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Guan X, Cao P. Brain Mechanisms Underlying Panic Attack and Panic Disorder. Neurosci Bull 2024; 40:795-814. [PMID: 37477800 PMCID: PMC11178723 DOI: 10.1007/s12264-023-01088-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 04/23/2023] [Indexed: 07/22/2023] Open
Abstract
Panic disorder is a psychiatric disorder characterized by recurrent panic attacks, with a prevalence of ~ 4% in the general population, causing heavy personal and socioeconomic burdens. The similarities of animal defense responses to clinical panic attack symptoms in humans make it possible to translate neuroanatomical pathways identified in animal studies to panic disorder in humans. Therefore, in this review we first present a basic overview of panic disorder in humans including the main subtypes, models commonly used to trigger panic attacks, related hypotheses, the neurotransmitter systems that may be involved, and the current clinical treatments to give the reader a comprehensive understanding of panic disorder. The animal section introduces the models that trigger panic-like behavior in animals and the brain regions that may be involved, providing insights for future elucidation of the neural circuit mechanisms behind panic attacks.
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Affiliation(s)
- Xuyan Guan
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 102206, China.
- National Institute of Biological Sciences (NIBS), Beijing, 102206, China.
| | - Peng Cao
- Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 102206, China
- National Institute of Biological Sciences (NIBS), Beijing, 102206, China
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2
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Guarino A, Pignata P, Lovisari F, Asth L, Simonato M, Soukupova M. Cognitive comorbidities in the rat pilocarpine model of epilepsy. Front Neurol 2024; 15:1392977. [PMID: 38872822 PMCID: PMC11171745 DOI: 10.3389/fneur.2024.1392977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/30/2024] [Indexed: 06/15/2024] Open
Abstract
Patients with epilepsy are prone to cognitive decline, depression, anxiety and other behavioral disorders. Cognitive comorbidities are particularly common and well-characterized in people with temporal lobe epilepsy, while inconsistently addressed in epileptic animals. Therefore, the aim of this study was to ascertain whether there is good evidence of cognitive comorbidities in animal models of epilepsy, in particular in the rat pilocarpine model of temporal lobe epilepsy. We searched the literature published between 1990 and 2023. The association of spontaneous recurrent seizures induced by pilocarpine with cognitive alterations has been evaluated by using various tests: contextual fear conditioning (CFC), novel object recognition (NOR), radial and T-maze, Morris water maze (MWM) and their variants. Combination of results was difficult because of differences in methodological standards, in number of animals employed, and in outcome measures. Taken together, however, the analysis confirmed that pilocarpine-induced epilepsy has an effect on cognition in rats, and supports the notion that this is a valid model for assessment of cognitive temporal lobe epilepsy comorbidities in preclinical research.
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Affiliation(s)
- Annunziata Guarino
- Department of Neuroscience and Rehabilitation, Section of Pharmacology, University of Ferrara, Ferrara, Italy
| | - Paola Pignata
- Department of Neuroscience and Rehabilitation, Section of Pharmacology, University of Ferrara, Ferrara, Italy
| | - Francesca Lovisari
- Department of Neuroscience and Rehabilitation, Section of Pharmacology, University of Ferrara, Ferrara, Italy
| | - Laila Asth
- Department of Neuroscience and Rehabilitation, Section of Pharmacology, University of Ferrara, Ferrara, Italy
| | - Michele Simonato
- Department of Neuroscience and Rehabilitation, Section of Pharmacology, University of Ferrara, Ferrara, Italy
- Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Marie Soukupova
- Department of Neuroscience and Rehabilitation, Section of Pharmacology, University of Ferrara, Ferrara, Italy
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3
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Tang QQ, Wu Y, Tao Q, Shen Y, An X, Liu D, Xu Z. Direct paraventricular thalamus-basolateral amygdala circuit modulates neuropathic pain and emotional anxiety. Neuropsychopharmacology 2024; 49:455-466. [PMID: 37848732 PMCID: PMC10724280 DOI: 10.1038/s41386-023-01748-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/05/2023] [Accepted: 09/27/2023] [Indexed: 10/19/2023]
Abstract
The comorbidity of chronic pain and mental dysfunctions such as anxiety disorders has long been recognized, but the underlying mechanisms remained poorly understood. Here, using a mouse model of neuropathic pain, we demonstrated that the thalamic paraventricular nucleus (PVT) played a critical role in chronic pain-induced anxiety-like behavioral abnormalities. Fiber photometry and electrophysiology demonstrated that chronic pain increased the activities in PVT glutamatergic neurons. Chemogenetic manipulation revealed that suppression of PVT glutamatergic neurons relieved pain-like behavior and anxiety-like behaviors. Conversely, selective activation of PVT glutamatergic neurons showed algesic and anxiogenic effects. Furthermore, the elevated excitability of PVT glutamatergic neurons resulted in increased excitatory inputs to the basolateral complex (BLA) neurons. Optogenetic manipulation of the PVT-BLA pathway bilaterally modulates both the pain-like behavior and anxiety-like phenotypes. These findings shed light on how the PVT-BLA pathway contributed to the processing of pain-like behavior and maladaptive anxiety, and targeting this pathway might be a straightforward therapeutic strategy to both alleviate nociceptive hypersensitivity and rescue anxiety behaviors in chronic pain conditions.
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Affiliation(s)
- Qian-Qian Tang
- Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China
| | - Yuanyuan Wu
- Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China
| | - Qiang Tao
- Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China
| | - Yanan Shen
- Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China
| | - Xiaohu An
- Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China
| | - Di Liu
- Department of Anesthesiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Zifeng Xu
- Department of Anesthesiology, the International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, 910 Hengshan Road, Shanghai, China.
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4
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Pan Y, Mou Q, Huang Z, Chen S, Shi Y, Ye M, Shao M, Wang Z. Chronic social defeat alters behaviors and neuronal activation in the brain of female Mongolian gerbils. Behav Brain Res 2023; 448:114456. [PMID: 37116662 DOI: 10.1016/j.bbr.2023.114456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 03/30/2023] [Accepted: 04/25/2023] [Indexed: 04/30/2023]
Abstract
Chronic social defeat has been found to be stressful and to affect many aspects of the brain and behaviors in males. However, relatively little is known about its effects on females. In the present study, we examined the effects of repeated social defeat on social approach and anxiety-like behaviors as well as the neuronal activation in the brain of sexually naïve female Mongolian gerbils (Meriones unguiculatus). Our data indicate that repeated social defeats for 20 days reduced social approach and social investigation, but increased risk assessment or vigilance to an unfamiliar conspecific. Such social defeat experience also increased anxiety-like behavior and reduced locomotor activity. Using ΔFosB-immunoreactive (ΔFosB-ir) staining as a marker of neuronal activation in the brain, we found significant elevations by social defeat experience in the density of ΔFosB-ir stained neurons in several brain regions, including the prelimbic (PL) and infralimbic (IL) subnuclei of the prefrontal cortex (PFC), CA1 subfields (CA1) of the hippocampus, central subnuclei of the amygdala (CeA), the paraventricular nucleus (PVN), dorsomedial nucleus (DMH), and ventrolateral subdivision of the ventromedial nucleus (VMHvl) of the hypothalamus. As these brain regions have been implicated in social behaviors and stress responses, our data suggest that the specific patterns of neuronal activation in the brain may relate to the altered social and anxiety-like behaviors following chronic social defeat in female Mongolian gerbils.
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Affiliation(s)
- Yongliang Pan
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China.
| | - Qiuyue Mou
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Zhexue Huang
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Senyao Chen
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Yilei Shi
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Mengfan Ye
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, Huzhou Central Hospital, Huzhou University, Huzhou 313000, China
| | - Mingqin Shao
- College of Life Science, Jiangxi Normal University, Nanchang, Jiangxi, 330022, China
| | - Zuoxin Wang
- Department of Psychology and Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA
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5
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Caldirola D, Alciati A, Cuniberti F, Perna G. Experimental Drugs for Panic Disorder: An Updated Systematic Review. J Exp Pharmacol 2021; 13:441-459. [PMID: 33889031 PMCID: PMC8055642 DOI: 10.2147/jep.s261403] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/25/2021] [Indexed: 01/02/2023] Open
Abstract
Several effective pharmacological therapies for panic disorder (PD) are available, but they have some drawbacks, and unsatisfactory outcomes can occur. Expanding the variety of anti-panic medications may allow for improving PD treatment. The authors performed an updated systematic review of preclinical and clinical (Phase I–III) pharmacological studies to look for advances made in the last six years concerning novel-mechanism-based anti-panic compounds or using medications approved for nonpsychiatric medical conditions to treat PD. The study included seven published articles presenting a series of preclinical studies, two Phase I clinical studies with orexin receptor (OXR) antagonists, and two clinical studies investigating the effects of D-cycloserine (DCS) and xenon gas in individuals with PD. The latest preclinical findings confirmed and expanded previous promising indications of OXR1 antagonists as novel-mechanism-based anti-panic compounds. Translating preclinical research into clinical applications remains in the early stages. However, limited clinical findings suggested the selective OXR1 antagonist JNJ-61393115 may exert anti-panic effects in humans. Overall, OXR1 antagonists displayed a favorable profile of short-term safety and tolerability. Very preliminary suggestions of possible anti-panic effects of xenon gas emerged but need confirmation with more rigorous methodology. DCS did not seem promising as an enhancer of cognitive-behavioral therapy in PD. Future studies, including objective panic-related physiological parameters, such as respiratory measures, and expanding the use of panic vulnerability biomarkers, such as hypersensitivity to CO2 panic provocation, may allow for more reliable conclusions about the anti-panic properties of new compounds.
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Affiliation(s)
- Daniela Caldirola
- Department of Biomedical Sciences, Humanitas University, Milan, 20090, Italy.,Department of Clinical Neurosciences, Villa San Benedetto Menni Hospital, Hermanas Hospitalarias, Como, 22032, Italy
| | - Alessandra Alciati
- Department of Biomedical Sciences, Humanitas University, Milan, 20090, Italy.,Department of Clinical Neurosciences, Villa San Benedetto Menni Hospital, Hermanas Hospitalarias, Como, 22032, Italy.,Humanitas Clinical and Research Center, IRCCS, Milan, Rozzano, 20089, Italy
| | - Francesco Cuniberti
- Department of Biomedical Sciences, Humanitas University, Milan, 20090, Italy.,Department of Clinical Neurosciences, Villa San Benedetto Menni Hospital, Hermanas Hospitalarias, Como, 22032, Italy
| | - Giampaolo Perna
- Department of Biomedical Sciences, Humanitas University, Milan, 20090, Italy.,Department of Clinical Neurosciences, Villa San Benedetto Menni Hospital, Hermanas Hospitalarias, Como, 22032, Italy
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6
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Coordination of escape and spatial navigation circuits orchestrates versatile flight from threats. Neuron 2021; 109:1848-1860.e8. [PMID: 33861942 DOI: 10.1016/j.neuron.2021.03.033] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/24/2021] [Accepted: 03/24/2021] [Indexed: 12/19/2022]
Abstract
Naturalistic escape requires versatile context-specific flight with rapid evaluation of local geometry to identify and use efficient escape routes. It is unknown how spatial navigation and escape circuits are recruited to produce context-specific flight. Using mice, we show that activity in cholecystokinin-expressing hypothalamic dorsal premammillary nucleus (PMd-cck) cells is sufficient and necessary for context-specific escape that adapts to each environment's layout. In contrast, numerous other nuclei implicated in flight only induced stereotyped panic-related escape. We reasoned the dorsal premammillary nucleus (PMd) can induce context-specific escape because it projects to escape and spatial navigation nuclei. Indeed, activity in PMd-cck projections to thalamic spatial navigation circuits is necessary for context-specific escape induced by moderate threats but not panic-related stereotyped escape caused by perceived asphyxiation. Conversely, the PMd projection to the escape-inducing dorsal periaqueductal gray projection is necessary for all tested escapes. Thus, PMd-cck cells control versatile flight, engaging spatial navigation and escape circuits.
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7
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Kirouac GJ. The Paraventricular Nucleus of the Thalamus as an Integrating and Relay Node in the Brain Anxiety Network. Front Behav Neurosci 2021; 15:627633. [PMID: 33732118 PMCID: PMC7959748 DOI: 10.3389/fnbeh.2021.627633] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 01/28/2021] [Indexed: 12/25/2022] Open
Abstract
The brain anxiety network is composed of a number of interconnected cortical regions that detect threats and execute appropriate defensive responses via projections to the shell of the nucleus accumbens (NAcSh), dorsolateral region of the bed nucleus of the stria terminalis (BSTDL) and lateral region of the central nucleus of the amygdala (CeL). The paraventricular nucleus of the thalamus (PVT) is anatomically positioned to integrate threat- and arousal-related signals from cortex and hypothalamus and then relay these signals to neural circuits in the NAcSh, BSTDL, and CeL that mediate defensive responses. This review describes the anatomical connections of the PVT that support the view that the PVT may be a critical node in the brain anxiety network. Experimental findings are reviewed showing that the arousal peptides orexins (hypocretins) act at the PVT to promote avoidance of potential threats especially following exposure of rats to a single episode of footshocks. Recent anatomical and experimental findings are discussed which show that neurons in the PVT provide divergent projections to subcortical regions that mediate defensive behaviors and that the projection to the NAcSh is critical for the enhanced social avoidance displayed in rats exposed to footshocks. A theoretical model is proposed for how the PVT integrates cortical and hypothalamic signals to modulate the behavioral responses associated with anxiety and other challenging situations.
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Affiliation(s)
- Gilbert J. Kirouac
- Department of Oral Biology, Dr. Gerald Niznick College of Dentistry, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
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8
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Sonmez AI, Almorsy A, Ramsey LB, Strawn JR, Croarkin PE. Novel pharmacological treatments for generalized anxiety disorder: Pediatric considerations. Depress Anxiety 2020; 37:747-759. [PMID: 32419335 PMCID: PMC7584375 DOI: 10.1002/da.23038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 03/16/2020] [Accepted: 04/27/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Pediatric anxiety disorders such as generalized anxiety disorder (GAD) are common, impairing, and often undertreated. Moreover, many youth do not respond to standard, evidence-based psychosocial or psychopharmacologic treatment. An increased understanding of the gamma-aminobutyric acid (GABA) and glutamate neurotransmitter systems has created opportunities for novel intervention development for pediatric GAD. METHODS This narrative review examines potential candidates for pediatric GAD: eszopiclone, riluzole, eglumegad (LY354740), pimavanserin, agomelatine. RESULTS The pharmacology, preclinical data, clinical trial findings and known side effects of eszopiclone, riluzole, eglumegad (LY354740), pimavanserin, agomelatine, are reviewed, particularly with regard to their potential therapeutic relevance to pediatric GAD. CONCLUSION Notwithstanding numerous challenges, some of these agents represent potential candidate drugs for pediatric GAD. Further treatment development studies of agomelatine, eszopiclone, pimavanserin and riluzole for pediatric GAD also have the prospect of informing the understanding of GABAergic and glutamatergic function across development.
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Affiliation(s)
- A. Irem Sonmez
- Department of Psychiatry and Psychology Mayo Clinic, Rochester, Minnesota, USA
| | - Ammar Almorsy
- Department of Psychiatry and Psychology Mayo Clinic, Rochester, Minnesota, USA
| | - Laura B. Ramsey
- Division of Research in Patient Services and Clinical Pharmacology, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine Cincinnati, Ohio, USA
| | - Jeffrey R. Strawn
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, Ohio, USA
| | - Paul E. Croarkin
- Department of Psychiatry and Psychology Mayo Clinic, Rochester, Minnesota, USA
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9
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Molosh AI, Dustrude ET, Lukkes JL, Fitz SD, Caliman IF, Abreu ARR, Dietrich AD, Truitt WA, Ver Donck L, Ceusters M, Kent JM, Johnson PL, Shekhar A. Panic results in unique molecular and network changes in the amygdala that facilitate fear responses. Mol Psychiatry 2020; 25:442-460. [PMID: 30108314 PMCID: PMC6410355 DOI: 10.1038/s41380-018-0119-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 04/03/2018] [Accepted: 05/25/2018] [Indexed: 11/12/2022]
Abstract
Recurrent panic attacks (PAs) are a common feature of panic disorder (PD) and post-traumatic stress disorder (PTSD). Several distinct brain regions are involved in the regulation of panic responses, such as perifornical hypothalamus (PeF), periaqueductal gray, amygdala and frontal cortex. We have previously shown that inhibition of GABA synthesis in the PeF produces panic-vulnerable rats. Here, we investigate the mechanisms by which a panic-vulnerable state could lead to persistent fear. We first show that optogenetic activation of glutamatergic terminals from the PeF to the basolateral amygdala (BLA) enhanced the acquisition, delayed the extinction and induced the persistence of fear responses 3 weeks later, confirming a functional PeF-amygdala pathway involved in fear learning. Similar to optogenetic activation of PeF, panic-prone rats also exhibited delayed extinction. Next, we demonstrate that panic-prone rats had altered inhibitory and enhanced excitatory synaptic transmission of the principal neurons, and reduced protein levels of metabotropic glutamate type 2 receptor (mGluR2) in the BLA. Application of an mGluR2-positive allosteric modulator (PAM) reduced glutamate neurotransmission in the BLA slices from panic-prone rats. Treating panic-prone rats with mGluR2 PAM blocked sodium lactate (NaLac)-induced panic responses and normalized fear extinction deficits. Finally, in a subset of patients with comorbid PD, treatment with mGluR2 PAM resulted in complete remission of panic symptoms. These data demonstrate that a panic-prone state leads to specific reduction in mGluR2 function within the amygdala network and facilitates fear, and mGluR2 PAMs could be a targeted treatment for panic symptoms in PD and PTSD patients.
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Affiliation(s)
- A I Molosh
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
- Paul and Carol Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - E T Dustrude
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - J L Lukkes
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - S D Fitz
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - I F Caliman
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A R R Abreu
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A D Dietrich
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - W A Truitt
- Paul and Carol Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - L Ver Donck
- Janssen Research & Development, Beerse, Belgium
| | - M Ceusters
- Janssen Research & Development, Beerse, Belgium
| | - J M Kent
- Janssen Research & Development, LLC, Titusville, NJ, USA
| | - P L Johnson
- Paul and Carol Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A Shekhar
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA.
- Paul and Carol Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA.
- Indiana Clinical and Translational Sciences Institute, Indiana University School of Medicine, Indianapolis, IN, USA.
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10
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Raitiere MN. Does photoperiodism involve a seasonal and non-pathological Warburg effect? Med Hypotheses 2020; 135:109447. [DOI: 10.1016/j.mehy.2019.109447] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 10/20/2019] [Indexed: 12/15/2022]
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11
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Takeuchi Y, Berényi A. Oscillotherapeutics - Time-targeted interventions in epilepsy and beyond. Neurosci Res 2020; 152:87-107. [PMID: 31954733 DOI: 10.1016/j.neures.2020.01.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 02/09/2023]
Abstract
Oscillatory brain activities support many physiological functions from motor control to cognition. Disruptions of the normal oscillatory brain activities are commonly observed in neurological and psychiatric disorders including epilepsy, Parkinson's disease, Alzheimer's disease, schizophrenia, anxiety/trauma-related disorders, major depressive disorders, and drug addiction. Therefore, these disorders can be considered as common oscillation defects despite having distinct behavioral manifestations and genetic causes. Recent technical advances of neuronal activity recording and analysis have allowed us to study the pathological oscillations of each disorder as a possible biomarker of symptoms. Furthermore, recent advances in brain stimulation technologies enable time- and space-targeted interventions of the pathological oscillations of both neurological disorders and psychiatric disorders as possible targets for regulating their symptoms.
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Affiliation(s)
- Yuichi Takeuchi
- MTA-SZTE 'Momentum' Oscillatory Neuronal Networks Research Group, Department of Physiology, University of Szeged, Szeged, 6720, Hungary; Department of Neuropharmacology, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, 467-8603, Japan.
| | - Antal Berényi
- MTA-SZTE 'Momentum' Oscillatory Neuronal Networks Research Group, Department of Physiology, University of Szeged, Szeged, 6720, Hungary; HCEMM-SZTE Magnetotherapeutics Research Group, University of Szeged, Szeged, 6720, Hungary; Neuroscience Institute, New York University, New York, NY 10016, USA.
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12
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Fernandes GG, Frias AT, Spiacci A, Pinheiro LC, Tanus-Santos JE, Zangrossi H. Nitric oxide in the dorsal periaqueductal gray mediates the panic-like escape response evoked by exposure to hypoxia. Prog Neuropsychopharmacol Biol Psychiatry 2019; 92:321-327. [PMID: 30742862 DOI: 10.1016/j.pnpbp.2019.02.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 02/04/2019] [Accepted: 02/07/2019] [Indexed: 02/02/2023]
Abstract
Exposure of rats to an environment with low O2 levels evokes a panic-like escape behavior and recruits the dorsal periaqueductal gray (dPAG), which is considered to be a key region in the pathophysiology of panic disorder. The neurochemical basis of this response is, however, currently unknown. We here investigated the role played by nitric oxide (NO) within the dPAG in mediation of the escape reaction induced by hypoxia exposure. The results showed that exposure of male Wistar rats to 7% O2 increased nitrite levels, a NO metabolite, in the dPAG but not in the amygdala or hypothalamus. Nitrite levels in the dPAG were correlated with the number of escape attempts during the hypoxia challenge. Injections of the NO synthesis inhibitor NPA, the NO-scavenger c- PTIO, or the NMDA receptor antagonist AP-7 into the dorsolateral column of the periaqueductal gray (dlPAG) inhibited escape expression during hypoxia, without affecting the rats' locomotion. Intra-dlPAG administration of c-PTIO had no effect on the escape response evoked by the elevated-T maze, a defensive behavior that has also been associated with panic attacks. Altogether, our results suggest that NO plays a critical role in mediation of the panic-like defensive response evoked by exposure to low O2 concentrations.
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Affiliation(s)
- Gabriel Gripp Fernandes
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Alana Tercino Frias
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Ailton Spiacci
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Lucas C Pinheiro
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | | | - Hélio Zangrossi
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil.
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13
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Winter A, Ahlbrand R, Sah R. Recruitment of central angiotensin II type 1 receptor associated neurocircuits in carbon dioxide associated fear. Prog Neuropsychopharmacol Biol Psychiatry 2019; 92:378-386. [PMID: 30776402 DOI: 10.1016/j.pnpbp.2019.02.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 01/15/2019] [Accepted: 02/14/2019] [Indexed: 11/29/2022]
Abstract
Individuals with fear-associated conditions such as panic disorder (PD) and posttraumatic stress disorder (PTSD) display increased emotional responses to interoceptive triggers, such as CO2 inhalation, that signal a threat to physiological homeostasis. Currently, effector systems and mechanisms underlying homeostatic modulation of fear memory are not well understood. In this regard, the renin angiotensin system (RAS), particularly the angiotensin receptor type 1 (AT1R), a primary homeostatic regulatory target, has gained attention. RAS polymorphisms have been reported in PD and PTSD, and recent studies report AT1R-mediated modulation of fear extinction. However, contribution of AT1Rs in fear evoked by the interoceptive threat of CO2 has not been investigated. Using pharmacological, behavioral, and AT1R/ACE gene transcription analyses, we assessed central AT1R recruitment in CO2-associated fear. CO2 inhalation led to significant AT1R and ACE mRNA upregulation in homeostatic regulatory regions, subfornical organ (SFO) and paraventricular nucleus (PVN), in a temporal manner. Intracerebroventricular infusion of selective AT1R antagonist, losartan, significantly attenuated freezing during CO2 inhalation, and during re-exposure to CO2 context, suggestive of AT1R modulation of contextual fear. Regional Fos mapping in losartan-treated mice post-behavior revealed significantly attenuated labeling in areas regulating defensive behavior, contextual fear, and threat responding; such as, the bed nucleus of stria terminalis, dorsal periaqueductal gray, hypothalamic nuclei, hippocampus, and prefrontal areas such as the prelimbic, infralimbic, and anterior cingulate cortices. Sub-regions of the amygdala did not show CO2-associated AT1R regulation or altered Fos labeling. Collectively, our data suggests central AT1R recruitment in modulation of fear behaviors associated with CO2 inhalation via engagement of neurocircuits regulating homeostasis and defensive behaviors. Our data provides mechanistic insights into the interoceptive regulation of fear, relevant to fear related disorders such as PD and PTSD.
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Affiliation(s)
- Andrew Winter
- Dept. of Pharmacology and Systems Physiology, University of Cincinnati, United States; Neuroscience Graduate Program, University of Cincinnati, United States
| | - Rebecca Ahlbrand
- Dept. of Pharmacology and Systems Physiology, University of Cincinnati, United States; VA Medical Center, Cincinnati, OH, 45221, United States
| | - Renu Sah
- Dept. of Pharmacology and Systems Physiology, University of Cincinnati, United States; Neuroscience Graduate Program, University of Cincinnati, United States; VA Medical Center, Cincinnati, OH, 45221, United States.
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14
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Sant’Ana AB, Vilela-Costa HH, Vicente MA, Hernandes PM, de Andrade TGCS, Zangrossi H. Role of 5-HT2C receptors of the dorsal hippocampus in the modulation of anxiety- and panic-related defensive responses in rats. Neuropharmacology 2019; 148:311-319. [DOI: 10.1016/j.neuropharm.2019.01.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 01/21/2019] [Accepted: 01/23/2019] [Indexed: 11/26/2022]
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15
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Hypothalamic endocannabinoid signalling modulates aversive responses related to panic attacks. Neuropharmacology 2019; 148:284-290. [DOI: 10.1016/j.neuropharm.2019.01.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 01/18/2019] [Accepted: 01/20/2019] [Indexed: 01/29/2023]
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16
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Vilela-Costa HH, Spiacci A, Bissolli IG, Zangrossi H. A Shift in the Activation of Serotonergic and Non-serotonergic Neurons in the Dorsal Raphe Lateral Wings Subnucleus Underlies the Panicolytic-Like Effect of Fluoxetine in Rats. Mol Neurobiol 2019; 56:6487-6500. [DOI: 10.1007/s12035-019-1536-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 02/22/2019] [Indexed: 01/04/2023]
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17
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Park SC, Kim YK. A Novel Bio-Psychosocial-Behavioral Treatment Model of Panic Disorder. Psychiatry Investig 2019; 16:4-15. [PMID: 30301303 PMCID: PMC6354044 DOI: 10.30773/pi.2018.08.21.1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 08/09/2018] [Accepted: 08/21/2018] [Indexed: 12/11/2022] Open
Abstract
To conceptualize a novel bio-psychosocial-behavioral treatment model of panic disorder (PD), it is necessary to completely integrate behavioral, psychophysiological, neurobiological, and genetic data. Molecular genetic research on PD is specifically focused on neurotransmitters, including serotonin, neuropeptides, glucocorticoids, and neurotrophins. Although pharmacological interventions for PD are currently available, the need for more effective, faster-acting, and more tolerable pharmacological interventions is unmet. Thus, glutamatergic receptor modulators, orexin receptor antagonists, corticotrophin-releasing factor 1 receptor antagonists, and other novel mechanism-based anti-panic therapeutics have been proposed. Research on the neural correlates of PD is focused on the dysfunctional "cross-talk" between emotional drive (limbic structure) and cognitive inhibition (prefrontal cortex) and the fear circuit, which includes the amygdala-hippocampus-prefrontal axis. The neural perspective regarding PD supports the idea that cognitive-behavioral therapy normalizes alterations in top-down cognitive processing, including increased threat expectancy and attention to threat. Consistent with the concept of "personalized medicine," it is speculated that Research Domain Criteria can enlighten further treatments targeting dysfunctions underlying PD more precisely and provide us with better definitions of moderators used to identify subgroups according to different responses to treatment. Structuring of the "negative valence systems" domain, which includes fear/anxiety, is required to define PD. Therefore, targeting glutamate- and orexin-related molecular mechanisms associated with the fear circuit, which includes the amygdala-hippocampus-prefrontal cortex axis, is required to define a novel bio-psychosocial-behavioral treatment model of PD.
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Affiliation(s)
- Seon-Cheol Park
- Department of Psychiatry, Inje University College of Medicine and Haeundae Paik Hospital, Busan, Republic of Korea
| | - Yong-Ku Kim
- Department of Psychiatry, College of Medicine, Korea University, Ansan Hospital, Ansan, Republic of Korea
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18
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Hassell JE, Nguyen KT, Gates CA, Lowry CA. The Impact of Stressor Exposure and Glucocorticoids on Anxiety and Fear. Curr Top Behav Neurosci 2019; 43:271-321. [PMID: 30357573 DOI: 10.1007/7854_2018_63] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Anxiety disorders and trauma- and stressor-related disorders, such as posttraumatic stress disorder (PTSD), are common and are associated with significant economic and social burdens. Although trauma and stressor exposure are recognized as a risk factors for development of anxiety disorders and trauma or stressor exposure is recognized as essential for diagnosis of PTSD, the mechanisms through which trauma and stressor exposure lead to these disorders are not well characterized. An improved understanding of the mechanisms through which trauma or stressor exposure leads to development and persistence of anxiety disorders or PTSD may result in novel therapeutic approaches for the treatment of these disorders. Here, we review the current state-of-the-art theories, with respect to mechanisms through which stressor exposure leads to acute or chronic exaggeration of avoidance or anxiety-like defensive behavioral responses and fear, endophenotypes in both anxiety disorders and trauma- and stressor-related psychiatric disorders. In this chapter, we will explore physiological responses and neural circuits involved in the development of acute and chronic exaggeration of anxiety-like defensive behavioral responses and fear states, focusing on the role of the hypothalamic-pituitary-adrenal (HPA) axis and glucocorticoid hormones.
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Affiliation(s)
- J E Hassell
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, USA
| | - K T Nguyen
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - C A Gates
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - C A Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA.
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, USA.
- Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Center for Neuroscience, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Veterans Health Administration, Rocky Mountain Mental Illness Research Education and Clinical Center, Denver Veterans Affairs Medical Center (VAMC), Denver, CO, USA.
- Military and Veteran Microbiome Consortium for Research and Education (MVM-CoRE), Denver, CO, USA.
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Abreu AR, Molosh AI, Johnson PL, Shekhar A. Role of medial hypothalamic orexin system in panic, phobia and hypertension. Brain Res 2018; 1731:145942. [PMID: 30205108 DOI: 10.1016/j.brainres.2018.09.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 09/04/2018] [Accepted: 09/06/2018] [Indexed: 12/11/2022]
Abstract
Orexin has been implicated in a number of physiological functions, including arousal, regulation of sleep, energy metabolism, appetitive behaviors, stress, anxiety, fear, panic, and cardiovascular control. In this review, we will highlight research focused on orexin system in the medial hypothalamic regions of perifornical (PeF) and dorsomedial hypothalamus (DMH), and describe the role of this hypothalamic neuropeptide in the behavioral expression of panic and consequent fear and avoidance responses, as well as sympathetic regulation and possible development of chronic hypertension. We will also outline recent data highlighting the clinical potential of single and dual orexin receptor antagonists for neuropsychiatric conditions including panic, phobia, and cardiovascular conditions, such as in hypertension.
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Affiliation(s)
- Aline R Abreu
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Andrei I Molosh
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA; Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Philip L Johnson
- Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA; Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Anantha Shekhar
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA; Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA; Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA; Indiana Clinical and Translational Sciences Institute, Indiana University School of Medicine, Indianapolis, IN, USA.
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20
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Caldirola D, Alciati A, Riva A, Perna G. Are there advances in pharmacotherapy for panic disorder? A systematic review of the past five years. Expert Opin Pharmacother 2018; 19:1357-1368. [PMID: 30063164 DOI: 10.1080/14656566.2018.1504921] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
INTRODUCTION Several effective medications are available for treating panic disorder (PD). However, outcomes are unsatisfactory in a number of patients, suggesting the usefulness of expanding the array of antipanic drugs and improving the quality of response to current recommended treatments. AREAS COVERED The authors have performed an updated systematic review of pharmacological studies (phase III onwards) to examine whether advances have been made in the last five years. Only four studies were included. D-cycloserine no longer seemed promising as a cognitive-behavioral therapy (CBT) enhancer. Some preliminary findings concerning the optimization of recommended medications deserved consideration, including: the possibility that SSRIs are more effective than CBT alone in treating panic attacks, combined therapy is preferable when agoraphobia is present, and clonazepam is more potent than paroxetine in decreasing panic relapse. EXPERT OPINION Given the lack of novel treatments, expanding a personalized approach to the existing medications seems to be the most feasible strategy to improve pharmacotherapy outcomes regarding PD. Recent technological progress, including wearable devices collecting real-time data, 'big data' platforms, and application of machine learning techniques might help make outcome prediction more reliable. Further research on previously promising novel treatments is also recommended.
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Affiliation(s)
- Daniela Caldirola
- a Department of Clinical Neurosciences , Hermanas Hospitalarias, Villa San Benedetto Menni Hospital, FoRiPsi , Albese con Cassano, Como , Italy
| | - Alessandra Alciati
- a Department of Clinical Neurosciences , Hermanas Hospitalarias, Villa San Benedetto Menni Hospital, FoRiPsi , Albese con Cassano, Como , Italy
- b Humanitas Clinical and Research Center , Milan , Italy
| | - Alice Riva
- a Department of Clinical Neurosciences , Hermanas Hospitalarias, Villa San Benedetto Menni Hospital, FoRiPsi , Albese con Cassano, Como , Italy
| | - Giampaolo Perna
- a Department of Clinical Neurosciences , Hermanas Hospitalarias, Villa San Benedetto Menni Hospital, FoRiPsi , Albese con Cassano, Como , Italy
- c Department of Biomedical Sciences , Humanitas University , Rozzano, Milan , Italy
- d Department of Psychiatry and Neuropsychology, Faculty of Health , Medicine and Life Sciences, Maastricht University , Maastricht , The Netherlands
- e Department of Psychiatry and Behavioral Sciences , Leonard Miller School of Medicine, Miami University , Miami , FL , USA
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21
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Bonaventure P, Dugovic C, Shireman B, Preville C, Yun S, Lord B, Nepomuceno D, Wennerholm M, Lovenberg T, Carruthers N, Fitz SD, Shekhar A, Johnson PL. Evaluation of JNJ-54717793 a Novel Brain Penetrant Selective Orexin 1 Receptor Antagonist in Two Rat Models of Panic Attack Provocation. Front Pharmacol 2017; 8:357. [PMID: 28649201 PMCID: PMC5465257 DOI: 10.3389/fphar.2017.00357] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 05/24/2017] [Indexed: 11/13/2022] Open
Abstract
Orexin neurons originating in the perifornical and lateral hypothalamic area are highly reactive to anxiogenic stimuli and have strong projections to anxiety and panic-associated circuitry. Recent studies support a role for the orexin system and in particular the orexin 1 receptor (OX1R) in coordinating an integrative stress response. However, no selective OX1R antagonist has been systematically tested in two preclinical models of using panicogenic stimuli that induce panic attack in the majority of people with panic disorder, namely an acute hypercapnia-panic provocation model and a model involving chronic inhibition of GABA synthesis in the perifornical hypothalamic area followed by intravenous sodium lactate infusion. Here we report on a novel brain penetrant, selective and high affinity OX1R antagonist JNJ-54717793 (1S,2R,4R)-7-([(3-fluoro-2-pyrimidin-2-ylphenyl)carbonyl]-N-[5-(trifluoromethyl)pyrazin-2-yl]-7-azabicyclo[2.2.1]heptan-2-amine). JNJ-54717793 is a high affinity/potent OX1R antagonist and has an excellent selectivity profile including 50 fold versus the OX2R. Ex vivo receptor binding studies demonstrated that after oral administration JNJ-54717793 crossed the blood brain barrier and occupied OX1Rs in the rat brain. While JNJ-54717793 had minimal effect on spontaneous sleep in rats and in wild-type mice, its administration in OX2R knockout mice, selectively promoted rapid eye movement sleep, demonstrating target engagement and specific OX1R blockade. JNJ-54717793 attenuated CO2 and sodium lactate induced panic-like behaviors and cardiovascular responses without altering baseline locomotor or autonomic activity. These data confirm that selective OX1R antagonism may represent a novel approach of treating anxiety disorders, with no apparent sedative effects.
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Affiliation(s)
| | | | - Brock Shireman
- Janssen Research & Development, LLC, San DiegoCA, United States
| | - Cathy Preville
- Janssen Research & Development, LLC, San DiegoCA, United States
| | - Sujin Yun
- Janssen Research & Development, LLC, San DiegoCA, United States
| | - Brian Lord
- Janssen Research & Development, LLC, San DiegoCA, United States
| | | | | | | | | | - Stephanie D. Fitz
- Department of Psychiatry, Indiana University School of Medicine, IndianapolisIN, United States
| | - Anantha Shekhar
- Department of Psychiatry, Indiana University School of Medicine, IndianapolisIN, United States
- Stark Neurosciences Research Institute, Indiana University School of Medicine, IndianapolisIN, United States
| | - Philip L. Johnson
- Stark Neurosciences Research Institute, Indiana University School of Medicine, IndianapolisIN, United States
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, IndianapolisIN, United States
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22
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Roncon CM, Yamashita PSDM, Frias AT, Audi EA, Graeff FG, Coimbra NC, Zangrossi H. μ-Opioid and 5-HT1A receptors in the dorsomedial hypothalamus interact for the regulation of panic-related defensive responses. J Psychopharmacol 2017; 31:715-721. [PMID: 28583050 DOI: 10.1177/0269881117693747] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The dorsomedial hypothalamus (DMH) and the dorsal periaqueductal gray (DPAG) have been implicated in the genesis and regulation of panic-related defensive behaviors, such as escape. Previous results point to an interaction between serotonergic and opioidergic systems within the DPAG to inhibit escape, involving µ-opioid and 5-HT1A receptors (5-HT1AR). In the present study we explore this interaction in the DMH, using escape elicited by electrical stimulation of this area as a panic attack index. The obtained results show that intra-DMH administration of the non-selective opioid receptor antagonist naloxone (0.5 nmol) prevented the panicolytic-like effect of a local injection of serotonin (20 nmol). Pretreatment with the selective μ-opioid receptor (MOR) antagonist CTOP (1 nmol) blocked the panicolytic-like effect of the 5-HT1AR agonist 8-OHDPAT (8 nmol). Intra-DMH injection of the selective MOR agonist DAMGO (0.3 nmol) also inhibited escape behavior, and a previous injection of the 5-HT1AR antagonist WAY-100635 (0.37 nmol) counteracted this panicolytic-like effect. These results offer the first evidence that serotonergic and opioidergic systems work together within the DMH to inhibit panic-like behavior through an interaction between µ-opioid and 5-HT1A receptors, as previously described in the DPAG.
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Affiliation(s)
- Camila Marroni Roncon
- 1 Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Paula Shimene de Melo Yamashita
- 1 Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.,2 Department of Integrative Physiology and Center for Neuroscience, University of Colorado, Boulder, CO, USA
| | - Alana Tercino Frias
- 1 Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Elisabeth Aparecida Audi
- 3 Laboratory of Psychopharmacology, Department of Pharmacology and Therapeutics, State University of Maringá, Maringá, Paraná, Brazil
| | - Frederico Guilherme Graeff
- 4 Behavioural Neurosciences Institute (INeC), Ribeirão Preto, São Paulo, Brazil.,5 NAP-USP-Neurobiology of Emotions Research Centre (NuPNE), FMRP-USP, Ribeirão Preto, São Paulo, Brazil
| | - Norberto Cysne Coimbra
- 1 Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.,4 Behavioural Neurosciences Institute (INeC), Ribeirão Preto, São Paulo, Brazil.,5 NAP-USP-Neurobiology of Emotions Research Centre (NuPNE), FMRP-USP, Ribeirão Preto, São Paulo, Brazil
| | - Helio Zangrossi
- 1 Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.,4 Behavioural Neurosciences Institute (INeC), Ribeirão Preto, São Paulo, Brazil.,5 NAP-USP-Neurobiology of Emotions Research Centre (NuPNE), FMRP-USP, Ribeirão Preto, São Paulo, Brazil
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Solanki RR, Scholl JL, Watt MJ, Renner KJ, Forster GL. Amphetamine Withdrawal Differentially Increases the Expression of Organic Cation Transporter 3 and Serotonin Transporter in Limbic Brain Regions. J Exp Neurosci 2016; 10:93-100. [PMID: 27478387 PMCID: PMC4957605 DOI: 10.4137/jen.s40231] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 06/27/2016] [Accepted: 06/28/2016] [Indexed: 12/26/2022] Open
Abstract
Amphetamine withdrawal increases anxiety and stress sensitivity related to blunted ventral hippocampus (vHipp) and enhances the central nucleus of the amygdala (CeA) serotonin responses. Extracellular serotonin levels are regulated by the serotonin transporter (SERT) and organic cation transporter 3 (OCT3), and vHipp OCT3 expression is enhanced during 24 hours of amphetamine withdrawal, while SERT expression is unaltered. Here, we tested whether OCT3 and SERT expression in the CeA is also affected during acute withdrawal to explain opposing regional alterations in limbic serotonergic neurotransmission and if respective changes continued with two weeks of withdrawal. We also determined whether changes in transporter expression were confined to these regions. Male rats received amphetamine or saline for two weeks followed by 24 hours or two weeks of withdrawal, with transporter expression measured using Western immunoblot. OCT3 and SERT expression increased in the CeA at both withdrawal timepoints. In the vHipp, OCT3 expression increased only at 24 hours of withdrawal, with an equivalent pattern seen in the dorsomedial hypothalamus. No changes were evident in any other regions sampled. These regionally specific changes in limbic OCT3 and SERT expression may partially contribute to the serotonergic imbalance and negative affect during amphetamine withdrawal.
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Affiliation(s)
- Rajeshwari R. Solanki
- Division of Basic Biomedical Sciences, Sanford School of Medicine, Center for Brain and Behavior Research, University of South Dakota, Vermillion, SD, USA
| | - Jamie L. Scholl
- Division of Basic Biomedical Sciences, Sanford School of Medicine, Center for Brain and Behavior Research, University of South Dakota, Vermillion, SD, USA
| | - Michael J. Watt
- Division of Basic Biomedical Sciences, Sanford School of Medicine, Center for Brain and Behavior Research, University of South Dakota, Vermillion, SD, USA
| | - Kenneth J. Renner
- Biology Department, Center for Brain and Behavior Research, University of South Dakota, Vermillion, SD, USA
| | - Gina L. Forster
- Division of Basic Biomedical Sciences, Sanford School of Medicine, Center for Brain and Behavior Research, University of South Dakota, Vermillion, SD, USA
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O'Farrell K, Harkin A. Stress-related regulation of the kynurenine pathway: Relevance to neuropsychiatric and degenerative disorders. Neuropharmacology 2015; 112:307-323. [PMID: 26690895 DOI: 10.1016/j.neuropharm.2015.12.004] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 12/02/2015] [Accepted: 12/08/2015] [Indexed: 02/08/2023]
Abstract
The kynurenine pathway (KP), which is activated in times of stress and infection has been implicated in the pathophysiology of neurodegenerative and psychiatric disorders. Activation of this tryptophan metabolising pathway results in the production of neuroactive metabolites which have the potential to interfere with normal neuronal functioning which may contribute to altered neuronal transmission and the emergence of symptoms of these brain disorders. This review investigates the involvement of the KP in a range of neurological disorders, examining recent in vitro, in vivo and clinical discoveries highlights evidence to indicate that the KP is a potential therapeutic target in both neurodegenerative and stress-related neuropsychiatric disorders. Furthermore, this review identifies gaps in our knowledge with regard to this field which are yet to be examined to lead to a more comprehensive understanding of the role of KP activation in brain health and disease. This article is part of the Special Issue entitled 'The Kynurenine Pathway in Health and Disease'.
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Affiliation(s)
- Katherine O'Farrell
- Neuropsychopharmacology Research Group, School of Pharmacy and Pharmaceutical Sciences & Trinity College Institute of Neuroscience, Trinity College Dublin, Ireland
| | - Andrew Harkin
- Neuropsychopharmacology Research Group, School of Pharmacy and Pharmaceutical Sciences & Trinity College Institute of Neuroscience, Trinity College Dublin, Ireland; Neuroimmunology Research Group, Department of Physiology, School of Medicine & Trinity College Institute of Neuroscience, Trinity College Dublin, Ireland.
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25
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Ullah F, dos Anjos-Garcia T, dos Santos IR, Biagioni AF, Coimbra NC. Relevance of dorsomedial hypothalamus, dorsomedial division of the ventromedial hypothalamus and the dorsal periaqueductal gray matter in the organization of freezing or oriented and non-oriented escape emotional behaviors. Behav Brain Res 2015. [DOI: 10.1016/j.bbr.2015.07.013] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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26
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Flores Á, Saravia R, Maldonado R, Berrendero F. Orexins and fear: implications for the treatment of anxiety disorders. Trends Neurosci 2015. [DOI: 10.1016/j.tins.2015.06.005] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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27
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Johnson PL, Federici LM, Fitz SD, Renger JJ, Shireman B, Winrow CJ, Bonaventure P, Shekhar A. OREXIN 1 AND 2 RECEPTOR INVOLVEMENT IN CO2 -INDUCED PANIC-ASSOCIATED BEHAVIOR AND AUTONOMIC RESPONSES. Depress Anxiety 2015; 32:671-83. [PMID: 26332431 PMCID: PMC4729192 DOI: 10.1002/da.22403] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Accepted: 07/07/2015] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND The neuropeptides orexin A and B play a role in reward and feeding and are critical for arousal. However, it was not initially appreciated that most prepro-orexin synthesizing neurons are almost exclusively concentrated in the perifornical hypothalamus, which when stimulated elicits panic-associated behavior and cardiovascular responses in rodents and self-reported "panic attacks" and "fear of dying" in humans. More recent studies support a role for the orexin system in coordinating an integrative stress response. For instance, orexin neurons are highly reactive to anxiogenic stimuli, are hyperactive in anxiety pathology, and have strong projections to anxiety and panic-associated circuitry. Although the two cognate orexin receptors are colocalized in many brain regions, the orexin 2 receptor (OX2R) most robustly maps to the histaminergic wake-promoting region, while the orexin 1 receptor (OX1R) distribution is more exclusive and dense in anxiety and panic circuitry regions, such as the locus ceruleus. Overall, this suggests that OX1Rs play a critical role in mobilizing anxiety and panic responses. METHODS Here, we used a CO2 -panic provocation model to screen a dual OX1/2R antagonist (DORA-12) to globally inhibit orexin activity, then a highly selective OX1R antagonist (SORA1, Compound 56) or OX2R antagonist (SORA2, JnJ10397049) to assess OX1R and OX2R involvement. RESULTS All compounds except the SORA2 attenuated CO2 -induced anxiety-like behaviors, and all but the SORA2 and DORA attenuated CO2 -induced cardiovascular responses. CONCLUSIONS SORA1s may represent a novel method of treating anxiety disorders, with no apparent sedative effects that were present with a benzodiazepine.
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Affiliation(s)
- Philip L Johnson
- Departments of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana.,Departments of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana.,Departments of Medical Neuroscience Program, Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, Indiana
| | - Lauren M Federici
- Departments of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana.,Departments of Medical Neuroscience Program, Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, Indiana
| | - Stephanie D Fitz
- Departments of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana
| | | | - Brock Shireman
- Janssen Research and Development LLC, San Diego, California
| | | | | | - Anantha Shekhar
- Departments of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana.,Departments of Medical Neuroscience Program, Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, Indiana.,Indiana Clinical and Translational Sciences Institute, Indiana University School of Medicine, Indianapolis, Indiana
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Bondarenko E, Beig MI, Hodgson DM, Braga VA, Nalivaiko E. Blockade of the dorsomedial hypothalamus and the perifornical area inhibits respiratory responses to arousing and stressful stimuli. Am J Physiol Regul Integr Comp Physiol 2015; 308:R816-22. [DOI: 10.1152/ajpregu.00415.2014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 03/05/2015] [Indexed: 11/22/2022]
Abstract
The dorsomedial hypothalamus (DMH) and the perifornical area (DMH/PeF) is one of the key regions of central autonomic processing. Previous studies have established that this region contains neurons that may be involved in respiratory processing; however, this has never been tested in conscious animals. The aim of our study was to investigate the involvement of the DMH/PeF area in mediating respiratory responses to stressors of various intensities and duration. Adult male Wistar rats ( n = 8) received microinjections of GABAA agonist muscimol or saline into the DMH/PeF bilaterally and were subjected to a respiratory recording using whole body plethysmography. Presentation of acoustic stimuli (500-ms white noise) evoked transient responses in respiratory rate, proportional to the stimulus intensity, ranging from +44 ± 27 to +329 ± 31 cycles/min (cpm). Blockade of the DMH/PeF almost completely abolished respiratory rate and tidal volume responses to the 40- to 70-dB stimuli and also significantly attenuated responses to the 80- to 90-dB stimuli. Also, it significantly attenuated respiratory rate during the acclimatization period (novel environment stress). The light stimulus (30-s 2,000 lux) as well as 15-min restraint stress significantly elevated respiratory rate from 95 ± 4.0 to 236 ± 29 cpm and from 117 ± 5.2 to 189 ± 13 cpm, respectively; this response was abolished after the DMH/PeF blockade. We conclude that integrity of the DMH/PeF area is essential for generation of respiratory responses to both stressful and alerting stimuli.
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Affiliation(s)
| | | | | | - Valdir A. Braga
- Biotechnology Centre, Federal University of Paraiba, Joao Pessoa, Paraiba, Brazil
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Vollmer LL, Strawn JR, Sah R. Acid-base dysregulation and chemosensory mechanisms in panic disorder: a translational update. Transl Psychiatry 2015; 5:e572. [PMID: 26080089 PMCID: PMC4471296 DOI: 10.1038/tp.2015.67] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2014] [Revised: 02/19/2015] [Accepted: 04/06/2015] [Indexed: 12/13/2022] Open
Abstract
Panic disorder (PD), a complex anxiety disorder characterized by recurrent panic attacks, represents a poorly understood psychiatric condition which is associated with significant morbidity and an increased risk of suicide attempts and completed suicide. Recently however, neuroimaging and panic provocation challenge studies have provided insights into the pathoetiology of panic phenomena and have begun to elucidate potential neural mechanisms that may underlie panic attacks. In this regard, accumulating evidence suggests that acidosis may be a contributing factor in induction of panic. Challenge studies in patients with PD reveal that panic attacks may be reliably provoked by agents that lead to acid-base dysbalance such as CO2 inhalation and sodium lactate infusion. Chemosensory mechanisms that translate pH into panic-relevant fear, autonomic, and respiratory responses are therefore of high relevance to the understanding of panic pathophysiology. Herein, we provide a current update on clinical and preclinical studies supporting how acid-base imbalance and diverse chemosensory mechanisms may be associated with PD and discuss future implications of these findings.
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Affiliation(s)
- L L Vollmer
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, College of Medicine, Cincinnati, OH, USA
| | - J R Strawn
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, College of Medicine, Cincinnati, OH, USA,Cincinnati Children's Hospital Medical Center, Department of Psychiatry, Cincinnati, OH, USA
| | - R Sah
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, College of Medicine, Cincinnati, OH, USA,Veterens' Affairs Medical Center, Cincinnati, OH, USA,Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, 2170 East Galbraith Road, Cincinnati, OH 45237, USA. E-mail:
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Luchetti A, Oddi D, Lampis V, Centofante E, Felsani A, Battaglia M, D'Amato FR. Early handling and repeated cross-fostering have opposite effect on mouse emotionality. Front Behav Neurosci 2015; 9:93. [PMID: 25954170 PMCID: PMC4404916 DOI: 10.3389/fnbeh.2015.00093] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 03/31/2015] [Indexed: 11/26/2022] Open
Abstract
Early life events have a crucial role in programming the individual phenotype and exposure to traumatic experiences during infancy can increase later risk for a variety of neuropsychiatric conditions, including mood and anxiety disorders. Animal models of postnatal stress have been developed in rodents to explore molecular mechanisms responsible for the observed short and long lasting neurobiological effects of such manipulations. The main aim of this study was to compare the behavioral and hormonal phenotype of young and adult animals exposed to different postnatal treatments. Outbred mice were exposed to (i) the classical Handling protocol (H: 15 min-day of separation from the mother from day 1 to 14 of life) or to (ii) a Repeated Cross-Fostering protocol (RCF: adoption of litters from day 1 to 4 of life by different dams). Handled mice received more maternal care in infancy and showed the already described reduced emotionality at adulthood. Repeated cross fostered animals did not differ for maternal care received, but showed enhanced sensitivity to separation from the mother in infancy and altered respiratory response to 6% CO2 in breathing air in comparison with controls. Abnormal respiratory responses to hypercapnia are commonly found among humans with panic disorders (PD), and point to RCF-induced instability of the early environment as a valid developmental model for PD. The comparisons between short- and long-term effects of postnatal handling vs. RCF indicate that different types of early adversities are associated with different behavioral profiles, and evoke psychopathologies that can be distinguished according to the neurobiological systems disrupted by early-life manipulations.
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Affiliation(s)
- Alessandra Luchetti
- Institute of Cell Biology and Neurobiology, National Research Council/Fondazione Santa Lucia Rome, Italy
| | - Diego Oddi
- Institute of Cell Biology and Neurobiology, National Research Council/Fondazione Santa Lucia Rome, Italy
| | - Valentina Lampis
- Academic Centre for the Study of Behavioral Plasticity, Vita-Salute San Raffaele University Milan, Italy
| | - Eleonora Centofante
- Institute of Cell Biology and Neurobiology, National Research Council/Fondazione Santa Lucia Rome, Italy
| | - Armando Felsani
- Institute of Cell Biology and Neurobiology, National Research Council/Fondazione Santa Lucia Rome, Italy ; Genomnia Lainate, Italy
| | - Marco Battaglia
- Academic Centre for the Study of Behavioral Plasticity, Vita-Salute San Raffaele University Milan, Italy ; Institut Universitaire en Santé Mentale de Québec, Laval University Quebec, QC, Canada
| | - Francesca R D'Amato
- Institute of Cell Biology and Neurobiology, National Research Council/Fondazione Santa Lucia Rome, Italy ; Institut Universitaire en Santé Mentale de Québec, Laval University Quebec, QC, Canada
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31
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Bonaventure P, Yun S, Johnson PL, Shekhar A, Fitz SD, Shireman BT, Lebold TP, Nepomuceno D, Lord B, Wennerholm M, Shelton J, Carruthers N, Lovenberg T, Dugovic C. A selective orexin-1 receptor antagonist attenuates stress-induced hyperarousal without hypnotic effects. J Pharmacol Exp Ther 2015; 352:590-601. [PMID: 25583879 DOI: 10.1124/jpet.114.220392] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Orexins (OXs) are peptides produced by perifornical (PeF) and lateral hypothalamic neurons that exert a prominent role in arousal-related processes, including stress. A critical role for the orexin-1 receptor (OX1R) in complex emotional behavior is emerging, such as overactivation of the OX1R pathway being associated with panic or anxiety states. Here we characterize a brain-penetrant, selective, and high-affinity OX1R antagonist, compound 56 [N-({3-[(3-ethoxy-6-methylpyridin-2-yl)carbonyl]-3-azabicyclo[4.1.0]hept-4-yl}methyl)-5-(trifluoromethyl)pyrimidin-2-amine]. Ex vivo receptor binding studies demonstrated that, after subcutaneous administration, compound 56 crossed the blood-brain barrier and occupied OX1Rs in the rat brain at lower doses than standard OX1R antagonists GSK-1059865 [5-bromo-N-({1-[(3-fluoro-2-methoxyphenyl)carbonyl]-5-methylpiperidin-2-yl}methyl)pyridin-2-amine], SB-334867 [1-(2-methyl-1,3-benzoxazol-6-yl)-3-(1,5-naphthyridin-4-yl)urea], and SB-408124 [1-(6,8-difluoro-2-methylquinolin-4-yl)-3-[4-(dimethylamino)phenyl]urea]. Although compound 56 did not alter spontaneous sleep in rats and in wild-type mice, its administration in orexin-2 receptor knockout mice selectively promoted rapid eye movement sleep, demonstrating target engagement and specific OX1R blockade. In a rat model of psychological stress induced by cage exchange, the OX1R antagonist prevented the prolongation of sleep onset without affecting sleep duration. In a rat model of panic vulnerability (involving disinhibition of the PeF OX region) to threatening internal state changes (i.e., intravenous sodium lactate infusion), compound 56 attenuated sodium lactate-induced panic-like behaviors and cardiovascular responses without altering baseline locomotor or autonomic activity. In conclusion, OX1R antagonism represents a novel therapeutic strategy for the treatment of various psychiatric disorders associated with stress or hyperarousal states.
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Affiliation(s)
- Pascal Bonaventure
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Sujin Yun
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Philip L Johnson
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Anantha Shekhar
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Stephanie D Fitz
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Brock T Shireman
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Terry P Lebold
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Diane Nepomuceno
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Brian Lord
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Michelle Wennerholm
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Jonathan Shelton
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Nicholas Carruthers
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Timothy Lovenberg
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
| | - Christine Dugovic
- Janssen Research & Development, LLC, San Diego, California (P.B., S.Y., B.T.S., T.P.L., D.N., B.L., M.W., J.S., N.C., T.L., C.D.); and Indiana University School of Medicine, Indianapolis, Indiana (P.L.J., A.S., S.D.F.)
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Perna G, Schruers K, Alciati A, Caldirola D. Novel investigational therapeutics for panic disorder. Expert Opin Investig Drugs 2014; 24:491-505. [DOI: 10.1517/13543784.2014.996286] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Giampaolo Perna
- 1Hermanas Hospitalarias - Villa San Benedetto Menni Hospital, Department of Clinical Neurosciences, FoRiPsi, via Roma 16, 22032, Albese con Cassano, Como, Italy ;
- 2University of Maastricht, Medicine and Life Sciences, Department of Psychiatry and Neuropsychology, Faculty of Health, Maastricht, The Netherlands
- 3University of Miami, Leonard Miller School of Medicine, Department of Psychiatry and Behavioral Sciences, Miami, FL, USA
| | - Koen Schruers
- 2University of Maastricht, Medicine and Life Sciences, Department of Psychiatry and Neuropsychology, Faculty of Health, Maastricht, The Netherlands
- 4Faculty of Psychology, University of Leuven, Center for Learning and Experimental Psychology, Loeven, Belgium
| | - Alessandra Alciati
- 1Hermanas Hospitalarias - Villa San Benedetto Menni Hospital, Department of Clinical Neurosciences, FoRiPsi, via Roma 16, 22032, Albese con Cassano, Como, Italy ;
| | - Daniela Caldirola
- 1Hermanas Hospitalarias - Villa San Benedetto Menni Hospital, Department of Clinical Neurosciences, FoRiPsi, via Roma 16, 22032, Albese con Cassano, Como, Italy ;
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Dorsomedial hypothalamus serotonin 1A receptors mediate a panic-related response in the elevated T-maze. Brain Res Bull 2014; 109:39-45. [DOI: 10.1016/j.brainresbull.2014.09.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 09/23/2014] [Accepted: 09/24/2014] [Indexed: 11/22/2022]
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Lovick TA. Sex determinants of experimental panic attacks. Neurosci Biobehav Rev 2014; 46 Pt 3:465-71. [DOI: 10.1016/j.neubiorev.2014.03.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 01/15/2014] [Accepted: 03/01/2014] [Indexed: 12/16/2022]
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Bevins RA, Besheer J. Interoception and learning: import to understanding and treating diseases and psychopathologies. ACS Chem Neurosci 2014; 5:624-31. [PMID: 25010473 PMCID: PMC4140586 DOI: 10.1021/cn5001028] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 07/09/2014] [Indexed: 12/23/2022] Open
Abstract
Chemotherapeutic agents nauseate cancer patients. Some individuals with schizophrenia hear voices. Chronic pain can be reduced by analgesics. Nausea, voices, and pain are examples of internal (interoceptive) stimuli closely linked with a disease and/or its treatment. There is evidence that the perception and, hence, role of these internal stimuli can be modified by one's learning history. There is also increased awareness by researchers and practitioners of the potential import of learning involving internal states to some diseases and psychopathologies. Unfortunately, the science, theory, and practice appear to be trailing behind awareness. In this mini-review, we describe two examples: smoking and panic disorder. While doing so, we discuss the need to develop translationally relevant animal models that will allow investigators to better understand the behavioral and neural mechanisms underlying interoception and learning.
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Affiliation(s)
- Rick A Bevins
- Behavioral Neuropharmacology Lab, Department of Psychology, University of Nebraska-Lincoln , Lincoln, Nebraska 68588-0308, United States
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Johnson PL, Federici LM, Shekhar A. Etiology, triggers and neurochemical circuits associated with unexpected, expected, and laboratory-induced panic attacks. Neurosci Biobehav Rev 2014; 46 Pt 3:429-54. [PMID: 25130976 DOI: 10.1016/j.neubiorev.2014.07.027] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 06/24/2014] [Accepted: 07/31/2014] [Indexed: 12/18/2022]
Abstract
Panic disorder (PD) is a severe anxiety disorder that is characterized by recurrent panic attacks (PA), which can be unexpected (uPA, i.e., no clear identifiable trigger) or expected (ePA). Panic typically involves an abrupt feeling of catastrophic fear or distress accompanied by physiological symptoms such as palpitations, racing heart, thermal sensations, and sweating. Recurrent uPA and ePA can also lead to agoraphobia, where subjects with PD avoid situations that were associated with PA. Here we will review recent developments in our understanding of PD, which includes discussions on: symptoms and signs associated with uPA and ePAs; Diagnosis of PD and the new DSM-V; biological etiology such as heritability and gene×environment and gene×hormonal development interactions; comparisons between laboratory and naturally occurring uPAs and ePAs; neurochemical systems that are associated with clinical PAs (e.g. gene associations; targets for triggering or treating PAs), adaptive fear and panic response concepts in the context of new NIH RDoc approach; and finally strengths and weaknesses of translational animal models of adaptive and pathological panic states.
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Affiliation(s)
- Philip L Johnson
- Department of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA; Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA; Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA.
| | - Lauren M Federici
- Department of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, IN, USA; Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Anantha Shekhar
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN, USA; Stark Neuroscience Research Institute, Indiana University School of Medicine, Indianapolis, IN, USA; Indiana Clinical and Translational Sciences Institute, Indiana University School of Medicine, Indianapolis, IN, USA
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Goncharuk VD, Buijs RM, Jhamandas JH, Swaab DF. The hypothalamic neuropeptide FF network is impaired in hypertensive patients. Brain Behav 2014; 4:453-67. [PMID: 25161813 PMCID: PMC4075637 DOI: 10.1002/brb3.229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 03/02/2014] [Accepted: 03/13/2014] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND The human hypothalamus contains the neuropeptide FF (NPFF) neurochemical network. Animal experiments demonstrated that NPFF is implicated in the central cardiovascular regulation. We therefore studied expression of this peptide in the hypothalamus of individuals who suffered from essential hypertension (n = 8) and died suddenly due to acute myocardial infarction (AMI), and compared to that of healthy individuals (controls) (n = 6) who died abruptly due to mechanical trauma of the chest. METHODS The frozen right part of the hypothalamus was cut coronally into serial sections of 20 μm thickness, and each tenth section was stained immunohistochemically using antibody against NPFF. The central section through each hypothalamic nucleus was characterized by the highest intensity of NPFF immunostaining and thus was chosen for quantitative densitometry. RESULTS In hypertensive patients, the area occupied by NPFF immunostained neuronal elements in the central sections through the suprachiasmatic nucleus (SCh), paraventricular hypothalamic nucleus (Pa), bed nucleus of the stria terminalis (BST), perinuclear zone (PNZ) of the supraoptic nucleus (SON), dorso- (DMH), ventromedial (VMH) nuclei, and perifornical nucleus (PeF) was dramatically decreased compared to controls, ranging about six times less in the VMH to 15 times less in the central part of the BST (BSTC). The NPFF innervation of both nonstained neuronal profiles and microvasculature was extremely poor in hypertensive patients compared to control. CONCLUSIONS The decreased NPFF expression in the hypothalamus of hypertensive patients might be a cause of impairment of its interaction with other neurochemical systems, and thereby might be involved in the pathogenesis of the disease.
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Affiliation(s)
- Valeri D Goncharuk
- Netherlands Institute for Neuroscience Amsterdam ZO, 1105 BA, The Netherlands ; Russian Cardiology Research Center Moscow, 121552, Russia ; Division of Neurology, Department of Medicine, University of Alberta Edmonton, AB, T6G 2S2, Canada
| | - Ruud M Buijs
- Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de Mexico Mexico City, 04510, Mexico
| | - Jack H Jhamandas
- Division of Neurology, Department of Medicine, University of Alberta Edmonton, AB, T6G 2S2, Canada
| | - Dick F Swaab
- Netherlands Institute for Neuroscience Amsterdam ZO, 1105 BA, The Netherlands
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de Bortoli VC, Yamashita PSDM, Zangrossi H. 5-HT1A and 5-HT2A receptor control of a panic-like defensive response in the rat dorsomedial hypothalamic nucleus. J Psychopharmacol 2013; 27:1116-23. [PMID: 23787365 DOI: 10.1177/0269881113492900] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The dorsomedial nucleus of the hypothalamus (DMH) has long been implicated in the genesis/regulation of escape, a panic-related defensive behavior. In the dorsal periaqueductal gray matter (dPAG), another key panic-associated area, serotonin, through the activation of 5-HT1A and 5-HT2A receptors, exerts an inhibitory role on escape expression. This panicolytic-like effect is facilitated by chronic treatment with clinically effective antipanic drugs such as fluoxetine and imipramine. It is still unclear whether serotonin within the DMH plays a similar regulatory action. The results showed that intra-DMH injection of the 5-HT1A receptor agonist 8-OH-DPAT, the preferential 5-HT2A receptor agonist DOI, but not the 5-HT2C agonist MK-212, inhibited the escape reaction of male Wistar rats evoked by electrical stimulation of the DMH. Local microinjection of the 5-HT1A antagonist WAY-100635 or the preferential 5-HT2A antagonist ketanserin was ineffective. Whereas chronic (21 days) systemic treatment with imipramine potentiated the anti-escape effect of both 8-OH-DPAT and DOI, repeated administration of fluoxetine enhanced the effect of the latter agonist. The results indicate that 5-HT1A and 5-HT2A receptors within the DMH play a phasic inhibitory role upon escape expression, as previously reported in the dPAG. Facilitation of 5-HT-mediated neurotransmission in the DMH may be implicated in the mode of action of antipanic drugs.
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Moreira FA, Gobira PH, Viana TG, Vicente MA, Zangrossi H, Graeff FG. Modeling panic disorder in rodents. Cell Tissue Res 2013; 354:119-25. [DOI: 10.1007/s00441-013-1610-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 03/06/2013] [Indexed: 10/27/2022]
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Biagioni AF, de Freitas RL, da Silva JA, de Oliveira RC, de Oliveira R, Alves VM, Coimbra NC. Serotonergic neural links from the dorsal raphe nucleus modulate defensive behaviours organised by the dorsomedial hypothalamus and the elaboration of fear-induced antinociception via locus coeruleus pathways. Neuropharmacology 2012. [PMID: 23201351 DOI: 10.1016/j.neuropharm.2012.10.024] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Decrease of γ-aminobutyric acid (GABA)-mediated neurotransmission in the dorsomedial hypothalamus (DMH) evokes instinctive fear-like responses. The aim of the present study was to investigate the involvement of the serotonin (5-HT)- and norepinephrine-mediated pathways of the endogenous pain inhibitory system, including the dorsal raphe nucleus (DRN) and the locus coeruleus (LC), in the defensive responses and antinociceptive processes triggered by the blockade of GABAergic receptors in the DMH. The intra-hypothalamic microinjection of the GABA(A) receptor antagonist bicuculline (40 ng/200 nL) elicited elaborate defensive behaviours interspersed with exploratory responses. This escape behaviour was followed by significantly increased pain thresholds, a phenomenon known as fear-induced antinociception. Furthermore, at 5 and 14 days after DRN serotonin-containing neurons were damaged using the selective neurotoxin 5,7-dihydroxytryptamine (5,7-DHT), the frequency and duration of alertness and escape behaviour evoked by the GABA(A) receptor blockade in the DMH decreased, as well as fear-induced antinociception. Pre-treatment with the non-selective 5-HT receptor antagonist methysergide, the 5-HT(2A/2C) receptor antagonist ketanserin and the 5-HT(2A) receptor selective antagonist R-96544 in the LC also decreased fear-induced antinociception, without significant changes in the expression of defensive behaviours. These data suggest that the serotonergic neurons of the DRN are directly involved in the organisation of defensive responses as well as in the elaboration of the innate fear-induced antinociception. However, serotonin-mediated inputs from the NDR to the LC modulate only fear-induced antinociception and not the defensive behaviours evoked by GABA(A) receptor blockade in the DMH.
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Affiliation(s)
- Audrey Francisco Biagioni
- Laboratório de Neuroanatomia & Neuropsicobiologia, Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Av. dos Bandeirantes 3900, Ribeirão Preto, SP 14049-900, Brazil
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