Biomarkers are biological molecules or genes that act as indicators of a physiological or pathological state. They provide valuable insight into a person’s health and can be used to diagnose, monitor, and treat diseases. There are seven main types of biomarkers:
1. Genetic Biomarkers: These are genetic sequences that can be used to identify a particular disease or condition. They can also be used to predict a person’s risk of developing a particular condition. Examples of genetic biomarkers include single nucleotide polymorphisms (SNPs) and copy number variations (CNVs).
2. Protein Biomarkers: These are proteins that are indicative of a certain disease or condition. Examples of protein biomarkers include tumor markers, cardiac markers, and markers for autoimmune diseases.
3. Metabolic Biomarkers: These are metabolites that are indicative of a certain disease or condition. Examples of metabolic biomarkers include glucose, cholesterol, and triglycerides.
4. Cellular Biomarkers: These are cells or cell components that can be used to identify a particular disease or condition. Examples of cellular biomarkers include white blood cells, red blood cells, and platelets.
5. Imaging Biomarkers: These are imaging techniques that can be used to identify a particular disease or condition. Examples of imaging biomarkers include MRI, CT scan, and PET scan.
6. Endocrine Biomarkers: These are hormones that are indicative of a certain disease or condition. Examples of endocrine biomarkers include cortisol, insulin, and thyroxine.
7. Molecular Biomarkers: These are molecules that are indicative of a certain disease or condition. Examples of molecular biomarkers include microRNA, epigenetic markers, and gene expression.
Biomarkers are a powerful tool in the diagnosis, treatment, and monitoring of diseases and can provide valuable insight into a person’s health. By understanding the different types of biomarkers, health professionals can make more informed decisions when it comes to patient care.