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Niu L, Xu M, Liu W, Yu H, Yu S, Li F, Wang T, Sun D, Yao T, Li W, Yang Z, Liu X, Zuo Z. The GLCCI1/STAT3 pathway: a novel pathway involved in diabetic cognitive dysfunction and the therapeutic effect of salidroside. J Mol Histol 2024:10.1007/s10735-024-10236-y. [PMID: 39198367 DOI: 10.1007/s10735-024-10236-y] [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: 03/21/2024] [Accepted: 07/24/2024] [Indexed: 09/01/2024]
Abstract
Diabetic cognitive dysfunction (DCD) is a complication of diabetes that seriously affects quality of life. Glucocorticoid-induced transcript 1 (GLCCI1) has been found to be involved in inflammation, apoptosis and autophagy in various diseases. However, the distribution of GLCCI1 in the brain and its role in DCD have not yet been revealed. In addition, the potential therapeutics effects of salidroside (SAL), a phenyl propyl glycoside compound known for its neuroprotective effects in treating DCD are unknow. In the present study, we found that GLCCI1 was localized in hippocampal neurons. C57BL/6 J mice with DCD presented downregulation of GLCCI1 and Bcl-2 and upregulation of p-STAT3/STAT3, Bax, Cleaved Caspase-3/Caspase-3. Overexpression of GLCCI1 or SAL administration relieved DCD, reversed the changes in the expression of these cytokines, and alleviated morphological alterations in hippocampal neurons. Interestingly, SAL alleviated DCD and attenuated the expression of GLCCI1 and p-STAT3, showing similar effects as GLCCI1 overexpression. These findings suggest that the GLCCI1/STAT3 axis plays a crucial role in DCD and is involved in SAL-mediated attenuation of DCD.
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Affiliation(s)
- Lin Niu
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Min Xu
- Liaoning Key Laboratory of Diabetic Cognitive and Perceptive Dysfunction, Jinzhou, 121001, Liaoning, China
- College of Nursing, Physiology, Liaoning Vocational University of Technology, Jinzhou, 121001, Liaoning, China
| | - Wenqiang Liu
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
- Liaoning Key Laboratory of Diabetic Cognitive and Perceptive Dysfunction, Jinzhou, 121001, Liaoning, China
| | - Hongdan Yu
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Shengxue Yu
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Fuzhi Li
- Department of Thoraxes Surgery of the Third Affiliated Hospital, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Teng Wang
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Die Sun
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Tiefeng Yao
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Wanze Li
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Zhengzhong Yang
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China
| | - Xuezheng Liu
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China.
- Liaoning Key Laboratory of Diabetic Cognitive and Perceptive Dysfunction, Jinzhou, 121001, Liaoning, China.
| | - Zhongfu Zuo
- Department of Anatomy, Histology and Embryology, Jinzhou Medical University, Jinzhou, 121001, Liaoning, China.
- Liaoning Key Laboratory of Diabetic Cognitive and Perceptive Dysfunction, Jinzhou, 121001, Liaoning, China.
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Zhu L, Yang M, Fan L, Yan Q, Zhang L, Mu P, Lu F. Interaction between resveratrol and SIRT1: role in neurodegenerative diseases. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03319-w. [PMID: 39105797 DOI: 10.1007/s00210-024-03319-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Accepted: 07/18/2024] [Indexed: 08/07/2024]
Abstract
Neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, and Huntington's disease, pose significant health challenges and economic burdens worldwide. Recent studies have emphasized the potential therapeutic value of activating silent information regulator-1 (SIRT1) in treating these conditions. Resveratrol, a compound known for its ability to potently activate SIRT1, has demonstrated promising neuroprotective effects by targeting the underlying mechanisms of neurodegeneration. In this review, we delve into the crucial role of resveratrol-mediated SIRT1 upregulation in improving neurodegenerative diseases. The role of the activation of SIRT1 by resveratrol was reviewed. Moreover, network pharmacology was used to elucidate the possible mechanisms of resveratrol in these diseases. Activation of SIRT1 by resveratrol had positive effects on neuronal function and survival and alleviated the hallmark features of these diseases, such as protein aggregation, oxidative stress, neuroinflammation, and mitochondrial dysfunction. In terms of network pharmacology, the signaling pathways by which resveratrol protects against different neurodegenerative diseases were slightly different. Although the precise mechanisms underlying the neuroprotective effects of resveratrol and SIRT1 activation remain under investigation, these findings offer valuable insights into potential therapeutic strategies for neurodegenerative diseases.
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Affiliation(s)
- Lin Zhu
- Department of Biochemistry and Molecular Biology, Shenyang Medical College, Shenyang, 113004, People's Republic of China
- Key Laboratory of Human Ethnic Specificity and Phenomics of Critical Illness in Liaoning Province, Shenyang Medical College, Shenyang, 113004, People's Republic of China
| | - Miaomiao Yang
- Department of Biochemistry and Molecular Biology, Shenyang Medical College, Shenyang, 113004, People's Republic of China
- Basic Medical College, Shenyang Medical College, Shenyang, 113004, People's Republic of China
| | - Lehao Fan
- Basic Medical College, Shenyang Medical College, Shenyang, 113004, People's Republic of China
| | - Qiuying Yan
- Basic Medical College, Shenyang Medical College, Shenyang, 113004, People's Republic of China
| | - Lifeng Zhang
- Department of Public Health, Shenyang Medical College, Shenyang, 113004, People's Republic of China.
| | - Ping Mu
- Key Laboratory of Human Ethnic Specificity and Phenomics of Critical Illness in Liaoning Province, Shenyang Medical College, Shenyang, 113004, People's Republic of China.
- Department of Physiology, Shenyang Medical College, Shenyang, 113004, People's Republic of China.
| | - Fangjin Lu
- Department of Pharmaceutical Analysis, Shenyang Medical College, Shenyang, 113004, People's Republic of China.
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Zhu T, Liu H, Gao S, Jiang N, Chen S, Xie W. Effect of salidroside on neuroprotection and psychiatric sequelae during the COVID-19 pandemic: A review. Biomed Pharmacother 2024; 170:115999. [PMID: 38091637 DOI: 10.1016/j.biopha.2023.115999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/22/2023] [Accepted: 12/06/2023] [Indexed: 01/10/2024] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has affected the mental health of individuals worldwide, and the risk of psychiatric sequelae and consequent mental disorders has increased among the general population, health care workers and patients with COVID-19. Achieving effective and widespread prevention of pandemic-related psychiatric sequelae to protect the mental health of the global population is a serious challenge. Salidroside, as a natural agent, has substantial pharmacological activity and health effects, exerts obvious neuroprotective effects, and may be effective in preventing and treating psychiatric sequelae and mental disorders resulting from stress stemming from the COVID-19 pandemic. Herein, we systematically summarise, analyse and discuss the therapeutic effects of salidroside in the prevention and treatment of psychiatric sequelae as well as its roles in preventing the progression of mental disorders, and fully clarify the potential of salidroside as a widely applicable agent for preventing mental disorders caused by stress; the mechanisms underlying the potential protective effects of salidroside are involved in the regulation of the oxidative stress, neuroinflammation, neural regeneration and cell apoptosis in the brain, the network homeostasis of neurotransmission, HPA axis and cholinergic system, and the improvement of synaptic plasticity. Notably, this review innovatively proposes that salidroside is a potential agent for treating stress-induced health issues during the COVID-19 pandemic and provides scientific evidence and a theoretical basis for the use of natural products to combat the current mental health crisis.
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Affiliation(s)
- Ting Zhu
- Institute of Neuroregeneration & Neurorehabilitation, Department of Pathophysiology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Hui Liu
- Guizhou Provincial Key Laboratory of Pharmaceutics & State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550004, Guizhou, China; Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Shiman Gao
- Department of Clinical Pharmacy, Women and Children's Hospital, Qingdao University, Qingdao 266034, China
| | - Ning Jiang
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China.
| | - Shuai Chen
- School of Public Health, Wuhan University, Donghu Road No. 115, Wuchang District, Wuhan 430071, China.
| | - Weijie Xie
- Clinical Research Center for Mental Disorders, Shanghai Pudong New Area Mental Health Center, Tongji University School of Medicine, Shanghai 200122, China.
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Jin Y, Li Z, Qi L, Zhang L, Gao D, Liu H, Cao Q, Tian C, Xia Q, Wang Y. The autocrine action of salidroside on osteoclast during osteoclastogenesis via hypoxia-inducible factor-1 α pathway. Hum Exp Toxicol 2024; 43:9603271241269028. [PMID: 39197164 DOI: 10.1177/09603271241269028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2024]
Abstract
BACKGROUND AND OBJECTIVE The objective of this study was to investigate the potential of salidroside (SAL) (a major active compound in Rhodiola rosea L.) in regulating osteoclast differentiation and function by modulating the HIF-1α pathway and its downstream target genes. METHODS The expression of HIF-1α and its downstream target genes was examined at both mRNA and protein levels in osteoclasts treated with SAL. Immunofluorescence analysis was performed to assess the nuclear translocation and transcriptional activity of HIF-1α in response to SAL. MTT, flow cytometry, qPCR, TRAP staining and bone resorption assays were used to evaluate the potential effect of salidroside on osteoclasts. RESULTS SAL enhanced the expression of HIF-1α and its downstream target genes in osteoclasts. Immunofluorescence analysis confirmed the facilitation of HIF-1α nuclear translocation and transcriptional activity by SAL. In addition, SAL enhanced osteoclast viability, differentiation and bone resorption activity in an autocrine manner through HIF-1α/VEGF, IL-6 and ANGPTL4 pathways. CONCLUSION SAL promotes osteoclast proliferation, differentiation and bone resorption through HIF-1α/VEGF, IL-6 and ANGPTL4 pathways.
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Affiliation(s)
- Yutong Jin
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Zhengyang Li
- Department of Orthodontic, Tianjin Stomatological Hospital, Tianjin, China
| | - Lin Qi
- Department of Pharmacy, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin, China
| | - Lingling Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Dandan Gao
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Haizhao Liu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qingwen Cao
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chenchen Tian
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qun Xia
- Department of Orthopaedics, Tianjin First Central Hoapital, Tianjin, China
| | - Yue Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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Kazmi S, Farajdokht F, Meynaghizadeh-Zargar R, Sadigh-Eteghad S, Pasokh A, Farzipour M, Farazi N, Hamblin MR, Mahmoudi J. Transcranial photobiomodulation mitigates learning and memory impairments induced by hindlimb unloading in a mouse model of microgravity exposure by suppression of oxidative stress and neuroinflammation signaling pathways. Brain Res 2023; 1821:148583. [PMID: 37717889 DOI: 10.1016/j.brainres.2023.148583] [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: 04/05/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/19/2023]
Abstract
Prolonged microgravity exposure causes cognitive impairment. Evidence shows that oxidative stress and neuroinflammation are involved in the causation. Here, we explore the effectiveness of transcranial near-infrared photobiomodulation (PBM) on cognitive deficits in a mouse model of simulated microgravity. 24 adult male C57BL/6 mice were assigned into three groups (8 in each); control, hindlimb unloading (HU), and HU + PBM groups. After surgery to fit the suspension fixing, the animals were housed either in HU cages or in their normal cage for 14 days. The mice in the HU + PBM group received PBM (810 nm laser, 10 Hz, 8 J/cm2) once per day for 14 days. Spatial learning and memory were assessed in the Lashley III maze and hippocampus tissue samples were collected to assess oxidative stress markers and protein expression of brain-derived neurotrophic factor (BDNF), nuclear factor erythroid 2-related factor 2 (Nrf2), Sirtuin 1 (Sirt1), and Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB). Behavioral testing showed that the PBM-treated animals had a shorter latency time to find the target and fewer errors than the HU group. PBM decreased hippocampal lipid peroxidation while increasing antioxidant defense systems (glutathione peroxidase, superoxide dismutase, and total antioxidant capacity) compared to HU mice. PBM increased protein expression of Sirt1, Nrf2, and BDNF while decreasing NF-κB compared to HU mice. Our findings suggested that the protective effect of PBM against HU-induced cognitive impairment involved the activation of the Sirt1/Nrf2 signaling pathway, up-regulation of BDNF, and reduction of neuroinflammation and oxidative stress in the hippocampus.
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Affiliation(s)
- Sareh Kazmi
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fereshteh Farajdokht
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Physiology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Saeed Sadigh-Eteghad
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Pasokh
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Mohammad Farzipour
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Narmin Farazi
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa; Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Javad Mahmoudi
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Chen MH, Liu XZ, Qu XW, Guo RB, Zhang L, Kong L, Yu Y, Liu Y, Zang J, Li XY, Li XT. ApoE-modified liposomes encapsulating resveratrol and salidroside alleviate manifestations of Alzheimer's disease in APP/PS-1 mice. Drug Dev Ind Pharm 2023; 49:559-571. [PMID: 37649422 DOI: 10.1080/03639045.2023.2252062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 09/01/2023]
Abstract
OBJECTIVE Alzheimer's disease (AD) is a neurodegenerative disease that is associated with aging and is influenced by both genetic and environmental factors. Several studies and clinical trials have demonstrated that resveratrol (Res) and salidroside (Sal) are not only biologically safe but also influence AD biomarker trajectories. However, their clinical applications have been quite limited due to poor specificity, low solubility, and insufficient blood-brain barrier (BBB) penetration. Therefore, we developed a nano-drug delivery system in which Res and Sal were encapsulated in liposomes, which were surface-modified with ApoE (ApoE-Res/Sal-Lips) to compensate for these deficiencies. METHOD In this study, ApoE-Res/Sal-Lips were prepared using a standard thin-film hydration method for liposomes. Then, cellular uptake of the loaded liposomes was assessed in vitro using fluorescent staining assays. A BBB model was constructed to investigate the capacity of the liposomes to cross the BBB in vitro, and the ability of liposomes to target the brain was observed by in vivo imaging. In addition, the neuroprotective effects of the different liposome formulations in APP/PS-1 mice were evaluated by measuring the changes in levels of oxidative, anti-inflammatory, and anti-apoptotic factors in the mice brains. RESULTS In vitro, ApoE-Res/Sal-Lips increased the uptake of Res and Sal by bEnd.3 and N2a cells, enhanced BBB penetration, and improved transport efficiency. In vivo, the ApoE-Res/Sal-Lips were found to alleviate AD pathological symptoms, reduce learning and memory impairments, and improve brain function. CONCLUSION ApoE-Res/Sal-Lips provide a new method for the treatment of AD.
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Affiliation(s)
- Mu-Han Chen
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Xin-Ze Liu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Xiu-Wu Qu
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, Shanxi University of Chinese Medicine, Jinzhong, P.R. China
| | - Rui-Bo Guo
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Lu Zhang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Yang Yu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Yang Liu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Juan Zang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
| | - Xiu-Ying Li
- Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, Shanxi University of Chinese Medicine, Jinzhong, P.R. China
| | - Xue-Tao Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, P.R. China
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Zhao J, Le M, Li J, Huang Q, Chen H, Zhang W, Mao H, Sun Q, Li A, Zhao Y, Yu L, Yi M, Wang J, Li X, Zhang G, Ma J, Dong X. LINC00938 alleviates hypoxia ischemia encephalopathy induced neonatal brain injury by regulating oxidative stress and inhibiting JNK/p38 MAPK signaling pathway. Exp Neurol 2023; 367:114449. [PMID: 37257715 DOI: 10.1016/j.expneurol.2023.114449] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/02/2023]
Abstract
Hypoxic-ischemic encephalopathy (HIE) is an important factor leading to permanent damage of central nervous system (CNS) and even neonatal death. Long non-coding RNAs (lncRNAs) has been shown to get involved in the pathogenesis of nervous system diseases. LINC00938 is an intergenic lncRNA which is reported to be involved in neurodegenerative disease. However, the potential role of LINC00938 in nerve injury of neonatal HIE is undetermined. Here, we found that the expression of LINC00938 in the whole blood of neonates with HIE was downregulated compared with the non-HIE group. Functional study revealed that the expression of LINC00938 was significantly decreased in oxygen-glucose deprivation (OGD)-induced SH-SY5Y. Knockdown of LINC00938 induced the neural cell apoptosis by increased the protein level of Bax, Cleaved-Caspase3 and decreased the expression of Bcl-2. In addition, overexpression of LINC00938 prevented the apoptosis of SH-SY5Y from OGD injury. RNA-seq analysis showed that MAPK signaling was involved in the anti-apoptosis function of LINC00938. LINC00938 knockdown induced the activation of c-Jun-N-terminal kinase (JNK), p38 mitogen-activated protein kinase, and inhibited the activation of ERK signaling. However, LINC00938 play neuroprotective role in OGD-induced SH-SY5Y by suppression the phosphorylation of JNK and p38 MAPK rather than regulation of ERK signaling pathway. Further analyses illustrated that the cell apoptosis of neuronal cell was dependent on the elevation of reactive oxygen species (ROS) and result in mitochondria dysfunction in LINC00938 knockdown SH-SY5Y. Pretreated with ROS inhibitor N-acetylcysteine amide (NACA) dramatically suppressed LINC00938 knockdown induced oxidative stress and mitochondria dysfunction which induced cell apoptosis. In addition, NACA treatment significantly reduced the expression of p-JNK and p-p38 in OGD-induced SH-SY5Y. Furthermore, overexpression of LINC00938 displayed a notably neuroprotective effect by suppress central nervous system cell apoptosis via alleviating oxidative stress in CoCl2-induced hypoxic HIE model of zebrafish. Taken together, these results suggested that LINC00938 can act as a neuroprotective factor to inhibit oxidative stress and apoptosis of CNS under HIE conditions.
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Affiliation(s)
- Jing Zhao
- Department of General Practitioners, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China; Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Meini Le
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Jie Li
- Department of Neurosurgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 20033, China
| | - Qiong Huang
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Haocong Chen
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Wenyi Zhang
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Huiwen Mao
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Qing Sun
- Department of Pediatrics, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 20033, China
| | - Aiguo Li
- Department of Pediatrics, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 20033, China
| | - Yingmin Zhao
- Department of Pediatric, Jingjiang People's Hospital Affiliated to Yangzhou University, Jingjiang 214500, China
| | - Lingling Yu
- Department of Pediatric, Jingjiang People's Hospital Affiliated to Yangzhou University, Jingjiang 214500, China
| | - Mingjiang Yi
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Jie Wang
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China
| | - Xinyuan Li
- Department of Neurosurgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 20033, China.
| | - Guangming Zhang
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China.
| | - Jun Ma
- Department of General Practitioners, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China.
| | - Xiaohua Dong
- Department of Anesthesiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China; Department of Neurosurgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 20033, China; Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 XianXia Road, Shanghai 200336, China.
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Cerebroventricular Injection of Pgk1 Attenuates MPTP-Induced Neuronal Toxicity in Dopaminergic Cells in Zebrafish Brain in a Glycolysis-Independent Manner. Int J Mol Sci 2022; 23:ijms23084150. [PMID: 35456967 PMCID: PMC9025024 DOI: 10.3390/ijms23084150] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/31/2022] [Accepted: 04/05/2022] [Indexed: 12/26/2022] Open
Abstract
Parkinson’s disease (PD) is characterized by the degeneration of dopaminergic neurons. While extracellular Pgk1 (ePgk1) is reported to promote neurite outgrowth, it remains unclear if it can affect the survival of dopaminergic cells. To address this, we employed cerebroventricular microinjection (CVMI) to deliver Pgk1 into the brain of larvae and adult zebrafish treated with methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) as a PD-like model. The number of dopamine-producing cells in ventral diencephalon clusters of Pgk1-injected, MPTP-treated embryos increased over that of MPTP-treated embryos. Swimming distances of Pgk1-injected, MPTP-treated larvae and adult zebrafish were much longer compared to MPTP-treated samples. The effect of injected Pgk1 on both dopamine-producing cells and locomotion was time- and dose-dependent. Indeed, injected Pgk1 could be detected, located on dopamine neurons. When the glycolytic mutant Pgk1, Pgk1-T378P, was injected into the brain of MPTP-treated zebrafish groups, the protective ability of dopaminergic neurons did not differ from that of normal Pgk1. Therefore, ePgk1 is functionally independent from intracellular Pgk1 serving as an energy supplier. Furthermore, when Pgk1 was added to the culture medium for culturing dopamine-like SH-SY5Y cells, it could reduce the ROS pathway and apoptosis caused by the neurotoxin MPP+. These results show that ePgk1 benefits the survival of dopamine-producing cells and decreases neurotoxin damage.
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Dong W, Luo B, Qiu C, Jiang X, Shen B, Zhang L, Liu W, Zhang W. TRIM3 attenuates apoptosis in Parkinson's disease via activating PI3K/AKT signal pathway. Aging (Albany NY) 2020; 13:735-749. [PMID: 33253119 PMCID: PMC7835008 DOI: 10.18632/aging.202181] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 10/15/2020] [Indexed: 04/14/2023]
Abstract
This article aims to study tripartite motif-containing protein 3 (TRIM3) effects on Parkinson's disease (PD). TRIM3 expression in venous blood of PD patients was detected by qRT-PCR. PD mouse model and PD SH-SY5Y cell model were constructed. PD cells were treated by LY294002 (a PI3K inhibitor). The apoptosis of PD mouse midbrain was detected. Glutathione (GSH) and superoxide dismutase (SOD) level in PD cells and mice midbrain was analyzed. Intracellular reactive oxygen species (ROS) and MMP were detected. The effect of TRIM3 on cell viability, apoptosis and PI3K/AKT signal pathway were analyzed. As a result, TRIM3 expression in venous blood of PD patients was decreased. TRIM3 up-regulation in PD mouse decreased midbrain tissues apoptosis. TRIM3 up-regulation increased GSH and SOD levels in PD mice midbrain tissues and PD cells. TRIM3 up-regulation in PD cells prominently reduced ROS and MMP. TRIM3 up-regulation increased PD cells viability and decreased apoptosis. TRIM3 up-regulation in PD cells elevated Bcl-2 protein expression and weakened Bax, Cleaved-caspase 3 and Cleaved-caspase 9 proteins expression. TRIM3 up-regulation increased p-PI3K/PI3K and p-AKT/AKT ratio. PI3K inhibitor treatment reversed the inhibitory effect of TRIM3 up-regulation on PD cells apoptosis. Thus, TRIM3 might attenuate apoptosis in PD via activating PI3K/AKT signal pathway.
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Affiliation(s)
- Wenwen Dong
- Department of Functional Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Bei Luo
- Department of Functional Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Chang Qiu
- Department of Functional Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Xu Jiang
- Neurology Department, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Bo Shen
- Neurology Department, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Li Zhang
- Neurology Department, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Weiguo Liu
- Neurology Department, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
| | - Wenbin Zhang
- Department of Functional Neurosurgery, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu Province, China
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The Beneficial Roles of SIRT1 in Neuroinflammation-Related Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6782872. [PMID: 33014276 PMCID: PMC7519200 DOI: 10.1155/2020/6782872] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/29/2020] [Accepted: 08/30/2020] [Indexed: 12/15/2022]
Abstract
Sirtuins are the class III of histone deacetylases whose deacetylate of histones is dependent on nicotinamide adenine dinucleotide (NAD+). Among seven sirtuins, SIRT1 plays a critical role in modulating a wide range of physiological processes, including apoptosis, DNA repair, inflammatory response, metabolism, cancer, and stress. Neuroinflammation is associated with many neurological diseases, including ischemic stroke, bacterial infections, traumatic brain injury, Alzheimer's disease (AD), and Parkinson's disease (PD). Recently, numerous studies indicate the protective effects of SIRT1 in neuroinflammation-related diseases. Here, we review the latest progress regarding the anti-inflammatory and neuroprotective effects of SIRT1. First, we introduce the structure, catalytic mechanism, and functions of SIRT1. Next, we discuss the molecular mechanisms of SIRT1 in the regulation of neuroinflammation. Finally, we analyze the mechanisms and effects of SIRT1 in several common neuroinflammation-associated diseases, such as cerebral ischemia, traumatic brain injury, spinal cord injury, AD, and PD. Taken together, this information implies that SIRT1 may serve as a promising therapeutic target for the treatment of neuroinflammation-associated disorders.
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Cafaro T, Carnicelli V, Caprioli G, Maggi F, Celenza G, Perilli M, Bozzi A, Amicosante G, Brisdelli F. Anti-apoptotic and anti-inflammatory activity of Gentiana lutea root extract. ADVANCES IN TRADITIONAL MEDICINE 2020. [DOI: 10.1007/s13596-020-00447-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Neuroprotective effects of Ginkgo biloba dropping pills in Parkinson's disease. J Pharm Anal 2020; 11:220-231. [PMID: 34012698 PMCID: PMC8116202 DOI: 10.1016/j.jpha.2020.06.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 06/13/2020] [Accepted: 06/18/2020] [Indexed: 12/30/2022] Open
Abstract
Parkinson’s disease (PD) is the second most common neurodegenerative disease in the world; however, it lacks effective and safe treatments. Ginkgo biloba dropping pill (GBDP), a unique Chinese G. biloba leaf extract preparation, exhibits antioxidant and neuroprotective effects and has a potential as an alternative therapy for PD. Thus, the aims of this study were to evaluate the effects of GBDP in in vitro and in vivo PD models and to compare the chemical constituents and pharmacological activities of GBDP and the G. biloba extract EGb 761. Using liquid chromatography tandem-mass spectrometry, 46 GBDP constituents were identified. Principal component analysis identified differences in the chemical profiles of GBDP and EGb 761. A quantitative analysis of 12 constituents showed that GBDP had higher levels of several flavonoids and terpene trilactones than EGb 761, whereas EGb 761 had higher levels of organic acids. Moreover, we found that GBDP prevented 6-hydroxydopamine-induced dopaminergic neuron loss in zebrafish and improved cognitive impairment and neuronal damage in methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced PD mice. Although similar effects were observed after EGb 761 treatment, the neuroprotective effects were greater after GBDP treatment on several endpoints. In addition, in vitro results suggested that the Akt/GSK3β pathway may be involved in the neuroprotective effects of GBDP. These findings demonstrated that GBDP have potential neuroprotective effects in the treatment of PD. GBDP is composed of 46 constituents. Content of 12 constituents were different between GBDP and EGb 761. GBDP attenuated neurological deficits in zebrafish and mice PD models. GBDP prevented PD through anti-apoptosis and Akt/GSK3β signaling pathways. GBDP might be a potential therapeutic agent for PD.
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Xu F, Xu J, Xiong X, Deng Y. Salidroside inhibits MAPK, NF-κB, and STAT3 pathways in psoriasis-associated oxidative stress via SIRT1 activation. Redox Rep 2020; 24:70-74. [PMID: 31495284 PMCID: PMC6748574 DOI: 10.1080/13510002.2019.1658377] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Objectives: To unveil the role of SIRT1 in limiting oxidative stress in psoriasis and to further discuss the therapeutic prospects of salidroside in psoriasis. Methods: Literature from 2002 to 2019 was searched with “psoriasis”, “oxidative stress”, “SIRT1”, “salidroside” as the key words. Then, Oxidative stress in psoriasis and the role of SIRT1 were summarized and the potential role of salidroside in the disease was speculated. Results: Oxidative stress might contribute to the pathogenesis of psoriasis. High levels of ROS produced during oxidative stress lead to the release of inflammatory mediators, that, in turn, induce angiogenesis and excessive proliferation of keratinocytes. SIRT1 is a member of the sirtuin family, of which the activation lead to the inhibition of such oxidative stress signaling pathways MAPK, NF-κB, and STAT3, down-regulation of inflammatory factors, suppression of inflammation and keratinocyte hyperproliferation, and inhibition of angiogenesis. Salidroside, the main ingredient of Rhodiola, is known to exert antioxidant roles, which has been attributed to SIRT1 activation. Conclusion: Salidroside might inhibit oxidative stress singling pathways via SIRT1 activation, and could be as an ideal candidate for management of psoriasis.
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Affiliation(s)
- Fengli Xu
- Department of Dermatology, The First Affiliated Hospital of Southwest Medical University , Luzhou , People's Republic of China
| | - Jixiang Xu
- Department of Dermatology, The First Affiliated Hospital of Southwest Medical University , Luzhou , People's Republic of China
| | - Xia Xiong
- Department of Dermatology, The First Affiliated Hospital of Southwest Medical University , Luzhou , People's Republic of China
| | - Yongqiong Deng
- Department of Dermatology, The First Affiliated Hospital of Southwest Medical University , Luzhou , People's Republic of China
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Jamali-Raeufy N, Mojarrab Z, Baluchnejadmojarad T, Roghani M, Fahanik-Babaei J, Goudarzi M. The effects simultaneous inhibition of dipeptidyl peptidase-4 and P2X7 purinoceptors in an in vivo Parkinson's disease model. Metab Brain Dis 2020; 35:539-548. [PMID: 32016817 DOI: 10.1007/s11011-020-00538-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 01/23/2020] [Indexed: 12/11/2022]
Abstract
Loss of dopaminergic neurons following Parkinson's disease (PD) diminishes quality of life in patients. The present study was carried out to investigate the protective effects of simultaneous inhibition of dipeptidyl peptidase-4 (DPP-4) and P2X7 purinoceptors in a PD model and explore possible mechanisms. The 6-hydroxydopamine (6-OHDA) was used as a tool to establish PD model in male Wister rats. The expressions of SIRT1, SIRT3, mTOR, PGC-1α, PTEN, P53 and DNA fragmentation were evaluated by ELISA assay. Behavioral impairments were determined using apomorphine-induced rotational and narrow beam tests. Dopamine synthesis and TH-positive neurons were detected by tyrosine hydroxylase (TH) immunohistochemistry. Neuronal density was determined by Nissl staining. OHDA-lesioned rats exhibited behavioral impairments that reversed by BBG, lin and lin + BBG. We found significant reduced levels of SIRT1, SIRT3, PGC-1α and mTOR in both mid brain and striatum from OHDA-lesioned rats that reversed by BBG, lin and lin + BBG. Likewise, significant increased levels of PTEN and P53 were found in both mid brain and striatum from OHDA-lesioned rats that was reversed by BBG, lin and lin + BBG. TH-positive neurons and neuronal density were markedly reduced OHDA-lesioned rats that reversed by BBG, lin and lin + BBG. Collectively, our results showed protective effects of simultaneous inhibition of DPP-4 and P2X7 purinoceptors in a rat model of PD can be linked to targeting SIRT1/SIRT3, PTEN-mTOR pathways. Moreover, our findings demonstrated that simultaneous inhibition of DPP-4 and P2X7 purinoceptors might have stronger effect on mitochondrial biogenesis compared to only one.
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Affiliation(s)
- Nida Jamali-Raeufy
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Zahra Mojarrab
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran
| | - Javad Fahanik-Babaei
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mina Goudarzi
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Dou X, Ding Q, Lai S, Jiang F, Song Q, Zhao X, Fu A, Moustaid-Moussa N, Su D, Li S. Salidroside alleviates lipotoxicity-induced cell death through inhibition of TLR4/MAPKs pathway, and independently of AMPK and autophagy in AML-12 mouse hepatocytes. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103691] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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16
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Xie H, Shen CY, Jiang JG. The sources of salidroside and its targeting for multiple chronic diseases. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103648] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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17
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Tao H, Liu Y, Hou Y. miRNA‑384‑5p regulates the progression of Parkinson's disease by targeting SIRT1 in mice and SH‑SY5Y cell. Int J Mol Med 2019; 45:441-450. [PMID: 31894288 PMCID: PMC6984790 DOI: 10.3892/ijmm.2019.4426] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 11/20/2019] [Indexed: 12/12/2022] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder. miR-384-5p expression has been shown to be increased in an in vitro model of PD; however, it remains unknown whether there are other molecules that can be regulated by miR-384-5p in in vivo and in vitro models of PD; thus, the present study aimed to elucidate this matter. Rotenone was applied for the establishment of in vitro and in vivo models of PD in the present study. Motor disability and equilibrium were determined by a swimming test and traction test, respectively. mRNA and protein levels were detected by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blot analysis, respectively. The association between miR-384-5p and Sirtuin 1 (SIRT1) expression was verified by dual luciferase reporter assay. The α-synuclein aggregation was evaluated by immunofluorescence. The results from the in vitro model of PD demonstrated that, the mice in the PD group exhibited decreased scores in the swimming test and traction test, which were accompanied by increased α-synuclein aggregation. In addition, the expression of miR-384-5p, which targeted the 3′untranslated region (3′UTR) of SIRT1, was verified to be increased in mice and SH-SY5Y cells in the PD group, whereas SIRT1 exhibited the opposite changes. Moreover, increased mRNA and protein levels of p53 and FOXO1 were observed in mice and SH-SY5Y cells in the PD group. In addition, the SH-SY5Y cells in the PD group exhibited a higher cell apoptotic rate. On the whole, the findings of this study demonstrate that miRNA-384-5p promotes the progression of PD by targeting SIRT1.
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Affiliation(s)
- Hongli Tao
- Department of Psychiatry, Xianyang Central Hospital, Xianyang, Shaanxi 712000, P.R. China
| | - Yan Liu
- Department of Neurology, Weinan Central Hospital, Weinan, Shaanxi 714000, P.R. China
| | - Yingjuan Hou
- Department of Neurology, The First Hospital of Yulin, Yulin, Shaanxi 718000, P.R. China
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Wang Y, Su Y, Lai W, Huang X, Chu K, Brown J, Hong G. Salidroside Restores an Anti-inflammatory Endothelial Phenotype by Selectively Inhibiting Endothelial Complement After Oxidative Stress. Inflammation 2019; 43:310-325. [DOI: 10.1007/s10753-019-01121-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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19
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Jiang Y, Liu J, Chen L, Jin Y, Zhang G, Lin Z, Du S, Fu Z, Chen T, Qin Y, Sun X. Serum secreted miR-137-containing exosomes affects oxidative stress of neurons by regulating OXR1 in Parkinson’s disease. Brain Res 2019; 1722:146331. [DOI: 10.1016/j.brainres.2019.146331] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 06/13/2019] [Accepted: 07/09/2019] [Indexed: 12/28/2022]
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20
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Cho B, Kim T, Huh YJ, Lee J, Lee YI. Amelioration of Mitochondrial Quality Control and Proteostasis by Natural Compounds in Parkinson's Disease Models. Int J Mol Sci 2019; 20:ijms20205208. [PMID: 31640129 PMCID: PMC6829248 DOI: 10.3390/ijms20205208] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 10/17/2019] [Accepted: 10/17/2019] [Indexed: 12/18/2022] Open
Abstract
Parkinson’s disease (PD) is a well-known age-related neurodegenerative disorder associated with longer lifespans and rapidly aging populations. The pathophysiological mechanism is a complex progress involving cellular damage such as mitochondrial dysfunction and protein homeostasis. Age-mediated degenerative neurological disorders can reduce the quality of life and also impose economic burdens. Currently, the common treatment is replacement with levodopa to address low dopamine levels; however, this does not halt the progression of PD and is associated with adverse effects, including dyskinesis. In addition, elderly patients can react negatively to treatment with synthetic neuroprotection agents. Recently, natural compounds such as phytochemicals with fewer side effects have been reported as candidate treatments of age-related neurodegenerative diseases. This review focuses on mitochondrial dysfunction, oxidative stress, hormesis, proteostasis, the ubiquitin‒proteasome system, and autophagy (mitophagy) to explain the neuroprotective effects of using natural products as a therapeutic strategy. We also summarize the efforts to use natural extracts to develop novel pharmacological candidates for treatment of age-related PD.
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Affiliation(s)
- Bongki Cho
- Division of Biotechnology, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
| | - Taeyun Kim
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
- Well Aging Research Center, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
| | - Yu-Jin Huh
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
- Well Aging Research Center, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
| | - Jaemin Lee
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
| | - Yun-Il Lee
- Division of Biotechnology, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
- Well Aging Research Center, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea.
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Huang C, Ma J, Li BX, Sun Y. Wnt1 silencing enhances neurotoxicity induced by paraquat and maneb in SH-SY5Y cells. Exp Ther Med 2019; 18:3643-3649. [PMID: 31602242 DOI: 10.3892/etm.2019.7963] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 07/23/2019] [Indexed: 12/12/2022] Open
Abstract
Wingless (Wnt) signaling regulates the proliferation and differentiation of midbrain dopamine (DA) neurons. Paraquat (PQ) and maneb (MB) are environmental pollutants that can be used to model Parkinson's disease (PD) in rodents. A previous study demonstrated that developmental exposure to PQ and MB affects the expression of Wnt1, Wnt5a, nuclear receptor-related factor 1 (NURR1) and tyrosine hydroxylase (TH). However, how Wnt signaling regulates these developmental factors in vitro is yet to be determined. To explore this, SH-SY5Y cells were exposed to PQ and MB. The results of the current study indicated that exposure to PQ and MB decreased Wnt1, β-catenin, NURR1 and TH levels and increased Wnt5a levels. Furthermore, Wnt1 silencing has the same effect as exposure to PQ and MB. Additionally, the neurotoxicity induced by PQ and MB is more severe in siWnt1-SH-SY5Y cells compared with normal SH-SY5Y cells. Therefore, Wnt1 may serve an important role in regulating developmental DA factors, and may be a candidate gene for PD diagnosis or gene therapy.
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Affiliation(s)
- Cui Huang
- Department of Toxicology, School of Public Health, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China.,Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin, Heilongjiang 150086, P.R. China
| | - Jing Ma
- Department of Toxicology, School of Public Health, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Bai-Xiang Li
- Department of Toxicology, School of Public Health, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Yan Sun
- Department of Toxicology, School of Public Health, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
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Lin SY, Dan X, Du XX, Ran CL, Lu X, Ren SJ, Tang ZT, Yin LZ, He CL, Yuan ZX, Fu HL, Zhao XL, Shu G. Protective Effects of Salidroside against Carbon Tetrachloride (CCl 4)-Induced Liver Injury by Initiating Mitochondria to Resist Oxidative Stress in Mice. Int J Mol Sci 2019; 20:E3187. [PMID: 31261843 PMCID: PMC6651463 DOI: 10.3390/ijms20133187] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/22/2019] [Accepted: 06/24/2019] [Indexed: 12/14/2022] Open
Abstract
The antioxidant effect of salidroside has been proven, but its role in liver injury is poorly understood. In this study, we aimed to evaluate the protective effects and mechanism of salidroside on liver injury induced by carbon tetrachloride (CCl4) in vivo. Mice were pretreated with salidroside (60 mg/kg, intraperitoneally injected, i.p.) once per day for 14 consecutive days and then administered with CCl4 (15.95 g/kg, i.p.) for 24 h to produce a liver injury model. Salidroside attenuated hepatic transaminase elevation in serum and ameliorated liver steatosis and necrosis, thereby suggesting its protective effect on the liver. Salidroside antagonized CCl4-induced toxicity by equilibrating antioxidation system, thereby inhibiting reactive oxygen species accumulation, and restoring mitochondrial structure and function. Salidroside exerts antioxidant and liver-protective effects by selectively inhibiting the activation of genes, including growth arrest and DNA -damage-inducible 45 α (Gadd45a), mitogen-activated protein kinase 7 (Mapk7), and related RAS viral oncogene homolog 2 (Rras2), which induce oxidative stress in the mitogen-activated protein kinase pathway. These results revealed that salidroside can protect the liver from CCl4-induced injury by resisting oxidative stress and protecting mitochondrial function.
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Affiliation(s)
- Shi-Yu Lin
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Xu Dan
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Xia-Xia Du
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Chong-Lin Ran
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Xu Lu
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Shao-Jun Ren
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Zi-Ting Tang
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Li-Zi Yin
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Chang-Liang He
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Zhi-Xiang Yuan
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Hua-Lin Fu
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China
| | - Xiao-Ling Zhao
- Department of Animal Science, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Gang Shu
- Department of Pharmacy, Veterinary Medicine College of Sichuan Agricultural University, Chengdu 611130, China.
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Ding X, Wang W, Chen J, Zhao Q, Lu P, Lu L. Salidroside protects inner ear hair cells and spiral ganglion neurons from manganese exposure by regulating ROS levels and inhibiting apoptosis. Toxicol Lett 2019; 310:51-60. [PMID: 30991096 DOI: 10.1016/j.toxlet.2019.04.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/24/2019] [Accepted: 04/11/2019] [Indexed: 12/20/2022]
Abstract
Manganese (Mn) is an essential cofactor for many enzymes and thus plays an important role in normal growth and development. However, persistent exposure to high Mn concentrations can result in deleterious effects on not only the central nervous system but also peripheral nerves, including nerves associated with the auditory system. Our initial research on cochlear organotypic cultures in vitro showed that N-acetylcysteine (NAC) clearly decreases Mn-induced losses in hair cells (HCs), auditory nerve fibers (ANFs) and spiral ganglion neurons (SGNs) in a concentration-dependent manner. Salidroside (SAL) (p-hydroxyphenethyl-b-d-glucoside; C14H20O7), which is extracted from Rhodiola rosea L, has many pharmacological actions and antioxidative, antiaging, neuroprotective and anticancer effects. We hypothesized that SAL could also protect HCs, ANFs and SGNs from Mn injury. Cochlear organotypic cultures were treated with 1 mM Mn alone or combined with SAL (1-1000 μM). The neurofilament staining results showed that HCs, ANFs and SGNs were seriously damaged at high concentrations (100-1000 μM) but less damaged at low concentrations (1-10 μM). SAL may protect against 1 mM Mn-induced HC loss and axonal degeneration, suggesting that SAL could be a promising drug for clinical applications.
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Affiliation(s)
- Xuerui Ding
- Department of Otolaryngology Head & Neck Surgery, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Weilong Wang
- Department of Otolaryngology Head & Neck Surgery, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Jiawei Chen
- Department of Otolaryngology Head & Neck Surgery, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Qianqian Zhao
- Department of Otolaryngology Head & Neck Surgery, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Peiheng Lu
- Department of Otolaryngology Head & Neck Surgery, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Lianjun Lu
- Department of Otolaryngology Head & Neck Surgery, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, China.
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Zhao D, Sun X, Lv S, Sun M, Guo H, Zhai Y, Wang Z, Dai P, Zheng L, Ye M, Wang X. Salidroside attenuates oxidized low‑density lipoprotein‑induced endothelial cell injury via promotion of the AMPK/SIRT1 pathway. Int J Mol Med 2019; 43:2279-2290. [PMID: 30942428 PMCID: PMC6488166 DOI: 10.3892/ijmm.2019.4153] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 03/12/2019] [Indexed: 02/07/2023] Open
Abstract
Oxidized low-density lipoprotein (ox-LDL)-induced endothelial damage contributes to the initiation and pathogenesis of atherosclerosis. Salidroside can alleviate atherosclerosis and attenuate endothelial cell injury induced by ox-LDL. However, the mechanisms involved in this process are not fully understood. Therefore, the purpose of the present study was to investigate the role of the adenosine monophosphate-activated protein kinase (AMPK)/sirtuin (SIRT)1 pathway in the protection of salidroside against ox-LDL-induced human umbilical vein endothelial cells (HUVECs) injuries. The results revealed that salidroside reverses ox-LDL-induced HUVECs injury as demonstrated by the upregulation of cell viability and downregulation of LDH release. In addition, salidroside increased the expression of the SIRT1 protein in ox-LDL-treated HUVECs. Next, it was demonstrated that SIRT1 knockdown induced by transfection with small interfering (si)RNA targeting SIRT1 (siSRT1) abolished the protection of salidroside against ox-LDL-induced HUVECs injuries. This was illustrated by a decrease in cell viability and an increase in LDH release, caspase-3 activity and apoptosis rate. Furthermore, salidroside mitigated ox-LDL-induced reactive oxygen species production, upregulated malondialdehyde content and NADPH oxidase 2 expression and decreased superoxide dismutase and glutathione peroxidase activities, while these effects were also reversed by siSIRT1 transfection. In addition, it was demonstrated that salidroside suppressed ox-LDL-induced mitochondrial dysfunction as demonstrated by the increase in mitochondrial membrane potential and decreases in cytochrome c expression, and Bax/Bcl-2 reductions. However, these effects were eliminated by SIRT1 knockdown. Finally, it was demonstrated that salidroside significantly upregulated the phosphorylated-AMPK expression in ox-LDL-treated HUVECs and AMPK knockdown induced by transfection with AMPK siRNA (siAMPK) leads to elimination of the salidroside-induced increase in cell viability and the decrease in LDH release. Notably, siAMPK transfection further decreased the expression of SIRT1. In conclusion, these results suggested that salidroside protects HUVECs against ox-LDL injury through inhibiting oxidative stress and improving mitochondrial dysfunction, which were dependent on activating the AMPK/SIRT1 pathway.
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Affiliation(s)
- Dongming Zhao
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Xinyi Sun
- Department of Endocrinology and Metabolism, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Shujie Lv
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Miying Sun
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Huatao Guo
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Yujia Zhai
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Zhi Wang
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Peng Dai
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Lina Zheng
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Mingzhe Ye
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
| | - Xinpeng Wang
- Department of Cardiovascular, Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China
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Zhao Q, Liu F, Cheng Y, Xiao XR, Hu DD, Tang YM, Bao WM, Yang JH, Jiang T, Hu JP, Gonzalez FJ, Li F. Celastrol Protects From Cholestatic Liver Injury Through Modulation of SIRT1-FXR Signaling. Mol Cell Proteomics 2019; 18:520-533. [PMID: 30617157 PMCID: PMC6398203 DOI: 10.1074/mcp.ra118.000817] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 12/03/2018] [Indexed: 12/24/2022] Open
Abstract
Celastrol, derived from the roots of the Tripterygium Wilfordi, shows a striking effect on obesity. In the present study, the role of celastrol in cholestasis was investigated using metabolomics and transcriptomics. Celastrol treatment significantly alleviated cholestatic liver injury in mice induced by α-naphthyl isothiocyanate (ANIT) and thioacetamide (TAA). Celastrol was found to activate sirtuin 1 (SIRT1), increase farnesoid X receptor (FXR) signaling and inhibit nuclear factor-kappa B and P53 signaling. The protective role of celastrol in cholestatic liver injury was diminished in mice on co-administration of SIRT1 inhibitors. Further, the effects of celastrol on cholestatic liver injury were dramatically decreased in Fxr-null mice, suggesting that the SIRT1-FXR signaling pathway mediates the protective effects of celastrol. These observations demonstrated a novel role for celastrol in protecting against cholestatic liver injury through modulation of the SIRT1 and FXR.
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Affiliation(s)
- Qi Zhao
- From the ‡State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
- §University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fang Liu
- From the ‡State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Yan Cheng
- From the ‡State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Xue-Rong Xiao
- From the ‡State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Dan-Dan Hu
- From the ‡State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Ying-Mei Tang
- ¶Department of Gastroenterology, The 2nd Affiliated Hospital of Kunming Medical University, Yunnan Research Center for Liver Diseases, Kunming 650033, China;
| | - Wei-Min Bao
- ‖Department of General Surgery, Yunnan Provincial 1st People's Hospital, Kunming 650032, China
| | - Jin-Hui Yang
- ¶Department of Gastroenterology, The 2nd Affiliated Hospital of Kunming Medical University, Yunnan Research Center for Liver Diseases, Kunming 650033, China
| | - Tao Jiang
- ¶Department of Gastroenterology, The 2nd Affiliated Hospital of Kunming Medical University, Yunnan Research Center for Liver Diseases, Kunming 650033, China
| | - Jia-Peng Hu
- **Clinical Laboratory, The 2nd Affiliated Hospital of Kunming Medical University, Kunming 650033, China
| | - Frank J Gonzalez
- ‡‡Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
| | - Fei Li
- From the ‡State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
- §§State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210023, Jiangsu, China
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Kim J, Pajarillo E, Rizor A, Son DS, Lee J, Aschner M, Lee E. LRRK2 kinase plays a critical role in manganese-induced inflammation and apoptosis in microglia. PLoS One 2019; 14:e0210248. [PMID: 30645642 PMCID: PMC6333340 DOI: 10.1371/journal.pone.0210248] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 12/19/2018] [Indexed: 12/11/2022] Open
Abstract
Long-term exposure to elevated levels of manganese (Mn) causes manganism, a neurodegenerative disorder with Parkinson's disease (PD)-like symptoms. Increasing evidence suggests that leucine-rich repeat kinase 2 (LRRK2), which is highly expressed in microglia and macrophages, contributes to the inflammation and neurotoxicity seen in autosomal dominant and sporadic PD. As gene-environment interactions have emerged as important modulators of PD-associated toxicity, LRRK2 may also mediate Mn-induced inflammation and pathogenesis. In this study, we investigated the role of LRRK2 in Mn-induced toxicity using human microglial cells (HMC3), LRRK2-wild-type (WT) and LRRK2-knockout (KO) RAW264.7 macrophage cells. Results showed that Mn activated LRRK2 kinase by phosphorylation of its serine residue at the 1292 position (S1292) as a marker of its kinase activity in macrophage and microglia, while inhibition with GSK2578215A (GSK) and MLi-2 abolished Mn-induced LRRK2 activation. LRRK2 deletion and its pharmacological inhibition attenuated Mn-induced apoptosis in macrophages and microglia, along with concomitant decreases in the pro-apoptotic Bcl-2-associated X (Bax) protein. LRRK2 deletion also attenuated Mn-induced production of reactive oxygen species (ROS) and the pro-inflammatory cytokine TNF-α. Mn-induced phosphorylation of mitogen-activated protein kinase (MAPK) p38 and ERK signaling proteins was significantly attenuated in LRRK2 KO cells and GSK-treated cells. Moreover, inhibition of MAPK p38 and ERK as well as LRRK2 attenuated Mn-induced oxidative stress and cytotoxicity. These findings suggest that LRRK2 kinase activity plays a critical role in Mn-induced toxicity via downstream activation of MAPK signaling in macrophage and microglia. Collectively, these results suggest that LRRK2 could be a potential molecular target for developing therapeutics to treat Mn-related neurodegenerative disorders.
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Affiliation(s)
- Judong Kim
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, Florida, United States of America
| | - Edward Pajarillo
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, Florida, United States of America
| | - Asha Rizor
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, Florida, United States of America
| | - Deok-Soo Son
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Jayden Lee
- Department of Speech, Language & Hearing Sciences, Boston University, Boston, Massachusetts, United States of America
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Eunsook Lee
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, Florida, United States of America
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Guo C, Li Y, Zhang R, Zhang Y, Zhao J, Yao J, Sun J, Dong J, Liao L. Protective Effect of Salidroside Against Diabetic Kidney Disease Through Inhibiting BIM-Mediated Apoptosis of Proximal Renal Tubular Cells in Rats. Front Pharmacol 2018; 9:1433. [PMID: 30564128 PMCID: PMC6289038 DOI: 10.3389/fphar.2018.01433] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 11/19/2018] [Indexed: 12/25/2022] Open
Abstract
Background: Accumulating evidences indicate that the apoptosis of proximal tubular epithelial cells (PTECs) play a vital role in the progression of the diabetic kidney disease (DKD). This study aimed to explore the therapeutic potential of salidroside (SAL) in DKD and its underlying mechanism in anti-apoptosis of PTECs. Methods: Twenty-eight male Wistar rats were allocated into four groups: sham-operated, uninephrectomy (unx), diabetes with uninephrectomy (DKD) and DKD treated with SAL (DKD + SAL). SAL (70 mg/kg) was gavage administered for 8 weeks. 24-h albuminuria and serum creatinine (SCr), blood urea nitrogen (BUN), renal histological changes were examined. The silico analysis was used to identify the main therapeutic targets and pathways of SAL involved in DKD treatment. Apoptosis was determined by TUNEL and Annexin V-FITC/PI double staining in vivo and in vitro, respectively. The expression of BIM, BAX, and cleaved caspase-3 were evaluated by western blot and immunostaining. Results: Treatment with SAL significantly attenuated diabetic kidney injury via inhibiting 24-h albuminuria, SCr, BUN, glomerular mesangial dilatation and tubular injury in DKD rats. The silico analysis identified the intrinsic apoptotic pathway as an important pathway responsible for the nephroprotective properties of SAL. Our data validated that SAL effectively inhibited the apoptosis of PTECs induced by high-glucose (HG), both in vitro and in vivo. Silence of BIM by shRNA in HK-2 cells prevented HG-induced apoptosis. The up-regulated BIM and its downstream targets (BAX and cleaved caspase-3) were also inhibited by SAL. Conclusion: In summary, SAL significantly relieved DKD. And the possible mechanisms might be partially attributed to inhibiting apoptosis of proximal renal tubular cells. The apoptotic protein BIM could be an important target of SAL in this process.
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Affiliation(s)
- Congcong Guo
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China.,Division of Endocrinology, Department of Internal Medicine, Shandong Provincial QianFoShan Hospital, Shandong University, Jinan, China
| | - Yun Li
- Department of General Health Care II, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Rui Zhang
- Division of Endocrinology, Department of Internal Medicine, Shandong Provincial QianFoShan Hospital, Shandong University, Jinan, China
| | - Yaqin Zhang
- Division of Endocrinology, Department of Internal Medicine, Shandong Provincial QianFoShan Hospital, Shandong University, Jinan, China
| | - Junyu Zhao
- Division of Endocrinology, Department of Internal Medicine, Shandong Provincial QianFoShan Hospital, Shandong University, Jinan, China
| | - Jinming Yao
- Division of Endocrinology, Department of Internal Medicine, Shandong Provincial QianFoShan Hospital, Shandong University, Jinan, China
| | - Jie Sun
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jianjun Dong
- Division of Endocrinology, Department of Internal Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Lin Liao
- Division of Endocrinology, Department of Internal Medicine, Shandong Provincial QianFoShan Hospital, Shandong University, Jinan, China
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Disruption of the Circadian Clock Alters Antioxidative Defense via the SIRT1-BMAL1 Pathway in 6-OHDA-Induced Models of Parkinson's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:4854732. [PMID: 29849897 PMCID: PMC5932489 DOI: 10.1155/2018/4854732] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 01/28/2018] [Accepted: 02/05/2018] [Indexed: 01/08/2023]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease and is known to involve circadian dysfunction and oxidative stress. Although antioxidative defense is regulated by the molecular circadian clock, few studies have examined their function in PD and their regulation by silent information regulator 1 (SIRT1). We hypothesize that reduced antioxidative activity in models of PD results from dysfunction of the molecular circadian clock via the SIRT1 pathway. We treated rats and SH-SY5Y cells with 6-hydroxydopamine (6-OHDA) and measured the expression of core circadian clock and associated nuclear receptor genes using real-time quantitative PCR as well as levels of SIRT1, brain and muscle Arnt-like protein 1 (BMAL1), and acetylated BMAL1 using Western blotting. We found that 6-OHDA treatment altered the expression patterns of clock and antioxidative molecules in vivo and in vitro. We also detected an increased ratio of acetylated BMAL1:BMAL1 and a decreased level of SIRT1. Furthermore, resveratrol, an activator of SIRT1, decreased the acetylation of BMAL1 and inhibited its binding with CRY1, thereby reversing the impaired antioxidative activity induced by 6-OHDA. These results suggest that a dysfunctional circadian clock contributes to an abnormal antioxidative response in PD via a SIRT1-dependent BMAL1 pathway.
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