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Theophylline Induces Remyelination and Functional Recovery in a Mouse Model of Peripheral Neuropathy

1
Department of Biology, University of Fribourg, 1700 Fribourg, Switzerland
2
Faculty of Biology, Institute of Developmental Biology and Neurobiology, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
3
Department of Biomedicine, University Hospital Basel, 4031 Basel, Switzerland
4
Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Stefania Raimondo and Víctor M. Rivera
Biomedicines 2022, 10(6), 1418; https://doi.org/10.3390/biomedicines10061418
Received: 8 April 2022 / Revised: 5 June 2022 / Accepted: 7 June 2022 / Published: 15 June 2022
(This article belongs to the Section Neurobiology and Neurologic Disease)
Charcot-Marie-Tooth disease (CMT) is a large group of inherited peripheral neuropathies that are primarily due to demyelination and/or axonal degeneration. CMT type 1A (CMT1A), which is caused by the duplication of the peripheral myelin protein 22 (PMP22) gene, is a demyelinating and the most frequent CMT subtype. Hypermyelination, demyelination, and secondary loss of large-caliber axons are hallmarks of CMT1A, and there is currently no cure and no efficient treatment to alleviate the symptoms of the disease. We previously showed that histone deacetylases 1 and 2 (HDAC1/2) are critical for Schwann cell developmental myelination and remyelination after a sciatic nerve crush lesion. We also demonstrated that a short-term treatment with Theophylline, which is a potent activator of HDAC2, enhances remyelination and functional recovery after a sciatic nerve crush lesion in mice. In the present study, we tested whether Theophylline treatment could also lead to (re)myelination in a PMP22-overexpressing mouse line (C22) modeling CMT1A. Indeed, we show here that a short-term treatment with Theophylline in C22 mice increases the percentage of myelinated large-caliber axons and the expression of the major peripheral myelin protein P0 and induces functional recovery. This pilot study suggests that Theophylline treatment could be beneficial to promote myelination and thereby prevent axonal degeneration and enhance functional recovery in CMT1A patients. View Full-Text
Keywords: hereditary peripheral neuropathy; Charcot-Marie-Tooth disease 1A; demyelination; remyelination; motor function recovery; Theophylline; histone deacetylase 2; Schwann cells; large-caliber axons hereditary peripheral neuropathy; Charcot-Marie-Tooth disease 1A; demyelination; remyelination; motor function recovery; Theophylline; histone deacetylase 2; Schwann cells; large-caliber axons
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MDPI and ACS Style

Duman, M.; Jaggi, S.; Enz, L.S.; Jacob, C.; Schaeren-Wiemers, N. Theophylline Induces Remyelination and Functional Recovery in a Mouse Model of Peripheral Neuropathy. Biomedicines 2022, 10, 1418. https://doi.org/10.3390/biomedicines10061418

AMA Style

Duman M, Jaggi S, Enz LS, Jacob C, Schaeren-Wiemers N. Theophylline Induces Remyelination and Functional Recovery in a Mouse Model of Peripheral Neuropathy. Biomedicines. 2022; 10(6):1418. https://doi.org/10.3390/biomedicines10061418

Chicago/Turabian Style

Duman, Mert, Stephanie Jaggi, Lukas Simon Enz, Claire Jacob, and Nicole Schaeren-Wiemers. 2022. "Theophylline Induces Remyelination and Functional Recovery in a Mouse Model of Peripheral Neuropathy" Biomedicines 10, no. 6: 1418. https://doi.org/10.3390/biomedicines10061418

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