Identification of SP5 as a downstream gene of the beta-catenin/Tcf pathway and its enhanced expression in human colon cancer. Export

@article{citeulike:2340780, abstract = {Mutations in APC, CTNNB1, AXIN1 or AXIN2 cause impairment in the beta-catenin degradation pathway and result in accumulation of beta-catenin in a wide range of human cancers. Accumulated beta-catenin then associates with Tcf/LEF transcription factors and transactivates their target genes. To uncover in detail the role of accumulated beta-catenin in colorectal carcinogenesis, we searched for genes involved in the beta-catenin/Tcf signaling pathway by cDNA microarray. We identified and characterized a human gene, SP5, that was down-regulated after depletion of beta-catenin by transduction of wild-type APC into SW480 cells. SP5 is a member of the Sp transcription factor family, which binds to the GC box or closely related sequences in promoters of many genes and control their expression. Reporter assays and an electromobility-shift assay revealed a DNA fragment between -285 and -279 in the 5' flanking region of this gene to be a target of the beta-catenin/Tcf4 complex. Our results indicate that SP5 is a novel direct down-stream target in the Wnt signaling pathway.}, address = {Laboratory of Molecular Medicine, The University of Tokyo, Minato-ku, Tokyo, Japan.}, author = {Takahashi, M. and Nakamura, Y. and Obama, K. and Furukawa, Y.}, citeulike-article-id = {2340780}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/16273202}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=16273202}, issn = {1019-6439}, journal = {Int J Oncol}, keywords = {beta-catenin, cancer, colon, microarray, pathway, tcf}, month = {December}, number = {6}, pages = {1483--1487}, posted-at = {2008-02-06 11:56:47}, priority = {2}, title = {Identification of SP5 as a downstream gene of the beta-catenin/Tcf pathway and its enhanced expression in human colon cancer.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/16273202}, volume = {27}, year = {2005} }

TY - JOUR ID - citeulike:2340780 L3 - citeulike-article-id:2340780 N2 - Mutations in APC, CTNNB1, AXIN1 or AXIN2 cause impairment in the beta-catenin degradation pathway and result in accumulation of beta-catenin in a wide range of human cancers. Accumulated beta-catenin then associates with Tcf/LEF transcription factors and transactivates their target genes. To uncover in detail the role of accumulated beta-catenin in colorectal carcinogenesis, we searched for genes involved in the beta-catenin/Tcf signaling pathway by cDNA microarray. We identified and characterized a human gene, SP5, that was down-regulated after depletion of beta-catenin by transduction of wild-type APC into SW480 cells. SP5 is a member of the Sp transcription factor family, which binds to the GC box or closely related sequences in promoters of many genes and control their expression. Reporter assays and an electromobility-shift assay revealed a DNA fragment between -285 and -279 in the 5' flanking region of this gene to be a target of the beta-catenin/Tcf4 complex. Our results indicate that SP5 is a novel direct down-stream target in the Wnt signaling pathway. IS - 6 JF - Int J Oncol SN - 1019-6439 AD - Laboratory of Molecular Medicine, The University of Tokyo, Minato-ku, Tokyo, Japan. EP - 1487 TI - Identification of SP5 as a downstream gene of the beta-catenin/Tcf pathway and its enhanced expression in human colon cancer. VL - 27 SP - 1483 KW - beta-catenin KW - cancer KW - colon KW - microarray KW - pathway KW - tcf AU - Takahashi, M AU - Nakamura, Y AU - Obama, K AU - Furukawa, Y PY - 2005/12// UR - http://view.ncbi.nlm.nih.gov/pubmed/16273202 ER -