Identification of genes associated with adenovirus 12 tumorigenesis by microarray

被引:20
|
作者
Guan, HC
Smirnov, DA
Ricciardi, RP
机构
[1] Univ Penn, Sch Dent Med, Dept Microbiol, Philadelphia, PA 19104 USA
[2] Univ Penn, Sch Arts & Sci, Dept Biol, Philadelphia, PA 19104 USA
[3] Univ Penn, Sch Med, Dept Biochem & Biophys, Philadelphia, PA 19104 USA
关键词
cDNA microarray; differential expression; adenovirus; tumorigenesis;
D O I
10.1016/S0042-6822(02)00135-6
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A total of 242 genes were shown to be differentially expressed between haplotypically matched tumorigenic adenovirus 12 (Adl2) and nontumorigenic Ad5-transformed cells using a microarray containing 8734 cDNAs. Eighty-seven of the differentially expressed genes have known roles that include signal transduction, cell growth and proliferation, transcription regulation, protease, and immune functions. The remaining differentially expressed genes are represented by EST cDNAs which have functions that are either completely unknown or proposed, based on sequence similarity to known genes. A subset of 22 differentially expressed genes from the microarray was further examined by Northern blot analyses to verify the identification of new genes associated with Ad12 tumorigenesis. Growth factor receptor binding protein 10 (Grb10) and protease nexin I (PN-1) were overexpressed in all of the tumorigenic Ad12-transformed cells examined, whereas expression of these genes was negligible in all of the nontumorigenic Ad5-transformed cells. By contrast, other genes including B cell translocation gene 2 (BTG2) were shown to be significantly up-regulated in Ad5-transformed cells as compared to Ad I 2-transformed cells. (C) 2003 Elsevier Science (USA). All rights reserved.
引用
收藏
页码:114 / 124
页数:11
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