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Biochim Biophys Acta Mol Basis Dis ; 1864(4 Pt B): 1491-1497, 2018 04.
Article in English | MEDLINE | ID: mdl-28782656

ABSTRACT

Polycystic liver disease (PLD) is a heterogeneous genetic condition. PKD1 and PKD2 germline mutations are found in patients with autosomal dominant polycystic kidney disease (ADPKD). Autosomal dominant polycystic liver disease (ADPLD) is associated with germline mutations in PRKCSH, SEC63, LRP5, and recently ALG8 and SEC61. GANAB mutations are found in both patient groups. Loss of heterozygosity of PLD-genes in cyst epithelium contributes to the development of hepatic cysts. A genetic interaction network is implied in hepatic cystogenesis that connects the endoplasmic glycoprotein control mechanisms and polycystin expression and localization. Wnt signalling could be the major downstream signalling pathway that results in hepatic cyst growth. PLD in ADPLD and ADPKD probably results from changes in one common final pathway that initiates cyst growth. This article is part of a Special Issue entitled: Cholangiocytes in Health and Diseaseedited by Jesus Banales, Marco Marzioni, Nicholas LaRusso and Peter Jansen.


Subject(s)
Cell Membrane/pathology , Cysts/genetics , Epithelium/pathology , Gene Regulatory Networks/genetics , Liver Diseases/genetics , Wnt Signaling Pathway/genetics , Cell Membrane/genetics , Cell Membrane/metabolism , Cysts/pathology , Endoplasmic Reticulum/genetics , Endoplasmic Reticulum/metabolism , Endoplasmic Reticulum/pathology , Germ-Line Mutation , Glycoproteins/metabolism , Glycosylation , Humans , Liver/cytology , Liver/pathology , Liver Diseases/pathology , Loss of Heterozygosity , Membrane Proteins/genetics , Membrane Proteins/metabolism
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