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An adult-restricted clock component links circadian rhythms to pancreatic Beta-cell maturation

ABSTRACT: Single cells from mouse pancreas stem cell differentiation, two conditions one WT and Dec1 gene KO

INSTRUMENT(S): Q Exactive

ORGANISM(S): Mus Musculus (ncbitaxon:10090)

SUBMITTER: Juan Alvarez Nikolai Slavov

PROVIDER: MSV000092610 | MassIVE | Mon Aug 07 05:37:00 BST 2023

REPOSITORIES: MassIVE

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Glis3 regulates pancreatic beta cells development and maturation

Project description:Glis3 is expressed in pancreatic beta and PP cells. To identify down stream target genes of Glis3, we performed microarray analysis using pancreas total RNAs from 1 week-old WT and Glis3KO2 mice. insulin and pancreatic polypeptide (Ppy) was significantly decreased together with several other Î² cell markers, Glut2 and MafA by microarray analysis. Immunohistochemistry, QRT-PCR, and transmission electron microscopy indicated that postnatal Glis3KO2 pancreas still contains a large population of Î² cells that express Pdx-1, Nkx6.1, and Isl-1; however, insulin production and secretory granules were greatly reduced in these cells. In addition, chromogranin A (ChgA) and Urocortin 3, which are associated with mature Î² cells, was dramatically decreased in Glis3KO2 pancreas. These observations suggest that Glis3 plays a critical role in the maturation of pancreatic Î² cell phenotype. Pancreatic total RNAs were purified from 4 WT and 4 Glis3KO2 at 1 week old age. Then the samples were applied to Agilent mouse genome chip.

2016-07-01 | E-GEOD-67238 | biostudies-arrayexpress