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Current Medicinal Chemistry


ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Biomarkers and Future Targets for Development in Amyotrophic Lateral Sclerosis

Author(s): Parvathi Menon, Matthew C. Kiernan and Steve Vucic

Volume 21 , Issue 31 , 2014

Page: [3535 - 3550] Pages: 16

DOI: 10.2174/0929867321666140601161148

Price: $65


Although the pathophysiological mechanisms underlying the development of amyotrophic lateral sclerosis (ALS) remain to be fully elucidated, there have been significant advances in the understanding of ALS pathogenesis, with evidence emerging of a complex interaction between genetic factors and dysfunction of vital molecular pathways. Glutamate- mediated excitoxicity is an important pathophysiological pathway in ALS, and was identified as an important therapeutic biomarker leading to development of the only pharmacologically based disease-modifying treatment currently available for ALS. More recently, a putative role of voltage-gated persistent Na+ channels in ALS pathogenesis has been suggested and underscored by neuroprotective effects of Na+ channel blocking agents in animal models. In addition, advances in ALS genetics have lead to identification of novel pathophysiological processes that could potentially serve as therapeutic targets in ALS. Genetic therapies, including antisense oligonucleotide approaches have been shown to exert neuroprotective effects in animal models of ALS, and Phase I human trial have been completed demonstrating the feasibility of such a therapeutic approach. The present review summarises the advances in ALS pathogenesis, emphasising the importance of these processes as potential targets for drug development in ALS.

Keywords: Amyotrophic lateral sclerosis, clinical trial, excitotoxicity, glutamate, motor neuron disease, riluzole.

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