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Current Alzheimer Research


ISSN (Print): 1567-2050
ISSN (Online): 1875-5828

Neuroinflammation and Complexes of 17β -Hydroxysteroid Dehydrogenase type 10 - Amyloid β in Alzheimer's Disease

Author(s): Zdena Kristofikova, Daniela Ripova, Ales Bartos, Marketa Bockova, Katerina Hegnerova, Jan Ricny, Linda Cechova, Monika Vrajova and Jiri Homola

Volume 10, Issue 2, 2013

Page: [165 - 173] Pages: 9

DOI: 10.2174/1567205011310020006

Price: $65


Multifunctional mitochondrial enzyme 17β-hydroxysteroid dehydrogenase type 10 plays a role in the development of Alzheimer’s disease. However, changes in its expression in the brain or cerebrospinal fluid are not fully specific for this type of dementia. Our previous study revealed that complexes of the enzyme and amyloid β in cerebrospinal fluid could serve as a more specific biomarker of Alzheimer’s disease than either the enzyme or amyloid β individually when compared to autoimmune multiple sclerosis. In this study, enzyme-linked immunosorbent assay and the surface plasmon resonance biosensor method were used to analyse cerebrospinal fluid of patients with various neuroinflammatory diseases. Significant differences in the levels of the total enzyme, complexes, amyloid β 1-42 and total τ/phospho-τ were found in Alzheimer’s disease patients while differences in complexes, total amyloid β and amyloid β 1- 42 were observed in patients with neuroinflammatory diseases (except for multiple sclerosis) when compared to nonneuroinflammatory controls. The interactions of the enzyme with amyloid β appeared to depend strongly on neuroinflammation-sensitive amyloid β. Our data demonstrated that oligomerisation/aggregation of intracellular amyloid β peptides was important in Alzheimer’s disease while extracellular amyloid β could play a role in neuroinflammatory diseases. Phospho-τ is currently the best biomarker of Alzheimer’s disease.

Keywords: Amyloid β, mitochondrial enzyme, Alzheimer’s disease, neuroinflammation

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