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CML - imatinib introduction

Submitted by jonathanrubi on Fri, 03/23/2018 - 12:26

Chronic Myelogenous Leukemia is a form of cancer that starts in the blood-forming cells of the bone marrow, or hematological stem cells, and invades the blood. The disease was first recognized in 1845 when it was shown that CML was a blood cell disease characterized by excessive white blood cell accumulation. However, a molecular understanding of the cause of CML was not determined until 1960. Using high-resolution karyotyping and chromosome banding, it was determined that the disease was caused by a reciprocal translocation between the tips of the long arms of chromosome 9 and 22. It was later determined that this reciprocal translocation event led to the fusion of the c-ABL gene and the BCR gene, creating a chimeric BCR-ABL protein product.

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Maybe go and explain ABL and BCR a bit more becuase i understood all until the end. 

Maybe elaborate on the chimeric protein and how it contibutes to the disease.  It doesn't have to be too in-depth but describe how the chimera might contribute to unchecked cell growth.