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Intracellular Signaling. Stroke 2022. [DOI: 10.1016/b978-0-323-69424-7.00006-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Wen M, Jin Y, Zhang H, Sun X, Kuai Y, Tan W. Proteomic Analysis of Rat Cerebral Cortex in the Subacute to Long-Term Phases of Focal Cerebral Ischemia-Reperfusion Injury. J Proteome Res 2019; 18:3099-3118. [PMID: 31265301 DOI: 10.1021/acs.jproteome.9b00220] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Stroke is a leading cause of mortality and disability, and ischemic stroke accounts for more than 80% of the disease occurrence. Timely reperfusion is essential in the treatment of ischemic stroke, but it is known to cause ischemia-reperfusion (I/R) injury and the relevant studies have mostly focused on the acute phase. Here we reported on a global proteomic analysis to investigate the development of cerebral I/R injury in the subacute and long-term phases. A rat model was used, with 2 h-middle cerebral artery occlusion (MCAO) followed with 1, 7, and 14 days of reperfusion. The proteins of cerebral cortex were analyzed by SDS-PAGE, whole-gel slicing, and quantitative LC-MS/MS. Totally 5621 proteins were identified, among which 568, 755, and 492 proteins were detected to have significant dys-regulation in the model groups with 1, 7, and 14 days of reperfusion, respectively, when compared with the corresponding sham groups (n = 4, fold change ≥1.5 or ≤0.67 and p ≤ 0.05). Bioinformatic analysis on the functions and reperfusion time-dependent dys-regulation profiles of the proteins exhibited changes of structures and biological processes in cytoskeleton, synaptic plasticity, energy metabolism, inflammation, and lysosome from subacute to long-term phases of cerebral I/R injury. Disruption of cytoskeleton and synaptic structures, impairment of energy metabolism processes, and acute inflammation responses were the most significant features in the subacute phase. With the elongation of reperfusion time to the long-term phase, a tendency of recovery was detected on cytoskeleton, while inflammation pathways different from the subacute phase were activated. Also, lysosomal structures and functions might be restored. This is the first work reporting the proteome changes that occurred at different time points from the subacute to long-term phases of cerebral I/R injury and we expect it would provide useful information to improve the understanding of the mechanisms involved in the development of cerebral I/R injury and suggest candidates for treatment.
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Affiliation(s)
- Meiling Wen
- School of Biology and Biological Engineering , South China University of Technology , Guangzhou 510006 , P. R. China
| | - Ya Jin
- Institute of Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou 510006 , P. R. China
| | - Hao Zhang
- Institute of Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou 510006 , P. R. China
| | - Xiaoou Sun
- Institute of Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou 510006 , P. R. China
| | - Yihe Kuai
- Institute of Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou 510006 , P. R. China
| | - Wen Tan
- Institute of Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou 510006 , P. R. China
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Khoury N, Xu J, Stegelmann SD, Jackson CW, Koronowski KB, Dave KR, Young JI, Perez-Pinzon MA. Resveratrol Preconditioning Induces Genomic and Metabolic Adaptations within the Long-Term Window of Cerebral Ischemic Tolerance Leading to Bioenergetic Efficiency. Mol Neurobiol 2018; 56:4549-4565. [PMID: 30343466 DOI: 10.1007/s12035-018-1380-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 10/04/2018] [Indexed: 01/23/2023]
Abstract
Neuroprotective agents administered post-cerebral ischemia have failed so far in the clinic to promote significant recovery. Thus, numerous efforts were redirected toward prophylactic approaches such as preconditioning as an alternative therapeutic strategy. Our laboratory has revealed a novel long-term window of cerebral ischemic tolerance mediated by resveratrol preconditioning (RPC) that lasts for 2 weeks in mice. To identify its mediators, we conducted an RNA-seq experiment on the cortex of mice 2 weeks post-RPC, which revealed 136 differentially expressed genes. The majority of genes (116/136) were downregulated upon RPC and clustered into biological processes involved in transcription, synaptic signaling, and neurotransmission. The downregulation in these processes was reminiscent of metabolic depression, an adaptation used by hibernating animals to survive severe ischemic states by downregulating energy-consuming pathways. Thus, to assess metabolism, we used a neuronal-astrocytic co-culture model and measured the cellular respiration rate at the long-term window post-RPC. Remarkably, we observed an increase in glycolysis and mitochondrial respiration efficiency upon RPC. We also observed an increase in the expression of genes involved in pyruvate uptake, TCA cycle, and oxidative phosphorylation, all of which indicated an increased reliance on energy-producing pathways. We then revealed that these nuclear and mitochondrial adaptations, which reduce the reliance on energy-consuming pathways and increase the reliance on energy-producing pathways, are epigenetically coupled through acetyl-CoA metabolism and ultimately increase baseline ATP levels. This increase in ATP would then allow the brain, a highly metabolic organ, to endure prolonged durations of energy deprivation encountered during cerebral ischemia.
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Affiliation(s)
- Nathalie Khoury
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA.,Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - Jing Xu
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA.,Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - Samuel D Stegelmann
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA
| | - Charles W Jackson
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA.,Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - Kevin B Koronowski
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA.,Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - Kunjan R Dave
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA.,Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - Juan I Young
- Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,John P. Hussman Institute for Human Genomics, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.,Department of Human Genetics, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - Miguel A Perez-Pinzon
- Cerebral Vascular Disease Research Laboratories, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA. .,Department of Neurology, University of Miami, Miller School of Medicine, P.O. Box 016960, Miami, FL, 33101, USA. .,Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.
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Li H, Li X, Guo J, Wu G, Dong C, Pang Y, Gao S, Wang Y. Identification of biomarkers and mechanisms of diabetic cardiomyopathy using microarray data. Cardiol J 2018; 27:807-816. [PMID: 30246236 DOI: 10.5603/cj.a2018.0113] [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] [Received: 01/10/2017] [Revised: 09/20/2018] [Accepted: 05/03/2017] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND The study aimed to uncover the regulation mechanisms of diabetic cardiomyopathy (DCM) and provide novel prognostic biomarkers. METHODS The dataset GSE62203 downloaded from the Gene Expression Omnibus database was utilized in the present study. After pretreatment using the Affy package, differentially expressed genes (DEGs) were identified by the limma package, followed by functional enrichment analysis and protein- protein interaction (PPI) network analysis. Furthermore, module analysis was conducted using MCODE plug-in of Cytoscape, and functional enrichment analysis was also performed for genes in the modules. RESULTS A set of 560 DEGs were screened, mainly enriched in the metabolic process and cell cycle related process. Hub nodes in the PPI network were LDHA (lactate dehydrogenase A), ALDOC (aldolase C, fructose-bisphosphate) and ABCE1 (ATP Binding Cassette Subfamily E Member 1), which were also highlighted in Module 1 or Module 2 and predominantly enriched in the processes of glycolysis and ribosome biogenesis. Additionally, LDHA were linked with ALDOC in the PPI network. Besides, activating transcription factor 4 (ATF4) was prominent in Module 3; while myosin heavy chain 6 (MYH6) was highlighted in Module 4 and was mainly involved in muscle cells related biological processes. CONCLUSIONS Five potential biomarkers including LDHA, ALDOC, ABCE1, ATF4 and MYH6 were identified for DCM prognosis.
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Affiliation(s)
- Hui Li
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Xiaoyan Li
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Jian Guo
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Guifu Wu
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Chunping Dong
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Yaling Pang
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Shan Gao
- Department of Endocrinology, Shaanxi Provincial People's Hospital
| | - Yangwei Wang
- Department of Endocrinology, Shaanxi Provincial People's Hospital.
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SM S, HN S, NA E, AS H. Curative role of pantothenic acid in brain damage of gamma irradiated rats. Indian J Clin Biochem 2018; 33:314-321. [PMID: 30072831 PMCID: PMC6052731 DOI: 10.1007/s12291-017-0683-0] [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] [Received: 05/28/2017] [Accepted: 07/17/2017] [Indexed: 12/31/2022]
Abstract
Radiation induced brain damage is associated with impairment of mitochondrial functions, variations in the level of neurotransmitters, and oxidative stress. Mitochondrial function is closely linked to the level of neurotransmitters since the precursors are supplied by the Kreb's cycle intermediates. The objective of this study was to evaluate the influence of pantothenic acid, an essential component in the synthesis of Coenzyme A (CoA), on the activity of the Krebs cycle enzymes, isocitrate dehydrogenase (IDH), α-ketoglutarate dehydrogenase (α-KGDH), and succinate dehydrogenase (SDH); the level of aspartic, glutamic and GABA; the activity of transaminases, and oxidative stress, in the cerebrum of γ-irradiated rats. Pantothenic acid (26 mg/Kg) was orally administered to the rats, 2 h after irradiation and during the following 5 days. Animals were sacrificed the 7th day post-irradiation. The exposure of male albino rats to γ-rays (5 Gy) has triggered oxidative stress notified by a significant elevation in the level of malondialdehyde (MDA), an end product of lipid peroxidation, associated to a significant decrease in the content of phospholipids, and the antioxidant compound glutathione (GSH). The activity of IDH, α-KGDH, and SDH, has significantly decreased, while the level of aspartic, glutamic and GABA has significantly increased. In parallel to these changes, the activity of alanine and aspartate transaminase has significantly increased, compared to their values in the control rats. Pantothenic acid treatment, has significantly attenuated oxidative stress; enhanced the activity of IDH, α-KGDH, and SDH; minimized the increase in the level of amino acids and the activity of transaminases, compared to their values in the cerebrum of irradiated rats. In conclusion, pantothenic acid could improve the level of neurotransmitters amino acids, which depends on the enzymatic activities of Krebs cycle and linked to oxidative stress.
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Affiliation(s)
- Shedid SM
- Department of Radiation Biology, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, 3 Ahmed El-Zomor, Al Manteqah Ath Thamenah, Nasr City, Cairo Governorate 11787 Egypt
| | - Saada HN
- Department of Radiation Biology, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, 3 Ahmed El-Zomor, Al Manteqah Ath Thamenah, Nasr City, Cairo Governorate 11787 Egypt
| | - Eltahawy NA
- Department of Radiation Biology, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, 3 Ahmed El-Zomor, Al Manteqah Ath Thamenah, Nasr City, Cairo Governorate 11787 Egypt
| | - Hammad AS
- Department of Radiation Biology, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority, 3 Ahmed El-Zomor, Al Manteqah Ath Thamenah, Nasr City, Cairo Governorate 11787 Egypt
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Kofke WA, Ren Y, Augoustides JG, Li H, Nathanson K, Siman R, Meng QC, Bu W, Yandrawatthana S, Kositratna G, Kim C, Bavaria JE. Reframing the Biological Basis of Neuroprotection Using Functional Genomics: Differentially Weighted, Time-Dependent Multifactor Pathogenesis of Human Ischemic Brain Damage. Front Neurol 2018; 9:497. [PMID: 29997569 PMCID: PMC6028620 DOI: 10.3389/fneur.2018.00497] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 06/07/2018] [Indexed: 12/18/2022] Open
Abstract
Background: Neuroprotection studies are generally unable to demonstrate efficacy in humans. Our specific hypothesis is that multiple pathophysiologic pathways, of variable importance, contribute to ischemic brain damage. As a corollary to this, we discuss the broad hypothesis that a multifaceted approach will improve the probability of efficacious neuroprotection. But to properly test this hypothesis the nature and importance of the multiple contributing pathways needs elucidation. Our aim is to demonstrate, using functional genomics, in human cardiac surgery procedures associated with cerebral ischemia, that the pathogenesis of perioperative human ischemic brain damage involves the function of multiple variably weighted proteins involving several pathways. We then use these data and literature to develop a proposal for rational design of human neuroprotection protocols. Methods: Ninety-four patients undergoing deep hypothermic circulatory arrest (DHCA) and/or aortic valve replacement surgery had brain damage biomarkers, S100β and neurofilament H (NFH), assessed at baseline, 1 and 24 h post-cardiopulmonary bypass (CPB) with analysis for association with 92 single nucleotide polymorphisms (SNPs) (selected by co-author WAK) related to important proteins involved in pathogenesis of cerebral ischemia. Results: At the nominal significance level of 0.05, changes in S100β and in NFH at 1 and 24 h post-CPB were associated with multiple SNPs involving several prospectively determined pathophysiologic pathways, but were not individually significant after multiple comparison adjustments. Variable weights for the several evaluated SNPs are apparent on regression analysis and, notably, are dissimilar related to the two biomarkers and over time post CPB. Based on our step-wise regression model, at 1 h post-CPB, SOD2, SUMO4, and GP6 are related to relative change of NFH while TNF, CAPN10, NPPB, and SERPINE1 are related to the relative change of S100B. At 24 h post-CPB, ADRA2A, SELE, and BAX are related to the relative change of NFH while SLC4A7, HSPA1B, and FGA are related to S100B. Conclusions: In support of the proposed hypothesis, association SNP data suggest function of specific disparate proteins, as reflected by genetic variation, may be more important than others with variation at different post-insult times after human brain ischemia. Such information may support rational design of post-insult time-sensitive multifaceted neuroprotective therapies.
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Affiliation(s)
- William A Kofke
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States
| | - Yue Ren
- Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA, United States
| | - John G Augoustides
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States
| | - Hongzhe Li
- Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA, United States
| | - Katherine Nathanson
- Department of Medicine, Division of Translational Medicine and Human Genetics Abramson Cancer Center Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Robert Siman
- Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA, United States
| | - Qing Cheng Meng
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States
| | - Weiming Bu
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States
| | - Sukanya Yandrawatthana
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States
| | - Guy Kositratna
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA, United States
| | - Cecilia Kim
- The Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Joseph E Bavaria
- Department of Surgery, University of Pennsylvania, Philadelphia, PA, United States
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Koronowski KB, Khoury N, Morris-Blanco KC, Stradecki-Cohan HM, Garrett TJ, Perez-Pinzon MA. Metabolomics Based Identification of SIRT5 and Protein Kinase C Epsilon Regulated Pathways in Brain. Front Neurosci 2018; 12:32. [PMID: 29440987 PMCID: PMC5797631 DOI: 10.3389/fnins.2018.00032] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 01/15/2018] [Indexed: 12/17/2022] Open
Abstract
The role of Sirtuins in brain function is emerging, yet little is known about SIRT5 in this domain. Our previous work demonstrates that protein kinase C epsilon (PKCε)-induced protection from focal ischemia is lost in SIRT5-/- mice. Thus, metabolic regulation by SIRT5 contributes significantly to ischemic tolerance. The aim of this study was to identify the SIRT5-regulated metabolic pathways in the brain and determine which of those pathways are linked to PKCε. Our results show SIRT5 is primarily expressed in neurons and endothelial cells in the brain, with mitochondrial and extra-mitochondrial localization. Pathway and enrichment analysis of non-targeted primary metabolite profiles from Sirt5-/- cortex revealed alterations in several pathways including purine metabolism (urea, adenosine, adenine, xanthine), nitrogen metabolism (glutamic acid, glycine), and malate-aspartate shuttle (malic acid, glutamic acid). Additionally, perturbations in β-oxidation and carnitine transferase (pentadecanoic acid, heptadecanoic acid) and glutamate transport and glutamine synthetase (urea, xylitol, adenine, adenosine, glycine, glutamic acid) were predicted. Metabolite changes in SIRT5-/- coincided with alterations in expression of amino acid (SLC7A5, SLC7A7) and glutamate (EAAT2) transport proteins as well as key enzymes in purine (PRPS1, PPAT), fatty acid (ACADS, HADHB), glutamine-glutamate (GAD1, GLUD1), and malate-aspartate shuttle (MDH1) metabolic pathways. Moreover, PKCε activation induced alternations in purine metabolites (urea, glutamine) that overlapped with putative SIRT5 pathways in WT but not in SIRT5-/- mice. Finally, we found that purine metabolism is a common metabolic pathway regulated by SIRT5, PKCε and ischemic preconditioning. These results implicate Sirt5 in the regulation of pathways central to brain metabolism, with links to ischemic tolerance.
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Affiliation(s)
- Kevin B. Koronowski
- Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, FL, United States
- Neuroscience Program, Miller School of Medicine, University of Miami, Miami, FL, United States
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Nathalie Khoury
- Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, FL, United States
- Neuroscience Program, Miller School of Medicine, University of Miami, Miami, FL, United States
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Kahlilia C. Morris-Blanco
- Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, FL, United States
- Neuroscience Program, Miller School of Medicine, University of Miami, Miami, FL, United States
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Holly M. Stradecki-Cohan
- Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, FL, United States
- Neuroscience Program, Miller School of Medicine, University of Miami, Miami, FL, United States
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, United States
| | - Timothy J. Garrett
- Southeast Center for Integrated Metabolomics, Clinical and Translational Science Institute, University of Florida, Gainesville, FL, United States
| | - Miguel A. Perez-Pinzon
- Cerebral Vascular Disease Research Laboratories, Miller School of Medicine, University of Miami, Miami, FL, United States
- Neuroscience Program, Miller School of Medicine, University of Miami, Miami, FL, United States
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, United States
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Tetramethylpyrazine nitrone, a multifunctional neuroprotective agent for ischemic stroke therapy. Sci Rep 2016; 6:37148. [PMID: 27841332 PMCID: PMC5107909 DOI: 10.1038/srep37148] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Accepted: 10/25/2016] [Indexed: 11/08/2022] Open
Abstract
TBN, a novel tetramethylpyrazine derivative armed with a powerful free radical-scavenging nitrone moiety, has been reported to reduce cerebral infarction in rats through multi-functional mechanisms of action. Here we study the therapeutic effects of TBN on non-human primate model of stroke. Thirty male Cynomolgus macaques were subjected to stroke with 4 hours ischemia and then reperfusion. TBN were injected intravenously at 3 or 6 hours after the onset of ischemia. Cerebral infarction was examined by magnetic resonance imaging at 1 and 4 weeks post ischemia. Neurological severity scores were evaluated during 4 weeks observation. At the end of experiment, protein markers associated with the stroke injury and TBN treatment were screened by quantitative proteomics. We found that TBN readily penetrated the blood brain barrier and reached effective therapeutic concentration after intravenous administration. It significantly reduced brain infarction and modestly preserved the neurological function of stroke-affected arm. TBN suppressed over-expression of neuroinflammatory marker vimentin and decreased the numbers of GFAP-positive cells, while reversed down-regulation of myelination-associated protein 2', 3'-cyclic-nucleotide 3'-phosphodiesterase and increased the numbers of NeuN-positive cells in the ipsilateral peri-infarct area. TBN may serve as a promising new clinical candidate for the treatment of ischemic stroke.
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Thelin EP, Just D, Frostell A, Häggmark-Månberg A, Risling M, Svensson M, Nilsson P, Bellander BM. Protein profiling in serum after traumatic brain injury in rats reveals potential injury markers. Behav Brain Res 2016; 340:71-80. [PMID: 27591967 DOI: 10.1016/j.bbr.2016.08.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 07/21/2016] [Accepted: 08/29/2016] [Indexed: 01/12/2023]
Abstract
INTRODUCTION The serum proteome following traumatic brain injury (TBI) could provide information for outcome prediction and injury monitoring. The aim with this affinity proteomic study was to identify serum proteins over time and between normoxic and hypoxic conditions in focal TBI. MATERIAL AND METHODS Sprague Dawley rats (n=73) received a 3mm deep controlled cortical impact ("severe injury"). Following injury, the rats inhaled either a normoxic (22% O2) or hypoxic (11% O2) air mixture for 30min before resuscitation. The rats were sacrificed at day 1, 3, 7, 14 and 28 after trauma. A total of 204 antibodies targeting 143 unique proteins of interest in TBI research, were selected. The sample proteome was analyzed in a suspension bead array set-up. Comparative statistics and factor analysis were used to detect differences as well as variance in the data. RESULTS We found that complement factor 9 (C9), complement factor B (CFB) and aldolase c (ALDOC) were detected at higher levels the first days after trauma. In contrast, hypoxia inducing factor (HIF)1α, amyloid precursor protein (APP) and WBSCR17 increased over the subsequent weeks. S100A9 levels were higher in hypoxic-compared to normoxic rats, together with a majority of the analyzed proteins, albeit few reached statistical significance. The principal component analysis revealed a variance in the data, highlighting clusters of proteins. CONCLUSIONS Protein profiling of serum following TBI using an antibody based microarray revealed temporal changes of several proteins over an extended period of up to four weeks. Further studies are warranted to confirm our findings.
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Affiliation(s)
- Eric Peter Thelin
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
| | - David Just
- Affinity Proteomics, Science for Life Laboratory, School of Biotechnology, KTH-Royal Institute of Technology, Stockholm, Sweden.
| | - Arvid Frostell
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
| | - Anna Häggmark-Månberg
- Affinity Proteomics, Science for Life Laboratory, School of Biotechnology, KTH-Royal Institute of Technology, Stockholm, Sweden.
| | - Mårten Risling
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
| | - Mikael Svensson
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden.
| | - Peter Nilsson
- Affinity Proteomics, Science for Life Laboratory, School of Biotechnology, KTH-Royal Institute of Technology, Stockholm, Sweden.
| | - Bo-Michael Bellander
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden.
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Abou-Abbass H, Bahmad H, Abou-El-Hassan H, Zhu R, Zhou S, Dong X, Hamade E, Mallah K, Zebian A, Ramadan N, Mondello S, Fares J, Comair Y, Atweh S, Darwish H, Zibara K, Mechref Y, Kobeissy F. Deciphering glycomics and neuroproteomic alterations in experimental traumatic brain injury: Comparative analysis of aspirin and clopidogrel treatment. Electrophoresis 2016; 37:1562-76. [PMID: 27249377 PMCID: PMC4963819 DOI: 10.1002/elps.201500583] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 02/09/2016] [Accepted: 02/11/2016] [Indexed: 12/16/2022]
Abstract
As populations age, the number of patients sustaining traumatic brain injury (TBI) and concomitantly receiving preinjury antiplatelet therapy such as aspirin (ASA) and clopidogrel (CLOP) is rising. These drugs have been linked with unfavorable clinical outcomes following TBI, where the exact mechanism(s) involved are still unknown. In this novel work, we aimed to identify and compare the altered proteome profile imposed by ASA and CLOP when administered alone or in combination, prior to experimental TBI. Furthermore, we assessed differential glycosylation PTM patterns following experimental controlled cortical impact model of TBI, ASA, CLOP, and ASA + CLOP. Ipsilateral cortical brain tissues were harvested 48 h postinjury and were analyzed using an advanced neuroproteomics LC-MS/MS platform to assess proteomic and glycoproteins alterations. Of interest, differential proteins pertaining to each group (22 in TBI, 41 in TBI + ASA, 44 in TBI + CLOP, and 34 in TBI + ASA + CLOP) were revealed. Advanced bioinformatics/systems biology and clustering analyses were performed to evaluate biological networks and protein interaction maps illustrating molecular pathways involved in the experimental conditions. Results have indicated that proteins involved in neuroprotective cellular pathways were upregulated in the ASA and CLOP groups when given separately. However, ASA + CLOP administration revealed enrichment in biological pathways relevant to inflammation and proinjury mechanisms. Moreover, results showed differential upregulation of glycoproteins levels in the sialylated N-glycans PTMs that can be implicated in pathological changes. Omics data obtained have provided molecular insights of the underlying mechanisms that can be translated into clinical bedside settings.
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Affiliation(s)
- Hussein Abou-Abbass
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
| | - Hisham Bahmad
- Faculty of Medicine, Beirut Arab University, Beirut, Lebanon
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | | | - Rui Zhu
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Shiyue Zhou
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Xue Dong
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Eva Hamade
- ER045—Laboratory of Stem Cells, DSST, Lebanese University, Beirut, Lebanon
- Department of Biology, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Khalil Mallah
- ER045—Laboratory of Stem Cells, DSST, Lebanese University, Beirut, Lebanon
- Department of Biology, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Abir Zebian
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Naify Ramadan
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | | | - Jawad Fares
- Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Youssef Comair
- Department of Surgery, Division of Neurosurgery, Lebanese American University, Beirut, Lebanon
| | - Samir Atweh
- Department of Neurology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Hala Darwish
- Faculty of Medicine-School of Nursing, American University of Beirut, New York, NY, USA
| | - Kazem Zibara
- ER045—Laboratory of Stem Cells, DSST, Lebanese University, Beirut, Lebanon
- Department of Biology, Faculty of Sciences-I, Lebanese University, Beirut, Lebanon
| | - Yehia Mechref
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA
| | - Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
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Harada S, Matsuura W, Takano M, Tokuyama S. Withdrawal: Proteomic Profiling in the Spinal Cord and Sciatic Nerve in a Global Cerebral Ischemia-Induced Mechanical Allodynia Mouse Model. Biol Pharm Bull 2016; 39:230-8. [DOI: 10.1248/bpb.b15-00647] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Shinichi Harada
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
| | - Wataru Matsuura
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
| | - Masaoki Takano
- Department of Life Sciences Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
| | - Shogo Tokuyama
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
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12
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Ji X, Zhang L, Liu R, Liu Y, Song J, Dong H, Jia Y, Zhou Z. Potential targets for protecting against hippocampal cell apoptosis after transient cerebral ischemia-reperfusion injury in aged rats. Neural Regen Res 2014; 9:1122-8. [PMID: 25206771 PMCID: PMC4146093 DOI: 10.4103/1673-5374.135314] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/05/2014] [Indexed: 11/08/2022] Open
Abstract
Mitochondria play an important role in neuronal apoptosis caused by cerebral ischemia, and the role is mediated by the expression of mitochondrial proteins. This study investigated the involvement of mitochondrial proteins in hippocampal cell apoptosis after transient cerebral ischemia-reperfusion injury in aged rats using a comparative proteomics strategy. Our experimental results show that the aged rat brain is sensitive to ischemia-reperfusion injury and that transient ischemia led to cell apoptosis in the hippocampus and changes in memory and cognition of aged rats. Differential proteomics analysis suggested that this phenomenon may be mediated by mitochondrial proteins associated with energy metabolism and apoptosis in aged rats. This study provides potential drug targets for the treatment of transient cerebral ischemia-reperfusion injury.
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Affiliation(s)
- Xiangyu Ji
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Li'na Zhang
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao, Shandong Province, China
| | - Ran Liu
- Department of General Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Yingzhi Liu
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jianfang Song
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - He Dong
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Yanfang Jia
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Zangong Zhou
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
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13
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Diet-induced obesity suppresses expression of many proteins at the blood-brain barrier. J Cereb Blood Flow Metab 2014; 34:43-51. [PMID: 24064496 PMCID: PMC3887347 DOI: 10.1038/jcbfm.2013.166] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 08/23/2013] [Accepted: 08/26/2013] [Indexed: 01/22/2023]
Abstract
The blood-brain barrier (BBB) is a regulatory interface between the central nervous system and the rest of the body. However, BBB changes in obesity and metabolic syndrome have not been fully elucidated. We hypothesized that obesity reduces energy metabolism in the cerebral microvessels composing the BBB, reflected by downregulation of protein expression and function. We performed comparative proteomic analyses in enriched microvessels from the cerebral cortex of mice 2 months after ingestion of a high-fat diet or regular rodent chow. In mice with diet-induced obesity (DIO), there was downregulation of 47 proteins in the cerebral microvessels, including cytoskeletal proteins, chaperons, enzymes, transport-related proteins, and regulators for transcriptional and translational activities. Only two proteins, involved in messenger RNA (mRNA) transport and processing, were upregulated. The changes of these proteins were further validated by quantitative polymerase chain reaction (qPCR), western blotting, and immunofluorescent staining of freshly isolated microvessels, in samples obtained from different batches of mice. The predominant downregulation suggests that DIO suppresses metabolic activity of BBB microvessels. The finding of a hypometabolic state of the BBB in mice at the chronic stage of DIO is unexpected and unprecedented; it may provide novel mechanistic insight into how obesity influences CNS function via regulatory changes of the BBB.
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Jha MK, Kim JH, Suk K. Proteome of brain glia: the molecular basis of diverse glial phenotypes. Proteomics 2013; 14:378-98. [PMID: 24124134 DOI: 10.1002/pmic.201300236] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Revised: 07/16/2013] [Accepted: 07/30/2013] [Indexed: 12/11/2022]
Abstract
Several different types of nonneuronal glial cells with diverse phenotypes are present in the CNS, and all have distinct indispensible functions. Although glial cells primarily provide neurons with metabolic and structural support in the healthy brain, they may switch phenotype from a "resting" to a "reactive" state in response to pathological insults. Furthermore, this reactive gliosis is an invariant feature of the pathogeneses of CNS maladies. The glial proteome serves as a signature of glial phenotype, and not only executes physiological functions, but also acts as a molecular mediator of the reactive glial phenotype. The glial proteome is also involved in intra- and intercellular communications as exemplified by glia-glia and neuron-glia interactions. The utilization of authoritative proteomic tools and the bioinformatic analyses have helped to profile the brain glial proteome and explore the molecular mechanisms of diverse glial phenotypes. Furthermore, technologic innovations have equipped the field of "glioproteomics" with refined tools for studies of the expression, interaction, and function of glial proteins in the healthy and in the diseased CNS. Glioproteomics is expected to contribute to the elucidation of the molecular mechanisms of CNS pathophysiology and to the discovery of biomarkers and theragnostic targets in CNS disorders.
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Affiliation(s)
- Mithilesh Kumar Jha
- Department of Pharmacology, Brain Science & Engineering Institute, Kyungpook National University School of Medicine, Daegu, South Korea
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