Article
Vinculin controls PTEN protein level by maintaining the interaction of the adherens junction protein beta-catenin with the scaffolding protein MAGI-2.
The Journal of biological chemistry - 18 Feb 2005
Subauste M Cecilia, Nalbant Perihan, Adamson Eileen D, Hahn Klaus M
Abstract excerpt
PTEN is a frequently mutated tumor suppressor in malignancies. Interestingly, some malignancies exhibit undetectable PTEN protein without mutations or loss of PTEN mRNA. The cause(s) for this reduction in PTEN is unknown. Cancer cells frequently exhibit loss of cadherin, beta-catenin, alpha-catenin and/or vinculin, key elements of adherens junctions. Here we show that F9 vinculin-null (vin(-/-)) cells lack PTEN...
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