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Wu Y, Wang Y, Chen F, Wang B. Loading rutin on surfaces by the layer-by-layer assembly technique to improve the oxidation resistance and osteogenesis of titanium implants in osteoporotic rats. Biomed Mater 2024; 19:045011. [PMID: 38740037 DOI: 10.1088/1748-605x/ad4aa8] [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: 12/22/2023] [Accepted: 05/13/2024] [Indexed: 05/16/2024]
Abstract
The purpose of this study was to construct a rutin-controlled release system on the surface of Ti substrates and investigate its effects on osteogenesis and osseointegration on the surface of implants. The base layer, polyethylenimine (PEI), was immobilised on a titanium substrate. Then, hyaluronic acid (HA)/chitosan (CS)-rutin (RT) multilayer films were assembled on the PEI using layer-by-layer (LBL) assembly technology. We used scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy and contact angle measurements to examine all Ti samples. The drug release test of rutin was also carried out to detect the slow-release performance. The osteogenic abilities of the samples were evaluated by experiments on an osteoporosis rat model and MC3T3-E1 cells. The results (SEM, FTIR and contact angle measurements) all confirmed that the PEI substrate layer and HA/CS-RT multilayer film were effectively immobilised on titanium. The drug release test revealed that a rutin controlled release mechanism had been successfully established. Furthermore, thein vitrodata revealed that osteoblasts on the coated titanium matrix had greater adhesion, proliferation, and differentiation capacity than the osteoblasts on the pure titanium surface. When MC3T3-E1 cells were exposed to H2O2-induced oxidative stressin vitro, cell-based tests revealed great tolerance and increased osteogenic potential on HA/CS-RT substrates. We also found that the HA/CS-RT coating significantly increased the new bone mass around the implant. The LBL-deposited HA/CS-RT multilayer coating on the titanium base surface established an excellent rutin-controlled release system, which significantly improved osseointegration and promoted osteogenesis under oxidative stress conditions, suggesting a new implant therapy strategy for patients with osteoporosis.
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Affiliation(s)
- Yinsheng Wu
- Department of Orthopedics, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, No. 75, JinXiu Road, Lucheng District, Wenzhou 325000, Zhejiang Province, People's Republic of China
| | - Yong Wang
- Department of Orthopedics, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, No. 75, JinXiu Road, Lucheng District, Wenzhou 325000, Zhejiang Province, People's Republic of China
| | - Fengyan Chen
- Department of Orthopedics, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, No. 75, JinXiu Road, Lucheng District, Wenzhou 325000, Zhejiang Province, People's Republic of China
| | - Bingzhang Wang
- Department of Orthopedics, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, No. 75, JinXiu Road, Lucheng District, Wenzhou 325000, Zhejiang Province, People's Republic of China
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Ma CW, Wang ZQ, Ran R, Liao HY, Lyu JY, Ren Y, Lei ZY, Zhang HH. TGF-β signaling pathway in spinal cord injury: Mechanisms and therapeutic potential. J Neurosci Res 2024; 102:e25255. [PMID: 37814990 DOI: 10.1002/jnr.25255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 08/15/2023] [Accepted: 09/24/2023] [Indexed: 10/11/2023]
Abstract
Spinal cord injury (SCI) is a highly disabling central nervous system injury with a complex pathological process, resulting in severe sensory and motor dysfunction. The current treatment modalities only alleviate its symptoms and cannot effectively intervene or treat its pathological process. Many studies have reported that the transforming growth factor (TGF)-β signaling pathway plays an important role in neuronal differentiation, growth, survival, and axonal regeneration after central nervous system injury. Furthermore, the TGF-β signaling pathway has a vital regulatory role in SCI pathophysiology and neural regeneration. Following SCI, regulation of the TGF-β signaling pathway can suppress inflammation, reduce apoptosis, prevent glial scar formation, and promote neural regeneration. Due to its role in SCI, the TGF-β signaling pathway could be a potential therapeutic target. This article reported the pathophysiology of SCI, the characteristics of the TGF-β signaling pathway, the role of the TGF-β signaling pathway in SCI, and the latest evidence for targeting the TGF-β signaling pathway for treating SCI. In addition, the limitations and difficulties in TGF-β signaling pathway research in SCI are discussed, and solutions are provided to address these potential challenges. We hope this will provide a reference for the TGF-β signaling pathway and SCI research, offering a theoretical basis for targeted therapy of SCI.
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Affiliation(s)
- Chun-Wei Ma
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Zhi-Qiang Wang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Rui Ran
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Hai-Yang Liao
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Jia-Yang Lyu
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Yi Ren
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Ze-Yuan Lei
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
| | - Hai-Hong Zhang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China
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Quercetin Derivatives in Combating Spinal Cord Injury: A Mechanistic and Systematic Review. LIFE (BASEL, SWITZERLAND) 2022; 12:life12121960. [PMID: 36556325 PMCID: PMC9783198 DOI: 10.3390/life12121960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/13/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022]
Abstract
Spinal cord injury (SCI) possesses a complicated etiology. There is no FDA-approved treatment for SCI, and the majority of current interventions focus on reducing symptoms. During SCI, inflammation, oxidative stress, apoptosis, and autophagy are behind the secondary phase of SCI and cause serious consequences. It urges the need for providing multi-targeting agents, that possess lower side effects and higher efficacy. The plant secondary metabolites are multi-targeting agents and seem to provide new roads in combating diseases. Flavonoids are phytochemicals of continual interest to scientists in combating neurodegenerative diseases (NDDs). Flavonoids are being studied for their biological and pharmacological effects, particularly as antioxidants, anti-inflammatory agents, anti-apoptotic, and autophagy regulators. Quercetin is one of the most well-known flavonols known for its preventative and therapeutic properties. It is a naturally occurring bioactive flavonoid that has recently received a lot of attention for its beneficial effects on NDDs. Several preclinical evidence demonstrated its neuroprotective effects. In this systematic review, we aimed at providing the biological activities of quercetin and related derivatives against SCI. Detailed neuroprotective mechanisms of quercetin derivatives are also highlighted in combating SCI.
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Zhang Q, Liu M, Nong H, Zhang Y, Bai Y, Liu P, Zong S, Zeng G. Total flavonoids of hawthorn leaves protect spinal motor neurons via promotion of autophagy after spinal cord injury. Front Pharmacol 2022; 13:925568. [PMID: 36071834 PMCID: PMC9441667 DOI: 10.3389/fphar.2022.925568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/29/2022] [Indexed: 12/03/2022] Open
Abstract
The death of spinal motor neurons (SMNs) after spinal cord injury (SCI) is a crucial cause, contributing to a permanent neurological deficit. Total flavonoids of hawthorn leaves (TFHL) have been confirmed to have potentially therapeutic for SCI. Nonetheless, the roles and mechanisms of TFHL in recovering neuromotor function and regenerating axons of SMNs have not been fully elucidated. In this study, TFHL was applied to treat rats with SCI and injured SMNs for 7 days. In vivo experiment, rats with SCI were evaluated by a BBB (Basso-Beattie-Bresnahan) score to assess their motor functional recovery. The morphology, microstructure, apoptosis, Nissl bodies, and autophagy of SMNs in spinal cord tissue were detected by Hematoxylin-eosin (HE) staining, transmission electron microscopy, TUNEL staining, Nissl staining, and immunohistochemistry respectively. In vitro experiment, the co-culture model of SMNs and astrocytes was constructed to simulate the internal environment around SMNs in the spinal cord tissue. The cell morphology, microstructure, axonal regeneration, and autophagy were observed via optical microscope, transmission electron microscopy, and immunofluorescence. The content of neurotrophic factors in the cell culture medium of the co-culture model was detected by ELISA. Moreover, the expression of axon-related and autophagy-related proteins in the spinal cord tissue and SMNs was measured by Western Blot. We demonstrated that TFHL improved the neuromotor function recovery in rats after SCI. We then found that TFHL significantly promoted injured spinal cord tissue repair, reduced apoptosis, and improved the functional status of neurons in spinal cord tissue in vivo. Meanwhile, the cell morphology, microstructure, and axonal regeneration of damaged SMNs also obviously were improved, and the secretion of neurotrophic factors was facilitated after treatment with TFHL in vitro. Further, we revealed that TFHL promoted autophagy and related protein expression in vivo and vitro. Taken together, our study suggested that TFHL might facilitate autophagy and have neuroprotective properties in SMNs to enhance the recovery of neuromotor function of rats with SCI.
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Affiliation(s)
- Qiong Zhang
- School of Public Health of Guangxi Medical University, Nanning, China
| | - Mingfu Liu
- Department of Spine Osteopathia, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Haibin Nong
- Department of Spine Osteopathia, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yanan Zhang
- Collaborative Innovation Center of Guangxi Biological Medicine, Guangxi Medical University, Nanning, China
| | - Yiguang Bai
- Department of Spine Osteopathia, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Pan Liu
- Department of Spine Osteopathia, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Shaohui Zong
- Department of Spine Osteopathia, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Research Centre for Regenerative Medicine and Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Nanning, China
- *Correspondence: Shaohui Zong, ; Gaofeng Zeng,
| | - Gaofeng Zeng
- School of Public Health of Guangxi Medical University, Nanning, China
- *Correspondence: Shaohui Zong, ; Gaofeng Zeng,
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Islam F, Bepary S, Nafady MH, Islam MR, Emran TB, Sultana S, Huq MA, Mitra S, Chopra H, Sharma R, Sweilam SH, Khandaker MU, Idris AM. Polyphenols Targeting Oxidative Stress in Spinal Cord Injury: Current Status and Future Vision. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8741787. [PMID: 36046682 PMCID: PMC9423984 DOI: 10.1155/2022/8741787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/03/2022] [Accepted: 08/03/2022] [Indexed: 02/07/2023]
Abstract
A spinal cord injury (SCI) occurs when the spinal cord is deteriorated or traumatized, leading to motor and sensory functions lost even totally or partially. An imbalance within the generation of reactive oxygen species and antioxidant defense levels results in oxidative stress (OS) and neuroinflammation. After SCI, OS and occurring pathways of inflammations are significant strenuous drivers of cross-linked dysregulated pathways. It emphasizes the significance of multitarget therapy in combating SCI consequences. Polyphenols, which are secondary metabolites originating from plants, have the promise to be used as alternative therapeutic agents to treat SCI. Secondary metabolites have activity on neuroinflammatory, neuronal OS, and extrinsic axonal dysregulated pathways during the early stages of SCI. Experimental and clinical investigations have noted the possible importance of phenolic compounds as important phytochemicals in moderating upstream dysregulated OS/inflammatory signaling mediators and axonal regeneration's extrinsic pathways after the SCI probable significance of phenolic compounds as important phytochemicals in mediating upstream dysregulated OS/inflammatory signaling mediators. Furthermore, combining polyphenols could be a way to lessen the effects of SCI.
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Affiliation(s)
- Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Sristy Bepary
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Mohamed H. Nafady
- Faculty of Applied Health Science Technology, Misr University for Science and Technology, Giza, Egypt
| | - Md. Rezaul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
| | - Sharifa Sultana
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Md. Amdadul Huq
- Department of Food and Nutrition, Chung Ang University, Anseong-Si, Gyeonggi-Do 17546, Republic of Korea
| | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Rohit Sharma
- Department of Rasashastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Sherouk Hussein Sweilam
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Egyptian Russian University, Cairo-Suez Road, Badr City 11829, Egypt
| | - Mayeen Uddin Khandaker
- Centre for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, 47500 Bandar Sunway, Selangor, Malaysia
| | - Abubakr M. Idris
- Department of Chemistry, College of Science, King Khalid University, Abha 62529, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 62529, Saudi Arabia
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Fakhri S, Abbaszadeh F, Moradi SZ, Cao H, Khan H, Xiao J. Effects of Polyphenols on Oxidative Stress, Inflammation, and Interconnected Pathways during Spinal Cord Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8100195. [PMID: 35035667 PMCID: PMC8759836 DOI: 10.1155/2022/8100195] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/11/2021] [Indexed: 02/05/2023]
Abstract
Despite the progression in targeting the complex pathophysiological mechanisms of neurodegenerative diseases (NDDs) and spinal cord injury (SCI), there is a lack of effective treatments. Moreover, conventional therapies suffer from associated side effects and low efficacy, raising the need for finding potential alternative therapies. In this regard, a comprehensive review was done regarding revealing the main neurological dysregulated pathways and providing alternative therapeutic agents following SCI. From the mechanistic point, oxidative stress and inflammatory pathways are major upstream orchestras of cross-linked dysregulated pathways (e.g., apoptosis, autophagy, and extrinsic mechanisms) following SCI. It urges the need for developing multitarget therapies against SCI complications. Polyphenols, as plant-derived secondary metabolites, have the potential of being introduced as alternative therapeutic agents to pave the way for treating SCI. Such secondary metabolites presented modulatory effects on neuronal oxidative stress, neuroinflammatory, and extrinsic axonal dysregulated pathways in the onset and progression of SCI. In the present review, the potential role of phenolic compounds as critical phytochemicals has also been revealed in regulating upstream dysregulated oxidative stress/inflammatory signaling mediators and extrinsic mechanisms of axonal regeneration after SCI in preclinical and clinical studies. Additionally, the coadministration of polyphenols and stem cells has shown a promising strategy for improving post-SCI complications.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
| | - Fatemeh Abbaszadeh
- Department of Neuroscience, Faculty of Advanced Technologies in Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
| | - Hui Cao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, E-32004 Ourense, Spain
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, 23200, Pakistan
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, E-32004 Ourense, Spain
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
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