Is thyroid follicular cancer in Japanese caused by a specific t(2; 3)(q13; p25) translocation generating Pax8-PPARγ fusion mRNA?

Yatsuka Hibi, Takashi Nagaya, Fukushi Kambe, Tsuneo Imai, Hiroomi Funahashi, Akimasa Nakao, Hisao Seo

研究成果: Article査読

21 被引用数 (Scopus)

抄録

A recent western study reports that t(2; 3)(q13; p25) translocation resulting in the expression of the Pax8-PPARγ fusion gene in patients with thyroid follicular carcinoma (FTC) occurs with high incidence (63%). Furthermore, the products of the fusion gene were shown to suppress the function of PPARγ in a predominantly negative manner, conferring them with an oncogenic potential. We examined the expression of this fusion gene in FTC in Japanese patients. From 1989 to 2000, six cases with FTC were surgically treated at our institute. In these carcinoma samples, the expression of mRNAs for the Pax8-PPARγ fusion product was analyzed by nested RT-PCR. Their expression was also studied in other thyroid nodules (12 adenomatous goiters, 12 follicular adenomas, 12 papillary carcinomas and 12 normal thyroid tissues) obtained at surgery during the same period. Pax8-PPARγ fusion mRNA was not detected in any FTC samples nor in the other samples. Furthermore, none of the 6 FTCs, one follicular adenoma or one normal thyroid analyzed by fluorescence in situ hybridization (FISH) exhibited Pax8-PPARγ gene fusion. These findings are in contrast to previous reports and indicate that ethnic background may affect the translocation.

本文言語English
ページ(範囲)361-366
ページ数6
ジャーナルendocrine journal
51
3
DOI
出版ステータスPublished - 06-2004
外部発表はい

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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