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Tang B, Xie X, Lu J, Huang W, Yang J, Tian J, Lei L. Designing biomaterials for the treatment of autoimmune diseases. APPLIED MATERIALS TODAY 2024; 39:102278. [DOI: 10.1016/j.apmt.2024.102278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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Wu Y, Zhang J, Lin A, Zhang T, Liu Y, Zhang C, Yin Y, Guo R, Gao J, Li Y, Chu Y. Immunomodulatory poly(L-lactic acid) nanofibrous membranes promote diabetic wound healing by inhibiting inflammation, oxidation and bacterial infection. BURNS & TRAUMA 2024; 12:tkae009. [PMID: 38841099 PMCID: PMC11151119 DOI: 10.1093/burnst/tkae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 06/07/2024]
Abstract
Background Given the significant impact on human health, it is imperative to develop novel treatment approaches for diabetic wounds, which are prevalent and serious complications of diabetes. The diabetic wound microenvironment has a high level of reactive oxygen species (ROS) and an imbalance between proinflammatory and anti-inflammatory cells/factors, which hamper the healing of chronic wounds. This study aimed to develop poly(L-lactic acid) (PLLA) nanofibrous membranes incorporating curcumin and silver nanoparticles (AgNPs), defined as PLLA/C/Ag, for diabetic wound healing. Methods PLLA/C/Ag were fabricated via an air-jet spinning approach. The membranes underwent preparation and characterization through various techniques including Fourier-transform infrared spectroscopy, measurement of water contact angle, X-ray photoelectron spectroscopy, X-ray diffraction, scanning electron microscopy, assessment of in vitro release of curcumin and Ag+, testing of mechanical strength, flexibility, water absorption and biodegradability. In addition, the antioxidant, antibacterial and anti-inflammatory properties of the membranes were evaluated in vitro, and the ability of the membranes to heal wounds was tested in vivo using diabetic mice. Results Loose hydrophilic nanofibrous membranes with uniform fibre sizes were prepared through air-jet spinning. The membranes enabled the efficient and sustained release of curcumin. More importantly, antibacterial AgNPs were successfully reduced in situ from AgNO3. The incorporation of AgNPs endowed the membrane with superior antibacterial activity, and the bioactivities of curcumin and the AgNPs gave the membrane efficient ROS scavenging and immunomodulatory effects, which protected cells from oxidative damage and reduced inflammation. Further results from animal studies indicated that the PLLA/C/Ag membranes had the most efficient wound healing properties, which were achieved by stimulating angiogenesis and collagen deposition and inhibiting inflammation. Conclusions In this research, we successfully fabricated PLLA/C/Ag membranes that possess properties of antioxidants, antibacterial agents and anti-inflammatory agents, which can aid in the process of wound healing. Modulating wound inflammation, these new PLLA/C/Ag membranes serve as a novel dressing to enhance the healing of diabetic wounds.
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Affiliation(s)
- Yan Wu
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
| | - Jin Zhang
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
- Clinical Laboratory, Zhejiang Medical & Health Group Quzhou Hospital, 62 Wenchang Road, Kecheng District, Quzhou 324004, China
| | - Anqi Lin
- The Key Laboratory for Ultrafine Materials of Ministry of Education, State Key Laboratory of Bioreactor Engineering, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Lingyun Street, Xuhui District, Shanghai 200237, China
| | - Tinglin Zhang
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai 200433, China
| | - Yong Liu
- Scientific Research Sharing Platform, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
| | - Chunlei Zhang
- Scientific Research Sharing Platform, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
| | - Yongkui Yin
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
| | - Ran Guo
- Department of Physiology, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
| | - Jie Gao
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, 168 Changhai Road, Yangpu District, Shanghai 200433, China
| | - Yulin Li
- The Key Laboratory for Ultrafine Materials of Ministry of Education, State Key Laboratory of Bioreactor Engineering, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Lingyun Street, Xuhui District, Shanghai 200237, China
| | - Yanhui Chu
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, 3 Tongxiang Street, Aimin District, Mudanjiang 157011, China
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Chen Y, Luo Z, Meng W, Liu K, Chen Q, Cai Y, Ding Z, Huang C, Zhou Z, Jiang M, Zhou L. Decoding the "Fingerprint" of Implant Materials: Insights into the Foreign Body Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310325. [PMID: 38191783 DOI: 10.1002/smll.202310325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/12/2023] [Indexed: 01/10/2024]
Abstract
Foreign body reaction (FBR) is a prevalent yet often overlooked pathological phenomenon, particularly within the field of biomedical implantation. The presence of FBR poses a heavy burden on both the medical and socioeconomic systems. This review seeks to elucidate the protein "fingerprint" of implant materials, which is generated by the physiochemical properties of the implant materials themselves. In this review, the activity of macrophages, the formation of foreign body giant cells (FBGCs), and the development of fibrosis capsules in the context of FBR are introduced. Additionally, the relationship between various implant materials and FBR is elucidated in detail, as is an overview of the existing approaches and technologies employed to alleviate FBR. Finally, the significance of implant components (metallic materials and non-metallic materials), surface CHEMISTRY (charge and wettability), and physical characteristics (topography, roughness, and stiffness) in establishing the protein "fingerprint" of implant materials is also well documented. In conclusion, this review aims to emphasize the importance of FBR on implant materials and provides the current perspectives and approaches in developing implant materials with anti-FBR properties.
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Affiliation(s)
- Yangmengfan Chen
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zeyu Luo
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Weikun Meng
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Kai Liu
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qiqing Chen
- Department of Ultrasound, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, 570311, China
| | - Yongrui Cai
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zichuan Ding
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chao Huang
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zongke Zhou
- Orthopedic Research Institution, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Meng Jiang
- Emergency and Trauma Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Liqiang Zhou
- MOE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, University of Macau, Macau SAR, 999078, China
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Sun A, Xing Z, Lv R, Niu P, Zhao B, Ma S, Li H. Research progress of immunotherapy for advanced head and neck cancer. Med Oncol 2024; 41:133. [PMID: 38703250 DOI: 10.1007/s12032-024-02375-9] [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: 02/01/2024] [Accepted: 03/28/2024] [Indexed: 05/06/2024]
Abstract
Head and neck cancer accounts for about one-fifth of all malignant tumors, and the incidence is increasing year by year. The overall mortality rate was high and the 5-year survival rate was low. At present, the combination of surgery, radiotherapy, and chemotherapy is the main treatment in clinical practice, but the treatment of recurrent or metastatic advanced head and neck cancer is still a challenge. With the rise of immunotherapy, more and more studies on immune checkpoint inhibitors have been conducted. This review summarizes the mechanism, clinical application and safety of immunotherapy for advanced head and neck cancer.
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Affiliation(s)
- Anchi Sun
- Department of Otolaryngology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China
- Anhui Engineering Technology Research Center of Biochemical Pharmaceutical, 2600 Donghai Avenue, Bengbu, 233030, Anhui, China
| | - Zhiwei Xing
- Department of Otolaryngology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China
| | - Rongrong Lv
- Department of Otolaryngology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China
| | - Pengyuan Niu
- Department of Neurosurgery, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China
| | - Bao Zhao
- Department of Otolaryngology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China
- Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei, 230071, Anhui, China
| | - Shiyin Ma
- Department of Otolaryngology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China.
| | - Hui Li
- Department of Otolaryngology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, 233004, Anhui, China.
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Abreu H, Lallukka M, Miola M, Spriano S, Vernè E, Raineri D, Leigheb M, Ronga M, Cappellano G, Chiocchetti A. Human T-Cell Responses to Metallic Ion-Doped Bioactive Glasses. Int J Mol Sci 2024; 25:4501. [PMID: 38674086 PMCID: PMC11050560 DOI: 10.3390/ijms25084501] [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: 03/15/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Biomaterials are extensively used as replacements for damaged tissue with bioactive glasses standing out as bone substitutes for their intrinsic osteogenic properties. However, biomaterial implantation has the following risks: the development of implant-associated infections and adverse immune responses. Thus, incorporating metallic ions with known antimicrobial properties can prevent infection, but should also modulate the immune response. Therefore, we selected silver, copper and tellurium as doping for bioactive glasses and evaluated the immunophenotype and cytokine profile of human T-cells cultured on top of these discs. Results showed that silver significantly decreased cell viability, copper increased the T helper (Th)-1 cell percentage while decreasing that of Th17, while tellurium did not affect either cell viability or immune response, as evaluated via multiparametric flow cytometry. Multiplex cytokines assay showed that IL-5 levels were decreased in the copper-doped discs, compared with its undoped control, while IL-10 tended to be lower in the doped glass, compared with the control (plastic) while undoped condition showed lower expression of IL-13 and increased MCP-1 and MIP-1β secretion. Overall, we hypothesized that the Th1/Th17 shift, and specific cytokine expression indicated that T-cells might cross-activate other cell types, potentially macrophages and eosinophils, in response to the scaffolds.
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Affiliation(s)
- Hugo Abreu
- Department of Health Sciences, Interdisciplinary Research Center of Autoimmune Diseases-IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy; (H.A.); (D.R.); (M.L.); (M.R.); (A.C.)
- Center for Translational Research on Autoimmune and Allergic Diseases-CAAD, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Mari Lallukka
- Applied Science and Technology Department, Politecnico di Torino, 10129 Torino, Italy; (M.L.); (M.M.); (S.S.); (E.V.)
| | - Marta Miola
- Applied Science and Technology Department, Politecnico di Torino, 10129 Torino, Italy; (M.L.); (M.M.); (S.S.); (E.V.)
| | - Silvia Spriano
- Applied Science and Technology Department, Politecnico di Torino, 10129 Torino, Italy; (M.L.); (M.M.); (S.S.); (E.V.)
| | - Enrica Vernè
- Applied Science and Technology Department, Politecnico di Torino, 10129 Torino, Italy; (M.L.); (M.M.); (S.S.); (E.V.)
| | - Davide Raineri
- Department of Health Sciences, Interdisciplinary Research Center of Autoimmune Diseases-IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy; (H.A.); (D.R.); (M.L.); (M.R.); (A.C.)
- Center for Translational Research on Autoimmune and Allergic Diseases-CAAD, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Massimiliano Leigheb
- Department of Health Sciences, Interdisciplinary Research Center of Autoimmune Diseases-IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy; (H.A.); (D.R.); (M.L.); (M.R.); (A.C.)
- Orthopaedics and Traumatology Unit, “Maggiore della Carità” Hospital, 28100 Novara, Italy
| | - Mario Ronga
- Department of Health Sciences, Interdisciplinary Research Center of Autoimmune Diseases-IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy; (H.A.); (D.R.); (M.L.); (M.R.); (A.C.)
- Orthopaedics and Traumatology Unit, “Maggiore della Carità” Hospital, 28100 Novara, Italy
| | - Giuseppe Cappellano
- Department of Health Sciences, Interdisciplinary Research Center of Autoimmune Diseases-IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy; (H.A.); (D.R.); (M.L.); (M.R.); (A.C.)
- Center for Translational Research on Autoimmune and Allergic Diseases-CAAD, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Annalisa Chiocchetti
- Department of Health Sciences, Interdisciplinary Research Center of Autoimmune Diseases-IRCAD, Università del Piemonte Orientale, 28100 Novara, Italy; (H.A.); (D.R.); (M.L.); (M.R.); (A.C.)
- Center for Translational Research on Autoimmune and Allergic Diseases-CAAD, Università del Piemonte Orientale, 28100 Novara, Italy
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Liu C, Yan Z, Yang J, Wei P, Zhang D, Wang Q, Zhang X, Hao Y, Yang D. Corrosion and Biological Behaviors of Biomedical Ti-24Nb-4Zr-8Sn Alloy under an Oxidative Stress Microenvironment. ACS APPLIED MATERIALS & INTERFACES 2024; 16:18503-18521. [PMID: 38570902 DOI: 10.1021/acsami.4c00562] [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: 04/05/2024]
Abstract
Biomaterials can induce an inflammatory response in surrounding tissues after implantation, generating and releasing reactive oxygen species (ROS), such as hydrogen peroxide (H2O2). The excessive accumulation of ROS may create a microenvironment with high levels of oxidative stress (OS), which subsequently accelerates the degradation of the passive film on the surface of titanium (Ti) alloys and affects their biological activity. The immunomodulatory role of macrophages in biomaterial osteogenesis under OS is unknown. This study aimed to explore the corrosion behavior and bone formation of Ti implants under an OS microenvironment. In this study, the corrosion resistance and osteoinduction capabilities in normal and OS conditions of the Ti-24Nb-4Zr-8Sn (wt %, Ti2448) were assessed. Electrochemical impedance spectroscopy analysis indicated that the Ti2448 alloy exhibited superior corrosion resistance on exposure to excessive ROS compared to the Ti-6Al-4V (TC4) alloy. This can be attributed to the formation of the TiO2 and Nb2O5 passive films, which mitigated the adverse effects of OS. In vitro MC3T3-E1 cell experiments revealed that the Ti2448 alloy exhibited good biocompatibility in the OS microenvironment, whereas the osteogenic differentiation level was comparable to that of the TC4 alloy. The Ti2448 alloy significantly alleviates intercellular ROS levels, inducing a higher proportion of M2 phenotypes (52.7%) under OS. Ti2448 alloy significantly promoted the expression of the anti-inflammatory cytokine, interleukin 10 (IL-10), and osteoblast-related cytokines, bone morphogenetic protein 2 (BMP-2), which relatively increased by 26.9 and 31.4%, respectively, compared to TC4 alloy. The Ti2448 alloy provides a favorable osteoimmune environment and significantly promotes the proliferation and differentiation of osteoblasts in vitro compared to the TC4 alloy. Ultimately, the Ti2448 alloy demonstrated excellent corrosion resistance and immunomodulatory properties in an OS microenvironment, providing valuable insights into potential clinical applications as implants to repair bone tissue defects.
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Affiliation(s)
- Chang Liu
- School of Stomatology, Jiamusi University, Jiamusi, Heilongjiang 154004, People's Republic of China
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning 110001, People's Republic of China
| | - Zenglong Yan
- Liaoning People's Hospital, 33 Wenyi Road, Shenyang, Liaoning 110013, People's Republic of China
| | - Jun Yang
- School of Stomatology, Jiamusi University, Jiamusi, Heilongjiang 154004, People's Republic of China
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning 110001, People's Republic of China
| | - Penggong Wei
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning 110001, People's Republic of China
| | - Dan Zhang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning 110001, People's Republic of China
| | - Qiang Wang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning 110001, People's Republic of China
| | - Xing Zhang
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, People's Republic of China
| | - Yulin Hao
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, People's Republic of China
| | - Donghong Yang
- School of Stomatology, Jiamusi University, Jiamusi, Heilongjiang 154004, People's Republic of China
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Ju CC, Liu XX, Liu LH, Guo N, Guan LW, Wu JX, Liu DW. Epigenetic modification: A novel insight into diabetic wound healing. Heliyon 2024; 10:e28086. [PMID: 38533007 PMCID: PMC10963386 DOI: 10.1016/j.heliyon.2024.e28086] [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: 07/05/2023] [Revised: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
Wound healing is an intricate and fine regulatory process. In diabetic patients, advanced glycation end products (AGEs), excessive reactive oxygen species (ROS), biofilm formation, persistent inflammation, and angiogenesis regression contribute to delayed wound healing. Epigenetics, the fast-moving science in the 21st century, has been up to date and associated with diabetic wound repair. In this review, we go over the functions of epigenetics in diabetic wound repair in retrospect, covering transcriptional and posttranscriptional regulation. Among these, we found that histone modification is widely involved in inflammation and angiogenesis by affecting macrophages and endothelial cells. DNA methylation is involved in factors regulation in wound repair but also affects the differentiation phenotype of cells in hyperglycemia. In addition, noncodingRNA regulation and RNA modification in diabetic wound repair were also generalized. The future prospects for epigenetic applications are discussed in the end. In conclusion, the study suggests that epigenetics is an integral regulatory mechanism in diabetic wound healing.
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Affiliation(s)
- Cong-Cong Ju
- Medical Center of Burn Plastic and Wound Repair, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, PR China
- Huankui Academy, Nanchang University, Nanchang, Jiangxi, PR China
| | - Xiao-Xiao Liu
- Medical Center of Burn Plastic and Wound Repair, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, PR China
| | - Li-hua Liu
- Huankui Academy, Nanchang University, Nanchang, Jiangxi, PR China
| | - Nan Guo
- Nanchang University, Nanchang, Jiangxi, PR China
| | - Le-wei Guan
- Huankui Academy, Nanchang University, Nanchang, Jiangxi, PR China
| | - Jun-xian Wu
- Nanchang University, Nanchang, Jiangxi, PR China
| | - De-Wu Liu
- Medical Center of Burn Plastic and Wound Repair, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, PR China
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He Y, Cen Y, Tian M. Immunomodulatory hydrogels for skin wound healing: cellular targets and design strategy. J Mater Chem B 2024; 12:2435-2458. [PMID: 38284157 DOI: 10.1039/d3tb02626d] [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: 01/30/2024]
Abstract
Skin wounds significantly impact the global health care system and represent a significant burden on the economy and society due to their complicated dynamic healing processes, wherein a series of immune events are required to coordinate normal and sequential healing phases, involving multiple immunoregulatory cells such as neutrophils, macrophages, keratinocytes, and fibroblasts, since dysfunction of these cells may impede skin wound healing presenting persisting inflammation, impaired vascularization, and excessive collagen deposition. Therefore, cellular target-based immunomodulation is promising to promote wound healing as cells are the smallest unit of life in immune response. Recently, immunomodulatory hydrogels have become an attractive avenue to promote skin wound healing. However, a detailed and comprehensive review of cellular targets and related hydrogel design strategies remains lacking. In this review, the roles of the main immunoregulatory cells participating in skin wound healing are first discussed, and then we highlight the cellular targets and state-of-the-art design strategies for immunomodulatory hydrogels based on immunoregulatory cells that cover defect, infected, diabetic, burn and tumor wounds and related scar healing. Finally, we discuss the barriers that need to be addressed and future prospects to boost the development and prosperity of immunomodulatory hydrogels.
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Affiliation(s)
- Yinhai He
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ying Cen
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Meng Tian
- Department of Neurosurgery and Neurosurgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, 610041, China.
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Wu Y, Li L, Ning Z, Li C, Yin Y, Chen K, Li L, Xu F, Gao J. Autophagy-modulating biomaterials: multifunctional weapons to promote tissue regeneration. Cell Commun Signal 2024; 22:124. [PMID: 38360732 PMCID: PMC10868121 DOI: 10.1186/s12964-023-01346-3] [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: 08/24/2023] [Accepted: 09/29/2023] [Indexed: 02/17/2024] Open
Abstract
Autophagy is a self-renewal mechanism that maintains homeostasis and can promote tissue regeneration by regulating inflammation, reducing oxidative stress and promoting cell differentiation. The interaction between biomaterials and tissue cells significantly affects biomaterial-tissue integration and tissue regeneration. In recent years, it has been found that biomaterials can affect various processes related to tissue regeneration by regulating autophagy. The utilization of biomaterials in a controlled environment has become a prominent approach for enhancing the tissue regeneration capabilities. This involves the regulation of autophagy in diverse cell types implicated in tissue regeneration, encompassing the modulation of inflammatory responses, oxidative stress, cell differentiation, proliferation, migration, apoptosis, and extracellular matrix formation. In addition, biomaterials possess the potential to serve as carriers for drug delivery, enabling the regulation of autophagy by either activating or inhibiting its processes. This review summarizes the relationship between autophagy and tissue regeneration and discusses the role of biomaterial-based autophagy in tissue regeneration. In addition, recent advanced technologies used to design autophagy-modulating biomaterials are summarized, and rational design of biomaterials for providing controlled autophagy regulation via modification of the chemistry and surface of biomaterials and incorporation of cells and molecules is discussed. A better understanding of biomaterial-based autophagy and tissue regeneration, as well as the underlying molecular mechanisms, may lead to new possibilities for promoting tissue regeneration. Video Abstract.
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Affiliation(s)
- Yan Wu
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Luxin Li
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Zuojun Ning
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Changrong Li
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Yongkui Yin
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Kaiyuan Chen
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Lu Li
- Department of plastic surgery, Naval Specialty Medical Center of PLA, Shanghai, 200052, China.
| | - Fei Xu
- Department of plastic surgery, Naval Specialty Medical Center of PLA, Shanghai, 200052, China.
| | - Jie Gao
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
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Wu X, Zhang F, Mao X, Xu F, Ding X, Sun X, Wang J. The mechanism of adipose mesenchymal stem cells to stabilize the immune microenvironment of pelvic floor injury by regulating pyroptosis and promoting tissue repair. Mater Today Bio 2024; 24:100910. [PMID: 38204481 PMCID: PMC10776425 DOI: 10.1016/j.mtbio.2023.100910] [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: 07/26/2023] [Revised: 11/19/2023] [Accepted: 12/09/2023] [Indexed: 01/12/2024] Open
Abstract
Pelvic organ prolapse (POP) has a high incidence rate among Chinese women. Repeated mechanical stimulation is an important factor causing POP, but the injury mechanism has not yet been elucidated. The purpose of this study is to explore the related mechanisms of pelvic floor supporting tissue damage caused by mechanical force and the application of stem cell therapy. First, we obtained vaginal wall and sacral ligament tissue samples from clinical patients for examination. Pelvic floor support tissues of POP patients displayed high expression of inflammation and immune disorders. Then, we constructed a rat model of childbirth injury. In vivo and in vitro experiments investigated the key mechanism of pelvic floor support tissue injury caused by mechanical force. We discovered that after mechanical force, a large number of reactive oxygen species (ROS) and macrophages rapidly accumulated in pelvic floor tissues. ROS stimulated macrophages to produce NLRP3 inflammatory complex, induced the release of interleukin (IL-1β) and pyroptosis and exacerbated the inflammatory state of damaged tissues, persisting chronic inflammation of fibroblasts in supporting tissues, thus causing the pelvic floor's extracellular matrix (ECM) collagen metabolic disorder. Resultingly impeding the repair process, thereby causing the onset and progression of the disease. Through their paracrine ability, we discovered that adipose mesenchymal stem cells (ADSCs) could inhibit this series of pathological processes and promote tissue repair, asserting a good therapeutic effect. Simultaneously, to overcome the low cell survival rate and poor therapeutic effect of directly injecting cells, we developed a ROS-responsive PVA@COLI hydrogel with ADSCs. The ROS-scavenging properties of the gel could reshape the site of inflammation injury, enhance cell survival, and play a role in subsequent treatment. The findings of this study could serve as a basis for early, targeted intervention therapy for POP and representing a promising approach.
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Affiliation(s)
- Xiaotong Wu
- Department of Obstetrics and Gynecology, Peking University People's Hospital, 100044, Beijing, China
- Beijing Key Laboratory of Female Pelvic Floor Disorders, 100044, Beijing, China
| | - Fengshi Zhang
- Department of Orthopedics and Trauma, Peking University People's Hospital, 100044, Beijing, China
| | - Xiaolin Mao
- College of Materials Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, China
| | - Fujian Xu
- College of Materials Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, China
| | - Xiaokang Ding
- College of Materials Science and Engineering, Beijing University of Chemical Technology, 100029, Beijing, China
| | - Xiuli Sun
- Department of Obstetrics and Gynecology, Peking University People's Hospital, 100044, Beijing, China
- Beijing Key Laboratory of Female Pelvic Floor Disorders, 100044, Beijing, China
| | - Jianliu Wang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, 100044, Beijing, China
- Beijing Key Laboratory of Female Pelvic Floor Disorders, 100044, Beijing, China
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11
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Bai L, Song P, Su J. Bioactive elements manipulate bone regeneration. BIOMATERIALS TRANSLATIONAL 2023; 4:248-269. [PMID: 38282709 PMCID: PMC10817798 DOI: 10.12336/biomatertransl.2023.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/21/2023] [Accepted: 12/08/2023] [Indexed: 01/30/2024]
Abstract
While bone tissue is known for its inherent regenerative abilities, various pathological conditions and trauma can disrupt its meticulously regulated processes of bone formation and resorption. Bone tissue engineering aims to replicate the extracellular matrix of bone tissue as well as the sophisticated biochemical mechanisms crucial for effective regeneration. Traditionally, the field has relied on external agents like growth factors and pharmaceuticals to modulate these processes. Although efficacious in certain scenarios, this strategy is compromised by limitations such as safety issues and the transient nature of the compound release and half-life. Conversely, bioactive elements such as zinc (Zn), magnesium (Mg) and silicon (Si), have garnered increasing interest for their therapeutic benefits, superior stability, and reduced biotic risks. Moreover, these elements are often incorporated into biomaterials that function as multifaceted bioactive components, facilitating bone regeneration via release on-demand. By elucidating the mechanistic roles and therapeutic efficacy of the bioactive elements, this review aims to establish bioactive elements as a robust and clinically viable strategy for advanced bone regeneration.
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Affiliation(s)
- Long Bai
- Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, China
- Department of Orthopedics, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
| | - Peiran Song
- Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
| | - Jiacan Su
- Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, China
- Department of Orthopedics, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
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12
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Zhang Y, Wei J, Yu X, Chen L, Ren R, Dong Y, Wang S, Zhu M, Ming N, zhu Z, Gao C, Xiong W. CXCL chemokines-mediated communication between macrophages and BMSCs on titanium surface promotes osteogenesis via the actin cytoskeleton pathway. Mater Today Bio 2023; 23:100816. [PMID: 37859997 PMCID: PMC10582501 DOI: 10.1016/j.mtbio.2023.100816] [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: 06/10/2023] [Revised: 09/06/2023] [Accepted: 09/22/2023] [Indexed: 10/21/2023] Open
Abstract
The refined functional cell subtypes in the immune microenvironment of specific titanium (Ti) surface and their collaborative role in promoting bone marrow mesenchymal stem cells (BMSCs) driven bone integration need to be comprehensively characterized. This study employed a simplified co-culture system to investigate the dynamic, temporal crosstalk between macrophages and BMSCs on the Ti surface. The M2-like sub-phenotype of macrophages, characterized by secretion of CXCL chemokines, emerges as a crucial mediator for promoting BMSC osteogenic differentiation and bone integration in the Ti surface microenvironment. Importantly, these two cells maintain their distinct functional phenotypes through a mutually regulatory interplay. The secretion of CXCL3, CXCL6, and CXCL14 by M2-like macrophages plays a pivotal role. The process activates CXCR2 and CCR1 receptors, triggering downstream regulatory effects on the actin cytoskeleton pathway within BMSCs, ultimately fostering osteogenic differentiation. Reciprocally, BMSCs secrete pleiotrophin (PTN), a key player in regulating macrophage differentiation. This secretion maintains the M2-like phenotype via the Sdc3 receptor-mediated cell adhesion molecules pathway. Our findings provide a novel insight into the intricate communication and mutual regulatory mechanisms operating between BMSCs and macrophages on the Ti surface, highlight specific molecular events governing cell-cell interactions in the osteointegration, inform the surface design of orthopedic implants, and advance our understanding of osteointegration.
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Affiliation(s)
- Yayun Zhang
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
- Trauma Center/Department of Emergency and Trauma Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Jiemao Wei
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Xingbang Yu
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Liangxi Chen
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Ranyue Ren
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Yimin Dong
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Sibo Wang
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Meipeng Zhu
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Nannan Ming
- The State Key Laboratory of Refractories and Metallurgy Institute of Advanced Materials and Nanotechnology Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Ziwei zhu
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Chenghao Gao
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
| | - Wei Xiong
- Department of Orthopedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, 1095 Jiefang Avenue, Wuhan, Hubei, 430030, China
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13
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Luo Y, Liu H, Zhang Y, Liu Y, Liu S, Liu X, Luo E. Metal ions: the unfading stars of bone regeneration-from bone metabolism regulation to biomaterial applications. Biomater Sci 2023; 11:7268-7295. [PMID: 37800407 DOI: 10.1039/d3bm01146a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
In recent years, bone regeneration has emerged as a remarkable field that offers promising guidance for treating bone-related diseases, such as bone defects, bone infections, and osteosarcoma. Among various bone regeneration approaches, the metal ion-based strategy has surfaced as a prospective candidate approach owing to the extensive regulatory role of metal ions in bone metabolism and the diversity of corresponding delivery strategies. Various metal ions can promote bone regeneration through three primary strategies: balancing the effects of osteoblasts and osteoclasts, regulating the immune microenvironment, and promoting bone angiogenesis. In the meantime, the complex molecular mechanisms behind these strategies are being consistently explored. Moreover, the accelerated development of biomaterials broadens the prospect of metal ions applied to bone regeneration. This review highlights the potential of metal ions for bone regeneration and their underlying mechanisms. We propose that future investigations focus on refining the clinical utilization of metal ions using both mechanistic inquiry and materials engineering to bolster the clinical effectiveness of metal ion-based approaches for bone regeneration.
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Affiliation(s)
- Yankun Luo
- 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 610041, Sichuan, China
| | - Hanghang 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 610041, Sichuan, China
- Department of Emergency, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Nanlu, Chengdu, Sichuan, 610041, People's Republic of China
| | - Yaowen Zhang
- 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 610041, Sichuan, China
| | - Yao 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 610041, Sichuan, China
- Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Shibo 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 610041, Sichuan, China
- Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Xian 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 610041, Sichuan, China
- Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - En Luo
- 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 610041, Sichuan, China
- Department of Oral Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
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14
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Lukin I, Erezuma I, Desimone MF, Zhang YS, Dolatshahi-Pirouz A, Orive G. Nanomaterial-based drug delivery of immunomodulatory factors for bone and cartilage tissue engineering. BIOMATERIALS ADVANCES 2023; 154:213637. [PMID: 37778293 DOI: 10.1016/j.bioadv.2023.213637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/06/2023] [Accepted: 09/20/2023] [Indexed: 10/03/2023]
Abstract
As life expectancy continues to increase, so do disorders related to the musculoskeletal system. Orthopedics-related impairments remain a challenge, with nearly 325 thousand and 120 thousand deaths recorded in 2019. Musculoskeletal system, including bone and cartilage tissue, is a living system in which cells constantly interact with the immune system, which plays a key role in the tissue repair process. An alternative to bridge the gap between these two systems is exploiting nanomaterials, as they have proven to serve as delivery agents of an array of molecules, including immunomodulatory agents (anti-inflammatory drugs, cytokines), as well as having the ability to mimic tissue by their nanoscopic structure and promote tissue repair per se. Therefore, this review outlooks nanomaterials and immunomodulatory factors widely employed in the area of bone and cartilage tissue engineering. Emerging developments in nanomaterials for delivery of immunomodulatory agents for bone and cartilage tissue engineering applications have also been discussed. It can be concluded that latest progress in nanotechnology have enabled to design intricate systems with the ability to deliver biologically active agents, promoting tissue repair and regeneration; thus, nanomaterials studied herein have shown great potential to serve as immunomodulatory agents in the area of tissue engineering.
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Affiliation(s)
- Izeia Lukin
- NanoBioCel Research Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain
| | - Itsasne Erezuma
- NanoBioCel Research Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain
| | - Martin F Desimone
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | | | - Gorka Orive
- NanoBioCel Research Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain; University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria 01007, Spain; Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower, Singapore 169856, Singapore.
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15
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Bi J, Mo C, Li S, Huang M, Lin Y, Yuan P, Liu Z, Jia B, Xu S. Immunotoxicity of metal and metal oxide nanoparticles: from toxic mechanisms to metabolism and outcomes. Biomater Sci 2023. [PMID: 37161951 DOI: 10.1039/d3bm00271c] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The influence of metal and metal oxide nanomaterials on various fields since their discovery has been remarkable. They have unique properties, and therefore, have been employed in specific applications, including biomedicine. However, their potential health risks cannot be ignored. Several studies have shown that exposure to metal and metal oxide nanoparticles can lead to immunotoxicity. Different types of metals and metal oxide nanoparticles may have a negative impact on the immune system through various mechanisms, such as inflammation, oxidative stress, autophagy, and apoptosis. As an essential factor in determining the function and fate of immune cells, immunometabolism may also be an essential target for these nanoparticles to exert immunotoxic effects in vivo. In addition, the biodegradation and metabolic outcomes of metal and metal oxide nanoparticles are also important considerations in assessing their immunotoxic effects. Herein, we focus on the cellular mechanism of the immunotoxic effects and toxic effects of different types of metal and metal oxide nanoparticles, as well as the metabolism and outcomes of these nanoparticles in vivo. Also, we discuss the relationship between the possible regulatory effect of nanoparticles on immunometabolism and their immunotoxic effects. Finally, we present perspectives on the future research and development direction of metal and metal oxide nanomaterials to promote scientific research on the health risks of nanomaterials and reduce their adverse effects on human health.
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Affiliation(s)
- Jiaming Bi
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Chuzi Mo
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Siwei Li
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Mingshu Huang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Yunhe Lin
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Peiyan Yuan
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Zhongjun Liu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Bo Jia
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
| | - Shuaimei Xu
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
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16
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Makvandi P, Song H, Yiu CKY, Sartorius R, Zare EN, Rabiee N, Wu WX, Paiva-Santos AC, Wang XD, Yu CZ, Tay FR. Bioengineered materials with selective antimicrobial toxicity in biomedicine. Mil Med Res 2023; 10:8. [PMID: 36829246 PMCID: PMC9951506 DOI: 10.1186/s40779-023-00443-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 01/31/2023] [Indexed: 02/26/2023] Open
Abstract
Fungi and bacteria afflict humans with innumerous pathogen-related infections and ailments. Most of the commonly employed microbicidal agents target commensal and pathogenic microorganisms without discrimination. To distinguish and fight the pathogenic species out of the microflora, novel antimicrobials have been developed that selectively target specific bacteria and fungi. The cell wall features and antimicrobial mechanisms that these microorganisms involved in are highlighted in the present review. This is followed by reviewing the design of antimicrobials that selectively combat a specific community of microbes including Gram-positive and Gram-negative bacterial strains as well as fungi. Finally, recent advances in the antimicrobial immunomodulation strategy that enables treating microorganism infections with high specificity are reviewed. These basic tenets will enable the avid reader to design novel approaches and compounds for antibacterial and antifungal applications.
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Affiliation(s)
- Pooyan Makvandi
- Istituto Italiano di Tecnologia, Centre for Materials Interfaces, Pontedera, 56025, Italy. .,The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, 324000, Zhejiang, China.
| | - Hao Song
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Cynthia K Y Yiu
- Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong SAR, China
| | - Rossella Sartorius
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), 80131, Naples, Italy
| | | | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia.,Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA, 6150, Australia
| | - Wei-Xi Wu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Ana Cláudia Paiva-Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, 3000-548, Coimbra, Portugal.,REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Xiang-Dong Wang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University Shanghai Medical College, Shanghai, 200032, China
| | - Cheng-Zhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia.,School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China
| | - Franklin R Tay
- The Graduate School, Augusta University, Augusta, GA, 30912, USA.
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17
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Dong J, Wang W, Zhou W, Zhang S, Li M, Li N, Pan G, Zhang X, Bai J, Zhu C. Immunomodulatory biomaterials for implant-associated infections: from conventional to advanced therapeutic strategies. Biomater Res 2022; 26:72. [PMID: 36471454 PMCID: PMC9721013 DOI: 10.1186/s40824-022-00326-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/19/2022] [Indexed: 12/11/2022] Open
Abstract
Implant-associated infection (IAI) is increasingly emerging as a serious threat with the massive application of biomaterials. Bacteria attached to the surface of implants are often difficult to remove and exhibit high resistance to bactericides. In the quest for novel antimicrobial strategies, conventional antimicrobial materials often fail to exert their function because they tend to focus on direct bactericidal activity while neglecting the modulation of immune systems. The inflammatory response induced by host immune cells was thought to be a detrimental force impeding wound healing. However, the immune system has recently received increasing attention as a vital player in the host's defense against infection. Anti-infective strategies based on the modulation of host immune defenses are emerging as a field of interest. This review explains the importance of the immune system in combating infections and describes current advanced immune-enhanced anti-infection strategies. First, the characteristics of traditional/conventional implant biomaterials and the reasons for the difficulty of bacterial clearance in IAI were reviewed. Second, the importance of immune cells in the battle against bacteria is elucidated. Then, we discuss how to design biomaterials that activate the defense function of immune cells to enhance the antimicrobial potential. Based on the key premise of restoring proper host-protective immunity, varying advanced immune-enhanced antimicrobial strategies were discussed. Finally, current issues and perspectives in this field were offered. This review will provide scientific guidance to enhance the development of advanced anti-infective biomaterials.
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Affiliation(s)
- Jiale Dong
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
| | - Wenzhi Wang
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
| | - Wei Zhou
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
| | - Siming Zhang
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
| | - Meng Li
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China ,grid.263761.70000 0001 0198 0694Medical College, Soochow University, 215006 Suzhou, Jiangsu P. R. China
| | - Ning Li
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
| | - Guoqing Pan
- grid.440785.a0000 0001 0743 511XInstitute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, 212013 Zhenjiang, China
| | - Xianzuo Zhang
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
| | - Jiaxiang Bai
- grid.263761.70000 0001 0198 0694Medical College, Soochow University, 215006 Suzhou, Jiangsu P. R. China
| | - Chen Zhu
- grid.411395.b0000 0004 1757 0085Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, 230001 Hefei, Anhui P. R. China
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18
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Zhang Q, Yu S, Hu M, Liu Z, Yu P, Li C, Zhang X. Antibacterial and Anti-Inflammatory Properties of Peptide KN-17. Microorganisms 2022; 10:2114. [PMID: 36363705 PMCID: PMC9699635 DOI: 10.3390/microorganisms10112114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/23/2022] [Accepted: 10/23/2022] [Indexed: 08/02/2023] Open
Abstract
Peri-implantitis, an infectious disease originating from dental biofilm that forms around dental implants, which causes the loss of both osseointegration and bone tissue. KN-17, a truncated cecropin B peptide, demonstrated efficacy against certain bacterial strains associated with peri-implantitis. This study aimed to assess the antibacterial and anti-inflammatory properties and mechanisms of KN-17. The effects of KN-17 on oral pathogenic bacteria were assessed by measuring its minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). Moreover, the cytotoxicity and anti-inflammatory effects of KN-17 were evaluated. KN-17 inhibited the growth of Streptococcus gordonii and Fusobacterium nucleatum during in vitro biofilm formation and possessed low toxicity to hBMSCs cells. KN-17 also caused RAW264.7 macrophages to transform from M1 to M2 by downregulating pro-inflammatory and upregulating anti-inflammatory factors. It inhibited the NF-κB signaling pathway by reducing IκBα and P65 protein phosphorylation while promoting IκBα degradation and nuclear P65 translocation. KN-17 might be an efficacious prophylaxis against peri-implant inflammation.
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Affiliation(s)
- Qian Zhang
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, Tianjin 300070, China
| | - Shuipeng Yu
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, Tianjin 300070, China
| | - Meilin Hu
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, Tianjin 300070, China
| | - Zhiyang Liu
- College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Tianjin 300350, China
| | - Pei Yu
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, 39 Huangsha Avenue, Guangzhou 510150, China
| | - Changyi Li
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, Tianjin 300070, China
| | - Xi Zhang
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, Tianjin 300070, China
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19
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Xu J, Chen H, Qian H, Wang F, Xu Y. Advances in the modulation of ROS and transdermal administration for anti-psoriatic nanotherapies. J Nanobiotechnology 2022; 20:448. [PMID: 36242051 PMCID: PMC9569062 DOI: 10.1186/s12951-022-01651-y] [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: 08/11/2022] [Accepted: 09/29/2022] [Indexed: 11/17/2022] Open
Abstract
Reactive oxygen species (ROS) at supraphysiological concentration have a determinate role in contributing to immuno-metabolic disorders in the epithelial immune microenvironment (EIME) of psoriatic lesions. With an exclusive focus on the gene-oxidative stress environment interaction in the EIME, a comprehensive strategy based on ROS-regulating nanomedicines is greatly anticipated to become the mainstay of anti-psoriasis treatment. This potential therapeutic modality could inhibit the acceleration of psoriasis via remodeling the redox equilibrium and reshaping the EIME. Herein, we present a marked overview of the current progress in the pathomechanisms of psoriasis, with particular concerns on the potential pathogenic role of ROS, which significantly dysregulates redox metabolism of keratinocytes (KCs) and skin-resident or -infiltrating cells. Meanwhile, the emergence of versatile nanomaterial-guided evolution for transdermal drug delivery has been attractive for the percutaneous administration of antipsoriatic therapies in recent years. We emphasize the underlying molecular mechanism of ROS-based nanoreactors for improved therapeutic outcomes against psoriasis and summarize up-to-date progress relating to the advantages and limitations of nanotherapeutic application for transdermal administration, as well as update an insight into potential future directions for nanotherapies in ROS-related skin diseases.
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Affiliation(s)
- Jiangmei Xu
- Department of Dermatovenerology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, People's Republic of China.,Department of Dermatology and Rheumatology Immunology, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Hao Chen
- School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui, People's Republic of China
| | - Haisheng Qian
- School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, Anhui, People's Republic of China.
| | - Fei Wang
- Center for Digestive Disease, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, People's Republic of China.
| | - Yunsheng Xu
- Department of Dermatovenerology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, People's Republic of China.
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20
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Zhao T, Chu Z, Ma J, Ouyang L. Immunomodulation Effect of Biomaterials on Bone Formation. J Funct Biomater 2022; 13:jfb13030103. [PMID: 35893471 PMCID: PMC9394331 DOI: 10.3390/jfb13030103] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/14/2022] [Accepted: 07/22/2022] [Indexed: 02/06/2023] Open
Abstract
Traditional bone replacement materials have been developed with the goal of directing the osteogenesis of osteoblastic cell lines toward differentiation and therefore achieving biomaterial-mediated osteogenesis, but the osteogenic effect has been disappointing. With advances in bone biology, it has been revealed that the local immune microenvironment has an important role in regulating the bone formation process. According to the bone immunology hypothesis, the immune system and the skeletal system are inextricably linked, with many cytokines and regulatory factors in common, and immune cells play an essential role in bone-related physiopathological processes. This review combines advances in bone immunology with biomaterial immunomodulatory properties to provide an overview of biomaterials-mediated immune responses to regulate bone regeneration, as well as methods to assess the bone immunomodulatory properties of bone biomaterials and how these strategies can be used for future bone tissue engineering applications.
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Affiliation(s)
- Tong Zhao
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China; (T.Z.); (Z.C.)
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, China
| | - Zhuangzhuang Chu
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China; (T.Z.); (Z.C.)
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, China
| | - Jun Ma
- Department of General Practitioners, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
- Correspondence: (L.O.); (J.M.); Tel.: +86-21-52039999 (L.O.); +86-21-52039999 (J.M.)
| | - Liping Ouyang
- Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China; (T.Z.); (Z.C.)
- Correspondence: (L.O.); (J.M.); Tel.: +86-21-52039999 (L.O.); +86-21-52039999 (J.M.)
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21
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Hang R, Wang J, Tian X, Wu R, Hang R, Zhao Y, Sun Y, Wang H. Resveratrol promotes osteogenesis and angiogenesis through mediating immunology of senescent macrophages. Biomed Mater 2022; 17. [PMID: 35830846 DOI: 10.1088/1748-605x/ac80e3] [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: 04/23/2022] [Accepted: 07/13/2022] [Indexed: 11/12/2022]
Abstract
Orthopedic implants have been used clinically to restore the functions of the compromised bone tissues, but there is still a relatively high risk of failure for elderly people. A critical reason is pro-inflammatory immune microenvironment created by senescent macrophages with homeostasis imbalance impairs osteogenesis and angiogenesis, two major processes involved in implant osseointegration. The present work proposes to use resveratrol as an autophagy inducing agent to upregulate the autophagy level of senescent macrophages to restore homeostasis, consequently generating a favorable immune microenvironment. The results show 0.1-1 µM of resveratrol can induce autophagy of senescent macrophages, promote cell viability and proliferation, reduce intracellular reactive oxygen species (ROS) level, and polarize the cells to pro-healing M2 phenotype. The immune microenvironment created by senescent macrophages upon resveratrol stimulation can promote osteogenesis and angiogenesis, as manifested by upregulated proliferation, alkaline phosphatase activity, type I collagen secretion, and extracellular matrix mineralization of senescent osteoblasts as well as nitric oxide production, migration, and in vitro angiogenesis of senescent endothelial cells. In addition, resveratrol-loaded silk fibroin coatings can be fabricated on titanium surface through electrophoretic co-deposition and the coatings show beneficial effects on the functions of senescent macrophages. Our results suggest resveratrol can be used as surface additive of titanium implants to promote osseointegration of elderly people though regulating immunology of senescent macrophages.
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Affiliation(s)
- Ruiqiang Hang
- Taiyuan University of Technology, No. 79, Yingze West Road, Taiyuan, Shanxi Province, Taiyuan, Shanxi , 030024, CHINA
| | - Jiahui Wang
- Taiyuan University of Technology, No. 79, Yingze West Road, Taiyuan, Shanxi Province, Taiyuan, 030024, CHINA
| | - Xue Tian
- Taiyuan University of Technology, No. 79, Yingze West Road, Taiyuan, Shanxi Province, Taiyuan, 030024, CHINA
| | - Ruifeng Wu
- Central Hospital of Tongchuan Mining Bureau, No. 15, Chuankou Road, Tongchuan, Shaanxi Province, Tongchuan, 727000, CHINA
| | - Ruiyue Hang
- Taiyuan University of Technology, No. 79, Yingze West Road, Taiyuan, Shanxi Province, Taiyuan, 030024, CHINA
| | - Yuyu Zhao
- Taiyuan University of Technology, No. 79, Yingze West Road, Taiyuan, Shanxi Province, Taiyuan, 030024, CHINA
| | - Yonghua Sun
- Taiyuan University of Technology, No. 79, Yingze West Road, Taiyuan, Shanxi Province, Taiyuan, 030024, CHINA
| | - Honggang Wang
- Central Hospital of Tongchuan Mining Bureau, No. 15, Chuankou Road, Tongchuan, Shaanxi Province, Taiyuan, 030024, CHINA
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22
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Xiong Y, Xu Y, Zhou F, Hu Y, Zhao J, Liu Z, Zhai Q, Qi S, Zhang Z, Chen L. Bio-functional hydrogel with antibacterial and anti-inflammatory dual properties to combat with burn wound infection. Bioeng Transl Med 2022; 8:e10373. [PMID: 36684072 PMCID: PMC9842067 DOI: 10.1002/btm2.10373] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 05/07/2022] [Accepted: 06/12/2022] [Indexed: 01/25/2023] Open
Abstract
Burn infection delays wound healing and increases the burn patient mortality. Consequently, a new dressing with antibacterial and anti-inflammatory dual properties is urgently required for wound healing. In this study, we propose a combination of methacrylate gelatin (GelMA) hydrogel system with silver nanoparticles embed in γ-cyclodextrin metal-organic frameworks (Ag@MOF) and hyaluronic acid-epigallocatechin gallate (HA-E) for the burn wound infection treatment. Ag@MOF is used as an antibacterial agent and epigallocatechin gallate (EGCG) has exhibited biological properties of anti-inflammation and antibacterial. The GelMA/HA-E/Ag@MOF hydrogel enjoys suitable physical properties and sustained release of Ag+. Meanwhile, the hydrogel has excellent biocompatibility and could promote macrophage polarization from M1 to M2. In vivo wound healing evaluations further demonstrate that the GelMA/HA-E/Ag@MOF hydrogel reduces the number of the bacterium efficiently, accelerates wound healing, promotes early angiogenesis, and regulates immune reaction. A further evaluation indicates that the noncanonical Wnt signal pathway is significantly activated in the GelMA/HA-E/Ag@MOF hydrogel treated group. In conclusion, the GelMA/HA-E/Ag@MOF hydrogel could serve as a promising multifunctional dressing for the burn wound healing.
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Affiliation(s)
- Yahui Xiong
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
| | - Yingbin Xu
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
| | - Fei Zhou
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
| | - Yanke Hu
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
| | - Jingling Zhao
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
| | - Zhonghua Liu
- South China Agricultural UniversityGuangzhouChina
| | - Qiyi Zhai
- ZhuJiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Shaohai Qi
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
| | - Zhaoqiang Zhang
- Department of Oral and Maxillofacial SurgeryStomatological Hospital, Southern Medical UniversityGuangzhouChina
| | - Lei Chen
- Department of Burns, Laboratory of General SurgeryThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina,Guangdong Provincial Engineering Technology Research Center of Burn and Wound Accurate Diagnosis and Treatment Key Technology and Series of ProductsSunYat‐Sen UniversityGuangzhouChina,Institute of Precision MedicineThe First Affiliated Hospital, SunYat‐Sen UniversityGuangzhouChina
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23
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Crosstalk between macrophages and innate lymphoid cells (ILCs) in diseases. Int Immunopharmacol 2022; 110:108937. [PMID: 35779490 DOI: 10.1016/j.intimp.2022.108937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 12/15/2022]
Abstract
Innate lymphoid cells (ILCs) and macrophages are tissue-resident cells that play important roles in tissue-immune homeostasis and immune regulation. ILCs are mainly distributed on the barrier surfaces of mammals to ensure immunity or tissue homeostasis following host, microbial, or environmental stimulation. Their complex relationships with different organs enable them to respond quickly to disturbances in environmental conditions and organ homeostasis, such as during infections and tissue damage. Gradually emerging evidence suggests that ILCs also play complex and diverse roles in macrophage development, homeostasis, polarization, inflammation, and viral infection. In turn, macrophages also determine the fate of ILCs to some extent, which indicates that network crossover between these interactions is a key determinant of the immune response. More work is needed to better define the crosstalk of ILCs with macrophages in different tissues and demonstrate how it is affected during inflammation and other diseases. Here, we summarize current research on the functional interactions between ILCs and macrophages and consider the potential therapeutic utility of these interactions for the benefit of human health.
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Zhou X, Jin W, Sun H, Li C, Jia J. Perturbation of autophagy: An intrinsic toxicity mechanism of nanoparticles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 823:153629. [PMID: 35131247 DOI: 10.1016/j.scitotenv.2022.153629] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/11/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
Nanoparticles (NPs) have been widely used for various purposes due to their unique physicochemical properties. Such widespread applications greatly increase the possibility of human exposure to NPs in various ways. Once entering the human body, NPs may interfere with cellular homeostasis and thus affect the physiological system. As a result, it is necessary to evaluate the potential disturbance of NPs to multiple cell functions, including autophagy. Autophagy is an important cell function to maintain cellular homeostasis, and minimizing the disturbance caused by NP exposures to autophagy is critical to nanosafety. Herein, we summarized the recent research progress in nanotoxicity with particular focuses on the perturbation of NPs to cell autophagy. The basic processes of autophagy and complex relationships between autophagy and major human diseases were further discussed to emphasize the importance of keeping autophagy under control. Moreover, the most recent advances on perturbation of different types of NPs to autophagy were also reviewed. Last but not least, we also discussed major research challenges and potential coping strategies and proposed a safe-by-design strategy towards safer applications of NPs.
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Affiliation(s)
- Xiaofei Zhou
- College of Science & Technology, Hebei Agricultural University, Huanghua 061100, China
| | - Weitao Jin
- College of Science & Technology, Hebei Agricultural University, Huanghua 061100, China
| | - Hainan Sun
- Shandong Vocational College of Light Industry, Zibo 255300, China
| | - Chengjun Li
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China.
| | - Jianbo Jia
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China.
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25
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Burdușel AC, Gherasim O, Andronescu E, Grumezescu AM, Ficai A. Inorganic Nanoparticles in Bone Healing Applications. Pharmaceutics 2022; 14:pharmaceutics14040770. [PMID: 35456604 PMCID: PMC9027776 DOI: 10.3390/pharmaceutics14040770] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Modern biomedicine aims to develop integrated solutions that use medical, biotechnological, materials science, and engineering concepts to create functional alternatives for the specific, selective, and accurate management of medical conditions. In the particular case of tissue engineering, designing a model that simulates all tissue qualities and fulfills all tissue requirements is a continuous challenge in the field of bone regeneration. The therapeutic protocols used for bone healing applications are limited by the hierarchical nature and extensive vascularization of osseous tissue, especially in large bone lesions. In this regard, nanotechnology paves the way for a new era in bone treatment, repair and regeneration, by enabling the fabrication of complex nanostructures that are similar to those found in the natural bone and which exhibit multifunctional bioactivity. This review aims to lay out the tremendous outcomes of using inorganic nanoparticles in bone healing applications, including bone repair and regeneration, and modern therapeutic strategies for bone-related pathologies.
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Affiliation(s)
- Alexandra-Cristina Burdușel
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
| | - Oana Gherasim
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomiștilor Street, 077125 Magurele, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
- Correspondence:
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90–92 Panduri Road, 050657 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
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26
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Xu J, Chen H, Chu Z, Li Z, Chen B, Sun J, Lai W, Ma Y, He Y, Qian H, Wang F, Xu Y. A multifunctional composite hydrogel as an intrinsic and extrinsic coregulator for enhanced therapeutic efficacy for psoriasis. J Nanobiotechnology 2022; 20:155. [PMID: 35331238 PMCID: PMC8943972 DOI: 10.1186/s12951-022-01368-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 03/10/2022] [Indexed: 12/20/2022] Open
Abstract
Background Psoriasis is a chronic relapsing immunological skin disease characterized by multiple cross-talk inflammatory circuits which are relevantly associated with abnormal cross-reactivity between immune cells and keratinocytes (KCs). It may be inadequate to eradicate complicated pathogenesis only via single-mode therapy. To provide optimal combinatory therapeutics, a nanocomposite-based hydrogel was constructed by loading methotrexate (MTX) into ZnO/Ag to realize combined multiple target therapy of psoriasis. Results In this composite hydrogel, ZnO hybrid mesoporous microspheres were utilized both as drug carriers and reactive oxygen species (ROS)-scavenging nanoparticles. A proper amount of Ag nanoparticle-anchored ZnO nanoparticles (ZnO/Ag) was functionalized with inherent immunoregulatory property. The experiments showed that ZnO/Ag nanoparticles could exhibit a self-therapeutic effect that was attributed to reducing innate cytokine profiles by inactivating p65 in proinflammatory macrophages and abrogating secretion of adaptive cytokines in KCs by downregulating ROS-mediated STAT3-cyclin D1 signaling. A preferable antipsoriatic efficacy was achieved via topical administration of this hydrogel on the imiquimod (IMQ)-induced psoriasis mice model, demonstrating the superior transdermal delivery and combined enhancement of therapeutic efficacy caused by intrinsic nanoparticles and extrinsic MTX. Conclusion This composite hydrogel could serve as a multifunctional, nonirritating, noninvasive and effective transcutaneous nanoagent against psoriasis. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-022-01368-y.
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Affiliation(s)
- Jiangmei Xu
- Department of Dermatovenerology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, People's Republic of China
| | - Hao Chen
- School of Basic Medical Sciences, School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Hefei, Anhui, People's Republic of China
| | - Zhaoyou Chu
- School of Basic Medical Sciences, School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Hefei, Anhui, People's Republic of China
| | - Zhu Li
- Department of Dermatovenerology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, People's Republic of China
| | - Benjin Chen
- School of Basic Medical Sciences, School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Hefei, Anhui, People's Republic of China
| | - Jianan Sun
- School of Basic Medical Sciences, School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Hefei, Anhui, People's Republic of China
| | - Wei Lai
- Department of Dermatovenerology, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China
| | - Yan Ma
- School of Basic Medical Sciences, School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Hefei, Anhui, People's Republic of China
| | - Yulong He
- Center for Digestive Disease, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, People's Republic of China
| | - Haisheng Qian
- School of Basic Medical Sciences, School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Hefei, Anhui, People's Republic of China.
| | - Fei Wang
- Center for Digestive Disease, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, People's Republic of China.
| | - Yunsheng Xu
- Department of Dermatovenerology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, People's Republic of China.
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27
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Cui Y, Li H, Li Y, Mao L. Novel insights into nanomaterials for immunomodulatory bone regeneration. NANOSCALE ADVANCES 2022; 4:334-352. [PMID: 36132687 PMCID: PMC9418834 DOI: 10.1039/d1na00741f] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 11/13/2021] [Indexed: 05/02/2023]
Abstract
Bone defect repair caused by trauma, congenital malformation, tumors, infection or systemic diseases remains the focus of attention in regeneration medicine. Recent advances in osteoimmunology indicate that immune cells and correlative cytokines modulate the delicate balance between osteoblasts and osteoclasts and induce a favorable microenvironment for bone regeneration. With superior attributes that imitate the three-dimensional architecture of natural bone, excellent fabricability, mechanical and biological properties, nanomaterials (NMs) are becoming attractive in the field of bone tissue engineering. Particularly, it could be an effective strategy for immunomodulatory bone regeneration by engineering NMs involved in composition nature, nanoarchitectural morphology, surface chemistry, topography and biological molecules, whose mechanisms potentially refer to regulating the phenotype of high-plastic immune cells and inducing cytokine secretion to accelerate osteogenesis. Despite these prominent achievements, the employment of NMs is poorly translated into clinical trials due to the lack of knowledge about the interaction between NMs and the immune system. For this reason, we sketch out the hierarchical structure of bone and its natural healing process, followed by discussion about the effects of immune cells on bone regeneration. Novel horizons focusing on recent progressions in the architectural and physicochemical performances of NMs and their impacts on the body defence mechanism are also emphasized, hoping to provide novel insights for the fabrication of bone graft materials in tissue engineering.
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Affiliation(s)
- Ya Cui
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology Shanghai China
| | - Hairui Li
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology Shanghai China
| | - Yaxin Li
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology Shanghai China
| | - Lixia Mao
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology Shanghai China
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28
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Shen X, Fang K, Ru Yie KH, Zhou Z, Shen Y, Wu S, Zhu Y, Deng Z, Ma P, Ma J, Liu J. High proportion strontium-doped micro-arc oxidation coatings enhance early osseointegration of titanium in osteoporosis by anti-oxidative stress pathway. Bioact Mater 2021; 10:405-419. [PMID: 34901556 PMCID: PMC8636681 DOI: 10.1016/j.bioactmat.2021.08.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 02/07/2023] Open
Abstract
The excessive accumulation of reactive oxygen species (ROS) under osteoporosis precipitates a microenvironment with high levels of oxidative stress (OS). This could significantly interfere with the bioactivity of conventional titanium implants, impeding their early osseointegration with bone. We have prepared a series of strontium (Sr)-doped titanium implants via micro-arc oxidation (MAO) to verify their efficacy and differences in osteoinduction capabilities under normal and osteoporotic (high OS levels) conditions. Apart from the chemical composition, all groups exhibited similar physicochemical properties (morphology, roughness, crystal structure, and wettability). Among the groups, the low Sr group (Sr25%) was more conducive to osteogenesis under normal conditions. In contrast, by increasing the catalase (CAT)/superoxide dismutase (SOD) activity and decreasing ROS levels, the high Sr-doped samples (Sr75% and Sr100%) were superior to Sr25% in inducing osteogenic differentiation of MC3T3-E1 cells and the M2 phenotype polarization of RAW264.7 cells, thus enhancing early osseointegration. Furthermore, the results of both in vitro cell co-culture and in vivo studies also showed that the high Sr-doped samples (especially Sr100%) had positive effects on osteoimmunomodulation under the OS microenvironment. Ultimately, the collated findings indicated that the high proportion Sr-doped MAO coatings were more favorable for osteoporosis patients in implant restorations. First study on osteogenic difference of Sr-doped implants in normal and OS conditions. Low Sr-doped MAO coating displays optimal bioactivity in normal microenvironment. High Sr coating significantly enhances osteoimmunomodulation/osteoinduction under OS. High Sr sample resists OS damage by activating CAT/SOD and scavenging excess ROS. High Sr implant restorations are more favorable for osteoporosis patients.
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Affiliation(s)
- Xinkun Shen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Kai Fang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Kendrick Hii Ru Yie
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Zixin Zhou
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Yiding Shen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Shuyi Wu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Yue Zhu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Zhennan Deng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Pingping Ma
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Jianfeng Ma
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
| | - Jinsong Liu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China
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29
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Tu AB, Lewis JS. Biomaterial-based immunotherapeutic strategies for rheumatoid arthritis. Drug Deliv Transl Res 2021; 11:2371-2393. [PMID: 34414564 PMCID: PMC8376117 DOI: 10.1007/s13346-021-01038-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2021] [Indexed: 02/08/2023]
Abstract
Rheumatoid arthritis (RA) is an extremely painful autoimmune disease characterized by chronic joint inflammation leading to the erosion of adjacent cartilage and bone. Rheumatoid arthritis pathology is primarily driven by inappropriate infiltration and activation of immune cells within the synovium of the joint. There is no cure for RA. As such, manifestation of symptoms entails lifelong management via various therapies that aim to generally dampen the immune system or impede the function of immune mediators. However, these treatment strategies lead to adverse effects such as toxicity, general immunosuppression, and increased risk of infection. In pursuit of safer and more efficacious therapies, many emerging biomaterial-based strategies are being developed to improve payload delivery, specific targeting, and dose efficacy, and to mitigate adverse reactions and toxicity. In this review, we highlight biomaterial-based approaches that are currently under investigation to circumvent the limitations of conventional RA treatments.
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Affiliation(s)
- Allen B Tu
- Department of Biomedical Engineering, University of California, 1 Shields Ave, Davis , CA, 95616, USA
| | - Jamal S Lewis
- Department of Biomedical Engineering, University of California, 1 Shields Ave, Davis , CA, 95616, USA.
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30
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Modulation of Macrophage Activity by Pulsed Electromagnetic Fields in the Context of Fracture Healing. Bioengineering (Basel) 2021; 8:bioengineering8110167. [PMID: 34821733 PMCID: PMC8615107 DOI: 10.3390/bioengineering8110167] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/22/2021] [Accepted: 10/27/2021] [Indexed: 01/05/2023] Open
Abstract
Delayed fracture healing and fracture non-unions impose an enormous burden on individuals and society. Successful healing requires tight communication between immune cells and bone cells. Macrophages can be found in all healing phases. Due to their high plasticity and long life span, they represent good target cells for modulation. In the past, extremely low frequency pulsed electromagnet fields (ELF-PEMFs) have been shown to exert cell-specific effects depending on the field conditions. Thus, the aim was to identify the specific ELF-PEMFs able to modulate macrophage activity to indirectly promote mesenchymal stem/stromal cell (SCP-1 cells) function. After a blinded screening of 22 different ELF-PEMF, two fields (termed A and B) were further characterized as they diversely affected macrophage function. These two fields have similar fundamental frequencies (51.8 Hz and 52.3 Hz) but are emitted in different groups of pulses or rather send-pause intervals. Macrophages exposed to field A showed a pro-inflammatory function, represented by increased levels of phospho-Stat1 and CD86, the accumulation of ROS, and increased secretion of pro-inflammatory cytokines. In contrast, macrophages exposed to field B showed anti-inflammatory and pro-healing functions, represented by increased levels of Arginase I, increased secretion of anti-inflammatory cytokines, and growth factors are known to induce healing processes. The conditioned medium from macrophages exposed to both ELF-PEMFs favored the migration of SCP-1 cells, but the effect was stronger for field B. Furthermore, the conditioned medium from macrophages exposed to field B, but not to field A, stimulated the expression of extracellular matrix genes in SCP-1 cells, i.e., COL1A1, FN1, and BGN. In summary, our data show that specific ELF-PEMFs may affect immune cell function. Thus, knowing the specific ELF-PEMFs conditions and the underlying mechanisms bears great potential as an adjuvant treatment to modulate immune responses during pathologies, e.g., fracture healing.
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31
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Zhang Q, Xiao L, Xiao Y. Porous Nanomaterials Targeting Autophagy in Bone Regeneration. Pharmaceutics 2021; 13:1572. [PMID: 34683866 PMCID: PMC8540591 DOI: 10.3390/pharmaceutics13101572] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/01/2021] [Accepted: 09/22/2021] [Indexed: 01/02/2023] Open
Abstract
Porous nanomaterials (PNMs) are nanosized materials with specially designed porous structures that have been widely used in the bone tissue engineering field due to the fact of their excellent physical and chemical properties such as high porosity, high specific surface area, and ideal biodegradability. Currently, PNMs are mainly used in the following four aspects: (1) as an excellent cargo to deliver bone regenerative growth factors/drugs; (2) as a fluorescent material to trace cell differentiation and bone formation; (3) as a raw material to synthesize or modify tissue engineering scaffolds; (4) as a bio-active substance to regulate cell behavior. Recent advances in the interaction between nanomaterials and cells have revealed that autophagy, a cellular survival mechanism that regulates intracellular activity by degrading/recycling intracellular metabolites, providing energy/nutrients, clearing protein aggregates, destroying organelles, and destroying intracellular pathogens, is associated with the phagocytosis and clearance of nanomaterials as well as material-induced cell differentiation and stress. Autophagy regulates bone remodeling balance via directly participating in the differentiation of osteoclasts and osteoblasts. Moreover, autophagy can regulate bone regeneration by modulating immune cell response, thereby modulating the osteogenic microenvironment. Therefore, autophagy may serve as an effective target for nanomaterials to facilitate the bone regeneration process. Increasingly, studies have shown that PNMs can modulate autophagy to regulate bone regeneration in recent years. This paper summarizes the current advances on the main application of PNMs in bone regeneration, the critical role of autophagy in bone regeneration, and the mechanism of PNMs regulating bone regeneration by targeting autophagy.
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Affiliation(s)
- Qing Zhang
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou 510182, China; (Q.Z.); (L.X.)
- Laboratory for Myology, Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, 1081 BT Amsterdam, The Netherlands
| | - Lan Xiao
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou 510182, China; (Q.Z.); (L.X.)
- Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Yin Xiao
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou 510182, China; (Q.Z.); (L.X.)
- Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, QLD 4000, Australia
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32
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Pernakov M, Ermini ML, Sulaieva O, Cassano D, Santucci M, Husak Y, Korniienko V, Giannone G, Yusupova A, Liubchak I, Hristova MT, Savchenko A, Holubnycha V, Voliani V, Pogorielov M. Complementary Effect of Non-Persistent Silver Nano-Architectures and Chlorhexidine on Infected Wound Healing. Biomedicines 2021; 9:1215. [PMID: 34572402 PMCID: PMC8469683 DOI: 10.3390/biomedicines9091215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/15/2021] [Accepted: 09/06/2021] [Indexed: 01/08/2023] Open
Abstract
Surgical site infection (SSI) substantially contributes each year to patients' morbidity and mortality, accounting for about 15% of all nosocomial infections. SSI drastically increases the rehab stint and expenses while jeopardizing health outcomes. Besides prevention, the treatment regime relies on an adequate antibiotic therapy. On the other hand, resistant bacterial strains have currently reached up to 34.3% of the total infections, and this percentage grows annually, reducing the efficacy of the common treatment schemes. Thus, new antibacterial strategies are urgently demanded. Here, we demonstrated in rats the effectiveness of non-persistent silver nano-architectures (AgNAs) in infected wound healing together with their synergistic action in combination with chlorhexidine. Besides the in vivo efficacy evaluation, we performed analysis of the bacteriological profile of purulent wound, histological evaluations, and macrophages polarization quantifications to further validate our findings and elucidate the possible mechanisms of AgNAs action on wound healing. These findings open the way for the composition of robust multifunctional nanoplatforms for the translation of safe and efficient topical treatments of SSI.
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Affiliation(s)
- Mykola Pernakov
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
| | - Maria Laura Ermini
- Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, 56127 Pisa, Italy; (M.L.E.); (D.C.); (M.S.); (G.G.); (V.V.)
| | | | - Domenico Cassano
- Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, 56127 Pisa, Italy; (M.L.E.); (D.C.); (M.S.); (G.G.); (V.V.)
| | - Marco Santucci
- Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, 56127 Pisa, Italy; (M.L.E.); (D.C.); (M.S.); (G.G.); (V.V.)
| | - Yevhenia Husak
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
| | - Viktoriia Korniienko
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
| | - Giulia Giannone
- Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, 56127 Pisa, Italy; (M.L.E.); (D.C.); (M.S.); (G.G.); (V.V.)
- NEST-Scuola Normale Superiore, 56127 Pisa, Italy
| | - Aziza Yusupova
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
| | - Iryna Liubchak
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
- The University of Western Ontario, London, ON N6A 3K7, Canada
| | | | - Anton Savchenko
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
| | - Viktoriia Holubnycha
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
| | - Valerio Voliani
- Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, 56127 Pisa, Italy; (M.L.E.); (D.C.); (M.S.); (G.G.); (V.V.)
| | - Maksym Pogorielov
- Sumy State University, 40007 Sumy, Ukraine; (M.P.); (Y.H.); (V.K.); (A.Y.); (I.L.); (A.S.); (V.H.)
- NanoPrime, 39200 Debica, Poland
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33
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Yu WP, Ding JL, Liu XL, Zhu GD, Lin F, Xu JJ, Wang Z, Zhou JL. Titanium dioxide nanotubes promote M2 polarization by inhibiting macrophage glycolysis and ultimately accelerate endothelialization. Immun Inflamm Dis 2021; 9:746-757. [PMID: 33835721 PMCID: PMC8342206 DOI: 10.1002/iid3.429] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/15/2021] [Accepted: 03/17/2021] [Indexed: 12/13/2022] Open
Abstract
Titanium has been widely used in prosthetic valves, but they are associated with serious defects in titanium-based prosthetic valves, such as thrombosis, calcification, and decay. Therefore, it is very important to biofunctionalize titanium-based valves to reduce inflammation and accelerate endothelialization of stents and antithrombosis. The titanium dioxide nanotubes were prepared from pure titanium (Ti) by anodic oxidation method in this study. The effects of titanium dioxide nanotubes on the metabolism of macrophages and the inflammatory reaction as implants were studied in vitro. The polarization state of macrophages and the ability to accelerate endothelialization were analyzed. The results demonstrated that titanium nanotubes promote M2 polarization of macrophages by inhibiting glycolysis and activating the Adenosine monophosphate-activated protein kinase (AMPK) signaling pathway. In general, biofunctionalization titanium with nanotube could inhibit macrophage glycolysis, reduce inflammatory factor release and promote M2 polarization by activating the AMPK signaling pathway. And endothelialization was accelerated in vitro. Our result demonstrated that titanium nanotube could act as a potential approach to biofunctionlize titanium-based prosthetic valves for endothelialization.
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Affiliation(s)
- Wen P. Yu
- Department of Cardiovascular SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Jing L. Ding
- Department of GastroenterologyThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Xin L. Liu
- Department of Cardiovascular SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Guo D. Zhu
- Department of Cardiovascular SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Feng Lin
- Department of Cardiovascular SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Jian J. Xu
- Department of Cardiovascular SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Ziyao Wang
- Department of Clinical PathologyThe First Affiliated Hospital of Gannan Medical CollegeGanzhouChina
| | - Jian L. Zhou
- Department of Cardiovascular SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
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34
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Lu H, Zhang Y, Xiong S, Zhou Y, Xiao L, Ma Y, Xiao Y, Wang X. Modulatory Role of Silver Nanoparticles and Mesenchymal Stem Cell-Derived Exosome-Modified Barrier Membrane on Macrophages and Osteogenesis. Front Chem 2021; 9:699802. [PMID: 34409016 PMCID: PMC8365089 DOI: 10.3389/fchem.2021.699802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 06/29/2021] [Indexed: 01/07/2023] Open
Abstract
Background: As a wound dressing and barrier membrane, surface modification of polycaprolactone (PCL) is needed in order to achieve better biological activities. Exosomes derived from mesenchymal stem cells (MSCs) hold significant tissue regeneration promise. Silver nanoparticles (Ag) have been suggested as the surface modification technique for various medical devices. Materials and Methods: Ag and human bone marrow MSC (hBMSC)-derived exosomes (MSCs-exo) were used to modify the PCL scaffold. The impact of different scaffolds on immune cells and MSC proliferation and differentiation was further evaluated. Results: MSCs-exo exhibited cup-shaped morphology with a diameter around 100 nm. MSCs-exo were enriched with exosome marker CD81 and showed good internalization into recipient cells. 200 ng/ml Ag nanoparticles and MSCs-exo were further used to modify the PCL scaffold. The internalization study further indicated a similar releasing pattern of exosomes from Ag/MSCs-exo hybrid scaffolds into RAW264.7 and hBMSCs at 12 and 24 h, respectively. Macrophages play an important role during different stages of bone regeneration. The MTT and confocal microscopy study demonstrated no significant toxicity of exosome and/or Ag hybrid scaffolds for macrophages and MSCs. Inflammatory macrophages were further used to mimic the inflammatory environment. A mixed population of elongated and round morphology was noted in the exosome and Ag hybrid group, in which the proinflammatory genes and secretion of IL-6 and TNF-α were significantly reduced. In addition, the exosome and Ag hybrid scaffolds could significantly boost the osteogenic differentiation of hBMSCs. Discussion: This study highlights the possibility of using Ag nanoparticles and MSCs-exo to modify the PCL scaffold, thus providing new insight into the development of the novel immunomodulatory biomembrane.
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Affiliation(s)
- Haiping Lu
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yi Zhang
- Department of Hygiene Toxicology, School of Public Health, Zunyi Medical University, Zunyi, China
| | - Shan Xiong
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yinghong Zhou
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
| | - Lan Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
| | - Yaping Ma
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
| | - Xin Wang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
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35
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Silver Nanoparticle (AgNP) Technology applications in trauma and orthopaedics. J Clin Orthop Trauma 2021; 21:101536. [PMID: 34386347 PMCID: PMC8339329 DOI: 10.1016/j.jcot.2021.101536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/14/2021] [Accepted: 07/25/2021] [Indexed: 02/08/2023] Open
Abstract
Recently Nanotechnology advances continue to accelerate with development of incredible new materials and products in the field of science. The Nanotechnology has evolved in the domains of prevention, diagnosis and treatment in the field of trauma and orthopaedics. It provides a spectrum of new tools such as drug delivery (chemotherapy in orthopaedic oncology), diagnosis (bone diseases, osteoporosis, metastatic osteosarcoma), improving osteointegration of implant materials (implants & total joint replacements), combating infection (trauma implants and prosthesis), tissue engineering (hydroxyapatite scaffolds, cartilage defects, stem cell regeneration) and prevention of osteoporosis. The current article highlights the role of Silver Nanoparticle (AgNP) Technology applications in Trauma and Orthopaedics.
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36
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Gulati K, Scimeca JC, Ivanovski S, Verron E. Double-edged sword: Therapeutic efficacy versus toxicity evaluations of doped titanium implants. Drug Discov Today 2021; 26:2734-2742. [PMID: 34246772 DOI: 10.1016/j.drudis.2021.07.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 06/25/2021] [Accepted: 07/02/2021] [Indexed: 02/06/2023]
Abstract
Titanium-based orthopaedic/dental implants modified with various metal-doping strategies can enhance local therapy and bioactivity. Intentional or unintentional (because of loading and wear) release of metal ions/nanoparticles (NPs) from metal-doped implants can be therapeutic or cause adverse local tissue reactions, compromising long-term survival. Strategies to incorporate metals into implants, such as superficial or deep loading inside nano-engineered surfaces, including nanotubes, and the physiochemical characteristics of the released species significantly influence both their therapeutic and cytotoxic potential. In this review, we compare and contrast this 'double-edged sword' to arrive at an improved understanding of metal-doped implants to enable controlled therapy while minimising cytotoxicity concerns.
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Affiliation(s)
- Karan Gulati
- The University of Queensland, School of Dentistry, Herston, QLD 4006, Australia
| | | | - Sašo Ivanovski
- The University of Queensland, School of Dentistry, Herston, QLD 4006, Australia
| | - Elise Verron
- Université de Nantes, CNRS, UMR 6230, CEISAM, UFR Sciences et Techniques, 2, rue de la Houssinière, BP 92208, 44322 NANTES Cedex 3, France.
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37
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Batool F, Özçelik H, Stutz C, Gegout PY, Benkirane-Jessel N, Petit C, Huck O. Modulation of immune-inflammatory responses through surface modifications of biomaterials to promote bone healing and regeneration. J Tissue Eng 2021; 12:20417314211041428. [PMID: 34721831 PMCID: PMC8554547 DOI: 10.1177/20417314211041428] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/06/2021] [Indexed: 12/25/2022] Open
Abstract
Control of inflammation is indispensable for optimal oral wound healing and tissue regeneration. Several biomaterials have been used to enhance the regenerative outcomes; however, the biomaterial implantation can ensure an immune-inflammatory response. The interface between the cells and the biomaterial surface plays a critical role in determining the success of soft and hard tissue regeneration. The initial inflammatory response upon biomaterial implantation helps in tissue repair and regeneration, however, persistant inflammation impairs the wound healing response. The cells interact with the biomaterials through extracellular matrix proteins leading to protein adsorption followed by recruitment, attachment, migration, and proliferation of several immune-inflammatory cells. Physical nanotopography of biomaterials, such as surface proteins, roughness, and porosity, is crucial for driving cellular attachment and migration. Similarly, modification of scaffold surface chemistry by adapting hydrophilicity, surface charge, surface coatings, can down-regulate the initiation of pro-inflammatory cascades. Besides, functionalization of scaffold surfaces with active biological molecules can down-regulate pro-inflammatory and pro-resorptive mediators' release as well as actively up-regulate anti-inflammatory markers. This review encompasses various strategies for the optimization of physical, chemical, and biological properties of biomaterial and the underlying mechanisms to modulate the immune-inflammatory response, thereby, promoting the tissue integration and subsequent soft and hard tissue regeneration potential of the administered biomaterial.
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Affiliation(s)
- Fareeha Batool
- Faculté de Chirurgie-dentaire, Université de Strasbourg, Strasbourg, France
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Hayriye Özçelik
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Céline Stutz
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Pierre-Yves Gegout
- Faculté de Chirurgie-dentaire, Université de Strasbourg, Strasbourg, France
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
- Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Nadia Benkirane-Jessel
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Catherine Petit
- Faculté de Chirurgie-dentaire, Université de Strasbourg, Strasbourg, France
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
- Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Olivier Huck
- Faculté de Chirurgie-dentaire, Université de Strasbourg, Strasbourg, France
- INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
- Pôle de médecine et chirurgie bucco-dentaire, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
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38
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Yang Y, Guo L, Wang Z, Liu P, Liu X, Ding J, Zhou W. Targeted silver nanoparticles for rheumatoid arthritis therapy via macrophage apoptosis and Re-polarization. Biomaterials 2020; 264:120390. [PMID: 32980634 DOI: 10.1016/j.biomaterials.2020.120390] [Citation(s) in RCA: 196] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 09/01/2020] [Accepted: 09/16/2020] [Indexed: 12/16/2022]
Abstract
Infiltration of inflammatory cells, especially the M1 macrophages that secrete various types of inflammation cytokines, play crucial roles in the pathogenesis of rheumatoid arthritis (RA). To relief synovial inflammation, M1 macrophages must be eliminated or switched to anti-inflammatory M2 phenotype. We herein developed folic acid modified silver nanoparticles (FA-AgNPs) that can actively deliver into M1 macrophages to synergistically induce M1 macrophages reduction and M2 macrophages polarization for effective RA treatment. The AgNPs was facilely prepared, PEGylated and modified with FA to realize M1 macrophages targeting delivery via folate receptor overexpressed on M1 macrophages surface. After entering cells, FA-AgNPs dissolved and released Ag+ in response to intracellular glutathione (GSH), which is the key element to exert a series of anti-inflammatory functions, such as M1 macrophages apoptosis and reactive oxygen species (ROS) scavenging to facilitate M2 macrophages polarization, both of which contributed to RA treatment. This nano-system could passively accumulate into inflamed joints, permit potent anti-inflammatory activity, and impose strong therapeutic efficacy in mice RA models with high biosafety. After treatment, FA-AgNPs could be gradually cleared from the body mainly via feces without tissue accumulation, and did not show any appreciable long-term toxicity. This work declares the first example of using bio-active nanoparticles for RA treatment without loading any drugs, and highlights the potential of FA-AgNPs for targeted RA therapy via simultaneous M1 macrophage apoptosis and M1-to-M2 macrophages re-polarization.
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Affiliation(s)
- Yihua Yang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmaceutical Sciences, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Lina Guo
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China
| | - Zhe Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China
| | - Peng Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China
| | - Xuanjun Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China
| | - Jinsong Ding
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China
| | - Wenhu Zhou
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, 410013, China.
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