Animal models of Multiple Sclerosis
Claudio Procaccini1, Veronica De Rosa2, Valentina Pucino3
1Laboratorio di Immunologia, Istituto di Endocrinologia e Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR) c/o Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli "Federico II", 80131 Napoli, Italy.
Abstract:
Multiple Sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS) which involves a complex interaction between immune system and neural cells. Animal modeling has been critical for addressing MS pathogenesis. The three most characterized animal models of MS are (1) the experimental autoimmune/allergic encephalomyelitis (EAE); (2) the virally-induced chronic demyelinating disease, known as Theiler׳s murine encephalomyelitis virus (TMEV) infection and (3) the toxin-induced demyelination. All these models, in a complementary way, have allowed to reach a good knowledge of the pathogenesis of MS. Specifically, EAE is the model which better reflects the autoimmune pathogenesis of MS and is extremely useful to study potential experimental treatments. Furthermore, both TMEV and toxin-induced demyelination models are suitable for characterizing the role of the axonal injury/repair and the remyelination process in MS. In conclusion, animal models, despite their limitations, remain the most useful instrument for implementing the study of MS.
Insights
Animal models are crucial for understanding Multiple Sclerosis (MS) pathogenesis. Key models like EAE, TMEV, and toxin-induced demyelination aid research into MS autoimmune aspects, axonal injury, and remyelination.
Area of Science:
- Neuroscience
- Immunology
- Pathology
Background:
- Multiple Sclerosis (MS) is a central nervous system (CNS) inflammatory demyelinating disease.
- MS pathogenesis involves complex immune system and neural cell interactions.
Purpose of the Study:
- To review the utility of animal models in studying Multiple Sclerosis (MS).
- To highlight the contributions of different MS animal models to understanding disease mechanisms and potential treatments.
Main Methods:
- Review of established animal models for MS research.
- Experimental Autoimmune Encephalomyelitis (EAE) model.
- Theiler's Murine Encephalomyelitis Virus (TMEV) infection model.
- Toxin-induced demyelination models.
Main Results:
- EAE model effectively mimics autoimmune pathogenesis and aids in testing experimental treatments for MS.
- TMEV and toxin-induced models are valuable for studying axonal injury, repair, and remyelination in MS.
- These models collectively enhance understanding of MS pathogenesis.
Conclusions:
- Animal models, despite limitations, are indispensable tools for MS research.
- Complementary use of EAE, TMEV, and toxin-induced models advances MS knowledge.
- Continued reliance on animal models is vital for future MS studies.
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