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Clusters of conserved Beta cell marker genes for assessment of Beta cell phenotype.

par Martens, Geert A;Jiang, Lei;Hellemans, Karine H;Stangé, Geert;Heimberg, Harry;Nielsen, Finn C;Sand, Olivier ;van Helden, Jacques ;Gorus, Frans K;Pipeleers, Daniel
Référence PloS one, 6, 9, page (e24134)
Publication Publié, 2011

Article révisé par les pairs

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Résumé :

The aim of this study was to establish a gene expression blueprint of pancreatic beta cells conserved from rodents to humans and to evaluate its applicability to assess shifts in the beta cell differentiated state. Genome-wide mRNA expression profiles of isolated beta cells were compared to those of a large panel of other tissue and cell types, and transcripts with beta cell-abundant and -selective expression were identified. Iteration of this analysis in mouse, rat and human tissues generated a panel of conserved beta cell biomarkers. This panel was then used to compare isolated versus laser capture microdissected beta cells, monitor adaptations of the beta cell phenotype to fasting, and retrieve possible conserved transcriptional regulators.