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Cited by 438

The DOI matches its Crossref record; 83 of the 83 references it cites were found in a registry or an index.

FTY720 (fingolimod) in Multiple Sclerosis: therapeutic effects in the immune and the central nervous system

Open access
Brinkmann, Volker·2009·British Journal of Pharmacology

Abstract

FTY720 (fingolimod) is a first‐in‐class sphingosine 1‐phosphate (S1P) receptor modulator that was highly effective in Phase II clinical trials for Multiple Sclerosis (MS). FTY720 is phosphorylated in vivo by sphingosine kinase‐2 to form the active moiety FTY720‐phosphate that binds to four of the five G protein‐coupled S1P receptor subtypes. Studies using conditional S1P1 receptor‐deficient and sphingosine kinase‐deficient mice showed that the egress of lymphocytes from lymph nodes requires signalling of lymphocytic S1P1 receptors by the endogenous ligand S1P. The S1P mimetic FTY720‐phosphate causes internalization and degradation of cell membrane‐expressed S1P1, thereby antagonizing S1P action at the receptor. In models of human MS and demyelinating polyneuropathies, functional antagonism of lymphocytic S1P1 slows S1P‐driven egress of lymphocytes from lymph nodes, thereby reducing the numbers of autoaggressive TH17 cells that recirculate via lymph and blood to the central nervous system and the sciatic/ischiatic nerves. Based on its lipophilic nature, FTY720 crosses the blood–brain barrier, and ongoing experiments suggest that the drug also down‐modulates S1P1 in neural cells/astrocytes to reduce astrogliosis, a phenomenon associated with neurodegeneration in MS. This may help restore gap‐junctional communication of astrocytes with neurons and cells of the blood–brain barrier. Additional effects may result from (down‐) modulation of S1P3 in astrocytes and of S1P1 and S1P5 in oligodendrocytes. In conclusion, FTY720 may act through immune‐based and central mechanisms to reduce inflammation and support structural restoration of the central nervous system parenchyma. Beyond the autoimmune indications, very recent studies suggest that short‐term, low‐dose administration of FTY720 could help treat chronic (viral) infections. Differential effects of the drug on the trafficking of naïve, central memory and effector memory T cell subsets are discussed.

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Metadata

Authors
Brinkmann, V.
Venue
British Journal of Pharmacology
Publisher
Wiley
Published
2009-10-20
Volume
158
Issue
5
Pages
1173-1182
ISSN
  • 0007-1188 (ISSN-L)
  • 1476-5381
OpenAlex
W2059921365
Cited by
438
References
83
FWCI
27.34
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: FTY720 (fingolimod) in Multiple Sclerosis: therapeutic effects in the immune and the central nervous system. https://app.cochat.ai/papers/10.1111/j.1476-5381.2009.00451.x
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Brinkmann, V. (2009). FTY720 (fingolimod) in Multiple Sclerosis: therapeutic effects in the immune and the central nervous system. British Journal of Pharmacology. https://doi.org/10.1111/j.1476-5381.2009.00451.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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