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Cellular immunophenotyping in multiple sclerosis: advances and clinical implications
Thiemo M Möllenkamp1, Louisa Müller-Miny, Gerd Meyer Zu Hörste
1Department of Neurology, University Hospital Münster, Münster, Germany.
Insights
Advances in immunophenotyping reveal distinct immune profiles in multiple sclerosis (MS). These insights aid in diagnosing MS, predicting disease progression, and personalizing treatment strategies for better patient outcomes.
Area of Science:
- Immunology
- Neurology
- Medical Technology
Background:
- Multiple sclerosis (MS) is a complex neurological disease with heterogeneous clinical presentations.
- Immune system dysregulation is a key driver of MS pathogenesis.
- Current diagnostic and therapeutic approaches for MS require refinement to address disease heterogeneity.
Purpose of the Study:
- To review recent methodological advances in immunophenotyping for multiple sclerosis.
- To discuss the clinical implications of these advances for MS diagnosis, prognosis, and treatment.
- To highlight the potential of precision immunology in managing MS.
Main Methods:
- High-dimensional flow cytometry and single-cell technologies.
- Novel spectral flow and mass cytometry panels.
- Analysis of immune cell subsets, including myeloid cells and tissue-resident T cells.
Main Results:
- Immunophenotyping can define MS immunological endophenotypes linked to disease trajectories.
- Distinct immune cell subsets are identified using advanced cytometry techniques.
- Baseline immune signatures correlate with disease progression and treatment response, identifying patients at risk of rapid progression or treatment failure.
- Immunophenotyping can guide treatment decisions, such as monitoring B-cell repopulation for personalized dosing.
Conclusions:
- Immunophenotyping offers precise characterization of MS immuno-pathogenesis.
- These advanced tools show promise for improving differential diagnosis and individualizing MS therapy.
- Ongoing research and standardization are crucial for integrating precision immunology into clinical practice for MS management.
Purpose Of Review:
Multiple sclerosis is a clinically heterogeneous disease that is driven by complex immune mechanisms. This review summarizes recent methodological advances in immunophenotyping and discusses clinical implications for diagnosis, prognosis, therapy selection, and monitoring.
Recent Findings:
Methodological advances like high-dimensional flow cytometry and single-cell technologies aim to define Multiple sclerosis immunological endophenotypes associated with different disease trajectories. Novel spectral flow and mass cytometry panels reveal distinct immune cell subsets. Myeloid cell populations have been identified in aggressive disease variants and tissue-resident T cells in cerebrospinal fluid. Clinically, baseline immune signatures aim to predict disease progression and treatment response. Patients with a highly inflammatory immune profile have been found to exhibit more rapid progression and to be prone to treatment failure. Immunophenotyping may therefore guide treatment, from identifying those at risk of Alemtuzumab-induced autoimmunity to monitoring B-cell repopulation for personalized dosing schedules.
Summary:
Immunophenotyping enables increasingly precise characterization of Multiple sclerosis immuno-pathogenesis. While not yet routine, these tools show promise for improving differential diagnosis, individualizing therapy initiation and monitoring. Ongoing research and standardization are paving the way towards precision immunology-approaches in clinical practice.
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