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Distinct regulation of p53-mediated apoptosis by protein kinase calpha, delta, ...

The role of individual protein kinase C (PKC) isoforms in the regulation of p53- mediated apoptosis is still uncertain. Using yeast cells co-expressing the human wild-type p53 and a single mammalian PKCa, d, e or z, we showed a differential regulation of p53- mediated apoptosis by these PKC isoforms. Whereas PKCa and z had no effect on p53 activity, PKCd and e stimulated a p53-mediated mitochondria-dependent ap...

Modulation of Bax by Protein Kinase C in yeast

Modulation of bax mitochondrial insertion and induced cell death in yeast by ma...

Protein kinase Cα (PKCα) is a classical PKC isoform whose involvement in cell death is not completely understood. Bax, a major member of the Bcl-2 family, is required for apoptotic cell death and regulation of Bax translocation and insertion into the outer mitochondrial membrane is crucial for regulation of the apoptotic process. Here we show that PKCα increases the translocation and insertion of Bax c-myc (an ...

The importance of humanized yeast to better understand the role of Bcl-2 family...

The Bcl-2 protein family plays a central role in mitochondrial membrane permeabilization. This event and the ensuing release of cytochrome c are decisive in the apoptotic cascade. Therefore, a better knowledge of these processes and their regulation will probably lead to the development of novel therapeutic strategies for treatment of apoptosis-related diseases. However, the mode of action of Bcl-2 protein fami...

Implementação do ensaio fenotípico das leveduras e sua aplicação na pesquisa de...