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DEVICE FOR EVALUATING NEUROVIRULENCE OF MUMPS VIRUS
DEVICE FOR EVALUATING NEUROVIRULENCE OF MUMPS VIRUS
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机译:用于评估腮腺炎病毒神经血管的装置
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摘要
A device for evaluating the neurovirulence of a mumps virus, comprising: (I) a virus inoculation module, which is used for performing virus inoculation of a mumps virus to be evaluated on the lateral ventricle of a rat; (II) a processing module, which is used for performing vibration slicing on the fixed rat brain; (III) an imaging module, which is used for scanning and imaging the obtained mouse brain slices; and (IV) an analysis module, which is used in the obtained imaging for calculating a neurovirulence index by using a formula I: the neurovirulence index = S1/S0×100 (formula I) according to the cross-sectional area S1 of a cavity formed by hydrocephalus in the longitudinal section of the rat brain and the total cross-sectional area S0 of the rat brain. Multiple results show that the results are stable, repeatability is high, and a wild strain may be distinguished from a vaccine strain. In addition, relative to a current monkey body neurovirulence model, animal costs and difficulty of operation are greatly reduced.
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