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Association study on IL-4, IL-4Rα and IL-13 genetic polymorphisms in Swedish patients with colorectal cancer
Department of Laboratory Medicine, Region Jönköping County, Jönköping, Sweden.
Department of Laboratory Medicine, Division of Clinical Microbiology, Region Jönköping County, Jönköping, Sweden.
Depatment of Surgery, Region Jönköping County, Jönköping, Sweden.
Division of Drug Research, Department of Medicine and Health Sciences Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden.
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2018 (English)In: Clinica Chimica Acta, ISSN 0009-8981, E-ISSN 1873-3492, Vol. 487, p. 101-106Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Interleukin 4 (IL-4) and interleukin 13 (IL-13) are anti-inflammatory and immunomodulatory cytokines which share a common cellular receptor IL4Rα and are involved in the same signaling pathways. Our purpose was to assess whether genetic variants within IL-4, IL-13 and IL-4Rα are associated with the risk or clinical outcome of colorectal cancer (CRC).

METHODS: Three single nucleotide polymorphisms (SNPs) were screened in 466 patients with CRC and 445 healthy controls. The selected SNPs were IL-4 SNP rs2243250, IL-4Rα SNP rs1801275 and IL-13 SNP rs1800925.

RESULTS: We found that the genotype variant T/T in IL-13 gene was associated with a higher risk of CRC. Kaplan-Meier analysis showed that the cancer specific survival differed between C/C and CT + TT for IL-4 SNP. Moreover, the carriers of the T allele were associated with the highest risk of CRC death with a hazard ratio (HR) of 1.57, 95% CI 1.06-2.36, p = .024. The observed effect of the T allele was restricted to stage III patients.

CONCLUSION: Our results indicate IL-13 SNP rs1800925 as a risk factor for CRC and that IL-4 SNP rs2243250 could be a useful prognostic marker in the follow-up and clinical management of patients with CRC especially in stage III disease.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 487, p. 101-106
Keywords [en]
Colorectal cancer, IL-13, IL-4, IL-4Rα, SNP
National Category
Cancer and Oncology
Identifiers
URN: urn:nbn:se:hj:diva-41571DOI: 10.1016/j.cca.2018.09.024ISI: 000451491300018PubMedID: 30227113Scopus ID: 2-s2.0-85053800502OAI: oai:DiVA.org:hj-41571DiVA, id: diva2:1250923
Available from: 2018-09-25 Created: 2018-09-25 Last updated: 2019-02-01Bibliographically approved

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