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  • Title: In vivo administration of recombinant alphavirus into rodents.
    Author: Lundstrom K.
    Journal: Cold Spring Harb Protoc; 2012 Aug 01; 2012(8):. PubMed ID: 22854568.
    Abstract:
    The alphaviruses Semliki Forest virus (SFV) and Sindbis virus (SIN) have been used frequently as expression vectors in vitro and in vivo. Usually, these systems consist of replication-deficient vectors that require a helper vector for packaging of recombinant particles. Replication-proficient vectors have also been engineered. Alphaviral vectors can be used as nucleic-acid-based vectors (DNA and RNA) or infectious particles. High-titer viral production is achieved in <2 d. The broad host range of alphaviruses facilitates studies in mammalian and nonmammalian cell lines, primary cells in culture, and in vivo. The strong preference for expression in neuronal cells has made alphaviruses particularly useful in neurobiological studies. Unfortunately, their strong cytotoxic effect on host cells, relatively short-term transient expression patterns, and the reasonably high cost of viral production remain drawbacks. However, novel mutant alphaviruses have shown reduced cytotoxicity and prolonged expression. This protocol describes stereotactic microinjection of recombinant alphavirus into rodents. Administration can be performed without any purification or concentration of viral stocks. However, filter-sterilization is recommended to ensure that cell debris or other contaminants are not present.
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