RGD Reference Report - Consortium analysis of 7 candidate SNPs for ovarian cancer. - Rat Genome Database

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Consortium analysis of 7 candidate SNPs for ovarian cancer.

Authors: Ramus, SJ  Vierkant, RA  Johnatty, SE  Pike, MC  Van Den Berg, DJ  Wu, AH  Pearce, CL  Menon, U  Gentry-Maharaj, A  Gayther, SA  Dicioccio, RA  McGuire, V  Whittemore, AS  Song, H  Easton, DF  Pharoah, PD  Garcia-Closas, M  Chanock, S  Lissowska, J  Brinton, L  Terry, KL  Cramer, DW  Tworoger, SS  Hankinson, SE  Berchuck, A  Moorman, PG  Schildkraut, JM  Cunningham, JM  Liebow, M  Kjaer, SK  Hogdall, E  Hogdall, C  Blaakaer, J  Ness, RB  Moysich, KB  Edwards, RP  Carney, ME  Lurie, G  Goodman, MT  Wang-Gohrke, S  Kropp, S  Chang-Claude, J  Webb, PM  Chen, X  Beesley, J  Chenevix-Trench, G  Goode, EL  Chenevix-Trench, G  Goode, EL   
Citation: Ramus SJ, etal., Int J Cancer. 2008 Jul 15;123(2):380-8. doi: 10.1002/ijc.23448.
RGD ID: 9068468
Pubmed: PMID:18431743   (View Abstract at PubMed)
PMCID: PMC2667795   (View Article at PubMed Central)
DOI: DOI:10.1002/ijc.23448   (Journal Full-text)

The Ovarian Cancer Association Consortium selected 7 candidate single nucleotide polymorphisms (SNPs), for which there is evidence from previous studies of an association with variation in ovarian cancer or breast cancer risks. The SNPs selected for analysis were F31I (rs2273535) in AURKA, N372H (rs144848) in BRCA2, rs2854344 in intron 17 of RB1, rs2811712 5' flanking CDKN2A, rs523349 in the 3' UTR of SRD5A2, D302H (rs1045485) in CASP8 and L10P (rs1982073) in TGFB1. Fourteen studies genotyped 4,624 invasive epithelial ovarian cancer cases and 8,113 controls of white non-Hispanic origin. A marginally significant association was found for RB1 when all studies were included [ordinal odds ratio (OR) 0.88 (95% confidence interval (CI) 0.79-1.00) p = 0.041 and dominant OR 0.87 (95% CI 0.76-0.98) p = 0.025]; when the studies that originally suggested an association were excluded, the result was suggestive although no longer statistically significant (ordinal OR 0.92, 95% CI 0.79-1.06). This SNP has also been shown to have an association with decreased risk in breast cancer. There was a suggestion of an association for AURKA, when one study that caused significant study heterogeneity was excluded [ordinal OR 1.10 (95% CI 1.01-1.20) p = 0.027; dominant OR 1.12 (95% CI 1.01-1.24) p = 0.03]. The other 5 SNPs in BRCA2, CDKN2A, SRD5A2, CASP8 and TGFB1 showed no association with ovarian cancer risk; given the large sample size, these results can also be considered to be informative. These null results for SNPs identified from relatively large initial studies shows the importance of replicating associations by a consortium approach.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
BRCA2Humanovarian cancer no_associationIAGP DNA:SNP:cds:p.N372H (rs144848)(human)RGD 
Brca2Ratovarian cancer no_associationISOBRCA2 (Homo sapiens)DNA:SNP:cds:p.N372H (rs144848)(human)RGD 
Brca2Mouseovarian cancer no_associationISOBRCA2 (Homo sapiens)DNA:SNP:cds:p.N372H (rs144848)(human)RGD 

Objects Annotated

Genes (Rattus norvegicus)
Brca2  (BRCA2, DNA repair associated)

Genes (Mus musculus)
Brca2  (breast cancer 2, early onset)

Genes (Homo sapiens)
BRCA2  (BRCA2 DNA repair associated)


Additional Information