Effect of Spinal Manometers on Cerebrospinal Fluid Amyloid-β Concentration. 2017

Jamie Toombs, and Martha S Foiani, and Ross W Paterson, and Amanda Heslegrave, and Selina Wray, and Jonathan M Schott, and Nick C Fox, and Michael P Lunn, and Kaj Blennow, and Henrik Zetterberg
Department of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.

The effect of spinal manometers on cerebrospinal fluid (CSF) amyloid-β (Aβ) concentration was investigated. Pooled human CSF samples were divided in two, one half passed through a manometer into a collection tube, the other transferred directly to a collection tube. CSF was analyzed for Aβ38/40/42 using an electrochemiluminescence immunoassay. Relative to control, use of a manometer decreased Aβ38/40/42 concentration by 5.6% (±1.5SE), 4.4% (±1.7SE), and 4.3% (±2.4SE), respectively. The ratios of Aβ42 :40, Aβ42 :38, and Aβ40 :38 were not affected by manometer treatment. Factors which artificially lower CSF Aβ concentrations are relevant to clinical diagnosis for AD and study design.

UI MeSH Term Description Entries
D008163 Luminescent Measurements Techniques used for determining the values of photometric parameters of light resulting from LUMINESCENCE. Bioluminescence Measurements,Bioluminescent Assays,Bioluminescent Measurements,Chemiluminescence Measurements,Chemiluminescent Assays,Chemiluminescent Measurements,Chemoluminescence Measurements,Luminescence Measurements,Luminescent Assays,Luminescent Techniques,Phosphorescence Measurements,Phosphorescent Assays,Phosphorescent Measurements,Assay, Bioluminescent,Assay, Chemiluminescent,Assay, Luminescent,Assay, Phosphorescent,Assays, Bioluminescent,Assays, Chemiluminescent,Assays, Luminescent,Assays, Phosphorescent,Bioluminescence Measurement,Bioluminescent Assay,Bioluminescent Measurement,Chemiluminescence Measurement,Chemiluminescent Assay,Chemiluminescent Measurement,Chemoluminescence Measurement,Luminescence Measurement,Luminescent Assay,Luminescent Measurement,Luminescent Technique,Measurement, Bioluminescence,Measurement, Bioluminescent,Measurement, Chemiluminescence,Measurement, Chemiluminescent,Measurement, Chemoluminescence,Measurement, Luminescence,Measurement, Luminescent,Measurement, Phosphorescence,Measurement, Phosphorescent,Measurements, Bioluminescence,Measurements, Bioluminescent,Measurements, Chemiluminescence,Measurements, Chemiluminescent,Measurements, Chemoluminescence,Measurements, Luminescence,Measurements, Luminescent,Measurements, Phosphorescence,Measurements, Phosphorescent,Phosphorescence Measurement,Phosphorescent Assay,Phosphorescent Measurement,Technique, Luminescent,Techniques, Luminescent
D008365 Manometry Measurement of the pressure or tension of liquids or gases with a manometer. Tonometry,Manometries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013048 Specimen Handling Procedures for collecting, preserving, and transporting of specimens sufficiently stable to provide accurate and precise results suitable for clinical interpretation. Specimen Collection,Collection, Specimen,Collections, Specimen,Handling, Specimen,Handlings, Specimen,Specimen Collections,Specimen Handlings
D013129 Spinal Puncture Tapping fluid from the subarachnoid space in the lumbar region, usually between the third and fourth lumbar vertebrae. Lumbar Puncture,Spinal Tap,Lumbar Punctures,Puncture, Lumbar,Puncture, Spinal,Punctures, Lumbar,Punctures, Spinal,Spinal Punctures,Spinal Taps,Tap, Spinal,Taps, Spinal
D015415 Biomarkers Measurable and quantifiable biological parameters (e.g., specific enzyme concentration, specific hormone concentration, specific gene phenotype distribution in a population, presence of biological substances) which serve as indices for health- and physiology-related assessments, such as disease risk, psychiatric disorders, ENVIRONMENTAL EXPOSURE and its effects, disease diagnosis; METABOLIC PROCESSES; SUBSTANCE ABUSE; PREGNANCY; cell line development; EPIDEMIOLOGIC STUDIES; etc. Biochemical Markers,Biological Markers,Biomarker,Clinical Markers,Immunologic Markers,Laboratory Markers,Markers, Biochemical,Markers, Biological,Markers, Clinical,Markers, Immunologic,Markers, Laboratory,Markers, Serum,Markers, Surrogate,Markers, Viral,Serum Markers,Surrogate Markers,Viral Markers,Biochemical Marker,Biologic Marker,Biologic Markers,Clinical Marker,Immune Marker,Immune Markers,Immunologic Marker,Laboratory Marker,Marker, Biochemical,Marker, Biological,Marker, Clinical,Marker, Immunologic,Marker, Laboratory,Marker, Serum,Marker, Surrogate,Serum Marker,Surrogate End Point,Surrogate End Points,Surrogate Endpoint,Surrogate Endpoints,Surrogate Marker,Viral Marker,Biological Marker,End Point, Surrogate,End Points, Surrogate,Endpoint, Surrogate,Endpoints, Surrogate,Marker, Biologic,Marker, Immune,Marker, Viral,Markers, Biologic,Markers, Immune
D016229 Amyloid beta-Peptides Peptides generated from AMYLOID BETA-PEPTIDES PRECURSOR. An amyloid fibrillar form of these peptides is the major component of amyloid plaques found in individuals with Alzheimer's disease and in aged individuals with trisomy 21 (DOWN SYNDROME). The peptide is found predominantly in the nervous system, but there have been reports of its presence in non-neural tissue. Alzheimer beta-Protein,Amyloid Protein A4,Amyloid beta-Peptide,Amyloid beta-Protein,beta Amyloid,beta-Amyloid Protein,Alzheimer's ABP,Alzheimer's Amyloid Fibril Protein,Amyloid AD-AP,Amyloid Fibril Protein, Alzheimer's,Amyloid beta-Proteins,ABP, Alzheimer's,AD-AP, Amyloid,Alzheimer ABP,Alzheimer beta Protein,Alzheimers ABP,Amyloid AD AP,Amyloid beta Peptide,Amyloid beta Peptides,Amyloid beta Protein,Amyloid beta Proteins,Amyloid, beta,Protein A4, Amyloid,Protein, beta-Amyloid,beta Amyloid Protein,beta-Peptide, Amyloid,beta-Peptides, Amyloid,beta-Protein, Alzheimer,beta-Protein, Amyloid,beta-Proteins, Amyloid
D055664 Electrochemical Techniques The utilization of an electrical current to measure, analyze, or alter chemicals or chemical reactions in solution, cells, or tissues. Electrochemical Technics,Electrochemical Technic,Electrochemical Technique,Technic, Electrochemical,Technics, Electrochemical,Technique, Electrochemical,Techniques, Electrochemical

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