Biomarker

Domain : Diagnosis

Category : My daily life

Simplified definition

Biomarkers are measurable evidence, found in the body thanks to medical examination, of a disease or certain conditions.

Source: Houria Aiouaz, for Alzheimer Foundation

Referenced definition

“A characteristic that is objectively measured and evaluated as an indicator of normal biologic processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention.”

Source: Openmd. Biomarker. [Internet]. [cited on Sept 7, 2022]. 

Context

“No single biomarker can by itself accurately diagnose AD. A combination of biomarkers assessed through imaging and cerebrospinal fluid (CSF) yields better diagnostic accuracy.”

Source: Khoury R, Ghossoub E. Diagnostic biomarkers of Alzheimer’s disease: A state-of-the-art review. Biomarkers in Neuropsychiatry. 2019;1.

Note

  •  Amyloid-beta and Tau are biomarkers for Alzheimer’s disease that can be found in cerebrospinal fluid during diagnosis.

Synonym(s)

Biological marker

Biomarker : RELATED DEFINITIONS

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