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Anti-tumor chemotherapy utilizing peptide-based approaches ? apoptotic pathways, kinases, and proteasome as targets

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Mendoza F. J., Espino P. S., Cann K. L., Bristow N., Mc_Crea K., Los M.

Archivum Immunologiae et Therapiae Experimentalis

2005

vol. 53

issue 1

47-60

The pharmacological sciences are taking advantage of recent discoveries that have defined the molecular pathways governing apoptosis. These signaling cascades are frequently inactivated or distorted by mutations in cancer cells. Peptides derived from critical interaction, phosphorylation, or cleavage sites are the preferred leads (starting points) for the development of new drugs. In this review we summarize recent peptide-based approaches that target MDM2, p53, NF-?B, ErbB2, MAPK, as well as Smac/DIABLO, IAP BIR domains, and Bcl-2 interaction domains, with a specific focus on the BH3 domain. Separate parts of the review deal with proteasome inhibitors, integrin-derived peptides, and molecules that are being tested for tumor-selective delivery of anticancer drugs ('magic bullet' approach). The proteasome inhibitors and integrin-derived peptides show a variety of effects, targeting not only tumor growth, but also angiogenesis, metastasizing potential, and other cancer cell functions. The last part of this review describes approaches that use specific properties (surface receptors, increased enzymatic activities) of cancer cells in order to target them specifically. These new generations of anticancer drugs provide the foundations for therapies with fewer side effects and higher efficacy.

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1 Archivum Immunologiae et Therapiae Experimentalis

1 2005

1 Bristow N.

1 Cann K. L.

1 Espino P. S.

1 Los M.

1 Mc_Crea K.

1 Mendoza F. J.

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Anti-tumor chemotherapy utilizing peptide-based approaches ? apoptotic pathways, kinases, and proteasome as targets