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Braverman ER, Dennen CA, Gold MS, Bowirrat A, Gupta A, Baron D, Roy AK, Smith DE, Cadet JL, Blum K. Proposing a "Brain Health Checkup (BHC)" as a Global Potential "Standard of Care" to Overcome Reward Dysregulation in Primary Care Medicine: Coupling Genetic Risk Testing and Induction of "Dopamine Homeostasis". INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:5480. [PMID: 35564876 PMCID: PMC9099927 DOI: 10.3390/ijerph19095480] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 12/27/2022]
Abstract
In 2021, over 100,000 people died prematurely from opioid overdoses. Neuropsychiatric and cognitive impairments are underreported comorbidities of reward dysregulation due to genetic antecedents and epigenetic insults. Recent genome-wide association studies involving millions of subjects revealed frequent comorbidity with substance use disorder (SUD) in a sizeable meta-analysis of depression. It found significant associations with the expression of NEGR1 in the hypothalamus and DRD2 in the nucleus accumbens, among others. However, despite the rise in SUD and neuropsychiatric illness, there are currently no standard objective brain assessments being performed on a routine basis. The rationale for encouraging a standard objective Brain Health Check (BHC) is to have extensive data available to treat clinical syndromes in psychiatric patients. The BHC would consist of a group of reliable, accurate, cost-effective, objective assessments involving the following domains: Memory, Attention, Neuropsychiatry, and Neurological Imaging. Utilizing primarily PUBMED, over 36 years of virtually all the computerized and written-based assessments of Memory, Attention, Psychiatric, and Neurological imaging were reviewed, and the following assessments are recommended for use in the BHC: Central Nervous System Vital Signs (Memory), Test of Variables of Attention (Attention), Millon Clinical Multiaxial Inventory III (Neuropsychiatric), and Quantitative Electroencephalogram/P300/Evoked Potential (Neurological Imaging). Finally, we suggest continuing research into incorporating a new standard BHC coupled with qEEG/P300/Evoked Potentials and genetically guided precision induction of "dopamine homeostasis" to diagnose and treat reward dysregulation to prevent the consequences of dopamine dysregulation from being epigenetically passed on to generations of our children.
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Affiliation(s)
- Eric R. Braverman
- The Kenneth Blum Institute on Behavior & Neurogenetics, Austin, TX 78701, USA; (E.R.B.); (C.A.D.)
| | - Catherine A. Dennen
- The Kenneth Blum Institute on Behavior & Neurogenetics, Austin, TX 78701, USA; (E.R.B.); (C.A.D.)
| | - Mark S. Gold
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, USA;
- Department of Psychiatry, Tulane School of Medicine, New Orleans, LA 70112, USA;
| | - Abdalla Bowirrat
- Department of Molecular Biology, Adelson School of Medicine, Ariel University, Ariel 40700, Israel;
| | - Ashim Gupta
- Future Biologics, Lawrenceville, GA 30043, USA;
| | - David Baron
- Division of Addiction Research & Education, Center for Psychiatry, Medicine & Primary Care (Office of Provost), Western University Health Sciences, Pomona, CA 91766, USA;
| | - A. Kenison Roy
- Department of Psychiatry, Tulane School of Medicine, New Orleans, LA 70112, USA;
| | - David E. Smith
- Department of Cellular and Molecular Pharmacology, University of California San Francisco, San Francisco, CA 94158, USA;
| | - Jean Lud Cadet
- The Molecular Neuropsychiatry Research Branch, NIH National Institute on Drug Abuse, Baltimore, MD 21224, USA;
| | - Kenneth Blum
- The Kenneth Blum Institute on Behavior & Neurogenetics, Austin, TX 78701, USA; (E.R.B.); (C.A.D.)
- Division of Addiction Research & Education, Center for Psychiatry, Medicine & Primary Care (Office of Provost), Western University Health Sciences, Pomona, CA 91766, USA;
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Rodak K, Kokot I, Kratz EM. Caffeine as a Factor Influencing the Functioning of the Human Body-Friend or Foe? Nutrients 2021; 13:3088. [PMID: 34578966 PMCID: PMC8467199 DOI: 10.3390/nu13093088] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/27/2021] [Accepted: 08/31/2021] [Indexed: 02/08/2023] Open
Abstract
Nowadays, caffeine is one of the most commonly consumed substances, which presents in many plants and products. It has both positive and negative effects on the human body, and its activity concerns a variety of systems including the central nervous system, immune system, digestive system, respiratory system, urinary tract, etc. These effects are dependent on quantity, the type of product in which caffeine is contained, and also on the individual differences among people (sex, age, diet etc.). The main aim of this review was to collect, present, and analyze the available information including the latest discoveries on the impact of caffeine on human health and the functioning of human body systems, taking into account the role of caffeine in individual disease entities. We present both the positive and negative sides of caffeine consumption and the healing properties of this purine alkaloid in diseases such as asthma, Parkinson's disease, and others, not forgetting about the negative effects of excess caffeine (e.g., in people with hypertension, children, adolescents, and the elderly). In summary, we can conclude, however, that caffeine has a multi-directional influence on various organs of the human body, and because of its anti-oxidative properties, it was, and still is, an interesting topic for research studies including those aimed at developing new therapeutic strategies.
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Affiliation(s)
- Kamil Rodak
- Student Research Club, “Biomarkers in Medical Diagnostics”, Department of Laboratory Diagnostics, Division of Laboratory Diagnostics, Faculty of Pharmacy, Wroclaw Medical University, Borowska Street 211A, 50-556 Wroclaw, Poland
| | - Izabela Kokot
- Department of Laboratory Diagnostics, Division of Laboratory Diagnostics, Faculty of Pharmacy, Wroclaw Medical University, Borowska Street 211A, 50-556 Wroclaw, Poland;
| | - Ewa Maria Kratz
- Department of Laboratory Diagnostics, Division of Laboratory Diagnostics, Faculty of Pharmacy, Wroclaw Medical University, Borowska Street 211A, 50-556 Wroclaw, Poland;
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Gache LSDS, Vaz J, Almeida-de-Souza J. Systematic Review of the Effects of Coffee or Its Components on Platelets and Their Regulators. J Caffeine Adenosine Res 2021. [DOI: 10.1089/caff.2021.0004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Josiana Vaz
- Escola Superior de Saúde com sede no Instituto Politécnico de Bragança, Bragança, Portugal
- Centro de Investigação Montanha (CIMO) com sede no Instituto Politécnico de Bragança, Bragança, Portugal
| | - Juliana Almeida-de-Souza
- Escola Superior de Saúde com sede no Instituto Politécnico de Bragança, Bragança, Portugal
- Centro de Investigação Montanha (CIMO) com sede no Instituto Politécnico de Bragança, Bragança, Portugal
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Franke AG, Koller G, Krause D, Proebstl L, Kamp F, Pogarell O, Jebrini T, Manz K, Chrobok AI, Soyka M. Just "Like Coffee" or Neuroenhancement by Stimulants? Front Public Health 2021; 9:640154. [PMID: 34164365 PMCID: PMC8215262 DOI: 10.3389/fpubh.2021.640154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 05/05/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: Pharmacological neuroenhancement (PN) is a topic of increasing importance and prevalence among students. However, there is a lack of differentiating PN substances, according to their psychoactive effects. In particular, there is a lack of data about PN by caffeinated drinks, even if coffee is a common and broadly used Neuroenhancer because of its cognitively enhancing effects regarding wakefulness, alertness and concentration. Materials and Methods: A web-survey was developed for German students and alumni about the non-medical use of caffeine for PN contained questions about coffee, caffeinated drinks and energy drinks, caffeine pills and methylxanthine tea regarding frequency and further contextual factors. Results: Six hundred and eighty-three participants completed the survey. Nearly all participants knew about PN (97.7%). 88.1% admitted using some over-the-counter substances. For PN purposes, coffee was used by 72.9% followed by energy drinks (68.2%) and cola drinks (62.4%). Methylxanthine containing tea was used for PN purposes, too (black tea 52.3%, green tea 51.7%). 1.8% admitted using illegal substances or prescription drugs, too. Discussion: Using legal methylxanthine containing drinks for PN seems to be extremely common with coffee and energy drinks being the preferred substances, while illegal and prescription drugs are only minimally used. Further studies should investigate the awareness of methylxanthine containing drinks as well as its character to be a flavoring drink or a neuroenhancer.
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Affiliation(s)
- Andreas G Franke
- Hochschule der Bundesagentur für Arbeit/University of Applied Labour Studies, Mannheim, Germany
| | - Gabriele Koller
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Daniela Krause
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Lisa Proebstl
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Felicia Kamp
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Oliver Pogarell
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Tarek Jebrini
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Kirsi Manz
- Institute for Medical Information Processing, Biometry, and Epidemiology, Ludwig Maximilian University, Munich, Germany
| | - Agnieszka I Chrobok
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Michael Soyka
- Department of Psychiatry and Psychotherapy, Hospital of the Ludwig Maximilian University, Munich, Germany
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Stuby J, Gravestock I, Wolfram E, Pichierri G, Steurer J, Burgstaller JM. Appetite-Suppressing and Satiety-Increasing Bioactive Phytochemicals: A Systematic Review. Nutrients 2019; 11:nu11092238. [PMID: 31533291 PMCID: PMC6769678 DOI: 10.3390/nu11092238] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/05/2019] [Accepted: 09/12/2019] [Indexed: 12/14/2022] Open
Abstract
The prevalence of obesity is increasing worldwide. Bioactive phytochemicals in food supplements are a trending approach to facilitate dieting and to improve patients' adherence to reducing food and caloric intake. The aim of this systematic review was to assess efficacy and safety of the most commonly used bioactive phytochemicals with appetite/hunger-suppressing and/or satiety/fullness-increasing properties. To be eligible, studies needed to have included at least 10 patients per group aged 18 years or older with no serious health problems except for overweight or obesity. Of those studies, 32 met the inclusion criteria, in which 27 different plants were tested alone or as a combination, regarding their efficacy in suppressing appetite/hunger and/or increasing satiety/fullness. The plant extracts most tested were derived from Camellia sinensis (green tea), Capsicum annuum, and Coffea species. None of the plant extracts tested in several trials showed a consistent positive treatment effect. Furthermore, only a few adverse events were reported, but none serious. The findings revealed mostly inconclusive evidence that the tested bioactive phytochemicals are effective in suppressing appetite/hunger and/or increasing satiety/fullness. More systematic and high quality clinical studies are necessary to determine the benefits and safety of phytochemical complementary remedies for dampening the feeling of hunger during dieting.
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Affiliation(s)
- Johann Stuby
- Horten Centre for Patient Oriented Research and Knowledge Transfer, University of Zurich, 8032 Zurich, Switzerland; (I.G.); (G.P.); (J.S.); (J.M.B.)
- Correspondence: ; Tel.: +41-44-255-7503
| | - Isaac Gravestock
- Horten Centre for Patient Oriented Research and Knowledge Transfer, University of Zurich, 8032 Zurich, Switzerland; (I.G.); (G.P.); (J.S.); (J.M.B.)
| | - Evelyn Wolfram
- ZHAW Life Sciences und Facility Management, Phytopharmacy & Natural Product Research Group, 8820 Waedenswil, Switzerland;
| | - Giuseppe Pichierri
- Horten Centre for Patient Oriented Research and Knowledge Transfer, University of Zurich, 8032 Zurich, Switzerland; (I.G.); (G.P.); (J.S.); (J.M.B.)
| | - Johann Steurer
- Horten Centre for Patient Oriented Research and Knowledge Transfer, University of Zurich, 8032 Zurich, Switzerland; (I.G.); (G.P.); (J.S.); (J.M.B.)
| | - Jakob M. Burgstaller
- Horten Centre for Patient Oriented Research and Knowledge Transfer, University of Zurich, 8032 Zurich, Switzerland; (I.G.); (G.P.); (J.S.); (J.M.B.)
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The Impact of Coffee and Its Selected Bioactive Compounds on the Development and Progression of Colorectal Cancer In Vivo and In Vitro. Molecules 2018; 23:molecules23123309. [PMID: 30551667 PMCID: PMC6321559 DOI: 10.3390/molecules23123309] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/07/2018] [Accepted: 12/12/2018] [Indexed: 12/18/2022] Open
Abstract
Coffee is one of the most popular beverages worldwide. Coffee contains bioactive compounds that affect the human body such as caffeine, caffeic acid, chlorogenic acids, trigonelline, diterpenes, and melanoidins. Some of them have demonstrated potential anticarcinogenic effects in animal models and in human cell cultures, and may play a protective role against colorectal cancer. Colorectal cancer (CRC) is the third leading cause of cancer-related mortality in the USA and other countries. Dietary patterns, as well as the consumption of beverages, may reduce the risk of CRC incidence. In this review, we focus on published epidemiological studies concerning the association of coffee consumption and the risk of development of colorectal cancer, and provide a description of selected biologically active compounds in coffee that have been investigated as potential cancer-combating compounds: Caffeine, caffeic acid (CA), chlorogenic acids (CGAs), and kahweol in relation to colorectal cancer progression in in vitro settings. We review the impact of these substances on proliferation, viability, invasiveness, and metastasis, as well as on susceptibility to chemo- and radiotherapy of colorectal cancer cell lines cultured in vitro.
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Alaa Hammami MB, Al Shaikh YG, Hashem AM, Mukhles Adi OM, Ahmed Aal Yaseen I, El Menawy ZM, Elmoselhi AB. Caffeine Consumption Levels and Knowledge Among Adults in the United Arab Emirates: Insights from a Nationwide Survey. J Caffeine Adenosine Res 2018. [DOI: 10.1089/caff.2017.0034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Mohammad Bakri Alaa Hammami
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Yazan Ghazi Al Shaikh
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Anas Mohamad Hashem
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Obaidah M. Mukhles Adi
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Ihab Ahmed Aal Yaseen
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Ziad Mahmoud El Menawy
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Adel B. Elmoselhi
- Department of Family and Community Medicine, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Department of Physiology, Michigan State University, East Lansing, Michigan
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Kumar S, Verma L, Jain NS. Role of histamine H 1 receptor in caffeine induced locomotor sensitization. Neurosci Lett 2018; 668:60-66. [PMID: 29309856 DOI: 10.1016/j.neulet.2018.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 01/02/2018] [Indexed: 11/25/2022]
Abstract
The present study elucidated the role of histamine H1 receptor in the caffeine induced locomotor sensitization. Intermittent administration of caffeine (15 mg/kg, i.p.) on alternate days (induction phase) i.e. 1st, 3rd, 5th, 7th, 9th, 11th and 13th resulted in the development of locomotor sensitization. In addition, challenge with sub-stimulant dose of caffeine (10 mg/kg, i.p.) directly on 17th day to induction group animals resulted in expression to locomotor sensitization to caffeine. I.c.v. injection of histaminergic agents concomitantly with caffeine during induction phase i.e. histamine H1 receptor agonist, FMPH (6.5 μg/mouse) significantly potentiated while H1 receptor antagonist, cetirizine (0.1 μg/mouse) attenuated the locomotor sensitization induced by caffeine (15 mg/kg, i.p.). In addition, challenge with caffeine (10 mg/kg, i.p.) on the expression day (17th) to the induction group mice on FMPH + caffeine treatment showed enhanced, while those on cetirizine + caffeine treatment exhibited lesser expression to locomotor sensitization. Therefore, a possible contributory role of the central histaminergic system via H1 receptor stimulation or up-regulation in the caffeine-induced locomotor sensitizing effect is proposed.
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Affiliation(s)
- Shalu Kumar
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, India
| | - Lokesh Verma
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, India
| | - Nishant S Jain
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, India.
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Srivastava S, Mennemeier M, Pimple S. Effect of Alpinia galanga on Mental Alertness and Sustained Attention With or Without Caffeine: A Randomized Placebo-Controlled Study. J Am Coll Nutr 2017; 36:631-639. [DOI: 10.1080/07315724.2017.1342576] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Mark Mennemeier
- University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
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Dubińska-Magiera M, Daczewska M, Lewicka A, Migocka-Patrzałek M, Niedbalska-Tarnowska J, Jagla K. Zebrafish: A Model for the Study of Toxicants Affecting Muscle Development and Function. Int J Mol Sci 2016; 17:E1941. [PMID: 27869769 PMCID: PMC5133936 DOI: 10.3390/ijms17111941] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 11/10/2016] [Accepted: 11/14/2016] [Indexed: 01/08/2023] Open
Abstract
The rapid progress in medicine, agriculture, and allied sciences has enabled the development of a large amount of potentially useful bioactive compounds, such as drugs and pesticides. However, there is another side of this phenomenon, which includes side effects and environmental pollution. To avoid or minimize the uncontrollable consequences of using the newly developed compounds, researchers seek a quick and effective means of their evaluation. In achieving this goal, the zebrafish (Danio rerio) has proven to be a highly useful tool, mostly because of its fast growth and development, as well as the ability to absorb the molecules diluted in water through its skin and gills. In this review, we focus on the reports concerning the application of zebrafish as a model for assessing the impact of toxicants on skeletal muscles, which share many structural and functional similarities among vertebrates, including zebrafish and humans.
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Affiliation(s)
- Magda Dubińska-Magiera
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, 21 Sienkiewicza Street, 50-335 Wroclaw, Poland.
| | - Małgorzata Daczewska
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, 21 Sienkiewicza Street, 50-335 Wroclaw, Poland.
| | - Anna Lewicka
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, 21 Sienkiewicza Street, 50-335 Wroclaw, Poland.
| | - Marta Migocka-Patrzałek
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, 21 Sienkiewicza Street, 50-335 Wroclaw, Poland.
| | - Joanna Niedbalska-Tarnowska
- Department of Animal Developmental Biology, Institute of Experimental Biology, University of Wroclaw, 21 Sienkiewicza Street, 50-335 Wroclaw, Poland.
| | - Krzysztof Jagla
- GReD-Genetics, Reproduction and Development Laboratory, INSERM U1103, CNRS UMR6293, University of Clermont-Auvergne, 28 Place Henri-Dunant, 63000 Clermont-Ferrand, France.
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Abstract
OBJECTIVE To investigate the use of coffee, caffeinated drinks, and caffeine tablets for pharmacological cognitive enhancement (CE) among surgeons. BACKGROUND Surgeons have demanding workloads, and the resulting fatigue and concentration deficits can lead to medical errors. Some surgeons use substances that promote wakefulness to counteract these effects. METHODS A total of 3306 surgeons who attended 5 international conferences in 2011 were surveyed regarding their use of coffee, caffeinated drinks, and caffeine tablets for CE and potential factors derived from professional and private life using an anonymous self-report questionnaire. In this study, we were only interested in surgeons working in hospitals; therefore, 951 questionnaires were statistically analyzed. RESULTS The most prevalent reason for using caffeine of any kind was to reduce fatigue (54.3%). Further prevalent reasons are working the night shift (32.2%) and overly long and excessive work hours (31.7%). Lifetime, past-year, past-month, and past-week prevalence was 66.8%, 61.9%, 56.9%, and 50.5%, for coffee use; 24.2%, 15.4%, 9.9%, and 6.1%, for caffeinated drinks; and 12.6%, 5.9%, 4.7%, and 3.8%, respectively, for caffeine tablets. Caffeine use was associated with lower age, male sex, divorced marital status, living with children, lack of satisfaction with professional status, pressure to perform in private life, and pressure perceived to be harmful to one's own health. CONCLUSIONS Surgeons often use caffeinated substances to cope with fatigue and long working hours. Coffee use was more prevalent than the use of caffeinated drinks and caffeine tablets.
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Irish coffee: Effects of alcohol and caffeine on object discrimination in zebrafish. Pharmacol Biochem Behav 2016; 143:34-43. [DOI: 10.1016/j.pbb.2016.01.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 01/27/2016] [Accepted: 01/31/2016] [Indexed: 01/19/2023]
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McGregor TJ, Batis JC. A Novel Method for Assessing Caffeine Dependence. JOURNAL OF CAFFEINE RESEARCH 2016. [DOI: 10.1089/jcr.2015.0017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | - Jeffery C. Batis
- Department of Psychology, Indiana University Kokomo, Kokomo, Indiana
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Phillips JG, Currie J, Ogeil RP. Consumption and foraging behaviors for common stimulants (nicotine, caffeine). J Addict Dis 2015; 35:15-21. [PMID: 26555360 DOI: 10.1080/10550887.2015.1094721] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Models are needed to understand the emerging capability to track consumers' movements. Therefore, we examined the use of legal and readily available stimulants that vary in their addictive potential (nicotine, caffeine). One hundred sixty-six participants answered the Kessler Psychological Distress Scale (K10), the Severity of Dependence Scale for nicotine and caffeine, and reported the number of times and locations stimulants were purchased and used. On average, nicotine dependent individuals made their purchases from 2 locations, while caffeine dependent individuals consumed caffeine at 2 locations, but some people exhibited a greater range and intensity of use. Stimulant foraging behavior could be described by power laws, and is exacerbated by dependency. The finding has implications for attempts to control substance use.
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Affiliation(s)
- James G Phillips
- a Psychology Department, Akoranga Campus, Auckland University of Technology , Auckland , New Zealand
| | - Jonathan Currie
- b Electrical & Electronic Engineering, Wellesley Campus, Auckland University of Technology , Auckland , New Zealand
| | - Rowan P Ogeil
- c Eastern Health Clinical School, Monash University and Turning Point, Box Hill , Victoria , Australia
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Phillips JG, Ogeil RP. Decision-making style, nicotine and caffeine use and dependence. Hum Psychopharmacol 2015; 30:442-50. [PMID: 26173816 DOI: 10.1002/hup.2496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 05/11/2015] [Accepted: 06/11/2015] [Indexed: 11/12/2022]
Abstract
RATIONALE As therapeutic interventions are being developed utilising telehealth and mobile phones, it is important to understand how substance-dependent individuals will respond to offers of online assistance. OBJECTIVES The present paper considered the following: (1) how decision-making style is associated with use and dependence upon commonly used stimulants and (2) how it influences behavioural responses to electronic offers of further information about these drugs. METHOD An online survey examined patterns of nicotine and caffeine use, administered Severity of Dependence Scales for caffeine and nicotine and assessed decision-making style using the Melbourne Decision Making Questionnaire and mood using the Kessler Distress Scale. Upon completing these scales, the 181 participants with a mean age of 28.14 years were offered further information online. RESULTS Stimulant dependence was associated with psychological distress. Caffeine dependence was linked to hypervigilance (panic). Decisional self-esteem varied with stimulant dependence and Kessler Distress Scale score. Participants with high decisional self-esteem declined electronic offers of further information. CONCLUSION Confidence rather than defensive avoidance was a factor in reducing information-seeking behaviours on the Internet.
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Affiliation(s)
- James G Phillips
- Psychology Department, Auckland University of Technology, Akoranga Campus, Auckland, New Zealand
| | - Rowan P Ogeil
- Eastern Health Clinical School, Monash University and Turning Point, Eastern Health, Fitzroy, Victoria, Australia
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16
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Rodriguez RS, Haugen R, Rueber A, Huang CC. Reversible neuronal and muscular toxicity of caffeine in developing vertebrates. Comp Biochem Physiol C Toxicol Pharmacol 2014; 163:47-54. [PMID: 24667760 DOI: 10.1016/j.cbpc.2014.03.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 03/15/2014] [Accepted: 03/17/2014] [Indexed: 10/25/2022]
Abstract
This study utilizes zebrafish embryos to understand the cellular and molecular mechanisms of caffeine toxicity in developing vertebrate embryos. By using a high concentration of caffeine, we observed almost all the phenotypes that have been described in humans and/or in other animal models, including neural tube closure defect, jittery, touch insensitivity, and growth retardation as well as a drastic coiled body phenotype. Zebrafish embryos exposed to 5mM caffeine exhibited high frequent movement, 10 moves/min comparing with around 3 moves/min in control embryos, within half an hour post exposure (HPE). They later showed twitching, uncoordinated movement, and eventually severe body curvature by 6HPE. Exposure at later stages resulted in the same phenotypes but more posteriorly. Surprisingly, when caffeine was removed before 6HPE, the embryos were capable of recovering but still exhibited mild curvature and shorter bodies. Longer exposure caused irreversible body curvature and lethality. These results suggest that caffeine likely targets the neuro-muscular physiology in developing embryos. Immunohistochemistry revealed that the motorneurons in treated embryos developed shorter axons, abnormal branching, and excessive synaptic vesicles. Developing skeletal muscles also appeared smaller and lacked the well-defined boundaries seen in control embryos. Finally, caffeine increases the expression of genes involved in synaptic vesicle migration. In summary, our results provide molecular understanding of caffeine toxicity on developing vertebrate embryos.
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Affiliation(s)
- Rufino S Rodriguez
- Biology Department, University of Wisconsin-River Falls, River Falls, WI 54022, USA
| | - Rebecca Haugen
- Biology Department, University of Wisconsin-River Falls, River Falls, WI 54022, USA
| | - Alexandra Rueber
- Biology Department, University of Wisconsin-River Falls, River Falls, WI 54022, USA
| | - Cheng-Chen Huang
- Biology Department, University of Wisconsin-River Falls, River Falls, WI 54022, USA.
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Abstract
The latest edition of the Diagnostic and Statistical Manual (DSM-5) has introduced new provisions for caffeine-related disorders. Caffeine Withdrawal is now an officially recognized diagnosis, and criteria for caffeine use disorder have been proposed for additional study. caffeine use disorder is intended to be characterized by cognitive, behavioral, and physiological symptoms indicative of caffeine use despite significant caffeine-related problems, similar to other Substance Use Disorders. However, since nonproblematic caffeine use is so common and widespread, it may be difficult for some health professionals to accept that caffeine use can result in the same types of pathological behaviors caused by alcohol, cocaine, opiates, or other drugs of abuse. Yet there is evidence that some individuals are psychologically and physiologically dependent on caffeine, although the prevalence and severity of these problems is unknown. This article reviews the recent changes to the DSM, the concerns regarding these changes, and some potential impacts these changes could have on caffeine consumers.
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Abstract
Caffeine as an analgesic adiuvant has been discussed for many years. In a recent Cochrane review based on 19 studies with a total of 7238 patients, caffeine enhanced the efficacy of paracetamol, ibuprofen or aspirin with a number needed to treat (NNT) of about 16, comparable to the effect of doubling the dose of the primary analgesic, reported by other authors. Analgesia by caffeine is best explained by antagonism at adenosine receptors. Recent studies confirmed a favourable tolerability profile of caffeine when consumed in "normal" quantities (e.g. 300 mg or about 3 cups of coffee per day), including possible cardiovascular risks, effects on bone density, and exposure in pregnancy. Beneficial effects are known,e.g.,in Parkinson's disease and liver cirrhosis and fibrosis. Caffeine remains an analgesic adiuvant with a favourable risk-benefit balance.
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Hasin DS, O’Brien CP, Auriacombe M, Borges G, Bucholz K, Budney A, Compton WM, Crowley T, Ling W, Petry NM, Schuckit M, Grant BF. DSM-5 criteria for substance use disorders: recommendations and rationale. Am J Psychiatry 2013; 170:834-51. [PMID: 23903334 PMCID: PMC3767415 DOI: 10.1176/appi.ajp.2013.12060782] [Citation(s) in RCA: 823] [Impact Index Per Article: 74.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Since DSM-IV was published in 1994, its approach to substance use disorders has come under scrutiny. Strengths were identified (notably, reliability and validity of dependence), but concerns have also arisen. The DSM-5 Substance-Related Disorders Work Group considered these issues and recommended revisions for DSM-5. General concerns included whether to retain the division into two main disorders (dependence and abuse), whether substance use disorder criteria should be added or removed, and whether an appropriate substance use disorder severity indicator could be identified. Specific issues included possible addition of withdrawal syndromes for several substances, alignment of nicotine criteria with those for other substances, addition of biomarkers, and inclusion of nonsubstance, behavioral addictions.This article presents the major issues and evidence considered by the work group, which included literature reviews and extensive new data analyses. The work group recommendations for DSM-5 revisions included combining abuse and dependence criteria into a single substance use disorder based on consistent findings from over 200,000 study participants, dropping legal problems and adding craving as criteria, adding cannabis and caffeine withdrawal syndromes, aligning tobacco use disorder criteria with other substance use disorders, and moving gambling disorders to the chapter formerly reserved for substance-related disorders. The proposed changes overcome many problems, while further studies will be needed to address issues for which less data were available.
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Budney AJ, Brown PC, Griffiths RR, Hughes JR, Juliano LM. Caffeine Withdrawal and Dependence: A Convenience Survey Among Addiction Professionals. JOURNAL OF CAFFEINE RESEARCH 2013; 3:67-71. [PMID: 24761276 DOI: 10.1089/jcr.2013.0005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
AIMS Caffeine withdrawal was included in the research appendix of the DSM-IV to encourage additional research to assist with determining its status for the next version of the manual. Caffeine dependence was not included because of a lack of empirical research at the time of publication. This study assessed the beliefs of addiction professionals about the clinical importance of caffeine withdrawal and dependence. METHODS A 6-item survey was developed and delivered electronically to the members of six professional organizations that focus on addiction. Open-ended comments were also solicited. Five hundred members responded. RESULTS The majority (95%) thought that cessation of caffeine could produce a withdrawal syndrome, and that caffeine withdrawal can have clinical importance (73%); however, only half (48%) thought that caffeine withdrawal should be included in the Diagnostic and Statistical Manual of Mental Disorders (DSM). A majority (58%) believed that some people develop caffeine dependence; however, only 44% indicated that it should be in the DSM. Comments suggested that trepidation about inclusion of caffeine diagnoses was due to the concerns about the field of psychiatry being criticized for including common disorders with a relatively low clinical severity. Others, however, expressed an urgent need to take caffeine-related problems more seriously. CONCLUSIONS The majority of addiction professionals believe that caffeine withdrawal and dependence disorders exist and are clinically important; however, these professionals are divided in whether caffeine withdrawal and dependence should be included in DSM. Wider dissemination of the extant literature on caffeine withdrawal and additional research on caffeine dependence will be needed to provide additional guidance to policymakers and healthcare workers.
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Affiliation(s)
- Alan J Budney
- Addiction Treatment and Research Program, Department of Psychiatry, Geisel School of Medicine at Dartmouth , Lebanon, New Hampshire
| | - Pamela C Brown
- Department of Veterans Affairs, Orlando VA Medical Center , Orlando, Florida
| | - Roland R Griffiths
- Departments of Psychiatry and Neuroscience, Johns Hopkins School of Medicine , Baltimore, Maryland
| | - John R Hughes
- Departments of Psychiatry, Family Practice and Psychiatry, University of Vermont , Burlington, Vermont
| | - Laura M Juliano
- Department of Psychology, American University , Washington, District of Columbia
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Franke AG, Lieb K, Hildt E. What users think about the differences between caffeine and illicit/prescription stimulants for cognitive enhancement. PLoS One 2012; 7:e40047. [PMID: 22768218 PMCID: PMC3386931 DOI: 10.1371/journal.pone.0040047] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Accepted: 05/31/2012] [Indexed: 11/18/2022] Open
Abstract
Pharmacological cognitive enhancement (CE) is a topic of increasing public awareness. In the scientific literature on student use of CE as a study aid for academic performance enhancement, there are high prevalence rates regarding the use of caffeinated substances (coffee, caffeinated drinks, caffeine tablets) but remarkably lower prevalence rates regarding the use of illicit/prescription stimulants such as amphetamines or methylphenidate. While the literature considers the reasons and mechanisms for these different prevalence rates from a theoretical standpoint, it lacks empirical data to account for healthy students who use both, caffeine and illicit/prescription stimulants, exclusively for the purpose of CE. Therefore, we extensively interviewed a sample of 18 healthy university students reporting non-medical use of caffeine as well as illicit/prescription stimulants for the purpose of CE in a face-to-face setting about their opinions regarding differences in general and morally-relevant differences between caffeine and stimulant use for CE. 44% of all participants answered that there is a general difference between the use of caffeine and illicit/prescription stimulants for CE, 28% did not differentiate, 28% could not decide. Furthermore, 39% stated that there is a moral difference, 56% answered that there is no moral difference and one participant was not able to comment on moral aspects. Participants came to their judgements by applying three dimensions: medical, ethical and legal. Weighing the medical, ethical and legal aspects corresponded to the students' individual preferences of substances used for CE. However, their views only partly depicted evidence-based medical aspects and the ethical issues involved. This result shows the need for well-directed and differentiated information to prevent the potentially harmful use of illicit or prescription stimulants for CE.
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Affiliation(s)
- Andreas G Franke
- Department of Psychiatry and Psychotherapy, University Medical Centre, Mainz, Germany.
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Development of an innovative nutraceutical fermented beverage from herbal mate (Ilex paraguariensis A.St.-Hil.) extract. Int J Mol Sci 2012; 13:788-800. [PMID: 22312286 PMCID: PMC3269720 DOI: 10.3390/ijms13010788] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Revised: 12/31/2011] [Accepted: 01/05/2012] [Indexed: 12/25/2022] Open
Abstract
Herbal mate (Ilex paraguariensis A.St.-Hil.) leaves are traditionally used for their stimulant, antioxidant, antimicrobial, and diuretic activity, presenting as principal components polyphenolic compounds. The aim of this work was to develop an innovative, non-dairy, functional, probiotic, fermented beverage using herbal mate extract as a natural ingredient which would also be hypocholesterolemic and hepatoprotective. Among different strains used, Lactobacillus acidophilus was selected as the best for fermentation. The addition of honey positively affected the development of L. acidophilus and the formulated beverage maintained microbial stability during shelf life. Key ingredients in the extract included xanthines, polyphenols and other antioxidants with potential health benefits for the consumer. Caffeine levels and antioxidant activity were also studied. Acceptable levels of caffeine and large antioxidant capacity were observed for the formulation when compared to other antioxidant beverages. An advantage of this product is the compliance to organic claims, while providing caffeine, other phyto-stimulants and antioxidant compounds without the addition of synthetic components or preservatives in the formulation. Sensorial analysis demonstrated that the beverage had good consumer acceptance in comparison to two other similar commercial beverages. Therefore, this beverage could be used as a new, non-dairy vehicle for probiotic consumption, especially by vegetarians and lactose intolerant consumers. It is expected that such a product will have good market potential in an era of functional foods.
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Zancheta R, Possi AP, Planeta CS, Marin MT. Repeated administration of caffeine induces either sensitization or tolerance of locomotor stimulation depending on the environmental context. Pharmacol Rep 2012; 64:70-7. [DOI: 10.1016/s1734-1140(12)70732-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2011] [Revised: 09/29/2011] [Indexed: 10/25/2022]
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Striley CLW, Griffiths RR, Cottler LB. Evaluating Dependence Criteria for Caffeine. JOURNAL OF CAFFEINE RESEARCH 2011; 1:219-225. [PMID: 24761264 DOI: 10.1089/jcr.2011.0029] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Background: Although caffeine is the most widely used mood-altering drug in the world, few studies have operationalized and characterized Diagnostic and Statistical Manual IV (DSM-IV) substance dependence criteria applied to caffeine. Methods: As a part of a nosological study of substance use disorders funded by the National Institute on Drug Abuse, we assessed caffeine use and dependence symptoms among high school and college students, drug treatment patients, and pain clinic patients who reported caffeine use in the last 7 days and also reported use of alcohol, nicotine, or illicit drugs within the past year (n=167). Results: Thirty-five percent met the criteria for dependence when all seven of the adopted DSM dependence criteria were used. Rates of endorsement of several of the most applicable diagnostic criteria were as follows: 26% withdrawal, 23% desire to cut down or control use, and 44% continued use despite harm. In addition, 34% endorsed craving, 26% said they needed caffeine to function, and 10% indicated that they talked to a physician or counselor about problems experienced with caffeine. There was a trend towards increased caffeine dependence among those dependent on nicotine or alcohol. Within a subgroup that had used caffeine, alcohol, and nicotine in the past year, 28% fulfilled criteria for caffeine dependence compared to 50% for alcohol and 80% for nicotine. Conclusion: The present study adds to a growing literature suggesting the reliability, validity, and clinical utility of the caffeine dependence diagnosis. Recognition of caffeine dependence in the DSM-V may be clinically useful.
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Affiliation(s)
- Catherine L W Striley
- Department of Epidemiology, College of Public Health and Health Professions, College of Medicine, University of Florida , Gainesville, Florida
| | - Roland R Griffiths
- Department of Psychiatry and Behavioral Sciences, Department of Neuroscience, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Linda B Cottler
- Department of Epidemiology, College of Public Health and Health Professions, College of Medicine, University of Florida , Gainesville, Florida
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Yger M, Girault JA. DARPP-32, Jack of All Trades… Master of Which? Front Behav Neurosci 2011; 5:56. [PMID: 21927600 PMCID: PMC3168893 DOI: 10.3389/fnbeh.2011.00056] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2011] [Accepted: 08/16/2011] [Indexed: 02/03/2023] Open
Abstract
DARPP-32 (PPP1R1B) was discovered as a substrate of cAMP-dependent protein kinase (PKA) enriched in dopamine-innervated brain areas. It is one of three related, PKA-regulated inhibitors of protein phosphatase-1 (PP1). These inhibitors seem to have appeared in early vertebrate ancestors, possibly Gnathostomes. DARPP-32 has additional important biochemical properties including inhibition of PKA when phosphorylated by Cdk5 and regulation by casein kinases 1 and 2. It is highly enriched in specific neuronal populations, especially striatal medium-size spiny neurons. As PP1 inhibitor DARPP-32 amplifies and/or mediates many actions of PKA at the plasma membrane and in the cytoplasm, with a broad spectrum of potential targets and functions. DARPP-32 also undergoes a continuous and tightly regulated cytonuclear shuttling. This trafficking is controlled by phosphorylation of Ser-97, which is necessary for nuclear export. When phosphorylated on Thr-34 and dephosphorylated on Ser-97, DARPP-32 can inhibit PP1 in the nucleus and modulate signaling pathways involved in the regulation of chromatin response. Recent work with multiple transgenic and knockout mutant mice has allowed the dissection of DARPP-32 function in striato-nigral and striato-pallidal neurons. It is implicated in the action of therapeutic and abused psychoactive drugs, in prefrontal cortex function, and in sexual behavior. However, the contribution of DARPP-32 in human behavior remains poorly understood. Post-mortem studies in humans suggest possible alterations of DARPP-32 levels in schizophrenia and bipolar disorder. Genetic studies have revealed a polymorphism with possible association with psychological and psychopathological traits. In addition, a short isoform of DARPP-32, t-DARPP, plays a role in cancer, indicating additional signaling properties. Thus, DARPP-32 is a non-essential but tightly regulated signaling hub molecule which may improve the general performance of the neuronal circuits in which it is expressed.
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Affiliation(s)
- Marion Yger
- INSERM UMR-S 839Paris, France
- Université Pierre et Marie CurieParis, France
- Institut du Fer à MoulinParis, France
| | - Jean-Antoine Girault
- INSERM UMR-S 839Paris, France
- Université Pierre et Marie CurieParis, France
- Institut du Fer à MoulinParis, France
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Nehlig A, Armspach JP, Namer IJ. SPECT assessment of brain activation induced by caffeine: no effect on areas involved in dependence. DIALOGUES IN CLINICAL NEUROSCIENCE 2010. [PMID: 20623930 PMCID: PMC3181952 DOI: 10.31887/dcns.2010.12.2/anehlig] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Caffeine is not considered addictive, and in animals it does not trigger metabolic increases or dopamine release in brain areas involved in reinforcement and reward. Our objective was to measure caffeine effects on cerebral perfusion in humans using single photon emission computed tomography with a specific focus on areas of reinforcement and reward. Two groups of nonsmoking subjects were studied, one with a low (8 subjects) and one with a high (6 subjects) daily coffee consumption. The subjects ingested 3 mg/kg caffeine or placebo in a raspberry-tasting drink, and scans were performed 45 min after ingestion. A control group of 12 healthy volunteers receiving no drink was also studied. Caffeine consumption led to a generalized, statistically nonsignificant perfusion decrease of 6% to 8%, comparable in low and high consumers. Compared with controls, low consumers displayed neuronal activation bilaterally in inferior frontal gyrus-anterior insular cortex and uncus, left internal parietal cortex, right lingual gyrus, and cerebellum. In high consumers, brain activation occurred bilaterally only in hypothalamus. Thus, on a background of widespread low-amplitude perfusion decrease, caffeine activates a few regions mainly involved in the control of vigilance, anxiety, and cardiovascular regulation, but does not affect areas involved in reinforcing and reward.
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Favrod-Coune T, Broers B. The Health Effect of Psychostimulants: A Literature Review. Pharmaceuticals (Basel) 2010; 3:2333-2361. [PMID: 27713356 PMCID: PMC4036656 DOI: 10.3390/ph3072333] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2010] [Accepted: 07/21/2010] [Indexed: 12/13/2022] Open
Abstract
Prevalence of psychostimulant use is high, and raising in several countries. Nicotine is the legal stimulant causing the most important public health impact. Cocaine ranks among the most used illicit substances after cannabis. Stimulant medications are frequently misused. Psychostimulants can lead to addiction, have physical, psychological and social health consequences and can induce a great disease burden. The aim of the present article is to provide a literature review on the health effects of stimulants as potential drugs of abuse. It will cover essentially cocaine, amphetamines and its derivatives (including methamphetamines and 3-4-methylenedioxymethamphetamine, ecstasy), nicotine, caffeine and khat, and touch upon the issues of prescribed substances (anti-depressants, weight control medications, attention-deficit hyperactivity disorder medications, hypersomniac disorder). Their pharmacology, addictive potential, health consequences and treatment will be discussed. We used Medline for the literature review from 1990 to the date of this review, and mention the findings of human and animal studies (the latter only if they are of clinical relevance).
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Affiliation(s)
- Thierry Favrod-Coune
- Division of Primary Care Medicine, Geneva University Hospitals 4, Rue Gabrielle-Perret-Gentil,1211 Geneva 14, Switzerland.
| | - Barbara Broers
- Division of Primary Care Medicine, Geneva University Hospitals 4, Rue Gabrielle-Perret-Gentil,1211 Geneva 14, Switzerland.
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28
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Caffeine consumption among eating disorder patients: epidemiology, motivations, and potential of abuse. Eat Weight Disord 2009; 14:e212-8. [PMID: 20179408 DOI: 10.1007/bf03325119] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
OBJECTIVE Aim of the study was to investigate caffeine use in different types of eating disorders (ED) patients either using a categorical approach [Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition - Text Revision (DSM-IV-TR) diagnostic criteria] or a dimensional perspective. METHOD Fifty-eight ED female patients [anorexia nervosa (AN), restricting and binge-eating/purging type, N=15; bulimia nervosa (BN) purging type/nonpurging type, N=26; binge eating disorder (BED), N=17] referred to an Eating Disorder Unit and 15 non-clinical controls were administered the Eating Disorder Inventory-2 (EDI-2), the Clinical Global Impression (CGI) and the Caffeine Use Test, an interview specifically developed to investigate caffeine intake. Statistical analyses were then repeated clustering patients according to the presence/absence of purging behaviors (purgers, N=22; non-purgers, N=19; BED, N=17). RESULTS Current and lifetime caffeine use, measured as mg/day, were similar comparing controls and ED patients as a whole. BN patients showed a significantly higher maximum lifetime caffeine intake (817.4+/-528,9 vs 325.0+/-294.6 mg/die, F=3.246, p<0.05); the same for purgers vs controls (p<0.05). Caffeine abuse was significantly more represented among patients vs controls (p<0.01), but similar among different patients' groups. As for diagnoses according to DSM-IV-TR Substance Use modified for caffeine, no significant difference was found among the different groups, for either Dependence, Intoxication or Withdrawal. Most of patients and controls reported pleasure as the main motivation for caffeine use, followed by increased vigilance and attention and appetite suppression in AN and BN patients. Note that a shift in diagnosis in the course of the ED from non-purging to purging type was associated with an increase in caffeine current, lifetime and maximum lifetime intake (F=1.667 p<0.05), except for BED patients. Severity of the ED measured as CGI score or comorbidity did not affect caffeine intake in patients as a whole, but in the purging subgroup current caffeine use was increased in presence of an anxiety disorder (p<0.05), and decreased in presence of a mood disorder (p<0.01). CONCLUSIONS Data from the present study are in agreement with previous evidence in literature that a high percentage of ED patients ordinarily use caffeine with an average intake similar to that of the general population, however with a kind of binge attitude. Among heavy drinkers, daily caffeine intake and alcohol/cigarettes use are associated supporting the link with the dimension of impulse disregulation. The substantial number of subjects from our sample satisfying research criteria for Dependence, together with increasing reports of caffeine intoxication, suggests the growing relevance of these issues that deserve further investigation.
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Temple JL. Caffeine use in children: what we know, what we have left to learn, and why we should worry. Neurosci Biobehav Rev 2009; 33:793-806. [PMID: 19428492 PMCID: PMC2699625 DOI: 10.1016/j.neubiorev.2009.01.001] [Citation(s) in RCA: 189] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2008] [Revised: 01/12/2009] [Accepted: 01/12/2009] [Indexed: 12/30/2022]
Abstract
Caffeine is a widely used psychoactive substance in both adults and children that is legal, easy to obtain, and socially acceptable to consume. Although once relatively restricted to use among adults, caffeine-containing drinks are now consumed regularly by children. In addition, some caffeine-containing beverages are specifically marketed to children as young as 4 years of age. Unfortunately, our knowledge of the effects of caffeine use on behavior and physiology of children remains understudied and poorly understood. The purpose of this article is to review what is known about caffeine use in children and adolescents, to discuss why children and adolescents may be particularly vulnerable to the negative effects of caffeine, and to propose how caffeine consumption within this population may potentiate the rewarding properties of other substances. The following topics are reviewed: (1) tolerance and addiction to caffeine, (2) sensitization and cross-sensitization to the effects of caffeine, (3) caffeine self-administration and reinforcing value, and (4) conditioning of preferences for caffeine-containing beverages in both adults and children.
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Affiliation(s)
- Jennifer L Temple
- University at Buffalo, Department of Exercise and Nutrition Sciences, Buffalo, NY 14214, USA.
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Fourteen well-described caffeine withdrawal symptoms factor into three clusters. Psychopharmacology (Berl) 2009; 201:541-8. [PMID: 18795265 DOI: 10.1007/s00213-008-1329-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2008] [Accepted: 08/29/2008] [Indexed: 10/21/2022]
Abstract
RATIONALE Abrupt cessation of caffeine often results in several withdrawal symptoms among habitual caffeine consumers. OBJECTIVE The objective of the study was to determine whether caffeine withdrawal symptoms co-exist as clusters in some individuals. MATERIALS AND METHODS Withdrawal symptoms and caffeine intake were assessed for men (n=126) and women (n=369), aged 20-29, using a caffeine habits questionnaire and a semi-quantitative food frequency questionnaire, respectively. Principal components factor analysis was used to identify common underlying factors among 14 well-described caffeine withdrawal symptoms. Odds ratios (OR) and 95% confidence intervals (CI) were calculated to determine if the likelihood of reporting a withdrawal factor was associated with habitual caffeine consumption. RESULTS The 14 withdrawal symptoms were grouped into three factors termed "fatigue and headache", "dysphoric mood", and "flu-like somatic". The likelihood of reporting the fatigue and headache and dysphoric mood factors increased with higher levels of habitual caffeine consumption. Compared to <100 mg/day of caffeine, the ORs (95% CI) of reporting the fatigue and headache factor with a habitual intake of 100-200 mg/day and >200 mg/day were 1.97 (1.21, 3.21) and 4.44 (2.50, 7.86), respectively. The corresponding ORs (95% CI) for the dysphoric mood factor were 1.55 (0.96, 2.52) and 3.34 (1.99, 5.60). CONCLUSIONS The 14 well-described caffeine withdrawal symptoms factor into three clusters, suggesting the existence of three distinct underlying mechanisms of caffeine withdrawal. Increasing habitual caffeine consumption is associated with an increased likelihood of reporting the fatigue and headache and dysphoric mood symptoms, but not the flu-like somatic symptoms.
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Abstract
Caffeine is the most widely consumed psychostimulant drug in the world. With intermittent exposures, caffeine may act as a mild analgesic for headache or as an adjuvant for the actions of other analgesics. Chronic repetitive exposures to caffeine increase the risks for development of analgesic-overuse headache, chronic daily headache, and physical dependency. Cessation of caffeine use after chronic exposures leads to a withdrawal syndrome with headache as a dominant symptom. At dosages achieved by common dietary intake, caffeine acts as a potent antagonist of central and peripheral nervous system adenosine receptors. The complex effects of caffeine on headache disorders suggest important roles for adenosine in these disorders and in the induction of caffeine dependency.
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Affiliation(s)
- Robert E Shapiro
- Department of Neurology, Given C219B, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT 05405, USA.
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32
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Caffeine drinking potentiates cannabinoid transmission in the striatum: interaction with stress effects. Neuropharmacology 2008; 56:590-7. [PMID: 19027757 DOI: 10.1016/j.neuropharm.2008.10.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2008] [Revised: 10/07/2008] [Accepted: 10/28/2008] [Indexed: 11/22/2022]
Abstract
Caffeine, the psychoactive ingredient of coffee and of many soft drinks, is frequently abused by humans especially during stressful live events. The endocannabinoid system is involved in the central effects of many psychoactive compounds and of stress. Whether caffeine alters the cannabinoid system and interferes with stress-induced synaptic alterations is however unknown. We have studied electrophysiologically the sensitivity of cannabinoid receptors modulating synaptic transmission in the striatum of mice exposed to caffeine in their drinking solution. Chronic caffeine assumption sensitized GABAergic synapses to the presynaptic effect of cannabinoid CB1 receptor stimulation by exo- and endocannabinoids. Caffeine was conversely unable to affect the sensitivity of cannabinoid receptors modulating glutamate transmission. The synaptic effects of caffeine were slowly reversible after its removal from the drinking solution. Furthermore, although exposure to caffeine for only 24h did not produce measurable changes of the sensitivity of cannabinoid CB1 receptors, it was able to contrast the down-regulation of CB1 receptor-mediated responses after social defeat stress. Our data suggest that the cannabinoid system is implicated in the psychoactive properties of caffeine and in the ability of caffeine to reduce the pathological consequences of stress.
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