Chronic lymphoproliferative disorder with regulatory T-cell phenotype

Tomoko Kikuchi, Yoshio Katayama, Shiro Kubonishi, Toshiyuki Watanabe, Yukari Watanabe, Ken Ichi Matsuoka, Yoshinobu Maeda, Noriko Namba, Taro Masunari, Ryusuke Nasu, Kazuma Ikeda, Mitsune Tanimoto

Research output: Contribution to journalArticlepeer-review

Abstract

We report a case of T-cell chronic lymphoproliferative disorder (CLPD) that shows neither features of T-cell prolymphocytic leukemia nor disease progression for more than 34 months. Flow cytometric analyses of the lymphocytes revealed high expression of CD4 and CD25. Up-regulation of Foxp3, a master regulatory gene for developmental differentiation of regulatory T cells (Treg), was confirmed at mRNA and protein levels. To our knowledge, this is the first case of extremely indolent CLPD with Treg phenotype.

Original languageEnglish
Pages (from-to)713-716
Number of pages4
JournalAmerican Journal of Hematology
Volume81
Issue number9
DOIs
Publication statusPublished - Sep 2006

Keywords

  • Chronic lymphoproliferative disorder
  • Foxp3
  • Regulatory T cells

ASJC Scopus subject areas

  • Hematology

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