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Journal ArticleDOI

Mechanisms of BCR-ABL in the pathogenesis of chronic myelogenous leukaemia.

Ruibao Ren
- 01 Mar 2005 - 
- Vol. 5, Iss: 3, pp 172-183
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TLDR
Although BCR–ABL remains an attractive therapeutic target, it is important to identify other components involved in CML pathogenesis to overcome this resistance.
Abstract
Imatinib, a potent inhibitor of the oncogenic tyrosine kinase BCR-ABL, has shown remarkable clinical activity in patients with chronic myelogenous leukaemia (CML). However, this drug does not completely eradicate BCR-ABL-expressing cells from the body, and resistance to imatinib emerges. Although BCR-ABL remains an attractive therapeutic target, it is important to identify other components involved in CML pathogenesis to overcome this resistance. What have clinical trials of imatinib and studies using mouse models for BCR-ABL leukaemogenesis taught us about the functions of BCR-ABL beyond its kinase activity, and how these functions contribute to CML pathogenesis?

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Citations
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Selective killing of oncogenically transformed cells through a ROS-mediated mechanism by β-phenylethyl isothiocyanate

TL;DR: It is shown that abnormal increases in ROS can be exploited to selectively kill cancer cells using beta-phenylethyl isothiocyanate (PEITC), which exhibits therapeutic activity and prolongs animal survival in vivo.
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Hedgehog signalling is essential for maintenance of cancer stem cells in myeloid leukaemia

TL;DR: It is shown that the loss of Smoothened (Smo), an essential component of the Hh pathway, impairs haematopoietic stem cell renewal and decreases induction of chronic myelogenous leukaemia (CML) by the BCR–ABL1 oncoprotein.
References
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ras Oncogenes in Human Cancer: A Review

TL;DR: It appeared that ras gene mutations can be found in a variety of tumor types, although the incidence varies greatly and some evidence that environmental agents may be involved in the induction of the mutations.
Journal ArticleDOI

Effects of a selective inhibitor of the Abl tyrosine kinase on the growth of Bcr-Abl positive cells.

TL;DR: A compound, designed to inhibit the Abl protein tyrosine kinase, was evaluated for its effects on cells containing the Bcr–Abl fusion protein and it was found that this compound may be useful in the treatment of bcr–abl–positive leukemias.
Journal ArticleDOI

Clinical resistance to STI-571 cancer therapy caused by BCR-ABL gene mutation or amplification

TL;DR: It is found that drug resistance is associated with the reactivation of BCR-ABL signal transduction in all cases examined and a strategy for identifying inhibitors of STI-571 resistance is suggested.
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