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. 2021 Jan 29;10(2):195. doi: 10.3390/antiox10020195

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(a) Expression of OX-42 in the spinal cord dorsal horn of Sham, PSNT, morphine, and MPDA@Mor groups, immunoblotting of β-actin was used as a control (b) Quantification of OX-42 in spinal dorsal horn with Western blotting. Quantification of OX-42 was obtained with densitometric analysis and normalized with β-actin. (c) The effect of chronic administration of saline, morphine, MPDA, and MPDA@Mor on TNF-α in rat dorsal root ganglion (DRG). (d) The effect of chronic administration of saline, morphine, MPDA, and MPDA@Mor on NFkB in rat DRG.