OKT4 epitope deficiency in a patient with acute myeloblastic leukemia

Shinsaku Imashuku, Shinjiro Todo, Yoshihito Morioka, Tohru Sugimoto, Noriko Esumi, Kentaro Tsunamoto, Yoshitaka Shimizu, Fumihiro Fujiwara

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The association of OKT4 epitope deficiency and acute myloblastic leukemia (Ml by FAB) in a 12-year-old girl is reported. The patient’s peripheral lymphocytes lacked the antigen identified by the OKT4 monoclonal antibody, but showed normal OKT4A and Leu-3a reactivity. Functional studies of the lymphocytes revealed normal responses to mitogens, but slightly reduced helper T cell function. The patient responded well to antileukemia chemotherapy and has been in remission for 30 months. The possible link between OKT4 epitope deficiency and the pathogenesis of AML is discussed.

Original languageEnglish (US)
Number of pages1
JournalAmerican Journal of Pediatric Hematology/Oncology
Issue number3
StatePublished - Jan 1 1987
Externally publishedYes


  • Acute myeloblastic leukemia
  • OKT4 epitope deficiency

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Hematology
  • Oncology


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