'Notch'ing up a role in the multisystem disease tuberous sclerosis complex

Two independent teams of researchers have identified a role for enhanced activation of the signaling protein Notch in tumors characterized by inactivation of either the TSC1 or the TSC2 protein. As indicated by Warren Pear, at the University of Pennsylvania, Philadelphia, in an accompanying commentary, these data provide a rationale for testing whether Notch inhibitors are of benefit to those with TSC-associated tumors.

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