Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Szkandera, J; Absenger, G; Pichler, M; Stotz, M; Langsenlehner, T; Samonigg, H; Renner, W; Gerger, A.
Association of common gene variants in vitamin D modulating genes and colon cancer recurrence.
J Cancer Res Clin Oncol. 2013; 139(9):1457-1464
Doi: 10.1007/s00432-013-1461-x
Web of Science
PubMed
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FullText_MUG
- Führende Autor*innen der Med Uni Graz
- Gerger Armin
- Szkandera Joanna
- Co-Autor*innen der Med Uni Graz
- Absenger Gudrun
- Langsenlehner Tanja
- Pichler Martin
- Renner Wilfried
- Samonigg Hellmut
- Stotz Michael
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- Abstract:
- Low concentrations of 25-hydroxyvitamin D3 (25(OH)D) have been associated with increased risk and poor prognosis of various cancer types, including colon cancer. Common genetic variants in genes that influence circulating 25(OH)D levels may affect vitamin D concentrations and risk of vitamin D insufficiency. In the present study, we investigated the association of three functional gene variants in GC (rs2282679 T > G), DHCR7 (rs12785878 G > T) and CYP2R1 (rs10741657 A > G) with time to recurrence (TTR) in patients with stages II and III colon cancer. Two hundred and sixty-four patients were included in this retrospective study. Genomic DNA was genotyped for GC rs2282679 T > G, DHCR7 rs12785878 G > T and CYP2R1 rs10741657 A > G by 5'-exonuclease (TaqMan (TM)) technology. In the univariate analysis, GC rs2282679 GG was significantly associated with decreased TTR (HR = 3.30, 95 % CI 1.09-9.97, p = 0.034) in patients with surgery alone and remained significantly associated in multivariate analysis including lymph node involvement and clinical stage (HR = 3.64, 95 % CI 1.16-11.46, p = 0.027). In patients with adjuvant chemotherapy, GC rs2282679 T > G was not significantly associated with TTR (HR = 1.02, 95 % CI 0.44-2.37, p = 0.964). Furthermore, we observed a trend toward decreased TTR in patients harboring the CYP2R1 rs10741657 A > G gene variant including all patients (HR = 1.50, 95 % CI 0.98-2.28, p = 0.060). No association was found between DHCR7 rs12785878 G > T and TTR in our study cohort. In conclusion, our results may indicate a prognostic effect of GC rs2282679 in stages II and III colon cancer patients with surgery alone. Larger studies have to be performed to validate our findings.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Aged -
- Aged, 80 and over -
- Cholestanetriol 26-Monooxygenase - genetics
- Colonic Neoplasms - genetics Colonic Neoplasms - pathology Colonic Neoplasms - therapy
- DNA, Neoplasm - genetics
- Female -
- Follow-Up Studies -
- Humans -
- Male -
- Middle Aged -
- Neoplasm Grading -
- Neoplasm Recurrence, Local - diagnosis Neoplasm Recurrence, Local - genetics Neoplasm Recurrence, Local - therapy
- Neoplasm Staging -
- Oxidoreductases Acting on CH-CH Group Donors - genetics
- Polymerase Chain Reaction -
- Polymorphism, Single Nucleotide - genetics
- Prognosis -
- Retrospective Studies -
- Time Factors -
- Tumor Markers, Biological - genetics
- Viral Envelope Proteins - genetics
- Vitamin D - metabolism
- Find related publications in this database (Keywords)
- Colon cancer
- Vitamin D
- Gene variants