Surface phenotype of Japanese adult T-cell leukemia cells characterized by monoclonal antibodies

T. Hattori, T. Uchiyama, T. Toibana, K. Takatsuki, H. Uchino

Research output: Contribution to journalArticlepeer-review

307 Citations (Scopus)


We studied the surface phenotype and the functional activities of leukemic cells from three patients with Japanese adult T-cell leukemia (ATL) using the panel of OK and anti-Tac monoclonal antibodies, which react with differentation antigens and define functionally distinct T-cell subsets or activated and terminally differentiated T cells. The phenotype of ATL cells were determined to be OKT1+T3+T4+T10+T5-T8-OKIa1-, although cells from two patients suppressed pokeweed mitogen (PWM) induced normal B-cell differentiation, and cells from all patients lacked helper activity in this system. In addition, after cultivation with PWM, ATL cells from all patients were reactive with anti-Tac monoclonal antibody, and cells from one patient were reactive with OKIaI. These findings suggest that ATL cells arise from peripheral mature T-cell subsets and also suggest that the transition of surface phenotype of ATL cells to functionally mature and activated T cells occurs in culture.

Original languageEnglish
Pages (from-to)645-647
Number of pages3
JournalUnknown Journal
Issue number3
Publication statusPublished - 1981

ASJC Scopus subject areas

  • Biochemistry
  • Immunology
  • Hematology
  • Cell Biology


Dive into the research topics of 'Surface phenotype of Japanese adult T-cell leukemia cells characterized by monoclonal antibodies'. Together they form a unique fingerprint.

Cite this