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Yadav VS, Makker K, Tewari N, Monga N, Balachandran R, Bhawal UK, Mahajan A. Expression of wound healing markers in gingival crevicular fluid following root-coverage procedures: A systematic review of randomized clinical trials. Arch Oral Biol 2024; 166:106035. [PMID: 39002181 DOI: 10.1016/j.archoralbio.2024.106035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/20/2024] [Accepted: 06/24/2024] [Indexed: 07/15/2024]
Abstract
OBJECTIVE Although several surgical techniques have been developed for treatment of gingival recession (GR), the underlying wound healing process remains relatively unexplored. This systematic review aimed to investigate the expression of wound healing markers in gingival crevicular fluid (GCF) before and after surgical treatment of GR. DESIGN Randomized clinical trials (RCTs) reporting changes in the expression of GCF markers following any root coverage surgical procedure were identified from 4 electronic databases and manual searches followed by data extraction and result synthesis. The risk of bias (RoB) was assessed using Cochrane RoB 2.0 tool. Overall certainty of evidence was summarized using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) tool. RESULTS Four RCTs comprising 100 patients and investigating 15 biomarkers were included. Post-surgery, GCF levels of cytokines and inflammatory proteins were raised during the first 2-10 days of healing. MMP-8 levels increased during the first week followed by a gradual decline. RoB was found to be high for all studies and the overall certainty of evidence was very low. CONCLUSION A limited number of studies with large methodological variations precluded reliable conclusions. Well-designed studies powered for GCF markers' levels that follow a standardized protocol for GCF sampling and processing are needed to draw conclusive evidence.
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Affiliation(s)
- Vikender Singh Yadav
- Division of Periodontics, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India.
| | - Kanika Makker
- Division of Periodontics, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Nitesh Tewari
- Division of Pedodontics and Preventive Dentistry, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Nitika Monga
- Division of Non-communicable diseases, Indian Council of Medical Research, New Delhi, India
| | - Rajiv Balachandran
- Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Ujjal Kumar Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
| | - Ajay Mahajan
- Department of Periodontology, H.P. Government Dental College and Hospital, Shimla, Himachal Pradesh, India
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Ayhan S, Dursun A. ELFN1 is a new extracellular matrix (ECM)-associated protein. Life Sci 2024; 352:122900. [PMID: 38986898 DOI: 10.1016/j.lfs.2024.122900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/30/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
AIMS The ELFN1, discovered in 2007, is a single-pass transmembrane protein. Studies conducted thus far to elucidate the function of the Elfn1 have been limited only to animal studies. These studies have reported that ELFN1 is a universal binding partner of metabotropic glutamate receptors (mGluRs) in the central nervous system and its functional deficiency has been associated with the pathogenesis of neurological and neuropsychiatric diseases. In 2021, we described the first disease-associated human ELFN1 pathogenic gene mutation. Severe joint laxity, which was the most striking finding of this new disease and was clearly seen in the patients since early infancy, showed that the ELFN1 may have a possible function in the connective tissue besides the nervous system. Here, we present the first experimental evidence of the extracellular matrix (ECM)-related function of the ELFN1. MATERIALS AND METHODS Primary skin fibroblasts were isolated from the skin biopsies of ELFN1 mutated patients and healthy foreskin donors. For the clinical trial in a dish, in vitro ECM and DEM (decellularized ECM) models were created from skin fibroblasts. All the in vitro models were comparatively characterized and analyzed. KEY FINDINGS The mutation in the ELFN1 signal peptide region of patients resulted in a severe lack of ELFN1 expression and dramatically altered the characteristic morphology and behavior (growth, proliferation, and motility) of fibroblasts. SIGNIFICANCE We propose that ELFN1 is involved in the cell-ECM attachment, and its deficiency is critical enough to cause a loss of cell motility and soft ECM stiffness.
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Affiliation(s)
- Selda Ayhan
- Department of Pediatrics Metabolism, Institute of Child Health, Hacettepe University, Sıhhıye, Ankara 06100, Turkey.
| | - Ali Dursun
- Department of Pediatrics Metabolism, Faculty of Medicine, Hacettepe University, Sıhhıye, Ankara 06100, Turkey.
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3
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Wang F, Zhang X, Zhang J, Xu Q, Yu X, Xu A, Yi C, Bian X, Shao S. Recent advances in the adjunctive management of diabetic foot ulcer: Focus on noninvasive technologies. Med Res Rev 2024; 44:1501-1544. [PMID: 38279968 DOI: 10.1002/med.22020] [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: 08/13/2022] [Revised: 12/15/2023] [Accepted: 01/10/2024] [Indexed: 01/29/2024]
Abstract
Diabetic foot ulcer (DFU) is one of the most costly and serious complications of diabetes. Treatment of DFU is usually challenging and new approaches are required to improve the therapeutic efficiencies. This review aims to update new and upcoming adjunctive therapies with noninvasive characterization for DFU, focusing on bioactive dressings, bioengineered tissues, mesenchymal stem cell (MSC) based therapy, platelet and cytokine-based therapy, topical oxygen therapy, and some repurposed drugs such as hypoglycemic agents, blood pressure medications, phenytoin, vitamins, and magnesium. Although the mentioned therapies may contribute to the improvement of DFU to a certain extent, most of the evidence come from clinical trials with small sample size and inconsistent selections of DFU patients. Further studies with high design quality and adequate sample sizes are necessitated. In addition, no single approach would completely correct the complex pathogenesis of DFU. Reasonable selection and combination of these techniques should be considered.
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Affiliation(s)
- Fen Wang
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Xiaoling Zhang
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Jing Zhang
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Qinqin Xu
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Xuefeng Yu
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Anhui Xu
- Division of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chengla Yi
- Division of Trauma Surgery, Tongji Hospital, Tongji Medical College, Wuhan, China
| | - Xuna Bian
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Shiying Shao
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
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4
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Wang ZN, Ma JC, Xi MF, Yin D, Jiang LF, Qi J. Effects of Nanoparticle-Mediated Dihydromyricetin to Diabetic Wounds: An In Vivo Study. J Burn Care Res 2024; 45:644-654. [PMID: 38236154 DOI: 10.1093/jbcr/irae003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Indexed: 01/19/2024]
Abstract
Diabetic wound is one of the serious complications of diabetes, and the wound is persistent and easily recurring, which seriously endangers the health and life of patients. How to effectively promote the healing of diabetic wounds has been a hot spot and difficult area of clinical research. Some previous studies have shown that dihydromyricetin has the effects of regulating blood glucose, controlling the severity, and inhibiting scarring. In the present study, we used polylactic-co-glycolic acid nanoparticles as a carrier to load dihydromyricetin to make drug-loaded nanoparticles and applied them dropwise (200 µL) to diabetic mice wounds by topical application to observe the healing and scar formation of diabetic wounds. We found that the healing rate of the diabetic mice was faster and the scar formation was less obvious. In addition, the elevated blood glucose level and weight loss of the mice in the treatment group were also reduced. Therefore, nanoparticle-mediated dihydromyricetin may be an effective treatment for diabetic wounds.
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Affiliation(s)
- Zhao-Nan Wang
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
- Nantong University Medical School, Nantong, Jiangsu 226000, P.R. China
- Nanjing Drum Tower Hospital Group Suqian Hospital, Suqian, Jiangsu 223800, P.R. China
| | - Jiu-Cheng Ma
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
- Nantong University Medical School, Nantong, Jiangsu 226000, P.R. China
| | - Ming-Fan Xi
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
- Nantong University Medical School, Nantong, Jiangsu 226000, P.R. China
| | - Dong Yin
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
- Nantong University Medical School, Nantong, Jiangsu 226000, P.R. China
| | - Li-Fan Jiang
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
- Nantong University Medical School, Nantong, Jiangsu 226000, P.R. China
| | - Jun Qi
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226000, P.R. China
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Rogovaya OS, Abolin DS, Cherkashina OL, Smyslov AD, Vorotelyak EA, Kalabusheva EP. In vitro and in vivo Evaluation of Antifibrotic Properties of Verteporfin in a Composition of a Collagen Scaffold. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:942-957. [PMID: 38880654 DOI: 10.1134/s0006297924050146] [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: 12/06/2023] [Revised: 03/05/2024] [Accepted: 03/31/2024] [Indexed: 06/18/2024]
Abstract
Extensive skin damage requires specialized therapy that stimulates regeneration processes without scarring. The possibility of using combination of a collagen gel application as a wound dressing and fibroblast attractant with verteporfin as an antifibrotic agent was examined in vivo and in vitro. In vitro effects of verteporfin on viability and myofibroblast markers expression were evaluated using fibroblasts isolated from human scar tissue. In vivo the collagen gel and verteporfin (individually and in combination) were applied into the wound to investigate scarring during skin regeneration: deviations in skin layer thickness, collagen synthesis, and extracellular matrix fibers were characterized. The results indicate that verteporfin reduces fibrotic phenotype by suppressing expression of the contractile protein Sm22α without inducing cell death. However, administration of verteporfin in combination with the collagen gel disrupts its ability to direct wound healing in a scarless manner, which may be related to incompatibility of the mechanisms by which collagen and verteporfin control regeneration.
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Affiliation(s)
- Olga S Rogovaya
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russia.
| | - Danila S Abolin
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russia
| | - Olga L Cherkashina
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russia
| | - Artem D Smyslov
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russia
| | - Ekaterina A Vorotelyak
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russia
| | - Ekaterina P Kalabusheva
- Koltzov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, 119334, Russia
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Mulawarmanti D, Revianti S, Wahjuningsih E. Efficacy of Topical Application of Chum Salmon ( Oncorhynchus keta) Skin-derived Collagen Extracts in Improving Oral Traumatic Ulcer Healing. Contemp Clin Dent 2024; 15:124-128. [PMID: 39206236 PMCID: PMC11349075 DOI: 10.4103/ccd.ccd_544_22] [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: 11/14/2022] [Revised: 02/05/2024] [Accepted: 04/01/2024] [Indexed: 09/04/2024] Open
Abstract
Background Traumatic ulcer is a wound on the oral mucosa that often causes pain and impaired eating function. Healing of these wounds takes a long time and can interfere with an individual's daily activities. One therapeutic approach that is being developed is the use of topical application of chum salmon skin-derived collagen extract. Collagen is the main component of the extracellular matrix and plays a major role in wound healing. The skin of chum salmon (Oncorhynchus keta) contains collagen that is effective for the treatment of wounds. Aim The aim of this study was to evaluate the effectiveness of topical applications of chum salmon (O. keta) skin-derived collagen extracts in improving the healing of traumatic ulcers through analysis of neutrophil and macrophage numbers and collagen density. Materials and Methods Twenty-four male Wistar rats were randomly divided into four groups consisting of six rats each. The labial mucosa of the lower lips of the rats was injured with heated amalgam stoppers to create oral traumatic ulcers. Group 1 was a control group; in Groups 2, 3, and 4, 25%, 50%, and 75% of collagen extracts from chum salmon (O. keta) skin were applied topically once a day for 7 days, respectively. The neutrophil and macrophage numbers were observed by hematoxylin and eosin staining. Masson's Trichrome staining was used to analyze the collagen density. Data were analyzed using one-way analysis of variance and continued with post hoc least significant difference tests. Significance is considered if P < 0.05. Results The oral traumatic ulcers gradually healed until day 7. The number of neutrophils and macrophages was significantly decreased in the treatment groups, and collagen density was increased, compared to the control group (P < 0.05). The decrease of neutrophil and macrophage numbers occurred significantly with the increased collagen extract concentrations (P < 0.05). Collagen density also increased significantly with the increased collagen extract concentrations (P < 0.05). Conclusion Topical applications of chum salmon (O. keta) skin-derived collagen extracts accelerate the healing process of oral traumatic ulcers by decreasing neutrophil and macrophage numbers and increasing collagen density.
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Affiliation(s)
- Dian Mulawarmanti
- Department of Oral Biology, Faculty of Dentistry, Hang Tuah University, Surabaya, Indonesia
| | - Syamsulina Revianti
- Department of Oral Biology, Faculty of Dentistry, Hang Tuah University, Surabaya, Indonesia
| | - Endah Wahjuningsih
- Department of Oral Biology, Faculty of Dentistry, Hang Tuah University, Surabaya, Indonesia
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Huang PY, Tsai MC, Kiu KT, Yen MH, Chang TC. Collagen patch cover facilitates recovery of bowel function after laparoscopic colectomy. BMC Surg 2024; 24:66. [PMID: 38378522 PMCID: PMC10880318 DOI: 10.1186/s12893-024-02339-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 01/31/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND Numerous factors can influence bowel movement recovery and anastomotic healing in colorectal surgery, and poor healing can lead to severe complications and increased medical expenses. Collagen patch cover (CPC) is a promising biomaterial that has been demonstrated to be safe in animal models and has been successfully applied in various surgical procedures in humans. This study. METHODS A retrospective review of medical records from July 2020 to June 2022 was conducted to identify consecutive patients who underwent laparoscopic colectomy. Patients who received CPC at the anastomotic site were assigned to the collagen group, whereas those who did not receive CPC were assigned to the control group. RESULTS Data from 241 patients (collagen group, 109; control group, 132) were analyzed. Relative to the control group, the collagen group exhibited a faster recovery of bowel function, including an earlier onset of first flatus (2.93 days vs. 3.43 days, p < 0.01), first defecation (3.73 days vs. 4.18 days, p = 0.01), and oral intake (4.30 days vs. 4.68 days, p = 0.04). CPC use was also associated with lower use of postoperative intravenous analgesics. The complication rates in the two groups did not differ significantly. CONCLUSIONS CPCs can be safely and easily applied to the anastomotic site during laparoscopic colectomy, and can accelerate bowel movement recovery. Further studies on the effectiveness of CPCs in colorectal surgery involving larger sample sizes are required. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov registration number: NCT05831956 (26/04/2023).
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Affiliation(s)
- Pin-Yang Huang
- Department of General Medicine, Taipei Medical University Shuang-Ho Hospital, No. 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan
| | - Meng-Che Tsai
- Department of General Medicine, Chiayi Chang Gung Memorial Hospital, Chiayi County, No. 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan
| | - Kee-Thai Kiu
- Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Shuang-Ho Hospital, No. 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan
| | - Min-Hsuan Yen
- Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Shuang-Ho Hospital, No. 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan
| | - Tung-Cheng Chang
- Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Shuang-Ho Hospital, No. 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan.
- Division of Colorectal Surgery, Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, No. 291, Zhongzheng Road, Zhonghe District, New Taipei City, 235, Taiwan.
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Kumar M, Banerjee P, Das A, Singh K, Guith T, Kacar S, Gourishetti K, Sen CK, Roy S, Khanna S. Hydrolyzed Collagen Powder Dressing Improves Wound Inflammation, Perfusion, and Breaking Strength of Repaired Tissue. Adv Wound Care (New Rochelle) 2024; 13:70-82. [PMID: 37534840 DOI: 10.1089/wound.2023.0065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023] Open
Abstract
Objective: Hydrolyzed collagen-based matrices are widely used as wound care dressings. Information on the mechanism of action of such dressings is scanty. The objective of this study was to test the effect of a specific hydrolyzed collagen powder (HCP), which is extensively used for wound care management in the United States. Approach: The effects of HCP on resolution of wound inflammation, perfusion, closure, and breaking strength of the repaired skin were studied in an experimental murine model. Results: In early (day 7) inflammatory phase of wound macrophages, HCP treatment boosted phagocytosis and efferocytosis of wound-site macrophages. In these cells, inducible reactive oxygen species were also higher on day (d) 7. HCP treatment potentiated the expression of anti-inflammatory interleukin (IL)-10 cytokine and proangiogenic vascular endothelial growth factor (VEGF) production. Excisional wounds dressed with HCP showed complete closure on day 21, while the control wounds remained open. HCP treatment also demonstrated improved quality of wound healing as marked by the improved breaking strength of the closed wound tissue/repaired skin. Innovation: These data represent first evidence on the mechanism of action of clinically used HCP. Conclusion: HCP dressing favorably influenced both wound inflammation and vascularization. Improved breaking strength of HCP-treated repaired skin lays the rationale for future studies testing the hypothesis that HCP-treated closed wounds would show fewer recurrences.
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Affiliation(s)
- Manishekhar Kumar
- McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Pradipta Banerjee
- McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Amitava Das
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Kanhaiya Singh
- McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Tanner Guith
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Sedat Kacar
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Karthik Gourishetti
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Chandan K Sen
- McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Sashwati Roy
- McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Savita Khanna
- McGowan Institute for Regenerative Medicine, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Indiana University School of Medicine, Indianapolis, Indiana, USA
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Sawaragi E, Yamanaka H, Li Y, Unzai T, Kawabata S, Nakano T, Katayama Y, Sakamoto M, Tabata Y, Morimoto N. Comparisons of the effects of silk elastin and collagen sponges on wound healing in murine models. Regen Ther 2023; 24:385-397. [PMID: 37719890 PMCID: PMC10502320 DOI: 10.1016/j.reth.2023.09.001] [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: 07/23/2023] [Revised: 08/21/2023] [Accepted: 09/04/2023] [Indexed: 09/19/2023] Open
Abstract
Introductions Silk elastin, a recombinant protein with repeats of elastin and silk fibroin, possesses a self-gelling ability and is a potential wound dressing material. The aim of this study is to elucidate the mechanism of the wound healing-promoting effect of silk elastin by comparing its in vivo behavior in a mouse wound model with that of a collagen sponge. Methods Skin defects (8 mm in diameter) were created on the backs of C57BL/6J and BKS.Cg- + Lepr/+Lepr db male mice. Silk elastin sponges of 2.5 or 5.0 mm thickness, as well as collagen sponges, were placed on the wounds and secured with a polyurethane film. In the control group, only the polyurethane film was applied. The remaining wound area was grossly evaluated, and tissue samples were collected after 7, 14, and 21 days for histological evaluation, including neoepithelialization, wound contraction, granulation tissue formation, newly formed capillaries, and macrophages. Genetic analysis was conducted using real-time polymerase chain reaction. Results In the study with C57BL/6J, there were no significant differences between the silk elastin and collagen sponge groups. Similarly, in the study using BKS.Cg- + Lepr/+Lepr db, no significant differences were found in the remaining wound area and granulation tissue formation between the silk elastin and collagen sponge groups. However, on day 14, the 5.0-mm-thick silk elastin sponge group showed increased macrophages, longer neoepithelialization, and more frequent angiogenesis compared to other groups. Gene expression of inducible nitric oxide synthase and arginase-1 was also higher in the 5.0 mm thick silk elastin sponge group. Conclusions Silk elastin sponges demonstrated superior neoepithelialization and angiogenesis compared to collagen sponges. The results suggest that silk elastin and collagen sponges promote wound healing through different mechanisms, with silk elastin possibly enhancing wound healing by facilitating increased macrophage migration. Further studies are needed, but silk elastin shows great potential as a versatile wound dressing material.
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Affiliation(s)
- Eiichi Sawaragi
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroki Yamanaka
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuanjiaozi Li
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomo Unzai
- Laboratory of Biomaterials, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Shingo Kawabata
- Sanyo Chemical Industries, Ltd., Katsura Research Laboratory, Kyoto, Japan
| | - Takashi Nakano
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yasuhiro Katayama
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Michiharu Sakamoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yasuhiko Tabata
- Laboratory of Biomaterials, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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10
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Yang Y, Li B, Wang M, Pan S, Wang Y, Gu J. Effect of natural polymer materials on skin healing based on internal wound microenvironment: a review. Front Chem 2023; 11:1257915. [PMID: 37731458 PMCID: PMC10507733 DOI: 10.3389/fchem.2023.1257915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 08/17/2023] [Indexed: 09/22/2023] Open
Abstract
The concept of wound microenvironment has been discussed for a long time. However, the mechanism of the internal microenvironment is relatively little studied. Here, we present a systematic discussion on the mechanism of natural polymer materials such as chitosan, cellulose, collagen and hyaluronic acid through their effects on the internal wound microenvironment and regulation of wound healing, in order to more comprehensively explain the concept of wound microenvironment and provide a reference for further innovative clinical for the preparation and application of wound healing agents.
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Affiliation(s)
- Ying Yang
- The People’s Hospital of SND, Suzhou, Jiangsu, China
| | - Bingbing Li
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Mengxin Wang
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Shicong Pan
- Guzhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Yu Wang
- The People’s Hospital of SND, Suzhou, Jiangsu, China
| | - Jinhui Gu
- Suzhou Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
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11
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El Masry MS, Gnyawali SC, Sen CK. Robust critical limb ischemia porcine model involving skeletal muscle necrosis. Sci Rep 2023; 13:11574. [PMID: 37463916 DOI: 10.1038/s41598-023-37724-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 06/27/2023] [Indexed: 07/20/2023] Open
Abstract
This work sought to develop a robust and clinically relevant swine model of critical limb ischemia (CLI) involving the onset of ischemic muscle necrosis. CLI carries about 25-40% risk of major amputation with 20% annual mortality. Currently, there is no specific treatment that targets the ischemic myopathy characteristic of CLI. Current swine models of CLI, with tolerable side-effects, fail to achieve sustained ischemia followed by a necrotic myopathic endpoint. Such limitation in experimental model hinders development of effective interventions. CLI was induced unilaterally by ligation-excision of one inch of the common femoral artery (CFA) via infra-inguinal minimal incision in female Yorkshire pigs (n = 5). X-ray arteriography was done pre- and post-CFA transection to validate successful induction of severe ischemia. Weekly assessment of the sequalae of ischemia on limb perfusion, and degree of ischemic myopathy was conducted for 1 month using X-ray arteriography, laser speckle imaging, CTA angiography, femoral artery duplex, high resolution ultrasound and histopathological analysis. The non-invasive tissue analysis of the elastography images showed specific and characteristic pattern of increased muscle stiffness indicative of the fibrotic and necrotic outcome expected with associated total muscle ischemia. The prominent onset of skeletal muscle necrosis was evident upon direct inspection of the affected tissues. Ischemic myopathic changes associated with inflammatory infiltrates and deficient blood vessels were objectively validated. A translational model of severe hindlimb ischemia causing ischemic myopathy was successfully established adopting an approach that enables long-term survival studies in compliance with regulatory requirements pertaining to animal welfare.
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Affiliation(s)
- Mohamed S El Masry
- McGowan Institute for Regenerative Medicine, Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.
- Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
| | - Surya C Gnyawali
- McGowan Institute for Regenerative Medicine, Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
- Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Chandan K Sen
- McGowan Institute for Regenerative Medicine, Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.
- Indiana Center for Regenerative Medicine and Engineering, Indiana University Health Comprehensive Wound Center, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
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12
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Sánchez ML, Valdez H, Conde M, Viaña-Mendieta P, Boccaccini AR. Polymers and Bioactive Compounds with a Macrophage Modulation Effect for the Rational Design of Hydrogels for Skin Regeneration. Pharmaceutics 2023; 15:1655. [PMID: 37376103 DOI: 10.3390/pharmaceutics15061655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/08/2023] [Accepted: 05/19/2023] [Indexed: 06/29/2023] Open
Abstract
The development of biomaterial platforms for dispensing reagents of interest such as antioxidants, growth factors or antibiotics based on functional hydrogels represents a biotechnological solution for many challenges that the biomedicine field is facing. In this context, in situ dosing of therapeutic components for dermatological injuries such as diabetic foot ulcers is a relatively novel strategy to improve the wound healing process. Hydrogels have shown more comfort for the treatment of wounds due to their smooth surface and moisture, as well as their structural affinity with tissues in comparison to hyperbaric oxygen therapy, ultrasound, and electromagnetic therapies, negative pressure wound therapy or skin grafts. Macrophages, one of the most important cells of the innate immune system, have been described as the key not only in relation to the host immune defense, but also in the progress of wound healing. Macrophage dysfunction in chronic wounds of diabetic patients leads to a perpetuating inflammatory environment and impairs tissue repair. Modulating the macrophage phenotype from pro-inflammatory (M1) to anti-inflammatory (M2) could be a strategy for helping to improve chronic wound healing. In this regard, a new paradigm is found in the development of advanced biomaterials capable of inducing in situ macrophage polarization to offer an approach to wound care. Such an approach opens a new direction for the development of multifunctional materials in regenerative medicine. This paper surveys emerging hydrogel materials and bioactive compounds being investigated to induce the immunomodulation of macrophages. We propose four potential functional biomaterials for wound healing applications based on novel biomaterial/bioactive compound combination that are expected to show synergistic beneficial outcomes for the local differentiation of macrophages (M1-M2) as a therapeutic strategy for chronic wound healing improvement.
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Affiliation(s)
- Mirna L Sánchez
- Laboratorio de Farmacología Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal B1876, Argentina
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany
| | - Hugo Valdez
- Laboratorio de Microbiología Celular e Inmunomecanismos, CINDEFI|Centro de Investigación y Desarrollo en Fermentaciones Industriales Facultad de Ciencias Exactas, La Plata B1900AJL, Argentina
| | - Micaela Conde
- Laboratorio de Farmacología Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal B1876, Argentina
| | - Pamela Viaña-Mendieta
- Tecnologico de Monterrey, Instituto para la Investigación en Obesidad, Monterrey 64849, Mexico
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany
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13
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Brembilla NC, Modarressi A, André-Lévigne D, Brioudes E, Lanza F, Vuagnat H, Durual S, Marger L, Boehncke WH, Krause KH, Preynat-Seauve O. Adipose-Derived Stromal Cells within a Gelatin Matrix Acquire Enhanced Regenerative and Angiogenic Properties: A Pre-Clinical Study for Application to Chronic Wounds. Biomedicines 2023; 11:biomedicines11030987. [PMID: 36979966 PMCID: PMC10046849 DOI: 10.3390/biomedicines11030987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
This study evaluates the influence of a gelatin sponge on adipose-derived stromal cells (ASC). Transcriptomic data revealed that, compared to ASC in a monolayer, a cross-linked porcine gelatin sponge strongly influences the transcriptome of ASC. Wound healing genes were massively regulated, notably with the inflammatory and angiogenic factors. Proteomics on conditioned media showed that gelatin also acted as a concentrator and reservoir of the regenerative ASC secretome. This secretome promoted fibroblast survival and epithelialization, and significantly increased the migration and tubular assembly of endothelial cells within fibronectin. ASC in gelatin on a chick chorioallantoic membrane were more connected to vessels than an empty sponge, confirming an increased angiogenesis in vivo. No tumor formation was observed in immunodeficient nude mice to which an ASC gelatin sponge was transplanted subcutaneously. Finally, ASC in a gelatin sponge prepared from outbred rats accelerated closure and re-vascularization of ischemic wounds in the footpads of rats. In conclusion, we provide here preclinical evidence that a cross-linked porcine gelatin sponge is an optimal carrier to concentrate and increase the regenerative activity of ASC, notably angiogenic. This formulation of ASC represents an optimal, convenient and clinically compliant option for the delivery of ASC on ischemic wounds.
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Affiliation(s)
- Nicolo Costantino Brembilla
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
- Division of Dermatology and Venereology, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Ali Modarressi
- Division of Plastic, Reconstructive and Aesthetic Surgery, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Dominik André-Lévigne
- Division of Plastic, Reconstructive and Aesthetic Surgery, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Estelle Brioudes
- Laboratory of Therapy and Stem Cells, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Florian Lanza
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
| | - Hubert Vuagnat
- Program for Wounds and Wound Healing, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Stéphane Durual
- Laboratory of Biomaterials, Faculty of Dental Medicine, University of Geneva, 1205 Geneva, Switzerland
| | - Laurine Marger
- Laboratory of Biomaterials, Faculty of Dental Medicine, University of Geneva, 1205 Geneva, Switzerland
| | - Wolf-Henning Boehncke
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
- Division of Dermatology and Venereology, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Karl-Heinz Krause
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
- Laboratory of Therapy and Stem Cells, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Olivier Preynat-Seauve
- Laboratory of Therapy and Stem Cells, Geneva University Hospitals, 1205 Geneva, Switzerland
- Department of Medicine, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
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14
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Modulation of Macrophage Function by Bioactive Wound Dressings with an Emphasis on Extracellular Matrix-Based Scaffolds and Nanofibrous Composites. Pharmaceutics 2023; 15:pharmaceutics15030794. [PMID: 36986655 PMCID: PMC10053223 DOI: 10.3390/pharmaceutics15030794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/18/2023] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
Bioactive wound dressings that are capable of regulating the local wound microenvironment have attracted a very large interest in the field of regenerative medicine. Macrophages have many critical roles in normal wound healing, and the dysfunction of macrophages significantly contributes to impaired or non-healing skin wounds. Regulation of macrophage polarization towards an M2 phenotype provides a feasible strategy to enhance chronic wound healing, mainly by promoting the transition of chronic inflammation to the proliferation phase of wound healing, upregulating the level of anti-inflammatory cytokines around the wound area, and stimulating wound angiogenesis and re-epithelialization. Based on this, modulation of macrophage functions by the rational design of bioactive scaffolds has emerged as a promising way to accelerate delayed wound healing. This review outlines current strategies to regulate the response of macrophages using bioactive materials, with an emphasis on extracellular matrix-based scaffolds and nanofibrous composites.
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15
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Xiao W, Yang Y, Chu C, Rung SA, Wang Z, Man Y, Lin J, Qu Y. Macrophage response mediated by extracellular matrix: recent progress. Biomed Mater 2023; 18. [PMID: 36595269 DOI: 10.1088/1748-605x/aca946] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022]
Abstract
Biomaterials are one of efficient treatment options for tissue defects in regenerative medicine. Compared to synthetic materials which tend to induce chronic inflammatory response and fibrous capsule, extracellular matrix (ECM) scaffold materials composed of biopolymers are thought to be capable of inducing a pro-regenerative immune microenvironment and facilitate wound healing. Immune cells are the first line of response to implanted biomaterials. In particular, macrophages greatly affect cell behavior and the ultimate treatment outcome based on multiple cell phenotypes with various functions. The macrophage polarization status is considered as a general reflection of the characteristics of the immune microenvironment. Since numerous reports has emphasized the limitation of classical M1/M2 nomenclature, high-resolution techniques such as single-cell sequencing has been applied to recognize distinct macrophage phenotypes involved in host responses to biomaterials. After reviewing latest literatures that explored the immune microenvironment mediated by ECM scaffolds, this paper describe the behaviors of highly heterogeneous and plastic macrophages subpopulations which affect the tissue regeneration. The mechanisms by which ECM scaffolds interact with macrophages are also discussed from the perspectives of the ECM ultrastructure along with the nucleic acid, protein, and proteoglycan compositions, in order to provide targets for potential therapeutic modulation in regenerative medicine.
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Affiliation(s)
- Wenlan Xiao
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Yang Yang
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Chenyu Chu
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Sheng-An Rung
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Zhanqi Wang
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Yi Man
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Jie Lin
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Yili Qu
- Department of Oral Implantology & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
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16
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Singh D, Rai V, Agrawal DK. Regulation of Collagen I and Collagen III in Tissue Injury and Regeneration. CARDIOLOGY AND CARDIOVASCULAR MEDICINE 2023; 7:5-16. [PMID: 36776717 PMCID: PMC9912297 DOI: 10.26502/fccm.92920302] [Citation(s) in RCA: 56] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The structure of connective tissues including cartilage, tendons, and ligaments as well as many organs, like the skin, heart, liver, kidney, lungs, blood vessels, and bones, depend on collagen. The bulk of the network of structural proteins that make up the extracellular matrix of the heart is composed of collagen type I and type III, which provide structural support for the muscle cells and are crucial for cardiac function. The prognosis and progression of a disease or diseased state may be significantly impacted by the upregulation or downregulation of the collagen types, particularly Col I and Col III. For example, increasing Col I protein levels may impose increasing myocardial stiffness, impairing the diastolic and systolic function of the myocardium. Collagen I is a stiff fibrillar protein that gives tensile strength, whereas Col III produces an elastic network that stores kinetic energy as an elastic rebound. These two collagen proteins have distinct physical properties in nature. Therefore, the control of Col I and Col III as well as the potential relevance of the Col I/Col III ratio in many biological processes serve as the foundation for this comprehensive review article.
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Affiliation(s)
- Drishtant Singh
- Department of Translational Research, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, Pomona, California 91766 USA
| | - Vikrant Rai
- Department of Translational Research, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, Pomona, California 91766 USA
| | - Devendra K Agrawal
- Department of Translational Research, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, Pomona, California 91766 USA
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17
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Shu H, Xia Z, Qin X, Wang X, Lu W, Luo Q, Zhang Z, Xiong X. The clinical efficacy of collagen dressing on chronic wounds: A meta-analysis of 11 randomized controlled trials. Front Surg 2022; 9:978407. [PMID: 36117827 PMCID: PMC9473315 DOI: 10.3389/fsurg.2022.978407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 08/10/2022] [Indexed: 11/13/2022] Open
Abstract
Objective This study aims to evaluate the clinical efficacy of collagen dressing for patients with chronic wounds. Materials and methods Relevant randomized controlled trials were searched from the databases such as PubMed, EMBASE, and the Cochrane library as of January 2022. For dichotomous outcomes and continuous outcomes, risk ratio and mean difference were calculated, respectively. Subgroup analysis was performed according to the type of chronic ulcer and follow-up. In addition, trial sequential analysis (TSA) was performed to further verify the results. Jadad score was used to assess the quality of trials. The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) was utilized to assess the level of evidence for outcomes. Results In 11 studies, a total of 961 patients of whom 485 were in the collagen group. Compared with standard of care (SOC) alone, the group that added an extra collagen dressing achieved a higher wound healing rate (Risk Ratio = 1.53; 95% CI, 1.33–1.77). The collagen group also showed a higher healing velocity than the SOC group (Mean Difference, 2.69; 95% CI, 0.87–4.51). In addition, the adverse events related to dressing between the two groups were similar (Risk Ratio = 0.67; 95% CI, 0.44–1.01). Conclusion Collagen dressing increases the wound healing rate and may be an effective and safe treatment for chronic wound management. However, more extensive research shall be conducted to substantiate these results. Systematic review registration https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=245728, identifier: CRD42021245728.
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Affiliation(s)
- Hongxin Shu
- Department of Vascular Surgery, The First Hospital of Nanchang, Nanchang, China
- Second Clinical Medical College, Nanchang University Medical School, Nanchang, China
| | - Zhiyu Xia
- Second Clinical Medical College, Nanchang University Medical School, Nanchang, China
| | - Xuan Qin
- Department of Vascular Surgery, The First Hospital of Nanchang, Nanchang, China
| | - Xiaowei Wang
- Second Clinical Medical College, Nanchang University Medical School, Nanchang, China
| | - Weihang Lu
- Vascular and Endovascular Surgery, the PLA General Hospital, Beijing, China
| | - Qingyu Luo
- Department of Vascular Surgery, The First Hospital of Nanchang, Nanchang, China
| | - Zhenxiong Zhang
- Department of Vascular Surgery, The First Hospital of Nanchang, Nanchang, China
| | - Xiaowei Xiong
- Department of Vascular Surgery, The First Hospital of Nanchang, Nanchang, China
- Correspondence: Xiaowei Xiong
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18
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Bach MS, de Vries CR, Khosravi A, Sweere JM, Popescu MC, Chen Q, Demirdjian S, Hargil A, Van Belleghem JD, Kaber G, Hajfathalian M, Burgener EB, Liu D, Tran QL, Dharmaraj T, Birukova M, Sunkari V, Balaji S, Ghosh N, Mathew-Steiner SS, El Masry MS, Keswani SG, Banaei N, Nedelec L, Sen CK, Chandra V, Secor PR, Suh GA, Bollyky PL. Filamentous bacteriophage delays healing of Pseudomonas-infected wounds. Cell Rep Med 2022; 3:100656. [PMID: 35732145 PMCID: PMC9244996 DOI: 10.1016/j.xcrm.2022.100656] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/29/2022] [Accepted: 05/17/2022] [Indexed: 01/09/2023]
Abstract
Chronic wounds infected by Pseudomonas aeruginosa (Pa) are characterized by disease progression and increased mortality. We reveal Pf, a bacteriophage produced by Pa that delays healing of chronically infected wounds in human subjects and animal models of disease. Interestingly, impairment of wound closure by Pf is independent of its effects on Pa pathogenesis. Rather, Pf impedes keratinocyte migration, which is essential for wound healing, through direct inhibition of CXCL1 signaling. In support of these findings, a prospective cohort study of 36 human patients with chronic Pa wound infections reveals that wounds infected with Pf-positive strains of Pa are more likely to progress in size compared with wounds infected with Pf-negative strains. Together, these data implicate Pf phage in the delayed wound healing associated with Pa infection through direct manipulation of mammalian cells. These findings suggest Pf may have potential as a biomarker and therapeutic target in chronic wounds.
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Affiliation(s)
- Michelle S Bach
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Stanford Immunology, Stanford University, Stanford, CA 94305, USA
| | - Christiaan R de Vries
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Arya Khosravi
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Johanna M Sweere
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Stanford Immunology, Stanford University, Stanford, CA 94305, USA
| | - Medeea C Popescu
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Stanford Immunology, Stanford University, Stanford, CA 94305, USA
| | - Qingquan Chen
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Sally Demirdjian
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Aviv Hargil
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Jonas D Van Belleghem
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Gernot Kaber
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Maryam Hajfathalian
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Radiology, University of Pennsylvania, Philadelphia, PA, USA
| | - Elizabeth B Burgener
- Center for Excellence in Pulmonary Biology, Department of Pediatrics, Stanford University, Stanford, CA 94305, USA
| | - Dan Liu
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Quynh-Lam Tran
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Tejas Dharmaraj
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Stanford Immunology, Stanford University, Stanford, CA 94305, USA
| | - Maria Birukova
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Stanford Immunology, Stanford University, Stanford, CA 94305, USA
| | - Vivekananda Sunkari
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Stanford Immunology, Stanford University, Stanford, CA 94305, USA
| | - Swathi Balaji
- Division of Pediatric Surgery, Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
| | - Nandini Ghosh
- Department of Surgery, Indiana University, Indianapolis, IN 46202, USA
| | | | | | - Sundeep G Keswani
- Division of Pediatric Surgery, Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
| | - Niaz Banaei
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Division of Pathology, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Laurence Nedelec
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Chandan K Sen
- Department of Surgery, Indiana University, Indianapolis, IN 46202, USA
| | - Venita Chandra
- Department of Surgery, Division of Vascular Surgery, Stanford University, Stanford, CA 94305, USA
| | - Patrick R Secor
- Division of Biological Sciences, University of Montana, Missoula, MT 59812, USA
| | - Gina A Suh
- Division of Infectious Diseases, Mayo Clinic, Rochester, MN 55902, USA
| | - Paul L Bollyky
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, CA 94305, USA.
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19
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Tihăuan BM, Pircalabioru GG, Axinie (Bucos) M, Marinaș IC, Nicoară AC, Măruțescu L, Oprea O, Matei E, Maier SS. Crosslinked Collagenic Scaffold Behavior Evaluation by Physico-Chemical, Mechanical and Biological Assessments in an In Vitro Microenvironment. Polymers (Basel) 2022; 14:polym14122430. [PMID: 35746006 PMCID: PMC9227487 DOI: 10.3390/polym14122430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/31/2022] [Accepted: 06/08/2022] [Indexed: 12/15/2022] Open
Abstract
Wound healing-associated difficulties continue to drive biotechnological creativeness into complex grounds. The sophisticated architecture of skin wound sites and the intricate processes involved in the response to the use of regenerative devices play a critical role in successful skin regeneration approaches and their possible outcomes. Due to a plethora of complications involved in wound healing processes as well as the coordination of various cellular mechanisms, biomimetic approaches seems to be the most promising starting ground. This study evaluates the behavior of a crosslinked, porous collagen scaffold obtained by lyophilization and dehydrothermal reticulation (DHT). We address the key physio-chemical and mechanical factors, such as swelling, density and porosity, mechano-dynamic properties, SEM and TG-DSC, as well as important biological outcomes regarding scaffold biocompatibility and cellular metabolic activity, cytokine expression in inflammation, apoptosis and necrosis, as well as hemocompatibility and biodegradation. The mechanical and visco-elastic behavior are correlated, with the samples found to present similar thermal behavior and increased rigidity after DHT treatment. High biocompatibility rates were obtained, with no inflammatory stimulation and a reduction in necrotic cells. Higher percentages of cellular early apoptosis were observed. The hemocompatibility rate was under 2%, coagulation effects expressed after 4 min, and the DHT scaffold was more resistant to the biodegradation of collagenase compared with the untreated sample.
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Affiliation(s)
- Bianca-Maria Tihăuan
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
| | - Gratiela Gradisteanu Pircalabioru
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
- Academy of Romanian Scientists, Ilfov Street 3, 050054 Bucharest, Romania;
- Correspondence:
| | - Mădălina Axinie (Bucos)
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Ioana Cristina Marinaș
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
| | - Anca-Cecilia Nicoară
- Faculty of Pharmacy, University of Medicine and Pharmacy “Carol Davila”, 020021 Bucharest, Romania;
| | - Luminița Măruțescu
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
| | - Ovidiu Oprea
- Academy of Romanian Scientists, Ilfov Street 3, 050054 Bucharest, Romania;
- Faculty of Chemical Engineering and Biotechnologies, University of Politehnica Bucharest, Gh. Polizu Street 1-7, 011061 Bucharest, Romania
| | - Elena Matei
- National Institute of Materials Physics–Magurele, 405A Atomistilor Street, 077125 Magurele, Romania;
| | - Stelian Sergiu Maier
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Department of Chemical Engineering in Textiles and Leather, Faculty of Industrial Design and Business Management, “Gheorghe Asachi” Technical University of Iasi, 700050 Iași, Romania
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20
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Oliveira RF, Marquiore LF, Gomes CBS, de Abreu PTR, Ferreira LAQ, Diniz LA, Gomes NA, Jácome‐Santos H, Moreno A, Macari S, Mesquita RA, Silva TA, Marques MM, Diniz IMA. Interplay between epithelial and mesenchymal cells unveils essential proinflammatory and pro‐resolutive mediators modulated by photobiomodulation therapy at 660 nm. Wound Repair Regen 2022; 30:345-356. [DOI: 10.1111/wrr.13010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 03/04/2022] [Accepted: 03/27/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Rafaela F. Oliveira
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Larissa F. Marquiore
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Cristopher B. S. Gomes
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Priscila T. R. de Abreu
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Luiza A. Q. Ferreira
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Luiza A. Diniz
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Natália A. Gomes
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Humberto Jácome‐Santos
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Amália Moreno
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Soraia Macari
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Ricardo A. Mesquita
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Tarcília A. Silva
- Department of Oral Pathology and Surgery School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
| | - Márcia M. Marques
- Post‐Graduation Program in Dentistry, Ibirapuera University São Paulo São Paulo Brazil
| | - Ivana M. A. Diniz
- Department of Restorative Dentistry School of Dentistry, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
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Binlateh T, Thammanichanon P, Rittipakorn P, Thinsathid N, Jitprasertwong P. Collagen-Based Biomaterials in Periodontal Regeneration: Current Applications and Future Perspectives of Plant-Based Collagen. Biomimetics (Basel) 2022; 7:34. [PMID: 35466251 PMCID: PMC9036199 DOI: 10.3390/biomimetics7020034] [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: 02/22/2022] [Revised: 03/09/2022] [Accepted: 03/23/2022] [Indexed: 01/27/2023] Open
Abstract
Collagen is the most widely distributed protein in human body. Within the field of tissue engineering and regenerative medical applications, collagen-based biomaterials have been extensively growing over the past decades. The focus of this review is mainly on periodontal regeneration. Currently, multiple innovations of collagen-based biomaterials have evolved, from hemostatic collagen sponges to bone/tissue regenerative scaffolds and injectable collagen matrices for gene or cell regenerative therapy. Collagen sources also differ from animal to marine and plant-extracted recombinant human type I collagen (rhCOL1). Animal-derived collagen has a number of substantiated concerns such as pathogenic contamination and transmission and immunogenicity, and rhCOL1 is a potential solution to those aforementioned issues. This review presents a brief overview of periodontal regeneration. Also, current applications of collagen-based biomaterials and their mechanisms for periodontal regeneration are provided. Finally, special attention is paid to mechanical, chemical, and biological properties of rhCOL1 in pre-clinical and clinical studies, and its future perspectives in periodontal regeneration are discussed.
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Affiliation(s)
- Thunwa Binlateh
- Institute of Research and Development, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand;
| | - Peungchaleoy Thammanichanon
- Institute of Dentistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; (P.T.); (P.R.); (N.T.)
| | - Pawornwan Rittipakorn
- Institute of Dentistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; (P.T.); (P.R.); (N.T.)
| | - Natthapol Thinsathid
- Institute of Dentistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; (P.T.); (P.R.); (N.T.)
| | - Paiboon Jitprasertwong
- Institute of Dentistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; (P.T.); (P.R.); (N.T.)
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22
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Solarte David VA, Güiza-Argüello VR, Arango-Rodríguez ML, Sossa CL, Becerra-Bayona SM. Decellularized Tissues for Wound Healing: Towards Closing the Gap Between Scaffold Design and Effective Extracellular Matrix Remodeling. Front Bioeng Biotechnol 2022; 10:821852. [PMID: 35252131 PMCID: PMC8896438 DOI: 10.3389/fbioe.2022.821852] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/28/2022] [Indexed: 12/27/2022] Open
Abstract
The absence or damage of a tissue is the main cause of most acute or chronic diseases and are one of the appealing challenges that novel therapeutic alternatives have, in order to recover lost functions through tissue regeneration. Chronic cutaneous lesions are the most frequent cause of wounds, being a massive area of regenerative medicine and tissue engineering to have efforts to develop new bioactive medical products that not only allow an appropriate and rapid healing, but also avoid severe complications such as bacterial infections. In tissue repair and regeneration processes, there are several overlapping stages that involve the synergy of cells, the extracellular matrix (ECM) and biomolecules, which coordinate processes of ECM remodeling as well as cell proliferation and differentiation. Although these three components play a crucial role in the wound healing process, the ECM has the function of acting as a biological platform to permit the correct interaction between them. In particular, ECM is a mixture of crosslinked proteins that contain bioactive domains that cells recognize in order to promote migration, proliferation and differentiation. Currently, tissue engineering has employed several synthetic polymers to design bioactive scaffolds to mimic the native ECM, by combining biopolymers with growth factors including collagen and fibrinogen. Among these, decellularized tissues have been proposed as an alternative for reconstructing cutaneous lesions since they maintain the complex protein conformation, providing the required functional domains for cell differentiation. In this review, we present an in-depth discussion of different natural matrixes recently employed for designing novel therapeutic alternatives for treating cutaneous injuries, and overview some future perspectives in this area.
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Affiliation(s)
- Víctor Alfonso Solarte David
- Program of Medicine, Faculty of Health Sciences, Universidad Autónoma de Bucaramanga, Bucaramanga, Colombia
- Program of Biomedical Engineering, Faculty of Engineering, Universidad Autónoma de Bucaramanga, Bucaramanga, Colombia
| | - Viviana Raquel Güiza-Argüello
- Metallurgical Engineering and Materials Science Department, Faculty of Physicochemical Engineering, Universidad Industrial de Santander, Bucaramanga, Colombia
| | - Martha L. Arango-Rodríguez
- Multi-tissue Bank and Advanced Therapy Center, Fundación Oftalmológica de Santander, Clínica Carlos Ardila Lulle, Floridablanca, Colombia
| | - Claudia L. Sossa
- Program of Medicine, Faculty of Health Sciences, Universidad Autónoma de Bucaramanga, Bucaramanga, Colombia
- Multi-tissue Bank and Advanced Therapy Center, Fundación Oftalmológica de Santander, Clínica Carlos Ardila Lulle, Floridablanca, Colombia
| | - Silvia M. Becerra-Bayona
- Program of Medicine, Faculty of Health Sciences, Universidad Autónoma de Bucaramanga, Bucaramanga, Colombia
- *Correspondence: Silvia M. Becerra-Bayona,
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23
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Composite Membrane Dressings System with Metallic Nanoparticles as an Antibacterial Factor in Wound Healing. MEMBRANES 2022; 12:membranes12020215. [PMID: 35207136 PMCID: PMC8876280 DOI: 10.3390/membranes12020215] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/26/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023]
Abstract
Wound management is the burning problem of modern medicine, significantly burdening developed countries’ healthcare systems. In recent years, it has become clear that the achievements of nanotechnology have introduced a new quality in wound healing. The application of nanomaterials in wound dressing significantly improves their properties and promotes the healing of injuries. Therefore, this review paper presents the subjectively selected nanomaterials used in wound dressings, including the metallic nanoparticles (NPs), and refers to the aspects of their application as antimicrobial factors. The literature review was supplemented with the results of our team’s research on the elements of multifunctional new-generation dressings containing nanoparticles. The wound healing multiple molecular pathways, mediating cell types, and affecting agents are discussed herein. Moreover, the categorization of wound dressings is presented. Additionally, some materials and membrane constructs applied in wound dressings are described. Finally, bacterial participation in wound healing and the mechanism of the antibacterial function of nanoparticles are considered. Membranes involving NPs as the bacteriostatic factors for improving wound healing of skin and bones, including our experimental findings, are discussed in the paper. In addition, some studies of our team concerning the selected bacterial strains’ interaction with material involving different metallic NPs, such as AuNPs, AgNPs, Fe3O4NPs, and CuNPs, are presented. Furthermore, nanoparticles’ influence on selected eukaryotic cells is mentioned. The ideal, universal wound dressing still has not been obtained; thus, a new generation of products have been developed, represented by the nanocomposite materials with antibacterial, anti-inflammatory properties that can influence the wound-healing process.
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Abstract
Biopolymers have gained significant attention as a class of polymer materials with a wide range of applications, especially in the medical and pharmaceutical field. Due to particular characteristics, such as biocompatibility, biodegradability, non-toxicity, and functionality, they have become promising candidates for various surgical applications, including as bioadhesives, sealants, wound dressings, sutures, drug carriers, coating materials, etc. Recent research shows that further modification of biopolymers by advanced techniques can improve their functionality i.e., antibacterial activity, cell viability, drug-releasing capability, good wet adhesion performance, and good mechanical properties. This mini review aims to provide a brief report on the type of biopolymers and recent developments regarding their use in various surgical applications.
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25
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Immunomodulation of Skin Repair: Cell-Based Therapeutic Strategies for Skin Replacement (A Comprehensive Review). Biomedicines 2022; 10:biomedicines10010118. [PMID: 35052797 PMCID: PMC8773777 DOI: 10.3390/biomedicines10010118] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 12/12/2022] Open
Abstract
The immune system has a crucial role in skin wound healing and the application of specific cell-laden immunomodulating biomaterials emerged as a possible treatment option to drive skin tissue regeneration. Cell-laden tissue-engineered skin substitutes have the ability to activate immune pathways, even in the absence of other immune-stimulating signals. In particular, mesenchymal stem cells with their immunomodulatory properties can create a specific immune microenvironment to reduce inflammation, scarring, and support skin regeneration. This review presents an overview of current wound care techniques including skin tissue engineering and biomaterials as a novel and promising approach. We highlight the plasticity and different roles of immune cells, in particular macrophages during various stages of skin wound healing. These aspects are pivotal to promote the regeneration of nonhealing wounds such as ulcers in diabetic patients. We believe that a better understanding of the intrinsic immunomodulatory features of stem cells in implantable skin substitutes will lead to new translational opportunities. This, in turn, will improve skin tissue engineering and regenerative medicine applications.
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26
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Masri S, Zawani M, Zulkiflee I, Salleh A, Fadilah NIM, Maarof M, Wen APY, Duman F, Tabata Y, Aziz IA, Bt Hj Idrus R, Fauzi MB. Cellular Interaction of Human Skin Cells towards Natural Bioink via 3D-Bioprinting Technologies for Chronic Wound: A Comprehensive Review. Int J Mol Sci 2022; 23:476. [PMID: 35008902 PMCID: PMC8745539 DOI: 10.3390/ijms23010476] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/20/2021] [Accepted: 12/24/2021] [Indexed: 12/22/2022] Open
Abstract
Skin substitutes can provide a temporary or permanent treatment option for chronic wounds. The selection of skin substitutes depends on several factors, including the type of wound and its severity. Full-thickness skin grafts (SGs) require a well-vascularised bed and sometimes will lead to contraction and scarring formation. Besides, donor sites for full-thickness skin grafts are very limited if the wound area is big, and it has been proven to have the lowest survival rate compared to thick- and thin-split thickness. Tissue engineering technology has introduced new advanced strategies since the last decades to fabricate the composite scaffold via the 3D-bioprinting approach as a tissue replacement strategy. Considering the current global donor shortage for autologous split-thickness skin graft (ASSG), skin 3D-bioprinting has emerged as a potential alternative to replace the ASSG treatment. The three-dimensional (3D)-bioprinting technique yields scaffold fabrication with the combination of biomaterials and cells to form bioinks. Thus, the essential key factor for success in 3D-bioprinting is selecting and developing suitable bioinks to maintain the mechanisms of cellular activity. This crucial stage is vital to mimic the native extracellular matrix (ECM) for the sustainability of cell viability before tissue regeneration. This comprehensive review outlined the application of the 3D-bioprinting technique to develop skin tissue regeneration. The cell viability of human skin cells, dermal fibroblasts (DFs), and keratinocytes (KCs) during in vitro testing has been further discussed prior to in vivo application. It is essential to ensure the printed tissue/organ constantly allows cellular activities, including cell proliferation rate and migration capacity. Therefore, 3D-bioprinting plays a vital role in developing a complex skin tissue structure for tissue replacement approach in future precision medicine.
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Affiliation(s)
- Syafira Masri
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Mazlan Zawani
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Izzat Zulkiflee
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Atiqah Salleh
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Nur Izzah Md Fadilah
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Manira Maarof
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Adzim Poh Yuen Wen
- Department of Surgery, Hospital Canselor Tuanku Muhriz, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Fatih Duman
- Department of Biology, Faculty of Science, University of Erciyes, 38039 Kayseri, Turkey
| | - Yasuhiko Tabata
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
- Department of Biomaterials, Institute of Frontier Medical Science, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Izhar Abd Aziz
- 3D Gens Sdn Bhd, 18, Jalan Kerawang U8/108, Bukit Jelutong, Shah Alam 40150, Malaysia
| | - Ruszymah Bt Hj Idrus
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia
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27
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Savitri C, Kwon JW, Drobyshava V, Ha SS, Park K. M2 Macrophage-Derived Concentrated Conditioned Media Significantly Improves Skin Wound Healing. Tissue Eng Regen Med 2021; 19:617-628. [PMID: 34962626 PMCID: PMC9130431 DOI: 10.1007/s13770-021-00414-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Macrophages, with many different phenotypes play a major role during wound healing process, secreting the cytokines crucial to angiogenesis, cell recruitment and ECM remodeling. Therefore, macrophage-derived cytokines may be attractive therapeutic resource for wound healing. METHODS To obtain a conditioned media (CM) from macrophages, human monocyte THP-1 cells were seeded on TCP or human fibroblast-derived matrix (hFDM) and they were differentiated into M1 or M2 phenotype using distinct protocols. A combination of different substrates and macrophage phenotypes produced M1- and M2-CM or M1-hFDM- and M2-hFDM-CM, respectively. Proteome microarray determines the cytokine contents in those CMs. CMs-treated human dermal fibroblast (hDFB) was analyzed using collagen synthesis and wound scratch assay. Concentrated form of the CM (CCM), obtained by high-speed centrifugation, was administered to a murine full-thickness wound model using alginate patch, where alginate patch was incubated in the M2-CCM overnight at 4 °C before transplantation. On 14 day post-treatment, examination was carried out through H&E and Herovici staining. Keratinocyte and M2 macrophages were also evaluated via immunofluorescence staining. RESULTS Cytokine analysis of CMs found CCL1, CCL5, and G-CSF, where CCL5 is more dominant. We found increased collagen synthesis and faster wound closure in hDFB treated with M2-CM. Full-thickness wounds treated by M2-hFDM-CCM containing alginate patch showed early wound closure, larger blood vessels, increased mature collagen deposition, enhanced keratinocyte maturation and more M2-macrophage population. CONCLUSION Our study demonstrated therapeutic potential of the CM derived from M2 macrophages, where the cytokines in the CM may have played an active role for enhanced wound healing.
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Affiliation(s)
- Cininta Savitri
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
| | - Jae Won Kwon
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
| | - Valeryia Drobyshava
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
| | - Sang Su Ha
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea
| | - Kwideok Park
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
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28
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Holl J, Pawlukianiec C, Corton Ruiz J, Groth D, Grubczak K, Hady HR, Dadan J, Reszec J, Czaban S, Kowalewski C, Moniuszko M, Eljaszewicz A. Skin Substitute Preparation Method Induces Immunomodulatory Changes in Co-Incubated Cells through Collagen Modification. Pharmaceutics 2021; 13:2164. [PMID: 34959443 PMCID: PMC8705760 DOI: 10.3390/pharmaceutics13122164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/07/2021] [Accepted: 12/09/2021] [Indexed: 12/02/2022] Open
Abstract
Chronic ulcerative and hard-healing wounds are a growing global concern. Skin substitutes, including acellular dermal matrices (ADMs), have shown beneficial effects in healing processes. Presently, the vast majority of currently available ADMs are processed from xenobiotic or cadaveric skin. Here we propose a novel strategy for ADM preparation from human abdominoplasty-derived skin. Skin was processed using three different methods of decellularization involving the use of ionic detergent (sodium dodecyl sulfate; SDS, in hADM 1), non-ionic detergent (Triton X-100 in hADM 2), and a combination of recombinant trypsin and Triton X-100 (in hADM 3). We next evaluated the immunogenicity and immunomodulatory properties of this novel hADM by using an in vitro model of peripheral blood mononuclear cell culture, flow cytometry, and cytokine assays. We found that similarly sourced but differentially processed hADMs possess distinct immunogenicity. hADM 1 showed no immunogenic effects as evidenced by low T cell proliferation and no significant change in cytokine profile. In contrast, hADMs 2 and 3 showed relatively higher immunogenicity. Moreover, our novel hADMs exerted no effect on T cell composition after three-day of coincubation. However, we observed significant changes in the composition of monocytes, indicating their maturation toward a phenotype possessing anti-inflammatory and pro-angiogenic properties. Taken together, we showed here that abdominoplasty skin is suitable for hADM manufacturing. More importantly, the use of SDS-based protocols for the purposes of dermal matrix decellularization allows for the preparation of non-immunogenic scaffolds with high therapeutic potential. Despite these encouraging results, further studies are needed to evaluate the beneficial effects of our hADM 1 on deep and hard-healing wounds.
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Affiliation(s)
- Jordan Holl
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
| | - Cezary Pawlukianiec
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
| | - Javier Corton Ruiz
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
| | - Dawid Groth
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
| | - Kamil Grubczak
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
| | - Hady Razak Hady
- 1st Clinical Department of General and Endocrine Surgery, Faculty of Medicine, Medical University of Białystok, 15-276 Białystok, Poland; (H.R.H.); (J.D.)
| | - Jacek Dadan
- 1st Clinical Department of General and Endocrine Surgery, Faculty of Medicine, Medical University of Białystok, 15-276 Białystok, Poland; (H.R.H.); (J.D.)
| | - Joanna Reszec
- Department of Medical Pathomorphology, Faculty of Medicine, Medical University of Białystok, 15-269 Białystok, Poland;
| | - Slawomir Czaban
- Department of Anesthesiology & Intensive Therapy, Faculty of Medicine, Medical University of Białystok, 15-276 Białystok, Poland;
| | - Cezary Kowalewski
- Department of Dermatology and Immunodermatology, Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | - Marcin Moniuszko
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
- Department of Allergology and Internal Medicine, Faculty of Health Sciences, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Andrzej Eljaszewicz
- Department of Regenerative Medicine and Immune Regulation, Faculty of Medicine, Medical University of Bialystok, 15-269 Białystok, Poland; (J.H.); (C.P.); (J.C.R.); (D.G.); (K.G.)
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29
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Torregrossa M, Kakpenova A, Simon JC, Franz S. Modulation of macrophage functions by ECM-inspired wound dressings - a promising therapeutic approach for chronic wounds. Biol Chem 2021; 402:1289-1307. [PMID: 34390641 DOI: 10.1515/hsz-2021-0145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 08/02/2021] [Indexed: 12/24/2022]
Abstract
Nonhealing chronic wounds are among the most common skin disorders with increasing incidence worldwide. However, their treatment is still dissatisfying, that is why novel therapeutic concepts targeting the sustained inflammatory process have emerged. Increasing understanding of chronic wound pathologies has put macrophages in the spotlight of such approaches. Herein, we review current concepts and perspectives of therapeutic macrophage control by ECM-inspired wound dressing materials. We provide an overview of the current understanding of macrophage diversity with particular view on their roles in skin and in physiological and disturbed wound healing processes. Based on this we discuss strategies for their modulation in chronic wounds and how such strategies can be tailored in ECM-inspired wound dressing. The latter utilize and mimic general principles of ECM-mediated cell control, such as binding and delivery of signaling molecules and direct signaling to cells specifically adapted for macrophage regulation in wounds. In this review, we present examples of most recent approaches and discuss ideas for their further development.
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Affiliation(s)
- Marta Torregrossa
- Department of Dermatology, Venerology and Allergology, Max Bürger Research Centre, Leipzig University, Johannisallee 30, D-04103 Leipzig, Germany
| | - Ainur Kakpenova
- Department of Dermatology, Venerology and Allergology, Max Bürger Research Centre, Leipzig University, Johannisallee 30, D-04103 Leipzig, Germany
| | - Jan C Simon
- Department of Dermatology, Venerology and Allergology, Max Bürger Research Centre, Leipzig University, Johannisallee 30, D-04103 Leipzig, Germany
| | - Sandra Franz
- Department of Dermatology, Venerology and Allergology, Max Bürger Research Centre, Leipzig University, Johannisallee 30, D-04103 Leipzig, Germany
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30
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Tan J, Zhang QY, Huang LP, Huang K, Xie HQ. Decellularized scaffold and its elicited immune response towards the host: the underlying mechanism and means of immunomodulatory modification. Biomater Sci 2021; 9:4803-4820. [PMID: 34018503 DOI: 10.1039/d1bm00470k] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The immune response of the host towards a decellularized scaffold is complex. Not only can a number of immune cells influence this process, but also the characteristics, preparation and modification of the decellularized scaffold can significantly impact this reaction. Such factors can, together or alone, trigger immune cells to polarize towards either a pro-healing or pro-inflammatory direction. In this article, we have comprehensively reviewed factors which may influence the immune response of the host towards a decellularized scaffold, including the source of the biomaterial, biophysical properties or modifications of the scaffolds with bioactive peptides, drugs and cytokines. Furthermore, the underlying mechanism has also been recapitulated.
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Affiliation(s)
- Jie Tan
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Qing-Yi Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Li-Ping Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Kai Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
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An overview of the prospects of extracting collagens from waste sources and its applications. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01768-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Naomi R, Bahari H, Ridzuan PM, Othman F. Natural-Based Biomaterial for Skin Wound Healing (Gelatin vs. Collagen): Expert Review. Polymers (Basel) 2021; 13:2319. [PMID: 34301076 PMCID: PMC8309321 DOI: 10.3390/polym13142319] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/11/2021] [Accepted: 06/11/2021] [Indexed: 12/28/2022] Open
Abstract
Collagen (Col) and gelatin are most extensively used in various fields, particularly in pharmaceuticals and therapeutics. Numerous researchers have proven that they are highly biocompatible to human tissues, exhibit low antigenicity and are easy to degrade. Despite their different sources both Col and gelatin have almost the same effects when it comes to wound healing mechanisms. Considering this, the bioactivity and biological effects of both Col and gelatin have been, and are being, constantly investigated through in vitro and in vivo assays to obtain maximum outcomes in the future. With regard to their proven nutritional values as sources of protein, Col and gelatin products exert various possible biological activities on cells in the extracellular matrix (ECM). In addition, a vast number of novel Col and gelatin applications have been discovered. This review compared Col and gelatin in terms of their structures, sources of derivatives, physicochemical properties, results of in vitro and in vivo studies, their roles in wound healing and the current challenges in wound healing. Thus, this review provides the current insights and the latest discoveries on both Col and gelatin in their wound healing mechanisms.
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Affiliation(s)
- Ruth Naomi
- Department of Human Anatomy, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (R.N.); (H.B.)
| | - Hasnah Bahari
- Department of Human Anatomy, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (R.N.); (H.B.)
| | | | - Fezah Othman
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
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Mathew-Steiner SS, Roy S, Sen CK. Collagen in Wound Healing. Bioengineering (Basel) 2021; 8:63. [PMID: 34064689 PMCID: PMC8151502 DOI: 10.3390/bioengineering8050063] [Citation(s) in RCA: 273] [Impact Index Per Article: 91.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/27/2021] [Accepted: 05/01/2021] [Indexed: 12/12/2022] Open
Abstract
Normal wound healing progresses through inflammatory, proliferative and remodeling phases in response to tissue injury. Collagen, a key component of the extracellular matrix, plays critical roles in the regulation of the phases of wound healing either in its native, fibrillar conformation or as soluble components in the wound milieu. Impairments in any of these phases stall the wound in a chronic, non-healing state that typically requires some form of intervention to guide the process back to completion. Key factors in the hostile environment of a chronic wound are persistent inflammation, increased destruction of ECM components caused by elevated metalloproteinases and other enzymes and improper activation of soluble mediators of the wound healing process. Collagen, being central in the regulation of several of these processes, has been utilized as an adjunct wound therapy to promote healing. In this work the significance of collagen in different biological processes relevant to wound healing are reviewed and a summary of the current literature on the use of collagen-based products in wound care is provided.
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Affiliation(s)
| | | | - Chandan K. Sen
- Indiana Center for Regenerative Medicine and Engineering, School of Medicine, Indiana University, Indianapolis, IN 46202, USA; (S.S.M.-S.); (S.R.)
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Du C, Li Y, Xia X, Du E, Lin Y, Lian J, Ren C, Li S, Wei W, Qin Y. Identification of a novel collagen-like peptide by high-throughput screening for effective wound-healing therapy. Int J Biol Macromol 2021; 173:541-553. [PMID: 33493562 DOI: 10.1016/j.ijbiomac.2021.01.104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/06/2021] [Accepted: 01/15/2021] [Indexed: 10/22/2022]
Abstract
Tissue regeneration and wound healing are still serious clinical complications globally and lack satisfactory cures. Inspired by the impressive regeneration ability of the post-injury earthworms and their widely accepted medicinal properties, we screened and identified a novel collagen-like peptide from the amputated earthworms using high-throughput techniques, including transcriptomics, proteomics, and mass spectrum. The identified collagen-like peptide col4a1 was cloned and expressed to comprehensively investigate the wound healing effect and underlying mechanism. It exerted significant effects on wound healing both in vitro and in vivo, including enhanced viability, proliferation, migration of fibroblasts, granulation, and collagen deposition. Moreover, the col4a1 functioned via binding with integrin α2β1 and upregulating the RAS/MAPK signaling pathway. This work demonstrates that the novel collagen-like peptide col4a1 obtained from the amputated earthworms enables enhanced wound healing and provides new opportunities for wound care.
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Affiliation(s)
- Chunyu Du
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China
| | - Ying Li
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China
| | - Xiaoling Xia
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China
| | - Erxia Du
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China
| | - Yuhua Lin
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Junyi Lian
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Chonghua Ren
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China
| | - Sheng Li
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China
| | - Wei Wei
- MOE & Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Yiru Qin
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China.
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Holl J, Kowalewski C, Zimek Z, Fiedor P, Kaminski A, Oldak T, Moniuszko M, Eljaszewicz A. Chronic Diabetic Wounds and Their Treatment with Skin Substitutes. Cells 2021; 10:cells10030655. [PMID: 33804192 PMCID: PMC8001234 DOI: 10.3390/cells10030655] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 12/11/2022] Open
Abstract
With the global prevalence of type 2 diabetes mellitus steeply rising, instances of chronic, hard-healing, or non-healing diabetic wounds and ulcers are predicted to increase. The growing understanding of healing and regenerative mechanisms has elucidated critical regulators of this process, including key cellular and humoral components. Despite this, the management and successful treatment of diabetic wounds represents a significant therapeutic challenge. To this end, the development of novel therapies and biological dressings has gained increased interest. Here we review key differences between normal and chronic non-healing diabetic wounds, and elaborate on recent advances in wound healing treatments with a particular focus on biological dressings and their effect on key wound healing pathways.
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Affiliation(s)
- Jordan Holl
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, 15-269 Bialystok, Poland;
| | - Cezary Kowalewski
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, 02-008 Warsaw, Poland;
| | - Zbigniew Zimek
- Institute of Nuclear Chemistry and Technology, 03-195 Warsaw, Poland;
| | - Piotr Fiedor
- Department of General and Transplantation Surgery, Medical University of Warsaw, 02-006 Warsaw, Poland;
| | - Artur Kaminski
- Department of Transplantology and Central Tissue Bank, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | - Tomasz Oldak
- Polish Stem Cell Bank (PBKM), 00-867 Warsaw, Poland;
| | - Marcin Moniuszko
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, 15-269 Bialystok, Poland;
- Department of Allergology and Internal Medicine, Medical University of Białystok, 15-276 Białystok, Poland
- Correspondence: (M.M.); (A.E.); Tel.: +48-85-748-59-72 (M.M. & A.E.); Fax: +48-85-748-59-71 (M.M. & A.E.)
| | - Andrzej Eljaszewicz
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, 15-269 Bialystok, Poland;
- Correspondence: (M.M.); (A.E.); Tel.: +48-85-748-59-72 (M.M. & A.E.); Fax: +48-85-748-59-71 (M.M. & A.E.)
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Gnyawali SC, Sinha M, El Masry MS, Wulff B, Ghatak S, Soto-Gonzalez F, Wilgus TA, Roy S, Sen CK. High resolution ultrasound imaging for repeated measure of wound tissue morphometry, biomechanics and hemodynamics under fetal, adult and diabetic conditions. PLoS One 2020; 15:e0241831. [PMID: 33227015 PMCID: PMC7682876 DOI: 10.1371/journal.pone.0241831] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 10/21/2020] [Indexed: 02/07/2023] Open
Abstract
Non-invasive, repeated interrogation of the same wound is necessary to understand the tissue repair continuum. In this work, we sought to test the significance of non-invasive high-frequency high-resolution ultrasound technology for such interrogation. High-frequency high-resolution ultrasound imaging was employed to investigate wound healing under fetal and adult conditions. Quantitative tissue cellularity and elastic strain was obtained for visualization of unresolved inflammation using Vevo strain software. Hemodynamic properties of the blood flow in the artery supplying the wound-site were studied using color Doppler flow imaging. Non-invasive monitoring of fetal and adult wound healing provided unprecedented biomechanical and functional insight. Fetal wounds showed highly accelerated closure with transient perturbation of wound tissue cellularity. Fetal hemodynamics was unique in that sharp fall in arterial pulse pressure (APP) which was rapidly restored within 48h post-wounding. In adults, APP transiently increased post-wounding before returning to the pre-wounding levels by d10 post-wounding. The pattern of change in the elasticity of wound-edge tissue of diabetics was strikingly different. Severe strain acquired during the early inflammatory phase persisted with a slower recovery of elasticity compared to that of the non-diabetic group. Wound bed of adult diabetic mice (db/db) showed persistent hypercellularity compared to littermate controls (db/+) indicative of prolonged inflammation. Normal skin strain of db/+ and db/db were asynchronous. In db/db, severe strain acquired during the early inflammatory phase persisted with a slower recovery of elasticity compared to that of non-diabetics. This study showcases a versatile clinically relevant imaging platform suitable for real-time analyses of functional wound healing.
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Affiliation(s)
- Surya C. Gnyawali
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
| | - Mithun Sinha
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
- Department of Surgery, IUH Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Mohamed S. El Masry
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
- Department of Surgery, IUH Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, United States of America
- Department of Plastic and Reconstructive Surgery, Zagazig University, Zagazig, Egypt
| | - Brian Wulff
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
| | - Subhadip Ghatak
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
- Department of Surgery, IUH Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Fidel Soto-Gonzalez
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
| | - Traci A. Wilgus
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
| | - Sashwati Roy
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
- Department of Surgery, IUH Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Chandan K. Sen
- Department of Surgery, Davis Heart and Lung Research Institute, Center for Regenerative Medicine & Cell-Based Therapies, The Ohio State University Wexner Medical Center, Columbus, OH, United States of America
- Department of Surgery, IUH Comprehensive Wound Center, Indiana Center for Regenerative Medicine and Engineering, Indiana University School of Medicine, Indianapolis, IN, United States of America
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Zhou X, Brown BA, Siegel AP, El Masry MS, Zeng X, Song W, Das A, Khandelwal P, Clark A, Singh K, Guda PR, Gorain M, Timsina L, Xuan Y, Jacobson SC, Novotny MV, Roy S, Agarwal M, Lee RJ, Sen CK, Clemmer DE, Ghatak S. Exosome-Mediated Crosstalk between Keratinocytes and Macrophages in Cutaneous Wound Healing. ACS NANO 2020; 14:12732-12748. [PMID: 32931251 PMCID: PMC7970718 DOI: 10.1021/acsnano.0c03064] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Bidirectional cell-cell communication involving exosome-borne cargo such as miRNA has emerged as a critical mechanism for wound healing. Unlike other shedding vesicles, exosomes selectively package miRNA by SUMOylation of heterogeneous nuclear ribonucleoproteinA2B1 (hnRNPA2B1). In this work, we elucidate the significance of exosome in keratinocyte-macrophage crosstalk following injury. Keratinocyte-derived exosomes were genetically labeled with GFP-reporter (Exoκ-GFP) using tissue nanotransfection (TNT), and they were isolated from dorsal murine skin and wound-edge tissue by affinity selection using magnetic beads. Surface N-glycans of Exoκ-GFP were also characterized. Unlike skin exosome, wound-edge Exoκ-GFP demonstrated characteristic N-glycan ions with abundance of low-base-pair RNA and was selectively engulfed by wound macrophages (ωmϕ) in granulation tissue. In vitro addition of wound-edge Exoκ-GFP to proinflammatory ωmϕ resulted in conversion to a proresolution phenotype. To selectively inhibit miRNA packaging within Exoκ-GFPin vivo, pH-responsive keratinocyte-targeted siRNA-hnRNPA2B1 functionalized lipid nanoparticles (TLNPκ) were designed with 94.3% encapsulation efficiency. Application of TLNPκ/si-hnRNPA2B1 to the murine dorsal wound-edge significantly inhibited expression of hnRNPA2B1 by 80% in epidermis compared to the TLNPκ/si-control group. Although no significant difference in wound closure or re-epithelialization was observed, the TLNPκ/si-hnRNPA2B1 treated group showed a significant increase in ωmϕ displaying proinflammatory markers in the granulation tissue at day 10 post-wounding compared to the TLNPκ/si-control group. Furthermore, TLNPκ/si-hnRNPA2B1 treated mice showed impaired barrier function with diminished expression of epithelial junctional proteins, lending credence to the notion that unresolved inflammation results in leaky skin. This work provides insight wherein Exoκ-GFP is recognized as a major contributor that regulates macrophage trafficking and epithelial barrier properties postinjury.
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Affiliation(s)
- Xiaoju Zhou
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Brooke A. Brown
- Department of Chemistry, Indiana University, Bloomington, IN, 47405, USA
| | - Amanda P. Siegel
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Integrated Nanosystems Development Institute, Indiana University–Purdue University Indianapolis, IN, 46202, USA
| | - Mohamed S. El Masry
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Department of Plastic and Reconstructive Surgery, Zagazig University, 44519, Egypt
| | - Xuyao Zeng
- Department of Chemistry, Indiana University, Bloomington, IN, 47405, USA
| | - Woran Song
- Department of Chemistry, Indiana University, Bloomington, IN, 47405, USA
| | - Amitava Das
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Puneet Khandelwal
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Andrew Clark
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Kanhaiya Singh
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Poornachander R. Guda
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Mahadeo Gorain
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Lava Timsina
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Center for Outcomes Research, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Yi Xuan
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | | | - Milos V. Novotny
- Department of Chemistry, Indiana University, Bloomington, IN, 47405, USA
| | - Sashwati Roy
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Mangilal Agarwal
- Integrated Nanosystems Development Institute, Indiana University–Purdue University Indianapolis, IN, 46202, USA
| | - Robert J. Lee
- Division of Pharmaceutics and Pharmacology, The Ohio State University, Columbus, OH, 43210, USA
| | - Chandan K. Sen
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - David E. Clemmer
- Department of Chemistry, Indiana University, Bloomington, IN, 47405, USA
- Corresponding Authors: Subhadip Ghatak, PhD, Tel: 317-278-2711; , David E. Clemmer, PhD, Tel: 812-855-8259;
| | - Subhadip Ghatak
- Indiana Center for Regenerative Medicine & Engineering, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Corresponding Authors: Subhadip Ghatak, PhD, Tel: 317-278-2711; , David E. Clemmer, PhD, Tel: 812-855-8259;
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Panayi AC, Haug V, Liu Q, Wu M, Karvar M, Aoki S, Ma C, Hamaguchi R, Endo Y, Orgill DP. Novel application of autologous micrografts in a collagen-glycosaminoglycan scaffold for diabetic wound healing. Biomed Mater 2020; 16. [PMID: 33091888 DOI: 10.1088/1748-605x/abc3dc] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/22/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Therapeutic strategies that successfully combine two techniques-autologous micrografting and biodegradable scaffolds-offer great potential for improved wound repair and decreased scarring. In this study we evaluate the efficacy of a novel modification of a collagen-glycosaminoglycan scaffold with autologous micrografts using a murine dorsal wound model. METHODS db/db mice underwent dorsal wound excision and were treated with a collagen-glycosaminoglycan scaffold (CGS), a modified collagen-glycosaminoglycan scaffold (CGS+MG) or simple occlusive dressing (Blank). The modified scaffold was created by harvesting full thickness micrografts and transplanting these into the collagen-glycosaminoglycan membrane. Parameters of wound healing, including cellular proliferation, collagen deposition, keratinocyte migration, and angiogenesis were assessed. RESULTS The group treated with the micrograft-modified scaffold healed at a faster rate, showed greater cellular proliferation, collagen deposition, and keratinocyte migration with higher density and greater maturity of microvessels. The grafts remained viable within the scaffold with no evidence of rejection. Keratinocytes were shown to migrate from the wound border and from the micrograft edges towards the center of the wound, while cellular proliferation was present both at the wound border and wound bed. CONCLUSION We report successful treatment of diabetic wounds with a novel collagen-glycosaminoglycan scaffold modified with full-thickness automicrografts. Differences in cellular migration and proliferation offer maiden evidence on the mechanisms of wound healing. Clinically, the successful scaffold engraftment, micrograft viability and improved wound healing offer promising results for the development of a new therapeutic modality for wound repair.
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Affiliation(s)
| | | | - Qinxin Liu
- Brigham and Women's Hospital, Boston, UNITED STATES
| | - Mengfan Wu
- Brigham and Women's Hospital, Boston, UNITED STATES
| | | | - Shimpo Aoki
- Brigham and Women's Hospital, Boston, UNITED STATES
| | - Chenhao Ma
- Brigham and Women's Hospital, Boston, UNITED STATES
| | | | - Yori Endo
- Brigham and Women's Hospital, Boston, UNITED STATES
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Çankirili NK, Kart D, Çelebi-Saltik B. Evaluation of the biofilm formation of Staphylococcus aureus and Pseudomonas aeruginosa on human umbilical cord CD146+ stem cells and stem cell-based decellularized matrix. Cell Tissue Bank 2020; 21:215-231. [PMID: 32020424 DOI: 10.1007/s10561-020-09815-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 01/30/2020] [Indexed: 02/06/2023]
Abstract
This study aims to evaluate the CD146+ stem cells obtained from the human umbilical cord and their extracellular matrix proteins on in vitro Pseudomonas aeruginosa and Staphylococcus aureus biofilms to understand their possible antimicrobial activity. CD146+ stem cells were determined according to cell surface markers and differentiation capacity. Characterization of the decellularized matrix was done with DAPI, Masson's Trichrome staining and proteome analysis. Cell viability/proliferation of cells in co-cultures was evaluated by WST-1 and crystal-violet staining. The effects of cells and decellularized matrix proteins on biofilms were investigated on a drip flow biofilm reactor and their effects on gene expression were determined by RT-qPCR. We observed that CD146/105+ stem cells could differentiate adipogenically and decellularized matrix showed negative DAPI and positive collagen staining with Masson' s Trichrome. Proteome analysis of the decellularized matrix revealed some matrix components and growth factors. Although the decellularized matrix significantly reduced the cell counts of P. aeruginosa, no significant difference was observed for S. aureus cells in both groups. Supporting data was obtained from the gene expression results of P. aeruginosa with the significant down-regulation of rhlR and lasR. For S. aureus, icaADBC genes were significantly up-regulated when grown on the decellularized matrix.
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Affiliation(s)
- Nur Kübra Çankirili
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, 06100, Sihhiye, Ankara, Turkey
- Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey
| | - Didem Kart
- Department of Pharmaceutical Microbiology, Hacettepe University Faculty of Pharmacy, 06100, Sihhiye, Ankara, Turkey
| | - Betül Çelebi-Saltik
- Department of Stem Cell Sciences, Hacettepe University Graduate School of Health Sciences, 06100, Sihhiye, Ankara, Turkey.
- Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.
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Liu F, Li X, Wang L, Yan X, Ma D, Liu Z, Liu X. Sesamol incorporated cellulose acetate-zein composite nanofiber membrane: An efficient strategy to accelerate diabetic wound healing. Int J Biol Macromol 2020; 149:627-638. [DOI: 10.1016/j.ijbiomac.2020.01.277] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 12/21/2022]
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A Modified Collagen Dressing Induces Transition of Inflammatory to Reparative Phenotype of Wound Macrophages. Sci Rep 2019; 9:14293. [PMID: 31586077 PMCID: PMC6778115 DOI: 10.1038/s41598-019-49435-z] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 08/22/2019] [Indexed: 12/11/2022] Open
Abstract
Collagen containing wound-care dressings are extensively used. However, the mechanism of action of these dressings remain unclear. Earlier studies utilizing a modified collagen gel (MCG) dressing demonstrated improved vascularization of ischemic wounds and better healing outcomes. Wound macrophages are pivotal in facilitating wound angiogenesis and timely healing. The current study was designed to investigate the effect of MCG on wound macrophage phenotype and function. MCG augmented recruitment of macrophage at the wound-site, attenuated pro-inflammatory and promoted anti-inflammatory macrophage polarization. Additionally, MCG increased anti-inflammatory IL-10, IL-4 and pro-angiogenic VEGF production, indicating a direct role of MCG in resolving wound inflammation and improving angiogenesis. At the wound-site, impairment in clearance of apoptotic cell bioburden enables chronic inflammation. Engulfment of apoptotic cells by macrophages (efferocytosis) resolves inflammation via a miR-21-PDCD4-IL-10 pathway. MCG-treated wound macrophages exhibited a significantly bolstered efferocytosis index. Such favorable outcome significantly induced miR-21 expression. MCG-mediated IL-10 production was dampened under conditions of miR-21 knockdown pointing towards miR-21 as a causative factor. Pharmacological inhibition of JNK attenuated IL-10 production by MCG, implicating miR-21-JNK pathway in MCG-mediated IL-10 production by macrophages. This work provides direct evidence demonstrating that a collagen-based wound-care dressing may influence wound macrophage function and therefore modify wound inflammation outcomes.
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Liu H, Zhao Y, Zou Y, Huang W, Zhu L, Liu F, Wang D, Guo K, Hu J, Chen J, Ye L, Li X, Lin L. Heparin-poloxamer hydrogel-encapsulated rhFGF21 enhances wound healing in diabetic mice. FASEB J 2019; 33:9858-9870. [PMID: 31166803 DOI: 10.1096/fj.201802600rr] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Wound healing, especially for diabetic wounds, is a lengthy and complicated process involving interactions and responses at the protein, cell, and tissue levels. Loading of growth factors into a hydrogel to construct a sustained-release system is considered a promising approach to improve wound healing. The present study investigates the effect of thermosensitive heparin-poloxamer (HP) hydrogel-encapsulated recombinant human fibroblast growth factor 21 (rhFGF21) on wound healing in mice with streptozotocin-induced diabetes mellitus. First, we studied the in vitro release of rhFGF21 from the rhFGF21-HP coacervate. The results showed that HP might control the release of rhFGF21. Next, we examined the effect of rhFGF21-HP on skin wound healing in diabetic mice. Our data showed that rhFGF21-HP significantly improved wound closure; promoted granulation, collagen deposition, and re-epithelialization; and enhanced the expression of CD31. Moreover, rhFGF21-HP had obvious advantages in diabetic wound healing. Therefore, the results suggest that the rhFGF21-HP hydrogel polymer plays an important role in skin wound healing. This work provides a suitable sustained-release delivery system that can continuously release rhFGF21 and presents a promising therapeutic strategy for wound healing in patients with diabetes.-Liu, H., Zhao, Y., Zou, Y., Huang, W., Zhu, L., Liu, F., Wang, D., Guo, K., Hu, J., Chen, J., Ye, L., Li, X., Lin, L. Heparin-poloxamer hydrogel-encapsulated rhFGF21 enhances wound healing in diabetic mice.
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Affiliation(s)
- Huan Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yeli Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuchi Zou
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Wenting Huang
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Liyun Zhu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Fei Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Dongxue Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Kaiming Guo
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jun Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Lixia Ye
- Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaokun Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Li Lin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
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Das A, Masry MSE, Gnyawali SC, Ghatak S, Singh K, Stewart R, Lewis M, Saha A, Gordillo G, Khanna S. Skin Transcriptome of Middle-Aged Women Supplemented With Natural Herbo-mineral Shilajit Shows Induction of Microvascular and Extracellular Matrix Mechanisms. J Am Coll Nutr 2019; 38:526-536. [PMID: 31161927 PMCID: PMC7027386 DOI: 10.1080/07315724.2018.1564088] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/21/2018] [Accepted: 12/23/2018] [Indexed: 12/20/2022]
Abstract
Objective: Shilajit is a pale-brown to blackish-brown organic mineral substance available from Himalayan rocks. We demonstrated that in type I obese humans, shilajit supplementation significantly upregulated extracellular matrix (ECM)-related genes in the skeletal muscle. Such an effect was highly synergistic with exercise. The present study (clinicaltrials.gov NCT02762032) aimed to evaluate the effects of shilajit supplementation on skin gene expression profile and microperfusion in healthy adult females. Methods: The study design comprised six total study visits including a baseline visit (V1) and a final 14-week visit (V6) following oral shilajit supplementation (125 or 250 mg bid). A skin biopsy of the left inner upper arm of each subject was collected at visit 2 and visit 6 for gene expression profiling using Affymetrix Clariom™ D Assay. Skin perfusion was determined by MATLAB processing of dermascopic images. Transcriptome data were normalized and subjected to statistical analysis. The differentially regulated genes were subjected to Ingenuity Pathway Analysis (IPA®). The expression of the differentially regulated genes identified by IPA® were verified using real-time polymerase chain reaction (RT-PCR). Results: Supplementation with shilajit for 14 weeks was not associated with any reported adverse effect within this period. At a higher dose (250 mg bid), shilajit improved skin perfusion when compared to baseline or the placebo. Pathway analysis identified shilajit-inducible genes relevant to endothelial cell migration, growth of blood vessels, and ECM which were validated by quantitative real-time polymerase chain reaction (RT-PCR) analysis. Conclusions: This work provides maiden evidence demonstrating that oral shilajit supplementation in adult healthy women induced genes relevant to endothelial cell migration and growth of blood vessels. Shilajit supplementation improved skin microperfusion.
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Affiliation(s)
- Amitava Das
- Department of Surgery, Indiana Center for Regenerative
Medicine and Engineering, Indiana University School of Medicine, Indianapolis,
IN
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
| | - Mohamed S. El Masry
- Department of Surgery, Indiana Center for Regenerative
Medicine and Engineering, Indiana University School of Medicine, Indianapolis,
IN
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
- Department of Plastic and Reconstructive Surgery, Zagazig
University, Zagazig, Egypt
| | - Surya C. Gnyawali
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
| | - Subhadip Ghatak
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
- Department of Plastic Surgery, Indiana University School of
Medicine, Indianapolis, IN
| | - Kanhaiya Singh
- Department of Surgery, Indiana Center for Regenerative
Medicine and Engineering, Indiana University School of Medicine, Indianapolis,
IN
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
| | - Richard Stewart
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
| | - Madeline Lewis
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
| | - Abhijoy Saha
- Department of Statistics, The Ohio State University,
Columbus, OH, USA
| | - Gayle Gordillo
- Department of Plastic Surgery, Indiana University School of
Medicine, Indianapolis, IN
- Department of Plastic Surgery, The Ohio State University,
Wexner Medical Center, Columbus, Ohio
| | - Savita Khanna
- Department of Surgery, The Ohio State University, Wexner
Medical Center, Columbus, Ohio
- Department of Plastic Surgery, Indiana University School of
Medicine, Indianapolis, IN
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Meng E, Chen CL, Liu CC, Liu CC, Chang SJ, Cherng JH, Wang HH, Wu ST. Bioapplications of Bacterial Cellulose Polymers Conjugated with Resveratrol for Epithelial Defect Regeneration. Polymers (Basel) 2019; 11:E1048. [PMID: 31208051 PMCID: PMC6632064 DOI: 10.3390/polym11061048] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 05/24/2019] [Accepted: 06/12/2019] [Indexed: 12/11/2022] Open
Abstract
Excellent wound dressing is essential for effective wound repair and regeneration. However, natural polymeric skin substitutes often lack mechanical strength and hydrophilicity. One way to overcome this limitation is to use biodegradable polymers with high mechanical strength and low skin-irritation induction in wet environments. Bacterial cellulose (BC) is an attractive polymer for medical applications; unlike synthetic polymers, it is biodegradable and renewable and has a strong affinity for materials containing hydroxyl groups. Therefore, we conjugated it with resveratrol (RSV), which has a 4'-hydroxyl group and exhibits good biocompatibility and no cytotoxicity. We synthesized BC scaffolds with immobilized RSV and characterized the resulting BC/RSV scaffold with scanning electron microscopy and Fourier-transform infrared spectroscopy. We found that RSV was released from the BC in vitro after ~10 min, and immunofluorescence staining showed that BC was highly biocompatible and regenerated epithelia. Additionally, Masson's trichrome staining showed that the scaffolds preserved the normal collagen-bundling pattern and induced re-epithelialization in defective rat epidermis. These results indicated that RSV-conjugated BC created a biocompatible environment for stem cell attachment and growth and promoted epithelial regeneration during wound healing.
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Affiliation(s)
- En Meng
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 112, Taiwan.
| | - Chin-Li Chen
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 112, Taiwan.
| | - Chuan-Chieh Liu
- Division of Cardiology, Department of Internal Medicine, Cardinal Tien Hospital, New Taipei City 231, Taiwan.
- School of Medicine, Fu-Jen Catholic University, New Taipei City 242, Taiwan.
| | - Cheng-Che Liu
- Department of Physiology and Biophysics; Graduate Institute of Physiology, National Defense Medical Center, Taipei 114, Taiwan.
| | - Shu-Jen Chang
- Division of Rheumatology/Immunology/Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan.
| | - Juin-Hong Cherng
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan.
- Department of Gerontological Health Care, National Taipei University of Nursing and Health Sciences, Taipei 112, Taiwan.
| | - Hsiao-Hsien Wang
- Section of Urology, Cheng-Hsin Rehabilitation Medical Center, Taipei 112, Taiwan.
| | - Sheng-Tang Wu
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 112, Taiwan.
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Rowley AT, Nagalla RR, Wang S, Liu WF. Extracellular Matrix-Based Strategies for Immunomodulatory Biomaterials Engineering. Adv Healthc Mater 2019; 8:e1801578. [PMID: 30714328 DOI: 10.1002/adhm.201801578] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 01/08/2019] [Indexed: 12/14/2022]
Abstract
The extracellular matrix (ECM) is a complex and dynamic structural scaffold for cells within tissues and plays an important role in regulating cell function. Recently it has become appreciated that the ECM contains bioactive motifs that can directly modulate immune responses. This review describes strategies for engineering immunomodulatory biomaterials that utilize natural ECM-derived molecules and have the potential to harness the immune system for applications ranging from tissue regeneration to drug delivery. A top-down approach utilizes full-length ECM proteins, including collagen, fibrin, or hyaluronic acid-based materials, as well as matrices derived from decellularized tissue. These materials have the benefit of maintaining natural conformation and structure but are often heterogeneous and encumber precise control. By contrast, a bottom-up approach leverages immunomodulatory domains, such as Arg-Gly-Asp (RGD), matrix metalloproteinase (MMP)-sensitive peptides, or leukocyte-associated immunoglobulin-like receptor-1(LAIR-1) ligands, by incorporating them into synthetic materials. These materials have tunable control over immune cell functions and allow for combinatorial approaches. However, the synthetic approach lacks the full natural context of the original ECM protein. These two approaches provide a broad range of engineering techniques for immunomodulation through material interactions and hold the potential for the development of future therapeutic applications.
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Affiliation(s)
- Andrew T. Rowley
- Department of Chemical and Biomolecular EngineeringUniversity of California Irvine CA 92697 USA
| | - Raji R. Nagalla
- Department of Biomedical EngineeringUniversity of California Irvine CA 92697 USA
| | - Szu‐Wen Wang
- Department of Chemical and Biomolecular EngineeringUniversity of California Irvine CA 92697 USA
- Department of Biomedical EngineeringUniversity of California Irvine CA 92697 USA
- Department of Materials Science and EngineeringUniversity of California Irvine CA 92697 USA
| | - Wendy F. Liu
- Department of Chemical and Biomolecular EngineeringUniversity of California Irvine CA 92697 USA
- Department of Biomedical EngineeringUniversity of California Irvine CA 92697 USA
- The Edwards Lifesciences Center for Advanced Cardiovascular TechnologyUniversity of California Irvine CA 92697 USA
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