Astrocytes from familial and sporadic ALS patients are toxic to motor neurons.
Astrocytes from familial and sporadic ALS patients are toxic to motor neurons.
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DOI:
10.1038/nbt.1957
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发表时间:
2011-08-10
影响因子:
46.9
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中科院分区:
文献类型:
--
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Amyotrophic Lateral Sclerosis (ALS) is a fatal motor neuron (MN) disease with astrocytes implicated as a significant contributor to MN death in familial ALS (fALS). However, these conclusions, in part, derive from rodent models of fALS based upon dominant mutations within the superoxide dismutase 1 (SOD1) gene which account for less than 2% of all ALS cases. Here, we generated astrocytes from post-mortem tissue from both fALS and sporadic ALS (sALS) patients, and show that astrocytes derived from both patient groups are similarly toxic to MNs. In addition, we show that SOD1 is a viable target for sALS, as its knockdown significantly attenuates astrocyte-mediated toxicity towards MNs. Our data highlight astrocytes as a non-cell autonomous component in sALS and provide the first in vitro model system to investigate common disease mechanisms and evaluate potential therapies for sALS and fALS.
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