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Wei QQ, Yin YY, Qiao YX, Ni H, Han SY, Yao Y, Li YF, Zhang LM, Li J. Anxiolytic-like effects of YL-IPA08, a potent ligand for the translocator protein (18 kDa) via regulating the synaptic plasticity in hippocampus. Eur J Pharmacol 2024; 969:176394. [PMID: 38331342 DOI: 10.1016/j.ejphar.2024.176394] [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: 09/05/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/10/2024]
Abstract
TSPO, translocator protein (18 kDa) ligands have demonstrated consistent antidepression and anxiolytic effects in several preclinical studies. This study aimed to examine whether YL-IPA08[N-ethyl-N-(2-pyridinylmethyl)-2-(3,4-ichlorophenyl) -7-methylimidazo [1,2-a] pyridine-3-acetamide hydrochloride], a potent and selective TSPO ligand synthesized by our institute, could alleviate anxiety-related behaviors induced by electric shock (ES) and investigate its underlying mechanism. As expected, we showed that chronic treatment with YL-IPA08 significantly reversed anxiety-related behaviors induced by electrical stimulation (0.5 mA, 12 times, duration 1s, interval 10s) exposure. Using the analysis of RNA-sequencing (RNA-seq) technology, it was found that the differential genes associated with the anxiolytic effect of YL-IPA08 were mainly related to synaptic plasticity. Furthermore, YL-IPA08 restored the decreased levels of brain-derived neurotrophic factor (BDNF), synapse-related protein (e.g. synapsin-1 and post-synaptic density95, PSD95), and the number of doublecortin (DCX) + neurons in the hippocampus of post-ES mice. In addition, YL-IPA08 also enhanced the dendritic complexity and dendritic spine density of hippocampal dentate gyrus (DG) granule neurons. Meanwhile, the induction of long-term potentiation (LTP) was significantly enhanced by YL-IPA08. In summary, the findings from the current study showed that YL-IPA08 exerted a clear anxiolytic effect, which might be partially mediated by promoting hippocampal neuroplasticity.
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Affiliation(s)
- Qian-Qian Wei
- Department of Basic Medicine, School of Medicine, Nantong University, Nantong, Jiangsu, China; Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Yong-Yu Yin
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Yong-Xing Qiao
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China; Hebei University of Science and Technology, Shijiazhuang, China
| | - Han Ni
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China; Hebei University of Science and Technology, Shijiazhuang, China
| | - Shuo-Yu Han
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yishan Yao
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China
| | - Yun-Feng Li
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China; Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Li-Ming Zhang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, China.
| | - Junxu Li
- Department of Basic Medicine, School of Medicine, Nantong University, Nantong, Jiangsu, China.
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Zhai DS, Wang XS, Yang L, Jiang YL, Jin YC, Yan YX, Song DK, Zhang K, Han ZK, Liu MY, Wu YM, Ma X, Qi JY, Yang F, Tian F, Li XB, Liu SB. TOM40 mediates the effect of TSPO on postpartum depression partially through regulating calcium homeostasis in microglia. J Affect Disord 2024; 348:283-296. [PMID: 38159656 DOI: 10.1016/j.jad.2023.12.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 12/03/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
AIMS To assess the effect of the translocator protein 18 kDa (TSPO) on postpartum depression and explore its mechanism. METHODS Postpartum depression (PPD) mouse model was established, and flow cytometry, immunofluorescence, Western blot analysis, real-time quantitative PCR, adeno-associated virus (AAV), co-immunoprecipitation-mass spectrometry and immunofluorescence co-staining were used to detect the effect of TSPO ligand ZBD-2 on PPD mice. RESULTS ZBD-2 inhibits the overactivation of microglia in the hippocampus and amygdala of PPD model mice. ZBD-2 not only inhibited the inflammation but also repressed the burst of reactive oxygen species (ROS) and mitochondrial ROS (mtROS). Meanwhile, ZBD-2 protects mitochondria from LPS-induced damages through inhibiting the influx of calcium. ZBD-2 modulated the calcium influx by increasing the level of translocase of the outer mitochondrial membrane 40 (TOM40) and reducing the interaction of TSPO and TOM40. In addition, the effect of ZBD-2 was partially dependent on anti-oxidative process. Knockdown of TOM40 by adeno-associated virus (AAV) in the hippocampus or amygdala dramatically reduced the effect of ZBD-2 on PPD, indicating that TOM40 mediates the effect of ZBD-2 on PPD. CONCLUSIONS TOM40 is required for the effect of ZBD-2 on treating anxiety and depression in PPD mice. This study reveals the role of microglia TSPO in PPD development and provides the new therapeutic strategy for PPD.
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Affiliation(s)
- Dong-Sheng Zhai
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Xin-Shang Wang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Le Yang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yong-Li Jiang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yu-Chen Jin
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Yu-Xuan Yan
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Da-Ke Song
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Kun Zhang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Zu-Kang Han
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Ming-Ying Liu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Yu-Mei Wu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Xue Ma
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Jing-Yu Qi
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Fan Yang
- Precision Pharmacy & Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Fei Tian
- Teaching Experimental Center, Fourth Military Medical University, Xi'an, China
| | - Xu-Bo Li
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China.
| | - Shui-Bing Liu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China.
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Cheung G, Lin YC, Papadopoulos V. Translocator protein in the rise and fall of central nervous system neurons. Front Cell Neurosci 2023; 17:1210205. [PMID: 37416505 PMCID: PMC10322222 DOI: 10.3389/fncel.2023.1210205] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 06/07/2023] [Indexed: 07/08/2023] Open
Abstract
Translocator protein (TSPO), a 18 kDa protein found in the outer mitochondrial membrane, has historically been associated with the transport of cholesterol in highly steroidogenic tissues though it is found in all cells throughout the mammalian body. TSPO has also been associated with molecular transport, oxidative stress, apoptosis, and energy metabolism. TSPO levels are typically low in the central nervous system (CNS), but a significant upregulation is observed in activated microglia during neuroinflammation. However, there are also a few specific regions that have been reported to have higher TSPO levels than the rest of the brain under normal conditions. These include the dentate gyrus of the hippocampus, the olfactory bulb, the subventricular zone, the choroid plexus, and the cerebellum. These areas are also all associated with adult neurogenesis, yet there is no explanation of TSPO's function in these cells. Current studies have investigated the role of TSPO in microglia during neuron degeneration, but TSPO's role in the rest of the neuron lifecycle remains to be elucidated. This review aims to discuss the known functions of TSPO and its potential role in the lifecycle of neurons within the CNS.
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Royse SK, Lopresti BJ, Mathis CA, Tollefson S, Narendran R. Beyond monoamines: II. Novel applications for PET imaging in psychiatric disorders. J Neurochem 2023; 164:401-443. [PMID: 35716057 DOI: 10.1111/jnc.15657] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 11/27/2022]
Abstract
Early applications of positron emission tomography (PET) in psychiatry sought to identify derangements of cerebral blood flow and metabolism. The need for more specific neurochemical imaging probes was soon evident, and these probes initially targeted the sites of action of neuroleptic (dopamine D2 receptors) and psychoactive (serotonin receptors) drugs. For nearly 30 years, the centrality of monoamine dysfunction in psychiatric disorders drove the development of an armamentarium of monoaminergic PET radiopharmaceuticals and imaging methodologies. However, continued investments in monoamine-enhancing drug development realized only modest gains in efficacy and tolerability. As patent protection for many widely prescribed and profitable psychiatric drugs lapsed, drug development pipelines shifted away from monoamines in search of novel targets with the promises of improved efficacy, or abandoned altogether. Over this period, PET radiopharmaceutical development activities closely parallelled drug development priorities, resulting in the development of new PET imaging agents for non-monoamine targets. In part two of this review, we survey clinical research studies using the novel targets and radiotracers described in part one across major psychiatric application areas such as substance use disorders, anxiety disorders, eating disorders, personality disorders, mood disorders, and schizophrenia. Important limitations of the studies described are discussed, as well as key methodologic issues, challenges to the field, and the status of clinical trials seeking to exploit these targets for novel therapeutics.
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Affiliation(s)
- Sarah K Royse
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Brian J Lopresti
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Chester A Mathis
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Savannah Tollefson
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Rajesh Narendran
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
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Tongta S, Daendee S, Kalandakanond-Thongsong S. Anxiety-like behavior and GABAergic system in ovariectomized rats exposed to chronic mild stress. Physiol Behav 2023; 258:114014. [PMID: 36328075 DOI: 10.1016/j.physbeh.2022.114014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/14/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
Abstract
Stress or low level of estrogen could promote anxiety and depression; thus, it is of interest to investigate the combined effect of mild stress and the lack of estrogen on mental disorders by utilizing an animal model. This study was conducted to assess anxiety- and depressive- like behaviors in ovariectomized (Ovx) rats exposed to chronic mild stress (CMS) and determine the alteration in gamma-aminobutyric acid (GABA)-related transmission. Ovx rats were randomly assigned into four groups: (1) estrogen replacement (E2-NoCMS), (2) estrogen replacement and exposure to CMS (E2-CMS), (3) vehicle (VEH-NoCMS), and (4) vehicle and exposure to CMS (VEH-CMS). Following 4-week CMS, VEH groups (VEH-NoCMS and VEH-CMS) showed a similar level of anxiety-like behavior in elevated T-maze, whereas E2-CMS, VEH-NoCMS and VEH-CMS showed anxiety-like behavior in open field. The depressive-like behavior in the force swimming test tended to be affected by estrogen deprivation than CMS. The alteration of the GABAergic system as determined from the GABA level and mRNA expression of GABA-related transmission (i.e., glutamic acid decarboxylase, GABA transporter and GABAA subunits) showed that the GABA level in the amygdala and frontal cortex was affected by CMS. For mRNA expression, the mRNA profile in the amygdala and hippocampus of VEH-NoCMS and E2-CMS was the same but different from those of VEH-NoCMS and E2-CMS. In addition, compared with E2-NoCMS, the mRNA profile in the frontal cortex was similar in VEH-NoCMS, E2-CMS, and VEH-CMS. These findings indicated that the underlying mechanism of the GABAergic system was differently modified, although VEH-NoCMS and VEH-CMS showed anxiety-like behavior. The findings of this study may provide a comprehensive understanding of the modulation of the GABAergic system during estrogen deprivation under CMS, as observed in menopausal women who were daily exposed to stress.
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Affiliation(s)
- Sushawadee Tongta
- Department of Veterinary Physiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Suwaporn Daendee
- College of Medicine and Public Health, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
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Tongta S, Daendee S, Kalandakanond-Thongsong S. Effects of estrogen receptor β or G protein-coupled receptor 30 activation on anxiety-like behaviors in relation to GABAergic transmission in stress-ovariectomized rats. Neurosci Lett 2022; 789:136885. [PMID: 36152742 DOI: 10.1016/j.neulet.2022.136885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 12/24/2022]
Abstract
For mental disorders such as anxiety and depression, stress and stressful events are considered as precipitating causes that may be enhanced by estrogen variability. This condition is proven by the higher vulnerability of women than men. Despite the complexity of underlying mechanisms, the gamma-aminobutyric acid (GABA) system piques interest as its receptor contains multiple psychoactive modulatory sites including neurosteroids. Moreover, according to clinical and experimental reports, GABA-associated genes can be altered by stress and hormonal status. Therefore, this study investigated the effects of estrogen receptor β (ERβ) or G protein-coupled receptor 30 (GPR30) activation on anxiety/depression-like behaviors and the alterations in the GABA-associated gene of ovariectomized rats under chronic mild stress (CMS). Mild stressors were focused on because they represent a realistic simulation of daily life stress. In this study, ovariectomized rats were treated with vehicle, estradiol (E2), diarylpropionitrile (DPN; ERβ agonist) or G1 (GPR30 agonist) and exposed to 4-week CMS. The results showed that E2, DPN, and G1 treatments reduced anxiety-like behaviors without affecting depression-like behaviors. Concurrently, the GABA level and most GABA- and neurosteroid-associated mRNAs were altered by E2. Similar mRNA profiles were observed in DPN- and E2-administrations but not in G1 treatment. Collectively, these data suggest that estrogen exerts an anxiolytic-like action through either ERβ and/or GPR30 activation, and the modulatory effects of estrogen on GABAergic system are likely to be modulated through ERβ. The findings of this study therefore further provide insights into the roles of estrogen and daily mild stressors in GABA-related activity and behavioral responses, especially anxiety.
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Affiliation(s)
- Sushawadee Tongta
- Department of Veterinary Physiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Suwaporn Daendee
- College of Medicine and Public Health, Ubon Ratchathani University, Ubon Ratchathani, Thailand
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Rupprecht R, Wetzel CH, Dorostkar M, Herms J, Albert NL, Schwarzbach J, Schumacher M, Neumann ID. Translocator protein (18kDa) TSPO: a new diagnostic or therapeutic target for stress-related disorders? Mol Psychiatry 2022; 27:2918-2926. [PMID: 35444254 DOI: 10.1038/s41380-022-01561-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/25/2022] [Accepted: 03/31/2022] [Indexed: 12/11/2022]
Abstract
Efficient treatment of stress-related disorders, such as depression, is still a major challenge. The onset of antidepressant drug action is generally quite slow, while the anxiolytic action of benzodiazepines is considerably faster. However, their long-term use is impaired by tolerance development, abuse liability and cognitive impairment. Benzodiazepines act as positive allosteric modulators of ɣ-aminobutyric acid type A (GABAA) receptors. 3α-reduced neurosteroids such as allopregnanolone also are positive allosteric GABAA receptor modulators, however, through a site different from that targeted by benzodiazepines. Recently, the administration of neurosteroids such as brexanolone or zuranolone has been shown to rapidly ameliorate symptoms in post-partum depression or major depressive disorder. An attractive alternative to the administration of exogenous neurosteroids is promoting endogenous neurosteroidogenesis via the translocator protein 18k Da (TSPO). TSPO is a transmembrane protein located primarily in mitochondria, which mediates numerous biological functions, e.g., steroidogenesis and mitochondrial bioenergetics. TSPO ligands have been used in positron emission tomography (PET) studies as putative markers of microglia activation and neuroinflammation in stress-related disorders. Moreover, TSPO ligands have been shown to modulate neuroplasticity and to elicit antidepressant and anxiolytic therapeutic effects in animals and humans. As such, TSPO may open new avenues for understanding the pathophysiology of stress-related disorders and for the development of novel treatment options.
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Affiliation(s)
- Rainer Rupprecht
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany.
| | - Christian H Wetzel
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Mario Dorostkar
- Center for Neuropathology and Prion Research, Ludwig-Maximilian-University Munich, 81377, Munich, Germany
| | - Jochen Herms
- Center for Neuropathology and Prion Research, Ludwig-Maximilian-University Munich, 81377, Munich, Germany.,German Center for Neurodegenerative Diseases (DZNE), 81377, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany
| | - Nathalie L Albert
- Department of Nuclear Medicine, Ludwig-Maximilian-University Munich, 81377, Munich, Germany
| | - Jens Schwarzbach
- Department of Psychiatry and Psychotherapy, University of Regensburg, 93053, Regensburg, Germany
| | - Michael Schumacher
- Research Unit 1195, INSERM and University Paris-Saclay, 94276, Le Kremlin-Bicêtre, France
| | - Inga D Neumann
- Department of Neurobiology and Animal Physiology, University Regensburg, 93040, Regensburg, Germany
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Han J, Zhang S, Jiang B, Wang J, Ge X, Wu B, Zhang S, Wang D. Sesquiterpene lactones from Xanthium sibiricum Patrin alleviate asthma by modulating the Th1/Th2 balance in a murine model. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 99:154032. [PMID: 35263672 DOI: 10.1016/j.phymed.2022.154032] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Asthma is a complex airway disease involving a variety of cells and cytokines. Xanthium sibiricum Patrin ex Widder (X. sibiricum) is a traditional Chinese medicine for various immune diseases, especially allergic rhinitis and asthma. Sesquiterpene lactones are the main bioactive and most abundant constituent, and are characteristic component of the plant. We explore whether sesquiterpene lactones from X. sibiricum (SL-XS) is the main active constitute for its anti-asthma activity. PURPOSE In the present study, SL-XS was isolated, the major compounds were isolated and identified in extract of SL-XS, and the anti-asthma activity of SL-XS was validated in vivo. METHODS SL-XS was isolated by a standard phytochemical method. The structures of major sesquiterpene lactones were identified by NMR and LC-MS spectra. The contents of major SL-XS were analyzed by HPLC. The anti-asthma effect of SL-XS was evaluated in a house dust mite (HDM)-induced mouse model. RESULTS The sesquiterpene lactones were isolated from X. sibiricum, and five major constituents i.e., 8‑epi-xanthatin-1β, 5β-epoxide (1), tomentosin (2), 8‑epi-xanthatin (3), 2‑epi-xanthumin (4) and sibiriolide B (5) were identified from SL-XS. Oral administration of SL-XS dose-dependently ameliorated airway inflammation and remodeling in HDM-challenged asthma mouse model. Furthermore, SL-XS treatment inhibited the upregulation of proinflammatory and Th2 cytokines, while reversed the downregulation of Th1 related cytokines. In addition, SL-XS regulated the balance between T-bet and GATA-3. Moreover, SL-XS inhibited the upregulation of JAK1, p-JAK1, JAK2, p-JAK2, JAK3, p-JAK3 and p-STAT6 in HDM-challenged mice. CONCLUSION The sesquiterpene lactones including five major constituents may be the main anti-asthma active constituent of X. sibiricum. SL-XS exerted its anti-asthma effect by modulating the Th1/Th2 balance via the JAK/STAT signaling pathway.
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Affiliation(s)
- Jing Han
- School of pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Siwang Zhang
- School of pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Baoping Jiang
- School of pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jingwen Wang
- Department of TCMs Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Xiaojing Ge
- School of pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Bingrong Wu
- School of pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Sen Zhang
- School of pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Dongsheng Wang
- Department of orthopedics, Jinling Hospital, School of medicine, Nanjing University, Nanjing 210002, Jiangsu, China.
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Lu L, Yang LK, Yue J, Wang XS, Qi JY, Yang F, Feng B, Liu SB. Scutellarin alleviates depression-like behaviors induced by LPS in mice partially through inhibition of astrocyte-mediated neuroinflammation. Neurosci Lett 2021; 765:136284. [PMID: 34624394 DOI: 10.1016/j.neulet.2021.136284] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/23/2022]
Abstract
Depression is a kind of common mental disorder associated with neuroinflammation, and astrocytes play a vital role in regulating and mediating neuroinflammation in central nervous system. Scutellarin has significant anti-inflammatory and neuroprotective effects. However, whether scutellarin exerts antidepressant effect remains unknown. In present study, it was found that scutellarin suppressed LPS-induced neuroinflammation in the hippocampus and alleviated depression-like behaviors in mice. In addition, scutellarin inhibited LPS-induced elevation of TNFα, IL-1β, IL-6 and iNOS, and reversed the downregulation of IL-4 and BDNF in astrocytes in vitro. Furthermore, the activated TLR4/NF-κB pathway in LPS-treated astrocytes was suppressed by scutellarin. Collectively, these results suggest that scutellarin ameliorates depression-like behaviors induced by neuroinflammation partially through inhibiting the TLR4/NF-κB pathway in astrocytes.
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Affiliation(s)
- Liang Lu
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Liu-Kun Yang
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Jiao Yue
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Pharmacy, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Xin-Shang Wang
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Jing-Yu Qi
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Fan Yang
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Ban Feng
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Pharmacy, School of Stomatology, Fourth Military Medical University, Xi'an, China
| | - Shui-Bing Liu
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China.
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Mokrov G, Pantileev A, Yarkova M, Gudasheva T, Seredenin S. Design, synthesis, and pharmacological activity of new pyrrolo[1,2-a]pyrazine translocator protein (tspo) ligands. Med Chem 2021; 18:497-508. [PMID: 34365957 DOI: 10.2174/1573406417666210806095051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 04/22/2021] [Accepted: 05/04/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Translocator protein 18 kDa (TSPO) is a promising target for the creation of effective and safe neuropsychotropic drugs. The ligands of TSPO exhibit anxiolytic, antidepressant, neuroprotective and other activities without the side effects of benzodiazepines. METHODS New TSPO ligands in the series of N,1-diphenylpyrrolo[1,2-a]pyrazine-3-carboxamides derivatives were designed using calculated pharmacophore model and molecular docking analysis. The synthesis of new compounds was carried out by two schemes using [3+3]-cycloaddition reaction of 2-azidoacrylic acid derivatives with pyrrolphenylketone as a key stage. The anxiolytic activity of new substances has been established using open field test with flash. RESULTS Several synthesized N,1-diphenylpyrrolo[1,2-a]pyrazine-3-carboxamides derivatives significantly increased the total motor activity of Balb/c mice compared to the control. The structure-activity relationship was investigated. The most effective compound was found to be GML-11 (N-benzyl-N,1-diphenylpyrrolo[1,2-a]pyrazine-3-carboxamide), which had anxiolytic action in the dose range from 0.001 to 0.100 mg/kg (Balb/c, i.p.). This compound is two orders of magnitude higher in dose activity than all other pyrrolo[1,2-a]pyrazine TSPO ligands. CONCLUSION Molecular modelling methods allowed us to create new TSPO ligands in the series of N,1-diphenylpyrrolo[1,2-a]pyrazine-3-carboxamides with high anxiolytic activity.
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Affiliation(s)
- Grigory Mokrov
- FSBI Zakusov Research Institute of Pharmacology, Baltiyskaya 8, Moscow, 125315. Russian Federation
| | - Andry Pantileev
- FSBI Zakusov Research Institute of Pharmacology, Baltiyskaya 8, Moscow, 125315. Russian Federation
| | - Milada Yarkova
- FSBI Zakusov Research Institute of Pharmacology, Baltiyskaya 8, Moscow, 125315. Russian Federation
| | - Tatiana Gudasheva
- FSBI Zakusov Research Institute of Pharmacology, Baltiyskaya 8, Moscow, 125315. Russian Federation
| | - Sergei Seredenin
- FSBI Zakusov Research Institute of Pharmacology, Baltiyskaya 8, Moscow, 125315. Russian Federation
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11
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Chen S, Gao L, Li X, Ye Y. Allopregnanolone in mood disorders: Mechanism and therapeutic development. Pharmacol Res 2021; 169:105682. [PMID: 34019980 DOI: 10.1016/j.phrs.2021.105682] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/10/2021] [Accepted: 05/14/2021] [Indexed: 01/23/2023]
Abstract
The neuroactive steroid allopregnanolone (ALLO) is an endogenous positive allosteric modulator of GABA type A receptor (GABAAR), and the down-regulation of its biosynthesis have been attributed to the development of mood disorders, such as depression, anxiety and post-traumatic stress disorder (PTSD). ALLO mediated depression/anxiety involves GABAergic mechanisms and appears to be related to brain-derived neurotrophic factor (BDNF), dopamine receptor, glutamate neurotransmission, and Ca2+ channel. In the clinical, brexanolone, as a newly developed intravenous ALLO preparation, has been approved for the treatment of postpartum depression (PPD). In addition, traditional antidepressants such as selective serotonin reuptake inhibitor (SSRI) could reverse ALLO decline. Recently, the translocation protein (TSPO, 18 kDa), which involves in the speed-limiting step of ALLO synthesis, and ALLO derivatization have been identified as new directions for antidepressant therapy. This review provides an overview of ALLO researches in animal model and patients, discusses its role in the development and treatment of depression/anxiety, and directs its therapeutic potential in future.
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Affiliation(s)
- Shiyi Chen
- School of Pharmacy, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, Zhejiang, People's Republic of China; Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, People's Republic of China.
| | - Lijuan Gao
- School of Pharmacy, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, Zhejiang, People's Republic of China; Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, People's Republic of China.
| | - Xiaoyu Li
- School of Pharmacy, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, Zhejiang, People's Republic of China; Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, People's Republic of China.
| | - Yiping Ye
- School of Pharmacy, Hangzhou Medical College (Zhejiang Academy of Medical Sciences), Hangzhou, Zhejiang, People's Republic of China; Key Laboratory of Neuropsychiatric Drug Research of Zhejiang Province, Hangzhou Medical College, Hangzhou, Zhejiang, People's Republic of China.
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12
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Maltsev DV, Spasov AA, Yakovlev DS, Vassiliev PM, Skripka MO, Miroshnikov MV, Sultanova KT, Kochetkov AN, Divaeva LN, Kuzmenko TA, Morkovnik AS. Searching for new anxiolytic agents among derivatives of 11-dialkylaminoethyl-2,3,4,5-tetrahydrodiazepino[1,2-a]benzimidazole. Eur J Pharm Sci 2021; 161:105792. [PMID: 33705965 DOI: 10.1016/j.ejps.2021.105792] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/27/2021] [Accepted: 03/03/2021] [Indexed: 12/14/2022]
Abstract
A study on the anxiolytic activity of the new derivatives of 11-dialkylaminoethyl-2,3,4,5-tetrahydrodiazepino[1,2-a]benzimidazole, containing privileged scaffolds of benzodiazepine and benzimidazole in their structure, was conducted. The cytotoxic properties of low levels of six compounds were preliminary determined in vitro using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide test. The screening of these substances for anxiolytic activity was conducted using elevated plus maze (EPM) test in vivo, and DAB-21 was found to be the most active compound. The acute toxicity of DAB-21 was determined as less toxic than that of diazepam. The dose-dependent effect of the most active compound revealed a minimum dose of 1.26 mg/kg, which resulted in the maximum counterphobic effect. The effect of DAB-21 was superior in a number of tests compared with that of diazepam, which indicated a high level of tranquilizing activity for DAB-21. The results of in silico docking analysis suggest that DAB-21 should have a slightly lower anxiolytic activity than diazepam, but should exhibit greater specific affinity for the benzodiazepine site of the GABAA receptor, in comparison with its GABA-binding site. The interaction between DAB-21 and flumazenil in terms of EPM verifies the GABAergic mechanism of action of DAB-21. Our results highlight the potential of 11-dialkylaminomethyl-2,3,4,5-tetrahydrodiazepino[1,2-a]benzimidazoles as promising compounds in the search for new highly effective anxiolytics.
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Affiliation(s)
- Dmitriy V Maltsev
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia.
| | - Alexander A Spasov
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Dmitriy S Yakovlev
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Pavel M Vassiliev
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Maria O Skripka
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Mikhail V Miroshnikov
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Kira T Sultanova
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia; Volgograd Medical Research Center; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Andrey N Kochetkov
- Volgograd State Medical University, Department of Pharmacology and Bioinformatics; 1 Pavshikh Bortsov sq., Volgograd, Russia
| | - Lyudmila N Divaeva
- Southern Federal University, Research Institute of Physical and Organic Chemistry; 105/42 Bolshaya Sadovaya str., Rostov-on-Don, Russia
| | - Tatyana A Kuzmenko
- Southern Federal University, Research Institute of Physical and Organic Chemistry; 105/42 Bolshaya Sadovaya str., Rostov-on-Don, Russia
| | - Anatolii S Morkovnik
- Southern Federal University, Research Institute of Physical and Organic Chemistry; 105/42 Bolshaya Sadovaya str., Rostov-on-Don, Russia
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13
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Liu Z, Li L, Ma S, Ye J, Zhang H, Li Y, Sair AT, Pan J, Liu X, Li X, Yan S, Liu X. High-Dietary Fiber Intake Alleviates Antenatal Obesity-Induced Postpartum Depression: Roles of Gut Microbiota and Microbial Metabolite Short-chain Fatty Acid Involved. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:13697-13710. [PMID: 33151669 DOI: 10.1021/acs.jafc.0c04290] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Antenatal obesity increases the risk of postpartum depression. Previous research found that dietary fiber supplementation could alleviate mental behavioral disorders. The present study aims to uncover the effects of high-dietary fiber intake on high-fat diet (HFD)-induced depressive-like behaviors and its underlying mechanism. Female C57BL6/J mice were fed with HFD to establish an antenatal obese model. A high-dietary fiber intake (inulin, 0.037 g/kcal) significantly attenuated cognitive deficits and depressive-like behaviors in the maternal mice after the offspring weaning. High-dietary fiber intake upregulated the expression of 5-hydroxytryptamine (5-HT) and norepinephrine (NE) and suppressed neuroinflammation. Furthermore, high-dietary fiber intake restructured the gut microbiome and elevated the formation of short-chain fatty acids (SCFAs). Correlation analysis indicated that the increase in microbes such as Lactobacillus and S24-7, and SCFAs' levels were positively correlated with behavioral improvements. In conclusion, high-dietary fiber intake is a promising nutritional intervention strategy to prevent antenatal obesity-induced behavioral disorders via a microbiota-gut-brain axis.
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Affiliation(s)
- Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
- Department of Food Science, Cornell University, Ithaca, New York 14853, United States
| | - Ling Li
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Shaobo Ma
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Jin Ye
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Hongbo Zhang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Yitong Li
- Department of Food Science, Cornell University, Ithaca, New York 14853, United States
| | - Ali Tahir Sair
- Department of Food Science, Cornell University, Ithaca, New York 14853, United States
| | - Junru Pan
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Xiaoning Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Xiang Li
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Shikai Yan
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
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14
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Shang C, Yao RM, Guo Y, Ding ZC, Sun LJ, Ran YH, Xue R, Wang HS, Zhang JM, Zhang YZ, Zhang LM, Li YF. Translocator protein-mediated fast-onset antidepressant-like and memory-enhancing effects in chronically stressed mice. J Psychopharmacol 2020; 34:441-451. [PMID: 31913078 DOI: 10.1177/0269881119896304] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Fast-acting and cognitive-enhancing antidepressants are desperately needed. Activation of translocator protein (18 kDa, TSPO) is a novel strategy for developing potential antidepressants, but there are no data available on the onset time of TSPO ligands. This study aimed to investigate the fast-onset antidepressant actions of AC-5216, a selective TSPO ligand, in TSPO knock-out (KO) mice. METHODS TSPO wild-type (WT) and KO mice were subjected to a six-week chronic unpredicted stress (CUS) paradigm. Then, the mice were treated with AC-5216 and tested with depressive and cognitive behaviours. RESULTS A single dose of AC-5216 (0.3 mg/kg) exerted anxiolytic- and antidepressant-like actions in TSPO WT mice. Moreover, in chronically stressed WT mice, two to four days of AC-5216 treatment (0.3 mg/kg, once per day) produced fast-onset antidepressant-like effects in the novelty-suppressed feeding and sucrose preference tests, as well as memory-enhancing effects in the novel object recognition test. In addition, a rapid (with five days of treatment) restoration of serum corticosterone levels and prefrontal cortex (PFC) allopregnanolone levels was found. Further studies showed that in these stress-exposed WT mice, AC-5216 significantly increased the levels of mTOR signalling-related proteins (mBDNF, p-mTOR, PSD-95, synapsin-1, GluR1), as well as the total dendritic length and branching points of pyramidal neurons in the PFC. CONCLUSIONS These results suggest that TSPO mediates the fast-onset antidepressant-like and memory-enhancing effects of AC-5216, possibly through the rapid activation of mTOR signalling and restoration of dendritic complexity in the PFC.
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Affiliation(s)
- Chao Shang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Ru-Meng Yao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Ying Guo
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Zhen-Chun Ding
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Li-Jun Sun
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Yu-Hua Ran
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Rui Xue
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Huai-Shan Wang
- Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, State Key Laboratory of Medical Molecular Biology, Beijing, PR China
| | - Jian-Min Zhang
- Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, State Key Laboratory of Medical Molecular Biology, Beijing, PR China
| | - You-Zhi Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Li-Ming Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
| | - Yun-Feng Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, PR China
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15
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Bandelow B. Current and Novel Psychopharmacological Drugs for Anxiety Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1191:347-365. [PMID: 32002937 DOI: 10.1007/978-981-32-9705-0_19] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Anxiety disorders, including panic disorder/agoraphobia (PDA), generalized anxiety disorder (GAD), social anxiety disorder (SAD), and others, are the most prevalent mental disorders. In this paper, recommendations are given for the psychopharmacological treatment of these disorders which are based on comprehensive treatment guidelines, meta-analyses, and systematic reviews of available randomized controlled studies. Anxiety disorders can effectively be treated with psychotherapy, pharmacotherapy, or a combination of both. First-line drugs are the selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs). Benzodiazepines are not recommended for routine use due to their possible addiction potential. Other treatment options include the calcium modulator pregabalin, tricyclic antidepressants, buspirone, moclobemide, and others. Drug treatment can be combined with psychological treatments. Novel treatment strategies include medications that act on GABA, glutamate, and other neurotransmitter systems. After remission, medications should be continued for 6 to 12 months.
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Affiliation(s)
- Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University Medical Center, Göttingen, Germany.
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16
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Li D, Li Y, Chen Y, Li H, She Y, Zhang X, Chen S, Chen W, Qiu G, Huang H, Zhang S. Neuroprotection of reduced thyroid hormone with increased estrogen and progestogen in postpartum depression. Biosci Rep 2019; 39:BSR20182382. [PMID: 31406011 PMCID: PMC6722490 DOI: 10.1042/bsr20182382] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/07/2019] [Accepted: 08/08/2019] [Indexed: 02/05/2023] Open
Abstract
Background: Postpartum depression (PPD) is a common serious mental health problem. Recent studies have demonstrated that hormone therapy serves as a promising therapeutic approach in managing PPD. The present study aims at exploring the role of thyroid hormone (TH), estrogen and progestogen in patients with PPD.Methods: Initially, PPD patients were enrolled and a PPD mouse model was established. The serum levels of estradiol (E2), progesterone (P), triiodothyronine (T3), thyroxine (T4), free triiodothyronine (FT3), free thyroxine (FT4), and thyroid-stimulating hormone (TSH) were subsequently measured. Next, in order to identify the effects of TH, estrogen and progestogen on PPD progression, mice were administrated with E2, P, contraceptives (CA), Euthyrox and methimazole (MMI). Besides, the body weight, activities, basolateral amygdala (BLA) neuron cell structure and the related gene expression of mice were analyzed.Results: The PPD patients and the mice showed elevated serum levels of T3, T4, FT3 and FT4 along with diminished E2, P and TSH levels. In the mice administered with a combination of E2, P, and MMI, decreased TH and increased estrogen and progestogen were detected, which resulted in increased body weight, normal activities, and BLA neuron cell structure. Moreover, brain-derived neurotrophic factor (BDNF) and cAMP-responsive element-binding protein (CREB) were both up-regulated in PPD mice administrated with a combination of E2, P, and MMI, which was accompanied by decreased TH and elevated estrogen and progestogen.Conclusion: Taken together, reduced TH combined with enhanced estrogen and progestogen confers neuroprotection in PPD, highlighting a potential target in prevention and treatment of PPD.
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Affiliation(s)
- Dan Li
- Gynaecology and Obstetrics, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Yangyao Li
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Yun Chen
- Department of Pharmacy, Guangzhou Red Cross Hospital Affiliated of Ji-Nan University Medical College, Guangzhou 510220, P.R. China
| | - Haiyan Li
- Department of Nursing, Guangzhou Red Cross Hospital Affiliated of Ji-Nan University Medical College, Guangzhou 510220, P.R. China
| | - Yuqi She
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Xialan Zhang
- Gynaecology and Obstetrics, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Shuang Chen
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Wanying Chen
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Guodong Qiu
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Haiqing Huang
- Department of Ultrasound, Cancer Hospital of Shantou University Medical College, Shantou 515031, P.R. China
| | - Shuyao Zhang
- Department of Pharmacy, Guangzhou Red Cross Hospital Affiliated of Ji-Nan University Medical College, Guangzhou 510220, P.R. China
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17
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Li XB, Liu A, Yang L, Zhang K, Wu YM, Zhao MG, Liu SB. Antidepressant-like effects of translocator protein (18 kDa) ligand ZBD-2 in mouse models of postpartum depression. Mol Brain 2018; 11:12. [PMID: 29506545 PMCID: PMC5838882 DOI: 10.1186/s13041-018-0355-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 02/25/2018] [Indexed: 02/07/2023] Open
Abstract
The 18 kDa translocator protein (TSPO) is primarily localized in the outer mitochondrial membrane of steroid-synthesizing cells in the central and peripheral nervous systems. One of the protein’s main functions is transporting substrate cholesterol into the mitochondria in a prerequisite process for steroid synthesis. Clinical trials have indicated that TSPO ligands might be valuable in treating some neuropathies and psychopathies. However, limited information is known about the role of TSPO in postpartum depression (PPD). The TSPO ligand ZBD-2, a derivative of XBD173, was synthesized in our laboratory. Behavioral tests, enzyme linked immunosorbent assay, and Western blot were employed to evaluate ZBD-2’s efficacy against PPD and to elucidate the potential underlying molecular mechanism. The TSPO levels significantly decreased in the basolateral amygdala of PPD models. After treatment for 2 weeks, ZBD-2 alleviated depression-like behaviors and enhanced the TSPO level in a PPD animal model. The underlying mechanisms of ZBD-2 were related to regulate the hypothalamic-pituitary-adrenal axis, enhance 5-HT and BDNF secretion, and maintain the excitatory and inhibitory synaptic protein expression to normal levels. Our results directly confirm that ZBD-2 exerts a therapeutic effect on PPD, which provides a new target for anti-PPD drug development.
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Affiliation(s)
- Xu-Bo Li
- Precision Pharmacy & Drug Development Center, Tangdu Hospital, Fourth Military Medical University, Xinsi Road 1, Xi'an, 710038, China.,Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - An Liu
- Precision Pharmacy & Drug Development Center, Tangdu Hospital, Fourth Military Medical University, Xinsi Road 1, Xi'an, 710038, China
| | - Le Yang
- Precision Pharmacy & Drug Development Center, Tangdu Hospital, Fourth Military Medical University, Xinsi Road 1, Xi'an, 710038, China
| | - Kun Zhang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Yu-Mei Wu
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Ming-Gao Zhao
- Precision Pharmacy & Drug Development Center, Tangdu Hospital, Fourth Military Medical University, Xinsi Road 1, Xi'an, 710038, China. .,Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China.
| | - Shui-Bing Liu
- Precision Pharmacy & Drug Development Center, Tangdu Hospital, Fourth Military Medical University, Xinsi Road 1, Xi'an, 710038, China. .,Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China.
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18
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Barichello T, Simões LR, Collodel A, Giridharan VV, Dal-Pizzol F, Macedo D, Quevedo J. The translocator protein (18 kDa) and its role in neuropsychiatric disorders. Neurosci Biobehav Rev 2017; 83:183-199. [DOI: 10.1016/j.neubiorev.2017.10.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 09/20/2017] [Accepted: 10/10/2017] [Indexed: 02/08/2023]
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19
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Regulation of Mitochondrial, Cellular, and Organismal Functions by TSPO. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2017; 82:103-136. [PMID: 29413517 DOI: 10.1016/bs.apha.2017.09.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In 1999, the enigma of the 18kDa mitochondrial translocator protein (TSPO), also known as the peripheral-type benzodiazepine receptor, was the seeming disparity of the many functions attributed to TSPO, ranging from the potential of TSPO acting as a housekeeping gene at molecular biological levels to adaptations to stress, and even involvement in higher emotional and cognitive functioning, such as anxiety and depression. In the years since then, knowledge regarding the many functions modulated by TSPO has expanded, and understanding has deepened. In addition, new functions could be firmly associated with TSPO, such as regulation of programmed cell death and modulation of gene expression. Interestingly, control by the mitochondrial TSPO over both of these life and death functions appears to include Ca++ homeostasis, generation of reactive oxygen species (ROS), and ATP production. Other mitochondrial functions under TSPO control are considered to be steroidogenesis and tetrapyrrole metabolism. As TSPO effects on gene expression and on programmed cell death can be related to the wide range of functions that can be associated with TSPO, several of these five elements of Ca++, ROS, ATP, steroids, and tetrapyrroles may indeed form the basis of TSPO's capability to operate as a multifunctional housekeeping gene to maintain homeostasis of the cell and of the whole multicellular organism.
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20
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Overexpression of the 18 kDa translocator protein (TSPO) in the hippocampal dentate gyrus produced anxiolytic and antidepressant-like behavioural effects. Neuropharmacology 2017; 125:117-128. [PMID: 28655607 DOI: 10.1016/j.neuropharm.2017.06.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 06/18/2017] [Accepted: 06/22/2017] [Indexed: 12/22/2022]
Abstract
The 18 kDa translocator protein (TSPO) is a five transmembrane domain protein that plays a crucial role in neurosteroid (e.g., allopregnanolone) synthesis by promoting the transport of cholesterol to the inner mitochondrial membrane. This protein is predominantly expressed in steroid-synthesizing tissues, including the central and peripheral nervous system, affecting stress-related disorders such as anxiety and depression. Recent studies have focused on the hippocampal dentate gyrus, which is very important for involvement of anxiety and depression. However, the exact role that TSPO plays in the pathophysiology of anxiety and depression and the involvement of the hippocampal dentate gyrus in regulating these behavioural effects remain elusive. This study used the lentiviral vectors mediating TPSO overexpression to assess the effects of TPSO overexpression in the hippocampal dentate gyrus on anxiolytic and antidepressant-like behavioural effects in mice. The expression of TSPO and the concentration of allopregnanolone in hippocampus tissues (3 mm in diameter around the injection site on both sides) were measured by Western blot and ELISA, respectively. The results indicated that microinjection of the LV-TSPO resulted in a significant increase in TSPO expression and allopregnanolone concentration in the hippocampus. Moreover, TSPO overexpression of the mouse hippocampal dentate gyrus generated significant anxiolytic and antidepressant-like behavioural effects in a series of behavioural models. These effects were completely blocked by the TSPO antagonist PK11195 (3 mg/kg, intraperitoneally) and the 5α-reductase inhibitor finasteride (5 mg/kg,intraperitoneally). Meanwhile, the increased allopregnanolone was also reversed by PK11195 and finasteride. In addition, neither PK11195 nor finasteride had an effect on the expression of TSPO. Overall, our results are the first to suggest that the overexpression of TSPO in the hippocampal dentate gyrus produced anxiolytic and antidepressant-like behavioural effects that are partially mediated by downstream allopregnanolone biosynthesis. Our results suggest that TSPO would be a potential anxiolytic and antidepressant therapeutic target.
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Elkamhawy A, Park JE, Hassan AH, Pae AN, Lee J, Park BG, Paik S, Do J, Park JH, Park KD, Moon B, Park WK, Cho H, Jeong DY, Roh EJ. Design, synthesis, biological evaluation and molecular modelling of 2-(2-aryloxyphenyl)-1,4-dihydroisoquinolin-3(2 H )-ones: A novel class of TSPO ligands modulating amyloid-β-induced mPTP opening. Eur J Pharm Sci 2017; 104:366-381. [DOI: 10.1016/j.ejps.2017.04.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 12/22/2022]
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