Biomarkers are the molecules which indicate normal/abnormal process taking place in the body and might be the sign of an underlying condition or disease. Various types of molecules can serve as biomarkers, such as DNA (genes), proteins or hormones since they all indicate the status of your health. Biomarkers take part in various processes like disease diagnosis and prognosis, prediction and calculation of treatment response, and also safety evaluation. The molecular biomarkers are exclusively being developed and validated to be used in drug development, and are used to support approval of drug products.