An ethogram analysis of cutaneous thermal pain sensitivity and oxycodone reward-related behaviors in rats
© 2023. The Author(s)..
Inter-relationships between pain sensitivity, drug reward, and drug misuse are of considerable interest given that many analgesics exhibit misuse potential. Here we studied rats as they underwent a series of pain- and reward-related tests: cutaneous thermal reflex pain, induction and extinction of conditioned place preference to oxycodone (0.56 mg/kg), and finally the impact of neuropathic pain on reflex pain and reinstatement of conditioned place preference. Oxycodone induced a significant conditioned place preference that extinguished throughout repeated testing. Correlations identified of particular interest included an association between reflex pain and oxycodone-induced behavioral sensitization, and between rates of behavioral sensitization and extinction of conditioned place preference. Multidimensional scaling analysis followed by k-clustering identified three clusters: (1) reflex pain, rate of behavioral sensitization and rate of extinction of conditioned place preference (2) basal locomotion, locomotor habituation, acute oxycodone-stimulated locomotion and rate of change in reflex pain during repeated testing, and (3) magnitude of conditioned place preference. Nerve constriction injury markedly enhanced reflex pain but did not reinstate conditioned place preference. These results suggest that high rates of behavioral sensitization predicts faster rates of extinction of oxycodone seeking/reward, and suggest that cutaneous thermal reflex pain may be predictive of both.
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Scientific reports - 13(2023), 1 vom: 28. Juni, Seite 10482 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Brice-Tutt, Ariana C [VerfasserIn] |
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| Links: |
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| Themen: |
CD35PMG570 |
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| Anmerkungen: |
Date Completed 30.06.2023 Date Revised 06.07.2023 published: Electronic UpdateOf: Res Sq. 2023 Mar 24;:. - PMID 36993634 Citation Status MEDLINE |
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| doi: |
10.1038/s41598-023-36729-6 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM358820316 |
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| 100 | 1 | |a Brice-Tutt, Ariana C |e verfasserin |4 aut | |
| 245 | 1 | 3 | |a An ethogram analysis of cutaneous thermal pain sensitivity and oxycodone reward-related behaviors in rats |
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| 500 | |a Date Revised 06.07.2023 | ||
| 500 | |a published: Electronic | ||
| 500 | |a UpdateOf: Res Sq. 2023 Mar 24;:. - PMID 36993634 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023. The Author(s). | ||
| 520 | |a Inter-relationships between pain sensitivity, drug reward, and drug misuse are of considerable interest given that many analgesics exhibit misuse potential. Here we studied rats as they underwent a series of pain- and reward-related tests: cutaneous thermal reflex pain, induction and extinction of conditioned place preference to oxycodone (0.56 mg/kg), and finally the impact of neuropathic pain on reflex pain and reinstatement of conditioned place preference. Oxycodone induced a significant conditioned place preference that extinguished throughout repeated testing. Correlations identified of particular interest included an association between reflex pain and oxycodone-induced behavioral sensitization, and between rates of behavioral sensitization and extinction of conditioned place preference. Multidimensional scaling analysis followed by k-clustering identified three clusters: (1) reflex pain, rate of behavioral sensitization and rate of extinction of conditioned place preference (2) basal locomotion, locomotor habituation, acute oxycodone-stimulated locomotion and rate of change in reflex pain during repeated testing, and (3) magnitude of conditioned place preference. Nerve constriction injury markedly enhanced reflex pain but did not reinstate conditioned place preference. These results suggest that high rates of behavioral sensitization predicts faster rates of extinction of oxycodone seeking/reward, and suggest that cutaneous thermal reflex pain may be predictive of both | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 7 | |a Oxycodone |2 NLM | |
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| 700 | 1 | |a Montgomery, Darrice S |e verfasserin |4 aut | |
| 700 | 1 | |a Kramer, Cassidy M |e verfasserin |4 aut | |
| 700 | 1 | |a Novotny, Peter M |e verfasserin |4 aut | |
| 700 | 1 | |a Malphurs, Wendi L |e verfasserin |4 aut | |
| 700 | 1 | |a Sharma, Abhisheak |e verfasserin |4 aut | |
| 700 | 1 | |a Caudle, Robert M |e verfasserin |4 aut | |
| 700 | 1 | |a Bruijnzeel, Adriaan W |e verfasserin |4 aut | |
| 700 | 1 | |a Setlow, Barry |e verfasserin |4 aut | |
| 700 | 1 | |a Neubert, John K |e verfasserin |4 aut | |
| 700 | 1 | |a Murphy, Niall P |e verfasserin |4 aut | |
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