Background:GB Virus C is a blood-borne virus and a member of Flaviviridae, like hepatitis C that is distributed globally and puts hemodialysis patients at high risk of developing liver disease. The clinical significance of GBV-C in this population remains unclear.Objectives:The current study aimed to evaluate GBV-C infection among hemodialysis patients.Patients and Methods:Totally, 149 patients receiving hemodialysis were included in the study. The detection of GBV-C sequences in plasma was done by the nested Reverse transcription polymerase chain reaction (RT-PCR) using specific primers selected from highly conserved regions of 5' UTR of GBV-C and antibodies to the envelope protein of GBV-C (anti-E2 GBV-C antibody) were analyzed by also serological methods. In addition, Hepatitis B surface antigen (HBsAg), Hepatitis B core antibody (HBcAb) IgM, anti- Hepatitis C virus (HCV) and anti- hepatitis E virus (HEV) Ab was determined in patients who were GBV-C RNA and anti-E2 GBV-C antibody positive.Results:The total prevalence of GBV-C infection was 14.7% (95%CI: 0.09-0.21) among patients receiving hemodialysis. The rate of GBV-C viremia and anti-E2 antibody positivity were 6.04% and 10.73%, respectively. Among the subjects who were positive for GBV-C, 27.27% (95% CI: 0.02-0.09), 45.45% (95% CI: 0.03-0.11), 59.9% (95% CI: 0.06-0.16) and 0% (95% CI: 0.01-0.07) were positive for anti-HCV, anti-HBsAg, anti-HBc IgM and anti-(HEV) Ab, respectively. In addition, the rate of both anti-HBc IgM /anti-HCV/ HBsAg and anti-HBc IgM /anti-HCV positivity in GBV-C infected cases were 9.09%. The liver enzymes were normal in all of them. There was significant difference between GBV-C exposures with viral hepatitis co-infection, but there was no correlation between GBV-C exposure with gender, age, ethnicity, time on dialysis and history of blood transfusions. A relatively high frequency of positivity GBV-C-exposure among hemodialysis patients suggested that the transmission route for GBV-C may be nosocomial transmission, and via transfusions.Conclusions:The current study found a relatively high frequency of positivity GBV-C-exposure among the patients receiving hemodialysis in the area understudy. Nosocomial transmission seems to be the main route of GBV-C infection in the area.
The study aimed to assess possible spirulina effects on lipid profile, glucose, and malondialdehyde levels in new cases of type 2 diabetes. The subjects consisted of 30 new cases of types 2 diabetes that divided into two groups; each consisted of 15 diabetic patients. Group I did not take any functional food or supplement and received no spirulina supplementation. Group II or experimental group also did not take any functional food or supplement but received spirulina supplementation. Analysis of data was done using SPSS 16.0. The Kolmogorov-Smirnov test, paired t-test, Wilcoxon test, and Spearman correlation analysis were used to analyze the data. After eight weeks of spirulina supplementation, significant differences were shown in the serum levels of total cholesterol, low-density lipoprotein (LDL)-cholesterol, triglyceride, and malondialdehyde. The serum fasting blood glucose, lipid profiles, and malondialdehyde levels at baseline were negatively and positively correlated with changes in these parameters. Spirulina supplementation may have a beneficial effect on lipid profile and malondialdehyde (MDA) levels through an interventional 8 weeks. This effect may protect subjects against free radicals and the development of some diseases such as atherosclerosis. The spirulina supplementation also showed a potential lipid-lowering effect on new case type 2 diabetic patients which may help the diabetics to have control on lipid levels. In addition, spirulina may be used as a functional food for the management of lipid profiles and MDA levels.
Aims:The aim of this study focused on serum malondialdehyde (MDA) levels and erythrocyte superoxide dismutase (SOD) and catalase (CAT) activities in hemodialysis patients and compared with control groups.Materials and Methods:Forty-five hemodialyzed patients and 45 control groups recruited in this study. Serum creatinine and urea, thyroid hormones (THs) levels and erythrocyte antioxidant enzyme activities were determined.Results:Hemodialysis (HD) patients showed higher levels of MDA than control groups (P < 0.01), but the levels of thyroxin (T3), free triiodothyronine (fT3), and free thyroxin (fT4), SOD and CAT were low in HD patients (P < 0.01). Serum T3, fT3, and fT4 levels were significantly negative correlated with MDA (P < 0.01).Conclusion:It is concluded that serum lipid peroxidation is markedly increased in HD patients. This means that elevated reactive oxygen species may interact with the lipid molecules in HD patients. HD may cause significant changes in TH levels. Thyroid-stimulating hormone level in HD patients is slightly similar to that of control groups. This suggests that thyroid is able to resynthesize for hormonal urinary losses.
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