期刊
HUMAN MOLECULAR GENETICS
卷 17, 期 11, 页码 1527-1539出版社
OXFORD UNIV PRESS
DOI: 10.1093/hmg/ddn041
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资金
- Medical Research Council [G0700990, G0500306] Funding Source: researchfish
- Medical Research Council [G0500306, G0700990] Funding Source: Medline
- Wellcome Trust [042216] Funding Source: Medline
- MRC [G0500306, G0700990] Funding Source: UKRI
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is an autosomal dominant dementia that is characterized by the retention of polymers of neuroserpin as inclusions within the endoplasmic reticulum (ER) of neurons. We have developed monoclonal antibodies that detect polymerized neuroserpin and have used COS-7 cells, stably transfected PC12 cell lines and transgenic Drosophila melanogaster to characterize the cellular handling of all four mutant forms of neuroserpin that cause FENIB. We show a direct correlation between the severity of the disease-causing mutation and the accumulation of neuroserpin polymers in cell and fly models of the disease. Moreover, mutant neuroserpin causes locomotor deficits in the fly allowing us to demonstrate a direct link between polymer accumulation and neuronal toxicity.
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