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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1993-9-30
pubmed:abstractText
We report the production and characterization of a human monoclonal IgM (mu, kappa) antibody recognizing the HLA A1, A23 and A24 antigens. B lymphocytes obtained from a multiparous Japanese woman were transformed in vitro by Epstein-Barr virus, screened with an immune adherence assay, and fused with a murine myeloma cell line, P3-X63-Ag8.653. After subcloning by limiting dilution three times, a stable antibody-secreting hybridoma cell line, 4-35-7, was identified. The culture supernant had a titer of 1:32-64 against each of A1-, A23- and A24-positive lymphocyte panels, and showed complete correlation (r = 1.00) with the A1, A23 and A24 antigens on a lymphocyte panel of 287 unrelated, class I HLA-typed donors by the NIH cytotoxicity assay. Monoclonality of the antibody was ensured by Southern blot analysis of the human immunoglobulin heavy chain gene of 4-35-7. In view of the published data on HLA class I nucleotide sequences, the antibody may recognize an antigeneic determinant including two amino acid residues, Asp-166 and Gly-167, in the alpha 2 helix of the class I molecule that are specific for A1, A23 and A24 so far analyzed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0001-2815
pubmed:author
pubmed:issnType
Print
pubmed:volume
41
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
186-9
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
A human monoclonal antibody that detects HLA-A1, A23 and A24 antigens.
pubmed:affiliation
Japanese Red Cross Hiroshima Blood Center.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't