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Fang Z, Chen J, Zheng Y, Chen Z. Targeting Histamine and Histamine Receptors for Memory Regulation: An Emotional Perspective. Curr Neuropharmacol 2024; 22:1846-1869. [PMID: 38288837 PMCID: PMC11284729 DOI: 10.2174/1570159x22666240128003108] [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: 06/14/2023] [Revised: 08/23/2023] [Accepted: 09/13/2023] [Indexed: 07/23/2024] Open
Abstract
Histamine has long been accepted as a pro-cognitive agent. However, lines of evidence have suggested that the roles of histamine in learning and memory processes are much more complex than previously thought. When explained by the spatial perspectives, there are many contradictory results. However, using emotional memory perspectives, we suspect that the histaminergic system may interplay with stress, reward inhibition, and attention to modulate emotional memory formation. The functional diversity of histamine makes it a viable target for clinical management of neuropsychiatric disorders. Here, we update the current knowledge about the functions of histamine in emotional memory and summarize the underlying molecular and neural circuit mechanisms. Finally, we review the main clinical studies about the impacts of histamine-related compounds on memory and discuss insights into future research on the roles of histamine in emotional memory. Despite the recent progress in histamine research, the histaminergic emotional memory circuits are poorly understood, and it is also worth verifying the functions of histamine receptors in a more spatiotemporally specific manner.
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Affiliation(s)
- Zhuowen Fang
- Institute of Pharmacology & Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jiahui Chen
- Institute of Pharmacology & Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yanrong Zheng
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Zhong Chen
- Institute of Pharmacology & Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China
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Yegin B, Donmez DB, Oz S, Aydin S. Dose-related effects of ciproxifan on brain tissue in rats with cerebral ischemia-reperfusion. Int J Neurosci 2023:1-13. [PMID: 37874217 DOI: 10.1080/00207454.2023.2273767] [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: 07/03/2023] [Accepted: 10/17/2023] [Indexed: 10/25/2023]
Abstract
PURPOSE Cerebral ischemia is the result of decreased or interrupted blood flow to the brain. It is the third leading cause of death after cardiovascular disease and cancer. Cerebral ischemia is reversible or irreversible in neurons in the affected area, and subsequent free radical damage can be exacerbated if reperfusion occurs. Ciproxifan is used to study the involvement of histaminergic neurons in different phases such as wakefulness and cognition. We wanted to find out whether ciproxifan has a protective effect on the brain of rats with cerebral ischemia-reperfusion injury. MATERIALS AND METHODS A total of 64 adult rats (32 male and 32 female) were used for the experiment. Eight cages were formed with randomly selected rats. No substance was administered to the rats in Group 1 and no surgical procedure was performed. The cerebral ischemia-reperfusion model (clamping of the left common carotid artery for 15 min followed by reperfusion for 24 h) was applied to rats in Group 2, Group 3, and Group 4 after 7 days/single dose of saline and ciproxifan (10 mg/kg, 30 mg/kg). After that, the activitymeter, forced swim test (FST), and Morris water maze (MWM) were performed on all animals. RESULTS Rats treated with ciproxifan exhibit neurons and glial cells with histologic structures similar to those of the control group, and interestingly, these differences became more pronounced with increasing dose. Rats administered ciproxifan improved motor coordination, decreased total distance behavior, and improved learning ability. However, when the groups were compared by sex, no significant difference was found in the parameters. CONCLUSION Thus, we could conclude that ciproxifan has a protective effect on the brain to a certain extent, regardless of the dose.
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Affiliation(s)
- Bengi Yegin
- Departmant of Anatomy, Faculty of Medicine, Yuksek Ihtisas University, Cankaya, Turkey
| | - Dilek Burukoglu Donmez
- Department of Histology and Embryology, Faculty of Medicine, Eskisehir Osmangazi University, Odunpazarı, Turkey
| | - Semih Oz
- Departmant of Vocational School of Health Services, Eskisehir Osmangazi University, Odunpazarı, Turkey
| | - Sule Aydin
- Department of Pharmacology, Faculty of Medicine, Eskisehir Osmangazi University, Odunpazarı, Turkey
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Nirogi R, Grandhi VR, Medapati RB, Ganuga N, Benade V, Gandipudi S, Manoharan A, Abraham R, Jayarajan P, Bhyrapuneni G, Shinde A, Badange RK, Subramanian R, Petlu S, Jasti V. Histamine 3 receptor inverse agonist Samelisant (SUVN-G3031): Pharmacological characterization of an investigational agent for the treatment of cognitive disorders. J Psychopharmacol 2021; 35:713-729. [PMID: 33546570 DOI: 10.1177/0269881120986418] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Central histamine H3 receptors are a family of presynaptic auto and heteroreceptors. Blockade of the presynaptic H3 receptors activates the downstream pathway(s) involved in the processes of learning and memory, making it a potential therapeutic option for ameliorating cognitive dysfunction. Samelisant (SUVN-G3031) is a potent and selective inverse agonist at the H3 receptors. AIM The aim of this research is to study the effects of Samelisant in diverse animal models of cognitive functions. METHODS The effects of Samelisant on cognitive functions were studied using social recognition, object recognition and Morris water maze tasks. Neurochemical and electrophysiological effects of Samelisant were monitored using microdialysis and electroencephalography techniques. RESULTS Samelisant showed procognitive effects in diverse animal models of cognition at doses ranging from 0.3 to 3 mg/kg, per os (p.o.) (social recognition and object recognition task). Samelisant significantly increased the brain acetylcholine levels in the cortex at doses of 10 and 20 mg/kg, p.o. In the Morris water maze task, combined administration of suboptimal doses of Samelisant and donepezil resulted in procognitive effects significantly larger than the either treatment. Similarly, Samelisant significantly potentiated the effects of donepezil on pharmacodynamic biomarkers of cognition i.e. acetylcholine levels in brain and neuronal theta oscillations. CONCLUSION Samelisant may have potential utility in the treatment of cognitive deficits associated with hypocholinergic state.
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Trofimiuk E, Wielgat P, Car H. Selective H3 Antagonist (ABT-239) Differentially Modifies Cognitive Function Under the Impact of Restraint Stress. Front Syst Neurosci 2021; 14:614810. [PMID: 33603652 PMCID: PMC7884464 DOI: 10.3389/fnsys.2020.614810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 11/23/2020] [Indexed: 11/13/2022] Open
Abstract
Background: A considerable number of competitive antagonists/inverse agonists of histamine H3 receptor (H3R) have progressed to clinical assessment, with pitolisant approved for the treatment of narcolepsy. H3R, highly expressed in the CNS, is regarded as a relevant target in CNS disorders. At the same time, new compounds including ABT-239 H3R antagonist (ABT; benzonitrile, 4-[2-[2-[(2R)-2-methyl-1-pyrrolidinyl]ethyl]-5-benzofuranyl]-) are continually being tested. The study aimed to test ABT-239 as a prophylactic agent in stress-induced memory impairments. Methods: Stressed and non-stressed rats were pre-treated with ABT-239 and subsequently subjected to several behavioral tests aimed at assessing the animals’ working and spatial reference memory [Morris water maze (MWM), Barnes maze (BM)], assessing the locomotor function and anxiety-like behavior [Open field (OF), elevated “plus” maze—EPM]. Results: Chronically stressed rats displayed a significant decline in spatial (working and reference) memory. In the MWM test, we observed an improvement in spatial reference memory in stressed animals and a positive after ABT-239 pre-treatment. In the BM test, the effect of ABT-239 administration on spatial memory changed in successive attempts, from negative initially to favorable in subsequent attempts, and negative in the last trial of the test in the control group of rats. However, a beneficial effect is noted in the group of stressed animals, which remained throughout the entire testing period. Conclusions: Presented findings demonstrate that ABT-239 shows the potential to abolish or prevent restraint stress-induced spatial memory impairments and cognitive deficits. However, in conditions of appetitive modulation, it could increase damage to memory (unstressed animals).
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Affiliation(s)
- Emil Trofimiuk
- Department of Clinical Pharmacology, Medical University of Bialystok, Bialystok, Poland
| | - Przemysław Wielgat
- Department of Clinical Pharmacology, Medical University of Bialystok, Bialystok, Poland
| | - Halina Car
- Department of Clinical Pharmacology, Medical University of Bialystok, Bialystok, Poland
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Chauveau F, De Job E, Poly-Thomasson B, Cavroy R, Thomasson J, Fromage D, Beracochea D. Procognitive impact of ciproxifan (a histaminergic H 3 receptor antagonist) on contextual memory retrieval after acute stress. CNS Neurosci Ther 2019; 25:832-841. [PMID: 31094061 PMCID: PMC6630007 DOI: 10.1111/cns.13113] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/01/2019] [Accepted: 02/05/2019] [Indexed: 12/11/2022] Open
Abstract
AIM Although cognitive deficits commonly co-occur with stress-related emotional disorders, effect of procognitive drugs such as histaminergic H3 receptor antagonists are scarcely studied on memory retrieval in stress condition. METHODS Experiment 1. Memory of two successive spatial discriminations (D1 then D2) 24 hours after learning was studied in a four-hole board in mice. H3 receptor antagonist ciproxifan (ip 3 mg/kg) and acute stress (three electric footshocks; 0.9 mA; 15 ms) were administered 30 and 15 minutes respectively before memory retrieval test. Fos immunostaining was performed to evaluate the neural activity of several brain areas. Experiment 2. Effects of ciproxifan and acute stress were evaluated on anxiety-like behavior in the elevated plus maze and glucocorticoid activity using plasma corticosterone assay. RESULTS Experiment 1. Ciproxifan increased memory retrieval of D2 in nonstress condition and of D1 in stress one. Ciproxifan mitigated the stress-induced increase of Fos expression in the prelimbic and infralimbic cortex, the central and basolateral amygdala and the CA1 of dorsal hippocampus. Experiment 2. Ciproxifan dampened the stress-induced anxiety-like behavior and plasma corticosterone increase. CONCLUSION Ciproxifan improved contextual memory retrieval both in stress and nonstress conditions without exacerbating behavioral and endocrine responses to stress. Overall, these data suggest potential usefulness of H3 receptor antagonists as cognitive enhancer both in nonstress and stress conditions.
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Affiliation(s)
- Frédéric Chauveau
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Elodie De Job
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Betty Poly-Thomasson
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Raphaël Cavroy
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Julien Thomasson
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Dominique Fromage
- IRBA (Institut de Recherche Biomédicale des Armées) BP73, Bretigny-sur-Orge Cedex, France
| | - Daniel Beracochea
- INCIA (Institut de Neurosciences Cognitives et Intégratives d'Aquitaine), UMR CNRS 5287, Université de Bordeaux, Pessac, France
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Provensi G, Costa A, Izquierdo I, Blandina P, Passani MB. Brain histamine modulates recognition memory: possible implications in major cognitive disorders. Br J Pharmacol 2018; 177:539-556. [PMID: 30129226 DOI: 10.1111/bph.14478] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 07/27/2018] [Accepted: 08/05/2018] [Indexed: 12/24/2022] Open
Abstract
Several behavioural tests have been developed to study and measure emotionally charged or emotionally neutral memories and how these may be affected by pharmacological, dietary or environmental manipulations. In this review, we describe the experimental paradigms used in preclinical studies to unravel the brain circuits involved in the recognition and memorization of environmentally salient stimuli devoid of strong emotional value. In particular, we focus on the modulatory role of the brain histaminergic system in the elaboration of recognition memory that is based on the judgement of the prior occurrence of an event, and it is believed to be a critical component of human declarative memory. The review also addresses questions that may help improve the treatment of impaired declarative memory described in several affective and neuropsychiatric disorders such as ADHD, Alzheimer's disease and major neurocognitive disorder. LINKED ARTICLES: This article is part of a themed section on New Uses for 21st Century. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.3/issuetoc.
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Affiliation(s)
- Gustavo Provensi
- Department of Neuroscience, Psychology, Drug Research and Child Health, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Alessia Costa
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
| | - Ivan Izquierdo
- Memory Center, Brain Institute of Rio Grande do Sul, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Patrizio Blandina
- Department of Neuroscience, Psychology, Drug Research and Child Health, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Maria Beatrice Passani
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
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Mani V, Jaafar SM, Azahan NSM, Ramasamy K, Lim SM, Ming LC, Majeed ABA. Ciproxifan improves cholinergic transmission, attenuates neuroinflammation and oxidative stress but does not reduce amyloid level in transgenic mice. Life Sci 2017; 180:23-35. [PMID: 28501482 DOI: 10.1016/j.lfs.2017.05.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/29/2017] [Accepted: 05/10/2017] [Indexed: 01/19/2023]
Abstract
AIM The present study is aimed to investigate the ability of ciproxifan, a histamine H3 receptor antagonist to inhibit β-amyloid (Aβ)-induced neurotoxicity in SK-N-SH cells and APP transgenic mouse model. MATERIALS AND METHODS In vitro studies was designed to evaluate the neuroprotective effects of ciproxifan in Aβ25-35 - induced SK-N-SH cells. For the in vivo study, ciproxifan (1 and 3mg/kg, i.p.) was administrated to transgenic mice for 15days and behaviour was assessed using the radial arm maze (RAM). Brain tissues were collected to measure Aβ levels (Aβ1-40 and Aβ1-42), acetylcholine (ACh), acetylcholinesterase (AChE), nitric oxide (NO), lipid peroxidation (LPO), antioxidant activities, cyclooxygenases (COX) and cytokines (IL-1α, IL-1β and IL-6), while plasma was collected to measure TGF-1β. RESULTS The in vitro studies demonstrated neuroprotective effect of ciproxifan by increasing cell viability and inhibiting reactive oxygen species (ROS) in Aβ25-35-induced SK-N-SH cells. Ciproxifan significantly improved the behavioural parameters in RAM. Ciproxifan however, did not alter the Aβ levels in APP transgenic mice. Ciproxifan increased ACh and showed anti-oxidant properties by reducing NO and LPO levels as well as enhancing antioxidant levels. The neuroinflammatory analysis showed that ciproxifan reduced both COX-1 and COX-2 activities, decreased the level of pro-inflammatory cytokines IL-1α, IL-1β and IL-6 and increased the level of anti-inflammatory cytokine TGF-1β. CONCLUSION This present study provides scientific evidence of the use of ciproxifan via antioxidant and cholinergic pathways in the management of AD.
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Affiliation(s)
- Vasudevan Mani
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia; Brain Degeneration and Therapeutics Group, Pharmaceutical & Life Sciences CoRe, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia; Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraidah 51452, Saudi Arabia.
| | - Siti Murnirah Jaafar
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia
| | - Nur Syamimi Mohd Azahan
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia
| | - Kalavathy Ramasamy
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia; Collaborative Drug Discovery Research (CDDR) Group, Pharmaceutical & Life Sciences CoRe, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
| | - Siong Meng Lim
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia; Collaborative Drug Discovery Research (CDDR) Group, Pharmaceutical & Life Sciences CoRe, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
| | - Long Chiau Ming
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia; Brain Degeneration and Therapeutics Group, Pharmaceutical & Life Sciences CoRe, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia; Unit for Medication Outcomes Research and Education (UMORE), Pharmacy, School of Medicine, University of Tasmania, Hobart, Australia
| | - Abu Bakar Abdul Majeed
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), 42300 Bandar Puncak Alam, Selangor, Malaysia; Brain Degeneration and Therapeutics Group, Pharmaceutical & Life Sciences CoRe, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
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Luo T, Wang Y, Qin J, Liu ZG, Liu M. Histamine H3 Receptor Antagonist Prevents Memory Deficits and Synaptic Plasticity Disruption Following Isoflurane Exposure. CNS Neurosci Ther 2017; 23:301-309. [PMID: 28168839 DOI: 10.1111/cns.12675] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 12/22/2016] [Accepted: 12/24/2016] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Exposure to pharmacological concentration of inhaled anesthetics such as isoflurane can cause short- or long-term cognitive impairments in preclinical studies. The selective antagonists of the histamine H3 receptors are considered as a promising group of novel therapeutic agents for the treatment of cognitive disorders. In this study, we investigated whether ciproxifan, a nonimidazole antagonist of H3 histamine receptors, could overcome the functional and electrophysiological sequela associated with isoflurane anesthesia. METHODS Adult male Sprague Dawley rats were exposed to 1.4% isoflurane or vehicle gas for 2 h. The memory tests (novel object recognition and passive avoidance) as well as in vivo hippocampal excitatory synaptic potentials were recorded 24 h postanesthesia. Locomotor activity, anxiety, and nociception 24 h after isoflurane were also examined. The drugs (ciproxifan 3 mg/kg or saline) were intraperitoneally injected 30 min prior to the behavioral tests or long-term potentiation induction. RESULTS Animals that were previously (24 h) exposed to 1.4% isoflurane for 2 h displayed no preference for novel objects and had impaired retention of a passive avoidance response at 1 h after sample phase. Treating isoflurane-exposed rats with ciproxifan significantly improved the memory performance, as evidenced by an increased discrimination ratio in objects recognition and prolonged retention time in passive avoidance test. Accordingly, hippocampus long-term potentiation was reduced in animals that received isoflurane, while administration of ciproxifan completely abolished the effect of isoflurane exposure on synaptic plasticity. Neither isoflurane nor ciproxifan altered motor performance, anxiety, and nociceptive responses. CONCLUSION These results suggest that H3R in the CNS, probably in the hippocampus, may serve as therapeutic target for improvement of anesthesia-associated cognitive deficits.
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Affiliation(s)
- Tao Luo
- Department of Anesthesiology, Peking University Shenzhen Hospital, Shenzhen, China
| | - Ying Wang
- Materials Characterization and Preparation Center, Southern University of Science and Technology, Shenzhen, China
| | - Jian Qin
- Central Laboratory, Wuhan University Renmin Hospital, Wuhan, China
| | - Zhi-Gang Liu
- Department of Anesthesiology, Wuhan University Renmin Hospital, Wuhan, China
| | - Min Liu
- Central Laboratory, Wuhan University Renmin Hospital, Wuhan, China
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Moreira PS, Almeida PR, Leite-Almeida H, Sousa N, Costa P. Impact of Chronic Stress Protocols in Learning and Memory in Rodents: Systematic Review and Meta-Analysis. PLoS One 2016; 11:e0163245. [PMID: 27662580 PMCID: PMC5035061 DOI: 10.1371/journal.pone.0163245] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 08/31/2016] [Indexed: 12/21/2022] Open
Abstract
The idea that maladaptive stress impairs cognitive function has been a cornerstone of decades in basic and clinical research. However, disparate findings have reinforced the need to aggregate results from multiple sources in order to confirm the validity of such statement. In this work, a systematic review and meta-analyses were performed to aggregate results from rodent studies investigating the impact of chronic stress on learning and memory. Results obtained from the included studies revealed a significant effect of stress on global cognitive performance. In addition, stressed rodents presented worse consolidation of learned memories, although no significantly differences between groups at the acquisition phase were found. Despite the methodological heterogeneity across studies, these effects were independent of the type of stress, animals’ strains or age. However, our findings suggest that stress yields a more detrimental effect on spatial navigation tests’ performance. Surprisingly, the vast majority of the selected studies in this field did not report appropriate statistics and were excluded from the quantitative analysis. We have therefore purposed a set of guidelines termed PROBE (Preferred Reporting Orientations for Behavioral Experiments) to promote an adequate reporting of behavioral experiments.
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Affiliation(s)
- Pedro Silva Moreira
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal
- ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Clinical Academic Center–Braga, Braga, Portugal
| | - Pedro R Almeida
- School of Criminology, Faculty of Law, University of Porto, Porto, Portugal
| | - Hugo Leite-Almeida
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal
- ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal
- ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Clinical Academic Center–Braga, Braga, Portugal
- * E-mail:
| | - Patrício Costa
- Life and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal
- ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Clinical Academic Center–Braga, Braga, Portugal
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Sadek B, Saad A, Sadeq A, Jalal F, Stark H. Histamine H3 receptor as a potential target for cognitive symptoms in neuropsychiatric diseases. Behav Brain Res 2016; 312:415-30. [PMID: 27363923 DOI: 10.1016/j.bbr.2016.06.051] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 06/22/2016] [Accepted: 06/26/2016] [Indexed: 01/27/2023]
Abstract
The potential contributions of the brain histaminergic system in neurodegenerative diseases, and the possiblity of histamine-targeting treatments is attracting considerable interests. The histamine H3 receptor (H3R) is expressed mainly in the central nervous system, and is, consequently, an attractive pharmacological target. Although recently described clinical trials have been disappointing in attention deficit hyperactivity disorder (ADHD) and schizophrenia (SCH), numerous H3R antagonists, including pitolisant, demonstrate potential in the treatment of narcolepsy, excessive daytime sleepiness associated with cognitive impairment, epilepsy, and Alzheimer's disease (AD). This review focuses on the recent preclinical as well as clinical results that support the relevance of H3R antagonists for the treatment of cognitive symptoms in neuropsychiatric diseases, namely AD, epilepsy and SCH. The review summarizes the role of histaminergic neurotransmission with focus on these brain disorders, as well as the effects of numerous H3R antagonists on animal models and humans.
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Affiliation(s)
- Bassem Sadek
- Department of Pharmacology & Therapeutics, College of Medicine & Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates.
| | - Ali Saad
- Department of Pharmacology & Therapeutics, College of Medicine & Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates
| | - Adel Sadeq
- College of Pharmacy, Al Ain University of Science and Technology, Al Ain, United Arab Emirates
| | - Fakhreya Jalal
- Department of Pharmacology & Therapeutics, College of Medicine & Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates
| | - Holger Stark
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University, Universitaetsstr. 1, 40225 Düsseldorf, Germany
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Ciproxifan, an H3 receptor antagonist, improves short-term recognition memory impaired by isoflurane anesthesia. J Anesth 2016; 30:684-90. [DOI: 10.1007/s00540-016-2189-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 05/05/2016] [Indexed: 02/04/2023]
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Nuutinen S, Mäki T, Rozov S, Bäckström P, Hyytiä P, Piepponen P, Panula P. Histamine H3 receptor antagonist decreases cue-induced alcohol reinstatement in mice. Neuropharmacology 2015; 106:156-63. [PMID: 26107118 DOI: 10.1016/j.neuropharm.2015.06.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 06/12/2015] [Accepted: 06/13/2015] [Indexed: 12/20/2022]
Abstract
We have earlier found that the histamine H3 receptor (H3R) antagonism diminishes motivational aspects of alcohol reinforcement in mice. Here we studied the role of H3Rs in cue-induced reinstatement of alcohol seeking in C57BL/6J mice using two different H3R antagonists. Systemic administration of H3R antagonists attenuated cue-induced alcohol seeking suggesting that H3R antagonists may reduce alcohol craving. To understand how alcohol affects dopamine and histamine release, a microdialysis study was performed on C57BL/6J mice and the levels of histamine, dopamine and dopamine metabolites were measured in the nucleus accumbens. Alcohol administration was combined with an H3R antagonist pretreatment to reveal whether modulation of H3R affects the effects of alcohol on neurotransmitter release. Alcohol significantly increased the release of dopamine in the nucleus accumbens but did not affect histamine release. Pretreatment with H3R antagonist ciproxifan did not modify the effect of alcohol on dopamine release. However, histamine release was markedly increased with ciproxifan. In conclusion, our findings demonstrate that H3R antagonism attenuates cue-induced reinstatement of alcohol seeking in mice. Alcohol alone does not affect histamine release in the nucleus accumbens but H3R antagonist instead increases histamine release significantly suggesting that the mechanism by which H3R antagonist inhibits alcohol seeking found in the present study and the decreased alcohol reinforcement, reward and consumption found earlier might include alterations in the histaminergic neurotransmission in the nucleus accumbens. These findings imply that selective antagonists of H3Rs could be a therapeutic strategy to prevent relapse and possibly diminish craving to alcohol use. This article is part of the Special Issue entitled 'Histamine Receptors'.
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Affiliation(s)
- Saara Nuutinen
- Department of Anatomy, University of Helsinki, Finland; Neuroscience Center, University of Helsinki, Finland; Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Finland
| | - Tiia Mäki
- Department of Anatomy, University of Helsinki, Finland; Neuroscience Center, University of Helsinki, Finland
| | - Stanislav Rozov
- Department of Anatomy, University of Helsinki, Finland; Neuroscience Center, University of Helsinki, Finland
| | - Pia Bäckström
- Department of Pharmacology, University of Helsinki, Finland
| | - Petri Hyytiä
- Department of Pharmacology, University of Helsinki, Finland
| | - Petteri Piepponen
- Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Finland
| | - Pertti Panula
- Department of Anatomy, University of Helsinki, Finland; Neuroscience Center, University of Helsinki, Finland.
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Trofimiuk E, Braszko JJ. Ciproxifan differentially modifies cognitive impairment evoked by chronic stress and chronic corticosterone administration in rats. Behav Brain Res 2015; 283:145-53. [PMID: 25639546 DOI: 10.1016/j.bbr.2015.01.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Revised: 01/20/2015] [Accepted: 01/22/2015] [Indexed: 12/12/2022]
Abstract
Despite the development of neuroscience and spectacular discoveries, the clear functions and the role of histamine are still not fully understood, especially in the context of the negative impact of prolonged stress exposure on the cognition. The purpose of this study was to evaluate the participation of hypercortisolemia in the detrimental effect of stress on cognitive function and their preclusion by affecting the histaminergic system with ciproxifan. Specifically, we attempted to characterize the preventive action of a single dose of ciproxifan (3mg/kg, i.p.) against an impairment caused by chronic restraint stress as well as parallel exogenous corticosterone (equivalent to that seen in chronically stressed rats), and show differences in the interaction on reference and working memories tested in both aversive (Morris water maze - MWM) and appetitive (Barnes maze-BM) incentives. We found that administration of ciproxifan potently prevented equally deleterious effects of chronic restraint stress (p<0.01) as well as prolonged administration of corticosterone (p<0.01), especially in the tests, which themselves generate high levels of stress. As it turns out, test provided in the less stressful conditions (BM) showed that administration of the H3 receptor antagonist to naïve rats resulted in even memory impairment (p<0.01, in some aspects of reference memory). These data support the idea that modulation of H3 receptors represents a novel and viable therapeutic strategy in the treatment but rather not for prevention of stress-evoked cognitive impairments. Even a single dose abolishes the effect of prolonged exposure to stress or steroids.
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Affiliation(s)
- Emil Trofimiuk
- Department of Clinical Pharmacology, Medical University of Bialystok, Waszyngtona 15A, 15-274 Bialystok, Poland.
| | - Jan J Braszko
- Department of Clinical Pharmacology, Medical University of Bialystok, Waszyngtona 15A, 15-274 Bialystok, Poland
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Baronio D, Castro K, Gonchoroski T, de Melo GM, Nunes GDF, Bambini-Junior V, Gottfried C, Riesgo R. Effects of an H3R antagonist on the animal model of autism induced by prenatal exposure to valproic acid. PLoS One 2015; 10:e0116363. [PMID: 25560049 PMCID: PMC4283962 DOI: 10.1371/journal.pone.0116363] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Accepted: 12/08/2014] [Indexed: 12/17/2022] Open
Abstract
Autism spectrum disorders (ASD) are a group of neurodevelopmental disorders primarily characterized by impaired social interaction and communication, and by restricted repetitive behaviors and interests. Ligands of histamine receptor 3 (H3R) are considered potential therapeutic agents for the treatment of different brain disorders and cognitive impairments. Considering this, the aim of the present study is to evaluate the actions of ciproxifan (CPX), an H3R antagonist, on the animal model of autism induced by prenatal exposure to valproic acid (VPA). Swiss mice were prenatally exposed to VPA on embryonic day 11 and assessed for social behavior, nociceptive threshold and repetitive behavior at 50 days of life. The treatment with CPX (3 mg/kg) or saline was administered 30 minutes before each behavioral test. The VPA group presented lower sociability index compared to VPA animals that were treated with CPX. Compared to the Control group, VPA animals presented a significantly higher nociceptive threshold, and treatment with CPX was not able to modify this parameter. In the marble burying test, the number of marbles buried by VPA animals was consistent with markedly repetitive behavior. VPA animals that received CPX buried a reduced amount of marbles. In summary, we report that an acute dose of CPX is able to attenuate sociability deficits and stereotypies present in the VPA model of autism. Our findings have the potential to help the investigations of both the molecular underpinnings of ASD and of possible treatments to ameliorate the ASD symptomatology, although more research is still necessary to corroborate and expand this initial data.
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Affiliation(s)
- Diego Baronio
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Postgraduate Program in Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- * E-mail:
| | - Kamila Castro
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Postgraduate Program in Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Taylor Gonchoroski
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gabriela Mueller de Melo
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gustavo Della Flora Nunes
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Victorio Bambini-Junior
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Carmem Gottfried
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Rudimar Riesgo
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Postgraduate Program in Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Child Neurology Unit, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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