Allele-specific down-regulation of MHC class I antigens in Burkitt lymphoma lines

Maria G. Masucic, Nico J. Stam, Sigurbjörg Torsteinsdottir, Jaques J. Neefjes, George Klein, Hidde L. Ploegh

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

We have reported that Burkitt lymphomas (BL) that arise in HLA-A11 positive individuals are resistant to lysis by HLA-A11-specific and HLA-A11-restricted CTLs (10, 11). Here we show that this phenomenon can be explained by a selective loss of the HLA-A11 polypeptide. The HLA-A11 negative phenotype is due to a regulatory phenomenon, rather than a structural defect, as proven by the ability to rescue expression of HLA-A11 in in vitro Epstein-Barr virus (EBV)-converted sublines of EBV negative BLs.

Original languageEnglish
Pages (from-to)396-400
Number of pages5
JournalCellular Immunology
Volume120
Issue number2
DOIs
StatePublished - May 1989
Externally publishedYes

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