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Understanding Cancer Biomarkers: Revolutionizing Diagnosis and Treatment
Cancer remains one of the most complex diseases affecting millions globally. Early detection and targeted treatment are crucial in improving patient outcomes, and this is where cancer biomarkers play a transformative role. Cancer biomarkers are biological molecules found in blood, tissues, or other bodily fluids that indicate the presence of cancer. They can be genes, proteins, or specific molecules associated with tumor growth and progression. By studying these markers, clinicians gain critical insights into the development, type, and aggressiveness of cancer.
One of the primary advantages of cancer biomarkers is early detection. Traditional imaging techniques often detect tumors only when they have grown to a noticeable size. In contrast, biomarkers can reveal changes at the molecular level, allowing for diagnosis even before symptoms appear. For example, prostate-specific antigen (PSA) is a well-known biomarker for prostate cancer, while CA-125 is often associated with ovarian…