Human Gene Set: CUI_TCF21_TARGETS_2_DN

For the Mouse gene set with the same name, see CUI_TCF21_TARGETS_2_DN

Standard name CUI_TCF21_TARGETS_2_DN
Systematic name M1533
Brief description All significantly down-regulated genes in kidney glomeruli isolated from TCF21 [GeneID=6943] knockout mice.
Full description or abstract Mouse mutations have provided tremendous insights into the molecular basis of renal and glomerular development. However, genes often play important roles during multiple stages of nephrogenesis, making it difficult to determine the role of a gene in a specific cell lineage such as the podocyte. Conditional gene targeting and chimeric analysis are two possible approaches to dissect the function of genes in specific cell populations. However, these are labor-intensive and costly and require the generation, validation, and analysis of additional transgenic lines. For overcoming these shortcomings and, specifically, for studying the role of gene function in developing glomeruli, a technique to isolate and purify glomeruli from murine embryos was developed. Combined with gene expression profiling, this method was used to identify differentially expressed genes in glomeruli from Pod1 knockout (KO) mice that die in the perinatal period with multiple renal defects. Glomeruli from early developing stages (late S-shape/early capillary loop) onward can be isolated successfully from wild-type and KO kidneys at 18.5 d postcoitus, and RNA can readily be obtained and used for genome-wide microarray analysis. With this approach, 3986 genes that are differently expressed between glomeruli from Pod1 KO and wild-type mice were identified, including a four-fold reduction of alpha 8 integrin mRNA in glomeruli from Pod1 KO mice that was confirmed by immunostaining. This procedure may be adapted to any transgenic strain, providing a rapid and efficient method to dissect the function of specific genes in glomerular development.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 16207825   Authors: Cui S,Li C,Ema M,Weinstein J,Quaggin SE
Exact source Appendix 1A
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Source species Mus musculus
Contributed by John Newman (University of Washington)
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identifier namespace		 AFFY_Mouse430
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Version history 3.1: First introduced

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