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Cells 2017, 6(3), 30; doi:10.3390/cells6030030

Assessing Autophagy in Sciatic Nerves of a Rat Model that Develops Inflammatory Autoimmune Peripheral Neuropathies

1
INSERM UMR_S 1119, Biopathologie de la Myéline, Neuroprotection et Stratégies Thérapeutiques, Faculté de Médecine/University of Strasbourg, 67000 Strasbourg, France
2
CNRS UPR3572, Immunopathologie et Chimie Thérapeutique/Laboratory of excellence Medalis, Institut de Biologie Moléculaire et Cellulaire, 67000 Strasbourg, France
3
Department of Neurology, Hôpital de Hautepierre, 67000 Strasbourg, France
4
Institute for Advanced Study, University of Strasbourg (USIAS), 67000 Strasbourg, France
*
Author to whom correspondence should be addressed.
Received: 7 August 2017 / Revised: 15 September 2017 / Accepted: 16 September 2017 / Published: 18 September 2017
(This article belongs to the Special Issue Assays to Monitor Autophagy in Model Systems)
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Abstract

The rat sciatic nerve has attracted widespread attention as an excellent model system for studying autophagy alterations in peripheral neuropathies. In our laboratory, we have developed an original rat model, which we used currently in routine novel drug screening and to evaluate treatment strategies for chronic inflammatory demyelinating polyneuropathy (CIDP) and other closely related diseases. Lewis rats injected with the S-palmitoylated P0(180-199) peptide develop a chronic, sometimes relapsing-remitting type of disease. Our model fulfills electrophysiological criteria of demyelination with axonal degeneration, confirmed by immunohistopathology and several typical features of CIDP. We have set up a series of techniques that led us to examine the failures of autophagy pathways in the sciatic nerve of these model rats and to follow the possible improvement of these defects after treatment. Based on these newly introduced methods, a novel area of investigation is now open and will allow us to more thoroughly examine important features of certain autophagy pathways occurring in sciatic nerves. View Full-Text
Keywords: macroautophagy; chaperone-mediated autophagy; peripheral neuropathies; murine models; rat sciatic nerve; CIDP macroautophagy; chaperone-mediated autophagy; peripheral neuropathies; murine models; rat sciatic nerve; CIDP
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Brun, S.; Schall, N.; Jeltsch-David, H.; Sèze, J.; Muller, S. Assessing Autophagy in Sciatic Nerves of a Rat Model that Develops Inflammatory Autoimmune Peripheral Neuropathies. Cells 2017, 6, 30.

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