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Chunk #6 — RESULTS — Genome-wide CNV analyses

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Novel common copy number variation for early onset extreme obesity on chromosome 11q11 identified by a genome-wide analysis.
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We observed 244 autosomal common CNVRs; out of which 240 were at least partially listed in the Database of Genomic Variants (http://projects.tcag.ca/variation). The four yet-unknown CNVRs are positioned on chromosomes 1q25.1 (at position 173 063 167–173 068 476 bp, hg18), 3p12.1 (84 782 436–84 784 839 bp; hg18), 4q27 (122 501 906–122 504 445 bp; hg18) and 14q11.1 (18 072 112–18 183 975 bp; hg18). With an average and median size of 183.92 and 13.97 kb, respectively, these 244 common CNVRs cover 1.56% (44.88 Mb) of the human genome (Table 1). Table 1.Basic properties of all 244 inferred common CNVRs in our two discovery GWAS (family-based and case–control) samplesChromosomeTotal number of CNVRsMinimal size of CNVRs (kb)Median size of CNVRs (kb)Mean size of CNVRs (kb)Maximal size of CNVRs (kb)Minimal number of CNV markers per CNVRMedian number of CNV markers per CNVRMean number of CNV markers per CNVRMaximal number of CNV markers per CNVR1231.45117.51597.760775.51932939.71872172.15410.18347.467386.72772334.61583162.23011.59537.124212.42633734.6764231.6197.54054.584504.75232024.4915112.5207.656151.5291440.27661818.9526124.13718.42333.696123.82232233.21067180.18312.63234.166170.72132121.8448180.2028.552105.523829.94232337.81889102.33377.9102514.87820 528.86931235.615610130.22810.488106.870570.60932733.71611159.68221.76031.97779.570154640.65812131.7395.99425.991115.56342222.1411360.2549.28710.32120.136417.518.73714819.88252.329173.0451007.047918.537.514715114.29043.871220.1621768.49132159.737116812.35135.853298.6881778.141524.570.92831769.93383.082148.805585.26652638.71291851.2243.0843.4166.48941917.0251990.57012.38142.795165.48441322.1622023.04919.86719.86736.685264444.0622143.38925.75082.108273.5414924.5762261.67543.80671.533204.48032221.5371-222440.18313.969183.91920 528.86932233.0371