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Träfflista för sökning "WFRF:(Schafmayer Clemens) srt2:(2014)"

Sökning: WFRF:(Schafmayer Clemens) > (2014)

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1.
  • Wang, Hui, et al. (författare)
  • A coding IRAK2 variant compromises TLR signaling and is associated with colorectal cancer survival.
  • 2014
  • Ingår i: Journal of Biological Chemistry. - ASBMB. - 1083-351X. ; 289:33, s. 23123-23131
  • Tidskriftsartikel (refereegranskat)abstract
    • Within innate immune signaling pathways, Interleukin-1 receptor (IL-1R&)-associated kinases (IRAKs) fulfill key roles downstream of multiple Toll-like receptors (TLR) and the IL-1R. Whereas human IRAK4-deficiency was shown to lead to severe immunodeficiency in response to pyogenic bacterial infection during childhood, little is known about the role of human IRAK2. We here identified a non-synonymous IRAK2 variant, rs35060588 (coding R214G), as hypofunctional in terms of NF-κB signaling and TLR-mediated cytokine induction. This was due to reduced ubiquitination of TRAF6, a key step in signal transduction. IRAK2 rs35060588 occurs in 3-9% of individuals in different ethnic groups and our studies uncovered a significant genetic association of rs35060588 with colorectal cancer survival. This for the first time firmly implicates human IRAK2 in human disease and highlights the R214G IRAK2 variant as a potential novel and broadly applicable biomarker for disease or as a therapeutic intervention point.
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2.
  • Yang, Rongxi, et al. (författare)
  • Genome-wide analysis associates familial colorectal cancer with increases in copy number variations and a rare structural variation at 12p12.3
  • 2014
  • Ingår i: Carcinogenesis. - Oxford University Press. - 0143-3334. ; 35:2, s. 315-323
  • Tidskriftsartikel (refereegranskat)abstract
    • Colorectal cancer (CRC) is one of the most common cancer worldwide. However, a large number of genetic risk factors involved in CRC have not been understood. Copy number variations (CNVs) might partly contribute to the missing heritability of CRC. An increased overall burden of CNV has been identified in several complex diseases, whereas the association between the overall CNV burden and CRC risk is largely unknown. We performed a genome-wide investigation of CNVs on genomic DNA from 384 familial CRC cases and 1285 healthy controls by the Affymetrix 6.0 array. An increase of overall CNV burden was observed in familial CRC patients compared with healthy controls, especially for CNVs larger than 50kb (case/control ratio 1.66, P 0.025). In addition, we discovered for the first time a novel structural variation at 12p12.3 and determined the breakpoints by strategic PCR and sequencing. This 12p12.3 structural variation was found in four of 2862 CRC cases but not in 6243 healthy controls (P 0.0098). RERGL gene (RERG/RAS-like), the only gene influenced by the 12p12.3 structural variation, sharing most of the conserved regions with its close family member RERG tumor suppressor gene (RAS-like, estrogen-regulated, growth inhibitor), might be a novel CRC-related gene. In conclusion, this is the first study to reveal the contribution of the overall burden of CNVs to familial CRC risk and identify a novel rare structural variation at 12p12.3 containing RERGL gene to be associated with CRC.
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