Abstract

Tyrosine Phosphorylation Regulates the Proteolytic Activation of Protein Kinase Cδ in Dopaminergic Neuronal Cells

Highlights

  • Oxidative stress and apoptosis are key mediators of numerous neurodegenerative processes in the nervous system, including Alzheimer (4, 5) and Huntington disease (6, 7), Friedrich

  • We demonstrated that protein kinase C-␦ (PKC␦) is an oxidative stress-sensitive kinase that can be activated by caspase-3-dependent proteolytic cleavage to induce apoptotic cell death in cell culture models of Parkinson disease

  • To determine whether oxidative stress induces the proteolytic activation of PKC␦ in dopaminergic neuronal cells, we examined the effect of H2O2 on PKC␦ cleavage in N27 cells

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Summary

Introduction

Oxidative stress and apoptosis are key mediators of numerous neurodegenerative processes in the nervous system, including Alzheimer (4, 5) and Huntington disease (6, 7), Friedrich. We demonstrated that protein kinase C-␦ (PKC␦) is an oxidative stress-sensitive kinase that can be activated by caspase-3-dependent proteolytic cleavage to induce apoptotic cell death in cell culture models of Parkinson disease

Results
Conclusion

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