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Campbell IH, Campbell H. The metabolic overdrive hypothesis: hyperglycolysis and glutaminolysis in bipolar mania. Mol Psychiatry 2024:10.1038/s41380-024-02431-w. [PMID: 38273108 DOI: 10.1038/s41380-024-02431-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 12/12/2023] [Accepted: 01/11/2024] [Indexed: 01/27/2024]
Abstract
Evidence from diverse areas of research including chronobiology, metabolomics and magnetic resonance spectroscopy indicate that energy dysregulation is a central feature of bipolar disorder pathophysiology. In this paper, we propose that mania represents a condition of heightened cerebral energy metabolism facilitated by hyperglycolysis and glutaminolysis. When oxidative glucose metabolism becomes impaired in the brain, neurons can utilize glutamate as an alternative substrate to generate energy through oxidative phosphorylation. Glycolysis in astrocytes fuels the formation of denovo glutamate, which can be used as a mitochondrial fuel source in neurons via transamination to alpha-ketoglutarate and subsequent reductive carboxylation to replenish tricarboxylic acid cycle intermediates. Upregulation of glycolysis and glutaminolysis in this manner causes the brain to enter a state of heightened metabolism and excitatory activity which we propose to underlie the subjective experience of mania. Under normal conditions, this mechanism serves an adaptive function to transiently upregulate brain metabolism in response to acute energy demand. However, when recruited in the long term to counteract impaired oxidative metabolism it may become a pathological process. In this article, we develop these ideas in detail, present supporting evidence and propose this as a novel avenue of investigation to understand the biological basis for mania.
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Affiliation(s)
- Iain H Campbell
- Division of Psychiatry, Centre for Clinical Brain Sciences, University of Edinburgh, Kennedy Tower, Royal Edinburgh Hospital, Edinburgh, EH10 5HF, UK.
| | - Harry Campbell
- Usher Institute, Centre for Global Health Research, University of Edinburgh, Craigour House, 450 Old Dalkeith Rd, Edinburgh, EH16 4SS, UK
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Hartz RA, Ahuja VT, Luo G, Chen L, Sivaprakasam P, Xiao H, Krause CM, Clarke WJ, Xu S, Tokarski JS, Kish K, Lewis H, Szapiel N, Ravirala R, Mutalik S, Nakmode D, Shah D, Burton CR, Macor JE, Dubowchik GM. Discovery of 2-(Anilino)pyrimidine-4-carboxamides as Highly Potent, Selective, and Orally Active Glycogen Synthase Kinase-3 (GSK-3) Inhibitors. J Med Chem 2023. [PMID: 37235865 DOI: 10.1021/acs.jmedchem.3c00364] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Glycogen synthase kinase-3 (GSK-3) is a serine/threonine kinase that serves as an important regulator of a broad range of cellular functions. It has been linked to Alzheimer's disease as well as various other diseases, including mood disorders, type 2 diabetes, and cancer. There is considerable evidence indicating that GSK-3β in the central nervous system plays a role in the production of abnormal, hyperphosphorylated, microtubule-associated tau protein found in neurofibrillary tangles associated with Alzheimer's disease. A series of analogues containing a pyrimidine-based hinge-binding heterocycle was synthesized and evaluated, leading to the identification of highly potent GSK-3 inhibitors with excellent kinase selectivity. Further evaluation of 34 and 40 in vivo demonstrated that these compounds are orally bioavailable, brain-penetrant GSK-3 inhibitors that lowered levels of phosphorylated tau in a triple-transgenic mouse Alzheimer's disease model.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Ramu Ravirala
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Sayali Mutalik
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Deepa Nakmode
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Devang Shah
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
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Hartz RA, Ahuja VT, Sivaprakasam P, Xiao H, Krause CM, Clarke WJ, Kish K, Lewis H, Szapiel N, Ravirala R, Mutalik S, Nakmode D, Shah D, Burton CR, Macor JE, Dubowchik GM. Design, Structure-Activity Relationships, and In Vivo Evaluation of Potent and Brain-Penetrant Imidazo[1,2- b]pyridazines as Glycogen Synthase Kinase-3β (GSK-3β) Inhibitors. J Med Chem 2023; 66:4231-4252. [PMID: 36950863 DOI: 10.1021/acs.jmedchem.3c00133] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Glycogen synthase kinase-3 (GSK-3) is a serine/threonine kinase that regulates numerous cellular processes, including metabolism, proliferation, and cell survival. Due to its multifaceted role, GSK-3 has been implicated in a variety of diseases, including Alzheimer's disease, type 2 diabetes, cancer, and mood disorders. GSK-3β has been linked to the formation of the neurofibrillary tangles associated with Alzheimer's disease that arise from the hyperphosphorylation of tau protein. The design and synthesis of a series of imidazo[1,2-b]pyridazine derivatives that were evaluated as GSK-3β inhibitors are described herein. Structure-activity relationship studies led to the identification of potent GSK-3β inhibitors. In vivo studies with 47 in a triple-transgenic mouse Alzheimer's disease model showed that this compound is a brain-penetrant, orally bioavailable GSK-3β inhibitor that significantly lowered levels of phosphorylated tau.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Ramu Ravirala
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Sayali Mutalik
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Deepa Nakmode
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
| | - Devang Shah
- Biocon-Bristol Myers Squibb Research and Development Center, Biocon Park, Plot No. 2 & 3, Bommasandra Phase IV, Jigani Link Road, Bangalore 560099, India
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Ntona S, Papaefthymiou A, Kountouras J, Gialamprinou D, Kotronis G, Boziki M, Polyzos SA, Tzitiridou M, Chatzopoulos D, Thavayogarajah T, Gkolia I, Ntonas G, Vardaka E, Doulberis M. Impact of nonalcoholic fatty liver disease-related metabolic state on depression. Neurochem Int 2023; 163:105484. [PMID: 36634820 DOI: 10.1016/j.neuint.2023.105484] [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: 08/22/2022] [Revised: 12/15/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD), also recently referred as metabolic (dysfunction)-associated fatty liver disease (MAFLD), is characterized by hepatocyte steatosis in the setting of metabolic risk conditions and in the absence of an underlying precursor, for instance alcohol consumption, hepatotropic viruses and hepatotoxic drugs. A possible association between NAFLD and depression has been proposed, owing to intersecting pathophysiological pathways. This narrative review aimed to summarize the current evidence that illustrate the potential pathophysiological and clinical linkage between NAFLD-related metabolic state and depression. Prefrontal cortex lesions are suggested to be a consequence of liver steatosis-associated systematic hyperinflammatory state, a phenomenon also occurring in depression. In addition, depressive symptoms are present in neurotransmitter imbalances. These abnormalities seem to be correlated with NAFLD/MAFLD, in terms of insulin resistance (IR), ammonia and gut dysbiosis' impact on serotonin, dopamine, noradrenaline levels and gamma aminobutyric acid receptors. Furthermore, reduced levels of nesfatin-1 and copine-6-associated BDNF (brain-derived neurotrophic factor) levels have been considered as a probable link between NAFLD and depression. Regarding NAFLD-related gut dysbiosis, it stimulates mediators including lipopolysaccharides, short-chain fatty acids and bile acids, which play significant role in depression. Finally, western diet and IR, which are mainstay components of NAFLD/MAFLD, are, also, substantiated to affect neurotransmitters in hippocampus and produce neurotoxic lipids that contribute to neurologic dysfunction, and thus trigger emotional disturbances, mainly depressive symptoms.
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Affiliation(s)
- Smaragda Ntona
- Alexandrovska University Hospital, Medical University Sofia, 1431, Sofia, Bulgaria
| | - Apostolis Papaefthymiou
- Department of Gastroenterology, University Hospital of Larisa, 41110, Mezourlo, Larissa, Thessaly, Greece; First Laboratory of Pharmacology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Macedonia, Greece; Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece
| | - Jannis Kountouras
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece.
| | - Dimitra Gialamprinou
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece; Second Neonatal Department and NICU, Papageorgiou General Hospital, Aristotle University of Thessaloniki, 56403, Thessaloniki, Macedonia, Greece
| | - Georgios Kotronis
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece; Department of Internal Medicine, General Hospital Aghios Pavlos of Thessaloniki, 55134, Thessaloniki, Macedonia, Greece
| | - Marina Boziki
- Second Neurological Department, Aristotle University of Thessaloniki, AHEPA University General Hospital of Thessaloniki, Thessaloniki, 54636, Macedonia, Greece
| | - Stergios A Polyzos
- First Laboratory of Pharmacology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Macedonia, Greece
| | - Maria Tzitiridou
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece; School of Healthcare Sciences, Midwifery Department, University of West Macedonia, Koila, Kozani, 50100, Macedonia, Greece
| | - Dimitrios Chatzopoulos
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece
| | - Tharshika Thavayogarajah
- Department of Medical Oncology and Hematology, University Hospital and University of Zurich, 8091, Zurich, Switzerland
| | - Ioanna Gkolia
- Psychiatric Hospital of Thessaloniki, 54634, Stavroupoli, Macedonia, Greece
| | - Georgios Ntonas
- Department of Anesthesiology, Agios Dimitrios General Hospital, 54635, Thessaloniki, Macedonia, Greece
| | - Elisabeth Vardaka
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece; Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400, Thessaloniki, Greece
| | - Michael Doulberis
- Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 54642, Thessaloniki, Macedonia, Greece; Department of Gastroenterology and Hepatology, University of Zurich, 8091, Zurich, Switzerland; Division of Gastroenterology and Hepatology, Medical University Department, Kantonsspital Aarau, 5001, Aarau, Switzerland
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Structure-activity relationship (SAR) studies on substituted N-(pyridin-3-yl)-2-amino-isonicotinamides as highly potent and selective glycogen synthase kinase-3 (GSK-3) inhibitors. Bioorg Med Chem Lett 2023; 81:129143. [PMID: 36669575 DOI: 10.1016/j.bmcl.2023.129143] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/09/2023] [Accepted: 01/15/2023] [Indexed: 01/19/2023]
Abstract
In our continuing efforts to explore structure-activity relationships around the novel class of potent, isonicotinamide-based GSK3 inhibitors described in our previous report, we extensively explored structural variations around both 4/5-pyridine substitutions and the amide group. Some analogs were found to have greatly improved pTau lowering potency while retaining high kinase selectivity. In contrast to previous active compounds 1a-c, a close analog 3h did not show in vivo efficacy in a triple-transgenic mouse Alzheimer's disease model. In general, these 2‑pyridinyl amide derivatives were prone to amidase mediated hydrolysis in mouse plasma.
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Chang H, Cai X, Yang ZH, Xiao X, Li M. Regulation of TRANK1 by GSK-3 in the brain: unexpected interactions. Mol Psychiatry 2021; 26:6109-6111. [PMID: 33931729 DOI: 10.1038/s41380-021-01120-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/31/2021] [Accepted: 04/13/2021] [Indexed: 12/22/2022]
Affiliation(s)
- Hong Chang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Xin Cai
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Zhi-Hui Yang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Xiao Xiao
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Ming Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China. .,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan, China. .,KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China. .,CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.
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Lithium and Atypical Antipsychotics: The Possible WNT/β Pathway Target in Glaucoma. Biomedicines 2021; 9:biomedicines9050473. [PMID: 33925885 PMCID: PMC8146329 DOI: 10.3390/biomedicines9050473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 12/13/2022] Open
Abstract
Glaucoma is a progressive neurodegenerative disease that represents the major cause of irreversible blindness. Recent findings have shown which oxidative stress, inflammation, and glutamatergic pathway have main roles in the causes of glaucoma. Lithium is the major commonly used drug for the therapy of chronic mental illness. Lithium therapeutic mechanisms remain complex, including several pathways and gene expression, such as neurotransmitter and receptors, circadian modulation, ion transport, and signal transduction processes. Recent studies have shown that the benefits of lithium extend beyond just the therapy of mood. Neuroprotection against excitotoxicity or brain damages are other actions of lithium. Moreover, recent findings have investigated the role of lithium in glaucoma. The combination of lithium and atypical antipsychotics (AAPs) has been the main common choice for the treatment of bipolar disorder. Due to the possible side effects gradually introduced in therapy. Currently, no studies have focused on the possible actions of AAPs in glaucoma. Recent studies have shown a down regulation of the WNT/β-catenin pathway in glaucoma, associated with the overactivation of the GSK-3β signaling. The WNT/β-catenin pathway is mainly associated with oxidative stress, inflammation and glutamatergic pathway. Lithium is correlated with upregulation the WNT/β-catenin pathway and downregulation of the GSK-3β activity. Thus, this review focuses on the possible actions of lithium and AAPs, as possible therapeutic strategies, on glaucoma and some of the presumed mechanisms by which these drugs provide their possible benefit properties through the WNT/β-catenin pathway.
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Czeleń P, Szefler B. The Oxindole Derivatives, New Promising GSK-3β Inhibitors as One of the Potential Treatments for Alzheimer's Disease-A Molecular Dynamics Approach. BIOLOGY 2021; 10:biology10040332. [PMID: 33920768 PMCID: PMC8071161 DOI: 10.3390/biology10040332] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/13/2021] [Accepted: 04/13/2021] [Indexed: 12/02/2022]
Abstract
Simple Summary Enzymatic overexpression is a determinant of the development of many diseases. Increased activity of the GSK-3β enzyme is a factor that manifests itself in the development of numerous disease entities such as Alzheimer’s disease, schizophrenia, diabetes and cancers. An important medical procedure in such cases is the inhibition of enzyme activity. Based on the comprehensive use of computational chemistry methods, a group of new compounds derived from 2-oxindole was designed. The conducted research allowed the assessment of the conformational properties of the ligand molecules in the GSK-3β active site, the dynamic stability of the obtained complexes and their exact energetic characteristics. Taking into account the obtained data, a narrow group of derivatives showing an affinity for the active site of the GSK-3β enzyme was selected. The comparison of binding properties of selected 2-oxindole derivatives with an inhibitor with confirmed pharmacological activity indicates the high application potential of the newly developed compounds. Abstract The glycogen synthase kinase 3β (GSK-3β) is a protein kinase involved in regulating numerous physiological processes such as embryonic development, transcription, insulin action, cell division cycle and multiple neuronal functions. The overexpression of this enzyme is related to many diseases such as schizophrenia, Alzheimer’s disease, diabetes and cancer. One of the basic methods of treatment in these cases is the usage of ATP-competitive inhibitors. A significant group of such compounds are indirubin and its analogs, e.g., oxindole derivatives. The compounds considered in this work are 112 newly designed oxindole derivatives. In the first stage, such molecular properties of considered compounds as toxicity and LogP were estimated. The preliminary analysis of the binding capabilities of considered compounds towards the GSK-3β active site was conducted with the use of the docking procedure. Based on obtained molecular properties and docking simulations, a selected group of complexes that were analyzed in the molecular dynamics stage was nominated. The proposed procedure allowed for the identification of compounds such as Oxind_4_9 and Oxind_13_10, which create stable complexes with GSK-3β enzyme and are characterized by the highest values of binding affinity. The key interactions responsible for stabilization of considered ligand–protein complexes were identified, and their dynamic stability was also determined. Comparative analysis including analyzed compounds and reference molecule 3a, which is also an oxindole derivative with a confirmed inhibitory potential towards GSK3B protein, clearly indicates that the proposed compounds exhibit an analogous binding mechanism, and the obtained binding enthalpy values indicate a slightly higher binding potential than the reference molecule.
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Vallée A, Vallée JN, Lecarpentier Y. Lithium: a potential therapeutic strategy in obsessive-compulsive disorder by targeting the canonical WNT/β pathway. Transl Psychiatry 2021; 11:204. [PMID: 33828076 PMCID: PMC8027628 DOI: 10.1038/s41398-021-01329-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/26/2021] [Accepted: 03/19/2021] [Indexed: 02/02/2023] Open
Abstract
Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder characterized b-y recurrent and distinctive obsessions and/or compulsions. The etiologies remain unclear. Recent findings have shown that oxidative stress, inflammation, and the glutamatergic pathway play key roles in the causes of OCD. However, first-line therapies include cognitive-behavioral therapy but only 40% of the patients respond to this first-line therapy. Research for a new treatment is mandatory. This review focuses on the potential effects of lithium, as a potential therapeutic strategy, on OCD and some of the presumed mechanisms by which lithium provides its benefit properties. Lithium medication downregulates GSK-3β, the main inhibitor of the WNT/β-catenin pathway. The activation of the WNT/β-catenin could be associated with the control of oxidative stress, inflammation, and glutamatergic pathway. Future prospective clinical trials could focus on lithium and its different and multiple interactions in OCD.
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Affiliation(s)
- Alexandre Vallée
- Department of Clinical Research and Innovation (DRCI), Foch Hospital, 92150, Suresnes, France.
| | - Jean-Noël Vallée
- Centre Hospitalier Universitaire (CHU) Amiens Picardie, Université Picardie Jules Verne, 80054, Amiens, France
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l'Est Francilien (GHEF), 77100, Meaux, France
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Vallée A, Vallée JN, Lecarpentier Y. Parkinson's Disease: Potential Actions of Lithium by Targeting the WNT/β-Catenin Pathway, Oxidative Stress, Inflammation and Glutamatergic Pathway. Cells 2021; 10:230. [PMID: 33503974 PMCID: PMC7911116 DOI: 10.3390/cells10020230] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/04/2021] [Accepted: 01/08/2021] [Indexed: 12/13/2022] Open
Abstract
Parkinson's disease (PD) is one of the major neurodegenerative diseases (ND) which presents a progressive neurodegeneration characterized by loss of dopamine in the substantia nigra pars compacta. It is well known that oxidative stress, inflammation and glutamatergic pathway play key roles in the development of PD. However, therapies remain uncertain and research for new treatment is mandatory. This review focuses on the potential effects of lithium, as a potential therapeutic strategy, on PD and some of the presumed mechanisms by which lithium provides its benefit properties. Lithium medication downregulates GSK-3beta, the main inhibitor of the WNT/β-catenin pathway. The stimulation of the WNT/β-catenin could be associated with the control of oxidative stress, inflammation, and glutamatergic pathway. Future prospective clinical trials could focus on lithium and its different and multiple interactions in PD.
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Affiliation(s)
- Alexandre Vallée
- Department of Clinical Research and Innovation (DRCI), Hôpital Foch, 92150 Suresnes, France
| | - Jean-Noël Vallée
- Centre Hospitalier Universitaire (CHU) Amiens Picardie, Université Picardie Jules Verne (UPJV), 80054 Amiens, France;
- Laboratoire de Mathématiques et Applications (LMA), UMR CNRS 7348, Université de Poitiers, 86021 Poitiers, France
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l’Est Francilien (GHEF), 6-8 rue Saint-Fiacre, 77100 Meaux, France;
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Accumulation of Lithium in the Hippocampus of Patients With Bipolar Disorder: A Lithium-7 Magnetic Resonance Imaging Study at 7 Tesla. Biol Psychiatry 2020; 88:426-433. [PMID: 32340717 DOI: 10.1016/j.biopsych.2020.02.1181] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 01/14/2020] [Accepted: 02/03/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND Lithium (Li) is a first-line treatment for bipolar disorder (BD). To study its cerebral distribution and association with plasma concentrations, we used 7Li magnetic resonance imaging at 7T in euthymic patients with BD treated with Li carbonate for at least 2 years. METHODS Three-dimensional 7Li magnetic resonance imaging scans (N = 21) were acquired with an ultra-short echo-time sequence using a non-Cartesian k-space sampling scheme. Lithium concentrations ([Li]) were estimated using a phantom replacement approach accounting for differential T1 and T2 relaxation effects. In addition to the determination of mean regional [Li] from 7 broad anatomical areas, voxel- and parcellation-based group analyses were conducted for the first time for 7Li magnetic resonance imaging. RESULTS Using unprecedented spatial sensitivity and specificity, we were able to confirm the heterogeneity of the brain Li distribution and its interindividual variability, as well as the strong correlation between plasma and average brain [Li] ([Li]B ≈ 0.40 × [Li]P, R = .74). Remarkably, our statistical analysis led to the identification of a well-defined and significant cluster corresponding closely to the left hippocampus for which high Li content was displayed consistently across our cohort. CONCLUSIONS This observation could be of interest considering 1) the major role of the hippocampus in emotion processing and regulation, 2) the consistent atrophy of the hippocampus in untreated patients with BD, and 3) the normalization effect of Li on gray matter volumes. This study paves the way for the elucidation of the relationship between Li cerebral distribution and its therapeutic response, notably in newly diagnosed patients with BD.
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Capurro V, Lanfranco M, Summa M, Porceddu PF, Ciampoli M, Margaroli N, Durando L, Garrone B, Ombrato R, Tongiani S, Reggiani A. The mood stabilizing properties of AF3581, a novel potent GSK-3β inhibitor. Biomed Pharmacother 2020; 128:110249. [PMID: 32470749 DOI: 10.1016/j.biopha.2020.110249] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/29/2020] [Accepted: 05/10/2020] [Indexed: 01/14/2023] Open
Abstract
Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzyme and highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients. Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzyme and highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients. Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzymeand highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients. Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzyme and highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients. Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzyme and highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients. Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzyme and highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients. Glycogen synthase kinase 3β (GSK-3β) is a serine/threonine protein kinase mediating phosphorylation on serine and threonine amino acid residues of several target molecules. The enzyme is involved in the regulation of many cellular processes and aberrant activity of GSK-3β has been linked to several disease conditions. There is now large evidence on the role of GSK-3β in the pathophysiology of mood disturbances with special regard to bipolar disorders. In the present study we further investigated the role of GSK-3β in bipolar disorders by studying AF3581, the prototype of a novel class of ATP-competitive GSK-3β inhibitors having the common N-[(1- alkylpiperidin-4-yl) methyl]-1H-indazole-3-carboxamide scaffold. Based on previous studies, AF3581 inhibits GSK-3β in the nanomolar range on purified human enzyme and highly selective with respect to other kinases. Current study demonstrates that the compound has efficacy both in the chronic mild stress paradigm of depression (mimicking the down phase of bipolar disorder) and on mice aggressiveness in the resident intruder model (mimicking the up phase). These findings underline the importance of aberrant GSK-3β activity in the development/ maintenance of mood oscillation in this peculiar pathological condition. Moreover, the present work also suggests a therapeutic potential for selective GSK-3 β inhibitors in the management of bipolar disorders patients.
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Affiliation(s)
- Valeria Capurro
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy.
| | - Massimiliano Lanfranco
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Maria Summa
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Pier Francesca Porceddu
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Mariasole Ciampoli
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Natasha Margaroli
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Lucia Durando
- Angelini Pharma S.p.A., Viale Amelia, 70-00181, Rome, Italy
| | | | | | | | - Angelo Reggiani
- D3 Validation Research Line, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
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13
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Park J, Cheon W, Kim K. Effects of Long-Term Endurance Exercise and Lithium Treatment on Neuroprotective Factors in Hippocampus of Obese Rats. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17093317. [PMID: 32397675 PMCID: PMC7246857 DOI: 10.3390/ijerph17093317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 01/03/2023]
Abstract
To investigate the effects of long-term lithium treatment and low intensity endurance exercise on brain-derived neurotrophic factor (BDNF) expression and glycogen synthase kinase 3 beta (GSK3β) activity in the hippocampus of obese rats. Fifty 10-week-old male Sprague-Dawley rats were selected. There was a control group of 10 rats (chow control group) while the other forty rats were fed on a high-fat diet for eight weeks to induce obesity. Rats were then assigned into four random groups. The rats were given 10 mg/kg lithium chloride (LiCl) dissolved in 1 mL sterile distilled water once a day, 5 times a week. The rats did 20 min of treadmill walking with an exercise intensity of 40% maximal oxygen uptake (VO2 max) (12 m/min, slope 0%). This was performed for 20 min a day, 3 days a week. Twelve weeks of lithium treatment or endurance exercise significantly reduced body weight and body fat mass in obese rats, without showing additive effects when the treatments were given in parallel or significant toxic responses in alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels in blood and kidney and liver tissues. BDNF expression in the hippocampus was significantly increased both in exercise and lithium groups with synergistic effects found in the group where both exercise and lithium treatments were given in parallel. On the other hand, the decrease in GSK3β activity was shown only in the lithium treatment group, without showing additive effects when the treatments were given in parallel. Lithium and low-intensity endurance exercise for 12 weeks increased the expression of BDNF, a neuroprotective factor in the hippocampus of obese mice. Lithium treatment alone inhibited the activity of GSK3β. This can be interpreted as a positive indication of applicability of the two factors in the prevention of neurodegenerative diseases.
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Affiliation(s)
- Jusik Park
- Department of Taekwondo, College of Physical Education, Keimyung University, Daegu 42601, Korea;
| | - Wookwang Cheon
- Department of Physical Education, College of Physical Education, Keimyung University, Daegu 42601, Korea;
| | - Kijin Kim
- Department of Physical Education, College of Physical Education, Keimyung University, Daegu 42601, Korea;
- Correspondence: ; Tel.: +82-53-580-5256
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14
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Case KC, Salsaa M, Yu W, Greenberg ML. Regulation of Inositol Biosynthesis: Balancing Health and Pathophysiology. Handb Exp Pharmacol 2020; 259:221-260. [PMID: 30591968 DOI: 10.1007/164_2018_181] [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] [Indexed: 06/09/2023]
Abstract
Inositol is the precursor for all inositol compounds and is essential for viability of eukaryotic cells. Numerous cellular processes and signaling functions are dependent on inositol compounds, and perturbation of their synthesis leads to a wide range of human diseases. Although considerable research has been directed at understanding the function of inositol compounds, especially phosphoinositides and inositol phosphates, a focus on regulatory and homeostatic mechanisms controlling inositol biosynthesis has been largely neglected. Consequently, little is known about how synthesis of inositol is regulated in human cells. Identifying physiological regulators of inositol synthesis and elucidating the molecular mechanisms that regulate inositol synthesis will contribute fundamental insight into cellular processes that are mediated by inositol compounds and will provide a foundation to understand numerous disease processes that result from perturbation of inositol homeostasis. In addition, elucidating the mechanisms of action of inositol-depleting drugs may suggest new strategies for the design of second-generation pharmaceuticals to treat psychiatric disorders and other illnesses.
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Affiliation(s)
- Kendall C Case
- Department of Biological Sciences, Wayne State University, Detroit, MI, USA
| | - Michael Salsaa
- Department of Biological Sciences, Wayne State University, Detroit, MI, USA
| | - Wenxi Yu
- Department of Biological Sciences, Wayne State University, Detroit, MI, USA
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Miriam L Greenberg
- Department of Biological Sciences, Wayne State University, Detroit, MI, USA.
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15
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Suga Y, Yoshimoto K, Numata S, Shimodera S, Takamura S, Kamimura N, Sawada K, Kazui H, Ohmori T, Morinobu S. Structural variation in the glycogen synthase kinase 3β and brain-derived neurotrophic factor genes in Japanese patients with bipolar disorders. Neuropsychopharmacol Rep 2019; 40:46-51. [PMID: 31769621 PMCID: PMC7292225 DOI: 10.1002/npr2.12083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 10/20/2019] [Accepted: 10/21/2019] [Indexed: 01/06/2023] Open
Abstract
Background Lithium is the first‐line drug for the treatment of bipolar disorders (BDs); however, not all patients responded. Glycogen synthase kinase (GSK) 3β and brain‐derived neurotrophic factor (BDNF) play a role in the therapeutic action of lithium. Since structural variations were reported in these genes, it is possible that these genomic variations may be involved in the therapeutic responses to lithium. Method Fifty patients with BDs and 50 healthy subjects (mean age 55.0 ± 15.0 years; M/F 19/31) participated. We examined structural variation of the GSK3β and BDNF genes by real‐time PCR. We examined the influence of structural variation of these genes on the therapeutic responses to lithium and the occurrence of antidepressant‐emergent affective switch (AEAS). The efficacy of lithium was assessed using the Alda scale, and AEAS was evaluated using Young Mania Rating Scale. Results Although we examined structural variations within intron II and VII of the GSK3® gene and from the end of exon IV to intron IV and within exon IX of the BDNF gene, no structural variation was found in BDs. Whereas 5 of 50 patients exhibited three copies of the genomic region within exon IV of the BDNF gene, all healthy subjects had two copies. No difference in the therapeutic efficacy of lithium was found between patients with three and two copies. No difference in the occurrence of AEAS was found between the two groups. Conclusion The amplification of the BDNF gene influenced neither the therapeutic responses to lithium nor the occurrence of AEAS. Five of 50 patients with bipolar disorders exhibited three copies of the genomic region within exon IV of the BDNF gene. But, 50 healthy subjects had two copies. This amplification did not affect the therapeutic responses to lithium.![]()
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Affiliation(s)
- Yosuke Suga
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Nankoku, Japan
| | | | - Shusuke Numata
- Department of Psychiatry, Course of Integrated Brain Sciences, Medical Informatics, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
| | | | | | - Naoto Kamimura
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Ken Sawada
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Nankoku, Japan.,KOKORONO Support Center, Kochi Health Sciences Center, Ike, Japan
| | - Hiromitsu Kazui
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Nankoku, Japan
| | - Tetsuro Ohmori
- Department of Psychiatry, Course of Integrated Brain Sciences, Medical Informatics, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
| | - Shigeru Morinobu
- Department of Neuropsychiatry, Kochi Medical School, Kochi University, Nankoku, Japan.,Department of Occupational Therapy, School of Health Science and Social Welfare, KIBI International University, Takahashi, Japan
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16
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Lithium and GADL1 regulate glycogen synthase kinase-3 activity to modulate KCTD12 expression. Sci Rep 2019; 9:10255. [PMID: 31311980 PMCID: PMC6635502 DOI: 10.1038/s41598-019-46655-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 06/28/2019] [Indexed: 01/09/2023] Open
Abstract
Potassium channel tetramerization domain containing 12 (KCTD12), the auxiliary GABAB receptor subunit, is identified as a susceptibility gene for bipolar I (BPI) disorder in the Han Chinese population. Moreover, the single-nucleotide polymorphism (SNP) rs17026688 in glutamate decarboxylase–like protein 1 (GADL1) is shown to be associated with lithium response in Han Chinese BPI patients. In this study, we demonstrated for the first time the relationship among lithium, GADL1, and KCTD12. In circulating CD11b+ macrophage cells, BPI patients showed a significantly higher percentage of KCTD12 expression than healthy controls. Among BPI patients, carriers of the ‘T’ allele (i.e., CT or TT) at site rs17026688 were found to secrete lower amounts of GADL1 but higher amounts of GABA b receptor 2 (GABBR2) in the plasma. In human SH-SY5Y neuroblastoma cells, lithium treatment increased the percentage of KCTD12 expression. Through inhibition of glycogen synthase kinase-3 (GSK-3), lithium induced cyclic AMP-response element binding protein (CREB)–mediated KCTD12 promoter activation. On the other hand, GADL1 overexpression enhanced GSK-3 activation and inhibited KCTD12 expression. We found that lithium induced, whereas GADL1 inhibited, KCTD12 expression. These findings suggested that KCTD12 may be an important gene with respect to neuron excitability and lithium response in BPI patients. Therefore, targeting GSK-3 activity and/or KCTD12 expression may constitute a possible therapeutic strategy for treating patients with BPI disorder.
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17
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Wang LR, Kim SH, Baek SS. Effects of treadmill exercise on the anxiety-like behavior through modulation of GSK3β/β-catenin signaling in the maternal separation rat pup. J Exerc Rehabil 2019; 15:206-212. [PMID: 31111002 PMCID: PMC6509449 DOI: 10.12965/jer.1938094.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 02/26/2019] [Indexed: 01/08/2023] Open
Abstract
Maternal separation causes depression and anxiety. Exercise ameliorates maternal separation-induced depression. In this study, we investigated the effect of treadmill exercise on anxiety-like behavior in relation with glycogen synthase kinase 3 beta (GSK3β)/β-catenin pathway using maternal separation rat pups. For this study, elevated plus maze test, immunohistochemistry for serotonin (5-hydroxytryptamine, 5-HT), tryptophan hydroxylase (TPH), and western blot for total GSK3β (t-GSK3β), phosphorylated GSK3β (p-GSK3β), total β-catenin (t-β-catenin), and phosphorylated β-catenin (p-β-catenin) were conducted. The rat pups in the exercise groups were scheduled to run on a treadmill for 30 min once a day for 10 days, starting on postnatal day 21. For the rat pups in the fluoxetine-treated group, fluoxetine was orally administrated once a day for 10 consecutive days, starting on postnatal day 21. Anxiety-like behavior was appeared in the rat pups by maternal separation. Maternal separation suppressed 5-HT and TPH expression in the dorsal raphe. Maternal separation suppressed phosphorylation of GSK3β and increased phosphorylation of β-catenin in the hippocampus. However, treadmill exercise and fluoxetine treatment alleviated anxiety and increased 5-HT and TPH expression in the dorsal raphe. Treadmill exercise and fluoxetine treatment also enhanced GSK3β phosphorylation and suppressed β-catenin phosphorylation in the hippocampus. In this study, alleviating effect of treadmill exercise on maternal separation-induced anxiety appeared through enhancing 5-HT expression and GSK3β phosphorylation, and then inhibiting β-catenin phosphorylation. These results showed that treadmill exercise relieves anxiety through GSK3β/β-catenin pathway. Treadmill exercise showed similar ameliorating effect on anxiety-like behavior as fluoxetine.
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Affiliation(s)
- Lin Ru Wang
- Department of Sport & Health Care, College of Art & Culture, Sangmyung University, Seoul, Korea
| | - Sang-Hoon Kim
- Department of Sport & Health Care, College of Art & Culture, Sangmyung University, Seoul, Korea
| | - Seung-Soo Baek
- Department of Sport & Health Care, College of Art & Culture, Sangmyung University, Seoul, Korea
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18
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Malhi GS, Das P, Outhred T, Irwin L, Morris G, Hamilton A, Lynch K, Mannie Z. Understanding suicide: Focusing on its mechanisms through a lithium lens. J Affect Disord 2018; 241:338-347. [PMID: 30142593 DOI: 10.1016/j.jad.2018.08.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 12/31/2022]
Abstract
BACKGROUND Current intervention strategies have been slow in reducing suicide rates, particularly in mood disorders. Thus, for intervention and prevention, a new approach is necessary. Investigating the effects of a medication known for its anti-suicidal properties on neurobiological and neurocognitive substrates of suicidal thinking may provide a deeper and more meaningful understanding of suicide. METHOD A literature search of recognised databases was conducted to examine the intersection of suicide, mood disorders, and the mechanisms of lithium. RESULTS This review synthesises the extant evidence of putative suicide biomarkers and endophenotypes and melds these with known actions of lithium to provide a comprehensive picture of processes underlying suicide. Specifically, the central importance of glycogen synthase kinase-3β (GSK3β) is discussed in detail because it modulates multiple systems that have been repeatedly implicated in suicide, and which lithium also exerts effects on. LIMITATIONS Suicide also occurs outside of mood disorders but we limited our discussion to mood because of our focus on lithium and extending our existing model of suicidal thinking and behaviour that is contextualised within mood disorders. CONCLUSIONS Focusing on the neurobiological mechanisms underpinning suicidal thinking and behaviours through a lithium lens identifies important targets for assessment and intervention. The use of objective measures is critical and using these within a framework that integrates findings from different perspectives and domains of research is likely to yield replicable and validated markers that can be employed both clinically and for further investigation of this complex phenomenon.
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Affiliation(s)
- Gin S Malhi
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia.
| | - Pritha Das
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia
| | - Tim Outhred
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia
| | - Lauren Irwin
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia
| | - Grace Morris
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia
| | - Amber Hamilton
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia
| | - Katie Lynch
- NSW Health and Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia; Center for Neural Science, New York University, New York, NY 10003, USA
| | - Zola Mannie
- Academic Department of Psychiatry, Northern Sydney Local Health District, St Leonards, NSW Australia; Sydney Medical School Northern, University of Sydney, NSW Australia; CADE Clinic, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW Australia
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19
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Exercise preconditioning and low dose copper nanoparticles exhibits cardioprotection through targeting GSK-3β phosphorylation in ischemia/reperfusion induced myocardial infarction. Microvasc Res 2018; 120:59-66. [DOI: 10.1016/j.mvr.2018.06.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/07/2018] [Accepted: 06/21/2018] [Indexed: 11/23/2022]
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20
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McLean CK, Narayan S, Lin SY, Rai N, Chung Y, Hipolito MS, Cascella NG, Nurnberger JI, Ishizuka K, Sawa AS, Nwulia EA. Lithium-associated transcriptional regulation of CRMP1 in patient-derived olfactory neurons and symptom changes in bipolar disorder. Transl Psychiatry 2018; 8:81. [PMID: 29666369 PMCID: PMC5904136 DOI: 10.1038/s41398-018-0126-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 12/13/2017] [Indexed: 12/17/2022] Open
Abstract
There is growing evidence that lithium used in the treatment of bipolar disorder (BD) affects molecular targets that are involved in neuronal growth, survival, and maturation, but it remains unclear if neuronal alterations in any of these molecules predict specific symptom changes in BD patients undergoing lithium monotherapy. The goals of this study were to (a) determine which molecular changes in the olfactory neurons of symptomatic patients receiving lithium are associated with antimanic or antidepressant response, and (b) uncover novel intraneuronal regulatory mechanisms of lithium therapy. Twenty-two treatment-naïve non-smoking patients, with symptomatic BD underwent nasal biopsies for collection of olfactory tissues, prior to their treatment and following a 6-week course of lithium monotherapy. Sixteen healthy controls were also biopsied. Combining laser capture microdissection with real-time polymerase chain reaction, we investigated baseline and treatment-associated transcriptional changes in candidate molecular targets of lithium action in the olfactory neuroepithelium. Baseline mRNA levels of glycogen synthase kinase 3 beta (GSK3β) and collapsin response mediator protein 1 (CRMP1) genes were significantly associated with BD status and with severity of mood symptoms. Among BD subjects, treatment-associated downregulation of CRMP1 expression was most predictive of decreases in both manic and depressive symptoms. This study provides a novel insight into the relevance of CRMP1, a key molecule in semaphorin-3A signaling during neurodevelopment, in the molecular mechanism of action of lithium, and in the pathophysiology of BD. It supports the use of human-derived olfactory neuronal tissues in the evaluation of treatment response of psychiatric disorders.
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Affiliation(s)
- Charlee K. McLean
- 0000 0001 0547 4545grid.257127.4Department of Psychiatry and Behavioral Sciences, Howard University, Washington, DC USA
| | - Soumya Narayan
- 0000 0001 2171 9311grid.21107.35Department of Psychiatry, Johns Hopkins University, Baltimore, MD USA
| | - Sandra Y. Lin
- 0000 0001 2171 9311grid.21107.35Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, MD USA
| | - Narayan Rai
- 0000 0001 0547 4545grid.257127.4Department of Psychiatry and Behavioral Sciences, Howard University, Washington, DC USA
| | - Youjin Chung
- 0000 0001 2171 9311grid.21107.35Department of Psychiatry, Johns Hopkins University, Baltimore, MD USA
| | - MariaMananita S. Hipolito
- 0000 0001 0547 4545grid.257127.4Department of Psychiatry and Behavioral Sciences, Howard University, Washington, DC USA
| | - Nicola G. Cascella
- grid.415690.fDepartment of Psychiatry, Sheppard Pratt Health Systems, Baltimore, MD USA
| | - John I Nurnberger
- 0000 0001 0790 959Xgrid.411377.7Department of Psychiatry, Indiana University, Bloomington, IN USA
| | - Koko Ishizuka
- 0000 0001 2171 9311grid.21107.35Department of Psychiatry, Johns Hopkins University, Baltimore, MD USA
| | - Akira S. Sawa
- 0000 0001 2171 9311grid.21107.35Department of Psychiatry, Johns Hopkins University, Baltimore, MD USA
| | - Evaristus A. Nwulia
- 0000 0001 0547 4545grid.257127.4Department of Psychiatry and Behavioral Sciences, Howard University, Washington, DC USA
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21
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Neuroprotective effects of valproic acid on brain ischemia are related to its HDAC and GSK3 inhibitions. Pharmacol Biochem Behav 2018; 167:17-28. [DOI: 10.1016/j.pbb.2018.02.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 11/22/2022]
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22
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Soleimani M, Ghasemi N. Lithium Chloride can Induce Differentiation of Human Immortalized RenVm Cells into Dopaminergic Neurons. Avicenna J Med Biotechnol 2017; 9:176-180. [PMID: 29090066 PMCID: PMC5650734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Accepted: 10/31/2016] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Stem cell-based therapy is a novel strategy for the treatment of neurodegenerative diseases. The transplantation of fully differentiated cells instead of stem cells in order to decrease serious adverse complications of stem cell therapy is a new idea. In this study, the effect of lithium chloride on dopaminergic differentiation of human immortalized RenVm cells was investigated in order to access a population of fully differentiated cells for transplantation in Parkinson disease. METHODS The immortalized RenVm cells were induced to dopaminergic differentiation using a neurobasal medium supplemented with N2 and different concentrations (1, 3, 6 mM) of Lithium Chloride (LiCl) for 4, 8 and 12 days. The efficiency of dopaminergic differentiation was evaluated using immunocytochemistry and western blot techniques for tyrosine hydroxylase and β-catenin marker expression. RESULTS Our results indicated that LiCl can promote dopaminergic differentiation of RenVm cells in a dose-dependent manner. CONCLUSION It can be concluded that LiCl is able to facilitate dopaminergic differentiation of cultured cells by affecting Wnt-frizzled signaling pathway.
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Affiliation(s)
- Mitra Soleimani
- Department of Anatomical Sciences and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nazem Ghasemi
- Department of Anatomical Sciences and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Liu E, Xie AJ, Zhou Q, Li M, Zhang S, Li S, Wang W, Wang X, Wang Q, Wang JZ. GSK-3β deletion in dentate gyrus excitatory neuron impairs synaptic plasticity and memory. Sci Rep 2017; 7:5781. [PMID: 28720858 PMCID: PMC5515925 DOI: 10.1038/s41598-017-06173-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 06/09/2017] [Indexed: 01/07/2023] Open
Abstract
Increasing evidence suggests that glycogen synthase kinase-3β (GSK-3β) plays a crucial role in neurodegenerative/psychiatric disorders, while pan-neural knockout of GSK-3β also shows detrimental effects. Currently, the function of GSK-3β in specific type of neurons is elusive. Here, we infused AAV-CaMKII-Cre-2A-eGFP into GSK-3βlox/lox mice to selectively delete the kinase in excitatory neurons of hippocampal dentate gyrus (DG), and studied the effects on cognitive/psychiatric behaviors and the molecular mechanisms. We found that mice with GSK-3β deletion in DG excitatory neurons displayed spatial and fear memory defects with an anti-anxiety behavior. Further studies demonstrated that GSK-3β deletion in DG subset inhibited hippocampal synaptic transmission and reduced levels of GluN1, GluN2A and GluN2B (NMDAR subunits), GluA1 (AMPAR subunit), PSD93 and drebrin (postsynaptic structural proteins), and synaptophysin (presynaptic protein). GSK-3β deletion also suppressed the activity-dependent neural activation and calcium/calmodulin-dependent protein kinase II (CaMKII)/CaMKIV-cAMP response element binding protein (CREB) signaling. Our data suggest that GSK-3β in hippocampal DG excitatory neurons is essential for maintaining synaptic plasticity and memory.
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Affiliation(s)
- Enjie Liu
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Ao-Ji Xie
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Qiuzhi Zhou
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Mengzhu Li
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Shujuan Zhang
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Shihong Li
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Weijin Wang
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Xiaochuan Wang
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Qun Wang
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China
| | - Jian-Zhi Wang
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, PR China. .,Co-innovation Center of Neuroregeneration, Nantong, 226000, PR China.
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Qiao J, Rong L, Wang Z, Zhang M. Involvement of Akt/GSK3β/CREB signaling pathway on chronic omethoate induced depressive-like behavior and improvement effects of combined lithium chloride and astaxanthin treatment. Neurosci Lett 2017; 649:55-61. [PMID: 28366776 DOI: 10.1016/j.neulet.2017.03.048] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 03/26/2017] [Accepted: 03/28/2017] [Indexed: 11/25/2022]
Abstract
Chronic organophosphorus pesticides (OP) exposure is associated with an increased risk of depression, and there is an urgent need to find an effective treatment for the depressive-like symptoms caused by OP. The main purpose of this study was to investigate whether combined lithium chloride (LiCl) and astaxanthin (AST) treatment would manifest synergetic antidepressant effects on mice with chronic OP exposure, and to determine the role of the Akt/GSK3β/CREB signaling pathway. Our results showed that chronic omethoate exposure significantly increased immobility time in behavioral tests and induced neuron damage in HE staining. The expression of p-GSK3β, p-CREB, p-PI3K and p-Akt in hippocampus after OP exposure were significantly down-regulated, while the influences were reversed by LiCl and AST treatment. Moreover, the combined application of AST and LiCl had synergistic therapeutic effects compared to LiCl and AST treatment alone, the expression of p-GSK3β, p-CREB, p-PI3K and p-Akt after combined LiCl-AST treatment were significantly higher than that with single drug application. These results showed that the combination of LiCl and AST could efficiently ameliorate depressive-like behavior induced by omethoate, and Akt/GSK3β/CREB signaling pathway might be responsible for the neuroprotective effect.
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Affiliation(s)
- Jingwen Qiao
- Institute of Cerebrovascular Diseases, Affiliated Hospital of Qingdao University, Qingdao 266003, China; Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Lixia Rong
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Zhaoyue Wang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Meizeng Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao 266003, China.
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25
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Sheykhan M, Shafiee-Pour M, Abbasnia M. C–H Activation under the Guise of Diels–Alder Reaction: Annulation toward the Synthesis of Benzo[e]isoindole-1,3-diones. Org Lett 2017; 19:1270-1273. [DOI: 10.1021/acs.orglett.6b03757] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Mehdi Sheykhan
- Chemistry
Department, University of Guilan, P.O. Box 41335-1914, Rasht, Iran
| | - Maryam Shafiee-Pour
- Chemistry
Department, University of Guilan, P.O. Box 41335-1914, Rasht, Iran
| | - Masoumeh Abbasnia
- School
of Chemistry, College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
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26
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Morris G, Walder K, McGee SL, Dean OM, Tye SJ, Maes M, Berk M. A model of the mitochondrial basis of bipolar disorder. Neurosci Biobehav Rev 2017; 74:1-20. [DOI: 10.1016/j.neubiorev.2017.01.014] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 01/08/2017] [Accepted: 01/10/2017] [Indexed: 12/11/2022]
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27
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Huang RY, Hsieh KP, Huang WW, Yang YH. Use of lithium and cancer risk in patients with bipolar disorder: population-based cohort study. Br J Psychiatry 2016; 209:393-399. [PMID: 27388574 DOI: 10.1192/bjp.bp.116.181362] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 02/12/2016] [Indexed: 01/06/2023]
Abstract
BACKGROUND Lithium inhibits glycogen synthase kinase-3, which is an enzyme involved in the pathogenesis of cancer. AIMS To investigate the association between lithium and cancer risk in patients with bipolar disorder. METHOD A retrospective cohort study was designed using the National Health Insurance Research Database (NHIRD) in Taiwan. Patients using lithium comprised the index drug group and patients using anticonvulsants only comprised the control group. Time-dependent Cox regression was used to evaluate the hazard ratios (HRs) for risk of cancer. RESULTS Compared with anticonvulsant-only exposure, lithium exposure was associated with significantly lower cancer risk (HR = 0.735, 95% CI 0.554-0.974). The hazard ratios for the first, second and third tertiles of the cumulative defined daily dose were 0.762 (95% CI 0.516-1.125), 0.919 (95% CI 0.640-1.318) and 0.552 (95% CI 0.367-0.831), respectively. CONCLUSIONS Lithium is associated with reduced overall cancer risk in patients with bipolar disorder. A dose-response relationship for cancer risk reduction was observed.
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Affiliation(s)
- Ru-Yu Huang
- Ru-Yu Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Kun-Pin Hsieh, PharmD, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University and Department of Pharmacy, Kaohsiung Medical University Hospital, Kaohsiung; Wan-Wen Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Yi-Hsin Yang, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Kun-Pin Hsieh
- Ru-Yu Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Kun-Pin Hsieh, PharmD, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University and Department of Pharmacy, Kaohsiung Medical University Hospital, Kaohsiung; Wan-Wen Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Yi-Hsin Yang, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wan-Wen Huang
- Ru-Yu Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Kun-Pin Hsieh, PharmD, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University and Department of Pharmacy, Kaohsiung Medical University Hospital, Kaohsiung; Wan-Wen Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Yi-Hsin Yang, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yi-Hsin Yang
- Ru-Yu Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Kun-Pin Hsieh, PharmD, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University and Department of Pharmacy, Kaohsiung Medical University Hospital, Kaohsiung; Wan-Wen Huang, MSc, School of Pharmacy, Master Program in Clinical Pharmacy, Kaohsiung Medical University, Kaohsiung; Yi-Hsin Yang, PhD, School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
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28
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Antipsychotic-like effects of a neurotensin receptor type 1 agonist. Behav Brain Res 2016; 305:8-17. [PMID: 26909848 DOI: 10.1016/j.bbr.2016.02.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Revised: 02/16/2016] [Accepted: 02/18/2016] [Indexed: 12/26/2022]
Abstract
Although neurotensin (NT) analogs are known to produce antipsychotic-like effects, the therapeutic possibility of a brain penetrant NTS1 agonist in treating psychiatric disorders has not been well studied. Here, we examined whether PD149163, a brain-penetrant NTS1-specific agonist, displays antipsychotic-like effects in C57BL/6J mice by investigating the effect of PD149163 on amphetamine-mediated hyperactivity and amphetamine-induced disruption of prepulse inhibition. In addition, we assessed the effect of PD149163 on glycogen synthase kinase-3 (GSK-3) activity, a downstream molecular target of antipsychotics and mood stabilizers, using phospho-specific antibodies. PD149163 (0.1 and 0.5mg/kg) inhibited amphetamine-induced hyperactivity in mice, indicating that NTS1 activation inhibits psychomotor agitation. PD149163 (0.5mg/kg) also increased prepulse inhibition, suggesting that NTS1 activation reduces prepulse inhibition deficits which often co-occur with psychosis in humans. Interestingly, PD149163 increased the inhibitory serine phosphorylation on both GSK-3α and GSK-3β in a dose- and time-dependent manner in the nucleus accumbens and medial prefrontal cortex of the mice. Moreover, PD149163 inhibited GSK-3 activity in the nucleus accumbens and medial prefrontal cortex in the presence of amphetamine. Thus, like most current antipsychotics and mood stabilizers, PD149163 inhibited GSK-3 activity in cortico-striatal circuitry. Together, our findings indicate that PD149163 may be a novel antipsychotic.
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29
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Luo G, Chen L, Burton CR, Xiao H, Sivaprakasam P, Krause CM, Cao Y, Liu N, Lippy J, Clarke WJ, Snow K, Raybon J, Arora V, Pokross M, Kish K, Lewis HA, Langley DR, Macor JE, Dubowchik GM. Discovery of Isonicotinamides as Highly Selective, Brain Penetrable, and Orally Active Glycogen Synthase Kinase-3 Inhibitors. J Med Chem 2016; 59:1041-51. [DOI: 10.1021/acs.jmedchem.5b01550] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Guanglin Luo
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Ling Chen
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Catherine R. Burton
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Hong Xiao
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Prasanna Sivaprakasam
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Carol M. Krause
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Yang Cao
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Nengyin Liu
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Jonathan Lippy
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Wendy J. Clarke
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Kimberly Snow
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Joseph Raybon
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Vinod Arora
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Matt Pokross
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Kevin Kish
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Hal A. Lewis
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - David R. Langley
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - John E. Macor
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
| | - Gene M. Dubowchik
- Bristol-Myers Squibb Research & Development, Bristol-Myers Squibb Company, 5 Research Parkway, Wallingford, Connecticut 06492, United States
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Dell'Osso L, Del Grande C, Gesi C, Carmassi C, Musetti L. A new look at an old drug: neuroprotective effects and therapeutic potentials of lithium salts. Neuropsychiatr Dis Treat 2016; 12:1687-703. [PMID: 27468233 PMCID: PMC4946830 DOI: 10.2147/ndt.s106479] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Increasing evidence highlights bipolar disorder as being associated with impaired neurogenesis, cellular plasticity, and resiliency, as well as with cell atrophy or loss in specific brain regions. This has led most recent research to focus on the possible neuroprotective effects of medications, and particularly interesting findings have emerged for lithium. A growing body of evidence from preclinical in vitro and in vivo studies has in fact documented its neuroprotective effects from different insults acting on cellular signaling pathways, both preventing apoptosis and increasing neurotrophins and cell-survival molecules. Furthermore, positive effects of lithium on neurogenesis, brain remodeling, angiogenesis, mesenchymal stem cells functioning, and inflammation have been revealed, with a key role played through the inhibition of the glycogen synthase kinase-3, a serine/threonine kinase implicated in the pathogenesis of many neuropsychiatric disorders. These recent evidences suggest the potential utility of lithium in the treatment of neurodegenerative diseases, neurodevelopmental disorders, and hypoxic-ischemic/traumatic brain injury, with positive results at even lower lithium doses than those traditionally considered to be antimanic. The aim of this review is to briefly summarize the potential benefits of lithium salts on neuroprotection and neuroregeneration, emphasizing preclinical and clinical evidence suggesting new therapeutic potentials of this drug beyond its mood stabilizing properties.
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Affiliation(s)
- Liliana Dell'Osso
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Claudia Del Grande
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Camilla Gesi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Claudia Carmassi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Laura Musetti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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Lazzara CA, Kim YH. Potential application of lithium in Parkinson's and other neurodegenerative diseases. Front Neurosci 2015; 9:403. [PMID: 26578864 PMCID: PMC4621308 DOI: 10.3389/fnins.2015.00403] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 10/12/2015] [Indexed: 12/12/2022] Open
Abstract
Lithium, the long-standing hallmark treatment for bipolar disorder, has recently been identified as a potential neuroprotective agent in neurodegeneration. Here we focus on introducing numerous in vitro and in vivo studies that have shown lithium treatment to be efficacious in reducing oxidative stress and inflammation, increasing autophagy, inhibiting apoptosis, and decreasing the accumulation of α-synulcein, with an emphasis on Parkinson's disease. A number of biological pathways have been shown to be involved in causing these neuroprotective effects. The inhibition of GSK-3β has been the mechanism most studied; however, other modes of action include the regulation of apoptotic proteins and glutamate excitotoxicity as well as down-regulation of calpain. This review provides a framework of the neuroprotective effects of lithium in neurodegenerative diseases and the putative mechanisms by which lithium provides the protection. Lithium-only treatment may not be a suitable therapeutic option for neurodegenerative diseases due to inconsistent efficacy and potential side-effects, however, the use of low dose lithium in combination with other potential or existing therapeutic compounds may be a promising approach to reduce symptoms and disease progression in neurodegenerative diseases.
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Affiliation(s)
- Carol A Lazzara
- Department of Biological Sciences, Delaware State University Dover, DE, USA
| | - Yong-Hwan Kim
- Department of Biological Sciences, Delaware State University Dover, DE, USA
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Corallino S, Iwai LK, Payne LS, Huang PH, Sacco F, Cesareni G, Castagnoli L. Alterations in the phosphoproteomic profile of cells expressing a non-functional form of the SHP2 phosphatase. N Biotechnol 2015; 33:524-36. [PMID: 26316256 DOI: 10.1016/j.nbt.2015.08.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Revised: 08/09/2015] [Accepted: 08/14/2015] [Indexed: 12/13/2022]
Abstract
The phosphatase SHP-2 plays an essential role in growth factor signaling and mutations in its locus is the cause of congenital and acquired pathologies. Mutations of SHP-2 are known to affect the activation of the RAS pathway. Gain-of-function mutations cause the Noonan syndrome, the most common non-chromosomal congenital disorder. In order to obtain a holistic picture of the intricate regulatory mechanisms underlying SHP-2 physiology and pathology, we set out to characterize perturbations of the cell phosphorylation profile caused by an altered localization of SHP-2. To describe the proteins whose activity may be directly or indirectly modulated by SHP-2 activity, we identified tyrosine peptides that are differentially phosphorylated in wild type SHP-2 cells and isogenic cells expressing a non-functional SHP-2 variant that cannot dephosphorylate the physiological substrates due to a defect in cellular localization upon growth factor stimulation. By an iTRAQ based strategy coupled to mass spectrometry, we have identified 63 phosphorylated tyrosine residues in 53 different proteins whose phosphorylation is affected by SHP-2 activity. Some of these confirm already established regulatory mechanisms while many others suggest new possible signaling routes that may contribute to the modulation of the ERK and p38 pathways by SHP-2. Interestingly many new proteins that we found to be regulated by SHP-2 activity are implicated in the formation and regulation of focal adhesions.
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Affiliation(s)
- Salvatore Corallino
- Department of Biology, University of Rome Tor Vergata, Via della ricerca scientifica, 00133 Rome, Italy.
| | - Leo K Iwai
- Protein Networks Team, Division of Cancer Biology, Institute of Cancer Research, London SW3 6JB, United Kingdom
| | - Leo S Payne
- Protein Networks Team, Division of Cancer Biology, Institute of Cancer Research, London SW3 6JB, United Kingdom
| | - Paul H Huang
- Protein Networks Team, Division of Cancer Biology, Institute of Cancer Research, London SW3 6JB, United Kingdom
| | - Francesca Sacco
- Department of Biology, University of Rome Tor Vergata, Via della ricerca scientifica, 00133 Rome, Italy
| | - Gianni Cesareni
- Department of Biology, University of Rome Tor Vergata, Via della ricerca scientifica, 00133 Rome, Italy; IRCCS Fondazione Santa Lucia, 00143 Rome, Italy.
| | - Luisa Castagnoli
- Department of Biology, University of Rome Tor Vergata, Via della ricerca scientifica, 00133 Rome, Italy.
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Cytoskeleton involvement in lithium-induced SH-SY5Y neuritogenesis and the role of glycogen synthase kinase 3β. Aging Clin Exp Res 2015; 27:255-63. [PMID: 25409859 DOI: 10.1007/s40520-014-0290-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2014] [Accepted: 11/01/2014] [Indexed: 12/14/2022]
Abstract
Lithium modulates signals impacting on the cytoskeleton, a dynamic system contributing to neural plasticity at multiple levels. In this study, SH-SY5Y human neuronal cells were cultured in the absence (C) or in presence (Li) of a 0.5 mM Li2CO3 (i.e. 1 mM lithium ion) for 25-50 weeks. We investigated the effect of this treatment on (1) morphological changes of cells observed using Hemalun eosin staining assay, (2) cytoskeletal changes by indirect immunofluorescence (IIF) staining of microtubules (α-tubulin) and heavy neurofilaments subunits (NF-H) and by measuring the expression rate changes of genes coding for receptor for activated C kinase (RACK1), casein kinase2 (CK2) and thymosine beta-10 using cDNA arrays technology, (3) cell adhesion properties by IIF staining of β-catenin protein. Besides, we have tried to understand the molecular mechanism of lithium action that triggers changes in cytoskeleton and neurites outgrowth. Thus, we examined the effect of this treatment on glycogen synthase kinase 3 (GSK3) expression and activity using western blotting of GSK3 and phosphorylated β-catenin, a downstream GSK3 target protein. Our results showed that lithium treatment reduces axon length, increases axonal spreading, enhances neurites growth and neurites branching with an increase of growth cone size. Moreover, genes coding for CK2 and thymosine beta-10 were significantly up-regulated, however, that coding for RACK1 was down-regulated. The most interesting result in this work is that mechanism underlying lithium action was not related to the inhibition of GSK3 activity. In fact, neither expression rate nor activity of this protein was changed.
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Abstract
Alzheimer's disease (AD) is characterized by cognitive impairment in clinical presentation, and by β-amyloid (Aβ) production and the hyper-phosphorylation of tau in basic research. More highlights demonstrate that the activation of the mammalian target of rapamycin (mTOR) enhances Aβ generation and deposition by modulating amyloid precursor protein (APP) metabolism and upregulating β- and γ-secretases. mTOR, an inhibitor of autophagy, decreases Aβ clearance by scissoring autophagy function. mTOR regulates Aβ generation or Aβ clearance by regulating several key signaling pathways, including phosphoinositide 3-kinase (PI3-K)/protein kinase B (Akt), glycogen synthase kinase 3 [GSK-3], AMP-activated protein kinase (AMPK), and insulin/insulin-like growth factor 1 (IGF-1). The activation of mTOR is also a contributor to aberrant hyperphosphorylated tau. Rapamycin, the inhibitor of mTOR, may mitigate cognitive impairment and inhibit the pathologies associated with amyloid plaques and neurofibrillary tangles by promoting autophagy. Furthermore, the upstream and downstream components of mTOR signaling are involved in the pathogenesis and progression of AD. Hence, inhibiting the activation of mTOR may be an important therapeutic target for AD.
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Affiliation(s)
- Zhiyou Cai
- Department of Neurology, Renmin Hospital, Hubei University of Medicine, Shiyan Renmin Hospital, Shiyan, Hubei Province, People's Republic of China
| | - Guanghui Chen
- Department of Neurology, Renmin Hospital, Hubei University of Medicine, Shiyan Renmin Hospital, Shiyan, Hubei Province, People's Republic of China
| | - Wenbo He
- Department of Neurology, Renmin Hospital, Hubei University of Medicine, Shiyan Renmin Hospital, Shiyan, Hubei Province, People's Republic of China
| | - Ming Xiao
- Department of Anatomy, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Liang-Jun Yan
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX, USA
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Brand SJ, Moller M, Harvey BH. A Review of Biomarkers in Mood and Psychotic Disorders: A Dissection of Clinical vs. Preclinical Correlates. Curr Neuropharmacol 2015; 13:324-68. [PMID: 26411964 PMCID: PMC4812797 DOI: 10.2174/1570159x13666150307004545] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 02/04/2015] [Accepted: 03/06/2015] [Indexed: 11/23/2022] Open
Abstract
Despite significant research efforts aimed at understanding the neurobiological underpinnings of mood (depression, bipolar disorder) and psychotic disorders, the diagnosis and evaluation of treatment of these disorders are still based solely on relatively subjective assessment of symptoms as well as psychometric evaluations. Therefore, biological markers aimed at improving the current classification of psychotic and mood-related disorders, and that will enable patients to be stratified on a biological basis into more homogeneous clinically distinct subgroups, are urgently needed. The attainment of this goal can be facilitated by identifying biomarkers that accurately reflect pathophysiologic processes in these disorders. This review postulates that the field of psychotic and mood disorder research has advanced sufficiently to develop biochemical hypotheses of the etiopathology of the particular illness and to target the same for more effective disease modifying therapy. This implies that a "one-size fits all" paradigm in the treatment of psychotic and mood disorders is not a viable approach, but that a customized regime based on individual biological abnormalities would pave the way forward to more effective treatment. In reviewing the clinical and preclinical literature, this paper discusses the most highly regarded pathophysiologic processes in mood and psychotic disorders, thereby providing a scaffold for the selection of suitable biomarkers for future studies in this field, to develope biomarker panels, as well as to improve diagnosis and to customize treatment regimens for better therapeutic outcomes.
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Affiliation(s)
| | | | - Brian H Harvey
- Division of Pharmacology and Center of Excellence for Pharmaceutical Sciences, School of Pharmacy, North-West University, Potchefstroom, South Africa.
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The neurobiology of bipolar disorder: identifying targets for specific agents and synergies for combination treatment. Int J Neuropsychopharmacol 2014; 17:1039-52. [PMID: 23449044 DOI: 10.1017/s1461145713000096] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Bipolar disorder (BD) is a chronic psychiatric illness described by severe changes in mood. Extensive research has been carried out to understand the aetiology and pathophysiology of BD. Several hypotheses have been postulated, including alteration in genetic factors, protein expression, calcium signalling, neuropathological alteration, mitochondrial dysfunction and oxidative stress in BD. In the following paper, we will attempt to integrate these data in a manner which is to understand targets of treatment and how they may be, in particular, relevant to combination treatment. In summary, the data suggested that BD might be associated with neuronal and glial cellular impairment in specific brain areas, including the prefrontal cortex. From molecular and genetics: (1) alterations in dopaminergic system, through catechol-O-aminotransferase; (2) decreased expression and polymorphism on brain-derived neurotrophic factor; (3) alterations cyclic-AMP responsive element binding; (4) dysregulation of calcium signalling, including genome-wide finding for voltage-dependent calcium channel α-1 subunit are relevant findings in BD. Future studies are now necessary to understand how these molecular pathways interact and their connection to the complex clinical manifestations observed in BD.
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Leeds PR, Yu F, Wang Z, Chiu CT, Zhang Y, Leng Y, Linares GR, Chuang DM. A new avenue for lithium: intervention in traumatic brain injury. ACS Chem Neurosci 2014; 5:422-33. [PMID: 24697257 DOI: 10.1021/cn500040g] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of disability and death from trauma to central nervous system (CNS) tissues. For patients who survive the initial injury, TBI can lead to neurodegeneration as well as cognitive and motor deficits, and is even a risk factor for the future development of neurodegenerative disorders such as Alzheimer's disease. Preclinical studies of multiple neuropathological and neurodegenerative disorders have shown that lithium, which is primarily used to treat bipolar disorder, has considerable neuroprotective effects. Indeed, emerging evidence now suggests that lithium can also mitigate neurological deficits incurred from TBI. Lithium exerts neuroprotective effects and stimulates neurogenesis via multiple signaling pathways; it inhibits glycogen synthase kinase-3 (GSK-3), upregulates neurotrophins and growth factors (e.g., brain-derived neurotrophic factor (BDNF)), modulates inflammatory molecules, upregulates neuroprotective factors (e.g., B-cell lymphoma-2 (Bcl-2), heat shock protein 70 (HSP-70)), and concomitantly downregulates pro-apoptotic factors. In various experimental TBI paradigms, lithium has been shown to reduce neuronal death, microglial activation, cyclooxygenase-2 induction, amyloid-β (Aβ), and hyperphosphorylated tau levels, to preserve blood-brain barrier integrity, to mitigate neurological deficits and psychiatric disturbance, and to improve learning and memory outcome. Given that lithium exerts multiple therapeutic effects across an array of CNS disorders, including promising results in preclinical models of TBI, additional clinical research is clearly warranted to determine its therapeutic attributes for combating TBI. Here, we review lithium's exciting potential in ameliorating physiological as well as cognitive deficits induced by TBI.
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Affiliation(s)
- Peter R. Leeds
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
| | - Fengshan Yu
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
| | - Zhifei Wang
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
| | - Chi-Tso Chiu
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
| | | | - Yan Leng
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
| | - Gabriel R. Linares
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
| | - De-Maw Chuang
- Molecular
Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive, MSC 1363, Bethesda, Maryland 20892-1363, United States
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38
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Berridge MJ. Calcium signalling and psychiatric disease: bipolar disorder and schizophrenia. Cell Tissue Res 2014; 357:477-92. [PMID: 24577622 DOI: 10.1007/s00441-014-1806-z] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Accepted: 01/10/2014] [Indexed: 12/21/2022]
Abstract
Neurons have highly developed Ca(2+) signalling systems responsible for regulating many neural functions such as the generation of brain rhythms, information processing and the changes in synaptic plasticity that underpins learning and memory. The signalling mechanisms that regulate neuronal excitability are particularly important for processes such as sensory perception, cognition and consciousness. The Ca(2+) signalling pathway is a key component of the mechanisms responsible for regulating neuronal excitability, information processing and cognition. Alterations in gene transcription are particularly important as they result in subtle alterations in the neuronal signalling mechanisms that have been implicated in many neural diseases. In particular, dysregulation of the Ca(2+) signalling pathway has been implicated in the development of some of the major psychiatric diseases such as bipolar disorder (BPD) and schizophrenia.
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Su GY, Yang JY, Wang F, Ma J, Zhang K, Dong YX, Song SJ, Lu XM, Wu CF. Antidepressant-like effects of Xiaochaihutang in a rat model of chronic unpredictable mild stress. JOURNAL OF ETHNOPHARMACOLOGY 2014; 152:217-226. [PMID: 24440317 DOI: 10.1016/j.jep.2014.01.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 11/14/2013] [Accepted: 01/07/2014] [Indexed: 06/03/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xiaochaihutang (XCHT) has been used in China for thousands of years to treat "Shaoyang syndrome", which involves depressive-like symptoms. However, few studies have investigated its antidepressant effects and pharmacological mechanism of action. The present study was designed to confirm the antidepressant effect of XCHT using a chronic unpredictable mild stress (CUMS) model and explore its potential mechanism of action by investigating the monoamine neurotransmitters (dopamine and 5-hydroxytryptamine) and neurotrophins (BDNF and NGF). MATERIALS AND METHODS The CUMS model was established in rats, and the antidepressant effect of XCHT (0.6, 1.7 and 5mg/kg/day, given by gastric gavage for 4 weeks) was investigated using the open field test (OFT), food consumption test and sucrose preference test. The concentrations of 5-HT and DA in the hippocampus were measured by high performance liquid chromatography with electrochemical detection (HPLC-ECD). The expressions of brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and their receptors tyrosine receptor kinase B (TrkB) and tyrosine receptor kinase A (TrkA) in the hippocampus were measured by immunohistochemical staining analysis. RESULTS CUMS caused a significant decrease in OFT, food consumption and sucrose preference in rats, and these depression-like behaviors were significantly improved by XCHT (1.7 and 5 g/kg/day). Moreover, XCHT significantly increased the concentrations of 5-HT (0.6 and 5 g/kg/day) and DA (5 g/kg/day), and improved the BDNF, NGF, TrkB and TrkA expressions in the hippocampus (1.7 and 5 g/kg/day), which was reduced in CUMS rats. CONCLUSION The results obtained suggested that XCHT may have therapeutic actions on depression-like behavior induced by CUMS in rats possibly mediated by increasing the monoamine neurotransmitter concentration and neurotrophin expression in the hippocampus.
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Affiliation(s)
- Guang Yue Su
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China
| | - Jing Yu Yang
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China
| | - Fang Wang
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China
| | - Jie Ma
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China
| | - Kuo Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China
| | - Ying Xu Dong
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China
| | - Shao Jiang Song
- Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 110016 Shenyang, PR China
| | - Xiu Mei Lu
- Department of pharmaceutical analysis, Shenyang Pharmaceutical University, 110016 Shenyang, China
| | - Chun Fu Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, Box 31, 103 Wenhua Road, 110016 Shenyang, PR China.
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Huang Y, Qin J, Chen M, Chao X, Chen Z, Ramassamy C, Pi R, Jin M. Lithium prevents acrolein-induced neurotoxicity in HT22 mouse hippocampal cells. Neurochem Res 2014; 39:677-84. [PMID: 24522749 DOI: 10.1007/s11064-014-1252-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 01/18/2014] [Accepted: 01/29/2014] [Indexed: 11/25/2022]
Abstract
Acrolein is a highly electrophilic alpha, beta-unsaturated aldehyde to which humans are exposed in many situations and has been implicated in neurodegenerative diseases, such as Alzheimer's disease. Lithium is demonstrated to have neuroprotective and neurotrophic effects in brain ischemia, trauma, neurodegenerative disorders, and psychiatric disorders. Previously we have found that acrolein induced neuronal death in HT22 mouse hippocampal cells. In this study, the effects of lithium on the acrolein-induced neurotoxicity in HT22 cells as well as its mechanism(s) were investigated. We found that lithium protected HT22 cells against acrolein-induced damage by the attenuation of reactive oxygen species and the enhancement of the glutathione level. Lithium also attenuated the mitochondrial dysfunction caused by acrolein. Furthermore, lithium significantly increased the level of phospho-glycogen synthase kinase-3 beta (GSK-3β), the non-activated GSK-3β. Taken together, our findings suggest that lithium is a protective agent for acrolein-related neurotoxicity.
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Affiliation(s)
- Yingjuan Huang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital, Sun Yat-Sen University, Zhongshan 2 Rd. 58, Guangzhou, 510080, China
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Lithium improves survival of PC12 pheochromocytoma cells in high-density cultures and after exposure to toxic compounds. Int J Cell Biol 2014; 2014:135908. [PMID: 24563652 PMCID: PMC3915898 DOI: 10.1155/2014/135908] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Accepted: 11/20/2013] [Indexed: 01/24/2023] Open
Abstract
Autophagy is an evolutionary conserved mechanism that allows for the degradation of long-lived proteins and entire organelles which are driven to lysosomes for digestion. Different kinds of stressful conditions such as starvation are able to induce autophagy. Lithium and rapamycin are potent autophagy inducers with different molecular targets. Lithium stimulates autophagy by decreasing the intracellular myo-inositol-1,4,5-triphosphate levels, while rapamycin acts through the inhibition of the mammalian target of rapamycin (mTOR). The correlation between autophagy and cell death is still a matter of debate especially in transformed cells. In fact, the execution of autophagy can protect cells from death by promptly removing damaged organelles such as mitochondria. Nevertheless, an excessive use of the autophagic machinery can drive cells to death via a sort of self-cannibalism. Our data show that lithium (used within its therapeutic window) stimulates the overgrowth of the rat Pheochromocytoma cell line PC12. Besides, lithium and rapamycin protect PC12 cells from toxic compounds such as thapsigargin and trimethyltin. Taken together these data indicate that pharmacological activation of autophagy allows for the survival of Pheochromocytoma cells in stressful conditions such as high-density cultures and exposure to toxins.
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Dallaspezia S, Benedetti F. Chronobiological therapy for mood disorders. Expert Rev Neurother 2014; 11:961-70. [DOI: 10.1586/ern.11.61] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Smith AJ, Kim SH, Duggirala NK, Jin J, Wojtas L, Ehrhart J, Giunta B, Tan J, Zaworotko MJ, Shytle RD. Improving lithium therapeutics by crystal engineering of novel ionic cocrystals. Mol Pharm 2013; 10:4728-38. [PMID: 24191685 PMCID: PMC3850245 DOI: 10.1021/mp400571a] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Current United States Food and Drug Administration (FDA)-approved lithium salts are plagued with a narrow therapeutic window. Recent attempts to find alternative drugs have identified new chemical entities, but lithium's polypharmacological mechanisms for treating neuropsychiatric disorders are highly debated and are not yet matched. Thus, re-engineering current lithium solid forms in order to optimize performance represents a low cost and low risk approach to the desired therapeutic outcome. In this contribution, we employed a crystal engineering strategy to synthesize the first ionic cocrystals (ICCs) of lithium salts with organic anions. We are unaware of any previous studies that have assessed the biological efficacy of any ICCs, and encouragingly we found that the new speciation did not negatively affect established bioactivities of lithium. We also observed that lithium ICCs exhibit modulated pharmacokinetics compared to lithium carbonate. Indeed, the studies detailed herein represent an important advancement in a crystal engineering approach to a new generation of lithium therapeutics.
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Affiliation(s)
- Adam J Smith
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida , Tampa, Florida 33612, United States
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Jiménez E, Arias B, Mitjans M, Goikolea JM, Roda E, Sáiz PA, García-Portilla MP, Burón P, Bobes J, Oquendo MA, Vieta E, Benabarre A. Genetic variability at IMPA2, INPP1 and GSK3β increases the risk of suicidal behavior in bipolar patients. Eur Neuropsychopharmacol 2013; 23:1452-62. [PMID: 23453640 DOI: 10.1016/j.euroneuro.2013.01.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 11/20/2012] [Accepted: 01/27/2013] [Indexed: 11/16/2022]
Abstract
Bipolar patients (BP) are at high risk of suicide. Causal factors underlying suicidal behavior are still unclear. However, it has been shown that lithium has antisuicidal properties. Genes involved in its putative mechanism of action such as the phosphoinositol and the Wnt/β-catenine pathways could be considered candidates for suicidal behavior (SB). Our aim was to investigate the association of the IMPA1 and 2, INPP1, GSK3α and β genes with suicidal behavior in BP. 199 BP were recruited. Polymorphisms at the IMPA1 (rs915, rs1058401 and rs2268432) and IMPA2 (rs66938, rs1020294, rs1250171 and rs630110), INPP1 (rs3791809, rs4853694 and 909270), GSK3α (rs3745233) and GSK3β (rs334558, rs1732170 and rs11921360) genes were genotyped. All patients were grouped and compared according to the presence or not of history of SB (defined as the presence of at least one previous suicidal attempt). Single SNP analyses showed that suicide attempters had higher frequencies of AA genotype of the rs669838-IMPA2 and GG genotype of the rs4853694-INPP1gene compared to non-attempters. Results also revealed that T-allele carriers of the rs1732170-GSK3β gene and A-allele carriers of the rs11921360-GSK3β gene had a higher risk for attempting suicide. Haplotype analysis showed that attempters had lower frequencies of A:A haplotype (rs4853694:rs909270) at the INPP1 gene. Higher frequencies of the C:A haplotype and lower frequencies of the A:C haplotype at the GSK-3β gene (rs1732170:rs11921360) were also found to be associated to SB in BP. Therefore, our results suggest that genetic variability at IMPA2, INPP1 and GSK3β genes is associated with the emergence of SB in BP.
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Affiliation(s)
- E Jiménez
- Bipolar Disorder Program, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
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Rusai K, Herzog R, Kuster L, Kratochwill K, Aufricht C. GSK-3β inhibition protects mesothelial cells during experimental peritoneal dialysis through upregulation of the heat shock response. Cell Stress Chaperones 2013; 18:569-79. [PMID: 23494401 PMCID: PMC3745257 DOI: 10.1007/s12192-013-0410-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2012] [Revised: 01/29/2013] [Accepted: 01/31/2013] [Indexed: 02/04/2023] Open
Abstract
Non-physiological components of peritoneal dialysis fluids (PDF) lead to the injury of peritoneal mesothelial cells resulting in the failure of peritoneal dialysis (PD) potentially via inadequate induction of the protective heat shock response (HSR). Glycogen synthase kinase-3β (GSK-3β) is a negative regulator of cell survival partly by suppression of the HSR and is influenced by stress stimuli also present in conventional PDF. The effects of PDF on GSK-3β activation and the impact of GSK-3β inhibition with lithium (LiCl) were investigated on cell survival with special regard to HSR, in particular to heat shock transcription factor 1 (HSF-1) activation and Hsp72 production in an in vitro model of PD using MeT-5A and primary mesothelial cells. Incubation of cells with the PDF Dianeal® (glucose-based, low pH, high glucose degradation products (GDP)) and Extraneal® (icodextrin-based, low pH, low GDP) caused activation of GSK-3β compared to the other tested PDF, i.e. Balance®, Physioneal® (normal pH, glucose-based, low GDP) and Nutrineal® (moderately acidic, amino acid-based). Inhibition of GSK-3β with LiCl in Dianeal® and Extraneal®-treated cells dose-dependently decreased cell damage and death rate and was paralleled by higher HSF-1 activation and Hsp72 expression. GSK-3β is activated by low pH GDP containing PDF with and without glucose as osmotic agent, indicating that GSK-3β is involved in mesothelial cell signalling in response to experimental PD. Inhibition of GSK-3β with LiCl ameliorated cell injury and improved HSR upon PDF exposure. Thus, GSK-3β inhibitors likely have therapeutic potential as cytoprotective additive for decreasing PDF toxicity.
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Affiliation(s)
- K. Rusai
- />Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - R. Herzog
- />Zytoprotec GmbH, 1010 Vienna, Austria
| | - L. Kuster
- />Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - K. Kratochwill
- />Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
- />Zytoprotec GmbH, 1010 Vienna, Austria
| | - C. Aufricht
- />Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
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Abstract
OBJECTIVE As part of a series of papers examining chronobiology ['Getting depression clinical guidelines right: time for change?' Kuiper et al. Acta Psychiatr Scand 2013;128(Suppl. 444):24-30; and 'Manipulating melatonin in managing mood' Boyce & Hopwood. ActaPsychiatrScand 2013;128(Suppl. 444):16-23], in this article, we review and synthesise the extant literature pertaining to the chronobiology of depression and provide a preliminary model for understanding the neural systems involved. METHOD A selective literature search was conducted using search engines such as MEDLINE/PubMed, combining terms associated with chronobiology and mood disorders. RESULTS We propose that understanding of sleep-wake function and mood can be enhanced by simultaneously considering the circadian system, the sleep homoeostat and the core stress system, all of which are likely to be simultaneously disrupted in major mood disorders. This integrative approach is likely to allow flexible modelling of a much broader range of mood disorder presentations and phenomenology. CONCLUSION A preliminary multifaceted model is presented, which will require further development and testing. Future depression research should aim to examine multiple systems concurrently in order to derive a more sophisticated understanding of the underlying neurobiology.
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Affiliation(s)
- G. S. Malhi
- Department of Psychiatry; CADE Clinic; Royal North Shore Hospital Discipline of Psychiatry; Sydney Medical School; The University of Sydney; Sydney; NSW; Australia
| | - S. Kuiper
- Department of Psychiatry; CADE Clinic; Royal North Shore Hospital Discipline of Psychiatry; Sydney Medical School; The University of Sydney; Sydney; NSW; Australia
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Willi R, Harmeier A, Giovanoli S, Meyer U. Altered GSK3β signaling in an infection-based mouse model of developmental neuropsychiatric disease. Neuropharmacology 2013; 73:56-65. [PMID: 23707483 DOI: 10.1016/j.neuropharm.2013.05.012] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 05/08/2013] [Accepted: 05/10/2013] [Indexed: 12/17/2022]
Abstract
Protein kinase B (AKT) and glycogen synthase kinase 3 beta (GSK3β) are two protein kinases involved in dopaminergic signaling. Dopamine-associated neuropsychiatric illnesses such as schizophrenia and bipolar disorder seem to be characterized by impairments in the AKT/GSK3β network. Here, we sought evidence for the presence of molecular and functional changes in the AKT/GSK3β pathway using an established infection-based mouse model of developmental neuropsychiatric disease that is based on prenatal administration of the viral mimetic poly(I:C) (=polyriboinosinic-polyribocytidilic acid). We found that adult offspring of poly(I:C)-exposed mothers displayed decreased total levels of AKT protein and reduced phosphorylation at AKT threonine residues in the medial prefrontal cortex. Prenatally immune challenged offspring also exhibited increased GSK3β protein expression and activation status, the latter of which was evidenced by a decrease in the ratio between phosphorylated and total GSK3β protein in the medial prefrontal cortex. These molecular changes were not associated with overt signs of inflammatory processes in the adult brain. We further found that acute pre-treatment with the selective GSK3β inhibitor TDZD-8 dose-dependently normalized aberrant behavior typically emerging following prenatal immune activation, including deficient spontaneous alternation in the Y-maze and increased locomotor responses to systemic amphetamine treatment. Taken together, the present mouse model demonstrates that prenatal exposure to viral-like immune activation leads to long-term alterations in GSK3β signaling, some of which are critically implicated in schizophrenia and bipolar disorder.
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Affiliation(s)
- Roman Willi
- Neuroscience Discovery, F. Hoffmann-La Roche Ltd, 4070 Basel, Switzerland
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Yngve U, Söderman P, Svensson M, Rosqvist S, Arvidsson PI. Imidazopyridine-based inhibitors of glycogen synthase kinase 3: synthesis and evaluation of amide isostere replacements of the carboxamide scaffold. Chem Biodivers 2013; 9:2442-52. [PMID: 23161627 DOI: 10.1002/cbdv.201200308] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Indexed: 11/06/2022]
Abstract
In this study, we explored the effect of bioisostere replacement in a series of glycogen synthase kinase 3 (GSK3) inhibitors based on the imidazopyridine core. The synthesis and biological evaluation of a number of novel sulfonamide, 1,2,4-oxadiazole, and thiazole derivates as amide bioisosteres, as well as a computational rationalization of the obtained results are reported.
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Affiliation(s)
- Ulrika Yngve
- Medicinal Chemistry, iScience, CNSP iMed, AstraZeneca R&D Södertälje, SE-151 85 Södertälje, Sweden
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Debeb BG, Lacerda L, Xu W, Larson R, Solley T, Atkinson R, Sulman EP, Ueno NT, Krishnamurthy S, Reuben JM, Buchholz TA, Woodward WA. Histone deacetylase inhibitors stimulate dedifferentiation of human breast cancer cells through WNT/β-catenin signaling. Stem Cells 2013; 30:2366-77. [PMID: 22961641 DOI: 10.1002/stem.1219] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Recent studies have shown that differentiated cancer cells can dedifferentiate into cancer stem cells (CSCs) although to date no studies have reported whether this transition is influenced by systemic anti-cancer agents. Valproic acid (VA) is a histone deacetylase (HDAC) inhibitor that promotes self-renewal and expansion of hematopoietic stem cells and facilitates the generation of induced pluripotent stem cells from somatic cells and is currently being investigated in breast cancer clinical trials. We hypothesized that HDAC inhibitors reprogram differentiated cancer cells toward the more resistant stem cell-like state. Two highly aggressive breast cancer cell lines, SUM159 and MDA-231, were sorted based on aldehyde dehydrogenase (ALDH) activity and subsequently ALDH-negative and ALDH-positive cells were treated with one of two known HDAC inhibitors, VA or suberoylanilide hydroxamic acid. In addition, primary tumor cells from patients with metastatic breast cancer were evaluated for ALDH activity following treatment with HDAC inhibitors. We demonstrate that single-cell-sorted ALDH-negative cells spontaneously generated ALDH-positive cells in vitro. Treatment of ALDH-negative cells with HDAC inhibitors promoted the expansion of ALDH-positive cells and increased mammosphere-forming efficiency. Most importantly, it significantly increased the tumor-initiating capacity of ALDH-negative cells in limiting dilution outgrowth assays. Moreover, while HDAC inhibitors upregulated β-catenin expression and significantly increased WNT reporter activity, a TCF4 dominant negative construct abolished HDAC-inhibitor-induced expansion of CSCs. These results demonstrate that HDAC inhibitors promote the expansion of breast CSCs through dedifferentiation and have important clinical implications for the use of HDAC inhibitors in the treatment of cancer.
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Affiliation(s)
- Bisrat G Debeb
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
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Effects of lithium and valproic acid on gene expression and phenotypic markers in an NT2 neurosphere model of neural development. PLoS One 2013; 8:e58822. [PMID: 23527032 PMCID: PMC3602582 DOI: 10.1371/journal.pone.0058822] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Accepted: 02/07/2013] [Indexed: 12/22/2022] Open
Abstract
Mood stabilising drugs such as lithium (LiCl) and valproic acid (VPA) are the first line agents for treating conditions such as Bipolar disorder and Epilepsy. However, these drugs have potential developmental effects that are not fully understood. This study explores the use of a simple human neurosphere-based in vitro model to characterise the pharmacological and toxicological effects of LiCl and VPA using gene expression changes linked to phenotypic alterations in cells. Treatment with VPA and LiCl resulted in the differential expression of 331 and 164 genes respectively. In the subset of VPA targeted genes, 114 were downregulated whilst 217 genes were upregulated. In the subset of LiCl targeted genes, 73 were downregulated and 91 were upregulated. Gene ontology (GO) term enrichment analysis was used to highlight the most relevant GO terms associated with a given gene list following toxin exposure. In addition, in order to phenotypically anchor the gene expression data, changes in the heterogeneity of cell subtype populations and cell cycle phase were monitored using flow cytometry. Whilst LiCl exposure did not significantly alter the proportion of cells expressing markers for stem cells/undifferentiated cells (Oct4, SSEA4), neurons (Neurofilament M), astrocytes (GFAP) or cell cycle phase, the drug caused a 1.4-fold increase in total cell number. In contrast, exposure to VPA resulted in significant upregulation of Oct4, SSEA, Neurofilament M and GFAP with significant decreases in both G2/M phase cells and cell number. This neurosphere model might provide the basis of a human-based cellular approach for the regulatory exploration of developmental impact of potential toxic chemicals.
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