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Lee YJ, Baek SE, Lee S, Cho YW, Jeong YJ, Kim KJ, Jun YJ, Rhie JW. Wound-healing effect of adipose stem cell-derived extracellular matrix sheet on full-thickness skin defect rat model: Histological and immunohistochemical study. Int Wound J 2018; 16:286-296. [PMID: 30461211 DOI: 10.1111/iwj.13030] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/04/2018] [Accepted: 10/09/2018] [Indexed: 12/19/2022] Open
Abstract
The potential use of extracellular matrix (ECM) as a source of wound dressing material has recently received much attention. The ECM is an intricate network of various combinations of elastin, collagens, laminin, fibronectin, and proteoglycans that play a key role in stimulating cell proliferation and differentiation. We evaluated the efficacy of an ECM sheet derived from human adipose tissue as a wound dressing material to enhance healing. We prepared a novel porous ECM sheet dressing scaffold from human adipose tissue. in vitro analysis of the ECM sheets showed efficient decellularisation; absence of immunostimulatory components; and the presence of a wide number of angiogenic and bioactive factors, including collagen, elastin, and proteoglycans. To evaluate in vivo efficacy, full-thickness excisional wounds were created on the dorsal skin of a rat, and the ECM sheets; secondary healing foam wound dressing, Healoderm; or a conventional dressing were applied to each wound site. Photographs were taken every other day, and the degree of reepithelialisation of the wounds was determined. Application of an ECM sheet dressing enhanced the macroscopic wound-healing rate on days 4, 7, and 10 compared with that in the control group. Microscopic analysis indicated that the reepithelialisation rate of the wound was higher in the ECM group compared with that in the control group; the reepithelialisation rate was better than that of the secondary healing foam wound dressing. Moreover, a denser and more organised granulation tissue was formed in the ECM sheet group compared with that in the secondary healing foam wound dressing and control groups. The ECM sheet also showed the highest microvessel density compared with the secondary healing foam wound dressing and control groups. Based on these data, we suggest that a bioactive ECM sheet dressing derived from human adipose can provide therapeutic proteins for wound healing.
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Affiliation(s)
- Yoon J Lee
- Department of Plastic and Reconstructive Surgery, Yeouido St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung E Baek
- Department of Plastic and Reconstructive Surgery, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sujin Lee
- Department of Plastic and Reconstructive Surgery, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yong W Cho
- Department of Bionanotechnology, Hanyang University, Ansan, Korea
| | - Yeon J Jeong
- Department of Plastic and Reconstructive Surgery, Yeouido St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ki J Kim
- Department of Plastic and Reconstructive Surgery, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Young J Jun
- Department of Plastic and Reconstructive Surgery, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jong W Rhie
- Department of Plastic and Reconstructive Surgery, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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AlMalki WH, Shahid I, Mehdi AY, Hafeez MH. Assessment methods for angiogenesis and current approaches for its quantification. Indian J Pharmacol 2014; 46:251-6. [PMID: 24987169 PMCID: PMC4071699 DOI: 10.4103/0253-7613.132152] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 03/18/2014] [Accepted: 03/24/2014] [Indexed: 12/28/2022] Open
Abstract
Angiogenesis is a physiological process which describes the development of new blood vessels from the existing vessels. It is a common and the most important process in the formation and development of blood vessels, so it is supportive in the healing of wounds and granulation of tissues. The different assays for the evaluation of angiogenesis have been described with distinct advantages and some limitations. In order to develop angiogenic and antiangiogenic techniques, continuous efforts have been resulted to give animal models for more quantitative analysis of angiogenesis. Most of the studies on angiogenic inducers and inhibitors rely on various models, both in vitro, in vivo and in ova, as indicators of efficacy. The angiogenesis assays are very much helpful to test efficacy of both pro- and anti- angiogenic agents. The development of non-invasive procedures for quantification of angiogenesis will facilitate this process significantly. The main objective of this review article is to focus on the novel and existing methods of angiogenesis and their quantification techniques. These findings will be helpful to establish the most convenient methods for the detection, quantification of angiogenesis and to develop a novel, well tolerated and cost effective anti-angiogenic treatment in the near future.
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Affiliation(s)
- Waleed Hassan AlMalki
- Departments of Pharmacology and Toxicology, College of Pharmacy, Umm Al Qura University, Makkah, The Kingdom of Saudi Arabia
| | - Imran Shahid
- Departments of Pharmacology and Toxicology, College of Pharmacy, Umm Al Qura University, Makkah, The Kingdom of Saudi Arabia
| | - Abeer Yousaf Mehdi
- Departments of Pharmacology and Toxicology, College of Pharmacy, Umm Al Qura University, Makkah, The Kingdom of Saudi Arabia
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Chen J, Kwong DLW, Zhu CL, Chen LL, Dong SS, Zhang LY, Tian J, Qi CB, Cao TT, Wong AMG, Kong KL, Li Y, Liu M, Fu L, Guan XY. RBMS3 at 3p24 inhibits nasopharyngeal carcinoma development via inhibiting cell proliferation, angiogenesis, and inducing apoptosis. PLoS One 2012; 7:e44636. [PMID: 22957092 PMCID: PMC3434166 DOI: 10.1371/journal.pone.0044636] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Accepted: 08/06/2012] [Indexed: 01/12/2023] Open
Abstract
Deletion of the short arm of chromosome 3 is one of the most frequent genetic alterations in many solid tumors including nasopharyngeal carcinoma (NPC), suggesting the existence of one or more tumor suppressor genes (TSGs) within the frequently deleted region. A putative TSG RBMS3 (RNA binding motif, single stranded interacting protein 3), located at 3p24-p23, has been identified in our previous study. Here, we reported that downregulation of RBMS3 was detected in 3/3 NPC cell lines and 13/15 (86.7%) primary NPC tissues. Functional studies using both overexpression and suppression systems demonstrated that RBMS3 has a strong tumor suppressive role in NPC. The tumor suppressive mechanism of RBMS3 was associated with its role in cell cycle arrest at the G1/S checkpoint by upregulating p53 and p21, downregulating cyclin E and CDK2, and the subsequent inhibition of Rb-ser780. Further analysis demonstrated that RBMS3 had a pro-apoptotic role in a mitochondrial-dependent manner via activation of caspase-9 and PARP. Finally, RBMS3 inhibited microvessel formation, which may be mediated by down-regulation of MMP2 and β-catenin and inactivation of its downstream targets, including cyclin-D1, c-Myc, MMP7, and MMP9. Taken together, our findings define a function for RBMS3 as an important tumor suppressor gene in NPC.
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Affiliation(s)
- Juan Chen
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dora Lai-Wan Kwong
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Cai-Lei Zhu
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Lei-Lei Chen
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Sui-Sui Dong
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Li-Yi Zhang
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Jun Tian
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chu-Bo Qi
- Department of Pathology, Hubei Cancer Hospital, China
| | - Ting-Ting Cao
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | | | - Kar-Lok Kong
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Yan Li
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Ming Liu
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Li Fu
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
- * E-mail: (LF); (XG)
| | - Xin-Yuan Guan
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong, China
- State Key Laboratory of Oncology in Southern China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
- * E-mail: (LF); (XG)
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Keshaw H, Georgiou G, Blaker JJ, Forbes A, Knowles JC, Day RM. Assessment of Polymer/Bioactive Glass-Composite Microporous Spheres for Tissue Regeneration Applications. Tissue Eng Part A 2009; 15:1451-61. [DOI: 10.1089/ten.tea.2008.0203] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Hussila Keshaw
- Biomaterials and Tissue Engineering Group, Burdette Institute of Gastrointestinal Nursing, Kings College London, London, United Kingdom
| | - George Georgiou
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, London, United Kingdom
| | - Jonny J. Blaker
- Biomaterials and Tissue Engineering Group, Burdette Institute of Gastrointestinal Nursing, Kings College London, London, United Kingdom
| | - Alastair Forbes
- Biomaterials and Tissue Engineering Group, Centre for Gastroenterology & Nutrition, University College London, London, United Kingdom
| | - Jonathan C. Knowles
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, London, United Kingdom
| | - Richard M. Day
- Biomaterials and Tissue Engineering Group, Burdette Institute of Gastrointestinal Nursing, Kings College London, London, United Kingdom
- Biomaterials and Tissue Engineering Group, Centre for Gastroenterology & Nutrition, University College London, London, United Kingdom
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Day RM, Maquet V, Boccaccini AR, Jérôme R, Forbes A. In vitro andin vivo analysis of macroporous biodegradable poly(D,L-lactide-co-glycolide) scaffolds containing bioactive glass. J Biomed Mater Res A 2005; 75:778-87. [PMID: 16082717 DOI: 10.1002/jbm.a.30433] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Recent studies have demonstrated the angiogenic potential of 45S5 Bioglass. However, it is not known whether the angiogenic properties of Bioglass remain when the bioactive glass particles are incorporated into polymer composites. The objectives of the current study were to investigate the angiogenic properties of 45S5 Bioglass particles incorporated into biodegradable polymer composites. In vitro studies demonstrated that fibroblasts cultured on discs consisting of specific quantities of Bioglass particles mixed into poly(D,L-lactide-co-glycolide) secreted significantly increased quantities of vascular endothelial growth factor. The optimal quantity of Bioglass particles determined from the in vitro experiments was incorporated into three-dimensional macroporous poly(D,L-lactide-co-glycolide) foam scaffolds. The foam scaffolds were fabricated using either compression molding or thermally induced phase separation processes. The foams were implanted subcutaneously into mice for periods of up to 6 weeks. Histological assessment was used to determine the area of granulation tissue around the foams, and the number of blood vessels within the granulation tissue was counted. The presence of Bioglass particles in the foams produced a sustained increase in the area of granulation tissue surrounding the foams. The number of blood vessels surrounding the neat foams was reduced after 2 weeks of implantation; however, compression-molded foams containing Bioglass after 4 and 6 weeks of implantation had significantly more blood vessels surrounding the foams compared with foams containing no Bioglass at the same time points. These results indicate that composite polymer foam scaffolds containing Bioglass particles retain granulation tissue and blood vessels surrounding the implanted foams. The use of this polymer composite for tissue engineering scaffolds might provide a novel approach for ensuring adequate vascular supply to the implanted device.
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Affiliation(s)
- Richard M Day
- Biomaterials and Tissue Engineering Group, Burdett Institute of Gastrointestinal Nursing, King's College, London and St. Mark's Hospital, Watford Road, Harrow, HA1 3UJ, United Kingdom.
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Sugino T, Yamaguchi T, Ogura G, Saito A, Hashimoto T, Hoshi N, Yoshida S, Goodison S, Suzuki T. Morphological evidence for an invasion-independent metastasis pathway exists in multiple human cancers. BMC Med 2004; 2:9. [PMID: 15066199 PMCID: PMC400511 DOI: 10.1186/1741-7015-2-9] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2003] [Accepted: 04/05/2004] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We have previously described an alternative invasion-independent pathway of cancer metastasis in a murine mammary tumor model. This pathway is initiated by intravasation of tumor nests enveloped by endothelial cells of sinusoidal vasculature within the tumor. In this study, we examined whether evidence for the invasion-independent pathway of metastasis is present in human cancers. METHODS Archival specimens of 10 common types of human cancers were examined for the presence of sinusoidal vasculature enveloping tumor nests and subsequently generated endothelial-covered tumor emboli in efferent veins. RESULTS A percentage of tumor emboli in all cancers was found to be enveloped by endothelial cells, but these structures were particularly prevalent in renal cell carcinomas, hepatocellular carcinomas and follicular thyroid carcinomas. A common feature of the vasculature in these tumors was the presence of dilated sinusoid-like structures surrounding tumor nests. A high mean vascular area within tumors, an indication of sinusoidal vascular development, was significantly related to the presence of endothelial-covered tumor emboli. CONCLUSIONS These results suggest that an invasion-independent metastatic pathway is possible in a wide variety of human cancers. Further investigation of this phenomenon may present new therapeutic strategies for the amelioration of cancer metastasis.
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Affiliation(s)
- Takashi Sugino
- Department of Pathology, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
| | - Tomiko Yamaguchi
- Department of Pathology, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
| | - Go Ogura
- Department of Pathology, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
| | - Atsuko Saito
- Pathology Division, Jusendo General Hospital, Koriyama, 963-8002, Japan
| | - Takeaki Hashimoto
- Department of Pathology, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
| | - Nobuo Hoshi
- Department of Pathology, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
| | - Sayaka Yoshida
- Department of Surgery, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
| | - Steve Goodison
- Department of Pathology, University of Florida, Jacksonville, FL 32209-6511, USA
| | - Toshimitsu Suzuki
- Department of Pathology, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan
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