1
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Duarte-Silva S, Da Silva JD, Monteiro-Fernandes D, Costa MD, Neves-Carvalho A, Raposo M, Soares-Cunha C, Correia JS, Nogueira-Goncalves G, Fernandes HS, Oliveira S, Ferreira-Fernandes AR, Rodrigues F, Pereira-Sousa J, Vilasboas-Campos D, Guerreiro S, Campos J, Meireles-Costa L, Rodrigues CM, Cabantous S, Sousa SF, Lima M, Teixeira-Castro A, Maciel P. Glucocorticoid receptor-dependent therapeutic efficacy of tauroursodeoxycholic acid in preclinical models of spinocerebellar ataxia type 3. J Clin Invest 2024; 134:e162246. [PMID: 38227368 PMCID: PMC10904051 DOI: 10.1172/jci162246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 01/09/2024] [Indexed: 01/17/2024] Open
Abstract
Spinocerebellar ataxia type 3 (SCA3) is an adult-onset neurodegenerative disease caused by a polyglutamine expansion in the ataxin-3 (ATXN3) gene. No effective treatment is available for this disorder, other than symptom-directed approaches. Bile acids have shown therapeutic efficacy in neurodegenerative disease models. Here, we pinpointed tauroursodeoxycholic acid (TUDCA) as an efficient therapeutic, improving the motor and neuropathological phenotype of SCA3 nematode and mouse models. Surprisingly, transcriptomic and functional in vivo data showed that TUDCA acts in neuronal tissue through the glucocorticoid receptor (GR), but independently of its canonical receptor, the farnesoid X receptor (FXR). TUDCA was predicted to bind to the GR, in a similar fashion to corticosteroid molecules. GR levels were decreased in disease-affected brain regions, likely due to increased protein degradation as a consequence of ATXN3 dysfunction being restored by TUDCA treatment. Analysis of a SCA3 clinical cohort showed intriguing correlations between the peripheral expression of GR and the predicted age at disease onset in presymptomatic subjects and FKBP5 expression with disease progression, suggesting this pathway as a potential source of biomarkers for future study. We have established a novel in vivo mechanism for the neuroprotective effects of TUDCA in SCA3 and propose this readily available drug for clinical trials in SCA3 patients.
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Affiliation(s)
- Sara Duarte-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Jorge Diogo Da Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Medical Genetics Center Dr. Jacinto de Magalhães, Santo António University Hospital Center, Porto, Portugal
- Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Biomedical Sciences Institute, Porto University, Porto, Portugal
| | - Daniela Monteiro-Fernandes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Marta Daniela Costa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Andreia Neves-Carvalho
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Mafalda Raposo
- Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Faculdade de Ciências e Tecnologia, Universidade dos Açores, Ponta Delgada, Portugal
| | - Carina Soares-Cunha
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Joana S. Correia
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Gonçalo Nogueira-Goncalves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Henrique S. Fernandes
- UCIBIO – Applied Molecular Biosciences Unit, BioSIM – Departamento de Biomedicina and
- Associate Laboratory i4HB – Institute for Health and Bioeconomy, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
| | - Stephanie Oliveira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ana Rita Ferreira-Fernandes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Fernando Rodrigues
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Joana Pereira-Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Daniela Vilasboas-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Sara Guerreiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Jonas Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Liliana Meireles-Costa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Cecilia M.P. Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Stephanie Cabantous
- Cancer Research Center of Toulouse (CRCT), Inserm, Université de Toulouse, UPS, CNRS, Toulouse, France
| | - Sergio F. Sousa
- UCIBIO – Applied Molecular Biosciences Unit, BioSIM – Departamento de Biomedicina and
- Associate Laboratory i4HB – Institute for Health and Bioeconomy, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
| | - Manuela Lima
- Faculdade de Ciências e Tecnologia, Universidade dos Açores, Ponta Delgada, Portugal
| | - Andreia Teixeira-Castro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Patricia Maciel
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
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2
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Martins-Macedo J, Mateus-Pinheiro A, Alves C, Veloso F, Gomes ED, Ribeiro I, Correia JS, Silveira-Rosa T, Alves ND, Rodrigues AJ, Bessa JM, Sousa N, Oliveira JF, Patrício P, Pinto L. StressMatic: A Novel Automated System to Induce Depressive- and Anxiety-like Phenotype in Rats. Cells 2023; 12:cells12030381. [PMID: 36766724 PMCID: PMC9913774 DOI: 10.3390/cells12030381] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/09/2023] [Accepted: 01/17/2023] [Indexed: 01/22/2023] Open
Abstract
Major depressive disorder (MDD) is a multidimensional psychiatric disorder that is estimated to affect around 350 million people worldwide. Generating valid and effective animal models of depression is critical and has been challenging for neuroscience researchers. For preclinical studies, models based on stress exposure, such as unpredictable chronic mild stress (uCMS), are amongst the most reliable and used, despite presenting concerns related to the standardization of protocols and time consumption for operators. To overcome these issues, we developed an automated system to expose rodents to a standard uCMS protocol. Here, we compared manual (uCMS) and automated (auCMS) stress-exposure protocols. The data shows that the impact of the uCMS exposure by both methods was similar in terms of behavioral (cognition, mood, and anxiety) and physiological (cell proliferation and endocrine variations) measurements. Given the advantages of time and standardization, this automated method represents a step forward in this field of preclinical research.
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Affiliation(s)
- Joana Martins-Macedo
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
| | - António Mateus-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
| | - Cátia Alves
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
- Department of Marketing and International Business, University of Vienna, Oskar Morgenstern-Platz 1, 1090 Vienna, Austria
| | - Fernando Veloso
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- 2Ai—School of Technology, IPCA, 4750-810 Barcelos, Portugal
- LASI—Associate Laboratory of Intelligent Systems, 4800-058 Guimarães, Portugal
- Department of Mechanical Engineering, School of Engineering, University of Minho, 4800-058 Guimarães, Portugal
| | - Eduardo D. Gomes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Inês Ribeiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Joana S. Correia
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
| | - Tiago Silveira-Rosa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Nuno D. Alves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - Ana J. Rodrigues
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
| | - João M. Bessa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
| | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
| | - João F. Oliveira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- 2Ai—School of Technology, IPCA, 4750-810 Barcelos, Portugal
| | - Patrícia Patrício
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
| | - Luísa Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, 4806-909 Braga/Guimarães, Portugal
- Bn’ML—Behavioral & Molecular Lab, University of Minho, 4710-057 Braga, Portugal
- Correspondence: ; Tel.: +351-253-604-929
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Correia JS, Mirón-Barroso S, Hutchings C, Ottaviani S, Somuncuoğlu B, Castellano L, Porter AE, Krell J, Georgiou TK. How does the polymer architecture and position of cationic charges affect cell viability? Polym Chem 2023; 14:303-317. [PMID: 36760606 PMCID: PMC9846193 DOI: 10.1039/d2py01012g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022]
Abstract
Polymer chemistry, composition and molar mass are factors that are known to affect cytotoxicity, however the influence of polymer architecture has not been investigated systematically. In this study the influence of the position of the cationic charges along the polymer chain on cytotoxicity was investigated while keeping constant the other polymer characteristics. Specifically, copolymers of various architectures, based on a cationic pH responsive monomer, 2-(dimethylamino)ethyl methacrylate (DMAEMA) and a non-ionic hydrophilic monomer, oligo(ethylene glycol)methyl ether methacrylate (OEGMA) were engineered and their toxicity towards a panel of cell lines investigated. Of the seven different polymer architectures examined, the block-like structures were less cytotoxic than statistical or gradient/tapered architectures. These findings will assist in developing future vectors for nucleic acid delivery.
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Affiliation(s)
| | | | | | - Silvia Ottaviani
- The John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent UniversityNottingham NG11 8NSUK,Department of Surgery and Cancer, Division of Cancer, Imperial College London, Imperial Centre for Translational and Experimental Medicine (ICTEM)London W12 0NNUK
| | | | - Leandro Castellano
- Department of Surgery and Cancer, Division of Cancer, Imperial College London, Imperial Centre for Translational and Experimental Medicine (ICTEM)London W12 0NNUK,School of Life Sciences, John Maynard Smith Building, University of SussexBrightonUK
| | | | - Jonathan Krell
- Department of Surgery & Cancer, Imperial College LondonUK
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4
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Mirón-Barroso S, Correia JS, Frampton AE, Lythgoe MP, Clark J, Tookman L, Ottaviani S, Castellano L, Porter AE, Georgiou TK, Krell J. Polymeric Carriers for Delivery of RNA Cancer Therapeutics. Noncoding RNA 2022; 8:ncrna8040058. [PMID: 36005826 PMCID: PMC9412371 DOI: 10.3390/ncrna8040058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/15/2022] [Accepted: 07/25/2022] [Indexed: 12/04/2022] Open
Abstract
As research uncovers the underpinnings of cancer biology, new targeted therapies have been developed. Many of these therapies are small molecules, such as kinase inhibitors, that target specific proteins; however, only 1% of the genome encodes for proteins and only a subset of these proteins has ‘druggable’ active binding sites. In recent decades, RNA therapeutics have gained popularity due to their ability to affect targets that small molecules cannot. Additionally, they can be manufactured more rapidly and cost-effectively than small molecules or recombinant proteins. RNA therapeutics can be synthesised chemically and altered quickly, which can enable a more personalised approach to cancer treatment. Even though a wide range of RNA therapeutics are being developed for various indications in the oncology setting, none has reached the clinic to date. One of the main reasons for this is attributed to the lack of safe and effective delivery systems for this type of therapeutic. This review focuses on current strategies to overcome these challenges and enable the clinical utility of these novel therapeutic agents in the cancer clinic.
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Affiliation(s)
- Sofía Mirón-Barroso
- Department of Surgery and Cancer, Imperial College, London W12 0HS, UK; (A.E.F.); (M.P.L.); (J.C.); (L.T.); (J.K.)
- Correspondence:
| | - Joana S. Correia
- Department of Materials, Imperial College London, London SW7 2AZ, UK; (J.S.C.); (A.E.P.); (T.K.G.)
| | - Adam E. Frampton
- Department of Surgery and Cancer, Imperial College, London W12 0HS, UK; (A.E.F.); (M.P.L.); (J.C.); (L.T.); (J.K.)
- Department of Clinical and Experimental Medicine, University of Surrey, Guildford GU2 7XH, UK
| | - Mark P. Lythgoe
- Department of Surgery and Cancer, Imperial College, London W12 0HS, UK; (A.E.F.); (M.P.L.); (J.C.); (L.T.); (J.K.)
| | - James Clark
- Department of Surgery and Cancer, Imperial College, London W12 0HS, UK; (A.E.F.); (M.P.L.); (J.C.); (L.T.); (J.K.)
| | - Laura Tookman
- Department of Surgery and Cancer, Imperial College, London W12 0HS, UK; (A.E.F.); (M.P.L.); (J.C.); (L.T.); (J.K.)
| | - Silvia Ottaviani
- Department of Biosciences, Nottingham Trent University, Nottingham NG1 4FQ, UK;
| | | | - Alexandra E. Porter
- Department of Materials, Imperial College London, London SW7 2AZ, UK; (J.S.C.); (A.E.P.); (T.K.G.)
| | - Theoni K. Georgiou
- Department of Materials, Imperial College London, London SW7 2AZ, UK; (J.S.C.); (A.E.P.); (T.K.G.)
| | - Jonathan Krell
- Department of Surgery and Cancer, Imperial College, London W12 0HS, UK; (A.E.F.); (M.P.L.); (J.C.); (L.T.); (J.K.)
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5
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Constantinou AP, Nele V, Doutch JJ, S. Correia J, Moiseev RV, Cihova M, Gaboriau DCA, Krell J, Khutoryanskiy VV, Stevens MM, Georgiou TK. Investigation of the Thermogelation of a Promising Biocompatible ABC Triblock Terpolymer and Its Comparison with Pluronic F127. Macromolecules 2022; 55:1783-1799. [PMID: 35431333 PMCID: PMC9007541 DOI: 10.1021/acs.macromol.1c02123] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/27/2022] [Indexed: 01/15/2023]
Abstract
![]()
Thermoresponsive polymers with the
appropriate structure form physical
networks upon changes in temperature, and they find utility in formulation
science, tissue engineering, and drug delivery. Here, we report a
cost-effective biocompatible alternative, namely OEGMA30015-b-BuMA26-b-DEGMA13, which forms gels at low concentrations (as low as 2% w/w);
OEGMA300, BuMA, and DEGMA stand for oligo(ethylene glycol) methyl
ether methacrylate (MM = 300 g mol–1), n-butyl methacrylate, and di(ethylene glycol) methyl ether methacrylate,
respectively. This polymer is investigated in depth and is compared
to its commercially available counterpart, Poloxamer P407 (Pluronic
F127). To elucidate the differences in their macroscale gelling behavior,
we investigate their nanoscale self-assembly by means of small-angle
neutron scattering and simultaneously recording their rheological
properties. Two different gelation mechanisms are revealed. The triblock
copolymer inherently forms elongated micelles, whose length increases
by temperature to form worm-like micelles, thus promoting gelation.
In contrast, Pluronic F127’s micellization is temperature-driven,
and its gelation is attributed to the close packing of the micelles.
The gel structure is analyzed through cryogenic scanning and transmission
electron microscopy. Ex vivo gelation study upon intracameral injections
demonstrates excellent potential for its application to improve drug
residence in the eye.
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Affiliation(s)
| | - Valeria Nele
- Department of Materials, Imperial College London, London SW7 2AZ, UK
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - James J. Doutch
- ISIS Neutron and Muon Source, STFC, Rutherford Appleton Laboratory, Didcot OX11 ODE, UK
| | - Joana S. Correia
- Department of Materials, Imperial College London, London SW7 2AZ, UK
| | - Roman V. Moiseev
- Reading School of Pharmacy, University of Reading, Whiteknights, P.O. Box 224, Reading RG66AD, UK
| | - Martina Cihova
- Department of Materials, Imperial College London, London SW7 2AZ, UK
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
| | - David C. A. Gaboriau
- Facility for Imaging by Light Microscopy, NHLI, Imperial College London, London SW7 2AZ, UK
| | - Jonathan Krell
- Department of Surgery & Cancer, Imperial College London, London SW7 2AZ, UK
| | - Vitaliy V. Khutoryanskiy
- Reading School of Pharmacy, University of Reading, Whiteknights, P.O. Box 224, Reading RG66AD, UK
| | - Molly M. Stevens
- Department of Materials, Imperial College London, London SW7 2AZ, UK
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK
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6
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Machado-Santos AR, Alves ND, Araújo B, Correia JS, Patrício P, Mateus-Pinheiro A, Loureiro-Campos E, Bessa JM, Sousa N, Pinto L. Astrocytic plasticity at the dorsal dentate gyrus on an animal model of recurrent depression. Neuroscience 2019; 454:94-104. [PMID: 31747562 DOI: 10.1016/j.neuroscience.2019.10.032] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 10/15/2019] [Accepted: 10/16/2019] [Indexed: 10/25/2022]
Abstract
Astrocytes are now known to play crucial roles in the central nervous system, supporting and closely interacting with neurons and therefore able to modulate brain function. Both human postmortem studies in brain samples from patients diagnosed with Major Depressive Disorder and from animal models of depression reported numerical and morphological astrocytic changes specifically in the hippocampus. In particular, these studies revealed significant reductions in glial cell density denoted by a decreased number of S100B-positive cells and a decrease in GFAP expression in several brain regions including the hippocampus. To reveal plastic astrocytic changes in the context of recurrent depression, we longitudinally assessed dynamic astrocytic alterations (gene expression, cell densities and morphologic variations) in the hippocampal dentate gyrus under repeated exposure to unpredictable chronic mild stress (uCMS) and upon treatment with two antidepressants, fluoxetine and imipramine. Both antidepressants decreased astrocytic complexity immediately after stress exposure. Moreover, we show that astrocytic alterations, particularly an increased number of S100B-positive cells, are observed after recurrent stress exposure. Interestingly, these alterations were prevented at the long-term by either fluoxetine or imipramine treatment.
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Affiliation(s)
- Ana R Machado-Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Nuno D Alves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Bruna Araújo
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Joana S Correia
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Patrícia Patrício
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - António Mateus-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Eduardo Loureiro-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - João M Bessa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Luísa Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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7
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Fernandes SI, Carvalho RJ, Santos LM, Sá FM, Antunes JA, Mendes AS, Correia JS, Saraiva MF, Martins HA, Morais JC. Transient Cortical Blindness Following Coronary Angiography. JACC Case Rep 2019; 1:188-191. [PMID: 34316782 PMCID: PMC8301523 DOI: 10.1016/j.jaccas.2019.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 06/17/2019] [Accepted: 06/19/2019] [Indexed: 11/18/2022]
Abstract
Transient cortical blindness (TCB) is an uncommon complication following coronary angiography. This report describes a case of TCB after coronary angiography in a patient admitted for acute myocardial infarction. The patient’s vision recovered completely within 16 h, and cardiac magnetic resonance imaging performed 2 months later revealed no significant abnormalities. (Level of Difficulty: Beginner.)
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Affiliation(s)
- Sara I.L. Fernandes
- Address for correspondence: Dr. Sara I.L. Fernandes, Cardiology Department, Leiria Hospitalar Center, EPE-Hospital de Santo André, Rua das Olhalvas, 2410-197 Leiria, Portugal.
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8
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Alves ND, Patrício P, Correia JS, Mateus-Pinheiro A, Machado-Santos AR, Loureiro-Campos E, Morais M, Bessa JM, Sousa N, Pinto L. Chronic stress targets adult neurogenesis preferentially in the suprapyramidal blade of the rat dorsal dentate gyrus. Brain Struct Funct 2017; 223:415-428. [DOI: 10.1007/s00429-017-1490-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 07/29/2017] [Indexed: 12/14/2022]
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9
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Morais M, Patrício P, Mateus-Pinheiro A, Alves ND, Machado-Santos AR, Correia JS, Pereira J, Pinto L, Sousa N, Bessa JM. The modulation of adult neuroplasticity is involved in the mood-improving actions of atypical antipsychotics in an animal model of depression. Transl Psychiatry 2017; 7:e1146. [PMID: 28585931 PMCID: PMC5537642 DOI: 10.1038/tp.2017.120] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 04/24/2017] [Accepted: 04/28/2017] [Indexed: 11/09/2022] Open
Abstract
Depression is a prevalent psychiatric disorder with an increasing impact in global public health. However, a large proportion of patients treated with currently available antidepressant drugs fail to achieve remission. Recently, antipsychotic drugs have received approval for the treatment of antidepressant-resistant forms of major depression. The modulation of adult neuroplasticity, namely hippocampal neurogenesis and neuronal remodeling, has been considered to have a key role in the therapeutic effects of antidepressants. However, the impact of antipsychotic drugs on these neuroplastic mechanisms remains largely unexplored. In this study, an unpredictable chronic mild stress protocol was used to induce a depressive-like phenotype in rats. In the last 3 weeks of stress exposure, animals were treated with two different antipsychotics: haloperidol (a classical antipsychotic) and clozapine (an atypical antipsychotic). We demonstrated that clozapine improved both measures of depressive-like behavior (behavior despair and anhedonia), whereas haloperidol aggravated learned helplessness in the forced-swimming test and behavior flexibility in a cognitive task. Importantly, an upregulation of adult neurogenesis and neuronal survival was observed in animals treated with clozapine, whereas haloperidol promoted a downregulation of these processes. Furthermore, clozapine was able to re-establish the stress-induced impairments in neuronal structure and gene expression in the hippocampus and prefrontal cortex. These results demonstrate the modulation of adult neuroplasticity by antipsychotics in an animal model of depression, revealing that the atypical antipsychotic drug clozapine reverts the behavioral effects of chronic stress by improving adult neurogenesis, cell survival and neuronal reorganization.
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Affiliation(s)
- M Morais
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - P Patrício
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - A Mateus-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - N D Alves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - A R Machado-Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - J S Correia
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - J Pereira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - L Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - N Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - J M Bessa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal,Life and Health Science Research Institute (ICVS), School of Health Sciences, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal. E-mail:
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Alves ND, Correia JS, Patrício P, Mateus-Pinheiro A, Machado-Santos AR, Loureiro-Campos E, Morais M, Bessa JM, Sousa N, Pinto L. Adult hippocampal neuroplasticity triggers susceptibility to recurrent depression. Transl Psychiatry 2017; 7:e1058. [PMID: 28291258 PMCID: PMC5416672 DOI: 10.1038/tp.2017.29] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Accepted: 01/09/2017] [Indexed: 12/21/2022] Open
Abstract
Depression is a highly prevalent and recurrent neuropsychiatric disorder associated with alterations in emotional and cognitive domains. Neuroplastic phenomena are increasingly considered central to the etiopathogenesis of and recovery from depression. Nevertheless, a high number of remitted patients experience recurrent episodes of depression, remaining unclear how previous episodes impact on behavior and neuroplasticity and/or whether modulation of neuroplasticity is important to prevent recurrent depression. Through re-exposure to an unpredictable chronic mild stress protocol in rats, we observed the re-appearance of emotional and cognitive deficits. Furthermore, treatment with the antidepressants fluoxetine and imipramine was effective to promote sustained reversion of a depressive-like phenotype; however, their differential impact on adult hippocampal neuroplasticity triggered a distinct response to stress re-exposure: while imipramine re-established hippocampal neurogenesis and neuronal dendritic arborization contributing to resilience to recurrent depressive-like behavior, stress re-exposure in fluoxetine-treated animals resulted in an overproduction of adult-born neurons along with neuronal atrophy of granule neurons, accounting for an increased susceptibility to recurrent behavioral changes typical of depression. Strikingly, cell proliferation arrest compromised the behavior resilience induced by imipramine and buffered the susceptibility to recurrent behavioral changes promoted by fluoxetine. This study shows that previous exposure to a depressive-like episode impacts on the behavioral and neuroanatomical changes triggered by subsequent re-exposure to similar experimental conditions and reveals that the proper control of adult hippocampal neuroplasticity triggered by antidepressants is essential to counteract recurrent depressive-like episodes.
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Affiliation(s)
- N D Alves
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - J S Correia
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - P Patrício
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - A Mateus-Pinheiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - A R Machado-Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - E Loureiro-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - M Morais
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - J M Bessa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - N Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - L Pinto
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal,Dr L Pinto, Life and Health Sciences Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal. E-mail:
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Pierrat B, Correia JS, Mary JL, Tomás-Zuber M, Lesslauer W. RSK-B, a novel ribosomal S6 kinase family member, is a CREB kinase under dominant control of p38alpha mitogen-activated protein kinase (p38alphaMAPK). J Biol Chem 1998; 273:29661-71. [PMID: 9792677 DOI: 10.1074/jbc.273.45.29661] [Citation(s) in RCA: 133] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A novel ribosomal S6 kinase (RSK) family member, RSK-B, was identified in a p38alphaMAPK-baited intracellular interaction screen. RSK-B presents two catalytic domains typical for the RSK family. The protein kinase C-like N-terminal and the calcium/calmodulin kinase-like C-terminal domains both contain conserved ATP-binding and activation consensus sequences. RSK-B is a p38alphaMAPK substrate, and activated by p38alphaMAPK and, more weakly, by ERK1. RSK-B phosphorylates the cAMP response element-binding protein (CREB) and c-Fos peptides. In intracellular assays, RSK-B drives cAMP response element- and AP1-dependent reporter expression. RSK-B locates to the cell nucleus and co-translocates p38alphaMAPK. In conclusion, RSK-B is a novel CREB kinase under dominant p38alphaMAPK control, also phosphorylating additional substrates.
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Affiliation(s)
- B Pierrat
- Department of Preclinical Research, Central Nervous System Diseases, F. Hoffmann-LaRoche Ltd., CH-4070 Basel, Switzerland
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