Document Detail


Glial cells in amyotrophic lateral sclerosis.
MedLine Citation:
PMID:  21766027     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Amyotrophic lateral sclerosis (ALS) is an adult motor neuron disease characterized by premature death of upper and lower motor neurons. Two percent of ALS cases are caused by the dominant mutations in the gene for superoxide dismutase 1 (SOD1) through a gain of toxic property of mutant protein. Genetic and chimeric mice studies using SOD1 models indicate that non-neuronal cells play important roles in neurodegeneration through non-cell autonomous mechanism. We review the contribution of each glial cell type in ALS pathology from studies of the rodent models and ALS patients. Astrogliosis and microgliosis are not only considerable hallmarks of the disease, but the intensity of microglial activation is correlated with severity of motor neuron damage in human ALS. The impaired astrocytic functions such as clearance of extracellular glutamate and release of neurotrophic factors are implicated in disease. Further, the damage within astrocytes and microglia is involved in accelerated disease progression. Finally, other glial cells such as NG2 cells, oligodendrocytes and Schwann cells are under the investigation to determine their contribution in ALS. Accumulating knowledge of active role of glial cells in the disease should be carefully applied to understanding of the sporadic ALS and development of therapy targeted for glial cells.
Authors:
Jurate Lasiene; Koji Yamanaka
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Publication Detail:
Type:  Journal Article     Date:  2011-06-07
Journal Detail:
Title:  Neurology research international     Volume:  2011     ISSN:  2090-1860     ISO Abbreviation:  Neurol Res Int     Publication Date:  2011  
Date Detail:
Created Date:  2011-07-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101543314     Medline TA:  Neurol Res Int     Country:  United States    
Other Details:
Languages:  eng     Pagination:  718987     Citation Subset:  -    
Affiliation:
Laboratory for Motor Neuron Disease, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako-Shi, Saitama 351-0198, Japan.
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