Abstract:
:To investigate the mechanisms of colorectal carcinogenesis, we searched for genes regulated by adenomatous polyposis coli gene product (APC) and identified a novel gene, termed HELAD1 (helicase, APC down-regulated 1). A recombinant polypeptide representing the ATPases associated with cellular activities (AAA) domain of the HELAD1 product showed 3' to 5' helicase activity and exonuclease activity in vitro. HELAD1 was abundantly expressed in 16 of 20 colon cancers examined but hardly detectable in corresponding non-cancerous mucosae. Treatment of colon-cancer cells with antisense oligonucleotides suppressed its expression and induced apoptosis. These data revealed an importance of HELAD1 in colorectal carcinogenesis and suggest that suppression of HELAD1 may be a promising therapeutic strategy.
journal_name
Oncogenejournal_title
Oncogeneauthors
Ishiguro H,Shimokawa T,Tsunoda T,Tanaka T,Fujii Y,Nakamura Y,Furukawa Ydoi
10.1038/sj.onc.1205751subject
Has Abstractpub_date
2002-09-12 00:00:00pages
6387-94issue
41eissn
0950-9232issn
1476-5594journal_volume
21pub_type
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