1
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López-Arteaga T, Moreno-Rubio C, Mohedano-Moriano A. Risk factors for opioid addiction in chronic non-cancer pain. Heliyon 2023; 9:e19707. [PMID: 37809400 PMCID: PMC10558926 DOI: 10.1016/j.heliyon.2023.e19707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 07/17/2023] [Accepted: 08/30/2023] [Indexed: 10/10/2023] Open
Abstract
Opioids are very effective pain medications, but they are not without complications. Its use in chronic cancer pain is clearly established, but not in chronic non-cancer pain. Opioid use has increased in recent years, but at the same time, it has been accompanied by an increase in side effects and related complications, including abuse, abuse and opioid addiction. If we look in the literature on the subject there is a global concern to make an adequate therapy with risk reduction, but the samples studied make it difficult to extrapolate results to the general population and even more so if we take into account factors such as psychiatric comorbidity. This leads us to consider the need to study our own population, its characteristics and see how it is being treated, to refine as much as possible on an appropriate prescription. The authors have carried out a cross-sectional study on patients with non-cancer chronic pain referred to psychiatry and the presence of opioid use disorder. We found risk factors related to the biopsychosocial characteristics of the patients and the characteristics of pain and its treatment. Knowing the risk factors, we can avoid yatrogeny, implement primary and secondary prevention and, ultimately, improve the quality of patient care.
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Affiliation(s)
- Teresa López-Arteaga
- Médico Psiquiatra. Directora Médica Área Integrada de Talavera. Hospital General Universitario Ntra. Sra. Del Prado. Talavera de la Reina, Spain
| | - Carlos Moreno-Rubio
- Jefe de Servicio de Psiquiatría. Hospital General Universitario Ntra. Sra. Del Prado. Talavera de la Reina, Spain
| | - Alicia Mohedano-Moriano
- Titular de la Facultad de Ciencias de la Salud Talavera de la Reina. Universidad de Castilla-La Mancha, Spain
- Académica del Vicerrectorado de Ciencias de la Salud de la Universidad de Castilla-La Mancha, Spain
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2
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Brice-Tutt AC, Montgomery DS, Kramer CM, Novotny PM, Malphurs WL, Sharma A, Caudle RM, Bruijnzeel AW, Setlow B, Neubert JK, Murphy NP. An ethogram analysis of cutaneous thermal pain sensitivity and oxycodone reward-related behaviors in rats. Sci Rep 2023; 13:10482. [PMID: 37380739 PMCID: PMC10307779 DOI: 10.1038/s41598-023-36729-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 06/08/2023] [Indexed: 06/30/2023] Open
Abstract
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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Affiliation(s)
| | | | - Cassidy M Kramer
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Peter M Novotny
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Wendi L Malphurs
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Abhisheak Sharma
- Department of Pharmaceutics, University of Florida, Gainesville, FL, USA
| | - Robert M Caudle
- Department of Oral and Maxillofacial Surgery, University of Florida, Gainesville, FL, USA
| | - Adriaan W Bruijnzeel
- Department of Psychiatry, University of Florida, Gainesville, FL, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - Barry Setlow
- Department of Psychiatry, University of Florida, Gainesville, FL, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - John K Neubert
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Niall P Murphy
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA.
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3
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Schaffer J, Fogelman N, Seo D, Sinha R. Chronic pain, chronic stress and substance use: overlapping mechanisms and implications. FRONTIERS IN PAIN RESEARCH 2023; 4:1145934. [PMID: 37415830 PMCID: PMC10320206 DOI: 10.3389/fpain.2023.1145934] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 06/05/2023] [Indexed: 07/08/2023] Open
Abstract
Chronic pain is among the most common reasons adults in the U.S. seek medical care. Despite chronic pain's substantial impact on individuals' physical, emotional, and financial wellness, the biologic underpinnings of chronic pain remain incompletely understood. Such deleterious impact on an individuals' wellness is also manifested in the substantial co-occurrence of chronic stress with chronic pain. However, whether chronic stress and adversity and related alcohol and substance misuse increases risk of developing chronic pain, and, if so, what the overlapping psychobiological processes are, is not well understood. Individuals suffering with chronic pain find alleviation through prescription opioids as well as non-prescribed cannabis, alcohol, and other drugs to control pain, and use of these substances have grown significantly. Substance misuse also increases experience of chronic stress. Thus, given the evidence showing a strong correlation between chronic stress and chronic pain, we aim to review and identify overlapping factors and processes. We first explore the predisposing factors and psychologic features common to both conditions. This is followed by examining the overlapping neural circuitry of pain and stress in order to trace a common pathophysiologic processes for the development of chronic pain and its link to substance use. Based on the previous literature and our own findings, we propose a critical role for ventromedial prefrontal cortex dysfunction, an overlapping brain area associated with the regulation of both pain and stress that is also affected by substance use, as key in the risk of developing chronic pain. Finally, we identify the need for future research in exploring the role of medial prefrontal circuits in chronic pain pathology. Critically, in order to alleviate the enormous burden of chronic pain without exacerbating the co-occurring substance misuse crisis, we emphasize the need to find better approaches to treat and prevent chronic pain.
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Affiliation(s)
| | | | | | - R. Sinha
- Department of Psychiatry and the Yale Stress Center, Yale University School of Medicine, New Haven, CT, United States
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4
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Sabina S, Panico A, Mincarone P, Leo CG, Garbarino S, Grassi T, Bagordo F, De Donno A, Scoditti E, Tumolo MR. Expression and Biological Functions of miRNAs in Chronic Pain: A Review on Human Studies. Int J Mol Sci 2022; 23:ijms23116016. [PMID: 35682695 PMCID: PMC9181121 DOI: 10.3390/ijms23116016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 02/01/2023] Open
Abstract
Chronic pain is a major public health problem and an economic burden worldwide. However, its underlying pathological mechanisms remain unclear. MicroRNAs (miRNAs) are a class of small noncoding RNAs that post-transcriptionally regulate gene expression and serve key roles in physiological and pathological processes. This review aims to synthesize the human studies examining miRNA expression in the pathogenesis of chronic primary pain and chronic secondary pain. Additionally, to understand the potential pathophysiological impact of miRNAs in these conditions, an in silico analysis was performed to reveal the target genes and pathways involved in primary and secondary pain and their differential regulation in the different types of chronic pain. The findings, methodological issues and challenges of miRNA research in the pathophysiology of chronic pain are discussed. The available evidence suggests the potential role of miRNA in disease pathogenesis and possibly the pain process, eventually enabling this role to be exploited for pain monitoring and management.
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Affiliation(s)
- Saverio Sabina
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
| | - Alessandra Panico
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
| | - Pierpaolo Mincarone
- Institute for Research on Population and Social Policies, National Research Council, c/o ex Osp. Di Summa, Piazza Di Summa, 72100 Brindisi, Italy;
| | - Carlo Giacomo Leo
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
| | - Sergio Garbarino
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal/Child Sciences, University of Genoa, 16132 Genoa, Italy;
| | - Tiziana Grassi
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
| | - Francesco Bagordo
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Via Edoardo Orabona, 70126 Bari, Italy;
| | - Antonella De Donno
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
| | - Egeria Scoditti
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
- Correspondence: ; Tel.: +39-(08)-3229-8860
| | - Maria Rosaria Tumolo
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
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5
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Cucinello-Ragland JA, Mitchell-Cleveland R, Bradley Trimble W, Urbina AP, Yeh AY, Edwards KN, Molina PE, Simon Peter L, Edwards S. Alcohol amplifies cingulate cortex signaling and facilitates immobilization-induced hyperalgesia in female rats. Neurosci Lett 2021; 761:136119. [PMID: 34280506 PMCID: PMC8387454 DOI: 10.1016/j.neulet.2021.136119] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 07/14/2021] [Indexed: 12/28/2022]
Abstract
Complex Regional Pain Syndrome (CRPS) is a musculoskeletal pain condition that often develops after limb injury and/or immobilization. Although the exact mechanisms underlying CRPS are unknown, the syndrome is associated with central and autonomic nervous system dysregulation and peripheral hyperalgesia symptoms. These symptoms also manifest in alcoholic neuropathy, suggesting that the two conditions may be pathophysiologically accretive. Interestingly, people assigned female at birth (AFAB) appear to be more sensitive to both CRPS and alcoholic neuropathy. To better understand the biobehavioral mechanisms underlying these conditions, we investigated a model of combined CRPS and alcoholic neuropathy in female rats. Animals were pair-fed either a Lieber-DeCarli alcohol liquid diet or a control diet for ten weeks. CRPS was modeled via unilateral hind limb cast immobilization for seven days, allowing for the other limb to serve as a within-subject control for hyperalgesia measures. To investigate the role of circulating ovarian hormones on pain-related behaviors, half of the animals underwent ovariectomy (OVX). Using the von Frey procedure to record mechanical paw withdrawal thresholds, we found that cast immobilization and chronic alcohol drinking separately and additively produced mechanical hyperalgesia observed 3 days after cast removal. We then examined neuroadaptations in AMPA GluR1 and NMDA NR1 glutamate channel subunits, extracellular signal-regulated kinase (ERK), and cAMP response element-binding protein (CREB) in bilateral motor and cingulate cortex across all groups. Consistent with increased pain-related behavior, chronic alcohol drinking increased GluR1, NR1, ERK, and CREB phosphorylation in the cingulate cortex. OVX did not alter any of the observed effects. Our results suggest accretive relationships between CRPS and alcoholic neuropathy symptoms and point to novel therapeutic targets for these conditions.
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Affiliation(s)
- Jessica A Cucinello-Ragland
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States
| | | | - W Bradley Trimble
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States
| | - Amy P Urbina
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States
| | - Alice Y Yeh
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States
| | - Kimberly N Edwards
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States
| | - Patricia E Molina
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States; Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health-New Orleans, United States
| | - Liz Simon Peter
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States; Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health-New Orleans, United States
| | - Scott Edwards
- Department of Physiology and School of Medicine, LSU Health-New Orleans, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States; Neuroscience Center of Excellence, LSU Health-New Orleans, United States; Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health-New Orleans, United States.
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6
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Compton PA, Wasser TE, Cheatle MD. Increased Experimental Pain Sensitivity in Chronic Pain Patients Who Developed Opioid Use Disorder. Clin J Pain 2021; 36:667-674. [PMID: 32520815 DOI: 10.1097/ajp.0000000000000855] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Although the great majority of individuals who take opioids for chronic pain use them appropriately and to good effect, a certain minority will develop the problematic outcome of opioid use disorder (OUD). Characteristics associated with the development of OUD in individuals with chronic pain have been described; however, relatively unexplored is how sensitivity to pain is associated with OUD outcomes. MATERIALS AND METHODS We examined for differences in response to static and dynamic experimental pain stimuli between individuals with chronic nonmalignant pain who developed OUD after starting opioid therapy (n=20) and those on opioid therapy who did not (n=20). During a single experimental session, participants underwent cold pressor and quantitative sensory testing pain assays, and objective and subjective responses were compared between groups; the role of pain catastrophizing in mediating pain responses was examined. RESULTS Results suggested that both groups of opioid-dependent patients were similarly hyperalgesic to the cold pressor pain stimulus, with nonparametric testing revealing worsened central pain sensitization (temporal summation) in those who developed OUD. Significant group differences were evident on subjective ratings of experimental pain, such that those who developed OUD rated the pain as more severe than those who did not. Pain catastrophizing was unrelated to pain responses. DISCUSSION Despite the small sample size and cross-sectional design, these findings suggest that experimental pain testing may be a novel technique in identifying patients with chronic pain likely to develop OUD, in that they are likely to evidence exacerbated temporal summation and to rate the associated pain as more severe.
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Affiliation(s)
- Peggy A Compton
- Department of Family and Community Health, School of Nursing
| | | | - Martin D Cheatle
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia
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7
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Pantazis CB, Gonzalez LA, Tunstall BJ, Carmack SA, Koob GF, Vendruscolo LF. Cues conditioned to withdrawal and negative reinforcement: Neglected but key motivational elements driving opioid addiction. SCIENCE ADVANCES 2021; 7:7/15/eabf0364. [PMID: 33827822 PMCID: PMC8026136 DOI: 10.1126/sciadv.abf0364] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/19/2021] [Indexed: 05/07/2023]
Abstract
Opioid use disorder (OUD) is a debilitating disorder that affects millions of people. Neutral cues can acquire motivational properties when paired with the positive emotional effects of drug intoxication to stimulate relapse. However, much less research has been devoted to cues that become conditioned to the aversive effects of opioid withdrawal. We argue that environmental stimuli promote motivation for opioids when cues are paired with withdrawal (conditioned withdrawal) and generate opioid consumption to terminate conditioned withdrawal (conditioned negative reinforcement). We review evidence that cues associated with pain drive opioid consumption, as patients with chronic pain may misuse opioids to escape physical and emotional pain. We highlight sex differences in withdrawal-induced stress reactivity and withdrawal cue processing and discuss neurocircuitry that may underlie withdrawal cue processing in dependent individuals. These studies highlight the importance of studying cues associated with withdrawal in dependent individuals and point to areas for exploration in OUD research.
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Affiliation(s)
- Caroline B Pantazis
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, USA.
| | - Luis A Gonzalez
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
- Department of Psychological and Brain Sciences, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD, USA
| | - Brendan J Tunstall
- Department of Pharmacology, Addiction Science, and Toxicology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Stephanie A Carmack
- Center for Adaptive Systems of Brain-Body Interactions, George Mason University, Fairfax, VA, USA
| | - George F Koob
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | - Leandro F Vendruscolo
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, USA.
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8
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Nauser JW, Nelson CI, Gross RT, Vargovich AM. Pain Experiences and Their Relation to Opioid Misuse Risk and Emotion Dysregulation. Pain Res Manag 2020; 2020:7234625. [PMID: 33224363 PMCID: PMC7673950 DOI: 10.1155/2020/7234625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 10/21/2020] [Accepted: 10/25/2020] [Indexed: 11/17/2022]
Abstract
Pain is a complex, multidimensional experience but often is measured as a unidimensional experience. This study aimed to separately assess the sensory and affective components of pain and identify their relations to important pain-related outcomes, particularly in terms of opioid misuse risk and emotion dysregulation among patients with chronic pain receiving treatment in Appalachia. Two hundred and twelve patients presenting to a multidisciplinary pain center completed the Difficulties in Emotion Regulation Scale (DERS-18), Screener and Opioid Assessment for Patients with Pain-Revised (SOAPP-R), and short-form McGill Pain Questionnaire (SF-MPQ). The sensory experience of pain was unrelated to emotion dysregulation (r = 0.06, p = 0.57) and weakly related to opioid misuse risk (r = 0.182, p < 0.05). In contrast, the affective experience of pain was moderately related to emotion dysregulation (r = 0.217, p < 0.05) and strongly related to opioid misuse risk (r = 0.37, p < 0.01). In addition, emotion dysregulation predicted variance in opioid misuse risk above and beyond the affective and sensory experiences of pain ((b = 0.693, p < 0.001). The results suggest patients with a strong affective experience versus sensory experience of pain and challenges with emotion regulation may require a more comprehensive intervention to address these underlying components in order to reduce their risk of misusing opioid medications.
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9
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Rieb LM, DeBeck K, Hayashi K, Wood E, Nosova E, Milloy MJ. Withdrawal-associated injury site pain prevalence and correlates among opioid-using people who inject drugs in Vancouver, Canada. Drug Alcohol Depend 2020; 216:108242. [PMID: 32861135 PMCID: PMC7850369 DOI: 10.1016/j.drugalcdep.2020.108242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Pain can return temporarily to old injury sites during opioid withdrawal. The prevalence and impact of opioid withdrawal-associated injury site pain (WISP) in various groups is unknown. METHODS Using data from observational cohorts, we estimated the prevalence and correlates of WISP among opioid-using people who inject drugs (PWID). Between June and December 2015, data on WISP and opioid use behaviours were elicited from participants in three ongoing prospective cohort studies in Vancouver, Canada, who were aged 18 years and older and who self-reported at least daily injection of heroin or non-medical presciption opioids. RESULTS Among 631 individuals, 276 (43.7 %) had a healed injury (usually pain-free), among whom 112 (40.6 %) experienced WISP, representing 17.7 % of opioid-using PWID interviewed. In a multivariable logistic regression model, WISP was positively associated with having a high school diploma or above (Adjusted Odds Ratio [AOR] = 2.23, 95 % Confidence Interval [CI]: 1.31-3.84), any heroin use in the last six months (AOR = 2.00, 95 % CI: 1.14-3.57), feeling daily pain that required medication (AOR = 2.06, CI: 1.18-3.63), and negatively associated with older age at first drug use (AOR = 0.96, 95 % CI: 0.93-0.99). Among 112 individuals with WISP, 79 (70.5 %) said that having this pain affected their opioid use behaviour, of whom 57 (72.2 %) used more opioids, 19 (24.1 %) avoided opioid withdrawal, while 3 (3.8 %) no longer used opioids to avoid WISP. CONCLUSIONS WISP is prevalent among PWID with a previous injury, and may alter opioid use patterns. Improved care strategies for WISP are warrented.
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Affiliation(s)
- Launette Marie Rieb
- Department of Family Practice, University of British Columbia, 5950 University Boulevard, Vancouver, British Columbia, Canada
| | - Kora DeBeck
- School of Public Policy, Simon Fraser University, 515 West Hastings Street, Office 3269, Vancouver, British Columbia, Canada,British Columbia Centre on Substance Use, 1045 Howe Street, Vancouver, British Columbia, Canada
| | - Kanna Hayashi
- British Columbia Centre on Substance Use, 1045 Howe Street, Vancouver, British Columbia, Canada,Faculty of Health Sciences, Simon Fraser University, Blusson Hall, Room 11300, Burnaby, British Columbia, Canada
| | - Evan Wood
- British Columbia Centre on Substance Use, 1045 Howe Street, Vancouver, British Columbia, Canada,Department of Medicine, University of British Columbia, 2775 Laurel Street, 10thFloor, Vancouver, British Columbia, Canada
| | - Ekaterina Nosova
- British Columbia Centre on Substance Use, 1045 Howe Street, Vancouver, British Columbia, Canada
| | - M-J Milloy
- British Columbia Centre on Substance Use, 1045 Howe Street, Vancouver, British Columbia, Canada; Department of Medicine, University of British Columbia, 2775 Laurel Street, 10thFloor, Vancouver, British Columbia, Canada.
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10
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Cucinello-Ragland JA, Edwards S. Neurobiological aspects of pain in the context of alcohol use disorder. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2020; 157:1-29. [PMID: 33648668 DOI: 10.1016/bs.irn.2020.09.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Alcohol is an effective and widely utilized analgesic. However, the chronic use of alcohol can actually facilitate nociceptive sensitivity over time, a condition known as hyperalgesia. Excessive and uncontrollable alcohol drinking is also a hallmark feature of alcohol use disorder (AUD). Both AUD and chronic pain are typically accompanied by negative affective states that may underlie reinforcement mechanisms contributing to AUD maintenance or progression. Frequent utilization of alcohol to relieve pain in individuals suffering from AUD or other chronic pain conditions may thus represent a powerful negative reinforcement construct. This chapter will describe ties between alcohol-mediated pain relief and potential exacerbation of AUD. We describe neurobiological systems engaged in alcohol analgesia as well as systems recruited in the development and maintenance of AUD and hyperalgesia. Although few effective therapies exist for either chronic pain or AUD, the common interaction of these conditions will likely lead the way for promising new discoveries of more effective and even simultaneous treatment of AUD and co-morbid hyperalgesia. An abundance of neurobiological findings from multiple laboratories has implicated a potentiation of central amygdala (CeA) signaling in both pain and AUD, and these data also suggest that attenuation of stress-related systems (including corticotropin-releasing factor, vasopressin, and glucocorticoid receptor activity) would be particularly effective and comprehensive therapeutic strategies targeting the critical intersection of somatic and motivational mechanisms driving AUD, including alcohol-induced hyperalgesia.
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Affiliation(s)
- Jessica A Cucinello-Ragland
- Department of Physiology and Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health Sciences Center, New Orleans, LA, United States
| | - Scott Edwards
- Department of Physiology and Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health Sciences Center, New Orleans, LA, United States.
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11
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Lorente JD, Cuitavi J, Campos-Jurado Y, Hipólito L. Pain-induced alterations in the dynorphinergic system within the mesocorticolimbic pathway: Implication for alcohol addiction. J Neurosci Res 2020; 100:165-182. [PMID: 32770601 DOI: 10.1002/jnr.24703] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/08/2020] [Accepted: 07/09/2020] [Indexed: 12/13/2022]
Abstract
Latest studies have revealed that pain negatively impacts on reward processing and motivation leading to negative affective states and stress. These states not only reduce quality of life of patients by increasing the appearance of psychiatric comorbidities, but also have an important impact on vulnerability to drug abuse, including alcohol. In fact, clinical, epidemiological but also preclinical studies have revealed that the presence of pain is closely related to alcohol use disorders (AUDs). All this evidence suggests that pain is a factor that increases the risk of suffering AUD, predicting heavy drinking behavior and relapse drinking in those patients with a previous history of AUD. The negative consequences of chronic pain and its impact on stress and AUD are likely mediated by alterations in the central nervous system, especially in the stress and reward systems. Therefore, pain and stress impact on dopaminergic mesolimbic pathway can lead to an increase in drug abuse liability. In this mini review we analyze the interaction between pain, stress, and alcohol addiction, and how dynamic changes in the kappa opioid system might play a crucial role in the development of compulsive alcohol drinking in chronic pain patients.
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Affiliation(s)
- Jesús David Lorente
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
| | - Javier Cuitavi
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
| | - Yolanda Campos-Jurado
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
| | - Lucía Hipólito
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of València, Burjassot, Spain
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12
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Adrienne McGinn M, Edwards KN, Edwards S. Chronic inflammatory pain alters alcohol-regulated frontocortical signaling and associations between alcohol drinking and thermal sensitivity. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2020; 8:100052. [PMID: 33005820 PMCID: PMC7509777 DOI: 10.1016/j.ynpai.2020.100052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/09/2020] [Indexed: 12/22/2022]
Abstract
Alcohol use disorder (AUD) is a chronic, relapsing psychiatric disorder that is characterized by the emergence of negative affective states. The transition from recreational, limited intake to uncontrolled, escalated intake is proposed to involve a transition from positive to negative reinforcement mechanisms for seeking alcohol. Past work has identified the emergence of significant hyperalgesia/allodynia in alcohol-dependent animals, which may serve as a key negative reinforcement mechanism. Chronic pain has been associated with enhanced extracellular signal-regulated kinase (ERK) activity in cortical and subcortical nociceptive areas. Additionally, both pain and AUD have been associated with increased activity of the glucocorticoid receptor (GR), a key mediator of stress responsiveness. The objectives of the current study were to first determine relationships between thermal nociceptive sensitivity and alcohol drinking in male Wistar rats. While inflammatory pain induced by complete Freund's adjuvant (CFA) administration did not modify escalation of home cage drinking in animals over four weeks, the relationship between drinking levels and hyperalgesia symptoms reversed between acute (1 week) and chronic (3-4 week) periods post-CFA administration, suggesting that either the motivational or analgesic effects of alcohol may be altered over the time course of chronic pain. We next examined ERK and GR phosphorylation in pain-related brain areas (including the central amygdala and prefrontal cortex subregions) in animals experiencing acute withdrawal from binge alcohol administration (2 g/kg, 6 h withdrawal) and CFA administration (four weeks) to model the neurobiological consequences of binge alcohol exposure in the context of pain. We observed a significant interaction between alcohol and pain state, whereby alcohol withdrawal increased ERK phosphorylation across all four frontocortical areas examined, although this effect was absent in animals experiencing chronic inflammatory pain. Alcohol withdrawal also increased GR phosphorylation across all four frontocortical areas, but these changes were not altered by CFA. Interestingly, we observed significant inter-brain regional correlations in GR phosphorylation between the insula and other regions investigated only in animals exposed to both alcohol and CFA, suggesting coordinated activity in insula circuitry and glucocorticoid signaling in this context. The results of these studies provide a greater understanding of the neurobiology of AUD and will contribute to the development of effective treatment strategies for comorbid AUD and pain.
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Affiliation(s)
- M. Adrienne McGinn
- Neurobiology of Addiction Section, National Institute on Drug Abuse IRP, United States
| | - Kimberly N. Edwards
- Department of Physiology, LSU Health-New Orleans, United States
- Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States
| | - Scott Edwards
- Department of Physiology, LSU Health-New Orleans, United States
- Alcohol & Drug Abuse Center of Excellence, LSU Health-New Orleans, United States
- Neuroscience Center of Excellence, LSU Health-New Orleans, United States
- Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health-New Orleans, United States
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13
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Delery EC, Edwards S. Neuropeptide and cytokine regulation of pain in the context of substance use disorders. Neuropharmacology 2020; 174:108153. [PMID: 32470337 DOI: 10.1016/j.neuropharm.2020.108153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/23/2020] [Accepted: 05/18/2020] [Indexed: 12/11/2022]
Abstract
Substance use disorders (SUDs) are frequently accompanied by affective symptoms that promote negative reinforcement mechanisms contributing to SUD maintenance or progression. Despite their widespread use as analgesics, chronic or excessive exposure to alcohol, opioids, and nicotine produces heightened nociceptive sensitivity, termed hyperalgesia. This review focuses on the contributions of neuropeptide (CRF, melanocortin, opioid peptide) and cytokine (IL-1β, TNF-α, chemokine) systems in the development and maintenance of substance-induced hyperalgesia. Few effective therapies exist for either chronic pain or SUD, and the common interaction of these disease states likely complicates their effective treatment. Here we highlight promising new discoveries as well as identify gaps in research that could lead to more effective and even simultaneous treatment of SUDs and co-morbid hyperalgesia symptoms.
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Affiliation(s)
- Elizabeth C Delery
- Department of Physiology and Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health Sciences Center, New Orleans, LA, 70112, USA
| | - Scott Edwards
- Department of Physiology and Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health Sciences Center, New Orleans, LA, 70112, USA.
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14
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Hansen E, Nadagoundla C, Wang C, Miller A, Case AA. Buprenorphine for Cancer Pain in Patients With Nonmedical Opioid Use: A Retrospective Study at a Comprehensive Cancer Center. Am J Hosp Palliat Care 2020; 37:350-353. [DOI: 10.1177/1049909119884358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background: Outpatients with cancer commonly have nonmedical opioid use (NMOU) behaviors and use opioids to dull emotional and existential suffering. Buprenorphine is often used for cancer pain due to less reported euphoria when compared to other opioids. Methods: A retrospective review was done in patients who were prescribed buprenorphine for cancer pain. Pain scores were reported on a Likert pain scale of 1 to 10. Nonmedical opioid use was defined as patients taking opioids for emotional pain at or above the maximum prescribed amount. Results: For 16 patients, the mean pain score prior to buprenorphine (pain pre) was 8.3 (Standard deviation (Std) 1.6), and the mean pain score on follow-up post-buprenorphine (pain post) was 6.1 (Std 2.3) with a reduction in mean pain score (pain change) of −2.0 (Std 2.9, P = .059). Those patients without NMOU had a pain prescore of 9.5 (Std 1.0) and pain post of 4.3 (Std 2.5) with a mean pain change of −5.0 (Std 1.7, P = .20). The mean pain change in those with chemical coping (−1.3/Std 2.7), illicit drug use (−2.8/Std 1.0), or psychiatric comorbidity (−2.4/Std 2.7) were reduced after buprenorphine, however, not statistically significant. Outpatient rotation to buprenorphine was well tolerated. Conclusions: The pain score in those patients without NMOU was significantly lower after rotation to buprenorphine than those with NMOU. We deduce that in those with NMOU, it is more challenging to achieve pain relief with buprenorphine. Overall, for all patients, rotation to buprenorphine resulted in a marginally significantly reduced pain score.
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Affiliation(s)
- Eric Hansen
- Department of Supportive and Palliative Care. Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14263, USA
- Division of Geriatrics and Palliative Medicine. State University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14263, USA
| | - Chitra Nadagoundla
- Department of Supportive and Palliative Care. Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14263, USA
- Division of Geriatrics and Palliative Medicine. State University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14263, USA
| | - Chong Wang
- Department of Supportive and Palliative Care. Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14263, USA
| | - Austin Miller
- Department of Supportive and Palliative Care. Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14263, USA
- Division of Geriatrics and Palliative Medicine. State University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14263, USA
| | - Amy Allen Case
- Department of Supportive and Palliative Care. Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY 14263, USA
- Division of Geriatrics and Palliative Medicine. State University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14263, USA
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Abstract
Background: The majority of individuals with Opioid Use Disorder (OUD) do not receive any formal substance use treatment. Due to limited engagement and access to traditional treatment, there is increasing evidence that patients with OUDs turn to online social platforms to access peer support and obtain health-related information about addiction and recovery. Interacting with peers before and during recovery is a key component of many evidence-based addiction recovery programs, and may improve self-efficacy and treatment engagement as well as reduce relapse. Commonly-used online social platforms are limited in utility and scalability as an adjunct to addiction treatment; lack effective content moderation (e.g., misinformed advice, maliciousness or “trolling”); and lack common security and ethical safeguards inherent to clinical care. Methods: This present study will develop a novel, artificial-intelligence (AI) enabled, mobile treatment delivery method that fulfills the need for a robust, secure, technology-based peer support platform to support patients with OUD. Forty adults receiving outpatient buprenorphine treatment for OUD will be asked to pilot a smartphone-based mobile peer support application, the “Marigold App”, for a duration of six weeks. The program will use (1) a prospective cohort study to obtain text message content and feasibility metrics, and (2) qualitative interviews to evaluate usability and acceptability of the mobile platform. Anticipated findings and future directions: The Marigold mobile platform will allow patients to access a tailored chat support group 24/7 as a complement to different forms of clinical OUD treatment. Marigold can keep groups safe and constructive by augmenting chats with AI tools capable of understanding the emotional sentiment in messages, automatically “flagging” critical or clinically relevant content. This project will demonstrate the robustness of these AI tools by adapting them to catch OUD-specific “flags” in peer messages while also examining the adoptability of the platform itself within OUD patients.
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16
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Tull MT, Edmonds KA, Forbes CN, Richmond JR, Rose JP, Anestis MD, Gratz KL. Examining Relationships between Gender, Opioid Dependence, and Distress Tolerance among Patients in Substance Use Disorder Treatment. Subst Use Misuse 2020; 55:1327-1334. [PMID: 32193972 PMCID: PMC8177557 DOI: 10.1080/10826084.2020.1741632] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Background: Opioid abuse/dependence is associated with multiple negative outcomes relative to other forms of substance abuse/dependence, including relapse. Research identifying modifiable characteristics associated with opioid dependence and associated negative outcomes may inform the development of targeted interventions for this high-risk population. One factor warranting investigation is low distress tolerance (DT). Purpose/Objectives: In a sample of patients in substance use disorder (SUD) treatment, the present study examined DT levels among patients with current opioid dependence versus no history of opioid dependence, as well as the moderating role of gender. We predicted that patients with opioid dependence would exhibit lower DT than those without a history of opioid dependence, and that women with opioid dependence would exhibit lower levels of DT than men with opioid dependence. Methods: A sample of 203 patients in residential SUD treatment were administered a series of diagnostic interviews and a behavioral measure of DT. Results: DT did not differ significantly as a function of opioid dependence. However, there was a significant opioid dependence by gender interaction, such that men with current opioid dependence exhibited significantly lower levels of DT than women with opioid dependence and men without a history of opioid dependence. Conclusions/Importance: Findings highlight a modifiable characteristic associated with opioid dependence among men that may be targeted in interventions.
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Affiliation(s)
- Matthew T Tull
- Department of Psychology, University of Toledo, Toledo, OH, USA
| | - Keith A Edmonds
- Department of Psychology, University of Toledo, Toledo, OH, USA
| | | | | | - Jason P Rose
- Department of Psychology, University of Toledo, Toledo, OH, USA
| | - Michael D Anestis
- Department of Psychology, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Kim L Gratz
- Department of Psychology, University of Toledo, Toledo, OH, USA
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Bilbao A, Leixner S, Wei S, Cantacorps L, Valverde O, Spanagel R. Reduced sensitivity to ethanol and excessive drinking in a mouse model of neuropathic pain. Addict Biol 2019; 24:1008-1018. [PMID: 31237390 DOI: 10.1111/adb.12784] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The co-occurrence of chronic pain and alcohol use disorders (AUDs) involves complex interactions between genetic and neurophysiological aspects, and the research has reported mixed findings when they both co-occur. There is also an indication of a gender-dependent effect; males are more likely to use alcohol to cope with chronic pain problems than females. Recently, a new conceptualization has emerged, proposing that the negative affective component of pain drives and maintains alcohol-related behaviors. We studied in a longitudinal fashion alterations in alcohol drinking patterns and pain thresholds in a mouse model of chronic neuropathic pain in a sex-dependent manner. Following partial denervation (spared nerve injury [SNI]), stimulus-evoked pain responses were measured before chronic alcohol consumption, during drinking, during a deprivation phase, and following an episode of excessive drinking. During the course of alcohol drinking, we observed pronounced sex differences in pain thresholds. Male mice showed a strong increase in pain thresholds, suggesting an analgesic effect induced by alcohol over time, an effect that was not observed in female mice. SNI mice did not differ from sham-operated controls in baseline alcohol consumption. However, following a deprivation phase and the reintroduction of ethanol, male SNI mice but not female mice showed more pronounced excessive drinking than controls. Finally, we observed decreased central ethanol sensitivity in male SNI mice but not in females. Together with our finding, that ethanol is able to decrease a pain-induced negative affective memory we come to following conclusion. We propose that a lower sensitivity to the intoxicating effects of alcohol together with the ability of alcohol to reduce the negative affective component of pain may explain the higher co-occurrence of AUD in male chronic pain patients.
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Affiliation(s)
- Ainhoa Bilbao
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty of Mannheim; Heidelberg University; Mannheim Germany
| | - Sarah Leixner
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty of Mannheim; Heidelberg University; Mannheim Germany
| | - Shoupeng Wei
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty of Mannheim; Heidelberg University; Mannheim Germany
| | - Lídia Cantacorps
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty of Mannheim; Heidelberg University; Mannheim Germany
- Neurobiology of Behavior Research Group (GReNeC-NeuroBio), Department of Health and Experimental Sciences, IMIM (Hospital del Mar Medical Research Institute); Pompeu Fabra University; Barcelona Spain
| | - Olga Valverde
- Neurobiology of Behavior Research Group (GReNeC-NeuroBio), Department of Health and Experimental Sciences, IMIM (Hospital del Mar Medical Research Institute); Pompeu Fabra University; Barcelona Spain
| | - Rainer Spanagel
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty of Mannheim; Heidelberg University; Mannheim Germany
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18
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Pérez-Martínez IO, Acevedo-Roque CR, Montes-Angeles CD, Martínez M, Miranda F. Mental nerve injury induces novelty seeking behaviour leading to increasing ethanol intake in Wistar rats. Arch Oral Biol 2019; 99:66-72. [PMID: 30639775 DOI: 10.1016/j.archoralbio.2019.01.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 01/04/2019] [Accepted: 01/07/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Dental treatment and orofacial surgeries may induce chronic neuropathic orofacial pain (CNOP). This kind of pain affects adaptability to environmental changes in both model animals and humans. Part of the adaptation process depends on the ability to distinguish between familiar and novel stimuli. CNOP induces novelty seeking behaviour as a deficit in environmental adaptation. Alternatively, novelty seeking is a sign for susceptibility to the development of substance abuse. Evidence shows that CNOP leads to alcoholism in animal models. The behavioural relationship between CNOP, novelty seeking behaviour and substance abuse is unknown. In this article, we investigate if CNOP produces an increase in novelty seeking and leads to increasing ethanol intake. DESIGN Firstly, we used mental nerve injury as a neuropathic orofacial pain model to evaluate both thermal and mechanical allodynia. We used the novel recognition task to determine novelty seeking behaviour and the drink in darkness protocol to assess ethanol intake. RESULTS Our results show that mental nerve constriction increases novelty seeking behaviour (p = 0.01) and correlates with ethanol binge consumption (r2 = 0.68, p = 0.0008). CONCLUSIONS The present study demonstrates, for the first time, that trigeminal nerve injury, which induces CNOP, is enough to provide novelty seeking behaviour and lead to increasing ethanol intake. The increase of novelty seeking behaviour can serve as a predictor of risk of developing substance abuse. The treatment of CNOP involves a high risk of producing addiction. The level of novelty seeking evaluation in patients with neuropathic pain before treatment is critical.
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Affiliation(s)
- Isaac O Pérez-Martínez
- Sección de Neurobiología de las Sensaciones Orales, Laboratorio de Investigación Odontológica, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Sección de Neurobiología de las sensaciones orales, Facultad de Estudios Superiores Iztacala, UNAM, Av. de los Barrios 1, Los reyes Ixtacala, Hab Los Reyes Ixtacala Barrio de los Árboles/Barrio de los Héroes, 54090 Tlalnepantla, Mexico.
| | - Casandra R Acevedo-Roque
- Sección de Neurobiología de las Sensaciones Orales, Laboratorio de Investigación Odontológica, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Sección de Neurobiología de las sensaciones orales, Facultad de Estudios Superiores Iztacala, UNAM, Av. de los Barrios 1, Los reyes Ixtacala, Hab Los Reyes Ixtacala Barrio de los Árboles/Barrio de los Héroes, 54090 Tlalnepantla, Mexico
| | - Claudia D Montes-Angeles
- Sección de Neurobiología de las Sensaciones Orales, Laboratorio de Investigación Odontológica, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Sección de Neurobiología de las sensaciones orales, Facultad de Estudios Superiores Iztacala, UNAM, Av. de los Barrios 1, Los reyes Ixtacala, Hab Los Reyes Ixtacala Barrio de los Árboles/Barrio de los Héroes, 54090 Tlalnepantla, Mexico
| | - Mariana Martínez
- Sección de Neurobiología de las Sensaciones Orales, Laboratorio de Investigación Odontológica, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Sección de Neurobiología de las sensaciones orales, Facultad de Estudios Superiores Iztacala, UNAM, Av. de los Barrios 1, Los reyes Ixtacala, Hab Los Reyes Ixtacala Barrio de los Árboles/Barrio de los Héroes, 54090 Tlalnepantla, Mexico
| | - Florencio Miranda
- Laboratorio de Neurofarmacología Conductual, Unidad Interdisciplinaria en ciencias de la Salud y la Eduación. Facultad de Estudios Superiores Iztacala, UNAM, Av De Los Barrios 1, Los Reyes Ixtacala, Hab Los Reyes Ixtacala Barrio de los Árboles/Barrio de los Héroes, 54090 Tlalnepantla, Mexico
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19
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Pahng AR, Edwards S. Measuring Pain Avoidance-Like Behavior in Drug-Dependent Rats. ACTA ACUST UNITED AC 2018; 85:e53. [PMID: 30248240 DOI: 10.1002/cpns.53] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In contrast to their analgesic properties, excessive use of either opioids or alcohol produces a paradoxical emergence of heightened pain sensitivity to noxious stimuli, termed hyperalgesia, which may promote increased use of opioids or alcohol drinking to manage worsening pain symptoms. Hyperalgesia has traditionally been measured in rodents via reflex-based assays, including the von Frey method. To better model the motivational and affective dimensions of pain in a state of opioid/alcohol dependence and withdrawal, this unit describes the use of a non-reflex-based method for measuring pain avoidance-like behavior in dependent rats. In the mechanical conflict-avoidance task, rats run across probes of varying heights to avoid a bright aversive light and to reach a dark goal chamber. A longer latency to exit onto the nociceptive probes reflects increased pain avoidance-like behavior during withdrawal. Mechanical conflict-avoidance testing can be repeated to provide both baseline assessment of pain avoidance behavior and pain avoidance measures after the induction of dependence.© 2018 by John Wiley & Sons, Inc.
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Affiliation(s)
- Amanda R Pahng
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - Scott Edwards
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana.,Alcohol & Drug Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana.,Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana
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20
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Fan XC, Fu S, Liu FY, Cui S, Yi M, Wan Y. Hypersensitivity of Prelimbic Cortex Neurons Contributes to Aggravated Nociceptive Responses in Rats With Experience of Chronic Inflammatory Pain. Front Mol Neurosci 2018; 11:85. [PMID: 29623029 PMCID: PMC5874315 DOI: 10.3389/fnmol.2018.00085] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Accepted: 03/05/2018] [Indexed: 12/12/2022] Open
Abstract
Previous experience of chronic pain causes enhanced responses to upcoming noxious events in both humans and animals, but the underlying mechanisms remain unclear. In the present study, we found that rats with complete Freund's adjuvant (CFA)-induced chronic inflammatory pain experience exhibited aggravated pain responses to later formalin test. Enhanced neuronal activation upon formalin assaults and increased phosphorylated cAMP-response element binding protein (CREB) were observed in the prelimbic cortex (PL) of rats with chronic inflammatory pain experience, and inhibiting PL neuronal activities reversed the aggravated pain. Inflammatory pain experience induced persistent p38 mitogen-activated protein kinase (MAPK; p38) but not extracellular regulated protein kinase (ERK) or c-Jun N-terminal kinase (JNK) hyperphosphorylation in the PL. Inhibiting the p38 phosphorylation in PL reversed the aggravated nociceptive responses to formalin test and down-regulated enhanced phosphorylated CREB in the PL. Chemogenetics identified PL-periaqueductal gray (PAG) but not PL-nucleus accumbens (NAc) as a key pathway in inducing the aggravated formalin pain. Our results demonstrate that persistent hyperphosphorylation of p38 in the PL underlies aggravated nociceptive responses in rats with chronic inflammatory pain experience.
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Affiliation(s)
- Xiao-Cen Fan
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Su Fu
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Feng-Yu Liu
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Shuang Cui
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Ming Yi
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - You Wan
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China.,Key Laboratory for Neuroscience, Ministry of Education/National Health and Family Planning Commission, Peking University, Beijing, China
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21
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Neurobiological Correlates of Pain Avoidance-Like Behavior in Morphine-Dependent and Non-Dependent Rats. Neuroscience 2017; 366:1-14. [PMID: 29024786 DOI: 10.1016/j.neuroscience.2017.09.055] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 09/26/2017] [Accepted: 09/28/2017] [Indexed: 12/30/2022]
Abstract
Repeated use of opioids can lead to the development of analgesic tolerance and dependence. Additionally, chronic opioid exposure can cause a paradoxical emergence of heightened pain sensitivity to noxious stimuli, termed hyperalgesia, which may drive continued or escalated use of opioids to manage worsening pain symptoms. Opioid-induced hyperalgesia has traditionally been measured in rodents via reflex-based assays, including the von Frey method. To better model the cognitive/motivational dimension of pain in a state of opioid dependence and withdrawal, we employed a recently developed non-reflex-based method for measuring pain avoidance-like behavior in animals (mechanical conflict avoidance test). Adult male Wistar rats were administered an escalating dose regimen of morphine (opioid-dependent group) or repeated saline (control group). Morphine-dependent rats exhibited significantly greater avoidance of noxious stimuli during withdrawal. We next investigated individual relationships between pain avoidance-like behavior and alterations in protein phosphorylation in central motivation-related brain areas. We discovered that pain avoidance-like behavior was significantly correlated with alterations in phosphorylation status of protein kinases (ERK, CaMKII), transcription factors (CREB), presynaptic markers of neurotransmitter release (Synapsin), and the rate-limiting enzyme for dopamine synthesis (TH) across specific brain regions. Our findings suggest that alterations in phosphorylation events in specific brain centers may support cognitive/motivational responses to avoid pain.
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22
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Kopera M, Brower KJ, Suszek H, Jakubczyk A, Fudalej S, Krasowska A, Klimkiewicz A, Wojnar M. Relationships between components of emotional intelligence and physical pain in alcohol-dependent patients. J Pain Res 2017; 10:1611-1618. [PMID: 28744154 PMCID: PMC5513835 DOI: 10.2147/jpr.s134019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
PURPOSE Chronic pain is a significant comorbidity in individuals with alcohol dependence (AD). Emotional processing deficits are a substantial component of both AD and chronic pain. The aim of this study was to analyze the interrelations between components of emotional intelligence and self-reported pain severity in AD patients. PATIENTS AND METHODS A sample of 103 participants was recruited from an alcohol treatment center in Warsaw, Poland. Information concerning pain level in the last 4 weeks, demographics, severity of current anxiety and depressive symptoms, as well as neuroticism was obtained. The study sample was divided into "mild or no pain" and "moderate or greater pain" groups. RESULTS In the logistic regression model, across a set of sociodemographic, psychological, and clinical factors, higher emotion regulation and higher education predicted lower severity, whereas increased levels of anxiety predicted higher severity of self-reported pain during the previous 4 weeks. When the mediation models looking at the association between current severity of anxiety and depressive symptoms and pain severity with the mediating role of emotion regulation were tested, emotion regulation appeared to fully mediate the relationship between depression severity and pain, and partially the relationship between anxiety severity and pain. CONCLUSION The current findings extend previous results indicating that emotion regulation deficits are related to self-reported pain in AD subjects. Comprehensive strategies focusing on the improvement of mood regulation skills might be effective in the treatment of AD patients with comorbid pain symptoms.
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Affiliation(s)
- Maciej Kopera
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Kirk J Brower
- Department of Psychiatry, Addiction Research Center, University of Michigan, Ann Arbor, MI, USA
| | - Hubert Suszek
- Department of Psychology, University of Warsaw, Warsaw, Poland
| | - Andrzej Jakubczyk
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Sylwia Fudalej
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | | | - Anna Klimkiewicz
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Department of Psychiatry, Addiction Research Center, University of Michigan, Ann Arbor, MI, USA
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23
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Pahng AR, McGinn MA, Paulsen RI, Edwards S. The Prefrontal Cortex as a Critical Gate of Negative Affect and Motivation in Alcohol Use Disorder. Curr Opin Behav Sci 2017; 13:139-143. [PMID: 28111628 PMCID: PMC5242235 DOI: 10.1016/j.cobeha.2016.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The prefrontal cortex (PFC) represents and executes the highest forms of goal-directed behavior, and has thereby attained a central neuroanatomical position in most pathophysiological conceptualizations of motivational disorders, including alcohol use disorder (AUD). Excessive, intermittent exposure to alcohol produces an allostatic dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis along with heightened forebrain glucocorticoid signaling that can damage PFC architecture and function. Negative affective states intimately associated with the transition to alcohol dependence result not only from a dysregulated HPA axis, but also from the inability of a damaged PFC to regulate subcortical stress and reinforcement centers, including the ventral striatum and amygdala. Several cognitive symptoms commonly associated with severe AUD, ranging from poor risk management to the cognitive/affective dimension of pain, are likely mediated by altered function of key anatomical elements that modulate PFC executive function, including contributions from the cingulate cortex and insula. Future therapeutic strategies for severe AUD should focus on attenuating the deleterious effects of excessive stress hormone activity on cognitive/affective and motivational behaviors gated by the PFC.
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Affiliation(s)
- Amanda R Pahng
- Department of Physiology, Alcohol and Drug Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA
| | - M Adrienne McGinn
- Department of Physiology, Alcohol and Drug Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA
| | - Rod I Paulsen
- Department of Physiology, Alcohol and Drug Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA
| | - Scott Edwards
- Department of Physiology, Alcohol and Drug Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, LA
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Hill EM, Hunt L, Duryea DG. Evolved Vulnerability to Addiction: The Problem of Opiates. EVOLUTIONARY PSYCHOLOGY 2017. [DOI: 10.1007/978-3-319-60576-0_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Brooks SJ. A debate on working memory and cognitive control: can we learn about the treatment of substance use disorders from the neural correlates of anorexia nervosa? BMC Psychiatry 2016; 16:10. [PMID: 26772802 PMCID: PMC4715338 DOI: 10.1186/s12888-016-0714-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 01/12/2016] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Anorexia Nervosa (AN) is a debilitating, sometimes fatal eating disorder (ED) whereby restraint of appetite and emotion is concomitant with an inflexible, attention-to-detail perfectionist cognitive style and obsessive-compulsive behaviour. Intriguingly, people with AN are less likely to engage in substance use, whereas those who suffer from an ED with a bingeing component are more vulnerable to substance use disorder (SUD). DISCUSSION This insight into a beneficial consequence of appetite control in those with AN, which is shrouded by the many other unhealthy, excessive and deficit symptoms, may provide some clues as to how the brain could be trained to exert better, sustained control over appetitive and impulsive processes. Structural and functional brain imaging studies implicate the executive control network (ECN) and the salience network (SN) in the neuropathology of AN and SUD. Additionally, excessive employment of working memory (WM), alongside more prominent cognitive deficits may be utilised to cope with the experience of negative emotions and may account for aberrant brain function. WM enables mental rehearsal of cognitive strategies while regulating, restricting or avoiding neural responses associated with the SN. Therefore, high versus low WM capacity may be one of the factors that unites common cognitive and behavioural symptoms in those suffering from AN and SUD respectively. Furthermore, emerging evidence suggests that by evoking neural plasticity in the ECN and SN with WM training, improvements in neurocognitive function and cognitive control can be achieved. Thus, considering the neurocognitive processes of excessive appetite control and how it links to WM in AN may aid the application of adjunctive treatment for SUD.
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Affiliation(s)
- Samantha J. Brooks
- UCT Department of Psychiatry and Mental Health, Groote Schuur Hospital, Anzio Road, Observatory Cape Town, South Africa
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Koyanagi A, Stickley A. The association between psychosis and severe pain in community-dwelling adults: Findings from 44 low- and middle-income countries. J Psychiatr Res 2015; 69:19-26. [PMID: 26343590 DOI: 10.1016/j.jpsychires.2015.07.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 07/12/2015] [Accepted: 07/17/2015] [Indexed: 12/19/2022]
Abstract
Previous studies examining the association between schizophrenia and pain have produced mixed results and data on sub-threshold psychosis or psychotic symptoms and pain are scarce. This study assessed the association between psychosis and severe pain among community-dwelling adults in 44 low- and middle-income countries (LMICs) where no data exists. Data on 235,370 adults aged ≥18 years from the World Health Survey (WHS) 2002-2004 were analyzed. The presence of past 12-month psychotic symptoms was established using four questions from the Composite International Diagnostic Interview. Participants were categorized into four mutually exclusive groups based on whether they had at least one psychotic symptom and/or a lifetime psychosis or schizophrenia diagnosis. Multivariable logistic regression was used to estimate the association between psychosis and past 30-day severe pain. The prevalence of severe pain among those with 0, 1, 2, ≥3 psychotic symptoms was 8.7%, 16.7%, 21.8%, 30.5% respectively. Compared to those with no psychotic symptoms or diagnosis, the ORs (95% CIs) were: at least one symptom without diagnosis [2.17 (1.99-2.38)]; no symptom with diagnosis [2.33 (1.71-3.17)]; at least one symptom and diagnosis [4.27 (3.20-5.71)]. Associations were partly mediated by chronic physical conditions, anxiety, and depression. Despite some limitations such as the use of a single-item question to assess pain, the results of this study suggest that individuals with psychotic symptoms or a psychosis diagnosis should be systematically assessed for pain, and if necessary, receive treatment for pain and its underlying conditions. Future research on the effect of pain management on psychosis outcome is warranted.
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Affiliation(s)
- Ai Koyanagi
- Research and Development Unit, Parc Sanitari Sant Joan de Déu, Universitat de Barcelona, Fundació Sant Joan de Déu, Sant Boi de Llobregat, Barcelona, Spain; The Stockholm Centre for Health and Social Change (SCOHOST), Södertörn University, Huddinge, Sweden; Instituto de Salud Carlos III, Centro de Investigación Biomédica en Red de Salud Mental, CIBERSAM, Madrid, Spain.
| | - Andrew Stickley
- The Stockholm Centre for Health and Social Change (SCOHOST), Södertörn University, Huddinge, Sweden; Department of Human Ecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Child and Adolescent Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
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