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Biometal Dyshomeostasis in Olfactory Mucosa of Alzheimer's Disease Patients
R. Lampinen, V. Górová, S. Avesani, JR. Liddell, E. Penttilä, T. Závodná, Z. Krejčík, JM. Lehtola, T. Saari, J. Kalapudas, S. Hannonen, H. Löppönen, J. Topinka, AM. Koivisto, AR. White, R. Giugno, KM. Kanninen
Jazyk angličtina Země Švýcarsko
Typ dokumentu časopisecké články
Grantová podpora
295425
Academy of Finland
N/A
Sigrid Jusélius Foundation
N/A
University of Eastern Finland
Free Medical Journals od 2000
Freely Accessible Science Journals od 2000
PubMed Central od 2007
Europe PubMed Central od 2007
ProQuest Central od 2000-03-01
Open Access Digital Library od 2000-01-01
Open Access Digital Library od 2007-01-01
Health & Medicine (ProQuest) od 2000-03-01
ROAD: Directory of Open Access Scholarly Resources od 2000
Odkazy
PubMed
35456941
DOI
10.3390/ijms23084123
Knihovny.cz E-zdroje
- MeSH
- Alzheimerova nemoc * metabolismus MeSH
- chelátory metabolismus MeSH
- čichová sliznice metabolismus MeSH
- lidé MeSH
- stopové prvky * metabolismus MeSH
- vápník metabolismus MeSH
- zinek metabolismus MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Olfactory function, orchestrated by the cells of the olfactory mucosa at the rooftop of the nasal cavity, is disturbed early in the pathogenesis of Alzheimer's disease (AD). Biometals including zinc and calcium are known to be important for sense of smell and to be altered in the brains of AD patients. Little is known about elemental homeostasis in the AD patient olfactory mucosa. Here we aimed to assess whether the disease-related alterations to biometal homeostasis observed in the brain are also reflected in the olfactory mucosa. We applied RNA sequencing to discover gene expression changes related to metals in olfactory mucosal cells of cognitively healthy controls, individuals with mild cognitive impairment and AD patients, and performed analysis of the elemental content to determine metal levels. Results demonstrate that the levels of zinc, calcium and sodium are increased in the AD olfactory mucosa concomitantly with alterations to 17 genes related to metal-ion binding or metal-related function of the protein product. A significant elevation in alpha-2-macroglobulin, a known metal-binding biomarker correlated with brain disease burden, was observed on the gene and protein levels in the olfactory mucosa cells of AD patients. These data demonstrate that the olfactory mucosa cells derived from AD patients recapitulate certain impairments of biometal homeostasis observed in the brains of patients.
A 1 Virtanen Institute for Molecular Sciences University of Eastern Finland 70210 Kuopio Finland
Department of Biochemistry and Pharmacology The University of Melbourne Melbourne VIC 3010 Australia
Department of Computer Science University of Verona 37134 Verona Italy
Department of Neurology NeuroCentre Kuopio University Hospital 70210 Kuopio Finland
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- $a Olfactory function, orchestrated by the cells of the olfactory mucosa at the rooftop of the nasal cavity, is disturbed early in the pathogenesis of Alzheimer's disease (AD). Biometals including zinc and calcium are known to be important for sense of smell and to be altered in the brains of AD patients. Little is known about elemental homeostasis in the AD patient olfactory mucosa. Here we aimed to assess whether the disease-related alterations to biometal homeostasis observed in the brain are also reflected in the olfactory mucosa. We applied RNA sequencing to discover gene expression changes related to metals in olfactory mucosal cells of cognitively healthy controls, individuals with mild cognitive impairment and AD patients, and performed analysis of the elemental content to determine metal levels. Results demonstrate that the levels of zinc, calcium and sodium are increased in the AD olfactory mucosa concomitantly with alterations to 17 genes related to metal-ion binding or metal-related function of the protein product. A significant elevation in alpha-2-macroglobulin, a known metal-binding biomarker correlated with brain disease burden, was observed on the gene and protein levels in the olfactory mucosa cells of AD patients. These data demonstrate that the olfactory mucosa cells derived from AD patients recapitulate certain impairments of biometal homeostasis observed in the brains of patients.
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