Biomarkers are any substance of biological origin, which is used as an indicator for certain medical conditions. Atkinson et al., (2001) defined the biomarker as:
“A characteristic that is objectively measured and evaluated as an indicator of normal biological processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention”.
The assessment stated that a factual biomarker definition includes almost any measurement imitating an interaction between a potential hazard (biological, chemical or physical) and a biological system. The response of biomarkers measure functional and cellular level physiological, biochemical or a molecular interaction. Read more »