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pubmed:abstractText |
Molecular targeting of protein kinases is a new paradigm in the treatment of cancer. The clinical efficacy of low-molecular weight inhibitors of ABL, stem-cell growth-factor receptor, and the epidermal growth factor receptor in different tumor types is witness to the power of this approach. The presence of activating mutations of a kinase, or an increased gene copy number, might anticipate tumor responsiveness to its targeting. Thyroid cancer is the most prevalent endocrine malignancy and is frequently associated with the oncogenic conversion of two specific protein kinases, RET and BRAF. Small-molecule inhibitors of both kinases have already reached the clinical testing stage. Protein kinases other than RET and BRAF are also being evaluated for their potential in thyroid-cancer treatment.
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