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Mechanosensitive β-catenin signaling regulates lymphatic vascular development

Identifieur interne : 000E09 ( Main/Exploration ); précédent : 000E08; suivant : 000E10

Mechanosensitive β-catenin signaling regulates lymphatic vascular development

Auteurs : Boksik Cha ; R. Sathish Srinivasan [États-Unis]

Source :

RBID : PMC:5070726

Descripteurs français

English descriptors

Abstract

The Wnt/β-catenin signaling is an evolutionarily conserved pathway that plays a pivotal role in embryonic development and adult homeostasis. However, we have limited information about the involvement of Wnt/β-catenin signaling in the lymphatic vascular system that regulates fluid homeostasis by absorbing interstitial fluid and returning it to blood circulation. In this recent publication we report that canonical Wnt/β-catenin signaling is highly active and critical for the formation of lymphovenus valves (LVVs) and lymphatic valves (LVs). β-catenin directly associates with the regulatory elements of the lymphedema-associated transcription factor, FOXC2 and activates its expression in an oscillatory shear stress (OSS)-dependent manner. The phenotype of β-catenin null embryos was rescued by FOXC2 overexpression. These results suggest that Wnt/β-catenin signaling is a mechanotransducer that links fluid force with lymphatic vascular development. [BMB Reports 2016; 49(8): 403-404]


Url:
DOI: 10.5483/BMBRep.2016.49.8.112
PubMed: 27418286
PubMed Central: 5070726


Affiliations:


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