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Nasu T, Kainuma R, Ota H, Mizumura K, Taguchi T. Increased nociceptive behaviors and spinal c-Fos expression in the formalin test in a rat repeated cold stress model. Neurosci Res 2024; 198:30-38. [PMID: 37392833 DOI: 10.1016/j.neures.2023.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/03/2023]
Abstract
Repeated cold stress (RCS) can trigger the development of fibromyalgia (FM)-like symptoms, including persistent deep-tissue pain, although nociceptive changes to the skin have not been fully characterized. Using a rat RCS model, we investigated nociceptive behaviors induced by noxious mechanical, thermal, and chemical stimuli applied to plantar skin. Neuronal activation in the spinal dorsal horn was examined using the formalin pain test. In rats exposed to RCS, nociceptive behavioral hypersensitivity was observed in all modalities of cutaneous noxious stimuli: the mechanical withdrawal threshold was decreased, and the heat withdrawal latency was shortened one day after the cessation of stress. The duration of nocifensive behaviors in the formalin test was prolonged in phase II but not in phase I. The number of c-Fos-positive neurons increased in the entire dorsal horn laminae I-VI, ipsilateral, but not contralateral, to formalin injection at the L3-L5 segments. The duration of nocifensive behavior in phase II was significantly and positively correlated with the number of c-Fos-positive neurons in laminae I-II. These results demonstrate that cutaneous nociception is facilitated in rats exposed to RCS for a short time and that the spinal dorsal horn neurons are hyperactivated by cutaneous formalin in the RCS model.
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Affiliation(s)
- Teruaki Nasu
- Department of Physical Therapy, College of Life and Health Sciences, Chubu University, Kasugai 487-8501, Japan; Department of Neuroscience II, Research Institute of Environmental Medicine, Nagoya University, Nagoya 464-8601, Japan
| | - Riku Kainuma
- Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare, Niigata 950-3198, Japan
| | - Hiroki Ota
- Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare, Niigata 950-3198, Japan; Institute for Human Movement and Medical Sciences (IHMMS), Niigata University of Health and Welfare, Niigata 950-3198, Japan
| | - Kazue Mizumura
- Department of Physical Therapy, College of Life and Health Sciences, Chubu University, Kasugai 487-8501, Japan; Department of Neuroscience II, Research Institute of Environmental Medicine, Nagoya University, Nagoya 464-8601, Japan; Department of Physiology, Nihon University School of Dentistry, Tokyo 101-8310, Japan
| | - Toru Taguchi
- Department of Neuroscience II, Research Institute of Environmental Medicine, Nagoya University, Nagoya 464-8601, Japan; Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare, Niigata 950-3198, Japan; Institute for Human Movement and Medical Sciences (IHMMS), Niigata University of Health and Welfare, Niigata 950-3198, Japan.
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Brum ES, Becker G, Fialho MFP, Oliveira SM. Animal models of fibromyalgia: What is the best choice? Pharmacol Ther 2021; 230:107959. [PMID: 34265360 DOI: 10.1016/j.pharmthera.2021.107959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 12/11/2022]
Abstract
Fibromyalgia (FM) is a complex syndrome, with an indefinite aetiology and intricate pathophysiology that affects 2 - 3% of the world population. From the beginning of the 2000s, experimental animal models have been developed to mimic clinical FM and help obtain a better understanding of the relevant neurobiology. These animal models have enabled a broad study of FM symptoms and mechanisms, as well as new treatment strategies. Current experimental FM models include the reserpine-induced systemic depletion of biogenic amines, muscle application of acid saline, and stress-based (cold, sound, or swim) approaches, among other emerging models. FM models should: (i) mimic the cardinal symptoms and complaints reported by FM patients (e.g., spontaneous nociception, muscle pain, hypersensitivity); (ii) mimic primary comorbidities that can aggravate quality of life and lead to worse outcomes (e.g., fatigue, sleep disturbance, depression, anxiety); (iii) mimic the prevalent pathological mechanisms (e.g., peripheral and central sensitization, inflammation/neuroinflammation, change in the levels of the excitatory and inhibitory neurotransmitters); and (iv) demonstrate a pharmacological profile similar to the clinical treatment of FM. However, it is difficult for any one of these models to include the entire spectrum of clinical FM features once even FM patients are highly heterogeneous. In the past six years (2015 - 2020), a wide range of experimental FM studies has amounted to the literature reinforcing the need for an updated review. Here we have described, in detail, several approaches used to experimentally study FM, with a focus on recent studies in the field and in previously less discussed mechanisms. We highlight each model's challenges, limitations, and future directions, intending to help preclinical researchers establish the correct experimental FM model to use depending on their goals.
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Affiliation(s)
- Evelyne Silva Brum
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Gabriela Becker
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Maria Fernanda Pessano Fialho
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Sara Marchesan Oliveira
- Graduate Program in Biological Sciences: Biochemistry Toxicology, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil; Department of Biochemistry and Molecular Biology, Centre of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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Wakatsuki K, T-Uchimura Y, Matsubara T, Nasu T, Mizumura K, Taguchi T. Peripheral nociceptive mechanisms in an experimental rat model of fibromyalgia induced by repeated cold stress. Neurosci Res 2021; 162:22-30. [PMID: 31891739 DOI: 10.1016/j.neures.2019.12.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 12/06/2019] [Accepted: 12/19/2019] [Indexed: 01/15/2023]
Abstract
Fibromyalgia (FM) is a debilitating disease characterized by generalized and persistent musculoskeletal pain. Although central mechanisms are strongly implicated in the pathogenesis of FM, the involvement of peripheral mechanisms is poorly understood. To understand the peripheral nociceptive mechanisms, we examined muscular nociceptors in an FM model, which was made by exposing rats to repeated cold stress (RCS). A single muscle C-fiber nociceptors were identified through the teased fiber technique using ex vivo muscle-nerve preparations. Response properties of C-fibers to noxious stimuli were systematically analyzed. Messenger RNA expression of neurotrophic factors and inflammatory mediators were also studied in the muscle. In the RCS group, the mechanical response threshold of C-fibers, measured using a ramp mechanical stimulus, was significantly decreased, and the response magnitude was significantly increased in the RCS group when compared with the SHAM group, where the environmental temperature was not altered. The general characteristics of C-fibers and the responsiveness to noxious cold and heat stimuli were similar between the two groups. Messenger RNAs of neurotrophic factors and inflammatory mediators were not changed in the muscle during and after RCS. These results suggest that augmentation of the mechanical response of muscle C-fiber nociceptors contributes to hyperalgesia in the RCS model.
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Tsubota M, Miyamoto T, Hiruma S, Saeki H, Miyazaki T, Sekiguchi F, Funakami Y, Kawabata A. Repeated Cold Stress Reduces Cyclophosphamide-Induced Cystitis/Bladder Pain and Macrophage Activity in Mice. Pharmacology 2017; 99:286-290. [PMID: 28253499 DOI: 10.1159/000461588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 02/10/2017] [Indexed: 11/19/2022]
Abstract
We examined the effect of repeated cold (RC) stress on cyclophosphamide (CPA)-induced cystitis/bladder pain in mice, in relation to macrophage activity. CPA, given i.p. at 400 mg/kg, caused bladder pain symptoms accompanying cystitis in both unstressed and RC-stressed mice, which were prevented by the macrophage inhibitor minocycline. A low dose, that is, 200 mg/kg, of CPA still produced bladder pain symptoms in unstressed but not RC-stressed mice. Lipopolysaccharide-induced cytokine production in peritoneal macrophages from RC-stressed mice was less than that from unstressed mice. Thus, RC stress appears to reduce CPA-induced bladder pain in mice, which may be associated with the decreased macrophage activity.
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Affiliation(s)
- Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (Formerly Kinki University), Higashi-osaka, Japan
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Miyamoto T, Funakami Y, Kawashita E, Tomita S, Nomura A, Sugimoto N, Saeki H, Miyazakia T, Tsubota M, Ichida S, Kawabata A. Enhanced Hyperthermic Responses to Lipopolysaccharide in Mice Exposed to Repeated Cold Stress. Pharmacology 2017; 99:172-178. [DOI: 10.1159/000454815] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 11/29/2016] [Indexed: 11/19/2022]
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Miyamoto T, Funakami Y, Kawashita E, Nomura A, Sugimoto N, Saeki H, Tsubota M, Ichida S, Kawabata A. Repeated Cold Stress Enhances the Acute Restraint Stress-Induced Hyperthermia in Mice. Biol Pharm Bull 2017; 40:11-16. [DOI: 10.1248/bpb.b16-00343] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Tomoyoshi Miyamoto
- Faculty of Pharmacy, Kindai University
- Department of Pharmacy, Seichokai Fuchu Hospital
| | | | | | - Ai Nomura
- Faculty of Pharmacy, Kindai University
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Khaloo P, Sadeghi B, Ostadhadi S, Norouzi-Javidan A, Haj-Mirzaian A, Zolfagharie S, Dehpour AR. Lithium attenuated the behavioral despair induced by acute neurogenic stress through blockade of opioid receptors in mice. Biomed Pharmacother 2016; 83:1006-1015. [DOI: 10.1016/j.biopha.2016.08.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 08/04/2016] [Accepted: 08/07/2016] [Indexed: 11/25/2022] Open
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Frange C, Hirotsu C, Hachul H, Araujo P, Tufik S, Andersen ML. Fibromyalgia and Sleep in Animal Models: A Current Overview and Future Directions. Curr Pain Headache Rep 2014; 18. [DOI: 10.1007/s11916-014-0434-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Lin Z, Dodd CA, Filipov NM. Short-term atrazine exposure causes behavioral deficits and disrupts monoaminergic systems in male C57BL/6 mice. Neurotoxicol Teratol 2013; 39:26-35. [DOI: 10.1016/j.ntt.2013.06.002] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 06/06/2013] [Accepted: 06/06/2013] [Indexed: 11/24/2022]
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Strekalova T, Couch Y, Kholod N, Boyks M, Malin D, Leprince P, Steinbusch HM. Update in the methodology of the chronic stress paradigm: internal control matters. Behav Brain Funct 2011; 7:9. [PMID: 21524310 DOI: 10.1186/1744-9081-7-9] [Citation(s) in RCA: 109] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2010] [Accepted: 04/27/2011] [Indexed: 01/21/2023] Open
Abstract
To date, the reliability of induction of a depressive-like state using chronic stress models is confronted by many methodological limitations. We believe that the modifications to the stress paradigm in mice proposed herein allow some of these limitations to be overcome. Here, we discuss a variant of the standard stress paradigm, which results in anhedonia. This anhedonic state was defined by a decrease in sucrose preference that was not exhibited by all animals. As such, we propose the use of non-anhedonic, stressed mice as an internal control in experimental mouse models of depression. The application of an internal control for the effects of stress, along with optimized behavioural testing, can enable the analysis of biological correlates of stress-induced anhedonia versus the consequences of stress alone in a chronic-stress depression model. This is illustrated, for instance, by distinct physiological and molecular profiles in anhedonic and non-anhedonic groups subjected to stress. These results argue for the use of a subgroup of individuals who are negative for the induction of a depressive phenotype during experimental paradigms of depression as an internal control, for more refined modeling of this disorder in animals.
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Abstract
Although there is evidence of the involvement of N-methyl-D-aspartate receptors (NMDAR) in the action of lithium, its role in the antidepressant effects of lithium in a behavioural model remains unclear. In this study, we evaluated the effects of NMDAR antagonists on the antidepressant-like effects of lithium in the mouse forced swimming test. Lithium (30 and 100 mg/kg, i.p.) significantly (P < 0.01) reduced the immobility times of mice, whereas at lower doses (5 and 10 mg/kg) had no effect. NMDA antagonists ketamine (2 and 5 mg/kg, i.p.), MK-801 (0.1 and 0.25 mg/kg, i.p.) and ifenprodil (1 and 3 mg/kg, i.p.) significantly (P < 0.05) decreased the immobility time. Lower doses of ketamine (0.5 and 1 mg/kg), MK-801 (0.01 and 0.05 mg/kg) and ifenprodil (0.1 and 0.5 mg/kg) had no effect. Combined treatment of subeffective doses of lithium (10 mg/kg) and ketamine (1 mg/kg), MK-801 (0.05 mg/kg) or ifenprodil (0.5 mg/kg) robustly (P < 0.001) exerted an antidepressant-like effect. The noneffective dose of a NMDA agonist (NMDA, 75 mg/kg, i.p.) prevented the antidepressant-like effect of lithium (30 mg/kg). None of the drugs at subactive doses or in combination with lithium had significant effect on the locomotor activity in the open field test. We for the first time suggested a role for NMDAR signalling in the antidepressant-like effects of lithium, providing a new approach for treatment of depression.
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Affiliation(s)
- M Ghasemi
- Department of Pharmacology, School of Medicine, Medical Sciences, University of Tehran, Tehran, Iran
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12
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Nasu T, Taguchi T, Mizumura K. Persistent deep mechanical hyperalgesia induced by repeated cold stress in rats. Eur J Pain 2009; 14:236-44. [PMID: 19560379 DOI: 10.1016/j.ejpain.2009.05.009] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2008] [Revised: 05/07/2009] [Accepted: 05/14/2009] [Indexed: 10/20/2022]
Abstract
Chronic muscle pain of the neck, shoulder and low back is quite common and often related to a stressed condition. In this study we tried to make a model of long-lasting muscle mechanical hyperalgesia based on one type of stress, repeated cold stress (RCS) (Kita T, Hata T, Yoneda R, Okage T. Stress state caused by alternation of rhythm in environmental temperature, and the functional disorders in mice and rats. Folia Pharmacol Jpn 1975;71:195-210). We first validated a method of measuring the muscle mechanical nociceptive threshold through skin, with surface anesthesia of the skin covering the muscle. We found that a pressure test using a Randall-Selitto analgesiometer equipped with a larger probe (varphi 2.6 mm) can measure the deep mechanical withdrawal threshold even under the presence of cutaneous punctuate hyperalgesia. RCS was performed by changing the temperature from 22 degrees C to either 4 degrees C (RCS at 4 degrees C) or -3 degrees C (RCS at -3 degrees C) every 30 min, and then maintained at 4 degrees C/-3 degrees C from 17:30 to 10:00 the next day. RCS at 4 degrees C for 5 days induced bilateral deep mechanical hyperalgesia lasting 2-3 weeks without cutaneous punctuate hyperalgesia. Deep mechanical hyperalgesia observed after RCS at -3 degrees C lasted longer ( approximately 6 weeks) and was severer than RCS at 4 degrees C. Bilateral cutaneous punctuate hyperalgesia was also observed with RCS at -3 degrees C. Intramuscular injection of lidocaine confirmed that the muscle was hyperalgesic. RCS might serve as a useful model for study of the mechanism of chronic muscle pain and its treatment.
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Affiliation(s)
- Teruaki Nasu
- Department of Neuroscience II, Research Institute of Environmental Medicine, Nagoya University, Nagoya 464-8601, Japan
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Hascoët M, Bourin M. The Forced Swimming Test in Mice: A Suitable Model to Study Antidepressants. Mood and Anxiety Related Phenotypes in Mice 2009. [DOI: 10.1007/978-1-60761-303-9_6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Ghasemi M, Sadeghipour H, Mosleh A, Sadeghipour HR, Mani AR, Dehpour AR. Nitric oxide involvement in the antidepressant-like effects of acute lithium administration in the mouse forced swimming test. Eur Neuropsychopharmacol 2008; 18:323-32. [PMID: 17728109 DOI: 10.1016/j.euroneuro.2007.07.011] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2007] [Revised: 07/26/2007] [Accepted: 07/31/2007] [Indexed: 11/29/2022]
Abstract
In the present study we evaluated the involvement of l-arginine/nitric oxide (NO)/cGMP pathway in the antidepressant-like effects of acute lithium administration in the mouse forced swimming test (FST). Lithium, at 30 and 100 mg/kg, significantly reduced the immobility times of mice in the FST, whereas at lower doses (0.5, 5 and 10 mg/kg) had no effect on the immobility time. The NO synthase (NOS) inhibitor N(G)-nitro-L-arginine methyl ester (L-NAME), at 10 and 30 mg/kg, and the selective neuronal NOS inhibitor N(omega)-propyl-L-arginine (L-NPA), at 5 and 15 mg/kg, had no significant effects on the FST, whereas they significantly decreased the immobility time at 100 and 30 mg/kg, respectively. Combination of non-effective dose of lithium (10 mg/kg) with low doses of L-NAME (30 mg/kg) or L-NPA (15 mg/kg) significantly reduced the immobility times in the FST. Moreover, the guanylyl cyclase inhibitor ODQ at 50 mg/kg significantly decreased the immobility time of mice, whereas it had not significant effects on the FST at 2, 10 and 20 mg/kg. Combination of lithium (10 mg/kg) with 20 mg/kg ODQ significantly decreased the immobility times in the FST. Non-effective doses of L-arginine (750 mg/kg) or sildenafil (5 mg/kg) significantly reversed the antidepressant-like effect of 30 mg/kg lithium in the FST. Neither of the drugs had effect on the locomotor activity. These data indicate the involvement of L-arginine/NO/cGMP pathway in the antidepressant-like effect of lithium in the mouse FST and also might suggest the concurrent administration of NOS inhibitors and lithium as an appropriate strategy for treatment of depression.
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Affiliation(s)
- Mehdi Ghasemi
- Department of Pharmacology, School of Medicine, Medical Sciences/University of Tehran, Tehran, Iran
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Rowe MK, Wiest C, Chuang DM. GSK-3 is a viable potential target for therapeutic intervention in bipolar disorder. Neurosci Biobehav Rev 2007; 31:920-31. [PMID: 17499358 PMCID: PMC2020444 DOI: 10.1016/j.neubiorev.2007.03.002] [Citation(s) in RCA: 117] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2006] [Revised: 03/01/2007] [Accepted: 03/06/2007] [Indexed: 11/18/2022]
Abstract
Bipolar disorder is a serious psychiatric condition that has been treated for over 50 years with lithium. Lithium is a well established glycogen synthase kinase-3 (GSK-3) inhibitor, suggesting that manipulating GSK-3 may have therapeutic value in treating bipolar disorder. GSK-3 is regulated by a wide variety of mechanisms including phosphorylation, binding with protein complexes, phosphorylation state of its substrates, cellular localization and autoregulation, thus providing a wide number of potential therapeutic mechanisms. Mounting evidence suggests that GSK-3 regulation can be used to manage bipolar disorder symptoms. Although GSK-3 mutations have not been detected amongst the general bipolar population, they have been correlated with females with bipolar II and most of the drugs used for successful bipolar disorder treatment regulate GSK-3. These drugs produce a weak anti-depressant-like and a strong anti-mania-like effect in a wide range of animal models tested, mirroring their utility in treating bipolar disorder symptoms. Taken together, the evidence suggests that targeting GSK-3 may be a means to control the symptoms of bipolar disorder.
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Affiliation(s)
| | | | - De-Maw Chuang
- Address Correspondence to De-Maw Chuang, Molecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, Building 10, Room 4C206, 10 Center Drive, MSC 1363, Bethesda, MD 20892-1363, USA; Phone: (301) 496-4915; FAX: (301) 480-9290; E-mail:
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Bourin M, Prica C. The role of mood stabilisers in the treatment of the depressive facet of bipolar disorders. Neurosci Biobehav Rev 2007; 31:963-75. [PMID: 17462734 DOI: 10.1016/j.neubiorev.2007.03.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2006] [Revised: 03/02/2007] [Accepted: 03/06/2007] [Indexed: 11/17/2022]
Abstract
It was previously shown that available mood stabilisers are used to treat bipolar depression. As part of the natural course of illness, patients with bipolar disorder often suffer from episodes of depression more frequently and for longer durations than mania. A major challenge in the treatment of bipolar depression is the tendency for antidepressant medications, particularly tricyclic antidepressants, to precipitate episodes of mania, or to increase cycle frequency or symptom intensity. Thus, exploring the utility of mood stabilisers as monotherapy for bipolar depression is important. The aim of this review it to collate data involving the effects of some mood stabilisers like lithium, carbamazepine, valproate and lamotrigine in depressive aspects of bipolar disorder, but as well using an animal model of depression, to understand their mechanism of action.
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Affiliation(s)
- Michel Bourin
- EA 3256 Neurobiologie de l'anxiété et de la dépression, Faculté de Médecine 1, rue Gaston Veil BP 53508, 44035 Nantes cedex 01, France.
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Tomasiewicz HC, Mague SD, Cohen BM, Carlezon WA. Behavioral effects of short-term administration of lithium and valproic acid in rats. Brain Res 2006; 1093:83-94. [PMID: 16687130 DOI: 10.1016/j.brainres.2006.03.102] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2006] [Revised: 03/13/2006] [Accepted: 03/14/2006] [Indexed: 11/18/2022]
Abstract
Lithium and valproic acid are mood-stabilizing agents that are often used to manage the episodes of mania and depression that characterize bipolar disorder. These agents develop clinical efficacy with chronic treatment, but the neurobiological actions that contribute to their therapeutic effects remain unclear. The present work was designed to study and compare various behavioral effects of short-term administration of lithium chloride (LiCl) and valproic acid (VPA) in rats. Specifically, we examined the effects of acute and sub-acute injections of these agents on locomotor activity, behavior in the forced swim test (FST), and intracranial self-stimulation (ICSS) thresholds. Locomotor activity studies were used to identify the range of doses with gross behavioral effects in rats. At doses below those that suppressed activity (total distance traveled, in cm) in 1-h test sessions, LiCl had prodepressant-like effects: it increased immobility in the FST, an effect opposite to that typically seen with standard antidepressants, and it increased ICSS thresholds, an effect similar to that typically seen during withdrawal from drugs of abuse. In contrast, VPA had no effects in the FST or on ICSS thresholds. This work identifies potentially important characteristics that distinguish the drugs at doses below those that produce non-specific behavioral effects, and thus serves as a basis for designing and interpreting studies of long-term treatment.
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Affiliation(s)
- Hilarie C Tomasiewicz
- Behavioral Genetics Laboratory, Department of Psychiatry, Harvard Medical School, McLean Hospital, MRC 217 115 Mill St., Belmont, MA 02478, USA
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Kenunen OG, Prakh'e IV, Kozlovskii VL. Changes in anxiety levels are followed by changes in behavioral strategy in mice subjected to stress and in the extent of stress-induced analgesia. ACTA ACUST UNITED AC 2006; 36:151-6. [PMID: 16380828 DOI: 10.1007/s11055-005-0173-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2004] [Revised: 07/26/2004] [Indexed: 10/25/2022]
Abstract
The experiments reported here demonstrated that corasol increased the extent of analgesia induced by stress and decreased the duration of immobility in mice in a forced swimming test in cold water. Administration of diazepam led to the opposite changes and counteracted the actions of the anxiogen. The effects of the anxiolytic were more apparent in NMRI than mongrel mice, while in mongrel mice the effects of the anxiogen were more marked. Changes in measures following administration of agents were reciprocal in nature. These results lead to the conclusion that that these changes are determined by the level of anxiety, and that the strain differences between mongrel and NMRI mice are also linked with this factor.
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Affiliation(s)
- O G Kenunen
- V. M. Bekhterev Science Research Institute of Psychoneurology, 3 Bekhterev Street, 193019 St. Petersburg, Russia
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Dalla C, Antoniou K, Papadopoulou-Daifoti Z, Balthazart J, Bakker J. Male aromatase-knockout mice exhibit normal levels of activity, anxiety and “depressive-like” symptomatology. Behav Brain Res 2005; 163:186-93. [PMID: 16029903 DOI: 10.1016/j.bbr.2005.04.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2005] [Revised: 04/28/2005] [Accepted: 04/29/2005] [Indexed: 11/17/2022]
Abstract
It is well known that estradiol derived from neural aromatization of testosterone plays a crucial role in the development of the male brain and the display of sexual behaviors in adulthood. It was recently found that male aromatase knockout mice (ArKO) deficient in estradiol due to a mutation in the aromatase gene have general deficits in coital behavior and are sexually less motivated. We wondered whether these behavioral deficits of ArKO males could be related to changes in activity, exploration, anxiety and "depressive-like" symptomatology. ArKO and wild type (WT) males were subjected to open field (OF), elevated plus maze (EPM), and forced swim tests (FST), after being exposed or not to chronic mild stress (CMS). CMS was used to evaluate the impact of chronic stressful procedures and to unveil possible differences between genotypes. There was no effect of genotype on OF, EPM and FST behavioral parameters. WT and ArKO mice exposed to CMS or not exhibited the same behavioral profile during these three types of tests. However, all CMS-exposed mice (ArKO and WT) spent less time in the center of the EPM. Additionally, floating duration measured in the FST increased between two tests in both WT and ArKO mice, though that increase was less prominent in mice previously subjected to CMS than in controls. Therefore, both ArKO and WT males displayed the same behavior and had the same response to CMS however CMS exposure slightly modified the behavior displayed by mice of both genotypes in the FST and EPM paradigms. These results show that ArKO males display normal levels of activity, exploration, anxiety and "depressive-like" symptomatology and thus their deficits in sexual behavior are specific in nature and do not result indirectly from other behavioral changes.
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Affiliation(s)
- C Dalla
- Center for Cellular and Molecular Neurobiology, University of Liège, Belgium
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20
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O'Brien WT, Harper AD, Jové F, Woodgett JR, Maretto S, Piccolo S, Klein PS. Glycogen synthase kinase-3beta haploinsufficiency mimics the behavioral and molecular effects of lithium. J Neurosci 2005; 24:6791-8. [PMID: 15282284 PMCID: PMC5328671 DOI: 10.1523/jneurosci.4753-03.2004] [Citation(s) in RCA: 348] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Lithium is widely used to treat bipolar disorder, but its mechanism of action in this disorder is unknown. Several molecular targets of lithium have been identified, but these putative targets have not been shown to be responsible for the behavioral effects of lithium in vivo. A robust model for the effects of chronic lithium on behavior in mice would greatly facilitate the characterization of lithium action. We describe behaviors in mice that are robustly affected by chronic lithium. Remarkably, these lithium-sensitive behaviors are also observed in mice lacking one copy of the gene encoding glycogen synthase kinase-3beta (Gsk-3beta), a well established direct target of lithium. In addition, chronic lithium induces molecular changes consistent with inhibition of GSK-3 within regions of the brain that are paralleled in Gsk-3beta+/- heterozygous mice. We also show that lithium therapy activates Wnt signaling in vivo, as measured by increased Wnt-dependent gene expression in the amygdala, hippocampus, and hypothalamus. These observations support a central role for GSK-3beta in mediating behavioral responses to lithium.
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Affiliation(s)
- W Timothy O'Brien
- Division of Hematology-Oncology, Department of Medicine, and Howard Hughes Medical Institute, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-6148, USA
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21
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Nishikawa H, Hata T, Itoh E, Funakami Y. A role for corticotropin-releasing factor in repeated cold stress-induced anxiety-like behavior during forced swimming and elevated plus-maze tests in mice. Biol Pharm Bull 2005; 27:352-6. [PMID: 14993801 DOI: 10.1248/bpb.27.352] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
SART (specific alternation of rhythm in temperature) stress is known to cause anxiety-like behavior in mice/rats in several anxiety-related behavioral tests. In the present study, we investigated possible roles for corticotropin-releasing factor (CRF) and glucocorticoids in SART stress-induced anxiety-like behavior in two different anxiety-related behavioral tests. In the forced swimming test, CRF, administered intracerebroventricular (i.c.v.) at 0.5-2 pmol/mouse, dose-dependently reduced immobility time in unstressed and SART-stressed mice. alpha-Helical CRF, a specific CRF receptor antagonist, administered i.c.v. at 0.1-1 nmol/mouse, dose-dependently increased immobility time in SART-stressed mice, but not in unstressed mice. In the elevated plus-maze test, CRF at 10-20 pmol/mouse significantly decreased the time spent in open arms in unstressed mice. CRF at a high dose tended to decrease this time in SART-stressed mice, but this decrease was not statistically significant. alpha-Helical CRF failed to modify the time in unstressed mice. In contrast, alpha-helical CRF at 0.38 and 0.75 nmol/mouse increased the time in SART-stressed mice. Both immobility time in the forced swimming test and time spent in open arms in the elevated plus-maze test in unstressed and SART-stressed mice were unaffected by adrenalectomy. These results suggest that CRF plays an important role in anxiety-like behavior caused by SART stress.
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Affiliation(s)
- Hiroyuki Nishikawa
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Kinki University, Kowakae, Higashi-Osaka, Japan
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22
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Abstract
In order to develop a model for a depression-like syndrome in mice, we subjected male C57BL/6 mice to a 4-week-long chronic stress procedure, consisting of rat exposure, restraint stress, and tail suspension. This protocol resulted in a strong decrease in sucrose preference, a putative indicator of anhedonia in rodents. Interestingly, predisposition for stress-induced anhedonia was indicated by submissive behavior in a resident-intruder test. In contrast, most mice with nonsubmissive behavior did not develop a decrease in sucrose preference and were regarded as nonanhedonic. These animals were used as an internal control for stress-induced behavioral features not associated with the anhedonic state, since they were exposed to the same stressors as the anhedonic mice. Using a battery of behavioral tests after termination of the stress procedure, we found that anhedonia, but not chronic stress per se, is associated with key analogues of depressive symptoms, such as increased floating during forced swimming and decreased exploration of novelty. On the other hand, increased anxiety, altered locomotor activity, and loss of body weight were consequences of chronic stress, which occurred independently from anhedonia. Thus, behavioral correlates of stress-induced anhedonia and of chronic stress alone can be separated in the present model.
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Affiliation(s)
- Tatyana Strekalova
- Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
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Hayase T, Yamamoto Y, Yamamoto K, Muso E, Shiota K, Hayashi T. Similar effects of cocaine and immobilization stress on the levels of heat-shock proteins and stress-activated protein kinases in the rat hippocampus, and on swimming behaviors: the contribution of dopamine and benzodiazepine receptors. Behav Pharmacol 2004; 14:551-62. [PMID: 14557723 DOI: 10.1097/00008877-200311000-00008] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Cocaine (COC) has been reported to cause effects similar to physiological stressors in the brain neuroendocrinal system, including heat-shock protein (HSP) expression, although these effects have not been elucidated in detail. In the present study, we examined the effects of repeated (4 days) treatments with cocaine hydrochloride (35 mg/kg, i.p.) and 10 min immobilization stress (IM) on the distribution of HSP (HSP27, HSP60, HSP70, HSC70) and stress-activated protein kinase (SAPK) (SAPKalpha, SAPKbeta, SAPKgamma) immunoreactive nerve cells (positive cells) in the rat hippocampus. The swimming behaviors of the rats in the forced swimming test were also examined. In both COC and IM groups, an early enhancement (5 h time point) of hippocampal HSP (HSP27, HSP60, HSP70, HSC70) and SAPK (SAPKbeta, SAPKgamma) positive cells was observed, whereas a recovery (SAPKs) or attenuation (HSP60 and HSC70) was observed at the 24 h time point. In both groups, a depression of the swimming behaviors (attenuation in the activity counts and time until immobility) below the control level was observed at the 5 h point, but a recovery was observed at the 24 h time point. At the 48 h time point, all parameters returned to the control level. These alterations in the levels of HSPs and SAPKs, and the swimming behaviors were similar to those observed in the stress (IM) group, and were characteristic in that all of these alterations were attenuated by the benzodiazepine inverse agonist, Ro 15-4513 (5 mg/kg, i.p.), and the dopamine D1 receptor antagonist, SCH23390 (0.5 mg/kg, i.p.), which was not observed in the groups treated with another stressor-like drug (bicuculline).
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Affiliation(s)
- T Hayase
- Department of Legal Medicine, Kyoto University Graduate School of Medicine, Faculty of Medicine, Yoshidakanoe-cho, Sakyo-ku, Kyoto 606-8501, Japan.
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24
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Abstract
The effects of chronically administered corticosterone on forced swim test and open field test behaviours were explored in aged male and female rats. Though corticosterone has typically been associated with depressive behaviours, recent data have suggested a putative antidepressive effect of corticosterone. The current study used the forced swim test as a model of antidepressant efficacy in order to explore this. Aged male and female rats received either corticosterone (20 mg/kg) or the vehicle for 10 days before testing in the forced swim test, then for an additional 3 days before testing in the open field test. On day 11, each animal was individually tested on the duration of swimming, immobile, and struggling behaviours, and on day 14, for the display of rearing and line crossing behaviours. Results revealed that corticosterone significantly increased swimming and decreased immobility behaviour in females, but failed to do so in males. Additionally, there was a main effect of corticosterone on struggling behaviour such that it decreased it in males. There were no effects of corticosterone or sex on open field test behaviours, suggesting that the present findings are not accounted for by a general effect of corticosterone on motor behaviour. Overall, the data suggest that chronically administered corticosterone possesses effects that are sex-specific, and that it may exert mildly antidepressive effects in females, but the opposite effects in males. These data are consistent with emerging evidence that corticosterone may play a paradoxical antidepressive effect.
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Affiliation(s)
- L A Brotto
- Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC, Canada V6T 1Z4
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Hata T, Nishikawa H, Itoh E, Funakami Y. Anxiety-like behavior in elevated plus-maze tests in repeatedly cold-stressed mice. Jpn J Pharmacol 2001; 85:189-96. [PMID: 11286402 DOI: 10.1254/jjp.85.189] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
To clarify the relationship between SART (specific alternation of rhythm in temperature) stress (repeated cold stress) and anxiety, the effects of various types of stress on the behavior of mice were studied in elevated plus-maze tests and then the effects of anxiolytics were evaluated. The percentage of time spent in the open arms of the plus-maze apparatus decreased in mice subjected to SART stress without change in the total number of arm entries. No change was noted in mice subjected to other stresses, such as 1-h, 2-day and 5-day cold stress and 1-h, 15-h and 5 x 15-h restraint stress. The reduction in the percentage of time spent in the open arms caused by SART stress was inhibited by single and repeated administrations of diazepam and alprazolam and by a single administration of buspirone, which have no influence on the percentage of time spent in the open arms in nonstressed mice, but not by flumazenil, WAY-100635 and chronic treatment with buspirone. The effects of diazepam and buspirone were antagonized by flumazenil and WAY-100635, respectively. The behavior of SART-stressed mice in the plus-maze would thus appear to arise from anxiety, to which benzodiazepine and serotonin receptors are related, but the diazepam binding inhibitor, an endogenous anxiogenic protein, is not. Thus SART-stressed animals may be useful for investigating the psychopharmacological and neuropharmacological basis of anxiety.
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Affiliation(s)
- T Hata
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Kinki University, Higashi-Osaka, Japan.
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26
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Abstract
Functional changes in opioid receptors involved in analgesia of repeated cold stress (RCS)-loaded mice were investigated. The antinociceptive potency of morphine (4 mg/kg, PO) was not affected in normal mice by norbinaltorphimine (10 mg/kg, SC), but treatment with this agent resulted in a lower level of morphine-induced antinociception in RCS-loaded animals. The antinociceptive activity of U-50488H (3 mg/kg, SC) was increased in RCS-loaded mice. In contrast to hypersensitivity to U-50488H (1 and 10 microg, IT) noted in RCS-loaded mice, the antinociception induced by DAMGO (0.1 and 1 microg, ICV) was reduced compared to that of normal animals. Diazepam (1 mg/kg/day SC) was given during RCS loading, and this agent prevented the development of hyperalgesia and the decrease in the antinociceptive activity of DAMGO (1 microg, ICV) in RCS-loaded mice, but there was no effect on the enhancement of the antinociceptive potency of U-50488H (10 microg, IT). These results indicate that the RCS-loaded mice were hyposensitive to supraspinal mu-opioid receptor-mediated antinociception, whereas their antinociceptive activities through kappa-opioid receptor in the spinal cord were increased. Hypofunction of the supraspinal mu-opioid receptor due to anxiety may explain the mechanism involved in the lowering of the nociceptive threshold in RCS-loaded animals.
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MESH Headings
- 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer/pharmacology
- Analgesics, Non-Narcotic/pharmacology
- Analgesics, Opioid/pharmacology
- Animals
- Anti-Anxiety Agents/pharmacology
- Anti-Anxiety Agents/therapeutic use
- Anxiety/drug therapy
- Anxiety/physiopathology
- Cold Temperature/adverse effects
- Diazepam/pharmacology
- Diazepam/therapeutic use
- Enkephalin, Ala(2)-MePhe(4)-Gly(5)-/pharmacology
- Male
- Mice
- Morphine/pharmacology
- Naltrexone/analogs & derivatives
- Naltrexone/pharmacology
- Narcotic Antagonists/pharmacology
- Pain Threshold/drug effects
- Receptors, Opioid, kappa/drug effects
- Receptors, Opioid, mu/drug effects
- Stress, Physiological/physiopathology
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Affiliation(s)
- Y Omiya
- Kampo and Pharmacognosy Laboratories, Tsumura & Co., Ibaraki, Japan
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27
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Hata T, Nishikawa H, Itoh E, Watanabe A. Depressive state with anxiety in repeated cold-stressed mice in forced swimming tests. Jpn J Pharmacol 1999; 79:243-9. [PMID: 10202861 DOI: 10.1254/jjp.79.243] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The effects of various types of stress and drugs were studied to assess mouse performance in forced swimming tests, following characterization of SART (specific alternation of rhythm in environmental temperature) stress. Immobility time in the test decreased in mice subjected to SART, acute cold and restraint stress. No change was noted due to chronic cold stress or repeated fasting. The shortened time did not recover even 24 hr after the end of SART and chronic restraint stress. The time in SART-stressed mice finally recovered at 5-7 days. Shortening of immobility time in SART-stressed mice was inhibited by diazepam and repeated imipramine but not by lithium carbonate. In chronic restraint-stressed mice, this time was inhibited by repeated lithium carbonate but not diazepam or imipramine. SART stress would thus appear related to anxiety and depression and may be useful for detecting new types of antidepressants.
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Affiliation(s)
- T Hata
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Kinki University, Higashi-Osaka, Japan
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