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Current Molecular Medicine


ISSN (Print): 1566-5240
ISSN (Online): 1875-5666

Class III β -Tubulin (TUBB3): More than a Biomarker in Solid Tumors?

Author(s): M. Mariani, S. Shahabi, S. Sieber, G. Scambia and C. Ferlini

Volume 11, Issue 9, 2011

Page: [726 - 731] Pages: 6

DOI: 10.2174/156652411798062368

Price: $65


Class III β-tubulin (TUBB3) is a prominent mechanism of drug resistance expressed in a variety of solid tumors and particularly in lung and ovarian cancer. In the classical view, TUBB3 expression and drug resistance have been linked, and together they have been associated with a perturbation in microtubule dynamics. In keeping with this observation, TUBB3 was associated with drug resistance only when chemotherapy included a taxane in its chemical composition. In this review, we demonstrate that the classical supposition about TUBB3 is not correct, and that instead TUBB3 expression is linked to drug resistance as a complex survival mechanism activated by microenvironmental conditions such as poor nutrient supply and hypoxia.

Keywords: Tubulin, biomarkers, drug-resistance, poor outcome, pharmacogenomics, toxicity, biomediators, myeloid leukemia, tumors, imatinib, dasatinib, nilotinib, oncogene, carcinoma, angiogenesis

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