Matches in SemOpenAlex for { <https://semopenalex.org/work/W4214937013> ?p ?o ?g. }
- W4214937013 abstract "β-Site amyloid precursor protein (APP) cleaving enzyme-1 (BACE1) is the major described β-secretase to generate Aβ peptides in Alzheimer's disease (AD). However, all therapeutic attempts to block BACE1 activity and to improve AD symptoms have so far failed. A potential candidate for alternative Aβ peptides generation is the metalloproteinase meprin β, which cleaves APP predominantly at alanine in p2 and in this study we can detect an increased meprin β expression in AD brain. Here, we report the generation of the transgenic APP/lon mouse model of AD lacking the functional Mep1b gene (APP/lon × Mep1b-/-). We examined levels of canonical and truncated Aβ species using urea-SDS-PAGE, ELISA and immunohistochemistry in brains of APP/lon mouse × Mep1b-/-. Additionally, we investigated the cognitive abilities of these mice during the Morris water maze task. Aβ1-40 and 1-42 levels are reduced in APP/lon mice when meprin β is absent. Immunohistochemical staining of mouse brain sections revealed that N-terminally truncated Aβ2-x peptide deposition is decreased in APP/lon × Mep1b-/- mice. Importantly, loss of meprin β improved cognitive abilities and rescued learning behavior impairments in APP/lon mice. These observations indicate an important role of meprin β within the amyloidogenic pathway and Aβ production in vivo." @default.
- W4214937013 created "2022-03-05" @default.
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- W4214937013 date "2022-03-01" @default.
- W4214937013 modified "2023-10-14" @default.
- W4214937013 title "Meprin β knockout reduces brain Aβ levels and rescues learning and memory impairments in the APP/lon mouse model for Alzheimer’s disease" @default.
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- W4214937013 doi "https://doi.org/10.1007/s00018-022-04205-5" @default.
- W4214937013 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35235058" @default.
- W4214937013 hasPublicationYear "2022" @default.
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