Review of multiple sclerosis: Epidemiology, etiology, pathophysiology, and treatment

Maha Haki1, Haeder A Al-Biati1, Zahraa Salam Al-Tameemi1,2

  • 1Department of Pharmacy, Bilad Alrafidain University College, Diyala, Iraq.

Medicine
|February 23, 2024
PubMed

Insights

Multiple sclerosis (MS) is an autoimmune disease causing central nervous system damage. This review covers MS pathophysiology, focusing on T-cell driven demyelination and current treatment strategies for symptom management and disease modification.

Area of Science:

  • Neurology
  • Immunology
  • Pathophysiology

Background:

  • Multiple sclerosis (MS) is a chronic autoimmune disease characterized by demyelination, inflammation, and neuronal loss in the central nervous system.
  • The pathophysiology involves immunogenic T cells, particularly T helper 1 (Th1) cells, producing cytokines that drive demyelination.
  • Autoreactive CD4+ T cells, often activated post-viral infection, are key initiators of MS-related myelin destruction.

Approach:

  • A narrative review was conducted using Google Scholar, PubMed, and Research Gate.
  • Searched for relevant keywords related to MS pathophysiology and treatment.
  • Excluded unique cases and case reports to focus on generalizable findings.

Key Points:

  • T-helper cells (CD4+) are central to the autoimmune attack on myelin in MS.
  • Treatment strategies encompass managing acute relapses, employing disease-modifying therapies, and alleviating symptoms.
  • Symptomatic treatments address spasticity, urinary incontinence, and bowel dysfunction with various pharmacological and non-pharmacological approaches.

Conclusions:

  • Understanding MS pathophysiology, particularly the role of T-cells, is crucial for developing effective treatments.
  • Current treatment plans involve a multi-faceted approach combining disease modification and symptom management.
  • Continued research is essential to advance therapeutic options for MS.

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