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Cerebrospinal fluid...
Cerebrospinal fluid profiles of amyloid β-related biomarkers in Alzheimer's disease.
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- Rosén, Christoffer, 1986 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Andreasson, Ulf, 1968 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Mattsson, Niklas, 1979 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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Marcusson, Jan (author)
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Minthon, Lennart (author)
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- Andreasen, Niels (author)
- Karolinska Institutet
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- Blennow, Kaj, 1958 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Zetterberg, Henrik, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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(creator_code:org_t)
- 2012-02-18
- 2012
- English.
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In: Neuromolecular medicine. - : Springer Science and Business Media LLC. - 1559-1174 .- 1535-1084. ; 14:1, s. 65-73
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Abstract
Subject headings
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- The amyloid cascade hypothesis on the pathogenesis of Alzheimer's disease (AD) states that amyloid β (Aβ) accumulation in the brain is a key factor that initiates the neurodegenerative process. Aβ is generated from amyloid precursor protein (APP) through sequential cleavages by BACE1 (the major β-secretase in the brain) and γ-secretase. The purpose of this study was to characterize APP metabolism in vivo in AD patients versus cognitively healthy subjects by examining alterations in cerebrospinal fluid (CSF) biomarkers. We measured BACE1 activity and concentrations of α- and β-cleaved soluble APP (sAPPα and sAPPβ, respectively) and Aβ40 in CSF, biomarkers that all reflect the metabolism of APP, in 75 AD patients and 65 cognitively healthy controls. These analytes were also applied in a multivariate model to determine whether they provided any added diagnostic value to the core CSF AD biomarkers Aβ42, T-tau, and P-tau. We found no significant differences in BACE1 activity or sAPPα, sAPPβ, and Aβ40 concentrations between AD patients and controls. A multivariate model created with all analytes did not improve the separation of AD patients from controls compared with using the core AD biomarkers alone, highlighting the strong diagnostic performance of Aβ42, T-tau, and P-tau for AD. However, AD patients in advanced clinical stage, as determined by low MMSE score (≤20), had lower BACE1 activity and sAPPα, sAPPβ, and Aβ40 concentrations than patients with higher MMSE score, suggesting that these markers may be related to the severity of the disease.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Keyword
- Aged
- Aged
- 80 and over
- Alzheimer Disease
- cerebrospinal fluid
- diagnosis
- Amyloid Precursor Protein Secretases
- cerebrospinal fluid
- Amyloid beta-Peptides
- cerebrospinal fluid
- metabolism
- Aspartic Acid Endopeptidases
- cerebrospinal fluid
- Biological Markers
- cerebrospinal fluid
- Female
- Humans
- Male
- Middle Aged
- Peptide Fragments
- cerebrospinal fluid
- Severity of Illness Index
- tau Proteins
- cerebrospinal fluid
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Rosén, Christoff ...
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Andreasson, Ulf, ...
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Mattsson, Niklas ...
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Marcusson, Jan
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Minthon, Lennart
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Andreasen, Niels
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show more...
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Blennow, Kaj, 19 ...
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Zetterberg, Henr ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Clinical Laborat ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
- Articles in the publication
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Neuromolecular m ...
- By the university
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University of Gothenburg
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Karolinska Institutet