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Updated: Jan 21, 2026

Measuring Progressive Neurological Disability in a Mouse Model of Multiple Sclerosis
Published on: November 14, 2016
Differential Diagnostics of Active Progressing Multiple Sclerosis Using a Fluorescent Biomarker with Resonance Energy
Ya A Lomakin1,2, A A Kudryaeva1, N N Kostin1
1M. M. Schemyakin and Yu. A. Ovchinnnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
Abstract:
Previous data showed that myelin-reactive autoantibodies found in patients with multiple sclerosis and mice with experimental autoimmune encephalomyelitis recognize and hydrolyze various fragments of myelin basic protein (MBP). Moreover, antibody-mediated cleavage of the encephalithogenic fragment MBP81-103 flanked with two fluorescent proteins can serve as a new biomarker of multiple sclerosis. Here we describe creation of the next generation of this biomarker based on antibody-dependent degradation of a new chemically synthesized fluorescent substrate with resonance energy transfer that contains fluorophore Cy5 and quencher QXL680 separated by MBP81-99 protein (Cy5-MBP81-99-QXL680). This substrate is degraded during incubation with purified antibodies and B cells from patients with multiple sclerosis, but not healthy volunteers.
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