© 2001 by Oxford University Press
Journal of the National Cancer Institute, Vol. 93, No. 24, 1886-1888,
December 19, 2001
© 2001 Oxford University Press
BRIEF COMMUNICATION |
Genetic Analysis of the
-Tubulin Gene, TUBB, in Non-Small-Cell Lung Cancer
Affiliations of authors: M. J. Kelley, S. Li (Department of Medicine), D. H. Harpole (Department of Surgery), Thoracic Oncology Program, Duke University Medical Center, Durham, NC, and Durham Veterans Affairs Hospital.
Correspondence to: Michael J. Kelley, M.D., Hematology/Oncology (111G), Durham Veterans Affairs Hospital, Rm. E3007, 508 Fulton St., Durham, NC 27705 (e-mail: kelleym@duke.edu).
Tubulin, the cellular target for the taxane chemotherapeutic agents, is composed of 
heterodimers. There are at least six human genes encoding different tubulin
subunits (1). In most epithelial tumor cells, the most highly expressed isoform of
-tubulin is
5, which is encoded by the TUBB gene, also referred to as M40 (2). Chinese hamster ovary cells (3) and an ovarian tumor cell line (4) adapted for growth in vitro in the presence of the taxane paclitaxel have been found to have mutations in TUBB. Monzó et al. (5) reported TUBB mutations in 16 (33%) of 49 tumor samples from previously untreated patients with advanced non-small-cell lung cancer (NSCLC). All of the mutations, except two, were located in exon 4, which encodes more than half of the
-tubulin
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