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El-Shoura EAM, Abdelzaher LA, Ahmed AAN, Abdel-Wahab BA, Sharkawi SMZ, Mohamed SA, Salem EA. Reno-protective effect of nicorandil and pentoxifylline against potassium dichromate-induced acute renal injury via modulation p38MAPK/Nrf2/HO-1 and Notch1/TLR4/NF-κB signaling pathways. J Trace Elem Med Biol 2024; 85:127474. [PMID: 38788404 DOI: 10.1016/j.jtemb.2024.127474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 04/09/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024]
Abstract
BACKGROUND Occupational and environmental exposure to chromium compounds such as potassium dichromate (PDC) (K2Cr2O7) has emerged as a potential aetiologic cause for renal disease through apoptotic, and inflammatory reactions. The known potent antioxidants such as nicorandil (NIC) and/or pentoxifylline (PTX) were studied for their possible nephroprotective effect in PDC-treated rats. METHODS Forty male Wistar rats were divided into five groups; control, PDC group, NIC+PDC, PTX+PDC group, and combination+PDC group. Nephrotoxicity was evaluated histopathologically and biochemically. Invasive blood pressure, renal function parameters urea, creatinine, uric acid and albumin, glomerular filtration rate markers Cys-C, Kim-1 and NGAL, inflammatory markers IL-1β, IL-6, TNF-α, TGF-β, COX-II, p38MAPK, NF-κB and TLR4, oxidative stress SOD, GSH, MDA, MPO, HO-1 and Nrf2 and apoptotic mediators Notch1 and PCNA were evaluated. Besides, renal cortical histopathology was assayed as well. RESULTS PDC led to a considerable increase in indicators for kidney injury, renal function parameters, invasive blood pressure, oxidative stress, and inflammatory markers. They were markedly reduced by coadministration of PDC with either/or NIC and PTX. The NIC and PTX combination regimen showed a more significant improvement than either medication used alone. Our results demonstrated the nephroprotective effect of NIC, PTX, and their combined regimen on PDC-induced kidney injury through suppression of oxidative stress, apoptosis, and inflammatory response. CONCLUSION Renal recovery from PDC injury was achieved through enhanced MAPK/Nrf2/HO-1 and suppressed Notch1/TLR4/NF-κB signaling pathways. This study highlights the role of NIC and PTX as effective interventions to ameliorate nephrotoxicity in patients undergoing PDC toxicity.
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Affiliation(s)
- Ehab A M El-Shoura
- Department of Clinical Pharmacy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt; Department of Pharmacy Practice, Faculty of Pharmacy, Horus University, New Damietta, Egypt.
| | - Lobna A Abdelzaher
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Ahmed A N Ahmed
- Department of Pharmacology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Basel A Abdel-Wahab
- Department of Pharmacology, College of Pharmacy, Najran University, P.O. Box 1988, Najran, Saudi Arabia
| | - Souty M Z Sharkawi
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | | | - Esraa A Salem
- Department of Medical Physiology, Faculty of Medicine, Menoufia University, Shebeen ElKom 32511, Egypt
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2
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Ren Q, Bakker W, de Haan L, Rietjens IMCM, Bouwmeester H. Induction of Nrf2-EpRE-mediated gene expression by hydroxyanthraquinones present in extracts from traditional Chinese medicine and herbs. Food Chem Toxicol 2023; 176:113802. [PMID: 37116774 DOI: 10.1016/j.fct.2023.113802] [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: 12/15/2022] [Revised: 04/17/2023] [Accepted: 04/25/2023] [Indexed: 04/30/2023]
Abstract
Hydroxyanthraquinones that can be present in traditional Chinese medicine (TCM) and herbal extracts have claimed beneficial intestinal effects. We examined the ability of a panel hydroxyanthraquinones, and methanolic extracts from selected TCM and herbal granules to activate Nrf2-EpRE mediated gene expression using a reporter-gene assay. The results indicate that purpurin, aloe-emodin, 2-hydroxy-3-methylanthraquinone and rhein induced Nrf2 mediated gene expressions with a high induction factor (IFs>10), with BMCL10 values (the lower confidence limit of the concentration giving 10% added response above background) of 16 μM, 1.1 μM, 23 μM and 2.3 μM, respectively, while aurantio-obtusin, obtusifolin, rubiadin 1-methyl ether and emodin were less potent (IFs<5), with BMCL10 values for added response above background level of 4.6 μM, 15 μM, 9.8 μM and 3.8 μM, respectively. All TCM extracts and the herbal extracts of Aloe Vera, Polygonum multiflorum, Rubia (cordifolia) and Rheum officinale activated the Nrf2-EpRE pathway. Of the TCM extracts, Chuan-Xin-Lian-Kang-Yan-Pian was the most potent Nrf2-inducer. LC-MS/MS analysis indicated the presence of selected hydroxyanthraquinones in the extracts and herbs, in part explaining their Nrf2-EpRE mediated activity. In conclusion, different hydroxyanthraquinones have different potencies of Nrf2 activation. The Nrf2 activation by extracts from TCM and herbs can be partially explained by the presence of selected hydroxyanthraquinones.
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Affiliation(s)
- Qiuhui Ren
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, the Netherlands.
| | - Wouter Bakker
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, the Netherlands
| | - Laura de Haan
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, the Netherlands
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, the Netherlands
| | - Hans Bouwmeester
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, the Netherlands
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3
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Chen L, Chen S, Yang XF, Min JW. Antioxidants attenuate mitochondrial oxidative damage through the Nrf2 pathway: A promising therapeutic strategy for stroke. J Neurosci Res 2023. [PMID: 36977650 DOI: 10.1002/jnr.25194] [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: 08/25/2022] [Revised: 02/05/2023] [Accepted: 03/10/2023] [Indexed: 03/30/2023]
Abstract
Stroke represents one of the leading causes of disability and death worldwide. Reactive oxygen species overproduction-induced oxidative stress in mitochondria results in mitochondrial DNA damage, mitochondrial autophagy (mitophagy), inflammation, and apoptosis during the pathologic progression of stroke. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a master regulator that induces the transcription of a wide range of antioxidant genes to attenuate mitochondrial oxidative stress. Different antioxidative compounds, including polyphenols, mitochondrial antioxidants, triterpenoids, and others, have been shown to be able to activate Nrf2 and, thus, exert neuroprotective effects on stroke by ameliorating mitochondrial oxidative damage. In this review, we briefly discussed the role of mitochondrial oxidative stress in the pathophysiology of stroke and focused on the protective effects of antioxidative compounds through attenuating mitochondrial oxidative damage by activating Nrf2 in stroke. In conclusion, these antioxidants may represent novel therapeutic strategies against stroke.
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Affiliation(s)
- Ling Chen
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis and Treatment, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Su Chen
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis and Treatment, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Xiao-Fei Yang
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis and Treatment, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Jia-Wei Min
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, Hubei Key Laboratory of Medical Information Analysis and Tumor Diagnosis and Treatment, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
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4
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Li Y, Chen L, Zheng D, Liu JX, Liu C, Qi SH, Hu PC, Yang XF, Min JW. Echinocystic acid alleviated hypoxic-ischemic brain damage in neonatal mice by activating the PI3K/Akt/Nrf2 signaling pathway. Front Pharmacol 2023; 14:1103265. [PMID: 36843928 PMCID: PMC9947717 DOI: 10.3389/fphar.2023.1103265] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 01/30/2023] [Indexed: 02/11/2023] Open
Abstract
Neonatal hypoxic-ischemic encephalopathy (HIE) is considered a major cause of death and long-term neurological injury in newborns. Studies have demonstrated that oxidative stress and apoptosis play a major role in the progression of neonatal HIE. Echinocystic acid (EA), a natural plant extract, shows great antioxidant and antiapoptotic activities in various diseases. However, it has not yet been reported whether EA exerts a neuroprotective effect against neonatal HIE. Therefore, this study was undertaken to explore the neuroprotective effects and potential mechanisms of EA in neonatal HIE using in vivo and in vitro experiments. In the in vivo study, a hypoxic-ischemic brain damage (HIBD) model was established in neonatal mice, and EA was administered immediately after HIBD. Cerebral infarction, brain atrophy and long-term neurobehavioral deficits were measured. Hematoxylin and eosin (H&E), terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) and dihydroethidium (DHE) staining were performed, and the contents of malondialdehyde (MDA) and glutathione (GSH) were detected. In the in vitro study, an oxygen-glucose deprivation/reperfusion (OGD/R) model was employed in primary cortical neurons, and EA was introduced during OGD/R. Cell death and cellular ROS levels were determined. To illustrate the mechanism, the PI3K inhibitor LY294002 and Nrf2 inhibitor ML385 were used. The protein expression levels of p-PI3K, PI3K, p-Akt, Akt, Nrf2, NQO1, and HO-1 were measured by western blotting. The results showed that EA treatment significantly reduced cerebral infarction, attenuated neuronal injury, and improved brain atrophy and long-term neurobehavioral deficits in neonatal mice subjected to HIBD. Meanwhile, EA effectively increased the survival rate in neurons exposed to OGD/R and inhibited oxidative stress and apoptosis in both in vivo and in vitro studies. Moreover, EA activated the PI3K/Akt/Nrf2 pathway in neonatal mice following HIBD and in neurons after OGD/R. In conclusion, these results suggested that EA alleviated HIBD by ameliorating oxidative stress and apoptosis via activation of the PI3K/Akt/Nrf2 signaling pathway.
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Affiliation(s)
- Yuan Li
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Ling Chen
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Da Zheng
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Jian-Xia Liu
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Chao Liu
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Shao-Hua Qi
- Department of Systems Medicine and Bioengineering, Houston Methodist Cancer Center, Weill Cornell Medicine, Houston, TX, United States
| | - Peng-Chao Hu
- Department of Oncology, Xiangyang No. 1 People’s Hospital, Hubei University of Medicine, Xiangyang, China
| | - Xiao-Fei Yang
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China
| | - Jia-Wei Min
- Key Laboratory of Cognitive Science, Laboratory of Membrane Ion Channels and Medicine, College of Biomedical Engineering, South-Central Minzu University, Wuhan, China,*Correspondence: Jia-Wei Min,
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5
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Xue S, Geng A, Lian T, Liu Y. Scutellaria barbata D. Don inhibits cervical cancer cell proliferation, migration, and invasion via miR-195-5p/LOXL2 axis. Toxicol Res (Camb) 2022; 11:804-811. [PMID: 36337243 PMCID: PMC9618116 DOI: 10.1093/toxres/tfac058] [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: 03/07/2022] [Revised: 06/30/2022] [Accepted: 07/07/2022] [Indexed: 09/01/2023] Open
Abstract
Background Scutellaria barbata D. Don (SB) is a widely used herbal medicine in China, with various pharmacological effects such as anti-oxidation, anti-inflammation, and anti-cancer. This work is aimed to investigate the tumor-suppressive effect of SB in cervical cancer (CC) and to identify its underlying mechanisms. Methods and materials CC cell lines (HeLa and HT-3) were treated with different concentrations of SB chloroform extract (ECSB) (0, 0.2, 0.5 mg/ml). MiR-195-5p and LOXL2 mRNA expression in CC cell lines and tissue samples was detected by quantitative real-time polymerase chain reaction. Cell counting kit-8 experiment was utilized to examine cell viability; TUNEL assay and Transwell experiment was executed to examine cell apoptosis, migration, and invasion. Western blotting experiments were implemented to detect LOXL2 protein expression. Bioinformatics and dual-luciferase reporter gene experiment were executed to examine the binding relationship between miR-195-5p and LOXL2. Results ECSB repressed the viability, migration, and invasion of HeLa and HT-3 cells, and promoted cell apoptosis in a dose-dependent manner. MiR-195-5p was remarkably under-expressed in CC tissues and cells, and ECSB up-regulated miR-195-5p expression. MiR-195-5p inhibitors partially counteracted the suppressive effects of ECSB on the malignant phenotypes of HeLa and HT-3 cells. LOXL2 was a downstream target of miR-195-5p, and ECSB up-modulated LOXL2 expression by specifically repressing miR-195-5p. Conclusion SB restrains CC cell proliferation and metastasis and promotes cell apoptosis via miR-195-5p/LOXL2, which may be a potential therapeutic agent for CC treatment.
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Affiliation(s)
- Shouyu Xue
- Clinical Medical School, Xi’an Medical University, Xi’an 710021, Shaanxi Province, China
| | - Aimin Geng
- Department of Urological Surgery, Chang’ an Hospital, Xi’an 710016, Shaanxi Province, China
| | - Ting Lian
- Clinical Medical School, Xi’an Medical University, Xi’an 710021, Shaanxi Province, China
| | - Yun Liu
- Department of Infectious Diseases, Shaanxi Provincial Hospital of Chinese Medicine, Xi’an 710003, Shaanxi Province, China
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6
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Gu C, Zhang Q, Li Y, Li R, Feng J, Chen W, Ahmed W, Soufiany I, Huang S, Long J, Chen L. The PI3K/AKT Pathway-The Potential Key Mechanisms of Traditional Chinese Medicine for Stroke. Front Med (Lausanne) 2022; 9:900809. [PMID: 35712089 PMCID: PMC9194604 DOI: 10.3389/fmed.2022.900809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/26/2022] [Indexed: 12/16/2022] Open
Abstract
Stroke is associated with a high disability and fatality rate, and adversely affects the quality of life of patients and their families. Traditional Chinese Medicine (TCM) has been used effectively in the treatment of stroke for more than 2000 years in China and surrounding countries and regions, and over the years, this field has gleaned extensive clinical treatment experience. The Phosphatidylinositol 3 kinase (PI3K)/protein kinase B (AKT) pathway is important for regulation of cell migration, proliferation, differentiation, and apoptosis, and plays a vital role in vascularization and oxidative stress in stroke. Current Western medicine treatment protocols for stroke include mainly pharmacologic or mechanical thrombectomy to restore blood flow. This review collates recent advances in the past 5 years in the TCM treatment of stroke involving the PI3K/AKT pathway. TCM treatment significantly reduces neuronal damage, inhibits cell apoptosis, and delays progression of stroke via various PI3K/AKT-mediated downstream pathways. In the future, TCM can provide new perspectives and directions for exploring the key factors, and effective activators or inhibitors that affect occurrence and progression of stroke, thereby facilitating treatment.
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Affiliation(s)
- Chenyang Gu
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Qiankun Zhang
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Yajing Li
- Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Rong Li
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Jia Feng
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Wanghao Chen
- Department of Neurosurgery, Shanghai 9th People Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Waqas Ahmed
- School of Medicine, Southeast University, Nanjing, China
| | | | - Shiying Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Jun Long
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Lukui Chen
- Department of Neurosurgery, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
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7
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Chen T, Zhang S, Jin H, Fu X, Shang L, Lu Y, Sun Y, Hisham Yahaya B, Liu Y, Lin J. Nonfreezing Low Temperature Maintains the Viability of Menstrual Blood-Derived Endometrial Stem Cells Under Oxygen-Glucose Deprivation Through the Sustained Release of Autophagy-Produced Energy. Cell Transplant 2022; 31:9636897221086971. [PMID: 35416078 PMCID: PMC9014719 DOI: 10.1177/09636897221086971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Between the completion of the mesenchymal stem cell (MSCs) preparation and the transplantation into the patient, there is a time interval during which the quality control and transport of MSC products occur, which usually involves suspending the cells in normal saline in an oxygen-glucose deprivation (OGD) microenvironments. Thus, how to effectively maintain MSC viability during the abovementioned time interval is bound to play a significant role in the therapeutic effect of MSC-based therapies. Recently, menstrual blood-derived endometrial stem cells (MenSCs) have attracted extensive attention in regenerative medicine due to their superior biological characteristics, including noninvasive protocols for their collection, abundant source material, stable donation, and autotransplantation. Therefore, this study aimed to mainly determine the effect of storage temperature on the maintenance of MenSC viabilities in an OGD microenvironment, and to preliminarily explore its potential mechanism. Simultaneously, the effects of solvents commonly used in the clinic on MenSC viability were also examined to support the clinical application of MenSCs. Consequently, our results demonstrated that in the OGD microenvironment, a nonfreezing low temperature (4°C) was suitable and cost-effective for MenSC storage, and the maintenance of MenSC viability stored at 4°C was partly contributed by the sustained releases of autophagy-produced energy. Furthermore, the addition of human serum albumin effectively inhibited the cell sedimentations in the MenSC suspension. These results provide support and practical experience for the extensive application of MenSCs in the clinic.
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Affiliation(s)
- Tongtong Chen
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Shenghui Zhang
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China.,The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Hongzhang Jin
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Xiaofei Fu
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China.,The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Lingrui Shang
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Yilin Lu
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Yuliang Sun
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China.,College of Biomedical Engineering, Xinxiang Medical University, Xinxiang, China
| | - Badrul Hisham Yahaya
- Lung Stem Cell and Gene Therapy Group, Regenerative Medicine Cluster, Advanced Medical and Dental Institute (IPPT), Universiti Sains Malaysia, Penang Malaysia
| | - Yanli Liu
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Juntang Lin
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China.,College of Biomedical Engineering, Xinxiang Medical University, Xinxiang, China
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8
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Zhu Y, Wang L, Yu X, Jiang S, Wang X, Xing Y, Guo S, Liu Y, Liu J. Cr(VI) promotes tight joint and oxidative damage by activating the Nrf2/ROS/Notch1 axis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 85:103640. [PMID: 33757840 DOI: 10.1016/j.etap.2021.103640] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
This study aimed to investigate whether Cr(VI) induced tight joint and oxidative damage in the small intestine, as mediated by the nuclear factor erythroid 2-related factor 2 (Nrf2)/reactive oxygen species (ROS)/Notch1 axis crosstalk. Thirty-two ICR mice were obtained and subjected to Cr(VI) via intragastric administration daily for 5 days. Western blot (WB) analysis, enzyme-linked immunosorbent assay (ELISA), immunohistochemistry (IHC) staining, and immunofluorescence (IF) staining were applied to detect small intestinal damage, Nrf2, Notch1, and respective downstream targets in this research. Results showed that Cr(VI) led to the tight joint and oxidative damage in the small intestine of mice. Nrf2 was stimulated, and Notch1 (Notch intracellular domain, NICD1) was activated to translocate into the nucleus and activate an antioxidant action. These findings were validated by WB analysis and IF staining. ROS levels increased as the Cr(VI) concentration increased. The colocalization analysis of Nrf2 and NICD1 implied that a crosstalk between Nrf2 and Notch1 existed. Therefore, this study indicated that the Nrf2/ROS/Notch1 axis crosstalk could aggravate the tight joint and oxidative damage in the small intestine after Cr(VI) treatment.
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Affiliation(s)
- Yiran Zhu
- College of Veterinary Medicine, Shandong Agricultural University, Tai`an, Shandong, 271018, China
| | - Lumei Wang
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai`an, Shandong, 271018, China
| | - Xiaohui Yu
- China Animal Health and Epidemiology Center, Qingdao, Shandong, 266032, China
| | - Sha Jiang
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, 400715, China
| | - Xiaozhou Wang
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai`an, Shandong, 271018, China
| | - Yuxiao Xing
- College of Veterinary Medicine, Shandong Agricultural University, Tai`an, Shandong, 271018, China
| | - Shuhua Guo
- College of Veterinary Medicine, Shandong Agricultural University, Tai`an, Shandong, 271018, China
| | - Yongxia Liu
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Tai`an, Shandong, 271018, China.
| | - Jianzhu Liu
- College of Veterinary Medicine, Shandong Agricultural University, Tai`an, Shandong, 271018, China.
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9
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Huang Y, Deng S, Ai Y, Mo Y, Li W, Peng Q, Huang L, Zhang L. MicroRNA-125b alleviates hydrogen-peroxide-induced abnormal mitochondrial dynamics in HT22 cells by inhibiting p53. Metab Brain Dis 2021; 36:601-608. [PMID: 33475982 DOI: 10.1007/s11011-020-00666-4] [Citation(s) in RCA: 1] [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: 04/02/2020] [Accepted: 12/29/2020] [Indexed: 11/30/2022]
Abstract
Micro-RNA125b (miR-125b) and tumor protein p53 (p53) are involved in the regulation of mitochondrial dynamics; however, the mechanism of their possible interaction during oxidative stress remains unclear. In this study, we investigated the role and mechanism of miR-125b and p53 in oxidative stress-induced mitochondrial damage in immortalized mouse hippocampal HT22 cells. Following stimulation with H2O2, we observed downregulation of miR-125b expression, upregulation of p53 expression, mitochondria were damaged and increased cell death. Overexpression of miR-125b alleviated mitochondrial damage and inhibited p53 expression. Furthermore, confocal and electron microscopy showed that overexpression of p53 eliminated the protective effect of miR-125b on the mitochondria. Thus, miR-125b alleviates abnormal mitochondrial homeostasis in H2O2-treated HT22 cells by suppressing p53 expression. Our data reveal a new model by which miR-125b influences mitochondrial dynamics.
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Affiliation(s)
- Yan Huang
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Songyun Deng
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Yuhang Ai
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Yunan Mo
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Wenchao Li
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Qianyi Peng
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Li Huang
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008
| | - Lina Zhang
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China, 410008.
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10
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Tao T, Liu M, Chen M, Luo Y, Wang C, Xu T, Jiang Y, Guo Y, Zhang JH. Natural medicine in neuroprotection for ischemic stroke: Challenges and prospective. Pharmacol Ther 2020; 216:107695. [DOI: 10.1016/j.pharmthera.2020.107695] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/13/2022]
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11
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Li Y, Sun J, Wu R, Bai J, Hou Y, Zeng Y, Zhang Y, Wang X, Wang Z, Meng X. Mitochondrial MPTP: A Novel Target of Ethnomedicine for Stroke Treatment by Apoptosis Inhibition. Front Pharmacol 2020; 11:352. [PMID: 32269527 PMCID: PMC7109312 DOI: 10.3389/fphar.2020.00352] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 03/09/2020] [Indexed: 12/31/2022] Open
Abstract
Mammalian mitochondrial permeability transition pore (MPTP), across the inner and outer membranes of mitochondria, is a nonspecific channel for signal transduction or material transfer between mitochondrial matrix and cytoplasm such as maintenance of Ca2+ homeostasis, regulation of oxidative stress signals, and protein translocation evoked by some of stimuli. Continuous MPTP opening has been proved to stimulate neuronal apoptosis in ischemic stroke. Meanwhile, inhibition of MPTP overopening-induced apoptosis has shown excellent efficacy in the treatment of ischemic stroke. Among of which, the potential molecular mechanisms of drug therapy for stroke has also been gradually revealed by researchers. The characteristics of multi-components or multi-targets for ethnic drugs also provide the possibility to treat stroke from the perspective of mitochondrial MPTP. The advantages mentioned above make it necessary for us to explore and clarify the new perspective of ethnic medicine in treating stroke and to determine the specific molecular mechanisms through advanced technologies as much as possible. In this review, we attempt to uncover the relationship between abnormal MPTP opening and neuronal apoptosis in ischemic stroke. We further summarized currently authorized drugs, ethnic medicine prescriptions, herbs, and identified monomer compounds for inhibition of MPTP overopening-induced ischemic neuron apoptosis. Finally, we strive to provide a new perspective and enlightenment for ethnic medicine in the prevention and treatment of stroke by inhibition of MPTP overopening-induced neuronal apoptosis.
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Affiliation(s)
- Yangxin Li
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiayi Sun
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ruixia Wu
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jinrong Bai
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ya Hou
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yong Zeng
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Zhang
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaobo Wang
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhang Wang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xianli Meng
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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12
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Zhang J, Jiang Y, Liu N, Shen T, Jung HW, Liu J, Yan BC. A Network-Based Method for Mechanistic Investigation and Neuroprotective Effect on Post-treatment of Senkyunolid-H Against Cerebral Ischemic Stroke in Mouse. Front Neurol 2019; 10:1299. [PMID: 31920923 PMCID: PMC6930873 DOI: 10.3389/fneur.2019.01299] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 11/25/2019] [Indexed: 12/12/2022] Open
Abstract
Senkyunolide-H (SEH), a major bioactive compound extracted from Ligusticum chuanxiong, has been reported to be effective in preventing cerebral ischemic stroke (CIS). In this study, we employed network pharmacology to reveal potential mechanism of SEH against CIS on a system level and confirmed the therapeutic effects of SEH on CIS by models of cerebral ischemia-reperfusion in vivo and in vitro. Through protein-protein interaction networks construction of SEH- and CIS-related targets, a total of 62 key targets were obtained by screening topological indices and analyzed for Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment. Gene Ontology analysis indicated that SEH might have a role in treating CIS via regulating some biological processes including regulation of transcription from RNA polymerase II promoter, epidermal growth factor receptor signaling pathway, phosphatidylinositol-mediated signaling, and some molecular function, such as transcription factor and protein phosphatase binding and nitric oxide synthase regulator activity. Meanwhile, the Kyoto Encyclopedia of Genes and Genomes analysis showed that phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) signaling pathway was significantly enriched. In addition, our result showed that SEH posttreatment significantly decreased the neurological scores, infarct volume, and neuronal death in the middle cerebral artery occlusion mice. Moreover, the PI3K/Akt/nuclear factor kappa B signaling pathway was activated by intragastric administration of 40 mg/kg SEH, as verified by Western blot. In vitro, treatment of PC12 cells with 100 μM SEH markedly reduced cell death induced by oxygen-glucose deprivation through the activation of PI3K/Akt/nuclear factor kappa B pathway, and the therapeutic effect of SEH was obviously inhibited by 10 μM LY294002. In summary, these results suggested that SEH carries a therapeutic potential in CIS involving multiple targets and pathways, and the most crucial mechanism might be through the activation of PI3K/Akt/nuclear factor kappa B (NF-κB) signaling pathway to inhibit inflammatory factor releases and increase the antiapoptosis capacity. Our study furnishes the future traditional Chinese medicine research with a network pharmacology framework.
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Affiliation(s)
- Jie Zhang
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Department of Traditional Chinese and Western Medicine, Yangzhou University, Yangzhou, China
| | - Yunyao Jiang
- School of Pharmaceutical Sciences, Institute for Chinese Materia Medica, Tsinghua University, Beijing, China
| | - Nan Liu
- Beijing Increase Research for Drug Efficacy and Safety Co., Ltd., Beijing, China
| | - Ting Shen
- School of Life Sciences, Huaiyin Normal University, Huai'an, China
| | - Hyo Won Jung
- Department of Herbology, College of Korean Medicine, Dongguk University, Gyeongju-si, South Korea.,Korean Medicine R&D Center, Dongguk University, Gyeongju-si, South Korea
| | - Jianxun Liu
- Beijing Key Laboratory of TCM Pharmacology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Bing Chun Yan
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Department of Traditional Chinese and Western Medicine, Yangzhou University, Yangzhou, China.,Department of Neurology, Affiliated Hospital, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
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13
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Lion's Mane Mushroom, Hericium erinaceus (Bull.: Fr.) Pers. Suppresses H 2O 2-Induced Oxidative Damage and LPS-Induced Inflammation in HT22 Hippocampal Neurons and BV2 Microglia. Antioxidants (Basel) 2019; 8:antiox8080261. [PMID: 31374912 PMCID: PMC6720269 DOI: 10.3390/antiox8080261] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/28/2019] [Accepted: 08/01/2019] [Indexed: 12/15/2022] Open
Abstract
Oxidative stress and inflammation in neuron-glia system are key factors in the pathogenesis of neurodegenerative diseases. As synthetic drugs may cause side effects, natural products have gained recognition for the prevention or management of diseases. In this study, hot water (HE-HWA) and ethanolic (HE-ETH) extracts of the basidiocarps of Hericium erinaceus mushroom were investigated for their neuroprotective and anti-inflammatory activities against hydrogen peroxide (H2O2)-induced neurotoxicity in HT22 mouse hippocampal neurons and lipopolysaccharide (LPS)-induced BV2 microglial activation respectively. HE-ETH showed potent neuroprotective activity by significantly (p < 0.0001) increasing the viability of H2O2-treated neurons. This was accompanied by significant reduction in reactive oxygen species (ROS) (p < 0.05) and improvement of the antioxidant enzyme catalase (CAT) (p < 0.05) and glutathione (GSH) content (p < 0.01). Besides, HE-ETH significantly improved mitochondrial membrane potential (MMP) (p < 0.05) and ATP production (p < 0.0001) while reducing mitochondrial toxicity (p < 0.001), Bcl-2-associated X (Bax) gene expression (p < 0.05) and nuclear apoptosis (p < 0.0001). However, gene expression of Nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase 1 (HO-1) and NAD(P)H quinone dehydrogenase 1 (NQO1) were unaffected (p > 0.05). HE-ETH also significantly (p < 0.0001) reduced nitric oxide (NO) level in LPS-treated BV2 indicating an anti-inflammatory activity in the microglia. These findings demonstrated HE-ETH maybe a potential neuroprotective and anti-inflammatory agent in neuron-glia environment.
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