Abstract
Tissue injury and inflammation result in release of various mediators that promote ongoing pain or pain hypersensitivity against mechanical, thermal and chemical stimuli. Pro-nociceptive mediators activate primary afferent neurons directly or indirectly to enhance nociceptive signal transmission to the central nervous system. Excitation of primary afferents by peripherally originating mediators, so-called “peripheral sensitization”, is a hallmark of tissue injuryrelated pain. Many kinds of pro-nociceptive mediators, including ATP, glutamate, kinins, cytokines and tropic factors, synthesized at the damaged tissue, contribute to the development of peripheral sensitization. In the present review we will discuss the molecular mechanisms of peripheral sensitization following tissue injury.
Keywords: Peripheral sensitization, postoperative pain, primary afferent neuron.
Current Neuropharmacology
Title:Tissue Injury and Related Mediators of Pain Exacerbation
Volume: 11 Issue: 6
Author(s): Fumimasa Amaya, Yuta Izumi, Megumi Matsuda and Mika Sasaki
Affiliation:
Keywords: Peripheral sensitization, postoperative pain, primary afferent neuron.
Abstract: Tissue injury and inflammation result in release of various mediators that promote ongoing pain or pain hypersensitivity against mechanical, thermal and chemical stimuli. Pro-nociceptive mediators activate primary afferent neurons directly or indirectly to enhance nociceptive signal transmission to the central nervous system. Excitation of primary afferents by peripherally originating mediators, so-called “peripheral sensitization”, is a hallmark of tissue injuryrelated pain. Many kinds of pro-nociceptive mediators, including ATP, glutamate, kinins, cytokines and tropic factors, synthesized at the damaged tissue, contribute to the development of peripheral sensitization. In the present review we will discuss the molecular mechanisms of peripheral sensitization following tissue injury.
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Cite this article as:
Amaya Fumimasa, Izumi Yuta, Matsuda Megumi and Sasaki Mika, Tissue Injury and Related Mediators of Pain Exacerbation, Current Neuropharmacology 2013; 11 (6) . https://dx.doi.org/10.2174/1570159X11311060003
DOI https://dx.doi.org/10.2174/1570159X11311060003 |
Print ISSN 1570-159X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6190 |
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