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Omidian H, Chowdhury SD, Wilson RL. Advancements and Challenges in Hydrogel Engineering for Regenerative Medicine. Gels 2024; 10:238. [PMID: 38667657 PMCID: PMC11049258 DOI: 10.3390/gels10040238] [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: 02/22/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
This manuscript covers the latest advancements and persisting challenges in the domain of tissue engineering, with a focus on the development and engineering of hydrogel scaffolds. It highlights the critical role of these scaffolds in emulating the native tissue environment, thereby providing a supportive matrix for cell growth, tissue integration, and reducing adverse reactions. Despite significant progress, this manuscript emphasizes the ongoing struggle to achieve an optimal balance between biocompatibility, biodegradability, and mechanical stability, crucial for clinical success. It also explores the integration of cutting-edge technologies like 3D bioprinting and biofabrication in constructing complex tissue structures, alongside innovative materials and techniques aimed at enhancing tissue growth and functionality. Through a detailed examination of these efforts, the manuscript sheds light on the potential of hydrogels in advancing regenerative medicine and the necessity for multidisciplinary collaboration to navigate the challenges ahead.
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Affiliation(s)
- Hossein Omidian
- Barry and Judy Silverman College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA; (S.D.C.); (R.L.W.)
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Chen X, Huang S, Niu Y, Luo M, Liu H, Jiao Y, Huang J. Transplantation of Gelatin Microspheres Loaded with Wharton's Jelly Derived Mesenchymal Stem Cells Facilitates Cartilage Repair in Mice. Tissue Eng Regen Med 2024; 21:171-183. [PMID: 37688747 PMCID: PMC10764672 DOI: 10.1007/s13770-023-00574-5] [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: 04/18/2023] [Revised: 06/20/2023] [Accepted: 07/05/2023] [Indexed: 09/11/2023] Open
Abstract
BACKGROUND Knee osteoarthritis (KOA) is a prevalent chronic joint disease caused by various factors. Mesenchymal stem cells (MSCs) therapy is an increasingly promising therapeutic option for osteoarthritis. However, the chronic inflammation of knee joint can severely impede the therapeutic effects of transplanted cells. Gelatin microspheres (GMs) are degradable biomaterial that have various porosities for cell adhesion and cell-cell interaction. Excellent elasticity and deformability of GMs make it an excellent injectable vehicle for cell delivery. METHODS We created Wharton's jelly derived mesenchymal stem cells (WJMSCs)-GMs complexes and assessed the effects of GMs on cell activity, proliferation and chondrogenesis. Then, WJMSCs loaded in GMs were transplanted in the joint of osteoarthritis mice. After four weeks, joint tissue was collected for histological analysis. Overexpressing-luciferase WJMSCs were performed to explore cell retention in mice. RESULTS In vitro experiments demonstrated that WJMSCs loaded with GMs maintained cell viability and proliferative potential. Moreover, GMs enhanced the chondrogenesis differentiation of WJMSCs while alleviated cell hypertrophy. In KOA mice model, transplantation of WJMSCs-GMs complexes promoted cartilage regeneration and cartilage matrix formation, contributing to the treatment of KOA. Compared with other groups, in WJMSCs+GMs group, there were fewer cartilage defects and with a more integrated tibia structure. Tracking results of stable-overexpressing luciferase WJMSCs demonstrated that GMs significantly extended the retention time of WJMSCs in knee joint cavity. CONCLUSION Our results indicated that GMs facilitate WJMSCs mediated knee osteoarthritis healing in mice by promoting cartilage regeneration and prolonging cell retention. It might potentially provide an optimal strategy for the biomaterial-stem cell based therapy for knee osteoarthritis.
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Affiliation(s)
- Xiaolin Chen
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Sunxing Huang
- Key Laboratory of Reproductive Medicine of Guangdong Province, The First Affliated Hospital and School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Yongxia Niu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Mingxun Luo
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Haiying Liu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Yiren Jiao
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, China.
| | - Junjiu Huang
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
- Key Laboratory of Reproductive Medicine of Guangdong Province, The First Affliated Hospital and School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.
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Tan S, Qiu Y, Xiong H, Wang C, Chen Y, Wu W, Yang Z, Zhao F. Mussel-inspired cortical bone-adherent bioactive composite hydrogels promote bone augmentation through sequential regulation of endochondral ossification. Mater Today Bio 2023; 23:100843. [PMID: 37942424 PMCID: PMC10628777 DOI: 10.1016/j.mtbio.2023.100843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 10/11/2023] [Accepted: 10/22/2023] [Indexed: 11/10/2023] Open
Abstract
Endochondral ossification (ECO) plays an integral part in bone augmentation, which undergoes sequential processes including mesenchymal stem cells (MSC) condensation, chondrocyte differentiation, chondrocyte hypertrophy, and mineralized bone formation. Thus, accelerating these steps will speed up the osteogenesis process through ECO. Herein, inspired by the marine mussels' adhesive mechanism, a bioactive glass-dopamine (BG-Dopa) hydrogel was prepared by distributing the micro-nano BG to aldehyde modified hyaluronic acid with dopamine-modified gelatin. By in vitro and in vivo experiments, we confirm that after implanting in the bone augmentation position, the hydrogel can adhere to the cortical bone surface firmly without sliding. Moreover, the condensation and hypertrophy of stem cells were accelerated at the early stage of ECO. Whereafter, the osteogenic differentiation of the hypertrophic chondrocytes was promoted, which lead to accelerating the late stage of ECO process to achieve more bone augmentation. This experiment provides a new idea for the design of bone augmentation materials.
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Affiliation(s)
- Shuyi Tan
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Yonghao Qiu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Huacui Xiong
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Chunhui Wang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Yifan Chen
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Wangxi Wu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
| | - Zhen Yang
- Center for Health Science and Engineering, Hebei Key Laboratory of Biomaterials and Smart Theranostics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin, 300131, China
| | - Fujian Zhao
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, China
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You J, Liu M, Li M, Zhai S, Quni S, Zhang L, Liu X, Jia K, Zhang Y, Zhou Y. The Role of HIF-1α in Bone Regeneration: A New Direction and Challenge in Bone Tissue Engineering. Int J Mol Sci 2023; 24:ijms24098029. [PMID: 37175732 PMCID: PMC10179302 DOI: 10.3390/ijms24098029] [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: 03/06/2023] [Revised: 04/22/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
The process of repairing significant bone defects requires the recruitment of a considerable number of cells for osteogenesis-related activities, which implies the consumption of a substantial amount of oxygen and nutrients. Therefore, the limited supply of nutrients and oxygen at the defect site is a vital constraint that affects the regenerative effect, which is closely related to the degree of a well-established vascular network. Hypoxia-inducible factor (HIF-1α), which is an essential transcription factor activated in hypoxic environments, plays a vital role in vascular network construction. HIF-1α, which plays a central role in regulating cartilage and bone formation, induces vascular invasion and differentiation of osteoprogenitor cells to promote and maintain extracellular matrix production by mediating the adaptive response of cells to changes in oxygen levels. However, the application of HIF-1α in bone tissue engineering is still controversial. As such, clarifying the function of HIF-1α in regulating the bone regeneration process is one of the urgent issues that need to be addressed. This review provides insight into the mechanisms of HIF-1α action in bone regeneration and related recent advances. It also describes current strategies for applying hypoxia induction and hypoxia mimicry in bone tissue engineering, providing theoretical support for the use of HIF-1α in establishing a novel and feasible bone repair strategy in clinical settings.
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Affiliation(s)
- Jiaqian You
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Manxuan Liu
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Minghui Li
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Shaobo Zhai
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Sezhen Quni
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Lu Zhang
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Xiuyu Liu
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Kewen Jia
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Yidi Zhang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Yanmin Zhou
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China
- School of Stomatology, Jilin University, Changchun 130021, China
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Cheng M, Yuan W, Moshaverinia A, Yu B. Rejuvenation of Mesenchymal Stem Cells to Ameliorate Skeletal Aging. Cells 2023; 12:998. [PMID: 37048071 PMCID: PMC10093211 DOI: 10.3390/cells12070998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 04/14/2023] Open
Abstract
Advanced age is a shared risk factor for many chronic and debilitating skeletal diseases including osteoporosis and periodontitis. Mesenchymal stem cells develop various aging phenotypes including the onset of senescence, intrinsic loss of regenerative potential and exacerbation of inflammatory microenvironment via secretory factors. This review elaborates on the emerging concepts on the molecular and epigenetic mechanisms of MSC senescence, such as the accumulation of oxidative stress, DNA damage and mitochondrial dysfunction. Senescent MSCs aggravate local inflammation, disrupt bone remodeling and bone-fat balance, thereby contributing to the progression of age-related bone diseases. Various rejuvenation strategies to target senescent MSCs could present a promising paradigm to restore skeletal aging.
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Affiliation(s)
- Mingjia Cheng
- Section of Restorative Dentistry, School of Dentistry, University of California, Los Angeles, CA 90095, USA
| | - Weihao Yuan
- Section of Restorative Dentistry, School of Dentistry, University of California, Los Angeles, CA 90095, USA
| | - Alireza Moshaverinia
- Section of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA 90095, USA
| | - Bo Yu
- Section of Restorative Dentistry, School of Dentistry, University of California, Los Angeles, CA 90095, USA
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Kaur H, Sharma P, Pal VK, Sen S, Roy S. Exploring Supramolecular Interactions between the Extracellular-Matrix-Derived Minimalist Bioactive Peptide and Nanofibrillar Cellulose for the Development of an Advanced Biomolecular Scaffold. ACS Biomater Sci Eng 2023; 9:1422-1436. [PMID: 36826412 DOI: 10.1021/acsbiomaterials.3c00014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
It has been increasingly evident over the last few years that bioactive peptide hydrogels in conjugation with polymer hydrogels are emerging as a new class of supramolecular materials suitable for various biomedical applications owing to their specificity, tunability, and nontoxicity toward the biological system. Despite their unique biocompatible features, both polymer- and peptide-based scaffolds suffer from certain limitations, which restrict their use toward developing efficient matrices for controlling cellular behavior. The peptide hydrogels usually form soft matrices with low mechanical strength, whereas most of the polymer hydrogels lack biofunctionality. In this direction, combining polymers with peptides to develop a conjugate hydrogel can be explored as an emergent approach to overcome the limitations of the individual components. The polymer will provide high mechanical strength, whereas the biofunctionality of the material can be induced by the bioactive peptide sequence. In this study, we utilized TEMPO-oxidized nanofibrillar cellulose as the polymer counterpart, which was co-assembled with a short N-cadherin mimetic bioactive peptide sequence, Nap-HAVDI, to fabricate an NFC-peptide conjugate hydrogel. Interestingly, the mechanical strength of the peptide hydrogel was found to be significantly improved by combining the peptide with the NFC in the conjugate hydrogel. The addition of the peptide into the NFC also reduced the pore size within NFC matrices, which further helped in improving cellular adhesion, survival, and proliferation. Furthermore, the cells grown on the NFC and NFC-peptide hybrid hydrogel demonstrated normal expression of cytoskeleton proteins, i.e., β-tubulin in C6 cells and actin in L929 cells, respectively. The selective response of neuronal cells toward the specific bioactive peptide was further observed through a protein expression study. Thus, our study demonstrated the collective role of the cellulose-peptide composite material that revealed superior physical properties and biological response of this composite scaffold, which may open up a new platform for biomedical applications.
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Affiliation(s)
- Harsimran Kaur
- Institute of Nano Science and Technology (INST), Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Pooja Sharma
- Institute of Nano Science and Technology (INST), Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Vijay K Pal
- Institute of Nano Science and Technology (INST), Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Sourav Sen
- Institute of Nano Science and Technology (INST), Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Sangita Roy
- Institute of Nano Science and Technology (INST), Sector 81, Knowledge City, Mohali, Punjab 140306, India
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Chen W, Wu P, Yu F, Luo G, Qing L, Tang J. HIF-1α Regulates Bone Homeostasis and Angiogenesis, Participating in the Occurrence of Bone Metabolic Diseases. Cells 2022; 11:cells11223552. [PMID: 36428981 PMCID: PMC9688488 DOI: 10.3390/cells11223552] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/16/2022] [Accepted: 11/07/2022] [Indexed: 11/12/2022] Open
Abstract
In the physiological condition, the skeletal system's bone resorption and formation are in dynamic balance, called bone homeostasis. However, bone homeostasis is destroyed under pathological conditions, leading to the occurrence of bone metabolism diseases. The expression of hypoxia-inducible factor-1α (HIF-1α) is regulated by oxygen concentration. It affects energy metabolism, which plays a vital role in preventing bone metabolic diseases. This review focuses on the HIF-1α pathway and describes in detail the possible mechanism of its involvement in the regulation of bone homeostasis and angiogenesis, as well as the current experimental studies on the use of HIF-1α in the prevention of bone metabolic diseases. HIF-1α/RANKL/Notch1 pathway bidirectionally regulates the differentiation of macrophages into osteoclasts under different conditions. In addition, HIF-1α is also regulated by many factors, including hypoxia, cofactor activity, non-coding RNA, trace elements, etc. As a pivotal pathway for coupling angiogenesis and osteogenesis, HIF-1α has been widely studied in bone metabolic diseases such as bone defect, osteoporosis, osteonecrosis of the femoral head, fracture, and nonunion. The wide application of biomaterials in bone metabolism also provides a reasonable basis for the experimental study of HIF-1α in preventing bone metabolic diseases.
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