Hiromi Yamashita, Jorge Luis Lopes Zeredo, Kazuo Toda
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Age Differences in Naloxone Reversibility of Electroacupuncture on the Jaw Opening Reflex in Rats.
Background: Electroacupuncture is one of the most popular physical treatments for clinical pain, but the potential influence of a patient's age on the effectiveness of electroacupuncture treatment has not been clearly established. Objectives: The present study aimed to detect a potential difference in electroacupuncture- induced analgesia between juvenile and adult rats.
Methods: In this study, we investigated the effects of electroacupuncture treatment on the nociceptive jaw-opening reflex evoked by tooth-pulp stimulation in juvenile and adult rats.
Results: Our results showed there were age differences in electroacupuncture-induced analgesic effects in rats, especially with naloxone antagonization. The ratio of naloxonereversibility against electroacupuncture analgesia was greater in adult rats than in juvenile rats.
Conclusion: These results suggest that electroacupuncture analgesia is produced mainly by the non-opioid system in juvenile rats and by the opioid system in adult rats.
期刊介绍：
The Journal of Acupuncture and Meridian Studies is a quarterly, peer-reviewed journal featuring high-quality studies related to basic and clinical acupuncture and meridian research. It also includes new paradigm of integrative research, covering East–West and traditional–modern medicine. Manuscripts should fall into one of the categories: topical review, original research paper, brief ... click here for full Aims & Scope The Journal of Acupuncture and Meridian Studies is a quarterly, peer-reviewed journal featuring high-quality studies related to basic and clinical acupuncture and meridian research. It also includes new paradigm of integrative research, covering East–West and traditional–modern medicine.
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