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A somatosensory cortex input to the caudal dorsolateral striatum controls comorbid anxiety in persistent pain. Pain 2021; 161:416-428. [PMID: 31651582 DOI: 10.1097/j.pain.0000000000001724] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Chronic pain and anxiety symptoms are frequently encountered clinically, but the neural circuit mechanisms underlying the comorbid anxiety symptoms in pain (CASP) in context of chronic pain remain unclear. Using viral neuronal tracing in mice, we identified a previously unknown pathway whereby glutamatergic neurons from layer 5 of the hindlimb primary somatosensory cortex (S1) (Glu), a well-known brain region involved in pain processing, project to GABAergic neurons in the caudal dorsolateral striatum (GABA). In a persistent inflammatory pain model induced by complete Freund's adjuvant injection, enhanced excitation of the Glu→GABA pathway was found in mice exhibiting CASP. Reversing this pathway using chemogenetic or optogenetic approaches alleviated CASP. In addition, the optical activation of Glu terminals in the cDLS produced anxiety-like behaviors in naive mice. Overall, the current study demonstrates the putative importance of a novel Glu→GABA pathway in controlling at least some aspects of CASP.
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102
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Lin LL, Li HP, Yang JW, Hao XW, Yan SY, Wang LQ, Yu FT, Shi GX, Liu CZ. Acupuncture for Psychological Disorders Caused by Chronic Pain: A Review and Future Directions. Front Neurosci 2021; 14:626497. [PMID: 33584181 PMCID: PMC7873369 DOI: 10.3389/fnins.2020.626497] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/21/2020] [Indexed: 12/11/2022] Open
Abstract
Accumulating evidence supports an association between chronic pain and psychological disorders, a connection that seems to be bidirectional. Treating both the pain and psychological conditions together is essential for effective treatment outcomes. Acupuncture is a somatosensory-guided mind-body therapy that can tackle the multidimensional nature of pain with fewer or no serious adverse effects. In this review, we discuss the use of acupuncture in some conditions with a high incidence of psychological disorders caused by chronic pain: headache, musculoskeletal pain, low back pain, and cancer pain, focusing on the effect and potential mechanisms of acupuncture. Overall clinical studies indicated that acupuncture might effectively contribute to management of psychological disorders caused by chronic pain. Mechanistic studies showed that acupuncture significantly alleviated such psychological disorders by regulating the activity of amygdala and insula, and regulating functional connectivity of insular and limbic regions/medial prefrontal cortex in humans and the corresponding animal models. In addition, 5-HT in the dorsal raphe nucleus, opioid receptors in the cingulate cortex, and plasma met-enkephalin are involved in acupuncture relief of pain and psychological symptoms. Substantial evidences from animal and human research support a beneficial effect of acupuncture in psychological disorders caused by chronic pain.
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Affiliation(s)
- Lu-Lu Lin
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Hong-Ping Li
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Jing-Wen Yang
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Xiao-Wan Hao
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Shi-Yan Yan
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Li-Qiong Wang
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Fang-Ting Yu
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Guang-Xia Shi
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Cun-Zhi Liu
- International Acupuncture and Moxibustion Innovation Institute, Beijing University of Chinese Medicine, Beijing, China
- School of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
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103
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Brenner L, Zerlin L, Tan LL. Functional disruption of cortical cingulate activity attenuates visceral hypersensitivity and anxiety induced by acute experimental colitis. Sci Rep 2021; 11:2103. [PMID: 33483524 PMCID: PMC7822936 DOI: 10.1038/s41598-021-81256-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/04/2021] [Indexed: 12/26/2022] Open
Abstract
Visceral pain is a highly complex experience and is the most common pathological feature in patients suffering from inflammatory gastrointestinal disorders. Whilst it is increasingly recognized that aberrant neural processing within the gut-brain axis plays a key role in development of neurological symptoms, the underlying mechanisms remain largely unknown. Here, we investigated the cortical activation patterns and effects of non-invasive chemogenetic suppression of cortical activity on visceral hypersensitivity and anxiety-related phenotypes in a well-characterized mouse model of acute colitis induced by dextran sulfate sodium (DSS). We found that within the widespread cortical network, the mid-cingulate cortex (MCC) was consistently highly activated in response to innocuous and noxious mechanical stimulation of the colon. Furthermore, during acute experimental colitis, impairing the activity of the MCC successfully alleviated visceral hypersensitivity, anxiety-like behaviors and visceromotor responses to colorectal distensions (CRDs) via downregulating the excitability of the posterior insula (PI), somatosensory and the rostral anterior cingulate cortices (rACC), but not the prefrontal or anterior insula cortices. These results provide a mechanistic insight into the central cortical circuits underlying painful visceral manifestations and implicate MCC plasticity as a putative target in cingulate-mediated therapies for bowel disorders.
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Affiliation(s)
- Lukas Brenner
- Institute of Pharmacology, Heidelberg University, Im Neuenheimer Feld 366, 69120, Heidelberg, Germany
| | - Leah Zerlin
- Institute of Pharmacology, Heidelberg University, Im Neuenheimer Feld 366, 69120, Heidelberg, Germany
| | - Linette Liqi Tan
- Institute of Pharmacology, Heidelberg University, Im Neuenheimer Feld 366, 69120, Heidelberg, Germany.
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104
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Chronic pain impact on rodents’ behavioral repertoire. Neurosci Biobehav Rev 2020; 119:101-127. [DOI: 10.1016/j.neubiorev.2020.09.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 07/14/2020] [Accepted: 09/21/2020] [Indexed: 12/20/2022]
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105
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Crisanti C, Enrico P, Fiorentini A, Delvecchio G, Brambilla P. Neurocognitive impact of ketamine treatment in major depressive disorder: A review on human and animal studies. J Affect Disord 2020; 276:1109-1118. [PMID: 32777649 DOI: 10.1016/j.jad.2020.07.119] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/29/2020] [Accepted: 07/22/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Most recent evidence support a rapid and sustained antidepressant effect of subanesthetic dose of intravenous ketamine in patients with major depressive disorder (MDD). However, clinical and animal studies investigating the effects of intravenous ketamine on specific functional domains disrupted by depression reported conflicting results. Therefore, the aim of this review is to provide an overview of the recent findings exploring the cognitive effects of ketamine in depression. METHODS After a bibliographic search on PubMed, Medline and PsycInfo, we retrieved 11 original studies meeting our research criteria, 7 in humans with MDD or Treatment Resistant Disorder and 4 using rats models for depression. RESULTS Overall the results showed that a) ketamine reduced activation and normalized connectivity measures of several brain regions related to depressive behaviors and reversed deficits in cognitive flexibility and coping response strategy in rats with depressive features, and b) ketamine leads to a no significant impairment on neurocognitive functions in most of the studies, with only three studies observing improvements in speed of processing, verbal learning, sustained attention and response control, verbal and working memory. LIMITATIONS The methodological heterogeneity, in terms of neuropsychological tests used and cognitive domain explored, of the studies included. CONCLUSIONS Most of the studies included showed no significant cognitive impairments in MDD patients after ketamine treatment. Furthermore, the results of the fMRI studies considered suggest that ketamine may have a normalizing effect on brain functions during attentional and emotional processing in MDD patients. However, further studies are needed to confirm these preliminary evidences.
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Affiliation(s)
- Camilla Crisanti
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Paolo Enrico
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Alessio Fiorentini
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Giuseppe Delvecchio
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
| | - Paolo Brambilla
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; Department of Neurosciences and Mental Health, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
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106
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Hare BD, Duman RS. Prefrontal cortex circuits in depression and anxiety: contribution of discrete neuronal populations and target regions. Mol Psychiatry 2020; 25:2742-2758. [PMID: 32086434 PMCID: PMC7442605 DOI: 10.1038/s41380-020-0685-9] [Citation(s) in RCA: 177] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 01/03/2020] [Accepted: 02/10/2020] [Indexed: 12/12/2022]
Abstract
Our understanding of depression and its treatment has advanced with the advent of ketamine as a rapid-acting antidepressant and the development and refinement of tools capable of selectively altering the activity of populations of neuronal subtypes. This work has resulted in a paradigm shift away from dysregulation of single neurotransmitter systems in depression towards circuit level abnormalities impacting function across multiple brain regions and neurotransmitter systems. Studies on the features of circuit level abnormalities demonstrate structural changes within the prefrontal cortex (PFC) and functional changes in its communication with distal brain structures. Treatments that impact the activity of brain regions, such as transcranial magnetic stimulation or rapid-acting antidepressants like ketamine, appear to reverse depression associated circuit abnormalities though the mechanisms underlying the reversal, as well as development of these abnormalities remains unclear. Recently developed optogenetic and chemogenetic tools that allow high-fidelity control of neuronal activity in preclinical models have begun to elucidate the contributions of the PFC and its circuitry to depression- and anxiety-like behavior. These tools offer unprecedented access to specific circuits and neuronal subpopulations that promise to offer a refined view of the circuit mechanisms surrounding depression and potential mechanistic targets for development and reversal of depression associated circuit abnormalities.
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Affiliation(s)
- Brendan D. Hare
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut,Corresponding author and lead contact:
| | - Ronald S. Duman
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
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107
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Feng S, Li B, Li G, Hua X, Zhu B, Li X, Lu W, Xu J. Abnormal Spatial Patterns of Intrinsic Brain Activity in Osteonecrosis of the Femoral Head: A Resting-State Functional Magnetic Resonance Imaging Study. Front Hum Neurosci 2020; 14:551470. [PMID: 33093828 PMCID: PMC7527596 DOI: 10.3389/fnhum.2020.551470] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 08/27/2020] [Indexed: 01/01/2023] Open
Abstract
Objective: Osteonecrosis of the femoral head (ONFH) is a common condition that is encountered in clinical practice, and yet, little is known about its characteristics and manifestations in the brain. Therefore, in this study, we aimed to use resting-state functional magnetic resonance imaging (rs-fMRI) to investigate the spatial patterns of spontaneous brain activity in the brain of ONFH patients. Methods: The study included ONFH patients and healthy controls. The pattern of intrinsic brain activity was measured by examining the amplitude of low-frequency fluctuations (ALFF) of blood oxygen level-dependent signals using rs-fMRI. Meanwhile, we also used Harris hip scores to evaluate the functional performance of ONFH patients and healthy controls. Result: Ten ONFH patients and 10 health controls were investigated. We found global ALFF differences between the two groups throughout the occipital, parietal, frontal, prefrontal, and temporal cortices. In the ONFH patients, altered brain activity was found in the brain regions in the sensorimotor network, pain-related network, and emotion and cognition network. The results of the correlation investigations also demonstrated that the regions with ALFF changes had significant correlations with the functional performance of the patients evaluated by Harris hip scores. Conclusions: Our study has revealed the abnormal pattern of brain activity in ONFH patients, and our findings could be used to aid in understanding the mechanisms behind the gait abnormality and intractable pain associated with ONFH at the central level.
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Affiliation(s)
- Shengyi Feng
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Bo Li
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Gang Li
- Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Shanghai, China
| | - Xuyun Hua
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Bo Zhu
- Center of Traumatology and Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xuejia Li
- Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Shanghai, China
| | - Wenting Lu
- Quyang Community Health Service Center of Hongkou District, Shanghai, China
| | - Jianguang Xu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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108
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Yang S, Boudier-Revéret M, Choo YJ, Chang MC. Association between Chronic Pain and Alterations in the Mesolimbic Dopaminergic System. Brain Sci 2020; 10:brainsci10100701. [PMID: 33023226 PMCID: PMC7600461 DOI: 10.3390/brainsci10100701] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/23/2020] [Accepted: 09/28/2020] [Indexed: 12/15/2022] Open
Abstract
Chronic pain (pain lasting for >3 months) decreases patient quality of life and even occupational abilities. It can be controlled by treatment, but often persists even after management. To properly control pain, its underlying mechanisms must be determined. This review outlines the role of the mesolimbic dopaminergic system in chronic pain. The mesolimbic system, a neural circuit, delivers dopamine from the ventral tegmental area to neural structures such as the nucleus accumbens, prefrontal cortex, anterior cingulate cortex, and amygdala. It controls executive, affective, and motivational functions. Chronic pain patients suffer from low dopamine production and delivery in this system. The volumes of structures constituting the mesolimbic system are known to be decreased in such patients. Studies on administration of dopaminergic drugs to control chronic pain, with a focus on increasing low dopamine levels in the mesolimbic system, show that it is effective in patients with Parkinson’s disease, restless legs syndrome, fibromyalgia, dry mouth syndrome, lumbar radicular pain, and chronic back pain. However, very few studies have confirmed these effects, and dopaminergic drugs are not commonly used to treat the various diseases causing chronic pain. Thus, further studies are required to determine the effectiveness of such treatment for chronic pain.
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Affiliation(s)
- Seoyon Yang
- Department of Rehabilitation Medicine, Ewha Woman’s University Seoul Hospital, Ewha Woman’s University School of Medicine, Seoul 07804, Korea;
| | - Mathieu Boudier-Revéret
- Department of Physical Medicine and Rehabilitation, Centre Hospitalier de l’Université de Montréal, Montreal, QC H2W 1T8, Canada;
| | - Yoo Jin Choo
- Production R&D Division Advanced Interdisciplinary Team, Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Deagu 41061, Korea;
| | - Min Cheol Chang
- Department of Rehabilitation Medicine, College of Medicine, Yeungnam University, Daegu 42415, Korea
- Correspondence:
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109
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Lin YW, Chou AIW, Su H, Su KP. Transient receptor potential V1 (TRPV1) modulates the therapeutic effects for comorbidity of pain and depression: The common molecular implication for electroacupuncture and omega-3 polyunsaturated fatty acids. Brain Behav Immun 2020; 89:604-614. [PMID: 32640285 DOI: 10.1016/j.bbi.2020.06.033] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/22/2020] [Accepted: 06/30/2020] [Indexed: 01/02/2023] Open
Abstract
Chronic pain and depression are conditions that are highly comorbid and present with overlapping clinical presentations and common pathological biological pathways in neuroinflammation, both of which can be reversed by the use of electroacupuncture (EA) and omega-3 polyunsaturated fatty acids (PUFAs). Transient receptor potential V1 (TRPV1), a Ca2+ permeable ion channel that can be activated by inflammation, is reported to be involved in the development of chronic pain and depression. Here, we investigated the role of TRPV1 and its related pathways in the murine models of cold stress-induced nociception and depression. Female C57BL/6 wild type and TRPV1 knockout mice were subjected to intermittent cold-stress (ICS) to initiate depressive-like and chronic pain behaviors, respectively. The Bio-Plex ELISA technique was utilized to analyze inflammatory mediators in mice plasma. The western blot and immunostaining techniques were used to analyze the presence of TRPV1 and related molecules in the medial prefrontal cortex (mPFC), hippocampus, periaqueductal gray (PAG), and amygdala. The ICS model significantly induced chronic pain (mechanical: 2.55 ± 0.31 g; thermal: 8.12 ± 0.87 s) and depressive-like behaviors (10.95 ± 0.95% in the center zone; 53.14 ± 4.01% in immobility). The treatment efficacy of EA, docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA) were observed in both nociceptive and depression test results. Inflammatory mediators were increased after ICS induction and further reversed by the use of EA, EPA and DHA. A majority of TRPV1 proteins and related molecules were significantly decreased in the mPFC, hippocampus and PAG of mice. This decrease can be reversed by the use of EA, EPA and DHA. In contrast, these molecules were increased in the mice's amygdala, and were attenuated by the use of EA, EPA and DHA. Our findings indicate that these inflammatory mediators can regulate the TRPV1 signaling pathway and initiate new potential therapeutic targets for chronic pain and depression treatment.
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Affiliation(s)
- Yi-Wen Lin
- College of Chinese Medicine, Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan; Chinese Medicine Research Center, China Medical University, Taichung 40402, Taiwan
| | - Ana Isabel Wu Chou
- Department of Psychiatry, Taipei Medical University-Wan Fang Medical Center, Taipei, Taiwan
| | - Huanxing Su
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Kuan-Pin Su
- College of Medicine, China Medical University, Taichung, Taiwan; Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan; An-Nan Hospital, China Medical University, Tainan, Taiwan.
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110
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Liu P, Chen J, Ma S, Zhang J, Zhou J. Albiflorin Attenuates Mood Disorders Under Neuropathic Pain State by Suppressing the Hippocampal NLRP3 Inflammasome Activation During Chronic Constriction Injury. Int J Neuropsychopharmacol 2020; 24:64-76. [PMID: 33000169 PMCID: PMC7816674 DOI: 10.1093/ijnp/pyaa076] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/18/2020] [Accepted: 09/26/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Neuropathic pain is a multifaceted and ubiquitous disease across the globe. Mood disorders, such as anxiety and depression, are frequently observed in patients suffering from neuropathic pain. Both neuropathic pain and comorbid mood disorders seriously impact quality of life. Accumulated evidence shows that activation of the NOD-like receptor protein 3 (NLRP3) inflammasome is involved in the neuroinflammatory pathogenesis of neuropathic pain, anxiety, and depression. However, the role of the NLRP3 inflammasome in the pathological process of anxiety and depression under the neuropathic pain state has not been fully described. Albiflorin, a monoterpene glycoside, may be a potential regulator of the NLRP3 inflammasome, but it is not clear whether albiflorin relates to NLRP3 inflammasome activation. METHODS We used a systematic pharmacological method to confirm whether the activation of the NLRP3 inflammasome in the hippocampus was involved in the development of neuropathic pain associated with mood disorders and whether albiflorin could be an effective treatment for these symptoms. RESULTS The NLRP3 inflammasome contributed to the neuropathic pain and comorbid anxiety and depression-like behaviors induced by chronic constriction injury of the sciatic nerve, and albiflorin may relieve these symptoms via inhibition of the NLRP3 inflammasome activity. Moreover, albiflorin enhanced the translocation of the nuclear factor erythroid 2-related factor 2 into the nucleus and suppressed nuclear factor-kappa B activity in the hippocampus. CONCLUSIONS Albiflorin, as a potential therapeutic agent, might greatly improve the overall symptoms of neuropathic pain.
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Affiliation(s)
- Pei Liu
- Hebei Key Laboratory of Research and Development for Chinese Medicine, Chengde Medical University, Hebei, Chengde, China
| | - Jianjun Chen
- Hebei Key Laboratory of Research and Development for Chinese Medicine, Chengde Medical University, Hebei, Chengde, China
| | - Shuai Ma
- Hebei Key Laboratory of Research and Development for Chinese Medicine, Chengde Medical University, Hebei, Chengde, China
| | - Jianjun Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jianyu Zhou
- Hebei Key Laboratory of Research and Development for Chinese Medicine, Chengde Medical University, Hebei, Chengde, China,Correspondence: Jianyu Zhou, PhD, Hebei Key Laboratory of Research and Development for Chinese Medicine, Chengde Medical University, Anyuan Road, Shuangqiao District, Chengde 067000, Hebei, China ()
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111
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Antioch I, Ilie OD, Ciobica A, Doroftei B, Fornaro M. Preclinical Considerations about Affective Disorders and Pain: A Broadly Intertwined, yet Often Under-Explored, Relationship Having Major Clinical Implications. MEDICINA (KAUNAS, LITHUANIA) 2020; 56:E504. [PMID: 32992963 PMCID: PMC7600172 DOI: 10.3390/medicina56100504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/16/2020] [Accepted: 09/23/2020] [Indexed: 12/11/2022]
Abstract
Background: Pain, a distinctive undesirable experience, encompasses several different and fluctuating presentations across varying mood disorders. Therefore, the present narrative review aimed to shed further light on the matter, accounting for both experimental animal models and clinical observations about major depressive disorder (MDD) pathology. Method: Major databases were inquired from inception until April 2016 for records about MDD and pain. Results: Pain and MDD are tightly associated with each other in a bi-directional fashion. Several cross-sectional and retrospective studies indicated a high presence of pain in the context of mood disorders, including MDD (up to 65%), but also increased prevalence rates in the case of mood disorders documented among people with a primary diagnosis of either psychological or somatic pain (prevalence rates exceeding 45%). The clinical implications of these observations suggest the need to account for mood and pain manifestations as a whole rather than distinct entities in order to deliver more effective interventions. Limitations: Narrative review, lack of systematic control groups (e.g., people with the primary diagnosis at review, but not the associated comorbidity as a study) to allow reliable comparisons. Prevalence rates and clinical features associated with pain varied across different studies as corresponding operational definitions did. Conclusions: Pain may have a detrimental effect on the course of mood disorders-the opposite holds. Promoting a timely recognition and management of such an often neglected comorbidity would therefore represent a primary goal toward the delivery of effective, multi-disciplinary care.
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Affiliation(s)
- Iulia Antioch
- Department of Research, Faculty of Biology, “Alexandru Ioan Cuza” University, Carol I Avenue, no 11, 700505 Iasi, Romania; (I.A.); (O.-D.I.)
| | - Ovidiu-Dumitru Ilie
- Department of Research, Faculty of Biology, “Alexandru Ioan Cuza” University, Carol I Avenue, no 11, 700505 Iasi, Romania; (I.A.); (O.-D.I.)
| | - Alin Ciobica
- Department of Research, Faculty of Biology, “Alexandru Ioan Cuza” University, Carol I Avenue, no 11, 700505 Iasi, Romania; (I.A.); (O.-D.I.)
| | - Bogdan Doroftei
- Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, University Street, no 16, 700115 Iasi, Romania
| | - Michele Fornaro
- Department of Psychiatry, New York State Psychiatric Institute, Columbia University, New York, NY 10027, USA;
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112
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Zhu X, Zhou W, Jin Y, Tang H, Cao P, Mao Y, Xie W, Zhang X, Zhao F, Luo MH, Wang H, Li J, Tao W, Farzinpour Z, Wang L, Li X, Li J, Tang ZQ, Zhou C, Pan ZZ, Zhang Z. A Central Amygdala Input to the Parafascicular Nucleus Controls Comorbid Pain in Depression. Cell Rep 2020; 29:3847-3858.e5. [PMID: 31851918 DOI: 10.1016/j.celrep.2019.11.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 07/22/2019] [Accepted: 10/31/2019] [Indexed: 12/20/2022] Open
Abstract
While comorbid pain in depression (CP) occurs at a high rate worldwide, the neural connections underlying the core symptoms of CP have yet to be elucidated. Here, we define a pathway whereby GABAergic neurons from the central nucleus of the amygdala (GABACeA) project to glutamatergic neurons in the parafascicular nucleus (GluPF). These GluPF neurons relay directly to neurons in the second somatosensory cortex (S2), a well-known area involved in pain signal processing. Enhanced inhibition of the GABACeA→GluPF→S2 pathway is found in mice exhibiting CP symptoms. Reversing this pathway using chemogenetic or optogenetic approaches alleviates CP symptoms. Together, the current study demonstrates the putative importance of the GABACeA→GluPF→S2 pathway in controlling at least some aspects of CP.
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Affiliation(s)
- Xia Zhu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Wenjie Zhou
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Yan Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Haodi Tang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Peng Cao
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Yu Mao
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China; Department of Anesthesiology and Department of Pain Management, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Wen Xie
- Department of Psychology, Anhui Mental Health Center, Hefei 230026, PR China
| | - Xulai Zhang
- Department of Psychology, Anhui Mental Health Center, Hefei 230026, PR China
| | - Fei Zhao
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology (CEBSIT), Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, PR China
| | - Min-Hua Luo
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology (CEBSIT), Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, PR China
| | - Haitao Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Jie Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Wenjuan Tao
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China; Department of Anesthesiology and Department of Pain Management, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Zahra Farzinpour
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Likui Wang
- Department of Anesthesiology and Department of Pain Management, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, PR China
| | - Xiangyao Li
- Key Laboratory of Medical Neurobiology of the Ministry of Health of China, Key Laboratory of Neurobiology of Zhejiang Province, Department of Neurobiology, Zhejiang University School of Medicine, Hangzhou 310058, PR China
| | - Juan Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China
| | - Zheng-Quan Tang
- Oregon Hearing Research Center and Vollum Institute, Oregon Health and Science University, Portland, OR 97239, USA
| | - Chenghua Zhou
- Department of Anesthesiology and Pain Medicine, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Zhizhong Z Pan
- Department of Anesthesiology and Pain Medicine, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Zhi Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei 230027, PR China.
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113
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Friesner ID, Martinez E, Zhou H, Gould JD, Li A, Chen ZS, Zhang Q, Wang J. Ketamine normalizes high-gamma power in the anterior cingulate cortex in a rat chronic pain model. Mol Brain 2020; 13:129. [PMID: 32967695 PMCID: PMC7513294 DOI: 10.1186/s13041-020-00670-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 09/14/2020] [Indexed: 11/18/2022] Open
Abstract
Chronic pain alters cortical and subcortical plasticity, causing enhanced sensory and affective responses to peripheral nociceptive inputs. Previous studies have shown that ketamine had the potential to inhibit abnormally amplified affective responses of single neurons by suppressing hyperactivity in the anterior cingulate cortex (ACC). However, the mechanism of this enduring effect has yet to be understood at the network level. In this study, we recorded local field potentials from the ACC of freely moving rats. Animals were injected with complete Freund’s adjuvant (CFA) to induce persistent inflammatory pain. Mechanical stimulations were administered to the hind paw before and after CFA administration. We found a significant increase in the high-gamma band (60–100 Hz) power in response to evoked pain after CFA treatment. Ketamine, however, reduced the high-gamma band power in response to evoked pain in CFA-treated rats. In addition, ketamine had a sustained effect on the high-gamma band power lasting up to five days after a single dose administration. These results demonstrate that ketamine has the potential to alter maladaptive neural responses in the ACC induced by chronic pain.
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Affiliation(s)
- Isabel D Friesner
- Department of Anesthesiology, Perioperative Care and Pain, New York University School of Medicine, New York, NY, 10016, USA
| | - Erik Martinez
- Department of Anesthesiology, Perioperative Care and Pain, New York University School of Medicine, New York, NY, 10016, USA
| | - Haocheng Zhou
- Department of Anesthesiology, Perioperative Care and Pain, New York University School of Medicine, New York, NY, 10016, USA
| | | | - Anna Li
- Department of Anesthesiology, Perioperative Care and Pain, New York University School of Medicine, New York, NY, 10016, USA
| | - Zhe Sage Chen
- Department of Psychiatry, New York University School of Medicine, New York, NY, 10016, USA.,Department of Neuroscience & Physiology, New York University School of Medicine, New York, NY, 10016, USA.,Neuroscience Institute, New York University School of Medicine, New York, NY, 10016, USA
| | - Qiaosheng Zhang
- Department of Anesthesiology, Perioperative Care and Pain, New York University School of Medicine, New York, NY, 10016, USA.
| | - Jing Wang
- Department of Anesthesiology, Perioperative Care and Pain, New York University School of Medicine, New York, NY, 10016, USA. .,Department of Neuroscience & Physiology, New York University School of Medicine, New York, NY, 10016, USA. .,Neuroscience Institute, New York University School of Medicine, New York, NY, 10016, USA.
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114
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Qin J, Li A, Huang Y, Teng RH, Yang Y, Yao YX. CXCR3 contributes to neuropathic pain via ERK activation in the anterior cingulate cortex. Biochem Biophys Res Commun 2020; 531:166-171. [PMID: 32782146 DOI: 10.1016/j.bbrc.2020.07.104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 07/22/2020] [Indexed: 11/26/2022]
Abstract
The anterior cingulate cortex (ACC) is activated by noxious stimuli and is involved in the affective component of pain processing; but its role in the sensory component of pain remains largely unknown. Studies have verified that Chemokine (C-X-C motif) receptor 3 (CXCR3) is involved in nociceptive sensitization in the spinal cord after peripheral nerve injury; however, the expression of CXCR3 in the ACC and its role in neuropathic pain has not been reported. Here, we showed that CXCR3 co-localized with neurons in the ACC and the upregulation of CXCR3 corresponded with hypersensitive behaviors after a chronic constriction injury of the sciatic nerve. Pharmacological blockade of CXCR3 using local injection of its inhibitor, AMG487, into the ACC significantly attenuated hyperalgesia induced by chronic constriction injury and suppressed the phosphorylation of extracellular signal-regulated kinase (ERK). Collectively, these results suggest that CXCR3 in the ACC is involved in hyperalgesia induced by peripheral nerve injury and ERK may be a downstream target.
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Affiliation(s)
- Jing Qin
- Department of Anesthesia, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China; Department of Anesthesia, Tinglin Hospital of Jinshan District, Shanghai, PR China.
| | - Ang Li
- Department of Anesthesia, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.
| | - Yan Huang
- Department of Anesthesia, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China; Department of Anesthesia, the Central Hospital of Lishui City, Lishui, PR China.
| | - Run-Hua Teng
- Zhejiang Chinese Medical University, Hangzhou, PR China.
| | - Yan Yang
- Centre for Neuroscience, Zhejiang University School of Medicine, Hangzhou, PR China.
| | - Yong-Xing Yao
- Department of Anesthesia, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.
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115
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Okine BN, Mc Laughlin G, Gaspar JC, Harhen B, Roche M, Finn DP. Antinociceptive Effects of the GPR55 Antagonist CID16020046 Injected into the Rat Anterior Cingulate Cortex. Neuroscience 2020; 443:19-29. [PMID: 32673629 DOI: 10.1016/j.neuroscience.2020.07.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 07/04/2020] [Accepted: 07/07/2020] [Indexed: 10/23/2022]
Abstract
The G-protein coupled receptor, GPR55, modulates nociceptive processing. Given the expression of GPR55 in the anterior cingulate cortex (ACC), a key brain region involved in the cognitive and affective dimensions of pain, the present study tested the hypothesis that GPR55 signalling in the ACC facilitates inflammatory pain behaviour in rats. The expression of GPR55 in the ACC was confirmed by both western blotting and immunostaining, with evidence for neuronal localisation. Microinjection of the selective GPR55 antagonist CID16020046 into the ACC of adult male Sprague-Dawley rats significantly reduced second phase formalin-evoked nociceptive behaviour compared with vehicle-treated controls. CID16020046 administration was associated with a reduction in phosphorylation of extracellular signal-regulated kinase (ERK), a downstream target of GPR55 activation, in the ACC. Intra-ACC administration of CID16020046 prevented the formalin-induced increases in expression of mRNA coding for the immediate early gene and marker of neuronal activity, c-Fos, in the ipsilateral dorsal horn of the spinal cord. Intra-plantar injection of formalin reduced tissue levels of the endogenous GPR55 ligand 2-arachidonoyl-sn-glycero-3-phosphoinositol (2-AGPI) in the ACC, likely reflecting its increased release/utilisation. These data suggest that endogenous activation of GPR55 signalling and increased ERK phosphorylation in the ACC facilitates inflammatory pain via top-down modulation of descending pain control.
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Affiliation(s)
- Bright N Okine
- Pharmacology and Therapeutics, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland; Galway Neuroscience Centre and Centre for Pain Research, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland
| | - Gemma Mc Laughlin
- Pharmacology and Therapeutics, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland
| | - Jessica C Gaspar
- Pharmacology and Therapeutics, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland; Galway Neuroscience Centre and Centre for Pain Research, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland
| | - Brendan Harhen
- Galway Neuroscience Centre and Centre for Pain Research, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland
| | - Michelle Roche
- Physiology, School of Medicine, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland; Galway Neuroscience Centre and Centre for Pain Research, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland
| | - David P Finn
- Pharmacology and Therapeutics, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland; Galway Neuroscience Centre and Centre for Pain Research, NCBES, National University of Ireland, Galway, University Road, Galway, Ireland.
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116
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Brain-behaviour correlates of habitual motivation in chronic back pain. Sci Rep 2020; 10:11090. [PMID: 32632166 PMCID: PMC7338353 DOI: 10.1038/s41598-020-67386-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 06/04/2020] [Indexed: 11/18/2022] Open
Abstract
Chronic pain may sap the motivation for positive events and stimuli. This may lead to a negative behavioural cycle reducing the establishment of appetitive habitual engagement. One potential mechanism for this might be biased learning. In our experiment, chronic back pain patients and healthy controls completed an appetitive Pavlovian-instrumental transfer procedure. We examined participants` behaviour and brain activity and reported pain, depression and anxiety. Patients showed reduced habitual behaviour and increased responses in the hippocampus than controls. This behavioural bias was related to motivational value and reflected in the updating of brain activity in prefrontal–striatal–limbic circuits. Moreover, this was influenced by pain symptom duration, depression and anxiety (explained variance: up to 50.7%). Together, findings identify brain-behaviour pathways for maladaptive habitual learning and motivation in chronic back pain, which helps explaining why chronic pain can be resistant to change, and where clinical characteristics are significant modulators.
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117
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Pilitsis JG, Fahey M, Custozzo A, Chakravarthy K, Capobianco R. Composite Score Is a Better Reflection of Patient Response to Chronic Pain Therapy Compared With Pain Intensity Alone. Neuromodulation 2020; 24:68-75. [PMID: 32592618 DOI: 10.1111/ner.13212] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/29/2020] [Accepted: 05/06/2020] [Indexed: 12/24/2022]
Abstract
OBJECTIVE The pain Numeric Rating Scale (NRS) score became standard when pain was introduced as the fifth vital sign in the 1990s. Although plagued with issues, it remains the basis for primary outcome measures in clinical trials for chronic pain therapies. Multidimensional composite scoring that considers all aspects of the chronic pain experience may provide a more meaningful response measure. Herein we propose a multidimensional responder index. MATERIALS AND METHODS Data were extracted from an ongoing prospective, multicenter study on DeRidder Burst spinal cord stimulation (B-SCS) for chronic back and/or leg pain (NCT03082261). The analysis cohort consisted of subjects who completed the NRS, Pain Catastrophizing Scale (PCS), EuroQol-5D (EQ-5D), and eight-item Patient-Reported Outcomes Measurement Information System Physical Function preoperatively and at 12 months after implant. RESULTS A principal component analysis showed that each of the four measures contributed equally to the variance in the data set, confirming that pain score should not be used alone. Subjects who failed to respond on NRS responded on both PCS and EQ-5D. Eighty-one percent of subjects responded on at least two measures. The responder algorithm yielded an 84% success rate at both 6- and 12-month time points. CONCLUSIONS Our study suggests that therapeutic response, similar to the chronic pain experience, is multidimensional. Careful consideration should be made to incorporate composite endpoints in future SCS clinical trials.
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Affiliation(s)
- Julie G Pilitsis
- Department of Neurosurgery, Albany Medical Center, Albany, NY, USA.,Department of Neuroscience and Experimental Therapeutics, Albany Medical College, Albany, NY, USA
| | - Marie Fahey
- Neuromodulation Division, Abbott, Austin, TX, USA
| | - Amanda Custozzo
- Department of Neurosurgery, Albany Medical Center, Albany, NY, USA
| | - Krishnan Chakravarthy
- Department of Anesthesiology and Pain Medicine, University of California San Diego Health Sciences, La Jolla, CA, USA.,Department of Anesthesiology and Pain Medicine, VA San Diego Healthcare System, San Diego, CA, USA
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118
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Humo M, Ayazgök B, Becker LJ, Waltisperger E, Rantamäki T, Yalcin I. Ketamine induces rapid and sustained antidepressant-like effects in chronic pain induced depression: Role of MAPK signaling pathway. Prog Neuropsychopharmacol Biol Psychiatry 2020; 100:109898. [PMID: 32109506 DOI: 10.1016/j.pnpbp.2020.109898] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 02/24/2020] [Indexed: 12/22/2022]
Abstract
Chronic pain produces psychologic distress, which often leads to mood disorders such as depression. Co-existing chronic pain and depression pose a serious socio-economic burden and result in disability affecting millions of individuals, which urges the development of treatment strategies targeting this comorbidity. Ketamine, a noncompetitive antagonist of the N-methyl-d-aspartate (NMDA) receptor, is shown to be efficient in treating both pain and depression-related symptoms. However, the molecular characteristics of its role in chronic pain-induced depression remain largely unexplored. Hence, we studied the behavioral and molecular effects of a single systemic administration of ketamine (15 mg/kg, i.p.) on mechanical hypersensitivity and depressive-like consequences of chronic neuropathic pain. We showed that ketamine transiently alleviated mechanical hypersensitivity (lasting <24 h), while its antidepressant effect was observed even 72 h after administration. In addition, ketamine normalized the upregulated expression of the mitogen activated protein kinase (MAPK) phosphatase 1 (MKP-1) and the downregulated phosphorylation of extracellular signal-regulated kinase (pERK) in the anterior cingulate cortex (ACC) of mice displaying neuropathic pain-induced depressive-like behaviors. This effect of ketamine on the MKP-1 was first detected 30 min after the ketamine administration and persisted until up to 72 h. Altogether, these findings provide insight into the behavioral and molecular changes associated with single ketamine administration in the comorbidity of chronic pain and depression.
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Affiliation(s)
- Muris Humo
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000 Strasbourg, France
| | - Beyza Ayazgök
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000 Strasbourg, France; Department of Biochemistry, Faculty of Pharmacy, University of Hacettepe, Ankara, Turkey
| | - Léa J Becker
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000 Strasbourg, France
| | - Elisabeth Waltisperger
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000 Strasbourg, France
| | - Tomi Rantamäki
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapeutics, Faculty of Pharmacy, University of Helsinki, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Finland
| | - Ipek Yalcin
- Institut des Neurosciences Cellulaires et Intégratives, Centre National de la Recherche Scientifique et Université de Strasbourg, 67000 Strasbourg, France.
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119
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Kummer KK, Mitrić M, Kalpachidou T, Kress M. The Medial Prefrontal Cortex as a Central Hub for Mental Comorbidities Associated with Chronic Pain. Int J Mol Sci 2020; 21:E3440. [PMID: 32414089 PMCID: PMC7279227 DOI: 10.3390/ijms21103440] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Chronic pain patients frequently develop and suffer from mental comorbidities such as depressive mood, impaired cognition, and other significant constraints of daily life, which can only insufficiently be overcome by medication. The emotional and cognitive components of pain are processed by the medial prefrontal cortex, which comprises the anterior cingulate cortex, the prelimbic, and the infralimbic cortex. All three subregions are significantly affected by chronic pain: magnetic resonance imaging has revealed gray matter loss in all these areas in chronic pain conditions. While the anterior cingulate cortex appears hyperactive, prelimbic, and infralimbic regions show reduced activity. The medial prefrontal cortex receives ascending, nociceptive input, but also exerts important top-down control of pain sensation: its projections are the main cortical input of the periaqueductal gray, which is part of the descending inhibitory pain control system at the spinal level. A multitude of neurotransmitter systems contributes to the fine-tuning of the local circuitry, of which cholinergic and GABAergic signaling are particularly emerging as relevant components of affective pain processing within the prefrontal cortex. Accordingly, factors such as distraction, positive mood, and anticipation of pain relief such as placebo can ameliorate pain by affecting mPFC function, making this cortical area a promising target region for medical as well as psychosocial interventions for pain therapy.
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Affiliation(s)
| | | | | | - Michaela Kress
- Institute of Physiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (K.K.K.); (M.M.); (T.K.)
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120
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Bravo L, Llorca-Torralba M, Suárez-Pereira I, Berrocoso E. Pain in neuropsychiatry: Insights from animal models. Neurosci Biobehav Rev 2020; 115:96-115. [PMID: 32437745 DOI: 10.1016/j.neubiorev.2020.04.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 04/11/2020] [Accepted: 04/23/2020] [Indexed: 02/08/2023]
Abstract
Pain is the most common symptom reported in clinical practice, meaning that it is associated with many pathologies as either the origin or a consequence of other illnesses. Furthermore, pain is a complex emotional and sensorial experience, as the correspondence between pain and body damage varies considerably. While these issues are widely acknowledged in clinical pain research, until recently they have not been extensively considered when exploring animal models, important tools for understanding pain pathophysiology. Interestingly, chronic pain is currently considered a risk factor to suffer psychiatric disorders, mainly stress-related disorders like anxiety and depression. Conversely, pain appears to be altered in many psychiatric disorders, such as depression, anxiety and schizophrenia. Thus, pain and psychiatric disorders have been linked in epidemiological and clinical terms, although the neurobiological mechanisms involved in this pathological bidirectional relationship remain unclear. Here we review the evidence obtained from animal models about the co-morbidity of pain and psychiatric disorders, placing special emphasis on the different dimensions of pain.
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Affiliation(s)
- Lidia Bravo
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, 11003 Cádiz, Spain; Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Meritxell Llorca-Torralba
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, 11003 Cádiz, Spain; Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Irene Suárez-Pereira
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, 11003 Cádiz, Spain; Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Esther Berrocoso
- Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, 11510 Puerto Real, Cádiz, Spain.
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121
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Pereira-Silva R, Costa-Pereira JT, Alonso R, Serrão P, Martins I, Neto FL. Attenuation of the Diffuse Noxious Inhibitory Controls in Chronic Joint Inflammatory Pain Is Accompanied by Anxiodepressive-Like Behaviors and Impairment of the Descending Noradrenergic Modulation. Int J Mol Sci 2020; 21:E2973. [PMID: 32340137 PMCID: PMC7215719 DOI: 10.3390/ijms21082973] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/15/2020] [Accepted: 04/21/2020] [Indexed: 12/17/2022] Open
Abstract
The noradrenergic system is paramount for controlling pain and emotions. We aimed at understanding the descending noradrenergic modulatory mechanisms in joint inflammatory pain and its correlation with the diffuse noxious inhibitory controls (DNICs) and with the onset of anxiodepressive behaviours. In the complete Freund's adjuvant rat model of Monoarthritis, nociceptive behaviors, DNICs, and anxiodepressive-like behaviors were evaluated. Spinal alpha2-adrenergic receptors (a2-AR), dopamine beta-hydroxylase (DBH), and noradrenaline were quantified concomitantly with a2-AR pharmacologic studies. The phosphorylated extracellular signal-regulated kinases 1 and 2 (pERK1/2) were quantified in the Locus coeruleus (LC), amygdala, and anterior cingulate cortex (ACC). DNIC was attenuated at 42 days of monoarthritis while present on days 7 and 28. On day 42, in contrast to day 28, noradrenaline was reduced and DBH labelling was increased. Moreover, spinal a2-AR were potentiated and no changes in a2-AR levels were observed. Additionally, at 42 days, the activation of ERKs1/2 was increased in the LC, ACC, and basolateral amygdala. This was accompanied by anxiety- and depressive-like behaviors, while at 28 days, only anxiety-like behaviors were observed. The data suggest DNIC is attenuated in prolonged chronic joint inflammatory pain, and this is accompanied by impairment of the descending noradrenergic modulation and anxiodepressive-like behaviors.
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Affiliation(s)
- Raquel Pereira-Silva
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - José Tiago Costa-Pereira
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Raquel Alonso
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Paula Serrão
- Departamento de Biomedicina–Unidade de Farmacologia e Terapêutica, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal;
- MedInUP–Center for Drug Discovery and Innovative Medicines, University of Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Isabel Martins
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Fani L. Neto
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
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The projections from the anterior cingulate cortex to the nucleus accumbens and ventral tegmental area contribute to neuropathic pain-evoked aversion in rats. Neurobiol Dis 2020; 140:104862. [PMID: 32251841 DOI: 10.1016/j.nbd.2020.104862] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 03/26/2020] [Accepted: 03/31/2020] [Indexed: 02/08/2023] Open
Abstract
Although the anterior cingulate cortex (ACC) plays a vital role in neuropathic pain-related aversion, the underlying mechanisms haven't been fully studied. The mesolimbic dopamine system encodes reward and aversion, and participates in the exacerbation of chronic pain. Therefore, we investigated whether the ACC modulates aversion to neuropathic pain via control of the mesolimbic dopamine system, in a rat model of chronic constriction injury (CCI) to the sciatic nerve. Using anterograde and retrograde tracings, we confirmed that a subgroup of ACC neurons projected to the nucleus accumbens (NAc) and ventral tegmental area (VTA), which are two crucial nodes of the mesolimbic dopamine system. Combining electrophysiology in juvenile rats 7 days post-CCI, we found that the NAc/VTA-projecting neurons were hyperexcitable after CCI. Chemogenetic inhibition of these projections induced conditioned place preference in young adult rats 10-14 days post-CCI, without modulating the evoked pain threshold, whereas activation of these projections in sham rats mimicked aversive behavior. Furthermore, the function of the ACC projections was probably mediated by NAc D2-type medium spiny neurons and VTA GABAergic neurons. Taken together, our findings suggest that projections from the ACC to the NAc and VTA mediate neuropathic pain-related aversive behavior.
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Transient receptor potential vanilloid 1 antagonism in neuroinflammation, neuroprotection and epigenetic regulation: potential therapeutic implications for severe psychiatric disorders treatment. Psychiatr Genet 2020; 30:39-48. [DOI: 10.1097/ypg.0000000000000249] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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124
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An exploratory proton MRS examination of gamma-aminobutyric acid, glutamate, and glutamine and their relationship to affective aspects of chronic pain. Neurosci Res 2020; 163:10-17. [PMID: 32171782 DOI: 10.1016/j.neures.2020.03.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 03/03/2020] [Accepted: 03/10/2020] [Indexed: 01/24/2023]
Abstract
Veterans experience chronic pain more frequently than civilians. Identification of neurobiological mechanisms underlying the pathophysiology of chronic pain in a veteran population may aid in the development of novel treatment targets. In this pilot proof-of-concept study, veterans with chronic pain (N = 61) and no chronic pain (N = 19) completed clinical interviews, self-report questionnaires inquiring about pain history, interference of pain with daily life, and pain catastrophizing, as well as measures of depressive and anxious symptoms. Veterans also underwent single-voxel proton (1H) magnetic resonance spectroscopy (MRS) at 3 T in the anterior cingulate cortex (ACC) using a two-dimensional (2D) J-resolved point spectroscopy sequence. We found no group difference in neurometabolites between veterans with and without chronic pain; however, pain intensity, negative thinking about pain, and description of pain in affective terms were associated with lower GABA/Cre in the ACC. In addition, the Glu/GABA ratio in the ACC was positively associated with anxiety and depressive symptoms in veterans with chronic pain. Reductions in GABA in the ACC may contribute to increased pain intensity and greater pain catastrophizing in veterans with chronic pain. Furthermore, a disturbance in the excitatory-inhibitory balance may contribute to the anxious and depressive symptoms related to chronic pain. Given the pilot nature of the study, these findings must be considered preliminary.
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125
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Zhou C, Wu Y, Ding X, Shi N, Cai Y, Pan ZZ. SIRT1 Decreases Emotional Pain Vulnerability with Associated CaMKIIα Deacetylation in Central Amygdala. J Neurosci 2020; 40:2332-2342. [PMID: 32005763 PMCID: PMC7083291 DOI: 10.1523/jneurosci.1259-19.2020] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 01/09/2020] [Accepted: 01/24/2020] [Indexed: 11/21/2022] Open
Abstract
Emotional disorders are common comorbid conditions that further exacerbate the severity and chronicity of chronic pain. However, individuals show considerable vulnerability to the development of chronic pain under similar pain conditions. In this study on male rat and mouse models of chronic neuropathic pain, we identify the histone deacetylase Sirtuin 1 (SIRT1) in central amygdala as a key epigenetic regulator that controls the development of comorbid emotional disorders underlying the individual vulnerability to chronic pain. We found that animals that were vulnerable to developing behaviors of anxiety and depression under the pain condition displayed reduced SIRT1 protein levels in central amygdala, but not those animals resistant to the emotional disorders. Viral overexpression of local SIRT1 reversed this vulnerability, but viral knockdown of local SIRT1 mimicked the pain effect, eliciting the pain vulnerability in pain-free animals. The SIRT1 action was associated with CaMKIIα downregulation and deacetylation of histone H3 lysine 9 at the CaMKIIα promoter. These results suggest that, by transcriptional repression of CaMKIIα in central amygdala, SIRT1 functions to guard against the emotional pain vulnerability under chronic pain conditions. This study indicates that SIRT1 may serve as a potential therapeutic molecule for individualized treatment of chronic pain with vulnerable emotional disorders.SIGNIFICANCE STATEMENT Chronic pain is a prevalent neurological disease with no effective treatment at present. Pain patients display considerably variable vulnerability to developing chronic pain, indicating individual-based molecular mechanisms underlying the pain vulnerability, which is hardly addressed in current preclinical research. In this study, we have identified the histone deacetylase Sirtuin 1 (SIRT1) as a key regulator that controls this pain vulnerability. This study reveals that the SIRT1-CaMKIIaα pathway in central amygdala acts as an epigenetic mechanism that guards against the development of comorbid emotional disorders under chronic pain, and that its dysfunction causes increased vulnerability to the development of chronic pain. These findings suggest that SIRT1 activators may be used in a novel therapeutic approach for individual-based treatment of chronic pain.
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Affiliation(s)
- Chenghua Zhou
- Department of Anesthesiology and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, and
| | - Yuqing Wu
- Jiangsu Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou 266061, People's Republic of China
| | - Xiaobao Ding
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, and
| | - Naihao Shi
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, and
| | - Youqin Cai
- Department of Anesthesiology and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030
| | - Zhizhong Z Pan
- Department of Anesthesiology and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030,
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126
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Murthy S, Gould E. How Early Life Adversity Influences Defensive Circuitry. Trends Neurosci 2020; 43:200-212. [PMID: 32209452 DOI: 10.1016/j.tins.2020.02.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/29/2020] [Accepted: 02/04/2020] [Indexed: 12/12/2022]
Abstract
Childhood maltreatment increases the likelihood of developing anxiety disorders in humans. Early life adversity (ELA) paradigms in rodents produce lasting increases in avoidant and inhibitory responses to both immediate and nonspecific threats, collectively referred to as defensive behaviors. This approach provides an opportunity to thoroughly investigate the underlying mechanisms, an effort that is currently under way. In this review, we consider the growing literature indicating that ELA alters the rhythmic firing of neurons in brain regions associated with defensive behavior, as well as potential neuronal, glial, and extracellular matrix contributions to functional changes in this circuitry. We also consider how ELA studies in rodents may inform us about both susceptible and resilient outcomes in humans.
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Affiliation(s)
- Sahana Murthy
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA
| | - Elizabeth Gould
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA.
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127
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Kim K, Shin W, Kang M, Lee S, Kim D, Kang R, Jung Y, Cho Y, Yang E, Kim H, Bae YC, Kim E. Presynaptic PTPσ regulates postsynaptic NMDA receptor function through direct adhesion-independent mechanisms. eLife 2020; 9:54224. [PMID: 32142410 PMCID: PMC7069723 DOI: 10.7554/elife.54224] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/04/2020] [Indexed: 12/14/2022] Open
Abstract
Synaptic adhesion molecules regulate synapse development and function. However, whether and how presynaptic adhesion molecules regulate postsynaptic NMDAR function remains largely unclear. Presynaptic LAR family receptor tyrosine phosphatases (LAR-RPTPs) regulate synapse development through mechanisms that include trans-synaptic adhesion; however, whether they regulate postsynaptic receptor functions remains unknown. Here we report that presynaptic PTPσ, a LAR-RPTP, enhances postsynaptic NMDA receptor (NMDAR) currents and NMDAR-dependent synaptic plasticity in the hippocampus. This regulation does not involve trans-synaptic adhesions of PTPσ, suggesting that the cytoplasmic domains of PTPσ, known to have tyrosine phosphatase activity and mediate protein-protein interactions, are important. In line with this, phosphotyrosine levels of presynaptic proteins, including neurexin-1, are strongly increased in PTPσ-mutant mice. Behaviorally, PTPσ-dependent NMDAR regulation is important for social and reward-related novelty recognition. These results suggest that presynaptic PTPσ regulates postsynaptic NMDAR function through trans-synaptic and direct adhesion-independent mechanisms and novelty recognition in social and reward contexts.
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Affiliation(s)
- Kyungdeok Kim
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
| | - Wangyong Shin
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea.,Center for Synaptic Brain Dysfunctions, Institute for Basic Science (IBS), Daejeon, Republic of Korea
| | - Muwon Kang
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
| | - Suho Lee
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science (IBS), Daejeon, Republic of Korea
| | - Doyoun Kim
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science (IBS), Daejeon, Republic of Korea
| | - Ryeonghwa Kang
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
| | - Yewon Jung
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
| | - Yisul Cho
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Esther Yang
- Department of Anatomy and Division of Brain Korea 21, Biomedical Science, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Hyun Kim
- Department of Anatomy and Division of Brain Korea 21, Biomedical Science, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Yong Chul Bae
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Eunjoon Kim
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea.,Center for Synaptic Brain Dysfunctions, Institute for Basic Science (IBS), Daejeon, Republic of Korea
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128
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Zhao H, Xue Q, Li C, Wang Q, Han S, Zhou Y, Yang T, Xie Y, Fu H, Lu C, Meng F, Zhang M, Zhang Y, Wu X, Wu S, Zhuo M, Xu H. Upregulation of Beta4 subunit of BK Ca channels in the anterior cingulate cortex contributes to mechanical allodynia associated anxiety-like behaviors. Mol Brain 2020; 13:22. [PMID: 32070382 PMCID: PMC7029562 DOI: 10.1186/s13041-020-0555-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 01/19/2020] [Indexed: 12/02/2022] Open
Abstract
The anterior cingulate cortex (ACC) serves as a critical hub for the anxiety and pain perception. The large-conductance Ca2+-activated potassium channels, or BKCa channels, are ubiquitously expressed throughout the central nervous system including the cingulate cortex. However, what changes of cortical BKCa channels undergo in the ACC remains unknown in pain-related anxiety. In the present study, a significant upregulation of synaptic and non-synaptic BKCa channel accessory β4 subunits in the ACC was accompanied with pain-associated anxiety-like behaviors in the chronic compression of multiple dorsal root ganglia (mCCD) of the rat. NS1619, an opener of BKCa channels, significantly rescued the alteration of fAHP and AP duration of ACC pyramidal neurons in mCCD rats. The mRNA expression of BKCa β4 subunits was extremely upregulated in the ACC after mCCD with the increased amount of both synaptic and non-synaptic BKCa β4 subunit protein. Meanwhile, NS1619 reversed the enhanced AMPA receptor-mediated spontaneous excitatory postsynaptic current (sEPSC) frequency and the attenuated PPR of ACC neurons in mCCD rats. Local activation of BKCa channels in the ACC reversed mechanical allodynia and anxiety-like behaviors. These results suggest that the upregulation of postsynaptic and presynaptic BKCa β4 subunit may contribute to neuronal hyperexcitability and the enhanced synaptic transmission in the ACC in neuropathic pain state, and then may result in anxiety-like behavior induced by neuropathic pain.
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Affiliation(s)
- Huan Zhao
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China.,Center for Neuron and Disease, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.,Department of Anesthesiology, Heze Municipal Hospital, Heze, 274031, Shandong, China
| | - Qian Xue
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Cong Li
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China.,Department of Anesthesiology, Heze Municipal Hospital, Heze, 274031, Shandong, China.,Shandong First Medcial University & Shandong Academy of Medical Sciences, Taian, 271000, Shandong, China
| | - Qingchuan Wang
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China.,Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Shichao Han
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yongsheng Zhou
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Tao Yang
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Yingli Xie
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Hao Fu
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Changbo Lu
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Fancheng Meng
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Ming Zhang
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Yan Zhang
- Department of Anesthesiology, Heze Municipal Hospital, Heze, 274031, Shandong, China
| | - Xianglong Wu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Shengxi Wu
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Min Zhuo
- Center for Neuron and Disease, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.,Department of Phsyiology, University of Toronto, Toronto, Canada
| | - Hui Xu
- Department of Neurobiology and Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China. .,Center for Neuron and Disease, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.
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129
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Park HY, Jang YE, Oh S, Lee PB. Psychological Characteristics in Patients with Chronic Complex Regional Pain Syndrome: Comparisons with Patients with Major Depressive Disorder and Other Types of Chronic Pain. J Pain Res 2020; 13:389-398. [PMID: 32104060 PMCID: PMC7026116 DOI: 10.2147/jpr.s230394] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 01/20/2020] [Indexed: 11/23/2022] Open
Abstract
Objective This study investigated psychological characteristics of patients with chronic complex regional pain syndrome (CRPS) and examined relationships between psychosocial factors and pain severity. Methods In total, 76 patients with CRPS, 95 patients with other types of chronic pain, 171 healthy controls, and 66 patients with major depressive disorder (MDD) were included. Minnesota Multiphasic Personality Inventory (MMPI-2) profiles and scores on the Beck Depression Inventory and State-Trait Anxiety Inventory were calculated. Pain intensity was measured using a visual analog scale (VAS). Results Patients with CRPS scored higher on the Hypochondriasis (Hs), Depression (D), Hysteria (Hy), Paranoia (Pa), and Psychasthenia (Pt) scales of the MMPI-2 compared to healthy controls. The CRPS group scored lower on the D, Psychopathic deviate (Pd), Pa, Pt, Schizophrenia (Sc), and Social introversion (Si) scales compared to the MDD group. Although CRPS patients reported higher levels of pain than patients with other types of pain, the MMPI profiles of the two pain groups did not differ significantly. Linear regression analyses revealed that pain severity was significantly associated with depression and scores on the Masculinity-Femininity (Mf) scale. Conclusion This is the first comparative study of the psychological characteristics of chronic CRPS patients, healthy controls, and patients with MDD. The neurotic profiles of CRPS patients were more psychologically adaptable than were those of patients with MDD; however, this profile was shared by both pain groups. The present findings further showed that, although pain severity was not a major contributor to depression, patients with CRPS should be evaluated for depressive symptoms.
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Affiliation(s)
- Hye Youn Park
- Department of Psychiatry, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ye Eun Jang
- Department of Psychiatry, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sunghee Oh
- Department of Psychiatry, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Pyung Bok Lee
- Pain Center, Seoul National University Bundang Hospital, Seongnam, Korea
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130
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Kremer M, Becker LJ, Barrot M, Yalcin I. How to study anxiety and depression in rodent models of chronic pain? Eur J Neurosci 2020; 53:236-270. [DOI: 10.1111/ejn.14686] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/06/2020] [Accepted: 01/14/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Mélanie Kremer
- Centre National de la Recherche Scientifique Institut des Neurosciences Cellulaires et Intégratives Université de Strasbourg Strasbourg France
| | - Léa J. Becker
- Centre National de la Recherche Scientifique Institut des Neurosciences Cellulaires et Intégratives Université de Strasbourg Strasbourg France
| | - Michel Barrot
- Centre National de la Recherche Scientifique Institut des Neurosciences Cellulaires et Intégratives Université de Strasbourg Strasbourg France
| | - Ipek Yalcin
- Centre National de la Recherche Scientifique Institut des Neurosciences Cellulaires et Intégratives Université de Strasbourg Strasbourg France
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131
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McGirr A, LeDue J, Chan AW, Boyd JD, Metzak PD, Murphy TH. Stress impacts sensory variability through cortical sensory activity motifs. Transl Psychiatry 2020; 10:20. [PMID: 32066714 PMCID: PMC7026117 DOI: 10.1038/s41398-020-0713-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 12/19/2019] [Accepted: 01/02/2020] [Indexed: 12/26/2022] Open
Abstract
Medically unexplained symptoms in depression are common. These individual-specific complaints are often considered an 'idiom of distress', yet animal studies suggest that cortical sensory representations are flexible and influenced by spontaneous cortical activity. We hypothesized that stress would reveal activity dynamics in somatosensory cortex resulting in greater sensory-evoked response variability. Using millisecond resolution in vivo voltage sensitive dye (VSD) imaging in mouse neocortex, we characterized spontaneous regional depolarizations within limb and barrel regions of somatosensory cortex, or spontaneous sensory motifs, and their influence on sensory variability. Stress revealed an idiosyncratic increase in spontaneous sensory motifs that is normalized by selective serotonin reuptake inhibitor treatment. Spontaneous motif frequency is associated with increased variability in sensory-evoked responses, and we optogenetically demonstrate that regional depolarization in somatosensory cortex increases sensory-evoked variability for seconds. This reveals a putative circuit level target for changes in sensory processing and for unexplained physical complaints in stress-related psychopathology.
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Affiliation(s)
- Alexander McGirr
- Department of Psychiatry, University of Calgary, Calgary, AB, Canada. .,Hotchkiss Brain Institute & The Mathison Centre for Mental Health Research and Education, University of Calgary, Calgary, AB, Canada.
| | - Jeffrey LeDue
- grid.17091.3e0000 0001 2288 9830Department of Psychiatry, University of British Columbia, Vancouver, BC Canada ,grid.17091.3e0000 0001 2288 9830Djavad Mowafaghian Brain Research Centre, University of British Columbia, Vancouver, BC Canada
| | - Allen W. Chan
- grid.17089.37Department of Psychiatry, University of Alberta, Edmonton, AB Canada
| | - James D. Boyd
- grid.17091.3e0000 0001 2288 9830Department of Psychiatry, University of British Columbia, Vancouver, BC Canada ,grid.17091.3e0000 0001 2288 9830Djavad Mowafaghian Brain Research Centre, University of British Columbia, Vancouver, BC Canada
| | - Paul D. Metzak
- grid.22072.350000 0004 1936 7697Department of Psychiatry, University of Calgary, Calgary, AB Canada ,grid.22072.350000 0004 1936 7697Hotchkiss Brain Institute & The Mathison Centre for Mental Health Research and Education, University of Calgary, Calgary, AB Canada
| | - Timothy H. Murphy
- grid.17091.3e0000 0001 2288 9830Department of Psychiatry, University of British Columbia, Vancouver, BC Canada ,grid.17091.3e0000 0001 2288 9830Djavad Mowafaghian Brain Research Centre, University of British Columbia, Vancouver, BC Canada
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132
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Serafini RA, Pryce KD, Zachariou V. The Mesolimbic Dopamine System in Chronic Pain and Associated Affective Comorbidities. Biol Psychiatry 2020; 87:64-73. [PMID: 31806085 PMCID: PMC6954000 DOI: 10.1016/j.biopsych.2019.10.018] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 10/24/2019] [Accepted: 10/25/2019] [Indexed: 12/18/2022]
Abstract
Chronic pain is a complex neuropsychiatric disorder characterized by sensory, cognitive, and affective symptoms. Over the past 2 decades, researchers have made significant progress toward understanding the impact of mesolimbic dopamine circuitry in acute and chronic pain. These efforts have provided insights into the circuits and intracellular pathways in the brain reward center that are implicated in sensory and affective manifestations of chronic pain. Studies have also identified novel therapeutic targets as well as factors that affect treatment responsiveness. Dysregulation of dopamine function in the brain reward center may further promote comorbid mood disorders and vulnerability to addiction. This review discusses recent clinical and preclinical findings on the neuroanatomical and neurochemical adaptations triggered by prolonged pain states in the brain reward pathway. Furthermore, this discussion highlights evidence of mechanisms underlying comorbidities among pain, depression, and addiction.
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Affiliation(s)
- Randal A Serafini
- Nash Family Department of Neuroscience, Department of Pharmacological Sciences, and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Kerri D Pryce
- Nash Family Department of Neuroscience, Department of Pharmacological Sciences, and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Venetia Zachariou
- Nash Family Department of Neuroscience, Department of Pharmacological Sciences, and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York.
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133
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Calvo M, Davies AJ, Hébert HL, Weir GA, Chesler EJ, Finnerup NB, Levitt RC, Smith BH, Neely GG, Costigan M, Bennett DL. The Genetics of Neuropathic Pain from Model Organisms to Clinical Application. Neuron 2019; 104:637-653. [PMID: 31751545 PMCID: PMC6868508 DOI: 10.1016/j.neuron.2019.09.018] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/05/2019] [Accepted: 09/12/2019] [Indexed: 12/14/2022]
Abstract
Neuropathic pain (NeuP) arises due to injury of the somatosensory nervous system and is both common and disabling, rendering an urgent need for non-addictive, effective new therapies. Given the high evolutionary conservation of pain, investigative approaches from Drosophila mutagenesis to human Mendelian genetics have aided our understanding of the maladaptive plasticity underlying NeuP. Successes include the identification of ion channel variants causing hyper-excitability and the importance of neuro-immune signaling. Recent developments encompass improved sensory phenotyping in animal models and patients, brain imaging, and electrophysiology-based pain biomarkers, the collection of large well-phenotyped population cohorts, neurons derived from patient stem cells, and high-precision CRISPR generated genetic editing. We will discuss how to harness these resources to understand the pathophysiological drivers of NeuP, define its relationship with comorbidities such as anxiety, depression, and sleep disorders, and explore how to apply these findings to the prediction, diagnosis, and treatment of NeuP in the clinic.
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Affiliation(s)
- Margarita Calvo
- Departamento de Fisiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alexander J Davies
- Neural Injury Group, Nuffield Department of Clinical Neuroscience, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Harry L Hébert
- Chronic Pain Research Group, Division of Population Health and Genomics, Mackenzie Building, Ninewells Hospital & Medical School, University of Dundee, Dundee, UK
| | - Greg A Weir
- Neural Injury Group, Nuffield Department of Clinical Neuroscience, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | | | - Nanna B Finnerup
- Department of Clinical Medicine, Danish Pain Research Center, Aarhus University, Aarhus 8000, Denmark
| | - Roy C Levitt
- Department of Anesthesiology, Perioperative Medicine and Pain Management, and John T. MacDonald Foundation Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Blair H Smith
- Chronic Pain Research Group, Division of Population Health and Genomics, Mackenzie Building, Ninewells Hospital & Medical School, University of Dundee, Dundee, UK
| | - G Gregory Neely
- Dr. John and Anne Chong Lab for Functional Genomics, Camperdown, University of Sydney, Sydney, NSW, Australia
| | - Michael Costigan
- Departments of Anesthesia and Neurobiology, Children's Hospital Boston and Harvard Medical School, Boston, MA, USA.
| | - David L Bennett
- Neural Injury Group, Nuffield Department of Clinical Neuroscience, John Radcliffe Hospital, University of Oxford, Oxford, UK.
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134
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Planchez B, Surget A, Belzung C. Animal models of major depression: drawbacks and challenges. J Neural Transm (Vienna) 2019; 126:1383-1408. [PMID: 31584111 PMCID: PMC6815270 DOI: 10.1007/s00702-019-02084-y] [Citation(s) in RCA: 227] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 09/17/2019] [Indexed: 12/12/2022]
Abstract
Major depression is a leading contributor to the global burden of disease. This situation is mainly related to the chronicity and/or recurrence of the disorder, and to poor response to antidepressant therapy. Progress in this area requires valid animal models. Current models are based either on manipulating the environment to which rodents are exposed (during the developmental period or adulthood) or biological underpinnings (i.e. gene deletion or overexpression of candidate genes, targeted lesions of brain areas, optogenetic control of specific neuronal populations, etc.). These manipulations can alter specific behavioural and biological outcomes that can be related to different symptomatic and pathophysiological dimensions of major depression. However, animal models of major depression display substantial shortcomings that contribute to the lack of innovative pharmacological approaches in recent decades and which hamper our capabilities to investigate treatment-resistant depression. Here, we discuss the validity of these models, review putative models of treatment-resistant depression, major depression subtypes and recurrent depression. Furthermore, we identify future challenges regarding new paradigms such as those proposing dimensional rather than categorical approaches to depression.
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Affiliation(s)
| | | | - Catherine Belzung
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.
- UMR 1253, iBrain, UFR Sciences et Techniques, Parc Grandmont, 37200, Tours, France.
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135
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miR-200a-3p modulates gene expression in comorbid pain and depression: Molecular implication for central sensitization. Brain Behav Immun 2019; 82:230-238. [PMID: 31479730 DOI: 10.1016/j.bbi.2019.08.190] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/18/2019] [Accepted: 08/26/2019] [Indexed: 12/20/2022] Open
Abstract
Chronic pain and depression are often comorbid exhibiting common clinical presentations and biological connections related to central nervous system sensitization. Epigenetic regulation of gene expression in the brain plays a crucial role in response to long-lasting stress and chronic pain, and microRNA imbalance in the prefrontal cortex (PFC) might be involved in central sensitization. Male Sprague Dawley rats were subjected to unpredictable chronic mild stress (UCMS) and spared nerve injury (SNI) to initiate depressive-like behavior and chronic pain behavior, respectively. The next-generation sequencing technique was employed to analyze PFC microRNAs in both the UCMS and SNI models. Rats exposed to either UCMS or SNI exhibited both depressive-like and chronic pain behaviors. Five specific microRNAs (miR-10a-5p, miR-182, miR-200a-3p, miR-200b-3p, and miR-429) were simultaneously down-regulated in the depressive-like and chronic pain models after 4 weeks of short-term stress. Gene ontology revealed that the 4-week period of stress enhanced neurogenesis. Only the miR-200a-3p level was continuously elevated under prolonged stress, suggesting roles of reduced neurogenesis, inflammatory activation, disturbed circadian rhythm, lipid metabolism, and insulin secretion in the co-existence of pain and depression. Thus we conclude that miR-200a-3p might be a specific biomarker of central sensitization in chronic pain and depression.
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136
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High cortical delta power correlates with aggravated allodynia by activating anterior cingulate cortex GABAergic neurons in neuropathic pain mice. Pain 2019; 161:288-299. [DOI: 10.1097/j.pain.0000000000001725] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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137
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Abstract
Regions of the prefrontal and cingulate cortices play important roles in the regulation of behaviors elicited by threat. Dissecting out their differential involvement will greatly increase our understanding of the varied etiology of symptoms of anxiety. I review evidence for altered activity within the major divisions of the prefrontal cortex, including orbitofrontal, ventrolateral, dorsolateral, and ventromedial sectors, along with the anterior cingulate cortex in patients with clinical anxiety. This review is integrated with a discussion of current knowledge about the causal role of these different prefrontal and cingulate regions in threat-elicited behaviors from experimental studies in rodents and monkeys. I highlight commonalities and inconsistencies between species and discuss the current state of our translational success in relating findings across species. Finally, I identify key issues that, if addressed, may improve that success in the future.
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Affiliation(s)
- Angela C. Roberts
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge CB2 3DY, United Kingdom;
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138
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Choi Y, Park H, Kang S, Jung H, Kweon H, Kim S, Choi I, Lee SY, Choi YE, Lee SH, Kim E. NGL-1/LRRC4C-Mutant Mice Display Hyperactivity and Anxiolytic-Like Behavior Associated With Widespread Suppression of Neuronal Activity. Front Mol Neurosci 2019; 12:250. [PMID: 31680855 PMCID: PMC6798069 DOI: 10.3389/fnmol.2019.00250] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 09/27/2019] [Indexed: 11/13/2022] Open
Abstract
Netrin-G ligand-1 (NGL-1), encoded by Lrrc4c, is a post-synaptic adhesion molecule implicated in various brain disorders, including bipolar disorder, autism spectrum disorder, and developmental delay. Although previous studies have explored the roles of NGL-1 in the regulation of synapse development and function, the importance of NGL-1 for specific behaviors and the nature of related neural circuits in mice remain unclear. Here, we report that mice lacking NGL-1 (Lrrc4c–/–) show strong hyperactivity and anxiolytic-like behavior. They also display impaired spatial and working memory, but normal object-recognition memory and social interaction. c-Fos staining under baseline and anxiety-inducing conditions revealed suppressed baseline neuronal activity as well as limited neuronal activation in widespread brain regions, including the anterior cingulate cortex (ACC), motor cortex, endopiriform nucleus, bed nuclei of the stria terminalis, and dentate gyrus. Neurons in the ACC, motor cortex, and dentate gyrus exhibit distinct alterations in excitatory synaptic transmission and intrinsic neuronal excitability. These results suggest that NGL-1 is important for normal locomotor activity, anxiety-like behavior, and learning and memory, as well as synapse properties and excitability of neurons in widespread brain regions under baseline and anxiety-inducing conditions.
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Affiliation(s)
- Yeonsoo Choi
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, South Korea
| | - Haram Park
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, South Korea
| | - Suwon Kang
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Hwajin Jung
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, South Korea
| | - Hanseul Kweon
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Seoyeong Kim
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Ilsong Choi
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Soo Yeon Lee
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Ye-Eun Choi
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Seung-Hee Lee
- Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
| | - Eunjoon Kim
- Center for Synaptic Brain Dysfunctions, Institute for Basic Science, Daejeon, South Korea.,Department of Biological Sciences, Korea Advanced Institute for Science and Technology, Daejeon, South Korea
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139
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Jarrin S, Finn DP. Optogenetics and its application in pain and anxiety research. Neurosci Biobehav Rev 2019; 105:200-211. [DOI: 10.1016/j.neubiorev.2019.08.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 08/02/2019] [Accepted: 08/11/2019] [Indexed: 12/13/2022]
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140
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Williams CJA, James LE, Bertelsen MF, Wang T. Analgesia for non-mammalian vertebrates. CURRENT OPINION IN PHYSIOLOGY 2019. [DOI: 10.1016/j.cophys.2019.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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141
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Huang J, Gadotti VM, Chen L, Souza IA, Huang S, Wang D, Ramakrishnan C, Deisseroth K, Zhang Z, Zamponi GW. A neuronal circuit for activating descending modulation of neuropathic pain. Nat Neurosci 2019; 22:1659-1668. [DOI: 10.1038/s41593-019-0481-5] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/25/2019] [Indexed: 11/09/2022]
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142
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Bai Y, Ma LT, Chen YB, Ren D, Chen YB, Li YQ, Sun HK, Qiu XT, Zhang T, Zhang MM, Yi XN, Chen T, Li H, Fan BY, Li YQ. Anterior insular cortex mediates hyperalgesia induced by chronic pancreatitis in rats. Mol Brain 2019; 12:76. [PMID: 31484535 PMCID: PMC6727343 DOI: 10.1186/s13041-019-0497-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Accepted: 08/23/2019] [Indexed: 12/11/2022] Open
Abstract
Central sensitization plays a pivotal role in the maintenance of chronic pain induced by chronic pancreatitis (CP), but cortical modulation of painful CP remains elusive. This study was designed to examine the role of anterior insular cortex (aIC) in the pathogenesis of hyperalgesia in a rat model of CP. CP was induced by intraductal administration of trinitrobenzene sulfonic acid (TNBS). Abdomen hyperalgesia and anxiety were assessed by von Frey filament and open field tests, respectively. Two weeks after surgery, the activation of aIC was indicated by FOS immunohistochemical staining and electrophysiological recordings. Expressions of VGluT1, NMDAR subunit NR2B and AMPAR subunit GluR1 were analyzed by immunoblottings. The regulatory roles of aIC in hyperalgesia and pain-related anxiety were detected via pharmacological approach and chemogenetics in CP rats. Our results showed that TNBS treatment resulted in long-term hyperalgesia and anxiety-like behavior in rats. CP rats exhibited increased FOS expression and potentiated excitatory synaptic transmission within aIC. CP rats also showed up-regulated expression of VGluT1, and increased membrane trafficking and phosphorylation of NR2B and GluR1 within aIC. Blocking excitatory synaptic transmission significantly attenuated abdomen mechanical hyperalgesia. Specifically inhibiting the excitability of insular pyramidal cells reduced both abdomen hyperalgesia and pain-related anxiety. In conclusion, our findings emphasize a key role for aIC in hyperalgesia and anxiety of painful CP, providing a novel insight into cortical modulation of painful CP and shedding light on aIC as a potential target for neuromodulation interventions in the treatment of CP.
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Affiliation(s)
- Yang Bai
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China
| | - Li-Tian Ma
- Department of Gastroenterology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yan-Bing Chen
- Department of Anatomy, Fujian Medical University, Fuzhou, 350108, China
| | - Dan Ren
- Department of Anatomy, Guangxi Medical University, Nanning, 530021, China
| | - Ying-Biao Chen
- Department of Anatomy, Fujian Health College, Fuzhou, 350101, China
| | - Ying-Qi Li
- Department of Cardiology, The Second Affiliated Hospital of Xian Jiaotong University, Xian Jiaotong University, Xi'an, 710004, China
| | - Hong-Ke Sun
- Department of Cardiology, The Second Affiliated Hospital of Xian Jiaotong University, Xian Jiaotong University, Xi'an, 710004, China
| | - Xin-Tong Qiu
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China
| | - Ting Zhang
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China
| | - Ming-Ming Zhang
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China
| | - Xi-Nan Yi
- Joint Laboratory of Neuroscience at Hainan Medical University and Fourth Military Medical University, Hainan Medical University, Haikou, 571199, China
| | - Tao Chen
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China
| | - Hui Li
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China
| | - Bo-Yuan Fan
- Department of Cardiology, The Second Affiliated Hospital of Xian Jiaotong University, Xian Jiaotong University, Xi'an, 710004, China.
| | - Yun-Qing Li
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, Fourth Military Medical University, No. 169, West Chang-le Road, Xi'an, 710032, China. .,Joint Laboratory of Neuroscience at Hainan Medical University and Fourth Military Medical University, Hainan Medical University, Haikou, 571199, China.
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143
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Modulation of the Negative Affective Dimension of Pain: Focus on Selected Neuropeptidergic System Contributions. Int J Mol Sci 2019; 20:ijms20164010. [PMID: 31426473 PMCID: PMC6720937 DOI: 10.3390/ijms20164010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/07/2019] [Accepted: 08/09/2019] [Indexed: 12/11/2022] Open
Abstract
It is well known that emotions can interfere with the perception of physical pain, as well as with the development and maintenance of painful conditions. On the other hand, somatic pain can have significant consequences on an individual’s affective behavior. Indeed, pain is defined as a complex and multidimensional experience, which includes both sensory and emotional components, thus exhibiting the features of a highly subjective experience. Over the years, neural pathways involved in the modulation of the different components of pain have been identified, indicating the existence of medial and lateral pain systems, which, respectively, project from medial or lateral thalamic nuclei to reach distinct cortex regions relating to specific functions. However, owing to the limited information concerning how mood state and painful input affect each other, pain treatment is frequently unsatisfactory. Different neuromodulators, including endogenous neuropeptides, appear to be involved in pain-related emotion and in its affective influence on pain perception, thus playing key roles in vulnerability and clinical outcome. Hence, this review article focuses on evidence concerning the modulation of the sensory and affective dimensions of pain, with particular attention given to some selected neuropeptidergic system contributions.
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144
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Li YJ, Zhang K, Sun T, Wang J, Guo YY, Yang L, Yang Q, Li YJ, Liu SB, Zhao MG, Wu YM. Epigenetic suppression of liver X receptor β in anterior cingulate cortex by HDAC5 drives CFA-induced chronic inflammatory pain. J Neuroinflammation 2019; 16:132. [PMID: 31255170 PMCID: PMC6599528 DOI: 10.1186/s12974-019-1507-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 05/21/2019] [Indexed: 01/30/2023] Open
Abstract
Background Liver X receptors (LXRs), including LXRα and LXRβ, are key regulators of transcriptional programs for both cholesterol homeostasis and inflammation in the brain. Here, the modes of action of LXRs and the epigenetic mechanisms regulating LXRβ expression in anterior cingulate cortex (ACC) of chronic inflammatory pain (CIP) are investigated. Methods The deficit of LXR isoform and analgesic effect of LXR activation by GW3965 were evaluated using the mouse model of CIP induced by hindpaw injection of complete Freund’s adjuvant (CFA). The mechanisms involved in GW-mediated analgesic effects were analyzed with immunohistochemical methods, ELISA, co-immunoprecipitation (Co-IP), Western blot, and electrophysiological recording. The epigenetic regulation of LXRβ expression was investigated by chromatin immunoprecipitation, quantitative real-time PCR, and sequencing. Results We revealed that CFA insult led to LXRβ reduction in ACC, which was associated with upregulated expression of histone deacetylase 5 (HDAC5), and knockdown of LXRβ by shRNA led to thermal hyperalgesia. Co-IP showed that LXRβ interacted with NF-κB p65 physically. LXRβ activation by GW3965 exerted analgesic effects by inhibiting the nuclear translocation of NF-κB, reducing the phosphorylation of mitogen-activated protein kinases (MAPKs) in ACC, and decreasing the promoted input-output and enhanced mEPSC frequency in ACC neurons after CFA exposure. In vitro experiments confirmed that HDAC5 triggered histone deacetylation on the promoter region of Lxrβ, resulting in downregulation of Lxrβ transcription. Conclusion These findings highlight an epigenetic mechanism underlying LXRβ deficits linked to CIP, and LXRβ activation may represent a potential novel target for the treatment of CIP with an alteration in inflammation responses and synaptic transmission in ACC. Electronic supplementary material The online version of this article (10.1186/s12974-019-1507-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yu-Jiao Li
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China.,Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, People's Republic of China
| | - Kun Zhang
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China.,Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, People's Republic of China
| | - Ting Sun
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China
| | - Jian Wang
- Department of Ambulatorium, 94750 Army Hospital, Liancheng, 366200, FuJian Province, People's Republic of China
| | - Yan-Yan Guo
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China
| | - Le Yang
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China
| | - Qi Yang
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China
| | - Yan-Jiao Li
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, People's Republic of China.,Department of Acupuncture and Moxibustion, Xi'an Hospital of Traditional Chinese Medicine, Xi'an, 710021, Shaanxi Province, People's Republic of China
| | - Shui-Bing Liu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, People's Republic of China
| | - Ming-Gao Zhao
- Department of Pharmacy, Precision Pharmacy & Drug Development Center, The Second Affiliated Hospital, Fourth Military Medical University, Xi'an, 710038, Shaanxi Province, People's Republic of China. .,Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, People's Republic of China.
| | - Yu-Mei Wu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, Shaanxi Province, People's Republic of China.
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145
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Llorca-Torralba M, Suárez-Pereira I, Bravo L, Camarena-Delgado C, Garcia-Partida JA, Mico JA, Berrocoso E. Chemogenetic Silencing of the Locus Coeruleus-Basolateral Amygdala Pathway Abolishes Pain-Induced Anxiety and Enhanced Aversive Learning in Rats. Biol Psychiatry 2019; 85:1021-1035. [PMID: 30987747 DOI: 10.1016/j.biopsych.2019.02.018] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 02/19/2019] [Accepted: 02/19/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Pain affects both sensory and emotional aversive responses, often provoking anxiety-related diseases when chronic. However, the neural mechanisms underlying the interactions between anxiety and chronic pain remain unclear. METHODS We characterized the sensory, emotional, and cognitive consequences of neuropathic pain (chronic constriction injury) in a rat model. Moreover, we determined the role of the locus coeruleus (LC) neurons that project to the basolateral amygdala (BLA) using a DREADD (designer receptor exclusively activated by designer drugs). RESULTS Chronic constriction injury led to sensorial hypersensitivity in both the short term and long term. Otherwise, long-term pain led to an anxiety-like profile (in the elevated zero maze and open field tests), as well as increased responses to learn aversive situations (in the passive avoidance and fear conditioning tests) and an impairment of nonemotional cognitive tasks (in the novel object recognition and object pattern of separation tests). Chemogenetic blockade of the LC-BLA pathway and intra-BLA or systemic antagonism of beta-adrenergic receptors abolished both long-term pain-induced anxiety and enhanced fear learning. By contrast, chemogenetic activation of this pathway induced anxiety-like behaviors and enhanced the aversive learning and memory index in sham animals, although it had little effect on short- and long-term chronic constriction injury animals. Interestingly, modulation of LC-BLA activity did not modify sensorial perception or episodic memory. CONCLUSIONS Our results indicate that dimensions associated with pain are processed by independent pathways and that there is an overactivation of the LC-BLA pathway when anxiety and chronic pain are comorbid, which involves the activity of beta-adrenergic receptors.
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Affiliation(s)
- Meritxell Llorca-Torralba
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, Cádiz, Spain; Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain; Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, Cádiz, Spain
| | - Irene Suárez-Pereira
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, Cádiz, Spain; Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, Cádiz, Spain
| | - Lidia Bravo
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, Cádiz, Spain; Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, Cádiz, Spain
| | - Carmen Camarena-Delgado
- Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain; Biomedical Research Foundation of Cadiz, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
| | - Jose Antonio Garcia-Partida
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, Cádiz, Spain; Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain
| | - Juan Antonio Mico
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, Cádiz, Spain; Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, Cádiz, Spain
| | - Esther Berrocoso
- Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Institute of Health Carlos III, Madrid, Spain; Biomedical Research Foundation of Cadiz, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, Cádiz, Spain.
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146
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Hisaoka-Nakashima K, Tomimura Y, Yoshii T, Ohata K, Takada N, Zhang FF, Nakamura Y, Liu K, Wake H, Nishibori M, Nakata Y, Morioka N. High-mobility group box 1-mediated microglial activation induces anxiodepressive-like behaviors in mice with neuropathic pain. Prog Neuropsychopharmacol Biol Psychiatry 2019; 92:347-362. [PMID: 30763674 DOI: 10.1016/j.pnpbp.2019.02.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 01/22/2019] [Accepted: 02/07/2019] [Indexed: 12/13/2022]
Abstract
Clinical evidence indicates that major depression is a common comorbidity of chronic pain, including neuropathic pain. However, the cellular basis for chronic pain-mediated major depression remains unclear. High-mobility group box 1 protein (HMGB1) has a key role in innate immune responses and appears to be have a role in mediating diverse disorders, including neuropathic pain and depression. The current study aimed to characterize neuropathic pain-induced changes in affect over time and to determine whether HMGB1 has a role in neuropathic pain-induced changes in affect. Neuropathic pain was induced by partial sciatic nerve ligation (PSNL) in mice. Anxiodepressive-like behaviors in mice were evaluated over 10 weeks, in the social interaction, forced swim, and novelty suppressed feeding tests. Mice developed anxiodepressive-like behavior 6 to 8 weeks after induction of neuropathy. Accompanying anxiodepressive-like behavior, increased HMGB1 protein and microglia activation were observed in frontal cortex at 8 weeks after PSNL. Intracerebroventricular administration of rHMGB1 in naïve mice induced anxiodepressive-like behavior and microglia activation. Blockage of HMGB1 in PSNL mice with glycyrrhizic acid (GZA) or anti-HMGB1 antibody reduced microglia activation and anxiodepressive-like behavior. These results indicate that PSNL-induced anxiodepressive-like behavior is likely mediated by HMGB1. Furthermore, the data indicate that inhibition of HMGB1-dependent microglia activation could be a strategy for the treatment of depression associated with neuropathic pain.
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Affiliation(s)
- Kazue Hisaoka-Nakashima
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Yoshiaki Tomimura
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Toshiki Yoshii
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Kazuto Ohata
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Naoki Takada
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Fang Fang Zhang
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan; Institute of Pharmacology, Tawishan Medical University, 619 Changcheng Road, Taian, Shandong 271016, China
| | - Yoki Nakamura
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Keyue Liu
- Department of Pharmacology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Shikata, Okayama, Japan
| | - Hidenori Wake
- Department of Pharmacology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Shikata, Okayama, Japan
| | - Masahiro Nishibori
- Department of Pharmacology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Shikata, Okayama, Japan
| | - Yoshihiro Nakata
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Norimitsu Morioka
- Department of Pharmacology, Graduate School of Biomedical & Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan.
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147
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Circadian neurogenetics of mood disorders. Cell Tissue Res 2019; 377:81-94. [DOI: 10.1007/s00441-019-03033-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 04/09/2019] [Indexed: 02/07/2023]
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148
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Increased CXCL13 and CXCR5 in Anterior Cingulate Cortex Contributes to Neuropathic Pain-Related Conditioned Place Aversion. Neurosci Bull 2019; 35:613-623. [PMID: 31041693 DOI: 10.1007/s12264-019-00377-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 12/24/2018] [Indexed: 10/26/2022] Open
Abstract
Pain consists of sensory-discriminative and emotional-affective components. The anterior cingulate cortex (ACC) is a critical brain area in mediating the affective pain. However, the molecular mechanisms involved remain largely unknown. Our recent study indicated that C-X-C motif chemokine 13 (CXCL13) and its sole receptor CXCR5 are involved in sensory sensitization in the spinal cord after spinal nerve ligation (SNL). Whether CXCL13/CXCR5 signaling in the ACC contributes to the pathogenesis of pain-related aversion remains unknown. Here, we showed that SNL increased the CXCL13 level and CXCR5 expression in the ACC after SNL. Knockdown of CXCR5 by microinjection of Cxcr5 shRNA into the ACC did not affect SNL-induced mechanical allodynia but effectively alleviated neuropathic pain-related place avoidance behavior. Furthermore, electrophysiological recording from layer II-III neurons in the ACC showed that SNL increased the frequency and amplitude of spontaneous excitatory postsynaptic currents (sEPSCs), decreased the EPSC paired-pulse ratio, and increased the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor/N-methyl-D-aspartate receptor ratio, indicating enhanced glutamatergic synaptic transmission. Finally, superfusion of CXCL13 onto ACC slices increased the frequency and amplitude of spontaneous EPSCs. Pre-injection of Cxcr5 shRNA into the ACC reduced the increase in glutamatergic synaptic transmission induced by SNL. Collectively, these results suggest that CXCL13/CXCR5 signaling in the ACC is involved in neuropathic pain-related aversion via synaptic potentiation.
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149
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Ketamine differentially restores diverse alterations of neuroligins in brain regions in a rat model of neuropathic pain-induced depression. Neuroreport 2019; 29:863-869. [PMID: 29742620 PMCID: PMC5999384 DOI: 10.1097/wnr.0000000000001045] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Depression is present in a large proportion of patients suffering from chronic pain, and yet the underlying mechanisms remain to be elucidated. Neuroligins (NLs), as a family of cell-adhesion proteins, are involved in synaptic formation and have been linked to various neuropsychiatric disorders. Here, we studied the alterations in NL1 and NL2 in the medial prefrontal cortex (mPFC), the anterior cingulate cortex (ACC), and the hippocampus in a rat model of neuropathic pain-induced depression, and whether ketamine, a rapid and robust antidepressant, could restore these abnormalities. In the present study, we found that spared nerve injury induced significant mechanical allodynia and subsequent depressive-like symptoms, along with decreased NL1 and increased NL2 in the mPFC, decreased NL1 in the ACC, and decreased NL2 in the hippocampus. In addition, brain-derived neurotrophic factor (BDNF) was reduced in these brain regions. It is noteworthy that ketamine (10 mg/kg) relieved neuropathic pain-induced depressive behaviors and restored alterations of BDNF and NLs in the mPFC and the hippocampus at 24 h and 72 h after the administration of ketamine, but only restored BDNF in the ACC. In conclusion, NLs showed diverse changes in different brain regions in the rat model of neuropathic pain-induced depression, which could be reversed differentially by the administration of ketamine.
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150
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Morphine effects within the rodent anterior cingulate cortex and rostral ventromedial medulla reveal separable modulation of affective and sensory qualities of acute or chronic pain. Pain 2019; 159:2512-2521. [PMID: 30086115 DOI: 10.1097/j.pain.0000000000001355] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Modulation of pain may result from engagement of opioid receptors in multiple brain regions. Whether sensory and affective qualities of pain are differentially affected by brain opioid receptor circuits remains unclear. We previously reported that opioid actions within the rostral anterior cingulate cortex (ACC) produce selective modulation of affective qualities of neuropathic pain in rodents, but whether such effects may occur in other areas of the ACC is not known. Here, morphine was microinjected into 3 regions of the ACC or into the rostral ventromedial medulla (RVM), and pain behaviors in naive, sham, or spinal nerve ligated (SNL) rats were evaluated. In naive animals, the tail-flick response was inhibited by RVM, but not ACC, morphine. Anterior cingulate cortex morphine did not affect tactile allodynia (the von Frey test) or mechanical (Randall-Selitto) or thermal (Hargreaves) hyperalgesia in spinal nerve ligated rats. In contrary, RVM morphine reduced tactile allodynia and produced both antihyperalgesic and analgesic effects against mechanical and thermal stimuli as well as conditioned place preference selectively in nerve-injured rats. Within the RVM, opioids inhibit nociceptive transmission reflected in both withdrawal thresholds and affective pain behaviors. Activation of mu opioid receptors within specific rostral ACC circuits, however, selectively modulates affective dimensions of ongoing pain without altering withdrawal behaviors. These data suggest that RVM and ACC opioid circuits differentially modulate sensory and affective qualities of pain, allowing for optimal behaviors that promote escape and survival. Targeting specific ACC opioid circuits may allow for treatment of chronic pain while preserving the physiological function of acute pain.
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