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Biomarkers in clinical medicine
Xiao-He Chen1, Shuwen Huang, David Kerr
1University of Oxford, Oxford, UK. xiao-he.chen@ndcls.ox.ac.uk
IARC Scientific Publications
|September 25, 2012
Summary
Biomarkers, objectively measured health indicators, are revolutionizing medicine. Advances in molecular biology enable their use in early disease detection, treatment, and prognosis across various medical fields.
Area of Science:
- Biomarker research and application in molecular biology and clinical medicine.
Background:
- Biomarkers have a long history in clinical medicine.
- Recent advances in genomics and molecular biology have propelled biomarker studies into a new era.
- Biomarkers are crucial for early diagnosis and effective disease treatment.
Purpose of the Study:
- To define biomarkers and their five categories based on disease stages: antecedent, screening, diagnostic, staging, and prognostic.
- To explore the diverse applications of biomarkers in preventive medicine, diagnostics, therapeutics, and prognostics.
- To discuss the current status and public health implications of biomarker utilization in clinical practice.
Main Methods:
- The chapter defines biomarkers as objectively measured characteristics indicating biological processes or therapeutic responses.
- Biomarkers are classified into five categories based on their role in disease management.
- The review focuses on the application of biomarkers in preventive medicine, diagnostics, therapeutics, prognostics, and public health.
Main Results:
- Biomarkers serve as indicators of normal biological processes, disease states, or treatment efficacy.
- They can identify risks, screen for subclinical disease, diagnose overt disease, stage severity, and predict prognosis.
- Biomarkers reflect exposures, genetic susceptibility, and responses to interventions.
Conclusions:
- Biomarkers are essential tools in modern medicine, offering insights from disease risk assessment to treatment monitoring.
- Their classification aids in understanding their diverse roles across the entire spectrum of healthcare.
- The integration of biomarkers into clinical practice and public health is expanding due to technological advancements.
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