T-cell factor/β-catenin activity is suppressed in two different models of autosomal dominant polycystic kidney disease.
T-cell factor/β-catenin activity is suppressed in two different models of autosomal dominant polycystic kidney disease.
复制标题
T细胞因子/β-catenin活性在两种不同的常染色体显性多囊肾脏疾病中抑制。
DOI:
10.1038/ki.2011.56
复制
发表时间:
2011-07
影响因子:
19.6
通讯作者:
中科院分区:
文献类型:
--
作者:
During murine kidney development, canonical WNT signalling is highly active in the renal tubules until about embryonic day E16-E18 when β-catenin transcriptional activity becomes progressively restricted to the nephrogenic zone. Several in vitro studies have found a link between cilial signalling and β-catenin regulation. The cilial protein genes PKD1 and PKD2 are known to be mutated in autosomal dominant polycystic kidney disease and previous studies proposed that these mutations could lead to a failure to suppress canonical WNT signalling activity; aberrant activity might then contribute to the cystic phenotype. However, in this study, we show that suppression of canonical WNT activity, defined by a TCF/β-catenin-lacZ reporter, is normal in two independent models of polycystic kidney disease. We crossed a TCF/β-catenin-lacZ reporter mouse with mice Pkd1 or Pkd2 mutations and found that there was no β-galactosidase staining in cells lining the renal cysts. This suggests that excessive β-catenin transcriptional activity may not contribute to cystogenesis in these models of autosomal dominant polycystic kidney disease.
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影响因子:
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作者:
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通讯作者:
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