A recent paper in BMC Biology reports that actin stress fibers in adjacent cultured endothelial cells are linked through adherens junctions. This organization might provide a super-cellular network that could enable coordinated signaling and structural responses in endothelia. See research article http://www.biomedcentral.com/1741-7007/8/11
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Maria Grazia Lampugnani (2010) studied this question.
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