Abstract
The neuronal ceroid lipofuscinoses (NCL) are the most common childhood neurodegenerative disorders with a worldwide incidence of up to 1 in 12, 500 live births. Various subtypes have been described on a clinical and genetic level, with mutations in one of at least eight genes, termed CLN1-8, forming the molecular basis of the disease. Since mutations in distinct genes result in similar pathologies, suggesting a common biological pathway, it is important to not only elucidate the function of the proteins they encode but also to examine the possible consequences of protein dysfunction in cellular processes. Development of animal models of NCL disease and advancements in genomic and proteomic technologies provide valuable tools in the search for the underlying basis of disease. Application of DNA microarray analysis has revealed alterations in the expression of genes involved in a number of cellular processes including inflammation, neuronal function, oxidative stress, energy metabolism and proteolytic processing. Comparison of DNA microarray data from various NCL animal models has revealed not only alterations in a number of common pathological pathways characteristic of neurodegenerative disorders, but also some unique changes that may provide an insight into the function of the mutated proteins that underlie these diseases. Here, we review and discuss how such studies have furthered our current understanding of protein function and related pathological processes.
Keywords: Neuronal Ceroid, proteolytic, neuronal ceroid lipofuscinoses (NCL), neurodegenerative
Current Genomics
Title: What Have Microarrays Told Us About the Neuronal Ceroid Lipofuscinoses?
Volume: 6 Issue: 4
Author(s): Chun-Hung Chan and David A. Pearce
Affiliation:
Keywords: Neuronal Ceroid, proteolytic, neuronal ceroid lipofuscinoses (NCL), neurodegenerative
Abstract: The neuronal ceroid lipofuscinoses (NCL) are the most common childhood neurodegenerative disorders with a worldwide incidence of up to 1 in 12, 500 live births. Various subtypes have been described on a clinical and genetic level, with mutations in one of at least eight genes, termed CLN1-8, forming the molecular basis of the disease. Since mutations in distinct genes result in similar pathologies, suggesting a common biological pathway, it is important to not only elucidate the function of the proteins they encode but also to examine the possible consequences of protein dysfunction in cellular processes. Development of animal models of NCL disease and advancements in genomic and proteomic technologies provide valuable tools in the search for the underlying basis of disease. Application of DNA microarray analysis has revealed alterations in the expression of genes involved in a number of cellular processes including inflammation, neuronal function, oxidative stress, energy metabolism and proteolytic processing. Comparison of DNA microarray data from various NCL animal models has revealed not only alterations in a number of common pathological pathways characteristic of neurodegenerative disorders, but also some unique changes that may provide an insight into the function of the mutated proteins that underlie these diseases. Here, we review and discuss how such studies have furthered our current understanding of protein function and related pathological processes.
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Cite this article as:
Chan Chun-Hung and Pearce A. David, What Have Microarrays Told Us About the Neuronal Ceroid Lipofuscinoses?, Current Genomics 2005; 6 (4) . https://dx.doi.org/10.2174/1389202054395928
DOI https://dx.doi.org/10.2174/1389202054395928 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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