Type I 5′-iodothyronine deiodinase activity and mRNA are remarkably reduced in renal clear cell carcinoma

Type I 5′-iodothyronine deiodinase activity and mRNA are remarkably reduced in renal clear cell carcinoma
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肾透明细胞癌中 I 型 5′-碘甲状腺原氨酸脱碘酶活性和 mRNA 显着降低

DOI:
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发表时间:
2001
影响因子:
5.4
通讯作者:
A. Nauman
A. Nauman
中科院分区:
医学3区
文献类型:
--
作者:
J. Pachucki;Michał Ambroziak;Z. Tański;J. Luczak;Janusz Nauman;A. Nauman

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本研究的目的是比较非癌肿瘤周围的人肾组织和肾透明细胞癌(RCCC)之间的甲状腺激素代谢。材料包括取自10名RCCC患者的样本,性别和三个等级的分化,G1至G3。我们发现,与大鼠组织相似,I型5′单脱碘酶(5′DI)在人肾脏中的表达是异质性的。我们还发现5′DI活性和非癌肿瘤周围组织中mRNA水平之间的相关性很差,这表明在人肾脏中5′DI表达的转录后调控是通过一个未知的过程进行的。在所有RCCC组织中均未检测到5′DI活性和mRNA水平。这表明在肿瘤转化过程中人5′DI基因表达的缺失或RCCC起源于不表达5′DI的管状细胞类型。
The purpose of this study was to compare thyroid hormone metabolism between non-cancerous tumor-surrounding human kidney tissues and renal clear cell carcinomas (RCCC). The material consisted of samples taken from 10 RCCC patients of both sexes and three grades of differentiation, G1 to G3. We showed that, similar to rat tissue, type I 5′ monodeiodinase (5′DI) expression is heterogeneous within the human kidney. We also found a poor correlation between 5′DI activity and mRNA level in noncancerous tumor-surrounding tissue suggesting significant post-transcriptional regulation of 5′DI expression by an unidentified process in the human kidney. In all RCCC tissues both 5′DI activity and mRNA levels were undetectable. This suggests either loss of human 5′DI gene expression during neoplastic transformation or the origination of RCCC from a tubular cell type that does not express 5′DI.
I 型碘甲状腺原氨酸 5-脱碘酶信使核糖核酸定位于大鼠肾近端小管的 S3 段。
DOI: 10.1210/endo.132.5.8477661
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