Biology – Quantitative Biology – Biomolecules
Scientific paper
2007-11-29
Biology
Quantitative Biology
Biomolecules
6 pages
Scientific paper
Miniaturization is a hallmark of modern technologies. Notably, this feature has not spared molecular biology and its potential applications. Towards developing more effective therapeutics against cancer, studies began to explore more than a decade ago how natural tumor suppression could be translated into antineoplastic drugs. To this end, investigators focused on major constituents of a central pathway that protects cells against neoplastic transformation: the nuclear retinoblastoma protein (RB) pathway. As such, peptide mimetics of RB, p16 and p21 were developed. Likewise, the p53 and von Hippel-Lindau gene products which affect indirectly the RB pathway provided additional templates for the development of anti-proliferative peptides. Each of the peptides derived from these distinct tumor suppressors was made cell-permeable by its ligation to an amino acid sequence conferring cellular internalization. Details reviewed here reveal that through the application of such anti-cancer peptide therapeutics alone or in conjunction whenever synergy is to expect, the dark era of chemotherapy will likely be overcome, at last.
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