Tandem Repeat Peptide Strategy for the Design of Neurotrophic Factor Mimetics

Authors: Williams, Gareth; Molina-Holgado, Francisco; Doherty, Patrick

Source: CNS & Neurological Disorders - Drug Targets (Formerly Current Drug Targets, Volume 7, Number 1, February 2008 , pp. 110-119(10)

Publisher: Bentham Science Publishers

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Abstract:

Neurotrophic factors comprise a broad family of secreted proteins that have growth promoting, survival promoting and differentiation inducing activities. Disruption of neurotrophic factor signalling is a characteristic of many central and peripheral nervous system disorders, such as Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, multiple sclerosis, stroke, and peripheral neuropathy and pain. It follows that treating patients with neurotrophic factors might be beneficial in a range of neurological diseases. However, the promising results seen in animal models of disease have not translated well into clinical trials due to the poor pharmacokinetics associated with the intact proteins, in particular, their short in vivo half-life, low blood brain barrier permeability, limited diffusion, and undesirable effects through multiple receptor interactions. This has been the main motivation for the design of small molecule modulators of the neurotrophic factor pathways. The review gives a brief survey of the various strategies to design mimetics that have been reported in the literature with special emphasis on the tandem repeat peptide agonist approach for BDNF/NT-4/5 and N-cadherin mimetics.

Document Type: Research article

DOI: http://dx.doi.org/10.2174/187152708783885200

Publication date: 2008-02-01

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CNS & Neurological Disorders - Drug Targets aims to cover all the latest and outstanding developments on the medicinal chemistry, pharmacology, molecular biology, genomics and biochemistry of contemporary molecular targets involved in neurological and central nervous system (CNS) disorders e.g. disease specific proteins, receptors, enzymes, genes. Each issue of the journal will contain a series of timely in-depth reviews written by leaders in the field covering a range of current topics on drug targets involved in neurological and CNS disorders. As the discovery, identification, characterization and validation of novel human drug targets for neurological and CNS drug discovery continues to grow; this journal will be essential reading for all pharmaceutical scientists involved in drug discovery and development.

Tandem Repeat Peptide Strategy for the Design of Neurotrophic Factor Mimetics

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