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Cell Growth & Differentiation, Vol 3, Issue 10 671-676, Copyright © 1992 by American Association of Cancer Research

ARTICLES

Inhibition of specific pathways of myeloid cell differentiation by an activated Hox-2.4 homeobox gene

C Blatt, J Lotem and L Sachs
Department of Molecular Genetics and Virology, Weizmann Institute of Science, Rehovot, Israel.

Abnormal expression of homeobox genes is one of the abnormalities associated with the development of murine and human leukemia. Myeloid leukemic cells that can be induced to differentiate to mature cells by interleukin 6 were stably transfected with an activated Hox-2.4 homeobox gene. Expression of the Hox-2.4 gene in the transfected clones inhibited specific pathways of the myeloid differentiation program induced by interleukin 6. The expression of some genes associated with differentiation was almost completely blocked, and the expression of other genes was either partially inhibited or not affected. The results support the hypothesis that abnormal expression of Hox-2.4 may contribute to the development of leukemia by interfering with the differentiation program.


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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Cancer Research Clinical Cancer Research
Cancer Epidemiology Biomarkers & Prevention Molecular Cancer Therapeutics
Molecular Cancer Research Cell Growth & Differentiation
Copyright © 1992 by the American Association of Cancer Research.