For the Mouse gene set with the same name, see PIONTEK_PKD1_TARGETS_UP

Systematic name M1879
Brief description Genes up-regulated during later stages of renal maturation (days P14-P16) in kidney specific knockout of PKD1 [GeneID=5310].
Full description or abstract Autosomal dominant polycystic kidney disease is an important cause of end-stage renal disease, for which there is no proven therapy. Mutations in PKD1 (the gene encoding polycystin-1) are the principal cause of this disease. The disease begins in utero and is slowly progressive, but it is not known whether cystogenesis is an ongoing process during adult life. We now show that inactivation of Pkd1 in mice before postnatal day 13 results in severely cystic kidneys within 3 weeks, whereas inactivation at day 14 and later results in cysts only after 5 months. We found that cellular proliferation was not appreciably higher in cystic specimens than in age-matched controls, but the abrupt change in response to Pkd1 inactivation corresponded to a previously unrecognized brake point during renal growth and significant changes in gene expression. These findings suggest that the effects of Pkd1 inactivation are defined by a developmental switch that signals the end of the terminal renal maturation process. Our studies show that Pkd1 regulates tubular morphology in both developing and adult kidney, but the pathologic consequences of inactivation are defined by the organ's developmental status. These results have important implications for clinical understanding of the disease and therapeutic approaches.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 17965720   Authors: Piontek K,Menezes LF,Garcia-Gonzalez MA,Huso DL,Germino GG
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Source species Mus musculus
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