In biomedical contexts, a biomarker, or biological marker, is a measurable indicator of some biological state or condition. Biomarkers are often measured and evaluated using blood, urine, or soft tissues to examine normal biological processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention. Biomarkers are used in many scientific fields.

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This Biomarker Can Foreshadow Early Alzheimer's Years Before Symptoms

New biomarker for early prediction of response to CAR-T cell therapy

Breakthrough Test for Alzheimer’s: New Biomarker Can Detect Neurodegeneration in Blood

New biomarker test can detect Alzheimer's neurodegeneration in blood

A New Biomarker for Acute COVID-19 May Have Been Found in Blood

Researchers may have found a new biomarker for acute COVID-19

Researchers may have found a new biomarker for acute COVID-19

New biomarker could help diagnose Alzheimer's disease early

Scientists Discover New Biomarker To Aid in Early Diagnosis of Alzheimer’s Disease

Cancer biomarker data is not diverse, with implications for immunotherapy patients from underrepresented groups

Researchers identify potential biomarker to distinguish two aggressive types of brain tumors in children

New biomarker speeds identification of lung disease

Muscle biopsy test for biomarker could lead to earlier diagnosis of ALS

A biomarker that can diagnose Parkinson's disease

Researchers identify biomarker panel that could help predict gestational diabetes in early pregnancy

Warning About Brain-Boosting Supplements After Alzheimer’s Disease Biomarker Discovery

New research identifies blood biomarker for predicting dementia before symptoms develop

Plasma biomarker screening could improve accuracy, health equity in Alzheimer’s disease diagnosis

Researchers identify biomarker for depression, antidepressant response

Biomarker discovery makes early detection of high-risk COVID-19 patients possible