The Effects of PDE Inhibitors on Multiple Sclerosis : a Review of in vitro and in vivo Models

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BACKGROUND: Multiple sclerosis (MS) is a chronic inflammatory and immune-mediated disease, whose current therapeutic means are mostly effective in the relapsing-remitting form of MS, where inflammation is still prominent, but fall short of preventing long term impairment. However, apart from inflammationmediated demyelination, autoimmune mechanisms play a major role in MS pathophysiology, constituting a promising pharmacological target. Phosphodiesterase (PDE) inhibitors have been approved for clinical use in psoriasis and have undergone trials suggesting their neuroprotective effects, rendering them eligible as an option for accessory MS therapy.

OBJECTIVE: In this review, we discuss the potential role of PDE inhibitors as a complementary MS therapy.

METHODS: We conducted a literature search through which we screened and comparatively assessed papers on the effects of PDE inhibitor use, both in vitro and in animal models of MS, taking into account a number of inclusion and exclusion criteria.

RESULTS: In vitro studies indicated that PDE inhibitors promote remyelination and axonal sustenance, while curbing inflammatory cell infiltration, hindering oligodendrocyte and neuronal loss and suppressing cytokine production. In vivo studies underlined that these agents alleviate symptoms and reduce disease scores in MS animal models.

CONCLUSION: PDE inhibitors proved to be effective in addressing various aspects of MS pathogenesis both in vitro and in vivo models. Given the latest clinical trials proving that the PDE4 inhibitor Ibudilast exerts neuroprotective effects in patients with progressive MS, research on this field should be intensified and selective PDE4 inhibitors with enhanced safety features should be seriously considered as prospective complementary MS therapy.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:27

Enthalten in:

Current pharmaceutical design - 27(2021), 20 vom: 26., Seite 2387-2397

Sprache:

Englisch

Beteiligte Personen:

Ainatzoglou, Alexandra [VerfasserIn]
Stamoula, Eleni [VerfasserIn]
Dardalas, Ioannis [VerfasserIn]
Siafis, Spyridon [VerfasserIn]
Papazisis, Georgios [VerfasserIn]

Links:

Volltext

Themen:

EAE
Immunomodulation.
In vitro
In vivo
Journal Article
MS
PDE inhibitors
Phosphodiesterase Inhibitors
Review
Rolipram

Anmerkungen:

Date Completed 21.10.2021

Date Revised 21.10.2021

published: Print

Citation Status MEDLINE

doi:

10.2174/1381612827666210303142356

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM322133432