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Träfflista för sökning "WFRF:(Kontham Vinaykumar) "

Sökning: WFRF:(Kontham Vinaykumar)

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1.
  • Jiao, Xiang, et al. (författare)
  • PHIP - a novel candidate breast cancer susceptibility locus on 6q14.1
  • 2017
  • Ingår i: Oncotarget. - : IMPACT JOURNALS LLC. - 1949-2553. ; 8:61, s. 102769-102782
  • Tidskriftsartikel (refereegranskat)abstract
    • Most non-BRCA1/2 breast cancer families have no identified genetic cause. We used linkage and haplotype analyses in familial and sporadic breast cancer cases to identify a susceptibility locus on chromosome 6q. Two independent genome-wide linkage analysis studies suggested a 3 Mb locus on chromosome 6q and two unrelated Swedish families with a LOD > 2 together seemed to share a haplotype in 6q14.1. We hypothesized that this region harbored a rare high-risk founder allele contributing to breast cancer in these two families. Sequencing of DNA and RNA from the two families did not detect any pathogenic mutations. Finally, 29 SNPs in the region were analyzed in 44,214 cases and 43,532 controls from BCAC, and the original haplotypes in the two families were suggested as low-risk alleles for European and Swedish women specifically. There was also some support for one additional independent moderate-risk allele in Swedish familial samples. The results were consistent with our previous findings in familial breast cancer and supported a breast cancer susceptibility locus at 6q14.1 around the PHIP gene.
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2.
  • Marikkannu, Rajeshwari, et al. (författare)
  • Whole-genome Linkage Analysis and Sequence Analysis of Candidate Loci in Familial Breast Cancer
  • 2015
  • Ingår i: Anticancer Research. - 0250-7005 .- 1791-7530. ; 35:6, s. 3155-3165
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Known breast cancer-predisposing genes account for fewer than 25% of all familial breast cancer cases and further studies are required to find the remaining high-and moderate-risk genes. We set-out to couple linkage analysis using microsatellite marker data and sequence analysis of linked regions in 13 non-BRCA1/2 families in order to find novel susceptibility loci and high-penetrant genes. Materials and Methods: Genotyping with 540 fluorescently-labeled microsatellite markers located on the 23 chromosomes at 7.25 cM resolution was used for primary linkage analysis and an additional 40 markers were used for fine-mapping of loci with a logarithm of odds (LOD) or heterogeneity LOD (HLOD) score greater than one. Whole-exome sequencing data of 28 members from all 13 families were used for the bioinformatics sequence analysis on the linked regions of these families. Results: Linkage analysis identified three loci on chromosome 18q as a putative region of interest (overall LOD=1, HLOD=1.2). Sequencing analysis of the three linked regions on 18q and mutation prediction algorithms did reveal three probable damaging variants. Conclusion: Overall, our study identified three weakly linked loci on 18q and three probable damaging variants of interest in the 13 families with breast cancer.
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