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*612585
Table of Contents

* 612585

CLPTM1-LIKE PROTEIN; CLPTM1L


Alternative titles; symbols

CISPLATIN RESISTANCE-RELATED PROTEIN 9; CRR9


HGNC Approved Gene Symbol: CLPTM1L

Cytogenetic location: 5p15.33   Genomic coordinates (GRCh38) : 5:1,317,752-1,345,099 (from NCBI)


TEXT

Cloning and Expression

Using differential display to identify genes involved in resistance to the anticancer drug cisplatin in ovarian cancer cell lines, followed by 5-prime RACE of the cisplatin-resistant cell line, Yamamoto et al. (2001) cloned CLPTM1L, which they called CRR9. The deduced 512-amino acid protein contains 5 putative transmembrane regions and shares 35% identity with CLPTM1 (604783).


Mapping

Hartz (2009) mapped the CLPTM1L gene to chromosome 5p15.33 based on an alignment of the CLPTM1L sequence (GenBank AB045223) with the genomic sequence (NCBI36).


Gene Function

Using Northern blot analysis, Yamamoto et al. (2001) found that expression of CRR9 was upregulated in all cisplatin-resistant cell lines examined. Overexpression of CRR9 in a cisplatin-sensitive cell line resulted in apoptosis, whereas CRR9 overexpression had no effect on a cisplatin-resistant cell line. Yamamoto et al. (2001) concluded that CRR9 is not associated with cisplatin resistance but with cisplatin-induced apoptosis, and that cisplatin resistance is likely due to a signaling change downstream of CRR9.


Molecular Genetics

For discussion of a possible association between variation in the CLPTM1L gene and lung cancer, see 612571.


REFERENCES

  1. Hartz, P. A. Personal Communication. Baltimore, Md. 2/6/2009.

  2. Yamamoto, K., Okamoto, A., Isonishi, S., Ochiai, K., Ohtake, Y. A novel gene, CRR9, which was up-regulated in CDDP-resistant ovarian tumor cell line, was associated with apoptosis. Biochem. Biophys. Res. Commun. 280: 1148-1154, 2001. [PubMed: 11162647, related citations] [Full Text]


Contributors:
Marla J. F. O'Neill - updated : 1/6/2010
Creation Date:
Patricia A. Hartz : 2/6/2009
carol : 06/25/2014
wwang : 1/8/2010
terry : 1/6/2010
mgross : 2/6/2009

* 612585

CLPTM1-LIKE PROTEIN; CLPTM1L


Alternative titles; symbols

CISPLATIN RESISTANCE-RELATED PROTEIN 9; CRR9


HGNC Approved Gene Symbol: CLPTM1L

Cytogenetic location: 5p15.33   Genomic coordinates (GRCh38) : 5:1,317,752-1,345,099 (from NCBI)


TEXT

Cloning and Expression

Using differential display to identify genes involved in resistance to the anticancer drug cisplatin in ovarian cancer cell lines, followed by 5-prime RACE of the cisplatin-resistant cell line, Yamamoto et al. (2001) cloned CLPTM1L, which they called CRR9. The deduced 512-amino acid protein contains 5 putative transmembrane regions and shares 35% identity with CLPTM1 (604783).


Mapping

Hartz (2009) mapped the CLPTM1L gene to chromosome 5p15.33 based on an alignment of the CLPTM1L sequence (GenBank AB045223) with the genomic sequence (NCBI36).


Gene Function

Using Northern blot analysis, Yamamoto et al. (2001) found that expression of CRR9 was upregulated in all cisplatin-resistant cell lines examined. Overexpression of CRR9 in a cisplatin-sensitive cell line resulted in apoptosis, whereas CRR9 overexpression had no effect on a cisplatin-resistant cell line. Yamamoto et al. (2001) concluded that CRR9 is not associated with cisplatin resistance but with cisplatin-induced apoptosis, and that cisplatin resistance is likely due to a signaling change downstream of CRR9.


Molecular Genetics

For discussion of a possible association between variation in the CLPTM1L gene and lung cancer, see 612571.


REFERENCES

  1. Hartz, P. A. Personal Communication. Baltimore, Md. 2/6/2009.

  2. Yamamoto, K., Okamoto, A., Isonishi, S., Ochiai, K., Ohtake, Y. A novel gene, CRR9, which was up-regulated in CDDP-resistant ovarian tumor cell line, was associated with apoptosis. Biochem. Biophys. Res. Commun. 280: 1148-1154, 2001. [PubMed: 11162647] [Full Text: https://doi.org/10.1006/bbrc.2001.4250]


Contributors:
Marla J. F. O'Neill - updated : 1/6/2010

Creation Date:
Patricia A. Hartz : 2/6/2009

Edit History:
carol : 06/25/2014
wwang : 1/8/2010
terry : 1/6/2010
mgross : 2/6/2009



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OMIM® and Online Mendelian Inheritance in Man® are registered trademarks of the Johns Hopkins University.
Copyright® 1966-2026 Johns Hopkins University.
NOTE: OMIM is intended for use primarily by physicians and other professionals concerned with genetic disorders, by genetics researchers, and by advanced students in science and medicine. While the OMIM database is open to the public, users seeking information about a personal medical or genetic condition are urged to consult with a qualified physician for diagnosis and for answers to personal questions.
OMIM® and Online Mendelian Inheritance in Man® are registered trademarks of the Johns Hopkins University.
Copyright® 1966-2026 Johns Hopkins University.
Printed: April 5, 2026