CREB3L4, INTS3, and SNAPAP are targets for the 1q21 amplicon frequently detected in hepatocellular carcinoma - PubMed (original) (raw)
. 2008 Jan 1;180(1):30-6.
doi: 10.1016/j.cancergencyto.2007.09.013.
Kohichiroh Yasui, Mio Endo, Tomoaki Nakajima, Keika Zen, Kazuhiro Tsuji, Masahito Minami, Shinji Tanaka, Masafumi Taniwaki, Yoshito Itoh, Shigeki Arii, Takeshi Okanoue
Affiliations
- PMID: 18068530
- DOI: 10.1016/j.cancergencyto.2007.09.013
CREB3L4, INTS3, and SNAPAP are targets for the 1q21 amplicon frequently detected in hepatocellular carcinoma
Yoshikazu Inagaki et al. Cancer Genet Cytogenet. 2008.
Abstract
High-density single nucleotide polymorphism (SNP) array analysis revealed novel amplification at 1q21 in cell lines derived from hepatocellular carcinomas (HCCs). Fluorescence in situ hybridization and real-time quantitative polymerase chain reaction studies verified amplification at 1q21. An increase in copy number at the region was detected in 32 of the 36 primary HCC tumors (89%). To identify the targets for amplification, we examined 19 HCC cell lines for expression levels of all 26 genes located within the 700-kb amplified region. Five genes were overexpressed in cell lines with amplification at 1q21. Among these, CREB3L4 (cAMP responsive element binding protein 3-like 4), INTS3 (integrator complex subunit 3), and SNAPAP (SNAP-associated protein) were significantly overexpressed in tumors from 18 HCC patients, compared with counterpart nontumorous tissues. The findings suggest that CREB3L4, INTS3, and SNAPAP are probable targets for the amplification mechanism and may therefore be involved, together or separately, in the development or progression of HCCs.
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