Coding variants in NOD-like receptors: An association study on risk and survival of colorectal cancer

Stefanie Huhn, Miguel I. Da Silva Filho, Tharmila Sanmuganantham, Tica Pichulik, Calogerina Catalano, Barbara Pardini, Alessio Naccarati, Veronika Polakova-vymetálkova, Katerina Jiraskova, Ludmila Vodickova, Pavel Vodicka, Markus W. Löffler, Lioba Courth, Jan Wehkamp, Farhat V. N. Din, Maria Timofeeva, Susan M. Farrington, Lina Jansen, Kari Hemminki, Jenny Chang-claudeHermann Brenner, Michael Hoffmeister, Malcolm G. Dunlop, Alexander N. R. Weber, Asta Försti, Aamir Ahmad (Editor)

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Nod-like receptors (NLRs) are important innate pattern recognition receptors and regulators of inflammation or play a role during development. We systematically analysed 41 non-synonymous single nucleotide polymorphisms (SNPs) in 21 NLR genes in a Czech discovery cohort of sporadic colorectal cancer (CRC) (1237 cases, 787 controls) for their association with CRC risk and survival. Five SNPs were found to be associated with CRC risk and eight with survival at 5% significance level. In a replication analysis using data of two large genome-wide association studies (GWASs) from Germany (DACHS: 1798 cases and 1810 controls) and Scotland (2210 cases and 9350 controls) the associations found in the Czech discovery set were not confirmed. However, expression analysis in human gut-related tissues and immune cells revealed that the NLRs associated with CRC risk or survival in the discovery set were expressed in primary human colon or rectum cells, CRC tissue and/or cell lines, providing preliminary evidence for a potential involvement of NLRs in general in CRC development and/or progression. Most interesting was the finding that the enigmatic development-related NLRP5 (also known as MATER) was not expressed in normal colon tissue but in colon cancer tissue and cell lines. Future studies may show whether regulatory variants instead of coding variants might affect the expression of NLRs and contribute to CRC risk and survival.
Original languageEnglish
Pages (from-to)e0199350
JournalPLoS ONE
Issue number6
Early online date21 Jun 2018
Publication statusE-pub ahead of print - 21 Jun 2018


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