It is widely known that high fat diet (HFD) can contribute to the advent of health problems. Recent studies have indicated that obesity imposes a hemodynamic overload to the kidneys. In order to further investigate such injuries, two groups of six Swiss mice each were fed with a controlled AIN93G diet or a high fat (AIN93G modified) diet for eight weeks. Blood samples were collected to determine the hormonal, lipid profile, glucose, urea, and creatinine levels. Histopathological and immunohistochemical analysis were carried out to analysis the kidney damage. Fractions of renal membranes were prepared to assess the Na,K-ATPase activity, lipid peroxidation, total cholesterol, and phospholipid content. The results indicated that the blood lipid profile, urea and creatinine was not altered by the HFD. On the other hand, it was observed in HFD diet mice elevated glucose blood levels along with an augment on insulin and a decrease on corticosterone release. HFD provoked a reduction in the diameter of the convoluted tubules and cell volume in Bowman's capsule and an increased number of positive cells with Na,K-ATPase, but reduced the Na,K-ATPase activity and the cholesterol content in the kidney cell membrane but favored the lipid peroxidation.
Drug users have been reported to have an increased risk for acquisition of viral
hepatitis. This study aims to evaluate the prevalence of HBV and HCV infection and
usefulness of saliva for HBsAg and anti-HCV detection in alcoholic patients.A total
of 90 alcoholic patients were recruited in 2013. HBsAg and anti-HCV were tested in
serum and saliva, anti-HBc and anti-HBs were tested in serum using commercial enzyme
immunoassays (EIA).Using serum samples, anti-HCV, HBsAg, anti-HBc and anti-HBs
prevalences were 5.6%, 0%, 15.7%, and 29.2%. HBsAg detection in saliva showed 100% of
specificity and anti-HCV detection demonstrated 100% of sensitivity and 94.7% of
specificity. Low prevalence of HBV and high prevalence of anti-HCV were found and
reinforced the recommendation of HBV vaccination to avoid the acute and chronic cases
and HCV screening in this group to identify cases for antiviral therapy. Saliva
samples could be used for anti-HCV detection in this population, what could increase
the diagnosis access.
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