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|Title:||Identification of genes differentially expressed in nasopharyngeal carcinoma by messenger RNA differential display|
|Authors:||Fung, LF;Yuen, PW;Kwan, HS;Wei, W;Tsao, SW|
|subject:||Differential display;Nasopharyngeal carcinoma|
|Publisher:||Spandidos Publications. The Journal's web site is located at http://www.spandidos-publications.com/ijo/|
|Description:||We have applied the mRNA differential display method to compare and analyze mRNAs prepared from five normal nasopharyngeal epithelial cell cultures and five nasopharyngeal carcinoma cell lines. A total of 24 differential display experiments was performed using different combinations of PCR primers. Sixty-nine cDNA fragments differentially expressed in either normal or malignant nasopharyngeal epithelial cells were identified. Subsequent cloning and sequencing of these differentially expressed cDNA fragments resulted in the identification of seventeen distinct sequences. Seven of these sequences were shown to be novel cDNA sequences not previously reported. Ten of the remaining cDNA fragments showed sequence homology to previously reported genes. Differential expression of four of these seventeen cDNA fragments in normal nasopharyngeal epithelial cells was confirmed by reverse Northern hybridization. One of these cloned cDNA fragments is a novel cDNA sequence while the other three matched to previously reported cDNA sequences involved in cell growth and migration. Homologous sequences identified to be differentially expressed in normal nasopharyngeal epithelial cells in this study are: human 26 kDa cell surface protein (TAPA-1) mRNA, NF- E2 like basic leucine zipper transcriptional activator and the human bullous pemphigoid antigen. The mRNA differential display is a useful tool to identify candidate genes involved in the pathogenesis of nasopharyngeal carcinoma.|
|Standard no:||International Journal Of Oncology, 1998, v. 13 n. 1, p. 85-89|
|Appears in Collections:||Department of Anatomy|
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