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Zhang J, Li R, Man K, Yang XB. Enhancing osteogenic potential of hDPSCs by resveratrol through reducing oxidative stress via the Sirt1/Nrf2 pathway. PHARMACEUTICAL BIOLOGY 2022; 60:501-508. [PMID: 35188840 PMCID: PMC8865099 DOI: 10.1080/13880209.2022.2037664] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
CONTEXT The osteogenic potential of the human dental pulp stromal cells (hDPSCs) was reduced in the state of oxidative stress. Resveratrol (RSV) possesses numerous biological properties, including osteogenic potential, growth-promoting and antioxidant activities. OBJECTIVE This study investigates the osteogenic potential of RSV by activating the Sirt1/Nrf2 pathway on oxidatively stressed hDPSCs and old mice. MATERIALS AND METHODS The hDPSCs were subjected to reactive oxygen species (ROS) fluorescence staining, cell proliferation assay, ROS activity assay, superoxide dismutase (SOD) enzyme activity, the glutathione (GSH) concentration assay, alkaline phosphatase staining, real-time polymerase chain reaction (RT-PCR) and Sirt1 immunofluorescence labelling to assess the antioxidant stress and osteogenic ability of RSV. Forty female Kunming mice were divided into Old, Old-RSV, Young and Young-RSV groups to assess the repair of calvarial defects of 0.2 mL RSV of 20 mg/kg/d for seven days by injecting intraperitoneally at 4 weeks after surgery using micro-computed tomography, nonlinear optical microscope and immunohistochemical analysis. RESULTS RSV abates oxidative stress by alleviating the proliferation, mitigating the ROS activity, increasing the SOD enzyme activity and ameliorating the GSH concentration (RSV IC50 in hDPSCs is 67.65 ± 9.86). The antioxidative stress and osteogenic capabilities of RSV were confirmed by the up-regulated gene expression of SOD1, xCT, RUNX2 and OCN, as well as Sirt1/Nrf2. The collagen, bone matrix formation and Sirt1 expression, are significantly increased after RSV treatment in mice. DISCUSSION AND CONCLUSIONS For elderly or patients with oxidative stress physiological states such as hypertension, heart disease, diabetes, etc., RSV may potentially improve bone augmentation surgery in regenerative medicine.
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Affiliation(s)
- Jingying Zhang
- Key Laboratory of 3D Printing Technology in Stomatology, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China
- CONTACT Jingying Zhang Key Laboratory of 3D Printing Technology in Stomatology, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
| | - Rui Li
- College of Physics, Dalian University of Technology, Dalian, China
| | - Kenny Man
- School of Chemical Engineering, University of Birmingham, Birmingham, UK
| | - Xuebin B. Yang
- Biomaterials & Tissue Engineering Group, School of Dentistry, University of Leeds, Leeds, UK
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Tao LX, Ji SS, Szalóki D, Kovács T, Mándi A, Antus S, Ding X, Kurtán T, Zhang HY. An optically active isochroman-2H-chromene conjugate potently suppresses neuronal oxidative injuries associated with the PI3K/Akt and MAPK signaling pathways. Acta Pharmacol Sin 2021; 42:36-44. [PMID: 32393798 PMCID: PMC7921582 DOI: 10.1038/s41401-020-0391-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 02/23/2020] [Indexed: 12/18/2022] Open
Abstract
Increasing evidence suggests that the use of potent neuroprotective agents featured with novel pharmacological mechanism would offer a promising strategy to delay or prevent the progression of neurodegeneration. Here, we provide the first demonstration that the chiral nonracemic isochroman-2H-chromene conjugate JE-133, a novel synthetic 1,3-disubstituted isochroman derivative, possesses superior neuroprotective effect against oxidative injuries. Pretreatment with JE-133 (1-10 μM) concentration-dependently prevented H2O2-induced cell death in SH-SY5Y neuroblastoma cells and rat primary cortical neurons. Pretreatment with JE-133 significantly alleviated H2O2-induced apoptotic changes. These protective effects could not be simply attributed to the direct free radical scavenging as JE-133 had moderate activity in reducing DPPH free radical. Further study revealed that pretreatment with JE-133 (10 μM) significantly decreased the phosphorylation of MAPK pathway proteins, especially ERK and P38, in the neuronal cells. In addition, blocking PI3K/Akt pathway using LY294002 partially counteracted the cell viability-enhancing effect of JE-133. We conclude that JE-133 exerts neuroprotection associated with dual regulative mechanisms and consequently activating cell survival and inhibiting apoptotic changes, which may provide important clues for the development of effective neuroprotective drug lead/candidate.
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Affiliation(s)
- Ling-Xue Tao
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Sha-Sha Ji
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Dóra Szalóki
- Department of Organic Chemistry, University of Debrecen, Debrecen, P. O. Box 400, H-4002, Debrecen, Hungary
| | - Tibor Kovács
- Department of Organic Chemistry, University of Debrecen, Debrecen, P. O. Box 400, H-4002, Debrecen, Hungary
| | - Attila Mándi
- Department of Organic Chemistry, University of Debrecen, Debrecen, P. O. Box 400, H-4002, Debrecen, Hungary
| | - Sándor Antus
- Department of Organic Chemistry, University of Debrecen, Debrecen, P. O. Box 400, H-4002, Debrecen, Hungary
| | - Xun Ding
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Tibor Kurtán
- Department of Organic Chemistry, University of Debrecen, Debrecen, P. O. Box 400, H-4002, Debrecen, Hungary.
| | - Hai-Yan Zhang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
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Wang CM, Yang CQ, Cheng BH, Chen J, Bai B. Orexin-A protects SH-SY5Y cells against H 2O 2-induced oxidative damage via the PI3K/MEK 1/2/ERK 1/2 signaling pathway. Int J Immunopathol Pharmacol 2018; 32:2058738418785739. [PMID: 29983082 PMCID: PMC6073832 DOI: 10.1177/2058738418785739] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Orexin-A elicits multiple potent effects on a variety of tumor cells via
different signaling pathways. However, it is unknown whether it has a
neuroprotective effect on SH-SY5Y human neuroblastoma cells. This study
investigated the neuroprotective effect of Orexin-A against hydrogen peroxide
(H2O2)-induced oxidative damage in SH-SY5Y cells and
the underlying mechanism. H2O2 treatment decreased the
viability of SH-SY5Y cells, induced apoptosis, and decreased superoxide
dismutase activity. Orexin-A attenuated these effects, indicating that it
protects SH-SY5Y cells against H2O2-induced oxidative
damage. Pre-treatment with Orexin-A also attenuated
H2O2-induced increases in phosphorylation of
MEK1/2 and ERK1/2. Moreover, these effects of Orexin-A
were reduced in the presence of the PI3K inhibitor LY294002. Finally,
pre-treatment with LY294002 abrogated attenuation of the
H2O2-induced decrease in cell viability and increase
in caspase-3/7 activity by Orexin-A. These results show that the
PI3K/MEK1/2/ERK1/2 signaling pathway is involved in
the neuroprotective effects of Orexin-A against
H2O2-induced oxidative damage in SH-SY5Y cells. Our
findings provide insight into the neuroprotective effects of Orexin-A and the
underlying mechanism, which will be useful for the treatment of nervous system
diseases.
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Affiliation(s)
- Chun-Mei Wang
- 1 Neurobiology Key Laboratory of Jining Medical University in Colleges of Shandong, Jining, P.R. China
| | - Chun-Qing Yang
- 1 Neurobiology Key Laboratory of Jining Medical University in Colleges of Shandong, Jining, P.R. China
| | - Bao-Hua Cheng
- 1 Neurobiology Key Laboratory of Jining Medical University in Colleges of Shandong, Jining, P.R. China
| | - Jing Chen
- 1 Neurobiology Key Laboratory of Jining Medical University in Colleges of Shandong, Jining, P.R. China.,2 Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, UK
| | - Bo Bai
- 1 Neurobiology Key Laboratory of Jining Medical University in Colleges of Shandong, Jining, P.R. China
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Zhu Y, Bi F, Li Y, Yin H, Deng N, Pan H, Li D, Xiao B. α- and β-Naphthoflavone synergistically attenuate H 2O 2-induced neuron SH-SY5Y cell damage. Exp Ther Med 2017; 13:1143-1150. [PMID: 28450955 DOI: 10.3892/etm.2017.4045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 11/11/2016] [Indexed: 01/07/2023] Open
Abstract
Previous studies have demonstrated an association between neurological diseases and oxidative stress (OS). Naphthoflavone is a synthetic derivative of naturally occurring flavonoids that serves an important role in the treatment and prevention of OS-related diseases. The current study was designed to apply α- and β-Naphthoflavone individually and in combination to counteract the detrimental effects of OS on neurons in vitro. Neuronal SH-SY5Y cells were subjected to 20 µM H2O2, followed by exposure to 20 µM α-Naphthoflavone and/or 10 µM β-Naphthoflavone. Results indicated that α- and β-Naphthoflavone effectively antagonized the apoptosis-promoting effect of H2O2 on neuronal SH-SY5Y cells, and that β-Naphthoflavone significantly (P<0.05) reversed H2O2-inhibited cell viability. Notably, co-treatment of α- and β-Naphthoflavone reversed the H2O2-induced apoptosis rate elevation and cell viability reduction. Further analysis demonstrated that H2O2 inhibited the activities of antioxidant enzymes including catalase, superoxide dismutase and glutathione peroxidase, but this was reversed by the co-treatment with α- and β-Naphthoflavone and selectively enhanced by the treatment with α- or β-Naphthoflavone. H2O2-stimulated p38 mitogen-activated protein kinase activation was repressed following treatment with α- and/or β-Naphthoflavone, along with a decreased expression of the apoptosis-related factors and inhibited caspase-3 activation. In conclusion, co-treatment with α- and β-Naphthoflavone minimized H2O2-led neuron damage compared with treatment with α- or β-Naphthoflavone, suggesting a synergetic effect between α- and β-Naphthoflavone. This indicates that utilizing α- and β-Naphthoflavone together in the clinical setting may provide a novel therapeutic for neurological disease.
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Affiliation(s)
- Yong Zhu
- Department of Neurology, The First Affiliated Hospital of Hunan University of Medicine, Huaihua, Hunan 418000, P.R. China
| | - Fangfang Bi
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Yanchun Li
- Department of Neurology, The First Affiliated Hospital of Hunan University of Medicine, Huaihua, Hunan 418000, P.R. China
| | - Huiming Yin
- Department of Respiration, The First Affiliated Hospital of Hunan University of Medicine, Huaihua, Hunan 418000, P.R. China
| | - Na Deng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Haiquan Pan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Dongfang Li
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
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Puangmalai N, Thangnipon W, Soi-Ampornkul R, Suwanna N, Tuchinda P, Nobsathian S. Neuroprotection of N-benzylcinnamide on scopolamine-induced cholinergic dysfunction in human SH-SY5Y neuroblastoma cells. Neural Regen Res 2017; 12:1492-1498. [PMID: 29089996 PMCID: PMC5649471 DOI: 10.4103/1673-5374.215262] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Alzheimer's disease, a progressive neurodegenerative disease, affects learning and memory resulting from cholinergic dysfunction. Scopolamine has been employed to induce Alzheimer's disease-like pathology in vivo and in vitro through alteration of cholinergic system. N-benzylcinnamide (PT-3), purified from Piper submultinerve, has been shown to exhibit neuroprotective properties against amyloid-β-induced neuronal toxicity in rat cortical primary cell culture and to improve spatial learning and memory of aged rats through alleviating oxidative stress. We proposed a hypothesis that PT3 has a neuroprotective effect against scopolamine-induced cholinergic dysfunction. PT-3 (125–200 nM) pretreatment was performed in human neuroblastoma SH-SY5Y cell line following scopolamine induction. PT-3 (125–200 nM) inhibited scopolamine (2 mM)-induced generation of reactive oxygen species, cellular apoptosis, upregulation of acetylcholinesterase activity, downregulation of choline acetyltransferase level, and activation of p38 and JNK signalling pathways. These findings revealed the underlying mechanisms of scopolamine-induced Alzheimer's disease-like cellular dysfunctions, which provide evidence for developing drugs for the treatment of this debilitating disease.
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Affiliation(s)
- Nicha Puangmalai
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhonpathom, Thailand
| | - Wipawan Thangnipon
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhonpathom, Thailand
| | - Rungtip Soi-Ampornkul
- Department of Biochemistry, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nirut Suwanna
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Kasetsart University, Kampaeng Saen, Nakhonpathom, Thailand
| | | | - Saksit Nobsathian
- Nakhon Sawan Campus, Mahidol University, Phayuhakiri, Nakhon Sawan, Thailand
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