Abstract:
:Controls and calibrators in autoimmune assays are typically developed from patient sera. However, the use of sera is accompanied by a number of disadvantages, such as lack of monospecificity, lack of assay comparability, and supply limitations. Ideally, the control reagent would be an antigen-specific human monoclonal antibody preparation that is defined and pure, easy to produce without any supply limitations, and of defined isotype (IgG, IgM, or IgA). The generation of antigen-specific human monoclonal antibodies has been complicated, but recent advances in development of fully human antibodies by means of in vitro antibody gene library selection has opened a way for the isolation of human antibodies to virtually any antigen, including self-antigens. Such antibodies can be converted to any isotype by gene cloning. Here we developed a set of human monoclonal IgA antibodies specific for the cardiolipin-beta2-glycoprotein 1 complex, using the HuCAL technology. We evaluated the IgA variants of those antibodies for their use as standards in IgA anticardiolipin antibody assays and compared these reagents with serum controls. Such recombinant antibodies may ultimately replace patient sera as assay control and calibration reagents.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Knappik A,Capuano F,Frisch C,Ylera F,Bonelli Fdoi
10.1111/j.1749-6632.2009.04749.xsubject
Has Abstractpub_date
2009-09-01 00:00:00pages
190-8eissn
0077-8923issn
1749-6632pii
NYAS4749journal_volume
1173pub_type
杂志文章abstract::The temporal and spatial regulation of intracellular calcium concentration ([Ca(2+)](i)) is very crucial for maintaining calcium ion homeostasis within cells, and consequently in the regulation of cellular functions such as beta cell replication and differentiation, insulin secretion, and apoptosis. Calcium ion regula...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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abstract::The Sex combs reduced gene of the Antennapedia complex specifics the identities of the anterior thoracic and posterior head segments, including the primordium of the larval salivary gland. The Sex combs reduced transcription unit spans over 30 kb of genomic DNA, with another 40 kb of upstream cis-regulatory sequences....
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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