BCL-6 regulates chemokine gene transcription in macrophages

Lisa M. Toney, Giorgio Cattoretti, Jennifer A. Graf, Taha Merghoub, Pier Paolo Pandolfi, Riccardo Dalla-Favera, B. Hilda Ye, Alexander L. Dent

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132 Scopus citations


The transcriptional repressor protein BCL-6, implicated in the pathogenesis of B cell lymphoma, regulates lymphocyte differentiation and inflammation. We investigated the mechanism for the T helper cell subset 2 (TH2)-type inflammation that occurs in BCL-6-/- mice. Using chimeric mice we found that the TH2-type inflammation is dependent upon nonlymphoid cells. We identified three chemokines, MCP-1, MCP-3 and MRP-1, which are negatively regulated by BCL-6 in macrophages. Promoter analysis revealed that BCL-6 is a potent repressor of MCP-1 transcription. Our results provide a mechanism for the regulation of TH2-type inflammation by BCL-6 and link TH2 differentiation to innate immunity.

Original languageEnglish (US)
Pages (from-to)214-220
Number of pages7
JournalNature Immunology
Issue number3
StatePublished - Sep 2000

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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    Toney, L. M., Cattoretti, G., Graf, J. A., Merghoub, T., Pandolfi, P. P., Dalla-Favera, R., Ye, B. H., & Dent, A. L. (2000). BCL-6 regulates chemokine gene transcription in macrophages. Nature Immunology, 1(3), 214-220. https://doi.org/10.1038/79749