Abstract:
:Genetic alteration is the driving force for thyroid tumorigenesis and progression, based upon which novel approaches to the management of thyroid cancer can be developed. A recent important genetic finding in thyroid cancer is the oncogenic T1799A transversion mutation of BRAF (the gene for the B-type Raf kinase, BRAF). Since the initial report of this mutation in thyroid cancer 2 years ago, rapid advancements have been made. BRAF mutation is the most common genetic alteration in thyroid cancer, occurring in about 45% of sporadic papillary thyroid cancers (PTCs), particularly in the relatively aggressive subtypes, such as the tall-cell PTC. This mutation is mutually exclusive with other common genetic alterations, supporting its independent oncogenic role, as demonstrated by transgenic mouse studies that showed BRAF mutation-initiated development of PTC and its transition to anaplastic thyroid cancer. BRAF mutation is mutually exclusive with RET/PTC rearrangement, and also displays a reciprocal age association with this common genetic alteration in thyroid cancer. The T1799A BRAF mutation occurs exclusively in PTC and PTC-derived anaplastic thyroid cancer and is a specific diagnostic marker for this cancer when identified in cytological and histological specimens. This mutation is associated with a poorer clinicopathological outcome and is a novel independent molecular prognostic marker in the risk evaluation of thyroid cancer. Moreover, preclinical and clinical evaluations of the therapeutic value of novel specific mitogen-activated protein kinase pathway inhibitors in thyroid cancer are anticipated. This newly discovered BRAF mutation may prove to have an important impact on thyroid cancer in the clinic.
journal_name
Endocr Relat Cancerjournal_title
Endocrine-related cancerauthors
Xing Mdoi
10.1677/erc.1.0978subject
Has Abstractpub_date
2005-06-01 00:00:00pages
245-62issue
2eissn
1351-0088issn
1479-6821pii
12/2/245journal_volume
12pub_type
杂志文章,评审abstract::The androgen receptor (AR) signaling axis drives all stages of prostate cancer, including the lethal, drug-resistant form of the disease termed castration-resistant prostate cancer (CRPC), which arises after failure of androgen deprivation therapy (ADT). Persistent AR activity in spite of ADT and the second-generation...
journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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更新日期:2017-09-01 00:00:00
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
pub_type: 杂志文章
doi:10.1677/erc.1.01318
更新日期:2007-03-01 00:00:00
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
pub_type: 杂志文章
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更新日期:2020-03-01 00:00:00
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
pub_type: 杂志文章
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journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
pub_type: 杂志文章,多中心研究
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
pub_type: 杂志文章
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更新日期:2008-03-01 00:00:00
abstract::Germline mutations in codon 918 of exon 16 of the RET gene (M918T) are classically associated with multiple endocrine neoplasia type 2B (MEN 2B) with highly aggressive medullary thyroid cancer (MTC), pheochromocytoma and a unique phenotype. The objectives of this study are to describe the rare M918V RET mutation disco...
journal_title:Endocrine-related cancer
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journal_title:Endocrine-related cancer
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更新日期:2012-05-24 00:00:00
abstract::Mouse models of prostate cancer (PCa) are critical for understanding the biology of PCa initiation, progression, and treatment modalities. Here, we summarize recent advances in PCa mouse models that led to new insights into specific gene functions in PCa. For example, the study of transgenic mice with TMPRSS2/ERG, an ...
journal_title:Endocrine-related cancer
pub_type: 杂志文章,评审
doi:10.1530/ERC-12-0285
更新日期:2013-06-24 00:00:00