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Background: Hepatitis is a viral infection of hepatitis B virus (HBV). Limitations of drug used in the management of it opens the interest related to alternative medicine. The given study deals with the antiviral activity of L. (DSL) against HBV & .
Material And Methods: study liver cell line HepG2.2.15 was used by transinfected it with HBV. Cytotoxicity stduy was performed by using different concentrations of DSL such as 50, 100, 200, 500 & 1000 μg/ml. Anti HBV activity of DSL was estimated by assesing the concentration of HBsAg and HbeAg in cell culture medium by using ELISA. Whereas study was performed on ducklings and antiviral activity of DSL (100, 200, 400 mg/kg) was confirmed by estimating the serum concentration of HBV DNA and histopathology study of hepatocytes in HBV infected ducklings.
Result: Result of the study suggested that >500 μg/ml concentration of hydroalcoholic extract of DSL was found tobe cytotoxic. It was also observed that DSL significantly (<0.05) reduces the concentration of antigenes in cell culture media as per the concentration and days of treatment dependent. Moreover study confirms the anti viral activity of DSL (200 & 400 mg/kg) as it significantly (<0.05) decreases the serum concenetration of HBV DNA in HBV infected dukling compared to control group. Histopathology study was also reveals the hepatprotective effect of DSL in HBV infected ducklings.
Conclusion: The given study concludes the antiviral activity DSL against HBV by and models.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5416644 | PMC |
http://dx.doi.org/10.21010/ajtcam.v13i5.7 | DOI Listing |
Eur J Immunol
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Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland.
Memory T cells, a sizable compartment of the mature immune system, enable enhanced responses upon re-infection with the same pathogen. We have recently shown that virus-experienced innate acting T (T) cells can modulate infectious or autoimmune diseases through TCR-independent IFN-γ production. However, how these cells arise remains unclear.
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Division of Intramural Research, National Library of Medicine, National Institutes of Health, Bethesda, United States.
Wnt proteins are critical signaling molecules in developmental processes across animals. Despite intense study, their evolutionary roots have remained enigmatic. Using sensitive sequence analysis and structure modeling, we establish that the Wnts are part of a vast assemblage of domains, the Lipocone superfamily, defined here for the first time.
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Translational Medicine, Baptist Health South Florida, Miami, USA.
In this report, we present the case of a 39-year-old immunocompetent female with acute meningitis/encephalitis secondary to human herpesvirus 6 (HHV-6). Her initial symptoms included fever, hallucinations, and tremors, which prompted a broad diagnostic workup for infectious and autoimmune causes of encephalopathy. Her cerebrospinal fluid (CSF) initially tested negative for viral pathogens.
View Article and Find Full Text PDFCureus
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Clinical Microbiology, Prathima Institute of Medical Sciences, Karimnagar, IND.
Since its discovery, the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease 2019 (COVID-19), has become the epicenter of public health concern. This was mainly attributed to the complexity of COVID-19 that resulted in variable disease progression with some developing asymptomatic infections, some suffering mild to moderate infections that resolved without the need for hospitalizations, and a few infected persons developing severe infections that required intensive care unit (ICU) admission and mechanical ventilation. The COVID-19 pandemic spread globally, affecting billions of people and killing millions.
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