The Emerging Perspective of Morphine Tolerance: MicroRNAs

Morphine has unfavorable side effects including analgesic tolerance. Morphine tolerance counteracts analgesic efficacy and drives dose escalation. The mechanisms underlying morphine tolerance remain disputed, which has prevented the development of therapies to maximize and sustain analgesic efficacy...

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Main Authors: Teng J. Zhang, Yong Qiu, Zhen Hua
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Pain Research and Management
Online Access:http://dx.doi.org/10.1155/2019/9432965
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author Teng J. Zhang
Yong Qiu
Zhen Hua
author_facet Teng J. Zhang
Yong Qiu
Zhen Hua
author_sort Teng J. Zhang
collection DOAJ
description Morphine has unfavorable side effects including analgesic tolerance. Morphine tolerance counteracts analgesic efficacy and drives dose escalation. The mechanisms underlying morphine tolerance remain disputed, which has prevented the development of therapies to maximize and sustain analgesic efficacy. Morphine tolerance is an adaptive process induced by chronic morphine that has been shown to result from complex alterations at the molecular level with μ opioid receptors (MORs), as well as at the synaptic, cellular, and circuit levels. MicroRNAs are noncoding RNAs that have been proposed to regulate gene expression and degradation at the posttranscriptional level, including the MOR, as well as synaptic plasticity and neuroplasticity, in both the peripheral and central nervous systems. This review covers some of the most striking microRNA functions involved in morphine tolerance and presents limitations on our knowledge of their physiological roles.
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publishDate 2019-01-01
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series Pain Research and Management
spelling doaj-art-f2bde55923c7418caf5a7838791ce2652025-02-03T01:09:54ZengWileyPain Research and Management1203-67651918-15232019-01-01201910.1155/2019/94329659432965The Emerging Perspective of Morphine Tolerance: MicroRNAsTeng J. Zhang0Yong Qiu1Zhen Hua2Department of Anesthesiology, Beijing Hospital, National Center of Gerontology, Beijing 100730, ChinaDepartment of Anesthesiology, Beijing Hospital, National Center of Gerontology, Beijing 100730, ChinaDepartment of Anesthesiology, Beijing Hospital, National Center of Gerontology, Beijing 100730, ChinaMorphine has unfavorable side effects including analgesic tolerance. Morphine tolerance counteracts analgesic efficacy and drives dose escalation. The mechanisms underlying morphine tolerance remain disputed, which has prevented the development of therapies to maximize and sustain analgesic efficacy. Morphine tolerance is an adaptive process induced by chronic morphine that has been shown to result from complex alterations at the molecular level with μ opioid receptors (MORs), as well as at the synaptic, cellular, and circuit levels. MicroRNAs are noncoding RNAs that have been proposed to regulate gene expression and degradation at the posttranscriptional level, including the MOR, as well as synaptic plasticity and neuroplasticity, in both the peripheral and central nervous systems. This review covers some of the most striking microRNA functions involved in morphine tolerance and presents limitations on our knowledge of their physiological roles.http://dx.doi.org/10.1155/2019/9432965
spellingShingle Teng J. Zhang
Yong Qiu
Zhen Hua
The Emerging Perspective of Morphine Tolerance: MicroRNAs
Pain Research and Management
title The Emerging Perspective of Morphine Tolerance: MicroRNAs
title_full The Emerging Perspective of Morphine Tolerance: MicroRNAs
title_fullStr The Emerging Perspective of Morphine Tolerance: MicroRNAs
title_full_unstemmed The Emerging Perspective of Morphine Tolerance: MicroRNAs
title_short The Emerging Perspective of Morphine Tolerance: MicroRNAs
title_sort emerging perspective of morphine tolerance micrornas
url http://dx.doi.org/10.1155/2019/9432965
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