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Accession IconGSE106813

Genome-wide analysis of PDX1 target genes in human pancreatic progenitors [expression profiling]

Organism Icon Homo sapiens
Sample Icon 4 Downloadable Samples
Technology Badge Icon Affymetrix Human Gene 2.0 ST Array (hugene20st)

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Description
Objective: Homozygous loss-of-function mutations in the gene coding for the homeobox transcription factor (TF) PDX1 leads to pancreatic agenesis, whereas heterozygous mutations can cause Maturity-Onset Diabetes of the Young 4 (MODY4). Although the function of Pdx1 is well studied in pre-clinical models during insulin-producing -cell development and homeostasis, it remains elusive how this TF controls human pancreas development by regulating a downstream transcriptional program. Furthermore, many studies reported the association between single nucleotide polymorphisms (SNPs) and T2DM and it has been shown that islet enhancers are enriched in T2DM-associated SNPs. Whether regions, harboring T2DM-associated SNPs are PDX1 bound and active at the pancreatic progenitor stage has not been reported so far.
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