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Accession IconSRP077058

Propargite, an environmental chemical, interacts with GWAS identified diabetes genes to impact human pancreatic ß-cell death [propargite treatment]

Organism Icon Homo sapiens
Sample Icon 4 Downloadable Samples
Technology Badge IconIllumina HiSeq 2500

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Description
This paper describes the first time a high-content environmental chemicals screen using pancreatic ß-like cells derived from human pluripotent stem cells (hPSCs), and discovered that a commonly used pesticide, propargite, induces pancreatic ß-cell DNA damage and necrosis. More interestingly, we found out the genetic background of ß-like cells affects their response to propargite-induced toxicity, based on isogenic hPSC platform, including for variants GWAS identified associated with T1D, since isogenic GSTT1-/- and PTPN2-/- pancreatic ß-like cells are hypersensitive to propargite-induced ß-cell death both in vitro and in vivo. In summary, our study identified an environmental chemical that contributes to the loss of ß-cells and provides an innovative platform for using hPSC-derived cells to explore gene-environment interactions that impact diabetes disease progression. Overall design: RNA-seq was used to compare the gene expression in DMSO, DMSO+GSH, Propargite and Propargite+GSH treated hESC derived INS-GFP+ cells.
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4
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