نتایج جستجو برای: cvb3
تعداد نتایج: 350 فیلتر نتایج به سال:
Coxsackievirus B3 (CVB3) is a causative agent of viral myocarditis, meningitis and pancreatitis. CVB3 overcome their host cells by usurping the translation machinery to benefit viral gene expression. This is accomplished through alternative translation initiation in a cap independent manner at the viral internal ribosomal entry site. The 5' untranslated region (5'UTR) of CVB3 genomic RNA is hig...
Wang YX, da Cunha V, Vincelette J, White K, Velichko S, Xu Y, Gross C, Fitch RM, Halks-Miller M, Larsen BR, Yajima T, Knowlton KU, Vergona R, Sullivan ME, Croze E. Antiviral and myocyte protective effects of murine interferonand 2 in coxsackievirus B3-induced myocarditis and epicarditis in Balb/c mice. Am J Physiol Heart Circ Physiol 293: H69–H76, 2007. First published April 13, 2007; doi:10.11...
Coxsackievirus B3 (CVB3) infections induce myocarditis in humans and mice. Little is known about the molecular characteristics of CVB3 that activate the cellular immunity responsible for cardiac inflammation. Previous experiments have identified an antibody escape mutant (H310A1) of a myocarditic variant of CVB3 (H3) that attenuates the myocarditic potential of the virus in mice in spite of ong...
Amiloride derivatives are known blockers of the cellular Na(+)/H(+) exchanger and the epithelial Na(+) channel. More recent studies demonstrate that they also inhibit ion channels formed by a number of viral proteins. We previously reported that 5-(N-ethyl-N-isopropyl)amiloride (EIPA) modestly inhibits intracellular replication and, to a larger extent, release of human rhinovirus 2 (HRV2) (E. V...
Coxsackievirus type B3 (CVB3) is a cardiotropic enterovirus. Infection causes cardiomyocyte necrosis and myocardial inflammation. The damaged tissue that results is replaced with fibrotic or calcified tissue, which can lead to permanently altered cardiac function. The extent of pathogenesis among individuals exposed to CVB3 is dictated by a combination of host genetics, viral virulence, and the...
The cis-acting replication element (CRE) in the 2C protein coding region [CRE(2C)] of enteroviruses (EV) facilitates the addition of two uridine residues (uridylylation) onto the virus-encoded protein VPg in order for it to serve as the RNA replication primer. We demonstrated that coxsackievirus B3 (CVB3) is replication competent in the absence of a native (uridylylating) CRE(2C) and also demon...
Coxsackievirus B3 (CVB3), a member of the picornavirus family and enterovirus genus, causes viral myocarditis, aseptic meningitis, and pancreatitis in humans. We genetically engineered a unique molecular marker, "fluorescent timer" protein, within our infectious CVB3 clone and isolated a high-titer recombinant viral stock (Timer-CVB3) following transfection in HeLa cells. "Fluorescent timer" pr...
Viral myocarditis is a moderate disease, but it sometimes causes progressive cardiac disorder. Many different viruses have been considered as the agent of viral myocarditis, but Coxsackievirus of the B group, in particular of the Coxsackievirus B3 (CVB3), is more than fifty percent of cases of viral myocarditis. CVB3 is a positive single-stranded RNA virus and a member of the genus Enterovirus ...
BACKGROUND Myocarditis is an important cause for cardiac failure, especially in younger patients, followed by the development of cardiac dysfunction and death. The present study investigated whether gene deletion of matrix metalloproteinase-2 influences cardiac inflammation and function in murine coxsackievirus B3 (CVB3)-induced myocarditis. METHODS AND RESULTS Matrix metalloproteinase-2 knoc...
BACKGROUND At present, the treatment of coxsackievirus-induced myocarditis remains difficult. Berberine (BBR), an isoquinoline alkaloid isolated from traditional medicine herbs, exhibits significant anti-viral efficacy against various viruses. However, the underlying mechanism by which BBR controls CVB3 infection has not yet been reported. The purpose of this study was to investigate the anti-v...
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