O Wiggan

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Dephosphorylation (activation) of cofilin, an actin binding protein, is stimulated by initiators of neuronal dysfunction and degeneration including oxidative stress, excitotoxic glutamate, ischemia, and soluble forms of beta-amyloid peptide (Abeta). Hyperactive cofilin forms rod-shaped cofilin-saturated actin filament bundles (rods). Other proteins are(More)
The specific loss of pRB or p107 together with p130 disrupts the normal development of only a very limited spectrum of tissues. These developmental defects have been attributed primarily to deregulation of E2F activity and consequent uncontrolled proliferation. We hypothesized, however, that the tissue-specific nature of these defects may also reflect(More)
We have recently demonstrated that the retinoblastoma family of negative cell cycle regulators can form complexes with a class of developmental factors which contain paired-like (PL) homeodomains (Wiggan et al. [1998] Oncogene 16:227-236). Our screens led to the isolation of a novel PL-homeodomain protein which had been isolated independently by another(More)
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