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Chen Q, Zhang J, Liu X, Xu K, Guo H, Li Y, Liang J, Li Y, Liang L. Exploring the protective effects of Qiju Granule in a rat model of dry age-related macular degeneration. Exp Gerontol 2024; 196:112556. [PMID: 39197675 DOI: 10.1016/j.exger.2024.112556] [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: 06/05/2024] [Revised: 08/12/2024] [Accepted: 08/21/2024] [Indexed: 09/01/2024]
Abstract
AIM The aim of this study was to evaluate the potential protective effect of Qiju Granule in a rat model of age-related macular degeneration (AMD) and investigate the underlying mechanisms involved. METHODS Rats were injected intravenously with 40 mg/kg of sodium iodate (SI) to induce a dry AMD model. The rats in the treatment group received three different doses of Qiju Granule once a day via gavage, while the rats in the control group were given an equal volume of physiological saline. On day 14 and day 28 following the intervention, various methods were employed to evaluate retinal function and structure, including electroretinography (ERG), optical coherence tomography (OCT), and histological examination. The expression of glial fibrillary acidic protein (GFAP), basic fibroblast growth factor (bFGF), brain-derived neurotrophic factor (BDNF), and ciliary neurotrophic factor (CNTF) was assessed via immunofluorescence. Beyond immunofluorescence, the mRNA levels of bFGF, BDNF, and CNTF were quantitatively determined using real-time polymerase chain reaction (qRT-PCR). RESULTS Rats treated with Qiju Granule exhibited significant improvements in both retinal function and structure compared to the model group. The most noteworthy effects were observed at a high dose of Qiju Granule. Furthermore, the expression levels of bFGF, BDNF, and CNTF were significantly unregulated in the treated groups compared to the model group. CONCLUSIONS Qiju Granule demonstrated a protective effect on the retina in the SI-induced rat model of AMD. The protective mechanism may be attributed to the upregulation of retinal neurotrophic factors expression.
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Affiliation(s)
- Qiang Chen
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Jing Zhang
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Xinyu Liu
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Kai Xu
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Huiyi Guo
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Yamin Li
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Jie Liang
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China
| | - Yanying Li
- Increasepharm (Beijing) Innovative Medicine Institute Limited, Beijing, China
| | - Lina Liang
- Laboratory of Eye Function, China Academy of Chinese Medical Sciences Eye hospital, Beijing, China.
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Puglisi-Allegra S, Lazzeri G, Busceti CL, Giorgi FS, Biagioni F, Fornai F. Lithium engages autophagy for neuroprotection and neuroplasticity: translational evidence for therapy. Neurosci Biobehav Rev 2023; 148:105148. [PMID: 36996994 DOI: 10.1016/j.neubiorev.2023.105148] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/23/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023]
Abstract
Here an overview is provided on therapeutic/neuroprotective effects of Lithium (Li+) in neurodegenerative and psychiatric disorders focusing on the conspicuous action of Li+ through autophagy. The effects on the autophagy machinery remain the key molecular mechanisms to explain the protective effects of Li+ for neurodegenerative diseases, offering potential therapeutic strategies for the treatment of neuropsychiatric disorders and emphasizes a crossroad linking autophagy, neurodegenerative disorders, and mood stabilization. Sensitization by psychostimulants points to several mechanisms involved in psychopathology, most also crucial in neurodegenerative disorders. Evidence shows the involvement of autophagy and metabotropic Glutamate receptors-5 (mGluR5) in neurodegeneration due to methamphetamine neurotoxicity as well as in neuroprotection, both in vitro and in vivo models. More recently, Li+ was shown to modulate autophagy through its action on mGluR5, thus pointing to an additional way of autophagy engagement by Li+ and to a substantial role of mGluR5 in neuroprotection related to neural e neuropsychiatry diseases. We propose Li+ engagement of autophagy through the canonical mechanisms of autophagy machinery and through the intermediary of mGluR5.
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Chronic Trazodone and Citalopram Treatments Increase Trophic Factor and Circadian Rhythm Gene Expression in Rat Brain Regions Relevant for Antidepressant Efficacy. Int J Mol Sci 2022; 23:ijms232214041. [PMID: 36430520 PMCID: PMC9698904 DOI: 10.3390/ijms232214041] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Trazodone is an efficacious atypical antidepressant acting both as an SSRI and a 5HT2A and 5HT2C antagonist. Antagonism to H1-histaminergic and alpha1-adrenergic receptors is responsible for a sleep-promoting action. We studied long-term gene expression modulations induced by chronic trazodone to investigate the molecular underpinning of trazodone efficacy. Rats received acute or chronic treatment with trazodone or citalopram. mRNA expression of growth factor and circadian rhythm genes was evaluated by qPCR in the prefrontal cortex (PFCx), hippocampus, Nucleus Accumbens (NAc), amygdala, and hypothalamus. CREB levels and phosphorylation state were evaluated using Western blotting. BDNF levels were significantly increased in PFCx and hippocampus by trazodone and in the NAc and hypothalamus by citalopram. Likewise, TrkB receptor levels augmented in the PFCx after trazodone and in the amygdala after citalopram. FGF-2 and FGFR2 levels were higher after trazodone in the PFCx. The CREB phosphorylation state was increased by chronic trazodone in the PFCx, hippocampus, and hypothalamus. Bmal1 and Per1 were increased by both antidepressants after acute and chronic treatments, while Per2 levels were specifically augmented by chronic trazodone in the PFCx and NAc, and by citalopram in the PFCx, amygdala, and NAc. These findings show that trazodone affects the expression of neurotrophic factors involved in antidepressant responses and alters circadian rhythm genes implicated in the pathophysiology of depression, thus shedding light on trazodone's molecular mechanism of action.
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Feng H, Xue M, Deng H, Cheng S, Hu Y, Zhou C. Ginsenoside and Its Therapeutic Potential for Cognitive Impairment. Biomolecules 2022; 12:1310. [PMID: 36139149 PMCID: PMC9496100 DOI: 10.3390/biom12091310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Cognitive impairment (CI) is one of the major clinical features of many neurodegenerative diseases. It can be aging-related or even appear in non-central nerve system (CNS) diseases. CI has a wide spectrum that ranges from the cognitive complaint with normal screening tests to mild CI and, at its end, dementia. Ginsenosides, agents extracted from a key Chinese herbal medicine (ginseng), show great promise as a new therapeutic option for treating CI. This review covered both clinical trials and preclinical studies to summarize the possible mechanisms of how ginsenosides affect CI in different diseases. It shows that ginsenosides can modulate signaling pathways associated with oxidative stress, apoptosis, inflammation, synaptic plasticity, and neurogenesis. The involved signaling pathways mainly include the PI3K/Akt, CREB/BDNF, Keap1/Nrf2 signaling, and NF-κB/NLRP3 inflammasome pathways. We hope to provide a theoretical basis for the treatment of CI for related diseases by ginsenosides.
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Affiliation(s)
- Hui Feng
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
| | - Mei Xue
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
| | - Hao Deng
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300073, China
| | - Shiqi Cheng
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang 330008, China
| | - Yue Hu
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
| | - Chunxiang Zhou
- School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
- School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210024, China
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Monoaminergic system involvement in the antidepressant-like and anxiolytic-like properties of novel β-dihydroagarofuran sesquiterpene alkaloid and triterpenes isolated from Gymnosporia heterophylla aerial parts in mice. Neurochem Int 2022; 158:105379. [PMID: 35724873 DOI: 10.1016/j.neuint.2022.105379] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/04/2022] [Accepted: 06/14/2022] [Indexed: 11/22/2022]
Abstract
Gymnosporia heterophylla (synonym Maytenus) is widely used in folk medicine for the treatment of various illness including neurological diseases. This study presents the antidepressant-like and anxiolytic-like effects of novel bioactive constituents; 3,4-seco-1-hydroxy-21-oxoolean-3,11-olide (A2), 1β,2β-diacetoxy-9β-benzoyloxy-6α-nicotinoyloxy-β-dihydroagarofuran (A5) as well as known 3-acetoxy-1β-hydroxyLupe-20(29)-ene (selective COX-2; A4) from the aerial parts of G. heterophylla. The antidepressant-like effect was studied using the forced swim test (FST) while the elevated plus maze test (EPMT) and open field test (OFT) were employed for anxiolytic-like effect. Acute treatment with A4 and A5 (0.5, 5 or 10 mg/kg) significantly reduced the duration of immobility and immobile episodes with prolongation of immobility latency in the FST with peak effects observed at 10 and 0.5 mg/kg, respectively. Moreover, antidepressant-like effect of A4 and A5 were relatively better than that of fluoxetine. Conversely, the pretreatment of mice with prazosin (1 mg/kg, α1-adrenoceptor antagonist), yohimbine (1 mg/kg; α2-adrenoceptor antagonist), or sulpiride (50 mg/kg; dopamine D2-receptor antagonist) reversed antidepressant-like effect of A4 and A5 but not WAY 100635 (10 mg/kg, i.p., selective 5-HT1A receptor antagonist), GR 127935 (5 mg/kg, i.p., selective 5-HT1B receptor antagonist), metergoline (4 mg/kg, i.p, non-selective 5-HT2 receptor antagonist), ketanserin (5 mg/kg, i.p., a selective 5-HT2A receptor antagonist) or p-chlorophenylalanine (pCPA) (100 mg/kg, i.p., tryptophan hydroxylase inhibitor) in the FST. Interestingly, A2, A4 and A5 significantly increased the time spent in the open arms of the EPM suggestive of anxiolytic-like action. Findings from this study showed that the novel β-dihydroagarofuran sesquiterpene alkaloid and triterpenes possesses antidepressant-like and anxiolytic-like effects through enhancement of monoaminergic signaling.
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Jyoti Dutta B, Singh S, Seksaria S, Das Gupta G, Bodakhe SH, Singh A. Potential role of IP3/Ca 2+ signaling and phosphodiesterases: Relevance to neurodegeneration in Alzheimer's disease and possible therapeutic strategies. Biochem Pharmacol 2022; 201:115071. [PMID: 35525328 DOI: 10.1016/j.bcp.2022.115071] [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: 01/20/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 11/02/2022]
Abstract
Despite large investments by industry and governments, no disease-modifying medications for the treatment of patients with Alzheimer's disease (AD) have been found. The failures of various clinical trials indicate the need for a more in-depth understanding of the pathophysiology of AD and for innovative therapeutic strategies for its treatment. Here, we review the rational for targeting IP3 signaling, cytosolic calcium dysregulation, phosphodiesterases (PDEs), and secondary messengers like cGMP and cAMP, as well as their correlations with the pathophysiology of AD. Various drugs targeting these signaling cascades are still in pre-clinical and clinical trials which support the ideas presented in this article. Further, we describe different molecular mechanisms and medications currently being used in various pre-clinical and clinical trials involving IP3/Ca+2 signaling. We also highlight various isoforms, as well as the functions and pharmacology of the PDEs broadly expressed in different parts of the brain and attempt to unravel the potential benefits of PDE inhibitors for use as novel medications to alleviate the pathogenesis of AD.
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Affiliation(s)
- Bhaskar Jyoti Dutta
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga-142001, Punjab, India
| | - Shamsher Singh
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga-142001, Punjab, India
| | - Sanket Seksaria
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga-142001, Punjab, India
| | - Ghanshyam Das Gupta
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga-142001, Punjab, India
| | - Surendra H Bodakhe
- Department of Pharmacy, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur - 495009, Chhattisgarh, India
| | - Amrita Singh
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga-142001, Punjab, India.
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van Rensburg D, Lindeque Z, Harvey BH, Steyn SF. Reviewing the mitochondrial dysfunction paradigm in rodent models as platforms for neuropsychiatric disease research. Mitochondrion 2022; 64:82-102. [DOI: 10.1016/j.mito.2022.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/22/2022] [Accepted: 03/15/2022] [Indexed: 12/19/2022]
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Naveed M, Li LD, Sheng G, Du ZW, Zhou YP, Nan S, Zhu MY, Zhang J, Zhou QG. Agomelatine: An astounding sui-generis antidepressant? Curr Mol Pharmacol 2021; 15:943-961. [PMID: 34886787 DOI: 10.2174/1874467214666211209142546] [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: 02/01/2021] [Revised: 05/09/2021] [Accepted: 06/25/2021] [Indexed: 11/22/2022]
Abstract
Major depressive disorder (MDD) is one of the foremost causes of disability and premature death worldwide. Although the available antidepressants are effective and well tolerated, they also have many limitations. Therapeutic advances in developing a new drug's ultimate relation between MDD and chronobiology, which targets the circadian rhythm, have led to a renewed focus on psychiatric disorders. In order to provide a critical analysis about antidepressant properties of agomelatine, a detailed PubMed (Medline), Scopus (Embase), Web of Science (Web of Knowledge), Cochrane Library, Google Scholar, and PsycInfo search was performed using the following keywords: melatonin analog, agomelatine, safety, efficacy, adverse effects, pharmacokinetics, pharmacodynamics, circadian rhythm, sleep disorders, neuroplasticity, MDD, bipolar disorder, anhedonia, anxiety, generalized anxiety disorder (GAD), and mood disorders. Agomelatine is a unique melatonin analog with antidepressant properties and a large therapeutic index that improves clinical safety. It is a melatonin receptor agonist (MT1 and MT2) and a 5-HT2C receptor antagonist. The effects on melatonin receptors enable the resynchronization of irregular circadian rhythms with beneficial effects on sleep architectures. In this way, agomelatine is accredited for its unique mode of action, which helps to exert antidepressant effects and resynchronize the sleep-wake cycle. To sum up, an agomelatine has not only antidepressant properties but also has anxiolytic effects.
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Affiliation(s)
- Muhammad Naveed
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Lian-Di Li
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Gang Sheng
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Zi-Wei Du
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Ya-Ping Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Sun Nan
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Ming-Yi Zhu
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Jing Zhang
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
| | - Qi-Gang Zhou
- Department of Clinical Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166. China
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Kadhim HJ, Kang SW, Kuenzel WJ. Possible roles of brain derived neurotrophic factor and corticotropin releasing hormone neurons in the nucleus of hippocampal commissure functioning within the avian neuroendocrine regulation of stress. Stress 2021; 24:590-601. [PMID: 34003076 DOI: 10.1080/10253890.2021.1929163] [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] [Indexed: 10/21/2022] Open
Abstract
Corticotropin releasing hormone (CRH) neurons located in the nucleus of hippocampal commissure (NHpC) have been proposed to be involved in the avian neuroendocrine regulation of stress and appeared to respond prior to CRH neurons in the hypothalamic paraventricular nucleus (PVN) when food deprivation stress was applied. Since the response of the NHpC was rapid and short-lived, was it regulated differentially from CRH neurons in the PVN? We, therefore, applied immobilization stress to test whether the NHpC response was stressor specific. Gene expression of CRH and stress-related genes in the NHpC, PVN, anterior pituitary (APit) as well as plasma corticosterone (CORT) were determined. Furthermore, brain derived neurotrophic factor (BDNF) and glucocorticoid receptor (GR) were examined regarding their possible roles in the regulation of CRH neurons. Data showed that rapid activation of CRH mRNA in the NHpC occurred and preceded a slower gene activation in the PVN, upregulation of proopiomelanocortin (POMC) transcripts in the APit and significant increases of CORT concentrations. Results suggested BDNF's role in negative feedback between CRH and CRHR1 in the NHpC and positive feedback between CRH and CRHR1 in the PVN. In the APit, V1bR activation appeared responsible for sustaining CORT release when stress persisted. Overall, data suggest that the NHpC functions as part of the HPA axis of birds and perhaps a comparable extra-hypothalamic structure occurs in other vertebrates.Lay SummaryThe nucleus of the hippocampal commissure, a structure outside of the hypothalamus, shows rapidly increased neural gene expression that appears to contribute to the early activation of the traditional hypothalamic-pituitary-adrenal (HPA) axis responsible for the production of stress hormones.
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Affiliation(s)
- Hakeem J Kadhim
- Cell and Molecular Biology (CEMB) Program, University of Arkansas, Fayetteville, AR, USA
- Vet. Medicine College, University of Thi-Qar, Thi-Qar, Iraq
| | - Seong W Kang
- Poultry Science (POSC), University of Arkansas, Fayetteville, AR, USA
| | - Wayne J Kuenzel
- Poultry Science (POSC), University of Arkansas, Fayetteville, AR, USA
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Genome wide analysis implicates upregulation of proteasome pathway in major depressive disorder. Transl Psychiatry 2021; 11:409. [PMID: 34321460 PMCID: PMC8319154 DOI: 10.1038/s41398-021-01529-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 02/27/2021] [Accepted: 06/21/2021] [Indexed: 12/02/2022] Open
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Lee Y, Kim KH, Lee BH, Kim YK. Plasma level of brain-derived neurotrophic factor (BDNF) in patients with postpartum depression. Prog Neuropsychopharmacol Biol Psychiatry 2021; 109:110245. [PMID: 33444650 DOI: 10.1016/j.pnpbp.2021.110245] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 12/23/2020] [Accepted: 01/07/2021] [Indexed: 11/19/2022]
Abstract
Postpartum depression occurs in 10-15% of mothers. Brain-derived neurotrophic factor (BDNF) is a nerve growth factor that plays a role in neuroplasticity. We hypothesized that the concentration of BDNF is related to reproduction and childbirth, and that women with postpartum depression show alteration in BDNF level. A total of 104 pregnant women was selected as subjects, and 60 non-pregnant women were selected as normal controls. Symptoms of depression were evaluated in the pregnant study subjects using the diagnostic criteria outlined in the Edinburgh Postnatal Depression Scale (EPDS). The pregnant subjects were divided into three groups of perinatal non-depressed controls (n = 61), postpartum depression-recovery (n = 18), and postpartum depression (n = 25). The plasma concentration of BDNF was higher in the pregnant group than in non-pregnant controls and lower in the postpartum depression group at 6 weeks after delivery than in the perinatal non-depressed group. In the postpartum depression-recovery group, the BDNF concentration increased at 6 weeks after delivery compared to that at 24 weeks of gestation. This study found significant changes in plasma BDNF concentration in depressed pregnant women.
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Affiliation(s)
- Younjung Lee
- Department of Psychiatry, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
| | - Kye-Hyun Kim
- Department of Obstetrics & Gynecology, KangBuk Samsung Hospital, College of Medicine, Sungkyunkwan University, Seoul, Republic of Korea
| | - Bun-Hee Lee
- Maum & Maum Psychiatric Clinic, Seoul 02566, Republic of Korea
| | - Yong-Ku Kim
- Department of Psychiatry, Korea University Ansan Hospital, Korea University College of Medicine, Ansan 15355, Republic of Korea.
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Kukuia KKE, Mensah JA, Amoateng P, Osei-Safo D, Koomson AE, Torbi J, Adongo DW, Ameyaw EO, Ben IO, Amponsah SK, Bugyei KA, Asiedu-Gyekye IJ. Glycine/NMDA Receptor Pathway Mediates the Rapid-onset Antidepressant Effect of Alkaloids From Trichilia Monadelpha. Basic Clin Neurosci 2021; 12:395-408. [PMID: 34917298 PMCID: PMC8666917 DOI: 10.32598/bcn.12.3.2838.1] [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: 08/18/2020] [Revised: 10/26/2020] [Accepted: 12/07/2020] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Major depressive disorder is often associated with suicidal tendencies, and this condition accentuates the need for rapid-acting antidepressants. We previously reported that Alkaloids (ALK) from Trichilia monadelpha possess antidepressant action in acute animal models of depression and that this effect is mediated through the monoamine and L-arginine-NO-cGMP pathways. This study investigated the possible rapid-onset antidepressant effect of ALK from T. monadelpha and its connection with the glycine/NMDA receptor pathway. METHODS The onset of ALK action from T. monadelpha was evaluated using the Open Space Swim Test (OSST), a chronic model of depression. The modified forced swimming and tail suspension tests were used to assess the effect of the ALK on the glycine/NMDA receptor pathway. The Instutute of Cancer Research (ICR) mice were treated with either ALK (30-300 mg/kg, orally [PO]), imipramine (3-30 mg/kg, PO), fluoxetine (3-30 mg/kg, PO), or saline. To identify the role of glycine/NMDA receptor pathway in the effect of ALK, we pretreated mice with a partial agonist of the glycine/NMDA receptor, D-cycloserine (2.5 mg/kg, intraperitoneally [IP]), and an agonist of glycine/NMDA receptor, D-serine (600 mg/kg, IP), before ALK administration. RESULTS ALK reversed immobility in mice after the second day of drug treatment in the OSST. In contrast, there was a delay in the effects induced by fluoxetine and imipramine. ALK also increased mean swimming and climbing scores in mice. ALK was more efficacious than imipramine and fluoxetine in reducing immobility and increasing distance traveled. It is noteworthy that ALK was less potent than fluoxetine and imipramine. D-cycloserine potentiated mobility observed in the ALK- and fluoxetine-treated mice. In contrast, D-serine decreased mobility in the ALK-treated mice. CONCLUSION The study results suggest that ALK from T. monadelpha exhibits rapid antidepressant action in mice, and the glycine/NMDA receptor pathway possibly mediates the observed effect.
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Affiliation(s)
- Kennedy Kwami Edem Kukuia
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
- Corresponding Author:Kennedy Kwami Edem Kukuia, PhD., Address: Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana., Tel: +233 (20) 4608498, E-mail:;
| | - Jeffrey Amoako Mensah
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Utah, Salt Lake City, UT, U.S. A
| | - Patrick Amoateng
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Dorcas Osei-Safo
- Department of Chemistry, School of Physical and Mathematical Sciences, College of Basic and Applied Sciences, University of Ghana, Legon-Accra, Ghana
| | - Awo Efua Koomson
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Joseph Torbi
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
| | - Donatus Wewura Adongo
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Elvis Ofori Ameyaw
- Department of Pharmacology, School of Pharmacy and Pharmaceutical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Inemesit Okon Ben
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | - Seth Kwabena Amponsah
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
| | - Kwasi Agyei Bugyei
- Department of Medical Pharmacology, University of Ghana Medical School, College of Health Sciences, University of Ghana, Korle Bu-Accra, Ghana
| | - Isaac Julius Asiedu-Gyekye
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon-Accra, Ghana
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Zhang Y, Luo Y, Zhang D, Pang B, Wen J, Zhou T. Predicting a Potential Link to Antidepressant Effect: Neuroprotection of Zhi-zi-chi Decoction on Glutamate-induced Cytotoxicity in PC12 Cells. Front Pharmacol 2021; 11:625108. [PMID: 33569009 PMCID: PMC7868552 DOI: 10.3389/fphar.2020.625108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/24/2020] [Indexed: 12/28/2022] Open
Abstract
Zhi-zi-chi Decoction (ZZCD), composed of Fructus Gardeniae (Zhizi in Chinese, ZZ in brief) and Semen sojae praeparatum (Dandouchi in Chinese, DDC in brief), has been used as a drug therapy for depression for thousands of years in China. However, the antidepressant mechanism of ZZCD still remains unknown. This study was aimed at exploring antidepressant effects of ZZCD from the aspect of neuroprotection based on herb compatibility. Glutamate-treated PC12 cells and chronic unpredictable mild stress (CUMS)-induced rats were established as models of depression in vitro and in vivo respectively. Cell viability, lactate dehydrogenase (LDH), apoptosis rate, reactive oxygen species (ROS), glutathione reductase (GR) and superoxide dismutase (SOD), and the expressions of Bax, Bcl-2 and cyclic adenosine monophosphate-response element binding protein (CREB) were measured to compare neuroprotection among single herbs and the formula in vitro. Behavior tests were conducted to validate antidepressant effects of ZZCD in vivo. Results showed that the compatibility of ZZ and DDC increased cell viability and activities of GR and SOD, and decreased the levels of LDH, apoptosis cells and ROS. Besides, the expressions of Bcl-2 and CREB were up-regulated while that of Bax was down-regulated by ZZCD. Furthermore, the compatibility of ZZ and DDC reversed abnormal behaviors in CUMS-induced rats and displayed higher efficacy than any of the single herbs. This study revealed that the antidepressant effects of ZZCD were closely associated with neuroprotection and elucidated synergistic effects of the compatibility of ZZ and DDC based on it.
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Affiliation(s)
- Yin Zhang
- School of Pharmacy, Second Military Medical University, Shanghai, China.,Shanghai Key Laboratory for Pharmaceutical Metabolite Research, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Yusha Luo
- School of Pharmacy, Second Military Medical University, Shanghai, China.,Shanghai Key Laboratory for Pharmaceutical Metabolite Research, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Dongqi Zhang
- School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Bo Pang
- School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Jun Wen
- School of Pharmacy, Second Military Medical University, Shanghai, China.,Shanghai Key Laboratory for Pharmaceutical Metabolite Research, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Tingting Zhou
- School of Pharmacy, Second Military Medical University, Shanghai, China.,Shanghai Key Laboratory for Pharmaceutical Metabolite Research, School of Pharmacy, Second Military Medical University, Shanghai, China
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14
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The Role of Neurotrophic Factors in Pathophysiology of Major Depressive Disorder. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1305:257-272. [PMID: 33834404 DOI: 10.1007/978-981-33-6044-0_14] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
According to the neurotrophic hypothesis of major depressive disorder (MDD), impairment in growth factor signaling might be associated with the pathology of this illness. Current evidence demonstrates that impaired neuroplasticity induced by alterations of neurotrophic growth factors and related signaling pathways may be underlying to the pathophysiology of MDD. Brain-derived neurotrophic factor (BDNF) is the most studied neurotrophic factor involved in the neurobiology of MDD. Nevertheless, developing evidence has implicated other neurotrophic factors, including neurotrophin-3 (NT-3), neurotrophin-4 (NT-4), nerve growth factor (NGF), vascular endothelial growth factor (VEGF), insulin-like growth factor (IGF), glial cell-derived neurotrophic factor (GDNF), and fibroblast growth factor (FGF) in the MDD pathophysiology. Here, we summarize the current literature on the involvement of neurotrophic factors and related signaling pathways in the pathophysiology of MDD.
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15
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Zheng W, Zhou YL, Liu WJ, Wang CY, Zhan YN, Lan XF, Zhang B, Ning YP. A preliminary study of adjunctive ketamine for treatment-resistant bipolar depression. J Affect Disord 2020; 275:38-43. [PMID: 32658821 DOI: 10.1016/j.jad.2020.06.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/10/2020] [Accepted: 06/22/2020] [Indexed: 01/02/2023]
Abstract
OBJECTIVES Ketamine has shown rapid antidepressant effects in depressed patients. However, the antidepressant and antisuicidal effects of repeated ketamine infusions in patients with treatment-resistant bipolar depression (TRBD) are not known. METHODS TRBD patients received six intravenous infusions of 0.5 mg/kg ketamine over 40 min on a Monday-Wednesday-Friday schedule during a 12-day period followed by a 2-week follow-up period. Depressive symptoms were measured by the Montgomery-Asberg Depression Rating Scale (MADRS) at baseline and at each follow-up visit. RESULTS Nineteen patients with TRBD were enrolled in the study, and 16 patients (84.2%) received all six ketamine infusions. After the first infusion, the rates of response and remission were 21.1% (95% CI: 0.9 to 21.2) and 15.8% (95% CI: 0 to 33.9), respectively, and after the sixth infusion, the rates of response and remission were 73.7% (95% CI: 51.9 to 95.5) and 63.2% (95% CI: 39.3 to 87.0), respectively. The average times for nineteen patients who responded and remitted were 9.1 and 12.5 days, respectively. There were large decreases in the scores on the MADRS and the Scale for Suicidal Ideation-part 1 within 4 h after the first infusion, and the decreases were maintained across subsequent infusions. There were no significant increases in dissociative and psychotomimetic symptoms as measured by the Clinician-Administered Dissociative States Scale (CADSS) and the Brief Psychiatric Rating Scale (BPRS)-4 items, respectively. CONCLUSION These pilot findings suggest the feasibility of repeated ketamine infusions at subanaesthetic doses for patients with TRBD. Future controlled studies are needed to confirm and expand these findings.
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Affiliation(s)
- Wei Zheng
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Yan-Ling Zhou
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Wei-Jian Liu
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Cheng-Yu Wang
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Yan-Ni Zhan
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Xiao-Feng Lan
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Bin Zhang
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China
| | - Yu-Ping Ning
- The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital), Guangzhou, China; The first School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China.
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16
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Blues in the Brain and Beyond: Molecular Bases of Major Depressive Disorder and Relative Pharmacological and Non-Pharmacological Treatments. Genes (Basel) 2020; 11:genes11091089. [PMID: 32961910 PMCID: PMC7564223 DOI: 10.3390/genes11091089] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/14/2020] [Accepted: 09/17/2020] [Indexed: 02/07/2023] Open
Abstract
Despite the extensive research conducted in recent decades, the molecular mechanisms underlying major depressive disorder (MDD) and relative evidence-based treatments remain unclear. Various hypotheses have been successively proposed, involving different biological systems. This narrative review aims to critically illustrate the main pathogenic hypotheses of MDD, ranging from the historical ones based on the monoaminergic and neurotrophic theories, through the subsequent neurodevelopmental, glutamatergic, GABAergic, inflammatory/immune and endocrine explanations, until the most recent evidence postulating a role for fatty acids and the gut microbiota. Moreover, the molecular effects of established both pharmacological and non-pharmacological approaches for MDD are also reviewed. Overall, the existing literature indicates that the molecular mechanisms described in the context of these different hypotheses, rather than representing alternative ones to each other, are likely to contribute together, often with reciprocal interactions, to the development of MDD and to the effectiveness of treatments, and points at the need for further research efforts in this field.
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17
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Carnevali L, Statello R, Vacondio F, Ferlenghi F, Spadoni G, Rivara S, Mor M, Sgoifo A. Antidepressant-like effects of pharmacological inhibition of FAAH activity in socially isolated female rats. Eur Neuropsychopharmacol 2020; 32:77-87. [PMID: 31948828 DOI: 10.1016/j.euroneuro.2019.12.119] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 12/18/2019] [Accepted: 12/24/2019] [Indexed: 12/24/2022]
Abstract
Pharmacological inhibition of the enzyme fatty acid amide hydrolase (FAAH), which terminates signaling of the endocannabinoid N-arachidonoylethanolamine (or anandamide, AEA), exerts favourable effects in rodent models of stress-related depression. Yet although depression seems to be more common among women than men and in spite of some evidence of sex differences in treatment efficacy, preclinical development of FAAH inhibitors for the pharmacotherapy of stress-related depression has been predominantly conducted in male animals. Here, adult female rats were exposed to six weeks of social isolation and, starting from the second week, treated with the FAAH inhibitor URB694 (0.3 mg/kg/day, i.p.) or vehicle. Compared to pair-housed females, socially isolated female rats treated with vehicle developed behavioral (mild anhedonia, passive stress coping) and physiological (reduced body weight gain, elevated plasma corticosterone levels) alterations. Moreover, prolonged social isolation provoked a reduction in brain-derived neurotrophic factor (BDNF) and AEA levels within the hippocampus. Together, these changes are indicative of an increased risk of developing a depressive-like state. Conversely, pharmacological inhibition of FAAH activity with URB694 restored both AEA and BDNF levels within the hippocampus of socially isolated rats and prevented the development of behavioral and physiological alterations. These results suggest a potential interplay between AEA-mediated signaling and hippocampal BDNF in the pathogenesis of depression-relevant behaviors and physiological alterations and antidepressant action of FAAH inhibition in socially isolated female rats.
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Affiliation(s)
- Luca Carnevali
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy.
| | - Rosario Statello
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy
| | | | | | - Gilberto Spadoni
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Silvia Rivara
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Marco Mor
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Andrea Sgoifo
- Stress Physiology Lab, Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy.
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18
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Lorenz TK. Antidepressant Use During Development May Impair Women's Sexual Desire in Adulthood. J Sex Med 2020; 17:470-476. [PMID: 31937517 PMCID: PMC7197954 DOI: 10.1016/j.jsxm.2019.12.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 11/15/2019] [Accepted: 12/07/2019] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Although antidepressants are well known to cause sexual side effects in adults, the long-term effects of antidepressant use during development on adult sexual function is unknown. AIM To explore differences in sexual desire and sexual behavior between adults who did vs did not use antidepressants during childhood or adolescence. METHODS An online survey of 610 young adults (66% women) assessed childhood and current mental health and use of antidepressants and other psychiatric medications before the age of 16 years and currently, partnered and solitary sexual desire, and frequency of masturbation and partnered sexual activity. Antidepressants were coded into either selective serotonin reuptake inhibitors (SSRIs) or non-SSRI antidepressants. MAIN OUTCOME MEASURE Scores on the Sexual Desire Inventory, and self-reported frequency of masturbation and partnered sexual activity. RESULTS For women, childhood SSRI use was associated with significantly lower solitary sexual desire, desire for an attractive other, and frequency of masturbation. This was true even when controlling for childhood mental health concerns, current mental health, and current antidepressant use. However, there was no effect of childhood SSRI use on women's partnered sexual desire or partnered sexual activity. There was no significant effect of childhood antidepressant use on men's sexual desire or masturbation. However, in men, childhood use of non-SSRI antidepressants was associated with significantly higher frequency of partnered sexual activity. Childhood use of non-SSRI antidepressants, or nonantidepressant psychiatric medication, was not associated with adult sexual desire or behavior in either women or men. CLINICAL IMPLICATIONS It is possible that SSRI use during childhood interrupts the normal development of sexual reward systems, which may be a risk factor for sexual desire dysfunction in adult women. STRENGTHS & LIMITATIONS Strengths include a large sample, use of attention checks and validated measures, and careful assessment of childhood mental health history; however, generalizability is limited by a predominantly white, young adult sample. These data are cross-sectional, and therefore, causal explanations for the association between childhood SSRI use and adult sexual well-being should be considered preliminary, warranting replication. CONCLUSION These findings point to a critical need for well-controlled, prospective research on possible long-term effects of antidepressant use, particularly SSRI use, on the development of adult sexual well-being. Lorenz TK. Antidepressant Use During Development May Impair Women's Sexual Desire in Adulthood. J Sex Med 2020;17:470-476.
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Affiliation(s)
- Tierney K Lorenz
- Department of Psychology and Center for Brain, Biology and Behavior, University of Nebraska-Lincoln, Lincoln, NE.
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19
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Chen C, Dong Y, Liu F, Gao C, Ji C, Dang Y, Ma X, Liu Y. A Study of Antidepressant Effect and Mechanism on Intranasal Delivery of BDNF-HA2TAT/AAV to Rats with Post-Stroke Depression. Neuropsychiatr Dis Treat 2020; 16:637-649. [PMID: 32184603 PMCID: PMC7061423 DOI: 10.2147/ndt.s227598] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 01/21/2020] [Indexed: 11/23/2022] Open
Abstract
AIM Post-stroke depression (PSD) is one of the most frequent neuropsychiatric disorders associated with stroke characterized by depression. The neuroplasticity hypothesis postulates that loss of brain-derived neurotrophic factor (BDNF) plays a major role in pathophysiology of PSD, and restoration of it may represent a critical mechanism underlying antidepressant efficacy. METHODS In previous studies, we designed a new fusion gene, HA2TAT-BDNF, and cloned it into adenovirus associated virus (AAV) to construct the BDNF-HA2TAT/AAV for the delivery of BDNF to central nervous system (CNS) via nose-brain pathway. In this study, we used it to explore the antidepressant effects on PSD rats through behavioral and various histological methods, and try to find out its specific mechanism. RESULTS Compared with the control group, the PSD+AAV group showed decreased sucrose consumption percentage in the sucrose preference test (SPT) (P < 0.001) and prolonged immobility in the forced swimming test (FST) (P=0.000). However, the nasal administration of BDNF-HA2TAT/AAV reversed results of these two behavioral tests (P>0.05, P >0.05), showing an adequate antidepressant effect. Compared with the control group, the concentrations of BDNF mRNA and protein in the hippocampus (P< 0.05, P < 0.01) and prefrontal cortex (P < 0.01, P < 0.01) of PSD rats both decreased. Increased BDNF mRNA and protein expression was observed in the prefrontal cortex (P > 0.05, P < 0.05), without notable change in the hippocampus (P < 0.05, P < 0.001) of PSD+BDNF rats. CONCLUSION These results suggest that BDNF reductions in the prefrontal cortex and hippocampus are associated with the development of post-stroke depression, and that increased levels of BDNF in the prefrontal cortex could be used as a therapeutic target to treat PSD. However, the exact mechanism of BDNF action remains unclear in this regard, hindering the wider application of our method. We expect that our research could facilitate the exploration of pathogenesis and the new treatment method of PSD.
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Affiliation(s)
- Ce Chen
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Yingying Dong
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Fei Liu
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an 710004, Shaanxi, People's Republic of China
| | - Chengge Gao
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Cui Ji
- The Hospital of Xidian University, Xi'an 710071, Shaanxi, People's Republic of China
| | - Yonghui Dang
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, People's Republic of China
| | - Xiancang Ma
- Department of Psychiatry, First Affiliated Hospital of Medical College Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
| | - Yong Liu
- The Institute of Neurobiology, Xi'an Jiaotong University, Xi'an 710061, Shaanxi, People's Republic of China
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Chottekalapanda RU, Kalik S, Gresack J, Ayala A, Gao M, Wang W, Meller S, Aly A, Schaefer A, Greengard P. AP-1 controls the p11-dependent antidepressant response. Mol Psychiatry 2020; 25:1364-1381. [PMID: 32439846 PMCID: PMC7303013 DOI: 10.1038/s41380-020-0767-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 04/10/2020] [Accepted: 04/28/2020] [Indexed: 01/10/2023]
Abstract
Selective serotonin reuptake inhibitors (SSRIs) are the most widely prescribed drugs for mood disorders. While the mechanism of SSRI action is still unknown, SSRIs are thought to exert therapeutic effects by elevating extracellular serotonin levels in the brain, and remodel the structural and functional alterations dysregulated during depression. To determine their precise mode of action, we tested whether such neuroadaptive processes are modulated by regulation of specific gene expression programs. Here we identify a transcriptional program regulated by activator protein-1 (AP-1) complex, formed by c-Fos and c-Jun that is selectively activated prior to the onset of the chronic SSRI response. The AP-1 transcriptional program modulates the expression of key neuronal remodeling genes, including S100a10 (p11), linking neuronal plasticity to the antidepressant response. We find that AP-1 function is required for the antidepressant effect in vivo. Furthermore, we demonstrate how neurochemical pathways of BDNF and FGF2, through the MAPK, PI3K, and JNK cascades, regulate AP-1 function to mediate the beneficial effects of the antidepressant response. Here we put forth a sequential molecular network to track the antidepressant response and provide a new avenue that could be used to accelerate or potentiate antidepressant responses by triggering neuroplasticity.
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Affiliation(s)
- Revathy U. Chottekalapanda
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Salina Kalik
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Jodi Gresack
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Alyssa Ayala
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Melanie Gao
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Wei Wang
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Sarah Meller
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Ammar Aly
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
| | - Anne Schaefer
- 0000 0001 0670 2351grid.59734.3cFriedman Brain Institute, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY 10029 USA
| | - Paul Greengard
- 0000 0001 2166 1519grid.134907.8Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, NY 10065 USA
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Metformin ameliorates stress-induced depression-like behaviors via enhancing the expression of BDNF by activating AMPK/CREB-mediated histone acetylation. J Affect Disord 2020; 260:302-313. [PMID: 31521867 DOI: 10.1016/j.jad.2019.09.013] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 07/22/2019] [Accepted: 09/02/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Metformin, a first-line antiglycemic drug, has been reported to have anti-depressant effects in patients with type 2 diabetes; however, its exact role and underlying mechanism still need to be investigated. METHOD C57BL/6J mice were subjected to the Chronic social defeat stress (SDS) and drug administration (Control + Vehicle, SDS + Vehicle, SDS + MET (200 mg kg-1), SDS + FLUOX (3 mg kg-1), SDS + MET + FLUOX). And the depression phenotypes were evaluated by the sucrose preference test, social interaction, tail suspension test and forced swimming test. The potential mechanisms underlying the effects of metformin on depression was discussed by using Chromatin immunoprecipitation, Quantitative real-time PCR mRNA expression analysis and Western blot in vivo and in primary cultured hippocampal neurons. RESULT The metformin treatment counteracted the development of depression-like behaviors in mice suffering SDS when administered alone and enhanced the anti-depressant effect of fluoxetine when combined with fluoxetine. Further RNA sequencing analysis revealed that metformin treatment prevented the transcriptional changes in the medial prefrontal cortex (mPFC) of the animals and Golgi staining indicated favorable morphological changes in the neurite plasticity of CA1 pyramidal neurons, which approximated to those found in unstressed mice. At a molecular level, metformin significantly upregulated the expression of the brain-derived neurotrophic factor (BDNF) by increasing the histone acetylation along with the BDNF promoter, which was attributed to the activation of AMP-activated protein kinase (AMPK) and cAMP-response element binding protein (CREB). CONCLUSION Our findings suggest that metformin can produce antidepressant effects, which provides empirical insights into the clinical value of metformin in the prevention and therapy of depression.
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Manners MT, Brynildsen JK, Schechter M, Liu X, Eacret D, Blendy JA. CREB deletion increases resilience to stress and downregulates inflammatory gene expression in the hippocampus. Brain Behav Immun 2019; 81:388-398. [PMID: 31255680 PMCID: PMC6754757 DOI: 10.1016/j.bbi.2019.06.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/05/2019] [Accepted: 06/22/2019] [Indexed: 01/22/2023] Open
Abstract
The transcription factor CREB (cyclic AMP response element (CRE)-binding protein) is implicated in the pathophysiology and treatment of depression. Structural and functional studies in both animals and humans suggest that abnormalities of the hippocampus may play a role in depression. CREB regulates thousands of genes, yet to date, only a handful that mediate depression or antidepressant response have been identified as relevant CREB targets. In order to comprehensively identify genes regulated by CREB in the hippocampus, we employed translating ribosome affinity purification (TRAP) to detect actively translating mRNAs in wild type and CREB-deficient mice. Using CrebloxP/loxP; RosaLSL-GFP-L10a mice, we conducted whole genome sequencing to identify transcripts only in cells that lack CREB, as introduction of Cre-recombinase simultaneously deleted CREB and expressed GFP-tagged L10a ribosomes that enabled TRAP. We identified over 200 downregulated genes predominantly associated with inflammation and the immune system, including toll-like receptor 1 (TLR1). To determine if baseline disruption in gene expression in the hippocampus of CREB-deficient mice can modulate behavior, we used unpredictable chronic mild stress (UCMS) to produce a set of behavioral alterations with strong validity for depression. We found that CREB-deficient mice demonstrated resilience to the physiological effects of UCMS and also showed changes in affective behaviors specifically in the presence of stress. TLR1 expression was increased following UCMS in control but not in CREB-deficient mice. The results suggest that CREB-mediated regulation of immune system and inflammatory factors may provide additional targets for the treatment of depression.
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Affiliation(s)
- Melissa T. Manners
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Julia K. Brynildsen
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Max Schechter
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Xin Liu
- Biological Basis of Behavior, College of Arts and Sciences, University of Pennsylvania, Philadelphia, PA, USA
| | - Darrell Eacret
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Julie A. Blendy
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA,Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA,Corresponding author at: Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Translational Research Laboratory, 125 South 31 Street, Philadelphia, PA 19104, United States.,
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Mallei A, Ieraci A, Corna S, Tardito D, Lee FS, Popoli M. Global epigenetic analysis of BDNF Val66Met mice hippocampus reveals changes in dendrite and spine remodeling genes. Hippocampus 2019; 28:783-795. [PMID: 30067287 DOI: 10.1002/hipo.22991] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 05/15/2018] [Accepted: 05/24/2018] [Indexed: 12/28/2022]
Abstract
Brain-derived neurotrophic factor (BDNF), a neurotrophin highly expressed in the hippocampus, plays crucial roles in cognition, neuroplasticity, synaptic function, and dendritic remodeling. The common human Val66Met polymorphism of BDNF has been implicated in the pathophysiology of neuropsychiatric and neurodegenerative disorders, and in the outcome of pro-adaptive and therapeutic treatments. Altered gene-expression profile has been previously shown in BDNF Val66Met knock-in mice, which recapitulate the phenotypic hallmarks of individuals carrying the BDNF Met allele. The aim of this study was to investigate the impact of the BDNF Val66Met polymorphism in the knock-in mouse model on two hippocampal epigenetic marks for transcriptional repression and activation, respectively: trimethylation of lysine 27 on histone H3 (H3K27me3) and acetylation of histone H3 (AcH3), using a genome-wide approach. Chromatin immunoprecipitation followed by deep sequencing of immunoprecipitated DNA (ChIP-Seq) was carried out with specific antibodies for H3K27me3 and AcH3. Our results revealed broad alteration of H3K27me3 and AcH3 marks association profiles in BDNFMet/Met , compared to BDNFVal/Val mice. Bioinformatics analysis showed changes in several biological functions and related pathways, affected by the presence of the polymorphism. In particular, a number of networks of functional interaction contained BDNF as central node. Quantitative PCR analysis confirmed epigenetically related significant changes in the expression of five genes: Dvl1, Nos3, Reln, Lypd6, and Sh3gl2. The first three are involved in dendrite and spine remodeling, morphological features altered in BDNFMet/Met mice. This work in homozygous knock-in mice shows that the human BDNF Val66Met polymorphism induces an array of histone H3 epigenetic modifications, in turn altering the expression of select genes crucial for structural and functional neuronal features.
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Affiliation(s)
- Alessandra Mallei
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and CEND, Università degli Studi di Milano, Milan, Italy
| | - Alessandro Ieraci
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and CEND, Università degli Studi di Milano, Milan, Italy
| | - Stefano Corna
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and CEND, Università degli Studi di Milano, Milan, Italy
| | - Daniela Tardito
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and CEND, Università degli Studi di Milano, Milan, Italy
| | - Francis S Lee
- Department of Psychiatry, Weill Cornell Medical College of Cornell University, New York, New York
| | - Maurizio Popoli
- Laboratory of Neuropsychopharmacology and Functional Neurogenomics, Dipartimento di Scienze Farmacologiche e Biomolecolari and CEND, Università degli Studi di Milano, Milan, Italy
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Guo J, Cui L, Lu Q, Zhang Y, Liu Q, Wang X, Wang Y, Liu Z, Yuan Z, Dai M. Cyadox regulates the transcription of different genes by activation of the PI3K signaling pathway in porcine primary hepatocytes. J Cell Biochem 2019; 120:7623-7634. [PMID: 30417433 DOI: 10.1002/jcb.28037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 10/15/2018] [Indexed: 01/24/2023]
Abstract
Cyadox, a new derivative of quinoxalines, has been ascertained as an antibiotic with significant growth promoting, low poison, quick absorption, swift elimination, brief residual period, and noncumulative effect. Seven differential expressed genes, including Insulin-like Growth Factor-1 ( IGF-1), Epidermal Growth Factor ( EGF), Poly ADP-ribose polymerase ( PARP), the Defender Against Apoptotic Death 1 ( DAD1), Complement Component 3 ( C3), Transketolase ( TK) and a New gene, were induced by cyadox in swine liver tissues by messenger RNA differential display reverse transcription polymerase chain reaction (DDRT-PCR) in our laboratory. However, the signal mechanism that cyadox altered these genes expression is not completely elucidated. The signaling pathways involved in the expressions of seven genes induced by cyadox were determined in porcine primary hepatocytes by RT-qPCR and the application of various signal pathway inhibitors. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay revealed that cyadox could stimulate proliferation of porcine primary hepatocytes in a time-dependent manner. In porcine primary cultured hepatocytes, phosphoinositide 3-kinase (PI3K) and transforming growth factor-β (TGF-β) signal pathways were the main signal pathways involved in the expressions of seven genes induced by cyadox. Taken together, these results demonstrate for the first time that seven cyadox-related genes expressions in porcine primary hepatocytes treated with cyadox are mediated mainly through the PI3K signaling pathway, potentially leading to enhanced cell growth and cell immunity. EGF might be the early response gene of cyadox, and a primary regulator of the other gene expressions such as IGF-1 and DAD1, playing an important role in cell proliferation promoted by cyadox.
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Affiliation(s)
- Ju Guo
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Luqing Cui
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Qirong Lu
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Yinfeng Zhang
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Qianying Liu
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Xu Wang
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Yulian Wang
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Zhenli Liu
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Zonghui Yuan
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Menghong Dai
- MOA Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
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25
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Dominguez G, Henkous N, Prevot T, David V, Guillou JL, Belzung C, Mons N, Béracochéa D. Sustained corticosterone rise in the prefrontal cortex is a key factor for chronic stress-induced working memory deficits in mice. Neurobiol Stress 2019; 10:100161. [PMID: 31309134 PMCID: PMC6607320 DOI: 10.1016/j.ynstr.2019.100161] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 04/01/2019] [Accepted: 04/01/2019] [Indexed: 11/25/2022] Open
Abstract
Exposure to prolonged, unpredictable stress leads to glucocorticoids-mediated long-lasting neuroendocrine abnormalities associated with emotional and cognitive impairments. Excessive levels of serum glucocorticoids (cortisol in humans, corticosterone in rodents) contribute notably to deficits in working memory (WM), a task which heavily relies on functional interactions between the medial prefrontal cortex (PFC) and the dorsal hippocampus (dHPC). However, it is unknown whether stress-induced increases in plasma corticosterone mirror corticosterone levels in specific brain regions critical for WM. After a 6 week-UCMS exposure, C57BL/6 J male mice exhibited increased anxiety- and depressive-like behaviors when measured one week later and displayed WM impairments timely associated with increased plasma corticosterone response. In chronically stressed mice, basal phosphorylated/activated CREB (pCREB) was markedly increased in the PFC and the CA1 area of the dHPC and WM testing did not elicit any further increase in pCREB in the two regions. Using microdialysis samples from freely-moving mice, we found that WM testing co-occurred with a rapid and sustained increase in corticosterone response in the PFC while there was a late, non-significant rise of corticosterone in the dHPC. The results also show that non-stressed mice injected with corticosterone (2 mg/kg i.p.) before WM testing displayed behavioral and molecular alterations similar to those observed in stressed animals while a pre-WM testing metyrapone injection (35 mg/kg i.p.), a corticosterone synthesis inhibitor, prevented the effects of UCMS exposure. Overall, the abnormal regional increase of corticosterone concentrations mainly in the PFC emerges as a key factor of enduring WM dysfunctions in UCMS-treated animals.
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Affiliation(s)
- Gaelle Dominguez
- Université de Bordeaux, CNRS UMR 5287, 33615, Pessac, France.,Université François Rabelais, Inserm U930, Parc Grandmont, 37200, Tours, France
| | - Nadia Henkous
- Université de Bordeaux, CNRS UMR 5287, 33615, Pessac, France
| | - Thomas Prevot
- Université de Bordeaux, CNRS UMR 5287, 33615, Pessac, France
| | - Vincent David
- Université de Bordeaux, CNRS UMR 5287, 33615, Pessac, France
| | | | - Catherine Belzung
- Université François Rabelais, Inserm U930, Parc Grandmont, 37200, Tours, France
| | - Nicole Mons
- Université de Bordeaux, CNRS UMR 5287, 33615, Pessac, France
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26
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Pazini FL, Cunha MP, Rodrigues ALS. The possible beneficial effects of creatine for the management of depression. Prog Neuropsychopharmacol Biol Psychiatry 2019; 89:193-206. [PMID: 30193988 DOI: 10.1016/j.pnpbp.2018.08.029] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 08/17/2018] [Accepted: 08/28/2018] [Indexed: 01/23/2023]
Abstract
Depression, a highly prevalent neuropsychiatric disorder worldwide, causes a heavy burden for the society and is associated with suicide risk. The treatment of this disorder remains a challenge, since currently available antidepressants provide a slow and, often, incomplete response and cause several side effects that contribute to diminish the adhesion of patients to treatment. In this context, several nutraceuticals have been investigated regarding their possible beneficial effects for the management of this neuropsychiatric disorder. Creatine stands out as a supplement frequently used for ergogenic purpose, but it also is a neuroprotective compound with potential to treat or mitigate a broad range of central nervous systems diseases, including depression. This review presents preclinical and clinical evidence that creatine may exhibit antidepressant properties. The focus is given on the possible molecular mechanisms underlying its effects based on the results obtained with different animal models of depression. Finally, evidence obtained in animal models of depression addressing the possibility that creatine may produce rapid antidepressant effect, similar to ketamine, are also presented and discussed.
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Affiliation(s)
- Francis L Pazini
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Campus Universitário, Trindade, 88040-900 Florianópolis, SC, Brazil
| | - Mauricio P Cunha
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Campus Universitário, Trindade, 88040-900 Florianópolis, SC, Brazil
| | - Ana Lúcia S Rodrigues
- Department of Biochemistry, Center of Biological Sciences, Universidade Federal de Santa Catarina, Campus Universitário, Trindade, 88040-900 Florianópolis, SC, Brazil.
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Villas Boas GR, Boerngen de Lacerda R, Paes MM, Gubert P, Almeida WLDC, Rescia VC, de Carvalho PMG, de Carvalho AAV, Oesterreich SA. Molecular aspects of depression: A review from neurobiology to treatment. Eur J Pharmacol 2019; 851:99-121. [PMID: 30776369 DOI: 10.1016/j.ejphar.2019.02.024] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 02/14/2019] [Accepted: 02/14/2019] [Indexed: 12/14/2022]
Abstract
Major depressive disorder (MDD), also known as unipolar depression, is one of the leading causes of disability and disease worldwide. The signs and symptoms are low self‑esteem, anhedonia, feeling of worthlessness, sense of rejection and guilt, suicidal thoughts, among others. This review focuses on studies with molecular-based approaches involving MDD to obtain an integrated, more detailed and comprehensive view of the brain changes produced by this disorder and its treatment and how the Central Nervous System (CNS) produces neuroplasticity to orchestrate adaptive defensive behaviors. This article integrates affective neuroscience, psychopharmacology, neuroanatomy and molecular biology data. In addition, there are two problems with current MDD treatments, namely: 1) Low rates of responsiveness to antidepressants and too slow onset of therapeutic effect; 2) Increased stress vulnerability and autonomy, which reduces the responses of currently available treatments. In the present review, we encourage the prospection of new bioactive agents for the development of treatments with post-transduction mechanisms, neurogenesis and pharmacogenetics inducers that bring greater benefits, with reduced risks and maximized access to patients, stimulating the field of research on mood disorders in order to use the potential of preclinical studies. For this purpose, improved animal models that incorporate the molecular and anatomical tools currently available can be applied. Besides, we encourage the study of drugs that do not present "classical application" as antidepressants, (e.g., the dissociative anesthetic ketamine and dextromethorphan) and drugs that have dual action mechanisms since they represent potential targets for novel drug development more useful for the treatment of MDD.
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Affiliation(s)
- Gustavo Roberto Villas Boas
- Research Group on Development of Pharmaceutical Products (P&DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil; Faculty of Health Sciences, Federal University of Grande Dourados, Dourados Rodovia Dourados, Itahum Km 12, Cidade Universitaria, Caixa. postal 364, CEP 79804-970, Dourados, Mato Grosso do Sul, Brazil.
| | - Roseli Boerngen de Lacerda
- Department of Pharmacology of the Biological Sciences Center, Federal University of Paraná, Jardim das Américas, Caixa. postal 19031, CEP 81531-990, Curitiba, Paraná, Brazil.
| | - Marina Meirelles Paes
- Research Group on Development of Pharmaceutical Products (P&DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil.
| | - Priscila Gubert
- Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil.
| | - Wagner Luis da Cruz Almeida
- Research Group on Development of Pharmaceutical Products (P&DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil.
| | - Vanessa Cristina Rescia
- Research Group on Development of Pharmaceutical Products (P&DProFar), Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil.
| | - Pablinny Moreira Galdino de Carvalho
- Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil.
| | - Adryano Augustto Valladao de Carvalho
- Center for Biological and Health Sciences, Federal University of Western Bahia, Rua Bertioga, 892, Morada Nobre II, CEP 47810-059, Barreiras, Bahia, Brazil.
| | - Silvia Aparecida Oesterreich
- Faculty of Health Sciences, Federal University of Grande Dourados, Dourados Rodovia Dourados, Itahum Km 12, Cidade Universitaria, Caixa. postal 364, CEP 79804-970, Dourados, Mato Grosso do Sul, Brazil.
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Fabbri C, Kasper S, Kautzky A, Bartova L, Dold M, Zohar J, Souery D, Montgomery S, Albani D, Raimondi I, Dikeos D, Rujescu D, Uher R, Lewis CM, Mendlewicz J, Serretti A. Genome-wide association study of treatment-resistance in depression and meta-analysis of three independent samples. Br J Psychiatry 2019; 214:36-41. [PMID: 30468137 DOI: 10.1192/bjp.2018.256] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Treatment-resistant depression (TRD) is the most problematic outcome of depression in terms of functional impairment, suicidal thoughts and decline in physical health.AimsTo investigate the genetic predictors of TRD using a genome-wide approach to contribute to the development of precision medicine. METHOD A sample recruited by the European Group for the Study of Resistant Depression (GSRD) including 1148 patients with major depressive disorder (MDD) was characterised for the occurrence of TRD (lack of response to at least two adequate antidepressant treatments) and genotyped using the Infinium PsychArray. Three clinically relevant patient groups were considered: TRD, responders and non-responders to the first antidepressant trial, thus outcomes were based on comparisons of these groups. Genetic analyses were performed at the variant, gene and gene-set (i.e. functionally related genes) level. Additive regression models of the outcomes and relevant covariates were used in the GSRD participants and in a fixed-effect meta-analysis performed between GSRD, STAR*D (n = 1316) and GENDEP (n = 761) participants. RESULTS No individual polymorphism or gene was associated with TRD, although some suggestive signals showed enrichment in cytoskeleton regulation, transcription modulation and calcium signalling. Two gene sets (GO:0043949 and GO:0000183) were associated with TRD versus response and TRD versus response and non-response to the first treatment in the GSRD participants and in the meta-analysis, respectively (corrected P = 0.030 and P = 0.027). CONCLUSIONS The identified gene sets are involved in cyclic adenosine monophosphate mediated signal and chromatin silencing, two processes previously implicated in antidepressant action. They represent possible biomarkers to implement personalised antidepressant treatments and targets for new antidepressants.Declaration of interestD.S. has received grant/research support from GlaxoSmithKline and Lundbeck; has served as a consultant or on advisory boards for AstraZeneca, Bristol-Myers Squibb, Eli Lilly, Janssen and Lundbeck. S.M. has been a consultant or served on advisory boards for: AstraZeneca, Bristol-Myers Squibb, Forest, Johnson & Johnson, Leo, Lundbeck, Medelink, Neurim, Pierre Fabre, Richter. S.K. has received grant/research support from Eli Lilly, Lundbeck, Bristol-Myers Squibb, GlaxoSmithKline, Organon, Sepracor and Servier; has served as a consultant or on advisory boards for AstraZeneca, Bristol-Myers Squibb, GlaxoSmithKline, Eli Lilly, Lundbeck, Pfizer, Organon, Schwabe, Sepracor, Servier, Janssen and Novartis; and has served on speakers' bureaus for AstraZeneca, Eli Lily, Lundbeck, Schwabe, Sepracor, Servier, Pierre Fabre, Janssen and Neuraxpharm. J.Z. has received grant/research support from Lundbeck, Servier, Brainsway and Pfizer, has served as a consultant or on advisory boards for Servier, Pfizer, Abbott, Lilly, Actelion, AstraZeneca and Roche and has served on speakers' bureaus for Lundbeck, Roch, Lilly, Servier, Pfizer and Abbott. J.M. is a member of the Board of the Lundbeck International Neuroscience Foundation and of Advisory Board of Servier. A.S. is or has been consultant/speaker for: Abbott, AbbVie, Angelini, Astra Zeneca, Clinical Data, Boehringer, Bristol Myers Squibb, Eli Lilly, GlaxoSmithKline, Innovapharma, Italfarmaco, Janssen, Lundbeck, Naurex, Pfizer, Polifarma, Sanofi and Servier. C.M.L. receives research support from RGA UK Services Limited.
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Affiliation(s)
- Chiara Fabbri
- Research Fellow,Department of Biomedical and NeuroMotor Sciences,University of Bologna,ItalyandInstitute of Psychiatry, Psychology and Neuroscience,King's College London,UK
| | - Siegfried Kasper
- Professor,Department of Psychiatry and Psychotherapy,Medical University Vienna,Austria
| | - Alexander Kautzky
- PhD Student,Department of Psychiatry and Psychotherapy,Medical University Vienna,Austria
| | - Lucie Bartova
- PhD Student,Department of Psychiatry and Psychotherapy,Medical University Vienna,Austria
| | - Markus Dold
- Associate Professor,Department of Psychiatry and Psychotherapy,Medical University Vienna,Austria
| | - Joseph Zohar
- Professor,Department of Psychiatry,Sheba Medical Center and Sackler School of Medicine,Tel Aviv University,Israel
| | - Daniel Souery
- Director,Laboratoire de Psychologie Medicale,Universitè Libre de Bruxelles and Psy Pluriel,Centre Européen de Psychologie Medicale,Brussels,Belgium
| | | | - Diego Albani
- Director,Unità Genetica delle Malattie Neurodegenerative, Istituto di Ricerche Farmacologiche Mario Negri IRCCS,Italy
| | - Ilaria Raimondi
- Research Fellow,Unità Genetica delle Malattie Neurodegenerative, Istituto di Ricerche Farmacologiche Mario Negri IRCCS,Italy
| | - Dimitris Dikeos
- Professor,Department of Psychiatry,Athens University Medical School,Greece
| | - Dan Rujescu
- Professor,University Clinic for Psychiatry, Psychotherapy and Psychosomatic, Martin-Luther-University Halle-Wittenberg,Germany
| | - Rudolf Uher
- Professor,Department of Psychiatry,Dalhousie University,Canada
| | - Cathryn M Lewis
- Professor,Institute of Psychiatry, Psychology and Neuroscience,King's College London,UK
| | | | - Alessandro Serretti
- Professor,Department of Biomedical and NeuroMotor Sciences,University of Bologna,Italy
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Sahoo S, S. B. Pharmacogenomic assessment of herbal drugs in affective disorders. Biomed Pharmacother 2019; 109:1148-1162. [DOI: 10.1016/j.biopha.2018.10.135] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 10/20/2018] [Accepted: 10/21/2018] [Indexed: 12/14/2022] Open
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30
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Wei S, Li Z, Ren M, Wang J, Gao J, Guo Y, Xu K, Li F, Zhu D, Zhang H, Lv R, Qiao M. Social defeat stress before pregnancy induces depressive-like behaviours and cognitive deficits in adult male offspring: correlation with neurobiological changes. BMC Neurosci 2018; 19:61. [PMID: 30326843 PMCID: PMC6192280 DOI: 10.1186/s12868-018-0463-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 10/08/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Epidemiological surveys and studies with animal models have established a relationship between maternal stress and affective disorders in their offspring. However, whether maternal depression before pregnancy influences behaviour and related neurobiological mechanisms in the offspring has not been studied. RESULTS A social defeat stress (SDS) maternal rat model was established using the resident-intruder paradigm with female specific pathogen-free Wistar rats and evaluated with behavioural tests. SDS maternal rats showed a significant reduction in sucrose preference and locomotor and exploratory activities after 4 weeks of stress. In the third week of the experiment, a reduction in body weight gain was observed in SDS animals. Sucrose preference, open field, the elevated-plus maze, light-dark box, object recognition, the Morris water maze, and forced swimming tests were performed using the 2-month-old male offspring of the female SDS rats. Offspring subjected to pre-gestational SDS displayed enhanced anxiety-like behaviours, reduced exploratory behaviours, reduced sucrose preference, and atypical despair behaviours. With regard to cognition, the offspring showed significant impairments in the retention phase of the object recognition test, but no effect was observed in the acquisition phase. These animals also showed impairments in recognition memory, as the discrimination index in the Morris water maze test in this group was significantly lower for both 1 h and 24 h memory retention compared to controls. Corticosterone, adrenocorticotropic hormone, and monoamine neurotransmitters levels were determined using enzyme immunoassays or radioimmunoassays in plasma, hypothalamus, left hippocampus, and left prefrontal cortex samples from the offspring of the SDS rats. These markers of hypothalamic-pituitary-adrenal axis responsiveness and the monoaminergic system were significantly altered in pre-gestationally stressed offspring. Brain-derived neurotrophic factor (BDNF), cyclic adenosine monophosphate response element binding protein (CREB), phosphorylated CREB (pCREB), and serotonin transporter (SERT) protein levels were evaluated using western blotting with right hippocampus and right prefrontal cortex samples. Expression levels of BDNF, pCREB, and SERT in the offspring were also altered in the hippocampus and in the prefrontal cortex; however, there was no effect on CREB. CONCLUSION We conclude that SDS before pregnancy might induce depressive-like behaviours, cognitive deficits, and neurobiological alterations in the offspring.
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Affiliation(s)
- Sheng Wei
- Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 University Road, University Science Park, Changqing District, Jinan, 250355 China
- Department of Neurosurgery, Qilu Hospital of Shandong University and Brain Science Research Institute, Shandong University, Jinan, 250012 China
- Laboratory of Behavioural Brain Analysis, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Zifa Li
- Laboratory of Behavioural Brain Analysis, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Meng Ren
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Jieqiong Wang
- Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 University Road, University Science Park, Changqing District, Jinan, 250355 China
| | - Jie Gao
- Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 University Road, University Science Park, Changqing District, Jinan, 250355 China
| | - Yinghui Guo
- Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 University Road, University Science Park, Changqing District, Jinan, 250355 China
| | - Kaiyong Xu
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Fang Li
- Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 University Road, University Science Park, Changqing District, Jinan, 250355 China
- Fengtai Maternal and Children’s Health Hospital of Beijing, Beijing, 100069 China
| | - Dehao Zhu
- Laboratory of Behavioural Brain Analysis, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Hao Zhang
- Laboratory of Behavioural Brain Analysis, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Rongju Lv
- Laboratory of Behavioural Brain Analysis, Shandong University of Traditional Chinese Medicine, Jinan, 250355 China
| | - Mingqi Qiao
- Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, #4655 University Road, University Science Park, Changqing District, Jinan, 250355 China
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Levy MJF, Boulle F, Steinbusch HW, van den Hove DLA, Kenis G, Lanfumey L. Neurotrophic factors and neuroplasticity pathways in the pathophysiology and treatment of depression. Psychopharmacology (Berl) 2018; 235:2195-2220. [PMID: 29961124 PMCID: PMC6061771 DOI: 10.1007/s00213-018-4950-4] [Citation(s) in RCA: 163] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 06/18/2018] [Indexed: 02/06/2023]
Abstract
Depression is a major health problem with a high prevalence and a heavy socioeconomic burden in western societies. It is associated with atrophy and impaired functioning of cortico-limbic regions involved in mood and emotion regulation. It has been suggested that alterations in neurotrophins underlie impaired neuroplasticity, which may be causally related to the development and course of depression. Accordingly, mounting evidence suggests that antidepressant treatment may exert its beneficial effects by enhancing trophic signaling on neuronal and synaptic plasticity. However, current antidepressants still show a delayed onset of action, as well as lack of efficacy. Hence, a deeper understanding of the molecular and cellular mechanisms involved in the pathophysiology of depression, as well as in the action of antidepressants, might provide further insight to drive the development of novel fast-acting and more effective therapies. Here, we summarize the current literature on the involvement of neurotrophic factors in the pathophysiology and treatment of depression. Further, we advocate that future development of antidepressants should be based on the neurotrophin theory.
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Affiliation(s)
- Marion J F Levy
- Centre de Psychiatrie et Neurosciences (Inserm U894), Université Paris Descartes, 102-108 rue de la santé, 75014, Paris, France
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Fabien Boulle
- Centre de Psychiatrie et Neurosciences (Inserm U894), Université Paris Descartes, 102-108 rue de la santé, 75014, Paris, France
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Harry W Steinbusch
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Daniël L A van den Hove
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
- Department of Psychiatry, Psychosomatics and Psychotherapy, University of Wuerzburg, Wuerzburg, Germany
| | - Gunter Kenis
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, The Netherlands
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands
| | - Laurence Lanfumey
- Centre de Psychiatrie et Neurosciences (Inserm U894), Université Paris Descartes, 102-108 rue de la santé, 75014, Paris, France.
- EURON-European Graduate School of Neuroscience, Maastricht, The Netherlands.
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Zhu G, Yang S, Xie Z, Wan X. Synaptic modification by L-theanine, a natural constituent in green tea, rescues the impairment of hippocampal long-term potentiation and memory in AD mice. Neuropharmacology 2018; 138:331-340. [DOI: 10.1016/j.neuropharm.2018.06.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 06/21/2018] [Accepted: 06/22/2018] [Indexed: 02/08/2023]
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Yi LT, Mu RH, Dong SQ, Wang SS, Li CF, Geng D, Liu Q. miR-124 antagonizes the antidepressant-like effects of standardized gypenosides in mice. J Psychopharmacol 2018; 32:458-468. [PMID: 29484897 DOI: 10.1177/0269881118758304] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Our previous study demonstrated that gypenosides produced antidepressant-like effects in mice exposed to chronic mild stress in a brain-derived neurotrophic factor-dependent manner. However, whether other mechanisms are involved in the antidepressant-like effects of gypenosides is not clear. miR-124 is one of the most abundant microRNAs in the hippocampus, and its dysregulation is related to the pathophysiology of depression. The glucocorticoid receptor is dysfunctional in depression, and it is a direct target of miR-124. Therefore, the present study used corticosterone-induced mice as a model to evaluate the role of miR-124 on the antidepressant-like effects of gypenosides. miR-124 agomir was intracerebrally injected prior to administration of gypenosides and corticosterone injection. Sucrose preference and forced swimming tests were performed 21 days later. Proteins related to glucocorticoid receptors and brain-derived neurotrophic factor-tyrosine receptor kinase B signaling in the hippocampus were evaluated. Our results demonstrated that gypenosides reversed the chronic corticosterone injection-induced decreased sucrose preference and increased immobility time. In contrast, this effect was antagonized by miR-124 injection. In addition, gypenosides increased glucocorticoid receptor and tyrosine receptor kinase B expression in the hippocampus, which activated brain-derived neurotrophic factor signaling. miR-124 also blocked these effects. In conclusion, this study demonstrated that a reduction in miR-124 was required for the antidepressant-like effects of gypenosides induced by chronic corticosterone injection in mice.
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Affiliation(s)
- Li-Tao Yi
- 1 Department of Chemical and Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China.,3 Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, People's Republic of China
| | - Rong-Hao Mu
- 1 Department of Chemical and Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Shu-Qi Dong
- 1 Department of Chemical and Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Shuang-Shuang Wang
- 1 Department of Chemical and Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Cheng-Fu Li
- 4 Xiamen Hospital of Traditional Chinese Medicine Affiliated to Fujian University of Traditional Chinese Medicine, Xiamen, People's Republic of China
| | - Di Geng
- 1 Department of Chemical and Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China.,3 Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, People's Republic of China
| | - Qing Liu
- 1 Department of Chemical and Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China.,3 Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, People's Republic of China
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Zanderigo F, Pantazatos S, Rubin-Falcone H, Ogden RT, Chhetry BT, Sullivan G, Oquendo M, Miller JM, Mann JJ. In vivo relationship between serotonin 1A receptor binding and gray matter volume in the healthy brain and in major depressive disorder. Brain Struct Funct 2018; 223:2609-2625. [PMID: 29550938 DOI: 10.1007/s00429-018-1649-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 03/09/2018] [Indexed: 12/17/2022]
Abstract
Serotonin 1A (5-HT1A) receptors mediate serotonin trophic role in brain neurogenesis. Gray matter volume (GMV) loss and 5-HT1A receptor binding alterations have been identified in major depressive disorder (MDD). Here we investigated the relationship between 5-HT1A receptor binding and GMV in 40 healthy controls (HCs) and, for the first time, 47 antidepressant-free MDD patients using Voxel-Based Morphometry and [11C]WAY100635 Positron Emission Tomography. Values of GMV and 5-HT1A binding (expressed as BPF, one of the types of binding potentials that refer to displaceable or specific binding that can be quantified in vivo with PET) were obtained in 13 regions of interest, including raphe, and at the voxel level. We used regression analysis within each group to predict GMV from BPF, while covarying for age, sex, total gray matter volume and medication status. In the HCs group, we found overall a positive correlation between terminal field 5-HT1A receptor binding and GMV, which reached statistical significance in regions such as hippocampus, insula, orbital prefrontal cortex, and parietal lobe. We observed a trend towards inverse correlation between raphe 5-HT1A autoreceptor binding and anterior cingulate GMV in both groups, and a statistically significant positive correlation between raphe 5-HT1A binding and temporal GMV in MDD. Analysis of covariance at the voxel-level revealed a trend towards interaction between diagnosis and raphe 5-HT1A binding in predicting GMV in cerebellum and supramarginal gyrus (higher correlation in HCs compared with MDD). Our results replicated previous findings in the normative brain, but did not extend them to the brain in MDD, and indicated a trend towards dissociation between MDD and HCs in the relationship of raphe 5-HT1A binding with postsynaptic GMV. These results suggest that 5-HT1A receptors contribute to altered neuroplasticity in MDD, possibly via effects predating depression onset.
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Affiliation(s)
- Francesca Zanderigo
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA. .,Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY, 10032, USA.
| | - Spiro Pantazatos
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY, 10032, USA
| | - Harry Rubin-Falcone
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA
| | - R Todd Ogden
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Biostatistics, Columbia University, Mailman School of Public Health, 722 W 168th Street, New York, NY, 10032, USA
| | - Binod Thapa Chhetry
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA
| | - Gregory Sullivan
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA
| | - Maria Oquendo
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY, 10032, USA
| | - Jeffrey M Miller
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY, 10032, USA
| | - J John Mann
- Molecular Imaging and Neuropathology Division, New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY, 10032, USA.,Department of Radiology, Columbia University, 622 W 168th Street, New York, NY, 10032, USA
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Lieb K, Dreimüller N, Wagner S, Schlicht K, Falter T, Neyazi A, Müller-Engling L, Bleich S, Tadić A, Frieling H. BDNF Plasma Levels and BDNF Exon IV Promoter Methylation as Predictors for Antidepressant Treatment Response. Front Psychiatry 2018; 9:511. [PMID: 30459647 PMCID: PMC6232909 DOI: 10.3389/fpsyt.2018.00511] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 09/28/2018] [Indexed: 01/09/2023] Open
Abstract
Major problems of current antidepressant pharmacotherapy are insufficient response rates and difficulties in response prediction. We recently provided preliminary evidence in a small study that patients with major depressive disorder (MDD) with a hypomethylation of the CpG-87 site of the promoter IV region of the brain-derived neurotrophic factor (BDNF) gene are less likely to benefit from antidepressants. Here, we aimed at replicating this finding in a secondary analysis of 561 MDD patients (mean age 40.0 ± 11.9 years, 56% female) included into the Early Medication Change study (EMC). We measured BDNF exon IV promoter and p11 gene methylation at Baseline (BL) as well as BDNF-plasma-levels (pBDNF) at BL and day 14 and related them to treatment outcome. Although we were not able to replicate the predictor function of hypomethylation of the BDNF exon IV promoter, a subgroup of patients with severe depression (Hamilton Depression Rating Scale [HAMD-17] ≥ 25) (n = 199) and hypermethylation at CpG-87 of the BDNF exon IV promoter had significantly higher remission rates than patients without a methylation (p = 0.032). We also found that 421 (75%) of 561 patients showed an early improvement (≥ 20% HAMD-17 reduction after 2 weeks), which was associated with a 4.24-fold increased likelihood to remit at study end compared to the 140 patients without early improvement. However, specificity of response prediction of early improvement was low (34%) and false positive rate high (66%). The combination of early improvement with a pBDNF increase between BL and day 14, however, increased the specificity of response prediction from 34 to 76%, and the combination with methylation of the CpG-87 site of the BDNF exon IV promoter from 34 to 62%. Thus, the combined markers reduced false positives rates from 66 to 24% and 38%, respectively. Methylation at other sites or p11 promoter methylation failed to increase specificity of early improvement prediction. In sum, the results add to previous findings that BDNF, BDNF promoter methylation and the combination of clinical and biological markers may be interesting candidates for therapy response prediction which has to be confirmed in further studies. Clinical Trial Registration: https://clinicaltrials.gov/ct2/show/NCT00974155, identifier: NCT00974155.
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Affiliation(s)
- Klaus Lieb
- Department of Psychiatry and Psychotherapy, University Medical Centre, Mainz, Germany
| | - Nadine Dreimüller
- Department of Psychiatry and Psychotherapy, University Medical Centre, Mainz, Germany
| | - Stefanie Wagner
- Department of Psychiatry and Psychotherapy, University Medical Centre, Mainz, Germany
| | - Konrad Schlicht
- Department of Psychiatry and Psychotherapy, University Medical Centre, Mainz, Germany
| | - Tanja Falter
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Centre, Mainz, Germany
| | - Alexandra Neyazi
- Molecular Neuroscience Laboratory, Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School (MHH), Hanover, Germany
| | - Linda Müller-Engling
- Molecular Neuroscience Laboratory, Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School (MHH), Hanover, Germany
| | - Stefan Bleich
- Molecular Neuroscience Laboratory, Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School (MHH), Hanover, Germany
| | - André Tadić
- Department of Psychiatry and Psychotherapy, University Medical Centre, Mainz, Germany
| | - Helge Frieling
- Molecular Neuroscience Laboratory, Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School (MHH), Hanover, Germany
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Szopa A, Poleszak E, Doboszewska U, Herbet M, Świąder K, Wyska E, Serefko A, Wlaź A, Korga A, Ostrowska M, Juś P, Jedynak S, Dudka J, Wlaź P. Withdrawal of caffeine after its chronic administration modifies the antidepressant-like activity of atypical antidepressants in mice. Changes in cortical expression of Comt, Slc6a15 and Adora1 genes. Psychopharmacology (Berl) 2018; 235:2423-2434. [PMID: 29882086 PMCID: PMC6061707 DOI: 10.1007/s00213-018-4940-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 06/01/2018] [Indexed: 11/30/2022]
Abstract
RATIONALE Depressed patients often present increased consumption of caffeine. OBJECTIVES We aimed to investigate the effects of chronic treatment with caffeine (5 mg/kg, twice daily for 14 days) on the activity of single, ineffective doses of agomelatine (20 mg/kg) or mianserin (10 mg/kg) given on day 15 alone or simultaneously with caffeine. METHODS We used the forced swim test (FST), tail suspension test (TST), and locomotor activity test in mice and quantitative real-time PCR analysis of the selected genes in the cerebral cortex (Cx). RESULTS There were no changes in the immobility time between mice that received saline and caffeine for 14 days. Administration of agomelatine or mianserin on day 15 did not produce an antidepressant-like effect, but such effect was observed after administration of agomelatine or mianserin simultaneously with caffeine on day 15, in both mice that received saline and caffeine for 14 days. In mice treated with caffeine for 14 days, joint administration of agomelatine or mianserin and caffeine on day 15 decreased solute carrier family 6, member 15 (Slc6a15), messenger RNA (mRNA) level in the Cx, compared to the group which received only the respective antidepressant on this day. Moreover, in mice treated with caffeine for 14 days, joint administration of mianserin and caffeine on day 15 decreased adenosine A1 receptor (Adora1) and catechol-O-methyltransferase (Comt) mRNA level in the Cx, compared to the group which received mianserin without caffeine on this day. CONCLUSIONS Withdrawal of caffeine after its chronic intake can modify the activity of antidepressants. Adora1, Slc6a15, and Comt may be involved in the antidepressant-like effect observed after joint administration of caffeine and mianserin or agomelatine, following chronic treatment with caffeine.
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Affiliation(s)
- Aleksandra Szopa
- Chair and Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093, Lublin, Poland.
| | - Ewa Poleszak
- Chair and Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
| | - Urszula Doboszewska
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland.
| | - Mariola Herbet
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, 20-093 Lublin, Poland
| | - Katarzyna Świąder
- Chair and Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
| | - Elżbieta Wyska
- Department of Pharmacokinetics and Physical Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Serefko
- Chair and Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
| | - Aleksandra Wlaź
- Department of Pathophysiology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland
| | - Agnieszka Korga
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, 20-093 Lublin, Poland
| | - Marta Ostrowska
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, 20-093 Lublin, Poland
| | - Piotr Juś
- Chair and Department of Applied Pharmacy, Medical University of Lublin, Chodźki 1, 20-093 Lublin, Poland
| | - Szymon Jedynak
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, 20-093 Lublin, Poland
| | - Jarosław Dudka
- Chair and Department of Toxicology, Medical University of Lublin, Chodźki 8, 20-093 Lublin, Poland
| | - Piotr Wlaź
- Department of Animal Physiology, Institute of Biology and Biochemistry, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
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de la Tremblaye PB, Benoit SM, Schock S, Plamondon H. CRHR1 exacerbates the glial inflammatory response and alters BDNF/TrkB/pCREB signaling in a rat model of global cerebral ischemia: implications for neuroprotection and cognitive recovery. Prog Neuropsychopharmacol Biol Psychiatry 2017. [PMID: 28647536 DOI: 10.1016/j.pnpbp.2017.06.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This study examined the impact of corticotropin-releasing hormone type 1 receptor (CRHR1) blockade using Antalarmin (ANT) on the expression of markers of neuroplasticity and inflammation, as well as neuroprotection and behavioral recovery following global cerebral ischemia. Male Wistar rats (N=50) were treated with ANT (2μg/2μl; icv) or a vehicle solution prior to a sham or four vessel (4VO) occlusion. Seven days post ischemia, anxiety was assessed in the Elevated Plus Maze and Open Field tests, and fear and spatial learning in a Y-Maze Passive Avoidance Task and the Barnes Maze. Thirty days post ischemia, brain derived neurotrophic factor (BDNF) and tropomyosin receptor kinase B (TrkB) receptor expression, hippocampal neuronal death and inflammation were determined by analyzing immunoreactivity (ir) of neuron-specific nuclear protein (NeuN), microglia (IBA1, ionized calcium binding adaptor molecule 1), astrocytes (GFAP, glial fibrillary acidic protein) and TNFα (tumor necrosis factor alpha) a pro-inflammatory cytokine. Our findings revealed that ANT improved behavioral impairments, while conferring neuroprotection and blunting neuroinflammation in all hippocampal sub-regions post ischemia. We also observed reduced BDNF and TrkB mRNA and protein levels at the hippocampus, and increased expression at the hypothalamus and amygdala post ischemia, site-specific alterations which were regularized by pre-ischemic CRHR1 blockade. These findings support that CRHR1 actively contributes to altered brain plasticity, neuronal inflammation and injury and recovery of function following ischemic brain insults.
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Affiliation(s)
- Patricia B de la Tremblaye
- Behavioural Neuroscience Group, School of Psychology, University of Ottawa, 136 Jean-Jacques Lussier, Ottawa, ON K1N 6N5, Canada
| | - Simon M Benoit
- Behavioural Neuroscience Group, School of Psychology, University of Ottawa, 136 Jean-Jacques Lussier, Ottawa, ON K1N 6N5, Canada
| | - Sarah Schock
- Department of Cellular and Molecular Medicine, University of Ottawa, 451 Smyth Rd, Ottawa, ON K1H 8N5, Canada
| | - Hélène Plamondon
- Behavioural Neuroscience Group, School of Psychology, University of Ottawa, 136 Jean-Jacques Lussier, Ottawa, ON K1N 6N5, Canada.
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Hirshler Y, Doron R. Neuroplasticity-related mechanisms underlying the antidepressant-like effects of traditional herbal medicines. Eur Neuropsychopharmacol 2017; 27:945-958. [PMID: 28807619 DOI: 10.1016/j.euroneuro.2017.07.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 06/23/2017] [Accepted: 07/18/2017] [Indexed: 02/06/2023]
Abstract
Traditional herbal medicine can offer efficacious and safe alternative pharmacotherapies for depression. The ability of an herbal medicine to produce neuroadaptive processes, that enhance neuroplasticity and cellular resilience in response to chronic stress, may point to its antidepressant potential. We suggest that among many investigated herbal medicines, those that can enhance neuroplasticity may have stronger therapeutic potential. The current article presents a summary of traditional herbal medicines, which are thought to exert antidepressant-like effects in chronic stress models via neuroplasticity enhancement. Brain-derived neurotrophic factor (BDNF) is a biomarker for neuroplasticity-related mechanisms compromised in depression and recovered by conventional antidepressants, including synaptic plasticity, cell survival, neurogenesis and spine formation. We therefore presumed that if an herbal medicine up-regulates BDNF in the hippocampus and/or prefrontal cortex (PFC), its antidepressant-like effect is mediated, at least partially, via neuroplasticity-related mechanisms. Literature search was performed using the general terms depression, stress, neuroplasticity and herbal medicines. Screening of retrieved preclinical studies revealed 30 traditional herbal medicines: 8 single herbs, 15 bioactive constituents, and 7 herbal formulas. The antidepressant-like effects of these medicines were associated with reversal of chronic stress-induced impairment in neuroplasticity, most notably by BDNF up-regulation, activation of BDNF downstream signaling pathways and increase in neurogenesis in the hippocampus and/or PFC/frontal cortex. In light of the ability of these medicines to enhance neuroplasticity, we suggest that they may be suitable candidates for clinical investigation in depressed individuals. Once their efficacy, tolerability and safety will be substantiated, they may serve as natural alternatives to conventional antidepressants.
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Affiliation(s)
- Yafit Hirshler
- Department of Education and Psychology, The Open University of Israel, Ra'anana, Israel
| | - Ravid Doron
- Department of Education and Psychology, The Open University of Israel, Ra'anana, Israel; School of Behavioral Sciences, The Academic College Tel Aviv Yaffo, Tel Aviv, Israel.
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Kwon SH, Han JK, Choi M, Kwon YJ, Kim SJ, Yi EH, Shin JC, Cho IH, Kim BH, Jeong Kim S, Ye SK. Dysfunction of Microglial STAT3 Alleviates Depressive Behavior via Neuron-Microglia Interactions. Neuropsychopharmacology 2017; 42:2072-2086. [PMID: 28480882 PMCID: PMC5561349 DOI: 10.1038/npp.2017.93] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 04/27/2017] [Accepted: 05/01/2017] [Indexed: 12/22/2022]
Abstract
Neuron-microglia interactions have a crucial role in maintaining the neuroimmune system. The balance of neuroimmune system has emerged as an important process in the pathophysiology of depression. However, how neuron-microglia interactions contribute to major depressive disorders has been poorly understood. Herein, we demonstrated that microglia-derived synaptic changes induced antidepressive-like behavior by using microglia-specific signal transducer and activator of transcription 3 (STAT3) knockout (KO) (STAT3fl/fl;LysM-Cre+/-) mice. We found that microglia-specific STAT3 KO mice showed antidepressive-like behavior in the forced swim, tail suspension, sucrose preference, and open-field tests. Surprisingly, the secretion of macrophage colony-stimulating factor (M-CSF) was increased from neuronal cells in the brains of STAT3fl/fl;LysM-Cre+/- mice. Moreover, the phosphorylation of antidepressant-targeting mediators and brain-derived neurotrophic factor expression were increased in the brains of STAT3fl/fl;LysM-Cre+/- mice as well as in neuronal cells in response to M-CSF stimulation. Importantly, the miniature excitatory postsynaptic current frequency in the medial prefrontal cortex was increased in STAT3fl/fl;LysM-Cre+/- mice and in the M-CSF treatment group. Collectively, microglial STAT3 regulates depression-related behaviors via neuronal M-CSF-mediated synaptic activity, suggesting that inhibition of microglial STAT3 might be a new therapeutic strategy for depression.
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Affiliation(s)
- Sun-Ho Kwon
- Department of Pharmacology, Seoul National University College of Medicine, Seoul, Republic of Korea,Neuro-Immune Information Storage Network Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea,Biomedical Science Project (BK21[PLUS]), Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jeong-Kyu Han
- Neuro-Immune Information Storage Network Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea,Department of Physiology, Seoul National University College of Medicine, Seoul, Republic of Korea,Department of Brain and Cognitive Sciences, Seoul National University Graduate School, Seoul, Republic of Korea
| | - Moonseok Choi
- Department of Pharmacology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yong-Jin Kwon
- Department of Pharmacology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sung Joon Kim
- Department of Physiology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Eun Hee Yi
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jae-Cheon Shin
- Pohang Center for Evaluation of Biomaterials, Pohang, Republic of Korea
| | - Ik-Hyun Cho
- Department of Convergence Medical Science, College of Oriental Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Byung-Hak Kim
- Department of Pharmacology, Seoul National University College of Medicine, Seoul, Republic of Korea,Biomedical Science Project (BK21[PLUS]), Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sang Jeong Kim
- Neuro-Immune Information Storage Network Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea,Biomedical Science Project (BK21[PLUS]), Seoul National University College of Medicine, Seoul, Republic of Korea,Department of Physiology, Seoul National University College of Medicine, Seoul, Republic of Korea,Department of Brain and Cognitive Sciences, Seoul National University Graduate School, Seoul, Republic of Korea,Department of Physiology, Seoul National University College of Medicine, Seoul, South Korea. Tel: +82 2 740 8229, Fax: +82 2 763 9667, E-mail:
| | - Sang-Kyu Ye
- Department of Pharmacology, Seoul National University College of Medicine, Seoul, Republic of Korea,Neuro-Immune Information Storage Network Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea,Biomedical Science Project (BK21[PLUS]), Seoul National University College of Medicine, Seoul, Republic of Korea,Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Republic of Korea,Department of Pharmacology, Seoul National University College of Medicine, Seoul, South Korea. Tel: +82 2 740 8281, Fax: +82 2 745 7996, E-mail:
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40
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MicroRNA in glutamate receptor-dependent neurological diseases. Clin Sci (Lond) 2017; 131:1591-1604. [PMID: 28667061 DOI: 10.1042/cs20170964] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 05/05/2017] [Accepted: 05/15/2017] [Indexed: 02/01/2023]
Abstract
Glutamate-mediated excitotoxicity is the major neuropathological process contributing to numerous neurological diseases. Recently, emerging evidence indicates that microRNAs (miRNAs) play essential roles in the pathophysiology of a wide range of neurological diseases. Notably, there have been significant developments in understanding the biogenesis of miRNAs, their regulatory mechanisms, and their potential as effective biomarkers and therapies. In the present review, we summarize the recent literature that highlights the versatile roles played by miRNAs in glutamate receptor (GluR)-dependent neurological diseases. Based on the reported studies to date, modulation of miRNAs could emerge as a promising therapeutic target for a variety of neurological diseases that were discussed in this review.
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Pytka K, Młyniec K, Podkowa K, Podkowa A, Jakubczyk M, Żmudzka E, Lustyk K, Sapa J, Filipek B. The role of melatonin, neurokinin, neurotrophic tyrosine kinase and glucocorticoid receptors in antidepressant-like effect. Pharmacol Rep 2017; 69:546-554. [DOI: 10.1016/j.pharep.2017.01.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 01/24/2017] [Indexed: 12/21/2022]
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42
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Naoi M, Maruyama W, Shamoto-Nagai M. Type A monoamine oxidase and serotonin are coordinately involved in depressive disorders: from neurotransmitter imbalance to impaired neurogenesis. J Neural Transm (Vienna) 2017; 125:53-66. [PMID: 28293733 DOI: 10.1007/s00702-017-1709-8] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 03/12/2017] [Indexed: 12/30/2022]
Abstract
Type A monoamine oxidase (MAOA) catabolizes monoamine transmitters, serotonin, norepinephrine and dopamine, and plays a major role in the onset, progression and therapy of neuropsychiatric disorders. In depressive disorders, increase in MAOA expression and decrease in brain levels of serotonin and norepinephrine are proposed as the major pathogenic factors. The functional polymorphism of MAOA gene and genes in serotonin signal pathway are associated with depression. This review presents recent advance in studies on the role of MAOA in major depressive disorder and related emotional disorders. MAOA and serotonin regulate the prenatal development and postnatal maintenance of brain architecture and neurocircuit, as shown by MAOA-deficient humans and MAO knockout animal models. Impaired neurogenesis in the mature hippocampus has been proposed as "adult neurogenesis" hypothesis of depression. MAOA modulates the sensitivity to stress in the stages of brain development and maturation, and the interaction of gene-environmental factors in the early stage regulates the onset of depressive behaviors in adulthood. Vice versa environmental factors affect MAOA expression by epigenetic regulation. MAO inhibitors not only restore compromised neurotransmitters, but also protect neurons from cell death in depression through induction of anti-apoptotic Bcl-2 and prosurvival neurotrophic factors, especially brain-derived neurotrophic factor, the deficiency of which is detected in depression. This review discusses novel role of MAOA and serotonin in the pathogenesis and therapy of depressive disorders.
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Affiliation(s)
- Makoto Naoi
- Department of Health and Nutrition, Faculty of Psychological and Physical Science, Aichi Gakuin University, 12 Araike, Iwasaki-cho, Nisshin, Aichi, 320-0195, Japan.
| | - Wakako Maruyama
- Department of Health and Nutrition, Faculty of Psychological and Physical Science, Aichi Gakuin University, 12 Araike, Iwasaki-cho, Nisshin, Aichi, 320-0195, Japan
| | - Masayo Shamoto-Nagai
- Department of Health and Nutrition, Faculty of Psychological and Physical Science, Aichi Gakuin University, 12 Araike, Iwasaki-cho, Nisshin, Aichi, 320-0195, Japan
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Curcumin confers neuroprotection against alcohol-induced hippocampal neurodegeneration via CREB-BDNF pathway in rats. Biomed Pharmacother 2017; 87:721-740. [DOI: 10.1016/j.biopha.2016.12.020] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 11/19/2016] [Accepted: 12/05/2016] [Indexed: 02/08/2023] Open
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Evidence for the involvement of heme oxygenase-1 in the antidepressant-like effect of zinc. Pharmacol Rep 2017; 69:497-503. [PMID: 31994098 DOI: 10.1016/j.pharep.2017.01.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 01/18/2017] [Indexed: 12/27/2022]
Abstract
BACKGROUND Considering that heme oxygenase-1 (HO-1) and the brain-derived neurotrophic factor (BDNF)-mediated pathway are involved in the pathophysiology of depression and that zinc has been shown to exert beneficial effects in the management of depression, this study investigated the influence of these targets on the antidepressant-like effect of zinc. METHODS Mice were treated with sub-effective or effective doses of zinc chloride (ZnCl2, 10 mg/kg, po), and 45 min later, they received intracerebroventricular (icv) injections of sub-effective doses of either zinc protoporphyrin IX (ZnPP, 10 μg/mouse, HO-1 inhibitor), cobalt protoporphyrin IX (CoPP, 0.01 μg/mouse, HO-1 inducer) or K-252a (1 μg/mouse, TrkB receptor antagonist). Immobility time and locomotor activity were evaluated through the tail suspension test (TST) and open-field test (OFT), respectively. HO-1 immunocontents were evaluated in the prefrontal cortex and hippocampus 60 min after ZnCl2 (10 mg/kg, po) treatment. RESULTS The antidepressant-like effect of ZnCl2 was prevented by the treatment with ZnPP and K-252a. Furthermore, sub-effective doses of CoPP and ZnCl2 produced a synergistic antidepressant-like effect in the TST. None of the treatments altered locomotor activity. ZnCl2 administration increased HO-1 immunocontents only in the prefrontal cortex. CONCLUSIONS The results indicate that the antidepressant-like effect of ZnCl2 in the TST may depend on the induction of HO-1, and activation of TrkB receptor.
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Li XM, Meng J, Li LT, Guo T, Yang LK, Shi QX, Li XB, Chen Y, Yang Q, Zhao JN. Effect of ZBD-2 on chronic pain, depressive-like behaviors, and recovery of motor function following spinal cord injury in mice. Behav Brain Res 2017; 322:92-99. [PMID: 28108322 PMCID: PMC5339413 DOI: 10.1016/j.bbr.2017.01.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 01/09/2017] [Accepted: 01/12/2017] [Indexed: 02/06/2023]
Abstract
ZBD-2 significantly attenuated the symptoms of chronic SCI-pain and pain-induced depressive-like behaviors. ZBD-2 inhibited the decreases in the expression of synaptic plasticity-related signaling proteins. ZBD-2 reversed chronic, SCI-induced gliocyte activation at the lesion site.
In addition to debilitating sensory and motor deficits, patients with spinal cord injury (SCI) may experience chronic hyperpathic pain (SCI-pain). Recent studies have revealed that translocator protein (TSPO) is involved in repairing neural cells as well as reducing anxiety and depression. However, the role of TSPO in SCI-pain and pain-induced depression remains unknown. The present study aimed to determine the effects of a new TSPO ligand, ZBD-2, on SCI-pain and consequent pain-induced depressive-like behaviors in mice. Treatment with ZBD-2 at either dose significantly attenuated the symptoms of chronic SCI-pain and pain-induced depressive-like behaviors. ZBD-2 reversed SCI-induced elevation of serum corticosterone levels, an index of hyper-activation of the hypothalamic–pituitary–adrenal (HPA) axis. Additionally, administration of ZBD-2 inhibited decreases in the expression of synaptic plasticity-related signaling proteins, including brain-derived neurotrophic factor (BDNF) and cyclic AMP-responsive element binding protein (CREB). Moreover, ZBD-2 administration reversed chronic, SCI-induced gliocyte activation at the lesion site. Therefore, ZBD-2 may improve chronic SCI-pain and pain-induced depressive-like behaviors via suppression of gliocyte activation and restoration of the synaptic plasticity-related signaling systems.
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Affiliation(s)
- Xiao-Ming Li
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China
| | - Jia Meng
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China
| | - Lin Tao Li
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China
| | - Ting Guo
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China
| | - Liu-Kun Yang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Qi-Xin Shi
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Xu-Bo Li
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Yong Chen
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China.
| | - Qi Yang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China.
| | - Jian-Ning Zhao
- Department of Orthopedics, Jinling Hospital, Clinical School of Nanjing, Second Military Medical University, Nanjing, 210002, China.
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Zhu Y, Duan X, Cheng X, Cheng X, Li X, Zhang L, Liu P, Su S, Duan JA, Dong TTX, Tsim KWK, Huang F. Kai-Xin-San, a standardized traditional Chinese medicine formula, up-regulates the expressions of synaptic proteins on hippocampus of chronic mild stress induced depressive rats and primary cultured rat hippocampal neuron. JOURNAL OF ETHNOPHARMACOLOGY 2016; 193:423-432. [PMID: 27660009 DOI: 10.1016/j.jep.2016.09.037] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 09/01/2016] [Accepted: 09/18/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Kai-xin-san (KXS), composed of Ginseng Radix et Rhizoma, Polygalae Radix, Acori Tatarinowii Rhizoma and Poria, is a famous Chinese medicinal formula applied for treating stress-related psychiatric disease with the symptoms such as depression, forgetfulness and dizziness. Dependent on the symptom differentiation of patients, the composition ratio of KXS was varied and one ratio of 3:2:2:3 was widely applied. However, its molecular mechanism has seldom been investigated. PURPOSE We aimed to reveal the action mechanism of KXS on anti-depression on synaptic protein regulation in both in vivo and in vitro models. STUDY DESIGN/METHODS Firstly, the anti-depression effect of KXS was evaluated on a chronic mild stress induced depressive animal model and the mRNA expressions of various synaptic proteins in hippocampus of the depressive rat brains were determined. Then, KXS with different ratios as well as single herb were further evaluated on rat primary cultured hippocampus neurons and the possible signaling pathway was explored. RESULTS Intra-gastric administration of a chemically standardized KXS for only 6h significantly alleviated the CUMS-induced depressive symptoms displayed by enhanced sucrose consumption and this effect was maintained after daily treatment for seven days. Simultaneously, the mRNA expressions of various synaptic proteins in hippocampus were regulated. Among these synaptic proteins, synaptotagmin (pre-synaptic marker) and post synaptic density protein (post-synaptic marker), with the higher altered magnitude on animal model, were further evaluated on rat primary cultured hippocampus neurons. After neuronal cultures treated with three ratios of KXS at the early and late stages of its life episode, the expression levels of synaptotagmin and PSD95 were both enhanced dramatically via stimulating cAMP dependent pathway. However, different ratio exerted different efficacy. The ratio with higher amounts of Ginseng Radix et Rhizoma and Polygalae Radix showed better effect in early life episode while higher amounts of Acori Tatarinowii Rhizoma and Poria behaved better in late life episode. The contribution of single herb on expressions of synaptic proteins was also evaluated. CONCLUSIONS KXS was beneficial for synaptogenesis by inducing synaptic protein expressions, which might account for its anti-depression effect.
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Affiliation(s)
- Yue Zhu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China.
| | - Xiuzhu Duan
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Xiaoxuan Cheng
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Xiaonan Cheng
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Xu Li
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
| | - Liu Zhang
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Pei Liu
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Shulan Su
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Jin-Ao Duan
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae and Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China.
| | - Tina Ting-Xia Dong
- Division of Life Science and Center for Chinese Medicine, Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Karl Wah-Keung Tsim
- Division of Life Science and Center for Chinese Medicine, Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Fei Huang
- Department of Endocrinology, Suzhou Hospital of traditional Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Suzhou, Jiangsu Province, China
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Zhang LM, Wang YL, Liu YQ, Xue R, Zhang YZ, Yang RF, Li YF. Antidepressant-like effects of YL-IPA08, a potent ligand for the translocator protein (18 kDa) in chronically stressed rats. Neuropharmacology 2016; 113:567-575. [PMID: 27845056 DOI: 10.1016/j.neuropharm.2016.11.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 10/19/2016] [Accepted: 11/02/2016] [Indexed: 10/20/2022]
Abstract
The present study aimed to examine the molecular and cellular mechanisms underlying the antidepressant-like effect of YL-IPA08, a novel TSPO ligand designed and synthesized at our institute. We firstly used the chronic unpredictable stress (CUS) procedure of rats, a well validated stress-related animal model of depression, to further determine the antidepressant-like of YL-IPA08. And we found that YL-IPA08 caused significant suppression of inhibiting of locomotor activity, reducing the sucrose preference and increasing the latency to eat induced by CUS. In addition, YL-IPA08 treatment increased the levels of progesterone and allopregnanolone in the hippocampus and prefrontal cortex of post- CUS rats. Furthermore, long-term YL-IPA08 administration reversed dendritic shrinkage, down-regulation of neurotrophic signaling pathway within the hippocampus, as well as HPA dysfunctions simultaneously observed in the CUS rats. Collectively, the evidence presented above supports the notion that binding to TSPO and the subsequent synthesis of neurosteroid, maintenance of hippocampal morphologic and functional plasticity, and preventing HPA axis dysfunction, may account for the profound molecular and cellular mechanism underlying the antidepressant-like effect of YL-IPA08.
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Affiliation(s)
- Li-Ming Zhang
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Yu-Lu Wang
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
| | - Yan-Qin Liu
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Rui Xue
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - You-Zhi Zhang
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Ri-Fang Yang
- Department of Medicinal Chemistry, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
| | - Yun-Feng Li
- Department of New Drug Evaluation, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
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Harada A, Suzuki K, Kimura H. TAK-063, a Novel Phosphodiesterase 10A Inhibitor, Protects from Striatal Neurodegeneration and Ameliorates Behavioral Deficits in the R6/2 Mouse Model of Huntington's Disease. J Pharmacol Exp Ther 2016; 360:75-83. [PMID: 27811172 DOI: 10.1124/jpet.116.237388] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 10/28/2016] [Indexed: 01/10/2023] Open
Abstract
Huntington's disease (HD) is characterized by progressive loss of striatal medium spiny neurons (MSNs) that constitute direct and indirect pathways: the indirect pathway MSNs is more vulnerable than the direct pathway MSNs. Impairment of cAMP/cGMP signaling by mutant huntingtin is hypothesized as the molecular mechanism underlying degeneration of MSNs. Phosphodiesterase 10A (PDE10A) is selectively expressed in MSNs and degrades both cAMP and cGMP; thus, PDE10A inhibition can restore impaired cAMP/cGMP signaling. Compared with other PDE10A inhibitors, a novel PDE10A inhibitor 1-[2-fluoro-4-(1H-pyrazol-1-yl)phenyl]-5-methoxy-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-4(1H)-one (TAK-063) showed comparable activation of the indirect pathway MSNs, whereas it produced partial activation of the direct pathway MSNs by its faster off-rate property. In this study, we report the effects of TAK-063 on striatal neurodegeneration and behavioral deficits in the R6/2 mouse model of HD. TAK-063 at 0.5 or 5 mg/kg/day was orally administrated from 4.5-5 to 12 weeks of age, and the effects of TAK-063 were characterized over this period. Repeated treatment with TAK-063 suppressed the reduction of brain-derived neurotrophic factor levels, prevented striatal neurodegeneration, and suppressed increase in seizure frequency, but did not prevent the suppression of body weight gain. As for motor deficits, TAK-063 suppressed the development of clasping behavior and motor dysfunctions, including decreased motor activity in the open field, but did not improve the impairment in motor coordination on the rotarod. Regarding cognitive functions, TAK-063 improved deficits in procedural learning, but was ineffective for deficits in contextual memory. These results suggest that TAK-063 reduces striatal neurodegeneration and ameliorates behavioral deficits in R6/2 mice.
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Affiliation(s)
- Akina Harada
- CNS Drug Discovery Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa, Kanagawa, Japan
| | - Kazunori Suzuki
- CNS Drug Discovery Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa, Kanagawa, Japan
| | - Haruhide Kimura
- CNS Drug Discovery Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa, Kanagawa, Japan
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Zhou L, Ma SL, Yeung PKK, Wong YH, Tsim KWK, So KF, Lam LCW, Chung SK. Anxiety and depression with neurogenesis defects in exchange protein directly activated by cAMP 2-deficient mice are ameliorated by a selective serotonin reuptake inhibitor, Prozac. Transl Psychiatry 2016; 6:e881. [PMID: 27598965 PMCID: PMC5048194 DOI: 10.1038/tp.2016.129] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 05/03/2016] [Accepted: 05/05/2016] [Indexed: 01/29/2023] Open
Abstract
Intracellular cAMP and serotonin are important modulators of anxiety and depression. Fluoxetine, a selective serotonin reuptake inhibitor (SSRI) also known as Prozac, is widely used against depression, potentially by activating cAMP response element-binding protein (CREB) and increasing brain-derived neurotrophic factor (BDNF) through protein kinase A (PKA). However, the role of Epac1 and Epac2 (Rap guanine nucleotide exchange factors, RAPGEF3 and RAPGEF4, respectively) as potential downstream targets of SSRI/cAMP in mood regulations is not yet clear. Here, we investigated the phenotypes of Epac1 (Epac1(-/-)) or Epac2 (Epac2(-/-)) knockout mice by comparing them with their wild-type counterparts. Surprisingly, Epac2(-/-) mice exhibited a wide range of mood disorders, including anxiety and depression with learning and memory deficits in contextual and cued fear-conditioning tests without affecting Epac1 expression or PKA activity. Interestingly, rs17746510, one of the three single-nucleotide polymorphisms (SNPs) in RAPGEF4 associated with cognitive decline in Chinese Alzheimer's disease (AD) patients, was significantly correlated with apathy and mood disturbance, whereas no significant association was observed between RAPGEF3 SNPs and the risk of AD or neuropsychiatric inventory scores. To further determine the detailed role of Epac2 in SSRI/serotonin/cAMP-involved mood disorders, we treated Epac2(-/-) mice with a SSRI, Prozac. The alteration in open field behavior and impaired hippocampal cell proliferation in Epac2(-/-) mice were alleviated by Prozac. Taken together, Epac2 gene polymorphism is a putative risk factor for mood disorders in AD patients in part by affecting the hippocampal neurogenesis.
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Affiliation(s)
- L Zhou
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - S L Ma
- Department of Psychiatry, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - P K K Yeung
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Y H Wong
- Division of Life Science and the Biotechnology Research Institute, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China,State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China
| | - K W K Tsim
- State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China,Division of Life Science and Center for Chinese Medicine, Hong Kong University of Science and Technology, Clear Water Bay, Clear Water Bay, Hong Kong SAR, China
| | - K F So
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,Research Center of Heart, Brain, Hormone and Healthy Aging, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,State Key Laboratory of Brain and Cognitive Science, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,Department of Ophthalmology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - L C W Lam
- Department of Psychiatry, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - S K Chung
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,Research Center of Heart, Brain, Hormone and Healthy Aging, The University of Hong Kong, Pokfulam, Hong Kong SAR, China,School of Biomedical Sciences, The University of Hong Kong, 1/F, Laboratory Block, Faculty of Medicine Building, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China. E-mail:
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Antidepressant-like effects of standardized gypenosides: involvement of brain-derived neurotrophic factor signaling in hippocampus. Psychopharmacology (Berl) 2016; 233:3211-21. [PMID: 27385417 DOI: 10.1007/s00213-016-4357-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Accepted: 06/13/2016] [Indexed: 12/19/2022]
Abstract
RATIONALE Gypenosides have been reported to produce neuroprotective effects and increase monoamine neurotransmitter levels in the brain. OBJECTIVE Considering that depression is involved in monoamine reduction, this study evaluated the antidepressant-like effects of gypenosides in mice exposed to chronic unpredictable mild stress (CUMS). METHODS The sucrose preference test and forced swimming test were performed after administration of gypenosides (at 25, 50, or 100 mg/kg) for 4 weeks. Hippocampal brain-derived neurotrophic factor (BDNF) and its downstream targets were analyzed by western blot. Additionally, hippocampal neuronal proliferation was measured by immunohistochemistry. RESULTS Four-week treatment with fluoxetine (20 mg/kg) and gypenosides (at either 50 or 100 mg/kg) increased sucrose preference and decreased the immobility time in mice exposed to CUMS. In addition, gypenosides (at either 50 or 100 mg/kg) also increased BDNF expression and neuronal proliferation in the hippocampus of CUMS animals. Further, we showed that treating CUMS mice with K252a, which is an inhibitor of the BDNF receptor TrkB, blocked the effects of gypenosides (100 mg/kg), including behavioral improvements, neuronal proliferation, and up-regulation of p-TrkB, p-ERK, and p-Akt proteins. CONCLUSIONS This study demonstrates that gypenosides exhibit antidepressant-like effects in mice, which may be mediated by activation of the BDNF-ERK/Akt signaling pathway in the hippocampus.
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