Intracellular A beta and C99 aggregates induce mitochondria-dependent cell death in human neuroglioma H4 cells through recruitment of the 20S proteasome subunits
DC Field | Value | Language |
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dc.contributor.author | Park, Hyo-Jin | - |
dc.contributor.author | Kim, Sang-Soo | - |
dc.contributor.author | Kang, Seongman | - |
dc.contributor.author | Rhim, Hyangshuk | - |
dc.date.accessioned | 2021-09-08T16:14:48Z | - |
dc.date.available | 2021-09-08T16:14:48Z | - |
dc.date.created | 2021-06-10 | - |
dc.date.issued | 2009-06-01 | - |
dc.identifier.issn | 0006-8993 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/119839 | - |
dc.description.abstract | Recent studies have reported that neuronal apoptosis is induced not only by extracellular A beta but also by intracellular A beta; however, the mechanism by which intracellular A beta contributes to the regulation of cell death associated with the pathogenesis of AD remains to be elucidated. Using immunological assays and a short-lived enhanced green fluorescent protein (d2EGFP) system, we showed that intracellular A beta and C99 form perinuclear aggregates in the cytosol, and the resulting aggregates attenuate the activity of the 26S proteasome. In addition, the immunofluorescence assays (IFA) revealed that the 20S proteasome alpha-subunits are recruited into perinuclear aggregates in both human embryonic kidney (HEK293) and human neuroglioma H4 (H4) cells, Interestingly, we observed an increase in the levels of Bax, cleavage of PARP-1, and mitochondrial release of proapoptotic proteins, such as cytochrome c and HtrA2, in H4 cells with intracellular A beta or C99 aggregates, but not in HEK293 cells with those aggregates. The results of the present study indicate that intracellular A beta and C99 aggregates induce mitochondria-dependent apoptotic cell death via elevation of Bax levels as a result of proteasome inhibition in a cell type-specific manner. (C) 2009 Elsevier B.V. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.subject | AMYLOID PRECURSOR PROTEIN | - |
dc.subject | SERINE-PROTEASE | - |
dc.subject | ACCUMULATION | - |
dc.subject | DISEASE | - |
dc.subject | PEPTIDE | - |
dc.subject | BAX | - |
dc.subject | NEURODEGENERATION | - |
dc.subject | DEGRADATION | - |
dc.subject | INVOLVEMENT | - |
dc.subject | APOPTOSIS | - |
dc.title | Intracellular A beta and C99 aggregates induce mitochondria-dependent cell death in human neuroglioma H4 cells through recruitment of the 20S proteasome subunits | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kang, Seongman | - |
dc.identifier.doi | 10.1016/j.brainres.2009.04.001 | - |
dc.identifier.scopusid | 2-s2.0-67349132288 | - |
dc.identifier.wosid | 000267516600001 | - |
dc.identifier.bibliographicCitation | BRAIN RESEARCH, v.1273, pp.1 - 8 | - |
dc.relation.isPartOf | BRAIN RESEARCH | - |
dc.citation.title | BRAIN RESEARCH | - |
dc.citation.volume | 1273 | - |
dc.citation.startPage | 1 | - |
dc.citation.endPage | 8 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Neurosciences & Neurology | - |
dc.relation.journalWebOfScienceCategory | Neurosciences | - |
dc.subject.keywordPlus | AMYLOID PRECURSOR PROTEIN | - |
dc.subject.keywordPlus | SERINE-PROTEASE | - |
dc.subject.keywordPlus | ACCUMULATION | - |
dc.subject.keywordPlus | DISEASE | - |
dc.subject.keywordPlus | PEPTIDE | - |
dc.subject.keywordPlus | BAX | - |
dc.subject.keywordPlus | NEURODEGENERATION | - |
dc.subject.keywordPlus | DEGRADATION | - |
dc.subject.keywordPlus | INVOLVEMENT | - |
dc.subject.keywordPlus | APOPTOSIS | - |
dc.subject.keywordAuthor | Alzheimer&apos | - |
dc.subject.keywordAuthor | s disease | - |
dc.subject.keywordAuthor | Amyloid beta (A beta) | - |
dc.subject.keywordAuthor | C99 | - |
dc.subject.keywordAuthor | Proteasome | - |
dc.subject.keywordAuthor | Mitochondria-dependent cell death | - |
dc.subject.keywordAuthor | Human neuroglioma H4 cell | - |
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