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Coxsackie A virus is a subgroup of enterovirus A, which are small, non-enveloped, positive-sense, single-stranded RNA viruses. Its protective, icosahedral capsid has an external portion that contains sixty copies of viral proteins (VP1,-2,-3) and an internal portion surrounding the RNA genome containing sixty copies of VP4 viral proteins.
Coxsackieviruses are divided into group A and group B viruses based on early observations of their pathogenicity in neonatal mice. [1] Group A coxsackieviruses were noted to cause a flaccid paralysis (which was caused by generalized myositis) while group B coxsackieviruses were noted to cause a spastic paralysis (due to focal muscle injury and degeneration of neuronal tissue).
Echovirus 9 (also known as E-9, E.C.H.O. 9, and formerly Coxsackie A23 or A23 virus) [1] is a serotype of echovirus. When first discovered, it was labelled as a coxsackie A virus, A23. It was later discovered that A23 was an echovirus antigenically identical to the already-known echovirus 9.
Coxsackie B viruses are found worldwide and can cause myocarditis (inflammation of the heart); pericarditis (inflammation of the sac surrounding the heart); meningitis (inflammation of the membranes that line the brain and spinal cord); and pancreatitis (inflammation of the pancreas). The Coxsackie B viruses are also reported to cause a spastic ...
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Usually, herpangina is produced by one particular strain of coxsackie virus A (and the term "herpangina virus" refers to coxsackievirus A), [1] but it can also be caused by coxsackievirus B or echoviruses. [2] Most cases of herpangina occur in the summer, [3] affecting mostly children. However, it occasionally occurs in adolescents and adults.
Coxsackie may refer to: Town of Coxsackie, New York. Coxsackie (village), New York, located within the town of Coxsackie; Coxsackievirus, any of a group of 23 ...
CAR is a receptor for both Coxsackie B virus and adenovirus 2 and 5, which are structurally distinct. [22] In patients with myocarditis or dilated cardiomyopathy, elevated Coxsackie B2 viral nucleic acids have been detected in myocardial biopsy samples. [23]