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Cited by 533

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Clinical Implication of Hot Spot BRAF Mutation, V599E, in Papillary Thyroid Cancers

Namba, Hiroyuki, Nakashima, Masahiro, Hayashi, Tomayoshi, Hayashida, Naomi, Maeda, Shigeto, Rogounovitch, Tatiana I., Ohtsuru, Akira, Saenko, Vladimir A., Kanematsu, Takashi, Yamashita, Shunichi·2003·The Journal of Clinical Endocrinology & Metabolism

Abstract

Activating mutations in the BRAF kinase gene have recently been reported in human cancers. The aim of the present study was to determine the frequency of BRAF mutations in thyroid cancer and their correlation with clinicopathological parameters. We analyzed exons 11 and 15 of BRAF gene in six human thyroid cancer cell lines and 207 paraffin-embedded thyroid tumor tissues. A missense mutation was found at T1796A (V599E) in exon 15 in four of the six cell lines and 51 of 207 thyroid tumors (24.6%; 0 of 20 follicular adenoma, 0 of 11 follicular carcinoma, 49 of 170 papillary carcinomas, and 2 of 6 undifferentiated carcinomas). Activation of MAPK kinase-MAPK pathway was observed in cell lines harboring BRAF mutation. BRAF mutation-associated enhanced cell growth was suppressed by MAPK kinase inhibitor, U0126. Examination of 126 patients with papillary thyroid cancer showed that BRAF mutation correlated significantly with distant metastasis (P = 0.033) and clinical stage (P = 0.049). Our results indicate that activating mutation of BRAF gene could be a potentially useful marker of prognosis of patients with advanced thyroid cancers.

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Metadata

Authors
Namba, H., Nakashima, M., Hayashi, T., Hayashida, N., Maeda, S., Rogounovitch, T. I., Ohtsuru, A., Saenko, V. A., Kanematsu, T., & Yamashita, S.
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2003-09
Volume
88
Issue
9
Pages
4393-4397
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2098999691
Cited by
533
References
2
FWCI
21.42
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Clinical Implication of Hot Spot BRAF Mutation, V599E, in Papillary Thyroid Cancers. https://app.cochat.ai/papers/10.1210/jc.2003-030305
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Namba, H., Nakashima, M., Hayashi, T., Hayashida, N., Maeda, S., Rogounovitch, T. I., Ohtsuru, A., Saenko, V. A., Kanematsu, T., & Yamashita, S. (2003). Clinical Implication of Hot Spot BRAF Mutation, V599E, in Papillary Thyroid Cancers. The Journal of Clinical Endocrinology & Metabolism. https://doi.org/10.1210/jc.2003-030305

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