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Tanga BM, Bang S, Fang X, Seo C, De Zoysa M, Saadeldin IM, Lee S, Park SU, Chung SO, Lee GJ, Cho J. Centella asiatica extract in carboxymethyl cellulose at its optimal concentration improved wound healing in mice model. Heliyon 2022; 8:e12031. [PMID: 36531634 PMCID: PMC9747599 DOI: 10.1016/j.heliyon.2022.e12031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/06/2022] [Accepted: 11/25/2022] [Indexed: 12/12/2022] Open
Abstract
Centella asiatica (C. asiatica) has reported to be one of the traditional herbal remedies, whereas poor water solubility leads to lower bioavailability thereby affecting it remedial efficacy. Therefore, we aimed to evaluate its efficacy through increased bioavailability by using high viscosity Carboxymethyl Cellulose (CMC) as solvent on methanol-based extract on wound healing, in vivo. The preparation was applied as 0.0% (control, CMC alone), 0.25. 0.5 and 1% concentrations of extract of C. asiatica. We evaluated the efficiency of preparations on wound healing progression as progression of wound contraction, tissue proliferation and cells deposition, and relative level of gene expression for genes associated with wound healing. The results showed that 0.5% extract in CMC had significantly higher (P < 0.05) wound contraction than control and other concentrations. The level tissue deposition and the infiltration of polymorphonuclear cells in groups treated with 0.5 % concentration preparation were higher than that other treatments and control. Similarly, the relative level of gene expression in 0.5% concentration treated group were statistically significantly higher (P < 0.05) than that of control. It is believed that the lower concentration of the extract would have lessor effect on wound healing, whereas higher concertation would be interfering the optimal inflammatory tissue deposition; and there by negatively affecting wound healing. The results indicated that C. asiatica can be optimally used at 0.5 % of extract in CMC for wound healing as indicated by speeding the progression of wound closure and by increasing the expression of collagen II and III together with reducing the expression of TGFβ1. However, higher concentrations of the crude extract of C. asiatica could paradoxically resulting in undesired effects. It is recommended that further evaluation should be performed on wider scale and the economic feasibility evaluation should be performed.
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Affiliation(s)
- Bereket Molla Tanga
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Seonggyu Bang
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Xun Fang
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Chaerim Seo
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Mahanama De Zoysa
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Islam M. Saadeldin
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
- Research Institute of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Sanghoon Lee
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Sang Un Park
- Department of Crop Science, Chungnam National University, Daejeon 34134, Republic of Korea
- Department of Smart Agriculture Systems, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Sun-Ok Chung
- Department of Smart Agriculture Systems, Chungnam National University, Daejeon 34134, Republic of Korea
- Department of Agricultural Machinery Engineering, Graduate School, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Geung-Joo Lee
- Department of Smart Agriculture Systems, Chungnam National University, Daejeon 34134, Republic of Korea
- Department of Horticulture, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jongki Cho
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
- Daejeon Wildlife Rescue Center, Chungnam National University, Daejeon 34134, Republic of Korea
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Singer AJ. Healing Mechanisms in Cutaneous Wounds: Tipping the Balance. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:1151-1167. [PMID: 34915757 PMCID: PMC9587785 DOI: 10.1089/ten.teb.2021.0114] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Acute and chronic cutaneous wounds pose a significant health and economic burden. Cutaneous wound healing is a complex process that occurs in four distinct, yet overlapping, highly coordinated stages: hemostasis, inflammation, proliferation, and remodeling. Postnatal wound healing is reparative, which can lead to the formation of scar tissue. Regenerative wound healing occurs during fetal development and in restricted postnatal tissues. This process can restore the wound to an uninjured state by producing new skin cells from stem cell reservoirs, resulting in healing with minimal or no scarring. Focusing on the pathophysiology of acute burn wounds, this review highlights reparative and regenerative healing mechanisms (including the role of cells, signaling molecules, and the extracellular matrix) and discusses how components of regenerative healing are being used to drive the development of novel approaches and therapeutics aimed at improving clinical outcomes. Important components of regenerative healing, such as stem cells, growth factors, and decellularized dermal matrices, are all being evaluated to recapitulate more closely the natural regenerative healing process.
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Affiliation(s)
- Adam J Singer
- Department of Emergency Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York, USA
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Yin JL, Wu Y, Yuan ZW, Gao XH, Chen HD. Advances in scarless foetal wound healing and prospects for scar reduction in adults. Cell Prolif 2020; 53:e12916. [PMID: 33058377 PMCID: PMC7653265 DOI: 10.1111/cpr.12916] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/25/2020] [Accepted: 09/06/2020] [Indexed: 02/06/2023] Open
Abstract
Healing after mammalian skin injury involves the interaction between numerous cellular constituents and regulatory factors, which together form three overlapping phases: an inflammatory response, a proliferation phase and a remodelling phase. Any slight variation in these three stages can substantially alter the healing process and resultant production of scars. Of particular significance are the mechanisms responsible for the scar‐free phenomenon observed in the foetus. Uncovering such mechanisms would offer great expectations in the treatment of scars and therefore represents an important area of investigation. In this review, we provide a comprehensive summary of studies on injury‐induced skin regeneration within the foetus. The information contained in these studies provides an opportunity for new insights into the treatment of clinical scars based on the cellular and molecular processes involved.
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Affiliation(s)
- Jia-Li Yin
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning, China.,National and Local Joint Engineering Research Center of Immunodermatological Theranostics, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yan Wu
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning, China.,National and Local Joint Engineering Research Center of Immunodermatological Theranostics, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zheng-Wei Yuan
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, Liaoning, China
| | - Xing-Hua Gao
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning, China.,National and Local Joint Engineering Research Center of Immunodermatological Theranostics, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Hong-Duo Chen
- Key Laboratory of Immunodermatology, Ministry of Education, Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning, China.,National and Local Joint Engineering Research Center of Immunodermatological Theranostics, The First Hospital of China Medical University, Shenyang, Liaoning, China
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4
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Latifi N, Asgari M, Vali H, Mongeau L. A tissue-mimetic nano-fibrillar hybrid injectable hydrogel for potential soft tissue engineering applications. Sci Rep 2018; 8:1047. [PMID: 29348423 PMCID: PMC5773686 DOI: 10.1038/s41598-017-18523-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 12/13/2017] [Indexed: 01/19/2023] Open
Abstract
While collagen type I (Col-I) is commonly used as a structural component of biomaterials, collagen type III (Col-III), another fibril forming collagen ubiquitous in many soft tissues, has not previously been used. In the present study, the novel concept of an injectable hydrogel with semi-interpenetrating polymeric networks of heterotypic collagen fibrils, with tissue-specific Col-III to Col-I ratios, in a glycol-chitosan matrix was investigated. Col-III was introduced as a component of the novel hydrogel, inspired by its co-presence with Col-I in many soft tissues, its influence on the Col-I fibrillogenesis in terms of diameter and mechanics, and its established role in regulating scar formation. The hydrogel has a nano-fibrillar porous structure, and is mechanically stable under continuous dynamic stimulation. It was found to provide a longer half-life of about 35 days than similar hyaluronic acid-based hydrogels, and to support cell implantation in terms of viability, metabolic activity, adhesion and migration. The specific case of pure Col-III fibrils in a glycol-chitosan matrix was investigated. The proposed hydrogels meet many essential requirements for soft tissue engineering applications, particularly for mechanically challenged tissues such as vocal folds and heart valves.
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Affiliation(s)
- Neda Latifi
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke street west, Montreal, QC H3A 0C3, Canada.
| | - Meisam Asgari
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke street west, Montreal, QC H3A 0C3, Canada
| | - Hojatollah Vali
- Department of Anatomy & Cell Biology, McGill University, 3640 University street, Montreal, QC H3A 2B2, Canada
| | - Luc Mongeau
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke street west, Montreal, QC H3A 0C3, Canada
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5
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MicroRNAs in the skin: role in development, homoeostasis and regeneration. Clin Sci (Lond) 2017; 131:1923-1940. [PMID: 28705953 DOI: 10.1042/cs20170039] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 04/20/2017] [Accepted: 05/02/2017] [Indexed: 01/12/2023]
Abstract
The skin is the largest organ of the integumentary system and possesses a vast number of functions. Due to the distinct layers of the skin and the variety of cells which populate each, a tightly regulated network of molecular signals control development and regeneration, whether due to programmed cell termination or injury. MicroRNAs (miRs) are a relatively recent discovery; they are a class of small non-coding RNAs which possess a multitude of biological functions due to their ability to regulate gene expression via post-transcriptional gene silencing. Of interest, is that a plethora of data demonstrates that a number of miRs are highly expressed within the skin, and are evidently key regulators of numerous vital processes to maintain non-aberrant functioning. Recently, miRs have been targeted as therapeutic interventions due to the ability of synthetic 'antagomiRs' to down-regulate abnormal miR expression, thereby potentiating wound healing and attenuating fibrotic processes which can contribute to disease such as systemic sclerosis (SSc). This review will provide an introduction to the structure and function of the skin and miR biogenesis, before summarizing the literature pertaining to the role of miRs. Finally, miR therapies will also be discussed, highlighting important future areas of research.
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Parkin JD, San Antonio JD, Persikov AV, Dagher H, Dalgleish R, Jensen ST, Jeunemaitre X, Savige J. The collαgen III fibril has a "flexi-rod" structure of flexible sequences interspersed with rigid bioactive domains including two with hemostatic roles. PLoS One 2017; 12:e0175582. [PMID: 28704418 PMCID: PMC5509119 DOI: 10.1371/journal.pone.0175582] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 03/20/2017] [Indexed: 01/18/2023] Open
Abstract
Collagen III is critical to the integrity of blood vessels and distensible organs, and in hemostasis. Examination of the human collagen III interactome reveals a nearly identical structural arrangement and charge distribution pattern as for collagen I, with cell interaction domains, fibrillogenesis and enzyme cleavage domains, several major ligand-binding regions, and intermolecular crosslink sites at the same sites. These similarities allow heterotypic fibril formation with, and substitution by, collagen I in embryonic development and wound healing. The collagen III fibril assumes a "flexi-rod" structure with flexible zones interspersed with rod-like domains, which is consistent with the molecule's prominence in young, pliable tissues and distensible organs. Collagen III has two major hemostasis domains, with binding motifs for von Willebrand factor, α2β1 integrin, platelet binding octapeptide and glycoprotein VI, consistent with the bleeding tendency observed with COL3A1 disease-causing sequence variants.
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Affiliation(s)
- J. Des Parkin
- From the University of Melbourne Department of Medicine (Northern Health), Melbourne, VIC, Australia
| | - James D. San Antonio
- Operations, Stryker Global Quality and Operations, Malvern, PA, United States of America
| | - Anton V. Persikov
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Carl Icahn Lab, Princeton, NJ, United States of America
| | - Hayat Dagher
- From the University of Melbourne Department of Medicine (Northern Health), Melbourne, VIC, Australia
| | - Raymond Dalgleish
- Department of Genetics, University of Leicester, Leicester, United Kingdom
| | - Shane T. Jensen
- Wharton Business School, University of Pennsylvania, Philadelphia, PA, United States of America
| | - Xavier Jeunemaitre
- INSERM U970 Paris Cardiovascular Research Centre, Paris France
- University Paris Descartes, Paris Sorbonne Cite, Paris, France
| | - Judy Savige
- From the University of Melbourne Department of Medicine (Northern Health), Melbourne, VIC, Australia
- * E-mail:
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7
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In vitro fibrillogenesis of tropocollagen type III in collagen type I affects its relative fibrillar topology and mechanics. Sci Rep 2017; 7:1392. [PMID: 28469139 PMCID: PMC5431193 DOI: 10.1038/s41598-017-01476-y] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 03/27/2017] [Indexed: 01/19/2023] Open
Abstract
Tropocollagen types I and III were simultaneously fibrilized in vitro, and the differences between the geometric and mechanical properties of the heterotypic fibrils with different mixing ratios of tropocollagen III to I were investigated. Transmission electron microscopy was used to confirm the simultaneous presence of both tropocollagen types within the heterotypic fibrils. The incorporation of collagen III in I caused the fibrils to be thinner with a shorter D-banding than pure collagen I. Hertzian contact model was used to obtain the elastic moduli from atomic force microscope indentation testing using a force volume analysis. The results indicated that an increase in the percentage of tropocollagen III reduced the mechanical stiffness of the obtained fibrils. The mechanical stiffness of the collagen fibrils was found to be greater at higher loading frequencies. This observation might explain the dominance of collagen III over I in soft distensible organs such as human vocal folds.
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8
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Collagen type III α1 as a useful diagnostic immunohistochemical marker for fibroepithelial lesions of the breast. Hum Pathol 2016; 57:176-181. [PMID: 27498063 DOI: 10.1016/j.humpath.2016.07.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/15/2016] [Accepted: 07/20/2016] [Indexed: 11/21/2022]
Abstract
Phyllodes tumors (PTs) of the breast constitute an uncommon group of fibroepithelial neoplasms that are classified into benign, borderline, and malignant categories based on a constellation of histologic characteristics including cytologic atypia, mitotic count, degree of stromal cellularity, stromal overgrowth, and microscopic margins. Accurately and reproducibly differentiating these tumors is a long-standing diagnostic challenge. In addition, the distinction between benign PT from cellular fibroadenoma (FA) is especially difficult because of overlapping microscopic features. We have previously shown differential expression of various collagens, including collagen type III α1 (Col3A) in breast carcinomas. In this study, we evaluated clinicopathological characteristics of 95 cases of fibroepithelial lesions including 56 PTs and 39 FAs (25 cellular FA, 14 typical FA) and correlated them with the immunohistochemical staining pattern for Col3A. We found that stromal Col3A expression was significantly increased in PTs when compared with FAs (P < .0001). Among the PT groups, there was significantly increased expression from benign tumors through borderline to malignant tumors. High Col3A expression was associated with PT type, irregular margin status, and high mitotic activity. A distinct periductal cuffing pattern of Col3A staining was unique to PTs and absent in FAs. These findings suggest that Col3A can be a potential adjunct marker for both differentiating FA from PT and assessing malignant potential in PTs.
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9
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Silva AC, Rodrigues SC, Caldeira J, Nunes AM, Sampaio-Pinto V, Resende TP, Oliveira MJ, Barbosa MA, Thorsteinsdóttir S, Nascimento DS, Pinto-do-Ó P. Three-dimensional scaffolds of fetal decellularized hearts exhibit enhanced potential to support cardiac cells in comparison to the adult. Biomaterials 2016; 104:52-64. [PMID: 27424216 DOI: 10.1016/j.biomaterials.2016.06.062] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 06/25/2016] [Accepted: 06/28/2016] [Indexed: 12/11/2022]
Abstract
A main challenge in cardiac tissue engineering is the limited data on microenvironmental cues that sustain survival, proliferation and functional proficiency of cardiac cells. The aim of our study was to evaluate the potential of fetal (E18) and adult myocardial extracellular matrix (ECM) to support cardiac cells. Acellular three-dimensional (3D) bioscaffolds were obtained by parallel decellularization of fetal- and adult-heart explants thereby ensuring reliable comparison. Acellular scaffolds retained main constituents of the cardiac ECM including distinctive biochemical and structural meshwork features of the native equivalents. In vitro, fetal and adult ECM-matrices supported 3D culture of heart-derived Sca-1(+) progenitors and of neonatal cardiomyocytes, which migrated toward the center of the scaffold and displayed elongated morphology and excellent viability. At the culture end-point, more Sca-1(+) cells and cardiomyocytes were found adhered and inside fetal bioscaffolds, compared to the adult. Higher repopulation yields of Sca-1(+) cells on fetal ECM relied on β1-integrin independent mitogenic signals. Sca-1(+) cells on fetal bioscaffolds showed a gene expression profile that anticipates the synthesis of a permissive microenvironment for cardiomyogenesis. Our findings demonstrate the superior potential of the 3D fetal microenvironment to support and instruct cardiac cells. This knowledge should be integrated in the design of next-generation biomimetic materials for heart repair.
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Affiliation(s)
- A C Silva
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal; Gladstone Institutes, University of California San Francisco, San Francisco 94158, USA
| | - S C Rodrigues
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal
| | - J Caldeira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal
| | - A M Nunes
- Centre for Ecology, Evolution and Environmental Change, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa 1749-016, Portugal
| | - V Sampaio-Pinto
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal
| | - T P Resende
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal
| | - M J Oliveira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Faculty of Medicine, University of Porto, Porto 4200-319, Portugal
| | - M A Barbosa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal
| | - S Thorsteinsdóttir
- Centre for Ecology, Evolution and Environmental Change, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa 1749-016, Portugal
| | - D S Nascimento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.
| | - P Pinto-do-Ó
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal; Unit for Lymphopoiesis, Immunology Department, INSERM U668, University Paris Diderot, Sorbonne Paris Cité, Cellule Pasteur. Institut Pasteur, Paris, France.
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10
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Lindsey ML, Iyer RP, Zamilpa R, Yabluchanskiy A, DeLeon-Pennell KY, Hall ME, Kaplan A, Zouein FA, Bratton D, Flynn ER, Cannon PL, Tian Y, Jin YF, Lange RA, Tokmina-Roszyk D, Fields GB, de Castro Brás LE. A Novel Collagen Matricryptin Reduces Left Ventricular Dilation Post-Myocardial Infarction by Promoting Scar Formation and Angiogenesis. J Am Coll Cardiol 2016; 66:1364-74. [PMID: 26383724 DOI: 10.1016/j.jacc.2015.07.035] [Citation(s) in RCA: 106] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 06/24/2015] [Accepted: 07/14/2015] [Indexed: 12/15/2022]
Abstract
BACKGROUND Proteolytically released extracellular matrix (ECM) fragments, matricryptins, are biologically active and play important roles in wound healing. Following myocardial infarction (MI), collagen I, a major component of cardiac ECM, is cleaved by matrix metalloproteinases (MMPs). OBJECTIVES This study identified novel collagen-derived matricryptins generated post-MI that mediate remodeling of the left ventricle (LV). METHODS Recombinant collagen Ia1 was used in MMPs cleavage assays, the products were analyzed by mass spectrometry for identification of cleavage sites. C57BL6/J mice were given MI and animals were treated either with vehicle control or p1158/59 matricryptin. Seven days post-MI, LV function and parameters of LV remodeling were measured. Levels of p1158/59 were also measured in plasma of MI patients and healthy controls. RESULTS In situ, MMP-2 and -9 generate a collagen Iα1 C-1158/59 fragment, and MMP-9 can further degrade it. The C-1158/59 fragment was identified post-MI, both in human plasma and mouse LV, at levels that inversely correlated to MMP-9 levels. We synthesized a peptide beginning at the cleavage site (p1158/59, amino acids 1159 to 1173) to investigate its biological functions. In vitro, p1158/59 stimulated fibroblast wound healing and robustly promoted angiogenesis. In vivo, early post-MI treatment with p1158/59 reduced LV dilation at day 7 post-MI by preserving LV structure (p < 0.05 vs. control). The p1158/59 stimulated both in vitro and in vivo wound healing by enhancing basement membrane proteins, granulation tissue components, and angiogenic factors. CONCLUSIONS Collagen Iα1 matricryptin p1158/59 facilitates LV remodeling post-MI by regulating scar formation through targeted ECM generation and stimulation of angiogenesis.
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Affiliation(s)
- Merry L Lindsey
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas; Research Service, G.V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, Mississippi
| | - Rugmani Padmanabhan Iyer
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Rogelio Zamilpa
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Andriy Yabluchanskiy
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Kristine Y DeLeon-Pennell
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Michael E Hall
- Division of Cardiology and Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi
| | - Abdullah Kaplan
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Fouad A Zouein
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Dustin Bratton
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Elizabeth R Flynn
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Presley L Cannon
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Yuan Tian
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas
| | - Yu-Fang Jin
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas; Department of Electrical and Computer Engineering, University of Texas at San Antonio, San Antonio, Texas
| | - Richard A Lange
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas; Paul L. Foster School of Medicine, Texas Tech University Health Science Center, El Paso, Texas
| | - Dorota Tokmina-Roszyk
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas; Florida Atlantic University, Department of Chemistry and Biochemistry, Jupiter, Florida
| | - Gregg B Fields
- San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas; Florida Atlantic University, Department of Chemistry and Biochemistry, Jupiter, Florida
| | - Lisandra E de Castro Brás
- Mississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, Mississippi; San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center, San Antonio, Texas; Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina.
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Padmanabhan Iyer R, Chiao YA, Flynn ER, Hakala K, Cates CA, Weintraub ST, de Castro Brás LE. Matrix metalloproteinase-9-dependent mechanisms of reduced contractility and increased stiffness in the aging heart. Proteomics Clin Appl 2015; 10:92-107. [PMID: 26415707 DOI: 10.1002/prca.201500038] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 08/12/2015] [Accepted: 09/22/2015] [Indexed: 12/23/2022]
Abstract
PURPOSE Matrix metalloproteinases (MMPs) collectively degrade all extracellular matrix (ECM) proteins. Of the MMPs, MMP-9 has the strongest link to the development of cardiac dysfunction. Aging associates with increased MMP-9 expression in the left ventricle (LV) and reduced cardiac function. We investigated the effect of MMP-9 deletion on the cardiac ECM in aged animals. EXPERIMENTAL DESIGN We used male and female middle-aged (10- to16-month old) and old (20- to 24-month old) wild-type (WT) and MMP-9 null mice (n = 6/genotype/age). LVs were decellularized to remove highly abundant mitochondrial proteins that could mask identification of relative lower abundant components, analyzed by shotgun proteomics, and proteins of interest validated by immunoblot. RESULTS Elastin microfibril interface-located protein 1 (EMILIN-1) decreased with age in WT (p < 0.05), but not in MMP-9 null. EMILIN-1 promotes integrin-dependent cell adhesion and EMILIN-1 deficiency has been associated with vascular stiffening. Talin-2, a cytoskeletal protein, was elevated with age in WT (p < 0.05), and MMP-9 deficiency blunted this increase. Talin-2 is highly expressed in adult cardiac myocytes, transduces mechanical force to the ECM, and is activated by increases in substrate stiffness. Our results suggest that MMP-9 deletion may reduce age-related myocardial stiffness, which may explain improved cardiac function in MMP-9 null animals. CONCLUSIONS We identified age-related changes in the cardiac proteome that are MMP-9 dependent, suggesting MMP-9 as a possible therapeutic target for the aging patient.
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Affiliation(s)
- Rugmani Padmanabhan Iyer
- San Antonio Cardiovascular Proteomics Center, San Antonio, TX, USA.,Department of Physiology and Biophysics, Mississippi Center for Heart Research, Jackson, MS, USA
| | - Ying Ann Chiao
- Department of Pathology, University of Washington, Seattle, WA, USA
| | - Elizabeth R Flynn
- San Antonio Cardiovascular Proteomics Center, San Antonio, TX, USA.,Department of Physiology and Biophysics, Mississippi Center for Heart Research, Jackson, MS, USA
| | - Kevin Hakala
- San Antonio Cardiovascular Proteomics Center, San Antonio, TX, USA.,Department of Biochemistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Courtney A Cates
- San Antonio Cardiovascular Proteomics Center, San Antonio, TX, USA.,Department of Physiology and Biophysics, Mississippi Center for Heart Research, Jackson, MS, USA
| | - Susan T Weintraub
- San Antonio Cardiovascular Proteomics Center, San Antonio, TX, USA.,Department of Biochemistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Lisandra E de Castro Brás
- San Antonio Cardiovascular Proteomics Center, San Antonio, TX, USA.,Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, USA
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12
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Abstract
UNLABELLED Fetal tissues are well known for their therapeutic potential. They contain numerous growth factors, cytokines, and matrix components that promote regeneration of tissues while downregulating inflammation and scar formation. As a result, use of these treatments has expanded over the previous 20 years throughout various surgical specialties, including orthopaedics. With improved methods of sterilization, processing, and storage, surgeons need to be informed about the potential benefits of fetal tissue in foot and ankle surgery. The aim of this review is to provide a brief historical background, basic anatomy and physiology, and a current review of the literature in regard to chronic wounds, diabetic foot ulcerations, plantar fasciitis, tendon repair, adhesion prevention, nerve repair, and bone healing. LEVELS OF EVIDENCE Level V: Expert Opinion.
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Affiliation(s)
- Andrew E Hanselman
- Department of Orthopaedics, West Virginia University, Morgantown, West Virginia (AEH, TAJL, RDS)
| | - Trapper A J Lalli
- Department of Orthopaedics, West Virginia University, Morgantown, West Virginia (AEH, TAJL, RDS)
| | - Robert D Santrock
- Department of Orthopaedics, West Virginia University, Morgantown, West Virginia (AEH, TAJL, RDS)
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13
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Seifert AW, Maden M. New insights into vertebrate skin regeneration. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2014; 310:129-69. [PMID: 24725426 DOI: 10.1016/b978-0-12-800180-6.00004-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Regeneration biology has experienced a renaissance as clinicians, scientists, and engineers have combined forces to drive the field of regenerative medicine. Studies investigating the mechanisms that regulate wound healing in adult mammals have led to a good understanding of the stereotypical processes that lead to scarring. Despite comparative studies of fetal wound healing in which no scar is produced, the fact remains that insights from this work have failed to produce therapies that can regenerate adult human skin. In this review, we analyze past and contemporary accounts of wound healing in a variety of vertebrates, namely, fish, amphibians, and mammals, in order to demonstrate how examples of skin regeneration in adult organisms can impact traditional wound-healing research. When considered together, these studies suggest that inflammation and reepithelialization are necessary events preceding both scarring and regeneration. However, the extent to which these processes may direct one outcome over another is likely weaker than currently accepted. In contrast, the extent to which newly deposited extracellular matrix in the wound bed can be remodeled into new skin, and the intrinsic ability of new epidermis to regenerate appendages, appears to underlie the divergence between scar-free healing and the persistence of a scar. We discuss several ideas that may offer areas of overlap between researchers using these different model organisms and which may be of benefit to the ultimate goal of scar-free human wound healing.
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Affiliation(s)
- Ashley W Seifert
- Department of Biology, University of Kentucky, Lexington, Kentucky, USA
| | - Malcolm Maden
- Department of Biology and UF Genetics Institute, University of Florida, Gainesville, Florida, USA.
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14
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Wulff BC, Yu L, Parent AE, Wilgus TA. Novel differences in the expression of inflammation-associated genes between mid- and late-gestational dermal fibroblasts. Wound Repair Regen 2012; 21:103-12. [PMID: 23126606 DOI: 10.1111/j.1524-475x.2012.00860.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2012] [Accepted: 08/21/2012] [Indexed: 01/11/2023]
Abstract
While cutaneous wounds of late-gestational fetuses and on through adulthood result in scar formation, wounds incurred early in gestation have been shown to heal scarlessly. Unique properties of fetal fibroblasts are believed to mediate this scarless healing process. In this study, microarray analysis was used to identify differences in the gene expression profiles of cultured fibroblasts from embryonic day 15 (E15; midgestation) and embryonic day 18 (E18; late-gestation) skin. Sixty-two genes were differentially expressed and 12 of those genes are associated with inflammation, a process that correlates with scar formation in fetal wounds. One of the differentially expressed inflammatory genes was cyclooxygenase-1 (COX-1). COX-1 was more highly expressed in E18 fibroblasts than in E15 fibroblasts, and these differences were confirmed at the gene and protein level. Differences in COX-1 protein expression were also observed in fetal skin by immunohistochemical and immunofluorescence staining. The baseline differences in gene expression found in mid- and late-gestational fetal fibroblasts suggest that developmental alterations in fibroblasts could be involved in the transition from scarless to fibrotic fetal wound healing. Furthermore, baseline differences in the expression of inflammatory genes by fibroblasts in E15 and E18 skin may contribute to inflammation and scar formation late in gestation.
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Affiliation(s)
- Brian C Wulff
- Department of Pathology, The Ohio State University, Columbus, Ohio 43210, USA
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15
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Volk SW, Wang Y, Mauldin EA, Liechty KW, Adams SL. Diminished type III collagen promotes myofibroblast differentiation and increases scar deposition in cutaneous wound healing. Cells Tissues Organs 2011; 194:25-37. [PMID: 21252470 DOI: 10.1159/000322399] [Citation(s) in RCA: 167] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2010] [Indexed: 01/19/2023] Open
Abstract
The repair of cutaneous wounds in the postnatal animal is associated with the development of scar tissue. Directing cell activities to efficiently heal wounds while minimizing the development of scar tissue is a major goal of wound management and the focus of intensive research efforts. Type III collagen (Col3), expressed in early granulation tissue, has been proposed to play a prominent role in cutaneous wound repair, although little is known about its role in this process. To establish the role of Col3 in cutaneous wound repair, we examined the healing of excisional wounds in a previously described murine model of Col3 deficiency. Col3 deficiency (Col3+/-) in aged mice resulted in accelerated wound closure with increased wound contraction. In addition, Col3-deficient mice had increased myofibroblast density in the wound granulation tissue as evidenced by an increased expression of the myofibroblast marker, α-smooth muscle actin. In vitro, dermal fibroblasts obtained from Col3-deficient embryos (Col3+/- and -/-) were more efficient at collagen gel contraction and also displayed increased myofibroblast differentiation compared to those harvested from wild-type (Col3+/+) embryos. Finally, wounds from Col3-deficient mice also had significantly more scar tissue area on day 21 post-wounding compared to wild-type mice. The effect of Col3 expression on myofibroblast differentiation and scar formation in this model suggests a previously undefined role for this ECM protein in tissue regeneration and repair.
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Affiliation(s)
- Susan W Volk
- Department of Clinical Studies and Animal Biology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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16
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Cheng J, Yu H, Deng S, Shen G. MicroRNA profiling in mid- and late-gestational fetal skin: implication for scarless wound healing. TOHOKU J EXP MED 2010; 221:203-9. [PMID: 20543536 DOI: 10.1620/tjem.221.203] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Mid-gestational mammalian skin has unique capacity to heal without scar. Fetal skin undergoes phenotypic transition from scarless healing to scar repairing during embryonic development. However, the molecular mechanisms underlying the scarless phenotype and phenotypic transition remain largely unknown. MicroRNAs (miRNAs) are a novel class of small regulatory RNAs emerged as post-transcriptional gene repressors and play essential roles in diverse pathophysiological processes including skin morphogenesis and pathogenesis. Here, we performed a genome-wide miRNA profiling to identify the differentially expressed miRNAs between mid-gestational (E16 day) and late-gestational (E19 day) mouse skin, corresponding to scarless and scarring phenotype, respectively. Two miRNAs (miR-29b and miR-29c) with highest fold changes were further validated independently by real-time RT-PCR. Functional annotations of putative targets of differentially expressed miRNAs via bioinformatics approaches revealed that these predicted targets, including Smads, beta-catenin and Ras, were significantly enriched and involved in several signaling pathways important for scarless wound healing. In addition, Dicer, one of the key RNase III responsible for miRNA biogenesis and functions, was found to be up-regulated in the E19 fetal skin as compared with the E16 counterpart. Taken together, our results identified differentially expressed miRNAs between mid-and late-gestational fetal skin that correlated with phenotypic transition from scarless to scarring repair during skin development. Our bioinformatics' analysis suggests that miRNAs might contribute to this phenotypic transition probably by affecting multiple target genes and signaling pathways.
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Affiliation(s)
- Jie Cheng
- Department of Oral and Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology
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Huang L, Gu H, Burd A. A reappraisal of the biological effects of hyaluronan on human dermal fibroblast. J Biomed Mater Res A 2009; 90:1177-85. [DOI: 10.1002/jbm.a.32173] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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18
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Carter R, Jain K, Sykes V, Lanning D. Differential Expression of Procollagen Genes Between Mid- and Late-Gestational Fetal Fibroblasts. J Surg Res 2009; 156:90-4. [DOI: 10.1016/j.jss.2009.03.056] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2009] [Revised: 03/10/2009] [Accepted: 03/22/2009] [Indexed: 11/30/2022]
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