fariba mohammadi tahroodi
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Introduction
burn injury remains as a major medical problem throughout the world. This injury is accompanied with inflammatory and wound healing responses. Since Royal jelly (RJ) has anti-inflammatory and wound healing activity therefore, the aim of this study was to evaluate the repairing effects of RJ on skin burn- damage.
MethodsIn an experimental study, 40 male wistar rats (8 weeks old) were engaged. The animals were divided into five equal groups. Group 1 was considered healthy control. Group 2 (positive control) was treated topically with Silver Sulfadiazine Cream, group3 received Eucerin as negative control, and group 4, 5 treated with RJ (10 and 30%).
Sampling was performed after observing the second-degree burns on the first, seventh and fourteenth days. Then after 28 days, rats were sacrificed and their skin tissues were used for morphological and morphometric assessments.ResultsThe results of this study showed that the amount and arrangement of collagen type 1 protein was higher in the RJ treatment groups versus control group.
Reconstruction and thickening of the epithelium in RJ treated groups confirmed therapeutic effects of RJ. In addition, RJ increased angiogenesis compared to the control group. The woundchr(chr('39')39chr('39'))s surface area was reduced in the RJ treatment groups compared to the control group. In addition, Fibroblast cell proliferation was increased in the groups receiving RJ versus control.ConclusionIt could be concluded that, RJ induce wound healing effects and might be considered as potential treatment option to improve the burn wound healing.
Keywords: Royal jelly, Inflammation, Wound, Burn injury -
Background and Aim
Type 2 diabetes is a common metabolic disease, which is associated with obesity and inactivity. Plant-based dietary patterns are recommended for the treatment of type 2 diabetes. On the other hand, the effect of aerobic training on the improvement of type 2 diabetes is also highly emphasized. The purpose of this study was to investigate the effects of 2-months of pomegranate juice consumption with and without aerobic training on the levels of HbA1c, fasting blood glucose (FBG), lipid profile in women with type 2diabetes.
MethodsIn this study, 58 women with type 2diabetes who were referred to Tehran Lorzadehclinic were randomly divided into four groups: control, pomegranate juice, aerobic training, combined pomegranate juice with aerobic training. The aerobic training plan consisted of 2-months and three times per week (training time from 20 minutes to 45 minutes). Three days before and after this interventional study, serum levels of FBG, total cholesterol (TC), triacylglyceride (TG), and low-density lipoprotein (LDL) were measured by colorimetric methods.
ResultsResults showed that combined pomegranate extract consumption with aerobic exercise training significantly decreased the levels of FBG, HbA1c, and TG in women with type 2 diabetes compared to the control group after the intervention (P<0.01), while TC, LDL-c, and BMI remained unchanged. There was no statistically significant difference in the levels of TC, TG, HbA1c, and FBG in pomegranate extract or aerobic training groups compared to the control group after intervention.
ConclusionThe results of this study indicate that combined pomegranate juice with aerobic training has beneficial effects on type 2 diabetes and could be recommended in their therapeutic program.
Keywords: Type 2 diabetes, Pomegranate extracts, Aerobic exercise, Body mass index, Lipid profile -
Backgroun dand Aim
Sugar and Lipid disorders are the main risk factors for vascular abnormalities. Due to the gender and age, other variables can influence serum Fasting blood sugar and lipid levels, certifying the determination of population-specific reference interval. This study was designed to investigate the age-and gender-specific reference values for serum Fasting blood sugar (FBS), triglycerides (TG), total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein-cholesterol (HDL) in healthy Babolianadults.
MethodsFBS, TC, TG, and HDL were calculating applying the colorimetric method. The Friedewald equation (LDL=TC−HDL−TG/5) was used to calculate LDL concentrations in individuals. After using the exclusion parameters, 519 participants (199 men and 320 women) aged ≥23 years were included. The Clinical Chemistry guidelines of the International Federation applied for characterizing the reference values for samples.
ResultsReference values for serum FBS, TG, TC, LDL, HDL were 77.01-107.69 mg/dL, 35.34-204.38 mg/dL, 117.97-242.81 mg/dL, 47.6-137.16 mg/dLand 33.29-67.13 mg/dLin men. In women, reference values for serum FBS, TG, TC, LDL, HDL were 75.03-107.99, 27.49-192.33 mg/dL, 125.84-244.32 mg/dL, 44.08-139.48 mg/dLand 36.66-81.1 mg/dL. FBS, TG, and LDL parameters were higher in men, and TC and HDL parameters were higher in women.
ConclusionReference values for serum FBS, TC, TG, LDL, HDL in healthy Babolianadults were specified, and these data could supply a clear pathway for better decision making in both clinical settings and prevention
Keywords: Cholesterol, Fasting Blood Sugar, Lipid Profile, Reference Interval Values, Triglycerides -
Background and Aim
Cataract is one of the most common ocular diseases caused by various causes including congenital, resulting from trauma, drug or radiation, diabetes, or aging. Diabetes type 2, as a common metabolic disorder, is one of the main reasons for cataracts. we aimed to study nutritional counseling's status on the correction of glucose and urea and creatinine patterns and blood pressure of patients undergoing cataract surgery and reducing the pre-operative hospitalization time.
MethodsIn this study, 60 women with type 2 diabetes and 39 male participantsaged 25 to 65 (aged 25 to 65) were randomly assignedinto two groups (control without diet and nutritional counseling). The target group (presentation of diabetic diet and nutrition counseling) went under investigation two weeks before cataract surgery. Blood sampling proceeded from the arm vein in a sitting way one day before and afterthe diet (12 hours of fasting).
ResultsFasting blood glucose, body weight, waist circumference, urea, creatinine, blood pressure, and hospitalization period were significantly decreased after surgery (p≤0.05).
ConclusionThe results showed that receiving nutrition counseling and diet before cataract surgery can improve fasting blood glucose, 2-hour blood glucose, body weight, urea, creatinine, blood pressure, and thus hospitalization and recovery be reduced after surgery.
Keywords: Type 2 Diabetes, Cataract, Fasting Blood Glucose, Duration of Admission, Nutrition Counselor -
Background
The incidence of metabolic syndrome has been rising in the Iran population. In parallel, vitamin D deficiency has also been increasing in Iran. This study aims to explore the association of vitamin D serum concentrations with metabolic syndrome and its components in the Iranian population.
Materialsand Methods:
A case-control study was managed. We enrolled 110 metabolic syndrome patients, according to the National Cholesterol Education Program Adult Treatment Panel III (ATP III) criteria as a case group and 130 healthy individuals as a control group. The serum level of 25-hydroxy vitamin D (25 (OH)D), lipid profile, and fasting blood glucose(FBS) status were determined using a commercially available ELISA method. Enzymatic methods determined total cholesterol (Chol), high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL), and triglyceride (TG) levels.
ResultsIn case group, the prevalence rate of 25 (OH)Ddeficiency (<10 ng/mL) was 10%, 25 (OH)D insufficiency (10–29 ng/mL) was 71.0%, and 25 (OH)D sufficiency (>30 ng/mL) was 19.0%. A non-significant association between Chol level and age was noted (p=0.46, p=0.124). The levels of FBS and TG were significantly higher, and the levels of 25 (OH)D, LDL, and HDL were significantly lower in the case of the group compared to the control group.
ConclusionWe found that the serum level of 25 (OH)D in patients with metabolic syndrome is lower than in the healthy group, and a low level of 25 (OH)D is related to increased risk of metabolic syndrome and its components
Keywords: Metabolic syndrome, 25 (OH)D, Triglyceride, High-density lipoprotein, Low-density lipoprotein -
Background
Insulin resistance can increase the risk of metabolic syndrome. Studies have shown that expression of PPAR alpha improved insulin function in patients with insulin resistance. Also ApoB100 is an essential ligand for the receptors of low-density lipoproteins (LDL). Increased plasma level of apoB100 is a risk factor for cardiovascular disease (CVD) and its increased production leads to insulin resistance. The aim of this study was to evaluate the effects of Q. Infectoria and Z. multiflora extracts on the expression of PPARα and Apo-B100 genes in adipose and hepatic tissues of insulin-resistant rats
Materials and methodsForty Wistar rats were divided into 1- healthy control, 2- high fat control, 3- fenofibrate,4- Q. Infectoria and 5- Z. multiflora groups. All groups were fed with high fat diet for 6 weeks expect for the healthy control. Glucose tolerance test was performed to confirm insulin resistance in rats. Then groups 3, 4, and 5 were treated by fenofibrate, Q. Infectoria and Z. multiflora extracts respectively. After sacrificing the rats, their liver and fat tissues were removed. Real-time PCR was used to assess PPARα and ApoB100 gene expressions.
ResultsAll groups had significant weight gain after 8 weeks. Expression of PPAR-α and ApoB100 genes were the same in Q. Infectoria, Z. multiflora, fenofibrate and healthy control groups.
ConclusionIn conclusion, Q. Infectoria and Z. multiflora extracts decreased ApoB100 and increased PPARα gene expressions but these changes were not statistically significant.
Keywords: Quercus infectoria, Zataria multiflora, insulin resistance, ApoB100, PPARα -
Background
Formation of amyloid fibrils has been associated with different protein aggregation diseases. Many studies indicate that many proteins can be converted in vitro into amyloid structures. Isolated ҡ-casein (ҡ-CN) spontaneously forms amyloid fibrils under physiological conditions, so it is a convenient model for researching generic aspect of fibril formation. The aim of this study was to test in vitro the ability of S. rosmarinus extract to inhibit the formation of amyloid fibrils in ҡ-CN.
Materials and MethodsIn this study the effect of aqueous extract of S. rosmarinus on the amyloid formation of ҡ-CN in the presence and absence of crowding agent, dextran, have been examined using Thioflavin T binding (ThT) assay, fluorescence spectroscopy, and circular dichroism (CD) spectroscopy.
ResultsThT binding assay showed that dextran increased the rate of amyloid fibril formation and S. rosmarinus extract retarded the amyloid fibril formation in κ-CN. In the presence of dextran however, the effect of S. rosmarinus extract on the amyloid formation of ҡ-CN was less than in its absence. Fluorescence spectroscopy results also demonstrated that dextran led to unfolding and increased the exposure hydrophobic area in ҡ-CN. S. rosmarinus extract efficiency decreased the exposure of hydrophobic regions in κCN, whereas in the presence of dextran this effect of extract was reduced. CD spectroscopy results exhibited that incubation of κ-CN with S. rosmarinus extract prevented a structural transition to a β-sheet. CD spectroscopy results also indicated that by adding dextran to reduced κ-CN β-sheet structures observed, which indicates structural change. S. rosmarinus extract however, prevented transition to β-sheet structural.
ConclusionIn conclusion our finding suggests that S. rosmarinus extract prevents amyloid fibril formation in κ-CN, although this effect decreased in the presence of dextran.
Keywords: S. rosmarinus, ҡ-casein, Aggregation, amyloid -
Background and Aims
One of the most important goals of blood transfusion organizations throughout the world is to provide healthy blood and prevent the transmission of various infectious diseases with blood. Viral hepatitis (HBV and HCV)ccc and HIV are the most important and dangerous threats to the blood transfusion system. Therefore, the aim of this study was to determine the prevalence of hepatitis C, hepatitis B and AIDS in healthy blood donors in Ilam province, west of Iran.
Materials and MethodsIn this retrospective cross-sectional study, the prevalence of HBV, HCV and HIV was evaluated in 145273 blood donors from 2007 to 2017 who referred to the blood transfusion center of Ilam province. Screening for HIV, HBV and HCV was done with ELISA.
ResultsFrom 145,273 donors, 249 cases were HBV positive, 66 were HCV positive and 6 were HIV positive. Among the total number of people infected with these viruses, 202 were married and 119 were single. The prevalence of HBV, HCV and HIV in men was significantly higher than in women (P <0.01). Meanwhile, the rate of disease was higher in individuals over the age of 40 compared to those aged 20 to 40 years old (P <0.01).
ConclusionsThe results of this study revealed that blood-borne infections in blood donors in Ilam province have a lower prevalence regarding the results of other studies carried out in other regions of Iran as well as other countries. The exact screening of the blood of male donors over the age of 40 is essential. Therefore, the accurate selection of blood donors is recommended with a view to ensuring the safety of blood recipients, with the emphasis on the sensitivity and specificity of screening methods.
Keywords: Hepatitis B Virus_Hepatitis C Virus_Human Immunodeficiency Virus_Blood Transfusion_Infectious Diseases with Blood
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