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Kai R, Hatakeyama M, Iwamoto S, Kitaoka T. Primary human mesenchymal stem cell culture under xeno-free conditions using surface-modified cellulose nanofiber scaffolds. Carbohydr Polym 2024; 343:122479. [PMID: 39174138 DOI: 10.1016/j.carbpol.2024.122479] [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: 03/30/2024] [Revised: 06/27/2024] [Accepted: 07/09/2024] [Indexed: 08/24/2024]
Abstract
Stem cell culture often requires various animal-derived components such as serum and collagen. This limits its practical use. Therefore, xeno-free (xenogeneic component-free) culture systems are receiving increased attention. Herein, we propose xeno-free, plant-derived cellulose nanofibers (CNFs) with different surface chemistry: 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized CNFs (TOCNFs) with carboxy groups and surface-sulfated CNFs (S-CNFs) for the proliferation of human mesenchymal stem cells (hMSCs) under various serum conditions. We cultured bone marrow-derived hMSCs on CNF scaffolds with various fiber lengths and functional group contents. Original CNFs were bioinert materials that did not contribute to cell adhesion. In contrast, the surface-modified CNFs facilitated the proliferation of immortalized hMSCs under normal and low-serum conditions. The TOCNFs (COONa: 1.47 mmol g-1; length: 0.53 μm), the S-CNFs (OSO3Na: 0.64 mmol g-1; 0.61 μm), and a combination of the two (1:1 by weight) enabled immortalized hMSCs to maintain their multipotency, even under serum-free conditions. Primary cultured hMSCs proliferated well on the TOCNF/S-CNF scaffolds in a completely serum-free medium, comparable to animal-derived type I collagen, although few hMSCs adhered to the standard polystyrene substrate. Our strategy of using surface-modified CNFs will inform the development of xeno-free culture systems to avoid the use of animal-derived materials for both cell culture media and scaffolds.
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Affiliation(s)
- Ritomo Kai
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Mayumi Hatakeyama
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | | | - Takuya Kitaoka
- Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan.
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2
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Wang L, Zeng H, Li H, Dai J, You S, Jiang H, Wei Q, Dong Z, Liu S, Ren J, Zhu Y, Yang X, He F, Hu L. Recombinant humanized type I collagen remodels decidual immune microenvironment at maternal-fetal interface by modulating Th17/Treg imbalance. Int J Biol Macromol 2024; 276:133994. [PMID: 39032906 DOI: 10.1016/j.ijbiomac.2024.133994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/23/2024]
Abstract
Disruption of the extracellular matrix and dysregulation of the balance between Th17 and regulatory T cells are recognized as risk factors for recurrent spontaneous abortion (RSA). However, the interaction between matrix components and the Th17/Treg axis remains poorly elucidated. The result of this study revealed that the absence of type I collagen in the decidua is linked to Th17/Treg imbalance in RSA. Furthermore, we discovered that biomaterial recombinant humanized type I collagen (rhCOLI) promoted T cell differentiation into Tregs by inhibition the Notch1/Hes1 signaling pathway and enhanced the immunosuppressive function of Tregs, as indicated by increased secretion level of IL-10 and TGF-β. Importantly, this study is the first to demonstrate that rhCOLI can modulate the Th17/Treg imbalance, reduce embryo resorption rates, reshape the immune microenvironment at the maternal-fetal interface, and improve fertility in an RSA mouse model. Collectively, these findings suggest that type I collagen deficiency may contribute to, rather than result from, RSA, and propose a potential intervention for RSA using rhCOLI.
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Affiliation(s)
- Li Wang
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Hui Zeng
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Hu Li
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Jingcong Dai
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Shuang You
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Huanhuan Jiang
- Yangzhou Maternal and Child Care Service Centre, Yangzhou 225000, Jiangsu, China
| | - Quan Wei
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Zhiyong Dong
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Shuaibin Liu
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Ju Ren
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Yun Zhu
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Xia Yang
- Shanxi Key Laboratory of Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd., Taiyuan 030032, Shanxi, China
| | - Fan He
- The Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China; Joint International Research Lab for Reproduction and Development, Ministry of Education, Chongqing 400010, China; Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing 400010, China.
| | - Lina Hu
- The Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China; Joint International Research Lab for Reproduction and Development, Ministry of Education, Chongqing 400010, China; Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing 400010, China.
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Mi CH, Qi XY, Zhou YW, Ding YW, Wei DX, Wang Y. Advances in medical polyesters for vascular tissue engineering. DISCOVER NANO 2024; 19:125. [PMID: 39115796 PMCID: PMC11310390 DOI: 10.1186/s11671-024-04073-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 07/25/2024] [Indexed: 08/11/2024]
Abstract
Blood vessels are highly dynamic and complex structures with a variety of physiological functions, including the transport of oxygen, nutrients, and metabolic wastes. Their normal functioning involves the close and coordinated cooperation of a variety of cells. However, adverse internal and external environmental factors can lead to vascular damage and the induction of various vascular diseases, including atherosclerosis and thrombosis. This can have serious consequences for patients, and there is an urgent need for innovative techniques to repair damaged blood vessels. Polyesters have been extensively researched and used in the treatment of vascular disease and repair of blood vessels due to their excellent mechanical properties, adjustable biodegradation time, and excellent biocompatibility. Given the high complexity of vascular tissues, it is still challenging to optimize the utilization of polyesters for repairing damaged blood vessels. Nevertheless, they have considerable potential for vascular tissue engineering in a range of applications. This summary reviews the physicochemical properties of polyhydroxyalkanoate (PHA), polycaprolactone (PCL), poly-lactic acid (PLA), and poly(lactide-co-glycolide) (PLGA), focusing on their unique applications in vascular tissue engineering. Polyesters can be prepared not only as 3D scaffolds to repair damage as an alternative to vascular grafts, but also in various forms such as microspheres, fibrous membranes, and nanoparticles to deliver drugs or bioactive ingredients to damaged vessels. Finally, it is anticipated that further developments in polyesters will occur in the near future, with the potential to facilitate the wider application of these materials in vascular tissue engineering.
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Affiliation(s)
- Chen-Hui Mi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Xin-Ya Qi
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Yan-Wen Zhou
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Yan-Wen Ding
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China
| | - Dai-Xu Wei
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Department of Life Sciences and Medicine, Northwest University, Xi'an, 710069, China.
- School of Clinical Medicine, Chengdu University, Chengdu, China.
- Shaanxi Key Laboratory for Carbon-Neutral Technology, Xi'an, 710069, China.
| | - Yong Wang
- Department of Interventional Radiology and Vascular Surgery, Second Affiliated Hospital of Hainan Medical University, Haikou, China.
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Zhang W, Wang H, Pang J, Huang Y, Li H, Tang S. Self-crosslinking hyaluronic acid-based hydrogel with promoting vascularization and ROS scavenging for wound healing. Int J Biol Macromol 2024; 278:134570. [PMID: 39122080 DOI: 10.1016/j.ijbiomac.2024.134570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 06/21/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Skin wound dressings are commonly utilized for the treatment of skin injuries, as they effectively facilitate wound healing and possess anti-inflammatory and antibacterial properties. However, conventional dressings fail to inhibit ROS production and promote vascularization, leading to delayed wound healing. Here, we developed injectable self-crosslinking hydrogels through thiolated hyaluronic acid (HASH/rhCOLIII) with enhancing the ROS inhibitory capacity while preserving the cell adhesion ability of hyaluronic acid. Additionally, recombinant humanized collagen type III (rhCOLIII) is incorporated via electrostatic adsorption to further enhance mechanical strength and angiogenesis properties of the hydrogel. The HASH/rhCOLIII demonstrated excellent biocompatibility, remarkable ROS scavenging ability, as well as hemostatic and angiogenic properties. Cell experiment results show that HASH/rhCOLIII has excellent biocompatibility and can significantly promote angiogenesis. Animal experiments results showed that HASH/rhCOLIII exhibits anti-inflammatory effects, significantly accelerating wound healing in a full-thickness skin defect model. These findings highlight that HASH/rhCOLIII hydrogel holds great promise as an advanced dressing for effective wound healing.
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Affiliation(s)
- Wenning Zhang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Han Wang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Jie Pang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Yadong Huang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China
| | - Hang Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China.
| | - Shunqing Tang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China.
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Song X, Chu T, Shi W, He J. Expression, characterization, and application of human-like recombinant gelatin. BIORESOUR BIOPROCESS 2024; 11:69. [PMID: 39014092 PMCID: PMC11252100 DOI: 10.1186/s40643-024-00785-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 07/04/2024] [Indexed: 07/18/2024] Open
Abstract
Gelatin is a product obtained through partial hydrolysis and thermal denaturation of collagen, belonging to natural biopeptides. With irreplaceable biological functions in the field of biomedical science and tissue engineering, it has been widely applied. The amino acid sequence of recombinant human-like gelatin was constructed through a newly designed hexamer composed of six protein monomer sequences in series, with the minimum repeating unit being the characteristic Gly-X-Y sequence found in type III human collagen α1 chain. The nucleotide sequence was subsequently inserted into the genome of Pichia pastoris to enable soluble secretion expression of recombinant gelatin. At the shake flask fermentation level, the yield of recombinant gelatin is up to 0.057 g/L, and its purity can rise up to 95% through affinity purification. It was confirmed in the molecular weight determination and amino acid analysis that the amino acid composition of the obtained recombinant gelatin is identical to that of the theoretically designed. Furthermore, scanning electron microscopy revealed that the freeze-dried recombinant gelatin hydrogel exhibited a porous structure. After culturing cells continuously within these gelatin microspheres for two days followed by fluorescence staining and observation through confocal laser scanning microscopy, it was observed that cells clustered together within the gelatin matrix, exhibiting three-dimensional growth characteristics while maintaining good viability. This research presents promising prospects for developing recombinant gelatin as a biomedical material.
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Affiliation(s)
- Xiaoping Song
- Department of Pharmacy, Anhui Medical College, Hefei, Anhui, 230061, China.
| | - Tao Chu
- Department of Pharmacy, Anhui Medical College, Hefei, Anhui, 230061, China
| | - Wanru Shi
- Department of Pharmacy, Anhui Medical College, Hefei, Anhui, 230061, China
| | - Jingyan He
- Department of Pharmacy, Anhui Medical College, Hefei, Anhui, 230061, China
- Anhui Engineering Research Center of Recombinant Protein Pharmaceutical Biotechnology, Hefei, Anhui, 230022, China
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Yan L, Zhang Y, Zhang Y, Chen Q, Zhang L, Han X, Yang Y, Zhang C, Liu Y, Yu R. Preparation and characterization of a novel humanized collagen III with repeated fragments of Gly300-Asp329. Protein Expr Purif 2024; 219:106473. [PMID: 38508543 DOI: 10.1016/j.pep.2024.106473] [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: 02/02/2024] [Revised: 03/12/2024] [Accepted: 03/16/2024] [Indexed: 03/22/2024]
Abstract
Recombinant human collagens have attracted intensive interest in the past two decades, demonstrating considerable potential in medicine, tissue engineering, and cosmetics. Several humanized recombinant collagens have been produced, exhibiting similar characteristics as the native species. To get insight into the structural and bioactive properties of different parts of collagen, in this study, the segment of Gly300-Asp329 of type III collagen was first adopted and repeated 18 times to prepare a novel recombinant collagen (named rhCLA). RhCLA was successfully expressed in E. coli, and a convenient separation procedure was established through reasonably combining alkaline precipitation and acid precipitation, yielding crude rhCLA with a purity exceeding 90%. Additionally, a polishing purification step utilizing cation exchange chromatography was developed, achieving rhCLA purity surpassing 98% and an overall recovery of approximately 120 mg/L culture. Simultaneously, the contents of endotoxin, nucleic acids, and host proteins were reduced to extremely low levels. This fragmented type III collagen displayed a triple-helical structure and gel-forming capability at low temperatures. Distinct fibrous morphology was also observed through TEM analysis. In cell experiments, rhCLA exhibited excellent biocompatibility and cell adhesion properties. These results provide valuable insights for functional studies of type III collagen and a reference approach for the large-scale production of recombinant collagens.
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Affiliation(s)
- Lingying Yan
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuxiang Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Qiexin Chen
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Luyao Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xiao Han
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yumo Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chun Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China.
| | - Yongdong Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Rong Yu
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
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Li Y, Vrana NE, Letellier B, Lavalle P, Guilbaud-Chéreau C. The use of supramolecular systems in biomedical applications for antimicrobial properties, biocompatibility, and drug delivery. Biomed Mater 2024; 19:042005. [PMID: 38729193 DOI: 10.1088/1748-605x/ad49f4] [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: 11/24/2023] [Accepted: 05/10/2024] [Indexed: 05/12/2024]
Abstract
Supramolecular chemistry is versatile for developing stimuli-responsive, dynamic and multifunctional structures. In the context of biomedical engineering applications, supramolecular assemblies are particularly useful as coatings for they can closely mimic the natural structure and organisation of the extracellular matrix (ECM), they can also fabricate other complex systems like drug delivery systems and bioinks. In the current context of growing medical device-associated complications and the developments in the controlled drug delivery and regenerative medicine fields, supramolecular assemblies are becoming an indispensable part of the biomedical engineering arsenal. This review covers the different supramolecular assemblies in different biomedical applications with a specific focus on antimicrobial coatings, coatings that enhance biocompatibility, surface modifications on implantable medical devices, systems that promote therapeutic efficiency in cancer therapy, and the development of bioinks. The introduced supramolecular systems include multilayer coating by polyelectrolytes, polymers incorporated with nanoparticles, coating simulation of ECM, and drug delivery systems. A perspective on the application of supramolecular systems is also included.
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Affiliation(s)
- Yijie Li
- Inserm UMR_S 1121, CNRS EMR 7003, Université de Strasbourg, Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg F-67000, France
- SPARTHA Medical, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, France
| | - Nihal Engin Vrana
- SPARTHA Medical, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, France
| | - Baptiste Letellier
- SPARTHA Medical, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, France
| | - Philippe Lavalle
- Inserm UMR_S 1121, CNRS EMR 7003, Université de Strasbourg, Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg F-67000, France
- SPARTHA Medical, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, France
| | - Chloé Guilbaud-Chéreau
- SPARTHA Medical, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, France
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Wang L, Xue B, Zhang X, Gao Y, Xu P, Dong B, Zhang L, Zhang L, Li L, Liu W. Extracellular Matrix-Mimetic Intrinsic Versatile Coating Derived from Marine Adhesive Protein Promotes Diabetic Wound Healing through Regulating the Microenvironment. ACS NANO 2024; 18:14726-14741. [PMID: 38778025 DOI: 10.1021/acsnano.4c03626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
The management of diabetic wound healing remains a severe clinical challenge due to the complicated wound microenvironments, including abnormal immune regulation, excessive reactive oxygen species (ROS), and repeated bacterial infections. Herein, we report an extracellular matrix (ECM)-mimetic coating derived from scallop byssal protein (Sbp9Δ), which can be assembled in situ within 30 min under the trigger of Ca2+ driven by strong coordination interaction. The biocompatible Sbp9Δ coating and genetically programmable LL37-fused coating exhibit outstanding antioxidant, antibacterial, and immune regulatory properties in vitro. Proof-of-concept applications demonstrate that the coating can reliably promote wound healing in animal models, including diabetic mice and rabbits, ex vivo human skins, and Staphylococcus aureus-infected diabetic mice. In-depth mechanism investigation indicates that improved wound microenvironments accelerated wound repair, including alleviated bacterial infection, lessened inflammation, appearance of abundant M2-type macrophages, removal of ROS, promoted angiogenesis, and re-epithelialization. Collectively, our investigation provides an in situ, convenient, and effective approach for diabetic wound repair.
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Affiliation(s)
- Lulu Wang
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Bo Xue
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Xin Zhang
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Yahui Gao
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Pingping Xu
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Bo Dong
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
| | - Lujia Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics & New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
- NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China
| | - Lei Zhang
- Qingdao Endocrine & Diabetes Hospital, Qingdao 266000, China
| | - Lin Li
- Qingdao Haici Medical Group, Qingdao 266033, China
| | - Weizhi Liu
- Fang Zongxi Center, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
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Shuai X, Kang N, Li Y, Bai M, Zhou X, Zhang Y, Lin W, Li H, Liu C, Lin H, Yuan Q. Recombination humanized type III collagen promotes oral ulcer healing. Oral Dis 2024; 30:1286-1295. [PMID: 36794945 DOI: 10.1111/odi.14540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 12/17/2022] [Accepted: 02/14/2023] [Indexed: 02/17/2023]
Abstract
OBJECTIVE Recombinant humanized type III collagen (rhCol III) is a highly adhesive biomaterial composed of 16 adhesion-related tandem repeats refined from human type III collagen. Here, we aimed to investigate the effect of rhCol III on oral ulcers and reveal the underlying mechanism. METHODS Acid-induced oral ulcers were induced on the murine tongue, and rhCol III or saline drops were administered. The effect of rhCol III on oral ulcers was assessed using gross and histological analyses. The effects on the proliferation, migration, and adhesion of human oral keratinocytes were investigated in vitro. The underlying mechanism was explored using RNA sequencing. RESULTS Administration of rhCol III accelerated the lesion closure of oral ulcers, reduced the release of inflammatory factors, and alleviated pain. rhCol III promoted the proliferation, migration, and adhesion of human oral keratinocytes in vitro. Mechanistically, the enrichment of genes associated with the Notch signaling pathway was upregulated after rhCol III treatment. CONCLUSION rhCol III promoted the healing of oral ulcers, showing promising therapeutic potential in oral clinics.
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Affiliation(s)
- Xinxing Shuai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ning Kang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Yuhan Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mingxuan Bai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xinyi Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yanjun Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Weimin Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hanwen Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Caojie Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hai Lin
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Quan Yuan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Mayer K, Ruhoff A, Chan NJ, Waterhouse A, O'Connor AJ, Scheibel T, Heath DE. REDV-Functionalized Recombinant Spider Silk for Next-Generation Coronary Artery Stent Coatings: Hemocompatible, Drug-Eluting, and Endothelial Cell-Specific Materials. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38470984 DOI: 10.1021/acsami.3c17861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Coronary artery stents are life-saving devices, and millions of these devices are implanted annually to treat coronary heart disease. The current gold standard in treatment is drug-eluting stents, which are coated with a biodegradable polymer layer that elutes antiproliferative drugs to prevent restenosis due to neointimal hyperplasia. Stenting is commonly paired with systemic antiplatelet therapy to prevent stent thrombosis. Despite their clinical success, current stents have significant limitations including inducing local inflammation that drives hyperplasia; a lack of hemocompatibility that promotes thrombosis, increasing need for antiplatelet therapy; and limited endothelialization, which is a critical step in the healing process. In this research, we designed a novel material for use as a next-generation coating for drug-eluting stents that addresses the limitations described above. Specifically, we developed a recombinant spider silk material that is functionalized with an REDV cell-adhesive ligand, a peptide motif that promotes specific adhesion of endothelial cells in the cardiovascular environment. We illustrated that this REDV-modified spider silk variant [eADF4(C16)-REDV] is an endothelial-cell-specific material that can promote the formation of a near-confluent endothelium. We additionally performed hemocompatibility assays using human whole blood and demonstrated that spider silk materials exhibit excellent hemocompatibility under both static and flow conditions. Furthermore, we showed that the material displayed slow enzyme-mediated degradation. Finally, we illustrated the ability to load and release the clinically relevant drug everolimus from recombinant spider silk coatings in a quantity and at a rate similar to that of commercial devices. These results support the use of REDV-functionalized recombinant spider silk as a coating for drug-eluting stents.
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Affiliation(s)
- Kai Mayer
- Department of Biomedical Engineering, Graeme Clark Institute, University of Melbourne, Melbourne, VIC 3010, Australia
- Chair for Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof. Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany
| | - Alexander Ruhoff
- Heart Research Institute, The University of Sydney, Newtown, NSW 2042, Australia
| | - Nicholas J Chan
- Department of Biomedical Engineering, Graeme Clark Institute, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Anna Waterhouse
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Andrea J O'Connor
- Department of Biomedical Engineering, Graeme Clark Institute, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Thomas Scheibel
- Chair for Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof. Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany
- Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayreuther Materialzentrum (BayMat), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayrisches Polymerinstitut (BPI), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
| | - Daniel E Heath
- Department of Biomedical Engineering, Graeme Clark Institute, University of Melbourne, Melbourne, VIC 3010, Australia
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11
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Li L, Zhang C, Cao Z, Ma L, Liu C, Lan X, Qu C, Fu P, Luo R, Wang Y. Passivation protein-adhesion platform promoting stent reendothelialization using two-electron-assisted oxidation of polyphenols. Biomaterials 2024; 305:122423. [PMID: 38142470 DOI: 10.1016/j.biomaterials.2023.122423] [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: 07/14/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/26/2023]
Abstract
Superhydrophilic surfaces play an important role in nature. Inspired by this, scientists have designed various superhydrophilic materials that are widely used in the field of biomaterials, such as PEG molecular brushes and zwitterionic materials. However, superhydrophilic coatings with only anti-fouling properties do not satisfy the requirements for rapid reendothelialization of cardiovascular stent surfaces. Herein, a novel polyphenol superhydrophilic surface with passivated protein-adsorption properties was developed using two-electron oxidation of dopamine and polyphenols. This coating has a multiscale effects: 1) macroscopically: anti-fouling properties of superhydrophilic; 2) microscopically: protein adhesion properties of active groups (quinone-, amino-, hydroxyphenyl groups and aromatic ring). Polyphenols not only enhance the ability of coating to passivate protein-adsorption, but also make the coating have polyphenol-related biological functions. Therefore, the polyphenol and passivated protein-adsorption platform together maintain the stability of the scaffold microenvironment. This, in turn, provides favorable conditions for the growth of endothelial cells on the scaffold surface. In vivo implantation of the coated stents into the abdominal aorta resulted in uniform and dense endothelial cells covering the surface of the neointima. Moreover, new endothelial cells secreted large amounts of functional endothelial nitric oxide synthase like healthy endothelial cells. These results indicate that the polyphenol superhydrophilic coating potentially resists intra-stent restenosis and promotes surface reendothelialization. Hence, polyphenol superhydrophilic coatings with passivated protein-adsorption properties constructed by two-electron-assisted oxidation are a highly effective and versatile surface-modification strategy for implantable cardiovascular devices.
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Affiliation(s)
- Linhua Li
- Kidney Research Laboratory, Department of Nephrology, West China Hospital of Sichuan University, Chengdu 610041, China; National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China
| | - Chunle Zhang
- Kidney Research Laboratory, Department of Nephrology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Zhengjiang Cao
- Kidney Research Laboratory, Department of Nephrology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Liang Ma
- Kidney Research Laboratory, Department of Nephrology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Chang Liu
- Kidney Research Laboratory, Department of Nephrology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Xiaorong Lan
- Luzhou Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Chao Qu
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Ping Fu
- Kidney Research Laboratory, Department of Nephrology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China.
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12
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Cao L, Zhang Z, Yuan D, Yu M, Min J. Tissue engineering applications of recombinant human collagen: a review of recent progress. Front Bioeng Biotechnol 2024; 12:1358246. [PMID: 38419725 PMCID: PMC10900516 DOI: 10.3389/fbioe.2024.1358246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/31/2024] [Indexed: 03/02/2024] Open
Abstract
With the rapid development of synthetic biology, recombinant human collagen has emerged as a cutting-edge biological material globally. Its innovative applications in the fields of material science and medicine have opened new horizons in biomedical research. Recombinant human collagen stands out as a highly promising biomaterial, playing a pivotal role in crucial areas such as wound healing, stroma regeneration, and orthopedics. However, realizing its full potential by efficiently delivering it for optimal therapeutic outcomes remains a formidable challenge. This review provides a comprehensive overview of the applications of recombinant human collagen in biomedical systems, focusing on resolving this crucial issue. Additionally, it encompasses the exploration of 3D printing technologies incorporating recombinant collagen to address some urgent clinical challenges in regenerative repair in the future. The primary aim of this review also is to spotlight the advancements in the realm of biomaterials utilizing recombinant collagen, with the intention of fostering additional innovation and making significant contributions to the enhancement of regenerative biomaterials, therapeutic methodologies, and overall patient outcomes.
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Affiliation(s)
- Lili Cao
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Zhongfeng Zhang
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Dan Yuan
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Meiping Yu
- Department of Plastic Surgery, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China
| | - Jie Min
- General Surgery Department, Jiaxing No.1 Hospital, Jiaxing, Zhejiang, China
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Wang H, Xiao Y, Zhang Y, Meng Z, Zhao C, Qiu F, Li C, Feng Z. Study on the Effect of Type III Recombinant Humanized Collagen on Human Vascular Endothelial Cells. Tissue Eng Part C Methods 2024; 30:53-62. [PMID: 38019085 DOI: 10.1089/ten.tec.2023.0211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023] Open
Abstract
The effect and mechanism of type III recombinant humanized collagen (hCOLIII) on human vascular endothelial EA.hy926 cells at the cellular and molecular levels were investigated. The impact of hCOLIII on the proliferation of EA.hy926 cells was detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazoliumbromid assay, the effect of hCOLIII on cell migration was investigated by scratch assay, the impact of hCOLIII on cell cycle and apoptosis was detected by flow cytometry, the ability of hCOLIII to induce angiogenesis of EA.hy926 cells was evaluated by angiogenesis assay, and the effect of hCOLIII on vascular endothelial growth factor (VEGF) expression was detected by real-time reverse transcription-polymerase chain reaction analysis. The hCOLIII at concentrations of 0.5, 0.25, and 0.125 mg/mL all showed specific effects on the proliferation and migration of human vascular endothelial cells. It could also affect the cell cycle, increase the proliferation index, and increase the expression level of VEGF in human vascular endothelial cells. In the meantime, hCOLIII at the concentration of 0.5 mg/mL also showed a promoting effect on vessel formation. hCOLIII can potentially promote the endothelization process of blood vessels, mainly by affecting the proliferation, migration, and vascular-like structure of human endothelial cells. At the same time, hCOLIII can promote the expression of VEGF. This collagen demonstrated its potential as a raw material for cardiovascular implants.
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Affiliation(s)
- Han Wang
- Department of Medical Devices, National Institute for Food and Drug Control, Beijing, China
| | - Yonghao Xiao
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Yuanguo Zhang
- Department of Thyroid-Breast-Vascular Surgery, Shanxian Central Hospital, Heze, Shandong, China
| | - Zhu Meng
- Department of Medical Devices, National Institute for Food and Drug Control, Beijing, China
| | - Chenyu Zhao
- Department of Medical Devices, National Institute for Food and Drug Control, Beijing, China
| | - Fanshan Qiu
- Department of Medical Devices, National Institute for Food and Drug Control, Beijing, China
| | - Chongchong Li
- Department of Medical Devices, National Institute for Food and Drug Control, Beijing, China
| | - Zengguo Feng
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
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14
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Wu H, Chen N, Zheng T, Li L, Hu M, Qin Y, Guo G, Yang L, Wang Y. A strategy for mechanically integrating robust hydrogel-tissue hybrid to promote the anti-calcification and endothelialization of bioprosthetic heart valve. Regen Biomater 2024; 11:rbae003. [PMID: 38414796 PMCID: PMC10898858 DOI: 10.1093/rb/rbae003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 01/09/2024] [Indexed: 02/29/2024] Open
Abstract
Bioprosthetic heart valve (BHV) replacement has been the predominant treatment for severe heart valve diseases over decades. Most clinically available BHVs are crosslinked by glutaraldehyde (GLUT), while the high toxicity of residual GLUT could initiate calcification, severe thrombosis, and delayed endothelialization. Here, we construed a mechanically integrating robust hydrogel-tissue hybrid to improve the performance of BHVs. In particular, recombinant humanized collagen type III (rhCOLIII), which was precisely customized with anti-coagulant and pro-endothelialization bioactivity, was first incorporated into the polyvinyl alcohol (PVA)-based hydrogel via hydrogen bond interactions. Then, tannic acid was introduced to enhance the mechanical performance of PVA-based hydrogel and interfacial bonding between the hydrogel layer and bio-derived tissue due to the strong affinity for a wide range of substrates. In vitro and in vivo experimental results confirmed that the GLUT-crosslinked BHVs modified by the robust PVA-based hydrogel embedded rhCOLIII and TA possessed long-term anti-coagulant, accelerated endothelialization, mild inflammatory response and anti-calcification properties. Therefore, our mechanically integrating robust hydrogel-tissue hybrid strategy showed the potential to enhance the service function and prolong the service life of the BHVs after implantation.
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Affiliation(s)
- Haoshuang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Nuoya Chen
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Tiantian Zheng
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Li Li
- Institute of Clinical Pathology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Mengyue Hu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Yumei Qin
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Gaoyang Guo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China
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15
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Li X, Mao X, Cong J, Zhang Q, Chen W, Yan K, Huang Y, Su D, Xiang Q. Recombinantly expressed rhFEB remodeled the skin defect of db/db mice. Appl Microbiol Biotechnol 2024; 108:183. [PMID: 38285241 PMCID: PMC10824822 DOI: 10.1007/s00253-024-13021-9] [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: 08/03/2023] [Revised: 01/04/2024] [Accepted: 01/18/2024] [Indexed: 01/30/2024]
Abstract
Fibronectin (FN) and collagen are vital components of the extracellular matrix (ECM). These proteins are essential for tissue formation and cell alignment during the wound healing stage. In particular, FN interacts with collagens to activate various intracellular signaling pathways to maintain ECM stability. A novel recombinant extra domain-B fibronectin (EDB-FN)-COL3A1 fusion protein (rhFEB) was designed to mimic the ECM to promote chronic and refractory skin ulcer wound healing. rhFEB significantly enhanced cell adhesion and migration, vascular ring formation, and the production of new collagen I (COL1A1) in vitro. rhFEB decreased M1 macrophages and further modulated the wound microenvironment, which was confirmed by the treatment of db/db mice with rhFEB. Accelerated wound healing was shown during the initial stages in rhFEB-treated db/db mice, as was enhanced follicle regeneration, re-epithelialization, collagen deposition, granulation, inflammation, and angiogenesis. The wound chronicity of diabetic foot ulcers (DFUs) remains the main challenge in current and future treatment. rhFEB may be a candidate molecule for regulating M1 macrophages during DFU healing. KEY POINTS: • A recombinant protein EDB-FN-collagen III (rhFEB) was highly expressed in Escherichia coli • rhFEB protein induces COL1A1 secretion in human skin fibroblasts • rhFEB protein accelerates diabetic wound healing.
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Affiliation(s)
- Xiaomin Li
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China
| | - Xinliang Mao
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China
| | - Jianhang Cong
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, China
| | - Qirong Zhang
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China
| | - Wenjie Chen
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China
| | - Kunjun Yan
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China
| | - Yadong Huang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, China
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China
| | - Dun Su
- Perfect Life and Health Institute Co., Ltd, Zhongshan, China.
| | - Qi Xiang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, China.
- Biopharmaceutical R&D Center, Jinan University, Guangzhou, China.
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16
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Wu H, Yang L, Luo R, Li L, Zheng T, Huang K, Qin Y, Yang X, Zhang X, Wang Y. A drug-free cardiovascular stent functionalized with tailored collagen supports in-situ healing of vascular tissues. Nat Commun 2024; 15:735. [PMID: 38272886 PMCID: PMC10810808 DOI: 10.1038/s41467-024-44902-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 01/10/2024] [Indexed: 01/27/2024] Open
Abstract
Drug-eluting stent implantation suppresses the excessive proliferation of smooth muscle cells to reduce in-stent restenosis. However, the efficacy of drug-eluting stents remains limited due to delayed reendothelialization, impaired intimal remodeling, and potentially increased late restenosis. Here, we show that a drug-free coating formulation functionalized with tailored recombinant humanized type III collagen exerts one-produces-multi effects in response to injured tissue following stent implantation. We demonstrate that the one-produces-multi coating possesses anticoagulation, anti-inflammatory, and intimal hyperplasia suppression properties. We perform transcriptome analysis to indicate that the drug-free coating favors the endothelialization process and induces the conversion of smooth muscle cells to a contractile phenotype. We find that compared to drug-eluting stents, our drug-free stent reduces in-stent restenosis in rabbit and porcine models and improves vascular neointimal healing in a rabbit model. Collectively, the one-produces-multi drug-free system represents a promising strategy for the next-generation of stents.
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Affiliation(s)
- Haoshuang Wu
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Li Yang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Li Li
- Institute of Clinical Pathology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Tiantian Zheng
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Kaiyang Huang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Yumei Qin
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Xia Yang
- Shanxi Key Laboratory of Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd., Taiyuan, 030032, Shanxi, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu, 610065, China.
- Tianfu Jincheng Laboratory (Frontier Medical Center), Chengdu, 610213, China.
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17
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Shuai Q, Liang Y, Xu X, Halbiyat Z, Wang X, Cheng J, Liu J, Huang T, Peng Z, Wang L, He S, Zhao H, Liu Z, Xu J, Xie J. Sodium alginate hydrogel integrated with type III collagen and mesenchymal stem cell to promote endometrium regeneration and fertility restoration. Int J Biol Macromol 2023; 253:127314. [PMID: 37827397 DOI: 10.1016/j.ijbiomac.2023.127314] [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: 07/25/2023] [Revised: 09/15/2023] [Accepted: 10/06/2023] [Indexed: 10/14/2023]
Abstract
A thinner endometrium has been linked to implantation failure, and various therapeutic strategies have been attempted to improve endometrial regeneration, including the use of mesenchymal stem cells (MSCs). However, low survival and retention rates of transplanted stem cells are main obstacles to efficient stem cell therapy in thin endometrium. Collagen type III is a key component of the extracellular matrix, plays a crucial role in promoting cell proliferation and differentiation, and has been identified as the major collagen expressed at the implantation site. Herein, composite alginate hydrogel containing recombinant type III collagen (rCo III) and umbilical cord mesenchymal stem cells are developed. rCo III serves as favorable bioactive molecule, displaying that rCo III administration promotes MSCs proliferation, stemness maintenance and migration. Moreover, rCo III administration enhances cell viability and migration of mouse endometrial stromal cells (ESCs). In a mouse model of thin endometrium, the Alg-rCo III hydrogel loaded with MSCs (MSC/Alg-rCo III) significantly induces endometrial regeneration and fertility enhancement in vivo. Further studies demonstrate that the MSC/Alg-rCo III hydrogel promoted endometrial function recovery partly by regulating mesenchymal-epithelial transition of ESCs. Taken together, the combination of Alg-rCo III hydrogel and MSCs has shown promising results in promoting endometrium regeneration and fertility restoration, and may provide new therapeutic options for endometrial disease.
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Affiliation(s)
- Qizhi Shuai
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Yuxiang Liang
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China; Shanxi Key Laboratory of Human Disease and Animal Models, Experimental Animal Center of Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Xinrui Xu
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China; Laboratory of Ethnopharmacology, Tissue-Orientated Property of Chinese Medicine Key Laboratory of Sichuan Province, West China School of Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zulala Halbiyat
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Xiaowan Wang
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Jingwen Cheng
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Jialing Liu
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Tingjuan Huang
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Zhiwei Peng
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Lei Wang
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Sheng He
- Department of Radiology, The First Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, China
| | - Hong Zhao
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Zhizhen Liu
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China
| | - Jun Xu
- Department of Hepatopancreatobiliary Surgery, The First Hospital of Shanxi Medical University, Taiyuan, 030001, Shanxi, China.
| | - Jun Xie
- Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Key Laboratory of Coal Environmental Pathogenicity and Prevention (Ministry of Education), Shanxi Medical University, Taiyuan 030001, Shanxi, China.
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18
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Liu J, Du C, Huang W, Lei Y. Injectable smart stimuli-responsive hydrogels: pioneering advancements in biomedical applications. Biomater Sci 2023; 12:8-56. [PMID: 37969066 DOI: 10.1039/d3bm01352a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Hydrogels have established their significance as prominent biomaterials within the realm of biomedical research. However, injectable hydrogels have garnered greater attention compared with their conventional counterparts due to their excellent minimally invasive nature and adaptive behavior post-injection. With the rapid advancement of emerging chemistry and deepened understanding of biological processes, contemporary injectable hydrogels have been endowed with an "intelligent" capacity to respond to various endogenous/exogenous stimuli (such as temperature, pH, light and magnetic field). This innovation has spearheaded revolutionary transformations across fields such as tissue engineering repair, controlled drug delivery, disease-responsive therapies, and beyond. In this review, we comprehensively expound upon the raw materials (including natural and synthetic materials) and injectable principles of these advanced hydrogels, concurrently providing a detailed discussion of the prevalent strategies for conferring stimulus responsiveness. Finally, we elucidate the latest applications of these injectable "smart" stimuli-responsive hydrogels in the biomedical domain, offering insights into their prospects.
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Affiliation(s)
- Jiacheng Liu
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Chengcheng Du
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Wei Huang
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Yiting Lei
- Department of Orthopedics, Orthopedic Laboratory of Chongqing Medical University, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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19
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Raikar AS, Priya S, Bhilegaonkar SP, Somnache SN, Kalaskar DM. Surface Engineering of Bioactive Coatings for Improved Stent Hemocompatibility: A Comprehensive Review. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6940. [PMID: 37959540 PMCID: PMC10650382 DOI: 10.3390/ma16216940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023]
Abstract
Cardiovascular diseases continue to be a major contributor to illness and death on a global scale, and the implementation of stents has given rise to a revolutionary transformation in the field of interventional cardiology. The thrombotic and restenosis complications associated with stent implantation pose ongoing challenges. In recent years, bioactive coatings have emerged as a promising strategy to enhance stent hemocompatibility and reduce thrombogenicity. This review article provides an overview of the surface engineering techniques employed to improve the hemocompatibility of stents and reduce thrombus formation. It explores the mechanisms underlying thrombosis and discusses the factors influencing platelet activation and fibrin formation on stent surfaces. Various bioactive coatings, including anticoagulant agents, antiplatelet agents, and surface modifications, are discussed in detail, highlighting their potential in reducing thrombogenicity. This article also highlights a multitude of surface modification techniques which can be harnessed to enhance stent hemocompatibility including plasma treatment, physical vapor deposition (PVD), chemical vapor deposition (CVD), and electrodeposition. These techniques offer precise control over surface properties such as roughness, charge, and composition. The ultimate goal is to reduce platelet adhesion, tailor wettability, or facilitate the controlled release of bioactive agents. Evaluation methods for assessing hemocompatibility and thrombogenicity are also reviewed, ranging from in vitro assays to animal models. Recent advances in the field, such as nanotechnology-based coatings and bioactive coatings with controlled drug release systems, are highlighted. Surface engineering of bioactive coatings holds great promise for enhancing the long-term outcomes of stent implantation by enhancing hemocompatibility and reducing thrombogenicity. Future research directions and potential clinical applications are discussed, underscoring the need for continued advancements in this field.
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Affiliation(s)
- Amisha S. Raikar
- Department of Pharmaceutics, PES Rajaram and Tarabai Bandekar College of Pharmacy, Ponda 403401, India;
| | - Sushma Priya
- University College of London, Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, Rowland Hill Street, London NW3 2PF, UK;
- Department of Biomedical Engineering, Regenerative Medicine and Stem Cell (RMS) Labs, Indian Institute of Technology, Hyderabad 502285, India
| | - Shilpa P. Bhilegaonkar
- Department of Pharmaceutics, PES Rajaram and Tarabai Bandekar College of Pharmacy, Ponda 403401, India;
| | - Sandesh N. Somnache
- Department of Pharmaceutics, SSPM’s VP College of Pharmacy, Madkhol 416510, India;
| | - Deepak M. Kalaskar
- University College of London, Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, Rowland Hill Street, London NW3 2PF, UK;
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20
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Bai M, Kang N, Xu Y, Wang J, Shuai X, Liu C, Jiang Y, Du Y, Gong P, Lin H, Zhang X. The influence of tag sequence on recombinant humanized collagen (rhCol) and the evaluation of rhCol on Schwann cell behaviors. Regen Biomater 2023; 10:rbad089. [PMID: 38020236 PMCID: PMC10676520 DOI: 10.1093/rb/rbad089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 12/01/2023] Open
Abstract
Recombinant humanized collagen (rhCol) was an extracellular matrix (ECM)-inspired biomimetic biomaterial prepared by biosynthesis technology, which was considered non-allergenic and could possibly activate tissue regeneration. The influence of tag sequence on both structures and performances of rhCol type III (rhCol III) was investigated, and the effect of rhCol III on cell behaviors was evaluated and discussed using Schwann cells (SCs) as in vitro model that was critical in the repair process after peripheral nerve injury. The results demonstrated that the introduction of tag sequence would influence both advanced structures and properties of rhCol III, while rhCol III regulated SCs adhesion, spreading, migration and proliferation. Also, both nerve growth factor and brain-derived neurotrophic factor increased when exposed to rhCol III. As the downstream proteins of integrin-mediated cell adhesions, phosphorylation of focal adhesion kinase and expression of vinculin was up-regulated along with the promotion of SCs adhesion and migration. The current findings contributed to a better knowledge of the interactions between rhCol III and SCs, and further offered a theoretical and experimental foundation for the development of rhCol III-based medical devices and clinical management of peripheral nerve injury.
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Affiliation(s)
- Mingxuan Bai
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Ning Kang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan 610065, P.R. China
| | - Yang Xu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan 610065, P.R. China
| | - Jing Wang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan 610065, P.R. China
| | - Xinxing Shuai
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Caojie Liu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yixuan Jiang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yu Du
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Ping Gong
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Hai Lin
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan 610065, P.R. China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan 610065, P.R. China
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21
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Wu H, Huang K, Hu M, Chen N, Qin Y, Wang J, Luo R, Yang L, Wang Y. Postfunctionalization of biological valve leaflets with a polyphenol network and anticoagulant recombinant humanized type III collagen for improved anticoagulation and endothelialization. J Mater Chem B 2023; 11:9260-9275. [PMID: 37724634 DOI: 10.1039/d3tb01145c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Almost all commercial bioprosthetic heart valves (BHVs) are crosslinked with glutaraldehyde (GLUT); however, issues such as immune responses, calcification, delayed endothelialization, and especially severe thrombosis threaten the service lifespan of BHVs. Surface modification is expected to impart GLUT-crosslinked BHVs with versatility to optimize service performance. Here, a postfunctionalization strategy was established for GLUT-crosslinked BHVs, which were firstly modified with metal-phenolic networks (MPNs) to shield the exposed calcification site, and then anticoagulant recombinant humanized type III collagen (rhCOLIII) was immobilized to endow them with long-term antithrombogenicity and enhanced endothelialization properties. The postfunctionalization coating exhibited promising mechanical properties and resistance to enzymatic degradation capability resembling that of GLUT-crosslinked porcine pericardium (GLUT-PP). With the introduction of meticulously tailored rhCOLIII, the anti-coagulation and re-endothelialization properties of TA/Fe-rhCOLIII were significantly improved. Furthermore, the mild inflammatory response and reduced calcification were evidenced in TA/Fe-rhCOLIII by subcutaneous implantation. In conclusion, the efficacy of the proposed strategy combining anti-inflammatory MPNs and multifunctional rhCOLIII to improve anticoagulation, reduce the inflammatory response, and ultimately achieve rapid reendothelialization was supported by both ex vivo and in vivo experiments. Altogether, the current findings may provide a simple strategy for enhancing the service function of BHVs after implantation and show great potential in clinical applications.
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Affiliation(s)
- Haoshuang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Kaiyang Huang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Mengyue Hu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Nuoya Chen
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Yumei Qin
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Jian Wang
- Shanxi Jinbo Bio-Pharmaceutical Co., Ltd, Taiyuan 030001, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610065, China.
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22
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Wang H. The Potential of Collagen Treatment for Comorbid Diseases. Polymers (Basel) 2023; 15:3999. [PMID: 37836047 PMCID: PMC10574914 DOI: 10.3390/polym15193999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/27/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
Collagen, the most abundant protein in our bodies, plays a crucial role in maintaining the structural integrity of various tissues and organs. Beyond its involvement in skin elasticity and joint health, emerging research suggests that collagen may significantly impact the treatment of complex diseases, particularly those associated with tissue damage and inflammation. The versatile functions of collagen, including skin regeneration, improving joint health, and increasing bone strength, make it potentially useful in treating different diseases. To the best of my knowledge, the strategy of using collagen to treat comorbid diseases has not been widely studied. This paper aims to explore the potential of collagen in treating comorbid diseases, including rheumatoid arthritis, osteoarthritis, osteoporosis, psoriatic arthritis, sarcopenia, gastroesophageal reflux, periodontitis, skin aging, and diabetes mellitus. Collagen-based therapies have shown promise in managing comorbidities due to their versatile properties. The multifaceted nature of collagen positions it as a promising candidate for treating complex diseases and addressing comorbid conditions. Its roles in wound healing, musculoskeletal disorders, cardiovascular health, and gastrointestinal conditions highlight the diverse therapeutic applications of collagen in the context of comorbidity management.
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Affiliation(s)
- Hsiuying Wang
- Institute of Statistics, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
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23
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Gopal K, Nandakumar N, C R R, Babu R, Nair SV, Sathy BN, Menon D. Human Adipose-Derived Mesenchymal Stem Cell-Secreted Extracellular Matrix Coating on a Woven Nanotextile Vascular Patch for Improved Endothelial Cell Response. ACS APPLIED BIO MATERIALS 2023; 6:3143-3152. [PMID: 37452776 DOI: 10.1021/acsabm.3c00156] [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: 07/18/2023]
Abstract
Biomedical implants possessing the structural and functional characteristics of extracellular matrix (ECM) are pivotal for vascular applications. This study investigated the potential of recreating a natural ECM-like structural and functional environment on the surface of biodegradable polymeric nanotextiles for vascular implants. Human adipose-derived mesenchymal stem cells (MSCs) were grown on a suitably engineered polycaprolactone (PCL) nanofibrous textile and were allowed to modify its surface through the deposition of MSC-specific ECM. This surface-modified nanotextile showed mechanical characteristics and functionality appropriate for vascular patch material. The uniformity of ECM coating significantly improved the viability, proliferation, and migration of human endothelial cells compared to bare and xenogeneic collagen-coated PCL nanotextile patches. Thus, a polymeric nanotextile, which is surface modified using MSC-driven ECM, provided a rapid and improved endothelialization, thereby suggesting its potential for vascular patch applications.
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Affiliation(s)
- Kavitha Gopal
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
| | - Niji Nandakumar
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
| | - Reshmi C R
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
| | - Rosebin Babu
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
| | - Shantikumar V Nair
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
| | - Binulal N Sathy
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
| | - Deepthy Menon
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Viswa Vidyapeetham, Kochi, Kerala 682041, India
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24
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Chen N, Li M, Wu H, Qin Y, Wang J, Xu K, Luo R, Yang L, Wang Y, Zhang X. An extracellular matrix-mimetic coating with dual bionics for cardiovascular stents. Regen Biomater 2023; 10:rbad055. [PMID: 37359731 PMCID: PMC10287914 DOI: 10.1093/rb/rbad055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/28/2023] Open
Abstract
Anti-inflammation and anti-coagulation are the primary requirements for cardiovascular stents and also the widely accepted trajectory for multi-functional modification. In this work, we proposed an extracellular matrix (ECM)-mimetic coating for cardiovascular stents with the amplified functionalization of recombinant humanized collagen type III (rhCOL III), where the biomimetics were driven by structure mimicry and component/function mimicry. Briefly, the structure-mimic was constructed by the formation of a nanofiber (NF) structure via the polymerization of polysiloxane with a further introduction of amine groups as the nanofibrous layer. The fiber network could function as a three-dimensional reservoir to support the amplified immobilization of rhCoL III. The rhCOL III was tailored for anti-coagulant, anti-inflammatory and endothelialization promotion properties, which endows the ECM-mimetic coating with desired surface functionalities. Stent implantation in the abdominal aorta of rabbits was conducted to validate the in vivo re-endothelialization of the ECM-mimetic coating. The mild inflammatory responses, anti-thrombotic property, promotion of endothelialization and suppression of excessive neointimal hyperplasia confirmed that the ECM-mimetic coating provided a promising approach for the modification of vascular implants.
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Affiliation(s)
- Nuoya Chen
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Mingyu Li
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Haoshaung Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Yumei Qin
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Jian Wang
- Shanxi Key Laboratory of Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd, Taiyuan 030032, Shanxi, China
| | - Kai Xu
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110000, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | | | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
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25
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Wang X, Wang P, Li W, Zhu C, Fan D. Effect and mechanism of signal peptide and maltose on recombinant type III collagen production in Pichia pastoris. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12579-0. [PMID: 37199749 DOI: 10.1007/s00253-023-12579-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/19/2023]
Abstract
Recombinant type III collagen plays an important role in cosmetics, wound healing, and tissue engineering. Thus, increasing its production is necessary. After an initial increase in output by modifying the signal peptide, we showed that adding 1% maltose directly to the medium increased the yield and reduced the degradation of recombinant type III collagen. We initially verified that Pichia pastoris GS115 can metabolize and utilize maltose. Interestingly, maltose metabolism-associated proteins in Pichia pastoris GS115 have not yet been identified. RNA sequencing and transmission electron microscopy were performed to clarify the specific mechanism of maltose influence. The results showed that maltose significantly improved the metabolism of methanol, thiamine, riboflavin, arginine, and proline. After adding maltose, the cell microstructures tended more toward the normal. Adding maltose also contributed to yeast homeostasis and methanol tolerance. Finally, adding maltose resulted in the downregulation of aspartic protease YPS1 and a decrease in yeast mortality, thereby slowing down recombinant type III collagen degradation. KEY POINTS: • Co-feeding of maltose improves recombinant type III collagen production. • Maltose incorporation enhances methanol metabolism and antioxidant capacity. • Maltose addition contributes to Pichia pastoris GS115 homeostasis.
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Affiliation(s)
- Xingyin Wang
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Pan Wang
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Weina Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an, 710069, Shaanxi, China
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China.
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, Shaanxi, China.
- Biotech. & Biomed. Research Institute, Northwest University, Xi'an, 710069, Shaanxi, China.
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26
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Liu G, Zhao Y, Li Z, Cao C, Meng J, Yu H, Zhang H. Investigation of MAF for Finishing the Inner Wall of Super-Slim Cardiovascular Stents Tube. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3022. [PMID: 37109858 PMCID: PMC10145384 DOI: 10.3390/ma16083022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 06/19/2023]
Abstract
The internal wall of cardiovascular stent tubing produced by a drawing process has defects such as pits and bumps, making the surface rough and unusable. In this research, the challenge of finishing the inner wall of a super-slim cardiovascular stent tube was solved by magnetic abrasive finishing. Firstly, a spherical CBN magnetic abrasive was prepared by a new method, plasma molten metal powders bonding with hard abrasives; then, a magnetic abrasive finishing device was developed to remove the defect layer from the inner wall of ultrafine long cardiovascular stent tubing; finally, response surface tests were performed and parameters were optimized. The results show that the prepared spherical CBN magnetic abrasive has a perfect spherical appearance; the sharp cutting edges cover the surface layer of the iron matrix; the developed magnetic abrasive finishing device for a ultrafine long cardiovascular stent tube meets the processing requirements; the process parameters are optimized by the established regression model; and the inner wall roughness (Ra) of the nickel-titanium alloy cardiovascular stents tube is reduced from 0.356 μm to 0.083 μm, with an error of 4.3% from the predicted value. Magnetic abrasive finishing effectively removed the inner wall defect layer and reduced the roughness, and this solution provides a reference for polishing the inner wall of ultrafine long tubes.
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27
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Liu G, Zhao Y, Li Z, Yu H, Cao C, Meng J, Zhang H, Zhao C. Investigation of Spherical Al 2O 3 Magnetic Abrasive Prepared by Novel Method for Finishing of the Inner Surface of Cobalt-Chromium Alloy Cardiovascular Stents Tube. MICROMACHINES 2023; 14:621. [PMID: 36985028 PMCID: PMC10058738 DOI: 10.3390/mi14030621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
In this investigation, spherical Al2O3 magnetic abrasive particles (MAPs) were used to polish the inner surface of ultra-fine long cobalt-chromium alloy cardiovascular stent tubes. The magnetic abrasives were prepared by combining plasma molten metal powder and hard abrasives, and the magnetic abrasives prepared by this new method are characterized by high sphericity, narrow particle size distribution range, long life, and good economic value. Firstly, the spherical Al2O3 magnetic abrasives were prepared by the new method; secondly, the polishing machine for the inner surface of the ultra-fine long cardiovascular stent tubes was developed; finally, the influence laws of spindle speed, magnetic pole speed, MAP filling quantities, the magnetic pole gap on the surface roughness (Ra), and the removal thickness (RT) of tubes were investigated. The results showed that the prepared Al2O3 magnetic abrasives were spherical in shape, and their superficial layer was tightly bound with Al2O3 hard abrasives with sharp cutting; the use of spherical Al2O3 magnetic abrasives could achieve the polishing of the inner surface of ultra-fine cobalt-chromium alloy cardiovascular bracket tubes, and after processing, the inner surface roughness (Ra) of the tubes decreased from 0.337 µm to 0.09 µm and had an RT of 5.106 µm.
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28
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Zhao J, Song G, Zhao Q, Feng H, Wang Y, Anderson JM, Zhao H, Liu Q. Development of three-dimensionally printed vascular stents of bioresorbable poly(l-lactide-co-caprolactone). J Biomed Mater Res B Appl Biomater 2023; 111:656-664. [PMID: 36420745 DOI: 10.1002/jbm.b.35184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 08/05/2022] [Accepted: 09/22/2022] [Indexed: 11/27/2022]
Abstract
With the ripening of 3D printing technology and the discovery of a variety of printable materials, 3D-printed vascular stents provide new treatment options for patients with angiocardiopathy. Bioresorbable stent not only combines the advantages of metallic stent and drug-coated balloon, but also avoids the disadvantages of them. 3D printing is also an economical and efficient way to produce stents and makes it possible to construct complex structures. In this study, stents made from poly(l-lactic acid) (PLLA), poly(ε-caprolactone) (PCL) and poly(l-lactide-co-caprolactone) (PLCL) were manufactured by 3D printing and evaluated for radial strength, crystallinity and molecular weight. PLCL copolymerized by different proportions of lactic acid and caprolactone showed different mechanical and degradation properties. This demonstrated the potential of 3D printing as a low-cost and high throughput method for stent manufacturing. The PLLA and PLCL 95/5 stents had similar mechanical properties, whereas PLCL 85/15 and PCL stents both had relatively low radial strength. In general, PLCL 95/5 had a faster degradation rate than PLLA. These two materials were made into peripheral vascular bioresorbable scaffolds (BRS) and further studied by additional bench testing. PLCL 95/5 peripheral BRS had superior mechanical properties in terms of flexural/bending fatigue and compression resistance.
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Affiliation(s)
- Justin Zhao
- Amador Valley High School, Pleasanton, California, USA
| | - Ge Song
- Beijing Advanced Medical Technologies, Ltd Inc., Beijing, People's Republic of China
| | - Qinghua Zhao
- Beijing Advanced Medical Technologies, Ltd Inc., Beijing, People's Republic of China
| | - Hanqing Feng
- Beijing Advanced Medical Technologies, Ltd Inc., Beijing, People's Republic of China
| | - Yunbing Wang
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - James M Anderson
- Departments of Pathology and Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio, USA
| | - Hugh Zhao
- Beijing Advanced Medical Technologies, Ltd Inc., Beijing, People's Republic of China.,College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Qing Liu
- Beijing Advanced Medical Technologies, Ltd Inc., Beijing, People's Republic of China.,Institute for Translational Nanomedicine, Shanghai East Hospital, the Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai, People's Republic of China
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29
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Hua J, Yang H, Wang B, Dai Y, Li X, Yan K, You R, Ma L. Silk fibroin/chitosan coating with tunable catalytic nitric oxide generation for surface functionalization of cardiovascular stents. Int J Biol Macromol 2023; 228:261-272. [PMID: 36581022 DOI: 10.1016/j.ijbiomac.2022.12.239] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 11/14/2022] [Accepted: 12/20/2022] [Indexed: 12/27/2022]
Abstract
Developing a functional coating for vascular stents with sustainable and tunable NO release remains challenging. In this work, we report a silk fibroin/chitosan-based biopolymer coating incorporating copper ions as a catalyst for NO generation and demonstrate its potential for the surface functionalization of cardiovascular stents. Based on the differences in silk fibroin and chitosan coordinating with copper ions, the loading, bonding, and release of copper ions could be precisely regulated over a wide range by controlling the ratio of silk fibroin and chitosan. This system shows good cytocompatibility for endothelial cells and tunable catalytic activity to decompose S-nitroso-N-acetyl-D-penicillamine (SNAP) for NO generation. Consequently, a functionalized coating with sustainable and tunable NO catalysis generation was developed on the metallic stent. Based on good biocompatibility, tunable NO release, and simple processing, the coating is expected to have great promise in the field of intervention therapy of cardiovascular disease.
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Affiliation(s)
- Jinsheng Hua
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China
| | - Hui Yang
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Beilei Wang
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China
| | - Yunfeng Dai
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Xiufang Li
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Kun Yan
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Renchuan You
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China.
| | - Likun Ma
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China.
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30
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Yi M, Xiong B, Li Y, Guo W, Huang Y, Lu B. Manipulate tumor hypoxia for improved photodynamic therapy using nanomaterials. Eur J Med Chem 2023; 247:115084. [PMID: 36599230 DOI: 10.1016/j.ejmech.2022.115084] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/20/2022] [Accepted: 12/30/2022] [Indexed: 01/01/2023]
Abstract
Due to its low adverse effects, minimal invasiveness, and outstanding patient compliance, photodynamic therapy (PDT) has drawn a great deal of interest, which is achieved through incomplete reduction of O2 by a photosensitizer under light illumination that produces amounts of reactive oxygen species (ROS). However, tumor hypoxia significantly hinders the therapeutic effect of PDT so that tumor cells cannot be eliminated, which results in tumor cells proliferating, invading, and metastasizing. Additionally, O2 consumption during PDT exacerbates hypoxia in tumors, leading to several adverse events after PDT treatment. In recent years, various investigations have focused on conquering or using tumor hypoxia by nanomaterials to amplify PDT efficacy, which is summarized in this review. This comprehensive review's objective is to present novel viewpoints on the advancement of oxygenation nanomaterials in this promising field, which is motivated by hypoxia-associated anti-tumor therapy.
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Affiliation(s)
- Mengqi Yi
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Bei Xiong
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Yuyang Li
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Wei Guo
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Yunhan Huang
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Bo Lu
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China.
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Zhu J, Li Z, Zou Y, Lu G, Ronca A, D’Amora U, Liang J, Fan Y, Zhang X, Sun Y. Advanced application of collagen-based biomaterials in tissue repair and restoration. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2022. [DOI: 10.1186/s42825-022-00102-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractIn tissue engineering, bioactive materials play an important role, providing structural support, cell regulation and establishing a suitable microenvironment to promote tissue regeneration. As the main component of extracellular matrix, collagen is an important natural bioactive material and it has been widely used in scientific research and clinical applications. Collagen is available from a wide range of animal origin, it can be produced by synthesis or through recombinant protein production systems. The use of pure collagen has inherent disadvantages in terms of physico-chemical properties. For this reason, a processed collagen in different ways can better match the specific requirements as biomaterial for tissue repair. Here, collagen may be used in bone/cartilage regeneration, skin regeneration, cardiovascular repair and other fields, by following different processing methods, including cross-linked collagen, complex, structured collagen, mineralized collagen, carrier and other forms, promoting the development of tissue engineering. This review summarizes a wide range of applications of collagen-based biomaterials and their recent progress in several tissue regeneration fields. Furthermore, the application prospect of bioactive materials based on collagen was outlooked, aiming at inspiring more new progress and advancements in tissue engineering research.
Graphical Abstract
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32
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Wang Y, Li G, Yang L, Luo R, Guo G. Development of Innovative Biomaterials and Devices for the Treatment of Cardiovascular Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201971. [PMID: 35654586 DOI: 10.1002/adma.202201971] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/29/2022] [Indexed: 06/15/2023]
Abstract
Cardiovascular diseases have become the leading cause of death worldwide. The increasing burden of cardiovascular diseases has become a major public health problem and how to carry out efficient and reliable treatment of cardiovascular diseases has become an urgent global problem to be solved. Recently, implantable biomaterials and devices, especially minimally invasive interventional ones, such as vascular stents, artificial heart valves, bioprosthetic cardiac occluders, artificial graft cardiac patches, atrial shunts, and injectable hydrogels against heart failure, have become the most effective means in the treatment of cardiovascular diseases. Herein, an overview of the challenges and research frontier of innovative biomaterials and devices for the treatment of cardiovascular diseases is provided, and their future development directions are discussed.
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Affiliation(s)
- Yunbing Wang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Gaocan Li
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Li Yang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Gaoyang Guo
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
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33
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Hu C, Liu W, Long L, Wang Z, Zhang W, He S, Lu L, Fan H, Yang L, Wang Y. Regeneration of infarcted hearts by myocardial infarction-responsive injectable hydrogels with combined anti-apoptosis, anti-inflammatory and pro-angiogenesis properties. Biomaterials 2022; 290:121849. [DOI: 10.1016/j.biomaterials.2022.121849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/02/2022] [Indexed: 11/26/2022]
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34
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Development of Biodegradable Polymeric Stents for the Treatment of Cardiovascular Diseases. Biomolecules 2022; 12:biom12091245. [PMID: 36139086 PMCID: PMC9496387 DOI: 10.3390/biom12091245] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/02/2022] [Accepted: 09/04/2022] [Indexed: 11/17/2022] Open
Abstract
Cardiovascular disease has become the leading cause of death. A vascular stent is an effective means for the treatment of cardiovascular diseases. In recent years, biodegradable polymeric vascular stents have been widely investigated by researchers because of its degradability and clinical application potential for cardiovascular disease treatment. Compared to non-biodegradable stents, these stents are designed to degrade after vascular healing, leaving regenerated healthy arteries. This article reviews and summarizes the recent advanced methods for fabricating biodegradable polymeric stents, including injection molding, weaving, 3D printing, and laser cutting. Besides, the functional modification of biodegradable polymeric stents is also introduced, including visualization, anti-thrombus, endothelialization, and anti-inflammation. In the end, the challenges and future perspectives of biodegradable polymeric stents were discussed.
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35
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He Y, Duan L, Lu T, Jia R, Guo D, Ma C, Li T, He Y. Investigation of surface endothelialization on nitinol: Effects of composite hydrogel coatings. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Preparation and Properties of Double-Crosslinked Hydroxyapatite Composite Hydrogels. Int J Mol Sci 2022; 23:ijms23179962. [PMID: 36077353 PMCID: PMC9456312 DOI: 10.3390/ijms23179962] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 12/19/2022] Open
Abstract
Natural polymer hydrogels have good mechanical properties and biocompatibility. This study designed hydroxyapatite-enhanced photo-oxidized double-crosslinked hydrogels. Hyaluronic acid (HA) and gelatin (Gel) were modified with methacrylate anhydride. The catechin group was further introduced into the HA chain inspired by the adhesion chemistry of marine mussels. Hence, the double-crosslinked hydrogel (HG) was formed by the photo-crosslinking of double bonds and the oxidative-crosslinking of catechins. Moreover, hydroxyapatite was introduced into HG to form hydroxyapatite-enhanced hydrogels (HGH). The results indicate that, with an increase in crosslinking network density, the stiffness of hydrogels became higher; these hydrogels have more of a compact pore structure, their anti-degradation property is improved, and swelling property is reduced. The introduction of hydroxyapatite greatly improved the mechanical properties of hydrogels, but there is no change in the stability and crosslinking network structure of hydrogels. These inorganic phase-enhanced hydrogels were expected to be applied to tissue engineering scaffolds.
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37
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Yan M, An X, Duan S, Jiang Z, Liu X, Zhao X, Li Y. A comparative study on cross-linking of fibrillar gel prepared by tilapia collagen and hyaluronic acid with EDC/NHS and genipin. Int J Biol Macromol 2022; 213:639-650. [PMID: 35671907 DOI: 10.1016/j.ijbiomac.2022.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/20/2022] [Accepted: 06/01/2022] [Indexed: 11/26/2022]
Abstract
Chemical cross-linking is an important step to grant satisfying properties to collagen-based materials. However, there are few comparative studies on crossing-linking of collagen-based fibrillar gels which are preferred biomaterials for similar properties to native tissues with different cross-linking agents. In this study, a fibrillar gel was fabricated with tilapia collagen and hyaluronic acid, and cross-linking conditions with EDC/NHS and genipin were discussed. Genipin gave gels much higher equilibrium cross-linking degree than EDC/NHS. ATR-FTIR and XPS showed EDC/NHS offered short-range cross-linking formed by amino and carboxyl groups in fibrils, while genipin induced long-range cross-linking by nucleophilic reaction through attack of amino groups in fibrils on carbon atoms at C-3 as well as ester groups in genipin, besides improved hydrogen bonds. XRD and SEM revealed the structural integrity of gels was strengthened after cross-linking, whereas fibril bundles disaggregated into thin fibrils. Consequently, swelling capacity and anti-degraded property were enhanced significantly, while thermal stability weakened. The fibrillar gels had good biocompatibility, but interestingly the appearance and migration of L929 fibroblasts were influenced by cross-linking degree. These results demonstrated that aquatic collagen-based fibrillar gel cross-linked by genipin had greater potential in biomaterials than EDC/NHS, whereas the cross-linking degree should be controlled.
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Affiliation(s)
- Mingyan Yan
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Xiangsheng An
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Shujun Duan
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Zhicong Jiang
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Xiaoyan Liu
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Xiaochen Zhao
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Yinping Li
- Shandong Provincial Key Laboratory of Biochemical Engineering, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
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38
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Abstract
Vascular transplantation is an effective and common treatment for cardiovascular disease (CVD). However, the low biocompatibility of implants is a major problem that hinders its clinical application. Surface modification of implants with extracellular matrix (ECM) coatings is an effective approach to improve the biocompatibility of cardiovascular materials. The complete ECM seems to have better biocompatibility, which may give cardiovascular biomaterials a more functional surface. The use of one or several ECM proteins to construct a surface allows customization of coating composition and structure, possibly resulting in some unique functions. ECM is a complex three-dimensional structure composed of a variety of functional biological macromolecules, and changes in the composition will directly affect the function of the coating. Therefore, understanding the chemical composition of the ECM and its interaction with cells is beneficial to provide new approaches for coating surface modification. This article reviews novel ECM coatings, including coatings composed of intact ECM and biomimetic coatings tailored from several ECM proteins, and introduces new advances in coating fabrication. These ECM coatings are effective in improving the biocompatibility of vascular grafts.
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Setiawati A, Jeong S, Brillian AI, Lee SH, Shim JG, Jung KH, Shin K. Fabrication of a Tailored, Hybrid Extracellular Matrix Composite. Macromol Biosci 2022; 22:e2200106. [PMID: 35765216 DOI: 10.1002/mabi.202200106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/24/2022] [Indexed: 11/10/2022]
Abstract
The extracellular matrix (ECM) is a network of connective fibers that supports cells living in their surroundings. Native ECM, generated by the secretory products of each tissue's resident cells, has a unique architecture with different protein composition depending on the tissue. Therefore, it is very difficult to artificially design in vivo architecture in tissue engineering. In this study, we fabricated a hybrid ECM scaffold from the basic structure of fibroblast-derived cellular ECMs by adding major ECM components of fibronectin (FN) and collagen (COL I) externally. It was confirmed that while maintaining the basic structure of the native ECM, major protein components can be regulated. Then, decellularization was performed to prepare hybrid ECM scaffolds with various protein compositions and we demonstrated that a liver-mimicking fibronectin (FN)-rich hybrid ECM promoted successful settling of H4IIE rat hepatoma cells. We believe that our method holds promise for the fabrication of scaffolds that provide a tailored cellular microenvironment for specific organs and serve as novel pathways for the replacement or regeneration of specific organ tissues. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Agustina Setiawati
- Department of Chemistry and Institute of Biological Interfaces, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea.,Department of Life Science, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea.,Faculty of Pharmacy, Paingan, Maguwoharjo, Depok, Sanata Dharma University, Sleman, Yogyakarta, 55284, Indonesia
| | - Sungwoo Jeong
- Department of Chemistry and Institute of Biological Interfaces, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea
| | - Albertus Ivan Brillian
- Department of Chemistry and Institute of Biological Interfaces, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea
| | - Sang Ho Lee
- Department of Chemistry and Institute of Biological Interfaces, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea
| | - Jin-Gon Shim
- Department of Life Science, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea
| | - Kwang-Hwan Jung
- Department of Life Science, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea
| | - Kwanwoo Shin
- Department of Chemistry and Institute of Biological Interfaces, 35-Baekbeom-ro, Sogang University, Mapo-gu, Seoul, 04107, Republic of Korea
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40
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Membranes for extracorporeal membrane oxygenator (ECMO): history, preparation, modification and mass transfer. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.05.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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41
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Zhang B, Qin Y, Wang Y. A nitric oxide-eluting and REDV peptide-conjugated coating promotes vascular healing. Biomaterials 2022; 284:121478. [PMID: 35366606 DOI: 10.1016/j.biomaterials.2022.121478] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/05/2022] [Accepted: 03/18/2022] [Indexed: 12/14/2022]
Abstract
Drug-eluting stents (DESs) placement remarkably reduces the over-proliferation of smooth muscle cells (SMCs) and thus neointimal hyperplasia. However, the pharmacological agent also slows down the re-endothelization, delays injury vascular healing and increases the risk of in-stent restenosis (ISR). Here, inspired by mussel foot proteins (Mfps), a mimicking endothelium functional stent coating was efficiently fabricated by thiol-ene "click" reaction, consisting of catechol grafted chitosan (CS-C), zinc sulfate, and Arg-Glu-Asp-Val (REDV) peptide. The mimicking endothelium coating could continuously catalyze endogenous nitric oxide (NO) gas and maintain the bioactivity of REDV peptide. Compared with bare stents, the mimicking coatings significantly inhibited the acute thrombosis for the first 1-week, accelerated re-endothelization and decreased in-stent restenosis for 1- and 3-month after implantation. In addition, the synergistic effect of NO and REDV peptide also regulated inflammation response and promoted the expression of muscle fiber.
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Affiliation(s)
- Bo Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Yumei Qin
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610065, China.
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42
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Selvakumar PP, Rafuse MS, Johnson R, Tan W. Applying Principles of Regenerative Medicine to Vascular Stent Development. Front Bioeng Biotechnol 2022; 10:826807. [PMID: 35321023 PMCID: PMC8936177 DOI: 10.3389/fbioe.2022.826807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/17/2022] [Indexed: 11/16/2022] Open
Abstract
Stents are a widely-used device to treat a variety of cardiovascular diseases. The purpose of this review is to explore the application of regenerative medicine principles into current and future stent designs. This review will cover regeneration-relevant approaches emerging in the current research landscape of stent technology. Regenerative stent technologies include surface engineering of stents with cell secretomes, cell-capture coatings, mimics of endothelial products, surface topography, endothelial growth factors or cell-adhesive peptides, as well as design of bioresorable materials for temporary stent support. These technologies are comparatively analyzed in terms of their regenerative effects, therapeutic effects and challenges faced; their benefits and risks are weighed up for suggestions about future stent developments. This review highlights two unique regenerative features of stent technologies: selective regeneration, which is to selectively grow endothelial cells on a stent but inhibit the proliferation and migration of smooth muscle cells, and stent-assisted regeneration of ischemic tissue injury.
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Affiliation(s)
| | | | | | - Wei Tan
- University of Colorado Boulder, Boulder, CO, United States
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43
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Sirolimus Release from Biodegradable Polymers for Coronary Stent Application: A Review. Pharmaceutics 2022; 14:pharmaceutics14030492. [PMID: 35335869 PMCID: PMC8949664 DOI: 10.3390/pharmaceutics14030492] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/21/2022] [Accepted: 02/23/2022] [Indexed: 02/02/2023] Open
Abstract
Drug-eluting stents (DESs) are commonly used for the treatment of coronary artery disease. The evolution of the drug-eluting layer on the surface of the metal stent plays an important role in DES functionality. Here, the use of biodegradable polymers has emerged as an attractive strategy because it minimizes the occurrence of late thrombosis after stent implantation. Furthermore, understanding the drug-release behavior of DESs is also important for improving the safety and efficacy of stent treatments. Drug release from biodegradable polymers has attracted extensive research attention because biodegradable polymers with different properties show different drug-release behaviors. Molecular weight, composition, glass transition temperature, crystallinity, and the degradation rate are important properties affecting the behavior of polymers. Sirolimus is a conventional anti-proliferation drug and is the most widely used drug in DESs. Sirolimus-release behavior affects endothelialization and thrombosis formation after DES implantation. In this review, we focus on sirolimus release from biodegradable polymers, including synthetic and natural polymers widely used in the medical field. We hope this review will provide valuable up-to-date information on this subject and contribute to the further development of safe and efficient DESs.
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44
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Long LY, Liu W, Li L, Hu C, He S, Lu L, Wang J, Yang L, Wang YB. Dissolving microneedle-encapsulated drug-loaded nanoparticles and recombinant humanized collagen type III for the treatment of chronic wound via anti-inflammation and enhanced cell proliferation and angiogenesis. NANOSCALE 2022; 14:1285-1295. [PMID: 35006234 DOI: 10.1039/d1nr07708b] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Nowadays, diabetic chronic wounds impose a heavy burden on patients and the medical system. Persistent inflammation and poor tissue remodeling severely limit the healing of chronic wounds. For these issues, the first recombinant humanized collagen type III (rhCol III) and naproxen (Nap) loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticle incorporated hyaluronic acid (HA) microneedle (MN) was fabricated for diabetic chronic wound therapy. As the tailored rhCol III was synthesized based on the Gly483-Pro512 segment, which contained the highly adhesive fragments (GER, GEK) in the human collagen type III sequence, it possessed strong cell adhesion. The mechanical strength of the prepared MN was enough to overcome the tissue barrier of necrosis/hyperkeratosis in a minimally invasive way after being applied in wounds. Subsequently, rhCol III and Nap@PLGA nanoparticles were rapidly released to the wound site within a few minutes. The prepared MN possessed favourable biocompatibility and could effectively facilitate the proliferation and migration of fibroblasts and endothelial cells. Furthermore, the regenerative efficacy of the MN was evaluated in vivo using the diabetic rat full-thickness skin wound model. These results illustrated that the prepared MN could accelerate wound closure by reducing the inflammatory response and enhancing angiogenesis or collagen deposition, indicating their significant application value in wound dressings for chronic wound repair.
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Affiliation(s)
- Lin-Yu Long
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Wenqi Liu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Li Li
- Institute of Clinical Pathology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Cheng Hu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Shuyi He
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Lu Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan-Jinbo Joint Research Center, Fudan University, Shanghai, 200302, China
| | - Jian Wang
- Shanxi Jinbo Bio-Pharmaceutical Co., Ltd, Taiyuan, 030032, China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
| | - Yun-Bing Wang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu, 610064, China.
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45
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Bian Q, Chen J, Weng Y, Li S. Endothelialization strategy of implant materials surface: The newest research in recent 5 years. J Appl Biomater Funct Mater 2022; 20:22808000221105332. [PMID: 35666145 DOI: 10.1177/22808000221105332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In recent years, more and more metal or non-metal materials have been used in the treatment of cardiovascular diseases, but the vascular complications after transplantation are still the main factors restricting the clinical application of most grafts, such as acute thrombosis and graft restenosis. Implant materials have been extensively designed and surface optimized by researchers, but it is still too difficult to avoid complications. Natural vascular endodermis has excellent function, anti-coagulant and anti-intimal hyperplasia, and it is also the key to maintaining the homeostasis of normal vascular microenvironment. Therefore, how to promote the adhesion of endothelial cells (ECs) on the surface of cardiovascular materials to achieve endothelialization of the surface is the key to overcoming the complications after implant materialization. At present, the surface endothelialization design of materials based on materials surface science, bioactive molecules, and biological function intervention and feedback has attracted much attention. In this review, we summarize the related research on the surface modification of materials by endothelialization in recent years, and analyze the advantages and challenges of current endothelialization design ideas, explain the relationship between materials, cells, and vascular remodeling in order to find a more ideal endothelialization surface modification strategy for future researchers to meet the requirements of clinical biocompatibility of cardiovascular materials.
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Affiliation(s)
- Qihao Bian
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, China.,School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Junying Chen
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, China.,School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Yajun Weng
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, China.,School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Suiyan Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, China
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46
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Long LY, Hu C, Liu W, Wu C, Lu L, Yang L, Wang YB. Microfibrillated cellulose-enhanced carboxymethyl chitosan/oxidized starch sponge for chronic diabetic wound repair. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2022; 135:112669. [DOI: 10.1016/j.msec.2022.112669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/03/2022] [Accepted: 01/15/2022] [Indexed: 12/01/2022]
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47
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Hu C, Liu W, Long L, Wang Z, Yuan Y, Zhang W, He S, Wang J, Yang L, Lu L, Wang Y. Microenvironment-responsive multifunctional hydrogels with spatiotemporal sequential release of tailored recombinant human collagen type III for the rapid repair of infected chronic diabetic wounds. J Mater Chem B 2021; 9:9684-9699. [PMID: 34821252 DOI: 10.1039/d1tb02170b] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Recently, the incidence of chronic diabetic wounds increases continuously, and the existing clinical treatment is less effective. Thus, it is an urgent need to solve these problems for better clinical treatment effects. Herein, we prepared a brand-new tailored recombinant human collagen type III (rhCol III) and constructed a multifunctional microenvironment-responsive hydrogel carrier based on multifunctional antibacterial nanoparticles (PDA@Ag NPs) and our tailored rhCol III. The multifunctional smart hydrogel disintegrated quickly at the chronic diabetic wound sites and achieved the programed on-demand release of different therapeutic substances. The first released PDA@Ag NPs showed great antibacterial properties against S. aureus and E. coli. They could kill bacteria rapidly, and also showed antioxidant and anti-inflammatory effects at the wound site. The subsequent release of our tailored rhCol III could promote the proliferation and migration of mouse fibroblasts and endothelial cells during the proliferation and remodeling process of wound healing. Relevant results showed that the multifunctional smart hydrogel could promote the expression levels of basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF), decrease the inflammatory response, accelerate the deposition of collagen and increase cell proliferation and angiogenesis, thereby speeding up the healing of infected chronic wounds. In a word, the hydrogel, which took into consideration the complex microenvironment at the wound site and multi-stage healing process, could achieve programmed and responsive release of different therapeutic substances to meet the treatment needs in different wound healing stages. More importantly, our work illustrated the great application potential of our brand-new rhCol III in promoting chronic wound repair and regeneration.
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Affiliation(s)
- Cheng Hu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Wenqi Liu
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Linyu Long
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Zhicun Wang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Yihui Yuan
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Wen Zhang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - ShuYi He
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Jian Wang
- Shanxi Jinbo Biomedicine Co., Ltd, Taiyuan 030000, People's Republic of China
| | - Li Yang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
| | - Lu Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan-Jinbo Joint Research Center, Fudan University, Shanghai 200302, People's Republic of China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Chuanda-Jinbo Joint Research Center, Sichuan University, Chengdu 610064, People's Republic of China.
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Porous Bilayer Vascular Grafts Fabricated from Electrospinning of the Recombinant Human Collagen (RHC) Peptide-Based Blend. Polymers (Basel) 2021; 13:polym13224042. [PMID: 34833340 PMCID: PMC8619216 DOI: 10.3390/polym13224042] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 12/18/2022] Open
Abstract
Cardiovascular diseases, including coronary artery and peripheral vascular pathologies, are leading causes of mortality. As an alternative to autografts, prosthetic grafts have been developed to reduce the death rate. This study presents the development and characterization of bilayer vascular grafts with appropriate structural and biocompatibility properties. A polymer blend of recombinant human collagen (RHC) peptides and polycaprolactone (PCL) was used to build the inner layer of the graft by electrospinning and co-electrospinning the water-soluble polyethylene oxide (PEO) as sacrificial material together with PCL to generate the porous outer layer. The mechanical test demonstrated the bilayer scaffold’s appropriate mechanical properties as compared with the native vascular structure. Human umbilical vein endothelial cells (HUVEC) showed enhanced adhesion to the lumen after seeding on nanoscale fibers. Meanwhile, by enhancing the porosity of the microfibrous outer layer through the removal of PEO fibers, rat smooth muscle cells (A7r5) could proliferate and infiltrate the porous layer easily.
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