ArticleAvicenna journal of medical biotechnology2010
Production and characterization of mouse monoclonal antibodies recognizing multiple subclasses of human IgG.
Article in Avicenna journal of medical biotechnology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Production and characterization of a murine monoclonal antibody against human ferritin.Avicenna journal of medical biotechnology · 2013Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
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Abstract
Different IgG subclass profiles are produced in response to different antigenic stimuli in a variety of diseases. IgG subclass levels may reflect disease severity. Quantification of IgG subclasses depends on the availability of specific Monoclonal antibodies (MAbs). In the present study seven hybridoma clones producing MAbs reactive with multiple subclasses of human IgG were established. Splenocytes from Balb/c mice immunized with Fc fractions of human IgG1 or IgG2 myeloma proteins were fused with mouse myeloma cells. Fused cells were selected and cloned by limiting dilution assay. Antibody secreting cells were screened by Enzyme-linked immunosorbent assay (ELISA) and the specificity of secreted MAbs was further analyzed, using a panel of purified human myeloma paraproteins of different IgG subclasses by ELISA and immunoblotting. Cross-reactivity to immunoglobulins (Igs) of other species was studied by indirect ELISA using serum samples collected from 9 animals. The MAbs were found to react with triple IgG subclasses, including IgG1,2,4 (n=4) and IgG1,2,3 (n=3). Immunoblotting studies revealed recognition of linear (n=4) or conformational (n=3) epitopes by these MAbs. The most abundant cross-reactivity (71.4%) was observed with monkey Ig while no cross-reactivity was detected with hen and cat sera. The MAbs mostly displayed a restricted pattern of cross-reactivity and one of them did not bind to any of the animal sera tested. The affinity constant of 3 MAbs was measured by ELISA. Based on the data obtained from this study, mouse MAbs reactive with multiple human IgG subclasses are directed to a variety of immunogenic epitopes, mostly shared with IgG of other species. These MAbs are valuable tools for purification of non-reactive IgG subclasses through negative affinity chromatography. These MAbs could also provide an opportunity for epitope mapping of the Fc region of IgG, as well as serological phylogenetic studies.
Indexed as
Identifiers
23408735PMC3558140W2153631026What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.