Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway
Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are poten...
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Gespeichert in:
| Autor*in: |
Petanceska, Suzana S. [verfasserIn] Seeger, Mary [verfasserIn] Checler, Frederic [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford UK: Blackwell Science Ltd. ; 2000 |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2008 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Journal of neurochemistry - Oxford : Wiley-Blackwell, 1956, 74(2000), 5, Seite 0 |
| Übergeordnetes Werk: |
volume:74 ; year:2000 ; number:5 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1046/j.1471-4159.2000.0741878.x |
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NLEJ243150091 |
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| 520 | |a Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. | ||
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10.1046/j.1471-4159.2000.0741878.x doi (DE-627)NLEJ243150091 DE-627 ger DE-627 rakwb Petanceska, Suzana S. verfasserin aut Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway Oxford UK Blackwell Science Ltd. 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Familial Alzheimer's disease Seeger, Mary verfasserin aut Checler, Frederic verfasserin aut Gandy, Sam oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 74(2000), 5, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:74 year:2000 number:5 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2000.0741878.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 74 2000 5 0 |
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10.1046/j.1471-4159.2000.0741878.x doi (DE-627)NLEJ243150091 DE-627 ger DE-627 rakwb Petanceska, Suzana S. verfasserin aut Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway Oxford UK Blackwell Science Ltd. 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Familial Alzheimer's disease Seeger, Mary verfasserin aut Checler, Frederic verfasserin aut Gandy, Sam oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 74(2000), 5, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:74 year:2000 number:5 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2000.0741878.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 74 2000 5 0 |
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10.1046/j.1471-4159.2000.0741878.x doi (DE-627)NLEJ243150091 DE-627 ger DE-627 rakwb Petanceska, Suzana S. verfasserin aut Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway Oxford UK Blackwell Science Ltd. 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Familial Alzheimer's disease Seeger, Mary verfasserin aut Checler, Frederic verfasserin aut Gandy, Sam oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 74(2000), 5, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:74 year:2000 number:5 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2000.0741878.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 74 2000 5 0 |
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10.1046/j.1471-4159.2000.0741878.x doi (DE-627)NLEJ243150091 DE-627 ger DE-627 rakwb Petanceska, Suzana S. verfasserin aut Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway Oxford UK Blackwell Science Ltd. 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Familial Alzheimer's disease Seeger, Mary verfasserin aut Checler, Frederic verfasserin aut Gandy, Sam oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 74(2000), 5, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:74 year:2000 number:5 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2000.0741878.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 74 2000 5 0 |
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10.1046/j.1471-4159.2000.0741878.x doi (DE-627)NLEJ243150091 DE-627 ger DE-627 rakwb Petanceska, Suzana S. verfasserin aut Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway Oxford UK Blackwell Science Ltd. 2000 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Familial Alzheimer's disease Seeger, Mary verfasserin aut Checler, Frederic verfasserin aut Gandy, Sam oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 74(2000), 5, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:74 year:2000 number:5 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2000.0741878.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 74 2000 5 0 |
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Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway |
| abstract |
Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. |
| abstractGer |
Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. |
| abstract_unstemmed |
Abstract: Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid β-peptide (Aβ42). To determine which subcellular compartments are potential source(s) of released Aβ42, we compared the levels and spatial segregation of intracellular Aβ40 and Aβ42 peptides between N2a neuroblastoma cells doubly transfected with the “Swedish” familial Alzheimer's disease-linked amyloid precursor protein variant and either wild-type PS1 (PS1wt) or familial Alzheimer's disease-linked Δ9 mutant PS1 (PS1Δ9). As expected, PS1Δ9-expressing cells had dramatically higher levels of intracellular Aβ42 than did cells expressing PS1wt. However, the highest levels of Aβ42 colocalized not with endoplasmic reticulum or Golgi markers but with rab8, a marker for trans-Golgi network (TGN)-to-plasma membrane (PM) transport vesicles. We show that PS1 mutants are capable of causing accumulation of Aβ42 in late compartments of the secretory pathway, generating there a readily releasable source of Aβ42. Our findings indicate that PS1 “bioactivity” localizes to the vicinity of the TGN and/or PM and reconcile the apparent discrepancy between the preponderant concentration of PS1 protein in proximal compartments of the secretory pathway and the recent findings that PS1 “bioactivity” can control γ-secretase-like processing of another trans-membrane substrate, Notch, at or near the PM. |
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| title_short |
Mutant Presenilin 1 Increases the Levels of Alzheimer Amyloid β-Peptide Aβ42 in Late Compartments of the Constitutive Secretory Pathway |
| url |
http://dx.doi.org/10.1046/j.1471-4159.2000.0741878.x |
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| author2 |
Seeger, Mary Checler, Frederic Gandy, Sam |
| author2Str |
Seeger, Mary Checler, Frederic Gandy, Sam |
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| doi_str |
10.1046/j.1471-4159.2000.0741878.x |
| up_date |
2024-07-06T04:28:46.395Z |
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7.4012766 |