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Fox HC, Milivojevic V, MacDougall A, LaVallee H, Simpson C, Angarita GA, Sinha R. Stress-related suppression of peripheral cytokines predicts future relapse in alcohol-dependent individuals with and without subclinical depression. Addict Biol 2020; 25:e12832. [PMID: 31736187 DOI: 10.1111/adb.12832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 07/22/2019] [Accepted: 08/28/2019] [Indexed: 12/01/2022]
Abstract
Chronic alcohol abuse and depressive symptoms are both associated with peripheral cytokine changes. Despite this, cytokine adaptations have not been assessed in co-morbid populations or prospectively as predictors of relapse. We examine cytokine responses to stress in alcohol-dependent individuals and social drinkers, both with and without subclinical depression. We also examine the potential link between cytokine adaptations in response to stress and prospective alcohol relapse risk. Thirty-three, alcohol-dependent individuals (21 with and 12 without high depressive symptoms) and 37 controls (16 with and 21 without high depressive symptoms) were exposed to two 5-minute personalized guided imagery conditions (stress and neutral) across consecutive days in a randomized and counterbalanced order. Alcohol craving and serum measures of tumor necrosis factor alpha (TNFα), tumor necrosis factor receptor 1 (TNFR1), interleukin-6 (IL-6), and interleukin-1 receptor antagonist (IL-1ra) were collected prior to and following imagery exposure. Following treatment discharge, follow-up interviews were conducted over 90 days to assess relapse. Dampened IL-1ra and IL-6 in response to stress was observed as a function of alcohol dependence and not moderated by depressive symptoms. Lower levels of IL-6 following stress also predicted greater drinking days following treatment. Conversely, high depressive symptomatology was associated solely with pro-inflammatory adaptations. Stress-related suppression of TNFα predicted drinking severity only in alcohol-dependent individuals with subclinical depression, and suppressed TNFR1 following stress was only seen in individuals with subclinical depression. Stress-induced suppression of pro-inflammatory TNF markers may indicate a risk factor for alcohol-dependent individuals with co-occurring depressive symptoms.
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Affiliation(s)
- Helen C. Fox
- Department of Psychiatry, School of Medicine Stony Brook University Stony Brook NY USA
| | - Verica Milivojevic
- The Yale Stress Center, Department of Psychiatry Yale University School of Medicine New Haven CT USA
| | - Alicia MacDougall
- The Yale Stress Center, Department of Psychiatry Yale University School of Medicine New Haven CT USA
| | - Heather LaVallee
- The Yale Stress Center, Department of Psychiatry Yale University School of Medicine New Haven CT USA
| | - Christine Simpson
- Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | - Gustavo A. Angarita
- Clinical Neuroscience Research Unit, The Connecticut Mental Health Center, Department of Psychiatry Yale University School of Medicine New Haven CT USA
| | - Rajita Sinha
- The Yale Stress Center, Department of Psychiatry Yale University School of Medicine New Haven CT USA
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Stamatovich SN, Lopez-Gamundi P, Suchting R, Colpo GD, Walss-Bass C, Lane SD, Schmitz JM, Wardle MC. Plasma pro- and anti-inflammatory cytokines may relate to cocaine use, cognitive functioning, and depressive symptoms in cocaine use disorder. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2020; 47:52-64. [DOI: 10.1080/00952990.2020.1828439] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Paula Lopez-Gamundi
- Department of Cognition, Development and Educational Psychology, Institute of Neurosciences, University of Barcelona, Barcelona, Spain
- Cognition and Brain Plasticity Unit, Bellvitge Biomedical Research Institute, Barcelona, Spain
| | - Robert Suchting
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Gabriela D. Colpo
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Consuelo Walss-Bass
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Scott D. Lane
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Joy M. Schmitz
- Faillace Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Margaret C. Wardle
- Department of Psychology, University of Illinois at Chicago, Chicago, IL, USA
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Lucerne KE, Kiraly DD. The role of gut-immune-brain signaling in substance use disorders. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2020; 157:311-370. [PMID: 33648673 DOI: 10.1016/bs.irn.2020.09.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Substance use disorders (SUDs) are debilitating neuropsychiatric conditions that exact enormous costs in terms of loss of life and individual suffering. While much progress has been made defining the neurocircuitry and intracellular signaling cascades that contribute to SUDs, these studies have yielded limited effective treatment options. This has prompted greater exploration of non-traditional targets in addiction. Emerging data suggest inputs from peripheral systems, such as the immune system and the gut microbiome, impact multiple neuropsychiatric diseases, including SUDs. Until recently the gut microbiome, peripheral immune system, and the CNS have been studied independently; however, current work shows the gut microbiome and immune system critically interact to modulate brain function. Additionally, the gut microbiome and immune system intimately regulate one another via extensive bidirectional communication. Accumulating evidence suggests an important role for gut-immune-brain communication in the pathogenesis of substance use disorders. Thus, a better understanding of gut-immune-brain signaling could yield important insight to addiction pathology and potential treatment options.
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Affiliation(s)
- Kelsey E Lucerne
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Drew D Kiraly
- Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
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Bachmann MC, Bellalta S, Basoalto R, Gómez-Valenzuela F, Jalil Y, Lépez M, Matamoros A, von Bernhardi R. The Challenge by Multiple Environmental and Biological Factors Induce Inflammation in Aging: Their Role in the Promotion of Chronic Disease. Front Immunol 2020; 11:570083. [PMID: 33162985 PMCID: PMC7591463 DOI: 10.3389/fimmu.2020.570083] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 09/24/2020] [Indexed: 12/13/2022] Open
Abstract
The aging process is driven by multiple mechanisms that lead to changes in energy production, oxidative stress, homeostatic dysregulation and eventually to loss of functionality and increased disease susceptibility. Most aged individuals develop chronic low-grade inflammation, which is an important risk factor for morbidity, physical and cognitive impairment, frailty, and death. At any age, chronic inflammatory diseases are major causes of morbimortality, affecting up to 5-8% of the population of industrialized countries. Several environmental factors can play an important role for modifying the inflammatory state. Genetics accounts for only a small fraction of chronic-inflammatory diseases, whereas environmental factors appear to participate, either with a causative or a promotional role in 50% to 75% of patients. Several of those changes depend on epigenetic changes that will further modify the individual response to additional stimuli. The interaction between inflammation and the environment offers important insights on aging and health. These conditions, often depending on the individual's sex, appear to lead to decreased longevity and physical and cognitive decline. In addition to biological factors, the environment is also involved in the generation of psychological and social context leading to stress. Poor psychological environments and other sources of stress also result in increased inflammation. However, the mechanisms underlying the role of environmental and psychosocial factors and nutrition on the regulation of inflammation, and how the response elicited for those factors interact among them, are poorly understood. Whereas certain deleterious environmental factors result in the generation of oxidative stress driven by an increased production of reactive oxygen and nitrogen species, endoplasmic reticulum stress, and inflammation, other factors, including nutrition (polyunsaturated fatty acids) and behavioral factors (exercise) confer protection against inflammation, oxidative and endoplasmic reticulum stress, and thus ameliorate their deleterious effect. Here, we discuss processes and mechanisms of inflammation associated with environmental factors and behavior, their links to sex and gender, and their overall impact on aging.
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Affiliation(s)
| | - Sofía Bellalta
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Roque Basoalto
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | | | - Yorschua Jalil
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Macarena Lépez
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Anibal Matamoros
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Institute of Biological Sciences (ICB), Federal University of Pará, Belem, Brazil
| | - Rommy von Bernhardi
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
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Góes Rabelo R, Salgueiro AP, Visioli F, da Silva VP, das Graças Alonso Oliveira M, Ribeiro DA, Cury PR, Dos Santos JN. Argyrophilic nucleolar organizer regions in oral mucosa cells of crack and cocaine users: a cross-sectional study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:37920-37926. [PMID: 32617811 DOI: 10.1007/s11356-020-09892-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 06/25/2020] [Indexed: 06/11/2023]
Abstract
The objective of this study was to analyze and compare the presence of argyrophilic nucleolar organizer regions (AgNORs) in exfoliated cells obtained from the buccal mucosa among crack and cocaine users and non-users by the AgNOR staining technique. Seventy-three males ≥ 18 years were categorized into two groups: 38 crack and/or cocaine users and 35 non-user volunteers. They were interviewed and responded a questionnaire regarding general health and drug addiction. Exfoliative cytology specimens were collected from the clinically intact buccal mucosa, and cytological preparations were fixed and stained by AgNOR technique. The mean number of AgNORs (p = 0.02) and the percentage of epithelial cells with more than 3 (p = 0.01) and 4 (p = 0.04) AgNORs/nucleus were significantly higher in the non-user group. In conclusion, the frequency and diversity of substances present in the drugs-cocaine, crack, and alcohol-consumed by the volunteers of this study may have influenced the number of AgNORs and the response to damage and consequent effect on protein synthesis.
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Affiliation(s)
- Rosângela Góes Rabelo
- Dentistry and Health Postgraduation Program, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62-Canela, Salvador, Bahia, 40110-150, Brazil
| | - Arthur Pias Salgueiro
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Ramiro Barcelos, 2492-Santa Cecília, Porto Alegre, Rio Grande do Sul, 90035-003, Brazil
| | - Fernanda Visioli
- Department of Oral Pathology, School of Dentistry, Federal University of Rio Grande do Sul, Ramiro Barcelos, 2492-Santa Cecília, Porto Alegre, Rio Grande do Sul, 90035-003, Brazil
| | - Viviane Palmeira da Silva
- Dentistry and Health Postgraduation Program, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62-Canela, Salvador, Bahia, 40110-150, Brazil
| | - Maria das Graças Alonso Oliveira
- Dentistry and Health Postgraduation Program, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62-Canela, Salvador, Bahia, 40110-150, Brazil
| | - Daniel Araki Ribeiro
- Department of Biosciences, Federal University of Sao Paulo, Silva Jardim, 136-Vila Matias, Santos, São Paulo, 11015-020, Brazil
| | - Patricia Ramos Cury
- Dentistry and Health Postgraduation Program, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62-Canela, Salvador, Bahia, 40110-150, Brazil
| | - Jean Nunes Dos Santos
- Laboratory of Oral and Maxillofacial Pathology, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62- Canela, Salvador, Bahia, 40110-150, Brazil.
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Vieira JL, Cherikh WS, Lindblad K, Stehlik J, Mehra MR. Cocaine use in organ donors and long-term outcome after heart transplantation: An International Society for Heart and Lung Transplantation registry analysis. J Heart Lung Transplant 2020; 39:1341-1350. [PMID: 32950382 DOI: 10.1016/j.healun.2020.08.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 08/18/2020] [Accepted: 08/25/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Cardiac allografts from donors with a history of cocaine use (DHCU) are often discarded owing to concerns regarding organ quality. We investigated long-term outcomes of de novo adult heart transplantation (HTx) using DHCU. METHODS Using the International Society for Heart and Lung Transplantation Thoracic Organ Transplant Registry, we identified 24,430 adult recipients of primary, deceased donor, heart-alone transplants between January 1, 2000, and June 30, 2013. Transplants were categorized on the basis of DHCU. Survival rates were compared using Kaplan-Meier curves and log-rank tests. RESULTS A total of 3,246 (13.3%) HTx were performed using DHCU during the study period. Of these, 1,477 (45.5%) were classified as current users. Organs from DHCU were transplanted at a later sequence number (data from a sub-group of patients transplanted in the United States) than those from the non-cocaine use group (mean sequence number 16.1 ± 55.6 vs 11.5 ± 38.2; p < 0.001), suggesting higher decline rates by centers. Kaplan-Meier estimates of survival were not different between groups (p = 0.16), with post-transplant survival rates at 1, 5, and 10 years of 88.1%, 75.8%, and 58.5%, respectively, in the non-cocaine use group and 90.0%, 76.7%, and 59.7%, respectively, in the DHCU group. On multivariate analysis, DHCU were not associated with mortality (hazard ratio [HR]: 0.94; 95% CI: 0.88-1.00; p = 0.050), cardiac allograft vasculopathy (HR: 1.02; 95% CI: 0.94-1.11; p = 0.56), or allograft rejection (HR: 0.98; 95% CI: 0.92-1.05; p = 0.61). CONCLUSIONS Our findings demonstrate that adult HTx performed using DHCU is not associated with an adverse impact on long-term clinical outcomes. These findings should spur efforts to reduce discard rates of organs from DHCU.
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Affiliation(s)
- Jefferson L Vieira
- Heart and Vascular Center, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | | | | | - Josef Stehlik
- Division of Cardiovascular Medicine, University of Utah, Salt Lake City, Utah
| | - Mandeep R Mehra
- Heart and Vascular Center, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
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Chivero ET, Liao K, Niu F, Tripathi A, Tian C, Buch S, Hu G. Engineered Extracellular Vesicles Loaded With miR-124 Attenuate Cocaine-Mediated Activation of Microglia. Front Cell Dev Biol 2020; 8:573. [PMID: 32850781 PMCID: PMC7409518 DOI: 10.3389/fcell.2020.00573] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 06/15/2020] [Indexed: 12/31/2022] Open
Abstract
MicroRNA-124 (miR-124), a brain-enriched microRNA, is known to regulate microglial quiescence. Psychostimulants such as cocaine have been shown to activate microglia by downregulating miR-124, leading, in turn, to neuroinflammation. We thus rationalized that restoring the levels of miR-124 could function as a potential therapeutic approach for cocaine-mediated neuroinflammation. Delivering miRNA based drugs in the brain that are effective and less invasive, however, remains a major challenge in the field. Herein we engineered extracellular vesicles (EVs) and loaded them with miR-124 for delivery in the brain. Approach involved co-transfection of mouse dendritic cells with Dicer siRNA and RVG-Lamp2b plasmid to deplete endogenous miRNAs and for targeting the CNS, respectively. Mouse primary microglia (mPm) were treated with purified engineered EVs loaded with either Cy5-miR-124 or Cy5-scrambled miRNA oligos in the presence or absence of cocaine followed by assessing EV uptake and microglial activation. In vivo studies involved pretreating mice intranasally with engineered EVs followed by cocaine injection (20 mg/kg, i.p.). mPm exposed to EV-miR-124 exhibited reduced expression of miR-124 targets - TLR4 and STAT3 as well as ERK-1/2 and Iba1. In cocaine administered mice, EV-Cy5-miR-124 delivered intranasally were detected in the CNS and significantly reduced the expression of inflammatory markers TLR4, MYD88, STAT3 and NF-kB p65 while also downregulating the microglial activation marker, Iba1. Collectively, these findings suggest that engineered EVs can deliver miR-124 into the CNS, thereby alleviating cocaine-mediated microglial activation. Manipulating EV miRNAs can thus be envisioned as an efficient means for delivery of RNA-based therapeutics to target organs.
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Rosário BDA, de Nazaré MDFS, Estadella D, Ribeiro DA, Viana MDB. Behavioral and neurobiological alterations induced by chronic use of crack cocaine. Rev Neurosci 2020; 31:59-75. [PMID: 31129656 DOI: 10.1515/revneuro-2018-0118] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 02/25/2019] [Indexed: 01/01/2023]
Abstract
Crack cocaine is the crystal form of cocaine and can be smoked, and rapidly absorbed, and, in part for this reason, is potently addictive. It is hypothesized that crack cocaine is able to induce important changes in different tissues and organs, and thus dramatically alter behavior. Nevertheless, which alterations in the central nervous system are related to its frequent use is still a matter of discussion. The present study is a literature review of articles published between the years 2008 and 2018 on the theme 'crack cocaine and brain' available in PUBMED, MEDLINE, EMBASE, and Google scholar databases. The results show that the use of crack cocaine induces important behavioral, neuroanatomical, and biochemical alterations. The main behavioral sequelae include cognitive and emotional changes, such as increased anxiety and depressive symptoms, attention and memory deficits, and hyperactivity. Among the neurobiological alterations are reductions in the activity of the prefrontal, anterior cingulate cortex, and nucleus accumbens. Molecular changes include decreases in neurotrophic factors and increases in oxidative stress and inflammatory cytokines, which may be responsible for the morphological alterations observed. It is also hypothesized that these neurobiological changes might explain the emotional and cognitive dysfunctions experienced by crack cocaine addicts.
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Affiliation(s)
- Bárbara Dos Anjos Rosário
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Rua Silva Jardim, 136, 11015-20 Santos SP, Brazil
| | | | - Débora Estadella
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Rua Silva Jardim, 136, 11015-20 Santos SP, Brazil
| | - Daniel Araki Ribeiro
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Rua Silva Jardim, 136, 11015-20 Santos SP, Brazil
| | - Milena de Barros Viana
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Rua Silva Jardim, 136, 11015-20 Santos SP, Brazil, e-mail:
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59
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Womack JA, Justice AC. The OATH Syndemic: opioids and other substances, aging, alcohol, tobacco, and HIV. Curr Opin HIV AIDS 2020; 15:218-225. [PMID: 32487817 PMCID: PMC7422477 DOI: 10.1097/coh.0000000000000635] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Persons living with HIV (PLWH) are aging, continue to use alcohol and other substances, and experience age-associated adverse effects. We explore a new syndemic: OATH (opioids and other substances, aging, alcohol, tobacco, and HIV). RECENT FINDINGS Frailty and falls are important problems that affect the health status of PLWH who continue to use alcohol and other substances. HIV, alcohol and other substance use, and aging each contributes to inflammaging. Multimorbidity and polypharmacy are also important pathways as alcohol and other substances interact with prescribed medications resulting in adverse-drug interactions leading to potentially serious consequences. Social conditions including racism, poverty, sex bias, stress, and stigma contribute to the existence and persistence of this syndemic. SUMMARY Substance use, HIV, and aging are linked in a new syndemic (OATH) that drives age-related outcomes such as frailty and falls. We need to expand our understanding of the 'healthcare team' so that we include social and political advocates who can support necessary structural change. Treatment of substance use should be better incorporated into the management of HIV, including a focus on potential medication/substance interactions. Finally, we need to explore treatment of frailty rather than individual manifestations of frailty (e.g., atherosclerosis, neurodegeneration).
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Affiliation(s)
- Julie A. Womack
- VA Connecticut Healthcare System, West Haven, CT
- Yale School of Nursing, Orange, CT
| | - Amy C. Justice
- VA Connecticut Healthcare System, West Haven, CT
- Yale School of Medicine, New Haven, CT
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HIV Infection and Neurocognitive Disorders in the Context of Chronic Drug Abuse: Evidence for Divergent Findings Dependent upon Prior Drug History. J Neuroimmune Pharmacol 2020; 15:715-728. [PMID: 32533296 DOI: 10.1007/s11481-020-09928-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 05/26/2020] [Indexed: 12/14/2022]
Abstract
The fronto-striatal circuitry, involving the nucleus accumbens, ventral tegmental area, and prefrontal cortex, mediates goal-directed behavior and is targeted by both drugs of abuse and HIV-1 infection. Acutely, both drugs and HIV-1 provoke increased dopamine activity within the circuit. However, chronic exposure to drugs or HIV-1 leads to dysregulation of the dopamine system as a result of fronto-striatal adaptations to oppose the effects of repeated instances of transiently increased dopamine. Specifically, chronic drug use leads to reduced dopaminergic tone, upregulation of dopamine transporters, and altered circuit connectivity, sending users into an allosteric state in which goal-directed behaviors are dysregulated (i.e., addiction). Similarly, chronic exposure to HIV-1, even with combination antiretroviral therapy (cART), dysregulates dopamine and dopamine transporter function and alters connectivity of the fronto-striatal circuit, contributing to apathy and clinical symptoms of HIV-1 associated neurocognitive disorders (HAND). Thus, in a drug user also exposed to HIV-1, dysregulation of the fronto-striatal dopamine circuit advances at an exacerbated rate and appears to be driven by mechanisms unique from those seen with chronic drug use or HIV-1 exposure alone. We posit that the effects of drug use and HIV-1 infection on microglia interact to drive the progression of motivational dysfunction at an accelerated rate. The current review will therefore explore how the fronto-striatal circuit adapts to drug use (using cocaine as an example), HIV-1 infection, and both together; emphasizing proper methods and providing future directions to develop treatments for pathologies disrupting goal-directed behaviors and improve clinical outcomes for affected patients. Graphical Abstract Drug use and HIV-1 in the fronto-striatal circuit. Drugs of abuse and HIV-1 infection both target the fronto-striatal circuit which mediates goal-directed behavior. Acutely, drugs and HIV-1 increase dopamine activity; in contrast chronic exposure produces circuit adaptions leading to dysregulation, addiction and/or apathy. Comorbid drug use and HIV-1 infection may interact with microglia to exacerbate motivational dysregulation.
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Soder HE, Berumen AM, Gomez KE, Green CE, Suchting R, Wardle MC, Vincent J, Teixeira AL, Schmitz JM, Lane SD. Elevated Neutrophil to Lymphocyte Ratio in Older Adults with Cocaine Use Disorder as a Marker of Chronic Inflammation. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2020; 18:32-40. [PMID: 31958903 PMCID: PMC7006975 DOI: 10.9758/cpn.2020.18.1.32] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/22/2019] [Accepted: 10/23/2019] [Indexed: 01/23/2023]
Abstract
Objective The neutrophil to lymphocyte ratio (NLR) is a non-specific, easy-to-obtain marker of inflammation associated with morbidity and mortality in systemic, psychiatric, and age-related inflammatory conditions. Given the growing trend of substance use disorder (SUD) in older adults, and the relationship between inflammation and SUD elevated NLR may serve as a useful inflammatory biomarker of the combined burden of aging and SUD. The present study focused on cocaine use disorder (CUD) to examine if cocaine adds further inflammatory burden among older adults, by comparing NLR values between older adults with CUD and a non-cocaine using, aged-matched, nationally representative sample. Methods The dataset included 107 (86% male) participants (aged 50-65 years) with cocaine use disorder. NLR was derived from complete blood count tests by dividing the absolute value of peripheral neutrophil concentration by lymphocyte concentration. For comparison, we extracted data from age-matched adults without CUD using the National Health and Nutrition Examination Survey. Individuals with immunocompromising conditions were excluded (e.g., rheumatoid arthritis and sexually transmitted infections such as HIV). A doubly-robust inverse probability-weighted regression adjustment (IPWRA) propensity score method was used to estimate group differences on NLR while controlling for potential confounding variables (age, gender, race, income, nicotine, marijuana and alcohol use). Results The IPWRA model revealed that the CUD sample had significantly elevated NLR in comparison to non-cocaine users, with a moderate effect size (β weight = 0.67). Conclusion Although non-specific, NLR represents a readily obtainable inflammatory marker for SUD research. CUD may add further inflammatory burden to aging cocaine users.
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Affiliation(s)
- Heather E Soder
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
| | - Amber M Berumen
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
| | - Kira E Gomez
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
| | - Charles E Green
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA.,epartment of Pediatrics, University of Texas Health Science Center at Houston, Houston,TX, USA
| | - Robert Suchting
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
| | - Margaret C Wardle
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA.,Department of Psychology, University of Illinois at Chicago, Chicago, IL, USA
| | - Jessica Vincent
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
| | | | - Joy M Schmitz
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
| | - Scott D Lane
- Faillace Department of Psychiatry and Behavioral Sciences, TX, USA
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HENDERSON LJ, JOHNSON TP, SMITH BR, REOMA LB, SANTAMARIA UA, BACHANI M, DEMARINO C, BARCLAY RA, SNOW J, SACKTOR N, MCARTHUR J, LETENDRE S, STEINER J, KASHANCHI F, NATH A. Presence of Tat and transactivation response element in spinal fluid despite antiretroviral therapy. AIDS 2019; 33 Suppl 2:S145-S157. [PMID: 31789815 PMCID: PMC11032747 DOI: 10.1097/qad.0000000000002268] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The aim of this study was to measure the protein concentration and biological activity of HIV-1 Tat in cerebrospinal fluid (CSF) of individuals on suppressive antiretroviral therapy (ART). DESIGN CSF was collected from 68 HIV-positive individuals on ART with plasma viral load less than 40 copies/ml, and from 25 HIV-negative healthy controls. Duration of HIV infection ranged from 4 to more than 30 years. METHODS Tat levels in CSF were evaluated by an ELISA. Tat protein and viral RNA were quantified from exosomes isolated from CSF, followed by western blot or quantitative reverse transcription PCR, respectively. Functional activity of Tat was assessed using an LTR transactivation assay. RESULTS Tat protein was detected in 36.8% of CSF samples from HIV-positive patients. CSF Tat concentration increased in four out of five individuals after initiation of therapy, indicating that Tat was not inhibited by ART. Similarly, exosomes from 34.4% of CSF samples were strongly positive for Tat protein and/or TAR RNA. Exosomal Tat retained transactivation activity in a CEM-LTR reporter assay in 66.7% of samples assayed, which indicates that over half of the Tat present in CSF is functional. Presence of Tat in CSF was highly associated with previous abuse of psychostimulants (cocaine or amphetamines; P = 0.01) and worse performance in the psychomotor speed (P = 0.04) and information processing (P = 0.02) cognitive domains. CONCLUSION Tat and TAR are produced in the central nervous system despite adequate ART and are packaged into CSF exosomes. Tat remains biologically active within this compartment. These studies suggest that Tat may be a quantifiable marker of the viral reservoir and highlight a need for new therapies that directly inhibit Tat.
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Affiliation(s)
- Lisa J. HENDERSON
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
| | - Tory P. JOHNSON
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Bryan R. SMITH
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
| | - Lauren Bowen REOMA
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
| | - Ulisses A. SANTAMARIA
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
| | - Muzna BACHANI
- Translational Neuroscience Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda Maryland
| | - Catherine DEMARINO
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas Virginia
| | - Robert A. BARCLAY
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas Virginia
| | - Joseph SNOW
- National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland
| | - Ned SACKTOR
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Justin MCARTHUR
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Scott LETENDRE
- University of California San Diego School of Medicine, Division of Infectious Diseases and Global Public Health, San Diego California
| | - Joseph STEINER
- Translational Neuroscience Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda Maryland
| | - Fatah KASHANCHI
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Manassas Virginia
| | - Avindra NATH
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
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Zaparte A, Schuch JB, Viola TW, Baptista TAS, Beidacki AS, do Prado CH, Sanvicente-Vieira B, Bauer ME, Grassi-Oliveira R. Cocaine Use Disorder Is Associated With Changes in Th1/Th2/Th17 Cytokines and Lymphocytes Subsets. Front Immunol 2019; 10:2435. [PMID: 31749792 PMCID: PMC6843068 DOI: 10.3389/fimmu.2019.02435] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 09/30/2019] [Indexed: 11/21/2022] Open
Abstract
Background: Cocaine is a psychostimulant drug with high addictive proprieties. Evidence suggests that cocaine use leads to critical changes in the immune system, with significant effects on T, B, and natural killer (NK) cells and influencing peripheral levels of cytokines. The presence of abstinence-related symptoms during detoxification treatment is known to influence the prognosis. Here, our aim was to investigate immune profiles in women with cocaine use disorder (CUD) according to withdrawal symptoms severity. Methods: Blood samples and clinical data were collected at onset of detoxification treatment of 50 women with CUD. The patients were stratified according to Cocaine Selective Severity Assessment (CSSA) scores in low withdrawal (L-W) and high withdrawal (H-W) categories. In addition, we also included a control group with 19 healthy women as reference to immune parameters. Peripheral blood was collected and lymphocyte subsets were phenotyped by multi-color flow cytometry (B cells, CD4+ T, CD8+ T, NK cells, and different stages of T-cell differentiation). PBMCs from patients and healthy controls were stimulated in vitro with phytohemagglutinin (1%) for 72 h to assess the production of Th1/Th2/Th17 cytokines. Results: Following stimulation, lymphocytes from women with CUD produced increased levels of Th1/Th2/Th17 cytokines. However, higher levels of IL-2 and IL-17 were observed only in the L-W group, while higher levels of IL-6 were detected in the H-W group compared to controls. H-W group showed lower percentage of early-differentiated Th cells (CD4+CD27+CD28+), elevated percentage of Th cells (CD3+CD4+), intermediate-differentiated Th cells (CD4+CD27−CD28+), and B cells (CD3−CD19+). Both CUD groups showed decreased percentages of naïve T cells (CD3+CD4+CD45RA+ and CD3+CD8+CD45RA+). Conclusion: Our data demonstrated that CUD can lead to increased production of Th1/Th2/Th17 cytokines and lymphocyte changes.
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Affiliation(s)
- Aline Zaparte
- Developmental Cognitive Neuroscience Lab, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Jaqueline B Schuch
- Graduate Program in Biomedical Gerontology, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Thiago W Viola
- Developmental Cognitive Neuroscience Lab, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Talita A S Baptista
- Developmental Cognitive Neuroscience Lab, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Amanda Stephanie Beidacki
- Developmental Cognitive Neuroscience Lab, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Carine H do Prado
- Developmental Cognitive Neuroscience Lab, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Breno Sanvicente-Vieira
- Developmental Cognitive Neuroscience Lab, School of Health Science, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Moisés E Bauer
- Graduate Program in Biomedical Gerontology, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratory of Stress Immunology, School of Sciences, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Rodrigo Grassi-Oliveira
- Developmental Cognitive Neuroscience Lab, School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
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A potential role for microglia in stress- and drug-induced plasticity in the nucleus accumbens: A mechanism for stress-induced vulnerability to substance use disorder. Neurosci Biobehav Rev 2019; 107:360-369. [PMID: 31550452 DOI: 10.1016/j.neubiorev.2019.09.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/16/2019] [Accepted: 09/05/2019] [Indexed: 12/16/2022]
Abstract
Stress is an important risk factor for the development of substance use disorder (SUD). Exposure to both stress and drugs abuse lead to changes in synaptic plasticity and stress-induced alterations in synaptic plasticity may contribute to later vulnerability to SUD. Recent developmental neuroscience studies have identified microglia as regulators of synaptic plasticity. As both stress and drugs of abuse lead to microglial activation, we propose this as a potential mechanism underlying their ability to change synaptic plasticity. This review focuses on three components of synaptic plasticity: spine density, brain-derived neurotrophic factor (BDNF) and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor expression. Their roles in addiction, stress, and development will be reviewed, as well as possible mechanisms by which microglia could regulate their function. Potential links between stress, vulnerability to addiction, and microglial activity will be explored.
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Naser Sahib Abogelal A, Abd FG. Some immunological parameters in abuse substance addicted. JOURNAL OF PHYSICS: CONFERENCE SERIES 2019; 1294:062029. [DOI: 10.1088/1742-6596/1294/6/062029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Abstract
Drugs are chemicals which cause either physical or mental changes in body functioning. These chemicals may be natural, such as cocaine, semi-synthetic, such as heroin and ecstasy, or totally synthetic, such as methadone The study was occurred between February and August of 2018 on drug users in Najaf government. 50 of whom were abusers, twenty as healthy control group at age 17-25 years. Multi drug rapid test was use to qualitative test for abuse substances. The results appeared a high percentage of alcohol abusers (18%), other types 16% synthetic Marijuana (K2), Benzodiazapines – alcohol 13%, Amphetamine (AMP )12%, AMP + Methylendi oxymeth amphotamine (MDMA) + K was11%, (AMP + BZO + Marijuna THC), 9% K2 + AMP (7% K2 + BZO + THC), 5% THC), respectively. Some immunological parameters was studied. the results found IgG concentration was significantly higher at 912.49 compare with control 882.74, as well as alcohol 11475.35, BZO + alcohol 925.33, AMP + MDMA + K (1480,83), AMP + BZO + THC (1616.6), Showed a higher concentration of control, but some abusers had a lower concentration than control, (332.53) Amp, K2, (576. 66) THC, (476. 6) K2 + BZO + THC 690.766 pg/ml. IgM concentration was high 177.27 in addicted compare with control 61.3, and high in all drugs. Results showed that Interleukin10 concentration was 104.04pg/ml found a high contrast with control 39.19 and all abusers had concentrations higher than control.
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66
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Yusufov M, Braun IM, Pirl WF. A systematic review of substance use and substance use disorders in patients with cancer. Gen Hosp Psychiatry 2019; 60:128-136. [PMID: 31104826 DOI: 10.1016/j.genhosppsych.2019.04.016] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 04/23/2019] [Accepted: 04/25/2019] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Few studies examined substance use in cancer patients. The aims of this systematic review were to summarize this evidence, identify methodological limitations, and provide future research directions. METHOD Articles on substance use in cancer (focused on illicit substance, opioid, and alcohol use) were searched in Medline, PsycINFO, and PsycARTICLES. RESULTS On the basis of inclusion criteria, 28 studies were reviewed. Twenty-one contained empiric data from 500,123 participants; seven were review or conceptual papers. All studies were published between 1995 and 2018. Quality assessment revealed relatively low risk of bias and high methodological quality. Five studies examined substance use or substance use disorder (SUD) broadly. Mean ages ranged from 17.6 to 74.7 years. Substance use rates ranged from 2% to 35%, with a median opioid rate of 18% and 25.5% for alcohol. Nine of the studies had samples comprised either mostly or exclusively of advanced cancer patients. Disease groups included breast, head & neck, and gastric cancer. None of the studies used a theoretical framework or model. CONCLUSIONS Given the prevalence of substance use in cancer patients, interventions are needed. Further theory-grounded studies are warranted to foster the translation of research into clinical practice and elucidate substance use management recommendations.
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Affiliation(s)
- Miryam Yusufov
- Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, 450 Brookline Ave, Boston, MA 02215, United States; Harvard Medical School, Department of Psychiatry, Boston, MA 02115, United States.
| | - Ilana M Braun
- Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, 450 Brookline Ave, Boston, MA 02215, United States; Harvard Medical School, Department of Psychiatry, Boston, MA 02115, United States
| | - William F Pirl
- Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, 450 Brookline Ave, Boston, MA 02215, United States; Harvard Medical School, Department of Psychiatry, Boston, MA 02115, United States
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67
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Hermes G, Hyman SM, Fogelman N, Kosten TR, Sinha R. Lofexidine in Combination With Oral Naltrexone for Opioid Use Disorder Relapse Prevention: A Pilot Randomized, Double-Blind, Placebo-Controlled Study. Am J Addict 2019; 28:480-488. [PMID: 31448846 DOI: 10.1111/ajad.12942] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 07/20/2019] [Accepted: 07/21/2019] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Lofexidine (LFX), an α2A adrenergic receptor agonist, known to alleviate opioid withdrawal symptoms, was assessed in combination with oral naltrexone (NTX) for effects on opioid use outcomes and NTX treatment compliance. METHODS Detoxified individuals (ages 18-55, 80% male) with opioid use disorder Diagnostic and Statistical Manual of Mental Disorders, 4th edition were randomized to 2.4 mg/day of LFX (n = 26) or Placebo (PBO, n = 31) in a double-blind manner for 12 weeks of treatment. NTX compliance, opioid-free urine samples, opioid craving as well as vital signs, subjective opioid withdrawal symptoms were assessed. RESULTS Intent to treat analysis revealed significantly better control over opioid craving in the LFX/NTX vs PBO/NTX group (P < .03), but no differences between groups in NTX compliance, opioid use, and overall opioid craving. However, subject withdrawal due to medication intolerance was significantly higher in the LFX/NTX (5/26) vs PBO/NTX (0/31) (P < .01). Two additional patients were withdrawn due to acute hepatitis infection. Post hoc secondary analyses with the nonwithdrawn sample indicated significantly higher rates of treatment completion (P < .05) and NTX compliance (P < .01), lower percent opioid urine samples (P < .05), and lower overall opioid craving (P < .05) in the LFX/NTX vs the PBO/NTX group. CONCLUSION AND SCIENTIFIC SIGNIFICANCE Although preliminary, these findings suggest that LFX at doses up to 2.4 mg/daily was safe and improved control over opioid cravings. Among those who tolerated the medication, LFX/NTX significantly improved the opioid craving, delayed return to opioid use, and improved treatment compliance and completion rates. These findings support further assessment of LFX dose titration schedule along with the adjunctive use of LFX with NTX treatment to enhance opioid relapse prevention. (Am J Addict 2019;00:1-9).
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Affiliation(s)
- Gretchen Hermes
- The Yale Stress Center, Yale University School of Medicine, New Haven, Connecticut
| | - Scott M Hyman
- Doctoral Program in Clinical Psychology, Albizu University, Doral, Florida
| | - Nia Fogelman
- The Yale Stress Center, Yale University School of Medicine, New Haven, Connecticut
| | | | - Rajita Sinha
- The Yale Stress Center, Yale University School of Medicine, New Haven, Connecticut
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A Mechanistic and Pathophysiological Approach for Stroke Associated with Drugs of Abuse. J Clin Med 2019; 8:jcm8091295. [PMID: 31450861 PMCID: PMC6780697 DOI: 10.3390/jcm8091295] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/19/2019] [Accepted: 08/21/2019] [Indexed: 12/16/2022] Open
Abstract
Drugs of abuse are associated with stroke, especially in young individuals. The major classes of drugs linked to stroke are cocaine, amphetamines, heroin, morphine, cannabis, and new synthetic cannabinoids, along with androgenic anabolic steroids (AASs). Both ischemic and hemorrhagic stroke have been reported due to drug abuse. Several common mechanisms have been identified, such as arrhythmias and cardioembolism, hypoxia, vascular toxicity, vascular spasm and effects on the thrombotic mechanism, as causes for ischemic stroke. For hemorrhagic stroke, acute hypertension, aneurysm formation/rupture and angiitis-like changes have been implicated. In AAS abuse, the effect of blood pressure is rather substance specific, whereas increased erythropoiesis usually leads to thromboembolism. Transient vasospasm, caused by synthetic cannabinoids, could lead to ischemic stroke. Opiates often cause infective endocarditis, resulting in ischemic stroke and hypereosinophilia accompanied by pyogenic arthritis, provoking hemorrhagic stroke. Genetic variants are linked to increased risk for stroke in cocaine abuse. The fact that case reports on cannabis-induced stroke usually refer to the young population is very alarming.
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69
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Stumper A, Moriarity DP, Coe CL, Ellman LM, Abramson LY, Alloy LB. Pubertal Status and Age are Differentially Associated with Inflammatory Biomarkers in Female and Male Adolescents. J Youth Adolesc 2019; 49:1379-1392. [PMID: 31410721 DOI: 10.1007/s10964-019-01101-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/01/2019] [Indexed: 12/21/2022]
Abstract
A better understanding of the maturational correlates of inflammatory activity during adolescence is needed to more appropriately study both normal and abnormal development. Inflammation is the immune system's first response to infection, injury, or psychological stress, and it has been shown to be elevated in individuals with both physical and psychological conditions. This study examined unique associations between (1) pubertal status and inflammatory biomarkers, and (2) age and inflammatory biomarkers, and whether these relationships differed by sex in a diverse sample of 155 adolescents (54.2% female, 45.8% male; Mage = 16.22) from a northeastern city in the US. A more advanced pubertal status was uniquely associated with lower levels of tumor necrosis factor alpha (TNF-α) and interleukin-8 (IL-8). Chronological age was uniquely associated with lower IL-8 levels. The association between pubertal status and C-reactive protein (CRP) levels differed by sex: more mature females had higher CRP, whereas pubertal status and CRP were not significantly associated in males. These findings highlight an important relation between pubertal development and inflammatory activity during adolescence.
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70
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Hofford RS, Russo SJ, Kiraly DD. Neuroimmune mechanisms of psychostimulant and opioid use disorders. Eur J Neurosci 2019; 50:2562-2573. [PMID: 30179286 PMCID: PMC6531363 DOI: 10.1111/ejn.14143] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 07/20/2018] [Accepted: 08/28/2018] [Indexed: 12/11/2022]
Abstract
Substance use disorders are global health problems with few effective treatment options. Unfortunately, most potential pharmacological treatments are hindered by abuse potential of their own, limited efficacy, or adverse side effects. As a consequence, there is a pressing need for the development of addiction treatments with limited abuse potential and fewer off target effects. Given the difficulties in developing new pharmacotherapies for substance use disorders, there has been growing interest in medications that act on non-traditional targets. Recent evidence suggests a role for dysregulated immune signaling in the pathophysiology of multiple psychiatric diseases. While there is evidence that immune responses in the periphery and the central nervous system are altered by exposure to drugs of abuse, the contributions of neuroimmune interactions to addictive behaviors are just beginning to be appreciated. In this review, we discuss the data on immunological changes seen in clinical populations with substance use disorders, as well as in translational animal models of addiction. Importantly, we highlight those mechanistic findings showing causal roles for central or peripheral immune mediators in substance use disorder and appropriate animal models. Based on the literature reviewed here, it is clear that brain-immune system interactions in substance use disorders are much more complex and important than previously understood. While much work remains to be done, there are tremendous potential therapeutic implications for immunomodulatory treatments in substance use disorders.
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Affiliation(s)
- Rebecca S Hofford
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Scott J Russo
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York
- Fishberg Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Drew D Kiraly
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York
- Fishberg Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York
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Total and Differential White Blood Cell Counts, Cocaine, and Marijuana Use in Patients With Schizophrenia. J Nerv Ment Dis 2019; 207:633-636. [PMID: 31232907 DOI: 10.1097/nmd.0000000000001019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Schizophrenia is associated with blood inflammatory marker abnormalities. Illicit drug use, which is common in schizophrenia, may modulate inflammatory marker levels. We examined effects of marijuana and cocaine use on white blood cell (WBC) counts in acutely ill, hospitalized patients with schizophrenia using a within-subjects and between-groups design. Mean total and differential WBC counts were first compared in acutely ill patients with schizophrenia for hospitalizations with and without either marijuana (n = 18) or cocaine (n = 24) use. Mean total and differential WBC counts were then compared between patients with schizophrenia with either marijuana or cocaine use and patients with a negative urine drug screen (UDS; n = 43). Patients with schizophrenia had significantly higher total WBC, lymphocytes, and monocytes during hospitalizations with (vs. without) cocaine use. Patients with cocaine use also had significantly higher monocytes and eosinophils than those with a negative UDS. Our findings suggest that substance use, particularly of cocaine, may modulate inflammatory marker levels in acutely ill, hospitalized patients with schizophrenia.
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Bachi K, Mani V, Kaufman AE, Alie N, Goldstein RZ, Fayad ZA, Alia-Klein N. Imaging plaque inflammation in asymptomatic cocaine addicted individuals with simultaneous positron emission tomography/magnetic resonance imaging. World J Radiol 2019; 11:62-73. [PMID: 31205601 PMCID: PMC6556593 DOI: 10.4329/wjr.v11.i5.62] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/05/2019] [Accepted: 05/22/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Chronic cocaine use is associated with stroke, coronary artery disease and myocardial infarction, resulting in severe impairments or sudden mortality. In the absence of clear cardiovascular symptoms, individuals with cocaine use disorder (iCUD) seeking addiction treatment receive mostly psychotherapy and psychiatric pharmacotherapy, with no attention to vascular disease (i.e., atherosclerosis). Little is known about the pre-clinical signs of cardiovascular risk in iCUD and early signs of vascular disease are undetected in this underserved population.
AIM To assess inflammation, plaque burden and plaque composition in iCUD aiming to detect markers of atherosclerosis and vascular disease.
METHODS The bilateral carotid arteries were imaged with positron emission tomography/magnetic resonance imaging (PET/MRI) in iCUD asymptomatic for cardiovascular disease, healthy controls, and individuals with cardiovascular risk. PET with 18F-fluorodeoxyglucose (18F-FDG) evaluated vascular inflammation and 3-D dark-blood MRI assessed plaque burden including wall area and thickness. Drug use and severity of addiction were assessed with standardized instruments.
RESULTS The majority of iCUD and controls had carotid FDG-PET signal greater than 1.6 but lower than 3, indicating the presence of mild to moderate inflammation. However, the MRI measure of wall structure was thicker in iCUD as compared to the controls and cardiovascular risk group, indicating greater carotid plaque burden. iCUD had larger wall area as compared to the healthy controls but not as compared to the cardiovascular risk group, indicating structural wall similarities between the non-control study groups. In iCUD, wall area correlated with greater cocaine withdrawal and craving.
CONCLUSION These preliminary results show markers of carotid artery disease burden in cardiovascular disease-asymptomatic iCUD. Broader trials are warranted to develop protocols for early detection of cardiovascular risk and preventive intervention in iCUD.
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Affiliation(s)
- Keren Bachi
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
| | - Venkatesh Mani
- Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
| | - Audrey E Kaufman
- Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
| | - Nadia Alie
- Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
- Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104, United States
| | - Rita Z Goldstein
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
| | - Zahi A Fayad
- Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
| | - Nelly Alia-Klein
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, United States
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Sharma T, Kumar M, Rizkallah A, Cappelluti E, Padmanabhan P. Cocaine-induced Thrombosis: Review of Predisposing Factors, Potential Mechanisms, and Clinical Consequences with a Striking Case Report. Cureus 2019; 11:e4700. [PMID: 31355062 PMCID: PMC6649919 DOI: 10.7759/cureus.4700] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Cocaine is associated with a wide array of complications through a number of different mechanisms. Although the majority of cocaine-related morbidity has been attributed to complications in arterial vasculature, the deleterious impact of venous complications appears to be largely unrepresented in current literature as well as clinical practice despite emerging evidence of the high prevalence and annual incidence of deep vein thrombosis (DVT) in illicit drug users. Our case report illustrates an uncharacteristic presentation of cocaine-related widespread thrombotic cascade involving both arterial and venous circulations causing significant morbidity. The complex pathophysiology of widespread prothrombotic state caused by cocaine includes endothelial damage promoting the increase of fibrinogen and Von Willebrand factor to platelet aggregation and clot formation. It is important to identify the impact cocaine-induced venous thrombosis can mount, especially in the form of potentially fatal complications like pulmonary embolism. Although recent studies have focused on increased incidence and prevalence of venous thrombosis in the setting of cocaine abuse, ours is the first case of a documented pulmonary embolism caused by cocaine-related venous thrombosis. Further studies are needed to identify patients at higher risk for this complication like rare thrombotic disorders.
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Affiliation(s)
| | - Manish Kumar
- Internal Medicine, University of Connecticut Health Center, Farmington, USA
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Mai HN, Chung YH, Shin EJ, Kim DJ, Sharma N, Lee YJ, Jeong JH, Nah SY, Jang CG, Kim HC. Glutathione peroxidase-1 overexpressing transgenic mice are protected from cocaine-induced drug dependence. Neurochem Int 2019; 124:264-273. [DOI: 10.1016/j.neuint.2019.01.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 01/13/2019] [Accepted: 01/22/2019] [Indexed: 11/29/2022]
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Regional elevations in microglial activation and cerebral glucose utilization in frontal white matter tracts of rhesus monkeys following prolonged cocaine self-administration. Brain Struct Funct 2019; 224:1417-1428. [PMID: 30747315 DOI: 10.1007/s00429-019-01846-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 02/06/2019] [Indexed: 12/18/2022]
Abstract
It has been shown that exposure to cocaine can result in neuroinflammatory responses. Microglia, the resident CNS immune cells, undergo a transition to an activated state when challenged. In rodents, and possibly humans, cocaine exposure activates microglia. The goal of this study was to assess the extent and magnitude of microglial activation in rhesus monkeys with an extensive history of cocaine self-administration. Male rhesus monkeys (N = 4/group) were trained to respond on a fixed-interval 3-min schedule of food or 0.3 mg/kg/injection cocaine presentation (30 reinforcers/session) for 300 sessions. At the end of the final session, monkeys were administered 2-[14C]deoxyglucose intravenously and 45 min later euthanized. Brain sections were used for autoradiographic assessments of glucose utilization and for microglia activation with [3H]PK11195, a marker for the microglial 18-kDa translocator protein. There were no group differences in gray matter [3H]PK11195 binding, while binding was significantly greater in cocaine self-administration animals as compared to food controls in 8 of the 11 white matter tracts measured at the striatal level. Binding did not differ from control at other levels. There were also significant increases in white matter local cerebral glucose utilization at the striatal level, which were positively correlated with [3H]PK11195 binding. The present findings demonstrate an elevation in [3H]PK11195 binding in forebrain white matter tracts of nonhuman primates with a prolonged history of cocaine self-administration. These elevations were also associated with greater cerebral metabolic rates. These data suggest that white matter deficits may contribute to behavioral, motivational, and cognitive impairments observed in cocaine abusers.
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Niu F, Liao K, Hu G, Sil S, Callen S, Guo ML, Yang L, Buch S. Cocaine-induced release of CXCL10 from pericytes regulates monocyte transmigration into the CNS. J Cell Biol 2019; 218:700-721. [PMID: 30626719 PMCID: PMC6363463 DOI: 10.1083/jcb.201712011] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 08/28/2018] [Accepted: 11/08/2018] [Indexed: 12/15/2022] Open
Abstract
Cocaine is known to facilitate the transmigration of inflammatory leukocytes into the brain, an important mechanism underlying neuroinflammation. Pericytes are well-recognized as important constituents of the blood-brain barrier (BBB), playing a key role in maintaining barrier integrity. In the present study, we demonstrate for the first time that exposure of human brain vascular pericytes to cocaine results in enhanced secretion of CXCL10, leading, in turn, to increased monocyte transmigration across the BBB both in vitro and in vivo. This process involved translocation of σ-1 receptor (σ-1R) and interaction of σ-1R with c-Src kinase, leading to activation of the Src-PDGFR-β-NF-κB pathway. These findings imply a novel role for pericytes as a source of CXCL10 in the pericyte-monocyte cross talk in cocaine-mediated neuroinflammation, underpinning their role as active components of the innate immune responses.
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Affiliation(s)
- Fang Niu
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
| | - Ke Liao
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
| | - Guoku Hu
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
| | - Susmita Sil
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
| | - Shannon Callen
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
| | - Ming-Lei Guo
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
| | - Lu Yang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Shilpa Buch
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE
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77
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Kohno M, Link J, Dennis LE, McCready H, Huckans M, Hoffman WF, Loftis JM. Neuroinflammation in addiction: A review of neuroimaging studies and potential immunotherapies. Pharmacol Biochem Behav 2019; 179:34-42. [PMID: 30695700 DOI: 10.1016/j.pbb.2019.01.007] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 01/22/2019] [Accepted: 01/25/2019] [Indexed: 12/29/2022]
Abstract
Addiction is a worldwide public health problem and this article reviews scientific advances in identifying the role of neuroinflammation in the genesis, maintenance, and treatment of substance use disorders. With an emphasis on neuroimaging techniques, this review examines human studies of addiction using positron emission tomography to identify binding of translocator protein (TSPO), which is upregulated in reactive glial cells and activated microglia during pathological states. High TSPO levels have been shown in methamphetamine use but exhibits variable patterns in cocaine use. Alcohol and nicotine use, however, are associated with lower TSPO levels. We discuss how mechanistic differences at the neurotransmitter and circuit level in the neural effects of these agents and subsequent immune response may explain these observations. Finally, we review the potential of anti-inflammatory drugs, including ibudilast, minocycline, and pioglitazone, to ameliorate the behavioral and cognitive consequences of addiction.
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Affiliation(s)
- Milky Kohno
- Research & Development Service, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, USA; Methamphetamine Abuse Research Center, Oregon Health & Science University and Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - Jeanne Link
- Center for Radiochemistry Research, Knight Cardiovascular Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, USA
| | - Laura E Dennis
- Research & Development Service, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Methamphetamine Abuse Research Center, Oregon Health & Science University and Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - Holly McCready
- Research & Development Service, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Methamphetamine Abuse Research Center, Oregon Health & Science University and Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - Marilyn Huckans
- Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, USA; Mental Health and Clinical Neurosciences Division, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Methamphetamine Abuse Research Center, Oregon Health & Science University and Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - William F Hoffman
- Research & Development Service, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, USA; Department of Behavioral Neuroscience, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, USA; Mental Health and Clinical Neurosciences Division, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Methamphetamine Abuse Research Center, Oregon Health & Science University and Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - Jennifer M Loftis
- Research & Development Service, Veterans Affairs Portland Health Care System, 3710 SW US Veterans Hospital Road, Portland, OR, USA; Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, USA; Methamphetamine Abuse Research Center, Oregon Health & Science University and Veterans Affairs Portland Health Care System, Portland, OR, USA.
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78
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Mitchell CM, El Jordi O, Yamamoto BK. Inflammatory mechanisms of abused drugs. ROLE OF INFLAMMATION IN ENVIRONMENTAL NEUROTOXICITY 2019. [DOI: 10.1016/bs.ant.2018.10.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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79
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Adisetiyo V, McGill CE, DeVries WH, Jensen JH, Hanlon CA, Helpern JA. Elevated Brain Iron in Cocaine Use Disorder as Indexed by Magnetic Field Correlation Imaging. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2018; 4:579-588. [PMID: 30581153 DOI: 10.1016/j.bpsc.2018.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/26/2018] [Accepted: 11/15/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Iron homeostasis is a critical biological process that may be disrupted in cocaine use disorder (CUD). In the brain, iron is required for neural processes involved in addiction and can be lethal to cells if unbound, especially in excess. Moreover, recent studies have implicated elevated brain iron in conditions of prolonged psychostimulant exposure. Thus, the purpose of this study was to examine iron in basal ganglia reward regions of individuals with CUD using an advanced imaging method called magnetic field correlation (MFC) imaging. METHODS MFC imaging was acquired in 19 non-treatment-seeking individuals with CUD and 19 healthy control individuals (both male and female). Region-of-interest analyses for MFC group differences and within-group correlations with age and years of cocaine use were conducted in the globus pallidus internal segment (GPi), globus pallidus external segment, putamen, caudate nucleus, thalamus, and red nucleus. RESULTS Individuals with CUD had significantly elevated MFC compared with control individuals within the GPi. In control individuals, MFC significantly increased with age in the GPi, globus pallidus external segment, putamen, and caudate nucleus. Conversely, there were no significant MFC within-group correlations in the CUD group. CONCLUSIONS Individuals with CUD have excess iron in the GPi, as indexed by MFC, and lack the age-related gradual iron deposition seen in normal aging. Because the globus pallidus is critical for the transition of goal-directed behavior to compulsive behavior, significantly elevated iron in the GPi may contribute to the persistence of CUD. These findings implicate dysregulation of brain iron homeostasis in CUD and support pursuing this new line of research.
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Affiliation(s)
- Vitria Adisetiyo
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina.
| | - Corinne E McGill
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina
| | - William H DeVries
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Jens H Jensen
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina; Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, South Carolina
| | - Colleen A Hanlon
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina; Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Joseph A Helpern
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina; Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, South Carolina; Department of Neurology, Medical University of South Carolina, Charleston, South Carolina
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80
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Lo Iacono L, Catale C, Martini A, Valzania A, Viscomi MT, Chiurchiù V, Guatteo E, Bussone S, Perrone F, Di Sabato P, Aricò E, D'Argenio A, Troisi A, Mercuri NB, Maccarrone M, Puglisi-Allegra S, Casella P, Carola V. From Traumatic Childhood to Cocaine Abuse: The Critical Function of the Immune System. Biol Psychiatry 2018; 84:905-916. [PMID: 30029767 DOI: 10.1016/j.biopsych.2018.05.022] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 05/28/2018] [Accepted: 05/29/2018] [Indexed: 01/09/2023]
Abstract
BACKGROUND Experiencing traumatic childhood is a risk factor for developing substance use disorder, but the mechanisms that underlie this relationship have not been determined. Adverse childhood experiences affect the immune system, and the immune system mediates the effects of psychostimulants. However, whether this system is involved in the etiology of substance use disorder in individuals who have experienced early life stress is unknown. METHODS In this study, we performed a series of ex vivo and in vivo experiments in mice and humans to define the function of the immune system in the early life stress-induced susceptibility to the neurobehavioral effects of cocaine. RESULTS We provide evidence that exposure to social stress at an early age permanently sensitizes the peripheral (splenocytes) and brain (microglia) immune responses to cocaine in mice. In the brain, microglial activation in the ventral tegmental area of social-stress mice was associated with functional alterations in dopaminergic neurotransmission, as measured by whole-cell voltage clamp recordings in dopamine neurons. Notably, preventing immune activation during the social-stress exposure reverted the effects of dopamine in the ventral tegmental area and the cocaine-induced behavioral phenotype to control levels. In humans, cocaine modulated toll-like receptor 4-mediated innate immunity, an effect that was enhanced in those addicted to cocaine who had experienced a difficult childhood. CONCLUSIONS Collectively, our findings demonstrate that sensitization to cocaine in early life-stressed individuals involves brain and peripheral immune responses and that this mechanism is shared between mice and humans.
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Affiliation(s)
- Luisa Lo Iacono
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Psychology, University of Rome "La Sapienza", Rome, Italy; "Daniel Bovet" Center, University of Rome "La Sapienza", Rome, Italy
| | - Clarissa Catale
- Department of Psychology, University of Rome "La Sapienza", Rome, Italy; "Daniel Bovet" Center, University of Rome "La Sapienza", Rome, Italy; Ph.D. Program in Behavioral Neuroscience, University of Rome "La Sapienza", Rome, Italy
| | - Alessandro Martini
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | | | | | - Valerio Chiurchiù
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Medicine, Campus Bio-Medico University of Rome, Rome, Italy
| | - Ezia Guatteo
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Motor Sciences and Wellness, University of Naples "Parthenope", Naples, Italy
| | - Silvia Bussone
- Department of Psychology, University of Rome "La Sapienza", Rome, Italy; "Daniel Bovet" Center, University of Rome "La Sapienza", Rome, Italy
| | - Fabiana Perrone
- Department of Biology and Biotechnologies, University of Rome "La Sapienza", Rome, Italy
| | - Paola Di Sabato
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy
| | - Eleonora Aricò
- Cell Factory FaBioCell, Core Facilities, Istituto Superiore di Sanità, Rome, Italy
| | | | - Alfonso Troisi
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Nicola B Mercuri
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Mauro Maccarrone
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Medicine, Campus Bio-Medico University of Rome, Rome, Italy
| | - Stefano Puglisi-Allegra
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy; Department of Psychology, University of Rome "La Sapienza", Rome, Italy; "Daniel Bovet" Center, University of Rome "La Sapienza", Rome, Italy
| | | | - Valeria Carola
- Institute for Research and Health Care, Santa Lucia Foundation, Rome, Italy.
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81
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Impact of neuroimmune activation induced by alcohol or drug abuse on adolescent brain development. Int J Dev Neurosci 2018; 77:89-98. [PMID: 30468786 DOI: 10.1016/j.ijdevneu.2018.11.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 10/19/2018] [Accepted: 11/19/2018] [Indexed: 12/27/2022] Open
Abstract
Evidence obtained in recent decades has demonstrated that the brain still matures in adolescence. Changes in neural connectivity occur in different regions, including cortical and subcortical structures, which undergo modifications in white and gray matter densities. These alterations concomitantly occur in some neurotransmitter systems and hormone secretion, which markedly influence the refinement of certain brain areas and neural circuits. The immaturity of the adolescent brain makes it more vulnerable to the effects of alcohol and drug abuse, whose use can trigger long-term behavioral dysfunction. This article reviews the action of alcohol and drug abuse (cannabis, cocaine, opioids, amphetamines, anabolic androgenic steroids) in the adolescent brain, and their impact on both cognition and behavioral dysfunction, including predisposition to drug abuse in later life. It also discusses recent evidence that indicates the role of the neuroimmune system response and neuroinflammation as mechanisms that participate in many actions of ethanol and drug abuse in adolescence, including the neurotoxicity and alterations in neurocircuitry that contribute to the dysfunctional behaviors associated with addiction. The new data suggest the therapeutic potential of anti-inflammatory targets to prevent the long-term consequences of drug abuse in adolescence.
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82
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Fries GR, Khan S, Stamatovich S, Dyukova E, Walss-Bass C, Lane SD, Schmitz JM, Wardle MC. Anhedonia in cocaine use disorder is associated with inflammatory gene expression. PLoS One 2018; 13:e0207231. [PMID: 30408130 PMCID: PMC6224118 DOI: 10.1371/journal.pone.0207231] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/27/2018] [Indexed: 12/22/2022] Open
Abstract
Treatments for Cocaine Use Disorder (CUD) are variably effective, and there are no FDA-approved medications. One approach to developing new treatments for CUD may be to investigate and target poor prognostic signs. One such sign is anhedonia (i.e. a loss of pleasure or interest in non-drug rewards), which predicts worse outcomes in existing CUD treatments. Inflammation is thought to underlie anhedonia in many other disorders, but the relationship between anhedonia and inflammation has not been investigated in CUD. Therefore, we assessed peripheral genome-wide gene expression in n = 48 individuals with CUD with high (n = 24) vs. low (n = 24) levels of anhedonia, defined by a median split of self-reported anhedonia. Our hypothesis was that individuals with high anhedonia would show differential gene expression in inflammatory pathways. No individual genes were significantly different between the low and high anhedonia groups when using t-tests with a stringent false discovery rate correction (FDR-corrected p < 0.05). However, an exploratory analysis identified 166 loci where t-tests suggested group differences at a nominal p < 0.05. We used DAVID, a bioinformatics tool that provides functional interpretations of complex lists of genes, to examine representation of this gene list in known pathways. It confirmed that mechanisms related to immunity were the top significant associations with anhedonia in the sample. Further, the two top differentially expressed genes in our sample, IRF1 and GBP5, both have primary inflammation and immune functions, and were significantly negatively correlated with total scores on our self-report of anhedonia across all 48 subjects. These results suggest that prioritizing development of anti-inflammatory medications for CUD may pay dividends, particularly in combination with treatment-matching strategies using either phenotypic measures of anhedonia or biomarkers of inflammatory gene expression to individualize treatment.
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Affiliation(s)
- Gabriel Rodrigo Fries
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Sarwar Khan
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Sydney Stamatovich
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Elena Dyukova
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Consuelo Walss-Bass
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Scott D. Lane
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Joy M. Schmitz
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
| | - Margaret C. Wardle
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center at Houston, Houston, TX, United States of America
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83
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Vonder Haar C, Ferland JMN, Kaur S, Riparip LK, Rosi S, Winstanley CA. Cocaine self-administration is increased after frontal traumatic brain injury and associated with neuroinflammation. Eur J Neurosci 2018; 50:2134-2145. [PMID: 30118561 DOI: 10.1111/ejn.14123] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 07/30/2018] [Accepted: 08/07/2018] [Indexed: 12/18/2022]
Abstract
Traumatic brain injury (TBI) has been linked to the development of numerous psychiatric diseases, including substance use disorder. However, it can be difficult to ascertain from clinical data whether the TBI is cause or consequence of increased addiction vulnerability. Surprisingly few studies have taken advantage of animal models to investigate the causal nature of this relationship. In terms of a plausible neurobiological mechanism through which TBI could magnify the risk of substance dependence, numerous studies indicate that TBI can cause widespread disruption to monoaminergic signaling in striatal regions, and also increases neuroinflammation. In the current study, male Long-Evans rats received either a mild or severe TBI centered over the frontal cortex via controlled cortical impact, and were subsequently trained to self-administer cocaine over 10 6-hour sessions. At the end of the study, markers of striatal dopaminergic function, and levels of inflammatory cytokine levels in the frontal lobes, were assessed via western blot and multiplex ELISA, respectively. There was significantly higher cocaine intake in a subset of animals with either mild or severe TBI. However, many animals within both TBI groups failed to acquire self-administration. Principal components analysis suggested that both dopaminergic and neuroinflammatory proteins were associated with overall cocaine intake, yet only an inflammatory component was associated with acquisition of self-administration, suggesting neuroinflammation may make a more substantial contribution to the likelihood of drug-taking. Should neuroinflammation play a causal role in mediating TBI-induced addiction risk, anti-inflammatory therapy may reduce the likelihood of substance abuse in TBI populations.
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Affiliation(s)
- Cole Vonder Haar
- Injury and Recovery Laboratory, Department of Psychology, West Virginia University, PO Box 6040, 53 Campus Drive, Morgantown, WV, 26505, USA.,Laboratory of Molecular and Behavioural Neuroscience, University of British Columbia, 2215 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Jacqueline-Marie N Ferland
- Laboratory of Molecular and Behavioural Neuroscience, University of British Columbia, 2215 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Sukhbir Kaur
- Laboratory of Molecular and Behavioural Neuroscience, University of British Columbia, 2215 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Lara-Kirstie Riparip
- Brain and Spinal Injury Center, Departments of Physical Therapy Rehabilitation Science and Neurological Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Susanna Rosi
- Brain and Spinal Injury Center, Departments of Physical Therapy Rehabilitation Science and Neurological Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Catharine A Winstanley
- Laboratory of Molecular and Behavioural Neuroscience, University of British Columbia, 2215 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
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84
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Sweis BM, Thomas MJ, Redish AD. Beyond simple tests of value: measuring addiction as a heterogeneous disease of computation-specific valuation processes. ACTA ACUST UNITED AC 2018; 25:501-512. [PMID: 30115772 PMCID: PMC6097760 DOI: 10.1101/lm.047795.118] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/06/2018] [Indexed: 12/13/2022]
Abstract
Addiction is considered to be a neurobiological disorder of learning and memory because addiction is capable of producing lasting changes in the brain. Recovering addicts chronically struggle with making poor decisions that ultimately lead to relapse, suggesting a view of addiction also as a neurobiological disorder of decision-making information processing. How the brain makes decisions depends on how decision-making processes access information stored as memories in the brain. Advancements in circuit-dissection tools and recent theories in neuroeconomics suggest that neurally dissociable valuation processes access distinct memories differently, and thus are uniquely susceptible as the brain changes during addiction. If addiction is to be considered a neurobiological disorder of memory, and thus decision-making, the heterogeneity with which information is both stored and processed must be taken into account in addiction studies. Addiction etiology can vary widely from person to person. We propose that addiction is not a single disease, nor simply a disorder of learning and memory, but rather a collection of symptoms of heterogeneous neurobiological diseases of distinct circuit-computation-specific decision-making processes.
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Affiliation(s)
- Brian M Sweis
- Graduate Program in Neuroscience and Medical Scientist Training Program, University of Minnesota, Minneapolis, Minnesota 55455, USA.,Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - Mark J Thomas
- Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota 55455, USA.,Department of Psychology, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - A David Redish
- Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota 55455, USA
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85
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Natarajan R, Mitchell CM, Harless N, Yamamoto BK. Cerebrovascular Injury After Serial Exposure to Chronic Stress and Abstinence from Methamphetamine Self-Administration. Sci Rep 2018; 8:10558. [PMID: 30002494 PMCID: PMC6043597 DOI: 10.1038/s41598-018-28970-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 07/04/2018] [Indexed: 01/19/2023] Open
Abstract
Cerebrovascular damage caused by either exposure to stress or the widely abused drug, methamphetamine (Meth) is known but stress and drug abuse frequently occur in tandem that may impact their individual cerebrovascular effects. This study examined their co-morbid cerebrovascular effects during abstinence from self-administered Meth after the exposure to chronic unpredictable stress (CUS). Exposure to CUS prior to unrestricted Meth self-administration had no effect on Meth intake in rats; however, the pro-inflammatory mediator cyclooxygenase-2 (COX-2) and the breakdown of cell-matrix adhesion protein β-dystroglycan in isolated cerebral cortical capillaries were increased after 3 days of abstinence and persisted for 7 days. These changes preceded decreases in occludin, a key structural protein component of the blood-brain barrier. The decrease in occludin was blocked by the COX-2 specific inhibitor nimesulide treatment during abstinence from Meth. The changes in COX-2, β-dystroglycan, and occludin were only evident following the serial exposure to stress and Meth but not after either one alone. These results suggest that stress and voluntary Meth intake can synergize and disrupt cerebrovasculature in a time-dependent manner during abstinence from chronic stress and Meth. Furthermore, COX-2 inhibition may be a viable pharmacological intervention to block vascular changes after Meth exposure.
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Affiliation(s)
- Reka Natarajan
- Department of Pharmacology and Toxicology, Indiana University School of Medicine 635 Barnhill Drive MS A401, Indianapolis, IN, 46202, USA
| | - Carmen M Mitchell
- Department of Pharmacology and Toxicology, Indiana University School of Medicine 635 Barnhill Drive MS A401, Indianapolis, IN, 46202, USA
| | - Nicole Harless
- Department of Neurosciences, University of Toledo College of Medicine 3000 Arlington Avenue MS 1007, Toledo, OH, 43614, Spain
| | - Bryan K Yamamoto
- Department of Pharmacology and Toxicology, Indiana University School of Medicine 635 Barnhill Drive MS A401, Indianapolis, IN, 46202, USA.
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86
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Miller BJ, Buckley PF, McEvoy JP. Inflammation, substance use, psychopathology, and cognition in phase 1 of the clinical antipsychotic trials of intervention effectiveness study. Schizophr Res 2018; 195:275-282. [PMID: 28843438 DOI: 10.1016/j.schres.2017.08.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 08/11/2017] [Accepted: 08/16/2017] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Schizophrenia has been associated with aberrant blood levels of inflammatory markers. However, patients with comorbid illicit drug use have been inadequately studied with respect to immune function. Furthermore, associations between inflammatory markers, psychopathology, and cognition have been inconsistently considered. We investigated relationships between inflammatory markers, comorbid marijuana and cocaine use, and psychopathology and cognition in patients with schizophrenia. METHOD For subjects with available fasting data from the baseline visit of the Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) schizophrenia trial, inflammatory markers were investigated as predictors of psychopathology and cognition in patients with and without comorbid marijuana or cocaine use, using linear regression models controlling for potential confounding factors. RESULTS Compared to subjects with a negative urine drug screen (UDS), marijuana use was a predictor of higher lymphocytes and E-selectin, and lower leptin (p≤0.04 for each); cocaine use was a predictor of higher adiponectin (p=0.04). In subjects with marijuana use, lower WBC and higher IL-6 were predictors of higher PANSS total score (p<0.05 for each). In subjects with cocaine use, lower total and differential WBC were predictors of higher PANSS total score (p<0.04 for each). In younger, non-obese subjects with a negative UDS, higher monocytes and IL-6 were predictors of PANSS total score (p<0.04 for each). CONCLUSIONS Our findings provide additional evidence that inflammation may be associated with psychopathology and cognition in some patients with schizophrenia. Furthermore, there is preliminary evidence for differential effects of comorbid marijuana and cocaine use on these relationships.
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Affiliation(s)
- Brian J Miller
- Department of Psychiatry and Health Behavior, Augusta University, Augusta, GA, United States.
| | - Peter F Buckley
- School of Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Joseph P McEvoy
- Department of Psychiatry and Health Behavior, Augusta University, Augusta, GA, United States
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87
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Cocaine evokes a profile of oxidative stress and impacts innate antiviral response pathways in astrocytes. Neuropharmacology 2018; 135:431-443. [PMID: 29578037 DOI: 10.1016/j.neuropharm.2018.03.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 02/28/2018] [Accepted: 03/17/2018] [Indexed: 12/16/2022]
Abstract
HIV-1 and Zika virus (ZIKV) represent RNA viruses with neurotropic characteristics. Infected individuals suffer neurocognitive disorders aggravated by environmental toxins, including drugs of abuse such as cocaine, exacerbating HIV-associated neurocognitive disorders through a combination of astrogliosis, oxidative stress and innate immune signaling; however, little is known about how cocaine impacts the progression of ZIKV neural perturbations. Impaired innate immune signaling is characterized by weakened antiviral activation of interferon signaling and alterations in inflammatory signaling, factors contributing to cognitive sequela associated with cocaine in HIV-1/ZIKV infection. We employed cellular/molecular biology techniques to test if cocaine suppresses the efficacy of astrocytes to initiate a Type 1 interferon response to HIV-1/ZIKV, in vitro. We found cocaine activated antiviral signaling pathways and type I interferon in the absence of inflammation. Cocaine pre-exposure suppressed antiviral responses to HIV-1/ZIKV, triggering antiviral signaling and phosphorylation of interferon regulatory transcription factor 3 to stimulate type I interferon gene transcription. Our data indicate that oxidative stress is a major driver of cocaine-mediated astrocyte antiviral immune responses. Although astrocyte antiviral signaling is activated following detection of foreign pathogenic material, oxidative stress and increased cytosolic double-stranded DNA (dsDNA) can drive antiviral signaling via stimulation of pattern recognition receptors. Pretreatment with the glial modulators propentofylline (PPF) or pioglitazone (PIO) reversed cocaine-mediated attenuation of astrocyte responses to HIV-1/ZIKV. Both PPF/PIO protected against cocaine-mediated generation of reactive oxygen species (ROS), increased dsDNA, antiviral signaling pathways and increased type I interferon, indicating that cocaine induces astrocyte type I interferon signaling in the absence of virus and oxidative stress is a major driver of cocaine-mediated astrocyte antiviral immunity. Lastly, PPF and PIO have therapeutic potential to ameliorate cocaine-mediated dysregulation of astrocyte antiviral immunity possibly via a myriad of protective actions including decreases in reactive phenotype and damaging immune factors.
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Milivojevic V, Sinha R. Central and Peripheral Biomarkers of Stress Response for Addiction Risk and Relapse Vulnerability. Trends Mol Med 2018; 24:173-186. [PMID: 29396148 DOI: 10.1016/j.molmed.2017.12.010] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 12/14/2017] [Accepted: 12/15/2017] [Indexed: 01/20/2023]
Abstract
Substance use disorders (SUDs) are marked by heterogeneity in clinical symptomatology and high relapse rates following treatment. Here, we describe specific peripheral and central stress responses associated with the pathophysiology of SUDs. We outline potential stress response measures, including hypothalamus-pituitary-adrenal axis markers, autonomic responses, and central structural and functional brain alterations that could be exploited as putative biomarkers in SUDs. We posit that stress responses can be predictive of both the development of SUDs and their high relapsing nature. We examine their potential as candidate biomarkers, as well as the remaining challenges in developing and implementing their application for the prevention and treatment of SUDs.
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Affiliation(s)
- Verica Milivojevic
- The Yale Stress Center, Yale University School of Medicine, Department of Psychiatry, 2 Church Street South, Suite 209, New Haven, CT 06519, USA
| | - Rajita Sinha
- The Yale Stress Center, Yale University School of Medicine, Department of Psychiatry, 2 Church Street South, Suite 209, New Haven, CT 06519, USA.
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Calipari ES, Godino A, Peck EG, Salery M, Mervosh NL, Landry JA, Russo SJ, Hurd YL, Nestler EJ, Kiraly DD. Granulocyte-colony stimulating factor controls neural and behavioral plasticity in response to cocaine. Nat Commun 2018; 9:9. [PMID: 29339724 PMCID: PMC5770429 DOI: 10.1038/s41467-017-01881-x] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 10/20/2017] [Indexed: 01/27/2023] Open
Abstract
Cocaine addiction is characterized by dysfunction in reward-related brain circuits, leading to maladaptive motivation to seek and take the drug. There are currently no clinically available pharmacotherapies to treat cocaine addiction. Through a broad screen of innate immune mediators, we identify granulocyte-colony stimulating factor (G-CSF) as a potent mediator of cocaine-induced adaptations. Here we report that G-CSF potentiates cocaine-induced increases in neural activity in the nucleus accumbens (NAc) and prefrontal cortex. In addition, G-CSF injections potentiate cocaine place preference and enhance motivation to self-administer cocaine, while not affecting responses to natural rewards. Infusion of G-CSF neutralizing antibody into NAc blocks the ability of G-CSF to modulate cocaine's behavioral effects, providing a direct link between central G-CSF action in NAc and cocaine reward. These results demonstrate that manipulating G-CSF is sufficient to alter the motivation for cocaine, but not natural rewards, providing a pharmacotherapeutic avenue to manipulate addictive behaviors without abuse potential.
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Affiliation(s)
- Erin S Calipari
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pharmacology, Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN, 37232, USA
| | - Arthur Godino
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Biology, École Normale Supérieure de Lyon, Lyon, France
| | - Emily G Peck
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Marine Salery
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nicholas L Mervosh
- Department of Psychiatry, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Joseph A Landry
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Scott J Russo
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yasmin L Hurd
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Eric J Nestler
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Drew D Kiraly
- Fishberg Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Psychiatry, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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Maza-Quiroga R, García-Marchena N, Romero-Sanchiz P, Barrios V, Pedraz M, Serrano A, Nogueira-Arjona R, Ruiz JJ, Soria M, Campos R, Chowen JA, Argente J, Torrens M, López-Gallardo M, Marco EM, Rodríguez de Fonseca F, Pavón FJ, Araos P. Evaluation of plasma cytokines in patients with cocaine use disorders in abstinence identifies transforming growth factor alpha (TGFα) as a potential biomarker of consumption and dual diagnosis. PeerJ 2017; 5:e3926. [PMID: 29038767 PMCID: PMC5641428 DOI: 10.7717/peerj.3926] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 09/24/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Cocaine use disorder (CUD) is a complex health condition, especially when it is accompanied by comorbid psychiatric disorders (dual diagnosis). Dual diagnosis is associated with difficulties in the stratification and treatment of patients. One of the major challenges in clinical practice of addiction psychiatry is the lack of objective biological markers that indicate the degree of consumption, severity of addiction, level of toxicity and response to treatment in patients with CUD. These potential biomarkers would be fundamental players in the diagnosis, stratification, prognosis and therapeutic orientation in addiction. Due to growing evidence of the involvement of the immune system in addiction and psychiatric disorders, we tested the hypothesis that patients with CUD in abstinence might have altered circulating levels of signaling proteins related to systemic inflammation. METHODS The study was designed as a cross-sectional study of CUD treatment-seeking patients. These patients were recruited from outpatient programs in the province of Malaga (Spain). The study was performed with a total of 160 white Caucasian subjects, who were divided into the following groups: patients diagnosed with CUD in abstinence (N = 79, cocaine group) and matched control subjects (N = 81, control group). Participants were clinically evaluated with the diagnostic interview PRISM according to the DSM-IV-TR, and blood samples were collected for the determination of chemokine C-C motif ligand 11 (CCL11, eotaxin-1), interferon gamma (IFNγ), interleukin-4 (IL-4), interleukin-8 (IL-8), interleukin-17α (IL-17α), macrophage inflammatory protein 1α (MIP-1α) and transforming growth factor α (TGFα) levels in the plasma. Clinical and biochemical data were analyzed in order to find relationships between variables. RESULTS While 57% of patients with CUD were diagnosed with dual diagnosis, approximately 73% of patients had other substance use disorders. Cocaine patients displayed greater cocaine symptom severity when they were diagnosed with psychiatric comorbidity. Regarding inflammatory factors, we observed significantly lower plasma levels of IL-17α (p < 0.001), MIP-1α (p < 0.001) and TGFα (p < 0.05) in the cocaine group compared with the levels in the control group. Finally, there was a significant primary effect of dual diagnosis on the plasma concentrations of TGFα (p < 0.05) in the cocaine group, and these levels were lower in patients with dual diagnoses. DISCUSSION IL-17α, MIP-1α and TGFα levels are different between the cocaine and control groups, and TGFα levels facilitate the identification of patients with dual diagnosis. Because TGFα reduction is associated with enhanced responses to cocaine in preclinical models, we propose TGFα as a potential biomarker of complex CUD in humans.
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Affiliation(s)
- Rosa Maza-Quiroga
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Nuria García-Marchena
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Pablo Romero-Sanchiz
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Vicente Barrios
- Department of Endocrinology, Hospital Universitario Niño Jesús, Madrid, Spain
| | - María Pedraz
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Antonia Serrano
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Raquel Nogueira-Arjona
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Juan Jesus Ruiz
- Diputación de Málaga, Centro Provincial de Drogodependencias, Málaga, Spain
| | - Maribel Soria
- Diputación de Málaga, Centro Provincial de Drogodependencias, Málaga, Spain
| | - Rafael Campos
- Diputación de Málaga, Centro Provincial de Drogodependencias, Málaga, Spain
| | - Julie Ann Chowen
- Department of Endocrinology, Hospital Universitario Niño Jesús, Madrid, Spain
| | - Jesus Argente
- Department of Endocrinology, Hospital Universitario Niño Jesús, Madrid, Spain
| | - Marta Torrens
- Institut de Neuropsiquiatria i Addiccions (INAD) del Parc de Salut Mar, Barcelona, Spain
| | | | - Eva María Marco
- Department of Physiology II Faculty of Biology, Universidad Complutense de Madrid, Madrid, Spain
| | - Fernando Rodríguez de Fonseca
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Francisco Javier Pavón
- Hospital Regional Universitario de Málaga, Unidad de Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Pedro Araos
- Department of Physiology II Faculty of Biology, Universidad Complutense de Madrid, Madrid, Spain
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Castilla-Ortega E, Ladrón de Guevara-Miranda D, Serrano A, Pavón FJ, Suárez J, Rodríguez de Fonseca F, Santín LJ. The impact of cocaine on adult hippocampal neurogenesis: Potential neurobiological mechanisms and contributions to maladaptive cognition in cocaine addiction disorder. Biochem Pharmacol 2017; 141:100-117. [DOI: 10.1016/j.bcp.2017.05.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 05/03/2017] [Indexed: 12/14/2022]
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Bachi K, Mani V, Jeyachandran D, Fayad ZA, Goldstein RZ, Alia-Klein N. Vascular disease in cocaine addiction. Atherosclerosis 2017; 262:154-162. [PMID: 28363516 PMCID: PMC5757372 DOI: 10.1016/j.atherosclerosis.2017.03.019] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 03/06/2017] [Accepted: 03/12/2017] [Indexed: 12/11/2022]
Abstract
Cocaine, a powerful vasoconstrictor, induces immune responses including cytokine elevations. Chronic cocaine use is associated with functional brain impairments potentially mediated by vascular pathology. Although the Crack-Cocaine epidemic has declined, its vascular consequences are increasingly becoming evident among individuals with cocaine use disorder of that period, now aging. Paradoxically, during the period when prevention efforts could make a difference, this population receives psychosocial treatment at best. We review major postmortem and in vitro studies documenting cocaine-induced vascular toxicity. PubMed and Academic Search Complete were used with relevant terms. Findings consist of the major mechanisms of cocaine-induced vasoconstriction, endothelial dysfunction, and accelerated atherosclerosis, emphasizing acute, chronic, and secondary effects of cocaine. The etiology underlying cocaine's acute and chronic vascular effects is multifactorial, spanning hypertension, impaired homeostasis and platelet function, thrombosis, thromboembolism, and alterations in blood flow. Early detection of vascular disease in cocaine addiction by multimodality imaging is discussed. Treatment may be similar to indications in patients with traditional risk-factors, with few exceptions such as enhanced supportive care and use of benzodiazepines and phentolamine for sedation, and avoiding β-blockers. Given the vascular toxicity cocaine induces, further compounded by smoking and alcohol comorbidity, and interacting with aging of the crack generation, there is a public health imperative to identify pre-symptomatic markers of vascular impairments in cocaine addiction and employ preventive treatment to reduce silent disease progression.
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Affiliation(s)
- Keren Bachi
- Brain Imaging Center (BIC), Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Venkatesh Mani
- Translational Molecular Imaging Institute (TMII), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Devi Jeyachandran
- Pathology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Zahi A Fayad
- Translational Molecular Imaging Institute (TMII), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Rita Z Goldstein
- Brain Imaging Center (BIC), Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA
| | - Nelly Alia-Klein
- Brain Imaging Center (BIC), Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York, NY 10029, USA.
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Fox HC, Milivojevic V, Angarita GA, Stowe R, Sinha R. Peripheral immune system suppression in early abstinent alcohol-dependent individuals: Links to stress and cue-related craving. J Psychopharmacol 2017; 31:883-892. [PMID: 28675117 PMCID: PMC5660633 DOI: 10.1177/0269881117691455] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Peripheral immune system cytokines may play an integral role in the underlying sensitized stress response and alcohol craving during early alcohol withdrawal. To date, the nature of these immune changes during early abstinence have not been examined. METHODS A total of 39 early abstinent, treatment-seeking, alcohol-dependent individuals and 46 socially drinking controls were exposed to three guided imageries: stress, alcohol cue and neutral. These were presented randomly across consecutive days. Plasma measures of tumor necrosis factor alpha (TNFα), tumor necrosis factor receptor 1 (TNFR1), interleukin-6 (IL-6), and interleukin-10 (IL-10), were collected at baseline, immediately after imagery and at various recovery time-points. Ratings of alcohol craving, negative mood and anxiety were also obtained at the same time-points. RESULTS The alcohol group demonstrated decreased basal IL-10 compared with controls particularly following exposure to alcohol cue. They also showed a dampened TNFα and TNFR1 response to stress and cue, respectively, and a generalized suppression of IL-6. In the alcohol group, these immune system adaptations occurred alongside significant elevations in anxiety, negative mood and alcohol craving. CONCLUSIONS Findings demonstrate that broad immunosuppression is still observed in alcohol-dependent individuals after 3 weeks of abstinence and may be linked to motivation for alcohol.
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Affiliation(s)
- Helen C Fox
- 1 School of Medicine, Department of Psychiatry, Stony Brook University, Stony Brook, NY, USA
| | - Verica Milivojevic
- 2 Department of Psychiatry, The Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA
- 3 Department of Psychiatry, 2 Church Street South, The Yale Stress Center, Yale University School of Medicine, New Haven, CT, USA
| | - Gustavo A Angarita
- 2 Department of Psychiatry, The Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA
| | | | - Rajita Sinha
- 2 Department of Psychiatry, The Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA
- 3 Department of Psychiatry, 2 Church Street South, The Yale Stress Center, Yale University School of Medicine, New Haven, CT, USA
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Cury PR, Oliveira MGA, Dos Santos JN. Periodontal status in crack and cocaine addicted men: a cross-sectional study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:3423-3429. [PMID: 27866365 DOI: 10.1007/s11356-016-7918-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 10/16/2016] [Indexed: 06/06/2023]
Abstract
This cross-sectional study evaluated the association between crack/cocaine addiction and periodontal disease in men. Periodontal examination (probing depth, clinical attachment level, bleeding on probing, and plaque index) and interviews were performed in 160 patients (≥18 years) from the Federal University of Bahia. Crack and cocaine dependence was defined according to the medical records and interviews of each patient; all drug addicted volunteers used both crack and cocaine. T test, Chi-square test, and logistic regression were used to assess the associations between destructive periodontal disease and crack/cocaine dependence (p ≤ 0.05). Probing depth was significantly greater in crack/cocaine addicted individuals (2.84 ± 0.76 mm) compared with non-addicted individuals (2.55 ± 0.73 mm, p = 0.04). After adjusting for covariates, periodontitis was not significantly associated with crack/cocaine addiction (OR = 2.31, 95 % CI = 0.82-6.46, p = 0.11), which was only associated with age ≥35 years (OR = 4.16, 95 % CI = 1.65-10.50, p = 0.003) and higher dental plaque index (OR = 6.46, 95 % CI = 1.95-21.42, p = 0.002). In conclusion, although probing depth was greater in crack/cocaine addicted individuals, destructive periodontal disease was not associated with crack and cocaine addiction in the present population. Destructive periodontal disease was associated with age and dental plaque. Further studies in a larger sample size are required to confirm the results.
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Affiliation(s)
- Patricia Ramos Cury
- Department of Periodontics, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62. Canela, Salvador, Bahia, 40110-150, Brazil.
| | - Maria Graças Alonso Oliveira
- Department of Oral Pathology, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62. Canela, Salvador, Bahia, 40110-150, Brazil
| | - Jean Nunes Dos Santos
- Department of Oral Pathology, School of Dentistry, Federal University of Bahia, Av. Araújo Pinho, 62. Canela, Salvador, Bahia, 40110-150, Brazil
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Bachi K, Sierra S, Volkow ND, Goldstein RZ, Alia-Klein N. Is biological aging accelerated in drug addiction? Curr Opin Behav Sci 2017; 13:34-39. [PMID: 27774503 PMCID: PMC5068223 DOI: 10.1016/j.cobeha.2016.09.007] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Drug-addiction may trigger early onset of age-related disease, due to drug-induced multi-system toxicity and perilous lifestyle, which remains mostly undetected and untreated. We present the literature on pathophysiological processes that may hasten aging and its relevance to addiction, including: oxidative stress and cellular aging, inflammation in periphery and brain, decline in brain volume and function, and early onset of cardiac, cerebrovascular, kidney, and liver disease. Timely detection of accelerated aging in addiction is crucial for the prevention of premature morbidity and mortality.
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Affiliation(s)
- Keren Bachi
- Department of Psychiatry & Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Salvador Sierra
- Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY
| | | | - Rita Z Goldstein
- Department of Psychiatry & Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Nelly Alia-Klein
- Department of Psychiatry & Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY
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Milivojevic V, Ansell E, Simpson C, Siedlarz KM, Sinha R, Fox HC. Peripheral Immune System Adaptations and Motivation for Alcohol in Non-Dependent Problem Drinkers. Alcohol Clin Exp Res 2017; 41:585-595. [PMID: 28147432 DOI: 10.1111/acer.13317] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 12/16/2016] [Indexed: 01/17/2023]
Abstract
BACKGROUND Increasing evidence suggests that levels of pro-inflammatory and anti-inflammatory cytokines are dysfunctional in alcohol dependence. Moreover, some initial findings demonstrate that these adaptations in peripheral inflammation may contribute to motivation for alcohol and problem drinking via possible direct effects or the indirect effects of stress responsivity. Importantly, the role of pro-inflammatory and anti-inflammatory cytokines in the progression from healthy to problem drinking is not well understood. The aim of this study was to assess whether alcohol-related peripheral immune system changes affect stress and alcohol cue-induced craving and anxiety and behavioral alcohol motivation and intake in the laboratory among problem drinkers compared with socially drinking controls. METHODS Twenty-six problem drinkers and 38 moderate, social drinkers participated in a laboratory challenge procedure during which they were exposed to 3 personalized 5-minute imagery conditions (stress [S], relaxing [R], and alcohol cue [C]), followed by the "alcohol taste test" (ATT) as a measure of implicit alcohol motivation and intake, presented across 3 consecutive days, 1 per day in a randomized and counterbalanced order. Measures of tumor necrosis factor-alpha (TNFα), interleukin-6 (IL-6), interleukin-1 receptor antagonist (IL-1ra), alcohol craving, and anxiety were assessed at baseline, immediately following imagery exposure and at discreet beer cue presentation in the ATT. RESULTS Compared with moderate drinkers, problem drinkers demonstrated tonic attenuation of IL-6 and IL-1ra. In problem drinkers, these changes also accompanied elevated levels of stress- and cue-induced alcohol craving and anxiety and were predictive of provoked alcohol craving, behavioral alcohol motivation and intake, and severity of problem drinking. CONCLUSIONS Current findings indicate that selective immunosuppression in problem drinkers may play a key role in motivation for alcohol intake.
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Affiliation(s)
- Verica Milivojevic
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Emily Ansell
- Department of Psychology, Syracuse University, Syracuse, New York
| | - Christine Simpson
- Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Kristen M Siedlarz
- Department of Psychiatry, University of Connecticut, Farmington, Connecticut
| | - Rajita Sinha
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Helen C Fox
- Department of Psychiatry, Stony Brook University, Stony Brook, New York
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Mardini V, Rohde LA, Ceresér KMM, Gubert CDM, da Silva EG, Xavier F, Parcianello R, Röhsig LM, Pechansky F, Pianca TG, Szobot CM. IL-6 and IL-10 levels in the umbilical cord blood of newborns with a history of crack/cocaine exposure in utero: a comparative study. TRENDS IN PSYCHIATRY AND PSYCHOTHERAPY 2017; 38:40-9. [PMID: 27074340 DOI: 10.1590/2237-6089-2015-0081] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 12/18/2015] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Prenatal cocaine exposure (PCE) is associated with neurobehavioral problems during childhood and adolescence. Early activation of the inflammatory response may contribute to such changes. Our aim was to compare inflammatory markers (IL-6 and IL-10) both in umbilical cord blood and in maternal peripheral blood at delivery between newborns with history of crack/cocaine exposure in utero and non-exposed newborns. METHODS In this cross-sectional study, 57 newborns with a history of crack/cocaine exposure in utero (EN) and 99 non-exposed newborns (NEN) were compared for IL-6 and IL-10 levels. Sociodemographic and perinatal data, maternal psychopathology, consumption of nicotine and other substances were systematically collected in cases and controls. RESULTS After adjusting for potential confounders, mean IL-6 was significantly higher in EN than in NEN (10,208.54, 95% confidence interval [95%CI] 1,328.54-19,088.55 vs. 2,323.03, 95%CI 1,484.64-3,161.21; p = 0.007; generalized linear model [GLM]). Mean IL-10 was also significantly higher in EN than in NEN (432.22, 95%CI 51.44-812.88 vs. 75.52, 95%CI 5.64-145.39, p = 0.014; GLM). Adjusted postpartum measures of IL-6 were significantly higher in mothers with a history of crack/cocaine use (25,160.05, 95%CI 10,958.15-39,361.99 vs. 8,902.14, 95%CI 5,774.97-12,029.32; p = 0.007; GLM), with no significant differences for IL-10. There was no correlation between maternal and neonatal cytokine levels (Spearman test, p ≥ 0.28 for all measures). CONCLUSIONS IL-6 and IL-10 might be early biomarkers of PCE in newborns. These findings could help to elucidate neurobiological pathways underlying neurodevelopmental changes and broaden the range of possibilities for early intervention.
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Affiliation(s)
- Victor Mardini
- Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | | | | | | | - Emily Galvão da Silva
- Instituto Nacional de Ciência e Tecnologia - Medicina Translacional, Porto Alegre, RS, Brazil
| | | | | | | | - Flávio Pechansky
- Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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Andrade A, Melo A, Soares M, Brito D, Braz A, Freire E. EVOLUÇÃO CLÍNICA EM PACIENTES PORTADORES DE DOENÇAS AUTOIMUNES E USUÁRIOS DE CRACK: RELATO DE QUATRO CASOS E REVISÃO DA LITERATURA. REVISTA BRASILEIRA DE REUMATOLOGIA 2017. [DOI: 10.1016/j.rbr.2017.07.157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Cannella N, Cosa-Linan A, Roscher M, Takahashi TT, Vogler N, Wängler B, Spanagel R. [18F]-Fluorodeoxyglucose-Positron Emission Tomography in Rats with Prolonged Cocaine Self-Administration Suggests Potential Brain Biomarkers for Addictive Behavior. Front Psychiatry 2017; 8:218. [PMID: 29163237 PMCID: PMC5671955 DOI: 10.3389/fpsyt.2017.00218] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 10/17/2017] [Indexed: 12/14/2022] Open
Abstract
The DSM5-based dimensional diagnostic approach defines substance use disorders on a continuum from recreational drug use to habitual and ultimately addicted behavior. Biomarkers that are indicative of recreational drug use and addicted behavior are lacking. We performed a translational [18F]-fluorodeoxyglucose-positron emission tomography (FDG-PET) study in the multi-dimensional 0/3crit model of cocaine addiction. Addict-like (3crit) and non-addict-like (0crit) rats, which shared identical life conditions and levels of cocaine self-administration, were acquired for FDG-PET under baseline conditions and following cocaine and yohimbine challenges. Compared to cocaine-naïve control rats, 0crit animals showed higher glucose uptake in the caudate putamen (CPu) and medial prefrontal cortex (mPFC) respect to naïve controls. 3crit animals did not show this adaptive higher glucose utilization, but had lower uptake in several cortical areas. Both cocaine and yohimbine challenges affected glucose uptake in control rats in several brain sites, but not in 0crit and 3crit rats, indicating that impaired glucose mobilization in response to these challenges is not specifically associated with addictive behavior. Compared to 0crit, 3crit rats showed higher reinstatement responses, which were negatively associated with glucose uptake in the ventral tegmental area. Data indicate that cocaine non-addict- and addict-like phenotypes are associated with several potential biomarkers. Specifically, we propose that increased glucose uptake in the CPu and mPFC is a function of controlled drug use, whereas a loss of striatal and prefrontal metabolic activity and reduced uptake in cortical areas are indicative of addictive behavior.
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Affiliation(s)
- Nazzareno Cannella
- Medical Faculty Mannheim, Institute of Psychopharmacology, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Alejandro Cosa-Linan
- Medical Faculty Mannheim, Institute of Psychopharmacology, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Mareike Roscher
- Medical Faculty Mannheim, Department of Clinical Radiology and Nuclear Medicine, Heidelberg University, Mannheim, Germany
| | - Tatiane T Takahashi
- Medical Faculty Mannheim, Institute of Psychopharmacology, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Nils Vogler
- Medical Faculty Mannheim, Department of Clinical Radiology and Nuclear Medicine, Heidelberg University, Mannheim, Germany
| | - Björn Wängler
- Medical Faculty Mannheim, Department of Clinical Radiology and Nuclear Medicine, Heidelberg University, Mannheim, Germany
| | - Rainer Spanagel
- Medical Faculty Mannheim, Institute of Psychopharmacology, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
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