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Central Nervous System Biomarkers: Transforming Neurological Diagnosis and Precision Medicine
Central Nervous System (CNS) biomarkers are biological indicators that provide critical insights into the functioning and pathology of the brain and spinal cord.
They can be measured in blood, cerebrospinal fluid, or through advanced imaging techniques, helping clinicians detect, monitor, and predict neurological conditions. Biomarkers have become essential in understanding diseases such as Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, traumatic brain injury, and stroke. They serve multiple roles, including diagnostic markers to confirm disease presence, prognostic markers to estimate outcomes, and predictive markers to assess treatment response. For example, amyloid-beta and tau proteins are established biomarkers for Alzheimer’s, while neurofilament light chain levels are emerging indicators for axonal injury across multiple CNS disorders. The ability to identify such markers early significantly enhances the chances of intervention before irreversible damage occurs.
The field of CNS biomarkers is rapidly advancing with the integration of genomics, proteomics, and neuroimaging. Personalized medicine is becoming…