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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1985 Jan;82(2):526–530. doi: 10.1073/pnas.82.2.526

The Ly-15 alloantigenic system: a genetically determined polymorphism of the murine lymphocyte function-associated antigen-1 molecule.

P M Hogarth, I D Walker, I F McKenzie, T A Springer
PMCID: PMC397072  PMID: 3881766

Abstract

Serological and biochemical studies using monoclonal antibodies have demonstrated that the Ly-15 cell membrane alloantigens are polymorphic sites on the lymphocyte function-associated antigen-1 (LFA-1) molecule. Ly-15.2 and LFA-1 show identical tissue distributions, being present on all thymocytes, lymphocytes, and neutrophils, and flow cytofluorometric analysis indicated identical cell surface expression of these molecules. Identity of Ly-15.2 and LFA-1 was confirmed by immunochemical analysis. The Ly-15.2 and LFA-1 molecules have an identical heterodimeric structure of Mr 180,000 alpha chain and Mr 94,000 beta chain, which coelectrophorese on two-dimensional NaDodSO4/PAGE. Furthermore, anti-Ly-15.2 and anti-LFA-1 antibodies coprecipitate the same molecule from thymocyte lysates, and peptide mapping studies show that the Ly-15.2 and LFA-1 alpha chains are identical, as are the beta chains.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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