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β2-Spectrin is an actin-binding protein that plays an important role in membrane integrity and the transforming growth factor (TGF)-β signalling pathway as an adaptor for Smads. Loss of β2-spectrin in mice (Spnb2(-/-)) results in embryonic lethality with gastrointestinal, liver, neural, and heart abnormalities that are similar to those in Smad2(+/-)Smad3(+/-) mice. However, to date, the role of β2-spectrin in embryogenesis, particularly in heart development, has been poorly delineated. Here, we demonstrated that β2-spectrin is required for the survival and differentiation of cardiomyocytes, and its loss resulted in defects in heart development with failure of ventricular wall thickening.
Pubmed ID: 24064296
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Center that produces knockout mice and carries out high-throughput phenotyping of each line in order to determine function of every gene in mouse genome. These mice will be preserved in repositories and made available to scientific community representing valuable resource for basic scientific research as well as generating new models for human diseases.
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