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Vaglio-Garro A, Halasz A, Nováková E, Gasser AS, Zavadskis S, Weidinger A, Kozlov AV. Interplay between Energy Supply and Glutamate Toxicity in the Primary Cortical Culture. Biomolecules 2024; 14:543. [PMID: 38785950 PMCID: PMC11118065 DOI: 10.3390/biom14050543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 05/25/2024] Open
Abstract
Limited substrate availability because of the blood-brain barrier (BBB) has made the brain develop specific molecular mechanisms to survive, using lactate synthesized by astrocytes as a source of energy in neurons. To understand if lactate improves cellular viability and susceptibility to glutamate toxicity, primary cortical cells were incubated in glucose- or lactate-containing media and toxic concentrations of glutamate for 24 h. Cell death was determined by immunostaining and lactate dehydrogenase (LDH) release. Mitochondrial membrane potential and nitric oxide (NO) levels were measured using Tetramethylrhodamine, methyl ester (TMRM) and 4-Amino-5-Methylamino-2',7'-Difluorofluorescein Diacetate (DAF-FM) live staining, respectively. LDH activity was quantified in single cells in the presence of lactate (LDH substrate) and oxamate (LDH inhibitor). Nuclei of cells were stained with DAPI and neurons with MAP2. Based on the distance between neurons and glial cells, they were classified as linked (<10 µm) and non-linked (>10 µm) neurons. Lactate increased cell death rate and the mean value of endogenous NO levels compared to glucose incubations. Mitochondrial membrane potential was lower in the cells cultured with lactate, but this effect was reversed when glutamate was added to the lactate medium. LDH activity was higher in linked neurons compared to non-linked neurons, supporting the hypothesis of the existence of the lactate shuttle between astrocytes and at least a portion of neurons. In conclusion, glucose or lactate can equally preserve primary cortical neurons, but those neurons having a low level of LDH activity and incubated with lactate cannot cover high energetic demand solely with lactate and become more susceptible to glutamate toxicity.
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Affiliation(s)
- Annette Vaglio-Garro
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Andrea Halasz
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
| | - Ema Nováková
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
| | - Andreas Sebastian Gasser
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
| | - Sergejs Zavadskis
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Adelheid Weidinger
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Andrey V. Kozlov
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (A.H.); (E.N.); (A.S.G.); (S.Z.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
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2
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Salvagno M, Sterchele ED, Zaccarelli M, Mrakic-Sposta S, Welsby IJ, Balestra C, Taccone FS. Oxidative Stress and Cerebral Vascular Tone: The Role of Reactive Oxygen and Nitrogen Species. Int J Mol Sci 2024; 25:3007. [PMID: 38474253 DOI: 10.3390/ijms25053007] [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: 01/05/2024] [Revised: 02/29/2024] [Accepted: 03/02/2024] [Indexed: 03/14/2024] Open
Abstract
The brain's unique characteristics make it exceptionally susceptible to oxidative stress, which arises from an imbalance between reactive oxygen species (ROS) production, reactive nitrogen species (RNS) production, and antioxidant defense mechanisms. This review explores the factors contributing to the brain's vascular tone's vulnerability in the presence of oxidative damage, which can be of clinical interest in critically ill patients or those presenting acute brain injuries. The brain's high metabolic rate and inefficient electron transport chain in mitochondria lead to significant ROS generation. Moreover, non-replicating neuronal cells and low repair capacity increase susceptibility to oxidative insult. ROS can influence cerebral vascular tone and permeability, potentially impacting cerebral autoregulation. Different ROS species, including superoxide and hydrogen peroxide, exhibit vasodilatory or vasoconstrictive effects on cerebral blood vessels. RNS, particularly NO and peroxynitrite, also exert vasoactive effects. This review further investigates the neuroprotective effects of antioxidants, including superoxide dismutase (SOD), vitamin C, vitamin E, and the glutathione redox system. Various studies suggest that these antioxidants could be used as adjunct therapies to protect the cerebral vascular tone under conditions of high oxidative stress. Nevertheless, more extensive research is required to comprehensively grasp the relationship between oxidative stress and cerebrovascular tone, and explore the potential benefits of antioxidants as adjunctive therapies in critical illnesses and acute brain injuries.
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Affiliation(s)
- Michele Salvagno
- Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), 1000 Brussels, Belgium
| | - Elda Diletta Sterchele
- Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), 1000 Brussels, Belgium
| | - Mario Zaccarelli
- Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), 1000 Brussels, Belgium
| | - Simona Mrakic-Sposta
- Institute of Clinical Physiology-National Research Council (CNR-IFC), 20133 Milan, Italy
| | - Ian James Welsby
- Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Costantino Balestra
- Environmental, Occupational, Aging (Integrative) Physiology Laboratory, Haute Ecole Bruxelles-Brabant (HE2B), 1160 Brussels, Belgium
- Anatomical Research and Clinical Studies, Vrije Universiteit Brussels (VUB), 1050 Elsene, Belgium
- DAN Europe Research Division (Roseto-Brussels), 1160 Brussels, Belgium
- Motor Sciences Department, Physical Activity Teaching Unit, Université Libre de Bruxelles (ULB), 1050 Brussels, Belgium
| | - Fabio Silvio Taccone
- Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), 1000 Brussels, Belgium
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Mi Z, Ma J, Zeh DJ, Rose ME, Henchir JJ, Liu H, Ma X, Cao G, Dixon CE, Graham SH. Systemic treatment with ubiquitin carboxy terminal hydrolase L1 TAT protein ameliorates axonal injury and reduces functional deficits after traumatic brain injury in mice. Exp Neurol 2024; 373:114650. [PMID: 38092186 PMCID: PMC10939891 DOI: 10.1016/j.expneurol.2023.114650] [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: 06/01/2023] [Revised: 11/17/2023] [Accepted: 12/09/2023] [Indexed: 12/21/2023]
Abstract
Traumatic brain injury (TBI) is often associated with axonal injury that leads to significant motor and cognitive deficits. Ubiquitin carboxy terminal hydrolase L1 (UCHL1) is highly expressed in neurons and loss of its activity plays an important role in the pathogenesis of TBI. Fusion protein was constructed containing wild type (WT) UCHL1 and the HIV trans-activator of transcription capsid protein transduction domain (TAT-UCHL1) that facilitates transport of the protein into neurons after systemic administration. Additional mutant proteins bearing cysteine to alanine UCHL1 mutations at cysteine 152 (C152A TAT-UCHL1) that prevents nitric oxide and reactive lipid binding of C152, and at cysteine 220 (C220A TAT-UCHL1) that inhibits farnesylation of the C220 site were also constructed. WT, C152A, and C220A TAT-UCHL1 proteins administered to mice systemically after controlled cortical impact (CCI) were detectable in brain at 1 h, 4 h and 24 h after CCI by immunoblot. Mice treated with C152A or WT TAT-UCHL1 decreased axonal injury detected by NF200 immunohistochemistry 24 h after CCI, but C220A TAT-UCHL1 treatment had no significant effect. Further study indicated that WT TAT-UCHL1 treatment administered 24 h after CCI alleviated axonal injury as detected by SMI32 immunoreactivity 7 d after CCI, improved motor and cognitive deficits, reduced accumulation of total and K48-linked poly-Ub proteins, and attenuated the increase of the autophagy marker Beclin-1. These results suggest that UCHL1 activity contributes to the pathogenesis of white matter injury, and that restoration of UCHL1 activity by systemic treatment with WT TAT-UCHL1 after CCI may improve motor and cognitive deficits. These results also suggest that farnesylation of the C220 site may be required for the protective effects of UCHL1.
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Affiliation(s)
- Zhiping Mi
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jie Ma
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Dennis J Zeh
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Marie E Rose
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jeremy J Henchir
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurosurgery, University of Pittsburgh, Pittsburgh, PA 15216, USA; Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15216, USA
| | - Hao Liu
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Pathology and Laboratory Medicine, Medical University of South Carolina
| | - Xiecheng Ma
- Department of Neurosurgery, University of Pittsburgh, Pittsburgh, PA 15216, USA; Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15216, USA
| | - Guodong Cao
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - C Edward Dixon
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurosurgery, University of Pittsburgh, Pittsburgh, PA 15216, USA; Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15216, USA
| | - Steven H Graham
- Geriatric Research Educational and Clinical Center, V.A. Pittsburgh Healthcare System, Pittsburgh, PA, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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Vaglio-Garro A, Kozlov AV, Smirnova YD, Weidinger A. Pathological Interplay between Inflammation and Mitochondria Aggravates Glutamate Toxicity. Int J Mol Sci 2024; 25:2276. [PMID: 38396952 PMCID: PMC10889519 DOI: 10.3390/ijms25042276] [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: 01/15/2024] [Revised: 02/06/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Mitochondrial dysfunction and glutamate toxicity are associated with neural disorders, including brain trauma. A review of the literature suggests that toxic and transmission actions of neuronal glutamate are spatially and functionally separated. The transmission pathway utilizes synaptic GluN2A receptors, rapidly released pool of glutamate, evoked release of glutamate mediated by Synaptotagmin 1 and the amount of extracellular glutamate regulated by astrocytes. The toxic pathway utilizes extrasynaptic GluN2B receptors and a cytoplasmic pool of glutamate, which results from the spontaneous release of glutamate mediated by Synaptotagmin 7 and the neuronal 2-oxoglutarate dehydrogenase complex (OGDHC), a tricarboxylic acid (TCA) cycle enzyme. Additionally, the inhibition of OGDHC observed upon neuro-inflammation is due to an excessive release of reactive oxygen/nitrogen species by immune cells. The loss of OGDHC inhibits uptake of glutamate by mitochondria, thus facilitating its extracellular accumulation and stimulating toxic glutamate pathway without affecting transmission. High levels of extracellular glutamate lead to dysregulation of intracellular redox homeostasis and cause ferroptosis, excitotoxicity, and mitochondrial dysfunction. The latter affects the transmission pathway demanding high-energy supply and leading to cell death. Mitochondria aggravate glutamate toxicity due to impairments in the TCA cycle and become a victim of glutamate toxicity, which disrupts oxidative phosphorylation. Thus, therapies targeting the TCA cycle in neurological disorders may be more efficient than attempting to preserve mitochondrial oxidative phosphorylation.
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Affiliation(s)
- Annette Vaglio-Garro
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (Y.D.S.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Andrey V. Kozlov
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (Y.D.S.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Yuliya D. Smirnova
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (Y.D.S.); (A.W.)
- Laboratory of Metagenomics and Food Biotechnology, Voronezh State University of Engineering Technologies, 394036 Voronezh, Russia
| | - Adelheid Weidinger
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, 1200 Vienna, Austria; (A.V.-G.); (Y.D.S.); (A.W.)
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
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5
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Jones TB, Mackey T, Juba AN, Amin K, Atyam A, McDole M, Yancy J, Thomas TC, Buhlman LM. Mild traumatic brain injury in Drosophila melanogaster alters reactive oxygen and nitrogen species in a sex-dependent manner. Exp Neurol 2024; 372:114621. [PMID: 38029809 PMCID: PMC10872660 DOI: 10.1016/j.expneurol.2023.114621] [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: 07/31/2023] [Revised: 11/02/2023] [Accepted: 11/22/2023] [Indexed: 12/01/2023]
Abstract
Traumatic brain injury (TBI) is an outside force causing a modification in brain function and/or structural brain pathology that upregulates brain inducible nitric oxide synthase (iNOS), instigating increased levels of nitric oxide activity which is implicated in secondary pathology leading to behavioral deficits (Hall et al., 2012; Garry et al., 2015; Kozlov et al., 2017). In mammals, TBI-induced NO production activates an immune response and potentiates metabolic crisis through mitochondrial dysfunction coupled with vascular dysregulation; however, the direct influence on pathology is complicated by the activation of numerous secondary cascades and activation of other reactive oxygen species. Drosophila TBI models have demonstrated key features of mammalian TBI, including temporary incapacitation, disorientation, motor deficits, activation of innate immunity (inflammation), and autophagy responses observed immediately after injury (Katzenberger et al., 2013; Barekat et al., 2016; Simon et al., 2017; Anderson et al., 2018; Buhlman et al., 2021b). We hypothesized that acute behavioral phenotypes would be associated with deficits in climbing behavior and increased oxidative stress. Because flies lack mammalian-like cardiovascular and adaptive immune systems, we were able to make our observations in the absence of vascular disruption and adaptive immune system interference in a system where highly targeted interventions can be rapidly evaluated. To demonstrate the induction of injury, ten-day-old transgenic flies received an injury of increasing angles from a modified high impact trauma (HIT) device where angle-dependent increases occurred for acute neurological behavior assessments and twenty-four-hour mortality, and survival was significantly decreased. Injury caused sex-dependent effects on climbing activity and measures of oxidative stress. Specifically, after a single 60-degree HIT, female flies exhibited significant impairments in climbing activity beyond that observed in male flies. We also found that several measures of oxidative stress, including Drosophila NOS (dNOS) expression, protein nitration, and hydrogen peroxide production were significantly decreased in female flies. Interestingly, protein nitration was also decreased in males, but surpassed sham levels with a more severe injury. We also observed decreased autophagy demand in vulnerable dopaminergic neurons in female, but not male flies. In addition, mitophagy initiation was decreased in females. Collectively, our data suggest that TBI in flies induces acute behavioral phenotypes and climbing deficits that are analogous to mammalian TBI. We also observed that various indices of oxidative stress, including dNOS expression, protein tyrosine nitration, and hydrogen peroxide levels, as well as basal levels of autophagy, are altered in response to injury, an effect that is more pronounced in female flies.
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Affiliation(s)
- T Bucky Jones
- College of Graduate Studies, Midwestern University, Glendale, AZ, USA; Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - Tracy Mackey
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - Amber N Juba
- College of Graduate Studies, Midwestern University, Glendale, AZ, USA
| | - Kush Amin
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - Amruth Atyam
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - Madison McDole
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - Jarod Yancy
- Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ, USA
| | - Theresa Currier Thomas
- Department of Child Health, University of Arizona College of Medicine - Phoenix, Phoenix, AZ, USA; Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA; Phoenix VA Health Care System, Phoenix, AZ, USA.
| | - Lori M Buhlman
- College of Graduate Studies, Midwestern University, Glendale, AZ, USA.
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Ren B, Ye H, Shan W, Tao X, Ye Z. Effect of Hyperbaric Oxygen Intervention on Oxidative Stress and Expression of Nerve Growth Factor in Patients with Craniocerebral Injury. J Inflamm Res 2023; 16:4925-4932. [PMID: 37927956 PMCID: PMC10624337 DOI: 10.2147/jir.s422790] [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: 05/24/2023] [Accepted: 10/10/2023] [Indexed: 11/07/2023] Open
Abstract
Objective To examine the impact of hyperbaric oxygen intervention on oxidative stress and nerve growth factor in patients with craniocerebral injury. Methods Using the random number table method, 40 patients with craniocerebral injury who were treated at the First People's Hospital of Nantong were randomly assigned to either the control group or the hyperbaric oxygen group, with 20 patients in each group. The control group received routine intervention for clinical traumatic brain injury, while the hyperbaric oxygen group received additional hyperbaric oxygen intervention during the 7 to 30 days of routine intervention. Indicators of oxidative stress and nerve growth factor levels were compared between the two groups at the time of admission and 30 days after therapy. Results The serum levels of superoxide dismutase, endothelium-derived relaxing factor-nitric oxide, and nerve growth factor in the hyperbaric oxygen group increased more significantly than in the control group. The serum malondialdehyde concentration was also significantly reduced in the hyperbaric oxygen group. Conclusion Hyperbaric oxygen intervention can successfully lower systemic oxidative stress response and increase the expression level of nerve growth factor in patients with craniocerebral injury.
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Affiliation(s)
- Bingyan Ren
- Department of Emergency, the Second Affiliated Hospital of Nantong University, Nantong First People’s Hospital, Nantong, People’s Republic of China
| | - Hanbin Ye
- Department of Neurosurgery, the Second Affiliated Hospital of Nantong University, Nantong First People’s Hospital, Nantong, People’s Republic of China
| | - Wenyuan Shan
- Department of Neurosurgery, the Fourth Affiliated Hospital of Nantong University, Nantong Fourth People’s Hospital, Nantong, People’s Republic of China
| | - Xuelei Tao
- Department of Neurosurgery, Nantong Second People’s Hospital, Nantong, People’s Republic of China
| | - Zi Ye
- Department of Neurosurgery, the Second Affiliated Hospital of Nantong University, Nantong First People’s Hospital, Nantong, People’s Republic of China
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Mi Z, Graham SH. Role of UCHL1 in the pathogenesis of neurodegenerative diseases and brain injury. Ageing Res Rev 2023; 86:101856. [PMID: 36681249 PMCID: PMC9992267 DOI: 10.1016/j.arr.2023.101856] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/15/2023] [Indexed: 01/20/2023]
Abstract
UCHL1 is a multifunctional protein expressed at high concentrations in neurons in the brain and spinal cord. UCHL1 plays important roles in regulating the level of cellular free ubiquitin and redox state as well as the degradation of select proteins. This review focuses on the potential role of UCHL1 in the pathogenesis of neurodegenerative diseases and brain injury and recovery. Subjects addressed in the review include 1) Normal physiological functions of UCHL1. 2) Posttranslational modification sites and splice variants that alter the function of UCHL1 and mouse models with mutations and deletions of UCHL1. 3) The hypothesized role and pathogenic mechanisms of UCHL1 in neurodegenerative diseases and brain injury. 4) Potential therapeutic strategies targeting UCHL1 in these disorders.
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Affiliation(s)
- Zhiping Mi
- Departments of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, United States; Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System, Pittsburgh, PA 15213, United States.
| | - Steven H Graham
- Departments of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, United States; Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System, Pittsburgh, PA 15213, United States.
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Pérez-Boyero D, Hernández-Pérez C, Valero J, Cabedo VL, Alonso JR, Díaz D, Weruaga E. The eNOS isoform exhibits increased expression and activation in the main olfactory bulb of nNOS knock-out mice. Front Cell Neurosci 2023; 17:1120836. [PMID: 37006472 PMCID: PMC10061100 DOI: 10.3389/fncel.2023.1120836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 02/27/2023] [Indexed: 03/18/2023] Open
Abstract
The main olfactory bulb (MOB) is a neural structure that processes olfactory information. Among the neurotransmitters present in the MOB, nitric oxide (NO) is particularly relevant as it performs a wide variety of functions. In this structure, NO is produced mainly by neuronal nitric oxide synthase (nNOS) but also by inducible nitric oxide synthase (iNOS) and endothelial nitric oxide synthase (eNOS). The MOB is considered a region with great plasticity and the different NOS also show great plasticity. Therefore, it could be considered that this plasticity could compensate for various dysfunctional and pathological alterations. We examined the possible plasticity of iNOS and eNOS in the MOB in the absence of nNOS. For this, wild-type and nNOS knock-out (nNOS-KO) mice were used. We assessed whether the absence of nNOS expression could affect the olfactory capacity of mice, followed by the analysis of the expression and distribution of the NOS isoforms using qPCR and immunofluorescence. NO production in MOB was examined using both the Griess and histochemical NADPH-diaphorase reactions. The results indicate nNOS-KO mice have reduced olfactory capacity. We observed that in the nNOS-KO animal, there is an increase both in the expression of eNOS and NADPH-diaphorase, but no apparent change in the level of NO generated in the MOB. It can be concluded that the level of eNOS in the MOB of nNOS-KO is related to the maintenance of normal levels of NO. Therefore, our findings suggest that nNOS could be essential for the proper functioning of the olfactory system.
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Affiliation(s)
- David Pérez-Boyero
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Carlos Hernández-Pérez
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Jorge Valero
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Valeria Lorena Cabedo
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - José Ramón Alonso
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - David Díaz
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- *Correspondence: David Díaz,
| | - Eduardo Weruaga
- Institute for Neuroscience of Castilla and León (INCYL), Universidad de Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Eduardo Weruaga,
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9
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Xu F, Jiang Y, Wang X, Shen L, Yan Y, Guo D, Wang C. Sodium aescinate inhibits microglia activation through NF-κB pathway and exerts neuroprotective effect. Front Pharmacol 2023; 14:1086429. [PMID: 36778008 PMCID: PMC9908748 DOI: 10.3389/fphar.2023.1086429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/16/2023] [Indexed: 01/27/2023] Open
Abstract
Background: Microglia are resident immune cells of the central nervous system that sense environmental changes and maintain central nervous system homeostasis. Dysfunctional microglia produce toxic mediators that lead to neuronal death. Recent studies suggest that Sodium Aescinate has a neuroprotective effect. However, it is unclear whether Sodium Aescinate exerts neuroprotective effects by inhibiting activation of microglia. Method: Traumatic brain injury and lipopolysaccharide neuroinflammation model were used to evaluate the microglia activation in vivo. BV2 and primary microglia cells were used to assess the microglia activation in vitro. Molecular docking technique was used to predict the binding energy of Sodium Aescinate to NF-κB signaling pathway proteins. Result: Sodium Aescinate inhibited microglial activation in-vivo and in-vitro. Sodium Aescinate inhibited the activation of microglia in Traumatic brain injury and lipopolysaccharide mouse models. Sodium Aescinate also inhibited the expression of inflammatory proteins in BV2 and primary microglia cells. Western blot experiment showed that SA inhibited the activation of NF-κB pathway in BV2 and primary microglia cells. Molecular docking results also showed that Sodium Aescinate had a better affinity with the core protein of the NF-κB pathway. Western blot identified that SA inhibited activation of NF-κB pathway. In Traumatic brain injury model and conditioned medium experiment, Sodium Aescinate pretreatment inhibited inflammation and protected neuron. Conclusion: Our study confirmed that the protection effects of Sodium Aescinate on neurons by inhibiting microglia activation through NF-κB pathway.
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Affiliation(s)
- Fei Xu
- Department of Pharmacy, Suzhou Science and Technology Town Hospital, Suzhou, China,Department of Pharmacy, The People’s Hospital of Suzhou New District, Suzhou, China
| | - Yiguo Jiang
- Department of Pharmacy, Suzhou Science and Technology Town Hospital, Suzhou, China
| | - Xiaoyu Wang
- Department of Pharmacy, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Li Shen
- Department of Pharmacy, Suzhou Science and Technology Town Hospital, Suzhou, China
| | - Yan Yan
- Department of Neurology, Suzhou Science and Technology Town Hospital, Suzhou, China
| | - Dongkai Guo
- Department of Pharmacy, Suzhou Science and Technology Town Hospital, Suzhou, China,*Correspondence: Dongkai Guo, ; Cheng Wang,
| | - Cheng Wang
- Department of Pharmacy, Suzhou Science and Technology Town Hospital, Suzhou, China,High-tech Zone social utilities bureau of Suzhou, Suzhou, China,*Correspondence: Dongkai Guo, ; Cheng Wang,
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Abstract
OBJECTIVE Depression is among the most pervasive and debilitating neuropsychiatric sequelae experienced by patients following a traumatic brain injury (TBI). While the individual mechanisms underlying depression and TBI have been widely studied, the neurobiological bases of depression after TBI remain largely unknown. This article highlights the potential mechanisms of action implicated in depression after TBI. RESULTS We review putative mechanisms of action including neuroinflammation, neuroendocrine dysregulation, metabolic abnormalities, and neurotransmitter and circuitry dysfunction. We also identify the current limitations in the field and propose directions for future research. CONCLUSION An improved understanding of the underlying mechanisms will aid the development of precision-guided and personalized treatments for patients suffering from depression after TBI.
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Affiliation(s)
- Aava Bushra Jahan
- Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, US.,Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, US
| | - Kaloyan Tanev
- Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, US
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11
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Sharma HS, Muresanu DF, Nozari A, Lafuente JV, Buzoianu AD, Tian ZR, Huang H, Feng L, Bryukhovetskiy I, Manzhulo I, Wiklund L, Sharma A. Neuroprotective Effects of Nanowired Delivery of Cerebrolysin with Mesenchymal Stem Cells and Monoclonal Antibodies to Neuronal Nitric Oxide Synthase in Brain Pathology Following Alzheimer's Disease Exacerbated by Concussive Head Injury. ADVANCES IN NEUROBIOLOGY 2023; 32:139-192. [PMID: 37480461 DOI: 10.1007/978-3-031-32997-5_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/24/2023]
Abstract
Concussive head injury (CHI) is one of the major risk factors in developing Alzheimer's disease (AD) in military personnel at later stages of life. Breakdown of the blood-brain barrier (BBB) in CHI leads to extravasation of plasma amyloid beta protein (ΑβP) into the brain fluid compartments precipitating AD brain pathology. Oxidative stress in CHI or AD is likely to enhance production of nitric oxide indicating a role of its synthesizing enzyme neuronal nitric oxide synthase (NOS) in brain pathology. Thus, exploration of the novel roles of nanomedicine in AD or CHI reducing NOS upregulation for neuroprotection are emerging. Recent research shows that stem cells and neurotrophic factors play key roles in CHI-induced aggravation of AD brain pathologies. Previous studies in our laboratory demonstrated that CHI exacerbates AD brain pathology in model experiments. Accordingly, it is quite likely that nanodelivery of NOS antibodies together with cerebrolysin and mesenchymal stem cells (MSCs) will induce superior neuroprotection in AD associated with CHI. In this review, co-administration of TiO2 nanowired cerebrolysin - a balanced composition of several neurotrophic factors and active peptide fragments, together with MSCs and monoclonal antibodies (mAb) to neuronal NOS is investigated for superior neuroprotection following exacerbation of brain pathology in AD exacerbated by CHI based on our own investigations. Our observations show that nanowired delivery of cerebrolysin, MSCs and neuronal NOS in combination induces superior neuroprotective in brain pathology in AD exacerbated by CHI, not reported earlier.
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Affiliation(s)
- Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
| | - Dafin F Muresanu
- Department of Clinical Neurosciences, University of Medicine & Pharmacy, Cluj-Napoca, Romania
- "RoNeuro" Institute for Neurological Research and Diagnostic, Cluj-Napoca, Romania
| | - Ala Nozari
- Anesthesiology & Intensive Care, Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - José Vicente Lafuente
- LaNCE, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Bizkaia, Spain
| | - Anca D Buzoianu
- Department of Clinical Pharmacology and Toxicology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Z Ryan Tian
- Department of Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, USA
| | - Hongyun Huang
- Beijing Hongtianji Neuroscience Academy, Beijing, China
| | - Lianyuan Feng
- Department of Neurology, Bethune International Peace Hospital, Shijiazhuang, Hebei Province, China
| | - Igor Bryukhovetskiy
- Department of Fundamental Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
| | - Igor Manzhulo
- Laboratory of Pharmacology, National Scientific Center of Marine Biology, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Lars Wiklund
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
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12
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Fesharaki-Zadeh A. Oxidative Stress in Traumatic Brain Injury. Int J Mol Sci 2022; 23:ijms232113000. [PMID: 36361792 PMCID: PMC9657447 DOI: 10.3390/ijms232113000] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 11/17/2022] Open
Abstract
Traumatic Brain Injury (TBI) remains a major cause of disability worldwide. It involves a complex neurometabolic cascade, including oxidative stress. The products of this manuscript is examining the underlying pathophysiological mechanism, including reactive oxygen species (ROS) and reactive nitrogen species (RNS). This process in turn leads to secondary injury cascade, which includes lipid peroxidation products. These reactions ultimately play a key role in chronic inflammation and synaptic dysfunction in a synergistic fashion. Although there are no FDA approved antioxidant therapy for TBI, there is a number of antioxidant therapies that have been tested and include free radical scavengers, activators of antioxidant systems, inhibitors of free radical generating enzymes, and antioxidant enzymes. Antioxidant therapies have led to cognitive and functional recovery post TBI, and they offer a promising treatment option for patients recovering from TBI. Current major challenges in treatment of TBI symptoms include heterogenous nature of injury, as well as access to timely treatment post injury. The inherent benefits of antioxidant therapies include minimally reported side effects, and relative ease of use in the clinical setting. The current review also provides a highlight of the more studied anti-oxidant regimen with applicability for TBI treatment with potential use in the real clinical setting.
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Affiliation(s)
- Arman Fesharaki-Zadeh
- Yale School of Medicine, Department of Neurology, Yale University, New Haven, CT 06510, USA
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13
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Sowers JL, Sowers ML, Shavkunov AS, Hawkins BE, Wu P, DeWitt DS, Prough DS, Zhang K. Traumatic brain injury induces region-specific glutamate metabolism changes as measured by multiple mass spectrometry methods. iScience 2021; 24:103108. [PMID: 34622161 PMCID: PMC8479783 DOI: 10.1016/j.isci.2021.103108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 06/14/2021] [Accepted: 09/08/2021] [Indexed: 11/02/2022] Open
Abstract
The release of excess glutamate following traumatic brain injury (TBI) results in glutamate excitotoxicity and metabolic energy failure. Endogenous mechanisms for reducing glutamate concentration in the brain parenchyma following TBI are poorly understood. Using multiple mass spectrometry approaches, we examined TBI-induced changes to glutamate metabolism. We present evidence that glutamate concentration can be reduced by glutamate oxidation via a "truncated" tricarboxylic acid cycle coupled to the urea cycle. This process reduces glutamate levels, generates carbon for energy metabolism, leads to citrulline accumulation, and produces nitric oxide. Several key metabolites are identified by metabolomics in support of this mechanism and the locations of these metabolites in the injured hemisphere are demonstrated by MALDI-MS imaging. The results of this study establish the advantages of multiple mass spectrometry approaches and provide insights into glutamate metabolism following TBI that could lead to improved treatment approaches.
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Affiliation(s)
- James L Sowers
- MD-PhD Combined Degree Program, University of Texas Medical Branch, Galveston, TX 77555, USA.,Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX 77555, USA.,The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Mark L Sowers
- MD-PhD Combined Degree Program, University of Texas Medical Branch, Galveston, TX 77555, USA.,Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Alexander S Shavkunov
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Bridget E Hawkins
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX 77555, USA.,The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, TX 77555, USA.,Research Innovation and Scientific Excellence (RISE) Center, School of Nursing, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Ping Wu
- Department of Neuroscience, Cell Biology, and Anatomy, University of Texas Medical Branch, Galveston, TX 77555, USA.,The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Douglas S DeWitt
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX 77555, USA.,The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Donald S Prough
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX 77555, USA.,The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Kangling Zhang
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, USA.,The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, TX 77555, USA
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14
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Pandya JD, Leung LY, Hwang HM, Yang X, Deng-Bryant Y, Shear DA. Time-Course Evaluation of Brain Regional Mitochondrial Bioenergetics in a Pre-Clinical Model of Severe Penetrating Traumatic Brain Injury. J Neurotrauma 2021; 38:2323-2334. [PMID: 33544034 DOI: 10.1089/neu.2020.7379] [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] [Indexed: 11/12/2022] Open
Abstract
Mitochondrial dysfunction is a pivotal target for neuroprotection strategies for traumatic brain injury (TBI). However, comprehensive time-course evaluations of mitochondrial dysfunction are lacking in the pre-clinical penetrating TBI (PTBI) model. The current study was designed to characterize temporal responses of mitochondrial dysfunction from 30 min to 2 weeks post-injury after PTBI. Anesthetized adult male rats were subjected to either PTBI or sham craniectomy (n = 6 animals per group × 7 time points). Animals were euthanized at 30 min, 3 h, 6 h, 24 h, 3 days, 7 days, and 14 days post-PTBI, and mitochondria were isolated from the ipsilateral hemisphere of brain regions near the injury core (i.e., frontal cortex [FC] and striatum [ST]) and a more distant region from the injury core (i.e., hippocampus [HIP]). Mitochondrial bioenergetics parameters were measured in real time using the high-throughput procedures of the Seahorse Flux Analyzer (Agilent Technologies, Santa Clara, CA). The post-injury time course of FC + ST showed a biphasic mitochondrial bioenergetics dysfunction response, indicative of reduced adenosine triphosphate synthesis rate and maximal respiratory capacity after PTBI. An initial phase of energy crisis was detected at 30 min (-42%; p < 0.05 vs. sham), which resolved to baseline levels between 3 and 6 h (non-significant vs. sham). This was followed by a second and more robust phase of bioenergetics dysregulation detected at 24 h that remained unresolved out to 14 days post-injury (-55% to -90%; p < 0.05 vs. sham). In contrast, HIP mitochondria showed a delayed onset of mitochondrial dysfunction at 7 days (-74%; p < 0.05 vs. sham) that remained evident out to 14 days (-51%; p < 0.05 vs. sham) post-PTBI. Collectively, PTBI-induced mitochondrial dysfunction responses were time and region specific, evident differentially at the injury core and distant region of PTBI. The current results provide the basis that mitochondrial dysfunction may be targeted differentially based on region specificity post-PTBI. Even more important, these results suggest that therapeutic interventions targeting mitochondrial dysfunction may require extended dosing regimens to achieve clinical efficacy after TBI.
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Affiliation(s)
- Jignesh D Pandya
- Brain Trauma Neuroprotection (BTN) Branch, Center for Military Psychiatry and Neuroscience (CMPN), Walter Reed Army Institute of Research (WRAIR), Silver Spring, Maryland, USA
| | - Lai Yee Leung
- Brain Trauma Neuroprotection (BTN) Branch, Center for Military Psychiatry and Neuroscience (CMPN), Walter Reed Army Institute of Research (WRAIR), Silver Spring, Maryland, USA
- Department of Surgery, Uniformed Services University of the Health Science (USUHS), Bethesda, Maryland, USA
| | - Hye M Hwang
- Brain Trauma Neuroprotection (BTN) Branch, Center for Military Psychiatry and Neuroscience (CMPN), Walter Reed Army Institute of Research (WRAIR), Silver Spring, Maryland, USA
| | - Xiaofang Yang
- Brain Trauma Neuroprotection (BTN) Branch, Center for Military Psychiatry and Neuroscience (CMPN), Walter Reed Army Institute of Research (WRAIR), Silver Spring, Maryland, USA
| | - Ying Deng-Bryant
- Brain Trauma Neuroprotection (BTN) Branch, Center for Military Psychiatry and Neuroscience (CMPN), Walter Reed Army Institute of Research (WRAIR), Silver Spring, Maryland, USA
| | - Deborah A Shear
- Brain Trauma Neuroprotection (BTN) Branch, Center for Military Psychiatry and Neuroscience (CMPN), Walter Reed Army Institute of Research (WRAIR), Silver Spring, Maryland, USA
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15
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Niu F, Sharma A, Wang Z, Feng L, Muresanu DF, Sahib S, Tian ZR, Lafuente JV, Buzoianu AD, Castellani RJ, Nozari A, Menon PK, Patnaik R, Wiklund L, Sharma HS. Nanodelivery of oxiracetam enhances memory, functional recovery and induces neuroprotection following concussive head injury. PROGRESS IN BRAIN RESEARCH 2021; 265:139-230. [PMID: 34560921 DOI: 10.1016/bs.pbr.2021.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Military personnel are the most susceptible to concussive head injury (CHI) caused by explosion, blast or missile or blunt head trauma. Mild to moderate CHI could induce lifetime functional and cognitive disturbances causing significant decrease in quality of life. Severe CHI leads to instant death and lifetime paralysis. Thus, further exploration of novel therapeutic agents or new features of known pharmacological agents are needed to enhance quality of life of CHI victims. Previous reports from our laboratory showed that mild CHI induced by weight drop technique causing an impact of 0.224N results in profound progressive functional deficit, memory impairment and brain pathology from 5h after trauma that continued over several weeks of injury. In this investigation we report that TiO2 nanowired delivery of oxiracetam (50mg/kg, i.p.) daily for 5 days after CHI resulted in significant improvement of functional deficit on the 8th day. This was observed using Rota Rod treadmill, memory improvement assessed by the time spent in finding hidden platform under water. The motor function improvement is seen in oxiracetam treated CHI group by placing forepaw on an inclined mesh walking and foot print analysis for stride length and distance between hind feet. TiO2-nanowired oxiracetam also induced marked improvements in the cerebral blood flow, reduction in the BBB breakdown and edema formation as well as neuroprotection of neuronal, glial and myelin damages caused by CHI at light and electron microscopy on the 7th day after 5 days TiO2 oxiracetam treatment. Adverse biochemical events such as upregulation of CSF nitrite and nitrate, IL-6, TNF-a and p-Tau are also reduced significantly in oxiracetam treated CHI group. On the other hand post treatment of 100mg/kg dose of normal oxiracetam in identical conditions after CHI is needed to show slight but significant neuroprotection together with mild recovery of memory function and functional deficits on the 8th day. These observations are the first to point out that nanowired delivery of oxiracetam has superior neuroprotective ability in CHI. These results indicate a promising clinical future of TiO2 oxiracetam in treating CHI patients for better quality of life and neurorehabilitation, not reported earlier.
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Affiliation(s)
- Feng Niu
- CSPC NBP Pharmaceutical Medicine, Shijiazhuang, China
| | - Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
| | - Zhenguo Wang
- CSPC NBP Pharmaceutical Medicine, Shijiazhuang, China
| | - Lianyuan Feng
- Department of Neurology, Bethune International Peace Hospital, Shijiazhuang, China
| | - Dafin F Muresanu
- Department of Clinical Neurosciences, University of Medicine & Pharmacy, Cluj-Napoca, Romania; "RoNeuro" Institute for Neurological Research and Diagnostic, Cluj-Napoca, Romania
| | - Seaab Sahib
- Department of Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, United States
| | - Z Ryan Tian
- Department of Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, United States
| | - José Vicente Lafuente
- LaNCE, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Bizkaia, Spain
| | - Anca D Buzoianu
- Department of Clinical Pharmacology and Toxicology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Rudy J Castellani
- Department of Pathology, University of Maryland, Baltimore, MD, United States
| | - Ala Nozari
- Anesthesiology & Intensive Care, Massachusetts General Hospital, Boston, MA, United States
| | - Preeti K Menon
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Ranjana Patnaik
- Department of Biomaterials, School of Biomedical Engineering, Indian Institute of Technology, Banaras Hindu University, Varanasi, India
| | - Lars Wiklund
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
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16
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Farkhondeh T, Samarghandian S, Roshanravan B, Peivasteh-Roudsari L. Impact of Curcumin on Traumatic Brain Injury and Involved Molecular Signaling Pathways. Recent Pat Food Nutr Agric 2021; 11:137-144. [PMID: 31288732 DOI: 10.2174/2212798410666190617161523] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 04/14/2019] [Accepted: 04/23/2019] [Indexed: 02/06/2023]
Abstract
Traumatic Brain Injury (TBI) is one of the main causes of mortality and morbidity worldwide with no suitable treatment. The present study was designed to review the present literature about the protective effects of curcumin and the underlying mechanism against TBI. All published English language papers from beginning to 2019 were selected in this study. The findings indicate that curcumin may be effective against TBI outcomes by modulating the molecular signaling pathways involved in oxidative stress, inflammation, apoptosis, and autophagy. However, more experimental studies should be done to identify all mechanisms involved in the pathogenesis of TBI. Patents for Curcumin and chronic inflammation and traumatic brain injury management (WO2017097805A1 and US9101580B2) were published. In conclusion, the present study confirmed the potential therapeutic impact of curcumin for treating TBI.
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Affiliation(s)
- Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Noncommunicable Disease Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Babak Roshanravan
- Medical Student, Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Leila Peivasteh-Roudsari
- Devision of Food Safety and Hygiene, Department of Environmental Health, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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17
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Wang Q, Mergia E, Koesling D, Mittmann T. Nitric Oxide/Cyclic Guanosine Monophosphate Signaling via Guanylyl Cyclase Isoform 1 Mediates Early Changes in Synaptic Transmission and Brain Edema Formation after Traumatic Brain Injury. J Neurotrauma 2021; 38:1689-1701. [PMID: 33427032 DOI: 10.1089/neu.2020.7364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Traumatic brain injury (TBI) often induces structural damage, disruption of the blood-brain barrier (BBB), neurodegeneration, and dysfunctions of surviving neuronal networks. Nitric oxide (NO) signaling has been suggested to affect brain functions after TBI. The NO exhibits most of its biological effects by activation of the primary targets-guanylyl cyclases (NO-GCs), which exists in two isoforms (NO-GC1 and NO-GC2), and the subsequently produced cyclic guanosine monophosphate (cGMP). However, the specific function of the NO-NO-GCs-cGMP pathway in the context of brain injury is not fully understood. To investigate the specific role of the isoform NO-GC1 early after brain injuries, we performed an in vivo unilateral controlled cortical impact (CCI) in the somatosensory cortex of knockout mice lacking NO-GC1 and their wild-type (WT) littermates. Morphological and electrophysiological changes of cortical neurons located 500 μm distant from the lesion border were studied early (24 h) after TBI. The CCI-operated WT mice exhibited significant BBB disruption, an impairment of dendritic spine morphology, a reduced pre-synaptic glutamate release, and less neuronal activity in the ipsilateral cortical network. The impaired ipsilateral neuronal excitability was associated with increased A-type K+ currents (IA) in the WT mice early after TBI. Interestingly, NO-GC1 KO mice revealed relatively less BBB rupture and a weaker brain edema formation early after TBI. Further, lack of NO-GC1 also prevented the impaired synaptic transmission and network function that were observed in TBI-treated WT mice. These data suggest that NO-GC1 signaling mediates early brain damage and the strength of ipsilateral cortical network in the early phase after TBI.
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Affiliation(s)
- Qi Wang
- Institute of Physiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Evanthia Mergia
- Institute of Pharmacology, Ruhr-University Bochum, Bochum, Germany
| | - Doris Koesling
- Institute of Pharmacology, Ruhr-University Bochum, Bochum, Germany
| | - Thomas Mittmann
- Institute of Physiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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18
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Catarina AV, Branchini G, Bettoni L, De Oliveira JR, Nunes FB. Sepsis-Associated Encephalopathy: from Pathophysiology to Progress in Experimental Studies. Mol Neurobiol 2021; 58:2770-2779. [PMID: 33495934 DOI: 10.1007/s12035-021-02303-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 01/18/2021] [Indexed: 12/14/2022]
Abstract
Sepsis is an organ dysfunction caused by an uncontrolled inflammatory response from the host to an infection. Sepsis is the main cause of morbidity and mortality in intensive care units (ICU) worldwide. One of the first organs to suffer from injuries resulting from sepsis is the brain. The central nervous system (CNS) is particularly vulnerable to damage, mediated by inflammatory and oxidative processes, which can cause the sepsis-associated encephalopathy (SAE), being reported in up to 70% of septic patients. This review aims to bring a summary of the main pathophysiological changes and dysfunctions in SAE, and the main focuses of current experimental studies for new treatments and therapies. The pathophysiology of SAE is complex and multifactorial, combining intertwined processes, and is promoted by countless alterations and dysfunctions resulting from sepsis, such as inflammation, neuroinflammation, oxidative stress, reduced brain metabolism, and injuries to the integrity of the blood-brain barrier (BBB). The treatment is limited once its cause is not completely understood. The patient's sedation is far to provide an adequate treatment to this complex condition. Studies and experimental advances are important for a better understanding of its pathophysiology and for the development of new treatments, medicines, and therapies for the treatment of SAE and to reduce its effects during and after sepsis.
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Affiliation(s)
- Anderson Velasque Catarina
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, RS, 90050-170, Brazil.
| | - Gisele Branchini
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, RS, 90050-170, Brazil
| | - Lais Bettoni
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, RS, 90050-170, Brazil
| | - Jarbas Rodrigues De Oliveira
- Laboratório de Biofísica Celular e Inflamação, Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
| | - Fernanda Bordignon Nunes
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, RS, 90050-170, Brazil.,Laboratório de Biofísica Celular e Inflamação, Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
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19
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Langeh U, Singh S. Targeting S100B Protein as a Surrogate Biomarker and its Role in Various Neurological Disorders. Curr Neuropharmacol 2021; 19:265-277. [PMID: 32727332 PMCID: PMC8033985 DOI: 10.2174/1570159x18666200729100427] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/09/2020] [Accepted: 07/24/2020] [Indexed: 02/07/2023] Open
Abstract
Neurological disorders (ND) are the central nervous system (CNS) related complications originated by enhanced oxidative stress, mitochondrial failure and overexpression of proteins like S100B. S100B is a helix-loop-helix protein with the calcium-binding domain associated with various neurological disorders through activation of the MAPK pathway, increased NF-kB expression resulting in cell survival, proliferation and gene up-regulation. S100B protein plays a crucial role in Alzheimer's disease, Parkinson's disease, multiple sclerosis, Schizophrenia and epilepsy because the high expression of this protein directly targets astrocytes and promotes neuroinflammation. Under stressful conditions, S100B produces toxic effects mediated through receptor for advanced glycation end products (AGE) binding. S100B also mediates neuroprotection, minimizes microgliosis and reduces the expression of tumor necrosis factor (TNF-alpha) but that are concentration- dependent mechanisms. Increased level of S100B is useful for assessing the release of inflammatory markers, nitric oxide and excitotoxicity dependent neuronal loss. The present review summarizes the role of S100B in various neurological disorders and potential therapeutic measures to reduce the prevalence of neurological disorders.
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Affiliation(s)
- Urvashi Langeh
- Department of Neuropharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Shamsher Singh
- Department of Neuropharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India
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20
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Sharma A, Muresanu DF, Castellani RJ, Nozari A, Lafuente JV, Sahib S, Tian ZR, Buzoianu AD, Patnaik R, Wiklund L, Sharma HS. Mild traumatic brain injury exacerbates Parkinson's disease induced hemeoxygenase-2 expression and brain pathology: Neuroprotective effects of co-administration of TiO 2 nanowired mesenchymal stem cells and cerebrolysin. PROGRESS IN BRAIN RESEARCH 2020; 258:157-231. [PMID: 33223035 DOI: 10.1016/bs.pbr.2020.09.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Mild traumatic brain injury (mTBI) is one of the leading predisposing factors in the development of Parkinson's disease (PD). Mild or moderate TBI induces rapid production of tau protein and alpha synuclein (ASNC) in the cerebrospinal fluid (CSF) and in several brain areas. Enhanced tau-phosphorylation and ASNC alters the molecular machinery of the brain leading to PD pathology. Recent evidences show upregulation of constitutive isoform of hemeoxygenase (HO-2) in PD patients that correlates well with the brain pathology. mTBI alone induces profound upregulation of HO-2 immunoreactivity. Thus, it would be interesting to explore whether mTBI exacerbates PD pathology in relation to tau, ASNC and HO-2 expression. In addition, whether neurotrophic factors and stem cells known to reduce brain pathology in TBI could induce neuroprotection in PD following mTBI. In this review role of mesenchymal stem cells (MSCs) and cerebrolysin (CBL), a well-balanced composition of several neurotrophic factors and active peptide fragments using nanowired delivery in PD following mTBI is discussed based on our own investigation. Our results show that mTBI induces concussion exacerbates PD pathology and nanowired delivery of MSCs and CBL induces superior neuroprotection. This could be due to reduction in tau, ASNC and HO-2 expression in PD following mTBI, not reported earlier. The functional significance of our findings in relation to clinical strategies is discussed.
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Affiliation(s)
- Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
| | - Dafin F Muresanu
- Department of Clinical Neurosciences, University of Medicine & Pharmacy, Cluj-Napoca, Romania; "RoNeuro" Institute for Neurological Research and Diagnostic, Cluj-Napoca, Romania
| | - Rudy J Castellani
- Department of Pathology, University of Maryland, Baltimore, MD, United States
| | - Ala Nozari
- Anesthesiology & Intensive Care, Massachusetts General Hospital, Boston, MA, United States
| | - José Vicente Lafuente
- LaNCE, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Bizkaia, Spain
| | - Seaab Sahib
- Department of Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, United States
| | - Z Ryan Tian
- Department of Chemistry & Biochemistry, University of Arkansas, Fayetteville, AR, United States
| | - Anca D Buzoianu
- Department of Clinical Pharmacology and Toxicology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ranjana Patnaik
- Department of Biomaterials, School of Biomedical Engineering, Indian Institute of Technology, Banaras Hindu University, Varanasi, India
| | - Lars Wiklund
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
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21
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Arrais AC, Melo LHMF, Norrara B, Almeida MAB, Freire KF, Melo AMMF, Oliveira LCD, Lima FOV, Engelberth RCGJ, Cavalcante JDS, Araújo DPD, Guzen FP, Freire MAM, Cavalcanti JRLP. S100B protein: general characteristics and pathophysiological implications in the Central Nervous System. Int J Neurosci 2020; 132:313-321. [DOI: 10.1080/00207454.2020.1807979] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ana Cristina Arrais
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Lívia Helena M. F. Melo
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Bianca Norrara
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Marina Abuquerque B. Almeida
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Kalina Fernandes Freire
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Acydalia Madruga M. F. Melo
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Lucidio Clebeson de Oliveira
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Francisca Overlânia Vieira Lima
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Rovena Clara G. J. Engelberth
- Laboratory of Neurochemical Studies, Department of Physiology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Jeferson de Souza Cavalcante
- Laboratory of Neurochemical Studies, Department of Physiology, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Dayane Pessoa de Araújo
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Fausto Pierdoná Guzen
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - Marco Aurelio M. Freire
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
| | - José Rodolfo L. P. Cavalcanti
- Laboratory of Experimental Neurology, Department of Biomedical Sciences, Faculty of Health Sciences, University of the State of Rio Grande do Norte, Mossoró, RN, Brazil
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22
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Akanji MA, Adeyanju AA, Rotimi D, Adeyemi OS. Nitric Oxide Balance in Health and Diseases: Implications for New Treatment Strategies. Open Biochem J 2020. [DOI: 10.2174/1874091x02014010025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Nitric Oxide (NO) is an essential signaling molecule with diverse physiological functions in humans. The steady-state concentration and site of production of nitric oxide determine its effects in biological systems. The human cells are exposed to both beneficial and harmful effects of NO. These dual effects of NO could depend on its local concentration in the cells. Additionally, the rate of synthesis, translocation, direct interaction with other molecules, and signals contribute to the biochemical and physiological effects of NO. In this review, the biochemical and physiological role of NO, particularly in health and disease as touching on cell signaling, oxidative stress, immunity, as well as cardiovascular protection amongst others, is focused on. Therefore, this review objectively discusses the dual functionality of NO in living cells.
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23
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Zheng T, Du J, Yuan Y, Wu S, Jin Y, Wang Z, Liu D, Shi Q, Wang X, Liu L. Neuroprotective Effect of Low-Intensity Transcranial Ultrasound Stimulation in Moderate Traumatic Brain Injury Rats. Front Neurosci 2020; 14:172. [PMID: 32218720 PMCID: PMC7078644 DOI: 10.3389/fnins.2020.00172] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/17/2020] [Indexed: 01/30/2023] Open
Abstract
Traumatic brain injury (TBI) is a kind of severe brain injury characterized with a high incidence rate and a high disability rate. Low-intensity transcranial ultrasound stimulation (LITUS) is a promising neuroprotective method for improving the functional prognosis of TBI. The fractional anisotropy (FA) value and mean diffusivity (MD) value can be sensitive to abnormal brain structure and function and can thus be used to evaluate the effect of LITUS on TBI. Our purpose was to evaluate the therapeutic effect of LITUS in a moderate TBI rat model with FA and MD values. For our method, we used 45 male Sprague Dawley rats (15 sham normal, 15 TBI, and 15 LITUS treatment rats). We used single-shot spin echo echo-planar imaging sequences at 3.0T to obtain the DTI parameters. Parameters of FA and MD on the treated side of the injury cortex were measured to evaluate the therapeutic effect of LITUS in a TBI rat model. For FA and MD values, groups were compared by using a two-way analysis of variance for repeated measures, and this was followed by Tukey's post hoc test. Differences were considered significant at P < 0.05. The results were that the FA value in the LITUS treatment group at 1 day after TBI was significantly higher than that in the control group (adjusted P = 0.0422) and significantly lower than that in the TBI group at 14, 21, and 35 days after TBI (adjusted P = 0.0015, 0.0064, and 0.0173, respectively). At the end of the scan time point, the differences between the two groups were not significant (adjusted P = 0.3242). The MD values in the LITUS treatment group were significantly higher in the early stage than that in the TBI group (adjusted P = 0.0167) and significantly lower at the following time points than in the TBI group. In conclusion, daily treatment with LITUS for 10 min effectively improved the brain damage in the Controlled Cortical Impact (CCI)-caused TBI model. FA and MD values can serve as evaluation indicators for the neuro-protective effect of LITUS.
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Affiliation(s)
- Tao Zheng
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
| | - Juan Du
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
| | - Yi Yuan
- Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
| | - Shuo Wu
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
| | - Yinglan Jin
- Peking University Health Science Center, Beijing, China
| | - Zhanqiu Wang
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
| | - Defeng Liu
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
| | | | - Xiaohan Wang
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
| | - Lanxiang Liu
- Department of Magnetic Resonance Imaging, Qinhuangdao Municipal No. 1 Hospital, Qinhuangdao, China
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Wang X, Liu T, Song H, Cui S, Liu G, Christoforou A, Flaherty P, Luo X, Wood L, Wang QM. Targeted Metabolomic Profiling Reveals Association Between Altered Amino Acids and Poor Functional Recovery After Stroke. Front Neurol 2020; 10:1425. [PMID: 32082239 PMCID: PMC7001531 DOI: 10.3389/fneur.2019.01425] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 12/31/2019] [Indexed: 01/27/2023] Open
Abstract
Amino acids have been shown to be among the most important metabolites to be altered following stroke; however, they are a double-edged sword with regard to regulating hemostasis. In this study, we conducted a targeted metabolomic study to examine the association between serum levels of amino acids and functional recovery after stroke. Three hundred and fifty-one patients with stroke admitted to an acute rehabilitation hospital were screened, and 106 patients were selected based on inclusion and exclusion criteria. Recruited patients were stratified using Montebello Rehabilitation Factor Score (MRFS) efficiency. We selected the top (n = 20, 19%) and bottom (n = 20, 19%) of MRFS efficiency for metabolomic analysis. A total of 21 serum amino acids levels were measured using ultra high performance liquid chromatography and mass spectrometry. The normalized data were analyzed by multivariate approaches, and the selected potential biomarkers were combined in different combinations for prediction of stroke functional recovery. The results demonstrated that there were significant differences in leucine-isoleucine, proline, threonine, glutamic acid, and arginine levels between good and poor recovery groups. In the training (0.952) and test (0.835) sets, metabolite biomarker panels composed of proline, glutamic acid, and arginine had the highest sensitivity and specificity in distinguishing good recovery from poor. In particular, arginine was present in the top 10 combinations of the average area under the receiver operating characteristic curve (AUC) test set. Our findings suggest that amino acids related to energy metabolism and excitotoxicity may play an important role in functional recovery after stroke. Therefore, the level of serum arginine has predictive value for the recovery rate after stroke.
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Affiliation(s)
- Xin Wang
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States.,Department of Rehabilitation, Clinical Medical College, Yangzhou University, Yangzhou, China
| | - Tao Liu
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States.,Clinical School of Acupuncture, Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Haixin Song
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States
| | - Shaoyang Cui
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States
| | - Gang Liu
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States
| | - Andrea Christoforou
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States
| | - Patrick Flaherty
- Department of Mathematics, College of Science and Mathematics, University of Massachusetts Boston, Boston, MA, United States
| | - Xun Luo
- Kerry Rehabilitation Medicine Research Institute, Shenzhen, China
| | - Lisa Wood
- William F. Connell School of Nursing, Boston College, Chestnut Hill, MA, United States
| | - Qing Mei Wang
- Stroke Biological Recovery Laboratory, Spaulding Rehabilitation Hospital, Boston, MA, United States
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25
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Toro-Urrego N, Turner LF, Avila-Rodriguez MF. New Insights into Oxidative Damage and Iron Associated Impairment in Traumatic Brain Injury. Curr Pharm Des 2020; 25:4737-4746. [DOI: 10.2174/1381612825666191111153802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/28/2019] [Indexed: 12/14/2022]
Abstract
:
Traumatic Brain Injury is considered one of the most prevalent causes of death around the world; more
than seventy millions of individuals sustain the condition per year. The consequences of traumatic brain injury on
brain tissue are complex and multifactorial, hence, the current palliative treatments are limited to improve patients’
quality of life. The subsequent hemorrhage caused by trauma and the ongoing oxidative process generated
by biochemical disturbances in the in the brain tissue may increase iron levels and reactive oxygen species. The
relationship between oxidative damage and the traumatic brain injury is well known, for that reason, diminishing
factors that potentiate the production of reactive oxygen species have a promissory therapeutic use. Iron chelators
are molecules capable of scavenging the oxidative damage from the brain tissue and are currently in use for ironoverload-
derived diseases.
:
Here, we show an updated overview of the underlying mechanisms of the oxidative damage after traumatic brain
injury. Later, we introduced the potential use of iron chelators as neuroprotective compounds for traumatic brain
injury, highlighting the action mechanisms of iron chelators and their current clinical applications.
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Affiliation(s)
- Nicolas Toro-Urrego
- Laboratorio de Citoarquitectura y Plasticidad Neuronal, Instituto de Investigaciones Cardiológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Liliana F. Turner
- Grupo Modelos Experimentales para las Ciencias Zoohumanas - Departamento de Biología Facultad de Ciencias, Universidad del Tolima- Ibagué, Tolima, Colombia
| | - Marco F. Avila-Rodriguez
- Grupo Modelos Experimentales para las Ciencias Zoohumanas - Departamento de Ciencias Clínicas- Facultad de Ciencias de la Salud, Universidad del Tolima- Ibagué, Tolima, Colombia
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26
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Kumar Sahel D, Kaira M, Raj K, Sharma S, Singh S. Mitochondrial dysfunctioning and neuroinflammation: Recent highlights on the possible mechanisms involved in Traumatic Brain Injury. Neurosci Lett 2019; 710:134347. [PMID: 31229625 DOI: 10.1016/j.neulet.2019.134347] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 06/12/2019] [Accepted: 06/19/2019] [Indexed: 11/18/2022]
Abstract
Traumatic brain injury (TBI) is the injury to the vasculature of brain while trauma caused by physical, chemical and biological stimuli. TBI is the leading cause of mortality and morbidity around the world. In this, primary insult leads to secondary injury through the involvement and initiation of various pathological processes. The most citable includes excitotoxicity, Blood Brain Barrier (BBB) dysfunction, inflammation, mitochondrial dysfunction, oxidative stress, calcium efflux, microglial mediated release of proinflammatory mediators (cytokine, chemokines, interleukin, tissue necrosis factor etc.). The morphological changes in TBI are proportional to mitochondrial dysfunctioning and microglial activation, which play an assorted role in neurodegeneration following traumatic brain injury. It is also assumed that the release of nitric oxide, activation of microglial cells plays a diversive role in maintaining the physiological and pathological balance. This review cites different pathophysiological mechanisms that are involved in progenesis of secondary injury after primary insult. These targets further are useful to explore the deep molecular mechanisms and to analyse the effectiveness of available drugs. Moreover, the present review reflects the underlying inflammatory cascade responsible for neuronal loss and neurological deficit in TBI.
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Affiliation(s)
- Deepak Kumar Sahel
- Neuroscience Division, Department of Pharmacology, I.S.F. College of Pharmacy, Moga, Punjab, 142001, India
| | - Meenakshi Kaira
- Department of Pharmaceutical Sciences, M.D University, Rohtak, Haryana, 124001, India
| | - Khadga Raj
- Neuroscience Division, Department of Pharmacology, I.S.F. College of Pharmacy, Moga, Punjab, 142001, India
| | - Shakshi Sharma
- Neuroscience Division, Department of Pharmacology, I.S.F. College of Pharmacy, Moga, Punjab, 142001, India
| | - Shamsher Singh
- Neuroscience Division, Department of Pharmacology, I.S.F. College of Pharmacy, Moga, Punjab, 142001, India.
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27
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Asghari A, Hosseini M, Khordad E, Alipour F, Marefati N, Ebrahimzadeh Bideskan A. Hippocampal apoptosis of the neonates born from TiO2 nanoparticles-exposed rats is mediated by inducible nitric oxide synthase. TOXIN REV 2019. [DOI: 10.1080/15569543.2019.1570269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Amir Asghari
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Hosseini
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elnaz Khordad
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Alipour
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Narges Marefati
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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28
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Mkrtchyan GV, Üçal M, Müllebner A, Dumitrescu S, Kames M, Moldzio R, Molcanyi M, Schaefer S, Weidinger A, Schaefer U, Hescheler J, Duvigneau JC, Redl H, Bunik VI, Kozlov AV. Thiamine preserves mitochondrial function in a rat model of traumatic brain injury, preventing inactivation of the 2-oxoglutarate dehydrogenase complex. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2018; 1859:925-931. [DOI: 10.1016/j.bbabio.2018.05.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 05/03/2018] [Accepted: 05/10/2018] [Indexed: 01/08/2023]
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29
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Catarina AV, Luft C, Greggio S, Venturin GT, Ferreira F, Marques EP, Rodrigues L, Wartchow K, Leite MC, Gonçalves CA, Wyse ATS, Da Costa JC, De Oliveira JR, Branchini G, Nunes FB. Fructose-1,6-bisphosphate preserves glucose metabolism integrity and reduces reactive oxygen species in the brain during experimental sepsis. Brain Res 2018; 1698:54-61. [PMID: 29932894 DOI: 10.1016/j.brainres.2018.06.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/30/2018] [Accepted: 06/17/2018] [Indexed: 12/17/2022]
Abstract
Sepsis is one of the main causes of hospitalization and mortality in Intensive Care Units. One of the first manifestations of sepsis is encephalopathy, reported in up to 70% of patients, being associated with higher mortality and morbidity. The factors that cause sepsis-associated encephalopathy (SAE) are still not well known, and may be multifactorial, as perfusion changes, neuroinflammation, oxidative stress and glycolytic metabolism alterations. Fructose-1,6-bisphosphate (FBP), a metabolite of the glycolytic route, has been reported as neuroprotective agent. The present study used an experimental sepsis model in C57BL/6 mice. We used in vivo brain imaging to evaluate glycolytic metabolism through microPET scans and the radiopharmaceutical 18F-fluoro-2-deoxy-D-glucose (18F-FDG). Brain images were obtained before and 12 h after the induction of sepsis in animals with and without FBP treatment. We also evaluated the treatment effects in the brain oxidative stress by measuring the production of reactive oxygen species (ROS), the activity of catalase (CAT) and glutathione peroxidase (GPx), and the levels of fluorescent marker 2'7'-dichlorofluorescein diacetate (DCF). There was a significant decrease in brain glucose metabolism due to experimental sepsis. A significant protective effect of FBP treatment was observed in the cerebral metabolic outcomes. FBP also modulated the production of ROS, evidenced by reduced CAT activity and lower levels of DCF. Our results suggest that FBP may be a possible candidate in the treatment of SAE.
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Affiliation(s)
- Anderson V Catarina
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, Brazil.
| | - Carolina Luft
- Laboratório de Biofísica Celular e Inflamação, Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
| | - Samuel Greggio
- Centro de Pesquisa Pré-Clínica, Instituto do Cérebro do Rio Grande do Sul - Brain Institute (BraIns), Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
| | - Gianina T Venturin
- Centro de Pesquisa Pré-Clínica, Instituto do Cérebro do Rio Grande do Sul - Brain Institute (BraIns), Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
| | - Fernanda Ferreira
- Laboratório de Neuroproteção e Doenças Neurometabólicas, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Eduardo P Marques
- Laboratório de Neuroproteção e Doenças Neurometabólicas, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Letícia Rodrigues
- Laboratório de Proteínas Ligante de Cálcio do Sistema Nervoso Central, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Krista Wartchow
- Laboratório de Proteínas Ligante de Cálcio do Sistema Nervoso Central, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Marina C Leite
- Laboratório de Proteínas Ligante de Cálcio do Sistema Nervoso Central, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Carlos A Gonçalves
- Laboratório de Proteínas Ligante de Cálcio do Sistema Nervoso Central, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Angela T S Wyse
- Laboratório de Neuroproteção e Doenças Neurometabólicas, Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Jaderson C Da Costa
- Centro de Pesquisa Pré-Clínica, Instituto do Cérebro do Rio Grande do Sul - Brain Institute (BraIns), Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
| | - Jarbas R De Oliveira
- Laboratório de Biofísica Celular e Inflamação, Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
| | - Gisele Branchini
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, Brazil
| | - Fernanda B Nunes
- Programa de Pós-graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, Brazil; Laboratório de Biofísica Celular e Inflamação, Pontifícia Universidade Católica do Rio Grande do Sul - PUCRS, Porto Alegre, Brazil
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30
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Asghari A, Hosseini M, Beheshti F, Shafei MN, Mehri S. Inducible nitric oxide inhibitor aminoguanidine, ameliorated oxidative stress, interleukin-6 concentration and improved brain-derived neurotrophic factor in the brain tissues of neonates born from titanium dioxide nanoparticles exposed rats. J Matern Fetal Neonatal Med 2018; 32:3962-3973. [PMID: 29788817 DOI: 10.1080/14767058.2018.1480602] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Introduction: An interaction between oxidative stress, neuroinflammation, and nitric oxide (NO) has been suggested to have a role neurotoxicity. The aim of current research was to investigate the effect of aminoguanidine (AG) as an inducible NO synthase (iNOS) inhibitor, on brain-derived neurotrophic factor (BDNF), oxidative stress, and interleukin-6 (IL-6) concentrations in the brain tissues of neonates born from the rats exposed to titanium dioxide nanoparticles (TiO2 NPs) during gestation. Methods: The pregnant rats were grouped into three and received: (1) saline, (2) TiO2 (200 mg/kg, gavage), and (3) TiO2-AG [200 mg/kg intraperitoneal (IP)]. The treatment was started since the second gestation day up to the delivery time. The neonates born from the rats were deeply anesthetized, sacrificed, and the brains were collected for biochemical evaluations. Results: The neonates born from the rats exposed to TiO2 showed a lower BDNF (p < .001) but a higher IL-6 (p < .01) concentrations in their hippocampal tissue. TiO2 exposure also increased malondialdehyde (MDA) (p < .001) and NO metabolites (p < .001), while diminished thiol (p < .001), superoxide (SOD) (p < .001), and catalase (CAT) (p < .001) in all hippocampal, cortical, and cerebellar tissues. Administration of AG improved BDNF (p < .01) but attenuated IL-6 (p < .01) concentrations in the hippocampal tissue. AG also decreased MDA (p < .001) and NO metabolites (p < .01-p < .001), while increased thiol (p < .01-p < .001), SOD (p < .001), and CAT (p < .05-p < .001) in all cerebellar, hippocampal, cortical, and tissues. Conclusion: The results of the current research revealed that iNOS inhibitor AG, ameliorated oxidative stress, IL-6 concentration, and improved BDNF in the brain tissues of neonates born from TiO2 NPs exposed rats.
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Affiliation(s)
- Amir Asghari
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Mahmoud Hosseini
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Farimah Beheshti
- Department of Basic Sciences and Neuroscience Research Center, Torbat Heydariyeh University of Medical Sciences , Torbat Heydariyeh , Iran
| | - Mohammad Naser Shafei
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Soghra Mehri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences , Mashhad , Iran
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Abstract
Trauma can affect any individual at any location and at any time over a lifespan. The disruption of macrobarriers and microbarriers induces instant activation of innate immunity. The subsequent complex response, designed to limit further damage and induce healing, also represents a major driver of complications and fatal outcome after injury. This Review aims to provide basic concepts about the posttraumatic response and is focused on the interactive events of innate immunity at frequent sites of injury: the endothelium at large, and sites within the lungs, inside and outside the brain and at the gut barrier.
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Ferreira DJS, Pedroza AA, Braz GRF, Fernandes MP, Lagranha CJ. Mitochondrial dysfunction: maternal protein restriction as a trigger of reactive species overproduction and brainstem energy failure in male offspring brainstem. Nutr Neurosci 2018; 22:778-788. [PMID: 29495951 DOI: 10.1080/1028415x.2018.1444543] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Mitochondria are important organelles in eukaryotic organisms, wherein their capacity to produce energy vary among the tissues depending upon the amounts of oxygen consumed. Part of the oxygen consumed during ATP generation produces reactive oxygen species, which if not efficiently removed can trigger a systemic damage to molecular compounds characterized as oxidative stress. Several studies have demonstrated that mitochondrial dysfunction and oxidative stress in the central nervous system (CNS) are related to a plethora of neural disorders. Herein, we hypothesize that a late autonomic imbalance-induced hypertension might be related to long-lasting effects of protein restriction during the critical period of the CNS development on the mitochondrial function and oxidative stress in the brainstem of adult (i.e. 150 days of age) male Wistar rats. Maternal protein restriction was induced by offering a diet based on 8% of casein from first day of pregnancy until weaning, when the male pups started to receive laboratory chow up to 150 days of life. The protein restriction induced an extended detrimental modulation in mitochondria function, decreasing the phosphorylation capacity with concomitant decrease in the mitochondrial membrane potential, wherein the reactive species overproduction triggered a disruption in proton conductance, which may gradually compromise mitochondria energy conservation. Interestingly, the elevated activity of glutathione-S-transferase and the augmented expression of uncoupling protein 2 are likely protective mechanisms induced by lipid peroxidation products, being feasible molecular changes attempting to deal with oxidative stress-induced ageing.
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Affiliation(s)
- D J S Ferreira
- Neuropsychiatry and Behavior Science Program, Federal University of Pernambuco , Recife , Brazil.,Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV , Vitória de Santo Antão , Brazil
| | - A A Pedroza
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV , Vitória de Santo Antão , Brazil
| | - G R F Braz
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV , Vitória de Santo Antão , Brazil
| | - M P Fernandes
- Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV , Vitória de Santo Antão , Brazil
| | - C J Lagranha
- Neuropsychiatry and Behavior Science Program, Federal University of Pernambuco , Recife , Brazil.,Laboratory of Biochemistry and Exercise Biochemistry, Department of Physical Education and Sports Science, Federal University of Pernambuco-CAV , Vitória de Santo Antão , Brazil
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Duvigneau JC, Kozlov AV. Pathological Impact of the Interaction of NO and CO with Mitochondria in Critical Care Diseases. Front Med (Lausanne) 2017; 4:223. [PMID: 29312941 PMCID: PMC5743798 DOI: 10.3389/fmed.2017.00223] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 11/27/2017] [Indexed: 12/14/2022] Open
Abstract
The outcome of patients with critical care diseases (CCD) such as sepsis, hemorrhagic shock, or trauma is often associated with mitochondrial dysfunction. In turn, mitochondrial dysfunction is frequently induced upon interaction with nitric oxide (NO) and carbon monoxide (CO), two gaseous messengers formed in the body by NO synthase (NOS) and heme oxygenase (HO), respectively. Both, NOS and HO are upregulated in the majority of CCD. A multitude of factors that are associated with the pathology of CCD exert a potential to interfere with mitochondrial function or the effects of the gaseous messengers. From these, four major factors can be identified that directly influence the effects of NO and CO on mitochondria and which are defined by (i) local concentration of NO and/or CO, (ii) tissue oxygenation, (iii) redox status of cells in terms of facilitating or inhibiting reactive oxygen species formation, and (iv) the degree of tissue acidosis. The combination of these four factors in specific pathological situations defines whether effects of NO and CO are beneficial or deleterious.
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Affiliation(s)
- J Catharina Duvigneau
- Institute of Medical Biochemistry, Department of Biomedical Sciences, University of Veterinary Medicine, Vienna, Austria
| | - Andrey V Kozlov
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria
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Griffiths H, Goyal MS, Pineda JA. Brain metabolism and severe pediatric traumatic brain injury. Childs Nerv Syst 2017; 33:1719-1726. [PMID: 29149384 DOI: 10.1007/s00381-017-3514-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Accepted: 06/27/2017] [Indexed: 01/30/2023]
Abstract
Age-dependent changes in brain metabolism may influence the response to and tolerance of secondary insults, potentially affecting outcomes. More complete characterization of brain metabolism across the clinical trajectory of severe pediatric TBI is needed to improve our ability to measure and better mitigate the impact of secondary insults. Better management of secondary insults will impact clinical care and the probability of success of future neuroprotective clinical trials. Improved bedside monitoring and imaging technologies will be required to achieve these goals. Effective and sustained integration of brain metabolism information into the pediatric critical care setting will be equally challenging and important.
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Affiliation(s)
- Heidi Griffiths
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Manu S Goyal
- Department of Neuroradiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Jose A Pineda
- Department of Pediatrics and Neurology, Washington University School of Medicine, St. Louis, MO, USA.
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Benign Effect of Extremely Low-Frequency Electromagnetic Field on Brain Plasticity Assessed by Nitric Oxide Metabolism during Poststroke Rehabilitation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:2181942. [PMID: 29138675 PMCID: PMC5613626 DOI: 10.1155/2017/2181942] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 07/02/2017] [Accepted: 08/14/2017] [Indexed: 12/17/2022]
Abstract
Nitric oxide (NO) is one of the most important signal molecules, involved in both physiological and pathological processes. As a neurotransmitter in the central nervous system, NO regulates cerebral blood flow, neurogenesis, and synaptic plasticity. The aim of our study was to investigate the effect of the extremely low-frequency electromagnetic field (ELF-EMF) on generation and metabolism of NO, as a neurotransmitter, in the rehabilitation of poststroke patients. Forty-eight patients were divided into two groups: ELF-EMF and non-ELF-EMF. Both groups underwent the same 4-week rehabilitation program. Additionally, the ELF-EMF group was exposed to an extremely low-frequency electromagnetic field of 40 Hz, 7 mT, for 15 min/day. Levels of 3-nitrotyrosine, nitrate/nitrite, and TNFα in plasma samples were measured, and NOS2 expression was determined in whole blood samples. Functional status was evaluated before and after a series of treatments, using the Activity Daily Living, Geriatric Depression Scale, and Mini-Mental State Examination. We observed that application of ELF-EMF significantly increased 3-nitrotyrosine and nitrate/nitrite levels, while expression of NOS2 was insignificantly decreased in both groups. The results also show that ELF-EMF treatments improved functional and mental status. We conclude that ELF-EMF therapy is capable of promoting recovery in poststroke patients.
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Ondacova K, Moravcikova L, Jurkovicova D, Lacinova L. Fibrotic scar model and TGF-β1 differently modulate action potential firing and voltage-dependent ion currents in hippocampal neurons in primary culture. Eur J Neurosci 2017; 46:2161-2176. [DOI: 10.1111/ejn.13663] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 07/17/2017] [Accepted: 07/21/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Katarina Ondacova
- Center of Biosciences; Institute of Molecular Physiology and Genetics; Slovak Academy of Sciences; Dubravska cesta 9 Bratislava 84005 Slovakia
| | - Lucia Moravcikova
- Center of Biosciences; Institute of Molecular Physiology and Genetics; Slovak Academy of Sciences; Dubravska cesta 9 Bratislava 84005 Slovakia
| | - Dana Jurkovicova
- KRD Molecular Technologies s. r. o.; Bratislava Slovakia
- Biomedical Research Center; Cancer Research Institute; Slovak Academy of Sciences; Bratislava Slovakia
| | - Lubica Lacinova
- Center of Biosciences; Institute of Molecular Physiology and Genetics; Slovak Academy of Sciences; Dubravska cesta 9 Bratislava 84005 Slovakia
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Raju R. Immune and metabolic alterations following trauma and sepsis - An overview. Biochim Biophys Acta Mol Basis Dis 2017; 1863:2523-2525. [PMID: 28842148 DOI: 10.1016/j.bbadis.2017.08.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Raghavan Raju
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, United States.
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Plasma creatine kinase B correlates with injury severity and symptoms in professional boxers. J Clin Neurosci 2017; 45:100-104. [PMID: 28797606 DOI: 10.1016/j.jocn.2017.07.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 07/21/2017] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Each year in the United States, approximately 1.7 million people sustain a traumatic brain injury (TBI). Of these TBI events, about 75 percent are characterized as being mild brain injuries. Immediately following TBI, a secondary brain damage persists for hours, days, and even months. Previously, detection of neuronal and glial biomarkers have proven to be useful to predict neurological outcomes. Here, we hypothesized that creatine kinase, brain (CKBB) is a sensitive biomarker for acute secondary brain injury in professional boxers. METHODS Blood (8cc) was collected from the boxing athletes (n=18) prior to and after competition (∼30min). The plasma levels of CKBB were measured using the Meso Scale Diagnostic (MSD) electrochemiluminescence (ECL) array-based multiplex format. Additional data such as number of blows to the head and symptom score (Rivermead Post Concussion Symptoms Questionnaire) were collected. RESULTS At approximately 30min after the competition, the plasma levels of CKBB were significantly elevated in concussed professional boxers and correlated with the number of blows to the head and symptom scores. Additionally, receiver operating curve (ROC) analysis yielded a 77.8% sensitivity and a specificity of 82.4% with an area under the curve (AUC) of 90% for CKBB as an identifier of secondary brain injury within this population. CONCLUSION This study describes the detection of CKBB as a brain biomarker to detect secondary brain injury in professional athletes that have experienced multiple high impact blows to the head. This acute biomarker may prove useful in monitoring secondary brain injury after injury.
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