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2005 | 53 | 1 | 47-60
Article title

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

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Abstracts
EN
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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Year
Volume
53
Issue
1
Pages
47-60
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Document Type
REVIEW
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Marek Los, Manitoba Institute of Cell Biology, CancerCare Manitoba, University of Manitoba, ON6010-675 McDermot Ave., Winnipeg, MB R3E 0V9, Canada
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bwmeta1.element.element-from-psjc-eff056f5-d277-394b-a028-d0e755227090
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