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Nucleic acid molecule encoding a transport protein

Assignee: Marie Curie Cancer Care
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Filing: 2001-01-31
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Granted: 2003-02-18
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Expires: 2021-01-31
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Abstract

Abstract The present invention relates to transport proteins, in particular VP22 and homologues thereof, and to methods of delivering these proteins and any associated molecules to a target population of cells. This transport protein has applications in gene therapy and methods of targeting agents to cells where targeting oat high efficiency is required.

Inventors

  • 👤 Peter Francis Joseph O'Hare
  • 👤 Gillian Daphne Elliott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 22:35
CPC Classifications
C; C12; C12N; C12N15/00; C12N15/09; C12N15/87; C07; C07K; C07K14/00; C07K14/005; A; A61; A61K; A61K48/00; C07K2319/00; C07K2319/01; C07K2319/10; C12N2710/00; C12N2710/00011; C12N2710/16011; C12N2710/16611; C12N2710/16622

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 68 words
A recombinant nucleic acid molecule encoding a fusion protein of formula A-B, wherein A comprises a transport-active material selected from the group consisting of a herpesviral VP22 protein, a polypeptide comprising the C-terminal 34 amino acid residues of a herpesviral VP22 protein, and a transport active portion of a herpesviral VP22 protein, and B comprises a heterologous polypeptide sequence that is desired to be delivered into a cell.
Claim 2
Dependent Claim 68 words
A recombinant nucleic acid molecule encoding a fusion protein of formula A-B, wherein A comprises a transport-active material selected from the group consisting of a herpesviral VP22 protein, a polypeptide comprising the C-terminal 34 amino acid residues of a herpesviral VP22 protein, and a transport active portion of a herpesviral VP22 protein, and B comprises a heterologous polypeptide sequence that is desired to be delivered into a cell.
Claim 3
Dependent Claim 18 words
The recombinant nucleic acid molecule of claim 1 , wherein B comprises a green fluorescent protein polypeptide sequence.
Claim 4
Dependent Claim 15 words
A nucleic acid vector including a recombinant nucleic acid molecule according to claim 1 .
Claim 5
Dependent Claim 30 words
A nucleic acid vector according to claim 3 wherein the nucleic acid vector is a viral vector selected from the group consisting of herpesvirus vectors, adenovirus vectors and retrovirus vectors.
Claim 6
Dependent Claim 15 words
A nucleic acid vector according to claim 4 where the virus is a disabled virus.
Claim 7
Dependent Claim 14 words
An isolated host cell comprising a nucleic acid molecule according to claim 1 .
Claim 8
Dependent Claim 15 words
The host cell of claim 6 , where the host cell is a mammalian cell.
Claim 9
Independent Claim 81 words
A method of introducing a desired peptide into a population of cells, the method comprising introducing into one or more cells of the population a nucleic acid molecule which encodes a fusion protein comprising (i) an amino acid sequence of a transport-active material selected from the group consisting of a herpesviral VP22 protein and a transport-active portion of a herpesviral VP22 protein, and (ii) an amino acid sequence of a desired peptide associated with the transport-active material as a fusion partner.
Claim 10
Independent Claim 81 words
A method of introducing a desired peptide into a population of cells, the method comprising introducing into one or more cells of the population a nucleic acid molecule which encodes a fusion protein comprising (i) an amino acid sequence of a transport-active material selected from the group consisting of a herpesviral VP22 protein and a transport-active portion of a herpesviral VP22 protein, and (ii) an amino acid sequence of a desired peptide associated with the transport-active material as a fusion partner.
Claim 11
Dependent Claim 32 words
The method of claim 8 , wherein the transport-active material comprises an amino acid sequence as shown in SEQ ID NO:1 or an amino acid sequence as shown in SEQ ID NO:2.
Claim 12
Dependent Claim 13 words
The method of claim 8 , wherein said introducing is achieved by transfection.
Claim 13
Dependent Claim 13 words
The method of claim 8 , wherein said introducing is achieved by microinjection.
Claim 14
Dependent Claim 15 words
The method of claim 8 , wherein said introducing is achieved by liposome mediated transformation.
Claim 15
Dependent Claim 24 words
The method of claim 8 , wherein the nucleic acid molecule encoding a fusion protein is part of a genome of a recombinant virus.

References Cited (Backward Citations)

EP0475623A1 Cited
WO1997004092A1 Cited
US6017735A Cited
US6251398B1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-02-17 2006-08-19 2007-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-02-17 2010-08-19 2011-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-02-17 2014-08-19 2015-02-18 $7700.00 Window Closed / Lapsed

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