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Vaccine against mumps containing a JERYL-LYNN virus strain

A technology for mumps virus strains and vaccines, applied to medical preparations containing active ingredients, antiviral agents, viruses/bacteriophages, etc., which can solve problems such as difficult to estimate ratios and inability to ensure balance

Inactive Publication Date: 2007-12-26
GLAXOSMITHKLINE BIOLOGICALS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the Jeryl-Lynn strain is further passaged, there is no guarantee that this balance between the two variants will be maintained
It is also difficult to estimate the proportion of these two variants in any batch of vaccines

Method used

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  • Vaccine against mumps containing a JERYL-LYNN virus strain
  • Vaccine against mumps containing a JERYL-LYNN virus strain

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] 1) Preliminary sequencing of the SH gene

[0023] at 25cm 2 On the overgrown monolayer Vero cells in the culture flask, use dMEM Biorich medium (50 / 50V / V) plus 0.5% fetal bovine serum to inoculate about 3.0log TCID 50MumpsVax 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 the...

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Abstract

A new mumps vaccine is presented, comprising a homogeneous pure isolate derived from the Jeryl-Lynn strain of mumps virus. In a preferred embodiment of the invention the vaccine produces higher seroconversion and antibody titres than known commercial vaccines.

Description

[0001] related application [0002] This application is a divisional application of the application number 94194807.2 filed on November 15, 1994. technical field [0003] The present invention relates to a mumps vaccine comprising a homogeneous purified isolate derived from the Jeryl-Lynn strain of mumps virus. Background technique [0004] Mumps is basically a disease of children, usually with mild clinical symptoms. However, the clinical consequences of mumps infection are severe in some cases. For example, mumps is the most common cause of meningoencephalitis in children under 15 years of age and a cause of permanent sensorineural deafness in children in the United Kingdom. Although 30-40% of natural mumps infections are asymptomatic, the salivary glands are involved and, in the adult population, mumps causes first trimester abortion in addition to the neurological complications mentioned above and orchitis, these are indisputable facts that have led many countries to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N7/00C12N15/45A61K39/165A61P31/12A61K39/295A61P31/22A61KC12N
Inventor 奈杰尔·M·哈福德布里格特·D·A·科劳让·迪德莱兹
Owner GLAXOSMITHKLINE BIOLOGICALS SA
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