نتایج جستجو برای: pkd1
تعداد نتایج: 895 فیلتر نتایج به سال:
Inflammation and acinar cell necrosis are two major pathological responses of acute pancreatitis, a serious disorder with no current therapies directed to its molecular pathogenesis. Serine/threonine protein kinase D family, which includes PKD/PKD1, PKD2, and PKD3, has been increasingly implicated in the regulation of multiple physiological and pathophysiological effects. We recently reported t...
Data from serial renal magnetic resonance imaging of the Consortium of Radiologic Imaging Study of PKD (CRISP) autosomal dominant polycystic kidney disease (PKD) population showed that cystic expansion occurs at a consistent rate per individual, although it is heterogeneous in the population, and that larger kidneys are associated with more rapid disease progression. The significance of gene ty...
ADPKD is caused by mutations in two genes:1,2 PKD1 on chromosome 16p13.3, and PKD2, on chromosome 4q21-23. The proteins encoded by PKD1 and PKD2 are polycystin-1 and polycystin-2 (Fig 1).3 Polycystin-1 is probably involved in protein-protein or proteincarbohydrate interactions. Polycystin-2 is a nonselective cation channel that can conduct calcium ions. Mutations in either PKD1 or PKD2 prod...
Autosomal dominant polycystic kidney disease (ADPKD), often caused by mutations in the PKD1 gene, is associated with life-threatening vascular abnormalities that are commonly attributed to the frequent occurrence of hypertension. A previously reported targeted mutation of the mouse homologue of PKD1 was not associated with vascular fragility, leading to the suggestion that the vascular lesion m...
Mutation of PKD1, encoding the protein polycystin-1 (PC1), is the main cause of autosomal dominant polycystic kidney disease (ADPKD). The signaling pathways downstream of PC1 in ADPKD are still not fully understood. Here, we provide genetic evidence for the necessity of Gα12 (encoded by Gna12, hereafter Gα12) for renal cystogenesis induced by Pkd1 knockout. There was no phenotype in mice with d...
BACKGROUND Protein kinase D1 is downregulated in its expression in invasive ductal carcinoma of the breast and in invasive breast cancer cells, but its functions in normal breast epithelial cells is largely unknown. The epithelial phenotype is maintained by cell-cell junctions formed by E-cadherin. In cancer cells loss of E-cadherin expression contributes to an invasive phenotype. This can be m...
Autosomal dominant polycystic kidney disease (ADPKD) is one of the most commonly inherited renal diseases. At least two genes, PKD2 and PKD1 are implicated in the development of this disease. Our pathogenetic studies showed that the human and murine polycystic kidney disease (PKD) involves failure to switch out of a renal developmental program. We have thus undertaken a detailed comparative exp...
BACKGROUND/AIMS Autosomal-dominant polycystic kidney disease (ADPKD) is a heterogeneous genetic disorder caused by mutations in the PKD1 and PKD2 genes. Currently, long-range PCR followed by nested PCR and sequencing (LRNS) is the gold standard approach for PKD1 testing. However, LRNS is complicated by the high structural and sequence complexity of PKD1, which makes the procedure for amplificat...
Lysine methyltransferase SMYD2 promotes cyst growth in autosomal dominant polycystic kidney disease.
Autosomal dominant polycystic kidney disease (ADPKD) is driven by mutations in PKD1 and PKD2 genes. Recent work suggests that epigenetic modulation of gene expression and protein function may play a role in ADPKD pathogenesis. In this study, we identified SMYD2, a SET and MYND domain protein with lysine methyltransferase activity, as a regulator of renal cyst growth. SMYD2 was upregulated in re...
Aldosterone treatment of M1-CCD cells stimulated an increase in epithelial Na(+) channel (ENaC) alpha-subunit expression that was mainly localized to the apical membrane. PKD1-suppressed cells constitutively expressed ENaCalpha at low abundance, with no increase after aldosterone treatment. In the PKD1-suppressed cells, ENaCalpha was mainly localized proximal to the basolateral surface of the e...
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