Comparison of Dot-ELISA with Sandwich-ELISA for the detection of circulating antigens in patients with bancroftian filariasis.
Identifieur interne : 005D55 ( PubMed/Corpus ); précédent : 005D54; suivant : 005D56Comparison of Dot-ELISA with Sandwich-ELISA for the detection of circulating antigens in patients with bancroftian filariasis.
Auteurs : H J Zheng ; Z H Tao ; W F Cheng ; W F PiessensSource :
- The American journal of tropical medicine and hygiene [ 0002-9637 ] ; 1990.
English descriptors
- KwdEn :
- MESH :
- chemical , blood : Antigens, Helminth.
- diagnosis : Elephantiasis, Filarial, Filariasis.
- immunology : Wuchereria, Wuchereria bancrofti.
- Animals, Enzyme-Linked Immunosorbent Assay, Humans, Predictive Value of Tests.
Abstract
We compared the performance of a newly developed Dot-ELISA with that of a previously described Sandwich-ELISA to detect parasite antigens in sera from patients with bancroftian filariasis. The same monoclonal antibody and the same sera were used in both tests. In the Dot-ELISA, 67 of 70 sera from microfilaremic donors were deemed to contain filarial antigens when screened at a dilution of 1:50. End titers were 1:80-1:1280. With the Sandwich-ELISA, 64 of the same sera were positive at a dilution of 1:10 and 42 were positive at a dilution of 1:50. End titers were 1:10-1:320. The specificity of both assays was greater than 95%, but their sensitivity was remarkably different. The Dot-ELISA could detect as little as 0.055 ng/ml microfilarial antigen added to normal human sera, whereas the lower limit with the Sandwich-ELISA was 10 ng/ml parasite antigen. Additionally, the Dot-ELISA does not require radioactivity or sophisticated equipment and, therefore, can be performed in virtually all filariasis-endemic areas.
PubMed: 2196825
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The same monoclonal antibody and the same sera were used in both tests. In the Dot-ELISA, 67 of 70 sera from microfilaremic donors were deemed to contain filarial antigens when screened at a dilution of 1:50. End titers were 1:80-1:1280. With the Sandwich-ELISA, 64 of the same sera were positive at a dilution of 1:10 and 42 were positive at a dilution of 1:50. End titers were 1:10-1:320. The specificity of both assays was greater than 95%, but their sensitivity was remarkably different. The Dot-ELISA could detect as little as 0.055 ng/ml microfilarial antigen added to normal human sera, whereas the lower limit with the Sandwich-ELISA was 10 ng/ml parasite antigen. Additionally, the Dot-ELISA does not require radioactivity or sophisticated equipment and, therefore, can be performed in virtually all filariasis-endemic areas.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">2196825</PMID><DateCreated><Year>1990</Year><Month>08</Month><Day>23</Day></DateCreated><DateCompleted><Year>1990</Year><Month>08</Month><Day>23</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0002-9637</ISSN><JournalIssue CitedMedium="Print"><Volume>42</Volume><Issue>6</Issue><PubDate><Year>1990</Year><Month>Jun</Month></PubDate></JournalIssue><Title>The American journal of tropical medicine and hygiene</Title><ISOAbbreviation>Am. J. Trop. Med. Hyg.</ISOAbbreviation></Journal><ArticleTitle>Comparison of Dot-ELISA with Sandwich-ELISA for the detection of circulating antigens in patients with bancroftian filariasis.</ArticleTitle><Pagination><MedlinePgn>546-9</MedlinePgn></Pagination><Abstract><AbstractText>We compared the performance of a newly developed Dot-ELISA with that of a previously described Sandwich-ELISA to detect parasite antigens in sera from patients with bancroftian filariasis. The same monoclonal antibody and the same sera were used in both tests. In the Dot-ELISA, 67 of 70 sera from microfilaremic donors were deemed to contain filarial antigens when screened at a dilution of 1:50. End titers were 1:80-1:1280. With the Sandwich-ELISA, 64 of the same sera were positive at a dilution of 1:10 and 42 were positive at a dilution of 1:50. End titers were 1:10-1:320. The specificity of both assays was greater than 95%, but their sensitivity was remarkably different. The Dot-ELISA could detect as little as 0.055 ng/ml microfilarial antigen added to normal human sera, whereas the lower limit with the Sandwich-ELISA was 10 ng/ml parasite antigen. Additionally, the Dot-ELISA does not require radioactivity or sophisticated equipment and, therefore, can be performed in virtually all filariasis-endemic areas.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zheng</LastName><ForeName>H J</ForeName><Initials>HJ</Initials><AffiliationInfo><Affiliation>Guizhou Provincial Institute of Parasitic Diseases, Guiyang, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tao</LastName><ForeName>Z H</ForeName><Initials>ZH</Initials></Author><Author ValidYN="Y"><LastName>Cheng</LastName><ForeName>W F</ForeName><Initials>WF</Initials></Author><Author ValidYN="Y"><LastName>Piessens</LastName><ForeName>W F</ForeName><Initials>WF</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Am J Trop Med Hyg</MedlineTA><NlmUniqueID>0370507</NlmUniqueID><ISSNLinking>0002-9637</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000947">Antigens, Helminth</NameOfSubstance></Chemical></ChemicalList><CitationSubset>AIM</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000947" MajorTopicYN="N">Antigens, Helminth</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="Y">blood</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004605" MajorTopicYN="N">Elephantiasis, Filarial</DescriptorName><QualifierName UI="Q000175" MajorTopicYN="Y">diagnosis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004797" MajorTopicYN="Y">Enzyme-Linked Immunosorbent Assay</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005368" MajorTopicYN="N">Filariasis</DescriptorName><QualifierName UI="Q000175" MajorTopicYN="Y">diagnosis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011237" MajorTopicYN="N">Predictive Value of Tests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014957" MajorTopicYN="N">Wuchereria</DescriptorName><QualifierName UI="Q000276" MajorTopicYN="Y">immunology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014958" MajorTopicYN="N">Wuchereria bancrofti</DescriptorName><QualifierName UI="Q000276" MajorTopicYN="Y">immunology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1990</Year><Month>6</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1990</Year><Month>6</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1990</Year><Month>6</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">2196825</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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