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Fatahi N, Jafari-Sabet M, Vahabzadeh G, Komaki A. Role of hippocampal and prefrontal cortical cholinergic transmission in combination therapy valproate and cannabidiol in memory consolidation in rats: involvement of CREB- BDNF signaling pathways. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:5029-5047. [PMID: 38189934 DOI: 10.1007/s00210-023-02941-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
PURPOSE Cognitive disorders are associated with valproate and drugs used to treat neuropsychological diseases. Cannabidiol (CBD) has beneficial effects on cognitive function. This study examined the effects of co-administration of CBD and valproate on memory consolidation, cholinergic transmission, and cyclic AMP response element-binding protein (CREB)-brain-derived neurotrophic factor (BDNF) signaling pathway in the prefrontal cortex (PFC) and hippocampus (HPC). METHODS One-trial, step-through inhibitory test was used to evaluate memory consolidation in rats. The intra-CA1 injection of physostigmine and atropine was performed to assess the role of cholinergic transmission in this co-administration. Phosphorylated CREB (p-CREB)/CREB ratio and BDNF levels in the PFC and HPC were evaluated. RESULTS Post-training intraperitoneal (i.p.) valproate injection reduced memory consolidation; however, post-training co-administration of CBD with valproate ameliorated memory impairment induced by valproate. Post-training intra-CA1 injection of physostigmine at the ineffective doses in memory consolidation (0.5 and 1 µg/rat), plus injection of 10 mg/kg of CBD as an ineffective dose, improved memory loss induced by valproate, which was associated with BDNF and p-CREB level enhancement in the PFC and HPC. Conversely, post-training intra-CA1 injection of ineffective doses of atropine (1 and 2 µg/rat) reduced the positive effects of injection of CBD at a dose of 20 mg/kg on valproate-induced memory loss associated with BDNF and p-CREB level reduction in the PFC and HPC. CONCLUSION The results indicated a beneficial interplay between valproate and CBD in the process of memory consolidation, which probably creates this interaction through the BDNF-CREB signaling pathways in the cholinergic transmission of the PFC and HPC regions.
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Affiliation(s)
- Navid Fatahi
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Majid Jafari-Sabet
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran.
- Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Gelareh Vahabzadeh
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
- Razi Drug Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Komaki
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Battisti MA, Constantino L, Argenta DF, Reginatto FH, Pizzol FD, Caon T, Campos AM. Nanoemulsions and nanocapsules loaded with Melaleuca alternifolia essential oil for sepsis treatment. Drug Deliv Transl Res 2024; 14:1239-1252. [PMID: 38227165 DOI: 10.1007/s13346-023-01458-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/12/2023] [Indexed: 01/17/2024]
Abstract
Sepsis represents a complex clinical syndrome that results from a harmful host response to infection. The infections most associated with sepsis are pneumonia, intra-abdominal infection, and urinary tract infection. Tea tree oil (TTO) has shown high antibacterial activity; however, it exhibits low aqueous solubility and high volatility, which have motivated its nanoencapsulation. In this study, the performance of nanoemulsions (NE) and nanocapsules (NC) loaded with TTO was compared. These systems were prepared by spontaneous emulsification and nanoprecipitation methods, respectively. Poly-ε-caprolactone or Eudragit® RS100 were tested as polymers for NCs whereas Tween® 80 or Pluronic® F68 as surfactants in NE preparation. Pluronic® F68 and Eudragit® RS100 resulted in more homogeneous and stable nanoparticles. In accelerated stability studies at 4 and 25 °C, both colloidal suspensions (NC and NE) were kinetically stable. NCs showed to be more stable to photodegradation and less cytotoxic than NEs. After sepsis induction by the cecal ligation and puncture (CLP) model, both NE and NC reduced neutrophil infiltration into peritoneal lavage (PL) and kidneys. Moreover, the systems increased group thiols in the kidney and lung tissue and reduced bacterial growth in PL. Taken together, both systems showed to be effective against injury induced by sepsis; however, NCs should be prioritized due to advantages in terms of cytotoxicity and physicochemical stability.
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Affiliation(s)
- Mariana Alves Battisti
- Postgraduate Program in Pharmacy (PGFAR), Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Larissa Constantino
- Postgraduate Program in Pharmacy (PGFAR), Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Débora Fretes Argenta
- Postgraduate Program in Pharmacy (PGFAR), Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Flávio Henrique Reginatto
- Postgraduate Program in Pharmacy (PGFAR), Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Felipe Dal Pizzol
- Laboratory of Experimental Pathophysiology, Postgraduate Program in Health Sciences, University of South Santa Catarina, Criciúma, Brazil
| | - Thiago Caon
- Postgraduate Program in Pharmacy (PGFAR), Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900, Florianópolis, SC, Brazil
| | - Angela Machado Campos
- Postgraduate Program in Pharmacy (PGFAR), Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900, Florianópolis, SC, Brazil.
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Frederico Gava F, Jaconi De Carli R, Stork S, Gainski Danielski L, Bonfante S, Joaquim L, Lino Lobo Metzker K, Mathias K, Santos D, Darós G, Goulart M, Mariano de Bitencourt R, Somariva Prophiro J, Ludvig Gonçalves C, Generoso J, Barichello T, Petronilho F. Cannabidiol effect on long-term brain alterations in septic rats: Involvement of PPARγ activation. Brain Res 2024; 1828:148771. [PMID: 38242525 DOI: 10.1016/j.brainres.2024.148771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/10/2023] [Accepted: 01/13/2024] [Indexed: 01/21/2024]
Abstract
Sepsis is a life-threatening condition induced by a deregulated host response to infection. Post-sepsis injury includes long-term cognitive impairment, whose neurobiological mechanisms and effective treatment remain unknown. The present study was designed to determine the potential effects of cannabidiol (CBD) in a sepsis-associated encephalopathy (SAE) model and explore if peroxisome proliferator activated receptor gamma (PPARγ) is the putative mechanism underpinning the beneficial effects. SAE was induced in Wistar rats by cecal ligation and puncture (CLP) or sham (control). CLP rats received vehicle, CBD (10 mg/kg), PPARγ inhibitor (GW9662 - 1 mg/kg), or GW9662 (1 mg/kg) + CBD (10 mg/kg) intraperitoneally for ten days. During this period, the survival rate was recorded, and at the end of 10 days, a memory test was performed, and the prefrontal cortex and hippocampus were removed to verify brain-derived neurotrophic factor (BDNF), cytokines (IL-1β, IL-6 and IL-10), myeloperoxidase activity, nitrite nitrate concentration, and lipid and protein carbonylation and catalase activity. Septic rats presented cognitive decline and an increase in mortality following CLP. Only CBD alone improved the cognitive impairment, which was accompanied by restoration of BDNF, reduced neuroinflammation, and oxidative stress, mainly in the hippocampus. This study shows that CLP induces an increase in brain damage and CBD has neuroprotective effects on memory impairment and neurotrophins, as well as against neuroinflammation and oxidative stress, and is mediated by PPARγ activation.
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Affiliation(s)
- Fernanda Frederico Gava
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Raquel Jaconi De Carli
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Solange Stork
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Lucineia Gainski Danielski
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Sandra Bonfante
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Larissa Joaquim
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Kiuanne Lino Lobo Metzker
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Khiany Mathias
- Research Group in Immunoparasitology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, (UNISUL), Tubarão, Brazil
| | - David Santos
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Guilherme Darós
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Marina Goulart
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Rafael Mariano de Bitencourt
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão, Santa Catarina, Brazil
| | - Josiane Somariva Prophiro
- Research Group in Immunoparasitology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, (UNISUL), Tubarão, Brazil
| | - Cinara Ludvig Gonçalves
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Jaqueline Generoso
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil
| | - Tatiana Barichello
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil; Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Fabricia Petronilho
- Laboratory of Experimental Neurology, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, Santa Catarina, Brazil.
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Omotayo OP, Lemmer Y, Mason S. A narrative review of the therapeutic and remedial prospects of cannabidiol with emphasis on neurological and neuropsychiatric disorders. J Cannabis Res 2024; 6:14. [PMID: 38494488 PMCID: PMC10946130 DOI: 10.1186/s42238-024-00222-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 02/29/2024] [Indexed: 03/19/2024] Open
Abstract
BACKGROUND The treatment of diverse diseases using plant-derived products is actively encouraged. In the past few years, cannabidiol (CBD) has emerged as a potent cannabis-derived drug capable of managing various debilitating neurological infections, diseases, and their associated complications. CBD has demonstrated anti-inflammatory and curative effects in neuropathological conditions, and it exhibits therapeutic, apoptotic, anxiolytic, and neuroprotective properties. However, more information on the reactions and ability of CBD to alleviate brain-related disorders and the neuroinflammation that accompanies them is needed. MAIN BODY This narrative review deliberates on the therapeutic and remedial prospects of CBD with an emphasis on neurological and neuropsychiatric disorders. An extensive literature search followed several scoping searches on available online databases such as PubMed, Web of Science, and Scopus with the main keywords: CBD, pro-inflammatory cytokines, and cannabinoids. After a purposive screening of the retrieved papers, 170 (41%) of the articles (published in English) aligned with the objective of this study and retained for inclusion. CONCLUSION CBD is an antagonist against pro-inflammatory cytokines and the cytokine storm associated with neurological infections/disorders. CBD regulates adenosine/oxidative stress and aids the downregulation of TNF-α, restoration of BDNF mRNA expression, and recovery of serotonin levels. Thus, CBD is involved in immune suppression and anti-inflammation. Understanding the metabolites associated with response to CBD is imperative to understand the phenotype. We propose that metabolomics will be the next scientific frontier that will reveal novel information on CBD's therapeutic tendencies in neurological/neuropsychiatric disorders.
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Affiliation(s)
- Oluwadara Pelumi Omotayo
- Human Metabolomics, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom, South Africa
| | - Yolandy Lemmer
- Council for Scientific and Industrial Research (CSIR), Next Generation Health, Pretoria, South Africa
- Preclinical Drug Development Platform, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Shayne Mason
- Human Metabolomics, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom, South Africa.
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Schouten M, Dalle S, Mantini D, Koppo K. Cannabidiol and brain function: current knowledge and future perspectives. Front Pharmacol 2024; 14:1328885. [PMID: 38288087 PMCID: PMC10823027 DOI: 10.3389/fphar.2023.1328885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/19/2023] [Indexed: 01/31/2024] Open
Abstract
Cannabidiol (CBD) is a naturally occurring non-psychoactive cannabinoid found in Cannabis sativa, commonly known as cannabis or hemp. Although currently available CBD products do not meet the safety standards of most food safety authorities to be approved as a dietary supplement or food additive, CBD has been gaining widespread attention in recent years due to its various potential health benefits. While primarily known for its therapeutic effects in managing epileptic seizures, psychosis, anxiety, (neuropathic) pain, and inflammation, CBD's influence on brain function has also piqued the interest of researchers and individuals seeking to enhance cognitive performance. The primary objective of this review is to gather, synthesize, and consolidate scientifically proven evidence on the impact of CBD on brain function and its therapeutic significance in treating neurological and mental disorders. First, basic background information on CBD, including its biomolecular properties and mechanisms of action is presented. Next, evidence for CBD effects in the human brain is provided followed by a discussion on the potential implications of CBD as a neurotherapeutic agent. The potential effectiveness of CBD in reducing chronic pain is considered but also in reducing the symptoms of various brain disorders such as epilepsy, Alzheimer's, Huntington's and Parkinson's disease. Additionally, the implications of using CBD to manage psychiatric conditions such as psychosis, anxiety and fear, depression, and substance use disorders are explored. An overview of the beneficial effects of CBD on aspects of human behavior, such as sleep, motor control, cognition and memory, is then provided. As CBD products remain largely unregulated, it is crucial to address the ethical concerns associated with their use, including product quality, consistency, and safety. Therefore, this review discusses the need for responsible research and regulation of CBD to ensure its safety and efficacy as a therapeutic agent for brain disorders or to stimulate behavioral and cognitive abilities of healthy individuals.
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Affiliation(s)
- Moniek Schouten
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Sebastiaan Dalle
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Dante Mantini
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Katrien Koppo
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
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Zhang J, Lin C, Jin S, Wang H, Wang Y, Du X, Hutchinson MR, Zhao H, Fang L, Wang X. The pharmacology and therapeutic role of cannabidiol in diabetes. EXPLORATION (BEIJING, CHINA) 2023; 3:20230047. [PMID: 37933286 PMCID: PMC10582612 DOI: 10.1002/exp.20230047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 05/31/2023] [Indexed: 11/08/2023]
Abstract
In recent years, cannabidiol (CBD), a non-psychotropic cannabinoid, has garnered substantial interest in drug development due to its broad pharmacological activity and multi-target effects. Diabetes is a chronic metabolic disease that can damage multiple organs in the body, leading to the development of complications such as abnormal kidney function, vision loss, neuropathy, and cardiovascular disease. CBD has demonstrated significant therapeutic potential in treating diabetes mellitus and its complications owing to its various pharmacological effects. This work summarizes the role of CBD in diabetes and its impact on complications such as cardiovascular dysfunction, nephropathy, retinopathy, and neuropathy. Strategies for discovering molecular targets for CBD in the treatment of diabetes and its complications are also proposed. Moreover, ways to optimize the structure of CBD based on known targets to generate new CBD analogues are explored.
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Affiliation(s)
- Jin Zhang
- Department of GeriatricsThe First Hospital of Jilin UniversityChangchunPeople's Republic of China
- State Key Laboratory of Natural and Biomimetic DrugsPeking UniversityBeijingPeople's Republic of China
- Laboratory of Chemical Biology, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
| | - Cong Lin
- Laboratory of Chemical Biology, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
| | - Sha Jin
- Laboratory of Chemical Biology, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiPeople's Republic of China
| | - Hongshuang Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
| | - Yibo Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
| | - Xiubo Du
- Shenzhen Key Laboratory of Marine Biotechnology and EcologyCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenPeople's Republic of China
| | - Mark R. Hutchinson
- Discipline of PhysiologyAdelaide Medical SchoolUniversity of AdelaideThe Commonwealth of AustraliaAdelaideAustralia
- ARC Centre for Nanoscale BioPhotonicsUniversity of AdelaideThe Commonwealth of AustraliaAdelaideAustralia
| | - Huiying Zhao
- Department of GeriatricsThe First Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Le Fang
- Department of NeurologyThe China‐Japan Union Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Xiaohui Wang
- State Key Laboratory of Natural and Biomimetic DrugsPeking UniversityBeijingPeople's Republic of China
- Laboratory of Chemical Biology, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiPeople's Republic of China
- Beijing National Laboratory for Molecular SciencesBeijingPeople's Republic of China
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Jîtcă G, Ősz BE, Vari CE, Rusz CM, Tero-Vescan A, Pușcaș A. Cannabidiol: Bridge between Antioxidant Effect, Cellular Protection, and Cognitive and Physical Performance. Antioxidants (Basel) 2023; 12:antiox12020485. [PMID: 36830042 PMCID: PMC9952814 DOI: 10.3390/antiox12020485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/08/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
The literature provides scientific evidence for the beneficial effects of cannabidiol (CBD), and these effects extend beyond epilepsy treatment (e.g., Lennox-Gastaut and Dravet syndromes), notably the influence on oxidative status, neurodegeneration, cellular protection, cognitive function, and physical performance. However, products containing CBD are not allowed to be marketed everywhere in the world, which may ultimately have a negative effect on health as a result of the uncontrolled CBD market. After the isolation of CBD follows the discovery of CB1 and CB2 receptors and the main enzymatic components (diacylglycerol lipase (DAG lipase), monoacyl glycerol lipase (MAGL), fatty acid amino hydrolase (FAAH)). At the same time, the antioxidant potential of CBD is due not only to the molecular structure but also to the fact that this compound increases the expression of the main endogenous antioxidant systems, superoxide dismutase (SOD), and glutathione peroxidase (GPx), through the nuclear complex erythroid 2-related factor (Nrf2)/Keep1. Regarding the role in the control of inflammation, this function is exercised by inhibiting (nuclear factor kappa B) NF-κB, and also the genes that encode the expression of molecules with a pro-inflammatory role (cytokines and metalloproteinases). The other effects of CBD on cognitive function and physical performance should not be excluded. In conclusion, the CBD market needs to be regulated more thoroughly, given the previously listed properties, with the mention that the safety profile is a very good one.
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Affiliation(s)
- George Jîtcă
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Bianca E. Ősz
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania
- Correspondence:
| | - Camil E. Vari
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Carmen-Maria Rusz
- Doctoral School of Medicine and Pharmacy, I.O.S.U.D, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Amelia Tero-Vescan
- Department of Biochemistry, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania
| | - Amalia Pușcaș
- Department of Biochemistry, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania
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Shi B, Chen M, Xia Z, Tang W, Li Y, Qin C, Ahmadi A, Huang C, Xu H. Genistein attenuates neuroinflammation and oxidative stress and improves cognitive impairment in a rat model of sepsis-associated encephalopathy: potential role of the Nrf2 signaling pathway. Metab Brain Dis 2023; 38:339-347. [PMID: 36301457 DOI: 10.1007/s11011-022-01076-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/30/2022] [Indexed: 02/03/2023]
Abstract
Oxidative stress and inflammation seem to be the main factors responsible for cognitive impairment in sepsis. Genistein (GEN) is claimed to exert many beneficial effects on health, however, its possible effects on brain sepsis remains unclear. Here, we assess the influence and underling mechanisms of GEN on cognitive impairments in cecal ligation and puncture (CLP)-induced septic model. Rats were randomly divided into Sham, Sham + GEN, CLP, CLP + GEN gropus. Rats were treated with GEN (15 mg/kg at 0 and 12 h after CLP, i.p). Twenty-four hours after CLP, protein levels of cytokines, NF-kB and Nrf2, myeloperoxidase (MPO) activity, oxidative damage to lipids and proteins, the activities of antioxidant enzymes and the expression of Nrf2-target genes were evaluated in the hippocampus. At 10 days after sepsis induction, behavioral tests were conducted to evaluate cognitive impairment. The results indicate that GEN can enhance survival percentage and improve cognitive function. Genistein administration significantly reduced TNF-α and IL-1β levels, MPO activity and protein level of NF-kB in the hippocampus of septic rats. Genistein also decreased the levels of oxidative stress parameters (MDA and protein carbonyls) and elevated the activities of the antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT) in septic rats. Furthermore, nuclear Nrf2 and the expression of HO-1 and NQO-1 were also elevated by GEN treatment. These findings suggest that GEN improves cognition impairment in septic rats via decreasing inflammatory responses and oxidative stress, and activation of the Nrf2 pathway.
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Affiliation(s)
- Buyun Shi
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China
| | - Ming Chen
- Department of Dermatology, Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, Wuhan City, China
| | - Zhi Xia
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China
| | - Wen Tang
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China
| | - Yong Li
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China
| | - Chenguang Qin
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China
| | - Amir Ahmadi
- Department of Pharmacy and Molecular Sciences, Faculty of Sciences, University of Shiraz, Shiraz, Iran
| | - Chengjiao Huang
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China
| | - Hui Xu
- Department of Pediatric Intensive Care Unit (PICU), Maternal and Child Health Hospital of Hubei Province (Women and Children's Hospital of Hubei Province), NO.745 Wuluo Road, Hongshan District, 430070, Wuhan City, Hubei Province, China.
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9
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Santiago-Castañeda C, Huerta de la Cruz S, Martínez-Aguirre C, Orozco-Suárez SA, Rocha L. Cannabidiol Reduces Short- and Long-Term High Glutamate Release after Severe Traumatic Brain Injury and Improves Functional Recovery. Pharmaceutics 2022; 14:pharmaceutics14081609. [PMID: 36015236 PMCID: PMC9414526 DOI: 10.3390/pharmaceutics14081609] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/16/2022] [Accepted: 07/29/2022] [Indexed: 12/04/2022] Open
Abstract
This study aimed to determine if orally administered cannabidiol (CBD) lessens the cortical over-release of glutamate induced by a severe traumatic brain injury (TBI) and facilitates functional recovery. The short-term experiment focused on identifying the optimal oral pretreatment of CBD. Male Wistar rats were pretreated with oral administration of CBD (50, 100, or 200 mg/kg) daily for 7 days. Then, extracellular glutamate concentration was estimated by cortical microdialysis before and immediately after a severe TBI. The long-term experiment focused on evaluating the effect of the optimal treatment of CBD (pre- vs. pre- and post-TBI) 30 days after trauma. Sensorimotor function, body weight, and mortality rate were evaluated. In the short term, TBI induced a high release of glutamate (738% ± 173%; p < 0.001 vs. basal). Oral pretreatment with CBD at all doses tested reduced glutamate concentration but with higher potency at when animals received 100 mg/kg (222 ± 33%, p < 0.01 vs. TBI), an effect associated with a lower mortality rate (22%, p < 0.001 vs. TBI). In the long-term experiment, the TBI group showed a high glutamate concentration (149% p < 0.01 vs. SHAM). In contrast, animals receiving the optimal treatment of CBD (pre- and pre/post-TBI) showed glutamate concentrations like the SHAM group (p > 0.05). This effect was associated with high sensorimotor function improvement. CBD pretreatment, but not pre-/post-treatment, induced a higher body weight gain (39% ± 2.7%, p < 0.01 vs. TBI) and lower mortality rate (22%, p < 0.01 vs. TBI). These results support that orally administered CBD reduces short- and long-term TBI-induced excitotoxicity and facilitated functional recovery. Indeed, pretreatment with CBD was sufficient to lessen the adverse sequelae of TBI.
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Affiliation(s)
- Cindy Santiago-Castañeda
- Department of Pharmacobiology, Center for Research and Advanced Studies (CINVESTAV), Mexico City 14330, Mexico; (C.S.-C.); (S.H.d.l.C.); (C.M.-A.)
| | - Saúl Huerta de la Cruz
- Department of Pharmacobiology, Center for Research and Advanced Studies (CINVESTAV), Mexico City 14330, Mexico; (C.S.-C.); (S.H.d.l.C.); (C.M.-A.)
| | - Christopher Martínez-Aguirre
- Department of Pharmacobiology, Center for Research and Advanced Studies (CINVESTAV), Mexico City 14330, Mexico; (C.S.-C.); (S.H.d.l.C.); (C.M.-A.)
| | - Sandra Adela Orozco-Suárez
- Unit for Medical Research in Neurological Diseases, Specialties Hospital, National Medical Center SXXI (CMN-SXXI), Mexico City 06720, Mexico;
| | - Luisa Rocha
- Department of Pharmacobiology, Center for Research and Advanced Studies (CINVESTAV), Mexico City 14330, Mexico; (C.S.-C.); (S.H.d.l.C.); (C.M.-A.)
- Correspondence: ; Tel.: +52-55-5483-2800
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10
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Basova LV, Lukkes SE, Milner R, Ellis RJ, Cherner M, Iudicello J, Marcondes MCG. Polygenic networks in peripheral leukocytes indicate patterns associated with HIV infection and context-dependent effects of cannabis use. Brain Behav Immun Health 2022; 20:100414. [PMID: 35128491 PMCID: PMC8808072 DOI: 10.1016/j.bbih.2022.100414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/17/2021] [Accepted: 01/10/2022] [Indexed: 11/26/2022] Open
Abstract
In spite of suppressive antiretroviral therapies (ART), Human Immunodeficiency Virus (HIV)-infected subjects still experience the consequences of viral persistence and chronic inflammation. In the brain, where most HIV-1 targets are of innate immune origin, neurological and cognitive impairments are detectable and enhanced by highly prevalent substance use disorders. Cannabis is one of the most prevalent substances among HIV+ subjects, compared to non-infected populations, either prescribed for improving various symptoms or used recreationally, as well as a component of polysubstance use. The mechanisms by which addictive substances and HIV interact are multifactorial and poorly understood. Importantly, the HIV brain target cells, macrophages and microglia, express receptors to neurotransmitters elevated by such drugs, and express receptors to cannabinoids, particularly CB2R. We have tested a panel of 784 transcripts associated with neurological disorders, digitally multiplexed and detectable in peripheral blood cells from a small cohort (n = 102) of HIV-positive (HIV+) and HIV-negative (HIV-) specimens, stratified based on criteria of lifetime (LT) dependence of cannabis (CAN+) or not (CAN-). Demographic homogeneity and low incidence of co-morbidities helped increase power and allowed the identification of key differences consistent with HIV infection, cannabis exposure, or their interactions. A small percentage of these subjects used cannabis as well as other drugs. The data was analyzed using robust systems and visualization strategies to detect orchestrated patterns in gene networks connected based on molecular interfaces with higher power than in single genes. We found that the effects of cannabis differed drastically between HIV- and HIV+ groups, particularly in gene networks playing a role in inflammation, neurodegeneration, apoptosis and leukocyte adhesion and transmigration. At the level of individual genes, we identified detrimental effects that were associated with polysubstance use as a covariate, particularly methamphetamine. Transcription factor usage predictions suggest that the effects of cannabis are associated with transcriptional co-regulation at the gene promoters by multiple factors that vary by context. Overall, we have found that the effects of cannabis may be context-dependent, with potential benefits in the context of HIV reflected by improvements in cognition, but in the absence of the polysubstance use component.
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Affiliation(s)
- Liana V. Basova
- San Diego Biomedical Research Institute, San Diego, CA, 92121, USA
| | | | - Richard Milner
- San Diego Biomedical Research Institute, San Diego, CA, 92121, USA
| | - Ronald J. Ellis
- Department of Psychiatry, University of California San Diego, San Diego, CA, 92093, USA
| | - Mariana Cherner
- Department of Psychiatry, University of California San Diego, San Diego, CA, 92093, USA
| | - Jennifer Iudicello
- Department of Psychiatry, University of California San Diego, San Diego, CA, 92093, USA
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11
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Corrê MDS, de Freitas BS, Machado GDB, Pires VN, Bromberg E, Hallak JEC, Zuardi AW, Crippa JAS, Schröder N. Cannabidiol reverses memory impairments and activates components of the Akt/GSK3β pathway in an experimental model of estrogen depletion. Behav Brain Res 2022; 417:113555. [PMID: 34450240 DOI: 10.1016/j.bbr.2021.113555] [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: 05/31/2021] [Revised: 08/16/2021] [Accepted: 08/23/2021] [Indexed: 11/28/2022]
Abstract
Clinical and preclinical evidence has indicated that estrogen depletion leads to memory impairments and increases the susceptibility to neural damage. Here, we have sought to investigate the effects of Cannabidiol (CBD) a non-psychotomimetic compound from Cannabis sativa, on memory deficits induced by estrogen depletion in rats, and its underlying mechanisms. Adult rats were subjected to bilateral ovariectomy, an established estrogen depletion model in rodents, or sham surgery and allowed to recover for three weeks. After that, they received daily injections of CBD (10 mg/kg) for fourteen days. Rats were tested in the inhibitory avoidance task, a type of emotionally-motivated memory. After behavioral testing they were euthanized, and their hippocampi were isolated for analysis of components of the Akt/GSK3β survival pathway and the antiapoptotic protein Bcl2. Results revealed that ovariectomy impaired avoidance memory, and CBD was able to completely reverse estrogen depletion-induced memory impairment. Ovariectomy also reduced Akt/GSK3β pathway's activation by decreasing the phosphorylation levels of Akt and GSK3β and Bcl2 levels, which were ameliorated by CBD. The present results indicate that CBD leads to a functional recovery accompanied by the Akt/GSK3β survival pathway's activation, supporting its potential as a treatment for estrogen decline-induced deterioration of neural functioning and maintenance.
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Affiliation(s)
- Márcio da Silveira Corrê
- Neurobiology and Developmental Biology Laboratory, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil; Faculty of Medicine, Department of Health, Integrated Regional University of Upper Uruguay and Missions, Erechim, Brazil
| | - Betânia Souza de Freitas
- Neurobiology and Developmental Biology Laboratory, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Gustavo Dalto Barroso Machado
- Neurobiology and Developmental Biology Laboratory, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Vivian Naziaseno Pires
- Neurobiology and Developmental Biology Laboratory, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Elke Bromberg
- Neurobiology and Developmental Biology Laboratory, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil; National Institute of Science and Technology for Translational Medicine (INCT-TM), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brasília, Brazil
| | - Jaime E C Hallak
- National Institute of Science and Technology for Translational Medicine (INCT-TM), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brasília, Brazil; Department of Neuroscience and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Antônio Waldo Zuardi
- National Institute of Science and Technology for Translational Medicine (INCT-TM), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brasília, Brazil; Department of Neuroscience and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - José Alexandre S Crippa
- National Institute of Science and Technology for Translational Medicine (INCT-TM), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brasília, Brazil; Department of Neuroscience and Behavioral Sciences, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Nadja Schröder
- National Institute of Science and Technology for Translational Medicine (INCT-TM), Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Brasília, Brazil; Department of Physiology, Institute for Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
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12
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Giorgi V, Marotto D, Batticciotto A, Atzeni F, Bongiovanni S, Sarzi-Puttini P. Cannabis and Autoimmunity: Possible Mechanisms of Action. Immunotargets Ther 2021; 10:261-271. [PMID: 34322454 PMCID: PMC8313508 DOI: 10.2147/itt.s267905] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022] Open
Abstract
Medical cannabis (MC) describes the usually inhaled or ingested use of a cannabis plant or cannabis extract for medicinal purposes. The action of whole cannabis plants is extremely complex because their large number of active compounds not only bind to a plethora of different receptors but also interact with each other both synergistically and otherwise. Renewed interest in the medicinal properties of cannabis has led to increasing research into the practical uses of cannabis derivatives, and it has been found that the endocannabinoid system (particularly CB2 receptor activation) is a possible target for the treatment of inflammatory and the autoimmune diseases related to immune cell activation. However, in vivo findings still lack, creating difficulties in applying translational cannabinoid research to human immune functions. In this review, we summarized the main mechanisms of action of medical cannabis plant especially regarding the immune system and the endocannabinoid system, looking at preliminary clinical data in three most important autoimmune diseases of three different specialities: rheumatoid arthritis, multiple sclerosis and inflammatory bowel disease.
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Affiliation(s)
- Valeria Giorgi
- Rheumatology Unit, Internal Medicine Department, ASST Fatebenefratelli-Sacco, Milan University School of Medicine, Milan, Italy
| | - Daniela Marotto
- Rheumatology Unit, ATS Sardegna, P. Dettori Hospital, Tempio Pausania, Italy
| | - Alberto Batticciotto
- Rheumatology Unit, Internal Medicine Department, ASST Settelaghi, Ospedale Di Circolo - Fondazione Macchi, Varese, Italy
| | - Fabiola Atzeni
- Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Sara Bongiovanni
- Rheumatology Unit, Internal Medicine Department, ASST Fatebenefratelli-Sacco, Milan University School of Medicine, Milan, Italy
| | - Piercarlo Sarzi-Puttini
- Rheumatology Unit, Internal Medicine Department, ASST Fatebenefratelli-Sacco, Milan University School of Medicine, Milan, Italy
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13
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De Sousa VL, Araújo SB, Antonio LM, Silva-Queiroz M, Colodeti LC, Soares C, Barros-Aragão F, Mota-Araujo HP, Alves VS, Coutinho-Silva R, Savio LEB, Ferreira ST, Da Costa R, Clarke JR, Figueiredo CP. Innate immune memory mediates increased susceptibility to Alzheimer's disease-like pathology in sepsis surviving mice. Brain Behav Immun 2021; 95:287-298. [PMID: 33838250 DOI: 10.1016/j.bbi.2021.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 03/12/2021] [Accepted: 04/03/2021] [Indexed: 12/14/2022] Open
Abstract
Sepsis survivors show long-term impairments, including alterations in memory and executive function. Evidence suggests that systemic inflammation contributes to the progression of Alzheimeŕs disease (AD), but the mechanisms involved in this process are still unclear. Boosted (trained) and diminished (tolerant) innate immune memory has been described in peripheral immune cells after sepsis. However, the occurrence of long-term innate immune memory in the post-septic brain is fully unexplored. Here, we demonstrate that sepsis causes long-lasting trained innate immune memory in the mouse brain, leading to an increased susceptibility to Aβ oligomers (AβO), central neurotoxins found in AD. Hippocampal microglia from sepsis-surviving mice shift to an amoeboid/phagocytic morphological profile when exposed to low amounts of AβO, and this event was accompanied by the upregulation of several pro-inflammatory proteins (IL-1β, IL-6, INF-γ and P2X7 receptor) in the mouse hippocampus, suggesting that a trained innate immune memory occurs in the brain after sepsis. Brain exposure to low amounts of AβO increased microglial phagocytic ability against hippocampal synapses. Pharmacological blockage of brain phagocytic cells or microglial depletion, using minocycline and colony stimulating factor 1 receptor inhibitor (PLX3397), respectively, prevents cognitive dysfunction induced by AβO in sepsis-surviving mice. Altogether, our findings suggest that sepsis induces a long-lasting trained innate immune memory in the mouse brain, leading to an increased susceptibility to AβO-induced neurotoxicity and cognitive impairment.
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Affiliation(s)
- Virginia L De Sousa
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Suzana B Araújo
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Leticia M Antonio
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Mariana Silva-Queiroz
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Lilian C Colodeti
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Carolina Soares
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Fernanda Barros-Aragão
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil; Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Hannah P Mota-Araujo
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Vinícius S Alves
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Robson Coutinho-Silva
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Luiz Eduardo B Savio
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Sergio T Ferreira
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil; Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil; Institute of Medical Biochemistry Leopoldo de Meis, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Robson Da Costa
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil
| | - Julia R Clarke
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil; Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil.
| | - Claudia P Figueiredo
- School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil; Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21944-590, Brazil.
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14
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Schofs L, Sparo MD, Sánchez Bruni SF. The antimicrobial effect behind Cannabis sativa. Pharmacol Res Perspect 2021; 9:e00761. [PMID: 33822478 PMCID: PMC8023331 DOI: 10.1002/prp2.761] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 03/01/2021] [Indexed: 12/11/2022] Open
Abstract
The development of multidrug-resistant bacteria has revealed the need for new antimicrobial compounds. Cannabis sativa preparations have a long history of medical applications, including the treatment of infectious diseases. This review collects the information about the activity of C. sativa extracts and its main components (cannabinoids and terpenes) against pathogenic bacteria and fungus, to assess its potential using as antimicrobial agents.
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Affiliation(s)
- Laureano Schofs
- Laboratory of Pharmacology, Faculty of Veterinary Medicine, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina.,Tandil Veterinary Research Center (CIVETAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Comisión de investigaciones científicas de la Provincia de Buenos Aires (CICPBA), Tandil, Argentina
| | - Mónica D Sparo
- Tandil Veterinary Research Center (CIVETAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Comisión de investigaciones científicas de la Provincia de Buenos Aires (CICPBA), Tandil, Argentina.,Clinical Department, Faculty of Health Sciences, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
| | - Sergio F Sánchez Bruni
- Laboratory of Pharmacology, Faculty of Veterinary Medicine, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina.,Tandil Veterinary Research Center (CIVETAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Comisión de investigaciones científicas de la Provincia de Buenos Aires (CICPBA), Tandil, Argentina
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15
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Malinowska B, Baranowska-Kuczko M, Kicman A, Schlicker E. Opportunities, Challenges and Pitfalls of Using Cannabidiol as an Adjuvant Drug in COVID-19. Int J Mol Sci 2021; 22:1986. [PMID: 33671463 PMCID: PMC7922403 DOI: 10.3390/ijms22041986] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection may lead to coronavirus disease 2019 (COVID-19) which, in turn, may be associated with multiple organ dysfunction. In this review, we present advantages and disadvantages of cannabidiol (CBD), a non-intoxicating phytocannabinoid from the cannabis plant, as a potential agent for the treatment of COVID-19. CBD has been shown to downregulate proteins responsible for viral entry and to inhibit SARS-CoV-2 replication. Preclinical studies have demonstrated its effectiveness against diseases of the respiratory system as well as its cardioprotective, nephroprotective, hepatoprotective, neuroprotective and anti-convulsant properties, that is, effects that may be beneficial for COVID-19. Only the latter two properties have been demonstrated in clinical studies, which also revealed anxiolytic and antinociceptive effects of CBD (given alone or together with Δ9-tetrahydrocannabinol), which may be important for an adjuvant treatment to improve the quality of life in patients with COVID-19 and to limit post-traumatic stress symptoms. However, one should be aware of side effects of CBD (which are rarely serious), drug interactions (also extending to drugs acting against COVID-19) and the proper route of its administration (vaping may be dangerous). Clearly, further clinical studies are necessary to prove the suitability of CBD for the treatment of COVID-19.
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Affiliation(s)
- Barbara Malinowska
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, 15-222 Białystok, Poland; (M.B.-K.); (A.K.)
| | - Marta Baranowska-Kuczko
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, 15-222 Białystok, Poland; (M.B.-K.); (A.K.)
- Department of Clinical Pharmacy, Medical University of Białystok, 15-222 Białystok, Poland
| | - Aleksandra Kicman
- Department of Experimental Physiology and Pathophysiology, Medical University of Białystok, 15-222 Białystok, Poland; (M.B.-K.); (A.K.)
| | - Eberhard Schlicker
- Department of Pharmacology and Toxicology, University of Bonn, 53127 Bonn, Germany
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16
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Healing autism spectrum disorder with cannabinoids: a neuroinflammatory story. Neurosci Biobehav Rev 2020; 121:128-143. [PMID: 33358985 DOI: 10.1016/j.neubiorev.2020.12.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/28/2020] [Accepted: 12/10/2020] [Indexed: 02/07/2023]
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder with a multifactorial etiology. Latest researches are raising the hypothesis of a link between the onset of the main behavioral symptoms of ASD and the chronic neuroinflammatory condition of the autistic brain; increasing evidence of this connection is shedding light on new possible players in the pathogenesis of ASD. The endocannabinoid system (ECS) has a key role in neurodevelopment as well as in normal inflammatory responses and it is not surprising that many preclinical and clinical studies account for alterations of the endocannabinoid signaling in ASD. These findings lay the foundation for a better understanding of the neurochemical mechanisms underlying ASD and for new therapeutic attempts aimed at exploiting the renowned anti-inflammatory properties of cannabinoids to treat pathologies encompassed in the autistic spectrum. This review discusses the current preclinical and clinical evidence supporting a key role of the ECS in the neuroinflammatory state that characterizes ASD, providing hints to identify new biomarkers in ASD and promising therapies for the future.
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Savi FF, de Oliveira A, de Medeiros GF, Bozza FA, Michels M, Sharshar T, Dal-Pizzol F, Ritter C. What animal models can tell us about long-term cognitive dysfunction following sepsis: A systematic review. Neurosci Biobehav Rev 2020; 124:386-404. [PMID: 33309906 DOI: 10.1016/j.neubiorev.2020.12.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 01/28/2023]
Abstract
Survivors of sepsis often develop long-term cognitive impairments. This review aimed at exploring the results of the behavioral tools and tests which have been used to evaluate cognitive dysfunction in different animal models of sepsis. Two independent investigators searched for sepsis- and cognition-related keywords. 6323 publications were found, of which 355 were selected based on their title, and 226 of these were chosen based on manuscript review. LPS was used to induce sepsis in 171 studies, while CLP was used in 55 studies. Inhibitory avoidance was the most widely used method for assessing aversive memory, followed by fear conditioning and continuous multi-trial inhibitory avoidance. With regard to non-aversive memory, most studies used the water maze, open-field, object recognition, Y-maze, plus maze, and radial maze tests. Both CLP and LPS models of sepsis were effective in inducing short- and long-term behavioral impairment. Our findings help elucidate the mechanisms involved in the pathophysiology of sepsis-induced cognitive changes, as well as the available methods and tests used to study this in animal models.
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Affiliation(s)
- Felipe Figueredo Savi
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil
| | - Alexandre de Oliveira
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil
| | | | - Fernando Augusto Bozza
- Laboratório de Medicina Intensiva, Instituto Nacional de Infectologia Evandro Chagas (INI), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
| | - Monique Michels
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil
| | - Tarek Sharshar
- Laboratoire de Neuropathologie Expérimentale, Institut Pasteur, Paris, France; Department of Neuro-Intensive Care Medicine, Sainte-Anne Hospital, Paris-Descartes University, Paris, France
| | - Felipe Dal-Pizzol
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil; Laboratoire de Neuropathologie Expérimentale, Institut Pasteur, Paris, France
| | - Cristiane Ritter
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, Brazil.
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18
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Bloomfield MAP, Green SF, Hindocha C, Yamamori Y, Yim JLL, Jones APM, Walker HR, Tokarczuk P, Statton B, Howes OD, Curran HV, Freeman TP. The effects of acute cannabidiol on cerebral blood flow and its relationship to memory: An arterial spin labelling magnetic resonance imaging study. J Psychopharmacol 2020; 34:981-989. [PMID: 32762272 PMCID: PMC7436497 DOI: 10.1177/0269881120936419] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Cannabidiol (CBD) is being investigated as a potential treatment for several medical indications, many of which are characterised by altered memory processing. However, the mechanisms underlying these effects are unclear. AIMS Our primary aim was to investigate how CBD influences cerebral blood flow (CBF) in regions involved in memory processing. Our secondary aim was to determine if the effects of CBD on CBF were associated with differences in working and episodic memory task performance. METHODS We used a randomised, crossover, double-blind design in which 15 healthy participants were administered 600 mg oral CBD or placebo on separate days. We measured regional CBF at rest using arterial spin labelling 3 h after drug ingestion. We assessed working memory with the digit span (forward, backward) and n-back (0-back, 1-back, 2-back) tasks, and we used a prose recall task (immediate and delayed) to assess episodic memory. RESULTS CBD increased CBF in the hippocampus (mean (95% confidence intervals) = 15.00 (5.78-24.21) mL/100 g/min, t14 = 3.489, Cohen's d = 0.75, p = 0.004). There were no differences in memory task performance, but there was a significant correlation whereby greater CBD-induced increases in orbitofrontal CBF were associated with reduced reaction time on the 2-back working memory task ( r= -0.73, p = 0.005). CONCLUSIONS These findings suggest that CBD increases CBF to key regions involved in memory processing, particularly the hippocampus. These results identify potential mechanisms of CBD for a range of conditions associated with altered memory processing, including Alzheimer's disease, schizophrenia, post-traumatic stress disorder and cannabis-use disorders.
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Affiliation(s)
- Michael A P Bloomfield
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK,Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, UK,Psychiatric Imaging Group, Medical Research Council London Institute of Medical Sciences, Imperial College London, Hammersmith Hospital, London, UK,NIHR University College Hospitals London Biomedical Research Centre, University College London, London, UK,The Traumatic Stress Clinic, St Pancras Hospital, Camden and Islington NHS Foundation Trust, London, UK,National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, UK,Michael Bloomfield, Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, University College London, Maple House, Tottenham Court Road, London W1T 7NF, UK.
| | - Sebastian F Green
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK
| | - Chandni Hindocha
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK,Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, UK,NIHR University College Hospitals London Biomedical Research Centre, University College London, London, UK
| | - Yumeya Yamamori
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK
| | - Jocelyn Lok Ling Yim
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK
| | - Augustus P M Jones
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK
| | - Hannah R Walker
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK
| | - Pawel Tokarczuk
- Medical Research Council London Institute of Medical Sciences, Imperial College London, Hammersmith Hospital, London, UK
| | - Ben Statton
- Medical Research Council London Institute of Medical Sciences, Imperial College London, Hammersmith Hospital, London, UK
| | - Oliver D Howes
- Psychiatric Imaging Group, Medical Research Council London Institute of Medical Sciences, Imperial College London, Hammersmith Hospital, London, UK,Psychosis Studies Department, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - H Valerie Curran
- Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, UK,NIHR University College Hospitals London Biomedical Research Centre, University College London, London, UK
| | - Tom P Freeman
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Institute of Mental Health, University College London, London, UK,Department of Psychology, University of Bath, Bath, UK,Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, UK
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19
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Distinctive Evidence Involved in the Role of Endocannabinoid Signalling in Parkinson's Disease: A Perspective on Associated Therapeutic Interventions. Int J Mol Sci 2020; 21:ijms21176235. [PMID: 32872273 PMCID: PMC7504186 DOI: 10.3390/ijms21176235] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 08/26/2020] [Accepted: 08/27/2020] [Indexed: 02/06/2023] Open
Abstract
Current pharmacotherapy of Parkinson's disease (PD) is symptomatic and palliative, with levodopa/carbidopa therapy remaining the prime treatment, and nevertheless, being unable to modulate the progression of the neurodegeneration. No available treatment for PD can enhance the patient's life-quality by regressing this diseased state. Various studies have encouraged the enrichment of treatment possibilities by discovering the association of the effects of the endocannabinoid system (ECS) in PD. These reviews delineate the reported evidence from the literature on the neuromodulatory role of the endocannabinoid system and expression of cannabinoid receptors in symptomatology, cause, and treatment of PD progression, wherein cannabinoid (CB) signalling experiences alterations of biphasic pattern during PD progression. Published papers to date were searched via MEDLINE, PubMed, etc., using specific key words in the topic of our manuscript. Endocannabinoids regulate the basal ganglia neuronal circuit pathways, synaptic plasticity, and motor functions via communication with dopaminergic, glutamatergic, and GABAergic signalling systems bidirectionally in PD. Further, gripping preclinical and clinical studies demonstrate the context regarding the cannabinoid compounds, which is supported by various evidence (neuroprotection, suppression of excitotoxicity, oxidative stress, glial activation, and additional benefits) provided by cannabinoid-like compounds (much research addresses the direct regulation of cannabinoids with dopamine transmission and other signalling pathways in PD). More data related to endocannabinoids efficacy, safety, and pharmacokinetic profiles need to be explored, providing better insights into their potential to ameliorate or even regress PD.
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20
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Costiniuk CT, Jenabian MA. Acute inflammation and pathogenesis of SARS-CoV-2 infection: Cannabidiol as a potential anti-inflammatory treatment? Cytokine Growth Factor Rev 2020; 53:63-65. [PMID: 32467020 PMCID: PMC7239000 DOI: 10.1016/j.cytogfr.2020.05.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 05/16/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Cecilia T Costiniuk
- Infectious Diseases and Immunity in Global Health, Research Institute of McGill University Health Centre, Montreal, QC, Canada; Division of Infectious Diseases/Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC, Canada; Department of Microbiology & Immunology, McGill University, Montreal, QC, Canada.
| | - Mohammad-Ali Jenabian
- Department of Microbiology & Immunology, McGill University, Montreal, QC, Canada; Department of Biological Sciences, Université du Québec à Montréal, Montreal, QC, Canada; Département de microbiologie, infectiologie et immunologie, Université de Montréal, Canada.
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21
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Cuba LDF, Salum FG, Guimarães FS, Cherubini K, Borghetti RL, de Figueiredo MAZ. Cannabidiol on 5-FU-induced oral mucositis in mice. Oral Dis 2020; 26:1483-1493. [PMID: 32400905 DOI: 10.1111/odi.13413] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 04/17/2020] [Accepted: 05/03/2020] [Indexed: 01/06/2023]
Abstract
PURPOSE The aim of this study was to evaluate the clinical, histological, hematological, and oxidative stress effects of cannabidiol (CBD) in mice with induced oral mucositis. METHODS We used 90 mice of the CF-1 strain in which oral mucositis was induced using a protocol with 5-fluorouracil (5-FU) chemotherapy. The animals were divided randomly into 10 study groups. Three groups were treated with different doses of CBD (3, 10, and 30 mg/kg), while 2 were control groups (positive control: 5-FU + mechanical trauma + placebo; and negative control: mechanical trauma + placebo), and 2 experimental times were studied (4 and 7 days). All treatments were by intraperitoneal administration. RESULTS In the clinical evaluation, the groups treated with CBD showed less severity of oral lesions compared with the positive control at both experimental times. The intensity of the inflammatory response was also lower in the groups treated with this drug, but there was no statistically significant difference when compared with the positive control. With regard to erythrocyte, leukocyte, and platelet counts and anti-oxidant enzyme activity, the groups treated with CBD showed better results, but only some of these variables showed statistically significant differences. CONCLUSIONS CBD seems to exert an anti-inflammatory and anti-oxidant activity favoring a faster resolution of oral mucositis in this animal model.
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Affiliation(s)
- Letícia de Freitas Cuba
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.,Division of Oral Medicine, Paranaense University (UNIPAR), Paraná, Brazil
| | - Fernanda Gonçalves Salum
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | | | - Karen Cherubini
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
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Abstract
Introduction: Cannabidiol (CBD) as Epidiolex® (GW Pharmaceuticals) was recently approved by the U.S. Food and Drug Administration (FDA) to treat rare forms of epilepsy in patients 2 years of age and older. Together with the increased societal acceptance of recreational cannabis and CBD oil for putative medical use in many states, the exposure to CBD is increasing, even though all of its biological effects are not understood. Once such example is the ability of CBD to be anti-inflammatory and immune suppressive, so the purpose of this review is to summarize effects and mechanisms of CBD in the immune system. It includes a consideration of reports identifying receptors through which CBD acts, since the “CBD receptor,” if a single one exists, has not been definitively identified for the myriad immune system effects. The review then provides a summary of in vivo and in vitro effects in the immune system, in autoimmune models, with a focus on experimental autoimmune encephalomyelitis, and ends with identification of knowledge gaps. Conclusion: Overall, the data overwhelmingly support the notion that CBD is immune suppressive and that the mechanisms involve direct suppression of activation of various immune cell types, induction of apoptosis, and promotion of regulatory cells, which, in turn, control other immune cell targets.
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Affiliation(s)
- James M Nichols
- Department of Basic Sciences, Center for Environmental Health Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Barbara L F Kaplan
- Department of Basic Sciences, Center for Environmental Health Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
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23
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Chronic Cannabidiol Administration Fails to Diminish Blood Pressure in Rats with Primary and Secondary Hypertension Despite Its Effects on Cardiac and Plasma Endocannabinoid System, Oxidative Stress and Lipid Metabolism. Int J Mol Sci 2020; 21:ijms21041295. [PMID: 32075117 PMCID: PMC7072941 DOI: 10.3390/ijms21041295] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 12/12/2022] Open
Abstract
We investigated the influence of cannabidiol (CBD) on blood pressure (BP) and heart rate (HR) in spontaneously (SHR) and deoxycorticosterone (DOCA-salt) hypertensive rats. Hypertension was connected with increases in cardiac and plasma markers of lipid peroxidation in both models, whereas cardiac endocannabinoid levels decreased in SHR and increased in DOCA-salt. CBD (10 mg/kg once a day for 2 weeks) did not modify BP and HR in hypertension but counteracted pro-oxidant effects. Moreover, it decreased cardiac or plasma levels of anandamide, 2-arachidonoylglycerol and oleoyl ethanolamide in DOCA-salt and inhibited the activity of fatty acid amide hydrolase (FAAH) in both models. In the respective normotensive control rats, CBD increased lipid peroxidation, free fatty acid levels and FAAH activity. In conclusion, chronic CBD administration does not possess antihypertensive activity in a model of primary and secondary (DOCA-salt) hypertension, despite its antioxidant effect. The latter may be direct rather than based on the endocannabinoid system. The unexpected CBD-related increase in lipid peroxidation in normotensive controls may lead to untoward effects; thus, caution should be kept if CBD is used therapeutically.
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Abstract
ABSTRACT:Cannabidiol (CBD) has been generating increasing interest in medicine due to its therapeutic properties and an apparent lack of negative side effects. Research has suggested that high dosages of CBD can be taken acutely and chronically with little to no risk. This review focuses on the neuroprotective effects of a CBD, with an emphasis on its implications for recovering from a mild traumatic brain injury (TBI) or concussion. CBD has been shown to influence the endocannabinoid system, both by affecting cannabinoid receptors and other receptors involved in the endocannabinoid system such as vanilloid receptor 1, adenosine receptors, and 5-hydroxytryptamine via cannabinoid receptor-independent mechanisms. Concussions can result in many physiological consequences, potentially resulting in post-concussion syndrome. While impairments in cerebrovascular and cardiovascular physiology following concussion have been shown, there is unfortunately still no single treatment available to enhance recovery. CBD has been shown to influence the blood brain barrier, brain-derived neurotrophic factors, cognitive capacity, the cerebrovasculature, cardiovascular physiology, and neurogenesis, all of which have been shown to be altered by concussion. CBD can therefore potentially provide treatment to enhance neuroprotection by reducing inflammation, regulating cerebral blood flow, enhancing neurogenesis, and protecting the brain against reactive oxygen species. Double-blind randomized controlled trials are still required to validate the use of CBD as medication following mild TBIs, such as concussion.
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25
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Dinu AR, Rogobete AF, Bratu T, Popovici SE, Bedreag OH, Papurica M, Bratu LM, Sandesc D. Cannabis Sativa Revisited-Crosstalk between microRNA Expression, Inflammation, Oxidative Stress, and Endocannabinoid Response System in Critically Ill Patients with Sepsis. Cells 2020; 9:E307. [PMID: 32012914 PMCID: PMC7072707 DOI: 10.3390/cells9020307] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/24/2020] [Accepted: 01/26/2020] [Indexed: 02/06/2023] Open
Abstract
Critically ill patients with sepsis require a multidisciplinary approach, as this situation implies multiorgan distress, with most of the bodily biochemical and cellular systems being affected by the condition. Moreover, sepsis is characterized by a multitude of biochemical interactions and by dynamic changes of the immune system. At the moment, there is a gap in our understanding of the cellular, genetic, and molecular mechanisms involved in sepsis. One of the systems intensely studied in recent years is the endocannabinoid signaling pathway, as light was shed over a series of important interactions of cannabinoid receptors with biochemical pathways, specifically for sepsis. Furthermore, a series of important implications on inflammation and the immune system that are induced by the activity of cannabinoid receptors stimulated by the delta-9-tetrahydrocannabinol (Δ9-THC) and cannabidiol (CBD) have been noticed. One of the most important is their ability to reduce the biosynthesis of pro-inflammatory mediators and the modulation of immune mechanisms. Different studies have reported that cannabinoids can reduce oxidative stress at mitochondrial and cellular levels. The aim of this review paper was to present, in detail, the important mechanisms modulated by the endocannabinoid signaling pathway, as well as of the molecular and cellular links it has with sepsis. At the same time, we wish to present the possible implications of cannabinoids in the most important biological pathways involved in sepsis, such as inflammation, redox activity, immune system, and epigenetic expression.
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Affiliation(s)
- Anca Raluca Dinu
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
| | - Alexandru Florin Rogobete
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
- Clinic of Anaesthesia and Intensive Care, Emergency County Hospital “Pius Brinzeu”, 325100 Timisoara, Romania
| | - Tiberiu Bratu
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
| | - Sonia Elena Popovici
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
- Clinic of Anaesthesia and Intensive Care, Emergency County Hospital “Pius Brinzeu”, 325100 Timisoara, Romania
| | - Ovidiu Horea Bedreag
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
- Clinic of Anaesthesia and Intensive Care, Emergency County Hospital “Pius Brinzeu”, 325100 Timisoara, Romania
| | - Marius Papurica
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
- Clinic of Anaesthesia and Intensive Care, Emergency County Hospital “Pius Brinzeu”, 325100 Timisoara, Romania
| | - Lavinia Melania Bratu
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
| | - Dorel Sandesc
- Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.R.D.); (A.F.R.); (S.E.P.); (M.P.); (L.M.B.); (D.S.)
- Clinic of Anaesthesia and Intensive Care, Emergency County Hospital “Pius Brinzeu”, 325100 Timisoara, Romania
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26
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Osborne AL, Solowij N, Babic I, Lum JS, Newell KA, Huang XF, Weston-Green K. Effect of cannabidiol on endocannabinoid, glutamatergic and GABAergic signalling markers in male offspring of a maternal immune activation (poly I:C) model relevant to schizophrenia. Prog Neuropsychopharmacol Biol Psychiatry 2019; 95:109666. [PMID: 31202911 DOI: 10.1016/j.pnpbp.2019.109666] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/27/2019] [Accepted: 06/05/2019] [Indexed: 12/21/2022]
Abstract
The mainstay treatment for schizophrenia is antipsychotic drugs (APDs), which are mostly effective against the positive symptoms (e.g. hallucinations), but provide minimal benefits for the negative symptoms (e.g. social withdrawal) and cognitive deficits. We have recently shown that treatment with the non-intoxicating phytocannabinoid, cannabidiol (CBD), can improve cognition and social interaction deficits in a maternal immune activation (MIA) model relevant to the aetiology of schizophrenia, however, the mechanisms underlying this effect are unknown. An imbalance in the main excitatory (glutamate) and inhibitory (GABA) neurotransmitter systems in the brain plays a role in the pathophysiology of schizophrenia. Therefore, the endocannabinoid system could represent a therapeutic target for schizophrenia as a regulator of glutamate and GABA release via the CB1 receptor (CB1R). This study investigated the effects of chronic CBD treatment on markers of glutamatergic, GABAergic and endocannabinoid signalling in brain regions implicated in social behaviour and cognitive function, including the prefrontal cortex (PFC) and hippocampus (HPC). Time-mated pregnant Sprague-Dawley rats (n = 16) were administered poly I:C (4 mg/kg, i.v.) or saline (control) on gestational day 15. Male offspring were injected with CBD (10 mg/kg, i.p.) or vehicle twice daily from postnatal day 56 for 3 weeks. The prefrontal cortex (PFC) and hippocampus (HPC) were collected for post-mortem receptor binding and Western blot analyses (n = 8 per group). CBD treatment attenuated poly I:C-induced deficits in cannabinoid CB1 receptor binding in the PFC and glutamate decarboxylase 67, the enzyme that converts glutamate to GABA, in the HPC. CBD treatment increased parvalbumin levels in the HPC, regardless of whether offspring were exposed to poly I:C in utero. Conversely, CBD did not affect N-methyl-d-aspartate receptor and gamma-aminobutyric acid (GABA) A receptor binding or protein levels of fatty acid amide hydrolase, the enzyme that degrades the endocannabinoid, anandamide. Overall, these findings show that CBD can restore cannabinoid/GABAergic signalling deficits in regions of the brain implicated in schizophrenia pathophysiology following maternal poly I:C exposure. These findings provide novel evidence for the potential mechanisms underlying the therapeutic effects of CBD treatment in the poly I:C model.
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Affiliation(s)
- Ashleigh L Osborne
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Nadia Solowij
- School of Psychology, University of Wollongong, and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW 2305, Australia
| | - Ilijana Babic
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia; Illawarra and Shoalhaven Health District, Wollongong, NSW 2500, Australia
| | - Jeremy S Lum
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Kelly A Newell
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Xu-Feng Huang
- Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia; Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW 2305, Australia
| | - Katrina Weston-Green
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia; Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW 2305, Australia.
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27
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Kozela E, Krawczyk M, Kos T, Juknat A, Vogel Z, Popik P. Cannabidiol Improves Cognitive Impairment and Reverses Cortical Transcriptional Changes Induced by Ketamine, in Schizophrenia-Like Model in Rats. Mol Neurobiol 2019; 57:1733-1747. [PMID: 31823199 DOI: 10.1007/s12035-019-01831-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 11/01/2019] [Indexed: 12/26/2022]
Abstract
Cannabidiol (CBD), a non-psychotropic cannabinoid, demonstrates antipsychotic-like and procognitive activities in humans and in animal models of schizophrenia. The mechanisms of these beneficial effects of CBD are unknown. Here, we examined behavioral effects of CBD in a pharmacological model of schizophrenia-like cognitive deficits induced by repeated ketamine (KET) administration. In parallel, we assessed transcriptional changes behind CBD activities in the prefrontal cortex (PFC), the main brain area linked to schizophrenia-like pathologies. Male Sprague-Dawley rats were injected for 10 days with KET followed by 6 days of CBD. The cognitive performance was evaluated in the novel object recognition test followed by PFC dissections for next-generation sequencing (RNA-Seq) analysis and bioinformatics. We observed that KET-induced learning deficits were rescued by CBD (7.5 mg/kg). Similarly, CBD reversed transcriptional changes induced by KET. The majority of the genes affected by KET and KET-CBD were allocated to astroglial and microglial cells and associated with immune-like processes mediating synaptogenesis and neuronal plasticity. These genes include C1qc, C1qa, C1qb, C2, and C3 complement cascade elements, Irf8 factor and Gpr84, Gpr34, Cx3cr1, P2ry12, and P2ry6 receptors. The main pathway regulators predicted to be involved included TGFβ1 and IFNγ. In addition, CBD itself upregulated oxytocin mRNA in the PFC. The present data suggest that KET induces cognitive deficits and transcriptional changes in the PFC and that both effects are sensitive to a reversal by CBD treatment.
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Affiliation(s)
- Ewa Kozela
- The Dr Miriam and Sheldon G. Adelson Center for the Biology of Addictive Diseases, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel.
| | - Martyna Krawczyk
- Department of Behavioral Neuroscience & Drug Development, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Tomasz Kos
- Department of Behavioral Neuroscience & Drug Development, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
| | - Ana Juknat
- The Dr Miriam and Sheldon G. Adelson Center for the Biology of Addictive Diseases, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Zvi Vogel
- The Dr Miriam and Sheldon G. Adelson Center for the Biology of Addictive Diseases, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Piotr Popik
- Department of Behavioral Neuroscience & Drug Development, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
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Branca JJV, Morucci G, Becatti M, Carrino D, Ghelardini C, Gulisano M, Di Cesare Mannelli L, Pacini A. Cannabidiol Protects Dopaminergic Neuronal Cells from Cadmium. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16224420. [PMID: 31718076 PMCID: PMC6888634 DOI: 10.3390/ijerph16224420] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/01/2019] [Accepted: 11/05/2019] [Indexed: 12/17/2022]
Abstract
The protective effect of cannabidiol (CBD), the non-psychoactive component of Cannabis sativa, against neuronal toxicity induced by cadmium chloride (CdCl2 10 μM) was investigated in a retinoic acid (RA)-differentiated SH-SY5Y neuroblastoma cell line. CBD (1 μM) was applied 24 h before and removed during cadmium (Cd) treatment. In differentiated neuronal cells, CBD significantly reduced the Cd-dependent decrease of cell viability, and the rapid reactive oxygen species (ROS) increase. CBD significantly prevented the endoplasmic reticulum (ER) stress (GRP78 increase) and the subcellular distribution of the cytochrome C, as well as the overexpression of the pro-apoptotic protein BAX. Immunocytochemical analysis as well as quantitative protein evaluation by western blotting revealed that CBD partially counteracted the depletion of the growth associated protein 43 (GAP43) and of the neuronal specific class III β-tubulin (β3 tubulin) induced by Cd treatment. These data showed that Cd-induced neuronal injury was ameliorated by CBD treatment and it was concluded that CBD may represent a potential option to protect neuronal cells from the detrimental effects of Cd toxicity.
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Affiliation(s)
- Jacopo Junio Valerio Branca
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
- Correspondence: (J.J.V.B.); (G.M.); Tel.: +39-055-2758067 (J.J.V.B.)
| | - Gabriele Morucci
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
- Correspondence: (J.J.V.B.); (G.M.); Tel.: +39-055-2758067 (J.J.V.B.)
| | - Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy;
| | - Donatello Carrino
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, 50139 Firenze, Italy; (C.G.); (L.D.C.M.)
| | - Massimo Gulisano
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, 50139 Firenze, Italy; (C.G.); (L.D.C.M.)
| | - Alessandra Pacini
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
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Abstract
Research in the cannabinoid field, namely on phytocannabinoids, the endogenous cannabinoids anandamide and 2-arachidonoyl glycerol and their metabolizing and synthetic enzymes, the cannabinoid receptors, and anandamide-like cannabinoid compounds, has expanded tremendously over the last few years. Numerous endocannabinoid-like compounds have been discovered. The Cannabis plant constituent cannabidiol (CBD) was found to exert beneficial effects in many preclinical disease models ranging from epilepsy, cardiovascular disease, inflammation, and autoimmunity to neurodegenerative and kidney diseases and cancer. CBD was recently approved in the United States for the treatment of rare forms of childhood epilepsy. This has triggered the development of many CBD-based products for human use, often with overstated claims regarding their therapeutic effects. In this article, the recently published research on the chemistry and biological effects of plant cannabinoids (specifically CBD), endocannabinoids, certain long-chain fatty acid amides, and the variety of relevant receptors is critically reviewed.
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Affiliation(s)
- Pal Pacher
- Laboratory of Cardiovascular Physiology and Tissue Injury and National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland 20852, USA;
| | - Natalya M Kogan
- Institute for Drug Research, Faculty of Medicine, Hebrew University, Jerusalem 9112102, Israel;
| | - Raphael Mechoulam
- Institute for Drug Research, Faculty of Medicine, Hebrew University, Jerusalem 9112102, Israel;
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30
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Osborne AL, Solowij N, Babic I, Lum JS, Huang XF, Newell KA, Weston-Green K. Cannabidiol improves behavioural and neurochemical deficits in adult female offspring of the maternal immune activation (poly I:C) model of neurodevelopmental disorders. Brain Behav Immun 2019; 81:574-587. [PMID: 31326506 DOI: 10.1016/j.bbi.2019.07.018] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 07/03/2019] [Accepted: 07/15/2019] [Indexed: 11/18/2022] Open
Abstract
Cognitive impairment is a major source of disability in schizophrenia and current antipsychotic drugs (APDs) have minimal efficacy for this symptom domain. Cannabidiol (CBD), the major non-intoxicating component of Cannabis sativa L., exhibits antipsychotic and neuroprotective properties. We recently reported the effects of CBD on cognition in male offspring of a maternal immune activation (polyinosinic-polycytidilic acid (poly I:C)) model relevant to the aetiology of schizophrenia; however, the effects of CBD treatment in females are unknown. Sex differences are observed in the onset of schizophrenia symptoms and response to APD treatment. Furthermore, the endogenous cannabinoid system, a direct target of CBD, is sexually dimorphic in humans and rodents. Therefore, the present work aimed to assess the therapeutic impact of CBD treatment on behaviour and neurochemical signalling markers in female poly I:C offspring. Time-mated pregnant Sprague-Dawley rats (n = 16) were administered poly I:C (4 mg/kg; i.v.) or saline (control) on gestational day 15. From postnatal day 56, female offspring received CBD (10 mg/kg, i.p.) or vehicle treatment for approximately 3 weeks. Following 2 weeks of CBD treatment, offspring underwent behavioural testing, including the novel object recognition, rewarded alternation T-maze and social interaction tests to assess recognition memory, working memory and sociability, respectively. After 3 weeks of CBD treatment, the prefrontal cortex (PFC) and hippocampus (HPC) were collected to assess effects on endocannabinoid, glutamatergic and gamma-aminobutyric acid (GABA) signalling markers. CBD attenuated poly I:C-induced deficits in recognition memory, social interaction and glutamatergic N-methyl-d-aspartate receptor (NMDAR) binding in the PFC of poly I:C offspring. Working memory performance was similar between treatment groups. CBD also increased glutamate decarboxylase 67, the rate-limiting enzyme that converts glutamate to GABA, and parvalbumin protein levels in the HPC. In contrast to the CBD treatment effects observed in poly I:C offspring, CBD administration to control rats reduced social interaction, cannabinoid CB1 receptor and NMDAR binding density in the PFC, suggesting that CBD administration to healthy rats may have negative consequences on social behaviour and brain maturation in adulthood. Overall, the findings of this study support the therapeutic benefits of CBD on recognition memory and sociability in female poly I:C offspring, and provide insight into the neurochemical changes that may underlie the therapeutic benefits of CBD in the poly I:C model.
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Affiliation(s)
- Ashleigh L Osborne
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Nadia Solowij
- School of Psychology, Faculty of Social Sciences, University of Wollongong, and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW 2305, Australia
| | - Ilijana Babic
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; Illawarra and Shoalhaven Local Health District, Wollongong, NSW 2500, Australia
| | - Jeremy S Lum
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Xu-Feng Huang
- Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW 2305, Australia
| | - Kelly A Newell
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Katrina Weston-Green
- Neuropharmacology and Molecular Psychiatry Laboratory, School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia; Centre for Translational Neuroscience, Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW 2522, Australia; Australian Centre for Cannabinoid Clinical and Research Excellence, New Lambton Heights, NSW 2305, Australia.
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31
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Ney LJ, Matthews A, Bruno R, Felmingham KL. Cannabinoid interventions for PTSD: Where to next? Prog Neuropsychopharmacol Biol Psychiatry 2019; 93:124-140. [PMID: 30946942 DOI: 10.1016/j.pnpbp.2019.03.017] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/20/2019] [Accepted: 03/29/2019] [Indexed: 01/18/2023]
Abstract
Cannabinoids are a promising method for pharmacological treatment of post-traumatic stress disorder (PTSD). Despite considerable research devoted to the effect of cannabinoid modulation on PTSD symptomology, there is not a currently agreed way by which the cannabinoid system should be targeted in humans. In this review, we present an overview of recent research identifying neurological pathways by which different cannabinoid-based treatments may exert their effects on PTSD symptomology. We evaluate the strengths and weaknesses of each of these different approaches, including recent challenges presented to favourable options such as fatty acid amide hydrolase (FAAH) inhibitors. This article makes the strengths and challenges of different potential cannabinoid treatments accessible to psychological researchers interested in cannabinoid therapeutics and aims to aid selection of appropriate tools for future clinical trials.
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Affiliation(s)
- Luke J Ney
- School of Psychology, University of Tasmania, Australia.
| | | | | | - Kim L Felmingham
- School of Psychological Sciences, University of Melbourne, Australia
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32
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Cannabidiol attenuates mechanical allodynia in streptozotocin-induced diabetic rats via serotonergic system activation through 5-HT1A receptors. Brain Res 2019; 1715:156-164. [DOI: 10.1016/j.brainres.2019.03.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 02/05/2019] [Accepted: 03/16/2019] [Indexed: 12/30/2022]
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33
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Ingram G, Pearson OR. Cannabis and multiple sclerosis. Pract Neurol 2019; 19:310-315. [PMID: 31201234 DOI: 10.1136/practneurol-2018-002137] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/22/2019] [Accepted: 03/26/2019] [Indexed: 12/20/2022]
Abstract
Patients with multiple sclerosis have long turned to complementary therapies to manage symptoms that licensed products can only partially control. Around half of patients with multiple sclerosis admit to previous or current cannabis use for medicinal purposes and would endorse legalisation. Despite many governments worldwide relaxing regulations around medicinal cannabis, there remain many unanswered questions as to how clinicians should prescribe or recommend products, and access to pharmaceutical-grade products remains highly restricted. Here we address what adult neurologists need to know about cannabis and its use in multiple sclerosis.
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34
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Brook E, Mamo J, Wong R, Al-Salami H, Falasca M, Lam V, Takechi R. Blood-brain barrier disturbances in diabetes-associated dementia: Therapeutic potential for cannabinoids. Pharmacol Res 2019; 141:291-297. [DOI: 10.1016/j.phrs.2019.01.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/11/2018] [Accepted: 01/04/2019] [Indexed: 02/07/2023]
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35
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Crippa JA, Guimarães FS, Campos AC, Zuardi AW. Translational Investigation of the Therapeutic Potential of Cannabidiol (CBD): Toward a New Age. Front Immunol 2018; 9:2009. [PMID: 30298064 PMCID: PMC6161644 DOI: 10.3389/fimmu.2018.02009] [Citation(s) in RCA: 161] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 08/14/2018] [Indexed: 12/26/2022] Open
Abstract
Background: Among the many cannabinoids in the cannabis plant, cannabidiol (CBD) is a compound that does not produce the typical subjective effects of marijuana. Objectives: The aim of the present review is to describe the main advances in the development of the experimental and clinical use of cannabidiol CBD in neuropsychiatry. Methods: A non-systematic search was performed for studies dealing with therapeutic applications of CBD, especially performed by Brazilian researchers. Results: CBD was shown to have anxiolytic, antipsychotic and neuroprotective properties. In addition, basic and clinical investigations on the effects of CBD have been carried out in the context of many other health conditions, including its potential use in epilepsy, substance abuse and dependence, schizophrenia, social phobia, post-traumatic stress, depression, bipolar disorder, sleep disorders, and Parkinson. Discussion: CBD is an useful and promising molecule that may help patients with a number of clinical conditions. Controlled clinical trials with different neuropsychiatric populations that are currently under investigation should bring important answers in the near future and support the translation of research findings to clinical settings.
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Affiliation(s)
- José A. Crippa
- Department of Neurosciences and Behavior, Faculty of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
- National Institute for Translational Medicine (INCT-TM; CNPq), São Paulo, Brazil
| | - Francisco S. Guimarães
- National Institute for Translational Medicine (INCT-TM; CNPq), São Paulo, Brazil
- Department of Pharmacology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Alline C. Campos
- National Institute for Translational Medicine (INCT-TM; CNPq), São Paulo, Brazil
- Department of Pharmacology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Antonio W. Zuardi
- Department of Neurosciences and Behavior, Faculty of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
- National Institute for Translational Medicine (INCT-TM; CNPq), São Paulo, Brazil
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36
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Peres FF, Diana MC, Levin R, Suiama MA, Almeida V, Vendramini AM, Santos CM, Zuardi AW, Hallak JEC, Crippa JA, Abílio VC. Cannabidiol Administered During Peri-Adolescence Prevents Behavioral Abnormalities in an Animal Model of Schizophrenia. Front Pharmacol 2018; 9:901. [PMID: 30186164 PMCID: PMC6113576 DOI: 10.3389/fphar.2018.00901] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 07/23/2018] [Indexed: 01/08/2023] Open
Abstract
Schizophrenia is considered a debilitating neurodevelopmental psychiatric disorder and its pharmacotherapy remains problematic without recent major advances. The development of interventions able to prevent the emergence of schizophrenia would therefore represent an enormous progress. Here, we investigated whether treatment with cannabidiol (CBD - a compound of Cannabis sativa that presents an antipsychotic profile in animals and humans) during peri-adolescence would prevent schizophrenia-like behavioral abnormalities in an animal model of schizophrenia: the spontaneously hypertensive rat (SHR) strain. Wistar rats and SHRs were treated with vehicle or CBD from 30 to 60 post-natal days. In experiment 1, schizophrenia-like behaviors (locomotor activity, social interaction, prepulse inhibition of startle and contextual fear conditioning) were assessed on post-natal day 90. Side effects commonly associated with antipsychotic treatment were also evaluated: body weight gain and catalepsy throughout the treatment, and oral dyskinesia 48 h after treatment interruption and on post-natal day 90. In experiment 2, serum levels of triglycerides and glycemia were assessed on post-natal day 61. In experiment 3, levels of BDNF, monoamines, and their metabolites were evaluated on post-natal days 61 and 90 in the prefrontal cortex and striatum. Treatment with CBD prevented the emergence of SHRs' hyperlocomotor activity (a model for the positive symptoms of schizophrenia) and deficits in prepulse inhibition of startle and contextual fear conditioning (cognitive impairments). CBD did not induce any of the potential motor or metabolic side effects evaluated. Treatment with CBD increased the prefrontal cortex 5-HIAA/serotonin ratio and the levels of 5-HIAA on post-natal days 61 and 90, respectively. Our data provide pre-clinical evidence for a safe and beneficial effect of peripubertal and treatment with CBD on preventing positive and cognitive symptoms of schizophrenia, and suggest the involvement of the serotoninergic system on this effect.
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Affiliation(s)
- Fernanda F Peres
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,National Institute for Translational Medicine, National Council for Scientific and Technological Development, Ribeirão Preto, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Mariana C Diana
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Raquel Levin
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Mayra A Suiama
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Valéria Almeida
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Ana M Vendramini
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Camila M Santos
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São Paulo, São Paulo, Brazil
| | - Antônio W Zuardi
- National Institute for Translational Medicine, National Council for Scientific and Technological Development, Ribeirão Preto, Brazil.,Department of Neuroscience and Behavior, University of São Paulo, Ribeirão Preto, Brazil
| | - Jaime E C Hallak
- National Institute for Translational Medicine, National Council for Scientific and Technological Development, Ribeirão Preto, Brazil.,Department of Neuroscience and Behavior, University of São Paulo, Ribeirão Preto, Brazil
| | - José A Crippa
- National Institute for Translational Medicine, National Council for Scientific and Technological Development, Ribeirão Preto, Brazil.,Department of Neuroscience and Behavior, University of São Paulo, Ribeirão Preto, Brazil
| | - Vanessa C Abílio
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil.,National Institute for Translational Medicine, National Council for Scientific and Technological Development, Ribeirão Preto, Brazil.,Department of Neuroscience and Behavior, University of São Paulo, Ribeirão Preto, Brazil
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37
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Schonhofen P, Bristot IJ, Crippa JA, Hallak JEC, Zuardi AW, Parsons RB, Klamt F. Cannabinoid-Based Therapies and Brain Development: Potential Harmful Effect of Early Modulation of the Endocannabinoid System. CNS Drugs 2018; 32:697-712. [PMID: 30109642 DOI: 10.1007/s40263-018-0550-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The endocannabinoid retrograde signaling pathway is widely expressed in the central nervous system, where it plays major roles in regulating synaptic plasticity (excitatory and inhibitory) through long-term potentiation and long-term depression. The endocannabinoid system (ECS) components-cannabinoid receptors, endocannabinoids and synthesis/degradation enzymes-are expressed and are functional from early developmental stages and throughout adolescent cortical development, regulating progenitor cell fate, neural differentiation, migration and survival. This may potentially confer increased vulnerability to adverse outcomes from early cannabinoid exposure. Cannabidiol (CBD) is one of the most studied exogenous cannabinoids, and CBD-enriched Cannabis extracts have been widely (and successfully) used as adjuvants to treat children with refractory epilepsy, and there is even a Food and Drug Administration (FDA)-approved drug with purified CBD derived from Cannabis. However, there is insufficient information on possible long-term changes in the central nervous system caused by cannabinoid treatments during early childhood. Like the majority of cannabinoids, CBD is able to exert its effects directly and indirectly through the ECS, which can perturb the regulatory processes mediated by this system. In addition, CBD has a large number of non-endocannabinoid targets, which can explain CBD's effects. Here, we review the current knowledge about CBD-based therapies-pure and CBD-enriched Cannabis extracts-in studies with pediatric patients, their side effects, and their mechanisms of action regarding the central nervous system and neurodevelopment aspects. Since Cannabis extracts contain Δ9-tetrahydrocannabinol (Δ9-THC), we consider that pure CBD is possibly safer for young patients. Nevertheless, CBD, as well as other natural and/or synthetic cannabinoids, should be studied in more detail as a therapeutic alternative to CBD-enriched Cannabis extracts for young patients.
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Affiliation(s)
- Patrícia Schonhofen
- Laboratory of Cellular Biochemistry, Department of Biochemistry, ICBS/UFRGS, 2600 Ramiro Barcelos St, Porto Alegre, RS, 90035-003, Brazil
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, ICBS/UFRGS, Porto Alegre, RS, 90035-003, Brazil
- National Institutes of Science and Technology-Translational Medicine (INCT-TM), Porto Alegre, Brazil
| | - Ivi Juliana Bristot
- Laboratory of Cellular Biochemistry, Department of Biochemistry, ICBS/UFRGS, 2600 Ramiro Barcelos St, Porto Alegre, RS, 90035-003, Brazil
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, ICBS/UFRGS, Porto Alegre, RS, 90035-003, Brazil
- National Institutes of Science and Technology-Translational Medicine (INCT-TM), Porto Alegre, Brazil
| | - José Alexandre Crippa
- National Institutes of Science and Technology-Translational Medicine (INCT-TM), Porto Alegre, Brazil
- Neuroscience and Behavior Department, Faculty of Medicine of Ribeirão Preto, Ribeirão Preto, SP, Brazil
| | - Jaime Eduardo Cecílio Hallak
- National Institutes of Science and Technology-Translational Medicine (INCT-TM), Porto Alegre, Brazil
- Neuroscience and Behavior Department, Faculty of Medicine of Ribeirão Preto, Ribeirão Preto, SP, Brazil
| | - Antônio Waldo Zuardi
- National Institutes of Science and Technology-Translational Medicine (INCT-TM), Porto Alegre, Brazil
- Neuroscience and Behavior Department, Faculty of Medicine of Ribeirão Preto, Ribeirão Preto, SP, Brazil
| | - Richard B Parsons
- Institute of Pharmaceutical Science, King's College London (KCL), London, SE1 9NH, UK
| | - Fábio Klamt
- Laboratory of Cellular Biochemistry, Department of Biochemistry, ICBS/UFRGS, 2600 Ramiro Barcelos St, Porto Alegre, RS, 90035-003, Brazil.
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, ICBS/UFRGS, Porto Alegre, RS, 90035-003, Brazil.
- National Institutes of Science and Technology-Translational Medicine (INCT-TM), Porto Alegre, Brazil.
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38
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Barichello T, Sayana P, Giridharan VV, Arumanayagam AS, Narendran B, Della Giustina A, Petronilho F, Quevedo J, Dal-Pizzol F. Long-Term Cognitive Outcomes After Sepsis: a Translational Systematic Review. Mol Neurobiol 2018; 56:186-251. [PMID: 29687346 DOI: 10.1007/s12035-018-1048-2] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 03/27/2018] [Indexed: 01/04/2023]
Abstract
Sepsis is systemic inflammatory response syndrome with a life-threatening organ dysfunction that is caused by an unbalanced host immune response in an attempt to eliminate invasive microorganisms. We posed questions, "Does sepsis survivor patients have increased risk of neuropsychiatric manifestations?" and "What is the mechanism by which sepsis induces long-term neurological sequelae, particularly substantial cognitive function decline in survivor patients and in pre-clinical sepsis models?" The studies were identified by searching PubMed/MEDLINE (National Library of Medicine), PsycINFO, EMBASE (Ovid), LILACS (Latin American and Caribbean Health Sciences Literature), IBECS (Bibliographical Index in Spanish in Health Sciences), and Web of Science databases for peer-reviewed journals that were published until January 2018. A total of 3555 papers were included in the primary screening. After that, 130 articles were selected for the study. A number of pre-clinical studies have shown an auto amplification of pro-inflammatory cytokines such as tumor necrosis factor alpha (TNF-α), interleukin (IL)-1β, and IL-6 in the first few hours after sepsis induction, also increased blood-brain barrier permeability, elevated levels of matrix metalloproteinases, increased levels of damage-associated molecular patterns were demonstrated. In addition, the rodents presented long-term cognitive impairment in different behavioral tasks that were prevented by blocking the mechanism of action of these inflammatory mediators. Clinical studies have showed that sepsis survivors presented increased bodily symptoms such as fatigue, pain, visual disturbances, gastrointestinal problems, and neuropsychiatric problems compared to before sepsis. Sepsis leaves the survivors with an aftermath of physiological, neuropsychiatric, and functional impairment. Systematic review registration: CRD42017071755.
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Affiliation(s)
- Tatiana Barichello
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX, 77054, USA. .,Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil.
| | - Pavani Sayana
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX, 77054, USA
| | - Vijayasree V Giridharan
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX, 77054, USA
| | | | - Boomadevi Narendran
- Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TX, USA
| | - Amanda Della Giustina
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX, 77054, USA.,Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina, Tubarao, SC, Brazil
| | - Fabricia Petronilho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health Sciences, University of South Santa Catarina, Tubarao, SC, Brazil
| | - João Quevedo
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, 1941 East Road, Houston, TX, 77054, USA.,Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina-UNESC, Criciúma, SC, Brazil.,Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Felipe Dal-Pizzol
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
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39
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Couch DG, Maudslay H, Doleman B, Lund JN, O'Sullivan SE. The Use of Cannabinoids in Colitis: A Systematic Review and Meta-Analysis. Inflamm Bowel Dis 2018; 24:680-697. [PMID: 29562280 DOI: 10.1093/ibd/izy014] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Clinical trials investigating the use of cannabinoid drugs for the treatment of intestinal inflammation are anticipated secondary to preclinical literature demonstrating efficacy in reducing inflammation. METHODS We systematically reviewed publications on the benefit of drugs targeting the endo-cannabinoid system in intestinal inflammation. We collated studies examining outcomes for meta-analysis from EMBASE, MEDLINE and Pubmed until March 2017. Quality was assessed according to mSTAIR and SRYCLE score. RESULTS From 2008 papers, 51 publications examining the effect of cannabinoid compounds on murine colitis and 2 clinical studies were identified. Twenty-four compounds were assessed across 71 endpoints. Cannabidiol, a phytocannabinoid, was the most investigated drug. Macroscopic colitis severity (disease activity index [DAI]) and myeloperoxidase activity (MPO) were assessed throughout publications and were meta-analyzed using random effects models. Cannabinoids reduced DAI in comparison with the vehicle (standard mean difference [SMD] -1.36; 95% CI, -1.62 to-1.09; I2 = 61%). FAAH inhibitor URB597 had the largest effect size (SMD -4.43; 95% CI, -6.32 to -2.55), followed by the synthetic drug AM1241 (SMD -3.11; 95% CI, -5.01 to -1.22) and the endocannabinoid anandamide (SMD -3.03; 95% CI, -4.89 to -1.17; I2 not assessed). Cannabinoids reduced MPO in rodents compared to the vehicle; SMD -1.26; 95% CI, -1.54 to -0.97; I2 = 48.1%. Cannabigerol had the largest effect size (SMD -6.20; 95% CI, -9.90 to -2.50), followed by the synthetic CB1 agonist ACEA (SMD -3.15; 95% CI, -4.75 to -1.55) and synthetic CB1/2 agonist WIN55,212-2 (SMD -1.74; 95% CI, -2.81 to -0.67; I2 = 57%). We found no evidence of reporting bias. No significant difference was found between the prophylactic and therapeutic use of cannabinoid drugs. CONCLUSIONS There is abundant preclinical literature demonstrating the anti-inflammatory effects of cannabinoid drugs in inflammation of the gut. Larger randomised controlled-trials are warranted.
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Affiliation(s)
- Daniel G Couch
- School of Medicine, Royal Derby Hospital, University of Nottingham, Derby, United Kingdom
| | - Henry Maudslay
- School of Medicine, Royal Derby Hospital, University of Nottingham, Derby, United Kingdom
| | - Brett Doleman
- School of Medicine, Royal Derby Hospital, University of Nottingham, Derby, United Kingdom
| | - Jonathan N Lund
- School of Medicine, Royal Derby Hospital, University of Nottingham, Derby, United Kingdom
| | - Saoirse E O'Sullivan
- School of Medicine, Royal Derby Hospital, University of Nottingham, Derby, United Kingdom
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Cannabidiol and palmitoylethanolamide are anti-inflammatory in the acutely inflamed human colon. Clin Sci (Lond) 2017; 131:2611-2626. [DOI: 10.1042/cs20171288] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 09/05/2017] [Accepted: 09/22/2017] [Indexed: 12/13/2022]
Abstract
Objective: We sought to quantify the anti-inflammatory effects of two cannabinoid drugs, cannabidiol (CBD) and palmitoylethanolamide (PEA), in cultured cell lines and compared this effect with experimentally inflamed explant human colonic tissue. These effects were explored in acutely and chronically inflamed colon, using inflammatory bowel disease and appendicitis explants.
Design: Caco-2 cells and human colonic explants collected from elective bowel cancer, inflammatory bowel disease (IBD) or acute appendicitis resections, and were treated with the following drug treatments: vehicle, an inflammatory protocol of interferon γ (IFNγ) and tumour necrosis factor α (TNFα; 10 ng/ml), inflammation and PEA (10 µM), inflammation and CBD (10 µM), and PEA or CBD alone, CBD or vehicle were added simultaneously with IFNγ. Nine intracellular signalling phosphoproteins were determined by multiplex. Inflammatory cytokine secretion was determined using ELISA. Receptor mechanisms were investigated using antagonists for CB1, CB2, PPARα, PPARγ, TRPV1 and GPR55.
Results: IFNγ and TNFα treatment increased phosphoprotein and cytokine levels in Caco-2 cultures and colonic explants. Phosphoprotein levels were significantly reduced by PEA or CBD in Caco-2 cultures and colonic explants. CBD and PEA prevented increases in cytokine production in explant colon, but not in Caco-2 cells. CBD effects were blocked by the CB2 antagonist AM630 and TRPV1 antagonist SB366791. PEA effects were blocked by the PPARα antagonist GW6471. PEA and CBD were anti-inflammatory in IBD and appendicitis explants.
Conclusion: PEA and CBD are anti-inflammatory in the human colon. This effect is not seen in cultured epithelial cells. Appropriately sized clinical trials should assess their efficacy.
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Alpha-lipoic acid attenuates acute neuroinflammation and long-term cognitive impairment after polymicrobial sepsis. Neurochem Int 2017; 108:436-447. [DOI: 10.1016/j.neuint.2017.06.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 05/31/2017] [Accepted: 06/07/2017] [Indexed: 12/17/2022]
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5-HT Drives Mortality in Sepsis Induced by Cecal Ligation and Puncture in Mice. Mediators Inflamm 2017; 2017:6374283. [PMID: 28694565 PMCID: PMC5485362 DOI: 10.1155/2017/6374283] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 04/30/2017] [Indexed: 01/09/2023] Open
Abstract
Sepsis is defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection with a high mortality. 5-Hydroxytryptamine (5-HT) is an important regulatory factor in inflammation. The aim of this study is to investigate the role of 5-HT on cecal ligation and puncture- (CLP-) induced sepsis in the mouse model. CLP was performed on C57B/6 wild-type (WT) mice and tryptophan hydroxylase 1 (TPH1) knockout (KO) mice. The results showed that the 5-HT-sufficient group mice had a significantly lower survival rate than the 5-HT-deficient group in CLP-induced sepsis and septic shock. The KO-CLP sepsis group received a lower clinical score than the WT-CLP sepsis group. Meanwhile, the body temperature of mice in the KO-CLP sepsis group was higher than that in the WT-CLP sepsis group and was much closer to the normal body temperature 24 hours after CLP. The tissue histopathology analysis revealed that 5-HT markedly exacerbated histological damages in the peritoneum, lung, liver, kidney, intestinal tissue, and heart in sepsis. Moreover, significant lower levels of TNF-α, IL-6, bacterial loads, MPO, and ROS were discovered in the KO-CLP sepsis group in contrast to the WT-CLP sepsis group. In conclusion, 5-HT drives mortality and exacerbates organ dysfunction by promoting serum cytokines and bacterial loads as well as facilitating oxidative stress in the process of sepsis.
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Improved Social Interaction, Recognition and Working Memory with Cannabidiol Treatment in a Prenatal Infection (poly I:C) Rat Model. Neuropsychopharmacology 2017; 42:1447-1457. [PMID: 28230072 PMCID: PMC5436124 DOI: 10.1038/npp.2017.40] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 02/10/2017] [Accepted: 02/19/2017] [Indexed: 12/16/2022]
Abstract
Neuropsychiatric disorders such as schizophrenia are associated with cognitive impairment, including learning, memory and attention deficits. Antipsychotic drugs are limited in their efficacy to improve cognition; therefore, new therapeutic agents are required. Cannabidiol (CBD), the non-intoxicating component of cannabis, has anti-inflammatory, neuroprotective and antipsychotic-like properties; however, its ability to improve the cognitive deficits of schizophrenia remains unclear. Using a prenatal infection model, we examined the effect of chronic CBD treatment on cognition and social interaction. Time-mated pregnant Sprague-Dawley rats (n=16) were administered polyinosinic-polycytidilic acid (poly I:C) (POLY; 4 mg/kg) or saline (CONT) at gestation day 15. Male offspring (PN56) were injected twice daily with 10 mg/kg CBD (CONT+CBD, POLY+CBD; n=12 per group) or vehicle (VEH; CONT+VEH, POLY+VEH; n=12 per group) for 3 weeks. Body weight, food and water intake was measured weekly. The Novel Object Recognition and rewarded T-maze alternation tests assessed recognition and working memory, respectively, and the social interaction test assessed sociability. POLY+VEH offspring exhibited impaired recognition and working memory, and reduced social interaction compared to CONT+VEH offspring (p<0.01). CBD treatment significantly improved recognition, working memory and social interaction deficits in the poly I:C model (p<0.01 vs POLY+VEH), did not affect total body weight gain, food or water intake, and had no effect in control animals (all p>0.05). In conclusion, chronic CBD administration can attenuate the social interaction and cognitive deficits induced by prenatal poly I:C infection. These novel findings present interesting implications for potential use of CBD in treating the cognitive deficits and social withdrawal of schizophrenia.
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Cuba LF, Salum FG, Cherubini K, Figueiredo MAZ. Cannabidiol: an alternative therapeutic agent for oral mucositis? J Clin Pharm Ther 2017; 42:245-250. [PMID: 28191662 DOI: 10.1111/jcpt.12504] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 01/04/2017] [Indexed: 12/21/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Chemo- and radiotherapy are therapeutic modalities often used in patients with malignant neoplasms. They kill tumour cells but act on healthy tissues as well, resulting in adverse effects. Oral mucositis is especially of concern, due to the morbidity that it causes. We reviewed the literature on the etiopathogenesis of oral mucositis and the activity of cannabidiol, to consider the possibility of its use for the prevention and treatment of oral mucositis. METHODS We searched the PubMed database and selected complete articles published in English that met the inclusion criteria for the period 1998-2016. The search terms 'cannabinoids', 'cannabidiol', 'oxidative stress', 'antioxidants' and 'oral mucositis' were used. RESULTS AND DISCUSSION The control of oxidative stress may prevent and alleviate oral mucositis. Studies have demonstrated that cannabidiol is safe to use and possesses antioxidant, anti-inflammatory and analgesic properties. WHAT IS NEW AND CONCLUSIONS The literature on the use of cannabidiol in dentistry is still scarce. Studies investigating the use of cannabidiol in oral mucositis and other oxidative stress-mediated side effects of chemotherapy and radiotherapy on the oral mucosa should be encouraged.
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Affiliation(s)
- L F Cuba
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.,Division of Oral Medicine, Paranaense University (UNIPAR), Francisco Beltrão, Brazil
| | - F G Salum
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - K Cherubini
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - M A Z Figueiredo
- Division of Oral Medicine, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
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A systematic review of the effect of cannabidiol on cognitive function: Relevance to schizophrenia. Neurosci Biobehav Rev 2017; 72:310-324. [DOI: 10.1016/j.neubiorev.2016.11.012] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 10/25/2016] [Accepted: 11/17/2016] [Indexed: 11/18/2022]
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Soares RZ, Vuolo F, Dall'Igna DM, Michels M, Crippa JADS, Hallak JEC, Zuardi AW, Dal-Pizzol F. Evaluation of the role of the cannabidiol system in an animal model of ischemia/reperfusion kidney injury. Rev Bras Ter Intensiva 2016; 27:383-9. [PMID: 26761477 PMCID: PMC4738825 DOI: 10.5935/0103-507x.20150064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 11/30/2015] [Indexed: 01/21/2023] Open
Abstract
Objective This work aimed to investigate the effects of the administration of
cannabidiol in a kidney ischemia/reperfusion animal model. Methods Kidney injury was induced by 45 minutes of renal ischemia followed by
reperfusion. Cannabidiol (5mg/kg) was administered immediately after
reperfusion. Results Ischemia/reperfusion increased the IL-1 and TNF levels, and these levels
were attenuated by cannabidiol treatment. Additionally, cannabidiol
was able to decrease lipid and protein oxidative damage, but not the
nitrite/nitrate levels. Kidney injury after ischemia/reperfusion
seemed to be independent of the cannabidiol receptor 1 and cannabidiol
receptor 2 (CB1 and CB2) expression levels, as there was no
significant increase in these receptors after reperfusion. Conclusion The cannabidiol treatment had a protective effect against inflammation
and oxidative damage in the kidney ischemia/reperfusion model. These
effects seemed to be independent of CB1/CB2 receptor activation.
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Affiliation(s)
- Rodrigo Zon Soares
- Laboratório de Fisiopatologia Experimental, Programa de Graduação em Ciências da Saúde, Unidade de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Francieli Vuolo
- Laboratório de Fisiopatologia Experimental, Programa de Graduação em Ciências da Saúde, Unidade de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Dhébora Mozena Dall'Igna
- Laboratório de Fisiopatologia Experimental, Programa de Graduação em Ciências da Saúde, Unidade de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - Monique Michels
- Laboratório de Fisiopatologia Experimental, Programa de Graduação em Ciências da Saúde, Unidade de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
| | - José Alexandre de Souza Crippa
- Departamento de Neurociências e Comportamento, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Jaime Eduardo Cecílio Hallak
- Departamento de Neurociências e Comportamento, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Antonio Waldo Zuardi
- Departamento de Neurociências e Comportamento, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Felipe Dal-Pizzol
- Laboratório de Fisiopatologia Experimental, Programa de Graduação em Ciências da Saúde, Unidade de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil
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Peres FF, Levin R, Suiama MA, Diana MC, Gouvêa DA, Almeida V, Santos CM, Lungato L, Zuardi AW, Hallak JEC, Crippa JA, Vânia D, Silva RH, Abílio VC. Cannabidiol Prevents Motor and Cognitive Impairments Induced by Reserpine in Rats. Front Pharmacol 2016; 7:343. [PMID: 27733830 PMCID: PMC5040118 DOI: 10.3389/fphar.2016.00343] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 09/13/2016] [Indexed: 12/29/2022] Open
Abstract
Cannabidiol (CBD) is a non-psychotomimetic compound from Cannabis sativa that presents antipsychotic, anxiolytic, anti-inflammatory, and neuroprotective effects. In Parkinson's disease patients, CBD is able to attenuate the psychotic symptoms induced by L-DOPA and to improve quality of life. Repeated administration of reserpine in rodents induces motor impairments that are accompanied by cognitive deficits, and has been applied to model both tardive dyskinesia and Parkinson's disease. The present study investigated whether CBD administration would attenuate reserpine-induced motor and cognitive impairments in rats. Male Wistar rats received four injections of CBD (0.5 or 5 mg/kg) or vehicle (days 2-5). On days 3 and 5, animals received also one injection of 1 mg/kg reserpine or vehicle. Locomotor activity, vacuous chewing movements, and catalepsy were assessed from day 1 to day 7. On days 8 and 9, we evaluated animals' performance on the plus-maze discriminative avoidance task, for learning/memory assessment. CBD (0.5 and 5 mg/kg) attenuated the increase in catalepsy behavior and in oral movements - but not the decrease in locomotion - induced by reserpine. CBD (0.5 mg/kg) also ameliorated the reserpine-induced memory deficit in the discriminative avoidance task. Our data show that CBD is able to attenuate motor and cognitive impairments induced by reserpine, suggesting the use of this compound in the pharmacotherapy of Parkinson's disease and tardive dyskinesia.
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Affiliation(s)
- Fernanda F Peres
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Raquel Levin
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Mayra A Suiama
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Mariana C Diana
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Douglas A Gouvêa
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Valéria Almeida
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Camila M Santos
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
| | - Lisandro Lungato
- Department of Psychobiology, Federal University of São Paulo São Paulo, Brazil
| | - Antônio W Zuardi
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - Jaime E C Hallak
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - José A Crippa
- Department of Neuroscience and Behavior, University of São PauloRibeirão Preto, Brazil; National Institute for Translational Medicine - National Council for Scientific and Technological DevelopmentRibeirão Preto, Brazil
| | - D'Almeida Vânia
- Department of Psychobiology, Federal University of São Paulo São Paulo, Brazil
| | - Regina H Silva
- Department of Pharmacology, Federal University of São Paulo São Paulo, Brazil
| | - Vanessa C Abílio
- Interdisciplinary Laboratory of Clinical Neurosciences, Department of Psychiatry, Federal University of São PauloSão Paulo, Brazil; Department of Pharmacology, Federal University of São PauloSão Paulo, Brazil
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Bacanlı M, Aydın S, Taner G, Göktaş HG, Şahin T, Başaran AA, Başaran N. Does rosmarinic acid treatment have protective role against sepsis-induced oxidative damage in Wistar Albino rats? Hum Exp Toxicol 2016; 35:877-86. [PMID: 26429925 DOI: 10.1177/0960327115607971] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Reactive oxygen species are believed to be involved in the development of sepsis. Plant-derived phenolic compounds are thought to be possible therapeutic agents against sepsis because of their antioxidant properties. Rosmarinic acid (RA) is a phenolic compound commonly found in various plants, which has many biological activities including antioxidant activity. The aim of this study was to investigate the effects of RA on sepsis-induced DNA damage in the lymphocytes and liver and kidney cells of Wistar albino rats by alkaline comet assay with and without formamidopyrimidine DNA glycosylase protein. The oxidative stress parameters such as superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities and total glutathione (GSH) and malondialdehyde (MDA) levels in the liver and kidney tissues and an inflammatory cytokine, tumor necrosis factor α (TNF-α) level in plasma were also evaluated. It is found that DNA damage in the lymphocytes, livers, and kidneys of the RA-treated rats was significantly lower than that in the sepsis-induced rats. RA treatment also decreased the MDA levels and increased the GSH levels and SOD and GSH-Px activities in the livers and kidneys of the sepsis-induced rats. Plasma TNF-α level was found to be decreased in the RA-treated rats. It seems that RA might have a role in the attenuation of sepsis-induced oxidative damage not only by decreasing the DNA damage but also by increasing the antioxidant status and DNA repair capacity of the animals.
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Affiliation(s)
- M Bacanlı
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - S Aydın
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - G Taner
- Department of Biology, Faculty of Science, Gazi University, Ankara, Turkey
| | - H G Göktaş
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Çukurova University, Sarıçam, Adana, Turkey
| | - T Şahin
- Department of Surgery, Faculty of Kastamonu Medicine, Hacettepe University, Ankara, Turkey
| | - A A Başaran
- Department of Pharmacognosy, Faculty of Pharmacy Hacettepe University, Ankara, Turkey
| | - N Başaran
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
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Lin Z, Liu X, Sun L, Li J, Hu Z, Xie H, Zu X, Deng X, Zhang W. Comparison of sepsis rats induced by caecal ligation puncture or Staphylococcus aureus using a LC-QTOF-MS metabolomics approach. INFECTION GENETICS AND EVOLUTION 2016; 43:86-93. [PMID: 27174089 DOI: 10.1016/j.meegid.2016.05.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Revised: 04/24/2016] [Accepted: 05/06/2016] [Indexed: 01/09/2023]
Abstract
Sepsis is a whole-body inflammatory response to infection with high mortality and is treated in intensive care units (ICUs). In the present study, to identify metabolic biomarkers that can differentiate sepsis models induced by caecal ligation puncture (CLP) or Staphylococcus aureus (S. aureus), small molecular metabolites in the serum were measured by liquid chromatography quadruple time-of-flight mass spectrometry (LC-QTOF-MS) and analysed using the multivariate statistical analysis (MVA) of partial least square-discrimination analysis (PLS-DA) method. The results demonstrated that the body showed obvious metabolic disorders in the sepsis groups compared with the control group. A total of 8 potential biomarkers were identified in the CLP group, and 10 potential biomarkers were identified in the S. aureus group. These potential biomarkers primarily reflected an energy metabolism disorder, inflammatory response, oxidative stress and tissue damage, which occur during sepsis, and these markers might potentially be used to differentiate CLP from Staphylococcus aureus sepsis.
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Affiliation(s)
- Zhang Lin
- School of Pharmacy, Shanghai Jiaotong University, Shanghai 200240, China
| | - Xinru Liu
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Lulu Sun
- Department of Anesthesiology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China; Department of Anesthesiology, Shanghai Ninth People Hospital Affiliated to Shanghai Jiaotong University School of Medicine, China
| | - Jinbao Li
- Department of Anesthesiology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Zhenglin Hu
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Haisheng Xie
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Xianpeng Zu
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Xiaoming Deng
- Department of Anesthesiology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China.
| | - Weidong Zhang
- School of Pharmacy, Shanghai Jiaotong University, Shanghai 200240, China; School of Pharmacy, Second Military Medical University, Shanghai 200433, China.
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Cannabinoid receptor 1 ligands revisited: Pharmacological assessment in the ACTOne system. Anal Biochem 2016; 498:8-28. [PMID: 26772161 DOI: 10.1016/j.ab.2015.12.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 11/22/2015] [Accepted: 12/29/2015] [Indexed: 11/23/2022]
Abstract
In vitro cannabinoid pharmacology has evolved over time from simple receptor binding to include [(35)S]GTPγ, β-arrestin, and cAMP assays. Each assay has benefits and drawbacks; however, no single functional system has been used for high-throughput evaluation of compounds from binding to pharmacological functionality and antagonist assessment in a well-characterized human cell line. In this study, we evaluated and validated one system-ACTOne human embryonic kidney cells transfected with a cyclic nucleotide gated channel and cannabinoid receptor 1 (CB1)-and compared human CB1 affinity, functional, and antagonistic effects on cAMP with previously published results. The study was conducted on a diverse group of CB1 ligands, including endocannabinoids and related compounds, 2-AG, AEA, MAEA, and ACEA, the phytocannabinoid Δ(9) THC, and synthetic cannabinoids CP 55,940, WIN 55,212-2, SR 141716A, CP 945,598, and WIN 55,212-3. Our results were compared with literature values where human CB1 was used for affinity determination and cAMP was used as a functional readout. Here we report the first detailed evaluation of the ACTOne assay for the pharmacological evaluation of CB1 ligands. The results from the study reveal some interesting deviations from previously reported functional activities of the aforementioned ligands.
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