Search: WFRF:(Salimzadeh Hamideh)
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Association of DNA ...
Association of DNA repair gene variants with colorectal cancer: risk, toxicity, and survival
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- Salimzadeh, Hamideh, 1975 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery
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- Bexe-Lindskog, Elinor (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery
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- Gustavsson, Bengt, 1947 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery
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- Wettergren, Yvonne, 1957 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery
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- Ljungman, David (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery
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(creator_code:org_t)
- 2020-05-12
- 2020
- English.
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In: Bmc Cancer. - : Springer Science and Business Media LLC. - 1471-2407. ; 20:1
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https://bmccancer.bi...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Subject headings
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- BackgroundSingle nucleotide polymorphisms (SNPs) in DNA repair genes have a potential clinical value in predicting treatment outcomes. In the current study, we examined the association of SNPs in the genes XRCC1-rs25487, ERCC1-rs11615, ERCC2-rs238406, and ERCC2-rs13181 with colorectal cancer (CRC) risk, relapse-free survival (RFS), overall survival (OS), and toxicity during chemotherapy.MethodsSNPs were analysed in 590 CRC cases and 300 controls using TaqMan technology. The association of SNPs with CRC risk and toxicity during chemotherapy was analysed using Chi2 test. The Kaplan-Meier method and log-rank test was used to measure the effects of the SNPs on RFS and OS.ResultsThe CC genotype of ERCC2-rs238406 and the ERCC2-rs13181 C allele were associated with a significantly increased risk of CRC. The ERCC1-rs11615 genotype T/T was associated with stomatitis in adjuvant chemotherapy (p=0.03). Also, more patients with the ERCC2-rs13181 C allele needed dose reduction compared to patients with the A/A genotype (p=0.02). In first line chemotherapy, more patients with the ERCC1-rs11615 C allele suffered from nausea compared to those with the T/T genotype (p=0.04) and eye reactions and thrombocytopenia were more common in patients with the ERCC2-rs13181 C allele compared to the A/A genotype (p=0.006 and p=0.004, respectively). ERCC2- rs238406 C/C was also associated with a higher frequency of thrombocytopenia (p=0.03). A shorter 5-year OS was detected in stage I & II CRC patients with the ERCC2- rs238406 C allele (p=0.02). However, there was no significant association between the SNPs and 5-year RFS.ConclusionsBoth SNPs in ERCC2 were associated with risk of CRC as well as toxicity during first line treatment. In addition, ERCC2- rs238406 was linked to OS in early stage CRC. The ERCC1-rs11615 variant was associated with toxicity during adjuvant chemotherapy. The results add support to previous findings that SNPs in ERCC1 and ERCC2 have a prognostic and predictive value in clinical management of CRC.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- XRCC1
- ERCC1
- ERCC2
- Colorectal cancer
- Toxicity
- single nucleotide polymorphisms
- oxaliplatin-based chemotherapies
- adjuvant chemotherapy
- xpd polymorphisms
- colon-cancer
- stage-ii
- xrcc1
- ercc1
- fluorouracil
- leucovorin
- Oncology
Publication and Content Type
- ref (subject category)
- art (subject category)
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