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Medline ® Abstract for Reference 209

of 'Cellular and molecular biology of chronic myeloid leukemia'

209
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Induction of a chronic myelogenous leukemia-like syndrome in mice with v-abl and BCR/ABL.
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Kelliher MA, McLaughlin J, Witte ON, Rosenberg N
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Proc Natl Acad Sci U S A. 1990;87(17):6649.
 
The v-abl gene in Abelson virus induces pre-B-cell lymphoma in mice while the BCR/ABL oncogene is associated with chronic myelogenous leukemia and some cases of acute lymphocytic leukemia in humans. Understanding the mechanisms by which these oncogenes affect various cell types has been hampered by a paucity of experimental systems that reproduce the range of biological effects associated with them. We have developed an experimental system in which murine hematopoietic stem cell populations are infected with either v-abl or BCR/ABL retroviruses and are used to reconstitute lethally irradiated mice. Irrespective of the form of activated abl, greater than 90% of the animals reconstituted with such cells develop tumors. About 50% of them develop a myeloproliferative syndrome that shares several features with the chronic phase of chronic myelogenous leukemia; the remaining animals succumb to pre-B-cell lymphomas. The myeloproliferative syndrome is characterized by large numbers of clonally derived, infected myeloid cells. This model will allow study of the mechanism by which activated abl genes affect hematopoietic precursors in chronic myelogenous leukemia. Furthermore, our results demonstrate that introduction of an activated abl gene into the appropriate target cell, not the structure of the gene, is the major determinant in myeloid cell specificity.
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Department of Pathology, Tufts University School of Medicine, Boston, MA 02111.
PMID