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Wei L, Chen S, Deng X, Liu Y, Wang H, Gao X, Huang Y. Metabolomic discoveries for early diagnosis and traditional Chinese medicine efficacy in ischemic stroke. Biomark Res 2024; 12:63. [PMID: 38902829 PMCID: PMC11188286 DOI: 10.1186/s40364-024-00608-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024] Open
Abstract
Ischemic stroke (IS), a devastating cerebrovascular accident, presents with high mortality and morbidity. Following IS onset, a cascade of pathological changes, including excitotoxicity, inflammatory damage, and blood-brain barrier disruption, significantly impacts prognosis. However, current clinical practices struggle with early diagnosis and identifying these alterations. Metabolomics, a powerful tool in systems biology, offers a promising avenue for uncovering early diagnostic biomarkers for IS. By analyzing dynamic metabolic profiles, metabolomics can not only aid in identifying early IS biomarkers but also evaluate Traditional Chinese Medicine (TCM) efficacy and explore its mechanisms of action in IS treatment. Animal studies demonstrate that TCM interventions modulate specific metabolite levels, potentially reflecting their therapeutic effects. Identifying relevant metabolites in cerebral ischemia patients holds immense potential for early diagnosis and improved outcomes. This review focuses on recent metabolomic discoveries of potential early diagnostic biomarkers for IS. We explore variations in metabolites observed across different ages, genders, disease severity, and stages. Additionally, the review examines how specific TCM extracts influence IS development through metabolic changes, potentially revealing their mechanisms of action. Finally, we emphasize the importance of integrating metabolomics with other omics approaches for a comprehensive understanding of IS pathophysiology and TCM efficacy, paving the way for precision medicine in IS management.
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Affiliation(s)
- Liangzhe Wei
- Department of Neurosurgery, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, 315010, China
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China
| | - Siqi Chen
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, Zhejiang, 315010, China
| | - Xinpeng Deng
- Department of Neurosurgery, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, 315010, China
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China
| | - Yuchun Liu
- Department of Neurosurgery, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, 315010, China
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China
| | - Haifeng Wang
- Department of Neurosurgery, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, 315010, China
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China
| | - Xiang Gao
- Department of Neurosurgery, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, 315010, China.
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China.
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, Zhejiang, 315010, China.
| | - Yi Huang
- Department of Neurosurgery, Ningbo Hospital, Zhejiang University School of Medicine, Ningbo, 315010, China.
- Ningbo Key Laboratory of Neurological Diseases and Brain Function, Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315010, China.
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, Zhejiang, 315010, China.
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Rajput P, Brookshier A, Kothari S, Eckstein L, Chang H, Liska S, Lamb J, Sances S, Lyden P. Differential Vulnerability and Response to Injury among Brain Cell Types Comprising the Neurovascular Unit. J Neurosci 2024; 44:e1093222024. [PMID: 38548341 PMCID: PMC11140689 DOI: 10.1523/jneurosci.1093-22.2024] [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: 05/21/2022] [Revised: 02/29/2024] [Accepted: 03/11/2024] [Indexed: 05/31/2024] Open
Abstract
The neurovascular unit (NVU) includes multiple different cell types, including neurons, astrocytes, endothelial cells, and pericytes, which respond to insults on very different time or dose scales. We defined differential vulnerability among these cell types, using response to two different insults: oxygen-glucose deprivation (OGD) and thrombin-mediated cytotoxicity. We found that neurons are most vulnerable, followed by endothelial cells and astrocytes. After temporary focal cerebral ischemia in male rats, we found significantly more injured neurons, compared with astrocytes in the ischemic area, consistent with differential vulnerability in vivo. We sought to illustrate different and shared mechanisms across all cell types during response to insult. We found that gene expression profiles in response to OGD differed among the cell types, with a paucity of gene responses shared by all types. All cell types activated genes relating to autophagy, apoptosis, and necroptosis, but the specific genes differed. Astrocytes and endothelial cells also activated pathways connected to DNA repair and antiapoptosis. Taken together, the data support the concept of differential vulnerability in the NVU and suggest that different elements of the unit will evolve from salvageable to irretrievable on different time scales while residing in the same brain region and receiving the same (ischemic) blood flow. Future work will focus on the mechanisms of these differences. These data suggest future stroke therapy development should target different elements of the NVU differently.
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Affiliation(s)
- Padmesh Rajput
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
| | - Allison Brookshier
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
| | - Shweta Kothari
- Chinook Therapeutics, Inc., Vancouver, British Columbia V5T 4T5, Canada
- Cedars-Sinai Medical Center, Los Angeles, California 90048
| | - Lillie Eckstein
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
| | - Heather Chang
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
| | - Sophie Liska
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
| | - Jessica Lamb
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
| | - Samuel Sances
- Cedars-Sinai Medical Center, Los Angeles, California 90048
| | - Patrick Lyden
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089-2821
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Doshi M, Natori Y, Ishii A, Saigusa D, Watanabe S, Hosoyamada M, Hirashima-Akae Y. Hypothermia increases adenosine monophosphate and xanthosine monophosphate levels in the mouse hippocampus, preventing their reduction by global cerebral ischemia. Sci Rep 2024; 14:3187. [PMID: 38326353 PMCID: PMC10850059 DOI: 10.1038/s41598-024-53530-1] [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: 07/12/2023] [Accepted: 02/01/2024] [Indexed: 02/09/2024] Open
Abstract
Global cerebral ischemia (GCI) caused by clinical conditions such as cardiac arrest leads to delayed neuronal death in the hippocampus, resulting in physical and mental disability. However, the mechanism of delayed neuronal death following GCI remains unclear. To elucidate the mechanism, we performed a metabolome analysis using a mouse model in which hypothermia (HT) during GCI, which was induced by the transient occlusion of the bilateral common carotid arteries, markedly suppressed the development of delayed neuronal death in the hippocampus after reperfusion. Fifteen metabolites whose levels were significantly changed by GCI and 12 metabolites whose levels were significantly changed by HT were identified. Furthermore, the metabolites common for both changes were narrowed down to two, adenosine monophosphate (AMP) and xanthosine monophosphate (XMP). The levels of both AMP and XMP were found to be decreased by GCI, but increased by HT, thereby preventing their decrease. In contrast, the levels of adenosine, inosine, hypoxanthine, xanthine, and guanosine, the downstream metabolites of AMP and XMP, were increased by GCI, but were not affected by HT. Our results may provide a clue to understanding the mechanism by which HT during GCI suppresses the development of delayed neuronal death in the hippocampus.
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Affiliation(s)
- Masaru Doshi
- Department of Human Physiology and Pathology, Faculty of Pharma-Sciences, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan.
| | - Yujin Natori
- Department of Legal Medicine and Bioethics, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Akira Ishii
- Department of Legal Medicine and Bioethics, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Daisuke Saigusa
- Department of Biomedical and Analytical Sciences, Faculty of Pharma-Sciences, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
| | - Shiro Watanabe
- Division of Nutritional Biochemistry, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Makoto Hosoyamada
- Department of Human Physiology and Pathology, Faculty of Pharma-Sciences, Teikyo University, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan
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Baranovicova E, Kalenska D, Kaplan P, Kovalska M, Tatarkova Z, Lehotsky J. Blood and Brain Metabolites after Cerebral Ischemia. Int J Mol Sci 2023; 24:17302. [PMID: 38139131 PMCID: PMC10743907 DOI: 10.3390/ijms242417302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
The study of an organism's response to cerebral ischemia at different levels is essential to understanding the mechanism of the injury and protection. A great interest is devoted to finding the links between quantitative metabolic changes and post-ischemic damage. This work aims to summarize the outcomes of the most studied metabolites in brain tissue-lactate, glutamine, GABA (4-aminobutyric acid), glutamate, and NAA (N-acetyl aspartate)-regarding their biological function in physiological conditions and their role after cerebral ischemia/reperfusion. We focused on ischemic damage and post-ischemic recovery in both experimental-including our results-as well as clinical studies. We discuss the role of blood glucose in view of the diverse impact of hyperglycemia, whether experimentally induced, caused by insulin resistance, or developed as a stress response to the cerebral ischemic event. Additionally, based on our and other studies, we analyze and critically discuss post-ischemic alterations in energy metabolites and the elevation of blood ketone bodies observed in the studies on rodents. To complete the schema, we discuss alterations in blood plasma circulating amino acids after cerebral ischemia. So far, no fundamental brain or blood metabolite(s) has been recognized as a relevant biological marker with the feasibility to determine the post-ischemic outcome or extent of ischemic damage. However, studies from our group on rats subjected to protective ischemic preconditioning showed that these animals did not develop post-ischemic hyperglycemia and manifested a decreased metabolic infringement and faster metabolomic recovery. The metabolomic approach is an additional tool for understanding damaging and/or restorative processes within the affected brain region reflected in the blood to uncover the response of the whole organism via interorgan metabolic communications to the stressful cerebral ischemic challenge.
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Affiliation(s)
- Eva Baranovicova
- Biomedical Center BioMed, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia;
| | - Dagmar Kalenska
- Department of Anatomy, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia
| | - Peter Kaplan
- Department of Medical Biochemistry, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia (Z.T.)
| | - Maria Kovalska
- Department of Histology and Embryology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia
| | - Zuzana Tatarkova
- Department of Medical Biochemistry, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia (Z.T.)
| | - Jan Lehotsky
- Department of Medical Biochemistry, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia (Z.T.)
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Ho WM, Schmidt FA, Thomé C, Petr O. CSF metabolomics alterations after aneurysmal subarachnoid hemorrhage: what do we know? Acta Neurol Belg 2023; 123:2111-2114. [PMID: 37121932 PMCID: PMC10682053 DOI: 10.1007/s13760-023-02266-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/05/2023] [Indexed: 05/02/2023]
Abstract
PURPOSE The purpose of this mini review is to describe metabolomics in cerebrospinal fluid (CSF) and its potential in aneurysmal subarachnoid hemorrhage (aSAH). In brain injury, patients' micro dialysis enables detecting biochemical change in brain tissue. Indicators for ischemia were detected such as lactate, pyruvate, glucose, and glutamate. In aSAH patients, the pathophysiology and the factor for poor outcome are not completely understood yet. Routine use of biomarkers in CSF, particularly in aSAH patients, is still lacking. METHODS This mini review was performed on the role of metabolomics alterations after aneurysmal subarachnoid hemorrhage. RESULTS We identified five clinical studies that addressed metabolomics in patients with aneurysmal subarachnoid hemorrhage. CONCLUSION There is increasing evidence suggesting that biomarkers can give insight in the pathogenesis and can serve as an outcome predictor. In this mini review, we present a brief overview of metabolomics profiling in neuroscience and wish to discuss the predictive and therapeutic value in aSAH patients.
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Affiliation(s)
- Wing Mann Ho
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Franziska A Schmidt
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Claudius Thomé
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Ondra Petr
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
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Zhou H, Lin B, Yang J, Wei X, Fu W, Ding Z, He Y, Wan H. Analysis of the mechanism of Buyang Huanwu Decoction against cerebral ischemia-reperfusion by multi-omics. JOURNAL OF ETHNOPHARMACOLOGY 2023; 305:116112. [PMID: 36581164 DOI: 10.1016/j.jep.2022.116112] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/23/2022] [Accepted: 12/24/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Buyang Huanwu Decoction (BYHW) is a classic representative formula for treating qi deficiency and the blood stasis syndrome of stroke in the Qing Dynasty physician Wang Qingren's Correction on the Errors of Medical Works. However, the research on the mechanism of BYHW in the treatment of stroke is not systematic and comprehensive. AIM OF THE STUDY Combined with multi-omics analysis methods to explore the potential targets of BYHW in the treatment of cerebral ischemia-reperfusion (I/R). MATERIALS AND METHODS The rat middle cerebral artery occlusion (MCAO) model was established to study the effect of BYHW on cerebral I/R injury in rats. Then, the potential targets and pathways of BYHW in the treatment of cerebral I/R injury were analyzed by proteomic, transcriptomic, and metabolomic methods. Finally, 4D-PRM was used to validate potential targets. RESULTS BYHW effectively improved the neurological function scores of MCAO rats and significantly reduced the rate of cerebral infarction in MCAO rats. Multi-omics analysis had identified 15 potential targets and 4 potential signaling pathways. The results of 4D-PRM targeted proteomics verification showed that Pde1b was reversed up-regulated, and Aprt, Gpd1, Glb1, HEXA, and HEXB were reversed down-regulated. CONCLUSION BYHW may improve cerebral I/R through Aprt, Pde1b, Gpd1, Glb1, HEXA and HEXB targets, and Glycerophospholipid metabolism, Purine metabolism and Glycosphingolipid biosynthesis - globoseries pathway.
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Affiliation(s)
- Huifen Zhou
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China
| | - Bingying Lin
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China
| | - Jiehong Yang
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China
| | - Xiaoyu Wei
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China
| | - Wei Fu
- Department of Cardiac-Cerebral Diseases, Yinchuan Cardiac-Cerebral Treatment Internet Hospital, Yinchuan, 750000, PR China
| | - Zhishan Ding
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China
| | - Yu He
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China.
| | - Haitong Wan
- Zhejiang Chinese Medical University, Hangzhou Zhejiang, 310053, PR China.
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Chen Q, Zhou T, Yuan JJ, Xiong XY, Liu XH, Qiu ZM, Hu LL, Lu H, He Q, Liu C, Yang QW. Metabolomics profiling to characterize cerebral ischemia-reperfusion injury in mice. Front Pharmacol 2023; 14:1091616. [PMID: 36814490 PMCID: PMC9939521 DOI: 10.3389/fphar.2023.1091616] [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: 11/07/2022] [Accepted: 01/23/2023] [Indexed: 02/09/2023] Open
Abstract
Cerebral ischemia, resulting from compromised blood flow, is one of the leading causes of death worldwide with limited therapeutic options. Potential deleterious injuries resulting from reperfusion therapies remain a clinical challenge for physicians. This study aimed to explore the metabolomic alterations during ischemia-reperfusion injury by employing metabolomic analysis coupled with gas chromatography time-of-flight mass spectrometry (GC-TOF-MS) and ultraperformance liquid chromatography quadrupole (UPLC/Q)-TOF-MS. Metabolomic data from mice subjected to middle cerebral artery occlusion (MCAO) followed by reperfusion (MCAO/R) were compared to those of the sham and MCAO groups. A total of 82 simultaneously differentially expressed metabolites were identified among each group. The top three major classifications of these differentially expressed metabolites were organic acids, lipids, and organooxygen compounds. Metabolomics pathway analysis was conducted to identify the underlying pathways implicated in MCAO/R. Based on impactor scores, the most significant pathways involved in the response to the reperfusion after cerebral ischemia were glycerophospholipid metabolism, linoleic acid metabolism, pyrimidine metabolism, and galactose metabolism. 17 of those 82 metabolites were greatly elevated in the MCAO/Reperfusion group, when compared to those in the sham and MCAO groups. Among those metabolites, glucose-6-phosphate 1, fructose-6-phosphate, cellobiose 2, o-phosphonothreonine 1, and salicin were the top five elevated metabolites in MCAO/R group, compared with the MCAO group. Glycolysis, the pentose phosphate pathway, starch and sucrose metabolism, and fructose and mannose degradation were the top four ranked pathways according to metabolite set enrichment analysis (MSEA). The present study not only advances our understanding of metabolomic changes among animals in the sham and cerebral ischemia groups with or without reperfusion via metabolomic profiling, but also paves the way to explore potential molecular mechanisms underlying metabolic alteration induced by cerebral ischemia-reperfusion.
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Affiliation(s)
- Qiong Chen
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Ting Zhou
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Jun-jie Yuan
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Xiao-yi Xiong
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China,Sichuan Provincial Key Laboratory for Acupuncture & Chronobiology, Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, China,School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xue-hui Liu
- Department of Medicinal Chemistry, College of Pharmacy, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Zong-ming Qiu
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Lin-lin Hu
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Hui Lu
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Qian He
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China
| | - Chang Liu
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China,*Correspondence: Chang Liu, ; Qing-wu Yang,
| | - Qing-wu Yang
- Department of Neurology, Xinqiao Hospital, The Army Medical University (Third Military Medical University), Chongqing, China,*Correspondence: Chang Liu, ; Qing-wu Yang,
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Beresewicz-Haller M. Hippocampal region-specific endogenous neuroprotection as an approach in the search for new neuroprotective strategies in ischemic stroke. Fiction or fact? Neurochem Int 2023; 162:105455. [PMID: 36410452 DOI: 10.1016/j.neuint.2022.105455] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 11/03/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022]
Abstract
Ischemic stroke is the leading cause of death and long-term disability worldwide, and, while considerable progress has been made in understanding its pathophysiology, the lack of effective treatments remains a major concern. In that context, receiving more and more consideration as a promising therapeutic method is the activation of natural adaptive mechanisms (endogenous neuroprotection) - an approach that seeks to enhance and/or stimulate the endogenous processes of plasticity and protection of the neuronal system that trigger the brain's intrinsic capacity for self-defence. Ischemic preconditioning is a classic example of endogenous neuroprotection, being the process by which one or more brief, non-damaging episodes of ischemia-reperfusion (I/R) induce tissue resistance to subsequent prolonged, damaging ischemia. Another less-known example is resistance to an I/R episode mounted by the hippocampal region consisting of CA2, CA3, CA4 and the dentate gyrus (here abbreviated to CA2-4, DG). This can be contrasted with the ischemia-vulnerable CA1 region. There is not yet a good understanding of these different sensitivities of the hippocampal regions, and hence of the endogenous neuroprotection characteristic of CA2-4, DG. However, this region is widely reported to have properties distinct from CA1, and capable of generating resistance to an I/R episode. These include activation of neurotrophic and neuroprotective factors, greater activation of anti-excitotoxic and anti-oxidant mechanisms, increased plasticity potential, a greater energy reserve and improved mitochondrial function. This review seeks to summarize properties of CA2-4, DG in the context of endogenous neuroprotection, and then to assess the potential utility of these properties to therapeutic approaches. In so doing, it appears to represent the first such addressing of the issue of ischemia resistance attributable to CA2-4, DG.
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Kim W, Kwon HJ, Jung HY, Hahn KR, Yoon YS, Hwang IK, Choi SY, Kim DW. Neuroprotective Effects of Purpurin Against Ischemic Damage via MAPKs, Bax, and Oxidative Stress Cascades in the Gerbil Hippocampus. Mol Neurobiol 2022; 59:2580-2592. [PMID: 35094304 PMCID: PMC9016019 DOI: 10.1007/s12035-021-02642-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/07/2021] [Indexed: 11/24/2022]
Abstract
Purpurin has various effects, including anti-inflammatory effects, and can efficiently cross the blood-brain barrier. In the present study, we investigated the effects of purpurin on oxidative stress in HT22 cells and mild brain damage in the gerbil hippocampal CA1 region induced by transient forebrain ischemia. Oxidative stress induced by H2O2 was significantly ameliorated by treatment with purpurin, based on changes in cell death, DNA fragmentation, formation of reactive oxygen species, and pro-apoptotic (Bax)/anti-apoptotic (Bcl-2) protein levels. In addition, treatment with purpurin significantly reduced the phosphorylation of c-Jun N-terminal kinase (JNK), extracellular signal-regulated kinase 1/2 (ERK), and p38 signaling in HT22 cells. Transient forebrain ischemia in gerbils led to a significant increase in locomotor activity 1 day after ischemia and significant decrease in number of surviving cells in the CA1 region 4 days after ischemia. Administration of purpurin reduced the travel distance 1 day after ischemia and abrogates the neuronal death in the hippocampal CA1 region 4 days after ischemia based on immunohistochemical and histochemical staining for NeuN and Fluoro-Jade C, respectively. Purpurin treatment significantly decreased the activation of microglia and astrocytes as well as the increases of nuclear factor kappa-light-chain-enhancer of activated B cells p65 in the hippocampal CA1 region 4 days after ischemia and ameliorated the ischemia-induced transient increases of interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α in the hippocampus 6 h after ischemia. In addition, purpurin significantly alleviated the ischemia-induced phosphorylation of JNK, ERK, and p38 in the hippocampus 1 day after ischemia. Furthermore, purpurin treatment significantly mitigated the increases of Bax in the hippocampus 1 day after ischemia and the lipid peroxidation based on malondialdehyde and hydroperoxides levels 2 days after ischemia. These results suggest that purpurin can be one of the potential candidates to reduce neuronal damage and inflammatory responses after oxidative stress in HT22 cells or ischemic damage in gerbils.
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Affiliation(s)
- Woosuk Kim
- Department of Biomedical Sciences, Research Institute for Bioscience and Biotechnology, Hallym University, Chuncheon, 24252, South Korea
- Department of Anatomy, College of Veterinary Medicine, and Veterinary Science Research Institute, Konkuk University, Seoul, 05030, South Korea
| | - Hyun Jung Kwon
- Department of Biomedical Sciences, Research Institute for Bioscience and Biotechnology, Hallym University, Chuncheon, 24252, South Korea
- Department of Biochemistry and Molecular Biology, Research Institute of Oral Sciences, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457, South Korea
| | - Hyo Young Jung
- Department of Anatomy and Cell Biology, College of Veterinary Medicine, and Research Institute for Veterinary Science, Seoul National University, Seoul, 08826, South Korea
- Department of Veterinary Medicine & Institute of Veterinary Science, Chungnam National University, Daejeon, South Korea
| | - Kyu Ri Hahn
- Department of Anatomy and Cell Biology, College of Veterinary Medicine, and Research Institute for Veterinary Science, Seoul National University, Seoul, 08826, South Korea
| | - Yeo Sung Yoon
- Department of Anatomy and Cell Biology, College of Veterinary Medicine, and Research Institute for Veterinary Science, Seoul National University, Seoul, 08826, South Korea
| | - In Koo Hwang
- Department of Anatomy and Cell Biology, College of Veterinary Medicine, and Research Institute for Veterinary Science, Seoul National University, Seoul, 08826, South Korea
| | - Soo Young Choi
- Department of Biomedical Sciences, Research Institute for Bioscience and Biotechnology, Hallym University, Chuncheon, 24252, South Korea.
| | - Dae Won Kim
- Department of Biochemistry and Molecular Biology, Research Institute of Oral Sciences, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457, South Korea.
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Metabonomics Study on Naotaifang Extract Alleviating Neuronal Apoptosis after Cerebral Ischemia-Reperfusion Injury. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:2112433. [PMID: 35321499 PMCID: PMC8938065 DOI: 10.1155/2022/2112433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 11/03/2021] [Accepted: 02/12/2022] [Indexed: 01/07/2023]
Abstract
Naotaifang extract (NTE) is a clinically effective traditional Chinese medicine compound for cerebral ischemia-reperfusion injury. Although NTE can achieve neuroprotective function through different mechanisms, the pharmacodynamic substances of NTE corresponding to these mechanisms have rarely been reported. Alleviating or inhibiting neuronal apoptosis is an important way to achieve neuroprotection. Accordingly, this study has evaluated the effects of NTE on alleviating neuronal apoptosis after cerebral ischemia-reperfusion injury from two levels of cells and tissues. Meanwhile, the serum pharmacochemistry of NTE was analyzed by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) with the guidance of Chinmedomics. The results included three aspects: (1) NTE could significantly alleviate neuronal apoptosis caused by in vitro cellular models and in vivo animal models; (2) a total of 21 serum differential metabolites was discovered, including adenosine, inosine, ferulic acid, calycosin, salidroside, 6-gingerol, 2-methoxycinnamaldehyde, and so on; (3) the metabolic pathway regulated by NTE was mainly purine metabolism. From these results, it can be concluded that alleviating neuronal apoptosis by NTE after cerebral ischemia-reperfusion injury is one of the important mechanisms to achieve neuroprotection. The pharmacodynamic substances of NTE for alleviating neuronal apoptosis on the one hand are related to components directly absorbed into blood, such as ferulic acid, calycosin, salidroside, 6-gingerol, and 2-methoxycinnamaldehyde and on the other hand are also closely linked to its indirect regulation of purine metabolism in the body to produce adenosine and inosine. Therefore, our research not only identified the main pharmacodynamic substances of NTE that alleviated neuronal apoptosis but also provided a methodological reference for studying other neuroprotective effects of NTE.
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Fan D, Liu C, Guo Z, Huang K, Peng M, Li N, Luo H, Wang T, Cen Z, Cai W, Gu L, Chen S, Li Z. Resveratrol Promotes Angiogenesis in a FoxO1-Dependent Manner in Hind Limb Ischemia in Mice. Molecules 2021; 26:molecules26247528. [PMID: 34946610 PMCID: PMC8707225 DOI: 10.3390/molecules26247528] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/29/2021] [Accepted: 12/09/2021] [Indexed: 12/29/2022] Open
Abstract
Critical limb ischemia (CLI) is a severe form of peripheral artery diseases (PAD) and seriously endangers the health of people. Therapeutic angiogenesis represents an important treatment strategy for CLI; various methods have been applied to enhance collateral circulation. However, the current development drug therapy to promote angiogenesis is limited. Resveratrol (RSV), a polyphenol compound extracted from plants, has various properties such as anti-oxidative, anti-inflammatory and anti-cancer effects. Whether RSV exerts protective effects on CLI remains elusive. In the current study, we demonstrated that oral intake of RSV significantly improved hind limb ischemia in mice, and increased the expression of phosphorylated Forkhead box class-O1 (FoxO1). RSV treatment in human umbilical vein endothelial cells (HUVECs) could increase the phosphorylation of FoxO1 and its cytoplasmic re-localization to promote angiogenesis. Then we manipulated FoxO1 in HUVECs to further verify that the effect of RSV on angiogenesis is in a FoxO1-dependent manner. Furthermore, we performed metabolomics to screen the metabolic pathways altered upon RSV intervention. We found that the pathways of pyrimidine metabolism, purine metabolism, as well as alanine, aspartate and glutamate metabolism, were highly correlated with the beneficial effects of RSV on the ischemic muscle. This study provides a novel direction for the medical therapy to CLI.
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Affiliation(s)
- Dongxiao Fan
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Chenshu Liu
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Zeling Guo
- Department of Otolaryngology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Kan Huang
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Meixiu Peng
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Na Li
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Hengli Luo
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Tengyao Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Zhipeng Cen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Weikang Cai
- Department of Biomedical Sciences, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, NY 11568, USA;
| | - Lei Gu
- Max Planck Institute for Heart and Lung Research and Cardiopulmonary Institute (CPI), 61231 Bad Nauheim, Germany;
| | - Sifan Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Correspondence: (S.C.); (Z.L.)
| | - Zilun Li
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
- Correspondence: (S.C.); (Z.L.)
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Dienel GA. Stop the rot. Enzyme inactivation at brain harvest prevents artifacts: A guide for preservation of the in vivo concentrations of brain constituents. J Neurochem 2021; 158:1007-1031. [PMID: 33636013 DOI: 10.1111/jnc.15293] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/30/2020] [Accepted: 01/05/2021] [Indexed: 12/25/2022]
Abstract
Post-mortem metabolism is widely recognized to cause rapid and prolonged changes in the concentrations of multiple classes of compounds in brain, that is, they are labile. Post-mortem changes from levels in living brain include components of pathways of metabolism of glucose and energy compounds, amino acids, lipids, signaling molecules, neuropeptides, phosphoproteins, and proteins. Methods that stop enzyme activity at brain harvest were developed almost 50 years ago and have been extensively used in studies of brain functions and diseases. Unfortunately, these methods are not commonly used to harvest brain tissue for mass spectrometry-based metabolomic studies or for imaging mass spectrometry studies (IMS, also called mass spectrometry imaging, MSI, or matrix-assisted laser desorption/ionization-MSI, MALDI-MSI). Instead these studies commonly kill animals, decapitate, dissect out brain and regions of interest if needed, then 'snap' freeze the tissue to stop enzymatic activity after harvest, with post-mortem intervals typically ranging from ~0.5 to 3 min. To increase awareness of the importance of stopping metabolism at harvest and preventing the unnecessary complications of not doing so, this commentary provides examples of labile metabolites and the magnitudes of their post-mortem changes in concentrations during brain harvest. Brain harvest methods that stop metabolism at harvest eliminate post-mortem enzymatic activities and can improve characterization of normal and diseased brain. In addition, metabolomic studies would be improved by reporting absolute units of concentration along with normalized peak areas or fold changes. Then reported values can be evaluated and compared with the extensive neurochemical literature to help prevent reporting of artifactual data.
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Affiliation(s)
- Gerald A Dienel
- Department of Neurology, University of Arkansas for Medical Sciences, Little Rock, AR, USA.,Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, NM, USA
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Baranovicova E, Kalenska D, Tomascova A, Holubcikova S, Lehotsky J. Time-related metabolomics study in the rat plasma after global cerebral ischemia and reperfusion: Effect of ischemic preconditioning. IUBMB Life 2020; 72:2010-2023. [PMID: 32663378 DOI: 10.1002/iub.2340] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/02/2020] [Accepted: 06/02/2020] [Indexed: 01/09/2023]
Abstract
Cardiac arrest is one of the major causes of death and disability. The aim of the study was to identify dynamic time-dependent metabolomic changes reflected in rat plasma induced by cerebral ischemia and reperfusion with the focus on the protective effect of ischemic preconditionig. Global cerebral ischemia in rats was induced by the four-vessel occlusion. Blood plasma was collected in three reperfusion times: an early post-acute 3 hr, then 24 hr, as an incipient time for delayed neuronal death induction and 72 hr as prolonged reperfusion period. The metabolomic measurements were conducted via untargeted nuclear magnetic resonance spectroscopy. Plasma of ischemized rats manifested dynamic metabolomic changes over the reperfusion time, such as increased levels of ketone bodies, decreased levels of pyruvate, alanine, and citrate. All three branched chain amino acids showed common pattern during reperfusion time: a decrease in 3 hr compared to sham, then a highest level in 24 hr and decrease in 72 hr reperfusion time, similar to their corresponding ketoacids. The protective effect of ischemic preconditioning was demonstrated by a faster tendency of plasma metabolites to normalize. Results also proved the remarkable metabolomic differences between the control (naïve) and sham-operated anesthetized animals, what warrants for critical evaluation of surgery/anaesthesy in the algorithm of metabolomic animal studies.
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Affiliation(s)
- Eva Baranovicova
- Biomedical Center BioMed, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Dagmar Kalenska
- Department of Anatomy, Jessenius Faculty of Medicinein Martin, Comenius University in Bratislava, Martin, Slovakia.,Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Anna Tomascova
- Biomedical Center BioMed, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia.,Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Simona Holubcikova
- Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Jan Lehotsky
- Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
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