Abstract
Ligand-independent and/or proNGF-induced p75NTR signaling has emerged as a potential major contributor to a number of pathological states, including axotomy-induced death, motor neuron degeneration, neuronal degeneration in Alzheimers disease and oligodendrocyte death following spinal cord injury. A long standing goal in the neurotrophin field has been the development of non-peptide, small molecules capable of functioning as specific ligands at neurotrophin receptors such as p75NTR to promote desired biological outcomes. Synthetic peptides modeled on neurotrophin protein domains have been found to bind to and activate various neurotrophin receptors, raising the possibility that active, nonpeptide, small molecule ligands might also be identified; however, traditional high-throughput screening approaches have been largely ineffective in identifying such compounds. Using pharmacophores derived from the structure of loop 1 of nerve growth factor, non-peptide, small molecules that function as p75NTR ligands to promote survival and block proNGFinduced death have recently been identified. Small molecule p75NTR ligands, with high potency and specificity, may provide novel therapeutic approaches for neurodegenerative diseases, neurotrauma and other pathologic states.
CNS & Neurological Disorders - Drug Targets
Title: Small Molecule Modulation of p75 Neurotrophin Receptor Functions
Volume: 7 Issue: 1
Author(s): Frank M. Longo, Frank M. Longo, Stephen M. Massa and Stephen M. Massa
Affiliation:
Abstract: Ligand-independent and/or proNGF-induced p75NTR signaling has emerged as a potential major contributor to a number of pathological states, including axotomy-induced death, motor neuron degeneration, neuronal degeneration in Alzheimers disease and oligodendrocyte death following spinal cord injury. A long standing goal in the neurotrophin field has been the development of non-peptide, small molecules capable of functioning as specific ligands at neurotrophin receptors such as p75NTR to promote desired biological outcomes. Synthetic peptides modeled on neurotrophin protein domains have been found to bind to and activate various neurotrophin receptors, raising the possibility that active, nonpeptide, small molecule ligands might also be identified; however, traditional high-throughput screening approaches have been largely ineffective in identifying such compounds. Using pharmacophores derived from the structure of loop 1 of nerve growth factor, non-peptide, small molecules that function as p75NTR ligands to promote survival and block proNGFinduced death have recently been identified. Small molecule p75NTR ligands, with high potency and specificity, may provide novel therapeutic approaches for neurodegenerative diseases, neurotrauma and other pathologic states.
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Cite this article as:
Longo M. Frank, Longo M. Frank, Massa M. Stephen and Massa M. Stephen, Small Molecule Modulation of p75 Neurotrophin Receptor Functions, CNS & Neurological Disorders - Drug Targets 2008; 7 (1) . https://dx.doi.org/10.2174/187152708783885093
DOI https://dx.doi.org/10.2174/187152708783885093 |
Print ISSN 1871-5273 |
Publisher Name Bentham Science Publisher |
Online ISSN 1996-3181 |
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