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US5538866A Expired / Lapsed US ⏱️ 0.0 years remaining

Prostate-specific membrane antigen

Assignee: Memorial Sloan Kettering Cancer Center
•
Filing: 1994-10-18
•
Granted: 1996-07-23
•
Expires: 2014-10-18
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Abstract

Abstract This invention provides an isolated mammalian nucleic acid molecule encoding a mammalian prostate-specific membrane antigen. This invention also provides prostate-specific membrane nucleic acid of at least 15 nucleotides capable of specifically hybridizing with a sequence of a nucleic acid molecule encoding a mammalian prostate-specific membrane antigen. This invention further provides vector and vector host expression system for the prostate-specific membrane antigen. This invention also provides methods to identify ligands which bind to the prostate-specific membrane antigen, to generate antibody against a complete prostate-specific membrane antigen or a portion of the antigen. This invention further provides purified prostate-specific membrane antigen. This invention provides a therapeutic agent comprising an antibody directed against to prostate-specific membrane antigen and a cytotoxic agent conjugated thereto. This invention also provides a method of imaging prostate cancer and an immunoassay for measuring the amount of the prostate-specific membrane antigen in a biological sample. This invention further provides transgenic nonhuman mammal which comprises the isolated nucleic acid molecule encoding a mammalian prostate-specific membrane antigen.

Inventors

  • 👤 Ron S Israeli
  • 👤 Warren D. W. Heston
  • 👤 William R. Fair

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:10
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/68; G01N33/689; A; A61; A61P; A61P13/00; A61P13/08; A61P35/00; C; C07; C07K; C07K16/00; C07K16/18; C07K16/28; C07K16/30; C07K16/3038; A01; A01K; A01K2217/00; A01K2217/05; G01N2800/00; G01N2800/34; G01N2800/342

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 22 words
An isolated nucleic acid molecule encoding a prostate specific membrane antigen having the amino acid sequence shown in SEQ ID NO.: 2.
Claim 2
Dependent Claim 22 words
An isolated nucleic acid molecule encoding a prostate specific membrane antigen having the amino acid sequence shown in SEQ ID NO.: 2.
Claim 3
Dependent Claim 7 words
An isolated DNA molecule of claim 1.
Claim 4
Dependent Claim 15 words
An isolated DNA molecule of claim 2 operatively linked to a promoter of RNA transcription.
Claim 5
Dependent Claim 7 words
An isolated cDNA molecule of claim 1.
Claim 6
Dependent Claim 15 words
An isolated cDNA molecule of claim 4 operatively linked to a promoter of RNA transcription.
Claim 7
Dependent Claim 7 words
An isolated RNA molecule of claim 1.
Claim 8
Dependent Claim 12 words
A vector which comprises the isolated nucleic acid molecule of claim 1.
Claim 9
Dependent Claim 5 words
A plasmid of claim 7.
Claim 10
Dependent Claim 16 words
The plasmid of claim 8 designated P55A-PSM deposited with the ATCC under ATCC Accession No. 75294.
Claim 11
Dependent Claim 30 words
A host vector system for the production of a polypeptide, wherein the polypeptide is prostate specific membrane antigen, which comprises the vector of claim 7 and a suitable host cell.
Claim 12
Dependent Claim 21 words
A host vector system of claim 10, wherein the suitable host cell is a bacterial cell, insect cell, or mammalian cell.
Claim 13
Dependent Claim 37 words
A method of producing a polypeptide, wherein the polypeptide is prostate specific membrane antigen, which comprises growing the host cells of claim 11 under suitable conditions permitting production of the polypeptide and recovering the polypeptide so produced.
Claim 14
Dependent Claim 9 words
A mammalian cell comprising the vector of claim 7.

References Cited (Backward Citations)

US4554101A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-07-23 2000-01-22 2000-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-07-23 2004-01-22 2004-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-07-23 2008-01-22 2008-07-23 $7700.00 Window Closed / Lapsed

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