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Meta-Analysis
. 2025 Mar 15;40(1):61-70.
doi: 10.1093/mutage/geae012.

A pleiotropy scan to discover new susceptibility loci for pancreatic ductal adenocarcinoma

Matteo Giaccherini  1 Mariaconcetta Rende  1 Manuel Gentiluomo  1 Chiara Corradi  1 Livia Archibugi  2   3 Stefano Ermini  4 Evaristo Maiello  5 Luca Morelli  6 Casper H J van Eijck  7 Giulia Martina Cavestro  8 Marton Schneider  9 Antanas Mickevicius  10 Kestutis Adamonis  11 Daniela Basso  12 Viktor Hlavac  13 Domenica Gioffreda  14 Renata Talar-Wojnarowska  15 Ben Schöttker  16   17 Martin Lovecek  18 Giuseppe Vanella  2   3 Maria Gazouli  19 Miyuki Uno  20 Ewa Malecka-Wojciesko  15 Pavel Vodicka  21   22 Mara Goetz  23 Marteen F Bijlsma  24   25 Maria Chiara Petrone  3 Francesca Bazzocchi  26 Mindaugas Kiudelis  10 Andrea Szentesi  27   28   29   30 Silvia Carrara  31 Gennaro Nappo  32   33 Hermann Brenner  16   34   35 Anna Caterina Milanetto  12 Pavel Soucek  13 Verena Katzke  36 Giulia Peduzzi  1 Cosmeri Rizzato  1 Claudio Pasquali  12 Xuechen Chen  16   37 Gabriele Capurso  2   3 Thilo Hackert  9 Bas Bueno-de-Mesquita  38 Faik G Uzunoglu  23 Peter Hegyi  27   28   29   39 William Greenhalf  40 George E Theodoropoulos  41 Cosimo Sperti  12 Francesco Perri  14 Martin Oliverius  42 Andrea Mambrini  43 Francesca Tavano  14 Riccardo Farinella  1 Paolo Giorgio Arcidiacono  3 Maurizio Lucchesi  43 Stefania Bunduc  27   29   39   44   45 Juozas Kupcinskas  11 Gregorio Di Franco  6 Hannah Stocker  16   17 John P Neoptolemos  9 Franco Bambi  4 Krzysztof Jamroziak  46 Sabrina G G Testoni  3 Mateus N Aoki  47 Beatrice Mohelnikova-Duchonova  48 Jacob R Izbicki  23 Raffaele Pezzilli  49 Rita T Lawlor  50 Emanuele F Kauffmann  51 Evangelina López de Maturana  52 Nuria Malats  52 Federico Canzian  53 Daniele Campa  1
Affiliations
Meta-Analysis

A pleiotropy scan to discover new susceptibility loci for pancreatic ductal adenocarcinoma

Matteo Giaccherini et al. Mutagenesis. .

Abstract

Pleiotropic variants (i.e. genetic polymorphisms influencing more than one phenotype) are often associated with cancer risk. A scan of pleiotropic variants was successfully conducted 10 years ago in relation to pancreatic ductal adenocarcinoma susceptibility. However, in the last decade, genetic association studies performed on several human traits have greatly increased the number of known pleiotropic variants. Based on the hypothesis that variants already associated with a least one trait have a higher probability of association with other traits, 61 052 variants reported to be associated by at least one genome-wide association study with at least one human trait were tested in the present study consisting of two phases (discovery and validation), comprising a total of 16 055 pancreatic ductal adenocarcinoma (PDAC) cases and 212 149 controls. The meta-analysis of the two phases showed two loci (10q21.1-rs4948550 (P = 6.52 × 10-5) and 7q36.3-rs288762 (P = 3.03 × 10-5) potentially associated with PDAC risk. 10q21.1-rs4948550 shows a high degree of pleiotropy and it is also associated with colorectal cancer risk while 7q36.3-rs288762 is situated 28,558 base pairs upstream of the Sonic Hedgehog (SHH) gene, which is involved in the cell-differentiation process and PDAC etiopathogenesis. In conclusion, none of the single nucleotide polymorphisms (SNPs) showed a formally statistically significant association after correction for multiple testing. However, given their pleiotropic nature and association with various human traits including colorectal cancer, the two SNPs showing the best associations with PDAC risk merit further investigation through fine mapping and ad hoc functional studies.

Keywords: genetic susceptibility; pancreatic cancer; pleiotropy; single nucleotide polymorphism.

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