Differential Gene Expression between Han Chinese and Japanese

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Differential Gene Expression between Han Chinese and Japanese Yuan Yuan Prof. Shuhua Xu’s group Population genomic group PICB

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Differential Gene Expression between Han Chinese and Japanese. Yuan Yuan Prof . Shuhua Xu’s group Population genomic group PICB. Chinese and Japanese are very similar in phenotype. Expression variation among Chinese and Japanese individuals. - PowerPoint PPT Presentation

Transcript of Differential Gene Expression between Han Chinese and Japanese

Page 1: Differential Gene Expression between Han Chinese and Japanese

Differential Gene Expression between Han Chinese and Japanese

Yuan YuanProf. Shuhua Xu’s group

Population genomic groupPICB

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Chinese and Japanese are very similar in phenotype.

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Expression variation among Chinese and Japanese individuals

Differentlyexpressed

Illumina's commercial whole genome expression array, Sentrix Human-6 Expression BeadChip version 2 These arrays utilize a bead pool with ~48,000 unique bead types Each with several hundred thousand gene-specific 50mer probes attached.

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Genome locations of 768 DE genes

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Functional enrichment of 768 DE genes

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Identify local (Cis) and distant (Trans) genetic regulators that associate with gene expression difference

Population

Cis: # genes(snps)

Trans: # genes(snps)

CHB 39 (306) 271 (4544)

JPT 68 (648) 92 (1216)

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Distribution of cis-associations(SNPs) relative to the transcription start site (TSS)

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Genetic contributions to total expression variation for 11 cis-genes

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Cis-gene vs GWAS trait

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CTSS vs cis-SNPs

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Acknowledgment

Dr. Shuhua Xu

Yang ling, Lu dongsheng, Shi meng, Lou haiyi

Jin wenfei, Pankaj

All in population genomics group