Age-related calcium dysregulation linked with tau pathology and impaired cognition in non-human primates.
Aging
/ pathology
Animals
Calcium
/ metabolism
Calcium Signaling
Cognitive Dysfunction
/ pathology
Cyclic AMP-Dependent Protein Kinases
/ metabolism
Disease Models, Animal
Humans
Macaca mulatta
Male
Neurons
/ metabolism
Phosphorylation
Prefrontal Cortex
/ pathology
Rats
Ryanodine Receptor Calcium Release Channel
tau Proteins
/ metabolism
PKA
aging
association cortex
calpain
impaired cognition
macaque
pyramidal cells
ryanodine receptor
tau
Journal
Alzheimer's & dementia : the journal of the Alzheimer's Association
ISSN: 1552-5279
Titre abrégé: Alzheimers Dement
Pays: United States
ID NLM: 101231978
Informations de publication
Date de publication:
06 2021
06 2021
Historique:
revised:
04
02
2021
received:
24
08
2020
accepted:
11
02
2021
pubmed:
9
4
2021
medline:
16
11
2021
entrez:
8
4
2021
Statut:
ppublish
Résumé
The etiology of sporadic Alzheimer's disease (AD) requires non-genetically modified animal models. The relationship of tau phosphorylation to calcium-cyclic adenosine monophosphate (cAMP)-protein kinase A (PKA) dysregulation was analyzed in aging rhesus macaque dorsolateral prefrontal cortex (dlPFC) and rat primary cortical neurons using biochemistry and immuno-electron microscopy. The influence of calcium leak from ryanodine receptors (RyRs) on neuronal firing and cognitive performance was examined in aged macaques. Aged monkeys naturally develop hyperphosphorylated tau, including AD biomarkers (AT8 (pS202/pT205) and pT217) and early tau pathology markers (pS214 and pS356) that correlated with evidence of increased calcium leak (pS2808-RyR2). Calcium also regulated early tau phosphorylation in vitro. Age-related reductions in the calcium-binding protein, calbindin, and in phosphodiesterase PDE4D were seen within dlPFC pyramidal cell dendrites. Blocking RyRs with S107 improved neuronal firing and cognitive performance in aged macaques. Dysregulated calcium signaling confers risk for tau pathology and provides a potential therapeutic target.
Identifiants
pubmed: 33829643
doi: 10.1002/alz.12325
pmc: PMC8195842
mid: NIHMS1678459
doi:
Substances chimiques
Ryanodine Receptor Calcium Release Channel
0
tau Proteins
0
Cyclic AMP-Dependent Protein Kinases
EC 2.7.11.11
Calcium
SY7Q814VUP
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
920-932Subventions
Organisme : NIA NIH HHS
ID : R01 AG061190
Pays : United States
Organisme : NIA NIH HHS
ID : R56 AG052986
Pays : United States
Organisme : NIA NIH HHS
ID : P50 AG047270
Pays : United States
Organisme : NIA NIH HHS
ID : DP1 AG047744
Pays : United States
Organisme : NIA NIH HHS
ID : F31 AG063425
Pays : United States
Organisme : NIDA NIH HHS
ID : R01 DA023999
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH113257
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR001863
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG052986
Pays : United States
Organisme : NINDS NIH HHS
ID : T32 NS041228
Pays : United States
Organisme : NIDA NIH HHS
ID : R37 DA023999
Pays : United States
Organisme : NIA NIH HHS
ID : P30 AG066508
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG062306
Pays : United States
Informations de copyright
© 2021 The Authors. Alzheimer's & Dementia published by Wiley Periodicals LLC on behalf of Alzheimer's Association.
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