Vaccine against mumps containing a JERYL-LYNN virus strain
A technology for mumps virus strains and vaccines, applied in measles-mumps-rubella combined vaccines, antisense single-stranded RNA viruses, positive-sense single-stranded RNA viruses, etc., can solve problems such as inability to guarantee balance and difficulty in estimating proportions
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[0037] 1) Preliminary sequencing of the SH gene
[0038] at 25cm 2 On the overgrown monolayer Vero cells in the culture flask, use dMEM Biorich medium (50 / 50 V / V) plus 0.5% fetal bovine serum, inoculate about 3.0log TCID 50 MumpsVax virus was commercially available for passaging. Incubate at 34°C for 7 days, then harvest infected cells, extract RNA by the method of Ferré and Garduno (Nucleic Acids Research 1989, 17; 2141), place in 100mcl water, and treat with diethylpyrocarbonate at 100°C 5 minutes. Take 5 mcl of such extracts and add the following reagents for reverse transcription: 40 units of RNAsin (Boehringer Mannheim, Germany), 4 mcl of 5X concentrated reverse transcriptase buffer (Bethesda Besearch Labs), 2 mcl of a mixture of four deoxynucleoside triphosphates The concentration was 10 mM, 10 pmole NH2 oligonucleotide primer, 1 mcl Moloney murine leukemia virus (MMLV) reverse transcriptase (Bethesda Research Labs, 200 units per mcl), and water was added to make th...
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