Abstract:
BACKGROUND:Observational studies suggest greater height is associated with increased ovarian cancer risk, but cannot exclude bias and/or confounding as explanations for this. Mendelian randomisation (MR) can provide evidence which may be less prone to bias. METHODS:We pooled data from 39 Ovarian Cancer Association Consortium studies (16,395 cases; 23,003 controls). We applied two-stage predictor-substitution MR, using a weighted genetic risk score combining 609 single-nucleotide polymorphisms. Study-specific odds ratios (OR) and 95% confidence intervals (CI) for the association between genetically predicted height and risk were pooled using random-effects meta-analysis. RESULTS:Greater genetically predicted height was associated with increased ovarian cancer risk overall (pooled-OR (pOR) = 1.06; 95% CI: 1.01-1.11 per 5 cm increase in height), and separately for invasive (pOR = 1.06; 95% CI: 1.01-1.11) and borderline (pOR = 1.15; 95% CI: 1.02-1.29) tumours. CONCLUSIONS:Women with a genetic propensity to being taller have increased risk of ovarian cancer. This suggests genes influencing height are involved in pathways promoting ovarian carcinogenesis.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Dixon-Suen SC,Nagle CM,Thrift AP,Pharoah PDP,Ewing A,Pearce CL,Zheng W,Australian Ovarian Cancer Study Group.,Chenevix-Trench G,Fasching PA,Beckmann MW,Lambrechts D,Vergote I,Lambrechts S,Van Nieuwenhuysen E,Rossing MA,Dodoi
10.1038/s41416-018-0011-3subject
Has Abstractpub_date
2018-04-01 00:00:00pages
1123-1129issue
8eissn
0007-0920issn
1532-1827pii
10.1038/s41416-018-0011-3journal_volume
118pub_type
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journal_title:British journal of cancer
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