Related Experiment Video
Updated: May 14, 2026

Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis
Published on: December 1, 2023
CD21 positive B cell: a novel target for treatment of multiple sclerosis
Mojtaba Farjam1, Azin Ebrahimpour, Bahareh Fakhraei
1Department of Pharmacology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran. mfarjam@sums.ac.ir
Abstract:
Etiologic-based therapy is an ideal pharmacological option to treat or prevent diseases. There is no known etiology for multiple sclerosis (MS); however, environmental risk factors have been suggested to predispose genetically susceptible people to be affected by the disease. One of these risk factors is infection with Epstein-Barr virus (EBV). Eradication of this virus has not been effective in modulation of MS, probably due to being inhabitant in the CD21 (EBV receptor) positive B cells. To eradicate this virus, targeting CD21 on these EBV-infected B cells is hypothesized here. A sequential study plan to test this hypothesis has been suggested too. This study might eventually suggest an effective immunopharmacological strategy to treat MS. Moreover, testing this strategy will help in better clarification of the role of EBV in MS disease triggering and predisposition.
Insights
Multiple sclerosis (MS) may be linked to Epstein-Barr virus (EBV). Targeting CD21 on EBV-infected B cells could offer a new therapeutic strategy for MS treatment.
Area of Science:
- Immunology
- Virology
- Neurology
Background:
- Multiple sclerosis (MS) lacks a known etiology, but environmental factors like Epstein-Barr virus (EBV) are implicated.
- EBV resides in CD21-positive B cells, hindering eradication and MS treatment.
- Current EBV eradication methods have not effectively modulated MS progression.
Purpose of the Study:
- To propose a novel therapeutic strategy targeting CD21 on EBV-infected B cells for MS treatment.
- To investigate the role of EBV in MS pathogenesis and predisposition.
- To suggest a sequential study plan for testing this immunopharmacological approach.
Main Methods:
- Hypothesizing a targeted therapy against CD21-expressing B cells harboring EBV.
- Proposing a sequential study design to validate the therapeutic hypothesis.
- Analyzing the immunopharmacological effects of targeting EBV-infected B cells.
Main Results:
- The study proposes a novel hypothesis for MS treatment.
- A sequential study plan is outlined to test the hypothesis.
- The research aims to clarify EBV's role in MS.
Conclusions:
- Targeting CD21 on EBV-infected B cells presents a potential immunopharmacological strategy for MS.
- This approach may lead to effective treatment for MS.
- Further research will elucidate EBV's contribution to MS etiology.
Related Concept Videos
B Cell Activation and Differentiation
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
Multiple Sclerosis l: Introduction
T Cell Activation and Clonal Selection
Naive T cells that have not yet encountered an antigen express two primary CD...
EPS and iPS Cells in Disease Research

