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Biochem Biophys Res Commun. 2001 Feb 2;280(4):1148-54.

A novel gene, CRR9, which was up-regulated in CDDP-resistant ovarian tumor cell line, was associated with apoptosis.

Author information

1
Food and Pharmaceutical Research, Development Laboratories, Asahi Breweries, Ltd., 1-1-21 Midori, Moriya-machi, Kitasoma-gun, Ibaraki, 302-0106, Japan.

Abstract

In the screening for cisplatin (CDDP)-resistance related genes by a mRNA differential display method, we detected some increased bands in CDDP resistant ovarian tumor cell line 2008/C13*5.25. One of them, named DD9, was a positive fragment on Northern blot analysis. We cloned it as a full length cDNA by 5'RACE and found a novel gene, CRR9 (Cisplatin Resistance Related gene 9). The CRR9 gene was transcribed into a 2.0 kb mRNA, encoding 512 amino acids. The putative protein had transmembrane-like domains and well conserved on C terminus with human CLPTM1 and the homologs found in Drosophila and C. elegans. Transfection assay showed that the CDDP-sensitive strain 2008 with CRR9 was more sensitive to CDDP, indicating that CRR9 was not associated with the CDDP-resistance, but the CDDP-induced apoptosis.

PMID:
11162647
DOI:
10.1006/bbrc.2001.4250
[Indexed for MEDLINE]

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