biomarkers in MS as of 2022

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frodo
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biomarkers in MS as of 2022

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https://www.intechopen.com/online-first/82798

Abstract

Clinical, biological, and radiological evidence are currently needed to diagnose MS, but lack of preclinical biomarkers hinders the earliest possible diagnosis and treatment.

Conventional biomarkers target immunity, blood-brain barrier disruption, demyelination, and neuronal and axonal damage, as well as mitochondrial activity. An increase of specific brain metabolites with 30–40% is registered before detection of MRI lesions in MS. Potential lipid biomarkers are fatty acids, phospholipids, and oxysterols. The role of proteoforms in the pathogenesis of MS was confirmed. Serum neurofilament light chains (sNfL) are currently being studied as a readily available biomarker for prognosis and response to treatment in MS.

The sNfL levels reflect ongoing neuroaxonal damage caused by inflammation, and the sNfL levels predict disease activity over the next few years. The retinal nerve fiber layer (RNFL) thinning is reliable as a biomarker of disability worsening. The neutrophil-to-lymphocyte ratio and CRP are also MS biomarkers.

The development of rationally targeted therapeutic agents that allow preventive treatment to stop the disease is also delayed without definite biomarkers.
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