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Single Nucleotide Variants in KIF14 Gene May Have Prognostic Value in Breast Cancer

I. Krus, V. Brynychová, V. Hlaváč, R. Václavíková, M. Kováčová, R. Koževnikovová, K. Kopečková, J. Tornikidis, D. Vrána, J. Gatěk, P. Souček

. 2022 ; 26 (6) : 665-678. [pub] 20221003

Jazyk angličtina Země Nový Zéland

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc22032810
E-zdroje Online Plný text

NLK ProQuest Central od 2008-05-01 do Před 1 rokem
Health & Medicine (ProQuest) od 2008-05-01 do Před 1 rokem

Odkazy

PubMed 36192583
DOI 10.1007/s40291-022-00616-z
Knihovny.cz E-zdroje

INTRODUCTION: Human kinesin 14 (KIF14) is one of the 70 prognostic marker genes (so-called Amsterdam profile) previously identified by the microarray of breast carcinomas, and its high transcript expression in tumor specimens indicates a poor prognosis for patients. We performed a pilot study to explore the prognostic and predictive meaning of KIF14 germline genetic variability in breast cancer patients. METHODS: KIF14 coding sequence, including 5' and 3' untranslated regions and overlaps to introns for identification of splicing sites, was analyzed using next-generation sequencing in the testing set of blood DNA samples from 105 breast cancer patients with clinical follow-up. After rigorous evaluation of major allele frequency, haplotype blocks, in silico predicted functional aspects, expression quantitative trait loci, and clinical associations, eight single nucleotide variants were subsequently validated in the evaluation set of 808 patients. RESULTS: Carriers of minor alleles G (rs17448931) or T (rs3806362) had significantly shorter overall survival than wild type homozygotes (p = 0.010 and p = 0.023, respectively) thus successfully replicating the results of the testing set. Both associations remained significant in the multivariate Cox regression analysis, including molecular subtype and stage as covariates (hazard ratio, HR = 1.7, 95% confidence interval (CI) = 1.1-2.8 for rs17448931 and HR = 1.9, CI 1.2-3.0 for rs3806362). DISCUSSION: In conclusion, our preliminary data suggest that minor alleles in rs17448931 and rs3806362 of KIF14 represent candidate biomarkers of poor prognosis of breast cancer patients. After pending validation in independent populations and eventual functional characterization, these candidates might become useful biomarkers in the clinics.

Citace poskytuje Crossref.org

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