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Ding Z, Cheng W, Liu L, Xu G, Lu Q, Kaplan DL. Nanosized Silk-Magnesium Complexes for Tissue Regeneration. Adv Healthc Mater 2023; 12:e2300887. [PMID: 37317936 DOI: 10.1002/adhm.202300887] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 06/12/2023] [Indexed: 06/16/2023]
Abstract
Metal ions provide multifunctional signals for cell and tissue functions, including regeneration. Inspired by metal-organic frameworks (MOFs), nanosized silk protein aggregates with a high negative charge density are used to form stable silk-magnesium ion complexes. Magnesium ions (Mg ions) are added directly to silk nanoparticle solutions, inducing gelation through the formation of silk-Mg coordination complexes. The Mg ions are released slowly from the nanoparticles through diffusion, with sustained release via tuning the degradation or dissolution of the nanosized silk aggregates. Studies in vitro reveal a dose-dependent influence of Mg ions on angiogenic and anti-inflammatory functions. Silk-Mg ion complexes in the form of hydrogels also stimulate tissue regeneration with a reduced formation of scar tissue in vivo, suggesting potential utility in tissue regeneration.
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Affiliation(s)
- Zhaozhao Ding
- State Key Laboratory of Radiation Medicine and Radiation Protection, Institutes for Translational Medicine, Soochow University, Suzhou, 215123, P. R. China
- National Engineering Laboratory for Modern Silk & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Weinan Cheng
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai, 200233, P. R. China
- Department of Orthopedics, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, 361000, P. R. China
| | - Lutong Liu
- National Engineering Laboratory for Modern Silk & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Gang Xu
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Lianyungang, 222061, P. R. China
| | - Qiang Lu
- State Key Laboratory of Radiation Medicine and Radiation Protection, Institutes for Translational Medicine, Soochow University, Suzhou, 215123, P. R. China
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
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Chen X, Xia Y, Shen S, Wang C, Zan R, Yu H, Yang S, Zheng X, Yang J, Suo T, Gu Y, Zhang X. Research on the Current Application Status of Magnesium Metal Stents in Human Luminal Cavities. J Funct Biomater 2023; 14:462. [PMID: 37754876 PMCID: PMC10532415 DOI: 10.3390/jfb14090462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/01/2023] [Accepted: 09/06/2023] [Indexed: 09/28/2023] Open
Abstract
The human body comprises various tubular structures that have essential functions in different bodily systems. These structures are responsible for transporting food, liquids, waste, and other substances throughout the body. However, factors such as inflammation, tumors, stones, infections, or the accumulation of substances can lead to the narrowing or blockage of these tubular structures, which can impair the normal function of the corresponding organs or tissues. To address luminal obstructions, stenting is a commonly used treatment. However, to minimize complications associated with the long-term implantation of permanent stents, there is an increasing demand for biodegradable stents (BDS). Magnesium (Mg) metal is an exceptional choice for creating BDS due to its degradability, good mechanical properties, and biocompatibility. Currently, the Magmaris® coronary stents and UNITY-BTM biliary stent have obtained Conformité Européene (CE) certification. Moreover, there are several other types of stents undergoing research and development as well as clinical trials. In this review, we discuss the required degradation cycle and the specific properties (anti-inflammatory effect, antibacterial effect, etc.) of BDS in different lumen areas based on the biocompatibility and degradability of currently available magnesium-based scaffolds. We also offer potential insights into the future development of BDS.
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Affiliation(s)
- Xiang Chen
- School of Medicine, Anhui University of Science and Technology, Huainan 232000, China;
| | - Yan Xia
- School of Stomatology, Anhui Medical College, Hefei 230601, China;
| | - Sheng Shen
- Department of Biliary Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China; (S.S.); (R.Z.); (T.S.)
- Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China;
| | - Chunyan Wang
- Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China;
- Department of General Surgery, Shanghai Xuhui Central Hospital, Shanghai 200031, China
| | - Rui Zan
- Department of Biliary Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China; (S.S.); (R.Z.); (T.S.)
- Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China;
| | - Han Yu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (H.Y.); (S.Y.)
| | - Shi Yang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (H.Y.); (S.Y.)
| | - Xiaohong Zheng
- Department of Hepatopancreatobiliary Surgery, Huainan Xinhua Hospital Affiliated to Anhui University of Science and Technology, Huainan 232000, China; (X.Z.); (J.Y.)
| | - Jiankang Yang
- Department of Hepatopancreatobiliary Surgery, Huainan Xinhua Hospital Affiliated to Anhui University of Science and Technology, Huainan 232000, China; (X.Z.); (J.Y.)
| | - Tao Suo
- Department of Biliary Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China; (S.S.); (R.Z.); (T.S.)
- Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China;
| | - Yaqi Gu
- School of Medicine, Anhui University of Science and Technology, Huainan 232000, China;
- Department of Hepatopancreatobiliary Surgery, Huainan Xinhua Hospital Affiliated to Anhui University of Science and Technology, Huainan 232000, China; (X.Z.); (J.Y.)
| | - Xiaonong Zhang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (H.Y.); (S.Y.)
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Yang N, Venezuela J, Allavena R, Lau C, Dargusch M. Zinc-based subcuticular absorbable staples: An in vivo and in vitro study. Acta Biomater 2023:S1742-7061(23)00355-0. [PMID: 37369266 DOI: 10.1016/j.actbio.2023.06.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 05/23/2023] [Accepted: 06/21/2023] [Indexed: 06/29/2023]
Abstract
A zinc-nutrient element alloy (Zn-1.0Cu-0.5Ca) was developed into subcuticular absorbable staples (SAS) as a robust alternative to the commercially available poly(l-lactide-co-glycolide) (PLGA) SAS for the first time. The fixation properties of the Zn SAS were measured via pull-out tests and in-situ lap-shear pull-out test comparatively against the PLGA SAS. The Zn SAS exhibited fixation force of 18.9±0.2 N, which was over three times higher than that of PLGA SAS (5.5±0.1 N). The Zn SAS was used to close incision wounds in a SD rat model for biodegradability and biocompatibility characterisation at 1, 4 and 12 weeks. The Zn SAS showed uniform degradation behaviour after in vivo implantation at the average rate of 198±54, 112±28, and 70±24 μm/y after 1, 4, and 12 weeks, which reduced the fixation force to 16.8±1.1 N, 15.4±0.9 N, 12.7±0.7 N, respectively. These findings showed the potential of the Zn SAS for the closure of heavy loading and slowing healing tissues. The Zn SAS enabled successful closure and healing of the incision wound, similar to the PLGA staples. However, the slow long-term degradation rate of the Zn SAS may lead to unnecessary implant retention. In addition, the alloy SAS resulted in higher local foreign body responses due to their stiffness. Reducing the implant cross-section profile and applying low stiffness and a corrosion-accelerating coating are suggested as possible approaches to reduce post-service implant retention and improve the biocompatibility of the Zn SAS. STATEMENT OF SIGNIFICANCE: This work reports the fabrication of the first metallic subcuticular absorbable staples (SAS) made from Zn-Cu-Ca alloy for skin wound closure applications. The Zn-based SAS were characterised in vitro and in vivo (SD rat model) for biodegradability, fixation properties, biocompatibility and inflammatory responses, which were compared against the commercially available PLGA-based SAS. The Zn-based SAS provided a secure attachment of the full-thickness wounds on SD rats and allowed successful healing during the 12-week service period. In addition, the in vitro results showed that the Zn-based SAS provided more than three times higher fixation strength than the commercial PLGA, indicating the potential of the Zn-based SAS for load-bearing wound closure application.
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Affiliation(s)
- Nan Yang
- Queensland Centre for Advanced Materials Processing and Manufacturing (AMPAM) School of Mechanical and Mining Engineering, Advanced Engineering Building, Bld 49, The University of Queensland, Staff House Rd, St Lucia QLD 4072, Australia
| | - Jeffrey Venezuela
- Queensland Centre for Advanced Materials Processing and Manufacturing (AMPAM) School of Mechanical and Mining Engineering, Advanced Engineering Building, Bld 49, The University of Queensland, Staff House Rd, St Lucia QLD 4072, Australia
| | - Rachel Allavena
- School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia
| | - Cora Lau
- The University of Queensland, Biological Resources, Brisbane, QLD, 4072, Australia
| | - Matthew Dargusch
- Queensland Centre for Advanced Materials Processing and Manufacturing (AMPAM) School of Mechanical and Mining Engineering, Advanced Engineering Building, Bld 49, The University of Queensland, Staff House Rd, St Lucia QLD 4072, Australia.
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Zan R, Shen S, Huang Y, Yu H, Liu Y, Yang S, Zheng B, Gong Z, Wang W, Zhang X, Suo T, Liu H. Research hotspots and trends of biodegradable magnesium and its alloys. SMART MATERIALS IN MEDICINE 2023; 4:468-479. [DOI: 10.1016/j.smaim.2023.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Yang X, Wang B, Peng D, Nie X, Wang J, Yu CY, Wei H. Hyaluronic Acid‐Based Injectable Hydrogels for Wound Dressing and Localized Tumor Therapy: A Review. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202200124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Xu Yang
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
| | - Bin Wang
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
| | - Dongdong Peng
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
| | - Xiaobo Nie
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
| | - Jun Wang
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
| | - Cui-Yun Yu
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
| | - Hua Wei
- Postdoctoral Mobile Station of Basic Medical Sciences Hengyang Medical School University of South China Hengyang 421001 China
- Innovation Center for Molecular Target New Drug Study & School of Pharmaceutical Science University of South China Hengyang Hunan 421001 China
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Zhang Y, Cao J, Lu M, Shao Y, Jiang K, Yang X, Xiong X, Wang S, Chu C, Xue F, Ye Y, Bai J. A biodegradable magnesium surgical staple for colonic anastomosis: In vitro and in vivo evaluation. Bioact Mater 2022; 22:225-238. [PMID: 36254273 PMCID: PMC9550537 DOI: 10.1016/j.bioactmat.2022.09.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 09/03/2022] [Accepted: 09/21/2022] [Indexed: 10/27/2022] Open
Abstract
Staplers have been widely used in the clinical treatment of gastrointestinal reconstruction. However, the current titanium (Ti) staple will remain in the human body permanently, resulting in some adverse effects. In this study, we developed a type of biodegradable staple for colonic anastomosis using 0.3 mm diameter magnesium (Mg) alloy wires. The wire surface was modified by micro-arc oxidation treatment (MAO) and then coated with poly-l-lactic acid (PLLA) to achieve a moderate degradation rate matching the tissue healing process. The results of tensile tests on isolated porcine colon tissue anastomosed by Mg and Ti staples showed that the anastomotic property of Mg staples was almost equal to that of Ti staples. The in vitro degradation tests indicated the dual-layer coating effectively enhanced the corrosion resistance and maintained the tensile force of the coated staple stable after 14-day immersion in the simulated colonic fluid (SCF). Furthermore, 24 beagle dogs were employed to conduct a comparison experiment using Mg-based and clinical Ti staples for 90-day implantation by ent-to-side anastomosis of the colon. The integrated structure of Mg-based staples was observed after 7 days and completely degraded after 90 days. All animals did not have anastomotic leakage and stenosis, and 12 dogs with Mg-based staples fully recovered after 90 days without differences in visceral ion levels and other side effects. The favorable performance makes this Mg-based anastomotic staple an ideal candidate for colon reconstruction.
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Affiliation(s)
- Yue Zhang
- Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou, 215163, China
| | - Jian Cao
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Mengmeng Lu
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yi Shao
- Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou, 215163, China
| | - Kewei Jiang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Xiaodong Yang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Xiaoyu Xiong
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Shan Wang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, China
| | - Chenglin Chu
- Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China
| | - Feng Xue
- Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou, 215163, China
| | - Yingjiang Ye
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing, 100044, China,Corresponding author.
| | - Jing Bai
- Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou, 215163, China,Jiangsu Key Laboratory for Light Metal Alloys, Nanjing, 211212, China,Corresponding author. Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China.
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Long M, Zhu X, Wei X, Zhao D, Jiang L, Li C, Jin D, Miao C, Du Y. Magnesium in renal fibrosis. Int Urol Nephrol 2022; 54:1881-1889. [PMID: 35060008 DOI: 10.1007/s11255-022-03118-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 01/11/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE Renal fibrosis (RF) is the main pathological feature of chronic kidney disease (CKD). The main focus of research on treatment for CKD is to develop strategies that delay or prevent RF from progressing to end-stage renal disease (ESRD). Inflammation and oxidative stress occur during all stages of CKD. The magnesium cation (Mg2+) can reduce inflammation and oxidative stress, regulate apoptosis, and improve RF, and magnesium-based therapies are promising new treatments that can prevent RF. We reviewed the current evidence on the effects of magnesium in RF and examined the possible mechanism of magnesium in delaying RF. METHODS We searched PubMed, Web of Science, and EMBASE for articles on magnesium and fibrosis, with a focus on magnesium and RF. RESULTS Inflammation, oxidative stress, and apoptosis are related to the occurrence of CKD. Previous research showed that Mg2+ inhibits the differentiation of inflammatory cells, down-regulates the production of inflammatory cytokines, reduces inflammation, and reduces the production of reactive oxygen species (ROS) and oxidative stress. In addition, Mg2+ also regulates apoptosis and protects renal tubular function. Magnesium may also regulate TRPM6/7, promote the secretion of klotho protein and improve renal fibrosis. Therefore, Mg2+ can protect the kidney from damage and slow down the progression of RF through many molecular and cellular effects. Some of the anti-fibrotic effects of Mg2+ may be related to its antagonism of intracellular Ca2+. CONCLUSION Magnesium may prevent the progression of renal fibrosis and delay CKD by reducing renal inflammation and oxidative stress, and by regulating fibrosis-related signaling pathways and cytokines.
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Affiliation(s)
- Mengtuan Long
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Xiaoyu Zhu
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Xuejiao Wei
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Dan Zhao
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Lili Jiang
- Physical Examination Center, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Chenhao Li
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Die Jin
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Changxiu Miao
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China
| | - Yujun Du
- Department of Nephrology, The First Hospital of Jilin University, 1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin, People's Republic of China.
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Shu S, Kobayashi M, Marunaka K, Yoshino Y, Goto M, Katsuta Y, Ikari A. Magnesium Supplementation Attenuates Ultraviolet-B-Induced Damage Mediated through Elevation of Polyamine Production in Human HaCaT Keratinocytes. Cells 2022; 11:cells11152268. [PMID: 35892565 PMCID: PMC9332241 DOI: 10.3390/cells11152268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/11/2022] [Accepted: 07/20/2022] [Indexed: 11/16/2022] Open
Abstract
Magnesium ions (Mg2+) have favorable effects such as the improvement of barrier function and the reduction of inflammation reaction in inflammatory skin diseases. However, its mechanisms have not been fully understood. Microarray analysis has shown that the gene expressions of polyamine synthases are upregulated by MgCl2 supplementation in human HaCaT keratinocytes. Here, we investigated the mechanism and function of polyamine production. The mRNA and protein levels of polyamine synthases were dose-dependently increased by MgCl2 supplementation, which were inhibited by U0126, a MEK inhibitor; CHIR-99021, a glycogen synthase kinase-3 (GSK3) inhibitor; and Naphthol AS-E, a cyclic AMP-response-element-binding protein (CREB) inhibitor. Similarly, reporter activities of polyamine synthases were suppressed by these inhibitors, suggesting that MEK, GSK3, and CREB are involved in the transcriptional regulation of polyamine synthases. Cell viability was reduced by ultraviolet B (UVB) exposure, which was rescued by MgCl2 supplementation. The UVB-induced elevation of reactive oxygen species was attenuated by MgCl2 supplementation, which was inhibited by cysteamine, a polyamine synthase inhibitor. Our data indicate that the expression levels of polyamine synthases are upregulated by MgCl2 supplementation mediated through the activation of the MEK/GSK3/CREB pathway. MgCl2 supplementation may be useful in reducing the UVB-induced oxidative stress in the skin.
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Affiliation(s)
- Shokoku Shu
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu 501-1196, Japan; (S.S.); (M.K.); (K.M.); (Y.Y.)
| | - Mao Kobayashi
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu 501-1196, Japan; (S.S.); (M.K.); (K.M.); (Y.Y.)
| | - Kana Marunaka
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu 501-1196, Japan; (S.S.); (M.K.); (K.M.); (Y.Y.)
| | - Yuta Yoshino
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu 501-1196, Japan; (S.S.); (M.K.); (K.M.); (Y.Y.)
| | - Makiko Goto
- Shiseido Co., Ltd., MIRAI Technology Institute, Yokohama 220-0011, Japan; (M.G.); (Y.K.)
| | - Yuji Katsuta
- Shiseido Co., Ltd., MIRAI Technology Institute, Yokohama 220-0011, Japan; (M.G.); (Y.K.)
| | - Akira Ikari
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu 501-1196, Japan; (S.S.); (M.K.); (K.M.); (Y.Y.)
- Correspondence: ; Tel.: +81-58-230-8124
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Investigation of the Effects of L-carnitine and magnesium on Oxidative Stress and Cytokines in the Tissue of Experimental diabetic rats. ACTA VET-BEOGRAD 2021. [DOI: 10.2478/acve-2021-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
The aim of this study was to determine the effects of L-carnitine and magnesium on the levels of tissue malondialdehyde, 8-hydroxy-2’-deoxyguanosine, and cytokines (tumor necrosis factor alpha, interleukin-6) in streptozotocin-induced experimental diabetes in rats. Eighty male Wistar albino rats (200-250 g) were divided into 8 groups with 10 rats in each group. The groups received the following treatments: Control group; 2 ml distilled water (by gavage); Group 2: 50 mg/kg (b.w.) i.p. streptozotocin; Group 3: 125 mg/kg (b.w.) magnesium; Group 4: 300 mg/kg (b.w.) L-carnitine; Group 5: 125 mg/kg (b.w.) magnesium +300 mg/kg (b.w.) L-carnitine; Group 6: 50 mg/kg (b.w.) streptozotocin +125 mg/kg (b.w.) magnesium; Group 7: 50 mg/kg (b.w.) streptozotocin +300 mg/kg (b.w.) L-carnitine and Group 8: 50 mg/kg (b.w.) streptozotocin +125 mg/ kg (b.w.) magnesium+300 mg/kg (b.w.) L-carnitine administered for 4 weeks. Liver and kidney malondialdehyde, 8-hydroxy-2’-deoxyguanosine, tumor necrosis factor alpha and interleukin-6 levels did not change in the magnesium, L-carnitine, and magnesium + L-carnitine groups compared to the control. The highest levels of malondialdehyde, 8-hydroxy-2’-deoxyguanosine, tumor necrosis factor alpha and interleukin-6 were determined only in the group with diabetes (Group 2). Lipid peroxidation, DNA damage, and cytokine levels were significantly reduced in diabetic animals with the administration of magnesium and L-carnitine separately or in combination. Based on the obtained results it can be concluded that magnesium and L-carnitine may have antidiabetic effects, especially in combination.
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Zinc-nutrient element based alloys for absorbable wound closure devices fabrication: Current status, challenges, and future prospects. Biomaterials 2021; 280:121301. [PMID: 34922270 DOI: 10.1016/j.biomaterials.2021.121301] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 01/22/2023]
Abstract
The need for the development of load-bearing, absorbable wound closure devices is driving the research for novel materials that possess both good biodegradability and superior mechanical characteristics. Biodegradable metals (BMs), namely: magnesium (Mg), zinc (Zn) and iron (Fe), which are currently being investigated for absorbable vascular stent and orthopaedic implant applications, are slowly gaining research interest for the fabrication of wound closure devices. The current review presents an overview of the traditional and novel BM-based intracutaneous and transcutaneous wound closure devices, and identifies Zn as a promising substitute for the traditional materials used in the fabrication of absorbable load-bearing sutures, internal staples, and subcuticular staples. In order to further strengthen Zn to be used in highly stressed situations, nutrient elements (NEs), including calcium (Ca), Mg, Fe, and copper (Cu), are identified as promising alloying elements for the strengthening of Zn-based wound closure device material that simultaneously provide potential therapeutic benefit to the wound healing process during implant biodegradation process. The influence of NEs on the fundamental characteristics of biodegradable Zn are reviewed and critically assessed with regard to the mechanical properties and biodegradability requirements of different wound closure devices. The opportunities and challenges in the development of Zn-based wound closure device materials are presented to inspire future research on this rapidly growing field.
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Guo Z, Zhang Z, Zhang N, Gao W, Li J, Pu Y, He B, Xie J. A Mg2+/polydopamine composite hydrogel for the acceleration of infected wound healing. Bioact Mater 2021; 15:203-213. [PMID: 35386343 PMCID: PMC8940763 DOI: 10.1016/j.bioactmat.2021.11.036] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/15/2021] [Accepted: 11/27/2021] [Indexed: 12/20/2022] Open
Abstract
Bacterial infection is a vital factor to delay the wound healing process. The antibiotics abuse leads to drug resistance of some pathogenic bacteria. Non-antibiotic-dependent multifunctional biomaterials with accelerated wound healing performance are urgently desired. Herein, we reported a composite antibacterial hydrogel PDA-PAM/Mg2+ that shows excellent self-healing and tissue adhesive property, and photothermal antibacterial functions for accelerating wound healing. The gel was composed of polyacrylamide (PAM), polydopamine (PDA), and magnesium (Mg2+) and prepared via a two-step procedure: an alkali-induced dopamine pre-polymerization and followed radical polymerization process. The composite gel shows excellent tissue adhesiveness and Mg2+-synergized photothermal antibacterial activity, inducing a survival rate of 5.29% for S. aureus and 7.06% for E. coli after near infrared light irradiation. The composite hydrogel further demonstrated efficient bacteria inhibition, enhanced wound healing and collagen deposition in a full-thickness skin defect rat model. Together, the PDA-PAM/Mg2+ hydrogel presents an excellent wound dressing with excellent tissue adhesion, wound healing, and antibacterial functions. A self-healing multifunctional hydrogel with photothermal antibacterial properties was developed and applied in wound healing. The hydrogel exhibited enhanced self-healing and adhesion properties. The hydrogel exhibited excellent photothermal effect and photothermal stability and repeatability. The hydrogel could accelerate wound healing by promoting cell proliferation and collagen deposition.
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12
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Zan R, Wang H, Ni J, Wang W, Peng H, Sun Y, Yang S, Lou J, Kang X, Zhou Y, Chen Y, Yan J, Zhang X. Multifunctional Magnesium Anastomosis Staples for Wound Closure and Inhibition of Tumor Recurrence and Metastasis. ACS Biomater Sci Eng 2021; 7:5269-5278. [PMID: 34618437 DOI: 10.1021/acsbiomaterials.1c00683] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Biodegradable magnesium (Mg) implants spontaneously releasing therapeutic agents against tumors are an intriguing therapeutic approach for both tissue repair and tumor treatment. Anastomotic staples are extensively used for wound closure after surgical resection in patients with colorectal tumors. However, the safety of Mg anastomosis implants for intestinal closure and the effect of tumor suppression remain elusive. Here, we used a high-purity Mg staple to study these issues. Based on the results, we found that it has the potential to heal wounds produced after colorectal tumor resection while inhibiting relapse of residual tumor cells in vitro and in vivo. After implantation of Mg staples for 7 weeks in rabbits, the intestinal wound gradually healed with no adverse effects such as leakage or inflammation. Furthermore, the implanted Mg staples inhibit the growth of colorectal tumor cells and block migration to normal organs because of the increased concentration of Mg ions and released hydrogen. Such an antitumor effect is further confirmed by the in vitro cell experiments. Mg significantly induces apoptosis of tumor cells as well as inhibits cell growth and migration. Our work presents a feasible therapeutic opinion to design Mg anastomotic staples to perform wound healing and simultaneously release tumor suppressor elements in vivo to decrease the risk of tumor recurrence and metastasis.
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Affiliation(s)
- Rui Zan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hao Wang
- Department of General Surgery and Translational Medicine Center, Wuxi No.2 People's Hospital, Affiliated Wuxi Clinical College of Nantong University, Jiangsu 214002, China
| | - Jiahua Ni
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wenhui Wang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hongzhou Peng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yu Sun
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shi Yang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jie Lou
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xinbao Kang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yongping Zhou
- Department of General Surgery and Translational Medicine Center, Wuxi No.2 People's Hospital, Affiliated Wuxi Clinical College of Nantong University, Jiangsu 214002, China
| | - Yigang Chen
- Department of General Surgery and Translational Medicine Center, Wuxi No.2 People's Hospital, Affiliated Wuxi Clinical College of Nantong University, Jiangsu 214002, China
| | - Jun Yan
- Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Xiaonong Zhang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.,Suzhou Origin Medical Technology Co. Ltd., Suzhou 215513, China
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13
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Zhang Y, Cao J, Wang X, Liu H, Shao Y, Chu C, Xue F, Bai J. The effect of enzymes on the in vitro degradation behavior of Mg alloy wires in simulated gastric fluid and intestinal fluid. Bioact Mater 2021; 7:217-226. [PMID: 34466728 PMCID: PMC8379480 DOI: 10.1016/j.bioactmat.2021.05.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 04/27/2021] [Accepted: 05/26/2021] [Indexed: 12/12/2022] Open
Abstract
With an upsurge of biodegradable metal implants, the research and application of Mg alloys in the gastrointestinal environment of the digestive tract have been of great interest. Digestive enzymes, mainly pepsin in the stomach and pancreatin in the small intestine, are widespread in the gastrointestinal tract, but their effect on the degradation of Mg alloys has not been well understood. In this study, we investigated the impacts of pepsin and pancreatin on the degradation of Mg-2Zn alloy wires. The results showed that the pepsin and pancreatin had completely different even the opposite effects on the degradation of Mg, although they both affected the degradation product layer. The degradation rate of Mg wire declined with the addition of pepsin in simulated gastric fluid (SGF) but rose with the addition of pancreatin in simulated intestinal fluid (SIF). The opposite trends in degradation rate also resulted in completely different degradation morphologies in wires surface, where the pitting corrosion in SGF was inhibited because of the physical barrier effect of pepsin adsorption. In contrast, the adsorption of pancreatin affected the integrity of magnesium hydrogen phosphate film, causing a relatively uneven degraded surface. These results may help us to understand the role of different digestive enzymes in the degradation of magnesium and facilitate the development and clinical application of magnesium alloy implanted devices for the digestive tract. The pepsin in SGF and pancreatin in SIF have opposite effects on the degradation rate of Mg. Both enzymes can adsorb on the surface of Mg wire and affect the formation of the degradation layer. The physical barrier effect of pepsin adsorption retarded the pitting corrosion and corrosion rate in SGF. Adsorbed pancreatin affected the integrity of the products layer in SIF, resulting in an accelerated corrosion rate.
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Affiliation(s)
- Yue Zhang
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing 211189, Jiangsu, China.,Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing 211189, Jiangsu, China.,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou 215163, Jiangsu, China
| | - Jian Cao
- Peking University People's Hospital, Xi Cheng, Beijing 100044, China
| | - Xianli Wang
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing 211189, Jiangsu, China.,Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing 211189, Jiangsu, China
| | - Huan Liu
- College of Mechanics and Materials, Hohai University, Nanjing, 211100, China
| | - Yi Shao
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing 211189, Jiangsu, China.,Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing 211189, Jiangsu, China.,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou 215163, Jiangsu, China
| | - Chenglin Chu
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing 211189, Jiangsu, China.,Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing 211189, Jiangsu, China
| | - Feng Xue
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing 211189, Jiangsu, China.,Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing 211189, Jiangsu, China
| | - Jing Bai
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing 211189, Jiangsu, China.,Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing 211189, Jiangsu, China.,Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou 215163, Jiangsu, China
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14
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Amukarimi S, Mozafari M. Biodegradable magnesium-based biomaterials: An overview of challenges and opportunities. MedComm (Beijing) 2021; 2:123-144. [PMID: 34766139 PMCID: PMC8491235 DOI: 10.1002/mco2.59] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/10/2021] [Accepted: 01/14/2021] [Indexed: 12/26/2022] Open
Abstract
As promising biodegradable materials with nontoxic degradation products, magnesium (Mg) and its alloys have received more and more attention in the biomedical field very recently. Having excellent biocompatibility and unique mechanical properties, magnesium-based alloys currently cover a broad range of applications in the biomedical field. The use of Mg-based biomedical devices eliminates the need for biomaterial removal surgery after the healing process and reduces adverse effects induced by the implantation of permanent biomaterials. However, the high corrosion rate of Mg-based implants leads to unexpected degradation, structural failure, hydrogen evolution, alkalization, and cytotoxicity. To overcome these limitations, alloying Mg with suitable alloying elements and surface treatment come highly recommended. In this area, open questions remain on the behavior of Mg-based biomaterials in the human body and the effects of different factors that have resulted in these challenges. In addition to that, many techniques are yet to be verified to turn these challenges into opportunities. Accordingly, this article aims to review major challenges and opportunities for Mg-based biomaterials to minimize the challenges for the development of novel biomaterials made of Mg and its alloys.
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Affiliation(s)
- Shukufe Amukarimi
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in MedicineIran University of Medical Sciences (IUMS)TehranIran
| | - Masoud Mozafari
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in MedicineIran University of Medical Sciences (IUMS)TehranIran
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15
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Koc B, Kizildag S, Hosgorler F, Gumus H, Kandis S, Ates M, Uysal N. Magnesium Citrate Increases Pain Threshold and Reduces TLR4 Concentration in the Brain. Biol Trace Elem Res 2021; 199:1954-1966. [PMID: 32989649 DOI: 10.1007/s12011-020-02384-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 09/09/2020] [Indexed: 10/23/2022]
Abstract
Magnesium is being investigated in various clinical conditions and has shown to be effective in some chronic pain models. However, it is not clear if oral magnesium use affects pain perception in acute pain. TLR4's (toll-like receptor) role in pain perception has emerged through its role in immune pathways and ion channels. The aim of this study is to investigate the effect of a single oral dose of magnesium citrate on pain conduction and whether with magnesium, the expression of TLR4 changes in the acute phase. Following a single dose of 66-mg/kg magnesium citrate administration to male Balb-c mice, pain perception (via hot-plate test), motor conduction (via electrophysiological recording, forelimb grip strength, rotarod and open-field tests), and emotional state (via elevated plus maze and forced swim test) were evaluated. In behavioral experiments, the control group was compared with applied magnesium for three different time groups (4, 8, 24 h). TLR4 expression was measured in four groups: control, magnesium (Mg), hot plate (HP), and Mg + HP. Hot plate latency was prolonged in the magnesium group (p < 0.0001) and electrophysiological recordings (p < 0.001) and forelimb grip strength measurement (p < 0.001) determined motor latency. Compared with the untreated hot plate group, TLR4 levels was lower in the brain (p = 0.023) and higher in the sciatic nerve (p = 0.001) in the magnesium-treated hot plate group. Consequently, the study indicated a single dose of magnesium citrate appeared to cause weakening in the transmission and perception of nociceptive pain. TLR4 may act as a regulator in magnesium's effects on pain perception.
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Affiliation(s)
- Basar Koc
- Department of Physiology, School of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Servet Kizildag
- College of Vocational School of Health Services, School of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Ferda Hosgorler
- Department of Physiology, School of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Hikmet Gumus
- Department of Sports Medicine, School of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Sevim Kandis
- Department of Physiology, School of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Mehmet Ates
- College of Vocational School of Health Services, School of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Nazan Uysal
- Department of Physiology, School of Medicine, Dokuz Eylül University, Izmir, Turkey.
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16
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Cheng GM, Wang RL, Zhang B, Deng XY. The protective effect of uric acid in reducing TLR4/NF-κB activation through the inhibition of HMGB1 acetylation in a model of ischemia-reperfusion injury in vitro. Mol Biol Rep 2020; 47:3233-3240. [PMID: 32095984 DOI: 10.1007/s11033-020-05324-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 02/13/2020] [Indexed: 12/11/2022]
Abstract
Inflammation plays an important role in ischemia-reperfusion injury. Through its antioxidative effects, uric acid can reduce cell injury. However, its mechanism is unknown. This study investigated the protective mechanism of uric acid in cells during ischemia-reperfusion. We divided hippocampal neurons into six groups: the control, OGD, OGD/R, OGD/R + HMGB1 siRNA, OGD/R + uric acid, and OGD/R + uric acid + HMGB1 groups. The MTT assay was used to evaluate cell viability, while apoptosis was detected by flow cytometry. The expression of HMGB1, TLR4, NF-κB-p65 and phosphorylated NF-κB-p65 was detected by Western blotting. The levels of IL-6, IL-1β and TNF-α in the culture medium were determined by ELISA. The results indicated increased cell viability and decreased apoptosis in the presence of HMGB1 siRNA and uric acid but the opposite findings in the presence of HMGB1 protein after OGD/R. Uric acid and HMGB1 siRNA inhibited HMGB1 acetylation to prevent its transport from the nucleus to the cytoplasm. The expression of HMGB1 downstream proteins (TLR4, NF-κB-p65 and phosphorylated NF-κB-p65) and the levels of inflammatory factors in the presence of HMGB1 siRNA and uric acid was lower than those in the presence of HMGB1 protein after OGD or OGD/R. These data indicated that uric acid may prevent cell injury mainly by inhibiting HMGB1 acetylation to regulate TLR4/NF-κB pathways and reduce the levels of inflammatory factors.
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Affiliation(s)
- Guan-Mei Cheng
- Department of Neurology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621#Harbour Road, Whampoa District, Guangzhou, 510700, China
| | - Ruo-Lu Wang
- Department of Neurology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621#Harbour Road, Whampoa District, Guangzhou, 510700, China
| | - Bin Zhang
- Department of Neurology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621#Harbour Road, Whampoa District, Guangzhou, 510700, China.
| | - Xiao-Ying Deng
- Department of Neurology, The Fifth Affiliated Hospital of Guangzhou Medical University, 621#Harbour Road, Whampoa District, Guangzhou, 510700, China.
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17
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Jin L, Chen C, Li Y, Yuan F, Gong R, Wu J, Zhang H, Kang B, Yuan G, Zeng H, Chen T. A Biodegradable Mg-Based Alloy Inhibited the Inflammatory Response of THP-1 Cell-Derived Macrophages Through the TRPM7-PI3K-AKT1 Signaling Axis. Front Immunol 2019; 10:2798. [PMID: 31849975 PMCID: PMC6902094 DOI: 10.3389/fimmu.2019.02798] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 11/14/2019] [Indexed: 12/16/2022] Open
Abstract
Mg-based alloys might be ideal biomaterials in clinical applications owing to favorable mechanical properties, biodegradability, biocompatibility, and especially their anti-inflammatory properties. However, the precise signaling mechanism underlying the inhibition of inflammation by Mg-based alloys has not been elucidated. Here, we investigated the effects of a Mg-2.1Nd-0.2Zn-0.5Zr alloy (denoted as JDBM) on lipopolysaccharide (LPS)-induced macrophages. THP-1 cell-derived macrophages were cultured on JDBM, Ti-6Al-4V alloy (Ti), 15% extract of JDBM, and 7.5 mM of MgCl2 for 1 h before the addition of LPS for an indicated time; the experiments included negative and positive controls. Our results showed JDBM, extract, and MgCl2 could decrease LPS-induced tumor necrosis factor (TNF) and interleukin (IL)-6 expression. However, there were no morphologic changes in macrophages on Ti or JDBM. Mechanically, extract and MgCl2 downregulated the expression of toll-like receptor (TLR)-4 and MYD88 compared with the positive control and inhibited LPS-induced nuclear factor-kappa B (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways by inactivation of the phosphorylation of IKK-α/β, IKβ-α, P65, P38, and JNK. Additionally, the LPS-induced reactive oxygen species (ROS) expression was also decreased by extract and MgCl2. Interestingly, the expression of LPS-induced TNF and IL-6 could be recovered by knocking down TRPM7 of macrophages, in the presence of extract or MgCl2. Mechanically, the activities of AKT and AKT1 were increased by extract or MgCl2 with LPS and were blocked by a PI3K inhibitor, whereas siRNA TRPM7 inhibited only AKT1. Together, our results demonstrated the degradation products of Mg-based alloy, especially magnesium, and resolved inflammation by activation of the TRPM7-PI3K-AKT1 signaling pathway, which may be a potential advantage or target to promote biodegradable Mg-based alloy applications.
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Affiliation(s)
- Liang Jin
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
- State Key Laboratory of Metal Matrix Composite, National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai, China
- Division of Immunology, Shanghai Children's Medical Center, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chenxin Chen
- State Key Laboratory of Metal Matrix Composite, National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai, China
| | - Yutong Li
- State Key Laboratory of Metal Matrix Composite, National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai, China
| | - Feng Yuan
- State Key Laboratory of Metal Matrix Composite, National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai, China
| | - Ruolan Gong
- Division of Immunology, Shanghai Children's Medical Center, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Allergy and Immunology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Wu
- Division of Immunology, Shanghai Children's Medical Center, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hua Zhang
- State Key Laboratory of Metal Matrix Composite, National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai, China
| | - Bin Kang
- Department of Orthopaedics, Peking University Shenzhen Hospital of Medicine, Shenzhen, China
| | - Guangyin Yuan
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
- State Key Laboratory of Metal Matrix Composite, National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai, China
| | - Hui Zeng
- Department of Orthopaedics, Peking University Shenzhen Hospital of Medicine, Shenzhen, China
| | - Tongxin Chen
- Division of Immunology, Shanghai Children's Medical Center, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Allergy and Immunology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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18
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Sun Y, Wu H, Wang W, Zan R, Peng H, Zhang S, Zhang X. Translational status of biomedical Mg devices in China. Bioact Mater 2019; 4:358-365. [PMID: 31909297 PMCID: PMC6939060 DOI: 10.1016/j.bioactmat.2019.11.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/29/2019] [Accepted: 11/06/2019] [Indexed: 12/14/2022] Open
Abstract
Magnesium (Mg) and its alloys as temporary medical implants with biodegradable and properly mechanical properties have been investigated for a long time. There are already three kinds of biodegradable Mg implants which are approved by Conformite Europeene (CE) or Korea Food and Drug Administration (KFDA), but not China Food and Drug Administration (CFDA, now it is National Medical Products Administration, NMPA). As we know, Chinese researchers, surgeons, and entrepreneurs have tried a lot to research and develop biodegradable Mg implants which might become other new approved implants for clinical applications. So in this review, we present the representative Mg implants of three categories, orthopedic implants, surgical implants, and intervention implants and provide an overview of current achievement in China from academic publications and Chinese patents. We would like to provide a systematic way to translate Mg and its alloy implants from experiment designs to clinical products.
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Affiliation(s)
- Yu Sun
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hongliu Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Wenhui Wang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Rui Zan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hongzhou Peng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shaoxiang Zhang
- Suzhou Origin Medical Technology Co. Ltd., Suzhou, 215513, China
| | - Xiaonong Zhang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
- Suzhou Origin Medical Technology Co. Ltd., Suzhou, 215513, China
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19
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Hu C, Zhang F, Kong Q, Lu Y, Zhang B, Wu C, Luo R, Wang Y. Synergistic Chemical and Photodynamic Antimicrobial Therapy for Enhanced Wound Healing Mediated by Multifunctional Light-Responsive Nanoparticles. Biomacromolecules 2019; 20:4581-4592. [PMID: 31697486 DOI: 10.1021/acs.biomac.9b01401] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Recently, rapid acquisition of antibiotic resistance, increased prevalence of antibiotic-resistant bacterial infections, and slow healing of infected wound have led to vast difficulties in developing innovative antimicrobial agents to obliterate pathogenic bacteria and simultaneously accelerate wound healing. To effectively solve this problem, we designed light-responsive multifunctional nanoparticles with conjugation of quaternary ammonium chitosan and photosensitizer chlorin e6 (Ce6) to merge chemical and photodynamic therapy to efficient antibacteria. The Mg/(-)-epigallocatechin-3-gallate (EGCG) complex rapidly responded to light irradiation under 660 nm with release of magnesium ions, which effectively accelerated wound healing without toxicity to mammalian cells. Notably, positively charged nanoparticles could efficiently adhere to the bacterial surface, and reactive oxygen species (ROS) produced under laser irradiation destroyed the membrane structure of the bacteria, which is irreversible, ultimately leading to bacteria death. Thus, multifunctional nanoparticles with a combination of chemical and photodynamic antimicrobial therapy would offer guidance to rational predicted and designed new effective antimicrobial nanomaterials. Most importantly, it may represent a promising class of antimicrobial strategy for potential clinical translation.
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Affiliation(s)
- Cheng Hu
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Fanjun Zhang
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Qunshou Kong
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Yuhui Lu
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Bo Zhang
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Can Wu
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu , Sichuan 610064 , People's Republic of China
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20
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Amano H, Hanada K, Hinoki A, Tainaka T, Shirota C, Sumida W, Yokota K, Murase N, Oshima K, Chiba K, Tanaka Y, Uchida H. Biodegradable Surgical Staple Composed of Magnesium Alloy. Sci Rep 2019; 9:14671. [PMID: 31604974 PMCID: PMC6789124 DOI: 10.1038/s41598-019-51123-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 09/25/2019] [Indexed: 11/09/2022] Open
Abstract
Currently, surgical staples are composed of non-biodegradable titanium (Ti) that can cause allergic reactions and interfere with imaging. This paper proposes a novel biodegradable magnesium (Mg) alloy staple and discusses analyses conducted to evaluate its safety and feasibility. Specifically, finite element analysis revealed that the proposed staple has a suitable stress distribution while stapling and maintaining closure. Further, an immersion test using artificial intestinal juice produced satisfactory biodegradable behavior, mechanical durability, and biocompatibility in vitro. Hydrogen resulting from rapid corrosion of Mg was observed in small quantities only in the first week of immersion, and most staples maintained their shapes until at least the fourth week. Further, the tensile force was maintained for more than a week and was reduced to approximately one-half by the fourth week. In addition, the Mg concentration of the intestinal artificial juice was at a low cytotoxic level. In porcine intestinal anastomoses, the Mg alloy staples caused neither technical failure nor such complications as anastomotic leakage, hematoma, or adhesion. No necrosis or serious inflammation reaction was histopathologically recognized. Thus, the proposed Mg alloy staple offers a promising alternative to Ti alloy staples.
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Affiliation(s)
- Hizuru Amano
- Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Kotaro Hanada
- Advanced Manufacturing Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki, 305-8564, Japan
| | - Akinari Hinoki
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Takahisa Tainaka
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Chiyoe Shirota
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Wataru Sumida
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Kazuki Yokota
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Naruhiko Murase
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Kazuo Oshima
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Kosuke Chiba
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Yujiro Tanaka
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Hiroo Uchida
- Department of Pediatric Surgery, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan.
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21
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Wang Y, Li X, Chen M, Zhao Y, You C, Li Y, Chen G. In Vitro and in Vivo Degradation Behavior and Biocompatibility Evaluation of Microarc Oxidation-Fluoridated Hydroxyapatite-Coated Mg-Zn-Zr-Sr Alloy for Bone Application. ACS Biomater Sci Eng 2019; 5:2858-2876. [PMID: 33405590 DOI: 10.1021/acsbiomaterials.9b00564] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Magnesium and its alloys are biodegradable materials with great potential for biomedical development; however, their high rate of degradation in biological environments limits the widespread application of these materials. In order to improve the corrosion resistance of magnesium alloy, a functional calcium phosphate coating was prepared on Mg-3Zn-0.5Zr-0.5Sr alloy by microarc oxidation (MAO) combined with chemical deposition of fluoridated hydroxyapatite (FHA). A dense calcium-phosphorus coating 6 μm thick composed of needle-shaped fluoridated hydroxyapatite formed on the surface of the MAO layer. The MAO-FHA coating exhibited good mineralization ability to induce hydroxyapatite deposition on its surface during degradation testing in simulated bodily fluids.
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Affiliation(s)
- Yansong Wang
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Xiao Li
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Minfang Chen
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.,Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China.,Key Laboratory of Display Materials and Photoelectric Device (Ministry of Education), Tianjin 300384, China
| | - Yun Zhao
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.,Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China.,Key Laboratory of Display Materials and Photoelectric Device (Ministry of Education), Tianjin 300384, China
| | - Chen You
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.,Key Laboratory of Display Materials and Photoelectric Device (Ministry of Education), Tianjin 300384, China
| | - Yankun Li
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Guorui Chen
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
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22
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Chen Y, Huang P, Chen H, Wang S, Wang H, Guo J, Zhang X, Zhang S, Yan J, Xia J, Xu Z. Assessment of the Biocompatibility and Biological Effects of Biodegradable Pure Zinc Material in the Colorectum. ACS Biomater Sci Eng 2018; 4:4095-4103. [PMID: 33418809 DOI: 10.1021/acsbiomaterials.8b00957] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Little attention has been paid to the biocompatibility and biological effects of zinc as a material. Here, we therefore investigated the biocompatibility and anti-inflammatory and collagen-promoting effects of pure zinc material in the colorectum. Our in vitro results indicated that zinc toxicity and concentration were closely related. Low concentrations of zinc ions and pure zinc material extract had only minor effects on the viability of primary rectal mucosal epithelial cells; however, cytotoxicity was observed at concentrations greater than 0.017 μg/μL and 60%, respectively. In vivo experiments demonstrated that zinc pins degraded slowly in the colorectum (their volume decreasing by approximately 7.79% over 1 month) and did not cause serious adverse reactions. Pure zinc material was found to inhibit acute inflammation through increased expression of ENA-78 and F4/80. Moreover, zinc material heightened expression of collagen and VEGF, factors conducive to wound healing, in surrounding colorectal tissues. These preliminary results suggest that zinc shows great promise as an implant material for medical applications involving colorectal surgery.
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Affiliation(s)
| | | | - Hui Chen
- Department of Pathology, Nanjing Jinling Hospital, Nanjing University School of Medicine, Jiangsu 210000, People's Republic of China
| | | | | | | | - Xiaonong Zhang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Shaoxiang Zhang
- Suzhou Origin Medical Technology Co. Ltd., 2 Haicheng Road, Changshu Economic and Technology Development Zone, Jiangsu 215513, People's Republic of China
| | - Jun Yan
- Department of General Surgery, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai 200233, China
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23
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Abstract
Biodegradable Mg-based alloys have shown great potential as bone fixation devices or vascular stents. As implant biomaterials, the foreign body reaction (FBR) is an important issue to be studied, where the inflammatory cells play a key role. Here, we used two inflammatory cell lines i.e. THP-1 cells and THP-1 macrophages, to evaluate the effect of Mg–Nd–Zn–Zr alloy (denoted as JDBM) extracts on cell viability, death modes, cell cycle, phagocytosis, differentiation, migration and inflammatory response. The results showed that high-concentration extract induced necrosis and complete damage of cell function. For middle-concentration extract, cell apoptosis and partially impaired cell function were observed. TNF-α expression of macrophages was up-regulated by co-culture with extract in 20% concentration, but was down-regulated in the same concentration in the presence of LPS stimulation. Interestingly, the production of TNF-α decreased when macrophages were cultured in middle and high concentration extracts independent of LPS. Cell viability was also negatively affected by magnesium ions in JDBM extracts, which was a potential factor affecting cell function. Our results provide new information about the impact of Mg alloy extracts on phenotype of immune cells and the potential mechanism, which should be taken into account prior to clinical applications.
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