51
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Multifaceted Roles of GSK-3 in Cancer and Autophagy-Related Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:4629495. [PMID: 29379583 PMCID: PMC5742885 DOI: 10.1155/2017/4629495] [Citation(s) in RCA: 156] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/07/2017] [Accepted: 10/23/2017] [Indexed: 02/07/2023]
Abstract
GSK-3 is a ubiquitously expressed serine/threonine kinase existing as GSK-3α and GSK-3β isoforms, both active under basal conditions and inactivated upon phosphorylation by different upstream kinases. Initially discovered as a regulator of glycogen synthesis, GSK-3 is also involved in several signaling pathways controlling many different key functions. Here, we discuss recent advances regarding (i) GSK-3 structure, function, regulation, and involvement in several cancers, including hepatocarcinoma, cholangiocarcinoma, breast cancer, prostate cancer, leukemia, and melanoma (active GSK-3 has been shown to induce apoptosis in some cases or inhibit apoptosis in other cases and to induce cancer progression or inhibit tumor cell proliferation, suggesting that different GSK-3 modulators may address different specific targets); (ii) GSK-3 involvement in autophagy modulation, reviewing signaling pathways involved in neurodegenerative and liver diseases; (iii) GSK-3 role in oxidative stress and autophagic cell death, focusing on liver injury; (iv) GSK-3 as a possible therapeutic target of natural substances and synthetic inhibitors in many diseases; and (v) GSK-3 role as modulator of mammalian aging, related to metabolic alterations characterizing senescent cells and age-related diseases. Studies summarized here underline the GSK-3 multifaceted role and indicate such kinase as a molecular target in different pathologies, including diseases associated with autophagy dysregulation.
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Ma YX, Wang XL, Chen JQ, Li B, Hur EM, Saijilafu. Differential Roles of Glycogen Synthase Kinase 3 Subtypes Alpha and Beta in Cortical Development. Front Mol Neurosci 2017; 10:391. [PMID: 29234272 PMCID: PMC5712306 DOI: 10.3389/fnmol.2017.00391] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 11/09/2017] [Indexed: 11/13/2022] Open
Abstract
Glycogen synthase kinases 3 (GSK3) α and β are expressed in the nervous system, and disruption of GSK3 signaling has been implicated in a wide range of neurodevelopmental and psychiatric disorders. Although several studies have established a role of GSK3 signaling in the nervous system, much less is known about isoform-specific functions. Here, we have examined the role of GSK3α and GSK3β in the developing neocortex by performing in utero electroporation with specific small interfering RNAs targeting each isoform. We found that depletion of either GSK3α or GSK3β commonly promoted the proliferation of neural progenitor cells in the ventricular zone, but at later stages, knocking down of each isoform resulted in distinct outcomes. In particular, the transformation of radial progenitors to intermediate progenitor cells was promoted in GSK3α-depleted cells, but markedly prevented in GSK3β-depleted cells. Moreover, knocking down of GSK3β but not GSK3α prevented the generation of upper-layer Cux1+ neurons. Consistent with the distinct outcomes, protein levels of c-Myc and β-catenin, well-known substrates of GSK3, were differentially affected by depletion of GSK3α and GSK3β. Together, these results suggest that GSK3α and GSK3β might play distinct roles in the genesis and differentiation of neuronal lineage cells during neocortex development by differential regulation of downstream signaling pathways.
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Affiliation(s)
- Yan-Xia Ma
- Department of Orthopaedics, The First Affiliated Hospital, Orthopaedic Institute, Soochow University, Suzhou, China
| | - Xiu-Li Wang
- Department of Orthopaedics, The First Affiliated Hospital, Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jian-Quan Chen
- Department of Orthopaedics, The First Affiliated Hospital, Orthopaedic Institute, Soochow University, Suzhou, China
| | - Bin Li
- Department of Orthopaedics, The First Affiliated Hospital, Orthopaedic Institute, Soochow University, Suzhou, China
| | - Eun-Mi Hur
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul, South Korea.,Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul, South Korea.,Department of Neuroscience, Korea University of Science and Technology, Daejeon, South Korea
| | - Saijilafu
- Department of Orthopaedics, The First Affiliated Hospital, Orthopaedic Institute, Soochow University, Suzhou, China
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Circadian Rhythm Disturbances in Mood Disorders: Insights into the Role of the Suprachiasmatic Nucleus. Neural Plast 2017; 2017:1504507. [PMID: 29230328 PMCID: PMC5694588 DOI: 10.1155/2017/1504507] [Citation(s) in RCA: 123] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 09/05/2017] [Accepted: 10/03/2017] [Indexed: 12/28/2022] Open
Abstract
Circadian rhythm disturbances are a common symptom among individuals with mood disorders. The suprachiasmatic nucleus (SCN), in the ventral part of the anterior hypothalamus, orchestrates physiological and behavioral circadian rhythms. The SCN consists of self-sustaining oscillators and receives photic and nonphotic cues, which entrain the SCN to the external environment. In turn, through synaptic and hormonal mechanisms, the SCN can drive and synchronize circadian rhythms in extra-SCN brain regions and peripheral tissues. Thus, genetic or environmental perturbations of SCN rhythms could disrupt brain regions more closely related to mood regulation and cause mood disturbances. Here, we review clinical and preclinical studies that provide evidence both for and against a causal role for the SCN in mood disorders.
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Wu F, Chen J, Fan LM, Liu K, Zhang N, Li SW, Zhu H, Gao HC. Analysis of the effect of rutin on GSK-3β and TNF-α expression in lung cancer. Exp Ther Med 2017; 14:127-130. [PMID: 28672902 PMCID: PMC5488604 DOI: 10.3892/etm.2017.4494] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 02/24/2017] [Indexed: 02/06/2023] Open
Abstract
The aim of the present study was to investigate the effect of rutin treatment on the expression of glycogen synthase kinase (GSK)-3β and tumor necrosis factor (TNF)-α in A549 human lung carcinoma cells. The A549 cells were divided into control, cisplatin and rutin (low, middle and high) groups. ELISA and western blot analysis of TNF-α expression, 4′,6-diamino-2-phenylindole (DAPI) staining and GSK-3β immunofluorescence staining were used to investigate the effect of rutin in the human lung carcinoma cells, using cisplatin as a positive control. TNF-α expression was significantly higher in the rutin and cisplatin groups compared with the control group. Additionally, DAPI staining revealed that the number of apoptotic cells was higher in the rutin and cisplatin groups compared with the control group, and immunofluorescence showed that the expression of GSK-3β in the cisplatin and rutin groups was significantly higher compared with that in the control group. The results of the present study suggest that rutin promotes the TNF-α-induced apoptosis of A549 human lung carcinoma cells. Furthermore, rutin may be able to regulate the expression of GSK-3β protein in these cells.
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Affiliation(s)
- Fei Wu
- Department of Gynaecology and Obstetrics, Second Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Jun Chen
- Department of Gynaecology and Obstetrics, Second Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Li-Mei Fan
- Department of Gynaecology and Obstetrics, Second Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Kai Liu
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
| | - Ning Zhang
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
| | - Shi-Wen Li
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
| | - He Zhu
- Department of Gynaecology and Obstetrics, Second Hospital of Jilin University, Changchun, Jilin 130000, P.R. China
| | - Hai-Cheng Gao
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
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55
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The GSK-3-inhibitor VP2.51 produces antidepressant effects associated with adult hippocampal neurogenesis. Neuropharmacology 2017; 116:174-187. [DOI: 10.1016/j.neuropharm.2016.12.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 12/14/2016] [Accepted: 12/20/2016] [Indexed: 11/20/2022]
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56
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In vivo microscopic voxel-based morphometry with a brain template to characterize strain-specific structures in the mouse brain. Sci Rep 2017; 7:85. [PMID: 28273899 PMCID: PMC5427914 DOI: 10.1038/s41598-017-00148-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 02/13/2017] [Indexed: 12/14/2022] Open
Abstract
Hundreds of inbred mouse strains are established for use in a broad spectrum of basic research fields, including genetics, neuroscience, immunology, and cancer. Inbred mice exhibit identical intra-strain genetics and divergent inter-strain phenotypes. The cognitive and behavioral divergences must be controlled by the variances of structure and function of their brains; however, the underlying morphological features of strain-to-strain difference remain obscure. Here, in vivo microscopic magnetic resonance imaging was optimized to image the mouse brains by using an isotropic resolution of 80 μm. Next, in vivo templates were created from the data from four major inbred mouse strains (C57Bl/6, BALB/cBy, C3H/He, and DBA/2). A strain-mixed brain template was also created, and the template was then employed to establish automatic voxel-based morphometry (VBM) for the mouse brain. The VBM assessment revealed strain-specific brain morphologies concerning the gray matter volume of the four strains, with a smaller volume in the primary visual cortex for the C3H/He strain, and a smaller volume in the primary auditory cortex and field CA1 of the hippocampus for the DBA/2 strain. These findings would contribute to the basis of for understanding morphological phenotype of the inbred mouse strain and may indicate a relationship between brain morphology and strain-specific cognition and behavior.
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57
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Kondratiuk I, Łęski S, Urbańska M, Biecek P, Devijver H, Lechat B, Van Leuven F, Kaczmarek L, Jaworski T. GSK-3β and MMP-9 Cooperate in the Control of Dendritic Spine Morphology. Mol Neurobiol 2017; 54:200-211. [PMID: 26738851 PMCID: PMC5219889 DOI: 10.1007/s12035-015-9625-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 12/08/2015] [Indexed: 11/02/2022]
Abstract
Changes in the morphology of dendritic spines are prominent during learning and in different neurological and neuropsychiatric diseases, including those in which glycogen synthase kinase-3β (GSK-3β) has been implicated. Despite much evidence of the involvement of GSK-3β in functional synaptic plasticity, it is unclear how GSK-3β controls structural synaptic plasticity (i.e., the number and shape of dendritic spines). In the present study, we used two mouse models overexpressing and lacking GSK-3β in neurons to investigate how GSK-3β affects the structural plasticity of dendritic spines. Following visualization of dendritic spines with DiI dye, we found that increasing GSK-3β activity increased the number of thin spines, whereas lacking GSK-3β increased the number of stubby spines in the dentate gyrus. Under conditions of neuronal excitation, increasing GSK-3β activity caused higher activity of extracellularly acting matrix metalloproteinase-9 (MMP-9), and MMP inhibition normalized thin spines in GSK-3β overexpressing mice. Administration of the nonspecific GSK-3β inhibitor lithium in animals with active MMP-9 and animals lacking MMP-9 revealed that GSK-3β and MMP-9 act in concert to control dendritic spine morphology. Altogether, our data demonstrate that the dysregulation of GSK-3β activity has dramatic consequences on dendritic spine morphology, implicating MMP-9 as a mediator of GSK-3β-induced synaptic alterations.
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Affiliation(s)
- Ilona Kondratiuk
- Laboratory of Neurobiology, The Nencki Institute of Experimental Biology, 3 Pasteur, 02-093, Warsaw, Poland
| | - Szymon Łęski
- Laboratory of Neuroinformatics, The Nencki Institute of Experimental Biology, Warsaw, Poland
| | - Małgorzata Urbańska
- Laboratory of Molecular and Cellular Neurobiology, The International Institute of Molecular and Cell Biology, Warsaw, Poland
| | - Przemysław Biecek
- Faculty of Mathematics, Informatics, and Mechanics, University of Warsaw, Warsaw, Poland
| | - Herman Devijver
- Department of Human Genetics, Experimental Genetics Group - LEGTEGG, KULeuven, Leuven, Belgium
| | - Benoit Lechat
- Department of Human Genetics, Experimental Genetics Group - LEGTEGG, KULeuven, Leuven, Belgium
| | - Fred Van Leuven
- Department of Human Genetics, Experimental Genetics Group - LEGTEGG, KULeuven, Leuven, Belgium
| | - Leszek Kaczmarek
- Laboratory of Neurobiology, The Nencki Institute of Experimental Biology, 3 Pasteur, 02-093, Warsaw, Poland.
| | - Tomasz Jaworski
- Laboratory of Neurobiology, The Nencki Institute of Experimental Biology, 3 Pasteur, 02-093, Warsaw, Poland.
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58
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Licht-Murava A, Paz R, Vaks L, Avrahami L, Plotkin B, Eisenstein M, Eldar-Finkelman H. A unique type of GSK-3 inhibitor brings new opportunities to the clinic. Sci Signal 2016; 9. [DOI: 10.1126/scisignal.aah7102] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
A substrate peptide that the kinase GSK-3 converts into its own inhibitor improves symptoms and cognitive function in an Alzheimer’s disease model.
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Affiliation(s)
- Avital Licht-Murava
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Rom Paz
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Lilach Vaks
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Limor Avrahami
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Batya Plotkin
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Miriam Eisenstein
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Hagit Eldar-Finkelman
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
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59
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Sahin C, Unal G, Aricioglu F. Regulation of GSK-3 Activity as A Shared Mechanism in Psychiatric Disorders. ACTA ACUST UNITED AC 2016. [DOI: 10.5455/bcp.20140317063255] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Ceren Sahin
- Marmara University, School of Pharmacy Department of Pharmacology and Psychopharmacology Research Unit, Istanbul - Turkey
| | - Gokhan Unal
- Marmara University, School of Pharmacy Department of Pharmacology and Psychopharmacology Research Unit, Istanbul - Turkey
| | - Feyza Aricioglu
- Marmara University, School of Pharmacy Department of Pharmacology and Psychopharmacology Research Unit, Istanbul - Turkey
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60
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Wang Y, Wang Y, Zhong T, Guo J, Li L, Zhang H, Wang L. Transcriptional regulation of pig GYS1 gene by glycogen synthase kinase 3β (GSK3β). Mol Cell Biochem 2016; 424:203-208. [PMID: 27785702 DOI: 10.1007/s11010-016-2856-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 10/22/2016] [Indexed: 01/02/2023]
Abstract
Glycogen synthase kinase 3β (GSK3β) is a ubiquitous serine/threonine kinase and has important roles in glycogen metabolism biosynthesis. Studies have revealed that GSK3β can directly regulate the glycogen synthase activity, yet little is known about the regulation of GSK3β on GYS1 gene transcription. Here, we show that overexpression of GSK3β decreased the mRNA expression level of GYS1. Then we cloned approximately 1.5 kb of pig GYS1 gene promoter region, generated sequential deletion constructs, and evaluated their activity. A gradual increase of the promoter activity was seen with increasing length of the promoter sequence, reaching its highest activity to the sequence corresponding to nt -350 to +224, and then decreased. However, the activities of constructed promoter fragments show different responses to GSK3β co-transfection. By analyzing a series of GYS1 promoter reporter constructs, we have defined two crucial regions (-1488 to -539, -350 to -147) that are responsible for GSK3β-induced transcriptional repression. Furthermore, the ChIP results revealed that only the first and second NF-κB sites of GYS1 promoter could bind to p65, and overexpression of GSK3β induced a significant decrease in p65 binding to the second NF-κB binding site, suggesting that GSK3β may regulate expression of GYS1 gene through binding to the second rather than the first NF-κB site. These data suggest that the NF-κB plays important roles in the transcriptional activity of pig GYS1 gene regulated by GSK3β.
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Affiliation(s)
- Yilin Wang
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Yan Wang
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Tao Zhong
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Jiazhong Guo
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Li Li
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Hongping Zhang
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Linjie Wang
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China. .,Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China.
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61
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Xu LZ, Xu DF, Han Y, Liu LJ, Sun CY, Deng JH, Zhang RX, Yuan M, Zhang SZ, Li ZM, Xu Y, Li JS, Xie SH, Li SX, Zhang HY, Lu L. BDNF-GSK-3β-β-Catenin Pathway in the mPFC Is Involved in Antidepressant-Like Effects of Morinda officinalis Oligosaccharides in Rats. Int J Neuropsychopharmacol 2016; 20:83-93. [PMID: 27729466 PMCID: PMC5737867 DOI: 10.1093/ijnp/pyw088] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 10/10/2016] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Morinda officinalis oligosaccharides have been reported to exert neuroprotective and antidepressant-like effects in the forced swim test in mice. However, the mechanisms that underlie the antidepressant-like effects of Morinda officinalis oligosaccharides are unclear. METHODS Chronic unpredictable stress and forced swim test were used to explore the antidepressant-like effects of Morinda officinalis oligosaccharides and resilience to stress in rats. The phosphoinositide-3 kinase inhibitor LY294002 was microinjected in the medial prefrontal cortex to explore the role of glycogen synthase kinase-3β in the antidepressant-like effects of Morinda officinalis oligosaccharides. The expression of brain-derived neurotrophic factor, phosphorylated-Ser9-glycogen synthase kinase 3β, β-catenin, and synaptic proteins was determined in the medial prefrontal cortex and the orbitofrontal cortex by western blot. RESULTS We found that Morinda officinalis oligosaccharides effectively ameliorated chronic unpredictable stress-induced depression-like behaviors in the sucrose preference test and forced swim test. The Morinda officinalis oligosaccharides also significantly rescued chronic unpredictable stress-induced abnormalities in the brain-derived neurotrophic factor-glycogen synthase kinase-3β-β-catenin pathway and synaptic protein deficits in the medial prefrontal cortex but not orbitofrontal cortex. The activation of glycogen synthase kinase-3β by the phosphoinositide-3 kinase inhibitor LY294002 abolished the antidepressant-like effects of Morinda officinalis oligosaccharides in the forced swim test. Naïve rats that were treated with Morinda officinalis oligosaccharides exhibited resilience to chronic unpredictable stress, accompanied by increases in the expression of brain-derived neurotrophic factor, phosphorylated-Ser9-glycogen synthase kinase-3β, and β-catenin in the medial prefrontal cortex. CONCLUSION Our findings indicate that the brain-derived neurotrophic factor-glycogen synthase kinase-3β-β-catenin pathway in the medial prefrontal cortex may underlie the antidepressant-like effect of Morinda officinalis oligosaccharides and resilience to stress.
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Affiliation(s)
- Ling-Zhi Xu
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - De-Feng Xu
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Ying Han
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Li-Jing Liu
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Cheng-Yu Sun
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Jia-Hui Deng
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Ruo-Xi Zhang
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Ming Yuan
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Su-Zhen Zhang
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Zhi-Meng Li
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Yi Xu
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Jin-Sheng Li
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Su-Hua Xie
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie)
| | - Su-Xia Li
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie),Correspondence: Su-Xia Li, MD, PhD, National Institute on Drug Dependence, Peking University, 38, Xue Yuan Road, Haidian District, Beijing 100191, China (); and Hong-Yan Zhang, BS and Lin Lu, MD, PhD, Peking University Sixth Hospital/Institute of Mental Health/National Clinical Research Center for Mental Disorder, Peking University, 51 Huayuan Bei Road, Haidian District, Beijing 100191, China () and ()
| | - Hong-Yan Zhang
- Institute of Mental Health, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health and Peking University Sixth Hospital, Peking University, Beijing, China (Dr L.-Z. Xu, Mr D.-F. Xu, Drs Sun, Deng, and R.-X. Zhang, Ms S.-Z. Zhang, Ms H.-Y. Zhang, and Dr Lu); National Institute on Drug Dependence, Peking University, Beijing, China (Dr L.-Z. Xu, Dr Han, Ms Liu, Drs Sun, Deng, and R.-X. Zhang, Ms Yuan, Dr S.-X. Li, and Dr Lu); Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China (Dr Lu); Beijing Zhong Yan Tongrentang Medicine R&D Co., Ltd, Beijing, China (Mr Z.-M. Li, and Dr Xu); Beijing Tong Ren Tang Co., Ltd, Beijing, China (Dr J.-S. Li, and Ms Xie),Correspondence: Su-Xia Li, MD, PhD, National Institute on Drug Dependence, Peking University, 38, Xue Yuan Road, Haidian District, Beijing 100191, China (); and Hong-Yan Zhang, BS and Lin Lu, MD, PhD, Peking University Sixth Hospital/Institute of Mental Health/National Clinical Research Center for Mental Disorder, Peking University, 51 Huayuan Bei Road, Haidian District, Beijing 100191, China () and ()
| | - Lin Lu
- Correspondence: Su-Xia Li, MD, PhD, National Institute on Drug Dependence, Peking University, 38, Xue Yuan Road, Haidian District, Beijing 100191, China (); and Hong-Yan Zhang, BS and Lin Lu, MD, PhD, Peking University Sixth Hospital/Institute of Mental Health/National Clinical Research Center for Mental Disorder, Peking University, 51 Huayuan Bei Road, Haidian District, Beijing 100191, China () and ()
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McCubrey JA, Rakus D, Gizak A, Steelman LS, Abrams SL, Lertpiriyapong K, Fitzgerald TL, Yang LV, Montalto G, Cervello M, Libra M, Nicoletti F, Scalisi A, Torino F, Fenga C, Neri LM, Marmiroli S, Cocco L, Martelli AM. Effects of mutations in Wnt/β-catenin, hedgehog, Notch and PI3K pathways on GSK-3 activity-Diverse effects on cell growth, metabolism and cancer. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:2942-2976. [PMID: 27612668 DOI: 10.1016/j.bbamcr.2016.09.004] [Citation(s) in RCA: 116] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/14/2016] [Accepted: 09/02/2016] [Indexed: 02/07/2023]
Abstract
Glycogen synthase kinase-3 (GSK-3) is a serine/threonine kinase that participates in an array of critical cellular processes. GSK-3 was first characterized as an enzyme that phosphorylated and inactivated glycogen synthase. However, subsequent studies have revealed that this moon-lighting protein is involved in numerous signaling pathways that regulate not only metabolism but also have roles in: apoptosis, cell cycle progression, cell renewal, differentiation, embryogenesis, migration, regulation of gene transcription, stem cell biology and survival. In this review, we will discuss the roles that GSK-3 plays in various diseases as well as how this pivotal kinase interacts with multiple signaling pathways such as: PI3K/PTEN/Akt/mTOR, Ras/Raf/MEK/ERK, Wnt/beta-catenin, hedgehog, Notch and TP53. Mutations that occur in these and other pathways can alter the effects that natural GSK-3 activity has on regulating these signaling circuits that can lead to cancer as well as other diseases. The novel roles that microRNAs play in regulation of the effects of GSK-3 will also be evaluated. Targeting GSK-3 and these other pathways may improve therapy and overcome therapeutic resistance.
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Affiliation(s)
- James A McCubrey
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University Greenville, NC 27858, USA.
| | - Dariusz Rakus
- Department of Animal Molecular Physiology, Institute of Experimental Biology, Wroclaw University, Wroclaw, Poland
| | - Agnieszka Gizak
- Department of Animal Molecular Physiology, Institute of Experimental Biology, Wroclaw University, Wroclaw, Poland
| | - Linda S Steelman
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University Greenville, NC 27858, USA
| | - Steve L Abrams
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University Greenville, NC 27858, USA
| | - Kvin Lertpiriyapong
- Department of Comparative Medicine, Brody School of Medicine at East Carolina University, USA
| | - Timothy L Fitzgerald
- Department of Surgery, Brody School of Medicine at East Carolina University, USA
| | - Li V Yang
- Department of Internal Medicine, Hematology/Oncology Section, Brody School of Medicine at East Carolina University, USA
| | - Giuseppe Montalto
- Biomedical Department of Internal Medicine and Specialties, University of Palermo, Palermo, Italy; Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Palermo, Italy
| | - Melchiorre Cervello
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Palermo, Italy
| | - Massimo Libra
- Department of Bio-medical Sciences, University of Catania, Catania, Italy
| | | | - Aurora Scalisi
- Unit of Oncologic Diseases, ASP-Catania, Catania 95100, Italy
| | - Francesco Torino
- Department of Systems Medicine, Chair of Medical Oncology, Tor Vergata University of Rome, Rome, Italy
| | - Concettina Fenga
- Department of Biomedical, Odontoiatric, Morphological and Functional Images, Occupational Medicine Section - Policlinico "G. Martino" - University of Messina, Messina 98125, Italy
| | - Luca M Neri
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Sandra Marmiroli
- Department of Surgery, Medicine, Dentistry and Morphology, University of Modena and Reggio Emilia, Modena, Italy
| | - Lucio Cocco
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
| | - Alberto M Martelli
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
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63
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Adongo DW, Mante PK, Edem Kukuia KK, Ameyaw EO, Woode E, Azi IH. Anxiolytic-like effect of the leaves of Pseudospondias microcarpa (A. Rich.) Engl. in mice. J Basic Clin Physiol Pharmacol 2016; 27:533-46. [PMID: 27124674 DOI: 10.1515/jbcpp-2015-0067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 03/24/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND Pseudospondias microcarpa is a plant used for managing various diseases including CNS disorders. Previous studies showed sedative and anticonvulsant effects, suggesting possible anxiolytic activity. This study therefore assessed the anxiolytic effects of P. microcarpa hydroethanolic leaf extract (PME) in mice. METHODS In the present study, anxiolytic-like effect of the extract in behavioural paradigms of anxiety - the elevated plus maze (EPM), light/dark box (LDB), social interaction test and stress-induced hyperthermia (SIH) - was evaluated. RESULTS Mice treated with PME (30-300 mg kg-1, p.o.) exhibited anxiolytic-like activity similar to diazepam in all the anxiety models used. The extract increased open arm activity (p<0.05) in the EPM as well as increasing the time spent in the lit area in relation to the time spent in the dark area of the LDB. Sociability and preference for social novelty significantly (p<0.05-0.001) increased in mice treated with PME. In the SIH paradigm in mice, both PME and the benzodiazepine receptor agonist, diazepam, significantly (p<0.05) reduced the stress-induced increase in rectal temperature. The extract did not impair motor coordination and balance in the beam walk test. CONCLUSIONS Results of the present study indicate that PME possesses anxiolytic-like effects in mice.
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Wagner FF, Bishop JA, Gale JP, Shi X, Walk M, Ketterman J, Patnaik D, Barker D, Walpita D, Campbell AJ, Nguyen S, Lewis M, Ross L, Weïwer M, An WF, Germain AR, Nag PP, Metkar S, Kaya T, Dandapani S, Olson DE, Barbe AL, Lazzaro F, Sacher JR, Cheah JH, Fei D, Perez J, Munoz B, Palmer M, Stegmaier K, Schreiber SL, Scolnick E, Zhang YL, Haggarty SJ, Holson EB, Pan JQ. Inhibitors of Glycogen Synthase Kinase 3 with Exquisite Kinome-Wide Selectivity and Their Functional Effects. ACS Chem Biol 2016; 11:1952-63. [PMID: 27128528 DOI: 10.1021/acschembio.6b00306] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The mood stabilizer lithium, the first-line treatment for bipolar disorder, is hypothesized to exert its effects through direct inhibition of glycogen synthase kinase 3 (GSK3) and indirectly by increasing GSK3's inhibitory serine phosphorylation. GSK3 comprises two highly similar paralogs, GSK3α and GSK3β, which are key regulatory kinases in the canonical Wnt pathway. GSK3 stands as a nodal target within this pathway and is an attractive therapeutic target for multiple indications. Despite being an active field of research for the past 20 years, many GSK3 inhibitors demonstrate either poor to moderate selectivity versus the broader human kinome or physicochemical properties unsuitable for use in in vitro systems or in vivo models. A nonconventional analysis of data from a GSK3β inhibitor high-throughput screening campaign, which excluded known GSK3 inhibitor chemotypes, led to the discovery of a novel pyrazolo-tetrahydroquinolinone scaffold with unparalleled kinome-wide selectivity for the GSK3 kinases. Taking advantage of an uncommon tridentate interaction with the hinge region of GSK3, we developed highly selective and potent GSK3 inhibitors, BRD1652 and BRD0209, which demonstrated in vivo efficacy in a dopaminergic signaling paradigm modeling mood-related disorders. These new chemical probes open the way for exclusive analyses of the function of GSK3 kinases in multiple signaling pathways involved in many prevalent disorders.
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Affiliation(s)
| | - Joshua A. Bishop
- Chemical Neurobiology Laboratory, Departments of Neurology & Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02215, United States
| | | | | | | | | | - Debasis Patnaik
- Chemical Neurobiology Laboratory, Departments of Neurology & Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02215, United States
| | | | | | | | | | | | - Linda Ross
- Department
of Pediatric Oncology, Dana-Farber Cancer Institute and Boston Children’s Hospital, Boston, Massachusetts 02215, United States
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Kimberly Stegmaier
- Department
of Pediatric Oncology, Dana-Farber Cancer Institute and Boston Children’s Hospital, Boston, Massachusetts 02215, United States
| | | | | | | | - Stephen J. Haggarty
- Chemical Neurobiology Laboratory, Departments of Neurology & Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02215, United States
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Freudenberg F, Carreño Gutierrez H, Post AM, Reif A, Norton WHJ. Aggression in non-human vertebrates: Genetic mechanisms and molecular pathways. Am J Med Genet B Neuropsychiatr Genet 2016; 171:603-40. [PMID: 26284957 DOI: 10.1002/ajmg.b.32358] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 07/28/2015] [Indexed: 11/07/2022]
Abstract
Aggression is an adaptive behavioral trait that is important for the establishment of social hierarchies and competition for mating partners, food, and territories. While a certain level of aggression can be beneficial for the survival of an individual or species, abnormal aggression levels can be detrimental. Abnormal aggression is commonly found in human patients with psychiatric disorders. The predisposition to aggression is influenced by a combination of environmental and genetic factors and a large number of genes have been associated with aggression in both human and animal studies. In this review, we compare and contrast aggression studies in zebrafish and mouse. We present gene ontology and pathway analyses of genes linked to aggression and discuss the molecular pathways that underpin agonistic behavior in these species. © 2015 Wiley Periodicals, Inc.
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Affiliation(s)
- Florian Freudenberg
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital of Frankfurt, Frankfurt am Main, Germany
| | | | - Antonia M Post
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital of Frankfurt, Frankfurt am Main, Germany
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital of Frankfurt, Frankfurt am Main, Germany
| | - William H J Norton
- Department of Neuroscience, Psychology and Behaviour, University of Leicester, Leicester, UK
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66
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Multimodal MRI Evaluation of the MitoPark Mouse Model of Parkinson's Disease. PLoS One 2016; 11:e0151884. [PMID: 27003179 PMCID: PMC4803323 DOI: 10.1371/journal.pone.0151884] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 03/04/2016] [Indexed: 01/10/2023] Open
Abstract
The MitoPark mouse, a relatively new genetic model of Parkinson’s disease (PD), has a dopaminergic neuron-specific knock-out that inactivates the mitochondrial transcription factor A (Tfam), a protein essential for mitochondrial DNA expression and maintenance. This study used multimodal MRI to characterize the neuroanatomical correlates of PD-related deficits in MitoPark mice, along with functional behavioral tests. Compared with age-matched wild-type animals, MitoPark mice at 30 weeks showed: i) reduced whole-brain volume and increased ventricular volume, indicative of brain atrophy, ii) reduced transverse relaxation time (T2*) of the substantia nigra and striatum, suggestive of abnormal iron accumulation, iii) reduced apparent diffusion coefficient in the substantia nigra, suggestive of neuronal loss, iv) reduced fractional anisotropy in the corpus callosum and substantia nigra, indicative of white-matter damages, v) cerebral blood flow was not significantly affected, and vi) reduced motor activity in open-field tests, reduced memory in novel object recognition tests, as well as decreased mobility in tail suspension tests, an indication of depression. In sum, MitoPark mice recapitulate changes in many MRI parameters reported in PD patients. Multimodal MRI may prove useful for evaluating neuroanatomical correlates of PD pathophysiology in MitoPark mice, and for longitudinally monitoring disease progression and therapeutic interventions for PD.
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67
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Discrete functions of GSK3α and GSK3β isoforms in prostate tumor growth and micrometastasis. Oncotarget 2016; 6:5947-62. [PMID: 25714023 PMCID: PMC4467413 DOI: 10.18632/oncotarget.3335] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Accepted: 01/04/2015] [Indexed: 11/25/2022] Open
Abstract
Isoform specific function of glycogen synthase kinase-3 (GSK3) in cancer is not well defined. We report that silencing of GSK3α, but not GSK3β expression inhibited proliferation, survival and colony formation by the PC3, DU145 and LNCaP prostate cancer cells, and the growth of PC3 tumor xenografts in athymic nude mice. Silencing of GSK3α, but not GSK3β resulted in reduced proliferation and enhanced apoptosis in tumor xenografts. ShRNA-mediated knockdown of GSK3α and GSK3β equally inhibited the ability of prostate cancer cells to migrate and invade the endothelial-barrier in vitro, and PC3 cell micrometastasis to lungs in vivo. Mechanistically, whereas silencing GSK3α resulted in increased expression of pro-apoptotic markers cleaved caspase-3 and cleaved caspase-9 in LNCaP, PC3 and DU145 cells, silencing GSK3β resulted in the inhibition of cell scattering, establishment of cell-cell contacts, increased expression and membrane localization of β-catenin, and reduced expression of epithelial to mesenchymal transition (EMT) markers such as Snail and MMP-9. This indicated the specific role of GSK3β in EMT, acquisition of motility and invasive potential. Overall, our data demonstrated the isoform specific role of GSK3α and GSK3β in prostate cancer cells in vitro, and tumor growth and micrometastasis in vivo, via distinct molecular and cellular mechanisms.
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68
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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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69
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Jung EM, Moffat JJ, Kim WY. Regenerative potential of targeting glycogen synthase kinase-3 signaling in neural tissues. Neural Regen Res 2016; 10:1912-3. [PMID: 26889164 PMCID: PMC4730800 DOI: 10.4103/1673-5374.169627] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Affiliation(s)
- Eui-Man Jung
- Department of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE, USA
| | - Jeffrey J Moffat
- Department of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE, USA
| | - Woo-Yang Kim
- Department of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE, USA
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70
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Pardo M, Abrial E, Jope RS, Beurel E. GSK3β isoform-selective regulation of depression, memory and hippocampal cell proliferation. GENES BRAIN AND BEHAVIOR 2016; 15:348-55. [PMID: 26749572 DOI: 10.1111/gbb.12283] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 01/05/2016] [Accepted: 01/05/2016] [Indexed: 01/10/2023]
Abstract
Abnormally active glycogen synthase kinase-3 (GSK3) contributes to pathological processes in multiple psychiatric and neurological disorders. Modeled in mice, this includes increasing susceptibility to dysregulation of mood-relevant behaviors, impairing performance in several cognitive tasks and impairing adult hippocampal neural precursor cell (NPC) proliferation. These deficits are all evident in GSK3α/β knockin mice, in which serine-to-alanine mutations block the inhibitory serine phosphorylation regulation of both GSK3 isoforms, leaving GSK3 hyperactive. It was unknown if both GSK3 isoforms perform redundant actions in these processes, or if hyperactivity of one GSK3 isoform has a predominant effect. To test this, we examined GSK3α or GSK3β knockin mice in which only one isoform was mutated to a hyperactive form. Only GSK3β, not GSK3α, knockin mice displayed heightened vulnerability to the learned helplessness model of depression-like behavior. Three cognitive measures impaired in GSK3α/β knockin mice showed differential regulation by GSK3 isoforms. Novel object recognition was impaired in GSK3β, not in GSK3α, knockin mice, whereas temporal order memory was not impaired in GSK3α or GSK3β knockin mice, and co-ordinate spatial processing was impaired in both GSK3α and GSK3β knockin mice. Adult hippocampal NPC proliferation was severely impaired in GSK3β knockin mice, but not impaired in GSK3α knockin mice. Increased activity of GSK3β, in the absence of overexpression or disease pathology, is sufficient to impair mood regulation, novel object recognition and hippocampal NPC proliferation, whereas hyperactive GSK3α individually does not impair these processes. These results show that hyperactivity of the two GSK3 isoforms execute non-redundant effects on these processes.
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Affiliation(s)
- M Pardo
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miami, FL, USA.,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - E Abrial
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miami, FL, USA.,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - R S Jope
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miami, FL, USA.,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - E Beurel
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miami, FL, USA.,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
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Veroude K, Zhang-James Y, Fernàndez-Castillo N, Bakker MJ, Cormand B, Faraone SV. Genetics of aggressive behavior: An overview. Am J Med Genet B Neuropsychiatr Genet 2016; 171B:3-43. [PMID: 26345359 DOI: 10.1002/ajmg.b.32364] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 08/05/2015] [Indexed: 12/24/2022]
Abstract
The Research Domain Criteria (RDoC) address three types of aggression: frustrative non-reward, defensive aggression and offensive/proactive aggression. This review sought to present the evidence for genetic underpinnings of aggression and to determine to what degree prior studies have examined phenotypes that fit into the RDoC framework. Although the constructs of defensive and offensive aggression have been widely used in the animal genetics literature, the human literature is mostly agnostic with regard to all the RDoC constructs. We know from twin studies that about half the variance in behavior may be explained by genetic risk factors. This is true for both dimensional, trait-like, measures of aggression and categorical definitions of psychopathology. The non-shared environment seems to have a moderate influence with the effects of shared environment being unclear. Human molecular genetic studies of aggression are in an early stage. The most promising candidates are in the dopaminergic and serotonergic systems along with hormonal regulators. Genome-wide association studies have not yet achieved genome-wide significance, but current samples are too small to detect variants having the small effects one would expect for a complex disorder. The strongest molecular evidence for a genetic basis for aggression comes from animal models comparing aggressive and non-aggressive strains or documenting the effects of gene knockouts. Although we have learned much from these prior studies, future studies should improve the measurement of aggression by using a systematic method of measurement such as that proposed by the RDoC initiative.
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Affiliation(s)
- Kim Veroude
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboudumc, Nijmegen, The Netherlands
| | - Yanli Zhang-James
- Departments of Psychiatry and of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, New York.,Departments of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, New York
| | - Noèlia Fernàndez-Castillo
- Departament de Genètica, Facultat de Biologia, Universitat de Barcelona, Catalonia, Spain.,Institut de Biomedicina de la Universitat de Barcelona (IBUB), Catalonia, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Spain
| | - Mireille J Bakker
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboudumc, Nijmegen, The Netherlands
| | - Bru Cormand
- Departament de Genètica, Facultat de Biologia, Universitat de Barcelona, Catalonia, Spain.,Institut de Biomedicina de la Universitat de Barcelona (IBUB), Catalonia, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Spain
| | - Stephen V Faraone
- Departments of Psychiatry and of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, New York.,Departments of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, New York.,K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of Bergen, Bergen, Norway
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72
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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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TRPM2, a Susceptibility Gene for Bipolar Disorder, Regulates Glycogen Synthase Kinase-3 Activity in the Brain. J Neurosci 2015; 35:11811-23. [PMID: 26311765 DOI: 10.1523/jneurosci.5251-14.2015] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
UNLABELLED Bipolar disorder (BD) is a psychiatric disease that causes mood swings between manic and depressed states. Although genetic linkage studies have shown an association between BD and TRPM2, a Ca(2+)-permeable cation channel, the nature of this association is unknown. Here, we show that D543E, a mutation of Trpm2 that is frequently found in BD patients, induces loss of function. Trpm2-deficient mice exhibited BD-related behavior such as increased anxiety and decreased social responses, along with disrupted EEG functional connectivity. Moreover, the administration of amphetamine in wild-type mice evoked a notable increase in open-field activity that was reversed by the administration of lithium. However, the anti-manic action of lithium was not observed in the Trpm2(-/-) mice. The brains of Trpm2(-/-) mice showed a marked increase in phosphorylated glycogen synthase kinase-3 (GSK-3), a key element in BD-like behavior and a target of lithium. In contrast, activation of TRPM2 induced the dephosphorylation of GSK-3 via calcineurin, a Ca(2+)-dependent phosphatase. Importantly, the overexpression of the D543E mutant failed to induce the dephosphorylation of GSK-3. Therefore, we conclude that the genetic dysfunction of Trpm2 causes uncontrolled phosphorylation of GSK-3, which may lead to the pathology of BD. Our findings explain the long-sought etiologic mechanism underlying the genetic link between Trpm2 mutation and BD. SIGNIFICANCE STATEMENT Bipolar disorder (BD) is a mental disorder that causes changes in mood and the etiology is still unknown. TRPM2 is highly associated with BD; however, its involvement in the etiology of BD is still unknown. We show here that TRPM2 plays a central role in causing the pathology of BD. We found that D543E, a mutation of Trpm2 frequently found in BD patients, induces the loss of function. Trpm2-deficient mice exhibited mood disturbances and impairments in social cognition. TRPM2 actively regulates the phosphorylation of GSK-3, which is a main target of lithium, a primary medicine for treating BD. Therefore, abnormal regulation of GSK-3 by hypoactive TRPM2 mutants accounts for the pathology of BD, providing the possible link between BD and TRPM2.
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74
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Neumann T, Benajiba L, Göring S, Stegmaier K, Schmidt B. Evaluation of Improved Glycogen Synthase Kinase-3α Inhibitors in Models of Acute Myeloid Leukemia. J Med Chem 2015; 58:8907-19. [PMID: 26496242 DOI: 10.1021/acs.jmedchem.5b01200] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The challenge for glycogen synthase kinase-3 (GSK-3) inhibitor design lies in achieving high selectivity for one isoform over the other. The therapy of certain diseases, such as acute myeloid leukemia (AML), may require α-isoform specific targeting. The scorpion shaped GSK-3 inhibitors developed by our group achieved the highest GSK-3α selectivity reported so far but suffered from insufficient aqueous solubility. This work presents the solubility-driven optimization of our isoform-selective inhibitors using a scorpion shaped lead. Among 15 novel compounds, compound 27 showed high activity against GSK-3α/β with the highest GSK-3α selectivity reported to date. Compound 27 was profiled for bioavailability and toxicity in a zebrafish embryo phenotype assay. Selective GSK-3α targeting in AML cell lines was achieved with compound 27, resulting in a strong differentiation phenotype and colony formation impairment, confirming the potential of GSK-3α inhibition in AML therapy.
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Affiliation(s)
- Theresa Neumann
- Clemens Schöpf Institute of Organic Chemistry and Biochemistry, Technische Universität Darmstadt , 64287 Darmstadt, Germany
| | - Lina Benajiba
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School , Boston, Massachusetts 02215, United States
| | - Stefan Göring
- Clemens Schöpf Institute of Organic Chemistry and Biochemistry, Technische Universität Darmstadt , 64287 Darmstadt, Germany
| | - Kimberly Stegmaier
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School , Boston, Massachusetts 02215, United States
| | - Boris Schmidt
- Clemens Schöpf Institute of Organic Chemistry and Biochemistry, Technische Universität Darmstadt , 64287 Darmstadt, Germany
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75
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Cortés-Vieyra R, Silva-García O, Oviedo-Boyso J, Huante-Mendoza A, Bravo-Patiño A, Valdez-Alarcón JJ, Finlay BB, Baizabal-Aguirre VM. The Glycogen Synthase Kinase 3α and β Isoforms Differentially Regulates Interleukin-12p40 Expression in Endothelial Cells Stimulated with Peptidoglycan from Staphylococcus aureus. PLoS One 2015. [PMID: 26200352 PMCID: PMC4511647 DOI: 10.1371/journal.pone.0132867] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Glycogen synthase kinase 3 (GSK3) is a constitutively active regulatory enzyme that is important in cancer, diabetes, and cardiovascular, neurodegenerative, and psychiatric diseases. While GSK3α is usually important in neurodegenerative and psychiatric diseases GSK3β is fundamental in the inflammatory response caused by bacterial components. Peptidoglycan (PGN), one of the most abundant cell-wall structures of Gram-positive bacteria, is an important inducer of inflammation. To evaluate whether inhibition of GSK3α and GSK3β activity in bovine endothelial cells (BEC) regulates the expression of the pro-inflammatory cytokine IL-12p40, we treated BEC with SDS-purified PGN from Staphylococcus aureus. We found that PGN triggered a TLR2/PI3K/Akt-dependent phosphorylation of GSK3α at Ser21, GSK3β at Ser9, and NF-κB p65 subunit (p65) at Ser536, and the phosphorylation of GSK3α was consistently higher than that of GSK3β. The expression of IL-12p40 was inhibited in BEC stimulated with PGN and pre-treated with a specific neutralizing anti-TLR2 antibody that targets the extracellular domain of TLR2 or by the addition of Akt-i IV (an Akt inhibitor). Inhibition of GSK3α and GSK3β with LiCl or SB216763 induced an increase in IL-12p40 mRNA and protein. The effect of each isoform on IL-12p40 expression was evaluated by siRNA-gene expression silencing of GSK3α and GSK3β. GSK3α gene silencing resulted in a marked increase in IL-12p40 mRNA and protein while GSK3β gene silencing had the opposite effect on IL-12p40 expression. These results indicate that the TLR2/PI3K/Akt-dependent inhibition of GSK3α activity also plays an important role in the inflammatory response caused by stimulation of BEC with PGN from S. aureus.
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Affiliation(s)
- Ricarda Cortés-Vieyra
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
| | - Octavio Silva-García
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
| | - Javier Oviedo-Boyso
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
| | - Alejandro Huante-Mendoza
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
| | - Alejandro Bravo-Patiño
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
| | - Juan J. Valdez-Alarcón
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
| | - B. Brett Finlay
- Michael Smith Laboratories, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Víctor M. Baizabal-Aguirre
- Molecular Immunology and Signal Transduction Laboratory, Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Carretera Morelia-Zinapécuaro, La Palma, Tarímbaro, Morelia, Michoacán, México
- * E-mail:
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76
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Jung EM, Ka M, Kim WY. Loss of GSK-3 Causes Abnormal Astrogenesis and Behavior in Mice. Mol Neurobiol 2015; 53:3954-3966. [PMID: 26179612 DOI: 10.1007/s12035-015-9326-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 06/25/2015] [Indexed: 12/20/2022]
Abstract
Altered activity of glycogen synthase kinase-3 (GSK-3) is associated with psychiatric diseases and neurodegenerative diseases. GSK-3 is a key regulator in multiple aspects of neuronal differentiation in the brain. However, little is known about the role of GSK-3 in astrocyte development. To examine the role of GSK-3 in astrocytes, we generated a conditional knockout mouse using a glial fibrillary acidic protein (GFAP)-cre driver, in which the GSK-3 alpha and beta genes are deleted in astrocytes. We found that GFAP-cre-mediated GSK-3 deletion led to a larger brain. The number and size of astrocytes were increased in GSK-3 mutant brains. The levels of GFAP and phospho-STAT3, indicators of astrogenesis, were elevated in GSK-3 mutants. Furthermore, we found upregulation of astrocyte regulatory molecules such as phospho-AKT, phospho-S6, and cyclin D in GSK-3 mutant brains. Finally, GSK-3 mutant mice exhibited aberrant anxiety and social behavior. Our results suggest that GSK-3 plays a significant role in astrocyte development and behavioral control in mice.
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Affiliation(s)
- Eui-Man Jung
- Department of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Minhan Ka
- Department of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Woo-Yang Kim
- Department of Developmental Neuroscience, Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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77
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Aloni E, Shapira M, Eldar-Finkelman H, Barnea A. GSK-3β Inhibition Affects Singing Behavior and Neurogenesis in Adult Songbirds. BRAIN, BEHAVIOR AND EVOLUTION 2015; 85:233-44. [PMID: 26065821 DOI: 10.1159/000382029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 04/01/2015] [Indexed: 11/19/2022]
Abstract
GSK-3 (glycogen synthase kinase-3) is a serine/threonine kinase which is a critical regulator in neuronal signaling, cognition, and behavior. We have previously shown that unlike other vertebrates that harbor both α and β GSK-3 genes, the α gene is missing in birds. Therefore, birds can be used as a new animal model to study the roles of GSK-3β in behavior and in regulating adult neurogenesis. In the present study, we inhibited GSK-3β in brains of adult male zebra finches (Taeniopygia guttata) and accordingly investigated how this inhibition affects behavior and cell proliferation. Our results show that GSK-3 inhibition: (1) affects specific aspects of singing behavior, which might be related to social interactions in birds, and (2) differentially affects cell proliferation in various parts of the ventricular zone. Taken together, our study demonstrates a role of GSK-3β in regulating singing behavior and neuronal proliferation in birds and highlights the importance of GSK-3β in modulating cognitive abilities as well as social behavior.
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Affiliation(s)
- Etay Aloni
- Department of Human Molecular Genetics and Biochemistry, Tel Aviv University, Tel Aviv, Israel
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78
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McCubrey JA, Steelman LS, Bertrand FE, Davis NM, Sokolosky M, Abrams SL, Montalto G, D'Assoro AB, Libra M, Nicoletti F, Maestro R, Basecke J, Rakus D, Gizak A, Demidenko ZN, Cocco L, Martelli AM, Cervello M. GSK-3 as potential target for therapeutic intervention in cancer. Oncotarget 2015; 5:2881-911. [PMID: 24931005 PMCID: PMC4102778 DOI: 10.18632/oncotarget.2037] [Citation(s) in RCA: 367] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The serine/threonine kinase glycogen synthase kinase-3 (GSK-3) was initially identified and studied in the regulation of glycogen synthesis. GSK-3 functions in a wide range of cellular processes. Aberrant activity of GSK-3 has been implicated in many human pathologies including: bipolar depression, Alzheimer's disease, Parkinson's disease, cancer, non-insulin-dependent diabetes mellitus (NIDDM) and others. In some cases, suppression of GSK-3 activity by phosphorylation by Akt and other kinases has been associated with cancer progression. In these cases, GSK-3 has tumor suppressor functions. In other cases, GSK-3 has been associated with tumor progression by stabilizing components of the beta-catenin complex. In these situations, GSK-3 has oncogenic properties. While many inhibitors to GSK-3 have been developed, their use remains controversial because of the ambiguous role of GSK-3 in cancer development. In this review, we will focus on the diverse roles that GSK-3 plays in various human cancers, in particular in solid tumors. Recently, GSK-3 has also been implicated in the generation of cancer stem cells in various cell types. We will also discuss how this pivotal kinase interacts with multiple signaling pathways such as: PI3K/PTEN/Akt/mTORC1, Ras/Raf/MEK/ERK, Wnt/beta-catenin, Hedgehog, Notch and others.
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Affiliation(s)
- James A McCubrey
- Department of Microbiology and Immunology,Brody School of Medicine at East Carolina University Greenville, NC 27858 USA
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79
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Beurel E, Jope RS. Inflammation and lithium: clues to mechanisms contributing to suicide-linked traits. Transl Psychiatry 2014; 4:e488. [PMID: 25514751 PMCID: PMC4270310 DOI: 10.1038/tp.2014.129] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 09/21/2014] [Accepted: 10/26/2014] [Indexed: 12/15/2022] Open
Abstract
Suicide is one of the leading causes of death in the United States, yet it remains difficult to understand the mechanistic provocations and to intervene therapeutically. Stress is recognized as a frequent precursor to suicide. Psychological stress is well established to cause activation of the inflammatory response, including causing neuroinflammation, an increase of inflammatory molecules in the central nervous system (CNS). Neuroinflammation is increasingly recognized as affecting many aspects of CNS functions and behaviors. In particular, much evidence demonstrates that inflammatory markers are elevated in traits that have been linked to suicidal behavior, including aggression, impulsivity and depression. Lithium is recognized as significantly reducing suicidal behavior, is anti-inflammatory and diminishes aggression, impulsivity and depression traits, each of which is associated with elevated inflammation. The anti-inflammatory effects of lithium result from its inhibition of glycogen synthase kinase-3 (GSK3). GSK3 has been demonstrated to strongly promote inflammation, aggressive behavior in rodents and depression-like behaviors in rodents, whereas regulation of impulsivity by GSK3 has not yet been investigated. Altogether, evidence is building supporting the hypothesis that stress activates GSK3, which in turn promotes inflammation, and that inflammation is linked to behaviors associated with suicide, including particularly aggression, impulsivity and depression. Further investigation of these links may provide a clearer understanding of the causes of suicidal behavior and provide leads for the development of effective preventative interventions, which may include inhibitors of GSK3.
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Affiliation(s)
- E Beurel
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - R S Jope
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA,Miller School of Medicine, University of Miami, 1011 NW 15th Street, Gautier Building Room 416, Miami, FL 33136, USA. E-mail:
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80
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Beurel E, Grieco SF, Jope RS. Glycogen synthase kinase-3 (GSK3): regulation, actions, and diseases. Pharmacol Ther 2014; 148:114-31. [PMID: 25435019 DOI: 10.1016/j.pharmthera.2014.11.016] [Citation(s) in RCA: 1120] [Impact Index Per Article: 112.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 11/18/2014] [Indexed: 12/23/2022]
Abstract
Glycogen synthase kinase-3 (GSK3) may be the busiest kinase in most cells, with over 100 known substrates to deal with. How does GSK3 maintain control to selectively phosphorylate each substrate, and why was it evolutionarily favorable for GSK3 to assume such a large responsibility? GSK3 must be particularly adaptable for incorporating new substrates into its repertoire, and we discuss the distinct properties of GSK3 that may contribute to its capacity to fulfill its roles in multiple signaling pathways. The mechanisms regulating GSK3 (predominantly post-translational modifications, substrate priming, cellular trafficking, protein complexes) have been reviewed previously, so here we focus on newly identified complexities in these mechanisms, how each of these regulatory mechanism contributes to the ability of GSK3 to select which substrates to phosphorylate, and how these mechanisms may have contributed to its adaptability as new substrates evolved. The current understanding of the mechanisms regulating GSK3 is reviewed, as are emerging topics in the actions of GSK3, particularly its interactions with receptors and receptor-coupled signal transduction events, and differential actions and regulation of the two GSK3 isoforms, GSK3α and GSK3β. Another remarkable characteristic of GSK3 is its involvement in many prevalent disorders, including psychiatric and neurological diseases, inflammatory diseases, cancer, and others. We address the feasibility of targeting GSK3 therapeutically, and provide an update of its involvement in the etiology and treatment of several disorders.
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Affiliation(s)
- Eleonore Beurel
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, United States; Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Steven F Grieco
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, United States; Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Richard S Jope
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, United States; Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, United States.
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81
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Lipina TV, Roder JC. Disrupted-In-Schizophrenia-1 (DISC1) interactome and mental disorders: impact of mouse models. Neurosci Biobehav Rev 2014; 45:271-94. [PMID: 25016072 DOI: 10.1016/j.neubiorev.2014.07.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 06/09/2014] [Accepted: 07/01/2014] [Indexed: 02/06/2023]
Abstract
Disrupted-In-Schizophrenia-1 (DISC1) has captured much attention because it predisposes individuals to a wide range of mental illnesses. Notably, a number of genes encoding proteins interacting with DISC1 are also considered to be relevant risk factors of mental disorders. We reasoned that the understanding of DISC1-associated mental disorders in the context of network principles will help to address fundamental properties of DISC1 as a disease gene. Systematic integration of behavioural phenotypes of genetic mouse lines carrying perturbation in DISC1 interacting proteins would contribute to a better resolution of neurobiological mechanisms of mental disorders associated with the impaired DISC1 interactome and lead to a development of network medicine. This review also makes specific recommendations of how to assess DISC1 associated mental disorders in mouse models and discuss future directions.
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Affiliation(s)
- Tatiana V Lipina
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.
| | - John C Roder
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada; Departments of Medical Biophysics and Molecular & Medical Genetics, University of Toronto, Toronto, Ontario, Canada
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82
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Siebel AM, Vianna MR, Bonan CD. Pharmacological and toxicological effects of lithium in zebrafish. ACS Chem Neurosci 2014; 5:468-76. [PMID: 24798681 DOI: 10.1021/cn500046h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Lithium is the paradigmatic treatment for bipolar disorder and has been widely used as a mood stabilizer due to its ability to reduce manic and depressive episodes, efficiency in long-term mood stabilization, and effectiveness in reducing suicide risks. Despite many decades of clinical use, the molecular targets of lithium are not completely understood. However, they are credited at least partially to glycogen synthase kinase 3 (GSK3) inhibition, mimicking and exacerbating Wnt signaling pathway activation. There has been a great effort to characterize lithium cellular and system actions, aiming to improve treatment effectiveness and reduce side effects. There is also a growing concern about lithium's impact as an environmental contaminant and its effects on development. In this scenario, zebrafish is a helpful model organism to gather more information on lithium's effects in different systems and developmental stages. The rapid external development, initial transparency, capacity to easily absorb substances, and little space required for maintenance and experimentation, among other advantages, make zebrafish a suitable model. In addition, zebrafish has been established as an effective model organism in behavioral and neuropharmacological studies, reacting to a wide range of psychoactive drugs, including lithium. So far only a limited number of studies evaluated the toxicological impact of lithium on zebrafish development and demonstrated morphological, physiological, and behavioral effects that may be informative regarding human findings. Further studies dedicated to characterize and evaluate the underlying mechanisms of the toxic effects and the potential impact of exposure on developing and adult individuals are necessary to establish safe clinical management guidelines for women with bipolar disorder of childbearing age and safety disposal guidelines for pharmaceutical neuroactive compounds.
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Affiliation(s)
- Anna M. Siebel
- Laboratório
de Neuroquímica e Psicofarmacologia, Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av.
Ipiranga 6681, 90619-900, Porto Alegre, RS Brazil
- ZebLab,
Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga 6681, 90619-900, Porto Alegre, RS Brazil
| | - Monica R. Vianna
- ZebLab,
Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga 6681, 90619-900, Porto Alegre, RS Brazil
- Laboratório
de Biologia e Desenvolvimento do Sistema Nervoso, Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av.
Ipiranga 6681, Prédio 12 D, sala 301, 90619-900, Porto Alegre, RS Brazil
| | - Carla D. Bonan
- Laboratório
de Neuroquímica e Psicofarmacologia, Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av.
Ipiranga 6681, 90619-900, Porto Alegre, RS Brazil
- ZebLab,
Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga 6681, 90619-900, Porto Alegre, RS Brazil
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83
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Stamos JL, Chu MLH, Enos MD, Shah N, Weis WI. Structural basis of GSK-3 inhibition by N-terminal phosphorylation and by the Wnt receptor LRP6. eLife 2014; 3:e01998. [PMID: 24642411 PMCID: PMC3953950 DOI: 10.7554/elife.01998] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Glycogen synthase kinase-3 (GSK-3) is a key regulator of many cellular signaling pathways. Unlike most kinases, GSK-3 is controlled by inhibition rather than by specific activation. In the insulin and several other signaling pathways, phosphorylation of a serine present in a conserved sequence near the amino terminus of GSK-3 generates an auto-inhibitory peptide. In contrast, Wnt/β-catenin signal transduction requires phosphorylation of Ser/Pro rich sequences present in the Wnt co-receptors LRP5/6, and these motifs inhibit GSK-3 activity. We present crystal structures of GSK-3 bound to its phosphorylated N-terminus and to two of the phosphorylated LRP6 motifs. A conserved loop unique to GSK-3 undergoes a dramatic conformational change that clamps the bound pseudo-substrate peptides, and reveals the mechanism of primed substrate recognition. The structures rationalize target sequence preferences and suggest avenues for the design of inhibitors selective for a subset of pathways regulated by GSK-3. DOI: http://dx.doi.org/10.7554/eLife.01998.001.
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Affiliation(s)
- Jennifer L Stamos
- Department of Structural Biology, Stanford University, Stanford, United States
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84
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Chakraborty A, Latapy C, Xu J, Snyder SH, Beaulieu JM. Inositol hexakisphosphate kinase-1 regulates behavioral responses via GSK3 signaling pathways. Mol Psychiatry 2014; 19:284-93. [PMID: 23439485 DOI: 10.1038/mp.2013.21] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Revised: 12/21/2012] [Accepted: 01/02/2013] [Indexed: 02/08/2023]
Abstract
Glycogen synthase kinase 3 (GSK3), a prominent enzyme in carbohydrate metabolism, also has a major role in brain function. It is physiologically regulated by the kinase Akt, which phosphorylates GSK3 to inhibit catalytic activity. Inositol hexakisphosphate-1 (IP6K1) generates the inositol pyrophosphate diphosphoinositol pentakisphosphate (IP7), which physiologically inhibits Akt leading to enhanced GSK3 activity. We report that IP6K1 binds and stimulates GSK3 enzymatic activity in a non-catalytic fashion. Physiological relevance is evident in the inhibition of GSK3 activity in the brains of IP6K1-deleted mice. Behavioral alterations of IP6K1 knockout mice resemble those of GSK3 mutants. Accordingly, modulation of IP6K1-GSK3β interaction may exert beneficial effects in psychiatric disorders involving GSK3.
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Affiliation(s)
- A Chakraborty
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - C Latapy
- Department of Psychiatry and Neurosciences, Université Laval, Quebec, QC, Canada
| | - J Xu
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - S H Snyder
- 1] The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA [2] Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA [3] Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - J-M Beaulieu
- Department of Psychiatry and Neurosciences, Université Laval, Quebec, QC, Canada
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85
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Koshimizu H, Takao K, Matozaki T, Ohnishi H, Miyakawa T. Comprehensive behavioral analysis of cluster of differentiation 47 knockout mice. PLoS One 2014; 9:e89584. [PMID: 24586890 PMCID: PMC3933641 DOI: 10.1371/journal.pone.0089584] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 01/21/2014] [Indexed: 11/19/2022] Open
Abstract
Cluster of differentiation 47 (CD47) is a member of the immunoglobulin superfamily which functions as a ligand for the extracellular region of signal regulatory protein α (SIRPα), a protein which is abundantly expressed in the brain. Previous studies, including ours, have demonstrated that both CD47 and SIRPα fulfill various functions in the central nervous system (CNS), such as the modulation of synaptic transmission and neuronal cell survival. We previously reported that CD47 is involved in the regulation of depression-like behavior of mice in the forced swim test through its modulation of tyrosine phosphorylation of SIRPα. However, other potential behavioral functions of CD47 remain largely unknown. In this study, in an effort to further investigate functional roles of CD47 in the CNS, CD47 knockout (KO) mice and their wild-type littermates were subjected to a battery of behavioral tests. CD47 KO mice displayed decreased prepulse inhibition, while the startle response did not differ between genotypes. The mutants exhibited slightly but significantly decreased sociability and social novelty preference in Crawley's three-chamber social approach test, whereas in social interaction tests in which experimental and stimulus mice have direct contact with each other in a freely moving setting in a novel environment or home cage, there were no significant differences between the genotypes. While previous studies suggested that CD47 regulates fear memory in the inhibitory avoidance test in rodents, our CD47 KO mice exhibited normal fear and spatial memory in the fear conditioning and the Barnes maze tests, respectively. These findings suggest that CD47 is potentially involved in the regulation of sensorimotor gating and social behavior in mice.
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Affiliation(s)
- Hisatsugu Koshimizu
- Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, Kawaguchi, Japan
| | - Keizo Takao
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, Kawaguchi, Japan
- Section of Behavior Patterns, Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Japan
- Genetic Engineering and Functional Genomics Group, Frontier Technology Center, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Takashi Matozaki
- Laboratory of Biosignal Sciences, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroshi Ohnishi
- Laboratory of Biosignal Sciences, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
- Department of Laboratory Sciences, Gunma University Graduate School of Health Sciences, Maebashi, Japan
- * E-mail: (HO); (TM)
| | - Tsuyoshi Miyakawa
- Division of Systems Medical Science, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, Kawaguchi, Japan
- Section of Behavior Patterns, Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Japan
- Genetic Engineering and Functional Genomics Group, Frontier Technology Center, Kyoto University Graduate School of Medicine, Kyoto, Japan
- * E-mail: (HO); (TM)
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86
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Medina M, Avila J. Understanding the relationship between GSK-3 and Alzheimer’s disease: a focus on how GSK-3 can modulate synaptic plasticity processes. Expert Rev Neurother 2014; 13:495-503. [DOI: 10.1586/ern.13.39] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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87
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King MK, Pardo M, Cheng Y, Downey K, Jope RS, Beurel E. Glycogen synthase kinase-3 inhibitors: Rescuers of cognitive impairments. Pharmacol Ther 2014; 141:1-12. [PMID: 23916593 PMCID: PMC3867580 DOI: 10.1016/j.pharmthera.2013.07.010] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Accepted: 07/18/2013] [Indexed: 01/02/2023]
Abstract
Impairment of cognitive processes is a devastating outcome of many diseases, injuries, and drugs affecting the central nervous system (CNS). Most often, very little can be done by available therapeutic interventions to improve cognitive functions. Here we review evidence that inhibition of glycogen synthase kinase-3 (GSK3) ameliorates cognitive deficits in a wide variety of animal models of CNS diseases, including Alzheimer's disease, Fragile X syndrome, Down syndrome, Parkinson's disease, spinocerebellar ataxia type 1, traumatic brain injury, and others. GSK3 inhibitors also improve cognition following impairments caused by therapeutic interventions, such as cranial irradiation for brain tumors. These findings demonstrate that GSK3 inhibitors are able to ameliorate cognitive impairments caused by a diverse array of diseases, injury, and treatments. The improvements in impaired cognition instilled by administration of GSK3 inhibitors appear to involve a variety of different mechanisms, such as supporting long-term potentiation and diminishing long-term depression, promotion of neurogenesis, reduction of inflammation, and increasing a number of neuroprotective mechanisms. The potential for GSK3 inhibitors to repair cognitive deficits associated with many conditions warrants further investigation of their potential for therapeutic interventions, particularly considering the current dearth of treatments available to reduce loss of cognitive functions.
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Affiliation(s)
- Margaret K King
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Marta Pardo
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Yuyan Cheng
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Kimberlee Downey
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Richard S Jope
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Eléonore Beurel
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.
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88
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Beurel E. Regulation of inflammation and T cells by glycogen synthase kinase-3: links to mood disorders. Neuroimmunomodulation 2014; 21:140-4. [PMID: 24557047 PMCID: PMC4136426 DOI: 10.1159/000356550] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Accumulative evidence shows a role of the immune system in susceptibility to depression. Proinflammatory cytokines have been shown to be involved in the induction of depressive behavior both in humans and mice, opening a new avenue of therapeutic strategy. Because glycogen synthase kinase-3 (GSK3) was recently identified to be controlling the production of proinflammatory cytokines, and GSK3 has been shown to be implicated in mood disorders for many years, it has been proposed that the proinflammatory action of GSK3 could be responsible for the increased susceptibility to depressive behavior. Moreover, besides regulating cytokines, GSK3 also promotes differentiation of proinflammatory subtypes of Th cells, which are sufficient to induce depressive behavior in mice. Although the clear involvement of the immune system during depressive behavior still needs to be firmly demonstrated, there is growing evidence for the involvement of inflammation in the induction of depressive behavior.
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Affiliation(s)
- Eleonore Beurel
- University of Miami, Departments of Psychiatry and Biochemistry, 1011 NW 15th Street, Gautier room 415, Miami, FL 33136, phone: 305-243-0263
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89
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Medina M, Avila J. New insights into the role of glycogen synthase kinase-3 in Alzheimer's disease. Expert Opin Ther Targets 2013; 18:69-77. [DOI: 10.1517/14728222.2013.843670] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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90
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McCubrey JA, Davis NM, Abrams SL, Montalto G, Cervello M, Basecke J, Libra M, Nicoletti F, Cocco L, Martelli AM, Steelman LS. Diverse roles of GSK-3: tumor promoter-tumor suppressor, target in cancer therapy. Adv Biol Regul 2013; 54:176-96. [PMID: 24169510 DOI: 10.1016/j.jbior.2013.09.013] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Revised: 09/11/2013] [Accepted: 09/12/2013] [Indexed: 12/22/2022]
Affiliation(s)
- James A McCubrey
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, Greenville, NC, USA.
| | - Nicole M Davis
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, Greenville, NC, USA
| | - Stephen L Abrams
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, Greenville, NC, USA
| | - Giuseppe Montalto
- Biomedical Department of Internal Medicine and Specialties, University of Palermo, Palermo, Italy; Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Palermo, Italy
| | - Melchiorre Cervello
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Palermo, Italy
| | - Jorg Basecke
- Department of Medicine, University of Göttingen, Göttingen, Germany; Sanct-Josef-Hospital Cloppenburg, Department of Hematology and Oncology, Cloppenburg, Germany
| | - Massimo Libra
- Department of Bio-Medical Sciences, University of Catania, Catania, Italy
| | | | - Lucio Cocco
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
| | - Alberto M Martelli
- Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy; Institute of Molecular Genetics, National Research Council-IOR, Bologna, Italy
| | - Linda S Steelman
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, Greenville, NC, USA
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91
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Glycogen synthase kinase-3β haploinsufficiency lengthens the circadian locomotor activity period in mice. Behav Brain Res 2013; 253:262-5. [PMID: 23919927 DOI: 10.1016/j.bbr.2013.08.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 07/29/2013] [Accepted: 08/01/2013] [Indexed: 11/21/2022]
Abstract
The mood stabiliser drug lithium has been reported to impact circadian rhythms in vertebrates. Among several putative therapeutic molecular targets, direct inhibition of glycogen synthase kinase-3 beta (GSK3β) by lithium has been proposed to underlie its effects on circadian physiology. Here we study the effect of GSK3β haploinsufficiency on the circadian locomotor activity in mice during a free-running period in comparison to wildtype littermates (WT). Mice were housed individually to record their circadian wheel running activity and were entrained to a 12h light/12h dark cycle for 14 days and then placed under constant darkness for 14 days to allow free-running. During the free-running phase, the circadian locomotor activity period of GSK3β(+/-) was significantly lengthened (23.83±0.05h) when compared to the WT mice (23.54±0.10h; p=0.0374). No significant difference in locomotor activity was observed. Knowing that GSK3β interacts with most of the core clock components, these data suggest that GSK3β acts as a critical intrinsic regulator of the circadian clock and plays an important role in regulating its period in response to lithium treatment.
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92
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Cole AR. Glycogen synthase kinase 3 substrates in mood disorders and schizophrenia. FEBS J 2013; 280:5213-27. [DOI: 10.1111/febs.12407] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 06/12/2013] [Accepted: 06/13/2013] [Indexed: 12/13/2022]
Affiliation(s)
- Adam R. Cole
- Neurosignalling Group; Garvan Institute of Medical Research; Sydney Australia
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93
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Glycogen synthase kinase-3beta affects size of dentate gyrus and species-typical behavioral tasks in transgenic and knockout mice. Behav Brain Res 2013; 248:46-50. [DOI: 10.1016/j.bbr.2013.03.045] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Revised: 03/20/2013] [Accepted: 03/28/2013] [Indexed: 12/20/2022]
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94
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Avrahami L, Licht-Murava A, Eisenstein M, Eldar-Finkelman H. GSK-3 inhibition: Achieving moderate efficacy with high selectivity. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2013; 1834:1410-4. [DOI: 10.1016/j.bbapap.2013.01.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Accepted: 01/15/2013] [Indexed: 02/06/2023]
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95
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Multifaceted roles of GSK-3 and Wnt/β-catenin in hematopoiesis and leukemogenesis: opportunities for therapeutic intervention. Leukemia 2013; 28:15-33. [PMID: 23778311 PMCID: PMC3887408 DOI: 10.1038/leu.2013.184] [Citation(s) in RCA: 192] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 06/08/2013] [Accepted: 06/11/2013] [Indexed: 02/08/2023]
Abstract
Glycogen synthase kinase-3 (GSK-3) is well documented to participate in a complex array of critical cellular processes. It was initially identified in rat skeletal muscle as a serine/threonine kinase that phosphorylated and inactivated glycogen synthase. This versatile protein is involved in numerous signaling pathways that influence metabolism, embryogenesis, differentiation, migration, cell cycle progression and survival. Recently, GSK-3 has been implicated in leukemia stem cell pathophysiology and may be an appropriate target for its eradication. In this review, we will discuss the roles that GSK-3 plays in hematopoiesis and leukemogenesis as how this pivotal kinase can interact with multiple signaling pathways such as: Wnt/β-catenin, phosphoinositide 3-kinase (PI3K)/phosphatase and tensin homolog (PTEN)/Akt/mammalian target of rapamycin (mTOR), Ras/Raf/MEK/extracellular signal-regulated kinase (ERK), Notch and others. Moreover, we will discuss how targeting GSK-3 and these other pathways can improve leukemia therapy and may overcome therapeutic resistance. In summary, GSK-3 is a crucial regulatory kinase interacting with multiple pathways to control various physiological processes, as well as leukemia stem cells, leukemia progression and therapeutic resistance. GSK-3 and Wnt are clearly intriguing therapeutic targets.
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96
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van Eede MC, Scholz J, Chakravarty MM, Henkelman RM, Lerch JP. Mapping registration sensitivity in MR mouse brain images. Neuroimage 2013; 82:226-36. [PMID: 23756204 DOI: 10.1016/j.neuroimage.2013.06.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 05/28/2013] [Accepted: 06/01/2013] [Indexed: 01/15/2023] Open
Abstract
Nonlinear registration algorithms provide a way to estimate structural (brain) differences based on magnetic resonance images. Their ability to align images of different individuals and across modalities has been well-researched, but the bounds of their sensitivity with respect to the recovery of salient morphological differences between groups are unclear. Here we develop a novel approach to simulate deformations on MR brain images to evaluate the ability of two registration algorithms to extract structural differences corresponding to biologically plausible atrophy and expansion. We show that at a neuroanatomical level registration accuracy is influenced by the size and compactness of structures, but do so differently depending on how much change is simulated. The size of structures has a small influence on the recovered accuracy. There is a trend for larger structures to be recovered more accurately, which becomes only significant as the amount of simulated change is large. More compact structures can be recovered more accurately regardless of the amount of simulated change. Both tested algorithms underestimate the full extent of the simulated atrophy and expansion. Finally we show that when multiple comparisons are corrected for at a voxelwise level, a very low rate of false positives is obtained. More interesting is that true positive rates average around 40%, indicating that the simulated changes are not fully recovered. Simulation experiments were run using two fundamentally different registration algorithms and we identified the same results, suggesting that our findings are generalizable across different classes of nonlinear registration algorithms.
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Affiliation(s)
- Matthijs C van Eede
- Mouse Imaging Centre, The Hospital for Sick Children, Toronto, Ontario, Canada.
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97
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Maurin H, Lechat B, Dewachter I, Ris L, Louis JV, Borghgraef P, Devijver H, Jaworski T, Van Leuven F. Neurological characterization of mice deficient in GSK3α highlight pleiotropic physiological functions in cognition and pathological activity as Tau kinase. Mol Brain 2013; 6:27. [PMID: 23705847 PMCID: PMC3671145 DOI: 10.1186/1756-6606-6-27] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Accepted: 05/22/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND GSK3β is involved in a wide range of physiological functions, and is presumed to act in the pathogenesis of neurological diseases, from bipolar disorder to Alzheimer's disease (AD). In contrast, the GSK3α isozyme remained largely ignored with respect to both aspects. RESULTS We generated and characterized two mouse strains with neuron-specific or with total GSK3α deficiency. Behavioral and electrophysiological analysis demonstrated the physiological importance of neuronal GSK3α, with GSK3β not compensating for impaired cognition and reduced LTP. Interestingly, the passive inhibitory avoidance task proved to modulate the phosphorylation status of both GSK3 isozymes in wild-type mice, further implying both to function in cognition. Moreover, GSK3α contributed to the neuronal architecture of the hippocampal CA1 sub-region that is most vulnerable in AD. Consequently, practically all parameters and characteristics indicated that both GSK3 isoforms were regulated independently, but that they acted on the same physiological functions in learning and memory, in mobility and in behavior. CONCLUSIONS GSK3α proved to be regulated independently from GSK3β, and to exert non-redundant physiological neurological functions in general behavior and in cognition. Moreover, GSK3α contributes to the pathological phosphorylation of protein Tau.
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Affiliation(s)
- Hervé Maurin
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
| | - Benoit Lechat
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
| | - Ilse Dewachter
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
| | - Laurence Ris
- Department Neurosciences, University Mons-Hainaut, B-7000, Mons, Belgium
| | - Justin V Louis
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
| | - Peter Borghgraef
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
| | - Herman Devijver
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
| | - Tomasz Jaworski
- Present address: Nencki Institute Experimental Biology, 3 Pasteur Street, 02-093, Warsaw, Poland
| | - Fred Van Leuven
- Experimental Genetics Group - LEGTEGG, Department Human Genetics, KULeuven, B-3000, Leuven, Belgium
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98
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Singh KK. An emerging role for Wnt and GSK3 signaling pathways in schizophrenia. Clin Genet 2013; 83:511-7. [PMID: 23379509 DOI: 10.1111/cge.12111] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 01/21/2013] [Accepted: 01/21/2013] [Indexed: 01/04/2023]
Abstract
Schizophrenia is a disabling illness with limited treatment options. The underlying pathophysiology remains unknown, partially due to its heterogeneous nature, and a lack of understanding of the biological functions of genetic risk factors. Several signaling pathways have been implicated, however, with the varying degrees of support. In this article, I will focus on the converging evidence supporting a prominent role for Wnt and glycogen synthase kinase 3 (GSK3) signaling in the biological bases of schizophrenia. This includes current pharmacological therapies that target GSK3, animal model and cell-based studies, and recent human genetic findings that implicate Wnt and GSK3 signaling.
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Affiliation(s)
- K K Singh
- Department of Biochemistry and Biomedical Sciences, Stem Cell and Cancer Research Institute, McMaster University, Hamilton, Ontario, Canada.
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99
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Mines MA. Hyperactivity: glycogen synthase kinase-3 as a therapeutic target. Eur J Pharmacol 2013; 708:56-9. [PMID: 23500205 DOI: 10.1016/j.ejphar.2013.02.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 02/15/2013] [Accepted: 02/24/2013] [Indexed: 11/19/2022]
Abstract
The diagnosis of hyperactivity-associated disorders has increased within the past few years. The prevalence of hyperactivity-associated disorders is indicative of the need to more fully understand the underlying causes and to develop improved therapeutic interventions. There is increasing evidence that glycogen synthase kinase-3 (GSK3) mediates locomotor hyperactivity in a number of animal models, and therefore may be a potential target for therapeutic intervention in hyperactivity-associated behaviors. In this review, we discuss 1) the effect of manipulations of GSK3 in the absence of drugs and disorders on locomotor activity, 2) the role of GSK3 in drug-induced hyperactivity in rodents, and 3) regulation of locomotor activity by GSK3 in transgenic mouse models related to specific disorders. These studies link GSK3 regulation and activity to hyperactivity-associated behaviors and disease pathologies.
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Affiliation(s)
- Marjelo A Mines
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA.
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100
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Abstract
The Wnt/β-catenin pathway is highly regulated to insure the correct temporal and spatial activation of its target genes. In the absence of a Wnt stimulus, the transcriptional coactivator β-catenin is degraded by a multiprotein "destruction complex" that includes the tumor suppressors Axin and adenomatous polyposis coli (APC), the Ser/Thr kinases GSK-3 and CK1, protein phosphatase 2A (PP2A), and the E3-ubiquitin ligase β-TrCP. The complex generates a β-TrCP recognition site by phosphorylation of a conserved Ser/Thr-rich sequence near the β-catenin amino terminus, a process that requires scaffolding of the kinases and β-catenin by Axin. Ubiquitinated β-catenin is degraded by the proteasome. The molecular mechanisms that underlie several aspects of destruction complex function are poorly understood, particularly the role of APC. Here we review the molecular mechanisms of destruction complex function and discuss several potential roles of APC in β-catenin destruction.
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Affiliation(s)
- Jennifer L Stamos
- Departments of Structural Biology and Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA
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