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Glangetas C, Guillaumin A, Ladevèze E, Braine A, Gauthier M, Bonamy L, Doudnikoff E, Dhellemmes T, Landry M, Bézard E, Caille S, Taupignon A, Baufreton J, Georges F. A population of Insula neurons encodes for social preference only after acute social isolation in mice. Nat Commun 2024; 15:7142. [PMID: 39164260 PMCID: PMC11336167 DOI: 10.1038/s41467-024-51389-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 08/05/2024] [Indexed: 08/22/2024] Open
Abstract
The Insula functions as a multisensory relay involved in socio-emotional processing with projections to sensory, cognitive, emotional, and motivational regions. Notably, the interhemispheric projection from the Insula to the contralateral Insula is a robust yet underexplored connection. Using viral-based tracing neuroanatomy, ex vivo and in vivo electrophysiology, in vivo fiber photometry along with targeted circuit manipulation, we elucidated the nature and role of InsulaIns communication in social and anxiety processing in mice. In this study, we 1) characterized the anatomical and molecular profile of the InsulaIns neurons, 2) demonstrated that stimulation of this neuronal subpopulation induces excitation in the Insula interhemispheric circuit, 3) revealed that InsulaIns neurons are essential for social discrimination after 24 h of isolation in male mice. In conclusion, our findings highlight InsulaIns neurons as a distinct class of neurons within the insula and offer new insights into the neuronal mechanisms underlying social behavior.
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Affiliation(s)
| | | | | | | | - Manon Gauthier
- Univ. Bordeaux, CNRS, IMN, Bordeaux, France
- Univ. Poitiers, Inserm, LNEC, Poitiers, France
| | - Léa Bonamy
- Univ. Bordeaux, CNRS, IMN, Bordeaux, France
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2
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Iezzi D, Cáceres-Rodríguez A, Silva JP, Chavis P, Manzoni OJ. Gestational CBD shapes insular cortex in adulthood. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.26.597499. [PMID: 38979171 PMCID: PMC11230400 DOI: 10.1101/2024.06.26.597499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Many expectant mothers use CBD to alleviate symptoms like nausea, insomnia, anxiety, and pain, despite limited research on its long-term effects. However, CBD passes through the placenta, affecting fetal development and impacting offspring behavior. We investigated how prenatal CBD exposure affects the insular cortex (IC), a brain region involved in emotional processing and linked to psychiatric disorders. The IC is divided into two territories: the anterior IC (aIC), processing socioemotional signals, and the posterior IC (pIC), specializing in interoception and pain perception. Pyramidal neurons in the aIC and pIC exhibit sex-specific electrophysiological properties, including variations in excitability and the excitatory/inhibitory balance. We investigated IC's cellular properties and synaptic strength in the offspring of both sexes from mice exposed to low-dose CBD during gestation (E5-E18; 3mg/kg, s.c.). Prenatal CBD exposure induced sex-specific and territory-specific changes in the active and passive membrane properties, as well as intrinsic excitability and the excitatory/inhibitory balance, in the IC of adult offspring. The data indicate that in-utero CBD exposure disrupts IC neuronal development, leading to a loss of functional distinction between IC territories. These findings may have significant implications for understanding the effects of CBD on emotional behaviors in offspring.
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3
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Aboharb F, Davoudian PA, Shao LX, Liao C, Rzepka GN, Wojtasiewicz C, Dibbs M, Rondeau J, Sherwood AM, Kaye AP, Kwan AC. Classification of psychedelic drugs based on brain-wide imaging of cellular c-Fos expression. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.23.590306. [PMID: 38826215 PMCID: PMC11142187 DOI: 10.1101/2024.05.23.590306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Psilocybin, ketamine, and MDMA are psychoactive compounds that exert behavioral effects with distinguishable but also overlapping features. The growing interest in using these compounds as therapeutics necessitates preclinical assays that can accurately screen psychedelics and related analogs. We posit that a promising approach may be to measure drug action on markers of neural plasticity in native brain tissues. We therefore developed a pipeline for drug classification using light sheet fluorescence microscopy of immediate early gene expression at cellular resolution followed by machine learning. We tested male and female mice with a panel of drugs, including psilocybin, ketamine, 5-MeO-DMT, 6-fluoro-DET, MDMA, acute fluoxetine, chronic fluoxetine, and vehicle. In one-versus-rest classification, the exact drug was identified with 67% accuracy, significantly above the chance level of 12.5%. In one-versus-one classifications, psilocybin was discriminated from 5-MeO-DMT, ketamine, MDMA, or acute fluoxetine with >95% accuracy. We used Shapley additive explanation to pinpoint the brain regions driving the machine learning predictions. Our results support a novel approach for screening psychoactive drugs with psychedelic properties.
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Affiliation(s)
- Farid Aboharb
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Weill Cornell Medicine/Rockefeller/Sloan-Kettering Tri-Institutional MD/PhD Program, New York, NY, 10021, USA
| | - Pasha A. Davoudian
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Interdepartmental Neuroscience Program, Yale University School of Medicine, New Haven, CT, 06511, USA
- Medical Scientist Training Program, Yale University School of Medicine, New Haven, CT, 06511, USA
| | - Ling-Xiao Shao
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06511, USA
| | - Clara Liao
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Interdepartmental Neuroscience Program, Yale University School of Medicine, New Haven, CT, 06511, USA
| | - Gillian N. Rzepka
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
| | | | - Mark Dibbs
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06511, USA
| | - Jocelyne Rondeau
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06511, USA
| | | | - Alfred P. Kaye
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06511, USA
- Clinical Neurosciences Division, VA National Center for PTSD, West Haven, CT, 06477, USA
- Wu Tsai Institute, Yale University, New Haven, CT, 06511, USA
| | - Alex C. Kwan
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Department of Psychiatry, Weill Cornell Medicine, New York, NY, 10065, USA
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4
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Islam J, Rahman MT, Kc E, Park YS. Deciphering the functional role of insular cortex stratification in trigeminal neuropathic pain. J Headache Pain 2024; 25:76. [PMID: 38730344 PMCID: PMC11084050 DOI: 10.1186/s10194-024-01784-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/06/2024] [Indexed: 05/12/2024] Open
Abstract
Trigeminal neuropathic pain (TNP) is a major concern in both dentistry and medicine. The progression from normal to chronic TNP through activation of the insular cortex (IC) is thought to involve several neuroplastic changes in multiple brain regions, resulting in distorted pain perception and associated comorbidities. While the functional changes in the insula are recognized contributors to TNP, the intricate mechanisms underlying the involvement of the insula in TNP processing remain subjects of ongoing investigation. Here, we have overviewed the most recent advancements regarding the functional role of IC in regulating TNP alongside insights into the IC's connectivity with other brain regions implicated in trigeminal pain pathways. In addition, the review examines diverse modulation strategies that target the different parts of the IC, thereby suggesting novel diagnostic and therapeutic management of chronic TNP in the future.
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Affiliation(s)
- Jaisan Islam
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Md Taufiqur Rahman
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Elina Kc
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Korea
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Young Seok Park
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Korea.
- Department of Neurosurgery, Chungbuk National University Hospital, Cheongju, Korea.
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5
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Zhao Z, Covelo A, Couderc Y, Mitra A, Varilh M, Wu Y, Jacky D, Fayad R, Cannich A, Bellocchio L, Marsicano G, Beyeler A. Cannabinoids regulate an insula circuit controlling water intake. Curr Biol 2024; 34:1918-1929.e5. [PMID: 38636514 DOI: 10.1016/j.cub.2024.03.053] [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: 03/11/2022] [Revised: 02/29/2024] [Accepted: 03/25/2024] [Indexed: 04/20/2024]
Abstract
The insular cortex, or insula, is a large brain region involved in the detection of thirst and the regulation of water intake. However, our understanding of the topographical, circuit, and molecular mechanisms for controlling water intake within the insula remains parcellated. We found that type-1 cannabinoid (CB1) receptors in the insular cortex cells participate in the regulation of water intake and deconstructed the circuit mechanisms of this control. Topographically, we revealed that the activity of excitatory neurons in both the anterior insula (aIC) and posterior insula (pIC) increases in response to water intake, yet only the specific removal of CB1 receptors in the pIC decreases water intake. Interestingly, we found that CB1 receptors are highly expressed in insula projections to the basolateral amygdala (BLA), while undetectable in the neighboring central part of the amygdala. Thus, we recorded the neurons of the aIC or pIC targeting the BLA (aIC-BLA and pIC-BLA) and found that they decreased their activity upon water drinking. Additionally, chemogenetic activation of pIC-BLA projection neurons decreased water intake. Finally, we uncovered CB1-dependent short-term synaptic plasticity (depolarization-induced suppression of excitation [DSE]) selectively in pIC-BLA, compared with aIC-BLA synapses. Altogether, our results support a model where CB1 receptor signaling promotes water intake by inhibiting the pIC-BLA pathway, thereby contributing to the fine top-down control of thirst responses.
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Affiliation(s)
- Zhe Zhao
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France; Max Planck Florida Institute for Neuroscience, 1 Max Planck Way, Jupiter, FL 33458, USA
| | - Ana Covelo
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Yoni Couderc
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Arojit Mitra
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Marjorie Varilh
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Yifan Wu
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Débora Jacky
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Rim Fayad
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Astrid Cannich
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Luigi Bellocchio
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - Giovanni Marsicano
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France.
| | - Anna Beyeler
- INSERM 1215, Neurocentre Magendie, University of Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France.
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Wang H, Sun Y, Wang W, Wang X, Zhang J, Bai Y, Wang K, Luan L, Yan J, Qin L. Mapping the 5-HTergic neural pathways in perimenopausal mice and elucidating the role of oestrogen receptors in 5-HT neurotransmission. Heliyon 2024; 10:e27976. [PMID: 38510058 PMCID: PMC10951590 DOI: 10.1016/j.heliyon.2024.e27976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 03/07/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024] Open
Abstract
Perimenopausal syndrome (PMS) encompasses neuropsychiatric symptoms, such as hot flashes and depression, which are associated with alterations in the 5-HTergic neural pathway in the brain. However, the specific changes and mechanisms underlying these alterations remain unclear. In this study, ovariectomized mice were used to successfully establish a perimenopause model, and the changes in the expression of 5-HT and its receptors (5-HT1AR and 5-HT2AR) across 72 brain regions in these ovariectomized mice were assessed by immunohistochemistry. Although both 5-HT and 5-HT1AR were widely expressed throughout the brain, only a limited number of regions expressed 5-HT2AR. Notably, decreased expression of 5-HT was observed across almost all brain regions in the ovariectomy (OVX) group compared with the Sham group. Altered expression of both receptors was found within areas related to hot flashes (the preoptic area) or mood disorders (the amygdala). Additionally, reduced oestrogen receptor (ER)α/β expression was detected in cells in the raphe nucleus (RN), an area known to regulate body temperature. Results showed that ERα/β positively regulate the transcriptional activity of the enzymes TPH2/MAOA, which are involved in serotonin metabolism during perimenopause. This study revealed the changes in 5-HT neuropathways (5-HT, 5-HT1AR and 5-HT2AR) in perimenopausal mice, mainly in brain regions related to regulation of the body temperature, mood, sleep and memory. This study clarified that the expression of oestrogen receptor decreased in perimenopause, which regulated the transcription levels of TPH2 and MAOA, and ultimately led to the reduction of 5-HT content, providing a new target for clinical diagnosis and treatment of perimenopausal diseases.
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Affiliation(s)
- Hanfei Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Yanrong Sun
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Wenjuan Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Xiangqiu Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Jinglin Zhang
- Department of Dental Medicine, School of Dental Medicine, Yuncheng Vocational Nursing College, Yuncheng, 044000, China
| | - Yu Bai
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Ke Wang
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Liju Luan
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Junhao Yan
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Lihua Qin
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
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Pagni BA, Petridis PD, Podrebarac SK, Grinband J, Claus ED, Bogenschutz MP. Psilocybin-induced changes in neural reactivity to alcohol and emotional cues in patients with alcohol use disorder: an fMRI pilot study. Sci Rep 2024; 14:3159. [PMID: 38326432 PMCID: PMC10850478 DOI: 10.1038/s41598-024-52967-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/25/2024] [Indexed: 02/09/2024] Open
Abstract
This pilot study investigated psilocybin-induced changes in neural reactivity to alcohol and emotional cues in patients with alcohol use disorder (AUD). Participants were recruited from a phase II, randomized, double-blind, placebo-controlled clinical trial investigating psilocybin-assisted therapy (PAT) for the treatment of AUD (NCT02061293). Eleven adult patients completed task-based blood oxygen dependent functional magnetic resonance imaging (fMRI) approximately 3 days before and 2 days after receiving 25 mg of psilocybin (n = 5) or 50 mg of diphenhydramine (n = 6). Visual alcohol and emotionally valanced (positive, negative, or neutral) stimuli were presented in block design. Across both alcohol and emotional cues, psilocybin increased activity in the medial and lateral prefrontal cortex (PFC) and left caudate, and decreased activity in the insular, motor, temporal, parietal, and occipital cortices, and cerebellum. Unique to negative cues, psilocybin increased supramarginal gyrus activity; unique to positive cues, psilocybin increased right hippocampus activity and decreased left hippocampus activity. Greater PFC and caudate engagement and concomitant insula, motor, and cerebellar disengagement suggests enhanced goal-directed action, improved emotional regulation, and diminished craving. The robust changes in brain activity observed in this pilot study warrant larger neuroimaging studies to elucidate neural mechanisms of PAT.Trial registration: NCT02061293.
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Affiliation(s)
- B A Pagni
- Department of Psychiatry, NYU Langone Center for Psychedelic Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - P D Petridis
- Department of Psychiatry, NYU Langone Center for Psychedelic Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - S K Podrebarac
- Department of Psychiatry, NYU Langone Center for Psychedelic Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - J Grinband
- Departments of Psychiatry and Radiology, Columbia University Vagelos College of Physicians & Surgeons, New York, NY, USA
| | - E D Claus
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, USA
| | - M P Bogenschutz
- Department of Psychiatry, NYU Langone Center for Psychedelic Medicine, NYU Grossman School of Medicine, New York, NY, USA.
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8
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Islam J, Kc E, Kim S, Chung MY, Park KS, Kim HK, Park YS. Optogenetic Inhibition of Glutamatergic Neurons in the Dysgranular Posterior Insular Cortex Modulates Trigeminal Neuropathic Pain in CCI-ION Rat. Neuromolecular Med 2023; 25:516-532. [PMID: 37700212 DOI: 10.1007/s12017-023-08752-3] [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: 06/02/2023] [Accepted: 08/15/2023] [Indexed: 09/14/2023]
Abstract
In individuals with chronic neuropathic pain, the posterior insular cortex (PIC) has been found to exhibit increased glutamatergic activity, and the dysgranular portion of PIC (DPIC) has been investigated as a novel cortical target for pain modulation. However, the role of DPIC glutamatergic neurons (DPICg) in trigeminal neuropathic pain (TNP) remains unclear. Here, we examined the outcomes of DPICg inhibition in a rat model of chronic constriction injury of the infraorbital nerve (CCI-ION). Animals were randomly divided into TNP, sham, and control groups. TNP animals underwent CCI-ION surgery. Either optogenetic or null viruses were delivered to the contralateral DPICg of TNP and sham animals. In vivo single-unit extracellular recordings from the ipsilateral spinal trigeminal nucleus caudalis (TNC) and contralateral ventral posteromedial (VPM) thalamus were obtained under both "ON" and "OFF" stimulation states. Behavioral responses during the stimulation-OFF and stimulation-ON phases were examined. Expression of c-Fos, pERK, and CREB immunopositive neurons were also observed. Optogenetic inhibition of contralateral DPICg decreased the neural firing rate in both TNC and VPM thalamus, the expression of sensory-responsive cell bodies, and transcriptional factors in the DPIC of TNP group. Improvements in hyperalgesia, allodynia, and anxiety-like responses in TNP animals were also observed during stimulation-ON condition. In fine, descending pain processing is influenced by neuroanatomical projections from the DPIC to the pain matrix areas, and DPICg could play a necessary role in this neural circuitry. Therefore, the antinociceptive effect of DPICg inhibition in this study may provide evidence for the therapeutic potential of DPICg in TNP.
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Affiliation(s)
- Jaisan Islam
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Chungbuk, Korea
| | - Elina Kc
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Chungbuk, Korea
| | - Soochong Kim
- Department of Veterinary Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Moon Young Chung
- Department of Neurosurgery, Soonchunhyang University, Bucheon, Korea
| | - Ki Seok Park
- Department of Neurosurgery, Eulji University Hospital, Daejeon, Korea
| | - Hyong Kyu Kim
- Department of Medicine and Microbiology, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Young Seok Park
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Chungbuk, Korea.
- Department of Neurosurgery, Chungbuk National University Hospital, 776, 1 Sunhwanro, Seowon-gu, Cheongju, 28644, Korea.
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9
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Ng AJ, Vincelette LK, Li J, Brady BH, Christianson JP. Serotonin modulates social responses to stressed conspecifics via insular 5-HT 2C receptors in rat. Neuropharmacology 2023; 236:109598. [PMID: 37230216 PMCID: PMC10330840 DOI: 10.1016/j.neuropharm.2023.109598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/04/2023] [Accepted: 05/14/2023] [Indexed: 05/27/2023]
Abstract
Behaviors associated with distress can affect the anxiety-like states in observers and this social transfer of affect shapes social interactions among stressed individuals. We hypothesized that social reactions to stressed individuals engage the serotonergic dorsal raphe nucleus (DRN) which promotes anxiety-like behavior via postsynaptic action of serotonin at serotonin 2C (5-HT2C) receptors in the forebrain. First, we inhibited the DRN by administering an agonist (8-OH-DPAT, 1 μg in 0.5 μL) for the inhibitory 5-HT1A autoreceptors which silences 5-HT neuronal activity. 8-OH-DPAT prevented the approach and avoidance, respectively, of stressed juvenile (PN30) or stressed adult (PN60) conspecifics in the social affective preference (SAP) test in rats. Similarly, systemic administration of a 5-HT2C receptor antagonist (SB242084, 1 mg/kg, i.p.) prevented approach and avoidance of stressed juvenile or adult conspecifics, respectively. Seeking a locus of 5-HT2C action, we considered the posterior insular cortex which is critical for social affective behaviors and rich with 5-HT2C receptors. SB242084 administered directly into the insular cortex (5 μM in 0.5 μL bilaterally) interfered with the typical approach and avoidance behaviors observed in the SAP test. Finally, using fluorescent in situ hybridization, we found that 5-HT2C receptor mRNA (htr2c) is primarily colocalized with mRNA associated with excitatory glutamatergic neurons (vglut1) in the posterior insula. Importantly, the results of these treatments were the same in male and female rats. These data suggest that interactions with stressed others require the serotonergic DRN and that serotonin modulates social affective decision-making via action at insular 5-HT2C receptors.
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Affiliation(s)
- Alexandra J Ng
- Department of Psychology & Neuroscience, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA, 02467, USA.
| | - Lindsay K Vincelette
- Department of Psychology & Neuroscience, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA, 02467, USA
| | - Jiayi Li
- Department of Psychology & Neuroscience, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA, 02467, USA
| | - Bridget H Brady
- Department of Psychology & Neuroscience, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA, 02467, USA
| | - John P Christianson
- Department of Psychology & Neuroscience, Boston College, 140 Commonwealth Ave, Chestnut Hill, MA, 02467, USA
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10
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Nicolas C, Ju A, Wu Y, Eldirdiri H, Delcasso S, Couderc Y, Fornari C, Mitra A, Supiot L, Vérité A, Masson M, Rodriguez-Rozada S, Jacky D, Wiegert JS, Beyeler A. Linking emotional valence and anxiety in a mouse insula-amygdala circuit. Nat Commun 2023; 14:5073. [PMID: 37604802 PMCID: PMC10442438 DOI: 10.1038/s41467-023-40517-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 08/01/2023] [Indexed: 08/23/2023] Open
Abstract
Responses of the insular cortex (IC) and amygdala to stimuli of positive and negative valence are altered in patients with anxiety disorders. However, neural coding of both anxiety and valence by IC neurons remains unknown. Using fiber photometry recordings in mice, we uncover a selective increase of activity in IC projection neurons of the anterior (aIC), but not posterior (pIC) section, when animals are exploring anxiogenic spaces, and this activity is proportional to the level of anxiety of mice. Neurons in aIC also respond to stimuli of positive and negative valence, and the strength of response to strong negative stimuli is proportional to mice levels of anxiety. Using ex vivo electrophysiology, we characterized the IC connection to the basolateral amygdala (BLA), and employed projection-specific optogenetics to reveal anxiogenic properties of aIC-BLA neurons. Finally, we identified that aIC-BLA neurons are activated in anxiogenic spaces, as well as in response to aversive stimuli, and that both activities are positively correlated. Altogether, we identified a common neurobiological substrate linking negative valence with anxiety-related information and behaviors, which provides a starting point to understand how alterations of these neural populations contribute to psychiatric disorders.
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Affiliation(s)
- C Nicolas
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - A Ju
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - Y Wu
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - H Eldirdiri
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - S Delcasso
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - Y Couderc
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - C Fornari
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - A Mitra
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - L Supiot
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - A Vérité
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - M Masson
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - S Rodriguez-Rozada
- Research Group Synaptic Wiring and Information Processing, Center for Molecular Neurobiology Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - D Jacky
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - J S Wiegert
- Research Group Synaptic Wiring and Information Processing, Center for Molecular Neurobiology Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - A Beyeler
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France.
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11
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Benhadda A, Delhaye C, Moutkine I, Marques X, Russeau M, Le Magueresse C, Roumier A, Lévi S, Maroteaux L. 5-HT 1A and 5-HT 2B receptor interaction and co-clustering regulate serotonergic neuron excitability. iScience 2023; 26:107401. [PMID: 37575185 PMCID: PMC10415917 DOI: 10.1016/j.isci.2023.107401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/26/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023] Open
Abstract
Many psychiatric diseases have been associated with serotonin (5-HT) neuron dysfunction. The firing of 5-HT neurons is known to be under 5-HT1A receptor-mediated autoinhibition, but functional consequences of coexpressed receptors are unknown. Using co-immunoprecipitation, BRET, confocal, and super-resolution microscopy in hippocampal and 5-HT neurons, we present evidence that 5-HT1A and 5-HT2B receptors can form heterodimers and co-cluster at the plasma membrane of dendrites. Selective agonist stimulation of coexpressed 5-HT1A and 5-HT2B receptors prevents 5-HT1A receptor internalization and increases 5-HT2B receptor membrane clustering. Current clamp recordings of 5-HT neurons revealed that 5-HT1A receptor stimulation of acute slices from mice lacking 5-HT2B receptors in 5-HT neurons increased their firing activity trough Ca2+-activated potassium channel inhibition compared to 5-HT neurons from control mice. This work supports the hypothesis that the relative expression of 5-HT1A and 5-HT2B receptors tunes the neuronal excitability of serotonergic neurons through potassium channel regulation.
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Affiliation(s)
- Amina Benhadda
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Célia Delhaye
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Imane Moutkine
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Xavier Marques
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Marion Russeau
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Corentin Le Magueresse
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Anne Roumier
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Sabine Lévi
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
| | - Luc Maroteaux
- Institut du Fer à Moulin, U1270 INSERM, Sorbonne Université, 17 rue du Fer à Moulin, 75005 Paris, France
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12
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Ng AJ, Vincelette LK, Li J, Brady BH, Christianson JP. Serotonin modulates social responses to stressed conspecifics via insular 5-HT 2C receptors in rat. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.18.529065. [PMID: 36824837 PMCID: PMC9949146 DOI: 10.1101/2023.02.18.529065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Social interaction allows for the transfer of affective states among individuals, and the behaviors and expressions associated with pain and fear can evoke anxiety-like states in observers which shape subsequent social interactions. We hypothesized that social reactions to stressed individuals engage the serotonergic dorsal raphe nucleus (DRN) which promotes anxiety-like behavior via postsynaptic action of serotonin at serotonin 2C (5-HT 2C ) receptors in the forebrain. First, we inhibited the DRN by administering an agonist (8-OH-DPAT, 1µg in 0.5µL) for the inhibitory 5-HT 1A autoreceptors which silences 5-HT neuronal activity via G-protein coupled inward rectifying potassium channels. 8-OH-DPAT prevented the approach and avoidance, respectively, of stressed juvenile (PN30) or stressed adult (PN50) conspecifics in the social affective preference (SAP) test in rats. Similarly, systemic administration of a 5-HT 2C receptor antagonist (SB242084, 1mg/kg, i.p.) prevented approach and avoidance of stressed juvenile or adult conspecifics, respectively. Seeking a locus of 5-HT 2C action, we considered the posterior insular cortex which is critical for social affective behaviors and rich with 5-HT 2C receptors. SB242084 administered directly into the insular cortex (5µM bilaterally in 0.5µL ) interfered with the typical approach and avoidance behaviors observed in the SAP test. Finally, using fluorescent in situ hybridization, we found that 5-HT 2C receptor mRNA ( htr2c) is primarily colocalized with mRNA associated with excitatory glutamatergic neurons ( vglut1 ) in the posterior insula. Importantly, the results of these treatments were the same in male and female rats. These data suggest that interactions with stressed others require the serotonergic DRN and that serotonin modulates social affective decision-making via action at insular 5-HT 2C receptors.
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13
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Stoliker D, Novelli L, Vollenweider FX, Egan GF, Preller KH, Razi A. Effective Connectivity of Functionally Anticorrelated Networks Under Lysergic Acid Diethylamide. Biol Psychiatry 2023; 93:224-232. [PMID: 36270812 DOI: 10.1016/j.biopsych.2022.07.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND Classic psychedelic-induced ego dissolution involves a shift in the sense of self and a blurring of the boundary between the self and the world. A similar phenomenon is identified in psychopathology and is associated with the balance of anticorrelated activity between the default mode network, which directs attention inward, and the salience network, which recruits the dorsal attention network to direct attention outward. METHODS To test whether changes in anticorrelated networks underlie the peak effects of lysergic acid diethylamide (LSD), we applied dynamic causal modeling to infer effective connectivity of resting-state functional magnetic resonance imaging scans from a study of 25 healthy adults who were administered 100 μg of LSD or placebo. RESULTS We found that inhibitory effective connectivity from the salience network to the default mode network became excitatory, and inhibitory effective connectivity from the default mode network to the dorsal attention network decreased under the peak effect of LSD. CONCLUSIONS The effective connectivity changes we identified may reflect diminution of the functional anticorrelation between resting-state networks that may be a key neural mechanism of LSD and underlie ego dissolution. Our findings suggest that changes to the sense of self and subject-object boundaries across different states of consciousness may depend upon the organized balance of effective connectivity of resting-state networks.
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Affiliation(s)
- Devon Stoliker
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia.
| | - Leonardo Novelli
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
| | - Franz X Vollenweider
- Department of Psychiatry, Psychotherapy & Psychosomatics, Psychiatric University Hospital Zurich, Zurich, Switzerland
| | - Gary F Egan
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia; Monash Biomedical Imaging, Monash University, Clayton, Victoria, Australia
| | - Katrin H Preller
- Department of Psychiatry, Psychotherapy & Psychosomatics, Psychiatric University Hospital Zurich, Zurich, Switzerland
| | - Adeel Razi
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia; Monash Biomedical Imaging, Monash University, Clayton, Victoria, Australia; Wellcome Centre for Human Neuroimaging, University College London, London, United Kingdom; CIFAR Azrieli Global Scholars Program, CIFAR, Toronto, Ontario, Canada
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14
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Hao S, Shi W, Liu W, Chen QY, Zhuo M. Multiple modulatory roles of serotonin in chronic pain and injury-related anxiety. Front Synaptic Neurosci 2023; 15:1122381. [PMID: 37143481 PMCID: PMC10151796 DOI: 10.3389/fnsyn.2023.1122381] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 04/03/2023] [Indexed: 05/06/2023] Open
Abstract
Chronic pain is long-lasting pain that often persists during chronic diseases or after recovery from disease or injury. It often causes serious side effects, such as insomnia, anxiety, or depression which negatively impacts the patient's overall quality of life. Serotonin (5-HT) in the central nervous system (CNS) has been recognized as an important neurotransmitter and neuromodulator which regulates various physiological functions, such as pain sensation, cognition, and emotions-especially anxiety and depression. Its widespread and diverse receptors underlie the functional complexity of 5-HT in the CNS. Recent studies found that both chronic pain and anxiety are associated with synaptic plasticity in the anterior cingulate cortex (ACC), the insular cortex (IC), and the spinal cord. 5-HT exerts multiple modulations of synaptic transmission and plasticity in the ACC and the spinal cord, including activation, inhibition, and biphasic actions. In this review, we will discuss the multiple actions of the 5-HT system in both chronic pain and injury-related anxiety, and the synaptic mechanisms behind them. It is likely that the specific 5-HT receptors would be new promising therapeutic targets for the effective treatment of chronic pain and injury-related anxiety in the future.
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Affiliation(s)
- Shun Hao
- Department of Pharmacology, School of Pharmacy, Qingdao University, Qingdao, Shandong, China
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Wenzhou, Zhejiang, China
- International Institute of Brain Research, Forevercheer Medicine Pharmac Inc., Qingdao, Shandong, China
| | - Wantong Shi
- Center for Neuron and Disease, Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Weiqi Liu
- Center for Neuron and Disease, Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Qi-Yu Chen
- International Institute of Brain Research, Forevercheer Medicine Pharmac Inc., Qingdao, Shandong, China
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Min Zhuo
- Department of Pharmacology, School of Pharmacy, Qingdao University, Qingdao, Shandong, China
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Wenzhou, Zhejiang, China
- International Institute of Brain Research, Forevercheer Medicine Pharmac Inc., Qingdao, Shandong, China
- Center for Neuron and Disease, Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- *Correspondence: Min Zhuo,
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15
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Kim SH, An K, Namkung H, Saito A, Rannals MD, Moore JR, Mihaljevic M, Saha S, Oh S, Kondo MA, Ishizuka K, Yang K, Maher BJ, Niwa M, Sawa A. Anterior Insula-Associated Social Novelty Recognition: Pivotal Roles of a Local Retinoic Acid Cascade and Oxytocin Signaling. Am J Psychiatry 2022; 180:305-317. [PMID: 36128683 DOI: 10.1176/appi.ajp.21010053] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Deficits in social cognition consistently underlie functional disabilities in a wide range of psychiatric disorders. Neuroimaging studies have suggested that the anterior insula is a "common core" brain region that is impaired across neurological and psychiatric disorders, which include social cognition deficits. Nevertheless, neurobiological mechanisms of the anterior insula for social cognition remain elusive. This study aims to fill this knowledge gap. METHODS To determine the role of the anterior insula in social cognition, the authors manipulated expression of Cyp26B1, an anterior insula-enriched molecule that is crucial for retinoic acid degradation and is involved in the pathology of neuropsychiatric conditions. Social cognition was mainly assayed using the three-chamber social interaction test. Multimodal analyses were conducted at the molecular, cellular, circuitry, and behavioral levels. RESULTS At the molecular and cellular level, anterior insula-mediated social novelty recognition is maintained by proper activity of the layer 5 pyramidal neurons, for which retinoic acid-mediated gene transcription can play a role. The authors also demonstrate that oxytocin influences the anterior insula-mediated social novelty recognition, although not by direct projection of oxytocin neurons, nor by direct diffusion of oxytocin to the anterior insula, which contrasts with the modes of oxytocin regulation onto the posterior insula. Instead, oxytocin affects oxytocin receptor-expressing neurons in the dorsal raphe nucleus, where serotonergic neurons are projected to the anterior insula. Furthermore, the authors show that serotonin 5-HT2C receptor expressed in the anterior insula influences social novelty recognition. CONCLUSIONS The anterior insula plays a pivotal role in social novelty recognition that is partly regulated by a local retinoic acid cascade but also remotely regulated by oxytocin via a long-range circuit mechanism.
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Affiliation(s)
- Sun-Hong Kim
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Kyongman An
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Ho Namkung
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Atsushi Saito
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Matthew D Rannals
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - James R Moore
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Marina Mihaljevic
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Sneha Saha
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Seyun Oh
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Mari A Kondo
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Koko Ishizuka
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Kun Yang
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Brady J Maher
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Minae Niwa
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
| | - Akira Sawa
- Departments of Psychiatry (Kim, An, Namkung, Saito, Moore, Mihaljevic, Saha, Oh, Kondo, Ishizuka, Yang, Maher, Niwa, Sawa), Neuroscience (Maher, Sawa), Biomedical Engineering (Namkung, Sawa), Pharmacology (Sawa), and Genetic Medicine (Sawa), Johns Hopkins University School of Medicine, Baltimore; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore (Sawa); Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore (Rannals, Oh, Maher); Neuroscience Research Australia, Sydney (Kondo); Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham School of Medicine, Birmingham (Niwa)
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Fan D, He C, Liu X, Zang F, Zhu Y, Zhang H, Zhang H, Zhang Z, Xie C. Altered resting-state cerebral blood flow and functional connectivity mediate suicidal ideation in major depressive disorder. J Cereb Blood Flow Metab 2022; 42:1603-1615. [PMID: 35350926 PMCID: PMC9441724 DOI: 10.1177/0271678x221090998] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The relationships among cerebral blood flow (CBF), functional connectivity (FC) and suicidal ideation (SI) in major depressive disorder (MDD) patients have remained elusive. In this study, we characterized the changes in CBF and FC among 175 individuals including 47 MDD without SI (MDDNSI), 59 MDD with SI (MDDSI), and 69 healthy control (HC) who underwent arterial spin labeling and resting-state functional MRI scans. Then the voxel-wise CBF, seed-based FC and partial correlation analyses were measured. Mediation analysis was carried out to reveal the effects of FC on the association between CBF and behavioral performances in both subgroups. Results showed that CBF was higher in MDDSI patients in the bilateral precuneus compared to HC and MDDNSI participants. MDDSI patients exhibited enhanced FC in the prefrontal-limbic system and decreased FC in the sensorimotor cortex (SMC) relative to MDDNSI patients. CBF and FC were significantly correlated with clinical variables. More importantly, exploratory mediation analyses identified that abnormal FC can mediate the association between regional CBF and behavioral performances. These results highlight the potential role of precuneus gyrus, prefrontal-limbic system as well as SMC in the process of suicide and provide new insights into the neural mechanism underlying suicide in MDD patients.
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Affiliation(s)
- Dandan Fan
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Cancan He
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Xinyi Liu
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Feifei Zang
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Yao Zhu
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Haisan Zhang
- Xinxiang Key Laboratory of Multimodal Brain Imaging, Henan Provincial Mental Hospital, Xinxiang Medical University, Xinxiang, Henan, China.,Department of Psychiatry, Henan Provincial Mental Hospital, Xinxiang Medical University, Xinxiang, Henan, China
| | - Hongxing Zhang
- Xinxiang Key Laboratory of Multimodal Brain Imaging, Henan Provincial Mental Hospital, Xinxiang Medical University, Xinxiang, Henan, China.,Department of Psychiatry, Henan Provincial Mental Hospital, Xinxiang Medical University, Xinxiang, Henan, China.,Psychology School of Xinxiang Medical University, Xinxiang, Henan, China
| | - Zhijun Zhang
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China.,Neuropsychiatric Institute, Affiliated ZhongDa Hospital, Southeast University, Nanjing, Jiangsu, China.,The Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, Jiangsu, China
| | - Chunming Xie
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China.,Neuropsychiatric Institute, Affiliated ZhongDa Hospital, Southeast University, Nanjing, Jiangsu, China.,The Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, Jiangsu, China
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17
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Cathala A, Lucas G, López-Terrones E, Revest JM, Artigas F, Spampinato U. Differential expression of serotonin 2B receptors in GABAergic and serotoninergic neurons of the rat and mouse dorsal raphe nucleus. Mol Cell Neurosci 2022; 121:103750. [PMID: 35697176 DOI: 10.1016/j.mcn.2022.103750] [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: 04/04/2022] [Revised: 05/16/2022] [Accepted: 06/06/2022] [Indexed: 11/19/2022] Open
Abstract
The central serotonin2B receptor (5-HT2BR) modulates 5-HT and dopamine (DA) neuronal function in the mammalian brain and has been suggested as a potential target for the treatment of neuropsychiatric disorders involving derangements of these monoamine systems, such as schizophrenia, cocaine abuse and dependence and major depressive disorder. Studies in rats and mice yielded contrasting results on the control of 5-HT/DA networks by 5-HT2BRs, thereby leading to opposite views on the therapeutic potential of 5-HT2BR agents for treating the above disorders. These discrepancies may result from anatomo-functional differences related to a different cellular location of 5-HT2BRs in rat and mouse brain. Using immunohistochemistry, we assessed this hypothesis by examining the expression of 5-HT2BRs in 5-HT and GABAergic neurons of rats and mice within different subregions of the dorsal raphe nucleus (DRN), currently considered as the main site of action of 5-HT2B agents. Likewise, using in vivo microdialysis, we examined their functional relevance in the control of DRN 5-HT outflow, a surrogate index of 5-HT neuronal activity. In the DRN of both species, 5-HT2BRs are expressed in 5-HT cells expressing tryptophan hydroxylase 2 (TPH2), in GABAergic cells expressing glutamic acid decarboxylase 67 (GAD67), and in cells expressing both markers (GAD67 & TPH2; i.e., GABA-expressing 5-HT neurons). The proportion of 5-HT2BR-positive cells expressing only TPH2 was significantly larger in mouse than in rat DRN, whereas the opposite holds true for the expression in cells expressing GAD67 & TPH2. No major species differences were found in the dorsal and ventral subregions. In contrast, the lateral subregion exhibited large differences, with a predominant expression of 5-HT2BRs in TPH2-positive cells in mice (67.2 vs 19.9 % in rats), associated with a lower expression in GAD67 & TPH2 cells (7.9 % in mice vs 41.5 % in rats). Intra-DRN (0.1 μM) administration of the preferential 5-HT2BR agonist BW 723C86 decreased and increased DRN 5-HT outflow in rats and mice respectively, both effects being prevented by the intra-DRN perfusion of the selective 5-HT2BR antagonist RS 127445 (0.1 μM). Altogether, these results show the existence of anatomical differences in the cellular expression of 5-HT2BRs in the rat and mouse DRN, which translate into an opposite control of 5-HT outflow. Also, they highlight the relevance of the subset of GAD67-positive 5-HT neurons as a key factor responsible for the functional differences between rats and mice in terms of 5-HT neuronal activity modulation.
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Affiliation(s)
- Adeline Cathala
- Inserm U1215, Neurocentre Magendie, Physiopathology and therapeutic approaches of stress-related diseases, Bordeaux F-33000, France; Université de Bordeaux, Bordeaux F-33000, France.
| | - Guillaume Lucas
- Université de Bordeaux, Bordeaux F-33000, France; CNRS UMR 5287, INCIA, P3TN, Bordeaux F-33000, France.
| | - Elena López-Terrones
- Depart. de Neurociències i Terapèutica Experimental, Institut d'Investigacions Biomèdiques de Barcelona, IIBB-CSIC, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.
| | - Jean-Michel Revest
- Inserm U1215, Neurocentre Magendie, Physiopathology and therapeutic approaches of stress-related diseases, Bordeaux F-33000, France; Université de Bordeaux, Bordeaux F-33000, France.
| | - Francesc Artigas
- Depart. de Neurociències i Terapèutica Experimental, Institut d'Investigacions Biomèdiques de Barcelona, IIBB-CSIC, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.
| | - Umberto Spampinato
- Inserm U1215, Neurocentre Magendie, Physiopathology and therapeutic approaches of stress-related diseases, Bordeaux F-33000, France; Université de Bordeaux, Bordeaux F-33000, France.
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18
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Livneh Y, Andermann ML. Cellular activity in insular cortex across seconds to hours: Sensations and predictions of bodily states. Neuron 2021; 109:3576-3593. [PMID: 34582784 PMCID: PMC8602715 DOI: 10.1016/j.neuron.2021.08.036] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/17/2021] [Accepted: 08/26/2021] [Indexed: 02/09/2023]
Abstract
Our wellness relies on continuous interactions between our brain and body: different organs relay their current state to the brain and are regulated, in turn, by descending visceromotor commands from our brain and by actions such as eating, drinking, thermotaxis, and predator escape. Human neuroimaging and theoretical studies suggest a key role for predictive processing by insular cortex in guiding these efforts to maintain bodily homeostasis. Here, we review recent studies recording and manipulating cellular activity in rodent insular cortex at timescales from seconds to hours. We argue that consideration of these findings in the context of predictive processing of future bodily states may reconcile several apparent discrepancies and offer a unifying, heuristic model for guiding future work.
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Affiliation(s)
- Yoav Livneh
- Department of Neurobiology, Weizmann Institute of Science, Rehovot 76100, Israel.
| | - Mark L Andermann
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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19
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Better living through understanding the insula: Why subregions can make all the difference. Neuropharmacology 2021; 198:108765. [PMID: 34461066 DOI: 10.1016/j.neuropharm.2021.108765] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/19/2021] [Accepted: 08/23/2021] [Indexed: 02/07/2023]
Abstract
Insula function is considered critical for many motivated behaviors, with proposed functions ranging from attention, behavioral control, emotional regulation, goal-directed and aversion-resistant responding. Further, the insula is implicated in many neuropsychiatric conditions including substance abuse. More recently, multiple insula subregions have been distinguished based on anatomy, connectivity, and functional contributions. Generally, posterior insula is thought to encode more somatosensory inputs, which integrate with limbic/emotional information in middle insula, that in turn integrate with cognitive processes in anterior insula. Together, these regions provide rapid interoceptive information about the current or predicted situation, facilitating autonomic recruitment and quick, flexible action. Here, we seek to create a robust foundation from which to understand potential subregion differences, and provide direction for future studies. We address subregion differences across humans and rodents, so that the latter's mechanistic interventions can best mesh with clinical relevance of human conditions. We first consider the insula's suggested roles in humans, then compare subregional studies, and finally describe rodent work. One primary goal is to encourage precision in describing insula subregions, since imprecision (e.g. including both posterior and anterior studies when describing insula work) does a disservice to a larger understanding of insula contributions. Additionally, we note that specific task details can greatly impact recruitment of various subregions, requiring care and nuance in design and interpretation of studies. Nonetheless, the central ethological importance of the insula makes continued research to uncover mechanistic, mood, and behavioral contributions of paramount importance and interest. This article is part of the special Issue on 'Neurocircuitry Modulating Drug and Alcohol Abuse'.
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20
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Chen Y, Xu J, Chen Y. Regulation of Neurotransmitters by the Gut Microbiota and Effects on Cognition in Neurological Disorders. Nutrients 2021; 13:nu13062099. [PMID: 34205336 PMCID: PMC8234057 DOI: 10.3390/nu13062099] [Citation(s) in RCA: 245] [Impact Index Per Article: 81.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/14/2021] [Accepted: 06/16/2021] [Indexed: 12/11/2022] Open
Abstract
Emerging evidence indicates that gut microbiota is important in the regulation of brain activity and cognitive functions. Microbes mediate communication among the metabolic, peripheral immune, and central nervous systems via the microbiota–gut–brain axis. However, it is not well understood how the gut microbiome and neurons in the brain mutually interact or how these interactions affect normal brain functioning and cognition. We summarize the mechanisms whereby the gut microbiota regulate the production, transportation, and functioning of neurotransmitters. We also discuss how microbiome dysbiosis affects cognitive function, especially in neurodegenerative diseases such as Alzheimer’s disease and Parkinson’s disease.
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Affiliation(s)
- Yijing Chen
- Chinese Academy of Sciences Key Laboratory of Brain Connectome and Manipulation, Shenzhen Key Laboratory of Translational Research for Brain Diseases, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China; (Y.C.); (J.X.)
| | - Jinying Xu
- Chinese Academy of Sciences Key Laboratory of Brain Connectome and Manipulation, Shenzhen Key Laboratory of Translational Research for Brain Diseases, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China; (Y.C.); (J.X.)
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu Chen
- Chinese Academy of Sciences Key Laboratory of Brain Connectome and Manipulation, Shenzhen Key Laboratory of Translational Research for Brain Diseases, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen–Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China; (Y.C.); (J.X.)
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Guangdong Provincial Key Laboratory of Brain Science, Disease and Drug Development, HKUST Shenzhen Research Institute, Shenzhen–Hong Kong Institute of Brain Science, Shenzhen Fundamental Research Institutions, Shenzhen 518057, China
- Correspondence: ; Tel.: +86-755-26925498
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21
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Petrie GN, Nastase AS, Aukema RJ, Hill MN. Endocannabinoids, cannabinoids and the regulation of anxiety. Neuropharmacology 2021; 195:108626. [PMID: 34116110 DOI: 10.1016/j.neuropharm.2021.108626] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/11/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022]
Abstract
Cannabis has been used for hundreds of years, with its ability to dampen feelings of anxiety often reported as a primary reason for use. Only recently has the specific role cannabinoids play in anxiety been thoroughly investigated. Here we discuss the body of evidence describing how endocannabinoids and exogenous cannabinoids are capable of regulating the generation and termination of anxiety states. Disruption of the endogenous cannabinoid (eCB) system following genetic manipulation, pharmacological intervention or stress exposure reliably leads to the generation of an anxiety state. On the other hand, upregulation of eCB signaling is capable of alleviating anxiety-like behaviors in multiple paradigms. When considering exogenous cannabinoid administration, cannabinoid receptor 1 (CB1) agonists have a biphasic, dose-dependent effect on anxiety such that low doses are anxiolytic while high doses are anxiogenic, a phenomenon that is evident in both rodent models and humans. Translational studies investigating a loss of function mutation in the gene for fatty acid amide hydrolase, the enzyme responsible for metabolizing AEA, have also shown that AEA signaling regulates anxiety in humans. Taken together, evidence reviewed here has outlined a convincing argument for cannabinoids being powerful regulators of both the manifestation and amelioration of anxiety symptoms, and highlights the therapeutic potential of targeting the eCB system for the development of novel classes of anxiolytics. This article is part of the special issue on 'Cannabinoids'.
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Affiliation(s)
- Gavin N Petrie
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Andrei S Nastase
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Robert J Aukema
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Matthew N Hill
- Hotchkiss Brain Institute and the Mathison Centre for Mental Health Education and Research, Departments of Cell Biology and Anatomy & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 1N4, Canada.
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22
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Warlow SM, Berridge KC. Incentive motivation: 'wanting' roles of central amygdala circuitry. Behav Brain Res 2021; 411:113376. [PMID: 34023307 DOI: 10.1016/j.bbr.2021.113376] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 05/16/2021] [Accepted: 05/18/2021] [Indexed: 12/28/2022]
Abstract
The central nucleus of amygdala (CeA) mediates positively-valenced reward motivation as well as negatively-valenced fear. Optogenetic or neurochemical stimulation of CeA circuitry can generate intense incentive motivation to pursue and consume a paired natural food, sex, or addictive drug reward, and even create maladaptive 'wanting what hurts' such as attraction to a shock rod. Evidence indicates CeA stimulations selectively amplify incentive motivation ('wanting') but not hedonic impact ('liking') of the same reward. Further, valence flips can occur for CeA contributions to motivational salience. That is, CeA stimulation can promote either incentive motivation or fearful motivation, even in the same individual, depending on situation. These findings may carry implications for understanding CeA roles in neuropsychiatric disorders involving aberrant motivational salience, ranging from addiction to paranoia and anxiety disorders.
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Affiliation(s)
- Shelley M Warlow
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA.
| | - Kent C Berridge
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
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23
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Beyeler A, Ju A, Chagraoui A, Cuvelle L, Teixeira M, Di Giovanni G, De Deurwaerdère P. Multiple facets of serotonergic modulation. PROGRESS IN BRAIN RESEARCH 2021; 261:3-39. [PMID: 33785133 DOI: 10.1016/bs.pbr.2021.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The serotonergic system of the central nervous system (CNS) has been implicated in a broad range of physiological functions and behaviors, such as cognition, mood, social interaction, sexual behavior, feeding behavior, sleep-wake cycle and thermoregulation. Serotonin (5-hydroxytryptamine, 5-HT) establishes a plethora of interactions with neurochemical systems in the CNS via its numerous 5-HT receptors and autoreceptors. The facets of this control are multiple if we consider the molecular actors playing a role in the autoregulation of 5-HT neuron activity including the 5-HT1A, 5-HT1B, 5-HT1D, 5-HT2B, 5-HT7 receptors as well as the serotonin transporter. Moreover, extrinsic loops involving other neurotransmitters giving the other 5-HT receptors the possibility to impact 5-HT neuron activity. Grasping the complexity of these interactions is essential for the development of a variety of therapeutic strategies for cognitive defects and mood disorders. Presently we can illustrate the plurality of the mechanisms and only conceive that these 5-HT controls are likely not uniform in terms of regional and neuronal distribution. Our understanding of the specific expression patterns of these receptors on specific circuits and neuronal populations are progressing and will expand our comprehension of the function and interaction of these receptors with other chemical systems. Thus, the development of new approaches profiling the expression of 5-HT receptors and autoreceptors should reveal additional facets of the 5-HT controls of neurochemical systems in the CNS.
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Affiliation(s)
- Anna Beyeler
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France.
| | - Anes Ju
- Neurocentre Magendie, INSERM 1215, Université de Bordeaux, Bordeaux, France
| | - Abdeslam Chagraoui
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Normandie University, UNIROUEN, INSERM U1239, Rouen, France; Department of Medical Biochemistry, Rouen University Hospital, Rouen, France
| | - Lise Cuvelle
- Centre National de La Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
| | - Maxime Teixeira
- Centre National de La Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, United Kingdom.
| | - Philippe De Deurwaerdère
- Centre National de La Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France
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24
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Magli E, Kędzierska E, Kaczor AA, Bielenica A, Severino B, Gibuła-Tarłowska E, Kotlińska JH, Corvino A, Sparaco R, Esposito G, Albrizio S, Perissutti E, Frecentese F, Leśniak A, Bujalska-Zadrożny M, Struga M, Capasso R, Santagada V, Caliendo G, Fiorino F. Synthesis, docking studies, and pharmacological evaluation of 2-hydroxypropyl-4-arylpiperazine derivatives as serotoninergic ligands. Arch Pharm (Weinheim) 2021; 354:e2000414. [PMID: 33543794 DOI: 10.1002/ardp.202000414] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/17/2020] [Accepted: 01/08/2021] [Indexed: 01/02/2023]
Abstract
A new series of norbornene and exo-N-hydroxy-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboximide derivatives was prepared, and their affinities to the 5-HT1A , 5-HT2A , and 5-HT2C receptors were evaluated and compared with a previously synthesized series of derivatives characterized by the same nuclei, to identify selective ligands for the subtype receptors. Arylpiperazines represent one of the most important classes of 5-HT1A R ligands, and the research of new derivatives has been focused on the modification of one or more portions of this pharmacophore. The combination of structural elements (heterocyclic nucleus, hydroxyalkyl chain, and 4-substituted piperazine), known to be critical for the affinity to 5-HT1A receptors, and the proper selection of substituents resulted in compounds with high specificity and affinity toward serotoninergic receptors. The most active compounds were selected for further in vivo assays to determine their functional activity. Finally, to rationalize the obtained results, molecular docking studies were performed. The results of the pharmacological studies showed that 3e, 4j, and 4n were the most active and promising derivatives for the serotonin receptor considered in this study.
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Affiliation(s)
- Elisa Magli
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Ewa Kędzierska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Lublin, Poland
| | - Agnieszka A Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, Lublin, Poland.,School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Anna Bielenica
- Department of Biochemistry, Medical University of Warsaw, Warsaw, Poland
| | - Beatrice Severino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Ewa Gibuła-Tarłowska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Lublin, Poland
| | - Jolanta H Kotlińska
- Department of Pharmacology and Pharmacodynamics, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Lublin, Poland
| | - Angela Corvino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Rosa Sparaco
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Giovanna Esposito
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Stefania Albrizio
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Elisa Perissutti
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Francesco Frecentese
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Anna Leśniak
- Department of Pharmacodynamics, Centre for Preclinical Research and Technology, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - Magdalena Bujalska-Zadrożny
- Department of Pharmacodynamics, Centre for Preclinical Research and Technology, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - Marta Struga
- Department of Biochemistry, Medical University of Warsaw, Warsaw, Poland
| | - Raffaele Capasso
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Vincenzo Santagada
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Giuseppe Caliendo
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
| | - Ferdinando Fiorino
- Dipartimento di Farmacia, Università degli Studi di Napoli "Federico II", Napoli, Italy
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25
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Savalia NK, Shao LX, Kwan AC. A Dendrite-Focused Framework for Understanding the Actions of Ketamine and Psychedelics. Trends Neurosci 2020; 44:260-275. [PMID: 33358035 DOI: 10.1016/j.tins.2020.11.008] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 11/07/2020] [Accepted: 11/24/2020] [Indexed: 02/09/2023]
Abstract
Pilot studies have hinted that serotonergic psychedelics such as psilocybin may relieve depression, and could possibly do so by promoting neural plasticity. Intriguingly, another psychotomimetic compound, ketamine, is a fast-acting antidepressant and induces synapse formation. The similarities in behavioral and neural effects have been puzzling because the compounds target distinct molecular receptors in the brain. In this opinion article, we develop a conceptual framework that suggests the actions of ketamine and serotonergic psychedelics may converge at the dendrites, to both enhance and suppress membrane excitability. We speculate that mismatches in the opposing actions on dendritic excitability may relate to these compounds' cell-type and region selectivity, their moderate range of effects and toxicity, and their plasticity-promoting capacities.
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Affiliation(s)
- Neil K Savalia
- Medical Scientist Training Program, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Ling-Xiao Shao
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Alex C Kwan
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06511, USA; Department of Neuroscience, Yale University School of Medicine, New Haven, CT 06511, USA.
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26
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Jia Y, Zou J, Wang Y, Zhang X, Shi Y, Liang Y, Guo D, Yang M. Action mechanism of Roman chamomile in the treatment of anxiety disorder based on network pharmacology. J Food Biochem 2020; 45:e13547. [PMID: 33152801 DOI: 10.1111/jfbc.13547] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/08/2020] [Accepted: 10/14/2020] [Indexed: 11/25/2022]
Abstract
Anxiety disorder is a common psychiatric disease. Roman chamomile as medicine or tea has long been used as a mild tranquilizer to reduce anxiety, but the mechanism is unclear. This research is based on network pharmacology combined with database mining to find the ingredients, action pathways and key targets of Roman chamomile for the treatment of anxiety. About 126 common targets related to chamomile and anxiety were obtained, and these targets were involved in 56 KEGG pathways. GEO screened LRRK2 as a key protein, and molecular docking showed that the protein could stably bind to drug components. Roman chamomile has the characteristics of multi-target and multi-pathway in the treatment of anxiety disorder. Its possible mechanism is to intervene anxiety disorder in the process of disease development, such as neuroactive ligand-receptor interaction, serotonin synapse, and cAMP signaling pathway. LRRK2 may be an important gene for Roman chamomile in the treatment of anxiety disorder. PRACTICAL APPLICATIONS: Roman chamomile is well known for its use in medicine and tea making. It contains many nutrients, which can relieve people's anxiety, help sleep, antibacterial and anti-inflammatory. In this article, through network pharmacology combined with Gene Expression Omnibus data mining and molecular docking, the target and mechanism of Roman chamomile in the treatment of anxiety were discussed, and its efficacy was verified by model animals, which not only clarified its mechanism at the systematic level, but also proved to be effective at the biological level. It provides a reference for the further development and utilization of Roman chamomile.
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Affiliation(s)
- Yanzhuo Jia
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Junbo Zou
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China.,Department of Pharmaceutics, The Key Laboratory of Basicand New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Yao Wang
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Xiaofei Zhang
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China.,Department of Pharmaceutics, The Key Laboratory of Basicand New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang, China.,Department of Pharmaceutics, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yajun Shi
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China.,Department of Pharmaceutics, The Key Laboratory of Basicand New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Yulin Liang
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Dongyan Guo
- Department of Pharmaceutics, Shaanxi University of Chinese Medicine, Xianyang, China.,Department of Pharmaceutics, The Key Laboratory of Basicand New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang, China
| | - Ming Yang
- Department of Pharmaceutics, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
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