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Suzawa T, Ikariyama Y, Aizawa M. Synthesis of Electroactive Protein Hybrid, Fec-BSA-Dig, and Its Application to a Novel Homogeneous Electrochemical Immunoassay. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1995. [DOI: 10.1246/bcsj.68.165] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
An overview on non-radioactive bioanalytical indicator systems is presented. The nature of labels being important for direct as well as indirect systems is discussed. This is followed by the description of enzymatic, photochemical and chemical methods for labeling nucleic acids, proteins and glycans. These methods can be applied either for direct labeling of these biomolecules or for labeling of respective probes (DNA, RNA, oligonucleotides, antibodies, lectins). In the second part, various optical, luminescent and fluorescent detection approaches are described. The possibility to enhance the sensitivity by coupled amplification reactions (signal amplification, target-specific signal amplification, target amplification) is shown in a separate section. Finally, the wide variety of qualitative and quantitative reaction formats related to different applications is collected.
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Affiliation(s)
- C Kessler
- Abt. Molekularbiologie, Boehringer Mannheim GmbH, Penzberg, Germany
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Guesdon JL. Immunoenzymatic techniques applied to the specific detection of nucleic acids. A review. J Immunol Methods 1992; 150:33-49. [PMID: 1613257 DOI: 10.1016/0022-1759(92)90063-y] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Numerous enzymatic and chemical methods are now available for the preparation of non-radioactive nucleic acid probes. Labels, such as enzymes, fluorophores, lumiphores can be attached to the nucleic acid probe either by covalent bonds (direct labelling) or by biospecific recognition after hybridization (indirect labelling). The principle of the latter method is based on the use of a hapten-labelled nucleic acid probe which is generally detected by an immunoenzymatic assay. Indirect labelling has several advantages: this procedure uses multienzyme complexes to increase the number of enzyme molecules associated with hybridization and hence provides an increase in detectability; moreover, haptens (biotin, dinitrophenol, acetylaminofluorene analogues, digoxigenin, brominated or sulphonylated pyrimidines) used to label nucleic acid probes are not sensitive to elevated temperatures (42-80 degrees C), extended incubation times (several hours), detergents and organic solvents currently required in hybridization techniques. The application of the immunoenzymatic and related techniques to nucleic acid probing is reviewed, focussing on the strategies of non-radioactive hybridization, hapten-labelling of nucleic acids and methods for the immunodetection of the hybrids.
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Affiliation(s)
- J L Guesdon
- Laboratorie des Sondes Froides, Institut Pasteur, Paris, France
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Coutlée F, Bobo L, Abbass H, Dalabetta G, Hook NE, Shah K, Viscidi RP. Detection of HPV-16 in cell lines and cervical lavage specimens by a polymerase chain reaction-enzyme immunoassay assay. J Med Virol 1992; 37:22-9. [PMID: 1320095 DOI: 10.1002/jmv.1890370105] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A gene amplification method that combines the polymerase chain reaction with detection of amplified DNA in a solution hybridization/enzyme immunoassay (PCR-EIA) was developed for HPV-16 DNA. Samples were amplified with primers for the E7-E1 region of HPV-16. Amplified DNA products were identified and quantitated by hybridization in solution with a biotinylated RNA probe. Labeled DNA/RNA hybrids were measured semiquantitatively in an enzyme immunoassay using solid phase anti-biotin antibody and liquid phase B-d-galactosidase labeled monoclonal antibody against DNA-RNA hybrids. Enzyme bound to the solid phase was quantitated with a fluorogenic substrate. The assay was linear over 2 log10 dilutions of SiHa cells and the detection limit was three copies of HPV-16 genome. The sensitivity of PCR-EIA for detection of PCR amplified products compared favorably with slot and Southern blots using a 32P-labeled RNA probe. The assay was used to assess HPV-16 infection of uterine cervix in women attending a clinic for sexually transmitted diseases. Twenty-one of the 81 specimens (25.9%), obtained by cervicovaginal lavage, were positive for HPV-16 by PCR-EIA. The assay provides a convenient means to objectively measure HPV DNA amplified with PCR.
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Affiliation(s)
- F Coutlée
- Department of Microbiology and Infectious Diseases, Hôpital Notre-Dame, Montréal, Canada
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Stollar BD. Immunochemical analyses of nucleic acids. PROGRESS IN NUCLEIC ACID RESEARCH AND MOLECULAR BIOLOGY 1992; 42:39-77. [PMID: 1574590 DOI: 10.1016/s0079-6603(08)60573-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- B D Stollar
- Department of Biochemistry, Tufts University School of Medicine, Boston, Massachusetts
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Coutlée F, Saint-Antoine P, Olivier C, Voyer H, Kessous-Elbaz A, Berrada F, Bégin P, Giroux L, Viscidi R. Evaluation of infection with human immunodeficiency virus type 1 by using nonisotopic solution hybridization for detection of polymerase chain reaction-amplified proviral DNA. J Clin Microbiol 1991; 29:2461-7. [PMID: 1774250 PMCID: PMC270355 DOI: 10.1128/jcm.29.11.2461-2467.1991] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A convenient assay combining solution hybridization and enzyme immunoassay for DNA-RNA hybrids (polymerase chain reaction-enzyme immunoassay [PCR-EIA]) was developed to detect human immunodeficiency virus type 1 (HIV-1) provirus amplified by the PCR and was compared with oligomer hybridization with 32P-labeled SK19. In PCR-EIA, a fragment of the HIV-1 gag gene from peripheral blood mononuclear cells was first amplified with primer pair SK38/SK39 or O1/O2. PCR-amplified material was reacted in solution with a biotinylated RNA probe. Biotinylated hybrids were measured in a microtiter-plate EIA with antibiotin antibody and a beta-D-galactosidase-conjugated monoclonal antibody to DNA-RNA hybrids. Ten copies of HIV-1 DNA could be detected by PCR-EIA by using two different sets of primers. HIV-1 DNA was detected in 104 of 108 peripheral blood mononuclear cell samples by using SK38/39 and oligomer hybridization, in 104 of 108 samples by using SK38/SK39 and PCR-EIA, and in 104 of 108 samples by using O1/O2 and PCR-EIA. HIV-1 provirus was detected in 107 of 108 samples by using a combination of two sets of primers. One sample from a seropositive patient was negative in all three PCR assays, and six samples gave discordant results between primer pairs. Six of the latter samples scored negative in a PCR for beta-globin but became positive when the sample was diluted before amplification. When applied to clinical samples, PCR-EIA generated results similar to those of an isotopic assay for detection of amplified DNA.
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Affiliation(s)
- F Coutlée
- Department of Microbiology and Infectious Diseases, Hopital Notre-Dame, Montreal, Quebec, Canada
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Kessler C. The digoxigenin:anti-digoxigenin (DIG) technology--a survey on the concept and realization of a novel bioanalytical indicator system. Mol Cell Probes 1991; 5:161-205. [PMID: 1870582 DOI: 10.1016/0890-8508(91)90041-h] [Citation(s) in RCA: 85] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A review is given on the novel non-radioactive digoxigenin:anti-digoxigenin (DIG) bioanalytical indicator system. After a general introduction on direct and indirect indicator systems based on previous non-radioactive indicator reactions as well as in vitro and in vivo amplification procedures the principle of the new digoxigenin:anti-digoxigenin technology is demonstrated. The novel system is based on the specific high-affinity interaction between the cardenolide digoxigenin from Digitalis plants and a digoxigenin-specific antibody coupled with a reporter group. A variety of methods for digoxigenin modification of nucleic acids, proteins and glycans are presented. In addition, various applications of the novel non-radioactive indicator system in a variety of direct or indirect detection approaches with either insoluble or soluble substrates are described. It is also shown that with these applications alternative reaction formats are used which are partly characterized by additional amplification steps.
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Affiliation(s)
- C Kessler
- Boehringer Mannheim GmbH, Biochemical Research Center, Department of Genetics, Penzberg, F.R.G
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Coutlée F, Shah KV, Rader JS, Currie JL, Viscidi RP. Detection of transcripts of human papillomaviruses 16 and 18 in cancer-derived cell lines and cervical biopsies by enzyme immunoassay for DNA-RNA hybrids following solution hybridization. J Clin Microbiol 1991; 29:968-74. [PMID: 1647410 PMCID: PMC269917 DOI: 10.1128/jcm.29.5.968-974.1991] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
mRNAs of human papillomaviruses (HPV) 16 and 18 were detected in cancer-derived cell lines and genital tract biopsy specimens by a novel hybridization assay. Biotinylated whole genomic HPV DNA probes were hybridized in solution to extracted total nucleic acids. Hybrids between the labeled probes and RNA transcripts were captured on a microplate coated with an antibiotin antibody. Bound hybrids were incubated with a beta-galactosidase-labeled monoclonal antibody to DNA-RNA hybrids and measured by the addition of a fluorogenic substrate. HPV 18 and HPV 16 mRNAs were detected in nucleic acids from 2.3 x 10(3) HeLa cells and 10(4) SiHa cells, respectively. The specificity of the assay for mRNA was demonstrated by the low reactivity of nucleic acids from SiHa cells after treatment with T1 RNase and by the selective reactivity of cellular nucleic acids which bound to an oligo(dT) column. With HPV 16 subgenomic probes, E6-E7 transcripts but not L1-L2 transcripts were detected in SiHa cells. Tests of 58 biopsy specimens from 31 patients showed that the detection of HPV 16 and HPV 18 transcripts in tissue specimens was feasible. Analysis of biopsy specimens with subgenomic probes revealed HPV 16 E6-E7 transcripts in all specimens that reacted with the whole genomic probe, while L1-L2 transcripts were found infrequently.
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Affiliation(s)
- F Coutlée
- Department of Pediatrics, School of Medicine, Johns Hopkins University, Baltimore, Maryland 21205
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Abstract
Nucleic acid hybridization with a labeled probe is the only practical way to detect a complementary target sequence in a complex nucleic acid mixture. The first section of this article covers quantitative aspects of nucleic acid hybridization thermodynamics and kinetics. The probes considered are oligonucleotides or polynucleotides, DNA or RNA, single- or double-stranded, and natural or modified, either in the nucleotide bases or in the backbone. The hybridization products are duplexes or triplexes formed with targets in solution or on solid supports. Additional topics include hybridization acceleration and reactions involving branch migration. The second section deals with synthesis or biosynthesis and detection of labeled probes, with a discussion of their sensitivity and specificity limits. Direct labeling is illustrated with radioactive probes. The discussion of indirect labels begins with biotinylated probes as prototypes. Reporter groups considered include radioactive, fluorescent, and chemiluminescent nucleotides, as well as enzymes with colorimetric, fluorescent, and luminescent substrates.
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Affiliation(s)
- J G Wetmur
- Department of Microbiology, Mount Sinai School of Medicine, New York, New York
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Coutlée F, Yang BZ, Bobo L, Mayur K, Yolken R, Viscidi R. Enzyme immunoassay for detection of hybrids between PCR-amplified HIV-1 DNA and a RNA probe: PCR-EIA. AIDS Res Hum Retroviruses 1990; 6:775-84. [PMID: 2194552 DOI: 10.1089/aid.1990.6.775] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
An enzyme immunoassay was developed to detect human immunodeficiency virus type 1 (HIV-1) DNA amplified by polymerase chain reaction (PCR-EIA). A set of primers (outer set) was used in PCR to amplify a segment of the HIV-1 gag gene from peripheral blood mononuclear cells. Hybrids between the amplified DNA and a RNA probe were measured in a microtiter plate immunoassay using a beta-D-galactosidase-conjugated monoclonal antibody to DNA-RNA hybrids and a fluorescent substrate. A second set of primers (nested set) located within the outer set was used in PCR with a known template to prepare the probe. One primer of the nested set included the T7 RNA polymerase promoter at its 5' end allowing transcription of a single-stranded RNA probe. Ten copies of HIV-1 DNA could be detected by PCR-EIA (42 fluorescent units with a background of 18 fluorescent units) compared with a detection limit of 1000 copies by ethidium bromide-stained agarose gel. HIV-1 DNA was detected by PCR-EIA in peripheral blood mononuclear cells from 32 of 33 seropositive patients (range 54-810 fluorescent units), and 0 of 25 seronegative patients (range 20-40 fluorescent units) (sensitivity 97%; specificity 100%). PCR-EIA offers a practical and nonisotopic method to objectively measure PCR-amplified HIV-1 DNA and has the potential for the measurement of other microbial pathogens in human body fluids.
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Affiliation(s)
- F Coutlée
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
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Newman CL, Modlin J, Yolken RH, Viscidi RP. Solution hybridization and enzyme immunoassay for biotinylated DNA-RNA hybrids to detect enteroviral RNA in cell culture. Mol Cell Probes 1989; 3:375-82. [PMID: 2559321 DOI: 10.1016/0890-8508(89)90016-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A non-isotopic hybridization assay is described for detection of enteroviral RNA in cell culture. Two biotin-labelled cDNA probes, corresponding to 1 kb from the 5' end and 3.5 kb from the 3' end of the coxsackievirus B3 genome, were hybridized in solution with protease and detergent-treated cell culture suspensions. Labelled DNA-RNA hybrids were captured on microtiter plates coated with anti-biotin antibody and bound hybrids were measured with a beta-galactosidase-labelled monoclonal antibody specific for DNA-RNA hybrids. Coxsackie B3 was detected at a concentration of 500 pfu ml-1. The limit of detection for other enteroviruses ranged from 10(3.3) to 10(5.8) pfu ml-1. The enteroviruses that could be detected included coxsackie B1 and 3, coxsackie A1-6 and 15, poliovirus types 1-3, and enteroviruses 7, 11, and 71. ECHO 22 was the only enterovirus, of those that were tested, that could not be detected. The solution hybridization reaction and enzyme immunoassay for DNA-RNA hybrids does not require the use of radiolabelled probes or extraction of RNA with phenol. The assay yields a quantitative endpoint, which avoids the subjectivity inherent in membrane-based methods. These features would make the assay more adaptable to clinical laboratories than other formats which have been devised for measurement of viral RNA.
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Affiliation(s)
- C L Newman
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
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