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Chen ZK, Liu YY, Zhou JC, Chen GH, Liu CF, Qu WM, Huang ZL. Insomnia-related rodent models in drug discovery. Acta Pharmacol Sin 2024; 45:1777-1792. [PMID: 38671193 PMCID: PMC11335876 DOI: 10.1038/s41401-024-01269-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] [Received: 11/09/2023] [Accepted: 03/24/2024] [Indexed: 04/28/2024] Open
Abstract
Despite the widespread prevalence and important medical impact of insomnia, effective agents with few side effects are lacking in clinics. This is most likely due to relatively poor understanding of the etiology and pathophysiology of insomnia, and the lack of appropriate animal models for screening new compounds. As the main homeostatic, circadian, and neurochemical modulations of sleep remain essentially similar between humans and rodents, rodent models are often used to elucidate the mechanisms of insomnia and to develop novel therapeutic targets. In this article, we focus on several rodent models of insomnia induced by stress, diseases, drugs, disruption of the circadian clock, and other means such as genetic manipulation of specific neuronal activity, respectively, which could be used to screen for novel hypnotics. Moreover, important advantages and constraints of some animal models are discussed. Finally, this review highlights that the rodent models of insomnia may play a crucial role in novel drug development to optimize the management of insomnia.
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Affiliation(s)
- Ze-Ka Chen
- Department of Pharmacology, School of Basic Medical Sciences; State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science; Joint International Research Laboratory of Sleep; and Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Yuan-Yuan Liu
- Department of Pharmacology, School of Basic Medical Sciences; State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science; Joint International Research Laboratory of Sleep; and Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Ji-Chuan Zhou
- Department of Pharmacology, School of Basic Medical Sciences; State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science; Joint International Research Laboratory of Sleep; and Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Gui-Hai Chen
- Department of Neurology (Sleep Disorders), the Affiliated Chaohu Hospital of Anhui Medical University, Hefei, 238000, China
| | - Chun-Feng Liu
- Department of Neurology and Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China.
| | - Wei-Min Qu
- Department of Pharmacology, School of Basic Medical Sciences; State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science; Joint International Research Laboratory of Sleep; and Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
| | - Zhi-Li Huang
- Department of Pharmacology, School of Basic Medical Sciences; State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science; Joint International Research Laboratory of Sleep; and Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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Du J, He SZ, Li MJ, Wu C, Zheng WK, Zhang LY, Heng CN, Ni CP, Lang HJ. The relationship between psychosocial job stressors and insomnia: The mediating role of psychological capital. Nurs Open 2023. [PMID: 36929116 DOI: 10.1002/nop2.1693] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 01/14/2023] [Accepted: 02/14/2023] [Indexed: 03/18/2023] Open
Abstract
AIM This study aimed to examine the association of job-related stressors and insomnia; to determine the association of psychological capital and insomnia; and to explore whether psychological capital mediates the association between job-related stressors and insomnia among Chinese nurses. DESIGN A cross-sectional questionnaire survey. METHODS The STROBE statement was utilized to guide the study. A total of 810 nurses from one tertiary grade hospital in Shan Dong Province, China, were recruited for the present study and a total of 658 valid questionnaires were obtained (effective recovery rate: 81.2%). The study survey consisted of demographic variables, psychological capital, job stress and insomnia. Descriptive analysis, independent-samples T-test, one-way analysis of variance, stratified regression analysis, Pearson correlation analyses, ordinary least-squares regression and the bootstrap method were used to analyse data. RESULTS Findings of the study determined that demographic, work-related, behavioural and work setting (i.e. working hours, chronic disease, negative life events, smoking behaviour and night shift) factors were differentially associated with experiences of insomnia. The empirical study showed that psychological capital had statistically significant mediating effects between job stressors and insomnia. PUBLIC CONTRIBUTION This study explored the factors associated with nurses' psychological job stressors and insomnia. Some of the associated factors could be used for the prevention and mitigation of psychosocial dysfunction among nurses. This study found nurses in surgery, emergency department, ICU, working >40 h a week, with chronic illness, experiencing negative life events, shift work and high effort, high overcommitment and low reward had higher scores of insomnia respectively. The results of this study also showed that reward was correlated with the increase of psychological capital, and the increase of psychological capital was correlated with the decrease of insomnia in nurses. On the contrary, effort and overcommitment decreased psychological capital, and then increased insomnia among nurses. These findings have important implications for future research and policy interventions to improve sleep quality of nurses and enhance nurses' health and patients' safety. This study significantly suggests that improving nurses' psychological capital is a potential way to help nurses improve sleep quality when psychosocial job stressors are difficult external environment to change.
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Affiliation(s)
- Juan Du
- School of Nursing, The Fourth Military Medical University, Xi'an, China
| | - Shi-Zhe He
- School of Nursing, The Fourth Military Medical University, Xi'an, China
| | - Min-Jie Li
- The Department of Nursing, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Chao Wu
- School of Nursing, The Fourth Military Medical University, Xi'an, China
| | - Wen-Kai Zheng
- Basic Medical College of Inner Mongolia Medical University, Hohhot, China
| | - Lin-Yuan Zhang
- School of Nursing, The Fourth Military Medical University, Xi'an, China
| | - Chun-Ni Heng
- Department of Endocrinology, Tangdu Hospital, the Fourth Military Medical University (Air Force Medical University), Xi'an, China
| | - Chun-Ping Ni
- School of Nursing, The Fourth Military Medical University, Xi'an, China
| | - Hong-Juan Lang
- School of Nursing, The Fourth Military Medical University, Xi'an, China
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Volgin AD, Yakovlev OA, Demin KA, Alekseeva PA, Kyzar EJ, Collins C, Nichols DE, Kalueff AV. Understanding Central Nervous System Effects of Deliriant Hallucinogenic Drugs through Experimental Animal Models. ACS Chem Neurosci 2019; 10:143-154. [PMID: 30252437 DOI: 10.1021/acschemneuro.8b00433] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Hallucinogenic drugs potently alter human behavior and have a millennia-long history of use for medicinal and religious purposes. Interest is rapidly growing in their potential as CNS modulators and therapeutic agents for brain conditions. Antimuscarinic cholinergic drugs, such as atropine and scopolamine, induce characteristic hyperactivity and dream-like hallucinations and form a separate group of hallucinogens known as "deliriants". Although atropine and scopolamine are relatively well-studied drugs in cholinergic physiology, deliriants represent the least-studied class of hallucinogens in terms of their behavioral and neurological phenotypes. As such, novel approaches and new model organisms are needed to investigate the CNS effects of these compounds. Here, we comprehensively evaluate the preclinical effects of deliriant hallucinogens in various animal models, their mechanisms of action, and potential interplay with other signaling pathways. We also parallel experimental and clinical findings on deliriant agents and outline future directions of translational research in this field.
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Affiliation(s)
- Andrey D. Volgin
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
- Almazov National Medical Research Centre, St. Petersburg 197341, Russia
- Military Medical Academy, St. Petersburg 194044, Russia
| | - Oleg A. Yakovlev
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
- Almazov National Medical Research Centre, St. Petersburg 197341, Russia
- Military Medical Academy, St. Petersburg 194044, Russia
| | | | | | - Evan J. Kyzar
- College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612, United States
- The International Zebrafish Neuroscience Research Consortium (ZNRC), New Orleans, Louisiana 70458, United States
| | - Christopher Collins
- The International Zebrafish Neuroscience Research Consortium (ZNRC), New Orleans, Louisiana 70458, United States
| | - David E. Nichols
- Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Allan V. Kalueff
- School of Pharmacy, Southwest University, Chongqing 400716, China
- Scientific Research Institute of Physiology and Basic Medicine, Novosibirsk 630117, Russiai
- Ural Federal University, Ekaterinburg 620075, Russia
- ZENEREI Research Center, Slidell, Louisiana 70458, United States
- Laboratory of Biological Psychiatry, Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russia
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Ge T, Zhang Z, Lv J, Song Y, Fan J, Liu W, Wang X, Hall FS, Li B, Cui R. The role of 5-HT 2c receptor on corticosterone-mediated food intake. J Biochem Mol Toxicol 2017; 31. [PMID: 28186389 DOI: 10.1002/jbt.21890] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Revised: 12/13/2016] [Accepted: 12/16/2016] [Indexed: 11/07/2022]
Abstract
Corticosterone plays an important role in feeding behavior. However, its mechanism remains unclear. Therefore, the present study aimed to investigate the effect of corticosterone on feeding behavior. In this study, cumulative food intake was increased by acute corticosterone administration in a dose-dependent manner. Administration of the 5-HT2c receptor agonist m-chlorophenylpiperazin (mCPP) reversed the effect of corticosterone on food intake. The anorectic effects of mCPP were also blocked by the 5-HT2c receptor antagonist RS102221 in corticosterone-treated mice. Both corticosterone and mCPP increased c-Fos expression in hypothalamic nuclei, but not the nucleus of the solitary tract. RS102221 inhibited c-Fos expression induced by mCPP, but not corticosterone. In addition, mCPP had little effect on TH and POMC levels in the hypothalamus. Furthermore, mCPP antagonized decreasing effect of the leptin produced by corticosterone. Taken together, our findings suggest that 5-HT2c receptors and leptin may be involved in the effects of corticosterone-induced hyperphagia.
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Affiliation(s)
- Tongtong Ge
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
| | - Zhuo Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University 126 Xiantai Street, Nanguan District, Changchun, 13033, People's Republic of China
| | - Jiayin Lv
- Department of Orthopedics, China-Japan Union Hospital of Jilin University 126 Xiantai Street, Nanguan District, Changchun, 13033, People's Republic of China
| | - Yunong Song
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
| | - Jie Fan
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
| | - Wei Liu
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
| | - Xuefeng Wang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
| | - F Scott Hall
- Department of Pharmacology and Experimental Therapeutics, University of Toledo College of Pharmacy and Pharmaceutical Sciences, Toledo, OH, USA
| | - Bingjin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
| | - Ranji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin, 130041, People's Republic of China
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Kahn M, Sheppes G, Sadeh A. Sleep and emotions: Bidirectional links and underlying mechanisms. Int J Psychophysiol 2013; 89:218-28. [DOI: 10.1016/j.ijpsycho.2013.05.010] [Citation(s) in RCA: 283] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 05/11/2013] [Accepted: 05/16/2013] [Indexed: 11/26/2022]
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Lv X, Li Q, Wu S, Sun J, Zhang M, Chen YJ. Psychological stress alters the ultrastructure and increases IL-1β and TNF-α in mandibular condylar cartilage. Braz J Med Biol Res 2012; 45:968-76. [PMID: 22714807 PMCID: PMC3854175 DOI: 10.1590/s0100-879x2012007500102] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2011] [Accepted: 05/28/2012] [Indexed: 01/24/2023] Open
Abstract
Psychological factors can be correlated with temporomandibular disorders (TMDs), but the mechanisms are unknown. In the present study, we examined the microstructural changes and expression of proinflammatory cytokines in mandibular condylar cartilage of the temporomandibular joint (TMJ) in a psychological stress animal model. Male Sprague-Dawley rats (8 weeks old, 210 ± 10 g) were randomly divided into 3 groups: psychological stress (PS, N = 48), foot shock (FS, N = 24), and control (N = 48). After inducing psychological stress using a communication box with the FS rats for 1, 3, or 5 weeks, PS rats were sacrificed and compared to their matched control littermates, which received no stress and were killed at the same times as the PS rats. Body and adrenal gland weight were measured and corticosterone and adrenocorticotropic hormone levels were determined by radioimmunoassay. After hematoxylin-eosin staining for histological observation, the ultrastructure of the TMJ was examined by scanning electron microscopy. Transcription and protein levels of interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) were evaluated by ELISA and semi-quantitative RT-PCR. The PS group showed a significantly higher adrenal gland weight after 3 weeks of stress and higher hormone levels at weeks 1, 3, and 5. Histopathological changes and thinning cartilage were apparent at weeks 3 and 5. In the PS group, TNF-α increased at 1, 3, and 5 weeks and IL-1β increased significantly after 1 and 3 weeks of stress, and then decreased to normal levels by 5 weeks. Psychological stress increased plasma hormone levels and RT-PCR indicated increased IL-1β and TNF-α expression in the TMJ in a time-dependent manner. These results suggest that cytokine up-regulation was accompanied by stress-induced cartilage degeneration in the mandibular condyle. The proinflammatory cytokines play a potential role in initiating the cartilage destruction that eventually leads to the TMDs.
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Affiliation(s)
- Xin Lv
- Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, China
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Cui R, Li B, Suemaru K, Araki H. The effect of baclofen on alterations in the sleep patterns induced by different stressors in rats. J Pharmacol Sci 2009; 109:518-24. [PMID: 19352076 DOI: 10.1254/jphs.08068fp] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
We have previously reported that sleep patterns are significantly affected by both physical and psychological stress induced by a communication box; however, the mechanism by which stress alters sleep patterns was not established. In the present study, we investigated the role of gamma-aminobutyric acid (GABA), acting through the GABA(B) receptor, on stress-induced changes in sleep patterns. Our results show that physical stress increased the total wakefulness time by increasing sleep latency and inhibiting both rapid eye movement (REM) and non rapid eye movement (NREM) sleep during a 6 h sleep-recording period. The GABA(B) agonist baclofen (20 pmol/2 microl) attenuated the effects of physical stress on sleep latency, total wakefulness, and NREM sleep, but not total REM sleep. In contrast, psychological stress enhanced total REM sleep and shortened REM sleep latency without altering other sleep patterns. The effect of psychological stress on total REM sleep was also reversed by baclofen. These results suggest that GABA via GABA(B) receptors may play a role in the regulation of specific sleep patterns by both physical and psychological stress.
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Affiliation(s)
- Ranji Cui
- Department of Clinical Pharmacology and Pharmacy, Brain Science, Ehime University Graduate School of Medicine, Shitsukawa Toon, Ehime, Japan
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Papale L, Andersen M, Perry J, Tufik S. Participation of the cholinergic system in the ethanol-induced suppression of paradoxical sleep in rats. Braz J Med Biol Res 2008; 41:782-8. [DOI: 10.1590/s0100-879x2008000900007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2007] [Accepted: 08/20/2008] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | - J.C. Perry
- Universidade Federal de São Paulo, Brasil
| | - S. Tufik
- Universidade Federal de São Paulo, Brasil
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