Abstract
BackgroundSerrated polyposis syndrome (SPS) is a clinical entity characterised by large and/ormultiple serrated polyps throughout the colon and increased risk for colorectal cancer (CRC). The basis for SPS genetic predisposition is largely unknown. Common, low-penetrance genetic variants have been consistently associated with CRC susceptibility, however, their role in SPS genetic predisposition has not been yet explored.ObjectiveThe aim of this study was to evaluate if common, low-penetrance genetic variants for CRC risk are also implicated in SPS genetic susceptibility.MethodsA case-control study was performed in 219 SPS patients and 548 asymptomatic controls analysing 65 CRC susceptibility variants. A risk prediction model for SPS predisposition was developed.ResultsStatistically significant associations with SPS were found for seven genetic variants (rs4779584-GREM1, rs16892766-EIF3H, rs3217810-CCND2, rs992157-PNKD1/TMBIM1, rs704017-ZMIZ1, rs11196172-TCF7L2, rs6061231-LAMA5). TheGREM1risk allele was remarkably over-represented in SPS cases compared with controls (OR=1.573, 1.21–2.04, p value=0.0006). A fourfold increase in SPS risk was observed when comparing subjects within the highest decile of variants (≥65) with those in the first decile (≤50).ConclusionsGenetic variants for CRC risk are also involved in SPS susceptibility, being the most relevant ones rs4779584-GREM1, rs16892766-EIF3Hand rs3217810-CCND2.
Funder
Fondo de Investigación Sanitaria/FEDER
Instituto de Salud Carlos III
Fundación Científica de la Asociación Española contra el Cáncer
Juan de la Cierva
European Cooperation in Science and Technology
Spanish Ministry of Science, Innovation and Universities
Generalitat de Catalunya
Departament d'Innovació, Universitats i Empresa, Generalitat de Catalunya
”la Caixa” Foundation
Subject
Genetics (clinical),Genetics
Cited by
11 articles.
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