The Role of the Spinal Opioid Receptor Like1 Receptor, the NK-1 Receptor, and Cyclooxygenase-2 in Maintaining Postoperative Pain in the Rat

1999 ◽  
Vol 89 (5) ◽  
pp. 1203-1208 ◽  
Author(s):  
Tatsuo Yamamoto ◽  
Yoshihiko Sakashita
Keyword(s):  
Postoperative Pain ◽  
Opioid Receptor ◽  
Cyclooxygenase 2 ◽  
Spinal Opioid

Role of spinal opioid receptor on the antiallodynic effect of intrathecal nociceptin in neuropathic rat

2013 ◽  
Vol 542 ◽  
pp. 118-122 ◽  
Author(s):  
Jin Ju ◽  
Dong Jin Shin ◽  
Yoon Chan Na ◽  
Myung Ha Yoon
Keyword(s):  
Opioid Receptor ◽  
Antiallodynic Effect ◽  
Spinal Opioid

Role of cyclooxygenase-2 in the development and treatment of oesophageal adenocarcinoma

2003 ◽  
Vol 38 (0) ◽  
pp. 87-93 ◽  
Author(s):  
C. J. Buskens ◽  
Ristimäki A. ◽  
G. J. A. Offerhaus ◽  
D. J. Richel ◽  
J. J. B. van Lanschot
Keyword(s):  
Cyclooxygenase 2 ◽  
Oesophageal Adenocarcinoma

Pre-emptive Analgesia for Postoperative Pain Relief in Children – Role of Paracetamol

2009 ◽  
pp. 9-16
Author(s):  
Rubina Yasmin ◽  
AKM Akhtaruzzaman ◽  
Paresh Chandra Sarker ◽  
Neaz Ahmed ◽  
Ranadhir Kumar Kundu ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Postoperative Pain ◽  
Diclofenac Sodium ◽  
Total Duration ◽  
Pain Scale ◽  
Prospective Clinical Study ◽  
High Dose ◽  
Induction Of Anaesthesia

This prospective clinical study was carried out in the Dept. of Anaesthesia, Analgesia and Intensive Care Medicine, BSMMU, Dhaka, during the period of May 2003 to July 2003. The study was done to emphasize the importance of giving analgesics preemptively instead of waiting for the child to complain of pain and to produce smooth recovery after surgery by decreasing immediate postoperative pain in children by a simple, safe acceptable drug. The children scheduled for tonsillectomy under general anaesthesia were recruited in this study. The analgesic efficiency of rectal paracetamol in two doses, 25 mg/kg bodywt.(Gr-P25) and 50 mg/kg. bodywt. (Gr-P50) were compared with Diclofenac Sodium suppository 1mg/ kg body weight (Gr-D) given half an hour before induction of anaesthesia. Pain scoring was done by TPPPS (Toddler Pre-schooler postoperative pain scale). Heart rate and blood pressure were stable in Gr-P50 and Gr-D. Time of first demand of analgesic was delayed in Gr-P50 and Gr-D. Total paracetamol consumption in 24 hours was less in Gr-P50(181±14.25) and Gr-D (212±25) than Gr-P25(318± 26.39). Total duration of analgesia in Gr- P50 (657±9.94) mins. and in Gr- D(502±10.63) mins. and in Gr-P25(288±23.17) mins. Pre-emptive high dose rectal paracetamol appears to be more effective than diclofenac sodium suppository for postoperative analgesia in children undergoing tonsillectomy. Journal of BSA, Vol. 18, No. 1 & 2, 2005 p.9-16

scholarly journals The Role of Dynorphin and the Kappa Opioid Receptor in Schizophrenia and Major Depressive Disorder: A Translational Approach

2020 ◽  
Author(s):  
Samuel David Clark
Keyword(s):  
Major Depressive Disorder ◽  
Depressive Disorder ◽  
Healthy Volunteers ◽  
Opioid Receptor ◽  
Clinical Data ◽  
Potential Role ◽  
Kappa Opioid Receptor ◽  
Kappa Opioid ◽  
Major Depressive

AbstractThe kappa opioid receptor (KOR) and its endogenous ligands dynorphins (DYN) have been implicated in the development or symptomatology of a variety of neuropsychiatric disorders. This review covers a brief history of the development of KOR agonists and antagonists, their effects in healthy volunteers, and the potential role of DYN/KOR dysfunction in schizophrenia and major depressive disorder from a translational perspective. The potential role of DYN/KOR dysfunction in schizophrenia is based on several lines of evidence. Selective KOR agonists induce affective states in healthy volunteers with similarities to the symptoms of schizophrenia. Studies have shown increased DYN in patients with schizophrenia, although the data have been mixed. Finally, meta-analytic data have shown that opioid antagonists are associated with reductions in the symptoms of schizophrenia. The potential role of DYN/KOR dysfunction in major depressive disorder is also based on a combination of preclinical and clinical data. Selective KOR agonists have shown pro-depressive effects in human volunteers, while selective KOR antagonists have shown robust efficacy in several preclinical models of antidepressant activity. Small studies have shown that nonselective KOR antagonists may have efficacy in treatment-resistant depression. Additionally, recent clinical data have shown that the KOR may be an effective target for treating anhedonia, a finding relevant to both schizophrenia and depression. Finally, recommendations are provided for translating preclinical models for schizophrenia and major depressive disorder into the clinic.

The Role of Cyclooxygenase-2 in Lumbar Disc Herniation

Spine ◽  
2002 ◽  
Vol 27 (22) ◽  
pp. 2477-2483 ◽  
Author(s):  
Hiroshi Miyamoto ◽  
Ryuichi Saura ◽  
Minoru Doita ◽  
Masahiro Kurosaka ◽  
Kosaku Mizuno
Keyword(s):  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Cyclooxygenase 2

scholarly journals Association of the OPRM1 A118G polymorphism and Pavlovian-to-instrumental transfer: Clinical relevance for alcohol dependence

2021 ◽  
pp. 026988112199199 ◽  
Author(s):  
Miriam Sebold ◽  
Maria Garbusow ◽  
Deniz Cerci ◽  
Ke Chen ◽  
Christian Sommer ◽  
...  
Keyword(s):  
Alcohol Dependence ◽  
Opioid Receptor ◽  
Mechanistic Model ◽  
Critical Role ◽  
Opioid System ◽  
Operant Behaviour ◽  
Oprm1 Gene ◽  
Potential Biomarker ◽  
A118g Polymorphism

Background: Pavlovian-to-instrumental transfer (PIT) quantifies the extent to which a stimulus that has been associated with reward or punishment alters operant behaviour. In alcohol dependence (AD), the PIT effect serves as a paradigmatic model of cue-induced relapse. Preclinical studies have suggested a critical role of the opioid system in modulating Pavlovian–instrumental interactions. The A118G polymorphism of the OPRM1 gene affects opioid receptor availability and function. Furthermore, this polymorphism interacts with cue-induced approach behaviour and is a potential biomarker for pharmacological treatment response in AD. In this study, we tested whether the OPRM1 polymorphism is associated with the PIT effect and relapse in AD. Methods: Using a PIT task, we examined three independent samples: young healthy subjects ( N = 161), detoxified alcohol-dependent patients ( N = 186) and age-matched healthy controls ( N = 105). We used data from a larger study designed to assess the role of learning mechanisms in the development and maintenance of AD. Subjects were genotyped for the A118G (rs1799971) polymorphism of the OPRM1 gene. Relapse was assessed after three months. Results: In all three samples, participants with the minor OPRM1 G-Allele (G+ carriers) showed increased expression of the PIT effect in the absence of learning differences. Relapse was not associated with the OPRM1 polymorphism. Instead, G+ carriers displaying increased PIT effects were particularly prone to relapse. Conclusion: These results support a role for the opioid system in incentive salience motivation. Furthermore, they inform a mechanistic model of aberrant salience processing and are in line with the pharmacological potential of opioid receptor targets in the treatment of AD.

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