Abstract:
:The cell line AR230 was established from the peripheral blood mononuclear cells of a patient with chronic myeloid leukemia and t(9;22) translocation bearing a variant type of BCR/ABL rearrangement. AR230 expresses a BCR/ABL fusion protein with a molecular mass of 230 kilodaltons (kDa) due to the insertion of 180 amino acids encoded by 3' exons of BCR (b4 to c3). An immune complex kinase assay showed that the 230-kDa BCR/ABL protein ahd autophosphorylation activity. Immunoprecipitation analysis revealed a stable complex of GRB2 and 230-kDa BCR/ABL proteins, indicating that the Ras activation pathway is involved in the process of transformation. AR230 expressed another short transcript consisting of a BCRc2/ABL junction, which is associated with a stop signal shortly after the junction. To our knowledge, this is the first cell line expressing a 230-kDa fusion product of BCR/ABL. AR230 will be useful for studying the biological function of divergent BCR/ABL proteins.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Wada H,Mizutani S,Nishimura J,Usuki Y,Kohsaki M,Komai M,Kaneko H,Sakamoto S,Delia D,Kanamaru Asubject
Has Abstract,Author List Incompletepub_date
1995-07-15 00:00:00pages
3192-6issue
14eissn
0008-5472issn
1538-7445journal_volume
55pub_type
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