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Rajan A, Fame RM. Brain development and bioenergetic changes. Neurobiol Dis 2024; 199:106550. [PMID: 38849103 DOI: 10.1016/j.nbd.2024.106550] [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: 04/15/2024] [Revised: 05/29/2024] [Accepted: 06/01/2024] [Indexed: 06/09/2024] Open
Abstract
Bioenergetics describe the biochemical processes responsible for energy supply in organisms. When these changes become dysregulated in brain development, multiple neurodevelopmental diseases can occur, implicating bioenergetics as key regulators of neural development. Historically, the discovery of disease processes affecting individual stages of brain development has revealed critical roles that bioenergetics play in generating the nervous system. Bioenergetic-dependent neurodevelopmental disorders include neural tube closure defects, microcephaly, intellectual disability, autism spectrum disorders, epilepsy, mTORopathies, and oncogenic processes. Developmental timing and cell-type specificity of these changes determine the long-term effects of bioenergetic disease mechanisms on brain form and function. Here, we discuss key metabolic regulators of neural progenitor specification, neuronal differentiation (neurogenesis), and gliogenesis. In general, transitions between glycolysis and oxidative phosphorylation are regulated in early brain development and in oncogenesis, and reactive oxygen species (ROS) and mitochondrial maturity play key roles later in differentiation. We also discuss how bioenergetics interface with the developmental regulation of other key neural elements, including the cerebrospinal fluid brain environment. While questions remain about the interplay between bioenergetics and brain development, this review integrates the current state of known key intersections between these processes in health and disease.
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Affiliation(s)
- Arjun Rajan
- Developmental Biology Graduate Program, Stanford University, Stanford, CA 94305, USA
| | - Ryann M Fame
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA.
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Armeli F, Mengoni B, Laskin DL, Businaro R. Interplay among Oxidative Stress, Autophagy, and the Endocannabinoid System in Neurodegenerative Diseases: Role of the Nrf2- p62/SQSTM1 Pathway and Nutraceutical Activation. Curr Issues Mol Biol 2024; 46:6868-6884. [PMID: 39057052 PMCID: PMC11276139 DOI: 10.3390/cimb46070410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/27/2024] [Accepted: 06/29/2024] [Indexed: 07/28/2024] Open
Abstract
The onset of neurodegenerative diseases involves a complex interplay of pathological mechanisms, including protein aggregation, oxidative stress, and impaired autophagy. This review focuses on the intricate connection between oxidative stress and autophagy in neurodegenerative disorders, highlighting autophagy as pivotal in disease pathogenesis. Reactive oxygen species (ROS) play dual roles in cellular homeostasis and autophagy regulation, with disruptions of redox signaling contributing to neurodegeneration. The activation of the Nrf2 pathway represents a critical antioxidant mechanism, while autophagy maintains cellular homeostasis by degrading altered cell components. The interaction among p62/SQSTM1, Nrf2, and Keap1 forms a regulatory pathway essential for cellular stress response, whose dysregulation leads to impaired autophagy and aggregate accumulation. Targeting the Nrf2-p62/SQSTM1 pathway holds promise for therapeutic intervention, mitigating oxidative stress and preserving cellular functions. Additionally, this review explores the potential synergy between the endocannabinoid system and Nrf2 signaling for neuroprotection. Further research is needed to elucidate the involved molecular mechanisms and develop effective therapeutic strategies against neurodegeneration.
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Affiliation(s)
- Federica Armeli
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Corso della Repubblica, 79, 04100 Latina, Italy; (F.A.); (B.M.)
| | - Beatrice Mengoni
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Corso della Repubblica, 79, 04100 Latina, Italy; (F.A.); (B.M.)
| | - Debra L. Laskin
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854, USA;
| | - Rita Businaro
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Corso della Repubblica, 79, 04100 Latina, Italy; (F.A.); (B.M.)
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Donval A, Hernandez Puente CV, Lainé A, Roman D, Vessely R, Leclercq J, Perron M, Locker M. Awakening adult neural stem cells: NOX signalling as a positive regulator of the quiescence-to-proliferation transition in the Xenopus retina. Development 2024; 151:dev201463. [PMID: 38108453 DOI: 10.1242/dev.201463] [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: 11/22/2022] [Accepted: 12/07/2023] [Indexed: 12/19/2023]
Abstract
A growing wealth of data suggest that reactive oxygen species (ROS) signalling might be crucial in conferring embryonic or adult stem cells their specific properties. However, how stem cells control ROS production and scavenging, and how ROS in turn contribute to stemness, remain poorly understood. Using the Xenopus retina as a model system, we first investigated the redox status of retinal stem cells (RSCs). We discovered that they exhibit higher ROS levels compared with progenitors and retinal neurons, and express a set of specific redox genes. We next addressed the question of ROS functional involvement in these cells. Using pharmacological or genetic tools, we demonstrate that inhibition of NADPH oxidase-dependent ROS production increases the proportion of quiescent RSCs. Surprisingly, this is accompanied by an apparent acceleration of the mean division speed within the remaining proliferating pool. Our data further unveil that such impact on RSC cell cycling is achieved by modulation of the Wnt/Hedgehog signalling balance. Altogether, we highlight that RSCs exhibit distinctive redox characteristics and exploit NADPH oxidase signalling to limit quiescence and fine-tune their proliferation rate.
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Affiliation(s)
- Alicia Donval
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
| | | | - Anaïs Lainé
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
| | - Diana Roman
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
| | - Romain Vessely
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
| | - Julien Leclercq
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
| | - Muriel Perron
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
| | - Morgane Locker
- Université Paris-Saclay, CNRS, Institut des Neurosciences Paris-Saclay, 91400 Saclay, France
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Osakabe N, Modafferi S, Ontario ML, Rampulla F, Zimbone V, Migliore MR, Fritsch T, Abdelhameed AS, Maiolino L, Lupo G, Anfuso CD, Genovese E, Monzani D, Wenzel U, Calabrese EJ, Vabulas RM, Calabrese V. Polyphenols in Inner Ear Neurobiology, Health and Disease: From Bench to Clinics. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2045. [PMID: 38004094 PMCID: PMC10673256 DOI: 10.3390/medicina59112045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/25/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023]
Abstract
There is substantial experimental and clinical interest in providing effective ways to both prevent and slow the onset of hearing loss. Auditory hair cells, which occur along the basilar membrane of the cochlea, often lose functionality due to age-related biological alterations, as well as from exposure to high decibel sounds affecting a diminished/damaged auditory sensitivity. Hearing loss is also seen to take place due to neuronal degeneration before or following hair cell destruction/loss. A strategy is necessary to protect hair cells and XIII cranial/auditory nerve cells prior to injury and throughout aging. Within this context, it was proposed that cochlea neural stem cells may be protected from such aging and environmental/noise insults via the ingestion of protective dietary supplements. Of particular importance is that these studies typically display a hormetic-like biphasic dose-response pattern that prevents the occurrence of auditory cell damage induced by various model chemical toxins, such as cisplatin. Likewise, the hormetic dose-response also enhances the occurrence of cochlear neural cell viability, proliferation, and differentiation. These findings are particularly important since they confirmed a strong dose dependency of the significant beneficial effects (which is biphasic), whilst having a low-dose beneficial response, whereas extensive exposures may become ineffective and/or potentially harmful. According to hormesis, phytochemicals including polyphenols exhibit biphasic dose-response effects activating low-dose antioxidant signaling pathways, resulting in the upregulation of vitagenes, a group of genes involved in preserving cellular homeostasis during stressful conditions. Modulation of the vitagene network through polyphenols increases cellular resilience mechanisms, thus impacting neurological disorder pathophysiology. Here, we aimed to explore polyphenols targeting the NF-E2-related factor 2 (Nrf2) pathway to neuroprotective and therapeutic strategies that can potentially reduce oxidative stress and inflammation, thus preventing auditory hair cell and XIII cranial/auditory nerve cell degeneration. Furthermore, we explored techniques to enhance their bioavailability and efficacy.
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Affiliation(s)
- Naomi Osakabe
- Department of Bioscience and Engineering, Shibaura Institute Technology, Saitama 337-8570, Japan;
| | - Sergio Modafferi
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Francesco Rampulla
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Vincenzo Zimbone
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Maria Rita Migliore
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | | | - Ali S. Abdelhameed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Luigi Maiolino
- Department of Medical, Surgical Advanced Technologies “G. F. Ingrassia”, University of Catania, 95125 Catania, Italy;
| | - Gabriella Lupo
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Carmelina Daniela Anfuso
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
| | - Elisabetta Genovese
- Department of Maternal and Child and Adult Medical and Surgical Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Daniele Monzani
- Department of Surgery, Dentistry, Paediatrics and Gynaecology, University of Verona, 37100 Verona, Italy;
| | - Uwe Wenzel
- Institut für Ernährungswissenschaft, Justus Liebig Universitat Giessen, 35392 Giessen, Germany
| | - Edward J. Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA;
| | - R. Martin Vabulas
- Charité-Universitätsmedizin Berlin, Institute of Biochemistry, Charitéplatz 1, 10117 Berlin, Germany;
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (S.M.); (M.L.O.); (F.R.); (V.Z.); (M.R.M.); (G.L.); (C.D.A.)
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Panova IG, Tatikolov AS. Endogenous and Exogenous Antioxidants as Agents Preventing the Negative Effects of Contrast Media (Contrast-Induced Nephropathy). Pharmaceuticals (Basel) 2023; 16:1077. [PMID: 37630992 PMCID: PMC10458090 DOI: 10.3390/ph16081077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
The use of conventional contrast media for diagnostic purposes (in particular, Gd-containing and iodinated agents) causes a large number of complications, the most common of which is contrast-induced nephropathy. It has been shown that after exposure to contrast agents, oxidative stress often occurs in patients, especially in people suffering from various diseases. Antioxidants in the human body can diminish the pathological consequences of the use of contrast media by suppressing oxidative stress. This review considers the research studies on the role of antioxidants in preventing the negative consequences of the use of contrast agents in diagnostics (mainly contrast-induced nephropathy) and the clinical trials of different antioxidant drugs against contrast-induced nephropathy. Composite antioxidant/contrast systems as theranostic agents are also considered.
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Affiliation(s)
- Ina G. Panova
- International Scientific and Practical Center of Tissue Proliferation, 29/14 Prechistenka Str., 119034 Moscow, Russia;
| | - Alexander S. Tatikolov
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 4 Kosygin Str., 119334 Moscow, Russia
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6
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Urrutia PJ, González-Billault C. A Role for Second Messengers in Axodendritic Neuronal Polarity. J Neurosci 2023; 43:2037-2052. [PMID: 36948585 PMCID: PMC10039749 DOI: 10.1523/jneurosci.1065-19.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 03/24/2023] Open
Abstract
Neuronal polarization is a complex molecular process regulated by intrinsic and extrinsic mechanisms. Nerve cells integrate multiple extracellular cues to generate intracellular messengers that ultimately control cell morphology, metabolism, and gene expression. Therefore, second messengers' local concentration and temporal regulation are crucial elements for acquiring a polarized morphology in neurons. This review article summarizes the main findings and current understanding of how Ca2+, IP3, cAMP, cGMP, and hydrogen peroxide control different aspects of neuronal polarization, and highlights questions that still need to be resolved to fully understand the fascinating cellular processes involved in axodendritic polarization.
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Affiliation(s)
- Pamela J Urrutia
- Department of Biology, Faculty of Sciences, Universidad de Chile, Santiago, Chile 7800003
- School of Medical Technology, Faculty of Medicine and Science, Universidad San Sebastián, Santiago, Chile 7510157
| | - Christian González-Billault
- Department of Biology, Faculty of Sciences, Universidad de Chile, Santiago, Chile 7800003
- Department of Neurosciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile 8380453
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile 7800003
- Buck Institute for Research on Aging, Novato, California 94945
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7
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Tiberi J, Cesarini V, Stefanelli R, Canterini S, Fiorenza MT, Rosa PL. Sex differences in antioxidant defence and the regulation of redox homeostasis in physiology and pathology. Mech Ageing Dev 2023; 211:111802. [PMID: 36958540 DOI: 10.1016/j.mad.2023.111802] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 03/25/2023]
Abstract
Reactive oxygen species (ROS) is a term that defines a group of unstable compounds derived from exogenous sources or endogenous metabolism. Under physiological conditions, low levels of ROS play a key role in the regulation of signal transduction- or transcription-mediated cellular responses. In contrast, excessive and uncontrolled loading of ROS results in a pathological state known as oxidative stress (OS), a leading contributor to aging and a pivotal factor for the onset and progression of many disorders. Evolution has endowed cells with an antioxidant system involved in stabilizing ROS levels to a specific threshold, preserving ROS-induced signalling function and limiting negative side effects. In mammals, a great deal of evidence indicates that females defence against ROS is more proficient than males, determining a longer lifespan and lower incidence of most chronic diseases. In this review, we will summarize the most recent sex-related differences in the regulation of redox homeostasis. We will highlight the peculiar aspects of the antioxidant defence in sex-biased diseases whose onset or progression is driven by OS, and we will discuss the molecular, genetic, and evolutionary determinants of female proficiency to cope with ROS.
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Affiliation(s)
- Jessica Tiberi
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; PhD program in Behavioral Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Valeriana Cesarini
- Department of Biomedicine Institute of Translational Pharmacology (IFT), National Research Council (CNR), Rome, Italy
| | - Roberta Stefanelli
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy
| | - Sonia Canterini
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; European Center for Brain Research, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Maria Teresa Fiorenza
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; European Center for Brain Research, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Piergiorgio La Rosa
- Division of Neuroscience, Department of Psychology, Sapienza University of Rome, Rome, Italy; European Center for Brain Research, IRCCS Fondazione Santa Lucia, Rome, Italy.
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8
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Rodrigues AF, Tavares APM, Simões S, Silva RPFF, Sobrino T, Figueiredo BR, Sales G, Ferreira L. Engineering graphene-based electrodes for optical neural stimulation. NANOSCALE 2023; 15:687-706. [PMID: 36515425 DOI: 10.1039/d2nr05256c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Graphene-based materials (GBMs) have been investigated in recent years with the aim of developing flexible interfaces to address a range of neurological disorders, where electrical stimulation may improve brain function and tissue regeneration. The recent discovery that GBM electrodes can generate an electrical response upon light exposure has inspired the development of non-genetic approaches capable of selectively modulating brain cells without genetic manipulation (i.e., optogenetics). Here, we propose the conjugation of graphene with upconversion nanoparticles (UCNPs), which enable wireless transcranial activation using tissue-penetrating near-infrared (NIR) radiation. Following a design of experiments approach, we first investigated the influence of different host matrices and dopants commonly used to synthesize UCNPs in the electrical response of graphene. Two UCNP formulations achieving optimal enhancement of electrical conductivity upon NIR activation at λ = 780 or 980 nm were identified. These formulations were then covalently attached to graphene nanoplatelets following selective hydroxyl derivatization. The resulting nanocomposites were evaluated in vitro using SH-SY5Y human neuroblastoma cells. NIR activation at λ = 980 nm promoted cell proliferation and downregulated neuronal and glial differentiation markers, suggesting the potential application of GBMs in minimally invasive stimulation of cells for tissue regeneration.
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Affiliation(s)
- Artur Filipe Rodrigues
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, 3000-517 Coimbra, Portugal.
| | - Ana P M Tavares
- BioMark@UC, Department of Chemical Engineering, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Susana Simões
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, 3000-517 Coimbra, Portugal.
| | - Rui P F F Silva
- Graphenest S.A., Edifício Vouga Park, 3740-070 Paradela do Vouga, Portugal
| | - Tomás Sobrino
- NeuroAging Laboratory, Clinical Neurosciences Research Laboratory, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Bruno R Figueiredo
- Graphenest S.A., Edifício Vouga Park, 3740-070 Paradela do Vouga, Portugal
| | - Goreti Sales
- BioMark@UC, Department of Chemical Engineering, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Lino Ferreira
- CNC - Center for Neurosciences and Cell Biology, University of Coimbra, 3000-517 Coimbra, Portugal.
- Faculty of Medicine, Pólo das Ciências da Saúde, Unidade Central, University of Coimbra, 3000-354 Coimbra, Portugal
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Błażewicz A, Grabrucker AM. Metal Profiles in Autism Spectrum Disorders: A Crosstalk between Toxic and Essential Metals. Int J Mol Sci 2022; 24:ijms24010308. [PMID: 36613749 PMCID: PMC9820494 DOI: 10.3390/ijms24010308] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/15/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Since hundreds of years ago, metals have been recognized as impacting our body's physiology. As a result, they have been studied as a potential cure for many ailments as well as a cause of acute or chronic poisoning. However, the link between aberrant metal levels and neuropsychiatric illnesses such as schizophrenia and neurodevelopmental disorders, such as autism spectrum disorders (ASDs), is a relatively new finding, despite some evident ASD-related consequences of shortage or excess of specific metals. In this review, we will summarize past and current results explaining the pathomechanisms of toxic metals at the cellular and molecular levels that are still not fully understood. While toxic metals may interfere with dozens of physiological processes concurrently, we will focus on ASD-relevant activity such as inflammation/immune activation, mitochondrial malfunction, increased oxidative stress, impairment of axonal myelination, and synapse formation and function. In particular, we will highlight the competition with essential metals that may explain why both the presence of certain toxic metals and the absence of certain essential metals have emerged as risk factors for ASD. Although often investigated separately, through the agonistic and antagonistic effects of metals, a common metal imbalance may result in relation to ASD.
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Affiliation(s)
- Anna Błażewicz
- Department of Pathobiochemistry and Interdisciplinary Applications of Ion Chromatography, Medical University of Lublin, 20-093 Lublin, Poland
| | - Andreas M. Grabrucker
- Department of Biological Sciences, University of Limerick, V94 T9PX Limerick, Ireland
- Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland
- Health Research Institute (HRI), University of Limerick, V94 T9PX Limerick, Ireland
- Correspondence: ; Tel.: +353-61-237756
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Gao L, Jin N, Ye Z, Ma T, Huang Y, Li H, Du J, Li Z. A possible connection between reactive oxygen species and the unfolded protein response in lens development: From insight to foresight. Front Cell Dev Biol 2022; 10:820949. [PMID: 36211466 PMCID: PMC9535091 DOI: 10.3389/fcell.2022.820949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 08/31/2022] [Indexed: 11/28/2022] Open
Abstract
The lens is a relatively special and simple organ. It has become an ideal model to study the common developmental characteristics among different organic systems. Lens development is a complex process influenced by numerous factors, including signals from the intracellular and extracellular environment. Reactive oxygen species (ROS) are a group of highly reactive and oxygen-containing molecules that can cause endoplasmic reticulum stress in lens cells. As an adaptive response to ER stress, lens cells initiate the unfolded protein response (UPR) to maintain normal protein synthesis by selectively increasing/decreasing protein synthesis and increasing the degradation of misfolded proteins. Generally, the UPR signaling pathways have been well characterized in the context of many pathological conditions. However, recent studies have also confirmed that all three UPR signaling pathways participate in a variety of developmental processes, including those of the lens. In this review, we first briefly summarize the three stages of lens development and present the basic profiles of ROS and the UPR. We then discuss the interconnections between lens development and these two mechanisms. Additionally, the potential adoption of human pluripotent stem-cell-based lentoids in lens development research is proposed to provide a novel perspective on future developmental studies.
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Affiliation(s)
- Lixiong Gao
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ni Jin
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
- Department of Endocrinology, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, The Chinese PLA General Hospital, Beijing, China
| | - Zi Ye
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Tianju Ma
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yang Huang
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Hongyu Li
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jinlin Du
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhaohui Li
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Zhaohui Li,
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11
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Downregulation of krüppel-like factor 6 expression modulates extravillous trophoblast cell behavior by increasing reactive oxygen species. Placenta 2022; 127:62-72. [PMID: 35973366 DOI: 10.1016/j.placenta.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 08/02/2022] [Accepted: 08/05/2022] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Placental extravillous trophoblasts play a crucial role in the establishment of a healthy pregnancy. Reactive oxygen species (ROS) may contribute to their differentiation and function as mediators in signaling processes or might cause oxidative stress resulting in trophoblast dysfunction. The krüppel-like transcription factor 6 (KLF6) regulates many genes involved in essential cell processes where ROS are also involved. However, whether KLF6 regulates ROS levels has not been previously investigated. MATERIALS AND METHODS KLF6 was silenced by siRNAs in HTR8-SV/neo cells, an extravillous trophoblast model. Total and mitochondrial ROS levels, as well as mitochondrial membrane potential and apoptosis were analyzed by flow cytometry. The expression of genes and proteins of interest were analyzed by qRT-PCR and Western blot, respectively. Cell response to oxidative stress, proliferation, viability, morphology, and migration were evaluated. RESULTS KLF6 downregulation led to an increase in ROS and NOX4 mRNA levels, accompanied by reduced cell proliferation and increased p21 protein expression. Catalase activity, 2-Cys peroxiredoxin protein levels, Nrf2 cytoplasmic localization and hemoxygenase 1 expression, as well as mitochondrial membrane potential and cell apoptosis were not altered suggesting that ROS increase is not associated with cellular damage. Instead, KLF6 silencing induced cytoskeleton modifications and increased cell migration in a ROS-dependent manner. DISCUSSION Present data reveal a novel role of KLF6 on ROS balance and signaling demonstrating that KLF6 downregulation induces an increase in ROS levels that contribute to extravillous trophoblast cell migration.
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Piccirillo S, Magi S, Preziuso A, Serfilippi T, Cerqueni G, Orciani M, Amoroso S, Lariccia V. The Hidden Notes of Redox Balance in Neurodegenerative Diseases. Antioxidants (Basel) 2022; 11:1456. [PMID: 35892658 PMCID: PMC9331713 DOI: 10.3390/antiox11081456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/15/2022] [Accepted: 07/21/2022] [Indexed: 11/16/2022] Open
Abstract
Reactive oxygen species (ROS) are versatile molecules that, even if produced in the background of many biological processes and responses, possess pleiotropic roles categorized in two interactive yet opposite domains. In particular, ROS can either function as signaling molecules that shape physiological cell functions, or act as deleterious end products of unbalanced redox reactions. Indeed, cellular redox status needs to be tightly regulated to ensure proper cellular functioning, and either excessive ROS accumulation or the dysfunction of antioxidant systems can perturb the redox homeostasis, leading to supraphysiological concentrations of ROS and potentially harmful outcomes. Therefore, whether ROS would act as signaling molecules or as detrimental factors strictly relies on a dynamic equilibrium between free radical production and scavenging resources. Of notice, the mammalian brain is particularly vulnerable to ROS-mediated toxicity, because it possesses relatively poor antioxidant defenses to cope with the redox burden imposed by the elevated oxygen consumption rate and metabolic activity. Many features of neurodegenerative diseases can in fact be traced back to causes of oxidative stress, which may influence both the onset and progression of brain demise. This review focuses on the description of the dual roles of ROS as double-edge sword in both physiological and pathological settings, with reference to Alzheimer's and Parkinson's diseases.
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Affiliation(s)
- Silvia Piccirillo
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
| | - Simona Magi
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
| | - Alessandra Preziuso
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
| | - Tiziano Serfilippi
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
| | - Giorgia Cerqueni
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
| | - Monia Orciani
- Department of Clinical and Molecular Sciences-Histology, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy;
| | - Salvatore Amoroso
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
| | - Vincenzo Lariccia
- Department of Biomedical Sciences and Public Health, School of Medicine, University Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy; (S.P.); (A.P.); (T.S.); (G.C.); (S.A.); (V.L.)
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13
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Jagadapillai R, Qiu X, Ojha K, Li Z, El-Baz A, Zou S, Gozal E, Barnes GN. Potential Cross Talk between Autism Risk Genes and Neurovascular Molecules: A Pilot Study on Impact of Blood Brain Barrier Integrity. Cells 2022; 11:2211. [PMID: 35883654 PMCID: PMC9315816 DOI: 10.3390/cells11142211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 12/10/2022] Open
Abstract
Autism Spectrum Disorder (ASD) is a common pediatric neurobiological disorder with up to 80% of genetic etiologies. Systems biology approaches may make it possible to test novel therapeutic strategies targeting molecular pathways to alleviate ASD symptoms. A clinical database of autism subjects was queried for individuals with a copy number variation (CNV) on microarray, Vineland, and Parent Concern Questionnaire scores. Pathway analyses of genes from pathogenic CNVs yielded 659 genes whose protein-protein interactions and mRNA expression mapped 121 genes with maximal antenatal expression in 12 brain regions. A Research Domain Criteria (RDoC)-derived neural circuits map revealed significant differences in anxiety, motor, and activities of daily living skills scores between altered CNV genes and normal microarrays subjects, involving Positive Valence (reward), Cognition (IQ), and Social Processes. Vascular signaling was identified as a biological process that may influence these neural circuits. Neuroinflammation, microglial activation, iNOS and 3-nitrotyrosine increase in the brain of Semaphorin 3F- Neuropilin 2 (Sema 3F-NRP2) KO, an ASD mouse model, agree with previous reports in the brain of ASD individuals. Signs of platelet deposition, activation, release of serotonin, and albumin leakage in ASD-relevant brain regions suggest possible blood brain barrier (BBB) deficits. Disruption of neurovascular signaling and BBB with neuroinflammation may mediate causative pathophysiology in some ASD subgroups. Although preliminary, these data demonstrate the potential for developing novel therapeutic strategies based on clinically derived data, genomics, cognitive neuroscience, and basic neuroscience methods.
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Affiliation(s)
- Rekha Jagadapillai
- Department of Neurology, Pediatric Research Institute, Louisville, KY 40202, USA; (R.J.); (X.Q.); (K.O.)
- University of Louisville Autism Center, Louisville, KY 40217, USA
| | - Xiaolu Qiu
- Department of Neurology, Pediatric Research Institute, Louisville, KY 40202, USA; (R.J.); (X.Q.); (K.O.)
- University of Louisville Autism Center, Louisville, KY 40217, USA
- Department of Pediatrics, Pediatric Research Institute, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Child Health, Jiangxi Provincial Children’s Hospital, Donghu District, Nanchang 330006, China;
| | - Kshama Ojha
- Department of Neurology, Pediatric Research Institute, Louisville, KY 40202, USA; (R.J.); (X.Q.); (K.O.)
- University of Louisville Autism Center, Louisville, KY 40217, USA
| | - Zhu Li
- Department of Neurology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA;
| | - Ayman El-Baz
- Department of Bioengineering, University of Louisville Speed School, Louisville, KY 40292, USA;
| | - Shipu Zou
- Department of Child Health, Jiangxi Provincial Children’s Hospital, Donghu District, Nanchang 330006, China;
| | - Evelyne Gozal
- Department of Pediatrics, Pediatric Research Institute, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Gregory N. Barnes
- Department of Neurology, Pediatric Research Institute, Louisville, KY 40202, USA; (R.J.); (X.Q.); (K.O.)
- University of Louisville Autism Center, Louisville, KY 40217, USA
- Department of Pediatrics, Pediatric Research Institute, University of Louisville School of Medicine, Louisville, KY 40202, USA
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14
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Scuto M, Modafferi S, Rampulla F, Zimbone V, Tomasello M, Spano’ S, Ontario M, Palmeri A, Trovato Salinaro A, Siracusa R, Di Paola R, Cuzzocrea S, Calabrese E, Wenzel U, Calabrese V. Redox modulation of stress resilience by Crocus Sativus L. for potential neuroprotective and anti-neuroinflammatory applications in brain disorders: From molecular basis to therapy. Mech Ageing Dev 2022; 205:111686. [DOI: 10.1016/j.mad.2022.111686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/18/2022] [Accepted: 05/18/2022] [Indexed: 12/13/2022]
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15
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Jaiswal J, Dhayal M. Electrochemically differentiated human MSCs biosensing platform for quantification of nestin and β-III tubulin as whole-cell system. Biosens Bioelectron 2022; 206:114134. [PMID: 35276463 DOI: 10.1016/j.bios.2022.114134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/09/2022] [Accepted: 02/23/2022] [Indexed: 12/14/2022]
Abstract
Polydimethylsiloxane (PDMS) on ITO substrate was used to create a well with conducting surface to adhere human mesenchymal stem cells (hMSCs) and provide electrochemical stimulation for inducing their differentiation into neural-like cells. The cells that received electrochemical stimulation did not show any noticeable change in their viability and proliferation. The cell morphology of the differentiated hMSCs adherent on ITO showed outgrowth and elongation in one dimension, resembling neural-like cells. Immunocytochemistry assessment by quantifying the expression of nestin and β-III tubulin also confirmed the differentiation of hMSCs. These differentiated hMSCs adherent on ITO were used as electrochemical biosensing platform for differential pulse voltammetry (DPV) measurement for selectively quantifying cell surface markers expressed by neural stem cells and mature neurons. The variation of nestin antibodies concentrations from 9 μU to 27 μU showed a linear increase in DPV current with a detection sensitivity of ∼28 nA/μU of antibody. Varying concentrations of β-III tubulin antibodies from 30 μU to 210 μU showed a linear increase in DPV current with a detection sensitivity of ∼2.0 nA/μU of antibody. The highest expression level of cell surface marker corresponding to β-III tubulin in total adherent cells on ITO was calculated. It was in the order of 10-8 U of antibodies/cell, representing the total population of mature neuron cells. This new way of detection may rapidly assess the quantitative expression of cell surface markers/antigens.
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Affiliation(s)
- Juhi Jaiswal
- Nano-Cellular Medicine and Biophysics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi, 221005, Uttar Pradesh, India
| | - Marshal Dhayal
- Nano-Cellular Medicine and Biophysics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (BHU), Varanasi, 221005, Uttar Pradesh, India.
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16
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Jaganjac M, Milkovic L, Zarkovic N, Zarkovic K. Oxidative stress and regeneration. Free Radic Biol Med 2022; 181:154-165. [PMID: 35149216 DOI: 10.1016/j.freeradbiomed.2022.02.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/06/2022] [Indexed: 12/19/2022]
Abstract
Regeneration is the process of replacing/restoring a damaged cell/tissue/organ to its full function and is limited respecting complexity of specific organ structures and the level of differentiation of the cells. Unlike physiological cell turnover, this tissue replacement form is activated upon pathological stimuli such as injury and/or disease that usually involves inflammatory response. To which extent will tissue repair itself depends on many factors and involves different mechanisms. Oxidative stress is one of them, either acute, as in case of traumatic brin injury or chronic, as in case of neurodegeneration, oxidative stress within brain involves lipid peroxidation, which generates reactive aldehydes, such as 4-hydroxynonenal (4-HNE). While 4-HNE is certainly neurotoxic and causes disruption of the blood brain barrier in case of severe injuries, it is also physiologically produced by glial cells, especially astrocytes, but its physiological roles within CNS are not understood. Because 4-HNE can regulate the response of the other cells in the body to stress, enhance their antioxidant capacities, proliferation and differentiation, we could assume that it may also have some beneficial role for neuroregeneration. Therefore, future studies on the relevance of 4-HNE for the interaction between neuronal cells, notably stem cells and reactive astrocytes might reveal novel options to better monitor and treat consequences or brain injuries, neurodegeneration and regeneration.
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Affiliation(s)
- Morana Jaganjac
- Rudjer Boskovic Institute, Laboratory for Oxidative Stress (LabOS), Div. Molecular Medicine, Bijenicka 54, Zagreb, Croatia
| | - Lidija Milkovic
- Rudjer Boskovic Institute, Laboratory for Oxidative Stress (LabOS), Div. Molecular Medicine, Bijenicka 54, Zagreb, Croatia
| | - Neven Zarkovic
- Rudjer Boskovic Institute, Laboratory for Oxidative Stress (LabOS), Div. Molecular Medicine, Bijenicka 54, Zagreb, Croatia.
| | - Kamelija Zarkovic
- University of Zagreb, School of Medicine, Div. of Pathology, Neuropathology Unit, University Hospital Centre Zagreb, Kispaticeva 12, Zagreb, Croatia
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17
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Juriga D, Kalman EE, Toth K, Barczikai D, Szöllősi D, Földes A, Varga G, Zrinyi M, Jedlovszky-Hajdu A, Nagy KS. Analysis of Three-Dimensional Cell Migration in Dopamine-Modified Poly(aspartic acid)-Based Hydrogels. Gels 2022; 8:gels8020065. [PMID: 35200447 PMCID: PMC8870902 DOI: 10.3390/gels8020065] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/12/2022] [Accepted: 01/14/2022] [Indexed: 12/14/2022] Open
Abstract
Several types of promising cell-based therapies for tissue regeneration have been developing worldwide. However, for successful therapeutical application of cells in this field, appropriate scaffolds are also required. Recently, the research for suitable scaffolds has been focusing on polymer hydrogels due to their similarity to the extracellular matrix. The main limitation regarding amino acid-based hydrogels is their difficult and expensive preparation, which can be avoided by using poly(aspartamide) (PASP)-based hydrogels. PASP-based materials can be chemically modified with various bioactive molecules for the final application purpose. In this study, dopamine containing PASP-based scaffolds is investigated, since dopamine influences several cell biological processes, such as adhesion, migration, proliferation, and differentiation, according to the literature. Periodontal ligament cells (PDLCs) of neuroectodermal origin and SH-SY5Y neuroblastoma cell line were used for the in vitro experiments. The chemical structure of the polymers and hydrogels was proved by 1H-NMR and FTIR spectroscopy. Scanning electron microscopical (SEM) images confirmed the suitable pore size range of the hydrogels for cell migration. Cell viability assay was carried out according to a standardized protocol using the WST-1 reagent. To visualize three-dimensional cell distribution in the hydrogel matrix, two-photon microscopy was used. According to our results, dopamine containing PASP gels can facilitate vertical cell penetration from the top of the hydrogel in the depth of around 4 cell layers (~150 μm). To quantify these observations, a detailed image analysis process was developed and firstly introduced in this paper.
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Affiliation(s)
- David Juriga
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
- Correspondence: (D.J.); (K.S.N.)
| | - Eszter Eva Kalman
- Department of Molecular Biology, Semmelweis University, H-1083 Budapest, Hungary;
- Department of Oral Biology, Semmelweis University, H-1089 Budapest, Hungary; (A.F.); (G.V.)
| | - Krisztina Toth
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
- Department of Oral Biology, Semmelweis University, H-1089 Budapest, Hungary; (A.F.); (G.V.)
| | - Dora Barczikai
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
| | - David Szöllősi
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
| | - Anna Földes
- Department of Oral Biology, Semmelweis University, H-1089 Budapest, Hungary; (A.F.); (G.V.)
| | - Gabor Varga
- Department of Oral Biology, Semmelweis University, H-1089 Budapest, Hungary; (A.F.); (G.V.)
| | - Miklos Zrinyi
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
| | - Angela Jedlovszky-Hajdu
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
| | - Krisztina S. Nagy
- Department of Biophysics and Radiation Biology, Semmelweis University, H-1089 Budapest, Hungary; (K.T.); (D.B.); (D.S.); (M.Z.); (A.J.-H.)
- Department of Oral Biology, Semmelweis University, H-1089 Budapest, Hungary; (A.F.); (G.V.)
- Correspondence: (D.J.); (K.S.N.)
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18
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Tau and amyloid beta differentially affect the innate immune genes expression in Drosophila models of Alzheimer's disease and β- D Mannuronic acid (M2000) modulates the dysregulation. Gene 2022; 808:145972. [PMID: 34600048 DOI: 10.1016/j.gene.2021.145972] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 08/16/2021] [Accepted: 09/24/2021] [Indexed: 12/17/2022]
Abstract
Alzheimer's disease (AD) is the most common cause of dementia and neuroinflammation is considered as one of the main culprits. The aim of this study was to evaluate the independent role of Aβ42 and tau on the inflammatory pathway in the Drosophila models of AD and investigating the potential modulating effect of M2000 as a novel NSAIDs in those flies. The expression levels of relish, orthologs of NF-κB, antimicrobial peptide (AMP) including attacin A, diptericin B and a dual oxidase (Duox) as a ROS mediator, were evaluated in both M2000 treated and untreated groups followed by brain histology analysis to assess the extent of neurodegeneration. The potential inhibitory role of M2000 (β-D Mannuronic acid) on the aggregation of tau protein was also investigated in vitro. According to the result, there was a significant induction of Duox, AMPs and its transcription factor expression in both aged and Drosophila models of AD which was in accordance with the increase in the number of vacuoles in the brain section of Drosophila models of AD. Interestingly M2000 treatment revealed a significant reduction in all neurodegeneration indexes; in vivo and anti-aggregating property; in vitro. Findings suggest that M2000 has potential to be an AD therapeutic agent.
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19
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Dopamine signaling impairs ROS modulation by mitochondrial hexokinase in human neural progenitor cells. Biosci Rep 2021; 41:230295. [PMID: 34821365 PMCID: PMC8661505 DOI: 10.1042/bsr20211191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 10/20/2021] [Accepted: 11/09/2021] [Indexed: 12/17/2022] Open
Abstract
Dopamine signaling has numerous roles during brain development. In addition, alterations in dopamine signaling may be also involved in the pathophysiology of psychiatric disorders. Neurodevelopment is modulated in multiple steps by reactive oxygen species (ROS), byproducts of oxidative metabolism that are signaling factors involved in proliferation, differentiation, and migration. Hexokinase (HK), when associated with the mitochondria (mt-HK), is a potent modulator of the generation of mitochondrial ROS in the brain. In the present study, we investigated whether dopamine could affect both the activity and redox function of mt-HK in human neural progenitor cells (NPCs). We found that dopamine signaling via D1R decreases mt-HK activity and impairs ROS modulation, which is followed by an expressive release of H2O2 and impairment in calcium handling by the mitochondria. Nevertheless, mitochondrial respiration is not affected, suggesting specificity for dopamine on mt-HK function. In neural stem cells (NSCs) derived from induced-pluripotent stem cells (iPSCs) of schizophrenia patients, mt-HK is unable to decrease mitochondrial ROS, in contrast with NSCs derived from healthy individuals. Our data point to mitochondrial hexokinase as a novel target of dopaminergic signaling, as well as a redox modulator in human neural progenitor cells, which may be relevant to the pathophysiology of neurodevelopmental disorders such as schizophrenia.
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20
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Lennicke C, Cochemé HM. Redox metabolism: ROS as specific molecular regulators of cell signaling and function. Mol Cell 2021; 81:3691-3707. [PMID: 34547234 DOI: 10.1016/j.molcel.2021.08.018] [Citation(s) in RCA: 357] [Impact Index Per Article: 119.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/02/2021] [Accepted: 08/12/2021] [Indexed: 12/12/2022]
Abstract
Redox reactions are intrinsically linked to energy metabolism. Therefore, redox processes are indispensable for organismal physiology and life itself. The term reactive oxygen species (ROS) describes a set of distinct molecular oxygen derivatives produced during normal aerobic metabolism. Multiple ROS-generating and ROS-eliminating systems actively maintain the intracellular redox state, which serves to mediate redox signaling and regulate cellular functions. ROS, in particular hydrogen peroxide (H2O2), are able to reversibly oxidize critical, redox-sensitive cysteine residues on target proteins. These oxidative post-translational modifications (PTMs) can control the biological activity of numerous enzymes and transcription factors (TFs), as well as their cellular localization or interactions with binding partners. In this review, we describe the diverse roles of redox regulation in the context of physiological cellular metabolism and provide insights into the pathophysiology of diseases when redox homeostasis is dysregulated.
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Affiliation(s)
- Claudia Lennicke
- MRC London Institute of Medical Sciences, Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences, Imperial College London, Hammersmith Hospital Campus, Du Cane Road, London W12 0NN, UK
| | - Helena M Cochemé
- MRC London Institute of Medical Sciences, Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences, Imperial College London, Hammersmith Hospital Campus, Du Cane Road, London W12 0NN, UK.
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21
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Abstract
Significance: The molecular processes that determine Huntington's disease (HD) pathogenesis are not yet fully understood, and until now no effective neuroprotective therapeutic strategies have been developed. Mitochondria are one of most important organelles required for neuronal homeostasis, by providing metabolic pathways relevant for energy production, regulating calcium homeostasis, or controlling free radical generation and cell death. Because augmented reactive oxygen species (ROS) accompanied by mitochondrial dysfunction are relevant early HD mechanisms, targeting these cellular mechanisms may constitute relevant therapeutic approaches. Recent Advances: Previous findings point toward a close relationship between mitochondrial dysfunction and redox changes in HD. Mutant huntingtin (mHTT) can directly interact with mitochondrial proteins, as translocase of the inner membrane 23 (TIM23), disrupting mitochondrial proteostasis and favoring ROS production and HD progression. Furthermore, abnormal brain and muscle redox signaling contributes to altered proteostasis and motor impairment in HD, which can be improved with the mitochondria-targeted antioxidant mitoquinone or resveratrol, an SIRT1 activator that ameliorates mitochondrial biogenesis and function. Critical Issues: Various antioxidants and metabolic enhancers have been studied in HD; however, the real outcome of these molecules is still debatable. New compounds have proven to ameliorate mitochondrial and redox-based signaling pathways in early stages of HD, potentially precluding selective neurodegeneration. Future Directions: Unraveling the molecular etiology of deregulated mitochondrial function and dynamics, and oxidative stress opens new prospects for HD therapeutics. In this review, we explore the role of redox unbalance and mitochondrial dysfunction in HD progression, and further describe advances on clinical trials in HD based on mitochondrial and redox-based therapeutic strategies.
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Affiliation(s)
- Lígia Fão
- Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Ana Cristina Rego
- Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
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22
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Mosleth EF, Vedeler CA, Liland KH, McLeod A, Bringeland GH, Kroondijk L, Berven FS, Lysenko A, Rawlings CJ, Eid KEH, Opsahl JA, Gjertsen BT, Myhr KM, Gavasso S. Cerebrospinal fluid proteome shows disrupted neuronal development in multiple sclerosis. Sci Rep 2021; 11:4087. [PMID: 33602999 PMCID: PMC7892850 DOI: 10.1038/s41598-021-82388-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 01/18/2021] [Indexed: 12/11/2022] Open
Abstract
Despite intensive research, the aetiology of multiple sclerosis (MS) remains unknown. Cerebrospinal fluid proteomics has the potential to reveal mechanisms of MS pathogenesis, but analyses must account for disease heterogeneity. We previously reported explorative multivariate analysis by hierarchical clustering of proteomics data of MS patients and controls, which resulted in two groups of individuals. Grouping reflected increased levels of intrathecal inflammatory response proteins and decreased levels of proteins involved in neural development in one group relative to the other group. MS patients and controls were present in both groups. Here we reanalysed these data and we also reanalysed data from an independent cohort of patients diagnosed with clinically isolated syndrome (CIS), who have symptoms of MS without evidence of dissemination in space and/or time. Some, but not all, CIS patients had intrathecal inflammation. The analyses reported here identified a common protein signature of MS/CIS that was not linked to elevated intrathecal inflammation. The signature included low levels of complement proteins, semaphorin-7A, reelin, neural cell adhesion molecules, inter-alpha-trypsin inhibitor heavy chain H2, transforming growth factor beta 1, follistatin-related protein 1, malate dehydrogenase 1 cytoplasmic, plasma retinol-binding protein, biotinidase, and transferrin, all known to play roles in neural development. Low levels of these proteins suggest that MS/CIS patients suffer from abnormally low oxidative capacity that results in disrupted neural development from an early stage of the disease.
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Affiliation(s)
- Ellen F Mosleth
- Nofima AS, Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway.
- Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK.
| | - Christian Alexander Vedeler
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Neuro-SysMed, Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | - Kristian Hovde Liland
- Nofima AS, Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway
- Faculty of Science and Technology, Norwegian University of Life Sciences, 1430, Ås, Norway
| | - Anette McLeod
- Nofima AS, Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway
- Center for Laboratory Medicine, Østfold Hospital Trust, Grålum, Norway
| | - Gerd Haga Bringeland
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Neuro-SysMed, Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | - Liesbeth Kroondijk
- Neuro-SysMed, Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | | | - Artem Lysenko
- Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
- Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | | | - Karim El-Hajj Eid
- Nofima AS, Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway
- Faculty of Science and Technology, Norwegian University of Life Sciences, 1430, Ås, Norway
| | - Jill Anette Opsahl
- Proteomics Unit (PROBE), Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Bjørn Tore Gjertsen
- Center for Cancer Biomarkers (CCBIO), Department of Clinical Science, Precision Oncology Research Group, University of Bergen, Bergen, Norway
- Department of Medicine, Haematology Section, Haukeland University Hospital, Bergen, Norway
| | - Kjell-Morten Myhr
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Neuro-SysMed, Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | - Sonia Gavasso
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.
- Neuro-SysMed, Department of Neurology, Haukeland University Hospital, Bergen, Norway.
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23
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Terzi A, Alam SMS, Suter DM. ROS Live Cell Imaging During Neuronal Development. J Vis Exp 2021. [PMID: 33645566 DOI: 10.3791/62165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Reactive oxygen species (ROS) are well-established signaling molecules, which are important in normal development, homeostasis, and physiology. Among the different ROS, hydrogen peroxide (H2O2) is best characterized with respect to roles in cellular signaling. H2O2 has been implicated during the development in several species. For example, a transient increase in H2O2 has been detected in zebrafish embryos during the first days following fertilization. Furthermore, depleting an important cellular H2O2 source, NADPH oxidase (NOX), impairs nervous system development such as the differentiation, axonal growth, and guidance of retinal ganglion cells (RGCs) both in vivo and in vitro. Here, we describe a method for imaging intracellular H2O2 levels in cultured zebrafish neurons and whole larvae during development using the genetically encoded H2O2-specific biosensor, roGFP2-Orp1. This probe can be transiently or stably expressed in zebrafish larvae. Furthermore, the ratiometric readout diminishes the probability of detecting artifacts due to differential gene expression or volume effects. First, we demonstrate how to isolate and culture RGCs derived from zebrafish embryos that transiently express roGFP2-Orp1. Then, we use whole larvae to monitor H2O2 levels at the tissue level. The sensor has been validated by the addition of H2O2. Additionally, this methodology could be used to measure H2O2 levels in specific cell types and tissues by generating transgenic animals with tissue-specific biosensor expression. As zebrafish facilitate genetic and developmental manipulations, the approach demonstrated here could serve as a pipeline to test the role of H2O2 during neuronal and general embryonic development in vertebrates.
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Affiliation(s)
- Aslihan Terzi
- Department of Biological Sciences, Purdue University; Purdue Institute for Integrative Neuroscience, Purdue University
| | - S M Sabbir Alam
- Department of Biological Sciences, Purdue University; Purdue Institute for Integrative Neuroscience, Purdue University
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University; Purdue Institute for Integrative Neuroscience, Purdue University; Bindley Bioscience Center, Purdue University;
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24
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Terzi A, Roeder H, Weaver CJ, Suter DM. Neuronal NADPH oxidase 2 regulates growth cone guidance downstream of slit2/robo2. Dev Neurobiol 2020; 81:3-21. [PMID: 33191581 DOI: 10.1002/dneu.22791] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/10/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023]
Abstract
NADPH oxidases (Nox) are membrane-bound multi-subunit protein complexes producing reactive oxygen species (ROS) that regulate many cellular processes. Emerging evidence suggests that Nox-derived ROS also control neuronal development and axonal outgrowth. However, whether Nox act downstream of receptors for axonal growth and guidance cues is presently unknown. To answer this question, we cultured retinal ganglion cells (RGCs) derived from zebrafish embryos and exposed these neurons to netrin-1, slit2, and brain-derived neurotrophic factor (BDNF). To test the role of Nox in cue-mediated growth and guidance, we either pharmacologically inhibited Nox or investigated neurons from mutant fish that are deficient in Nox2. We found that slit2-mediated growth cone collapse, and axonal retraction were eliminated by Nox inhibition. Though we did not see an effect of either BDNF or netrin-1 on growth rates, growth in the presence of netrin-1 was reduced by Nox inhibition. Furthermore, attractive and repulsive growth cone turning in response to gradients of BDNF, netrin-1, and slit2, respectively, were eliminated when Nox was inhibited in vitro. ROS biosensor imaging showed that slit2 treatment increased growth cone hydrogen peroxide levels via mechanisms involving Nox2 activation. We also investigated the possible relationship between Nox2 and slit2/Robo2 signaling in vivo. astray/nox2 double heterozygote larvae exhibited decreased area of tectal innervation as compared to individual heterozygotes, suggesting both Nox2 and Robo2 are required for establishment of retinotectal connections. Our results provide evidence that Nox2 acts downstream of slit2/Robo2 by mediating growth and guidance of developing zebrafish RGC neurons.
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Affiliation(s)
- Aslihan Terzi
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Haley Roeder
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Cory J Weaver
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Birck Nanotechnology Center, Purdue University, West Lafayette, IN, USA
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25
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Parp3 promotes astrocytic differentiation through a tight regulation of Nox4-induced ROS and mTorc2 activation. Cell Death Dis 2020; 11:954. [PMID: 33159039 PMCID: PMC7648797 DOI: 10.1038/s41419-020-03167-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022]
Abstract
Parp3 is a member of the Poly(ADP-ribose) polymerase (Parp) family that has been characterized for its functions in strand break repair, chromosomal rearrangements, mitotic segregation and tumor aggressiveness. Yet its physiological implications remain unknown. Here we report a central function of Parp3 in the regulation of redox homeostasis in continuous neurogenesis in mice. We show that the absence of Parp3 provokes Nox4-induced oxidative stress and defective mTorc2 activation leading to inefficient differentiation of post-natal neural stem/progenitor cells to astrocytes. The accumulation of ROS contributes to the decreased activity of mTorc2 as a result of an oxidation-induced and Fbxw7-mediated ubiquitination and degradation of Rictor. In vivo, mTorc2 signaling is compromised in the striatum of naïve post-natal Parp3-deficient mice and 6 h after acute hypoxia-ischemia. These findings reveal a physiological function of Parp3 in the tight regulation of striatal oxidative stress and mTorc2 during astrocytic differentiation and in the acute phase of hypoxia-ischemia.
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26
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Kostyuk AI, Panova AS, Kokova AD, Kotova DA, Maltsev DI, Podgorny OV, Belousov VV, Bilan DS. In Vivo Imaging with Genetically Encoded Redox Biosensors. Int J Mol Sci 2020; 21:E8164. [PMID: 33142884 PMCID: PMC7662651 DOI: 10.3390/ijms21218164] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/13/2022] Open
Abstract
Redox reactions are of high fundamental and practical interest since they are involved in both normal physiology and the pathogenesis of various diseases. However, this area of research has always been a relatively problematic field in the context of analytical approaches, mostly because of the unstable nature of the compounds that are measured. Genetically encoded sensors allow for the registration of highly reactive molecules in real-time mode and, therefore, they began a new era in redox biology. Their strongest points manifest most brightly in in vivo experiments and pave the way for the non-invasive investigation of biochemical pathways that proceed in organisms from different systematic groups. In the first part of the review, we briefly describe the redox sensors that were used in vivo as well as summarize the model systems to which they were applied. Next, we thoroughly discuss the biological results obtained in these studies in regard to animals, plants, as well as unicellular eukaryotes and prokaryotes. We hope that this work reflects the amazing power of this technology and can serve as a useful guide for biologists and chemists who work in the field of redox processes.
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Affiliation(s)
- Alexander I. Kostyuk
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Anastasiya S. Panova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Aleksandra D. Kokova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Daria A. Kotova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Dmitry I. Maltsev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Federal Center for Cerebrovascular Pathology and Stroke, 117997 Moscow, Russia
| | - Oleg V. Podgorny
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Vsevolod V. Belousov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
- Federal Center for Cerebrovascular Pathology and Stroke, 117997 Moscow, Russia
- Institute for Cardiovascular Physiology, Georg August University Göttingen, D-37073 Göttingen, Germany
| | - Dmitry S. Bilan
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997 Moscow, Russia; (A.I.K.); (A.S.P.); (A.D.K.); (D.A.K.); (D.I.M.); (O.V.P.); (V.V.B.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
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27
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Rust MB, Khudayberdiev S, Pelucchi S, Marcello E. CAPt'n of Actin Dynamics: Recent Advances in the Molecular, Developmental and Physiological Functions of Cyclase-Associated Protein (CAP). Front Cell Dev Biol 2020; 8:586631. [PMID: 33072768 PMCID: PMC7543520 DOI: 10.3389/fcell.2020.586631] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 08/26/2020] [Indexed: 12/11/2022] Open
Abstract
Cyclase-associated protein (CAP) has been discovered three decades ago in budding yeast as a protein that associates with the cyclic adenosine monophosphate (cAMP)-producing adenylyl cyclase and that suppresses a hyperactive RAS2 variant. Since that time, CAP has been identified in all eukaryotic species examined and it became evident that the activity in RAS-cAMP signaling is restricted to a limited number of species. Instead, its actin binding activity is conserved among eukaryotes and actin cytoskeleton regulation emerged as its primary function. However, for many years, the molecular functions as well as the developmental and physiological relevance of CAP remained unknown. In the present article, we will compile important recent progress on its molecular functions that identified CAP as a novel key regulator of actin dynamics, i.e., the spatiotemporally controlled assembly and disassembly of actin filaments (F-actin). These studies unraveled a cooperation with ADF/Cofilin and Twinfilin in F-actin disassembly, a nucleotide exchange activity on globular actin monomers (G-actin) that is required for F-actin assembly and an inhibitory function towards the F-actin assembly factor INF2. Moreover, by focusing on selected model organisms, we will review current literature on its developmental and physiological functions, and we will present studies implicating CAP in human pathologies. Together, this review article summarizes and discusses recent achievements in understanding the molecular, developmental and physiological functions of CAP, which led this protein emerge as a novel CAPt'n of actin dynamics.
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Affiliation(s)
- Marco B Rust
- Molecular Neurobiology Group, Institute of Physiological Chemistry, University of Marburg, Marburg, Germany.,DFG Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, GRK 2213, University of Marburg, Marburg, Germany.,Center for Mind, Brain and Behavior, University of Marburg and Justus-Liebig-University Giessen, Giessen, Germany
| | - Sharof Khudayberdiev
- Molecular Neurobiology Group, Institute of Physiological Chemistry, University of Marburg, Marburg, Germany
| | - Silvia Pelucchi
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Elena Marcello
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
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28
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Mitra S, Kaushik N, Moon IS, Choi EH, Kaushik NK. Utility of Reactive Species Generation in Plasma Medicine for Neuronal Development. Biomedicines 2020; 8:E348. [PMID: 32932745 PMCID: PMC7555638 DOI: 10.3390/biomedicines8090348] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/07/2020] [Accepted: 09/09/2020] [Indexed: 12/13/2022] Open
Abstract
Reactive oxygen species (ROS) are critical signaling molecules for neuronal physiology that stimulate growth and development and play vital roles in several pathways when in a balanced state, but they cause neurodegeneration when unbalanced. As ROS levels above a certain threshold cause the activation of the autophagy system, moderate levels of ROS can be used as treatment strategies. Currently, such treatments are used together with low-level laser or photodynamic therapies, photo-bio modulation, or infrared treatments, in different chronic diseases but not in the treatment of neurodegeneration. Recently, non-thermal plasma has been successfully used in biomedical applications and treatments, and beneficial effects such as differentiation, cell growth, and proliferation, stimulation of ROS based pathways have been observed. Besides the activation of a wide range of biological signaling pathways by generating ROS, plasma application can be an effective treatment in neuronal regeneration, as well as in neuronal diseases. In this review, we summarize the generation and role of ROS in neurons and provide critical insights into their potential benefits on neurons. We also discuss the underlying mechanisms of ROS on neuronal development. Regarding clinical applications, we focus on ROS-based neuronal growth and regeneration strategies and in the usage of non-thermal plasma in neuronal and CNS injury treatments.
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Affiliation(s)
- Sarmistha Mitra
- Plasma Bioscience Research Center/Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea;
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju 38066, Korea;
| | - Neha Kaushik
- Department of Biotechnology, University of Suwon, Hwaseong 18323, Korea;
| | - Il Soo Moon
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju 38066, Korea;
| | - Eun Ha Choi
- Plasma Bioscience Research Center/Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea;
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center/Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea;
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29
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Battaglini M, Marino A, Carmignani A, Tapeinos C, Cauda V, Ancona A, Garino N, Vighetto V, La Rosa G, Sinibaldi E, Ciofani G. Polydopamine Nanoparticles as an Organic and Biodegradable Multitasking Tool for Neuroprotection and Remote Neuronal Stimulation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:35782-35798. [PMID: 32693584 PMCID: PMC8009471 DOI: 10.1021/acsami.0c05497] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Oxidative stress represents a common issue in most neurological diseases, causing severe impairments of neuronal cell physiological activity that ultimately lead to neuron loss of function and cellular death. In this work, lipid-coated polydopamine nanoparticles (L-PDNPs) are proposed both as antioxidant and neuroprotective agents, and as a photothermal conversion platform able to stimulate neuronal activity. L-PDNPs showed the ability to counteract reactive oxygen species (ROS) accumulation in differentiated SH-SY5Y, prevented mitochondrial ROS-induced dysfunctions and stimulated neurite outgrowth. Moreover, for the first time in the literature, the photothermal conversion capacity of L-PDNPs was used to increase the intracellular temperature of neuron-like cells through near-infrared (NIR) laser stimulation, and this phenomenon was thoroughly investigated using a fluorescent temperature-sensitive dye and modeled from a mathematical point of view. It was also demonstrated that the increment in temperature caused by the NIR stimulation of L-PDNPs was able to produce a Ca2+ influx in differentiated SH-SY5Y, being, to the best of our knowledge, the first example of organic nanostructures used in such an approach. This work could pave the way to new and exciting applications of polydopamine-based and of other NIR-responsive antioxidant nanomaterials in neuronal research.
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Affiliation(s)
- Matteo Battaglini
- Smart
Bio-Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
- The
Biorobotics Institute, Scuola Superiore Sant’Anna, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Attilio Marino
- Smart
Bio-Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Alessio Carmignani
- Smart
Bio-Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Christos Tapeinos
- Smart
Bio-Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Valentina Cauda
- Department
of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy
| | - Andrea Ancona
- Department
of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy
| | - Nadia Garino
- Department
of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy
| | - Veronica Vighetto
- Department
of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy
| | - Gabriele La Rosa
- Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Edoardo Sinibaldi
- Bioinspired
Soft Robotics, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Gianni Ciofani
- Smart
Bio-Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
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30
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Terzi A, Suter DM. The role of NADPH oxidases in neuronal development. Free Radic Biol Med 2020; 154:33-47. [PMID: 32370993 DOI: 10.1016/j.freeradbiomed.2020.04.027] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/20/2020] [Accepted: 04/27/2020] [Indexed: 12/15/2022]
Abstract
Reactive oxygen species (ROS) are critical for maintaining cellular homeostasis and function when produced in physiological ranges. Important sources of cellular ROS include NADPH oxidases (Nox), which are evolutionary conserved multi-subunit transmembrane proteins. Nox-mediated ROS regulate variety of biological processes including hormone synthesis, calcium signaling, cell migration, and immunity. ROS participate in intracellular signaling by introducing post-translational modifications to proteins and thereby altering their functions. The central nervous system (CNS) expresses different Nox isoforms during both development and adulthood. Here, we review the role of Nox-mediated ROS during CNS development. Specifically, we focus on how individual Nox isoforms contribute to signaling in neural stem cell maintenance and neuronal differentiation, as well as neurite outgrowth and guidance. We also discuss how ROS regulates the organization and dynamics of the actin cytoskeleton in the neuronal growth cone. Finally, we review recent evidence that Nox-derived ROS modulate axonal regeneration upon nervous system injury.
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Affiliation(s)
- Aslihan Terzi
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, 47907, USA
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, 47907, USA; Bindley Bioscience Center, Purdue University, West Lafayette, IN, 47907, USA.
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31
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Peng Y, Gao P, Shi L, Chen L, Liu J, Long J. Central and Peripheral Metabolic Defects Contribute to the Pathogenesis of Alzheimer's Disease: Targeting Mitochondria for Diagnosis and Prevention. Antioxid Redox Signal 2020; 32:1188-1236. [PMID: 32050773 PMCID: PMC7196371 DOI: 10.1089/ars.2019.7763] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 02/09/2020] [Accepted: 02/10/2020] [Indexed: 12/20/2022]
Abstract
Significance: Epidemiological studies indicate that metabolic disorders are associated with an increased risk for Alzheimer's disease (AD). Metabolic remodeling occurs in the central nervous system (CNS) and periphery, even in the early stages of AD. Mitochondrial dysfunction has been widely accepted as a molecular mechanism underlying metabolic disorders. Therefore, focusing on early metabolic changes, especially from the perspective of mitochondria, could be of interest for early AD diagnosis and intervention. Recent Advances: We and others have identified that the levels of several metabolites are fluctuated in the periphery before their accumulation in the CNS, which plays an important role in the pathogenesis of AD. Mitochondrial remodeling is likely one of the earliest signs of AD, linking nutritional imbalance to cognitive deficits. Notably, by improving mitochondrial function, mitochondrial nutrients efficiently rescue cellular metabolic dysfunction in the CNS and periphery in individuals with AD. Critical Issues: Peripheral metabolic disorders should be intensively explored and evaluated for the early diagnosis of AD. The circulating metabolites derived from mitochondrial remodeling represent novel potential diagnostic biomarkers for AD that are more readily detected than CNS-oriented biomarkers. Moreover, mitochondrial nutrients provide a promising approach to preventing and delaying AD progression. Future Directions: Abnormal mitochondrial metabolism in the CNS and periphery is involved in AD pathogenesis. More clinical studies provide evidence for the suitability and reliability of circulating metabolites and cytokines for the early diagnosis of AD. Targeting mitochondria to rewire cellular metabolism is a promising approach to preventing AD and ameliorating AD-related metabolic disorders.
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Affiliation(s)
- Yunhua Peng
- Center for Mitochondrial Biology & Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Peipei Gao
- Center for Mitochondrial Biology & Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Le Shi
- Center for Mitochondrial Biology & Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Lei Chen
- Center for Mitochondrial Biology & Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Jiankang Liu
- Center for Mitochondrial Biology & Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Jiangang Long
- Center for Mitochondrial Biology & Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, China
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32
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Markitantova YV, Simirskii VN. Role of the Redox System in Initiation of a Regenerative Response of Neural Eye Tissues in Vertebrates. Russ J Dev Biol 2020. [DOI: 10.1134/s106236042001004x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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33
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Spatiotemporal Gradient of Cortical Neuron Death Contributes to Microcephaly in Knock-In Mouse Model of Ligase 4 Syndrome. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:2440-2449. [PMID: 31541646 DOI: 10.1016/j.ajpath.2019.08.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/29/2019] [Accepted: 08/08/2019] [Indexed: 11/20/2022]
Abstract
Cells of the developing central nervous system are particularly susceptible to formation of double-stranded DNA breaks (DSBs) arising from physiological and/or environmental insults. Therefore, efficient repair of DSBs is especially vital for maintaining cellular health and proper functioning in the developing brain. Here, increased expression of DSB initiating and nonhomologous end joining repair machinery in newborn neurons in the developing brains of both mouse and human are demonstrated. In parallel, the first characterization is provided of the brain phenotype in the Lig4R278H/R278H (Lig4R/R) mouse model of DNA Ligase 4 (LIG4) syndrome, in which a hypomorphic Lig4 mutation, originally identified in patients, impedes nonhomologous end joining. It is shown that Lig4R/R mice develop nonprogressive microcephaly, resulting primarily from apoptotic death of newborn neurons that is both spatially and temporally specific during peak cortical neurogenesis. This apoptosis leads to a reduction in neurons throughout the postnatal cerebral cortex, but with a more prominent impact on those of the lower cortical layers. Together, these findings begin to uncover the pathogenesis of microcephaly in LIG4 syndrome and open avenues to more focused investigations on the critical roles of DSB formation and repair in vulnerable neuronal populations of the brain.
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34
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Shaping the Nrf2-ARE-related pathways in Alzheimer's and Parkinson's diseases. Ageing Res Rev 2019; 54:100942. [PMID: 31415806 DOI: 10.1016/j.arr.2019.100942] [Citation(s) in RCA: 171] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 08/02/2019] [Accepted: 08/09/2019] [Indexed: 12/20/2022]
Abstract
A failure in redox homeostasis is a common hallmark of Alzheimer's Disease (AD) and Parkinson's Disease (PD), two age-dependent neurodegenerative disorders (NDD), causing increased oxidative stress, oxidized/damaged biomolecules, altered neuronal function and consequent cell death. Activation of nuclear factor erythroid 2-related factor 2 (Nrf2), a redox-regulated transcription factor, results in upregulation of cytoprotective and antioxidant enzymes/proteins, protecting against oxidative stress. Nrf2 regulation is achieved by various proteins and pathways, at both cytoplasmatic and nuclear level; however, the elaborate network of mechanisms involved in Nrf2 regulation may restrain Nrf2 pathway normal activity. Indeed, altered Nrf2 activity is involved in aging and NDD, such as AD and PD. Therefore, understanding the diversity of Nrf2 control mechanisms and regulatory proteins is of high interest, since more effective NDD therapeutics can be identified. In this review, we first introduce Keap1-Nrf2-ARE structure, function and regulation, with a special focus on the several pathways involved in Nrf2 positive and negative modulation, namely p62, PKC, PI3K/Akt/GSK-3β, NF-kB and p38 MAPK. We then briefly describe the evidences for oxidative stress and Nrf2 pathway deregulation in different stages of NDDs. Finally, we discuss the potential of Nrf2-related pathways as potential therapeutic targets to possibly prevent or slowdown NDD progression.
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35
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Li Z, Jagadapillai R, Gozal E, Barnes G. Deletion of Semaphorin 3F in Interneurons Is Associated with Decreased GABAergic Neurons, Autism-like Behavior, and Increased Oxidative Stress Cascades. Mol Neurobiol 2019; 56:5520-5538. [PMID: 30635860 PMCID: PMC6614133 DOI: 10.1007/s12035-018-1450-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 12/07/2018] [Indexed: 12/11/2022]
Abstract
Autism and epilepsy are diseases which have complex genetic inheritance. Genome-wide association and other genetic studies have implicated at least 500+ genes associated with the occurrence of autism spectrum disorders (ASD) including the human semaphorin 3F (Sema 3F) and neuropilin 2 (NRP2) genes. However, the genetic basis of the comorbid occurrence of autism and epilepsy is unknown. The aberrant development of GABAergic circuitry is a possible risk factor in autism and epilepsy. Molecular biological approaches were used to test the hypothesis that cell-specific genetic variation in mouse homologs affects the formation and function of GABAergic circuitry. The empirical analysis with mice homozygous null for one of these genes, Sema 3F, in GABAergic neurons substantiated these predictions. Notably, deletion of Sema 3F in interneurons but not excitatory neurons during early development decreased the number of interneurons/neurites and mRNAs for cell-specific GABAergic markers and increased epileptogenesis and autistic behaviors. Studies of interneuron cell-specific knockout of Sema 3F signaling suggest that deficient Sema 3F signaling may lead to neuroinflammation and oxidative stress. Further studies of mouse KO models of ASD genes such as Sema 3F or NRP2 may be informative to clinical phenotypes contributing to the pathogenesis in autism and epilepsy patients.
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Affiliation(s)
- Zhu Li
- Department of Neurology, Vanderbilt University School of Medicine, Nashville, TN, USA
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Rekha Jagadapillai
- Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA
| | - Evelyne Gozal
- Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA
| | - Gregory Barnes
- Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY, USA.
- Department of Neurology, University of Louisville School of Medicine, Louisville, KY, USA.
- Pediatric Research Institute, University of Louisville Autism Center, 1405 East Burnett Ave, Louisville, KY, 40217, USA.
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36
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Kim Y, Vadodaria KC, Lenkei Z, Kato T, Gage FH, Marchetto MC, Santos R. Mitochondria, Metabolism, and Redox Mechanisms in Psychiatric Disorders. Antioxid Redox Signal 2019; 31:275-317. [PMID: 30585734 PMCID: PMC6602118 DOI: 10.1089/ars.2018.7606] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 12/21/2018] [Accepted: 12/23/2018] [Indexed: 12/17/2022]
Abstract
Significance: Our current knowledge of the pathophysiology and molecular mechanisms causing psychiatric disorders is modest, but genetic susceptibility and environmental factors are central to the etiology of these conditions. Autism, schizophrenia, bipolar disorder and major depressive disorder show genetic gene risk overlap and share symptoms and metabolic comorbidities. The identification of such common features may provide insights into the development of these disorders. Recent Advances: Multiple pieces of evidence suggest that brain energy metabolism, mitochondrial functions and redox balance are impaired to various degrees in psychiatric disorders. Since mitochondrial metabolism and redox signaling can integrate genetic and environmental environmental factors affecting the brain, it is possible that they are implicated in the etiology and progression of psychiatric disorders. Critical Issue: Evidence for direct links between cellular mitochondrial dysfunction and disease features are missing. Future Directions: A better understanding of the mitochondrial biology and its intracellular connections to the nuclear genome, the endoplasmic reticulum and signaling pathways, as well as its role in intercellular communication in the organism, is still needed. This review focuses on the findings that implicate mitochondrial dysfunction, the resultant metabolic changes and oxidative stress as important etiological factors in the context of psychiatric disorders. We also propose a model where specific pathophysiologies of psychiatric disorders depend on circuit-specific impairments of mitochondrial dysfunction and redox signaling at specific developmental stages.
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Affiliation(s)
- Yeni Kim
- Department of Child and Adolescent Psychiatry, National Center for Mental Health, Seoul, South Korea
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California
| | - Krishna C. Vadodaria
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California
| | - Zsolt Lenkei
- Laboratory of Dynamic of Neuronal Structure in Health and Disease, Institute of Psychiatry and Neuroscience of Paris (UMR_S1266 INSERM, University Paris Descartes), Paris, France
| | - Tadafumi Kato
- Laboratory for Molecular Dynamics of Mental Disorders, RIKEN Center for Brain Science, Wako, Japan
| | - Fred H. Gage
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California
| | - Maria C. Marchetto
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California
| | - Renata Santos
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California
- Laboratory of Dynamic of Neuronal Structure in Health and Disease, Institute of Psychiatry and Neuroscience of Paris (UMR_S1266 INSERM, University Paris Descartes), Paris, France
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Abarzúa S, Ampuero E, Zundert B. Superoxide generation via the NR2B‐NMDAR/RasGRF1/NOX2 pathway promotes dendritogenesis. J Cell Physiol 2019; 234:22985-22995. [DOI: 10.1002/jcp.28859] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 05/03/2019] [Accepted: 05/03/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Sebastian Abarzúa
- Instituto de Ciencias Biomédicas, Facultad de Medicina y Facultad de la Ciencias de la Vida Universidad Andres Bello Santiago Chile
- Centro de Envejecimiento y Regeneración CARE Chile UC Santiago Chile
| | - Estibaliz Ampuero
- Instituto de Ciencias Biomédicas, Facultad de Medicina y Facultad de la Ciencias de la Vida Universidad Andres Bello Santiago Chile
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud Universidad Autónoma de Chile Santiago Chile
| | - Brigitte Zundert
- Instituto de Ciencias Biomédicas, Facultad de Medicina y Facultad de la Ciencias de la Vida Universidad Andres Bello Santiago Chile
- Centro de Envejecimiento y Regeneración CARE Chile UC Santiago Chile
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38
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Ryzhavskii BY, Lebed'ko OA, Lazinskaya OV. Immediate and Delayed Effects of Food Restriction on Some Parameters of Brain Development in Rats. Bull Exp Biol Med 2019; 167:104-110. [PMID: 31177452 DOI: 10.1007/s10517-019-04471-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Indexed: 11/26/2022]
Abstract
The effects of 15-day restriction diet (from 1 to 1.5 months of age) on some parameters of brain development were studied in rats. The immediate and delayed (15 days after transfer to normal ration) effects were evaluated. The immediate effects included a significant decrease of the absolute weights of the brain and hemispheres. The relative weight of the brain was significantly higher. The thickness of the cortex of the parietal lobe proper and its layer I decreased. The absolute weights of the brain and hemispheres were less than in the control 15 days after the rats were transferred to ad libitum feeding, while the relative weight of the brain was higher than in controls. The thickness of the parietal and anterior parietal cortex and the numerical density of neurons in layers II and V did not differ from the control. In the neurons of layers II and V of the anterior parietal and parietal lobe proper the nuclei were larger, while the nucleoli were enlarged in the neurons of these locations and the hippocampus, the shifts being significant in the anterior parietal layer V. The concentrations of RNA in the parietal, anterior parietal, and hippocampal lobe neurons in different groups were similar directly and 15 days after the diet. Changes in the gravimetric and morphometric parameters of the brain were paralleled by the development of oxidative stress.
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Affiliation(s)
- B Ya Ryzhavskii
- Department of Histology, Embryology, and Cytology, Far-Eastern State Medical University, Khabarovsk, Russia.
| | - O A Lebed'ko
- Department of Histology, Embryology, and Cytology, Far-Eastern State Medical University, Khabarovsk, Russia
- Khabarovsk Affiliated Department of Far-Eastern Center of Respiration Physiology and Pathology - Research Institute of Maternity and Childhood Protection, Khabarovsk, Russia
| | - O V Lazinskaya
- Department of Histology, Embryology, and Cytology, Far-Eastern State Medical University, Khabarovsk, Russia
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de-Souza-Ferreira E, Rios-Neto IM, Martins EL, Galina A. Mitochondria-coupled glucose phosphorylation develops after birth to modulate H 2 O 2 release and calcium handling in rat brain. J Neurochem 2019; 149:624-640. [PMID: 31001830 DOI: 10.1111/jnc.14705] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 03/20/2019] [Accepted: 04/11/2019] [Indexed: 12/17/2022]
Abstract
The adult brain is a high-glucose and oxygen-dependent organ, with an extremely organized network of cells and large energy-consuming synapses. To reach this level of organization, early stages in development must include an efficient control of cellular events and regulation of intracellular signaling molecules and ions such as hydrogen peroxide (H2 O2 ) and calcium (Ca2+ ), but in cerebral tissue, these mechanisms of regulation are still poorly understood. Hexokinase (HK) is the first enzyme in the metabolism of glucose and, when bound to mitochondria (mtHK), it has been proposed to have a role in modulation of mitochondrial H2 O2 generation and Ca2+ handling. Here, we have investigated how mtHK modulates these signals in the mitochondrial context during postnatal development of the mouse brain. Using high-resolution respirometry, western blot analysis, spectrometry and resorufin, and Calcium Green fluorescence assays with brain mitochondria purified postnatally from day 1 to day 60, we demonstrate that brain HK increases its coupling to mitochondria and to oxidative phosphorylation to induce a cycle of ADP entry/ATP exit of the mitochondrial matrix that leads to efficient control over H2 O2 generation and Ca2+ uptake during development until reaching plateau at day 21. This contrasts sharply with the antioxidant enzymes, which do not increase as mitochondrial H2 O2 generation escalates. These results suggest that, as its use of glucose increases, the brain couples HK to mitochondria to improve glucose metabolism, redox balance and Ca2+ signaling during development, positioning mitochondria-bound hexokinase as a hub for intracellular signaling control.
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Affiliation(s)
- Eduardo de-Souza-Ferreira
- Laboratory of Bioenergetics and Mitochondrial Physiology, Institute of Medical Biochemistry Leopoldo de Meis, Center for Health Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Izac Miranda Rios-Neto
- Laboratory of Bioenergetics and Mitochondrial Physiology, Institute of Medical Biochemistry Leopoldo de Meis, Center for Health Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eduarda Lopes Martins
- Laboratory of Bioenergetics and Mitochondrial Physiology, Institute of Medical Biochemistry Leopoldo de Meis, Center for Health Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Antonio Galina
- Laboratory of Bioenergetics and Mitochondrial Physiology, Institute of Medical Biochemistry Leopoldo de Meis, Center for Health Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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40
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Elbatreek MH, Pachado MP, Cuadrado A, Jandeleit-Dahm K, Schmidt HHHW. Reactive Oxygen Comes of Age: Mechanism-Based Therapy of Diabetic End-Organ Damage. Trends Endocrinol Metab 2019; 30:312-327. [PMID: 30928357 DOI: 10.1016/j.tem.2019.02.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/12/2019] [Accepted: 02/28/2019] [Indexed: 12/29/2022]
Abstract
Reactive oxygen species (ROS) have been mainly viewed as unwanted by-products of cellular metabolism, oxidative stress, a sign of a cellular redox imbalance, and potential disease mechanisms, such as in diabetes mellitus (DM). Antioxidant therapies, however, have failed to provide clinical benefit. This paradox can be explained by recent discoveries that ROS have mainly essential signaling and metabolic functions and evolutionally conserved physiological enzymatic sources. Disease can occur when ROS accumulate in nonphysiological concentrations, locations, or forms. By focusing on disease-relevant sources and targets of ROS, and leaving ROS physiology intact, precise therapeutic interventions are now possible and are entering clinical trials. Their outcomes are likely to profoundly change our concepts of ROS in DM and in medicine in general.
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Affiliation(s)
- Mahmoud H Elbatreek
- Department of Pharmacology and Personalised Medicine, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.
| | - Mayra P Pachado
- Department of Pharmacology and Personalised Medicine, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Antonio Cuadrado
- Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Instituto de Investigaciones Biomédicas UAM-CSIC, Ciber sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain
| | - Karin Jandeleit-Dahm
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
| | - Harald H H W Schmidt
- Department of Pharmacology and Personalised Medicine, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands.
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41
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Wagner GP, Erkenbrack EM, Love AC. Stress-Induced Evolutionary Innovation: A Mechanism for the Origin of Cell Types. Bioessays 2019; 41:e1800188. [PMID: 30919472 PMCID: PMC7202399 DOI: 10.1002/bies.201800188] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 01/31/2019] [Indexed: 12/16/2022]
Abstract
Understanding the evolutionary role of environmentally induced phenotypic variation (i.e., plasticity) is an important issue in developmental evolution. A major physiological response to environmental change is cellular stress, which is counteracted by generic stress reactions detoxifying the cell. A model, stress-induced evolutionary innovation (SIEI), whereby ancestral stress reactions and their corresponding pathways can be transformed into novel structural components of body plans, such as new cell types, is described. Previous findings suggest that the cell differentiation cascade of a cell type critical to pregnancy in humans, the decidual stromal cell, evolved from a cellular stress reaction. It is hypothesized that the stress reaction in these cells was elicited ancestrally via inflammation caused by embryo attachment. The present study proposes that SIEI is a distinct form of plasticity-based evolutionary change leading to the origin of novel structures rather than adaptive transformation of pre-existing characters.
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Affiliation(s)
- Günter P. Wagner
- Yale Systems Biology Institute, West Haven, CT 06516
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale Medical School, New Haven, CT 06510
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI 48201
| | - Eric M. Erkenbrack
- Yale Systems Biology Institute, West Haven, CT 06516
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520
| | - Alan C. Love
- Department of Philosophy, University of Minnesota, Minneapolis, MN 55455
- Minnesota Center for Philosophy of Science, University of Minnesota, Minneapolis,MN 55455
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42
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Giniatullin A, Petrov A, Giniatullin R. Action of Hydrogen Peroxide on Synaptic Transmission at the Mouse Neuromuscular Junction. Neuroscience 2018; 399:135-145. [PMID: 30593920 DOI: 10.1016/j.neuroscience.2018.12.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/30/2018] [Accepted: 12/17/2018] [Indexed: 12/15/2022]
Abstract
Hydrogen peroxide (H2O2) is one of the reactive oxygen species (ROS), endogenously produced during metabolism, which acts as a second messenger. In skeletal muscles, hypoxia- or hyperthermia-induced increase in H2O2 might affect synaptic transmission by targeting the most redox-sensitive presynaptic compartment (Giniatullin et al., 2006). However, the effects of H2O2 as a signal molecule have not previously been studied in different patterns of the synaptic activity. Here, using optical and microelectrode recording of synaptic vesicle exocytosis, we studied the use-dependent action of low concentrations of H2O2 and other oxidants in the mouse neuromuscular junction. We found that: (i) H2O2 at low micromole concentrations inhibited both spontaneous and evoked transmitter releases from the motor nerve terminals in a use-dependent manner, (ii) the antioxidant N-acetylcysteine (NAC) eliminated these depressant effects, (iii) the influence of H2O2 was not associated with lipid oxidation suggesting a pure signaling action, (iv) the intracellular oxidant Chloramine-T or (v) the glutathione depletion produced similar to H2O2 depressant effects. Taken together, our data revealed the effective inhibition of neurotransmitter release by ROS, which was proportional to the intensity of synaptic activity at the neuromuscular junction. The combination of various oxidants suggested an intracellular location for redox-sensitive sites responsible for modulation of the synaptic transmission in the skeletal muscle.
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Affiliation(s)
| | - Alexey Petrov
- Institute of Neuroscience, Kazan State Medial University, Kazan, Russia; Laboratory of Biophysics of Synaptic Processes, Kazan Institute of Biochemistry and Biophysics, Federal Research Centre "Kazan Scientific Centre of RAS", Kazan, Russia
| | - Rashid Giniatullin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia; A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
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43
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Choi SA, Kim YH, Park YH, Yang HJ, Jeong PS, Cha JJ, Yoon SB, Kim JS, Song BS, Lee JH, Sim BW, Huh JW, Song IS, Lee SR, Kim MK, Kim JM, Bae YS, Imakawa K, Kim SU, Chang KT. Novel crosstalk between Vps26a and Nox4 signaling during neurogenesis. Cell Death Differ 2018; 26:1582-1599. [PMID: 30464227 PMCID: PMC6748115 DOI: 10.1038/s41418-018-0226-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 09/21/2018] [Accepted: 09/28/2018] [Indexed: 12/25/2022] Open
Abstract
Despite numerous studies on the molecular switches governing the conversion of stemness to differentiation in embryonic stem cells (ESCs), little is known about the involvement of the retromer complex. Under neural differentiation conditions, Vps26a deficiency (Vps26a-/-) or knockdown suppressed the loss of stemness and subsequent neurogenesis from ESCs or embryonic carcinoma cells, respectively, as evidenced by the long-lasting expression of stemness markers and the slow appearance of neuronal differentiation markers. Interestingly, relatively low reactive oxygen species (ROS) levels were generated during differentiation of Vps26a-/- ESCs, and treatment with an antioxidant or inhibitor of NADPH oxidase (Nox), a family of ROS-generating enzymes, led to restoration of stemness in wild-type cells to the level of Vps26a-/- cells during neurogenesis. Importantly, a novel interaction between Vps26a and Nox4 linked to the activation of ERK1/2 depended highly on ROS levels during neurogenesis, which were strongly suppressed in differentiating Vps26a-/- ESCs. Moreover, inhibition of phosphorylated ERK1/2 (pERK1/2) resulted in decreased ROS and Nox4 levels, indicating the mutual dependency between pERK1/2 and Nox4-derived ROS during neurogenesis. These results suggest that Vps26a regulates stemness by actively cooperating with the Nox4/ROS/ERK1/2 cascade during neurogenesis. Our findings have important implications for understanding the regulation of stemness via crosstalk between the retromer molecule and redox signaling, and may contribute to the development of ESC-based therapeutic strategies for the mass production of target cells.
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Affiliation(s)
- Seon-A Choi
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Laboratory of Animal Reproduction and Physiology, Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Young-Hyun Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Young-Ho Park
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Hae-Jun Yang
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Pil-Soo Jeong
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae-Jin Cha
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Seung-Bin Yoon
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Ji-Su Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Bong-Seok Song
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Jong-Hee Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Bo-Woong Sim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae-Won Huh
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - In-Sung Song
- Department of Biomedical Sciences, College of Medicine, Ulsan University, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Sang-Rae Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Min-Kyu Kim
- Laboratory of Animal Reproduction and Physiology, Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jin-Man Kim
- College of Medicine, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Yun Soo Bae
- Department of Life Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Kazuhiko Imakawa
- Animal Resource Science Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Ibaraki, 319-0206, Japan.,Institute of Agricultural Sciences, Tokai University, Kumamoto, 862-8652, Japan
| | - Sun-Uk Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea.
| | - Kyu-Tae Chang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea.
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44
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Erkenbrack EM, Maziarz JD, Griffith OW, Liang C, Chavan AR, Nnamani MC, Wagner GP. The mammalian decidual cell evolved from a cellular stress response. PLoS Biol 2018; 16:e2005594. [PMID: 30142145 PMCID: PMC6108454 DOI: 10.1371/journal.pbio.2005594] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 06/29/2018] [Indexed: 11/19/2022] Open
Abstract
Among animal species, cell types vary greatly in terms of number and kind. The number of cell types found within an organism differs considerably between species, and cell type diversity is a significant contributor to differences in organismal structure and function. These observations suggest that cell type origination is a significant source of evolutionary novelty. The molecular mechanisms that result in the evolution of novel cell types, however, are poorly understood. Here, we show that a novel cell type of eutherians mammals, the decidual stromal cell (DSC), evolved by rewiring an ancestral cellular stress response. We isolated the precursor cell type of DSCs, endometrial stromal fibroblasts (ESFs), from the opossum Monodelphis domestica. We show that, in opossum ESFs, the majority of decidual core regulatory genes respond to decidualizing signals but do not regulate decidual effector genes. Rather, in opossum ESFs, decidual transcription factors function in apoptotic and oxidative stress response. We propose that rewiring of cellular stress responses was an important mechanism for the evolution of the eutherian decidual cell type.
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Affiliation(s)
- Eric M. Erkenbrack
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
| | - Jamie D. Maziarz
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
| | - Oliver W. Griffith
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
- School of Biosciences, University of Melbourne, Melbourne, Australia
| | - Cong Liang
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
- Interdepartmental Program in Computational Biology and Bioinformatics, Yale University, New Haven, Connecticut, United States of America
| | - Arun R. Chavan
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
| | - Mauris C. Nnamani
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
| | - Günter P. Wagner
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America
- Systems Biology Institute, Yale University, West Haven, Connecticut, United States of America
- Department of Obstetrics, Gynecology, and Reproductive Science, Yale University Medical School, New Haven, Connecticut, United States of America
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, Michigan, United States of America
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Wilson C, Muñoz-Palma E, González-Billault C. From birth to death: A role for reactive oxygen species in neuronal development. Semin Cell Dev Biol 2018; 80:43-49. [DOI: 10.1016/j.semcdb.2017.09.012] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 09/07/2017] [Accepted: 09/08/2017] [Indexed: 02/07/2023]
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Giummarra L, Crewther SG, Riddell N, Murphy MJ, Crewther DP. Pathway analysis identifies altered mitochondrial metabolism, neurotransmission, structural pathways and complement cascade in retina/RPE/ choroid in chick model of form-deprivation myopia. PeerJ 2018; 6:e5048. [PMID: 29967729 PMCID: PMC6026464 DOI: 10.7717/peerj.5048] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 05/31/2018] [Indexed: 12/15/2022] Open
Abstract
Purpose RNA sequencing analysis has demonstrated bidirectional changes in metabolism, structural and immune pathways during early induction of defocus induced myopia. Thus, the aim of this study was to investigate whether similar gene pathways are also related to the more excessive axial growth, ultrastructural and elemental microanalytic changes seen during the induction and recovery from form-deprivation myopia (FDM) in chicks and predicted by the RIDE model of myopia. Methods Archived genomic transcriptome data from the first three days of induction of monocularly occluded form deprived myopia (FDMI) in chicks was obtained from the GEO database (accession # GSE6543) while data from chicks monocularly occluded for 10 days and then given up to 24 h of normal visual recovery (FDMR) were collected. Gene set enrichment analysis (GSEA) software was used to determine enriched pathways during the induction (FDMI) and recovery (FDMR) from FD. Curated gene-sets were obtained from open access sources. Results Clusters of significant changes in mitochondrial energy metabolism, neurotransmission, ion channel transport, G protein coupled receptor signalling, complement cascades and neuron structure and growth were identified during the 10 days of induction of profound myopia and were found to correlate well with change in axial dimensions. Bile acid and bile salt metabolism pathways (cholesterol/lipid metabolism and sodium channel activation) were significantly upregulated during the first 24 h of recovery from 10 days of FDM. Conclusions The gene pathways altered during induction of FDM are similar to those reported in defocus induced myopia and are established indicators of oxidative stress, osmoregulatory and associated structural changes. These findings are also consistent with the choroidal thinning, axial elongation and hyperosmotic ion distribution patterns across the retina and choroid previously reported in FDM and predicted by RIDE.
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Affiliation(s)
- Loretta Giummarra
- School of Psychology & Public Health, La Trobe University, Melbourne, Victoria, Australia
| | - Sheila G Crewther
- School of Psychology & Public Health, La Trobe University, Melbourne, Victoria, Australia
| | - Nina Riddell
- School of Psychology & Public Health, La Trobe University, Melbourne, Victoria, Australia
| | - Melanie J Murphy
- School of Psychology & Public Health, La Trobe University, Melbourne, Victoria, Australia
| | - David P Crewther
- Centre for Psychopharmacology, Swinburne University of Technology, Hawthorn, Victoria, Australia
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Bothwell MY, Gillette MU. Circadian redox rhythms in the regulation of neuronal excitability. Free Radic Biol Med 2018; 119:45-55. [PMID: 29398284 PMCID: PMC5910288 DOI: 10.1016/j.freeradbiomed.2018.01.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 01/17/2018] [Accepted: 01/22/2018] [Indexed: 02/07/2023]
Abstract
Oxidation-reduction reactions are essential to life as the core mechanisms of energy transfer. A large body of evidence in recent years presents an extensive and complex network of interactions between the circadian and cellular redox systems. Recent advances show that cellular redox state undergoes a ~24-h (circadian) oscillation in most tissues and is conserved across the domains of life. In nucleated cells, the metabolic oscillation is dependent upon the circadian transcription-translation machinery and, vice versa, redox-active proteins and cofactors feed back into the molecular oscillator. In the suprachiasmatic nucleus (SCN), a hypothalamic region of the brain specialized for circadian timekeeping, redox oscillation was found to modulate neuronal membrane excitability. The SCN redox environment is relatively reduced in daytime when neuronal activity is highest and relatively oxidized in nighttime when activity is at its lowest. There is evidence that the redox environment directly modulates SCN K+ channels, tightly coupling metabolic rhythms to neuronal activity. Application of reducing or oxidizing agents produces rapid changes in membrane excitability in a time-of-day-dependent manner. We propose that this reciprocal interaction may not be unique to the SCN. In this review, we consider the evidence for circadian redox oscillation and its interdependencies with established circadian timekeeping mechanisms. Furthermore, we will investigate the effects of redox on ion-channel gating dynamics and membrane excitability. The susceptibility of many different ion channels to modulation by changes in the redox environment suggests that circadian redox rhythms may play a role in the regulation of all excitable cells.
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Affiliation(s)
- Mia Y Bothwell
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Martha U Gillette
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
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Acevedo A, González-Billault C. Crosstalk between Rac1-mediated actin regulation and ROS production. Free Radic Biol Med 2018; 116:101-113. [PMID: 29330095 DOI: 10.1016/j.freeradbiomed.2018.01.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 01/03/2018] [Accepted: 01/05/2018] [Indexed: 02/08/2023]
Abstract
The small RhoGTPase Rac1 is implicated in a variety of events related to actin cytoskeleton rearrangement. Remarkably, another event that is completely different from those related to actin regulation has the same relevance; the Rac1-mediated production of reactive oxygen species (ROS) through NADPH oxidases (NOX). Each outcome involves different Rac1 downstream effectors; on one hand, events related to the actin cytoskeleton require Rac1 to bind to WAVEs proteins and PAKs that ultimately promote actin branching and turnover, on the other, NOX-derived ROS production demands active Rac1 to be bound to a cytosolic activator of NOX. How Rac1-mediated signaling ends up promoting actin-related events, NOX-derived ROS, or both is poorly understood. Rac1 regulators, including scaffold proteins, are known to exert tight control over its functions. Hence, evidence of Rac1 regulatory events leading to both actin remodeling and NOX-mediated ROS generation are discussed. Moreover, cellular functions linked to physiological and pathological conditions that exhibit crosstalk between Rac1 outcomes are analyzed, while plausible roles in neuronal functions (and dysfunctions) are highlighted. Together, discussed evidence shed light on cellular mechanisms which requires Rac1 to direct either actin- and/or ROS-related events, helping to understand crucial roles of Rac1 dual functionality.
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Affiliation(s)
- Alejandro Acevedo
- FONDAP Geroscience Center for Brain Health and Metabolism, Santiago, Chile.
| | - Christian González-Billault
- FONDAP Geroscience Center for Brain Health and Metabolism, Santiago, Chile; Department of Biology, Faculty of Sciences, Universidad de Chile, 7800024, Chile; The Buck Institute for Research on Aging, Novato, USA.
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Sandoval R, Lazcano P, Ferrari F, Pinto-Pardo N, González-Billault C, Utreras E. TNF-α Increases Production of Reactive Oxygen Species through Cdk5 Activation in Nociceptive Neurons. Front Physiol 2018; 9:65. [PMID: 29467671 PMCID: PMC5808211 DOI: 10.3389/fphys.2018.00065] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/18/2018] [Indexed: 12/20/2022] Open
Abstract
The participation of reactive oxygen species (ROS) generated by NOX1 and NOX2/NADPH oxidase has been documented during inflammatory pain. However, the molecular mechanism involved in their activation is not fully understood. We reported earlier a key role of Cyclin-dependent kinase 5 (Cdk5) during inflammatory pain. In particular, we demonstrated that TNF-α increased p35 expression, a Cdk5 activator, causing Cdk5-mediated TRPV1 phosphorylation followed by an increment in Ca2+ influx in nociceptive neurons and increased pain sensation. Here we evaluated if Cdk5 activation mediated by p35 transfection in HEK293 cells or by TNF-α treatment in primary culture of nociceptive neurons could increase ROS production. By immunofluorescence we detected the expression of catalytic subunit (Nox1 and Nox2) and their cytosolic regulators (NOXO1 and p47phox) of NOX1 and NOX2/NADPH oxidase complexes, and their co-localization with Cdk5/p35 in HEK293 cells and in nociceptive neurons. By using a hydrogen peroxide sensor, we detected a significant increase of ROS production in p35 transfected HEK293 cells as compared with control cells. This effect was significantly blocked by VAS2870 (NADPH oxidase inhibitor) or by roscovitine (Cdk5 activity inhibitor). Also by using another ROS probe named DCFH-DA, we found a significant increase of ROS production in nociceptive neurons treated with TNF-α and this effect was also blocked by VAS2870 or by roscovitine treatment. Interestingly, TNF-α increased immunodetection of p35 protein and NOX1 and NOX2/NADPH oxidase complexes in primary culture of trigeminal ganglia neurons. Finally, the cytosolic regulator NOXO1 was significantly translocated to plasma membrane after TNF-α treatment and roscovitine blocked this effect. Altogether these results suggest that Cdk5 activation is implicated in the ROS production by NOX1 and NOX2/NADPH oxidase complexes during inflammatory pain.
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Affiliation(s)
- Rodrigo Sandoval
- Laboratory of Molecular and Cellular Mechanisms of Pain, Department of Biology, Faculty of Science, Universidad de Chile, Santiago, Chile
| | - Pablo Lazcano
- Laboratory of Molecular and Cellular Mechanisms of Pain, Department of Biology, Faculty of Science, Universidad de Chile, Santiago, Chile
| | - Franco Ferrari
- Laboratory of Molecular and Cellular Mechanisms of Pain, Department of Biology, Faculty of Science, Universidad de Chile, Santiago, Chile
| | - Nicolás Pinto-Pardo
- Laboratory of Molecular and Cellular Mechanisms of Pain, Department of Biology, Faculty of Science, Universidad de Chile, Santiago, Chile.,Doctorate in Biomedicine, Universidad de los Andes, Santiago, Chile
| | - Christian González-Billault
- Laboratory of Cellular and Neuronal Dynamics, Department of Biology, Faculty of Science, Universidad de Chile, Santiago, Chile.,Center for Geroscience, Brain Health and Metabolism (GERO), Santiago, Chile.,The Buck Institute for Research on Aging, Novato, CA, United States
| | - Elías Utreras
- Laboratory of Molecular and Cellular Mechanisms of Pain, Department of Biology, Faculty of Science, Universidad de Chile, Santiago, Chile
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Vanoni MA. Structure-function studies of MICAL, the unusual multidomain flavoenzyme involved in actin cytoskeleton dynamics. Arch Biochem Biophys 2017; 632:118-141. [PMID: 28602956 DOI: 10.1016/j.abb.2017.06.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 05/27/2017] [Accepted: 06/05/2017] [Indexed: 12/11/2022]
Abstract
MICAL (from the Molecule Interacting with CasL) indicates a family of multidomain proteins conserved from insects to humans, which are increasingly attracting attention for their participation in the control of actin cytoskeleton dynamics, and, therefore, in the several related key processes in health and disease. MICAL is unique among actin binding proteins because it catalyzes a NADPH-dependent F-actin depolymerizing reaction. This unprecedented reaction is associated with its N-terminal FAD-containing domain that is structurally related to p-hydroxybenzoate hydroxylase, the prototype of aromatic monooxygenases, but catalyzes a strong NADPH oxidase activity in the free state. This review will focus on the known structural and functional properties of MICAL forms in order to provide an overview of the arguments supporting the current hypotheses on the possible mechanism of action of MICAL in the free and F-actin bound state, on the modulating effect of the CH, LIM, and C-terminal domains that follow the catalytic flavoprotein domain on the MICAL activities, as well as that of small molecules and proteins interacting with MICAL.
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Affiliation(s)
- Maria Antonietta Vanoni
- Department of Biosciences, Università degli Studi di Milano, Via Celoria 26, 20133 Milano, Italy.
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