1
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Li F, Xie X, Xu X, Zou X. Water-soluble biopolymers calcium polymalate derived from fermentation broth of Aureobasidium pullulans markedly alleviates osteoporosis and fatigue. Int J Biol Macromol 2024; 268:132013. [PMID: 38697412 DOI: 10.1016/j.ijbiomac.2024.132013] [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: 01/18/2024] [Revised: 04/02/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Osteoporosis is a prevalent condition characterized by bone loss and decreased skeletal strength, resulting in an elevated risk of fractures. Calcium plays a crucial role in preventing and managing osteoporosis. However, traditional calcium supplements have limited bioavailability, poor solubility, and adverse effects. In this study, we isolated a natural soluble biopolymer, calcium polymalate (PMACa), from the fermentation broth of the fungus Aureobasidium pullulans, to investigate its potential as an anti-osteoporosis therapeutic agent. Characterization revealed that linear PMA-Ca chains juxtaposed to form a porous, rod-like state, in the presence of Ca2+. In vivo mouse models demonstrated that PMA-Ca significantly promoted the conversion of serum calcium into bone calcium, and stimulated bone growth and osteogenesis. Additionally, PMA-Ca alleviated exercise fatigue in mice by facilitating the removal of essential metabolites, such as serum lactate (BLA) and blood urea nitrogen (BUN), from their bloodstream. In vitro studies further showed that PMA-Ca strengthened osteoblast cell activity, proliferation, and mineralization. And PMA-Ca upregulated the expression of some genes involved in osteoblast differentiation, indicating a potential correlation between bone formation and PMACa. These findings indicate that soluble PMA-Ca has the potential to be a novel biopolymer-based calcium supplement with sustainable production sourced from the fermentation industry.
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Affiliation(s)
- Fulin Li
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Xin Xie
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Xingran Xu
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China.
| | - Xiang Zou
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China; Dongguan Juwei Biotechnology Co., Dongguan 523808, China.
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2
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Zhu S, Chen Y, Lu Z, Kong S, Zhang Y, Jia X, Xin H, Zhang X, Zhang W, Liu F, Kong L. Bacteroid cerium oxide particles promote macrophage polarization to achieve early vascularization and subsequent osseointegration around implants. Biochem Biophys Res Commun 2024; 703:149647. [PMID: 38350211 DOI: 10.1016/j.bbrc.2024.149647] [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: 12/15/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/15/2024]
Abstract
The establishment of an osseointegration is crucial for the long-term stability and functionality of implant materials, and early angiogenesis is the key to successful osseointegration. However, the bioinertness of titanium implants affects osseointegration, limiting their clinical application. In this study, inspired by the rapid polarization of macrophages following the phagocytosis of bacteria, we developed bacteroid cerium oxide particles; these particles were composed of CeO2 and had a size similar to that of Bacillus (0.5 μ m). These particles were constructed on the implant surfaces using a hydrothermal method. In vitro experiments demonstrated that the particles effectively decreased the reactive oxygen species (ROS) levels in macrophages (RAW264.7). Furthermore, these particles exerted effects on M1 macrophage polarization, enhanced nitric oxide (NO) secretion to promote vascular regeneration, and facilitated rapid macrophage transition to the M2 phenotype. Subsequently, the particles facilitated human umbilical vein endothelial cell (HUVEC) migration. In vivo studies showed that these particles rapidly stimulated innate immune responses in animal models, leading to enhanced angiogenesis around the implant and improved osseointegration. In summary, the presence of bacteroid cerium oxide particles on the implant surface regulated and accelerated macrophage polarization, thereby enhancing angiogenesis during the immune response and improving peri-implant osseointegration.
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Affiliation(s)
- Simin Zhu
- College of Life Sciences, Northwest University, Xi'an, 710069, People's Republic of China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yicheng Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Zihan Lu
- College of Life Sciences, Northwest University, Xi'an, 710069, People's Republic of China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Shaolingzhuo Kong
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yufan Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Xuelian Jia
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - He Xin
- The 900th Hospital of Joint Logistic Support Force, PLA, Fuzhou, Fujian, 350001, People's Republic of China
| | - Xiao Zhang
- College of Life Sciences, Northwest University, Xi'an, 710069, People's Republic of China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Wenhui Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Fuwei Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
| | - Liang Kong
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
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3
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Winiecki M, Stepczyńska M, Moraczewski K, Skowronski L, Trzcinski M, Rerek T, Malinowski R. Effect of Low-Temperature Oxygen Plasma Treatment of Titanium Alloy Surface on Tannic Acid Coating Deposition. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1065. [PMID: 38473537 DOI: 10.3390/ma17051065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/20/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024]
Abstract
In this study, the effect of low-temperature oxygen plasma treatment with various powers of a titanium alloy surface on the structural and morphological properties of a substrate and the deposition of a tannic acid coating was investigated. The surface characteristics of the titanium alloy were evaluated by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), atomic force microscopy (AFM), and contact angle measurements. Following this, the tannic acid coatings were deposited on the titanium alloy substrates and the structural and morphological properties of the tannic acid coatings deposited were subject to characterization by XPS, SEM, and spectroscopic ellipsometry (SE) measurements. The results show that the low-temperature oxygen plasma treatment of titanium alloys leads to the formation of titanium dioxides that contain -OH groups on the surface being accompanied by a reduction in carbon, which imparts hydrophilicity to the titanium substrate, and the effect increases with the applied plasma power. The performed titanium alloy substrate modification translates into the quality of the deposited tannic acid coating standing out by higher uniformity of the coating, lower number of defects indicating delamination or incomplete bonding of the coating with the substrate, lower number of cracks, thinner cracks, and higher thickness of the tannic acid coatings compared to the non-treated titanium alloy substrate. A similar effect is observed as the applied plasma power increases.
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Affiliation(s)
- Mariusz Winiecki
- Department of Constructional Materials and Biomaterials, Faculty of Materials Engineering, Kazimierz Wielki University, Chodkiewicza 30, 85-064 Bydgoszcz, Poland
| | - Magdalena Stepczyńska
- Department of Polymer Materials Engineering, Faculty of Materials Engineering, Kazimierz Wielki University, Chodkiewicza 30, 85-064 Bydgoszcz, Poland
| | - Krzysztof Moraczewski
- Department of Polymer Materials Engineering, Faculty of Materials Engineering, Kazimierz Wielki University, Chodkiewicza 30, 85-064 Bydgoszcz, Poland
| | - Lukasz Skowronski
- Division of Surface Science, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland
| | - Marek Trzcinski
- Division of Surface Science, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland
| | - Tomasz Rerek
- Division of Surface Science, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland
| | - Rafał Malinowski
- Łukasiewicz Research Network-Institute for Engineering of Polymer Materials and Dyes, Marii Skłodowskiej-Curie 55, 87-100 Torun, Poland
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4
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Benedicto VL, Haguar Z, Abdulhasan A, Narayanaswami V. Apolipoprotein E3 Containing Nanodiscs as Vehicles for Transport and Targeted Delivery of Flavonoid Luteolin. ACS OMEGA 2024; 9:2988-2999. [PMID: 38250386 PMCID: PMC10795050 DOI: 10.1021/acsomega.3c09120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/23/2024]
Abstract
Luteolin is a flavonoid that possesses multiple beneficial biological properties, such as anticancer, antioxidant, and anti-inflammatory effects. The objective of this study is to test the hypothesis that luteolin can be transported across a cell via a nanodisc delivery system and delivered to intracellular sites. Luteolin was incorporated into reconstituted high-density lipoprotein complexes made up of apolipoprotein E3 (apoE3) N-terminal domain (apoE3NT) and 1,2-dimystrioyl-sn-glycero-3-phosphocholine. ApoE3NT confers the ability on nanodiscs to traverse the plasma membrane via low-density lipoprotein receptor or scavenger receptor-B1. Physicochemical characterization revealed that the nanodiscs were 17-22 nm in diameter as demonstrated by native polyacrylamide gel electrophoresis and dynamic lightering analysis and ∼660 kDa in size, with a luteolin content of ∼4 luteolin molecules/nanodisc. Luteolin appeared to be embedded in the nonpolar core of nanodiscs, as revealed by fluorescence quenching and polarization analysis and spectroscopic characterization. The presence of luteolin did not affect the ability of apoE3NT to mediate binding and cellular uptake of luteolin containing nanodiscs in macrophages, as inferred from immunofluorescence analysis that revealed apoE- and lipid-related fluorescence as punctate perinuclear vesicles and from flow cytometry studies. Lastly, luteolin appeared to be localized in the nucleus, having escaped the lysosomes following disassembly of the nanodiscs as suggested by fluorescence spectroscopy and microscopy analyses. Taken together, nanodiscs offer the potential to effectively transport luteolin and potentially therapeutic drugs into perinuclear sites in cells, where they can be available to enter the nucleus.
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Affiliation(s)
| | - Zahraa Haguar
- Department of Chemistry and
Biochemistry, California State University,
Long Beach, 1250 Bellflower Boulevard, Long Beach, California 90840, United States
| | - Abbas Abdulhasan
- Department of Chemistry and
Biochemistry, California State University,
Long Beach, 1250 Bellflower Boulevard, Long Beach, California 90840, United States
| | - Vasanthy Narayanaswami
- Department of Chemistry and
Biochemistry, California State University,
Long Beach, 1250 Bellflower Boulevard, Long Beach, California 90840, United States
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5
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Liang Z, Chen Z, Zhu Z, Zhang Y, Niu W, Tan S, Wong HM, Li X, Li Q, Qiu H. Colloidal Phenol-Amine Coating on Implants for Improved Anti-Inflammation and Osteogenesis. ACS Biomater Sci Eng 2024; 10:365-376. [PMID: 38118128 DOI: 10.1021/acsbiomaterials.3c01240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Phenol-amine coatings have attracted significant attention in recent years owing to their adjustable composition and multifaceted biological functionalities. The current preparation of phenol-amine coatings, however, involves a chemical reaction within the solution or interface, resulting in lengthy preparation times and necessitating specific reaction conditions, such as alkaline environments and oxygen presence. The facile, rapid, and eco-friendly preparation of phenol-amine coatings under mild conditions continues to pose a challenge. In this study, we use a macromolecular phenol-amine, Tanfloc, to form a stable colloid under neutral conditions, which was then rapidly adsorbed on the titanium surface by electrostatic action and then spread and fused to form a continuous coating within several minutes. This nonchemical preparation process was rapid, mild, and free of chemical additives. The in vitro and in vivo results showed that the Tanfloc colloid fusion coating inhibited destructive inflammation, promoted osteogenesis, and enhanced osteointegration. These remarkable advantages of the colloidal phenol-amine fusion coating highlight the suitability of its future application in clinical practice.
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Affiliation(s)
- ZhaoJia Liang
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - ZiRui Chen
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - ZhongQing Zhu
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - YaBing Zhang
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - WeiRui Niu
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - Shuang Tan
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - Hai Ming Wong
- Faculty of Dentistry, The Prince Philip Dental Hospital, The University of Hong Kong, Hong Kong 999077, China
| | - XiangYang Li
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - QuanLi Li
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
- Department of Stomatology, Longgang Otorhinolaryngology Hospital of Shenzhen, Shenzhen 518172, China
| | - Hua Qiu
- Key Lab. of Oral Diseases Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, 81 Meishan Road, Hefei 230032, China
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6
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Chen X, Li L, Chen L, Shao W, Chen Y, Fan X, Liu Y, Tang C, Ding S, Xu X, Zhou G, Feng X. Tea polyphenols coated sodium alginate-gelatin 3D edible scaffold for cultured meat. Food Res Int 2023; 173:113267. [PMID: 37803580 DOI: 10.1016/j.foodres.2023.113267] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 07/08/2023] [Accepted: 07/11/2023] [Indexed: 10/08/2023]
Abstract
This study aimed to use edible scaffolds as a platform for animal stem cell expansion, thus constructing block-shaped cell culture meat. The tea polyphenols (TP)-coated 3D scaffolds were constructed of sodium alginate (SA) and gelatin (Gel) with good biocompatibility and mechanical support. Initially, the physicochemical properties and mechanical properties of SA-Gel-TP scaffolds were measured, and the biocompatibility of the scaffolds was evaluated by C2C12 cells. SEM results showed that the scaffold had a porous laminar structure with TP particles attached to the surface, while FT-IR results also demonstrated the encapsulation of TP coating on the scaffold. In addition, the porosity of all scaffolds was higher than 40% and the degradation rate during the incubation cycle was less than 40% and the S2-G1-TP0.1-3 h scaffold has excellent cell adhesion and extension. Subsequently, we inoculated rabbit skeletal muscle myoblasts (RbSkMC) on the scaffold and induced differentiation. The results showed good adhesion and extension behavior of RbSkMC on S2-G1-TP0.1-3 h scaffolds with high expression of myogenic differentiation proteins and genes, and SEM results confirmed the formation of myotubes. Additionally, the adhesion rate of cells on scaffolds with TP coating was 1.5 times higher than that on scaffolds without coating, which significantly improved the cell proliferation rate and the morphology of cells with extension on the scaffolds. Furthermore, rabbit-derived cultured meat had similar appearance and textural characteristics to fresh meat. These conclusions indicate the high potential of the scaffolds with TP coating as a platform for the production of cultured meat products.
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Affiliation(s)
- Xiaohong Chen
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Linzi Li
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Lin Chen
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China.
| | - Wei Shao
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Yan Chen
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Xiaojing Fan
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Yaping Liu
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Changbo Tang
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Shijie Ding
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Xinglian Xu
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Guanghong Zhou
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Xianchao Feng
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China.
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7
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Biosynthetic regulatory network of flavonoid metabolites in stems and leaves of Salvia miltiorrhiza. Sci Rep 2022; 12:18212. [PMID: 36307498 PMCID: PMC9616839 DOI: 10.1038/s41598-022-21517-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/28/2022] [Indexed: 12/31/2022] Open
Abstract
Flavonoid secondary metabolites can treat and prevent many diseases, but systematic studies on regulation of the biosynthesis of such metabolites in aboveground parts of Salvia miltiorrhiza are lacking. In this study, metabonomic and transcriptomic analyses of different S. miltiorrhiza phenotypes were conducted to explore pathways of synthesis, catalysis, accumulation, and transport of the main flavonoid secondary metabolites regulating pigment accumulation. Tissue localization and quantitative analysis of flavonoid secondary metabolites were conducted by laser scanning confocal microscopy (LSCM). A total 3090 differentially expressed genes were obtained from 114,431 full-length unigenes in purple and green phenotypes, and 108 functional genes were involved in flavonoid biosynthesis. Five key phenylpropane structural genes (PAL, 4CL, ANS, 3AT, HCT) were highly differentially expressed, and four transcription factor genes (MYB, WRKY, bHLH, bZiP) were identified. In addition, six GST genes, nine ABC transporters, 22 MATE genes, and three SNARE genes were detected with key roles in flavonoid transport. According to LSCM, flavonoids were mainly distributed in epidermis, cortex, and collenchyma. Thus, comprehensive and systematic analyses were used to determine biosynthesis, accumulation, and transport of flavonoids in stems and leaves of different S. miltiorrhiza phenotypes. The findings will provide a reference for flavonoid production and cultivar selection.
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8
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Effects of Resveratrol, Curcumin and Quercetin Supplementation on Bone Metabolism—A Systematic Review. Nutrients 2022; 14:nu14173519. [PMID: 36079777 PMCID: PMC9459740 DOI: 10.3390/nu14173519] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/15/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Phenolic compounds are natural phytochemicals that have recently reported numerous health benefits. Resveratrol, curcumin, and quercetin have recently received the most attention among these molecules due to their documented antioxidant effects. The review aims to investigate the effects of these molecules on bone metabolism and their role in several diseases such as osteopenia and osteoporosis, bone tumours, and periodontitis. The PubMed/Medline, Web of Science, Google Scholar, Scopus, Cochrane Library, and Embase electronic databases were searched for papers in line with the study topic. According to an English language restriction, the screening period was from January 2012 to 3 July 2022, with the following Boolean keywords: (“resveratrol” AND “bone”); (“curcumin” AND “bone”); (“quercetin” AND “bone”). A total of 36 papers were identified as relevant to the purpose of our investigation. The studies reported the positive effects of the investigated phenolic compounds on bone metabolism and their potential application as adjuvant treatments for osteoporosis, bone tumours, and periodontitis. Furthermore, their use on the titanium surfaces of orthopaedic prostheses could represent a possible application to improve the osteogenic processes and osseointegration. According to the study findings, resveratrol, curcumin, and quercetin are reported to have a wide variety of beneficial effects as supplement therapies. The investigated phenolic compounds seem to positively mediate bone metabolism and osteoclast-related pathologies.
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9
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Gao ZR, Feng YZ, Zhao YQ, Zhao J, Zhou YH, Ye Q, Chen Y, Tan L, Zhang SH, Feng Y, Hu J, Ou-Yang ZY, Dusenge MA, Guo Y. Traditional Chinese medicine promotes bone regeneration in bone tissue engineering. Chin Med 2022; 17:86. [PMID: 35858928 PMCID: PMC9297608 DOI: 10.1186/s13020-022-00640-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 06/30/2022] [Indexed: 11/10/2022] Open
Abstract
Bone tissue engineering (BTE) is a promising method for the repair of difficult-to-heal bone tissue damage by providing three-dimensional structures for cell attachment, proliferation, and differentiation. Traditional Chinese medicine (TCM) has been introduced as an effective global medical program by the World Health Organization, comprising intricate components, and promoting bone regeneration by regulating multiple mechanisms and targets. This study outlines the potential therapeutic capabilities of TCM combined with BTE in bone regeneration. The effective active components promoting bone regeneration can be generally divided into flavonoids, alkaloids, glycosides, terpenoids, and polyphenols, among others. The chemical structures of the monomers, their sources, efficacy, and mechanisms are described. We summarize the use of compounds and medicinal parts of TCM to stimulate bone regeneration. Finally, the limitations and prospects of applying TCM in BTE are introduced, providing a direction for further development of novel and potential TCM.
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Affiliation(s)
- Zheng-Rong Gao
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Yun-Zhi Feng
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Ya-Qiong Zhao
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Jie Zhao
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Ying-Hui Zhou
- Department of Endocrinology and Metabolism, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, National Clinical Research Center for Metabolic Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qin Ye
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Yun Chen
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Li Tan
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Shao-Hui Zhang
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Yao Feng
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Jing Hu
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Ze-Yue Ou-Yang
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Marie Aimee Dusenge
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China
| | - Yue Guo
- Department of Stomatology, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha, 410011, Hunan, China.
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10
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Cao H, Yang L, Tian R, Wu H, Gu Z, Li Y. Versatile polyphenolic platforms in regulating cell biology. Chem Soc Rev 2022; 51:4175-4198. [PMID: 35535743 DOI: 10.1039/d1cs01165k] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Polyphenolic materials are a class of fascinating and versatile bioinspired materials for biointerfacial engineering. In particular, due to the presence of active chemical groups, a series of unique physicochemical properties become accessible and tunable of the as-prepared polyphenolic platforms, which could delicately regulate the cell activities via cell-material contact-dependent interactions. More interestingly, polyphenols could also affect the cell behaviors via cell-material contact-independent manner, which arise due to their intrinsically functional characteristics (e.g., antioxidant and photothermal behaviors). As such, a comprehensive understanding on the relationship between material properties and desired biomedical applications, as well as the underlying mechanism at the cellular and molecular level would provide material design principles and accelerate the lab-to-clinic translation of polyphenolic platforms. In this review, we firstly give a brief overview of cell hallmarks governed by surrounding cues, followed by the introduction of polyphenolic material engineering strategies. Subsequently, a detailed discussion on cell-polyphenols contact-dependent interfacial interaction and contact-independent interaction was also carefully provided. Lastly, their biomedical applications were elaborated. We believe that this review could provide guidances for the rational material design of multifunctional polyphenols and extend their application window.
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Affiliation(s)
- Huan Cao
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, National Clinical Research Center for Geriatrics, West China Hospital, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610041, China.
| | - Lei Yang
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, National Clinical Research Center for Geriatrics, West China Hospital, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610041, China.
| | - Rong Tian
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, National Clinical Research Center for Geriatrics, West China Hospital, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610041, China.
| | - Haoxing Wu
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhipeng Gu
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, National Clinical Research Center for Geriatrics, West China Hospital, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610041, China.
| | - Yiwen Li
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, National Clinical Research Center for Geriatrics, West China Hospital, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610041, China.
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11
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Bardelčíková A, Miroššay A, Šoltýs J, Mojžiš J. Therapeutic and prophylactic effect of flavonoids in post-COVID-19 therapy. Phytother Res 2022; 36:2042-2060. [PMID: 35302260 PMCID: PMC9111001 DOI: 10.1002/ptr.7436] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 02/16/2022] [Accepted: 02/21/2022] [Indexed: 12/17/2022]
Abstract
The high incidence of post-covid symptoms in humans confirms the need for effective treatment. Due to long-term complications across several disciplines, special treatment programs emerge for affected patients, emphasizing multidisciplinary care. For these reasons, we decided to look at current knowledge about possible long-term complications of COVID-19 disease and then present the effect of flavonoids, which could help alleviate or eliminate complications in humans after overcoming the COVID-19 infection. Based on articles published from 2003 to 2021, we summarize the flavonoids-based molecular mechanisms associated with the post-COVID-19 syndrome and simultaneously provide a complex view regarding their prophylactic and therapeutic potential. Review clearly sorts out the outcome of post-COVID-19 syndrome according particular body systems. The conclusion is that flavonoids play an important role in prevention of many diseases. We suggest that flavonoids as critical nutritional supplements, are suitable for the alleviation and shortening of the period associated with the post-COVID-19 syndrome. The most promising flavonoid with noteworthy therapeutic and prophylactic effect appears to be quercetin.
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Affiliation(s)
- Annamária Bardelčíková
- Department of Pharmacology, Medical Faculty of University of Pavol Jozef Šafárik in Košice, Košice, Slovak Republic
| | - Andrej Miroššay
- Department of Pharmacology, Medical Faculty of University of Pavol Jozef Šafárik in Košice, Košice, Slovak Republic
| | - Jindřich Šoltýs
- Institute of Parasitology, Slovak Academy of Science, Košice, Slovak Republic
| | - Ján Mojžiš
- Department of Pharmacology, Medical Faculty of University of Pavol Jozef Šafárik in Košice, Košice, Slovak Republic
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12
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Effect of taxifolin and epigallocatechin-3-gallate on biomineralization potential of stem cells from dental apical papilla. Arch Oral Biol 2022; 138:105413. [DOI: 10.1016/j.archoralbio.2022.105413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/11/2022] [Accepted: 03/18/2022] [Indexed: 11/24/2022]
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13
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Liu S, Fang Z, Ng K. Recent development in fabrication and evaluation of phenolic-dietary fiber composites for potential treatment of colonic diseases. Crit Rev Food Sci Nutr 2022; 63:6860-6884. [PMID: 35225102 DOI: 10.1080/10408398.2022.2043236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Phenolics have been shown by in vitro and animal studies to have multiple pharmacological effects against various colonic diseases. However, their efficacy against colonic diseases, such as inflammatory bowel diseases, Crohn's disease, and colorectal cancer, is significantly compromised due to their chemical instability and susceptibility to modification along the gastrointestinal tract (GIT) before reaching the colonic site. Dietary fibers are promising candidates that can form phenolic-dietary fiber composites (PDC) to carry phenolics to the colon, as they are natural polysaccharides that are non-digestible in the upper intestinal tract but can be partially or fully degradable by gut microbiota in the colon, triggering the release at this targeted site. In addition, soluble and fermentable dietary fibers confer additional health benefits as prebiotics when used in the PDC fabrication, and the possibility of synergistic relationship between phenolics and fibers in alleviating the disease conditions. The functionalities of PDC need to be characterized in terms of their particle characteristics, molecular interactions, release profiles in simulated digestion and colonic fermentation to fully understand the metabolic fate and health benefits. This review examines recent advancements regarding the approaches for fabrication, characterization, and evaluation of PDC in in vitro conditions.
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Affiliation(s)
- Siyao Liu
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia
| | - Zhongxiang Fang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia
| | - Ken Ng
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, Australia
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14
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Weber F, Quach HQ, Reiersen M, Sarraj SY, Bakir DN, Jankowski VA, Nilsson PH, Tiainen H. Characterization of the foreign body response of titanium implants modified with polyphenolic coatings. J Biomed Mater Res A 2022; 110:1341-1355. [PMID: 35218127 PMCID: PMC9305744 DOI: 10.1002/jbm.a.37377] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 12/28/2022]
Abstract
The foreign body response is dictating the outcome of wound healing around any implanted materials. Patients who suffer from chronic inflammatory diseases and impaired wound healing often face a higher risk for implant failure. Therefore, functional surfaces need to be developed to improve tissue integration. For this purpose, we evaluated the impact of surface coatings made of antioxidant polyphenolic molecules tannic acid (TA) and pyrogallol (PG) on the host response in human blood. Our results showed that although the polyphenolic surface modifications impact the initial blood protein adsorption compared to Ti, the complement and coagulation systems are triggered. Despite complement activation, monocytes and granulocytes remained inactivated, which was manifested in a low pro-inflammatory cytokine expression. Under oxidative stress, both coatings were able to reduce intracellular reactive oxygen species in human gingival fibroblasts (hGFs). However, no anti-inflammatory effects of polyphenolic coatings could be verified in hGFs stimulated with lipopolysaccharide and IL-1β. Although polyphenols reportedly inhibit the NF-κB signaling pathway, phosphorylation of NF-κB p65 was observed. In conclusion, our results indicated that TA and PG coatings improved the hemocompatibility of titanium surfaces and have the potential to reduce oxidative stress during wound healing.
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Affiliation(s)
- Florian Weber
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
| | - Huy Quang Quach
- Department of Immunology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Mathias Reiersen
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
| | - Sadaf Yosef Sarraj
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
| | - Dyala Nidal Bakir
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
| | | | - Per H Nilsson
- Department of Immunology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden
| | - Hanna Tiainen
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
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15
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Jung J, Choi YJ, Lee SJ, Choi YS, Douangdeuane B, Souliya O, Jeong S, Park S, Hwang DY, Seo S. Promoting Effects of Titanium Implants Coated with Dipterocarpus tuberculatus Extract on Osseointegration. ACS Biomater Sci Eng 2022; 8:847-858. [DOI: 10.1021/acsbiomaterials.1c01220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jaewon Jung
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Yun Ju Choi
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Su Jin Lee
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Yu-Sang Choi
- DENTIS, 6, Yuram-ro, Dong-gu, Daegu 41065, Republic of Korea
| | | | - Onevilay Souliya
- Ministry of Health, Institute of Traditional Medicine, Vientiane 0103, Lao PDR
| | - Suhui Jeong
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Sohae Park
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Dae Youn Hwang
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
| | - Sungbaek Seo
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea
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16
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Lu X, Wu Z, Xu K, Wang X, Wang S, Qiu H, Li X, Chen J. Multifunctional Coatings of Titanium Implants Toward Promoting Osseointegration and Preventing Infection: Recent Developments. Front Bioeng Biotechnol 2021; 9:783816. [PMID: 34950645 PMCID: PMC8691702 DOI: 10.3389/fbioe.2021.783816] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 10/25/2021] [Indexed: 01/27/2023] Open
Abstract
Titanium and its alloys are dominant material for orthopedic/dental implants due to their stable chemical properties and good biocompatibility. However, aseptic loosening and peri-implant infection remain problems that may lead to implant removal eventually. The ideal orthopedic implant should possess both osteogenic and antibacterial properties and do proper assistance to in situ inflammatory cells for anti-microbe and tissue repair. Recent advances in surface modification have provided various strategies to procure the harmonious relationship between implant and its microenvironment. In this review, we provide an overview of the latest strategies to endow titanium implants with bio-function and anti-infection properties. We state the methods they use to preparing these efficient surfaces and offer further insight into the interaction between these devices and the local biological environment. Finally, we discuss the unmet needs and current challenges in the development of ideal materials for bone implantation.
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Affiliation(s)
- Xiaoxuan Lu
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Zichen Wu
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Kehui Xu
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Xiaowei Wang
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Shuang Wang
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Hua Qiu
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Xiangyang Li
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
| | - Jialong Chen
- Key Laboratory of Oral Diseases Research of Anhui Province, Stomatologic Hospital and College, Anhui Medical University, Hefei, China
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17
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Raja IS, Preeth DR, Vedhanayagam M, Hyon SH, Lim D, Kim B, Rajalakshmi S, Han DW. Polyphenols-loaded electrospun nanofibers in bone tissue engineering and regeneration. Biomater Res 2021; 25:29. [PMID: 34563260 PMCID: PMC8466400 DOI: 10.1186/s40824-021-00229-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 08/30/2021] [Indexed: 01/27/2023] Open
Abstract
Bone is a complex structure with unique cellular and molecular process in its formation. Bone tissue regeneration is a well-organized and routine process at the cellular and molecular level in humans through the activation of biochemical pathways and protein expression. Though many forms of biomaterials have been applied for bone tissue regeneration, electrospun nanofibrous scaffolds have attracted more attention among researchers with their physicochemical properties such as tensile strength, porosity, and biocompatibility. When drugs, antibiotics, or functional nanoparticles are taken as additives to the nanofiber, its efficacy towards the application gets increased. Polyphenol is a versatile green/phytochemical small molecule playing a vital role in several biomedical applications, including bone tissue regeneration. When polyphenols are incorporated as additives to the nanofibrous scaffold, their combined properties enhance cell attachment, proliferation, and differentiation in bone tissue defect. The present review describes bone biology encompassing the composition and function of bone tissue cells and exemplifies the series of biological processes associated with bone tissue regeneration. We have highlighted the molecular mechanism of bioactive polyphenols involved in bone tissue regeneration and specified the advantage of electrospun nanofiber as a wound healing scaffold. As the polyphenols contribute to wound healing with their antioxidant and antimicrobial properties, we have compiled a list of polyphenols studied, thus far, for bone tissue regeneration along with their in vitro and in vivo experimental biological results and salient observations. Finally, we have elaborated on the importance of polyphenol-loaded electrospun nanofiber in bone tissue regeneration and discussed the possible challenges and future directions in this field.
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Affiliation(s)
| | - Desingh Raj Preeth
- Chemical Biology and Nanobiotechnology Laboratory, AU-KBC Research Centre, Anna University, MIT Campus, Chromepet, Chennai, 600 044, India
| | | | | | - Dohyung Lim
- Department of Mechanical Engineering, Sejong University, Seoul, 05006, South Korea
| | - Bongju Kim
- Dental Life Science Research Institute / Innovation Research & Support Center for Dental Science, Seoul National University Dental Hospital, Seoul, 03080, South Korea.
| | - Subramaniyam Rajalakshmi
- Chemical Biology and Nanobiotechnology Laboratory, AU-KBC Research Centre, Anna University, MIT Campus, Chromepet, Chennai, 600 044, India.
| | - Dong-Wook Han
- BIO-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea. .,Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan, 46241, South Korea.
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18
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Manivasagam VK, Sabino RM, Kantam P, Popat KC. Surface modification strategies to improve titanium hemocompatibility: a comprehensive review. MATERIALS ADVANCES 2021; 2:5824-5842. [PMID: 34671743 PMCID: PMC8451052 DOI: 10.1039/d1ma00367d] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/27/2021] [Indexed: 05/31/2023]
Abstract
Titanium and its alloys are widely used in different biomaterial applications due to their remarkable mechanical properties and bio-inertness. However, titanium-based materials still face some challenges, with an emphasis on hemocompatibility. Blood-contacting devices such as stents, heart valves, and circulatory devices are prone to thrombus formation, restenosis, and inflammation due to inappropriate blood-implant surface interactions. After implantation, when blood encounters these implant surfaces, a series of reactions takes place, such as protein adsorption, platelet adhesion and activation, and white blood cell complex formation as a defense mechanism. Currently, patients are prescribed anticoagulant drugs to prevent blood clotting, but these drugs can weaken their immune system and cause profound bleeding during injury. Extensive research has been done to modify the surface properties of titanium to enhance its hemocompatibility. Results have shown that the modification of surface morphology, roughness, and chemistry has been effective in reducing thrombus formation. The main focus of this review is to analyze and understand the different modification techniques on titanium-based surfaces to enhance hemocompatibility and, consequently, recognize the unresolved challenges and propose scopes for future research.
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Affiliation(s)
| | - Roberta M Sabino
- School of Advanced Materials Discovery, Colorado State University Fort Collins CO USA
| | - Prem Kantam
- Department of Mechanical Engineering, Colorado State University Fort Collins CO USA
| | - Ketul C Popat
- Department of Mechanical Engineering, Colorado State University Fort Collins CO USA
- School of Advanced Materials Discovery, Colorado State University Fort Collins CO USA
- School of Biomedical Engineering, Colorado State University Fort Collins CO USA
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19
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Das A, Baidya R, Chakraborty T, Samanta AK, Roy S. Pharmacological basis and new insights of taxifolin: A comprehensive review. Biomed Pharmacother 2021; 142:112004. [PMID: 34388527 DOI: 10.1016/j.biopha.2021.112004] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/12/2021] [Accepted: 08/01/2021] [Indexed: 02/07/2023] Open
Abstract
The pharmacological characteristics of phytochemicals have prompted a lot of interest in their application in disease management. Due to the high incidence of cancer related mortality and morbidity throughout the world; experiments have concentrated on identifying the anticancer potential of natural substances. Many phytochemicals such as flavonoids and their derivatives produced from food offer a variety of new anti-cancer agents which prevent the cancer progression. Taxifolin, a unique bioactive flavonoid, is a dietary component that has grabbed the interest of dietitians and medicinal chemists due to its wide range of health benefits. It is a powerful antioxidant with a well-documented effect in the prevention of several malignancies in humans. Taxifolin has shown promising inhibitory activity against inflammation, malignancies, microbial infection, oxidative stress, cardiovascular disease, and liver disease. Anti-cancer activity has been shown to be relatively significant than other activities investigated in vitro and in vivo with a little or no side effects to the normal healthy cells. In summary this review offers the synopsis of recent breakthroughs in the use of taxifolin as a cancer treatment, as well as mechanisms of action. However, to develop a medicine for human usage, more study on pharmacokinetic profile, profound molecular mechanisms, and drug safety criteria should be conducted utilizing well-designed randomized clinical trials.
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Affiliation(s)
- Abhijit Das
- Department of Pharmacy, NSHM Knowledge Campus-Kolkata, 124 B.L. Saha Road, Kolkata 700053, West Bengal, India
| | - Ratna Baidya
- Department of Pharmacy, NSHM Knowledge Campus-Kolkata, 124 B.L. Saha Road, Kolkata 700053, West Bengal, India
| | - Tania Chakraborty
- Department of Pharmacy, NSHM Knowledge Campus-Kolkata, 124 B.L. Saha Road, Kolkata 700053, West Bengal, India
| | - Akash Kumar Samanta
- Department of Pharmacy, NSHM Knowledge Campus-Kolkata, 124 B.L. Saha Road, Kolkata 700053, West Bengal, India
| | - Souvik Roy
- Department of Pharmacy, NSHM Knowledge Campus-Kolkata, 124 B.L. Saha Road, Kolkata 700053, West Bengal, India.
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20
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Rosehip Extract-Functionalized Magnesium Hydroxide Nanoparticles and Its Effect on Osteoblastic and Osteoclastic Cells. MATERIALS 2021; 14:ma14154172. [PMID: 34361365 PMCID: PMC8348532 DOI: 10.3390/ma14154172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/19/2021] [Accepted: 07/24/2021] [Indexed: 01/21/2023]
Abstract
Considering the role of magnesium in bone metabolism and the increasing relevance of plant-mediated green-synthesis, this work compares the bone cytocompatibility of magnesium hydroxide nanoparticles (NPs) produced by using pure water, Mg(OH)2, or a rosehip (RH) aqueous extract, Mg(OH)2RH. The NPs were evaluated for dose- and time-dependent effects on human osteoblastic and osteoclastic response, due to the direct involvement of the two cell types in bone metabolism. Mg(OH)2 NPs presented nanoplatelet-like morphology (mean diameter ~90 nm) and a crystalline structure (XRD analysis); the RH-mediated synthesis yielded smaller rounded particles (mean diameter <10 nm) with decreased crystallinity. On the ATR-FTIR spectra, both NPs presented the characteristic Mg-OH peaks; Mg(OH)2RH exhibited additional vibration bands associated with the presence of phytochemicals. On osteoblastic cells, NPs did not affect cell growth and morphology but significantly increased alkaline phosphatase (ALP) activity; on osteoclastic cells, particles had little effect in protein content, tartrate-resistant acid phosphatase (TRAP) activity, percentage of multinucleated cells, and cell area. However, compared with Mg(OH)2, Mg(OH)2RH increased osteoblastic differentiation by inducing ALP activity and promoting the expression of Runx2, SP7, Col1a1, and ALP, and had a negative effect on the expression of the osteoclastic genes NFATC1, CA2, and CTSK. These observations suggest the potential usefulness of Mg(OH)2RH NPs in bone regeneration.
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21
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Sánchez-Aguinagalde O, Meaurio E, Lejardi A, Sarasua JR. Amorphous solid dispersions in poly(ε-caprolactone)/xanthohumol bioactive blends: physicochemical and mechanical characterization. J Mater Chem B 2021; 9:4219-4229. [PMID: 33998613 DOI: 10.1039/d0tb02964e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This paper reports the obtention of amorphous solid dispersions (ASDs) of xanthohumol (XH) in PCL containing up to 50 wt% of the bioactive compound in the amorphous form thanks to the advantageous specific interactions established in this system. The miscibility of the PCL/XH blends was investigated using DSC. Melting point depression analysis yielded a negative interaction parameter indicating the occurrence of favorable inter-association interactions. XRD analyses performed at room temperature agree with the crystallinity results obtained on the heating runs performed by DSC. FTIR spectroscopy reveals strong C[double bond, length as m-dash]OO-H specific interactions between the hydroxyl groups of XH and the carbonyl groups of PCL. The AFM analysis of the blends obtained by spin-coating shows the variation of crystalline morphology with composition. Finally, tensile tests reveal high toughness retention for the blends in which XH can be dispersed in the amorphous form (containing up to 50 wt% XH). In summary, PCL is a convenient matrix to disperse XH in the amorphous form, bringing the possibility of obtaining completely amorphous bioactive materials suitable for the development of non-stiff biomedical devices.
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Affiliation(s)
- Oroitz Sánchez-Aguinagalde
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
| | - Emilio Meaurio
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
| | - Ainhoa Lejardi
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
| | - Jose-Ramon Sarasua
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
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22
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MASSUNARI L, RABELO RL, LEITE ML, SOARES DG, ANOVAZZI G, COSTA CAS, DUQUE C. Dose- and time-dependent effects of taxifolin on viability and mineralization markers of osteoblast-like cells. Braz Oral Res 2021; 35:e140. [DOI: 10.1590/1807-3107bor-2021.vol35.0140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 07/13/2021] [Indexed: 11/22/2022] Open
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23
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Welch NG, Winkler DA, Thissen H. Antifibrotic strategies for medical devices. Adv Drug Deliv Rev 2020; 167:109-120. [PMID: 32553685 DOI: 10.1016/j.addr.2020.06.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 06/02/2020] [Accepted: 06/08/2020] [Indexed: 12/13/2022]
Abstract
A broad range of medical devices initiate an immune reaction known as the foreign body response (FBR) upon implantation. Here, collagen deposition at the surface of the implant occurs as a result of the FBR, ultimately leading to fibrous encapsulation and, in many cases, reduced function or failure of the device. Despite significant efforts, the prevention of fibrotic encapsulation has not been realized at this point in time. However, many next-generation medical technologies including cellular therapies, sensors and devices depend on the ability to modulate and control the FBR. For these technologies to become viable, significant advances must be made in understanding the underlying mechanism of this response as well as in the methods modulating this response. In this review, we highlight recent advances in the development of materials and coatings providing a reduced FBR and emphasize key characteristics of high-performing approaches. We also provide a detailed overview of the state-of-the-art in strategies relying on controlled drug release, the surface display of bioactive signals, materials-based approaches, and combinations of these approaches. Finally, we offer perspectives on future directions in this field.
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24
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Nanostructured Titanium for Improved Endothelial Biocompatibility and Reduced Platelet Adhesion in Stent Applications. COATINGS 2020. [DOI: 10.3390/coatings10090907] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Although coronary stents have improved the early and long-term consequences of arterial lesions, the prevention of restenosis and late stent thrombosis is key to prevent a new obstruction of the vessel. Here we aimed at improving the tissue response to stents through surface modification. For that purpose, we used two different approaches, the use of nanostructuration by electrochemical anodization and the addition of a quercitrin (QR) coating to the Ti surface. Four surfaces (Ti, NN, TiQR and NNQR) were characterized by atomic force microscopy, scanning electronic microscopy and contact angle analysis and QR content was evaluated by fluorescent staining. Cell adhesion, cytotoxicity, metabolic activity and nitric oxide (NO) production was evaluated on primary human umbilical cord endothelial cells (HUVECs). Platelet adhesion, hemolysis rate and Staphylococcus epidermidis CECT 4184 adhesion at 30 min were analyzed. Nanostructuration induced an increase on surface roughness, and QR coating decreased the contact angle. All surfaces were biocompatible, with no hemolysis rate and lower platelet adhesion was found in NN surfaces. Finally, S. epidermidis adhesion was lower on TiQR surfaces compared to Ti. In conclusion, our results suggest that NN structuration could improve biocompatibility of bare metal stents on endothelial cells and reduce platelet adhesion. Moreover, QR coating could reduce bacterial adhesion.
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Wang R, Zhu X, Wang Q, Li X, Wang E, Zhao Q, Wang Q, Cao H. The anti-tumor effect of taxifolin on lung cancer via suppressing stemness and epithelial-mesenchymal transition in vitro and oncogenesis in nude mice. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:590. [PMID: 32566617 PMCID: PMC7290558 DOI: 10.21037/atm-20-3329] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background Taxifolin is a natural flavonoid with anti-oxidant and anti-proliferative properties. In this study, we investigated the stemness-related inhibitory effects of taxifolin in two lung cancer cell lines, A549 and H1975, as well as in A549 xenografts. Methods A549 and H1975 cells, as well as A549 xenograft BALB/c mice were treated with taxifolin. Cell viability, stemness, mobility and protein expression were tested with Cell counting kit-8 (CCK-8), Colony formation assay, Flow cytometry, Transwell, Western blot and Immunohistochemistry, respectively. Results CCK-8 exhibited an obvious toxicity of taxifolin to both cell lines at higher dose. Then taxifolin of 0, 25, 50, and 100 µM/L were subsequently used. Taxifolin exhibited inhibitory effects on stemness and sphere formation, reduced protein expression of SOX2 and OCT4, and reduced CD133-positive cells. Furthermore, taxifolin decreased invasive cells, reduced N-cadherin and vimentin while increased E-cadherin expression, indicating that epithelial-mesenchymal transition (EMT) was inhibited. All of the effects observed were exhibited in a dose-dependent manner, and A549 cells proved to be more sensitive to taxifolin than H1975 cells. Taxifolin inactivated PI3K and TCF4 protein phosphorylation; however, taxifolin was not observed to have an effect on NF-κB P65 or STAT3. Taxifolin also suppressed tumor growth in A549 xenograft BALB/c mice, with decreased SOX2 and OCT4 expression and inhibited PI3K and TCF4. Conclusions In summary, taxifolin inhibited stemness and EMT in lung cancer cells possibly via the inactivation of PI3K and OCT4. Taxifolin could be a potential prodrug or serve as an adjuvant in lung cancer treatment.
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Affiliation(s)
- Ronghua Wang
- Department of Cardiothoracic Surgery, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Xianjun Zhu
- Department of Oncology, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Qing Wang
- Department of Radiology, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Xiaoqing Li
- Department of Rehabilitation, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Enling Wang
- Department of Respiration, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Qianqian Zhao
- Department of Pharmacy Intravenous Admixture Services, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Qianqian Wang
- Department of Pharmacy Intravenous Admixture Services, People's Hospital of Zhangqiu, Jinan 250200, China
| | - Hongmei Cao
- Department of Out-patient, People's Hospital of Zhangqiu, Jinan 250200, China
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Molina N, González A, Monopoli D, Mentado B, Becerra J, Santos-Ruiz L, Vida Y, Perez-Inestrosa E. Dendritic Scaffold onto Titanium Implants. A Versatile Strategy Increasing Biocompatibility. Polymers (Basel) 2020; 12:polym12040770. [PMID: 32244665 PMCID: PMC7240519 DOI: 10.3390/polym12040770] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/20/2020] [Accepted: 03/25/2020] [Indexed: 11/23/2022] Open
Abstract
Osseointegration of metal prosthetic implants is a yet unresolved clinical need that depends on the interplay between the implant surface and bone cells. The lack of a relationship between bone cells and metal has traditionally been solved by coating the former with “organic” ceramics, such as hydroxyapatite. A novel approach is hereby presented, immobilizing covalently dendrimeric structures onto titanium implants. Amide-based amino terminal dendrons were synthetized and coupled to titanium surfaces in a versatile and controlled way. The dendritic moieties provide an excellent scaffold for the covalent immobilization of bioactive molecules, such as extracellular matrix (ECM) protein components or antibiotics. Herein, tripeptide arginine-glycine-aspartic acid (RGD) motifs were used to decorate the dendritic scaffolds and their influence on cell adhesion and proliferation processes was evaluated.
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Affiliation(s)
- Noemi Molina
- Universidad de Málaga - IBIMA, Dpto. Química Orgánica, Campus de Teatinos s/n, 29071 Málaga, Spain;
- Centro Andaluz de Nanomedicina y Biotecnología-BIONAND. Parque Tecnológico de Andalucía, c/ Severo Ochoa, 35, 29590 Campanillas, Málaga, Spain (J.B.)
| | - Ana González
- Centro Andaluz de Nanomedicina y Biotecnología-BIONAND. Parque Tecnológico de Andalucía, c/ Severo Ochoa, 35, 29590 Campanillas, Málaga, Spain (J.B.)
- Universidad de Málaga - IBIMA, Dpto. Biología Celular, Genética y Fisiología, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Málaga, Spain
| | - Donato Monopoli
- Departamento de Ingeniería Biomédica. Instituto Tecnológico de Canarias. c/ Añeta esq. Tigotán, 35118 Agüimes, Las Palmas, Spain; (D.M.); (B.M.)
- Osteobionix s.l. c/ Ramón y Cajal 23, 35001 Las Palmas de Gran Canaria, Spain
| | - Belinda Mentado
- Departamento de Ingeniería Biomédica. Instituto Tecnológico de Canarias. c/ Añeta esq. Tigotán, 35118 Agüimes, Las Palmas, Spain; (D.M.); (B.M.)
- Osteobionix s.l. c/ Ramón y Cajal 23, 35001 Las Palmas de Gran Canaria, Spain
| | - José Becerra
- Centro Andaluz de Nanomedicina y Biotecnología-BIONAND. Parque Tecnológico de Andalucía, c/ Severo Ochoa, 35, 29590 Campanillas, Málaga, Spain (J.B.)
- Universidad de Málaga - IBIMA, Dpto. Biología Celular, Genética y Fisiología, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Málaga, Spain
- Centro de Investigación Biomédica en Red - Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
| | - Leonor Santos-Ruiz
- Centro Andaluz de Nanomedicina y Biotecnología-BIONAND. Parque Tecnológico de Andalucía, c/ Severo Ochoa, 35, 29590 Campanillas, Málaga, Spain (J.B.)
- Universidad de Málaga - IBIMA, Dpto. Biología Celular, Genética y Fisiología, Facultad de Ciencias, Campus de Teatinos s/n, 29071 Málaga, Spain
- Centro de Investigación Biomédica en Red - Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain
- Correspondence: (L.S.-R.); (Y.V.); (E.P.-I.); Tel.: +34-952-137384 (Y.V.)
| | - Yolanda Vida
- Universidad de Málaga - IBIMA, Dpto. Química Orgánica, Campus de Teatinos s/n, 29071 Málaga, Spain;
- Centro Andaluz de Nanomedicina y Biotecnología-BIONAND. Parque Tecnológico de Andalucía, c/ Severo Ochoa, 35, 29590 Campanillas, Málaga, Spain (J.B.)
- Correspondence: (L.S.-R.); (Y.V.); (E.P.-I.); Tel.: +34-952-137384 (Y.V.)
| | - Ezequiel Perez-Inestrosa
- Universidad de Málaga - IBIMA, Dpto. Química Orgánica, Campus de Teatinos s/n, 29071 Málaga, Spain;
- Centro Andaluz de Nanomedicina y Biotecnología-BIONAND. Parque Tecnológico de Andalucía, c/ Severo Ochoa, 35, 29590 Campanillas, Málaga, Spain (J.B.)
- Correspondence: (L.S.-R.); (Y.V.); (E.P.-I.); Tel.: +34-952-137384 (Y.V.)
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Torre E, Iviglia G, Cassinelli C, Morra M, Russo N. Polyphenols from grape pomace induce osteogenic differentiation in mesenchymal stem cells. Int J Mol Med 2020; 45:1721-1734. [PMID: 32236566 PMCID: PMC7169659 DOI: 10.3892/ijmm.2020.4556] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 02/19/2020] [Indexed: 12/13/2022] Open
Abstract
Polyphenols are increasingly investigated for the treatment of periodontitis and research on their use in dental biomaterials is currently being conducted. Grape pomace extracts are a rich source of polyphenols. In the present study, the polyphenols of two different types of grape pomace were characterized and identified by high-performance liquid chromatography-diode array detector, and the effect of polyphenol-rich grape pomace extracts on mesenchymal stem cell (MSC) osteogenic differentiation was investigated. Solid-liquid extraction was used to recover polyphenols from red and white grape pomace. The two extracts have been characterized through the phenolic content and antioxidant power. Human MSCs (hMSCs) from the bone marrow were cultured both with and without given amounts (10 or 20 µg/ml) of the obtained pomace extracts. Their effects on cell differentiation were evaluated by reverse transcription-quantitative polymerase chain reaction, compared with relevant controls. Results showed that both pomace extracts, albeit different in phenolic composition and concentration, induced multiple effects on hMSC gene expression, such as a decreased receptor activator of nuclear factor κ-B ligand/osteoprotegerin ratio and an enhanced expression of genes involved in osteoblast differentiation, thus suggesting a shift of hMSCs towards osteoblast differentiation. The obtained results provided data in favor of the exploitation of polyphenol properties from grape pomace extracts as complementary active molecules for dental materials and devices for bone regeneration in periodontal defects.
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Affiliation(s)
- Elisa Torre
- Nobil Bio Ricerche srl, I‑14037 Portacomaro, Italy
| | | | | | - Marco Morra
- Nobil Bio Ricerche srl, I‑14037 Portacomaro, Italy
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Multifunctional Properties of Quercitrin-Coated Porous Ti-6Al-4V Implants for Orthopaedic Applications Assessed In Vitro. J Clin Med 2020; 9:jcm9030855. [PMID: 32245053 PMCID: PMC7141521 DOI: 10.3390/jcm9030855] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/13/2020] [Accepted: 03/18/2020] [Indexed: 12/11/2022] Open
Abstract
(1) One strategy to improve the outcome of orthopedic implants is to use porous implants with the addition of a coating with an antibacterial biomolecule. In this study, we aimed to produce and test the biocompatibility, the osteopromotive (both under normal conditions and under a bacterial challenge with lipopolysaccharide (LPS)) and antibacterial activities of a porous Ti-6Al-4V implant coated with the flavonoid quercitrin in vitro. (2) Porous Ti-6Al-4V implants were produced by 3D printing and further functionalized with quercitrin by wet chemistry. Implants were characterized in terms of porosity and mechanical testing, and the coating with quercitrin by fluorescence staining. Implant biocompatibility and bioactivity was tested using MC3T3-E1 preosteoblasts by analyzing cytotoxicity, cell adhesion, osteocalcin production, and alkaline phosphatase (ALP) activity under control and under bacterial challenging conditions using lipopolysaccharide (LPS). Finally, the antibacterial properties of the implants were studied using Staphylococcus epidermidis by measuring bacterial viability and adhesion. (3) Porous implants showed pore size of about 500 µm and a porosity of 52%. The coating was homogeneous over all the 3D surface and did not alter the mechanical properties of the Young modulus. Quercitrin-coated implants showed higher biocompatibility, cell adhesion, and osteocalcin production compared with control implants. Moreover, higher ALP activity was observed for the quercitrin group under both normal and bacterial challenging conditions. Finally, S. epidermidis live/dead ratio and adhesion after 4 h of incubation was lower on quercitrin implants compared with the control. (4) Quercitrin-functionalized porous Ti-6Al-4V implants present a great potential as an orthopedic porous implant that decreases bacterial adhesion and viability while promoting bone cell growth and differentiation.
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Llopis-Grimalt MA, Amengual-Tugores AM, Monjo M, Ramis JM. Oriented Cell Alignment Induced by a Nanostructured Titanium Surface Enhances Expression of Cell Differentiation Markers. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1661. [PMID: 31766660 PMCID: PMC6956383 DOI: 10.3390/nano9121661] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/06/2019] [Accepted: 11/18/2019] [Indexed: 02/07/2023]
Abstract
A key factor for dental implant success is a good sealing between the implant surface and both soft (gum) and hard (bone) tissues. Surface nanotopography can modulate cell response through mechanotransduction. The main objective of this research was the development of nanostructured titanium (Ti) surfaces that promote both soft and hard tissue integration with potential application in dental implants. Nanostructured Ti surfaces were developed by electrochemical anodization-nanopores (NPs) and nanonets (NNs)-and characterized by atomic force microscopy, scanning electronic microscopy, and contact angle analysis. In addition, nanoparticle release and apoptosis activation were analyzed on cell culture. NP surfaces showed nanoparticle release, which increased in vitro cell apoptosis. Primary human gingival fibroblasts (hGFs) and human bone marrow mesenchymal stem cells (hBM-MSCs) were used to test cell adhesion, cytotoxicity, metabolic activity, and differentiation markers. Finally, cell orientation on the different surfaces was analyzed using a phalloidin staining. NN surfaces induced an oriented alignment of both cell types, leading in turn to an improved expression of differentiation markers. Our results suggest that NN structuration of Ti surfaces has great potential to be used for dental implant abutments to improve both soft and hard tissue integration.
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Affiliation(s)
- Maria Antonia Llopis-Grimalt
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Ctra Valldemossa km 7.5, 07122 Palma, Spain; (M.A.L.-G.); (A.M.A.-T.)
- Balearic Islands Health Research Institute (IdISBa), 07120 Palma, Spain
| | - Andreu Miquel Amengual-Tugores
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Ctra Valldemossa km 7.5, 07122 Palma, Spain; (M.A.L.-G.); (A.M.A.-T.)
| | - Marta Monjo
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Ctra Valldemossa km 7.5, 07122 Palma, Spain; (M.A.L.-G.); (A.M.A.-T.)
- Balearic Islands Health Research Institute (IdISBa), 07120 Palma, Spain
| | - Joana Maria Ramis
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Ctra Valldemossa km 7.5, 07122 Palma, Spain; (M.A.L.-G.); (A.M.A.-T.)
- Balearic Islands Health Research Institute (IdISBa), 07120 Palma, Spain
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Asensio G, Vázquez-Lasa B, Rojo L. Achievements in the Topographic Design of Commercial Titanium Dental Implants: Towards Anti-Peri-Implantitis Surfaces. J Clin Med 2019; 8:E1982. [PMID: 31739615 PMCID: PMC6912779 DOI: 10.3390/jcm8111982] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/04/2019] [Accepted: 11/11/2019] [Indexed: 12/12/2022] Open
Abstract
Titanium and its alloys constitute the gold standard materials for oral implantology in which their performance is mainly conditioned by their osseointegration capacity in the host's bone. We aim to provide an overview of the advances in surface modification of commercial dental implants analyzing and comparing the osseointegration capacity and the clinical outcome exhibited by different surfaces. Besides, the development of peri-implantitis constitutes one of the most common causes of implant loss due to bacteria colonization. Thus, a synergic response from industry and materials scientists is needed to provide reliable technical and commercial solutions to this issue. The second part of the review focuses on an update of the recent findings toward the development of new materials with osteogenic and antibacterial capacity that are most likely to be marketed, and their correlation with implant geometry, biomechanical behavior, biomaterials features, and clinical outcomes.
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Affiliation(s)
- Gerardo Asensio
- Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas, CSIC, 28006 Madrid, Spain; (G.A.); (B.V.-L.)
| | - Blanca Vázquez-Lasa
- Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas, CSIC, 28006 Madrid, Spain; (G.A.); (B.V.-L.)
- Consorcio Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, 28029 Madrid, Spain
| | - Luis Rojo
- Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas, CSIC, 28006 Madrid, Spain; (G.A.); (B.V.-L.)
- Consorcio Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, 28029 Madrid, Spain
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Li X, Qi M, Sun X, Weir MD, Tay FR, Oates TW, Dong B, Zhou Y, Wang L, Xu HH. Surface treatments on titanium implants via nanostructured ceria for antibacterial and anti-inflammatory capabilities. Acta Biomater 2019; 94:627-643. [PMID: 31212111 DOI: 10.1016/j.actbio.2019.06.023] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/13/2019] [Accepted: 06/14/2019] [Indexed: 01/05/2023]
Abstract
Peri-implantitis is the most common risk factor for dental implant failure. Nanostructured ceria (nano-CeO2) has anti-inflammatory and antibacterial functions, and different shapes of ceria enclosed by specific crystal planes could be an effective approach to enhance intrinsic catalysis. In the present study, the authors developed a novel implant surface-modification strategy by coating different shapes of nano-CeO2 onto titanium (Ti) surfaces to enhance their antibacterial and anti-inflammatory properties. The objectives of the study were to: (1) develop novel Ti surfaces modified with different shapes of nano-CeO2 (nanorod, nanocube and nano-octahedron) for peri-implantitis prevention; (2) investigate and compare the inhibition efficacy of different shapes of CeO2-modified surfaces against biofilms of peri-implantitis-related pathogens; and (3) evaluate the different CeO2-modified surfaces on cell inflammatory response in vitro and in vivo. The results showed that nanorod CeO2-modified Ti had more bacteria attachment of Streptococcus sanguinis in the early stage, compared with other CeO2-modified Ti (p < 0.05). They all exhibited similarly substantial CFU reductions against peri-implantitis-related biofilms (p > 0.1). Nanocube and nano-octahedron CeO2-modified Ti exerted much better anti-inflammatory effects and ROS-scavenging ability than nanorod CeO2in vitro (p < 0.05). In vivo, the mean mRNA expression of TNF-α, IL-6 and IL-1β in the tissues around Ti was decreased by the three shapes of nano-CeO2; nano-octahedron CeO2 showed the strongest anti-inflammatory effect among all groups (p < 0.05). In conclusion, all three types of CeO2-modified Ti exerted equally strong antibacterial properties; nano-octahedron CeO2-modified Ti had the best anti-inflammatory effect. Therefore, CeO2-modified Ti surfaces are highly promising for enhancing antimicrobial functions for dental implants. Novel nano-octahedron CeO2 coating on Ti had great therapeutic potential for alleviating and eliminating peri-implantitis. STATEMENT OF SIGNIFICANCE: Peri-implantitis is the most common risk factor for dental implant failure. Nanostructured ceria (nano-CeO2) has anti-inflammatory and antibacterial functions, and different shapes of ceria enclosed by specific crystal planes could be an effective approach to enhance intrinsic catalysis. In the present study, we developed a novel implant surface-modification strategy by coating different shapes of nano-CeO2 onto titanium surfaces to enhance their antibacterial and anti-inflammatory properties for dental implants. In addition, we found that the nano-octahedron CeO2 coating on titanium would have great therapeutic potential for alleviating and eliminating peri-implantitis.
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Geißler S, Gomez-Florit M, Wiedmer D, Barrantes A, Petersen FC, Tiainen H. In Vitro Performance of Bioinspired Phenolic Nanocoatings for Endosseous Implant Applications. ACS Biomater Sci Eng 2019; 5:3340-3351. [PMID: 33405576 DOI: 10.1021/acsbiomaterials.9b00566] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In the quest for finding new strategies to enhance tissue integration and to reduce the risk of bacterial colonization around endosseous implants, we report the application of auto-oxidative phenolic coatings made of tannic acid and pyrogallol to titanium surfaces. The functionalized surfaces were screened for their biological performance using cultures of primary human osteoblasts and biofilm-forming bioluminescent staphylococci S. epidermidis Xen43 and S. aureus Xen29. No toxic effect of the coatings on osteoblasts was detected. While tannic acid coatings seemed to induce a delay in osteoblast maturation, they revealed anti-inflammatory potential. Similar effects were observed for pyrogallol coatings deposited for 24 h. Thin pyrogallol coatings deposited for 2 h seemed to promote osteoblast maturation and revealed increased calcium deposition. The effects on osteoblast were found to be related to the release of phenolic compounds from the surfaces. While the phenolic coatings could not inhibit staphylococcal biofilm formation on the titanium surfaces, released phenolic compounds had an inhibitory effect the growth of planktonic bacteria. In conclusion, the assessed coating systems represent a versatile functionalization method which exhibit promising effects for endosseous implant applications.
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Yang S, Wang Y, Luo S, Shan C, Geng Y, Zhang T, Sheng S, Zan X. Building polyphenol and gelatin films as implant coating, evaluating from in vitro and in vivo performances. Colloids Surf B Biointerfaces 2019; 181:549-560. [PMID: 31185447 DOI: 10.1016/j.colsurfb.2019.05.058] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 05/09/2019] [Accepted: 05/23/2019] [Indexed: 12/18/2022]
Abstract
Bone related implants have huge potential market in global. Improving the implant outcomes and probability of implant success are highly pursued to relieve the pain of patients and burden on native healthy system. There are growing evidence to support reactive oxygen species (ROS) directly involved in bone diseases and failure of implants. Taking advantage of the antioxidant property of tannic acid (TA) and biocompatibility of gelatin (Gel), the TA/Gel multilayer film was fabricated by layer by layer method, and the growing process of this film was monitored by QCM-D. The physical properties of TA/Gel film were further well characterized and modulated. In cellular test, TA/Gel multilayer film displayed good antioxidant properties under ROS stress environment (after H2O2 treatment flourscence intensity increased 38.9-fold for glasses, only ˜6-fold for (TA/Gel)8), facilitating cell attachment, fastening spreading at early stage and accelerating proliferation in beginning 2 day. Area per cell on (TA/ Gel)4-0.15 M is 1.5-fold higher than that on glass at 2 h, while it became 2.3-fold higher at 4 h. Moreover, these films performed both enhanced osteogenesis in vitro test and bone formation in vivo in the animal bone implanting model. Our results supported discovered the antioxidant coating played the critical role one the success of bone related implants, which could be particularly noted in the future implant design. And the strategy applied here, utilizing the interactions between polyphenol and proteins to construct multilayer film, will pave the way to fabricating an antioxidant coating.
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Affiliation(s)
- Shuoshuo Yang
- School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325035. PR China; Wenzhou Institute of Biomaterials and Engineering, CNITECH, Chinese Academy of Sciences, Wenzhou, Zhejiang Province, 325001, PR China; Engineering Research Center of Clinical Functional Materials and Diagnosis&Treatment Devices of Zhejiang Province, Wenzhou Institute of Biomaterials and Engineering, CAS Wenzhou, Zhejiang Province, 325001, PR China
| | - Yong Wang
- Institute of Materials Research and Engineering, A⁎STAR (Agency for Science, Technology and Research), #08-03, 2 Fusionopolis Way, Innovis, 138634, Singapore
| | - Shan Luo
- School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325035. PR China
| | - Chenjie Shan
- Department of Orthopaedics,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325035, PR China
| | - Yibo Geng
- Department of Orthopaedics,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325035, PR China
| | - Tinghong Zhang
- School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325035. PR China; Wenzhou Institute of Biomaterials and Engineering, CNITECH, Chinese Academy of Sciences, Wenzhou, Zhejiang Province, 325001, PR China; Engineering Research Center of Clinical Functional Materials and Diagnosis&Treatment Devices of Zhejiang Province, Wenzhou Institute of Biomaterials and Engineering, CAS Wenzhou, Zhejiang Province, 325001, PR China
| | - Sunren Sheng
- Department of Orthopaedics,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325035, PR China.
| | - Xingjie Zan
- School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325035. PR China; Wenzhou Institute of Biomaterials and Engineering, CNITECH, Chinese Academy of Sciences, Wenzhou, Zhejiang Province, 325001, PR China; Engineering Research Center of Clinical Functional Materials and Diagnosis&Treatment Devices of Zhejiang Province, Wenzhou Institute of Biomaterials and Engineering, CAS Wenzhou, Zhejiang Province, 325001, PR China.
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Yu H, Guo Z, Wang S, Fernando GSN, Channa S, Kazlauciunas A, Martin DP, Krasnikov SA, Kulak A, Boesch C, Sergeeva NN. Fabrication of Hybrid Materials from Titanium Dioxide and Natural Phenols for Efficient Radical Scavenging against Oxidative Stress. ACS Biomater Sci Eng 2019; 5:2778-2785. [PMID: 33405610 DOI: 10.1021/acsbiomaterials.9b00535] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Oxidative stress caused by free radicals is one of the great threats to inflict intracellular damage. Here, we report a convenient approach to the synthesis, characterization, and evaluation of the radical activity of titanium-based composites. We have investigated the potential of natural antioxidants (curcumin, quercetin, catechin, and vitamin E) as radical scavengers and stabilizers. The titanium oxide composites were prepared via three steps including sol-gel synthesis, carboxylation, and esterification. The characterization of the titanium-phenol composites was carried out by FTIR, PXRD, UV-vis and SEM methods. The radical scavenging ability of the novel materials was evaluated using DPPH and an in vitro LPO assay using isolated rat liver mitochondria. The novel materials exhibit both a higher stability and an antioxidant activity in comparison to bare TiO2. It was found that curcumin and quercetin based composites show the highest antioxidant efficiency among the composites under study followed by catechin and vitamin E based materials. The results from an MTT assay carried out on the Caco-2 cell line indicate that the composites do not contribute to the cytotoxicity in vitro. This study demonstrates that a combination of powerful antioxidants with titanium dioxide can change its functional properties and provide a convenient strategy against oxidative stress.
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Affiliation(s)
- Huayang Yu
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Zhili Guo
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Shuqi Wang
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | | | - Simran Channa
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Algy Kazlauciunas
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - David P Martin
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Sergey A Krasnikov
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Alexander Kulak
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Christine Boesch
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Natalia N Sergeeva
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
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Grafting of Gallic Acid onto a Bioactive Ti6Al4V Alloy: A Physico-Chemical Characterization. COATINGS 2019. [DOI: 10.3390/coatings9050302] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Despite increasing interest in the use of natural biomolecules for different applications, few attempts of coupling them to inorganic biomaterials are reported in literature. Functionalization of metal implants with natural biomolecules could allow a local action, overcoming the issue of low bioavailability through systemic administration. In the present work, gallic acid was grafted to a pre-treated Ti6Al4V in order to improve its biological response in bone contact applications. The grafting procedure was optimized by choosing the concentration of gallic acid (1 mg/mL) and the solvent of the solution, which was used as a source for functionalization, in order to maximize the amount of the grafted molecule on the titanium substrate. The functionalized surfaces were characterized. The results showed that functionalization with Simulated Body Fluid (SBF) as solvent medium was the most effective in terms of the amount and activity of the grafted biomolecule. A key role of calcium ions in the grafting mechanism is suggested, involving the formation of coordination compounds formed by way of gallic acid carboxylate and Ti–O− as oxygenated donor groups. Bioactive behavior and surface charge of the pre-treated Ti6Al4V surface were conserved after functionalization. The functionalized surface exposed a greater amount of OH groups and showed higher wettability.
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Follmann HD, Messias I, Queiroz MN, Araujo RA, Rubira AF, Silva R. Designing hybrid materials with multifunctional interfaces for wound dressing, electrocatalysis, and chemical separation. J Colloid Interface Sci 2019; 533:106-125. [DOI: 10.1016/j.jcis.2018.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 07/31/2018] [Accepted: 08/03/2018] [Indexed: 01/01/2023]
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Nicolin V, De Tommasi N, Nori SL, Costantinides F, Berton F, Di Lenarda R. Modulatory Effects of Plant Polyphenols on Bone Remodeling: A Prospective View From the Bench to Bedside. Front Endocrinol (Lausanne) 2019; 10:494. [PMID: 31396157 PMCID: PMC6663995 DOI: 10.3389/fendo.2019.00494] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/08/2019] [Indexed: 12/13/2022] Open
Abstract
During the past, a more comprehensive knowledge of mechanisms implicated in bone resorption processes has driven researchers to develop a compound library of many small molecules that specifically interfere with the genesis of osteoclast precursors cells. Natural compounds that suppress osteoclast commitment may have therapeutic value in treating pathologies associated with bone resorption like osteoporosis, rheumatoid arthritis, bone metastasis, and periodontal disease. The present review is focused on the current knowledge on the polyphenols derived from plants that could be efficacious in suppressing osteoclast differentiation and bone resorption.
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Affiliation(s)
- Vanessa Nicolin
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
- *Correspondence: Vanessa Nicolin
| | | | | | | | - Federico Berton
- School of Dental Sciences, University of Trieste, Trieste, Italy
| | - Roberto Di Lenarda
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
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Xu LQ, Neoh KG, Kang ET. Natural polyphenols as versatile platforms for material engineering and surface functionalization. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2018.08.005] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Quercitrin Nanocoated Implant Surfaces Reduce Osteoclast Activity In Vitro and In Vivo. Int J Mol Sci 2018; 19:ijms19113319. [PMID: 30366383 PMCID: PMC6274788 DOI: 10.3390/ijms19113319] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/11/2018] [Accepted: 10/23/2018] [Indexed: 02/01/2023] Open
Abstract
In this study, the effect on osteoclast activity in vitro and in vivo of titanium implants that were coated with quercitrin was evaluated. Titanium surfaces were covalently coated with the flavonoid quercitrin. The effect of the surfaces on osteoclastogenesis was first tested in vitro on RAW264.7 cells that were supplemented with receptor activator of nuclear factor kappa-B ligand (RANKL) to generate osteoclast-like cells by tartrate-resistant acid phosphatase (TRAP) inmunostaining after five days of culture, and by analysis of the mRNA expression levels of markers related to bone resorption after seven days of culture. A rabbit tibial model was used to evaluate the in vivo biological response to the implant surfaces after eight weeks of healing, analyzing the lactate dehydrogenase (LDH) and the alkaline phosphatase (ALP) activities in the wound fluid that were present at the implant interface and the peri-implant bone mRNA expression levels of several markers related to inflammation, bone resorption and osteoblast-osteoclast interaction. No differences between groups and control surfaces were found in the wound fluid analyses. Moreover, quercitrin implant surfaces significantly decreased the expression of osteoclast related genes in vitro (Trap, CalcR, Ctsk, H⁺ATPase, Mmp9) and in vivo (Ctsk, H⁺ATPase, Mmp9) as well as the expression of RankL in vivo. Moreover, quercitrin surfaces were not cytotoxic for the cells. Thus, quercitrin implant surfaces were biocompatible and decreased osteoclastogenesis in vitro and in vivo. This could be used to improve the performance of dental implants.
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Kim JH, Kang HM, Yu SB, Song JM, Kim CH, Kim BJ, Park BS, Shin SH, Kim IR. Cytoprotective effect of flavonoid-induced autophagy on bisphosphonate mediated cell death in osteoblast. J Cell Biochem 2018; 119:5571-5580. [PMID: 29380898 PMCID: PMC6001630 DOI: 10.1002/jcb.26728] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 01/24/2018] [Indexed: 11/26/2022]
Abstract
With rapid economic growth and further developments in medical science, the entry into the aging population is currently increasing, as is the number of patients with metabolic diseases, such as hypertension, hyperlipidemia, heart disease, and diabetes. The current treatments for metabolic bone diseases, which are also on the rise, cause negative side effects. Bisphosphonates, which are used to treat osteoporosis, inhibit the bone resorption ability of osteoclasts and during prolonged administration, cause bisphosphonate‐related osteonecrosis of the jaw (BRONJ). Numerous studies have shown the potential role of natural plant products as flavonoids in the protection against osteoporosis and in the influence of bone remodeling. Autophagy occurs after the degradation of cytoplasmic components within the lysosome and serves as an essential cytoprotective response to pathologic stress caused by certain diseases. In the present study, we hypothesized that the cytoprotective effects of flavonoids might be related to those associated with autophagy, an essential cytoprotective response to the pathologic stress caused by certain diseases, in osteoblasts. We demonstrated the cytoprotective effect of flavonoid‐induced autophagy against the toxicity of zoledronate and the induction of autophagy by flavonoids to support osteogenic transcription factors, leading to osteoblast differentiation and bone formation. Further studies are necessary to clarify the connections between autophagy and osteogenesis. It would be helpful to shed light on methodological challenges through molecular biological studies and new animal models. The findings of the current study may help to delineate the potential role of flavonoids in the treatment of metabolic bone disease.
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Affiliation(s)
- Jung-Han Kim
- Department of Oral and Maxillofacial Surgery, Pusan National University Dental Hospital, Yangsan-si, Gyeongsangnam-do, South Korea.,Department of Oral and Maxillofacial Surgery, Medical center, Dong-A University, Seo-gu, Busan, South Korea
| | - Hae-Mi Kang
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea.,BK21 PLUS Project, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea
| | - Su-Bin Yu
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea.,BK21 PLUS Project, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea
| | - Jae-Min Song
- Department of Oral and Maxillofacial Surgery, Pusan National University Dental Hospital, Yangsan-si, Gyeongsangnam-do, South Korea
| | - Chul-Hoon Kim
- Department of Oral and Maxillofacial Surgery, Medical center, Dong-A University, Seo-gu, Busan, South Korea
| | - Bok-Joo Kim
- Department of Oral and Maxillofacial Surgery, Medical center, Dong-A University, Seo-gu, Busan, South Korea
| | - Bong-Soo Park
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea.,BK21 PLUS Project, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea
| | - Sang-Hun Shin
- Department of Oral and Maxillofacial Surgery, Pusan National University Dental Hospital, Yangsan-si, Gyeongsangnam-do, South Korea
| | - In-Ryoung Kim
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, Yangsan-si, Gyeongsangnam-do, South Korea
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Li J, Wen J, Li B, Li W, Qiao W, Shen J, Jin W, Jiang X, Yeung KWK, Chu PK. Valence State Manipulation of Cerium Oxide Nanoparticles on a Titanium Surface for Modulating Cell Fate and Bone Formation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700678. [PMID: 29610729 PMCID: PMC5827567 DOI: 10.1002/advs.201700678] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 10/19/2017] [Indexed: 05/19/2023]
Abstract
Understanding cell-biomaterial interactions is critical for the control of cell fate for tissue engineering and regenerative medicine. Here, cerium oxide nanoparticles (CeONPs) are applied at different Ce4+/Ce3+ ratios (i.e., 0.46, 1.23, and 3.23) to titanium substrate surfaces by magnetron sputtering and vacuum annealing. Evaluation of the cytotoxicity of the modified surface to cultured rat bone marrow mesenchymal stem cells (BMSCs) reveals that the cytocompatibility and cell proliferation are proportional to the increases in Ce4+/Ce3+ ratio on titanium surface. The bone formation capability induced by these surface modified titanium alloys is evaluated by implanting various CeONP samples into the intramedullary cavity of rat femur for 8 weeks. New bone formation adjacent to the implant shows a close relationship to the surface Ce4+/Ce3+ ratio; higher Ce4+/Ce3+ ratio achieves better osseointegration. The mechanism of this in vivo outcome is explored by culturing rat BMSCs and RAW264.7 murine macrophages on CeONP samples for different durations. The improvement in osteogenic differentiation capability of BMSCs is directly proportional to the increased Ce4+/Ce3+ ratio on the titanium surface. Increases in the Ce4+/Ce3+ ratio also elevate the polarization of the M2 phenotype of RAW264.7 murine macrophages, particularly with respect to the healing-associated M2 percentage and anti-inflammatory cytokine secretion. The manipulation of valence states of CeONPs appears to provide an effective modulation of the osteogenic capability of stem cells and the M2 polarization of macrophages, resulting in favorable outcomes of new bone formation and osseointegration.
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Affiliation(s)
- Jinhua Li
- Department of Orthopaedics and TraumatologyLi Ka Shing Faculty of MedicineThe University of Hong KongPokfulamHong Kong999077China
- Department of PhysicsDepartment of Materials Science and EngineeringCity University of Hong KongTat Chee AvenueKowloonHong Kong999077China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic TraumaDepartment of Orthopaedics and TraumatologyThe University of Hong Kong‐Shenzhen HospitalShenzhen518053China
| | - Jin Wen
- Department of ProsthodonticsNinth People's Hospital affiliated to Shanghai Jiao Tong UniversitySchool of MedicineShanghai200011China
| | - Bin Li
- Department of OrthopedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou450052China
| | - Wan Li
- Department of PhysicsDepartment of Materials Science and EngineeringCity University of Hong KongTat Chee AvenueKowloonHong Kong999077China
| | - Wei Qiao
- Dental Materials ScienceApplied Oral SciencesFaculty of DentistryThe University of Hong KongHong Kong999077China
| | - Jie Shen
- Department of Orthopaedics and TraumatologyLi Ka Shing Faculty of MedicineThe University of Hong KongPokfulamHong Kong999077China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic TraumaDepartment of Orthopaedics and TraumatologyThe University of Hong Kong‐Shenzhen HospitalShenzhen518053China
| | - Weihong Jin
- Department of PhysicsDepartment of Materials Science and EngineeringCity University of Hong KongTat Chee AvenueKowloonHong Kong999077China
| | - Xinquan Jiang
- Department of ProsthodonticsNinth People's Hospital affiliated to Shanghai Jiao Tong UniversitySchool of MedicineShanghai200011China
| | - Kelvin W. K. Yeung
- Department of Orthopaedics and TraumatologyLi Ka Shing Faculty of MedicineThe University of Hong KongPokfulamHong Kong999077China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic TraumaDepartment of Orthopaedics and TraumatologyThe University of Hong Kong‐Shenzhen HospitalShenzhen518053China
| | - Paul K. Chu
- Department of PhysicsDepartment of Materials Science and EngineeringCity University of Hong KongTat Chee AvenueKowloonHong Kong999077China
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Kim CJ, Shin SH, Kim BJ, Kim CH, Kim JH, Kang HM, Park BS, Kim IR. The Effects of Kaempferol-Inhibited Autophagy on Osteoclast Formation. Int J Mol Sci 2018; 19:ijms19010125. [PMID: 29301320 PMCID: PMC5796074 DOI: 10.3390/ijms19010125] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 12/29/2017] [Accepted: 12/31/2017] [Indexed: 12/24/2022] Open
Abstract
Kaempferol, a flavonoid compound, is derived from the rhizome of Kaempferia galanga L., which is used in traditional medicine in Asia. Autophagy has pleiotropic functions that are involved in cell growth, survival, nutrient supply under starvation, defense against pathogens, and antigen presentation. There are many studies dealing with the inhibitory effects of natural flavonoids in bone resorption. However, no studies have explained the relationship between the autophagic and inhibitory processes of osteoclastogenesis by natural flavonoids. The present study was undertaken to investigate the inhibitory effects of osteoclastogenesis through the autophagy inhibition process stimulated by kaempferol in murin macrophage (RAW 264.7) cells. The cytotoxic effect of Kaempferol was investigated by MTT assay. The osteoclast differentiation and autophagic process were confirmed via tartrate-resistant acid phosphatase (TRAP) staining, pit formation assay, western blot, and real-time PCR. Kaempferol controlled the expression of autophagy-related factors and in particular, it strongly inhibited the expression of p62/SQSTM1. In the western blot and real time-PCR analysis, when autophagy was suppressed with the application of 3-Methyladenine (3-MA) only, osteoclast and apoptosis related factors were not significantly affected. However, we found that after cells were treated with kaempferol, these factors inhibited autophagy and activated apoptosis. Therefore, we presume that kaempferol-inhibited autophagy activated apoptosis by degradation of p62/SQSTM1. Further study of the p62/SQSTM1 gene as a target in the autophagy mechanism, may help to delineate the potential role of kaempferol in the treatment of bone metabolism disorders.
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Affiliation(s)
- Chang-Ju Kim
- Department of Oral and Maxillofacial Surgery, Pusan National University Dental Hospital, 20, Geumo-ro, Mulgeum-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
| | - Sang-Hun Shin
- Department of Oral and Maxillofacial Surgery, Pusan National University Dental Hospital, 20, Geumo-ro, Mulgeum-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
| | - Bok-Joo Kim
- Department of Oral and Maxillofacial Surgery, Medical center, Dong-A University, 26, Daesingongwon-ro, Seo-gu, Busan 49201, Korea.
| | - Chul-Hoon Kim
- Department of Oral and Maxillofacial Surgery, Medical center, Dong-A University, 26, Daesingongwon-ro, Seo-gu, Busan 49201, Korea.
| | - Jung-Han Kim
- Department of Oral and Maxillofacial Surgery, Medical center, Dong-A University, 26, Daesingongwon-ro, Seo-gu, Busan 49201, Korea.
| | - Hae-Mi Kang
- BK21 PLUS Project, School of Dentistry, Pusan National University, Busandaehak-ro, 49, Mulguem-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, 49, Mulguem-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
| | - Bong-Soo Park
- BK21 PLUS Project, School of Dentistry, Pusan National University, Busandaehak-ro, 49, Mulguem-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, 49, Mulguem-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
| | - In-Ryoung Kim
- Department of Oral Anatomy, School of Dentistry, Pusan National University, Busandaehak-ro, 49, Mulguem-eup, Yangsan-si 50612, Gyeongsangnam-do, Korea.
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Kim IR, Kim SE, Baek HS, Kim BJ, Kim CH, Chung IK, Park BS, Shin SH. The role of kaempferol-induced autophagy on differentiation and mineralization of osteoblastic MC3T3-E1 cells. Altern Ther Health Med 2016; 16:333. [PMID: 27581091 PMCID: PMC5007678 DOI: 10.1186/s12906-016-1320-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 08/25/2016] [Indexed: 12/19/2022]
Abstract
Background Kaempferol, a kind of flavonol, has been reported to possess various osteogenic biological activities, such as inhibiting bone resorption of osteoclasts and promoting the differentiation and mineralization of preosteoblasts. However, the precise cellular mechanism of action of kaempferol in osteogenesis is elusive. Autophagy is a major intracellular degradation system, which plays an important role in cell growth, survival, differentiation and homeostasis in mammals. Recent studies showed that autophagy appeared to be involved in the degradation of osteoclasts, osteoblasts and osteocytes, potentially pointing to a new pathogenic mechanism of bone homeostasis and bone marrow disease. The potential correlation between autophagy, osteogenesis and flavonoids is unclear. Methods The present study verified that kaempferol promoted osteogenic differentiation and mineralization and that it elevated osteogenic gene expression based on alkaline phosphatase (ALP) activity, alizarin red staining and quantitative PCR. And then we found that kaempferol induced autophagy by acridine orange (AO) and monodansylcadaverine (MDC) staining and autophagy-related protein expression. The correlation between kaempferol-induced autophagy and the osteogenic process was confirmed by the autophagy inhibitor 3-methyladenine (3-MA). Results Kaempferol promoted the proliferation, differentiation and mineralization of osteoblasts at a concentration of 10 μM. Kaempferol showed cytotoxic properties at concentrations above 50 μM. Concentrations above 10 μM decreased ALP activity, whereas those up to 10 μM increased ALP activity. Kaempferol at concentrations up to 10 μM also increased the expression of the osteoblast- activated factors RUNX-2, osterix, BMP-2 and collagen I according to RT-PCR analyses. 10 μM or less, the higher of the concentration and over time, kaempferol promoted the activity of osteoblasts. Kaempferol induced autophagy. It also increased the expression of the autophagy-related factors beclin-1, SQSTM1/p62 and the conversion of LC3-II from LC3-I. The application of 3-MA decreased the activity of ALP and the autophagy induced by kaempferol. In the RT-PCR analysis, the expression of RUNX-2, osterix, BMP-2 and collagen I was decreased. Conclusion The present study showed that kaempferol stimulated the osteogenic differentiation of cultured osteoblasts by inducing autophagy.
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Geißler S, Barrantes A, Tengvall P, Messersmith PB, Tiainen H. Deposition Kinetics of Bioinspired Phenolic Coatings on Titanium Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:8050-60. [PMID: 27452793 PMCID: PMC5664158 DOI: 10.1021/acs.langmuir.6b01959] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Polyphenols can form functional coatings on a variety of different materials through auto-oxidative surface polymerization in a manner similar to polydopamine coatings. However, the mechanisms behind the coating deposition are poorly understood. We report the coating deposition kinetics of the polyphenol tannic acid (TA) and the simple phenolic compound pyrogallol (PG) on titanium surfaces. The coating deposition was followed in real time over a period of 24 h using a quartz crystal microbalance with dissipation monitoring (QCM-D). TA coatings revealed a multiphasic layer formation: the deposition of an initial rigid layer was followed by the buildup of an increasingly dissipative layer, before mass adsorption stopped after approximately 5 h of coating time. The PG deposition was biphasic, starting with the adsorption of a nonrigid viscoelastic layer which was followed by layer stiffening upon further mass adsorption. Coating evaluation by ellipsometry and AFM confirmed the deposition kinetics determined by QCM-D and revealed maximum coating thicknesses of approximately 50 and 75 nm for TA and PG, respectively. Chemical characterization of the coatings and polymerized polyphenol particles indicated the involvement of both physical and chemical interactions in the auto-oxidation reactions.
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Affiliation(s)
- Sebastian Geißler
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, P.O. Box 1109 Blindern, 0317 Oslo, Norway
| | - Alejandro Barrantes
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, P.O. Box 1109 Blindern, 0317 Oslo, Norway
| | - Pentti Tengvall
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, P.O. Box 412, 40530 Gothenburg, Sweden
| | - Phillip B. Messersmith
- Department of Biomedical Engineering, Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois 60208, United States
- Department of Bioengineering, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Hanna Tiainen
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, P.O. Box 1109 Blindern, 0317 Oslo, Norway
- Corresponding Author: (H.T.)
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Quercitrin-nanocoated titanium surfaces favour gingival cells against oral bacteria. Sci Rep 2016; 6:22444. [PMID: 26925553 PMCID: PMC4772538 DOI: 10.1038/srep22444] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 02/15/2016] [Indexed: 11/17/2022] Open
Abstract
Many dental implants fail due to the infection and inflammation that walk hand in hand with poor healing and soft tissue integration. Titanium surfaces were nanocoated with quercitrin, a natural flavonoid, with the aim to improve soft tissue integration and increase dental implants success. Streptococcus mutans attachment and biofilm formation was analysed. Then, the anti-inflammatory properties and the potential of quercitrin-nanocoated surfaces to boost soft tissue regeneration were tested using human gingival fibroblasts. An inflammatory situation was mimicked using interleulin-1-beta. We found that quercitrin-nanocoated surfaces decreased initial bacterial adhesion while increasing human gingival fibroblasts attachment. Furthermore, quercitrin-nanocoated Ti increased collagen mRNA levels and decreased matrix metalloproteinase-1/tissue inhibitor of metalloproteinanse-1 mRNA ratio, which is related to a reduced metalloproteinase-mediated collagen degradation, while also decreasing the pro-inflammatory prostaglandin E2 release under basal and inflammatory conditions. These results suggest that quercitrin-nanocoated surfaces could enhance the soft tissue integration and increase dental implants success.
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Gómez-Florit M, Monjo M, Ramis JM. Quercitrin for periodontal regeneration: effects on human gingival fibroblasts and mesenchymal stem cells. Sci Rep 2015; 5:16593. [PMID: 26558438 PMCID: PMC4642307 DOI: 10.1038/srep16593] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 10/16/2015] [Indexed: 01/09/2023] Open
Abstract
Periodontal disease (PD) is the result of an infection and chronic inflammation of the gingiva that may lead to its destruction and, in severe cases, alveolar bone and tooth loss. The ultimate goal of periodontal treatment is to achieve periodontal soft and hard tissues regeneration. We previously selected quercitrin, a catechol-containing flavonoid, as a potential agent for periodontal applications. In this study, we tested the ability of quercitrin to alter biomarker production involved in periodontal regeneration on primary human gingival fibroblasts (hGF) and primary human mesenchymal stem cells (hMSC) cultured under basal and inflammatory conditions. To mimic PD inflammatory status, interleukin-1 beta (IL-1β) was used. The expression of different genes related to inflammation and extracellular matrix were evaluated and prostaglandin E2 (PGE2) production was quantified in hGFs; alkaline phosphatase (ALP) activity and calcium content were analysed in hMSCs. Quercitrin decreased the release of the inflammatory mediator PGE2 and partially re-established the impaired collagen metabolism induced by IL-1β treatment in hGFs. Quercitrin also increased ALP activity and mineralization in hMSCs, thus, it increased hMSCs differentiation towards the osteoblastic lineage. These findings suggest quercitrin as a novel bioactive molecule with application to enhance both soft and hard tissue regeneration of the periodontium.
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Affiliation(s)
- Manuel Gómez-Florit
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS). University of Balearic Islands, Palma de Mallorca, Spain.,Instituto de Investigación Sanitaria de Palma, 07010 Palma, España
| | - Marta Monjo
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS). University of Balearic Islands, Palma de Mallorca, Spain.,Instituto de Investigación Sanitaria de Palma, 07010 Palma, España
| | - Joana M Ramis
- Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS). University of Balearic Islands, Palma de Mallorca, Spain.,Instituto de Investigación Sanitaria de Palma, 07010 Palma, España
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Córdoba A, Monjo M, Hierro-Oliva M, González-Martín ML, Ramis JM. Bioinspired Quercitrin Nanocoatings: A Fluorescence-Based Method for Their Surface Quantification, and Their Effect on Stem Cell Adhesion and Differentiation to the Osteoblastic Lineage. ACS APPLIED MATERIALS & INTERFACES 2015; 7:16857-16864. [PMID: 26167954 DOI: 10.1021/acsami.5b05044] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Polyphenol-based coatings have several potential applications in medical devices, such as cardiovascular stents, contrast agents, drug delivery systems, or bone implants, due to the multiple bioactive functionalities of these compounds. In a previous study, we fabricated titanium surfaces functionalized with flavonoids through covalent chemistry, and observed their osteogenic, anti-inflammatory, and antifibrotic properties in vitro. In this work, we report a fluorescence-based method for the quantification of the amount of flavonoid grafted onto the surfaces, using 2-aminoethyl diphenylborinate, a boronic ester that spontaneously forms a fluorescent complex with flavonoids. The method is sensitive, simple, rapid, and easy to perform with routine equipment, and could be applied to determine the surface coverage of other plant-derived polyphenol-based coatings. Besides, we evaluated an approach based on reductive amination to covalently graft the flavonoid quercitrin to Ti substrates, and optimized the grafting conditions. Depending on the reaction conditions, the amount of quercitrin grafted was between 64 ± 10 and 842 ± 361 nmol on 6.2 mm Ti coins. Finally, we evaluated the in vitro behavior of bone-marrow-derived human mesenchymal stem cells cultured on the quercitrin nanocoated Ti surfaces. The surfaces functionalized with quercitrin showed a faster stem cell adhesion than control surfaces, probably due to the presence of the catechol groups of quercitrin on the surfaces. A rapid cell adhesion is crucial for the successful performance of an implant. Furthermore, quercitrin-nanocoated surfaces enhanced the mineralization of the cells after 21 days of cell culture. These results indicate that quercitrin nanocoatings could promote the rapid osteointegration of bone implants.
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Affiliation(s)
- Alba Córdoba
- †Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain
- ‡Instituto de Investigación Sanitaria de Palma, 07010 Palma de Mallorca, Spain
| | - Marta Monjo
- †Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain
- ‡Instituto de Investigación Sanitaria de Palma, 07010 Palma de Mallorca, Spain
| | - Margarita Hierro-Oliva
- §Departamento de Física Aplicada, Facultad de Ciencias, Universidad de Extremadura, 06071 Badajoz, Spain
- ∥Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 50018 Zaragoza, Spain
| | - María Luisa González-Martín
- §Departamento de Física Aplicada, Facultad de Ciencias, Universidad de Extremadura, 06071 Badajoz, Spain
- ∥Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 50018 Zaragoza, Spain
| | - Joana Maria Ramis
- †Group of Cell Therapy and Tissue Engineering, Research Institute on Health Sciences (IUNICS), University of Balearic Islands, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain
- ‡Instituto de Investigación Sanitaria de Palma, 07010 Palma de Mallorca, Spain
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