DE579720T1 - ANTI-ECA ANTIBODIES AND THEIR USE FOR THE SPECIFIC DETECTION AND FOR THE PAYMENT OF INTAKE ENTEROBACTERIES BY MEANS OF AN IMMUNO-CHEMICAL PROCESS. - Google Patents

ANTI-ECA ANTIBODIES AND THEIR USE FOR THE SPECIFIC DETECTION AND FOR THE PAYMENT OF INTAKE ENTEROBACTERIES BY MEANS OF AN IMMUNO-CHEMICAL PROCESS.

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Publication number
DE579720T1
DE579720T1 DE0579720T DE92909670T DE579720T1 DE 579720 T1 DE579720 T1 DE 579720T1 DE 0579720 T DE0579720 T DE 0579720T DE 92909670 T DE92909670 T DE 92909670T DE 579720 T1 DE579720 T1 DE 579720T1
Authority
DE
Germany
Prior art keywords
enterobacteria
antibodies
whole
sample
appropriate
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.)
Pending
Application number
DE0579720T
Other languages
German (de)
Inventor
Jean-Louis Drocourt
Stephane Levasseur
Hoegaerden Michel Van
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.)
CHEMUNEX MAISONS ALFORT
Original Assignee
CHEMUNEX MAISONS ALFORT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHEMUNEX MAISONS ALFORT filed Critical CHEMUNEX MAISONS ALFORT
Publication of DE579720T1 publication Critical patent/DE579720T1/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/12Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
    • C07K16/1203Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria
    • C07K16/1228Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria from Enterobacteriaceae (F), e.g. Citrobacter, Serratia, Proteus, Providencia, Morganella, Yersinia

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Immunology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Claims (9)

92 909 670.9 EPO 1257 IH/nl P ATEN TAN SPRUCHE92 909 670.9 EPO 1257 IH/nl PATENT TAN STATUTE 1. Anti-Enterobakterien-Antikörper, dadurch gekennzeichnet, daß sie 1. Anti-enterobacterial antibodies, characterized in that they - aus monoklonalen Antikörpern, mit der Fähigkeit, alle ganzen Enterobakterien, das heißt, solche, die insbesondere keinen Extraktionsschritt erlitten haben, zu erkennen, durch Bindung mit einer antigenen Determinante des gemeinsamen Antigens der Enterobakterien (ACE), die auf der Oberfläche der ganzen Enterobakterien vorhanden ist und den Antikörpern direkt zugänglich ist, bestehen, und- consist of monoclonal antibodies capable of recognising all whole Enterobacteria, i.e. those which have not undergone an extraction step, by binding to an antigenic determinant of the common antigen of enterobacteria (ACE) present on the surface of the whole enterobacteria and directly accessible to the antibodies, and - aus Hybridomen, die auf geeignete Weise hergestellt wurden, ausgewählt sind durch:- selected from hybridomas suitably produced by: (a) ein erstes Absuchen jedes Überstands des Hybrids mit Hilfe eines ELISA-Verfahrens, bei dem als Antigen mindestens zwei lebende Enterobakterien, die gegebenenfalls geeignet behandelt wurden und mindestens ein Bakterium, das nicht der Familie der Enterobakterien angehört, eingesetzt werden, dann(a) a first screening of each supernatant of the hybrid by an ELISA procedure using as antigen at least two live enterobacteria, which may have been suitably treated, and at least one bacterium not belonging to the family Enterobacteria, then (b) ein zweites Absuchen mittels Immunfluoreszens des/der in (a) ausgewählten Überstands/Überstände.(b) a second immunofluorescence screening of the supernatant(s) selected in (a). 2. Antikörper nach Anspruch 1, dadurch gekennzeichnet, daß das erste Absuchen (a) mit Hilfe von mindestens 5 lebenden Enterobakterien durchgeführt wird.2. Antibody according to claim 1, characterized in that the first screening (a) is carried out using at least 5 living enterobacteria. 3. Antikörper nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß sie von einer Zellinie von Maushybridzellen als Ergebnis der Fusion von bevorzugt nicht-sezernierenden Mausmyelomazellen und von Plasmozyten von Mäusen, die mit einem geeigneterweise von einem Enterobakterium, ausgewählt aus der Gruppe umfassend E. coli 014:K7 (ATCC 19110) und E. coli 0124:B17 (ATCC 12806), hergestellt wurde, immunisiert wurden, erhalten werden.3. Antibodies according to claim 1 or 2, characterized in that they are obtained from a cell line of mouse hybrid cells as a result of the fusion of preferably non-secreting mouse myeloma cells and of plasma cells from mice which have been immunized with a suitably produced by an enterobacterium selected from the group comprising E. coli 014:K7 (ATCC 19110) and E. coli 0124:B17 (ATCC 12806). 4. Antigene Fragmente, dadurch gekennzeichnet, daß sie von den Antikörpern nach einem der Ansprüche 1 bis 3 erkannt werden und daß sie aus einem Fragment des gemeinsamen Antigens der Enterobakterien (ACE), das auf der Oberfläche von ganzen Enterobakterien vorhanden ist, bestehen, wobei das Fragment den Antikörpern direkt zugänglich ist und mindestens eine antige Determinante von ACE darstellt. 4. Antigenic fragments, characterized in that they are recognized by the antibodies according to one of claims 1 to 3 and that they consist of a fragment of the common antigen of enterobacteria (ACE) which is present on the surface of whole enterobacteria, the fragment being directly accessible to the antibodies and representing at least one antigenic determinant of ACE. 5. Immunologisches Reagens zur Verwendung zum Nachweis von ganzen Enterobakterien, dadurch gekennzeichnet, daß es einen Antikörper nach einem der Ansprüche 1 bis 3 oder ein Fragment davon umfaßt, wobei der eine oder der andere gegebenenfalls durch Markierung durch jeden geeigneten Marker, insbesondere ein Enzym, Fluorochrom, modifiziert ist und/oder auf einen festen Träger fixiert ist.5. Immunological reagent for use in the detection of whole enterobacteria, characterized in that it comprises an antibody according to one of claims 1 to 3 or a fragment thereof, one or the other optionally modified by labeling with any suitable marker, in particular an enzyme, fluorochrome, and/or fixed to a solid support. 6. Verfahren zum Nachweis und gegebenenfalls zur Zählung von ganzen Enterobakterien, die gegebenenfalls in einer zu analysierenden Probe vorhanden sind, dadurch gekennzeichnet, daß man die zu analysierende Probe mit mindestens einem immunologischen Reagens nach Anspruch 5 in Kontakt bringt, an das sich die ganzen Enterobakterien binden, wenn diese in der zu kontrollierenden Probe vorhanden sind, dann die gegebenenfalls gebildeten Antikörper-Entero-6. Method for detecting and, if necessary, counting entire enterobacteria which may be present in a sample to be analyzed, characterized in that the sample to be analyzed is brought into contact with at least one immunological reagent according to claim 5, to which the whole enterobacteria bind, if these are present in the sample to be controlled, then the antibody enterobacteria which may be formed bakterienkomplexe durch jedes geeignete Mittel, insbesondere EIA, Durchflußzytometrie nachweist.bacterial complexes by any suitable means, in particular EIA, flow cytometry. 7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß vor dem Inkontaktbringen von Antikörper-Probe letztere auf geeignete Weise solubilisiert wird.7. Method according to claim 6, characterized in that before bringing the antibody sample into contact, the latter is solubilized in a suitable manner. 8. Kit oder Diagnosebesteck zum spezifischen Nachweis und gegebenenfalls zur Zählung von Enterobakterien, dadurch gekennzeichnet, daß es mindestens8. Kit or diagnostic device for the specific detection and, where appropriate, enumeration of enterobacteria, characterized in that it contains at least - ein immunologisches Reagens nach Anspruch 5 und- an immunological reagent according to claim 5 and - gegebenenfalls Mengen oder geeignete Dosen einer Detektionssubstanz - where appropriate, quantities or appropriate doses of a detection substance umfaßt.includes. 9. Verwendung der Antikörper nach einem der Ansprüche 1 bis 3 zum spezifischen Nachweis und gegebenenfalls zur Zählung von Enterobakterien, insbesondere in Lebensmittelprodukten.9. Use of the antibodies according to one of claims 1 to 3 for the specific detection and, if appropriate, for the enumeration of enterobacteria, in particular in food products.
DE0579720T 1991-04-08 1992-04-08 ANTI-ECA ANTIBODIES AND THEIR USE FOR THE SPECIFIC DETECTION AND FOR THE PAYMENT OF INTAKE ENTEROBACTERIES BY MEANS OF AN IMMUNO-CHEMICAL PROCESS. Pending DE579720T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9104243A FR2674866A1 (en) 1991-04-08 1991-04-08 ANTI-ACE ANTIBODIES AND THEIR APPLICATIONS TO SPECIFIC DETECTION AND POSSIBLELY TO THE ENTRIES OF ENTEROBACTERIES ENTIRELY BY AN IMMUNOCHEMICAL METHOD.
PCT/FR1992/000311 WO1992017603A1 (en) 1991-04-08 1992-04-08 Anti-eca antibodies and their applications in specific detection and possibly for the count of whole enterobacteriaceae using an immunochemical method

Publications (1)

Publication Number Publication Date
DE579720T1 true DE579720T1 (en) 1994-05-26

Family

ID=9411579

Family Applications (1)

Application Number Title Priority Date Filing Date
DE0579720T Pending DE579720T1 (en) 1991-04-08 1992-04-08 ANTI-ECA ANTIBODIES AND THEIR USE FOR THE SPECIFIC DETECTION AND FOR THE PAYMENT OF INTAKE ENTEROBACTERIES BY MEANS OF AN IMMUNO-CHEMICAL PROCESS.

Country Status (5)

Country Link
EP (1) EP0579720A1 (en)
AU (1) AU1688992A (en)
DE (1) DE579720T1 (en)
FR (1) FR2674866A1 (en)
WO (1) WO1992017603A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2075802B1 (en) * 1993-12-02 1996-05-01 Inia PROCEDURE FOR THE SENSITIVE AND SPECIFIC DETECTION OF ERWINIA CAROTOVORA SUBSP. ATROSEPTICA THROUGH "ELISA-ENRICHMENT".
ES2075803B1 (en) * 1993-12-17 1996-05-16 Univ Oviedo NEUMOLISIN DETECTION PROCEDURE
PL404229A1 (en) 2013-06-06 2014-12-08 Wrocławskie Centrum Badań Eit + Spółka Z Ograniczoną Odpowiedzialnością Isolated immunogenic bacterial antigen and its use in the prevention and treatment of infections caused by Gram-negative bacteria

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541304A1 (en) * 1983-02-21 1984-08-24 Centre Nat Rech Scient ANTI-LEGIONELLA MONOCLONAL ANTIBODIES, METHOD OF OBTAINING AND PNEUMONIA DIAGNOSTIC APPLICATION
DE3925161A1 (en) * 1989-03-15 1990-09-27 Boehringer Mannheim Gmbh MONOCLONAL ANTIBODIES AGAINST ECA AND THEIR USE

Also Published As

Publication number Publication date
FR2674866B1 (en) 1995-05-24
EP0579720A1 (en) 1994-01-26
AU1688992A (en) 1992-11-02
FR2674866A1 (en) 1992-10-09
WO1992017603A1 (en) 1992-10-15

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