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Whole kidneys at embryonic day 16.5: wildtype (WT) vs. conditional Dot1-knockout (KO) from Six2-positive nephron progenitor cells (NPC)

ABSTRACT: Transcriptional profiling of whole kidneys from Six2CreEGFP mice without (WT) or with (KO) homozygously floxed DOT1 alleles at the age of embryonic day 16.5. This experiment aimed to uncover the genome-wide alternation in gene expression resulting from the removal of DOT1 gene in the nephron progenitor population (Six2 positive) and successive changes to the series of events in kidney development.

ORGANISM(S): Mus musculus

PROVIDER: GSE110928 | GEO | 2019/12/31

REPOSITORIES: GEO

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Whole kidneys at embryonic day 16.5: wildtype (WT) vs. conditional Dot1-knockout (KO) from Six2-positive nephron progenitor cells (NPC)

Project description:Whole kidneys at embryonic day 16.5: wildtype (WT) vs. conditional Dot1-knockout (KO) from Six2-positive nephron progenitor cells (NPC)

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Whole kidneys at embryonic day 17.5: wildtype (WT) vs. various combinations of the conditional homozygous Ezh2-knockout (Ezh2-KO) from Six2-positive nephron progenitor cells (NPC) and/or germline Ezh1-knockout (Ezh1-KO)

Project description:Transcriptional profiling of whole kidneys from Six2CreEGFP mice without (WT) or with (KO) homozygously floxed Ezh2 alleles at the age of embryonic day 17.5. This experiment aimed to uncover the genome-wide alternation in gene expression resulting from the removal of Ezh2 gene in the nephron progenitor population (Six2 positive) in combination with the removal of Ezh1 gene from germline, and successive changes to the series of events in kidney development.

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Project description:Nephron progenitors in the embryonic kidney propagate while generating differentiated nephrons. However, the progenitors in mice terminally differentiate shortly after birth. We defined culture conditions to selectively propagated nephron progenitors in vitro in an undifferentiated state. To understand how expression profiles of Six2+ cells changed during culture in vitro compared with in vivo, we performed microarray analysis of Six2+ cells at E11.5 (starting material) and P0 (experiencing 8 days in vivo), and cultured Six2+ cells at E11.5 for 8 days or 19 days. Microarray analysis were performed with isolated Six2-positive nephron progenitors from transgenic mice embryo at E11.5 or P0, and cultured E11.5 Six2+ cells for 8 or 19 days in conditioned media. P0 non-progenitors represent Six2-GFP-negative cells at P0.

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