期刊
BRITISH JOURNAL OF CANCER
卷 86, 期 6, 页码 917-923出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.bjc.6600156
关键词
thyroid; neoplasias; expression; SIR2; telomerase
类别
We used subtractive library screening to identify the charges that occur in gene expression during thyroid cell neoplastic transformation, Complementary DNA from normal thyroid cells (HTC 2) was subtracted from a complementary DNA library constructed from a human thyroid papillary carcinoma cell line. The library was screened for genes upregulated in human thyroid papillary carcinoma cell line cells, and several cDNA clones were isolated, One of these clones has a sirtuin core and high homology with the human silent information regulator protein family, This clone, designated 'SIR-T8', was overexpressed in human thyroid carcinoma cell lines and tissues, but not in aderomas. The human SIR-T8 protein has a molecular weight of 39 kDa and is primarily located in the cytoplasm under the nuclear membrane. The SIR-T8 gene is located on chromosome 17q25-I. (C) 2002 Cancer Research UK.
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