Recombinant feline leukemia virus vaccine containing optimized feline leukemia virus envelope gene

US9682138B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9682138-B2
Application numberUS-201514616042-A
CountryUS
Kind codeB2
Filing dateFeb 6, 2015
Priority dateAug 20, 2007
Publication dateJun 20, 2017
Grant dateJun 20, 2017

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  2. Abstract

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  5. First independent claim

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Abstract

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The present invention provides vectors that contain and express in vivo or in vitro FeLV antigens that elicit an immune response in animal or human against FeLV, compositions comprising said vectors and/or FeLV polypeptides, methods of vaccination against FeLV, and kits for use with such methods and compositions.

First claim

Opening claim text (preview).

We claim: 1. An isolated polypeptide comprising a mutated feline leukemia virus (FeLV) envelope (ENV) polypeptide, wherein the mutated FeLV ENV protein has at least 93% sequence identity to SDQ ID NO:2, 4, or 6, and wherein the mutation is a substitution of arginine (R), aspartic acid (D), or methionine (M) at the amino acid position 527 of SEQ ID NO:2, 4, or 6. 2. A composition comprising the polypeptide of claim 1 , and a pharmaceutically or veterinarily acceptable vehicle, diluent or excipient. 3. The composition of claim 2 , wherein the composition is capable of eliciting an immune response in a host. 4. The isolated polypeptide of claim 1 , wherein the substitution is arginine (R) for glutamic acid (E). 5. The isolated polypeptide of claim 4 , wherein the mutated FeLV ENV polypeptide comprises the amino acid sequence as set forth in SEQ ID NO:2 or 4.

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What does patent US9682138B2 cover?
The present invention provides vectors that contain and express in vivo or in vitro FeLV antigens that elicit an immune response in animal or human against FeLV, compositions comprising said vectors and/or FeLV polypeptides, methods of vaccination against FeLV, and kits for use with such methods and compositions.
Who is the assignee on this patent?
Merial Ltd, Centre Nat Rech Scient, Roussy Inst Gustave, and 2 more
What technology area does this patent fall under?
Primary CPC classification A61K39/21. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Jun 20 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).