigation, 17 women patients with type 2 diabetes from the clinic of the Arak Petroleum Company were selected and divided into two groups: the strengthening (9 persons) and the controls (8 persons). The strengthening group performed selected exercises for 8 weeks (3 sessions/week and 30-50 min/session). In this investigation we assessed metabolic factors (total cholesterol, triglycerides, HDL, VLDL, LDL, FBS, HbA1c and Insulin Serum) and compared SF-36 and GHQ questionnaires. Data analyses was performed with SPSS.12 and we used of the paired samples T test. Confidence level was considered at 95% (P<0.05).Results: There were significant differences between means of pre-test and post-test measures of TC, FBS, HbA1C, insulin serum, quality of life (QOL) and mental health (MH) of the strengthening group, but no significant differences were found between means of pretest and post-test measures of HDL, LDL, VLDL and triglycerides in the strengthening group and factors of control group (P<0.05).Conclusion: It seems that strengthening exercises are an effective treatment for metabolic factors, QOL and MH in type 2 diabetic patients, and lead to improvement in the patient's status.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1079

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    231-236
Measures: 
  • Citations: 

    0
  • Views: 

    1409
  • Downloads: 

    0
Abstract: 

Introduction: Although some studies report an association between ferritin and glycemic status, data from Iran is limited. This study was designed to assess the relation between serum ferritin and glycemic status in type 2 diabetic and healthy individuals, aged 45-60 years, in Tehran.Materials and Methods: This cross-sectional study was performed on 54 type 2 diabetic patients and 53 healthy subjects, aged 45-60 years. The diabetic patients were members of the diabetes society in Tehran and healthy subjects were employees of Tehran University of Medical Sciences.Serum ferritin, fasting blood glucose (FBS), HbA1C, serum insulin and insulin resistance were analyzed in all participants. Statistical analyses were done using regression and independent sample t-test.Results: Serum ferritin levels were within normal range in both groups. Positive correlations between ferritin and FBS, HbA1C, insulin and insulin resistance were found, which were significant in diabetic patients and non-significant in healthy subjects. There was significant correlation between insulin resistance and serum ferritin in diabetic patients, however the correlation was non-significant in healthy subjects.Conclusion: There were positive correlations between ferritin with serum insulin and insulin resistance in patients with type 2 diabetes and the positive correlation was present even in normal ranges of serum ferritin. Since ferritin has a wide normal range, it may be better to reassess it, especially in patients with type 2 diabetes.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1409

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    237-242
Measures: 
  • Citations: 

    0
  • Views: 

    961
  • Downloads: 

    0
Abstract: 

Introduction: Self treatment in diabetes mellitus might have serious consequences. This study examined self treatment behaviors in patients with diabetes mellitus, in Kashan city. Materials and Methods: In this cross sectional study, patients aged over 18 years, with at least 6 months history of diabetes were asked to participate. A 25 item questionnaire with the 4 likert scale was used for recording data. The content validity of the questionnaire was approved and the reliability of the questionnaire was 0.85. The Chi square, T student and multiple regressions were used for data analysis.Results: A total of 400 patients participated in the study. Mean age of participants was 54.9±12.9 years, 68.2% percent were female, 4.2% had high self treatment score, while 65.8% had medium and 30% had low self treatment scores. Self treatment had no significant relationship with age, duration of disease, the place of living, kind of treatment, insurance, kind of diabetes or the inpatient outpatient status. Female gender, hypertension, hyperlipidemia and education had significant relationship with self treatment.Conclusion: There was a medium tendency for self treatment in patients. It seems that education focusing on treatment modalities might improve the effectiveness of self treatment in diabetes.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 961

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    243-250
Measures: 
  • Citations: 

    0
  • Views: 

    759
  • Downloads: 

    0
Abstract: 

Introduction: Tumor necrosis factor-a (TNF-a) is expressed primarily in adiposities, and elevated levels of this cytokine have been linked to obesity and insulin resistance. We, therefore, examined the relationship between this variant and obesity in an Iranian population. Materials and Methods: Subjects of the Tehran lipid and Glucose Study were classified in two age groups, the under 18 and the above 18, adults were classified in three groups according to their body mass index, BMI<25, 25 £MI<30, BMI ³30 subjects aged under 18 years were classified in the two groups according to their body mass index: under the 85th percentile for their age and sex and above the 85th percentile for their age and sex. Overall 239 persons were selected. We measured FBS, HDL-C, LDL-C, triglycerides, cholesterol levels and blood pressure, CRP, IL-6, IL-10, Adiponectin, and HOMA for all individuals. A 152 base pair segment of the mentioned gene with PCR was amplified and the polymorphism with RFLP (MSPI) revealed.Results: The allele frequency of TNF-a polymorphism was in the Hardy Weinberg equilibrium and the allele frequency was GG (79.5%), GA (19.2%), A A (1.3%) and there was no relation between BMI and the frequency of this allele. The genotype frequency in adolescents was GG (80.5%), GA (19.5%), AA (0%), 33 persons were GG genotype 8 GA genotypes and none had AA genotype. In adults, the genotype frequency was GG (79.3%), GA (19.2%), AA (1.5%), 157 persons had the GG genotype, 38 persons the GA genotype and 3 persons the AA genotype.Conclusion: No association was found between G-238A TNF-a promoter polymorphism and obesity, indicating probably that it is not an important risk factor for obesity or consequently for cardiovascular disease.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 759

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    251-259
Measures: 
  • Citations: 

    1
  • Views: 

    976
  • Downloads: 

    0
Abstract: 

Introduction: Risk factors for cardiovascular diseases have an increasing rate worldwide. Body weight is being used to predict the development of these risk factors in many populations.However, there is a lack of related data from Iran in this regard. The aim of this study was to determine the prevalences of hypertension and dyslipidemia in a Tehranian population over time, and to assess whether BMI or WHR as general and central obesity indicators are reliable predictors for these risk factors. Materials and Methods: The study population included 2729 individuals, aged 20-70 years, who were investigated at the beginning and the end of the second phase of the prospective Tehran Lipid and Glucose Study (TLGS). In each phase, BMI, WHR, BP and lipids profile were measured according to standard protocols. Socio-demographic data were obtained, using pretested questionnaires in each phase. Finally, using SPSS, prevalence of hypertension, dyslipidemia, general and central obesity in the study population were determined. Chi-square tests and logistic regressions evaluated the associations between variables after matching for confounders. To test the strength of the associations, sex-adjusted odds ratio (OR) and its 95% confidence interval were used.Results: A notable increase in general/central obesity prevalence and a decrease in hypertension and dyslipidemia prevalence were seen during the study period.BMI stayed significantly associated with hypertension and almost all lipid factors (P<0.05), however, WHR kept its significant association only with hypertriglyceridemia and low HDL-C (P<0.05).Conclusion: The results suggest that BMI the overweight/obesity indicator, is a stronger predictor for hypertension and dyslipidemia in adult Tehranians.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 976

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Author(s): 

TOFIGHI A.

Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    260-267
Measures: 
  • Citations: 

    0
  • Views: 

    803
  • Downloads: 

    0
Abstract: 

Introduction: Menopause is accompanied by hormonal variation and reduction in insulin sensitivity. Increase in body fat mass, which is followed by aging causes adiponectin decrement and higher insulin resistance in postmenopausal women. The purpose of this study was the evaluate of adiponectin and insulin resistance changes after a water training program in obese postmenopausal women. Materials and Methods: Twenty obese postmenopausal women (BMI>30 kg/m2), selected to participate in this study, were randomly divided into experimental and control groups. The experimental group performed selective resistance and aerobic water training for 3 months at 65-75% of MHR 45 min per session, whereas the control group did not participate in any exercise program during the study period. Blood samples were collected for assay of research variables, before and after exercise regimen. Plasma adiponectin and insulin were analyzed using commercially available ELISA kits. FBS measured by the enzymatic calorimetric method and insulin resistance was calculated with the HOMA-IR equation.Results: Data analysis showed that water training enhanced adiponectin concentrations in the experimental group (P<0.05). Also there was significant decrease in glucose and insulin resistance in the experimental group, compared to the control group (P<0.05).Conclusion: Based on the study results it seems that selective resistance and aerobic water training, due to involvement of greater muscle mass and exposure to dynamic pressure on the bones and muscles, leads to higher energy expenditure, higher levels of adiponectin concentration and decrease in insulin resistance in obese postmenopausal women.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 803

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    268-275
Measures: 
  • Citations: 

    0
  • Views: 

    719
  • Downloads: 

    0
Abstract: 

Introduction: This study was conducted to evaluate the effects of apple consumption on lipid profiles among hyperlipidemic and overweight men. Materials and Methods: We performed an experimental study on 46 hyperlipidemic men, aged between 30-50 years (TC=200-240 mg/dl, TG=150-350 mg/dl), randomly divided into two (apple and control) groups. The apple group (23 subjects) received 300 gr of whole apples per day (Golden Delicious) for 8 weeks, while controls (23 subjects) had the regular dietary pattern for the same period of time. Blood samples were collected at baseline and after intervention and analyzed for serum TG, TC, LDL-C, HDL-C, VLDL, Apo (B), Lp (a) and LDL/HDL levels. Before study, education level and family size were compared.Before and after intervention, physical activity and dietary intake were compared between the two groups. Both total polyphenol and the total fiber consumed in apples were measured.Results: Total polyphenol and total fiber intakes were 485 mg/kg fresh apple and 4.03 gr/100 gr of fresh apple, respectively. After 8 weeks, mean differences in TG and VLDL concentrations increased statistically in the apple group compared to the control group, but, no significant differences were observed in the TC, LDL-C, HDL-C, Apo (B), Lp (a) and LDL/HDL levels, between two groups.Conclusion: Consumption of Golden Delicious apples seemed to increase serum TG and VLDL concentrations in hyperlipidemic men. More studies are needed to investigate the effect of Golden delicious apple on serum TC, LDL-C, HDL-C, Apo (B), Lp (a) and LDL/HDL concentrations.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 719

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    276-282
Measures: 
  • Citations: 

    2
  • Views: 

    1047
  • Downloads: 

    0
Abstract: 

Introduction: Obesity is an undesirable outcome of changes in life style and behavior. This study aimed at determining the prevalence of obesity and its associated factors in population in Urban of Golestan province Iran to facilitate control of obesity related diseases. Materials and Methods: In this cross–sectional study, 2500 males and 2500 females residents of 17 different cities were selected, using cluster random sampling techniques. Anthropometric measures (height, weight) were obtained with standard methods and the data on social, demographics exercise, smoking and blood group were collected during interviews, using a specifically designed questionnaire. In assessment of obesity, a standard recommended WHO method, based on BMI distribution was used. Data was analyzed using SPSS version 11.5, and the logistic regression model was used to estimate the age adjusted odds ratio and its 95% confidence interval, P-value< 0.05 being considered significant.Results: Overall prevalences of obesity and overweight were 25.5% and 38.6% respectively (20.3%, 42.3% for men and 30.7% and 35% for women). Mean BMI in, female and male subjects was 27.05±5.05, 27.63±5.54, and 26.48±4.44 respectively. In addition, WHR of all subjects was (0.92±0.1), (females) (0.91±0.9), males (0.93%±0.11). The pattern of obesity differed significantly with age in both genders. The results of logistic regression model showed that the odds ratio of obesity was greater, roughly 1.7 times in women, compared with men. The adjusted odds ratio decreased with increasing the levels of education and non smoking (P<0.0001).The adjusted odds ratio showed no significant difference with occupation, race, blood group and or physical activity duration.Conclusion: The results of this study indicate an increased rate of obesity and overweight in an urban population, obesity in women being 10% higher than in men: Findings, showed that low levels of physical activity and education, gender, and smoking and aging were responsible for obesity.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1047

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 2 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    283-293
Measures: 
  • Citations: 

    0
  • Views: 

    1913
  • Downloads: 

    0
Abstract: 

Introduction: Running and cycling are two modalities of exercise commonly used to promote fat oxidation in weight loss programs for obese people. In order to design appropriate training programs, the objective of the present study was to compare fat oxidation and energy expenditure at different intensities of exercise during running and cycling in obese adolescent boys. Materials and Methods: Eleven healthy obese adolescent boys (mean age 13±1.2 years, mean weight 73.1±7.6 kg, and body mass index 27.5±2.5 kg/m2) voluntarily participated in this study. Subjects performed 2 incremental graded exercise tests on a cycle ergometer and a motorized treadmill.Heart rate, mean oxygen consumption and carbon dioxide generation during the last two minutes of each level of test were measured and respiratory exchange ratio was calculated. Energy expenditure and fat and carbohydrate oxidation rates were calculated at different intensity levels.Results: At comparable and similar heart rates, the fat oxidation rate was significantly higher during running, compared to cycling over a wide range of intensities (p<0.05), except at intensities of 20w and 170w, as was the total energy expenditure, compared to cycling (266±43 vs237±39 kJ/min) (p<0.05). Carbohydrate oxidation was, however, significantly higher during cycling compared to running, at intensities of 45w, 70w and 95w.Conclusion: It is concluded that for obese adolescents, in order to lose weight and reduce body fat mass (increased energy expenditure and promoted fat oxidation in a certain level of cardio-vascular responses), moderate intensity of running would be more effective than cycling.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1913

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    294-299
Measures: 
  • Citations: 

    0
  • Views: 

    1244
  • Downloads: 

    0
Abstract: 

Introduction: Iodized salt is the main dietary source of iodine in Iran. Previous studies have shown sustainable elimination of iodine deficiency disorders in Iran. The aim of this study was to evaluate urinary iodine concentration and the iodine content of households salt in the south of Tehran in 2009. Materials and Methods: This cross-sectional study, 91 households were enrolled through randomized cluster sampling. A total of 147 adult subjects (62 males, 85 females), aged 18 and over, were selected from households to provide 24 hr urine samples. Urinary iodine and creatinine concentrations were measured by using the digestion method and autoanalizer assay, respectively. Daily salt consumption was estimated and household salt iodine content was measured by titration.Results: Mean±SD iodine concentration of household salt was12.7±14.7 ppm, and 64.8 % of household salts contained<10 ppm iodine. The median of Urinary Iodine Concentration (UIC) was 48.0 mg/l. There was no statistically significant difference in UIC, between men and women. The median daily salt consumption was 9.1 g. According to WHO/ICCIDD/UNICEF classification, 17.0, 30.6, 45.6 and 6.8 percent of participants had UICs>100, 50-99, 20-49 and<20mg/l, respectively.Conclusion: Iodine contents of household salts were not adequate in the south of Tehran, indicating Tehranians in this region, previously iodine sufficient, now suffer from moderate iodine deficiency. These findings show necessity of more detailed surveys for iodine nutrition improvement and emphasize the importance of attention being paid to the risk of iodine deficiency recurrence in Iran.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1244

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2010
  • Volume: 

    12
  • Issue: 

    3 (SN 51)
  • Pages: 

    300-306
Measures: 
  • Citations: 

    0
  • Views: 

    933
  • Downloads: 

    0
Abstract: 

Introduction: Metformin, an oral medicine used to treat type 2 diabetes, is a Glucagon-Like Peptide-1 (GLP-1)analogue, which has been demonstrated to stimulate the expression of Pancreatic duodenal homeobox-1 (Pdx-1), Insulin and Glucose transporter 2 (Glut-2) genes. In this study, the regulatory effect of metformin on beta cells function through the expression of Pdx-1, Insulin and Glut-2 genes was investigated. Materials and Methods: PregnantC57BL/6 mice were randomly divided into 2 groups. Normal saline was given to the control group and the experimental group received 75, 150 and 250 mg/kg metformin daily by intraperitoneal injection from day 8.5 of pregnancy. Half the pregnant animals were then sacrificed by cervical dislocation or day 19.5 of pregnancy and the pancreases of embryos were dissected. The other half of pregnant animals were allowed to deliver their pups and the pancreases of one day old mice were dissected. The dissected pancreases were then used for assessment ofPdx-1, Insulin and Glut-2 genes expression by semi-quantitative RT-PCR method.Results: Results showed that the administration of various doses of metformin caused no changes in the expression of Pdx-1, Insulin and Glut-2 genes compared to the control group (P>0.05).Conclusion: The regulatory effect of metformin on beta cells function might not be related to the expression of Pdx-1, Insulin and Glut-2 genes and may be related to the expression of gloconeogenesis pathway genes.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 933

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
telegram sharing button
whatsapp sharing button
linkedin sharing button
twitter sharing button
email sharing button
email sharing button
email sharing button
sharethis sharing button