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Medline ® Abstract for Reference 205

of '慢性髓系白血病的细胞和分子生物学'

205
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Induction of chronic myelogenous leukemia in mice by the P210bcr/abl gene of the Philadelphia chromosome.
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Daley GQ, Van Etten RA, Baltimore D
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Science. 1990;247(4944):824.
 
In tumor cells from virtually all patients with chronic myelogenous leukemia, the Philadelphia chromosome, a fusion of chromosomes 9 and 22, directs the synthesis of the P210bcr/abl protein. The protein-tyrosine kinase activity and hybrid structure of P210bcr/abl are similar to the oncogene product of the Abelson murine leukemia virus, P160gag/v-abl, which induces acute lymphomas. To determine whether P210bcr/abl can induce chronic myelogenous leukemia, murine bone marrow was infected with a retrovirus encoding P210bcr/abl and transplanted into irradiated syngeneic recipients. Transplant recipients developed several hematologic malignancies; prominent among them was a myeloproliferative syndrome closely resembling the chronic phase of human chronic myelogenous leukemia. Tumor tissue from diseased mice harbored the provirus encoding P210bcr/abl. These results demonstrate that P210bcr/abl expression can induce chronic myelogenous leukemia. Retrovirus-mediated expression of the protein provides a murine model system for further analysis of the disease.
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Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge 02142.
PMID