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Eur J Immunol. 1997 Oct;27(10):2471-7.

Identification and analysis of a novel member of the ubiquitin family expressed in dendritic cells and mature B cells.

Author information

1
Schering-Plough, Laboratory for Immunological Research, Dardilly, France.

Abstract

Using a cDNA subtraction technique, a novel member of the ubiquitin family was isolated from human dendritic cells. This gene encodes a diubiquitin protein containing tandem head to tail ubiquitin-like domains, with the conservation of key functional residues. Expression of this 777-bp mRNA was restricted to dendritic cells and B cells, with strong expression in mature B cells. Southern blot analysis indicated that a single copy of this gene is present. In situ hybridization on tonsillar tissue showed expression in epithelial cells and isolated cells within the germinal center. With respect to an expressed-sequence tag (EST) this cDNA could be localized to the major histocompatibility complex class I region of chromosome 6. Comparative analysis and the expression pattern of this gene suggests a function in antigen processing and presentation.

PMID:
9368598
DOI:
10.1002/eji.1830271002
[Indexed for MEDLINE]

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