The Hippo pathway is a central regulator of organ size and tumorigenesis and is commonly depicted as a kinase cascade, with an increasing number of regulatory and adaptor proteins linked to its regulation over recent years. Here, we propose that two Hippo signaling modules, MST1/2-SAV1-WWC1-3 (HPO1) and MAP4K1-7-NF2 (HPO2), together regulate the activity of LATS1/2 kinases and YAP/TAZ transcriptional co-activators. In mouse livers, the genetic inactivation of either HPO1 or HPO2 module results in partial activation of YAP/TAZ, bile duct hyperplasia, and hepatocellular carcinoma (HCC). On the contrary, inactivation of both HPO1 and HPO2 modules results in full activation of YAP/TAZ, rapid development of intrahepatic cholangiocarcinoma (iCCA), and early lethality. Interestingly, HPO1 has a predominant role in regulating organ size. HPO1 inactivation causes a homogenous YAP/TAZ activation and cell proliferation across the whole liver, resulting in a proportional and rapid increase in liver size. Thus, this study has reconstructed the order of the Hippo signaling network and suggests that LATS1/2 and YAP/TAZ activities are finetuned by HPO1 and HPO2 modules to cause different cell fates, organ size changes, and tumorigenesis trajectories.
Pubmed ID: 36919851 RIS Download
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This polyclonal secondary targets IgG (H+L)
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View all literature mentionsThis polyclonal targets IgG (H+L)
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View all literature mentionsThis monoclonal targets Keratin, type I; cytokeratin 19
View all literature mentionsThis unknown targets LATS1/LATS2
View all literature mentionsThis polyclonal targets Ki67 antibody - Proliferation Marker
View all literature mentionsThis monoclonal targets Human Cytokeratin 19
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View all literature mentionsThis polyclonal secondary targets IgG (H+L)
View all literature mentionsThis monoclonal secondary targets IgG, Light Chain Specific
View all literature mentionsThis polyclonal targets IgG (H+L)
View all literature mentionsThis polyclonal targets IgG (H + L)
View all literature mentionsThis monoclonal targets Keratin, type I; cytokeratin 19
View all literature mentionsThis unknown targets LATS1/LATS2
View all literature mentionsThis polyclonal targets Ki67 antibody - Proliferation Marker
View all literature mentionsThis monoclonal targets Human Cytokeratin 19
View all literature mentionsThis polyclonal targets WWC2 antibody
View all literature mentionsThis monoclonal targets STK3
View all literature mentionsThis monoclonal targets MST1
View all literature mentionsThis monoclonal targets Hsp90
View all literature mentionsThis unknown targets Human WWTR1
View all literature mentionsThis monoclonal targets FLAG
View all literature mentionsThis monoclonal targets alpha-Tubulin
View all literature mentionsThis monoclonal targets HNF4alpha
View all literature mentionsThis monoclonal targets Sox9
View all literature mentionsThis monoclonal targets Striatin 4
View all literature mentionsThis polyclonal targets FAM40B antibody produced in rabbit
View all literature mentionsThis monoclonal targets HGK (D19H10) Rabbit mAb
View all literature mentionsThis polyclonal targets YAP1
View all literature mentionsThis monoclonal targets Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Asp362 of human TAZ protein
View all literature mentionsThis recombinant monoclonal targets YAP
View all literature mentionsThis monoclonal targets Phospho-MOB1 (Thr35) (D2F10) Rabbit mAb
View all literature mentionsThis monoclonal targets SAV1
View all literature mentionsThis unknown targets Mst1, phospho (Thr183) / Mst2, phospho (Thr180)
View all literature mentionsThis monoclonal targets Merlin
View all literature mentionsThis monoclonal targets Phospho-LATS1 (Thr1079) (D57D3) Rabbit mAb
View all literature mentionsThis monoclonal targets LATS2 (D83D6)
View all literature mentionsThis monoclonal targets LATS1
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View all literature mentionsThis monoclonal targets Vinculin
View all literature mentionsThis polyclonal targets Cyr61 (H-78)
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