A Comprehensive Review on Biomarker and Its Role in Diseases

Biomarkers are essential to clinical practice. Understanding the organized definition, types, and roles of biomarkers in various clinical phases and diseases is crucial for understanding the significance of biomarkers in healthcare and medical research. This data highlights the significance of biomarkers in prognosis prediction, therapeutic decision guidance, and the advancement of personalized medicine, in addition to their role in illness diagnosis. The division of biomarkers into molecular, cellular, and imaging types offers a thorough summary of the various modalities that are employed in biomarker research. In addition, the segmentation according to clinical phases, which differentiates between prognostic, therapeutic, and diagnostic biomarkers, deepens the conversation by emphasizing the diverse functions that biomarkers fulfill in patient treatment. In the diagnosis, prognosis and treatment of a wide range of diseases, biomarkers are a component of a relatively new and perfect clinical instrument. Using biomarkers to research different aspects of diseases, develop new drugs, and track possible therapeutic intervention results has many advantages. They contribute to drug development, personalized medicine, and therapeutic interventions. The aim is to develop biomarkers with higher sensitivity and specificity to enhance decision-making and simplify the drug development process, add depth to the discussion, emphasizing the varied roles of biomarkers in patient care.