CA2218491A1 - Novel methods for the assay of troponin i and t and complexes of troponin i and t and selection of antibodies for use in immunoassays - Google Patents

Novel methods for the assay of troponin i and t and complexes of troponin i and t and selection of antibodies for use in immunoassays

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Publication number
CA2218491A1
CA2218491A1 CA2218491A CA2218491A CA2218491A1 CA 2218491 A1 CA2218491 A1 CA 2218491A1 CA 2218491 A CA2218491 A CA 2218491A CA 2218491 A CA2218491 A CA 2218491A CA 2218491 A1 CA2218491 A1 CA 2218491A1
Authority
CA
Canada
Prior art keywords
troponin
disclosed
antibodies
complexes
immunoassays
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2218491A
Other languages
French (fr)
Other versions
CA2218491C (en
Inventor
Kenneth F. Buechler
Paul H. Mcpherson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alere San Diego Inc
Original Assignee
Individual
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23679404&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2218491(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority claimed from US08/633,248 external-priority patent/US6174686B1/en
Publication of CA2218491A1 publication Critical patent/CA2218491A1/en
Application granted granted Critical
Publication of CA2218491C publication Critical patent/CA2218491C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
    • G01N33/6887—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids from muscle, cartilage or connective tissue
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2474/00—Immunochemical assays or immunoassays characterised by detection mode or means of detection
    • G01N2474/20—Immunohistochemistry assay
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2800/00—Detection or diagnosis of diseases
    • G01N2800/32—Cardiovascular disorders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/961—Chemistry: molecular biology and microbiology including a step of forming, releasing, or exposing the antigen or forming the hapten-immunogenic carrier complex or the antigen per se
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/962—Prevention or removal of interfering materials or reactants or other treatment to enhance results, e.g. determining or preventing nonspecific binding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/971—Capture of complex after antigen-antibody reaction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/973—Simultaneous determination of more than one analyte
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/811—Test for named disease, body condition or organ function
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/819—Multifunctional antigen or antibody

Abstract

Assay systems and specialized antibodies for the detection and quantitation of troponin I and troponin T in body fluids as an indicator of myocardial infarction. Since troponin I and T exist in various conformations in the blood, the ratios of the monomeric troponin I and T and the binary and ternary complexes, as well as which form of troponin present in the blood, may be related to the metabolic state of the heart. Disclosed is a system to determine the presence of a troponin form or a group of troponin forms in a sample of whole blood, serum or plasma. Disclosed is a stabilized composition of troponin; the stabilized composition can comprise a stabilized composition of troponin I, wherein the troponin I is oxidized, the troponin I can be unbound or the troponin I can be in a complex. Disclosed is a method for improving the recovery of troponin I or T from a surface used in immunoassays.
Also disclosed are antibodies which recognize, unbound troponin forms, the forms of troponin in binary complexes, the ternary complex of troponin I, T
and C, and the conformations of troponin I having intramolecularly oxidized and reduced cysteines.
CA002218491A 1995-04-18 1996-04-18 Novel methods for the assay of troponin i and t and complexes of troponin i and t and selection of antibodies for use in immunoassays Expired - Lifetime CA2218491C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/423,582 US5795725A (en) 1995-04-18 1995-04-18 Methods for the assay of troponin I and T and selection of antibodies for use in immunoassays
US08/423,582 1995-04-18
PCT/US1996/005476 WO1996033415A1 (en) 1995-04-18 1996-04-18 Novel methods for the assay of troponin i and t and complexes of troponin i and t and selection of antibodies for use in immunoassays
US08/633,248 1996-04-18
US08/633,248 US6174686B1 (en) 1995-04-18 1996-04-18 Methods for the assay of troponin I and T and complexes of troponin I and T and selection of antibodies for use in immunoassays

Publications (2)

Publication Number Publication Date
CA2218491A1 true CA2218491A1 (en) 1996-10-24
CA2218491C CA2218491C (en) 2000-02-01

Family

ID=23679404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002218491A Expired - Lifetime CA2218491C (en) 1995-04-18 1996-04-18 Novel methods for the assay of troponin i and t and complexes of troponin i and t and selection of antibodies for use in immunoassays

Country Status (6)

Country Link
US (1) US5795725A (en)
EP (2) EP0821794B2 (en)
JP (1) JP3065667B2 (en)
AU (1) AU5665696A (en)
CA (1) CA2218491C (en)
WO (1) WO1996033415A1 (en)

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JPH11505605A (en) 1999-05-21
AU5665696A (en) 1996-11-07
EP0935140A3 (en) 2005-04-20
EP0821794A1 (en) 1998-02-04
EP0935140B1 (en) 2013-10-02
US5795725A (en) 1998-08-18
WO1996033415A1 (en) 1996-10-24
CA2218491C (en) 2000-02-01
EP0935140A2 (en) 1999-08-11
EP0821794B1 (en) 2004-11-03
EP0821794B2 (en) 2010-08-11
JP3065667B2 (en) 2000-07-17

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