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Shapiro, P S; Whalen, A M; Tolwinski, N S et al. (1999) Extracellular signal-regulated kinase activates topoisomerase IIalpha through a mechanism independent of phosphorylation. Mol Cell Biol 19:3551-60
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Tolwinski, N S; Shapiro, P S; Goueli, S et al. (1999) Nuclear localization of mitogen-activated protein kinase kinase 1 (MKK1) is promoted by serum stimulation and G2-M progression. Requirement for phosphorylation at the activation lip and signaling downstream of MKK. J Biol Chem 274:6168-74
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Shapiro, P S; Ahn, N G (1998) Feedback regulation of Raf-1 and mitogen-activated protein kinase (MAP) kinase kinases 1 and 2 by MAP kinase phosphatase-1 (MKP-1). J Biol Chem 273:1788-93
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Shapiro, P S; Vaisberg, E; Hunt, A J et al. (1998) Activation of the MKK/ERK pathway during somatic cell mitosis: direct interactions of active ERK with kinetochores and regulation of the mitotic 3F3/2 phosphoantigen. J Cell Biol 142:1533-45
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Shapiro, P; Absher, P M; Posada, J P et al. (1997) Activation of ERK and JNK1 MAP kinases in cultured lung tissue. Am J Physiol 273:L459-67
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