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Bumgarner JR, McCray EW, Nelson RJ. The disruptive relationship among circadian rhythms, pain, and opioids. Front Neurosci 2023; 17:1109480. [PMID: 36875657 PMCID: PMC9975345 DOI: 10.3389/fnins.2023.1109480] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 01/26/2023] [Indexed: 02/17/2023] Open
Abstract
Pain behavior and the systems that mediate opioid analgesia and opioid reward processing display circadian rhythms. Moreover, the pain system and opioid processing systems, including the mesolimbic reward circuitry, reciprocally interact with the circadian system. Recent work has demonstrated the disruptive relationship among these three systems. Disruption of circadian rhythms can exacerbate pain behavior and modulate opioid processing, and pain and opioids can influence circadian rhythms. This review highlights evidence demonstrating the relationship among the circadian, pain, and opioid systems. Evidence of how disruption of one of these systems can lead to reciprocal disruptions of the other is then reviewed. Finally, we discuss the interconnected nature of these systems to emphasize the importance of their interactions in therapeutic contexts.
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Affiliation(s)
- Jacob R Bumgarner
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - Evan W McCray
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - Randy J Nelson
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
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Inhibition of NLRP3 Inflammasome Prevents LPS-Induced Inflammatory Hyperalgesia in Mice: Contribution of NF-κB, Caspase-1/11, ASC, NOX, and NOS Isoforms. Inflammation 2017; 40:366-386. [PMID: 27924425 DOI: 10.1007/s10753-016-0483-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The nucleotide-binding domain and leucine-rich repeat protein 3 (NLRP3), an intracellular signaling molecule that senses many environmental- and pathogen/host-derived factors, has been implicated in the pathogenesis of several diseases associated with inflammation. It has been suggested that NLRP3 inflammasome inhibitors may have a therapeutic potential in the treatment of NLRP3-related inflammatory diseases. The aim of this study was to determine whether inhibition of NLRP3 inflammasome prevents inflammatory hyperalgesia induced by lipopolysaccharide (LPS) in mice as well as changes in expression/activity of nuclear factor κB (NF-κB), caspase-1/11, nicotinamide adenine dinucleotide phosphate oxidase (NOX), and endothelial/neuronal/inducible nitric oxide synthase (eNOS/nNOS/iNOS) that may regulate NLRP3/apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC)/pro-caspase-1 inflammasome formation and activity by using a selective NLRP3 inflammasome inhibitor, MCC950. Male mice received saline (10 ml/kg; i.p.), LPS (10 mg/kg; i.p.), and/or MCC950 (3 mg/kg; i.p.). Reaction time to thermal stimuli within 1 min was evaluated after 6 h. The mice were killed and the brains, hearts, and lungs were collected for measurement of NF-κB, caspase-1, caspase-11, NLRP3, ASC, NOX subunits (gp91phox; NOX2), and p47phox; NOXO2), nitrotyrosine, eNOS, nNOS, iNOS, and β-actin protein expression, NOS activity, and interleukin (IL)-1β levels. LPS-induced hyperalgesia was associated with a decrease in eNOS, nNOS, and iNOS protein expression and activity as well as an increase in expression of NF-κB p65, caspase-1 p20, caspase-11 p20, NLRP3, ASC, gp91phox, p47phox, and nitrotyrosine proteins in addition to elevated IL-1β levels. The LPS-induced changes were prevented by MCC950. The results suggest that inhibition of NLRP3/ASC/pro-caspase-1 inflammasome formation and activity prevents inflammatory hyperalgesia induced by LPS in mice as well as changes in NF-κB, caspase-11, NOX2, NOXO2, and eNOS/nNOS/iNOS expression/activity.
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Tsakova A, Surcheva S, Simeonova K, Altankova I, Marinova T, Usunoff K, Vlaskovska M. Nitroxidergic modulation of behavioural, cardiovascular and immune responses, and brain NADPH diaphorase activity upon morphine tolerance/dependence in rats. BIOTECHNOL BIOTEC EQ 2014; 29:92-100. [PMID: 26019621 PMCID: PMC4434040 DOI: 10.1080/13102818.2014.990924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 11/19/2014] [Indexed: 11/24/2022] Open
Abstract
Opioid and non-opioid effects of acute and chronic morphine administration on behaviour, cardiovascular responses, cell proliferation and apoptosis and nitric-oxide synthase (NOS) activity were studied in rats. A novel score-point scale was introduced to quantify the signs of opioid withdrawal syndrome. NOS inhibitor L-NAME (NG-nitro-L-arginine methyl ester) was applied to reveal the role of NOS/NO pathway in the modulation of morphine-induced in vivo and in vitro responses. The obtained data showed that chronic co-administration of L-NAME drastically attenuated naloxone-precipitated withdrawal syndrome and prevented the development of morphine tolerance to cardiovascular action of morphine. The apoptotic process was very much restricted by L-NAME supplementation of chronic morphine treatment, which resulted in few apoptotic cells, less low molecular weight genomic DNA and preservation of high molecular weight non-fragmented genomic DNA. The study provides new data for nitroxidergic modulation of opioid tolerance and dependence.
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Affiliation(s)
- Ana Tsakova
- Department of Pharmacology and Toxicology, Medical Faculty, Medical University of Sofia , Sofia , Bulgaria
| | - Slavina Surcheva
- Department of Pharmacology and Toxicology, Medical Faculty, Medical University of Sofia , Sofia , Bulgaria
| | - Katerina Simeonova
- Department of Pharmacology and Toxicology, Medical Faculty, Medical University of Sofia , Sofia , Bulgaria
| | - Iskra Altankova
- Department of Biology, Medical Genetics and Microbiology, Faculty of Medicine, Sofia University "St. Kliment Ohridski" , Sofia , Bulgaria
| | - Tsvetanka Marinova
- Department of Biology, Medical Genetics and Microbiology, Faculty of Medicine, Sofia University "St. Kliment Ohridski" , Sofia , Bulgaria
| | - Kamen Usunoff
- Department of Anatomy, Histology and Embryology, Medical Faculty, Medical University of Sofia , Sofia , Bulgaria
| | - Mila Vlaskovska
- Department of Pharmacology and Toxicology, Medical Faculty, Medical University of Sofia , Sofia , Bulgaria
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Karakucuk EH, Yamanoglu T, Demirel O, Bora N, Zengil H. Temporal Variation in Drug Interaction Between Lithium and Morphine‐Induced Analgesia. Chronobiol Int 2009; 23:675-82. [PMID: 16753949 DOI: 10.1080/07420520600650745] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The administration-time-dependent aspects of the drug interaction between lithium and morphine-induced analgesia were studied using the mouse hot-plate test at six different times of day, each scheduled at 4 h intervals. Lithium treatment alone, in doses of 1 to 10 mmol/kg administered intraperitoneally (i.p.) did not significantly alter test latencies compared to the corresponding clock-time in saline-injected controls. Basal pain sensitivity and morphine-induced antinociceptive activity displayed significant circadian rhythms as assessed by the hot-plate response latencies, with higher values occurring during the nocturnal activity than during the daytime rest span. Acute administration of lithium, in a dose of 3 mmol/kg, 30 min prior to morphine dosing did not influence morphine-induced analgesia compared to all the clock-time test-matched morphine groups, except the 9 HALO (Hours After Lights On) one. There was a prominent potentiation of the morphine-induced antinociception at this biological time during combined drug treatment. The latter finding demonstrates that administration-time-dependent differences in drug-drug interactions need to be considered in both experimental designs and clinical settings.
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Affiliation(s)
- Elif Hilal Karakucuk
- Department of Medical Pharmacology, Faculty of Medicine, Gazi University, Besevler, Ankara, Turkey
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Bruguerolle B, Labrecque G. Rhythmic pattern in pain and their chronotherapy. Adv Drug Deliv Rev 2007; 59:883-95. [PMID: 17716777 DOI: 10.1016/j.addr.2006.06.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2006] [Revised: 06/11/2006] [Accepted: 06/22/2006] [Indexed: 11/19/2022]
Abstract
Pain control is one of the most important therapeutic priorities; nonetheless, inadequate pain relief remains a significant health care issue. Thus, it is important to determine whether the analgesic effect can be improved by using the chronopharmacological approach. This paper reviews the data on the rhythmic patterns in pain level and their chronotherapy. It underlines the major issues and problems related to the development of chronotherapeutic strategies, and it examines emerging aspects of new drug-delivery systems for achieving such.
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Affiliation(s)
- Bernard Bruguerolle
- Laboratoire de Pharmacologie Médicale et Clinique, Faculté de Médecine de Marseille, 27 Bd J. Moulin, F 13385 Marseille Cedex 5, France.
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Uludag O, Tunctan B, Altug S, Zengil H, Abacioglu N. Twenty-four-hour variation of L-arginine/nitric oxide/cyclic guanosine monophosphate pathway demonstrated by the mouse visceral pain model. Chronobiol Int 2007; 24:413-24. [PMID: 17612941 DOI: 10.1080/07420520701420402] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The L-arginine/nitric oxide (NO)/cyclic guanosine monophosphate (cGMP) pathway is known to be involved in central and peripheral nociceptive processes. This study evaluated the rhythmic pattern of the L-arginine/NO/cGMP pathway using the mouse visceral pain model. Experiments were performed at six different times (1, 5, 9, 13, 17, and 21 h after light on) per day in male mice synchronized to a 12 h:12 h light-dark cycle. Animals were injected s.c. with saline, 2 mg/kg L-arginine (a NO precursor), 75 mg/kg L-N(G)-nitroarginine methyl ester (L-NAME, a NOS inhibitor), 40 mg/kg methylene blue (a soluble guanylyl cyclase and/or NOS inhibitor), or 0.1 mg/kg sodium nitroprusside (a nonenzymatic NO donor) 15 min before counting 2.5 mg/kg (i.p.) p-benzoquinone (PBQ)-induced abdominal constrictions for 15 min. Blood samples were collected after the test, and the nitrite concentration was determined in serum samples. L-arginine or L-NAME caused both antinociception and nociception, depending on the circadian time of their injection. The analgesic effect of methylene blue or sodium nitroprusside exhibited significant biological time-dependent differences in PBQ-induced abdominal constrictions. Serum nitrite levels also displayed a significant 24 h variation in mice injected with PBQ, L-NAME, methylene blue, or sodium nitroprusside, but not saline or L-arginine. These results suggest that components of L-arginine/NO/cGMP pathway exhibit biological time-dependent effects on visceral nociceptive process.
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Affiliation(s)
- Orhan Uludag
- Department of Pharmacology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
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Devan BD, Pistell PJ, Daffin LW, Nelson CM, Duffy KB, Bowker JL, Bharati IS, Sierra-Mercado D, Spangler EL, Ingram DK. Sildenafil citrate attenuates a complex maze impairment induced by intracerebroventricular infusion of the NOS inhibitor Nomega-nitro-L-arginine methyl ester. Eur J Pharmacol 2007; 563:134-40. [PMID: 17362916 DOI: 10.1016/j.ejphar.2007.02.008] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2006] [Revised: 02/03/2007] [Accepted: 02/06/2007] [Indexed: 12/16/2022]
Abstract
In a previous study, our laboratory reported that sildenafil citrate, a cyclic nucleotide phosphodiesterase type 5 inhibitor, reversed a learning impairment in rats induced by systemic inhibition of nitric oxide synthase (60 mg/kg, i.p., Nomega-nitro-L-arginine methyl ester; L-NAME). To limit the peripheral effects of L-NAME and further localize the site of action of sildenafil, L-NAME (48 microg, i.c.v.) was infused bilaterally into the lateral cerebral ventricles 30 min prior to maze training. Saline or sildenafil citrate (1.5 or 3.0 mg/kg, i.p.) was administered systemically 15 min before training. Drug injections occurred 24 h after pretraining rats to avoid foot shock on a one-way active avoidance straight runway. Following drug treatment, the rats received 15 training trials on a 14-unit T-maze task that requires learning a complex sequence of turns to avoid mild foot shock. This complex maze paradigm is sensitive to aging and blockade of cholinergic, N-methyl-D-aspartate and nitric oxide signaling systems. Behavioral measures of performance included deviations from the correct pathway (errors), runtime from start to goal (latency), shock frequency and shock duration. Statistical analysis revealed that central infusion of L-NAME impaired maze performance and that sildenafil (3.0 mg/kg) significantly attenuated the impairment. These results suggest that sildenafil citrate may serve as a cognitive enhancer by modulating central nitric oxide/cGMP signal transduction following N-methyl-D-aspartate receptor activation. This pathway has been implicated in age-related cognitive decline and may be a useful target for pharmacological intervention of neurodegenerative disease.
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Affiliation(s)
- Bryan D Devan
- Behavioral Neuroscience Section, Laboratory of Experimental Gerontology, National Institute on Aging, National Institutes of Health, Gerontology Research Center, 5600 Nathan Shock Dr., Baltimore MD 21204, United States.
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Morgan MM, Fossum EN, Stalding BM, King MM. Morphine antinociceptive potency on chemical, mechanical, and thermal nociceptive tests in the rat. THE JOURNAL OF PAIN 2006; 7:358-66. [PMID: 16632325 DOI: 10.1016/j.jpain.2005.12.009] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2005] [Revised: 12/02/2005] [Accepted: 12/28/2005] [Indexed: 11/30/2022]
Abstract
UNLABELLED Many tests are used to assess nociception in laboratory animals. The objective of this study was to compare morphine potency across tests. Rats were injected with saline or morphine (1-20 mg/kg SC), and nociception was assessed 15-20 min later. A consistent definition of antinociception-a change in response greater than 4 times the standard deviation above the mean for the saline-treated controls-was used to compare morphine potency on different tests. These data revealed 4 things. 1) Morphine potency was greatest on the paw pressure, hot plate, and tail withdrawal tests and lowest on the formalin test. 2) Stimulus intensity had no effect on morphine potency on the hot plate (ED50 = 4.5, 2.8, and 2.6 mg/kg for 49 degrees C, 52 degrees C, and 55 degrees C tests, respectively) or tail withdrawal tests (ED50 = 2.9 and 2.6 for 48 degrees C and 52 degrees C water, respectively). 3) Assessment of morphine potency using a within-subjects cumulative dosing procedure resulted in lower ED50 values compared to data collected using a between-subjects design (hot plate: 2.6 vs 4.9; tail withdrawal: 2.6-2.9 vs 5.7 mg/kg). 4) Adjusting the cutoff value from 4 to 5, 6, 7, and 8 standard deviations greater than the mean resulted in a progressive increase in ED50 values. These data demonstrate that morphine potency is dependent, in part, on the nociceptive test even when all other factors (eg, species, strain, age, gender, and cutoff value) are held constant. PERSPECTIVE The ability of morphine to block nociception is influenced by many factors. The present study shows that the test used to assess nociception, but not the stimulus intensity, can have a dramatic effect on morphine potency. This finding shows that morphine potency varies depending on how pain is assessed.
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Affiliation(s)
- Michael M Morgan
- Department of Psychology, Washington State University, Vancouver, Washington 98660, USA.
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Dixon SJ, Persinger MA. Suppression of analgesia in rats induced by morphine or L-NAME but not both drugs by microTesla, frequency-modulated magnetic fields. Int J Neurosci 2001; 108:87-97. [PMID: 11328704 DOI: 10.3109/00207450108986507] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In Experiment I, the nociceptive threshold for a criterion response to thermal stimuli (hot plate) for rats was obtained following injections with one of various dosages of either morphine or the nitric oxide synthase inhibitor, L-NAME. On the bases of these results, rats in Experiment II were injected with either morphine (4 mg/kg), L-NAME (50 mg/kg), both morphine and L-NAME, or saline after baseline measurements for nociception and then exposed to either a 1 microTesla magnetic field or to a sham field for 30 min. The magnetic field, presented once every 4 sec, was a frequency-modulated pattern whose pixel durations, for each of the 837 successive values, were 1 msec. Nociceptive thresholds were measured immediately after the exposure and 30 min later. The results indicated that exposure to this magnetic field abolished the analgesic effects of morphine or L-NAME when injected separately but not when injected together relative to rats that had received these drugs and had been exposed to the sham field.
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Affiliation(s)
- S J Dixon
- Behavioral Neuroscience Laboratory, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
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Seaman RL, Belt ML, Doyle JM, Mathur SP. Hyperactivity caused by a nitric oxide synthase inhibitor is countered by ultra-wideband pulses. Bioelectromagnetics 1999; 20:431-9. [PMID: 10495308 DOI: 10.1002/(sici)1521-186x(199910)20:7<431::aid-bem4>3.0.co;2-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Potential action of ultra-wideband (UWB) electromagnetic field pulses on effects of N(G)-nitro- L-arginine methyl ester (L-NAME), an inhibitor of nitric oxide synthase (NOS), on nociception and locomotor activity was investigated in CF-1 mice. Animals were injected IP with saline or 50 mg/kg L-NAME and exposed for 30 min to no pulses (sham exposure) or UWB pulses with electric field parameters of 102+/-1 kV/m peak amplitude, 0.90+/-0.05 ns duration, and 160+/-5 ps rise time (mean+/-S.D.) at 600/s. Animals were tested for thermal nociceptive responses on a 50 degrees C surface and for spontaneous locomotor activity for 5 min. L-NAME by itself increased mean first-response (paw lift, shake, or lick; jump) and back-paw-lick response latencies and mean locomotor activity. Exposure to UWB pulses reduced the L-NAME-induced increase in back-paw-lick latency by 22%, but this change was not statistically significant. The L-NAME-induced hyperactivity was not present after UWB exposure. Reduction and cancellation of effects of L-NAME suggest activation of opposing mechanism(s) by the UWB pulses, possibly including increase of nitric oxide production by NOS. The action, or actions, of UWB pulses appears to be more effective on locomotor activity than on thermal nociception in CF-1 mice.
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Affiliation(s)
- R L Seaman
- McKesson BioServices and Microwave Bioeffects Branch, U.S. Army Medical Research Detachment, Brooks AFB, Texas 78235-5460, USA.
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