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Wang L, Kumar R, Winblad B, Pavlov PF. Structure-based discovery of small molecule inhibitors of FKBP51-Hsp90 protein-protein interaction. Eur J Med Chem 2024; 270:116356. [PMID: 38579621 DOI: 10.1016/j.ejmech.2024.116356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/22/2024] [Accepted: 03/24/2024] [Indexed: 04/07/2024]
Abstract
The heat shock protein 90 kDa (Hsp90) molecular chaperone machinery is responsible for the folding and activation of hundreds of important clients such as kinases, steroid hormone receptors, transcription factors, etc. This process is dynamically regulated in an ATP-dependent manner by Hsp90 co-chaperones including a group of tetratricopeptide (TPR) motif proteins that bind to the C-terminus of Hsp90. Among these TPR containing co-chaperones, FK506-binding protein 51 kDa (FKBP51) is reported to play an important role in stress-related pathologies, psychiatric disorders, Alzheimer's disease, and cancer, making FKBP51-Hsp90 interaction a potential therapeutic target. In this study, we report identification of potent and selective inhibitors of FKBP51-Hsp90 protein-protein interaction using a structure-based virtual screening approach. Upon in vitro evaluation, the identified hits show a considerable degree of selectivity towards FKBP51 over other TPR proteins, particularly for highly homologous FKBP52. Tyr355 of FKBP51 emerged as an important contributor to inhibitor's specificity. Additionally, we demonstrate the impact of these inhibitors on cellular energy metabolism, and neurite outgrowth, which are subjects of FKBP51 regulation. Overall, the results from this study highlight a novel pharmacological approach towards regulation of FKBP51 function and more generally, Hsp90 function via its interaction with TPR co-chaperones.
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Affiliation(s)
- Lisha Wang
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institutet, 17164, Solna, Sweden.
| | - Rajnish Kumar
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institutet, 17164, Solna, Sweden; Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (BHU), 221005, Varanasi, India.
| | - Bengt Winblad
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institutet, 17164, Solna, Sweden; Theme Inflammation and Aging, Karolinska University Hospital, 14186, Huddinge, Sweden
| | - Pavel F Pavlov
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institutet, 17164, Solna, Sweden
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2
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Williams KE, Zou Y, Qiu B, Kono T, Guo C, Garcia D, Chen H, Graves T, Lai Z, Evans-Molina C, Ma YY, Liangpunsakul S, Yong W, Liang T. Sex-Specific Impact of Fkbp5 on Hippocampal Response to Acute Alcohol Injection: Involvement in Alterations of Metabolism-Related Pathways. Cells 2023; 13:89. [PMID: 38201293 PMCID: PMC10778370 DOI: 10.3390/cells13010089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
High levels of alcohol intake alter brain gene expression and can produce long-lasting effects. FK506-binding protein 51 (FKBP51) encoded by Fkbp5 is a physical and cellular stress response gene and has been associated with alcohol consumption and withdrawal severity. Fkbp5 has been previously linked to neurite outgrowth and hippocampal morphology, sex differences in stress response, and epigenetic modification. Presently, primary cultured Fkbp5 KO and WT mouse neurons were examined for neurite outgrowth and mitochondrial signal with and without alcohol. We found neurite specification differences between KO and WT; particularly, mesh-like morphology was observed after alcohol treatment and confirmed higher MitoTracker signal in cultured neurons of Fkbp5 KO compared to WT at both naive and alcohol-treated conditions. Brain regions that express FKBP51 protein were identified, and hippocampus was confirmed to possess a high level of expression. RNA-seq profiling was performed using the hippocampus of naïve or alcohol-injected (2 mg EtOH/Kg) male and female Fkbp5 KO and WT mice. Differentially expressed genes (DEGs) were identified between Fkbp5 KO and WT at baseline and following alcohol treatment, with female comparisons possessing a higher number of DEGs than male comparisons. Pathway analysis suggested that genes affecting calcium signaling, lipid metabolism, and axon guidance were differentially expressed at naïve condition between KO and WT. Alcohol treatment significantly affected pathways and enzymes involved in biosynthesis (Keto, serine, and glycine) and signaling (dopamine and insulin receptor), and neuroprotective role. Functions related to cell morphology, cell-to-cell signaling, lipid metabolism, injury response, and post-translational modification were significantly altered due to alcohol. In summary, Fkbp5 plays a critical role in the response to acute alcohol treatment by altering metabolism and signaling-related genes.
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Affiliation(s)
- Kent E. Williams
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (K.E.W.); (T.G.); (S.L.)
| | - Yi Zou
- Greehey Children’s Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (Y.Z.); (D.G.); (Z.L.)
| | - Bin Qiu
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT 06520, USA;
| | - Tatsuyoshi Kono
- Diabetes Research Center, Division of Endocrinology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (T.K.); (C.E.-M.)
| | - Changyong Guo
- Department Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (C.G.); (Y.-Y.M.)
| | - Dawn Garcia
- Greehey Children’s Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (Y.Z.); (D.G.); (Z.L.)
| | - Hanying Chen
- Department Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Tamara Graves
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (K.E.W.); (T.G.); (S.L.)
| | - Zhao Lai
- Greehey Children’s Cancer Research Institute, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA; (Y.Z.); (D.G.); (Z.L.)
| | - Carmella Evans-Molina
- Diabetes Research Center, Division of Endocrinology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (T.K.); (C.E.-M.)
| | - Yao-Ying Ma
- Department Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (C.G.); (Y.-Y.M.)
| | - Suthat Liangpunsakul
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (K.E.W.); (T.G.); (S.L.)
- Roudebush Veterans Administration Medical Center, Indianapolis, IN 46202, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Weidong Yong
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Tiebing Liang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University, Indianapolis, IN 46202, USA; (K.E.W.); (T.G.); (S.L.)
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3
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Soto OB, Ramirez CS, Koyani R, Rodriguez-Palomares IA, Dirmeyer JR, Grajeda B, Roy S, Cox MB. Structure and function of the TPR-domain immunophilins FKBP51 and FKBP52 in normal physiology and disease. J Cell Biochem 2023:10.1002/jcb.30406. [PMID: 37087733 PMCID: PMC10903107 DOI: 10.1002/jcb.30406] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/22/2023] [Accepted: 04/04/2023] [Indexed: 04/24/2023]
Abstract
Coordinated cochaperone interactions with Hsp90 and associated client proteins are crucial for a multitude of signaling pathways in normal physiology, as well as in disease settings. Research on the molecular mechanisms regulated by the Hsp90 multiprotein complexes has demonstrated increasingly diverse roles for cochaperones throughout Hsp90-regulated signaling pathways. Thus, the Hsp90-associated cochaperones have emerged as attractive therapeutic targets in a wide variety of disease settings. The tetratricopeptide repeat (TPR)-domain immunophilins FKBP51 and FKBP52 are of special interest among the Hsp90-associated cochaperones given their Hsp90 client protein specificity, ubiquitous expression across tissues, and their increasingly important roles in neuronal signaling, intracellular calcium release, peptide bond isomerization, viral replication, steroid hormone receptor function, and cell proliferation to name a few. This review summarizes the current knowledge of the structure and molecular functions of TPR-domain immunophilins FKBP51 and FKBP52, recent findings implicating these immunophilins in disease, and the therapeutic potential of targeting FKBP51 and FKBP52 for the treatment of disease.
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Affiliation(s)
- Olga B. Soto
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Christian S. Ramirez
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Rina Koyani
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Isela A. Rodriguez-Palomares
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Jessica R. Dirmeyer
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Brian Grajeda
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Sourav Roy
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Marc B. Cox
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, El Paso, TX 79968
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4
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Zgajnar N, Lagadari M, Gallo LI, Piwien-Pilipuk G, Galigniana MD. Mitochondrial-nuclear communication by FKBP51 shuttling. J Cell Biochem 2023. [PMID: 36815347 DOI: 10.1002/jcb.30386] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 01/24/2023] [Accepted: 02/03/2023] [Indexed: 02/24/2023]
Abstract
The HSP90-binding immunophilin FKBP51 is a soluble protein that shows high homology and structural similarity with FKBP52. Both immunophilins are functionally divergent and often show antagonistic actions. They were first described in steroid receptor complexes, their exchange in the complex being the earliest known event in steroid receptor activation upon ligand binding. In addition to steroid-related events, several pleiotropic actions of FKBP51 have emerged during the last years, ranging from cell differentiation and apoptosis to metabolic and psychiatric disorders. On the other hand, mitochondria play vital cellular roles in maintaining energy homeostasis, responding to stress conditions, and affecting cell cycle regulation, calcium signaling, redox homeostasis, and so forth. This is achieved by proteins that are encoded in both the nuclear genome and mitochondrial genes. This implies active nuclear-mitochondrial communication to maintain cell homeostasis. Such communication involves factors that regulate nuclear and mitochondrial gene expression affecting the synthesis and recruitment of mitochondrial and nonmitochondrial proteins, and/or changes in the functional state of the mitochondria itself, which enable mitochondria to recover from stress. FKBP51 has emerged as a serious candidate to participate in these regulatory roles since it has been unexpectedly found in mitochondria showing antiapoptotic effects. Such localization involves the tetratricopeptide repeats domains of the immunophilin and not its intrinsic enzymatic activity of peptidylprolyl-isomerase. Importantly, FKBP51 abandons the mitochondria and accumulates in the nucleus upon cell differentiation or during the onset of stress. Nuclear FKBP51 enhances the enzymatic activity of telomerase. The mitochondrial-nuclear trafficking is reversible, and certain situations such as viral infections promote the opposite trafficking, that is, FKBP51 abandons the nucleus and accumulates in mitochondria. In this article, we review the latest findings related to the mitochondrial-nuclear communication mediated by FKBP51 and speculate about the possible implications of this phenomenon.
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Affiliation(s)
- Nadia Zgajnar
- Instituto de Biología y Medicina Experimental (IBYME)/CONICET, Buenos Aires, Argentina
| | - Mariana Lagadari
- Instituto de Ciencia y Tecnología de Alimentos de Entre Ríos, Concordia, Argentina
| | - Luciana I Gallo
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFYBYNE)/CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Mario D Galigniana
- Instituto de Biología y Medicina Experimental (IBYME)/CONICET, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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5
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Ortiz NR, Guy N, Garcia YA, Sivils JC, Galigniana MD, Cox MB. Functions of the Hsp90-Binding FKBP Immunophilins. Subcell Biochem 2023; 101:41-80. [PMID: 36520303 DOI: 10.1007/978-3-031-14740-1_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The Hsp90 chaperone is known to interact with a diverse array of client proteins. However, in every case examined, Hsp90 is also accompanied by a single or several co-chaperone proteins. One class of co-chaperone contains a tetratricopeptide repeat (TPR) domain that targets the co-chaperone to the C-terminal region of Hsp90. Within this class are Hsp90-binding peptidylprolyl isomerases, most of which belong to the FK506-binding protein (FKBP) family. Despite the common association of FKBP co-chaperones with Hsp90, it is abundantly clear that the client protein influences, and is often influenced by, the particular FKBP bound to Hsp90. Examples include Xap2 in aryl hydrocarbon receptor complexes and FKBP52 in steroid receptor complexes. In this chapter, we discuss the known functional roles played by FKBP co-chaperones and, where possible, relate distinctive functions to structural differences between FKBP members.
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Affiliation(s)
- Nina R Ortiz
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Naihsuan Guy
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Yenni A Garcia
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Jeffrey C Sivils
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Mario D Galigniana
- Departamento de Química Biológica/IQUIBICEN, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Biología y Medicina Experimental/CONICET, Buenos Aires, Argentina
| | - Marc B Cox
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA.
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, El Paso, TX, USA.
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6
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Galigniana NM, Ruiz MC, Piwien-Pilipuk G. FK506 binding protein 51: Its role in the adipose organ and beyond. J Cell Biochem 2022. [PMID: 36502528 DOI: 10.1002/jcb.30351] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 11/04/2022] [Accepted: 11/15/2022] [Indexed: 02/17/2024]
Abstract
There is a great body of evidence that the adipose organ plays a central role in the control not only of energy balance, but importantly, in the maintenance of metabolic homeostasis. Interest in the study of different aspects of its physiology grew in the last decades due to the pandemic of obesity and the consequences of metabolic syndrome. It was not until recently that the first evidence for the role of the high molecular weight immunophilin FK506 binding protein (FKBP) 51 in the process of adipocyte differentiation have been described. Since then, many new facets have been discovered of this stress-responsive FKBP51 as a central node for precise coordination of many cell functions, as shown for nuclear steroid receptors, autophagy, signaling pathways as Akt, p38 MAPK, and GSK3, as well as for insulin signaling and the control of glucose homeostasis. Thus, the aim of this review is to integrate and discuss the recent advances in the understanding of the many roles of FKBP51 in the adipose organ.
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Affiliation(s)
- Natalia M Galigniana
- Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
- Department of Molecular Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Marina C Ruiz
- Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
| | - Graciela Piwien-Pilipuk
- Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
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7
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Codagnone MG, Kara N, Ratsika A, Levone BR, van de Wouw M, Tan LA, Cunningham JI, Sanchez C, Cryan JF, O'Leary OF. Inhibition of FKBP51 induces stress resilience and alters hippocampal neurogenesis. Mol Psychiatry 2022; 27:4928-4938. [PMID: 36104438 PMCID: PMC9763121 DOI: 10.1038/s41380-022-01755-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 07/07/2022] [Accepted: 08/15/2022] [Indexed: 01/19/2023]
Abstract
Stress-related psychiatric disorders such as depression are among the leading causes of morbidity and mortality. Considering that many individuals fail to respond to currently available antidepressant drugs, there is a need for antidepressants with novel mechanisms. Polymorphisms in the gene encoding FK506-binding protein 51 (FKBP51), a co-chaperone of the glucocorticoid receptor, have been linked to susceptibility to stress-related psychiatric disorders. Whether this protein can be targeted for their treatment remains largely unexplored. The aim of this work was to investigate whether inhibition of FKBP51 with SAFit2, a novel selective inhibitor, promotes hippocampal neuron outgrowth and neurogenesis in vitro and stress resilience in vivo in a mouse model of chronic psychosocial stress. Primary hippocampal neuronal cultures or hippocampal neural progenitor cells (NPCs) were treated with SAFit2 and neuronal differentiation and cell proliferation were analyzed. Male C57BL/6 mice were administered SAFit2 while concurrently undergoing a chronic stress paradigm comprising of intermittent social defeat and overcrowding, and anxiety and depressive -related behaviors were evaluated. SAFit2 increased neurite outgrowth and number of branch points to a greater extent than brain derived neurotrophic factor (BDNF) in primary hippocampal neuronal cultures. SAFit2 increased hippocampal NPC neurogenesis and increased neurite complexity and length of these differentiated neurons. In vivo, chronic SAFit2 administration prevented stress-induced social avoidance, decreased anxiety in the novelty-induced hypophagia test, and prevented stress-induced anxiety in the open field but did not alter adult hippocampal neurogenesis in stressed animals. These data warrant further exploration of inhibition of FKBP51 as a strategy to treat stress-related disorders.
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Affiliation(s)
- Martin G Codagnone
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Instituto de Biología Celular y Neurociencia "de Robertis" IBCN (UBA-CONICET), Buenos Aires, Argentina
| | - Nirit Kara
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Anna Ratsika
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Brunno Rocha Levone
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | - Marcel van de Wouw
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | | | | | | | - John F Cryan
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland.
- APC Microbiome Ireland, University College Cork, Cork, Ireland.
| | - Olivia F O'Leary
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland.
- APC Microbiome Ireland, University College Cork, Cork, Ireland.
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8
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Yadav Y, Dey CS. PP2Cα positively regulates neuronal insulin signalling and aggravates neuronal insulin resistance. FEBS J 2022; 289:7561-7581. [PMID: 35810470 DOI: 10.1111/febs.16574] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/11/2022] [Accepted: 07/08/2022] [Indexed: 01/14/2023]
Abstract
PP2Cα is one of the newly identified isoforms of metal-dependent protein phosphatases (PPM). The role of this phosphatase in neuronal insulin signalling is completely unknown. In the present study, we show insulin-mediated rapid upregulation of a protein of the insulin signalling cascade, PP2Cα, in mouse N2a cells and human SH-SY5Y cells. By contrast, such PP2Cα upregulation is not observed in insulin-resistant conditions despite insulin stimulation. Here, we report that, under insulin-sensitive and insulin-resistant conditions, the translation of PP2Cα was regulated by insulin through c-Jun N-terminal kinase. PP2Cα in turn dephosphorylated a novel inhibitory site of insulin receptor substrate-1 at Ser522 and AMP-activated protein kinase, hence positively regulating neuronal insulin signalling and insulin resistance.
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Affiliation(s)
- Yamini Yadav
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, India
| | - Chinmoy Sankar Dey
- Kusuma School of Biological Sciences, Indian Institute of Technology, Delhi, India
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9
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The Scaffold Immunophilin FKBP51 Is a Phosphoprotein That Undergoes Dynamic Mitochondrial-Nuclear Shuttling. Cells 2022; 11:cells11233771. [PMID: 36497030 PMCID: PMC9739885 DOI: 10.3390/cells11233771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/14/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
The immunophilin FKBP51 forms heterocomplexes with molecular chaperones, protein-kinases, protein-phosphatases, autophagy-related factors, and transcription factors. Like most scaffold proteins, FKBP51 can use a simple tethering mechanism to favor the efficiency of interactions with partner molecules, but it can also exert more complex allosteric controls over client factors, the immunophilin itself being a putative regulation target. One of the simplest strategies for regulating pathways and subcellular localization of proteins is phosphorylation. In this study, it is shown that scaffold immunophilin FKBP51 is resolved by resolutive electrophoresis in various phosphorylated isoforms. This was evidenced by their reactivity with specific anti-phosphoamino acid antibodies and their fade-out by treatment with alkaline phosphatase. Interestingly, stress situations such as exposure to oxidants or in vivo fasting favors FKBP51 translocation from mitochondria to the nucleus. While fasting involves phosphothreonine residues, oxidative stress involves tyrosine residues. Molecular modeling predicts the existence of potential targets located at the FK1 domain of the immunophilin. Thus, oxidative stress favors FKBP51 dephosphorylation and protein degradation by the proteasome, whereas FK506 binding protects the persistence of the post-translational modification in tyrosine, leading to FKBP51 stability under oxidative conditions. Therefore, FKBP51 is revealed as a phosphoprotein that undergoes differential phosphorylations according to the stimulus.
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10
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Unravelling the neuroprotective mechanisms of carotenes in differentiated human neural cells: Biochemical and proteomic approaches. FOOD CHEMISTRY. MOLECULAR SCIENCES 2022; 4:100088. [PMID: 35415676 PMCID: PMC8991711 DOI: 10.1016/j.fochms.2022.100088] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 02/08/2022] [Accepted: 02/11/2022] [Indexed: 12/20/2022]
Abstract
Total mixed carotenes (TMC) protect differentiated human neural cells against 6-hydroxydopamine-induced toxicity. TMC elevated the antioxidant enzymes activities and suppressed generation of reactive oxygen species. TMC augmented the dopamine and tyrosine hydroxylase levels. TMC exerted differential protein expression in human neural cells.
Carotenoids, fat-soluble pigments found ubiquitously in plants and fruits, have been reported to exert significant neuroprotective effects against free radicals. However, the neuroprotective effects of total mixed carotenes complex (TMC) derived from virgin crude palm oil have not been studied extensively. Therefore, the present study was designed to establish the neuroprotective role of TMC on differentiated human neural cells against 6-hydroxydopamine (6-OHDA)-induced cytotoxicity. The human neural cells were differentiated using retinoic acid for six days. Then, the differentiated neural cells were pre-treated for 24 hr with TMC before exposure to 6-OHDA. TMC pre-treated neurons showed significant alleviation of 6-OHDA-induced cytotoxicity as evidenced by enhanced activity of the superoxide dismutase (SOD) and catalase (CAT) enzymes. Furthermore, TMC elevated the levels of intra-neuronal dopamine and tyrosine hydroxylase (TH) in differentiated neural cells. The 6-OHDA induced overexpression of α-synuclein was significantly hindered in neural cells pre-treated with TMC. In proteomic analysis, TMC altered the expression of ribosomal proteins, α/β isotypes of tubulins, protein disulphide isomerases (PDI) and heat shock proteins (HSP) in differentiated human neural cells. The natural palm phytonutrient TMC is a potent antioxidant with significant neuroprotective effects against free radical-induced oxidative stress.
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Key Words
- 6-OHDA, 6-hydroxydopamine
- 6-hydroxydopamine
- AD, Alzheimer’s disease
- BCM, beta-carotene-15,15′-monooxygenase
- CAT, catalase
- DRD2, dopamine receptor D2
- Dopamine
- ER, endoplasmic reticulum
- GO, gene ontology
- HSP, Heat shock protein
- HSPA9, Heat shock protein family A (HSP70) member 9
- HSPD1, Heat shock protein family D (HSP60) member 1
- KEGG, Kyoto Encyclopedia of Genes and Genomes
- LC-MS/MS, liquid chromatography-double mass spectrometry
- LDH, lactate dehydrogenase
- MCODE, minimal common oncology data elements
- MS, mass spectrometry
- Mixed carotene
- PD, Parkinson's disease
- PDI, protein disulphide isomerases
- PHB2, prohibitin 2
- PPI, protein–protein interaction
- RAN, Ras-related nuclear protein
- ROS, reactive oxygen species
- RPs, ribosomal proteins
- SH-SY5Y neuroblastoma cells
- SOD, superoxide dismutase
- TH, tyrosine hydroxylase
- TMC, total mixed carotene complex
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Qiu B, Zhong Z, Righter S, Xu Y, Wang J, Deng R, Wang C, Williams KE, Ma YY, Tsechpenakis G, Liang T, Yong W. FKBP51 modulates hippocampal size and function in post-translational regulation of Parkin. Cell Mol Life Sci 2022; 79:175. [PMID: 35244772 PMCID: PMC11072506 DOI: 10.1007/s00018-022-04167-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 01/20/2022] [Accepted: 01/22/2022] [Indexed: 11/29/2022]
Abstract
FK506-binding protein 51 (encoded by Fkpb51, also known as Fkbp5) has been associated with stress-related mental illness. To investigate its function, we studied the morphological consequences of Fkbp51 deletion. Artificial Intelligence-assisted morphological analysis revealed that male Fkbp51 knock-out (KO) mice possess more elongated dentate gyrus (DG) but shorter hippocampal height in coronal sections when compared to WT. Primary cultured Fkbp51 KO hippocampal neurons were shown to exhibit larger dendritic outgrowth than wild-type (WT) controls and pharmacological manipulation experiments suggest that this may occur through the regulation of microtubule-associated protein. Both in vitro primary culture and in vivo labeling support a role for FKBP51 in the regulation of microtubule-associated protein expression. Furthermore, Fkbp51 KO hippocampi exhibited decreases in βIII-tubulin, MAP2, and Tau protein levels, but a greater than 2.5-fold increase in Parkin protein. Overexpression and knock-down FKBP51 demonstrated that FKBP51 negatively regulates Parkin in a dose-dependent and ubiquitin-mediated manner. These results indicate a potential novel post-translational regulatory mechanism of Parkin by FKBP51 and the significance of their interaction on disease onset. KO has more flattened hippocampus using AI-assisted measurement Both pyramidal cell layer (PCL) of CA and granular cell layer (GCL) of DG distinguishable as two layers: deep cell layer and superficial layer. Distinct MAP2 expression between deep and superficial layer between KO and WT, Higher Parkin expression in KO brain Mechanism of FKBP51 inhibition resulting in Parkin, MAP2, Tau, and Tubulin expression differences between KO and WT mice, and resulting neurite outgrowth differences.
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Affiliation(s)
- Bin Qiu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Zhaohui Zhong
- Department of General Surgery, Peking University People's Hospital, Beijing, 100032, China
| | - Shawn Righter
- Department of Computer and Information Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA
| | - Yuxue Xu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Jun Wang
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Ran Deng
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Chao Wang
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Kent E Williams
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Yao-Ying Ma
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Gavriil Tsechpenakis
- Department of Computer and Information Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA
| | - Tiebing Liang
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
| | - Weidong Yong
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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12
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Daneri-Becerra C, Galigniana MD. The Hsp90-binding immunophilin FKBP52 enhances neurodifferentiation and neuroregeneration in murine models. Neural Regen Res 2022; 17:555-556. [PMID: 34380887 PMCID: PMC8504383 DOI: 10.4103/1673-5374.320976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Cristina Daneri-Becerra
- Instituto de Biología y Medicina Experimental/CONICET & Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mario D Galigniana
- Instituto de Biología y Medicina Experimental/CONICET & Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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13
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Analysis of the cerebellar molecular stress response led to first evidence of a role for FKBP51 in brain FKBP52 expression in mice and humans. Neurobiol Stress 2021; 15:100401. [PMID: 34632006 PMCID: PMC8488056 DOI: 10.1016/j.ynstr.2021.100401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 09/05/2021] [Accepted: 09/15/2021] [Indexed: 12/15/2022] Open
Abstract
As the cerebellar molecular stress response is understudied, we assessed protein expression levels of hypothalamic-pituitary-adrenal (HPA) axis regulators and neurostructural markers in the cerebellum of a male PTSD mouse model and of unstressed vs. stressed male FK506 binding protein 51 (Fkbp5) knockout (KO) vs. wildtype mice. We explored the translatability of our findings in the Fkbp5 KO model to the situation in humans by correlating mRNA levels of candidates with those of FKBP5 in two whole transcriptome datasets of post-mortem human cerebellum and in blood of unstressed and stressed humans. Fkbp5 deletion rescued the stress-induced loss in hippocampal, prefrontal cortical, and, possibly, also cerebellar FKBP52 expression and modulated post-stress cerebellar expression levels of the glucocorticoid receptor (GR) and possibly (trend) also of glial fibrillary acidic protein (GFAP). Accordingly, expression levels of genes encoding for these three genes correlated with those of FKBP5 in human post-mortem cerebellum, while other neurostructural markers were not related to Fkbp5 either in mouse or human cerebellum. Also, gene expression levels of the two immunophilins correlated inversely in the blood of unstressed and stressed humans. We found transient changes in FKBP52 and persistent changes in GR and GFAP in the cerebellum of PTSD-like mice. Altogether, upon elucidating the cerebellar stress response we found first evidence for a novel facet of HPA axis regulation, i.e., the ability of FKBP51 to modulate the expression of its antagonist FKBP52 in the mouse and, speculatively, also in the human brain and blood and, moreover, detected long-term single stress-induced changes in expression of cerebellar HPA axis regulators and neurostructural markers of which some might contribute to the role of the cerebellum in fear extinction.
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14
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Kusumanchi P, Liang T, Zhang T, Ross RA, Han S, Chandler K, Oshodi A, Jiang Y, Dent AL, Skill NJ, Huda N, Ma J, Yang Z, Liangpunsakul S. Stress-Responsive Gene FK506-Binding Protein 51 Mediates Alcohol-Induced Liver Injury Through the Hippo Pathway and Chemokine (C-X-C Motif) Ligand 1 Signaling. Hepatology 2021; 74:1234-1250. [PMID: 33710653 PMCID: PMC8435051 DOI: 10.1002/hep.31800] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 02/05/2021] [Accepted: 02/08/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS Chronic alcohol drinking is a major risk factor for alcohol-associated liver disease (ALD). FK506-binding protein 51 (FKBP5), a cochaperone protein, is involved in many key regulatory pathways. It is known to be involved in stress-related disorders, but there are no reports regarding its role in ALD. This present study aimed to examine the molecular mechanism of FKBP5 in ALD. APPROACH AND RESULTS We found a significant increase in hepatic FKBP5 transcripts and protein expression in patients with ALD and mice fed with chronic-plus-single binge ethanol. Loss of Fkbp5 in mice protected against alcohol-induced hepatic steatosis and inflammation. Transcriptomic analysis revealed a significant reduction of Transcriptional enhancer factor TEF-1 (TEA) domain transcription factor 1 (Tead1) and chemokine (C-X-C motif) ligand 1 (Cxcl1) mRNA in ethanol-fed Fkbp5-/- mice. Ethanol-induced Fkbp5 expression was secondary to down-regulation of methylation level at its 5' untranslated promoter region. The increase in Fkbp5 expression led to induction in transcription factor TEAD1 through Hippo signaling pathway. Fkbp5 can interact with yes-associated protein (YAP) upstream kinase, mammalian Ste20-like kinase 1 (MST1), affecting its ability to phosphorylate YAP and the inhibitory effect of hepatic YAP phosphorylation by ethanol leading to YAP nuclear translocation and TEAD1 activation. Activation of TEAD1 led to increased expression of its target, CXCL1, a chemokine-mediated neutrophil recruitment, causing hepatic inflammation and neutrophil infiltration in our mouse model. CONCLUSIONS We identified an FKBP5-YAP-TEAD1-CXCL1 axis in the pathogenesis of ALD. Loss of FKBP5 ameliorates alcohol-induced liver injury through the Hippo pathway and CXCL1 signaling, suggesting its potential role as a target for the treatment of ALD.
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Affiliation(s)
- Praveen Kusumanchi
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Tiebing Liang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Ting Zhang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Ruth Ann Ross
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Sen Han
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Kristina Chandler
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Adepeju Oshodi
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Yanchao Jiang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Alexander L Dent
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN
| | - Nicholas J Skill
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN
| | - Nazmul Huda
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Jing Ma
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Zhihong Yang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | - Suthat Liangpunsakul
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN
- Roudebush Veterans Administration Medical Center, Indianapolis, IN
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15
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Quintá HR. Intraspinal Administration of Netrin-1 Promotes Locomotor Recovery after Complete Spinal Cord Transection. J Neurotrauma 2021; 38:2084-2102. [PMID: 33599152 DOI: 10.1089/neu.2020.7571] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Complete spinal cord lesions interrupt the connection of all axonal projections with their neuronal targets below and above the lesion site. In particular, the interruption of connections with the neurons at lumbar segments after thoracic injuries impairs voluntary body control below the injury. The failure of spontaneous regrowth of transected axons across the lesion prevents the reconnection and reinnervation of the neuronal targets. At present, the only treatment in humans that has proven to promote some degree of locomotor recovery is physical therapy. The success of these strategies, however, depends greatly on the type of lesion and the level of preservation of neural tissue in the spinal cord after injury. That is the reason it is key to design strategies to promote axonal regrowth and neuronal reconnection. Here, we test the use of a developmental axon guidance molecule as a biological agent to promote axonal regrowth, axonal reconnection, and recovery of locomotor activity after spinal cord injury (SCI). This molecule, netrin-1, guides the growth of the corticospinal tract (CST) during the development of the central nervous system. To assess the potential of this molecule, we used a model of complete spinal cord transection in rats, at thoracic level 10-11. We show that in situ delivery of netrin-1 at the epicenter of the lesion: (1) promotes regrowth of CST through the lesion and prevents CST dieback, (2) promotes synaptic reconnection of regenerated motor and sensory axons, and (3) preserves the polymerization of the neurofilaments in the sciatic nerve axons. These anatomical findings correlate with a significant recovery of locomotor function. Our work identifies netrin-1 as a biological agent with the capacity to promote the functional repair and recovery of locomotor function after SCI. These findings support the use of netrin-1 as a therapeutic intervention to be tested in humans.
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Affiliation(s)
- Héctor R Quintá
- Consejo Nacional de Investigaciones Científicas y Técnicas-CONICET, Buenos Aires, Argentina
- Laboratorio de Medicina Experimental "Dr. Jorge E. Toblli," Hospital Alemán. CABA, Buenos Aires, Argentina
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16
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FKBP52 overexpression accelerates hippocampal-dependent memory impairments in a tau transgenic mouse model. NPJ Aging Mech Dis 2021; 7:9. [PMID: 33941782 PMCID: PMC8093247 DOI: 10.1038/s41514-021-00062-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 02/17/2021] [Indexed: 01/31/2023] Open
Abstract
Abnormal accumulation of hyperphosphorylated tau induces pathogenesis in neurodegenerative diseases, like Alzheimer's disease. Molecular chaperones with peptidyl-prolyl cis/trans isomerase (PPIase) activity are known to regulate these processes. Previously, in vitro studies have shown that the 52 kDa FK506-binding protein (FKBP52) interacts with tau inducing its oligomerization and fibril formation to promote toxicity. Thus, we hypothesized that increased expression of FKBP52 in the brains of tau transgenic mice would alter tau phosphorylation and neurofibrillary tangle formation ultimately leading to memory impairments. To test this, tau transgenic (rTg4510) and wild-type mice received bilateral hippocampal injections of virus overexpressing FKBP52 or GFP control. We examined hippocampal-dependent memory, synaptic plasticity, tau phosphorylation status, and neuronal health. This work revealed that rTg4510 mice overexpressing FKBP52 had impaired spatial learning, accompanied by long-term potentiation deficits and hippocampal neuronal loss, which was associated with a modest increase in total caspase 12. Together with previous studies, our findings suggest that FKBP52 may sensitize neurons to tau-mediated dysfunction via activation of a caspase-dependent pathway, contributing to memory and learning impairments.
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17
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Galigniana MD. Molecular Pharmacology of the Youngest Member of the Nuclear Receptor Family: The Mineralocorticoid Receptor. NUCLEAR RECEPTORS 2021:1-21. [DOI: 10.1007/978-3-030-78315-0_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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18
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Daneri-Becerra C, Patiño-Gaillez MG, Galigniana MD. Proof that the high molecular weight immunophilin FKBP52 mediates the in vivo neuroregenerative effect of the macrolide FK506. Biochem Pharmacol 2020; 182:114204. [PMID: 32828804 DOI: 10.1016/j.bcp.2020.114204] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/17/2020] [Accepted: 08/17/2020] [Indexed: 12/31/2022]
Abstract
The immunosuppressant drug FK506 (or tacrolimus) is a macrolide that binds selectively to immunophilins belonging to the FK506-binding protein (FKBP) subfamily, which are abundantly expressed proteins in neurons of the peripheral and central nervous systems. Interestingly, it has been reported that FK506 increases neurite outgrowth in cell cultures, implying a potential impact in putative treatments of neurodegenerative disorders and injuries of the nervous system. Nonetheless, the mechanism of action of this compound is poorly understood and remains to be elucidated, with the only certainty that its neurotrophic effect is independent of its primary immunosuppressant activity. In this study it is demonstrated that FK506 shows efficient neurotrophic action in vitro and profound effects on the recovery of locomotor activity, behavioural features, and erectile function of mice that underwent surgical spinal cord injury. The recovery of the locomotor activity was studied in knock-out mice for either immunophilin, FKBP51 or FKBP52. The experimental evidence demonstrates that the neurotrophic actions of FK506 are the consequence of its binding to FKBP52, whereas FK506 interaction with the close-related partner immunophilin FKBP51 antagonises the function of FKBP52. Importantly, our study also demonstrates that other immunophilins do not replace FKBP52. It is concluded that the final biological response is the resulting outcome of the drug binding to both immunophilins, FKBP51 and FKBP52, the latter being the one that commands the dominant neurotrophic action in vivo.
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Affiliation(s)
| | | | - Mario D Galigniana
- Instituto de Biología y Medicina Experimental (IBYME)/CONICET, Buenos Aires, Argentina; Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.
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19
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Mazaira GI, Echeverria PC, Galigniana MD. Nucleocytoplasmic shuttling of the glucocorticoid receptor is influenced by tetratricopeptide repeat-containing proteins. J Cell Sci 2020; 133:jcs238873. [PMID: 32467326 DOI: 10.1242/jcs.238873] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 04/07/2020] [Indexed: 08/31/2023] Open
Abstract
It has been demonstrated that tetratricopeptide-repeat (TPR) domain proteins regulate the subcellular localization of glucocorticoid receptor (GR). This study analyses the influence of the TPR domain of high molecular weight immunophilins in the retrograde transport and nuclear retention of GR. Overexpression of the TPR peptide prevented efficient nuclear accumulation of the GR by disrupting the formation of complexes with the dynein-associated immunophilin FKBP52 (also known as FKBP4), the adaptor transporter importin-β1 (KPNB1), the nuclear pore-associated glycoprotein Nup62 and nuclear matrix-associated structures. We also show that nuclear import of GR was impaired, whereas GR nuclear export was enhanced. Interestingly, the CRM1 (exportin-1) inhibitor leptomycin-B abolished the effects of TPR peptide overexpression, although the drug did not inhibit GR nuclear export itself. This indicates the existence of a TPR-domain-dependent mechanism for the export of nuclear proteins. The expression balance of those TPR domain proteins bound to the GR-Hsp90 complex may determine the subcellular localization and nucleocytoplasmic properties of the receptor, and thereby its pleiotropic biological properties in different tissues and cell types.
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Affiliation(s)
- Gisela I Mazaira
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
| | - Pablo C Echeverria
- Département de Biologie Cellulaire, Université de Genève, Sciences III, Genève 1211, Switzerland
| | - Mario D Galigniana
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina
- Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires 1428, Argentina
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20
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Regulation of FKBP51 and FKBP52 functions by post-translational modifications. Biochem Soc Trans 2020; 47:1815-1831. [PMID: 31754722 DOI: 10.1042/bst20190334] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/22/2019] [Accepted: 10/28/2019] [Indexed: 12/17/2022]
Abstract
FKBP51 and FKBP52 are two iconic members of the family of peptidyl-prolyl-(cis/trans)-isomerases (EC: 5.2.1.8), which comprises proteins that catalyze the cis/trans isomerization of peptidyl-prolyl peptide bonds in unfolded and partially folded polypeptide chains and native state proteins. Originally, both proteins have been studied as molecular chaperones belonging to the steroid receptor heterocomplex, where they were first discovered. In addition to their expected role in receptor folding and chaperoning, FKBP51 and FKBP52 are also involved in many biological processes, such as signal transduction, transcriptional regulation, protein transport, cancer development, and cell differentiation, just to mention a few examples. Recent studies have revealed that both proteins are subject of post-translational modifications such as phosphorylation, SUMOlyation, and acetylation. In this work, we summarize recent advances in the study of these immunophilins portraying them as scaffolding proteins capable to organize protein heterocomplexes, describing some of their antagonistic properties in the physiology of the cell, and the putative regulation of their properties by those post-translational modifications.
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21
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De Leo SA, Zgajnar NR, Mazaira GI, Erlejman AG, Galigniana MD. Role of the Hsp90-Immunophilin Heterocomplex in Cancer Biology. CURRENT CANCER THERAPY REVIEWS 2020. [DOI: 10.2174/1573394715666190102120801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The identification of new factors that may function as cancer markers and become eventual pharmacologic targets is a challenge that may influence the management of tumor development and management. Recent discoveries connecting Hsp90-binding immunophilins with the regulation of signalling events that can modulate cancer progression transform this family of proteins in potential unconventional factors that may impact on the screening and diagnosis of malignant diseases. Immunophilins are molecular chaperones that group a family of intracellular receptors for immunosuppressive compounds. A subfamily of the immunophilin family is characterized by showing structural tetratricopeptide repeats, protein domains that are able to interact with the C-terminal end of the molecular chaperone Hsp90, and via the proper Hsp90-immunophilin complex, the biological properties of a number of client-proteins involved in cancer biology are modulated. Recent discoveries have demonstrated that two of the most studied members of this Hsp90- binding subfamily of immunophilins, FKBP51 and FKBP52, participate in several cellular processes such as apoptosis, carcinogenesis progression, and chemoresistance. While the expression levels of some members of the immunophilin family are affected in both cancer cell lines and human cancer tissues compared to normal samples, novel regulatory mechanisms have emerged during the last few years for several client-factors of immunophilins that are major players in cancer development and progression, among them steroid receptors, the transctiption factor NF-κB and the catalytic subunit of telomerase, hTERT. In this review, recent findings related to the biological properties of both iconic Hsp90-binding immunophilins, FKBP51 and FKBP52, are reviewed within the context of their interactions with those chaperoned client-factors. The potential roles of both immunophilins as potential cancer biomarkers and non-conventional pharmacologic targets for cancer treatment are discussed.
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Affiliation(s)
- Sonia A. De Leo
- Departamento de Quimica Biologica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Nadia R. Zgajnar
- Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, Argentina
| | - Gisela I. Mazaira
- Departamento de Quimica Biologica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Alejandra G. Erlejman
- Departamento de Quimica Biologica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mario D. Galigniana
- Departamento de Quimica Biologica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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22
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Nawalpuri B, Ravindran S, Muddashetty RS. The Role of Dynamic miRISC During Neuronal Development. Front Mol Biosci 2020; 7:8. [PMID: 32118035 PMCID: PMC7025485 DOI: 10.3389/fmolb.2020.00008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 01/10/2020] [Indexed: 12/17/2022] Open
Abstract
Activity-dependent protein synthesis plays an important role during neuronal development by fine-tuning the formation and function of neuronal circuits. Recent studies have shown that miRNAs are integral to this regulation because of their ability to control protein synthesis in a rapid, specific and potentially reversible manner. miRNA mediated regulation is a multistep process that involves inhibition of translation before degradation of targeted mRNA, which provides the possibility to store and reverse the inhibition at multiple stages. This flexibility is primarily thought to be derived from the composition of miRNA induced silencing complex (miRISC). AGO2 is likely the only obligatory component of miRISC, while multiple RBPs are shown to be associated with this core miRISC to form diverse miRISC complexes. The formation of these heterogeneous miRISC complexes is intricately regulated by various extracellular signals and cell-specific contexts. In this review, we discuss the composition of miRISC and its functions during neuronal development. Neurodevelopment is guided by both internal programs and external cues. Neuronal activity and external signals play an important role in the formation and refining of the neuronal network. miRISC composition and diversity have a critical role at distinct stages of neurodevelopment. Even though there is a good amount of literature available on the role of miRNAs mediated regulation of neuronal development, surprisingly the role of miRISC composition and its functional dynamics in neuronal development is not much discussed. In this article, we review the available literature on the heterogeneity of the neuronal miRISC composition and how this may influence translation regulation in the context of neuronal development.
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Affiliation(s)
- Bharti Nawalpuri
- Centre for Brain Development and Repair, Institute for Stem Cell Science and Regenerative Medicine (Instem), Bangalore, India.,School of Chemical and Biotechnology, Shanmugha Arts, Science, and Technology and Research Academy (SASTRA) University, Thanjavur, India
| | - Sreenath Ravindran
- Centre for Brain Development and Repair, Institute for Stem Cell Science and Regenerative Medicine (Instem), Bangalore, India.,Manipal Academy of Higher Education, Manipal, India
| | - Ravi S Muddashetty
- Centre for Brain Development and Repair, Institute for Stem Cell Science and Regenerative Medicine (Instem), Bangalore, India
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23
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Jung JA, Yoon YJ. Development of Non-Immunosuppressive FK506 Derivatives as Antifungal and Neurotrophic Agents. J Microbiol Biotechnol 2020; 30:1-10. [PMID: 31752059 PMCID: PMC9728173 DOI: 10.4014/jmb.1911.11008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
FK506, also known as tacrolimus, is a clinically important immunosuppressant drug and has promising therapeutic potentials owing to its antifungal, neuroprotective, and neuroregenerative activities. To generate various FK506 derivatives, the structure of FK506 has been modified by chemical methods or biosynthetic pathway engineering. Herein, we describe the mode of the antifungal action of FK506 and the structure-activity relationship of FK506 derivatives in the context of immunosuppressive and antifungal activities. In addition, we discuss the neurotrophic mechanism of FK506 known to date, along with the neurotrophic FK506 derivatives with significantly reduced immunosuppressive activity. This review suggests the possibility to generate novel FK506 derivatives as antifungal as well as neuroregenerative/neuroprotective agents.
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Affiliation(s)
- Jin A Jung
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Yeo Joon Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Republic of Korea,Corresponding author Phone: +82-2-3277-4082 Fax: +82-2-3277-3419 E-mail:
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24
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chen J, Yin B, Pang L, Wang W, Zhang JZH, Zhu T. Binding modes and conformational changes of FK506-binding protein 51 induced by inhibitor bindings: insight into molecular mechanisms based on multiple simulation technologies. J Biomol Struct Dyn 2019; 38:2141-2155. [DOI: 10.1080/07391102.2019.1624616] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jianzhong chen
- School of Science, Shandong Jiaotong University, Jinan, China
| | - Baohua Yin
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Laixue Pang
- School of Science, Shandong Jiaotong University, Jinan, China
| | - Wei Wang
- School of Science, Shandong Jiaotong University, Jinan, China
| | - John Z. H. Zhang
- NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai, China
- Shanghai Engineering Research Center of Molecular Therapeutics & New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Tong Zhu
- NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai, China
- Shanghai Engineering Research Center of Molecular Therapeutics & New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
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25
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Zgajnar NR, De Leo SA, Lotufo CM, Erlejman AG, Piwien-Pilipuk G, Galigniana MD. Biological Actions of the Hsp90-binding Immunophilins FKBP51 and FKBP52. Biomolecules 2019; 9:biom9020052. [PMID: 30717249 PMCID: PMC6406450 DOI: 10.3390/biom9020052] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 01/17/2019] [Indexed: 12/20/2022] Open
Abstract
Immunophilins are a family of proteins whose signature domain is the peptidylprolyl-isomerase domain. High molecular weight immunophilins are characterized by the additional presence of tetratricopeptide-repeats (TPR) through which they bind to the 90-kDa heat-shock protein (Hsp90), and via this chaperone, immunophilins contribute to the regulation of the biological functions of several client-proteins. Among these Hsp90-binding immunophilins, there are two highly homologous members named FKBP51 and FKBP52 (FK506-binding protein of 51-kDa and 52-kDa, respectively) that were first characterized as components of the Hsp90-based heterocomplex associated to steroid receptors. Afterwards, they emerged as likely contributors to a variety of other hormone-dependent diseases, stress-related pathologies, psychiatric disorders, cancer, and other syndromes characterized by misfolded proteins. The differential biological actions of these immunophilins have been assigned to the structurally similar, but functionally divergent enzymatic domain. Nonetheless, they also require the complementary input of the TPR domain, most likely due to their dependence with the association to Hsp90 as a functional unit. FKBP51 and FKBP52 regulate a variety of biological processes such as steroid receptor action, transcriptional activity, protein conformation, protein trafficking, cell differentiation, apoptosis, cancer progression, telomerase activity, cytoskeleton architecture, etc. In this article we discuss the biology of these events and some mechanistic aspects.
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Affiliation(s)
- Nadia R Zgajnar
- Instituto de Biología y Medicina Experimental/CONICET, Buenos Aires 1428, Argentina.
| | - Sonia A De Leo
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-CONICET, Buenos Aires 1428, Argentina.
| | - Cecilia M Lotufo
- Instituto de Biología y Medicina Experimental/CONICET, Buenos Aires 1428, Argentina.
| | - Alejandra G Erlejman
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-CONICET, Buenos Aires 1428, Argentina.
| | | | - Mario D Galigniana
- Instituto de Biología y Medicina Experimental/CONICET, Buenos Aires 1428, Argentina.
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-CONICET, Buenos Aires 1428, Argentina.
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Abstract
The FK506-binding protein 51 (FKBP51) has emerged as a key regulator of endocrine stress responses in mammals and as a potential therapeutic target for stress-related disorders (depression, post-traumatic stress disorder), metabolic disorders (obesity and diabetes) and chronic pain. Recently, FKBP51 has been implicated in several cellular pathways and numerous interacting protein partners have been reported. However, no consensus on the underlying molecular mechanisms has yet emerged. Here, we review the protein interaction partners reported for FKBP51, the proposed pathways involved, their relevance to FKBP51’s physiological function(s), the interplay with other FKBPs, and implications for the development of FKBP51-directed drugs.
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Piredda ML, Gaur G, Catalano G, Divona M, Banella C, Travaglini S, Puzzangara MC, Voso MT, Lo-Coco F, Noguera NI. PML/RARA inhibits expression of HSP90 and its target AKT. Br J Haematol 2018; 184:937-948. [PMID: 30536958 DOI: 10.1111/bjh.15715] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/05/2018] [Indexed: 12/29/2022]
Abstract
Essential for cell survival, the 90 kD Heat Shock Proteins (HSP90) are molecular chaperons required for conformational stabilization and trafficking of numerous client proteins. Functional HSP90 is required for the stability of AKT, a serine-threonine kinase phosphorylated in response to growth factor stimulation. AKT plays a crucial regulatory role in differentiation, cell cycle, transcription, translation, metabolism and apoptosis. Acute promyelocytic leukaemia (APL) is characterized by the presence of the promyelocytic leukaemia/retinoic acid receptor alpha (PML/RARA) fusion protein, which deregulates expression of several genes involved in differentiation and apoptosis. Here, we report inhibition of HSP90AA1 and HSP90AB1 isomer transcription in blasts isolated from patients with APL, associated with reduction of HSP90 protein expression and loss of control on AKT protein phosphorylation. We show that in vitro treatment of PML/RARA expressing cells with all-trans retinoic acid (ATRA) up-regulates HSP90 expression and stabilizes AKT. Addition of the HSP90-inhibitor 17-(allylamino)-17-demethoxygeldanamycin in combination with ATRA, blocks upregulation of AKT protein, indicating that HSP90 is necessary for ATRA action on AKT. This is the first report proving that expression of HSP90 isomers are directly and differentially repressed by PML/RARA, with critical results on cellular homeostasis of target proteins, such as AKT, in APL blasts.
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Affiliation(s)
- Maria Liliana Piredda
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Rome, Italy
| | - Girish Gaur
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Rome, Italy
| | - Gianfranco Catalano
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | | | - Cristina Banella
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Rome, Italy
| | - Serena Travaglini
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | | | - Maria Teresa Voso
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Francesco Lo-Coco
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Rome, Italy
| | - Nelida Ines Noguera
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.,Santa Lucia Foundation, I.R.C.C.S., Rome, Italy
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28
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Miller DJ, Fort PE. Heat Shock Proteins Regulatory Role in Neurodevelopment. Front Neurosci 2018; 12:821. [PMID: 30483047 PMCID: PMC6244093 DOI: 10.3389/fnins.2018.00821] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 10/22/2018] [Indexed: 01/20/2023] Open
Abstract
Heat shock proteins (Hsps) are a large family of molecular chaperones that are well-known for their roles in protein maturation, re-folding and degradation. While some Hsps are constitutively expressed in certain regions, others are rapidly upregulated in the presence of stressful stimuli. Numerous stressors, including hyperthermia and hypoxia, can induce the expression of Hsps, which, in turn, interact with client proteins and co-chaperones to regulate cell growth and survival. Such interactions must be tightly regulated, especially at critical points during embryonic and postnatal development. Hsps exhibit specific patterns of expression consistent with a spatio-temporally regulated role in neurodevelopment. There is also growing evidence that Hsps may promote or inhibit neurodevelopment through specific pathways regulating cell differentiation, neurite outgrowth, cell migration, or angiogenesis. This review will examine the regulatory role that these individual chaperones may play in neurodevelopment, and will focus specifically on the signaling pathways involved in the maturation of neuronal and glial cells as well as the underlying vascular network.
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Affiliation(s)
- David J Miller
- Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, United States.,Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
| | - Patrice E Fort
- Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, United States.,Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, United States
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29
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Zuo Y, Wang J, Liao F, Yan X, Li J, Huang L, Liu F. Inhibition of Heat Shock Protein 90 by 17-AAG Reduces Inflammation via P2X7 Receptor/NLRP3 Inflammasome Pathway and Increases Neurogenesis After Subarachnoid Hemorrhage in Mice. Front Mol Neurosci 2018; 11:401. [PMID: 30459553 PMCID: PMC6232389 DOI: 10.3389/fnmol.2018.00401] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 10/12/2018] [Indexed: 12/23/2022] Open
Abstract
Subarachnoid hemorrhage (SAH) is a life-threatening cerebrovascular disease that usually has a poor prognosis. Heat shock proteins (HSPs) have been implicated in the mechanisms of SAH-associated damage, including increased inflammation and reduced neurogenesis. The aim of this study was to investigate the effects of HSP90 inhibition on inflammation and neurogenesis in a mouse model of experimental SAH induced by endovascular surgery. Western blotting showed HSP90 levels to be decreased, while neurogenesis, evaluated by 5-bromo-2'-deoxyuridine (BrdU) immunohistochemistry, was decreased in the hippocampuses of SAH mice. SAH also induced pro-inflammatory factors such as interleukin-1β (IL-1β), capase-1 and the NLRP3 inflammasome. However, intraperitoneal administration of the specific HSP90 inhibitor 17-allylamino-17-demethoxygeldanamycin (17-AAG) reduced the levels of HSP90, NLRP3, ASC, caspase-1 and IL-1β, while increasing the levels of brain-derived neurotrophic factor and doublecortin (DCX), as well as the number of BrdU-positive cells in SAH mice. In addition, 17-AGG improved short- and long-term neurobehavioral outcomes. The neuroprotective and anti-inflammatory effects of 17-AGG were reversed by recombinant HSP90 (rHSP90); this detrimental effect of HSP90 was inhibited by the specific P2X7 receptor (P2X7R) inhibitor A438079, indicating that SAH-induced inflammation and inhibition of neurogenesis were likely mediated by HSP90 and the P2X7R/NLRP3 inflammasome pathway. HSP90 inhibition by 17-AAG may be a promising therapeutic strategy for the treatment of SAH.
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Affiliation(s)
- Yuchun Zuo
- Department of Neurosurgery, Third XiangYa Hospital, Central South University, Changsha, China
| | - Jikai Wang
- Department of Neurosurgery, Third XiangYa Hospital, Central South University, Changsha, China
| | - Fan Liao
- Department of Neurosurgery, Third XiangYa Hospital, Central South University, Changsha, China
| | - Xiaoxin Yan
- Department of Anatomy, XiangYa Medical School, Central South University, Changsha, China
| | - Jianming Li
- Neuroscience Research Center, Changsha Medical University, Changsha, China
| | - Lei Huang
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, United States.,Department of Neurosurgery, School of Medicine, Loma Linda University, Loma Linda, CA, United States
| | - Fei Liu
- Department of Neurosurgery, Third XiangYa Hospital, Central South University, Changsha, China
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30
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Fries GR, Gassen NC, Rein T. The FKBP51 Glucocorticoid Receptor Co-Chaperone: Regulation, Function, and Implications in Health and Disease. Int J Mol Sci 2017; 18:ijms18122614. [PMID: 29206196 PMCID: PMC5751217 DOI: 10.3390/ijms18122614] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/21/2017] [Accepted: 11/29/2017] [Indexed: 12/27/2022] Open
Abstract
Among the chaperones and co-chaperones regulating the glucocorticoid receptor (GR), FK506 binding protein (FKBP) 51 is the most intensely investigated across different disciplines. This review provides an update on the role of the different co-chaperones of Hsp70 and Hsp90 in the regulation of GR function. The development leading to the focus on FKBP51 is outlined. Further, a survey of the vast literature on the mechanism and function of FKBP51 is provided. This includes its structure and biochemical function, its regulation on different levels—transcription, post-transcription, and post-translation—and its function in signaling pathways. The evidence portraying FKBP51 as a scaffolding protein organizing protein complexes rather than a chaperone contributing to the folding of individual proteins is collated. Finally, FKBP51’s involvement in physiology and disease is outlined, and the promising efforts in developing drugs targeting FKBP51 are discussed.
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Affiliation(s)
- Gabriel R Fries
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77054, USA.
| | - Nils C Gassen
- Department of Translational Science in Psychiatry, Max Planck Institute of Psychiatry, 80804 Munich, Germany.
| | - Theo Rein
- Department of Translational Science in Psychiatry, Max Planck Institute of Psychiatry, 80804 Munich, Germany.
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31
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Bonner JM, Boulianne GL. Diverse structures, functions and uses of FK506 binding proteins. Cell Signal 2017; 38:97-105. [DOI: 10.1016/j.cellsig.2017.06.013] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 06/15/2017] [Accepted: 06/20/2017] [Indexed: 02/08/2023]
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32
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Pasquini JM, Barrantes FJ, Quintá HR. Normal development of spinal axons in early embryo stages and posterior locomotor function is independent of GAL-1. J Comp Neurol 2017; 525:2861-2875. [DOI: 10.1002/cne.24243] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 05/11/2017] [Accepted: 05/11/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Juana M. Pasquini
- Departamento de Química Biológica; Instituto de Química y Físico Química Biológica, Universidad de Buenos Aires; Buenos Aires Argentina
| | | | - Héctor R. Quintá
- Departamento de Química Biológica; Instituto de Química y Físico Química Biológica, Universidad de Buenos Aires; Buenos Aires Argentina
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33
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Charó NL, Rodríguez Ceschan MI, Galigniana NM, Toneatto J, Piwien-Pilipuk G. Organization of nuclear architecture during adipocyte differentiation. Nucleus 2017; 7:249-69. [PMID: 27416359 DOI: 10.1080/19491034.2016.1197442] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Obesity is a serious health problem worldwide since it is a major risk factor for chronic diseases such as type II diabetes. Obesity is the result of hyperplasia (associated with increased adipogenesis) and hypertrophy (associated with decreased adipogenesis) of the adipose tissue. Therefore, understanding the molecular mechanisms underlying the process of adipocyte differentiation is relevant to delineate new therapeutic strategies for treatment of obesity. As in all differentiation processes, temporal patterns of transcription are exquisitely controlled, allowing the acquisition and maintenance of the adipocyte phenotype. The genome is spatially organized; therefore decoding local features of the chromatin language alone does not suffice to understand how cell type-specific gene expression patterns are generated. Elucidating how nuclear architecture is built during the process of adipogenesis is thus an indispensable step to gain insight in how gene expression is regulated to achieve the adipocyte phenotype. Here we will summarize the recent advances in our understanding of the organization of nuclear architecture as progenitor cells differentiate in adipocytes, and the questions that still remained to be answered.
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Affiliation(s)
- Nancy L Charó
- a Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IByME) - CONICET , Buenos Aires , Argentina
| | - María I Rodríguez Ceschan
- a Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IByME) - CONICET , Buenos Aires , Argentina
| | - Natalia M Galigniana
- a Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IByME) - CONICET , Buenos Aires , Argentina
| | - Judith Toneatto
- a Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IByME) - CONICET , Buenos Aires , Argentina
| | - Graciela Piwien-Pilipuk
- a Laboratory of Nuclear Architecture, Instituto de Biología y Medicina Experimental (IByME) - CONICET , Buenos Aires , Argentina
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34
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Lagadari M, Zgajnar NR, Gallo LI, Galigniana MD. Hsp90-binding immunophilin FKBP51 forms complexes with hTERT enhancing telomerase activity. Mol Oncol 2016; 10:1086-98. [PMID: 27233944 PMCID: PMC5423183 DOI: 10.1016/j.molonc.2016.05.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 04/25/2016] [Accepted: 05/09/2016] [Indexed: 11/25/2022] Open
Abstract
FK506-binding proteins are members of the immunophilin family of proteins. Those immunophilins associated to the 90-kDa-heat-shock protein, Hsp90, have been proposed as potential modulators of signalling cascade factors chaperoned by Hsp90. FKBP51 and FKBP52 are the best characterized Hsp90-bound immunophilins first described associated to steroid-receptors. The reverse transcriptase subunit of telomerase, hTERT, is also an Hsp90 client-protein and is highly expressed in cancer cells, where it is required to compensate the loss of telomeric DNA after each successive cell division. Because FKBP51 is also a highly expressed protein in cancer tissues, we analyzed its potential association with hTERT·Hsp90 complexes and its possible biological role. In this study it is demonstrated that both immunophilins, FKBP51 and FKBP52, co-immunoprecipitate with hTERT. The Hsp90 inhibitor radicicol disrupts the heterocomplex and favors the partial cytoplasmic relocalization of hTERT in similar manner as the overexpression of the TPR-domain peptide of the immunophilin. While confocal microscopy images show that FKBP51 is primarily localized in mitochondria and hTERT is totally nuclear, upon the onset of oxidative stress, FKBP51 (but not FKBP52) becomes mostly nuclear colocalizing with hTERT, and longer exposure times to peroxide favors hTERT export to mitochondria. Importantly, telomerase activity of hTERT is significantly enhanced by FKBP51. These observations support the emerging role assigned to FKBP51 as antiapoptotic factor in cancer development and progression, and describe for the first time the potential role of this immunophilin favoring the clonal expansion by enhancing telomerase activity.
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Affiliation(s)
- Mariana Lagadari
- Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, C1428ADN, Argentina
| | - Nadia R Zgajnar
- Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, C1428ADN, Argentina
| | - Luciana I Gallo
- Instituto de Fisiología, Biología Molecular y Neurociencias (CONICET) & Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, C1428EGA, Argentina
| | - Mario D Galigniana
- Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Buenos Aires, C1428ADN, Argentina; Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, C1428EGA, Argentina.
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35
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Young MJ, Geiszler PC, Pardon MC. A novel role for the immunophilin FKBP52 in motor coordination. Behav Brain Res 2016; 313:97-110. [PMID: 27418439 DOI: 10.1016/j.bbr.2016.07.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Revised: 07/09/2016] [Accepted: 07/10/2016] [Indexed: 02/01/2023]
Abstract
FKBP52 is a ubiquitously distributed immunophilin that has been associated with wide-ranging functions in cell signalling as well as hormonal and stress responses. Amongst other pathways, it acts via complex-formation with corticosteroid receptors and has consequently been associated with stress- and age- related neurodegenerative disorders including Alzheimer's and Parkinson's diseases. Reduced levels of FKBP52 have been linked to tau dysfunction and amyloid beta toxicity in AD. However, FKBP52's role in cognition and neurodegenerative disorder-like phenotypes remain to be elucidated. The present study aimed therefore at investigating the cognitive and behavioural effects of reduced FKBP52 levels of genetically modified mice during ageing. Female and male FKBP52(+/+), FKBP52(+/-) and FKBP52(-/-) mice were compared at two-, ten-, twelve-, fifteen- and eighteen-months-of-age in a series of behavioural tests covering specie-specific behaviour, motor activity and coordination, fear-, spatial and recognition memory as well as curiosity and emotionality. Whilst cognitively unimpaired, FKBP52(+/-) mice performed worse on an accelerating rotating rod than FKBP52(+/+) littermates across all age-groups suggesting that FKBP52 is involved in processes controlling motor coordination. This deficit did not exacerbate with age but did worsen with repeated testing; pointing towards a role for FKBP52 in learning of tasks requiring motor coordination abilities. This study contributes to the knowledge base of FKBP52's implication in neurodegenerative diseases by demonstrating that FKBP52 by itself does not directly affect cognition and may therefore rather play an indirect, modulatory role in the functional pathology of AD, whereas it directly affects motor coordination, an early sign of neurodegenerative damages to the brain.
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Affiliation(s)
- Matthew J Young
- University of Nottingham Medical School, School of Life Sciences, Neuroscience group, Queen's Medical Centre, Nottingham NG7 2UH United Kingdom
| | - Philippine C Geiszler
- University of Nottingham Medical School, School of Life Sciences, Neuroscience group, Queen's Medical Centre, Nottingham NG7 2UH United Kingdom
| | - Marie-Christine Pardon
- University of Nottingham Medical School, School of Life Sciences, Neuroscience group, Queen's Medical Centre, Nottingham NG7 2UH United Kingdom.
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36
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Quintá HR, Wilson C, Blidner AG, González-Billault C, Pasquini LA, Rabinovich GA, Pasquini JM. Ligand-mediated Galectin-1 endocytosis prevents intraneural H2O2 production promoting F-actin dynamics reactivation and axonal re-growth. Exp Neurol 2016; 283:165-78. [PMID: 27296316 DOI: 10.1016/j.expneurol.2016.06.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 05/08/2016] [Accepted: 06/09/2016] [Indexed: 12/25/2022]
Abstract
UNLABELLED Axonal growth cone collapse following spinal cord injury (SCI) is promoted by semaphorin3A (Sema3A) signaling via PlexinA4 surface receptor. This interaction triggers intracellular signaling events leading to increased hydrogen peroxide levels which in turn promote filamentous actin (F-actin) destabilization and subsequent inhibition of axonal re-growth. In the current study, we demonstrated that treatment with galectin-1 (Gal-1), in its dimeric form, promotes a decrease in hydrogen peroxide (H2O2) levels and F-actin repolimerization in the growth cone and in the filopodium of neuron surfaces. This effect was dependent on the carbohydrate recognition activity of Gal-1, as it was prevented using a Gal-1 mutant lacking carbohydrate-binding activity. Furthermore, Gal-1 promoted its own active ligand-mediated endocytosis together with the PlexinA4 receptor, through mechanisms involving complex branched N-glycans. In summary, our results suggest that Gal-1, mainly in its dimeric form, promotes re-activation of actin cytoskeleton dynamics via internalization of the PlexinA4/Gal-1 complex. This mechanism could explain, at least in part, critical events in axonal regeneration including the full axonal re-growth process, de novo formation of synapse clustering, axonal re-myelination and functional recovery of coordinated locomotor activities in an in vivo acute and chronic SCI model. SIGNIFICANCE STATEMENT Axonal regeneration is a response of injured nerve cells critical for nerve repair in human spinal cord injury. Understanding the molecular mechanisms controlling nerve repair by Galectin-1, may be critical for therapeutic intervention. Our results show that Galectin-1; in its dimeric form, interferes with hydrogen peroxide production triggered by Semaphorin3A. The high levels of this reactive oxygen species (ROS) seem to be the main factor preventing axonal regeneration due to promotion of actin depolymerization at the axonal growth cone. Thus, Galectin-1 administration emerges as a novel therapeutic modality for promoting nerve repair and preventing axonal loss.
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Affiliation(s)
- Héctor R Quintá
- Departamento de Química Biológica, Instituto de Química y Físico Química Biológica, Universidad de Buenos Aires, Buenos Aires C1113AAD, Argentina
| | - Carlos Wilson
- Laboratory of Cell and Neuronal Dymanics, Faculty of Sciences, Universidad de Chile. Center for Geroscience, Brain Health and Metabolism, Santiago, Chile. The Buck Institute for Research on Aging, Novato, USA
| | - Ada G Blidner
- Laboratorio de Inmunopatología, Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Buenos Aires C1428, Argentina
| | - Christian González-Billault
- Laboratory of Cell and Neuronal Dymanics, Faculty of Sciences, Universidad de Chile. Center for Geroscience, Brain Health and Metabolism, Santiago, Chile. The Buck Institute for Research on Aging, Novato, USA
| | - Laura A Pasquini
- Departamento de Química Biológica, Instituto de Química y Físico Química Biológica, Universidad de Buenos Aires, Buenos Aires C1113AAD, Argentina
| | - Gabriel A Rabinovich
- Laboratorio de Inmunopatología, Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Buenos Aires C1428, Argentina; Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, C1428, Argentina
| | - Juana M Pasquini
- Departamento de Química Biológica, Instituto de Química y Físico Química Biológica, Universidad de Buenos Aires, Buenos Aires C1113AAD, Argentina.
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37
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Gassen NC, Hartmann J, Zannas AS, Kretzschmar A, Zschocke J, Maccarrone G, Hafner K, Zellner A, Kollmannsberger LK, Wagner KV, Mehta D, Kloiber S, Turck CW, Lucae S, Chrousos GP, Holsboer F, Binder EB, Ising M, Schmidt MV, Rein T. FKBP51 inhibits GSK3β and augments the effects of distinct psychotropic medications. Mol Psychiatry 2016; 21:277-89. [PMID: 25849320 DOI: 10.1038/mp.2015.38] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 01/02/2015] [Accepted: 02/09/2015] [Indexed: 12/18/2022]
Abstract
Psychotropic medications target glycogen synthase kinase 3β (GSK3β), but the functional integration with other factors relevant for drug efficacy is poorly understood. We discovered that the suggested psychiatric risk factor FK506 binding protein 51 (FKBP51) increases phosphorylation of GSK3β at serine 9 (pGSK3β(S9)). FKBP51 associates with GSK3β mainly through its FK1 domain; furthermore, it also changes GSK3β's heterocomplex assembly by associating with the phosphatase PP2A and the kinase cyclin-dependent kinase 5. FKBP51 acts through GSK3β on the downstream targets Tau, β-catenin and T-cell factor/lymphoid enhancing factor (TCF/LEF). Lithium and the antidepressant (AD) paroxetine (PAR) functionally synergize with FKBP51, as revealed by reporter gene and protein association analyses. Deletion of FKBP51 blunted the PAR- or lithium-induced increase in pGSK3β(S9) in cells and mice and attenuated the behavioral effects of lithium treatment. Clinical improvement in depressive patients was predicted by baseline GSK3β pathway activity and by pGSK3β(S9) reactivity to ex vivo treatment of peripheral blood mononuclear lymphocytes with lithium or PAR. In sum, FKBP51-directed GSK3β activity contributes to the action of psychotropic medications. Components of the FKBP51-GSK3β pathway may be useful as biomarkers predicting AD response and as targets for the development of novel ADs.
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Affiliation(s)
- N C Gassen
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - J Hartmann
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - A S Zannas
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany.,Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, USA
| | - A Kretzschmar
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - J Zschocke
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - G Maccarrone
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - K Hafner
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - A Zellner
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - L K Kollmannsberger
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - K V Wagner
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - D Mehta
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - S Kloiber
- Department of Clinical Research, Max Planck Institute of Psychiatry, Munich, Germany
| | - C W Turck
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
| | - S Lucae
- Department of Clinical Research, Max Planck Institute of Psychiatry, Munich, Germany
| | - G P Chrousos
- First Department of Pediatrics, University of Athens Medical School, Athens, Greece
| | - F Holsboer
- Department of Clinical Research, Max Planck Institute of Psychiatry, Munich, Germany
| | - E B Binder
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany.,Department of Psychiatry and Behavioral Sciences, Emory University, Max Planck Institute of Psychiatry, Munich, Germany
| | - M Ising
- Department of Clinical Research, Max Planck Institute of Psychiatry, Munich, Germany
| | - M V Schmidt
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - T Rein
- Department of Translational Research in Psychiatry, Max Planck Institute of Psychiatry, Munich, Germany
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38
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Gassen NC, Fries GR, Zannas AS, Hartmann J, Zschocke J, Hafner K, Carrillo-Roa T, Steinbacher J, Preißinger SN, Hoeijmakers L, Knop M, Weber F, Kloiber S, Lucae S, Chrousos GP, Carell T, Ising M, Binder EB, Schmidt MV, Rüegg J, Rein T. Chaperoning epigenetics: FKBP51 decreases the activity of DNMT1 and mediates epigenetic effects of the antidepressant paroxetine. Sci Signal 2015; 8:ra119. [DOI: 10.1126/scisignal.aac7695] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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39
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Haase M, Fitze G. HSP90AB1: Helping the good and the bad. Gene 2015; 575:171-86. [PMID: 26358502 DOI: 10.1016/j.gene.2015.08.063] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 07/30/2015] [Accepted: 08/27/2015] [Indexed: 12/11/2022]
Affiliation(s)
- Michael Haase
- Department of Pediatric Surgery, University Hospital Carl Gustav Carus, TU Dresden, Fetscherstrasse 74, 01307 Dresden, Germany.
| | - Guido Fitze
- Department of Pediatric Surgery, University Hospital Carl Gustav Carus, TU Dresden, Fetscherstrasse 74, 01307 Dresden, Germany
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40
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Abstract
Anxiety-related psychiatric disorders represent one of the largest health burdens worldwide. Single nucleotide polymorphisms of the FK506 binding protein 51 (FKBP51) gene have been repeatedly associated with anxiety-related disorders and stress sensitivity. Given the intimate relationship of stress and anxiety, we hypothesized that amygdala FKBP51 may mediate anxiety-related behaviors. Mimicking the stress effect by specifically overexpressing FKBP51 in the basolateral amygdala (BLA) or central amygdala resulted in increased anxiety-related behavior, respectively. In contrast, application of a highly selective FKBP51 point mutant antagonist, following FKBP51(mut) BLA-overexpression, reduced the anxiogenic phenotype. We subsequently tested a novel FKBP51 antagonist, SAFit2, in wild-type mice via BLA microinjections, which reduced anxiety-related behavior. Remarkably, the same effect was observed following peripheral administration of SAFit2. To our knowledge, this is the first in vivo study using a specific FKBP51 antagonist, thereby unraveling the role of FKBP51 and its potential as a novel drug target for the improved treatment of anxiety-related disorders.
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41
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Mazaira GI, Camisay MF, De Leo S, Erlejman AG, Galigniana MD. Biological relevance of Hsp90-binding immunophilins in cancer development and treatment. Int J Cancer 2015; 138:797-808. [PMID: 25754838 DOI: 10.1002/ijc.29509] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 02/17/2015] [Indexed: 12/14/2022]
Abstract
Immunophilins are a family of intracellular receptors for immunosuppressive drugs. Those immunophilins that are related to immunosuppression are the smallest proteins of the family, i.e., FKBP12 and CyPA, whereas the other members of the family have higher molecular weight because the show additional domains to the drug-binding site. Among these extra domains, the TPR-domain is perhaps the most relevant because it permits the interaction of high molecular weight immunophilins with the 90-kDa heat-shock protein, Hsp90. This essential molecular chaperone regulates the biological function of several protein-kinases, oncogenes, protein phosphatases, transcription factors and cofactors . Hsp90-binding immunophilins where first characterized due to their association with steroid receptors. They regulate the cytoplasmic transport and the subcellular localization of these and other Hsp90 client proteins, as well as transcriptional activity, cell proliferation, cell differentiation and apoptosis. Hsp90-binding immunophilins are frequently overexpressed in several types of cancers and play a key role in cell survival. In this article we analyze the most important biological actions of the best characterized Hsp90-binding immunophilins in both steroid receptor function and cancer development and discuss the potential use of these immunophilins for therapeutic purposes as potential targets of specific small molecules.
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Affiliation(s)
- Gisela I Mazaira
- Departamento De Química Biológica, Facultad De Ciencias Exactas Y Naturales, Universidad De Buenos Aires and IQUIBICEN-CONICET, Buenos Aires, Argentina
| | - María F Camisay
- Departamento De Química Biológica, Facultad De Ciencias Exactas Y Naturales, Universidad De Buenos Aires and IQUIBICEN-CONICET, Buenos Aires, Argentina
| | - Sonia De Leo
- Departamento De Química Biológica, Facultad De Ciencias Exactas Y Naturales, Universidad De Buenos Aires and IQUIBICEN-CONICET, Buenos Aires, Argentina
| | - Alejandra G Erlejman
- Departamento De Química Biológica, Facultad De Ciencias Exactas Y Naturales, Universidad De Buenos Aires and IQUIBICEN-CONICET, Buenos Aires, Argentina
| | - Mario D Galigniana
- Departamento De Química Biológica, Facultad De Ciencias Exactas Y Naturales, Universidad De Buenos Aires and IQUIBICEN-CONICET, Buenos Aires, Argentina.,Instituto De Biología Y Medicina Experimental-CONICET, Buenos Aires, Argentina
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42
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Quintá HR, Pasquini LA, Pasquini JM. Three-dimensional reconstruction of corticospinal tract using one-photon confocal microscopy acquisition allows detection of axonal disruption in spinal cord injury. J Neurochem 2015; 133:113-24. [DOI: 10.1111/jnc.13017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 12/02/2014] [Accepted: 12/03/2014] [Indexed: 12/25/2022]
Affiliation(s)
- Héctor R. Quintá
- Departamento de Química Biológica; Instituto de Química y Físico Química Biológica; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Laura A. Pasquini
- Departamento de Química Biológica; Instituto de Química y Físico Química Biológica; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Juana M. Pasquini
- Departamento de Química Biológica; Instituto de Química y Físico Química Biológica; Universidad de Buenos Aires; Buenos Aires Argentina
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43
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Jochems J, Teegarden SL, Chen Y, Boulden J, Challis C, Ben-Dor GA, Kim SF, Berton O. Enhancement of stress resilience through histone deacetylase 6-mediated regulation of glucocorticoid receptor chaperone dynamics. Biol Psychiatry 2015; 77:345-55. [PMID: 25442004 PMCID: PMC4297530 DOI: 10.1016/j.biopsych.2014.07.036] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 07/29/2014] [Accepted: 07/29/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND Acetylation of heat shock protein 90 (Hsp90) regulates downstream hormone signaling via the glucocorticoid receptor (GR), but the role of this molecular mechanism in stress homeostasis is poorly understood. We tested whether acetylation of Hsp90 in the brain predicts and modulates the behavioral sequelae of a mouse model of social stress. METHODS Mice subjected to chronic social defeat stress were stratified into resilient and vulnerable subpopulations. Hypothalamic-pituitary-adrenal axis function was probed using a dexamethasone/corticotropin-releasing factor test. Measurements of Hsp90 acetylation, Hsp90-GR interactions, and GR translocation were performed in the dorsal raphe nucleus. To manipulate Hsp90 acetylation, we pharmacologically inhibited histone deacetylase 6, a known deacetylase of Hsp90, or overexpressed a point mutant that mimics the hyperacetylated state of Hsp90 at lysine K294. RESULTS Lower acetylated Hsp90, higher GR-Hsp90 association, and enhanced GR translocation were observed in dorsal raphe nucleus of vulnerable mice after chronic social defeat stress. Administration of ACY-738, a histone deacetylase 6-selective inhibitor, led to Hsp90 hyperacetylation in brain and in neuronal culture. In cell-based assays, ACY-738 increased the relative association of Hsp90 with FK506 binding protein 51 versus FK506 binding protein 52 and inhibited hormone-induced GR translocation. This effect was replicated by overexpressing the acetylation-mimic point mutant of Hsp90. In vivo, ACY-738 promoted resilience to chronic social defeat stress, and serotonin-selective viral overexpression of the acetylation-mimic mutant of Hsp90 in raphe neurons reproduced the behavioral effect of ACY-738. CONCLUSIONS Hyperacetylation of Hsp90 is a predictor and causal molecular determinant of stress resilience in mice. Brain-penetrant histone deacetylase 6 inhibitors increase Hsp90 acetylation and modulate GR chaperone dynamics offering a promising strategy to curtail deleterious socioaffective effects of stress and glucocorticoids.
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Affiliation(s)
- Jeanine Jochems
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Sarah L Teegarden
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Yong Chen
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Janette Boulden
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Collin Challis
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Gabriel A Ben-Dor
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Sangwon F Kim
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia PA 19104-3403
| | - Olivier Berton
- Department of Psychiatry, University of Pennsylvania, Perelman School of Medicine, Philadelphia Pennsylvania..
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44
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Schmidt U, Buell DR, Ionescu IA, Gassen NC, Holsboer F, Cox MB, Novak B, Huber C, Hartmann J, Schmidt MV, Touma C, Rein T, Herrmann L. A role for synapsin in FKBP51 modulation of stress responsiveness: Convergent evidence from animal and human studies. Psychoneuroendocrinology 2015; 52:43-58. [PMID: 25459892 DOI: 10.1016/j.psyneuen.2014.11.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 11/04/2014] [Accepted: 11/04/2014] [Indexed: 01/09/2023]
Abstract
Both the molecular co-chaperone FKBP51 and the presynaptic vesicle protein synapsin (alternatively spliced from SYN1-3) are intensively discussed players in the still insufficiently explored pathobiology of psychiatric disorders such as major depression, schizophrenia and posttraumatic stress disorder (PTSD). To address their still unknown interaction, we compared the expression levels of synapsin and five other neurostructural and HPA axis related marker proteins in the prefrontal cortex (PFC) and the hippocampus of restrained-stressed and unstressed Fkbp5 knockout mice and corresponding wild-type littermates. In addition, we compared and correlated the gene expression levels of SYN1, SYN2 and FKBP5 in three different online datasets comprising expression data of human healthy subjects as well as of predominantly medicated patients with different psychiatric disorders. In summary, we found that Fkbp5 deletion, which we previously demonstrated to improve stress-coping behavior in mice, prevents the stress-induced decline in prefrontal cortical (pc), but not in hippocampal synapsin expression. Accordingly, pc, but not hippocampal, synapsin protein levels correlated positively with a more active mouse stress coping behavior. Searching for an underlying mechanism, we found evidence that deletion of Fkbp5 might prevent stress-induced pc synapsin loss, at least in part, through improvement of pc Akt kinase activity. These results, together with our finding that FKBP5 and SYN1 mRNA levels were regulated in opposite directions in the PFC of schizophrenic patients, who are known for exhibiting an altered stress-coping behavior, provide the first evidence of a role for pc synapsin in FKBP51 modulation of stress responsiveness. This role might extend to other tissues, as we found FKBP5 and SYN1 levels to correlate inversely not only in human PFC samples but also in other expression sites. The main limitation of this study is the small number of individuals included in the correlation analyses. Future studies will have to verify the here-postulated role of the FKBP51-Akt kinase-synapsin pathway in stress responsiveness.
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Affiliation(s)
- Ulrike Schmidt
- Max Planck Institute of Psychiatry, Department of Clinical Research, RG Molecular Psychotraumatology, Munich, Germany.
| | - Dominik R Buell
- Max Planck Institute of Psychiatry, Department of Clinical Research, RG Molecular Psychotraumatology, Munich, Germany
| | - Irina A Ionescu
- Max Planck Institute of Psychiatry, Department of Clinical Research, RG Molecular Psychotraumatology, Munich, Germany
| | - Nils C Gassen
- Max Planck Institute of Psychiatry, Department of Translational Research in Psychiatry, Germany
| | - Florian Holsboer
- Max Planck Institute of Psychiatry, Department of Clinical Research, Munich, Germany
| | - Marc B Cox
- University of Texas at El Paso, 500 West University Avenue, El Paso, TX 79968, United States
| | - Bozidar Novak
- Max Planck Institute of Psychiatry, Department of Clinical Research, RG Molecular Psychotraumatology, Munich, Germany
| | - Christine Huber
- Max Planck Institute of Psychiatry, Department of Clinical Research, RG Molecular Psychotraumatology, Munich, Germany
| | - Jakob Hartmann
- Max Planck Institute of Psychiatry, Department of Stress Neurobiology and Neurogenetics, Germany
| | - Mathias V Schmidt
- Max Planck Institute of Psychiatry, Department of Stress Neurobiology and Neurogenetics, Germany
| | - Chadi Touma
- Max Planck Institute of Psychiatry, Department of Stress Neurobiology and Neurogenetics, Germany
| | - Theo Rein
- Max Planck Institute of Psychiatry, Department of Translational Research in Psychiatry, Germany
| | - Leonie Herrmann
- Max Planck Institute of Psychiatry, Department of Clinical Research, RG Molecular Psychotraumatology, Munich, Germany
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45
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Hausch F. FKBPs and their role in neuronal signaling. Biochim Biophys Acta Gen Subj 2015; 1850:2035-40. [PMID: 25615537 DOI: 10.1016/j.bbagen.2015.01.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 01/10/2015] [Accepted: 01/12/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND Ligands for FK506-binding proteins, also referred to as neuroimmunophilin ligands, have repeatedly been described as neuritotrophic, neuroprotective or neuroregenerative agents. However, the precise molecular mechanism of action underlying the observed effects has remained elusive, which eventually led to a reduced interest in FKBP ligand development. SCOPE OF REVIEW A survey is presented on the pharmacology of neuroimmunophilin ligands, of the current understanding of individual FKBP homologs in neuronal processes and an assessment of their potential as drug targets for CNS disorders. MAJOR CONCLUSIONS FKBP51 is the major target accounting for the neuritotrophic effect of neuroimmunophilin ligands. Selectivity against the homolog FKBP52 is essential for optimal neuritotrophic efficacy. GENERAL SIGNIFICANCE Selectivity within the FKBP family, in particular selective inhibition of FKBP12 or FKBP51, is possible. FKBP51 is a pharmacologically tractable target for stress-related disorders. The role of FKBPs in neurodegeneration remains to be clarified. This article is part of a Special Issue entitled Proline-directed Foldases: Cell Signaling Catalysts and Drug Targets.
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Affiliation(s)
- Felix Hausch
- Max Planck Institute of Psychiatry, 80804 Munich, Germany.
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46
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Guy NC, Garcia YA, Sivils JC, Galigniana MD, Cox MB. Functions of the Hsp90-binding FKBP immunophilins. Subcell Biochem 2015; 78:35-68. [PMID: 25487015 DOI: 10.1007/978-3-319-11731-7_2] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Hsp90 functionally interacts with a broad array of client proteins, but in every case examined Hsp90 is accompanied by one or more co-chaperones. One class of co-chaperone contains a tetratricopeptide repeat domain that targets the co-chaperone to the C-terminal region of Hsp90. Within this class are Hsp90-binding peptidylprolyl isomerases, most of which belong to the FK506-binding protein (FKBP) family. Despite the common association of FKBP co-chaperones with Hsp90, it is now clear that the client protein influences, and is influenced by, the particular FKBP bound to Hsp90. Examples include Xap2 in aryl hydrocarbon receptor complexes and FKBP52 in steroid receptor complexes. In this chapter, we discuss the known functional roles played by FKBP co-chaperones and, where possible, relate distinctive functions to structural differences between FKBP members.
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Affiliation(s)
- Naihsuan C Guy
- Department of Biological Sciences, Border Biomedical Research Center, University of Texas at El Paso, 79968, El Paso, TX, USA,
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47
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Selective inhibitors of the FK506-binding protein 51 by induced fit. Nat Chem Biol 2014; 11:33-7. [PMID: 25436518 DOI: 10.1038/nchembio.1699] [Citation(s) in RCA: 159] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 10/09/2014] [Indexed: 01/17/2023]
Abstract
The FK506-binding protein 51 (FKBP51, encoded by the FKBP5 gene) is an established risk factor for stress-related psychiatric disorders such as major depression. Drug discovery for FKBP51 has been hampered by the inability to pharmacologically differentiate against the structurally similar but functional opposing homolog FKBP52, and all known FKBP ligands are unselective. Here, we report the discovery of the potent and highly selective inhibitors of FKBP51, SAFit1 and SAFit2. This new class of ligands achieves selectivity for FKBP51 by an induced-fit mechanism that is much less favorable for FKBP52. By using these ligands, we demonstrate that selective inhibition of FKBP51 enhances neurite elongation in neuronal cultures and improves neuroendocrine feedback and stress-coping behavior in mice. Our findings provide the structural and functional basis for the development of mechanistically new antidepressants.
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48
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Pomplun S, Wang Y, Kirschner A, Kozany C, Bracher A, Hausch F. Rationales Design und asymmetrische Synthese potenter neuritotropher Liganden für FK506‐bindende Proteine (FKBPs). Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408776] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sebastian Pomplun
- Max‐Planck‐Institut für Psychiatrie, Kraepelinstraße 2–10, 80804 München (Deutschland)
| | - Yansong Wang
- Max‐Planck‐Institut für Psychiatrie, Kraepelinstraße 2–10, 80804 München (Deutschland)
- Derzeitige Adresse: Europäisches Labor für Molekularbiologie, 69117 Heidelberg (Deutschland)
| | - Alexander Kirschner
- Max‐Planck‐Institut für Psychiatrie, Kraepelinstraße 2–10, 80804 München (Deutschland)
| | - Christian Kozany
- Max‐Planck‐Institut für Psychiatrie, Kraepelinstraße 2–10, 80804 München (Deutschland)
| | - Andreas Bracher
- Max‐Planck‐Institut für Biochemie, 82152 Martinsried (Deutschland)
| | - Felix Hausch
- Max‐Planck‐Institut für Psychiatrie, Kraepelinstraße 2–10, 80804 München (Deutschland)
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49
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Pomplun S, Wang Y, Kirschner A, Kozany C, Bracher A, Hausch F. Rational design and asymmetric synthesis of potent and neurotrophic ligands for FK506-binding proteins (FKBPs). Angew Chem Int Ed Engl 2014; 54:345-8. [PMID: 25412894 DOI: 10.1002/anie.201408776] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Indexed: 11/06/2022]
Abstract
To create highly efficient inhibitors for FK506-binding proteins, a new asymmetric synthesis for pro-(S)-C(5) -branched [4.3.1] aza-amide bicycles was developed. The key step of the synthesis is an HF-driven N-acyliminium cyclization. Functionalization of the C(5) moiety resulted in novel protein contacts with the psychiatric risk factor FKBP51, which led to a more than 280-fold enhancement in affinity. The most potent ligands facilitated the differentiation of N2a neuroblastoma cells with low nanomolar potency.
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Affiliation(s)
- Sebastian Pomplun
- Max Planck Institute of Psychiatry, Kraepelinstr. 2-10, 80804 Munich (Germany)
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50
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Mazaira GI, Lagadari M, Erlejman AG, Galigniana MD. The Emerging Role of TPR-Domain Immunophilins in the Mechanism of Action of Steroid Receptors. NUCLEAR RECEPTOR RESEARCH 2014. [DOI: 10.11131/2014/101094] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- G. I. Mazaira
- Departamento de Química Biológica-IQUIBICEN, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - M. Lagadari
- Instituto de Biología y Medicina Experimental, CONICET, Buenos Aires, Argentina
| | - A. G. Erlejman
- Departamento de Química Biológica-IQUIBICEN, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - M. D. Galigniana
- Departamento de Química Biológica-IQUIBICEN, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Biología y Medicina Experimental, CONICET, Buenos Aires, Argentina
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