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Although autosomal dominant polycystic kidney disease is transmitted in an autosomal dominant fashion, there is evidence that the pathophysiology of cystogenesis involves a second hit somatic mutation superimposed upon the inherited germline mutation within the renal tubule cells. The polypurine.polypyrimidine (Pu.Py) tract of PKD1 intron 21 may play a role(More)
Autosomal dominant polycystic kidney disease (ADPKD) affects over 500 000 Americans. Eighty-five percent of these patients have mutations in the PKD1 gene. The focal nature of cyst formation has recently been attributed to innate instability in the PKD1 gene. Intron 21 of this gene contains the largest polypurine. polypyrimidine tract (2.5 kb) identified to(More)
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