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Second, we will integrate the 3D epigenomic datasets with medical genetics resources to gain insights into cell types, genomic loci, and biological pathways that are causal to diseases, link GWAS SNPs with their target genes. Third, to establish cell-type-specific functional links between chromatin loops and target gene expression, we will test the biological consequences of distal regulatory regions interacting with promoters in iPSC models and primary cells. 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