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Vaccination: Hepatitis Vaccine

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Total 4934 results found since Jan 2013.

siRNA nanotherapeutics: a promising strategy for anti-HBV therapy
Chronic hepatitis B (CHB) is the most common cause of hepatocellular carcinoma (HCC) and liver cirrhosis worldwide. In spite of the numerous advances in the treatment of CHB, drugs and vaccines have failed because of many factors like complexity, resistance, toxicity, and heavy cost. New RNA interference (RNAi)-based technologies have developed innovative strategies to target Achilles' heel of the several hazardous diseases involving cancer, some genetic disease, autoimmune illnesses, and viral disorders particularly hepatitis B virus (HBV) infections. Naked siRNA delivery has serious challenges including failure to cross ...
Source: IET Nanobiotechnology - June 21, 2019 Category: Nanotechnology Source Type: research

5'-triphosphate siRNA targeting HBx elicits a potent anti-HBV immune response in pAAV-HBV transfected mice.
Abstract RNA with 5'-triphosphate (3p-RNA) is recognized by RNA sensor RIG-I (retinoic acid-inducible gene I protein). Previously, we reported that small interfering RNA targeting HBx (3p-siHBx) could confer potent anti-hepatitis B virus (HBV) efficacy via HBx silencing and RIG-I activation. However, the characteristics of innate and adaptive immunity especially exhaustion profiles in the liver microenvironment in response to 3p-siHBx therapy have not been fully elucidated. Here, we observed that 3p-siHBx more significantly inhibited HBV replication in vivo. 3p-siHBx enhanced natural killer (NK) cell activation wi...
Source: Antiviral Research - November 15, 2018 Category: Virology Authors: Han Q, Hou Z, Yin C, Zhang C, Zhang J Tags: Antiviral Res Source Type: research

Routine childhood vaccination programme coverage, El Salvador, 2011-In search of timeliness.
Abstract While assessing immunization programmes, not only vaccination coverage is important, but also timely receipt of vaccines. We estimated both vaccination coverage and timeliness, as well as reasons for non-vaccination, and identified predictors of delayed or missed vaccination, for vaccines of the first two years of age, in El Salvador. We conducted a cluster survey among children aged 23-59 months. Caregivers were interviewed about the child immunization status and their attitudes towards immunization. Vaccination dates were obtained from children immunization cards at home or at health facilities. We refe...
Source: Vaccine - December 3, 2013 Category: Allergy & Immunology Authors: Suárez-Castaneda E, Pezzoli L, Elas M, Baltrons R, Crespin-Elías EO, Pleitez OA, de Campos MI, Danovaro-Holliday MC Tags: Vaccine Source Type: research

Current status of immunomodulatory therapy in chronic hepatitis B, fifty years after discovery of the virus: search for the "magic bullet" to kill cccDNA.
This article forms part of a symposium in Antiviral Research on "An unfinished story: from the discovery of the Australia antigen to the development of new curative therapies for hepatitis". PMID: 26476376 [PubMed - as supplied by publisher]
Source: Antiviral Research - October 14, 2015 Category: Virology Authors: Zhang E, Kosinska A, Lu M, Yan H, Roggendorf M Tags: Antiviral Res Source Type: research

IJERPH, Vol. 15, Pages 1432: In Search of Factors Negatively Affecting Vaccine Immunity to Pertussis in Preschool Children Before the Administration of the First Booster
Conclusions: Immunomodulation considered on the example of titre of IgG antibody to pertussis can serve as a useful model of the assessment of development of acquired immunity after mandatory vaccinations.
Source: International Journal of Environmental Research and Public Health - July 6, 2018 Category: Environmental Health Authors: Anna Bednarek Anna Bodajko-Grochowska Barbara Hasiec Robert Klepacz Katarzyna Szczekala Danuta Zarzycka Andrzej Emeryk Tags: Article Source Type: research

Search of Hepatitis-B infection in relatives of chronic carriers in the province of Huanta, Ayacucho, Peru.
In conclusion, we found a high frequency of HBV in relatives of carriers of HBsAg. This strategy would help identify chronic carriers that can be treated and to contribute to a plan for the elimination of HBV. PMID: 30726419 [PubMed - in process]
Source: Revista Peruana de Medicina de Experimental y Salud Publica - February 7, 2019 Category: International Medicine & Public Health Tags: Rev Peru Med Exp Salud Publica Source Type: research

Silencing of the foot-and-mouth disease virus internal ribosomal entry site by targeting relatively conserved region among serotypes
AbstractFoot-and-mouth disease (FMD) is a host-restricted disease of cloven-hoofed animals, such as cattle and pigs. There are seven major serotypes of FMD virus that exhibit high antigenic variation, making vaccine strain selection difficult. However, there is an internal ribosomal entry site (IRES) element within the 5 ′ untranslated region of the FMD virus (FMDV) RNA genome that is relatively conserved among FMDV serotypes and could be used as a pan-serotype target for disease interventions. To determine the potential for targeting the IRES as promising drug target, we designed a short interfering RNA (siRNA) t argeti...
Source: Virus Genes - July 30, 2019 Category: Genetics & Stem Cells Source Type: research

Abstracts of Presentations at the Association of Clinical Scientists 143 < sup > rd < /sup > Meeting Louisville, KY May 11-14,2022
Conclusion: These assays are suitable for routine diagnostic. The UltraFast NextGenPCR is the fastest with average time (30mins), followed by Agilent (2 hrs) and MassArray (6hrs). Upon completion of this activity, participants should be able to examine, measure and compare results from different assays for SARS detection, evaluate and diagnose accurately, as well as being able to plan, organize and recommend a diagnostic procedure for diagnostic laboratory. Key words: SARS-CoV-2, RNA extraction, RT-PCR, limit of detection, quantification cycle, COVID-19, in vitro diagnostic tests, Agilent, Massarray, Ultrafast. [20] From t...
Source: Annals of Clinical and Laboratory Science - July 1, 2022 Category: Laboratory Medicine Source Type: research