Recombinant herpes simplex viruses, vaccines and methods

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Enzymatic production of a protein or polypeptide

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435 70, 435 91, 435235, 4351723, 4353171, 435320, 935 32, 935 34, 935 57, 935 65, 424 89, 424 858, 536 27, C12P 2100, C12N 1500, C12N 700, A61K 3900

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048595870

ABSTRACT:
Recombinant herpes viruses useful as effective ingredients in vaccines against both virulent HSV-1 and HSV-2 are disclosed. Methods of preparing the recombinant viruses, vaccines incorporating the viruses, and methods of immunizing a human host by inoculation with the vaccines are also disclosed.
The genomes of the recombinant viruses each comprise a mutant of the HSV-1 genome from which a portion thereof responsible for neurovirulence yet nonessential for growth is deleted. A gene from the HSV-2 genome responsible for coding an immunity-inducing glycoprotein is inserted in the mutant genome between the end points of deletion therein.

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