151
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Bang JS, Jin YJ, Choung SY. Low molecular polypeptide from oyster hydrolysate recovers photoaging in SKH-1 hairless mice. Toxicol Appl Pharmacol 2019; 386:114844. [PMID: 31785243 DOI: 10.1016/j.taap.2019.114844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/17/2019] [Accepted: 11/26/2019] [Indexed: 12/12/2022]
Abstract
When the human skin is chronically exposed to external stimuli such as ultraviolet (UV) radiation, the skin tissue suffers damage and the structure of the extracellular matrix (ECM) in the skin is disrupted. This eventually causes symptoms such as wrinkles loss of elasticity, skin sagging, and skin cancer. We previously found that hydrolysate extracted from pacific oyster (Crassostrea gigas) is effective in improving wrinkle formation. In this study, we selected a pentapeptide that was expected to have the most wrinkle reduction effect among the various peptides in oyster hydrolysate through preliminary in vitro screening and examined whether the pentapeptide derived from oyster hydrolysate (OHP) is effective in reducing wrinkles in vivo. We investigated the wrinkle-reducing effect of the OHP through 18-week SKH-1 hairless mice model. Our results showed that the OHP reduces wrinkles lengths, depths, and epidermal thickness which were increased by UVB radiation, and restores the amount of collagen. The OHP recovered the activity of antioxidant enzymes and regulated the expression of proinflammatory cytokines. We also found that OHP increases the expression of type I collagen through stimulating the TGFβ/Smad signaling pathway and inhibits the MMPs expression by regulating the MAPK/AP-1 signaling pathway. This study has shown that the OHP plays crucial roles in collagen production and wrinkle reduction in hairless mice and we proved the possibility of the OHP as a component for inhibiting wrinkle formation which was induced by photoaging.
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Affiliation(s)
- Joon Sok Bang
- Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Yu Jung Jin
- Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Se-Young Choung
- Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea; Department of Preventive Pharmacy and Toxicology, College of Pharmacy, Kyung Hee University, 26, Hyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea.
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152
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Rennekamp B, Kutzki F, Obarska-Kosinska A, Zapp C, Gräter F. Hybrid Kinetic Monte Carlo/Molecular Dynamics Simulations of Bond Scissions in Proteins. J Chem Theory Comput 2019; 16:553-563. [DOI: 10.1021/acs.jctc.9b00786] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Benedikt Rennekamp
- Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany
- Institute for Theoretical Physics, Heidelberg University, Philosophenweg 16, 69120 Heidelberg, Germany
| | - Fabian Kutzki
- Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany
- Institute of Physical Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
| | - Agnieszka Obarska-Kosinska
- Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany
- Hamburg Unit c/o DESY, European Molecular Biology Laboratory, Notkestrasse 85, 22607 Hamburg, Germany
| | - Christopher Zapp
- Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany
- Institute for Theoretical Physics, Heidelberg University, Philosophenweg 16, 69120 Heidelberg, Germany
| | - Frauke Gräter
- Heidelberg Institute for Theoretical Studies, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany
- Interdisciplinary Center for Scientific Computing, Heidelberg University, INF 205, 69120 Heidelberg, Germany
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153
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Romero-Ortuno R, Kenny RA, McManus R. Collagens and elastin genetic variations and their potential role in aging-related diseases and longevity in humans. Exp Gerontol 2019; 129:110781. [PMID: 31740390 DOI: 10.1016/j.exger.2019.110781] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 12/17/2022]
Abstract
Collagens and elastin are 'building blocks' of tissues and extracellular matrix. Mutations in these proteins cause severe congenital syndromes. Adverse genetic variations may accelerate the aging process in adults contributing to premature morbidity, disability and/or mortality. Favorable variants may contribute to longevity and/or healthy aging, but this is much less studied. We reviewed the association between variation in the genes of collagens and elastin and premature aging, accelerated aging, age-related diseases and/or frailty; and the association between genetic variation in those and longevity and/or healthy aging in humans. A systematic search was conducted in MEDLINE and other online databases (OMIM, Genetics Home Reference, Orphanet, ClinVar). Results suggest that genetic variants lead to aging phenotypes of known congenital disease, but also to association with common age-related diseases in adults without known congenital disease. This may be due to the variable penetrance and expressivity of many variants. Some collagen variants have been associated with longevity or healthy aging. A limitation is that most studies had <1000 participants and their criterion for statistical significance was p < 0.05. Results highlight the importance of adopting a lifecourse approach to the study of the genomics of aging. Gerontology can help with new methodologies that operationalize biological aging.
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Affiliation(s)
- Roman Romero-Ortuno
- Trinity College Dublin, Discipline of Medical Gerontology, Mercer's Institute for Successful Ageing, St James's Hospital, Dublin 8, Ireland; The Irish Longitudinal Study on Ageing (TILDA), Trinity College Dublin, Dublin, Ireland..
| | - Rose Anne Kenny
- Trinity College Dublin, Discipline of Medical Gerontology, Mercer's Institute for Successful Ageing, St James's Hospital, Dublin 8, Ireland; The Irish Longitudinal Study on Ageing (TILDA), Trinity College Dublin, Dublin, Ireland
| | - Ross McManus
- Trinity College Dublin, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, St James's Hospital, Dublin 8, Ireland
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154
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He H, Shao C, Mu Z, Mao C, Sun J, Chen C, Tang R, Gu X. Promotion effect of immobilized chondroitin sulfate on intrafibrillar mineralization of collagen. Carbohydr Polym 2019; 229:115547. [PMID: 31826527 DOI: 10.1016/j.carbpol.2019.115547] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/11/2019] [Accepted: 10/26/2019] [Indexed: 10/25/2022]
Abstract
Chondroitin sulfate (CS) is widespread in mineralized tissues and is considered to play crucial roles during the mineralization process. However, its role in biomineralization remains controversial. In the present study, CS is immobilized to collagen fibrils to mimic its state in biomineralization. The results demonstrate that immobilized CS on collagen fibrils accelerates calcium phosphate nucleation and significantly promotes collagen mineralization by accumulating calcium ions in collagen fibrils. The stochastic optical reconstruction microscopy results confirm that CS gives the specific nucleation sites for calcium phosphate to preferentially form, the improved intrafibrillar heterogeneous nucleation of calcium phosphate facilitates intrafibrillar mineralization. It is found remarkably accelerated remineralization of CS immobilized demineralized dentin is achieved. This study offers insight on the understanding of the function of the biomacromolecule CS on the biomineralization front. In addition, CS effectively promotes intrafibrillar mineralization, which highlights fine prospect for CS to reconstruct collagen-mineralized tissues as a natural material.
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Affiliation(s)
- Huihui He
- Department of Stomatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, PR China.
| | - Changyu Shao
- Center for Biomaterials and Biopathways, Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, PR China.
| | - Zhao Mu
- Center for Biomaterials and Biopathways, Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, PR China.
| | - Caiyun Mao
- Department of Stomatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, PR China.
| | - Jian Sun
- Department of Stomatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, PR China.
| | - Chaoqun Chen
- Department of Stomatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, PR China.
| | - Ruikang Tang
- Center for Biomaterials and Biopathways, Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, PR China.
| | - Xinhua Gu
- Department of Stomatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, PR China.
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155
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Chen EA, Lin YS. Using synthetic peptides and recombinant collagen to understand DDR–collagen interactions. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:118458. [DOI: 10.1016/j.bbamcr.2019.03.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/03/2019] [Accepted: 03/08/2019] [Indexed: 12/31/2022]
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156
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Sun X, He M, Wang L, Luo L, Wang J, Xiao J. Luminescent Biofunctional Collagen Mimetic Nanofibers. ACS OMEGA 2019; 4:16270-16279. [PMID: 31616804 PMCID: PMC6787889 DOI: 10.1021/acsomega.9b00740] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
Collagen has long been one of the top targets for biomimetic design due to its superior structural and functional properties. Significant progress has been achieved to construct self-assembling peptides to mimic the fibrous nanostructure of native collagen, while it is still very demanding to fabricate peptide assemblies that can recapitulate both structural and biofunctional features of collagen. Herein, collagen-like peptides have been synthesized to contain negatively charged amino acids as the binding groups of lanthanide ions and the integrin-binding motif GFOGER. The simultaneous inclusion of negatively charged amino acids in the middle as well as at both terminals drives the peptides to self-assemble to form well-ordered nanofibers with distinct periodic banding patterns specifically mediated by lanthanide ions. The aggregation tendency and the morphology of the final assembled materials for the peptides are modulated in a pH-cooperative manner, which well mimics the pH-dependent fibrillogenesis of Type I collagen. The utilization of lanthanide ions in the system not only offers a convenient external stimulus but also functionalizes assembled materials with excellent luminescent features. Most notably, the lanthanide-triggered peptide assembled nanomaterials possess good cell adhesion properties, which resemble the biological function of collagen. This peptide-Ln3+ system provides a facile and potent strategy to generate nanofibers that mimic both the structural and functional properties of natural collagen. These novel pH-responsive, luminescent, and biofunctional collagen mimetic nanofibers open fascinating opportunities in the development of improved functional biomaterials in tissue engineering, drug delivery, and medical diagnostics.
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Affiliation(s)
- Xiuxia Sun
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou
University, Lanzhou 730000, P. R. China
| | - Manman He
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou
University, Lanzhou 730000, P. R. China
| | - Lang Wang
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou
University, Lanzhou 730000, P. R. China
| | - Liting Luo
- Key
laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese
Academy of Sciences, Wuhan 430071, China
| | - Jie Wang
- Key
laboratory of Magnetic Resonance in Biological Systems, State Key
Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese
Academy of Sciences, Wuhan 430071, China
| | - Jianxi Xiao
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou
University, Lanzhou 730000, P. R. China
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157
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Abstract
Fibrosis is the abnormal deposition of extracellular matrix, which can lead to organ dysfunction, morbidity, and death. The disease burden caused by fibrosis is substantial, and there are currently no therapies that can prevent or reverse fibrosis. Metabolic alterations are increasingly recognized as an important pathogenic process that underlies fibrosis across many organ types. As a result, metabolically targeted therapies could become important strategies for fibrosis reduction. Indeed, some of the pathways targeted by antifibrotic drugs in development - such as the activation of transforming growth factor-β and the deposition of extracellular matrix - have metabolic implications. This Review summarizes the evidence to date and describes novel opportunities for the discovery and development of drugs for metabolic reprogramming, their associated challenges, and their utility in reducing fibrosis. Fibrotic therapies are potentially relevant to numerous common diseases such as cirrhosis, non-alcoholic steatohepatitis, chronic renal disease, heart failure, diabetes, idiopathic pulmonary fibrosis, and scleroderma.
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158
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Kolay J, Bera S, Mukhopadhyay R. Electron Transport in Muscle Protein Collagen. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:11950-11957. [PMID: 31404493 DOI: 10.1021/acs.langmuir.9b01685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In recent times, collagen, which is one of the most abundant proteins in animals, has appeared to be an attractive candidate for biomaterial applications, for example, in medical implants and wearable electronics. This is because collagen is water-insoluble, biocompatible, and nontoxic. In addition, films of different sizes and shapes can be made using this protein as it is malleable and elastic in nature. However, its electron transport capacity or its absence has remained largely untested so far. Therefore, in this work, the electron transport behavior of collagen has been studied in both film and single-fiber states in a local probe configuration using current-sensing atomic force spectroscopy (CSAFS). From the CSAFS analyses, the electronic (transport) band gap of collagen has been estimated. It has been found that collagen behaves as a wide band gap semiconductor (near-insulating) in a variety of experimental conditions. The transition to a semiconducting material with a low electronic band gap and a nearly 1000-fold enhancement of current (picoampere to nanoampere level) occurs by metal ion treatment (here, Fe3+) of the native collagen. To the best of our knowledge, this is the first report of a molecular level study of the electron transport behavior of collagen proteins and estimation of transport band gap values of collagen and metalated collagen.
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Affiliation(s)
- Jayeeta Kolay
- School of Biological Sciences , Indian Association for the Cultivation of Science , Jadavpur , Kolkata 700 032 , India
| | - Sudipta Bera
- School of Biological Sciences , Indian Association for the Cultivation of Science , Jadavpur , Kolkata 700 032 , India
| | - Rupa Mukhopadhyay
- School of Biological Sciences , Indian Association for the Cultivation of Science , Jadavpur , Kolkata 700 032 , India
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159
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Hann SY, Cui H, Esworthy T, Miao S, Zhou X, Lee SJ, Fisher JP, Zhang LG. Recent advances in 3D printing: vascular network for tissue and organ regeneration. Transl Res 2019; 211:46-63. [PMID: 31004563 PMCID: PMC6702061 DOI: 10.1016/j.trsl.2019.04.002] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/31/2019] [Accepted: 04/02/2019] [Indexed: 12/16/2022]
Abstract
Over the past years, the fabrication of adequate vascular networks has remained the main challenge in engineering tissues due to technical difficulties, while the ultimate objective of tissue engineering is to create fully functional and sustainable organs and tissues to transplant in the human body. There have been a number of studies performed to overcome this limitation, and as a result, 3D printing has become an emerging technique to serve in a variety of applications in constructing vascular networks within tissues and organs. 3D printing incorporated technical approaches allow researchers to fabricate complex and systematic architecture of vascular networks and offer various selections for fabrication materials and printing techniques. In this review, we will discuss materials and strategies for 3D printed vascular networks as well as specific applications for certain vascularized tissue and organ regeneration. We will also address the current limitations of vascular tissue engineering and make suggestions for future directions research may take.
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Affiliation(s)
- Sung Yun Hann
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC
| | - Haitao Cui
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC
| | - Timothy Esworthy
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC
| | - Shida Miao
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC
| | - Xuan Zhou
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC
| | - Se-Jun Lee
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC
| | - John P Fisher
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland; Center for Engineering Complex Tissues, University of Maryland, College Park, Maryland
| | - Lijie Grace Zhang
- Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC; Department of Electrical and Computer Engineering, The George Washington University, Washington, DC; Department of Biomedical Engineering, The George Washington University, Washington, DC; Department of Medicine, The George Washington University Medical Center, Washington, DC.
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160
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Olivares V, Cóndor M, Del Amo C, Asín J, Borau C, García-Aznar JM. Image-based Characterization of 3D Collagen Networks and the Effect of Embedded Cells. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2019; 25:971-981. [PMID: 31210124 DOI: 10.1017/s1431927619014570] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Collagen microstructure is closely related to the mechanical properties of tissues and affects cell migration through the extracellular matrix. To study these structures, three-dimensional (3D) in vitro collagen-based gels are often used, attempting to mimic the natural environment of cells. Some key parameters of the microstructure of these gels are fiber orientation, fiber length, or pore size, which define the mechanical properties of the network and therefore condition cell behavior. In the present study, an automated tool to reconstruct 3D collagen networks is used to extract the aforementioned parameters of gels of different collagen concentration and determine how their microstructure is affected by the presence of cells. Two different experiments are presented to test the functionality of the method: first, collagen gels are embedded within a microfluidic device and collagen fibers are imaged by using confocal fluorescence microscopy; second, collagen gels are directly polymerized in a cell culture dish and collagen fibers are imaged by confocal reflection microscopy. Finally, we investigate and compare the collagen microstructure far from and in the vicinities of MDA-MB 23 cells, finding that cell activity during migration was able to strongly modify the orientation of the collagen fibers and the porosity-related values.
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Affiliation(s)
- Vanesa Olivares
- Multiscale in Mechanical and Biological Engineering (Department of Mechanical Engineering),University of Zaragoza,Zaragoza,Spain
| | - Mar Cóndor
- Multiscale in Mechanical and Biological Engineering (Department of Mechanical Engineering),University of Zaragoza,Zaragoza,Spain
| | - Cristina Del Amo
- Multiscale in Mechanical and Biological Engineering (Department of Mechanical Engineering),University of Zaragoza,Zaragoza,Spain
| | - Jesús Asín
- Department of Statistical Methods,University of Zaragoza,Zaragoza,Spain
| | - Carlos Borau
- Multiscale in Mechanical and Biological Engineering (Department of Mechanical Engineering),University of Zaragoza,Zaragoza,Spain
| | - José Manuel García-Aznar
- Multiscale in Mechanical and Biological Engineering (Department of Mechanical Engineering),University of Zaragoza,Zaragoza,Spain
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161
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Copes F, Pien N, Van Vlierberghe S, Boccafoschi F, Mantovani D. Collagen-Based Tissue Engineering Strategies for Vascular Medicine. Front Bioeng Biotechnol 2019; 7:166. [PMID: 31355194 PMCID: PMC6639767 DOI: 10.3389/fbioe.2019.00166] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 06/24/2019] [Indexed: 12/21/2022] Open
Abstract
Cardiovascular diseases (CVDs) account for the 31% of total death per year, making them the first cause of death in the world. Atherosclerosis is at the root of the most life-threatening CVDs. Vascular bypass/replacement surgery is the primary therapy for patients with atherosclerosis. The use of polymeric grafts for this application is still burdened by high-rate failure, mostly caused by thrombosis and neointima hyperplasia at the implantation site. As a solution for these problems, the fast re-establishment of a functional endothelial cell (EC) layer has been proposed, representing a strategy of crucial importance to reduce these adverse outcomes. Implant modifications using molecules and growth factors with the aim of speeding up the re-endothelialization process has been proposed over the last years. Collagen, by virtue of several favorable properties, has been widely studied for its application in vascular graft enrichment, mainly as a coating for vascular graft luminal surface and as a drug delivery system for the release of pro-endothelialization factors. Collagen coatings provide receptor-ligand binding sites for ECs on the graft surface and, at the same time, act as biological sealants, effectively reducing graft porosity. The development of collagen-based drug delivery systems, in which small-molecule and protein-based drugs are immobilized within a collagen scaffold in order to control their release for biomedical applications, has been widely explored. These systems help in protecting the biological activity of the loaded molecules while slowing their diffusion from collagen scaffolds, providing optimal effects on the targeted vascular cells. Moreover, collagen-based vascular tissue engineering substitutes, despite not showing yet optimal mechanical properties for their use in the therapy, have shown a high potential as physiologically relevant models for the study of cardiovascular therapeutic drugs and diseases. In this review, the current state of the art about the use of collagen-based strategies, mainly as a coating material for the functionalization of vascular graft luminal surface, as a drug delivery system for the release of pro-endothelialization factors, and as physiologically relevant in vitro vascular models, and the future trend in this field of research will be presented and discussed.
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Affiliation(s)
- Francesco Copes
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, QC, Canada
- Laboratory of Human Anatomy, Department of Health Sciences, University of Piemonte Orientale, Novara, Italy
| | - Nele Pien
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, QC, Canada
- Polymer Chemistry & Biomaterials Group, Department of Organic and Macromolecular Chemistry, Centre of Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Sandra Van Vlierberghe
- Polymer Chemistry & Biomaterials Group, Department of Organic and Macromolecular Chemistry, Centre of Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Francesca Boccafoschi
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, QC, Canada
- Laboratory of Human Anatomy, Department of Health Sciences, University of Piemonte Orientale, Novara, Italy
| | - Diego Mantovani
- Laboratory for Biomaterials and Bioengineering, Canada Research Chair Tier I for the Innovation in Surgery, Department of Min-Met-Materials Engineering & Regenerative Medicine, CHU de Quebec Research Center, Laval University, Quebec City, QC, Canada
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162
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Velleman SG, Clark DL, Tonniges JR. Fibrillar Collagen Organization Associated with Broiler Wooden Breast Fibrotic Myopathy. Avian Dis 2019; 61:481-490. [PMID: 29337623 DOI: 10.1637/11738-080217-reg.1] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Wooden breast (WB) is a fibrotic myopathy affecting the pectoralis major (p. major) muscle in fast-growing commercial broiler lines. Birds with WB are phenotypically detected by the palpation of a hard p. major muscle. A primary feature of WB is the fibrosis of muscle with the replacement of muscle fibers with extracellular matrix proteins, such as collagen. The ability of a tissue to be pliable and stretch is associated with the organization of collagen fibrils in the connective tissue areas surrounding muscle fiber bundles (perimysium) and around individual muscle fibers (endomysium). The objective of this study was to compare the structure and organization of fibrillar collagen by using transmission electron microscopy in two fast-growing broiler lines (Lines A and B) with incidence of WB to a slower growing broiler Line C with no phenotypically detectable WB. In Line A, the collagen fibrils were tightly packed in a parallel organization, whereas in Line B, the collagen fibrils were randomly aligned. Tightly packed collagen fibrils arranged in parallel are associated with nonpliable collagen that is highly cross-linked. This will lead to a phenotypically hard p. major muscle. In Line C, the fibrillar collagen was sparse in its distribution. Furthermore, the average collagen fibril diameter and banding D-period length were altered in Line A p. major muscles affected with WB. Taken together, these data are suggestive of different fibrotic myopathies beyond just what is classified as WB in fast-growing broiler lines.
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Affiliation(s)
- Sandra G Velleman
- Department of Animal Sciences, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH 44691
| | - Daniel L Clark
- Department of Animal Sciences, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH 44691
| | - Jeffrey R Tonniges
- Department of Animal Sciences, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH 44691
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163
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Li H, Chang H, Shi Z, Leung PCK. ID
3 mediates the
TGF
‐β1‐induced suppression of matrix metalloproteinase‐1 in human granulosa cells. FEBS J 2019; 286:4310-4327. [DOI: 10.1111/febs.14964] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 04/17/2019] [Accepted: 06/14/2019] [Indexed: 11/30/2022]
Affiliation(s)
- Hui Li
- Key laboratory of Animal Breeding and Reproduction Institute of Animal Science Jiangsu Academy of Agricultural Sciences Nanjing China
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver Canada
- Jiangsu Key Laboratory for Food Quality and Safety‐State Key Laboratory Cultivation Base of Ministry of Science and Technology Jiangsu Academy of Agricultural Sciences Nanjing China
| | - Hsun‐Ming Chang
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver Canada
| | - Zhendan Shi
- Key laboratory of Animal Breeding and Reproduction Institute of Animal Science Jiangsu Academy of Agricultural Sciences Nanjing China
- Jiangsu Key Laboratory for Food Quality and Safety‐State Key Laboratory Cultivation Base of Ministry of Science and Technology Jiangsu Academy of Agricultural Sciences Nanjing China
| | - Peter C. K. Leung
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver Canada
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164
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Li IC, Hulgan SAH, Walker DR, Farndale RW, Hartgerink JD, Jalan AA. Covalent Capture of a Heterotrimeric Collagen Helix. Org Lett 2019; 21:5480-5484. [DOI: 10.1021/acs.orglett.9b01771] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- I-Che Li
- Rice University Department of Chemistry, 6100 Main Street, Houston, Texas 77005, United States
| | - Sarah A. H. Hulgan
- Rice University Department of Chemistry, 6100 Main Street, Houston, Texas 77005, United States
| | - Douglas R. Walker
- Rice University Department of Chemistry, 6100 Main Street, Houston, Texas 77005, United States
| | - Richard W. Farndale
- University of Cambridge Department of Biochemistry, Downing Site, Cambridge CB2 1QW, U.K
| | - Jeffrey D. Hartgerink
- Rice University Department of Chemistry, 6100 Main Street, Houston, Texas 77005, United States
| | - Abhishek A. Jalan
- University of Bayreuth Department of Biochemistry, Universitätsstraße 30, Bayreuth 95447, Germany
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165
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Galliou PA, Verrou KM, Koliakos G. Phosphorylation mapping of laminin α1-chain: Kinases in association with active sites. Comput Biol Chem 2019; 80:480-497. [PMID: 31174160 DOI: 10.1016/j.compbiolchem.2019.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 04/25/2019] [Indexed: 11/25/2022]
Abstract
Laminin-111 is a trimeric glycoprotein of the extracellular matrix (ECM) that holds a significant role in cell adhesion, migration and differentiation. Laminin-111 is the most studied laminin isoform, composed of three chains; α1, β1 and γ1. Phosphorylation is the most common eukaryotic post - translational modification and has regulatory effect on protein function. Using bioinformatic tools we computationally predicted all the possible phosphorylation sites on human laminin α1-chain sequence (LAMA1) according to kinases binding motifs. Thus, we predicted, for the first time, the possibly responsible kinases for fifteen of the nineteen already published experimentally observed phosphorylated residues in LAMA1. Searching the literature extensively, we recorded all the known functional sites (active sites) in LAMA1. We combined the experimentally observed and predicted phosphorylated residues as well as the active sites in LAMA1, generating an analytic phosphorylation map of human laminin α1-chain, which is useful for further analysis. Our results indicated fourteen kinases that might be important for the phosphorylation of human laminin α1-chain, out of which three kinases with reported ecto-phosphorylation activity (PKA, PKC and CKII) were suggested to have a more significant role. Six cancer associated-active sites were correlated with kinases, three out which were correlated with only the above ecto - kinases.
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Affiliation(s)
- Panagiota Angeliki Galliou
- Laboratory of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, 54124, Greece..
| | - Kleio-Maria Verrou
- Laboratory of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, 54124, Greece.; School of Medicine, University of Crete, 71500, Greece..
| | - George Koliakos
- Laboratory of Biological Chemistry, Medical School, Aristotle University of Thessaloniki, 54124, Greece..
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166
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Liu CF, Li XL, Zhang ZL, Qiu L, Ding SX, Xue JX, Zhao GP, Li J. Antiaging Effects of Urolithin A on Replicative Senescent Human Skin Fibroblasts. Rejuvenation Res 2019; 22:191-200. [DOI: 10.1089/rej.2018.2066] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Chun-feng Liu
- Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
| | - Xiao-lin Li
- Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
| | - Zi-long Zhang
- Shanghai International Travel Healthcare Center, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
| | - Lu Qiu
- Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
| | - Shi-xuan Ding
- Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
| | - Jun-xin Xue
- Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
| | - Guo-ping Zhao
- National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jian Li
- Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau, Shanghai, China
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167
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Moon H, Choy S, Park Y, Jung YM, Koo JM, Hwang DS. Different Molecular Interaction between Collagen and α- or β-Chitin in Mechanically Improved Electrospun Composite. Mar Drugs 2019; 17:md17060318. [PMID: 31151236 PMCID: PMC6628339 DOI: 10.3390/md17060318] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 05/28/2019] [Accepted: 05/28/2019] [Indexed: 01/19/2023] Open
Abstract
Although collagens from vertebrates are mainly used in regenerative medicine, the most elusive issue in the collagen-based biomedical scaffolds is its insufficient mechanical strength. To solve this problem, electrospun collagen composites with chitins were prepared and molecular interactions which are the cause of the mechanical improvement in the composites were investigated by two-dimensional correlation spectroscopy (2DCOS). The electrospun collagen is composed of two kinds of polymorphs, α- and β-chitin, showing different mechanical enhancement and molecular interactions due to different inherent configurations in the crystal structure, resulting in solvent and polymer susceptibility. The collagen/α-chitin has two distinctive phases in the composite, but β-chitin composite has a relatively homogeneous phase. The β-chitin composite showed better tensile strength with ~41% and ~14% higher strength compared to collagen and α-chitin composites, respectively, due to a favorable secondary interaction, i.e., inter- rather than intra-molecular hydrogen bonds. The revealed molecular interaction indicates that β-chitin prefers to form inter-molecular hydrogen bonds with collagen by rearranging their uncrumpled crystalline regions, unlike α-chitin.
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Affiliation(s)
- Hyunwoo Moon
- Division of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Chengam-ro, Nam-gu, Pohang 37673, Korea.
| | - Seunghwan Choy
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), 77 Chengam-ro, Nam-gu, Pohang 37673, Korea.
| | - Yeonju Park
- Department of Chemistry, Institute for Molecular Science and Fusion Technology, Kangwon National University, Chuncheon 24341, Korea.
| | - Young Mee Jung
- Department of Chemistry, Institute for Molecular Science and Fusion Technology, Kangwon National University, Chuncheon 24341, Korea.
| | - Jun Mo Koo
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 58, SE-100 44 Stockholm, Sweden.
| | - Dong Soo Hwang
- Division of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Chengam-ro, Nam-gu, Pohang 37673, Korea.
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), 77 Chengam-ro, Nam-gu, Pohang 37673, Korea.
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168
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Bülow RD, Boor P. Extracellular Matrix in Kidney Fibrosis: More Than Just a Scaffold. J Histochem Cytochem 2019; 67:643-661. [PMID: 31116062 DOI: 10.1369/0022155419849388] [Citation(s) in RCA: 223] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Kidney fibrosis is the common histological end-point of progressive, chronic kidney diseases (CKDs) regardless of the underlying etiology. The hallmark of renal fibrosis, similar to all other organs, is pathological deposition of extracellular matrix (ECM). Renal ECM is a complex network of collagens, elastin, and several glycoproteins and proteoglycans forming basal membranes and interstitial space. Several ECM functions beyond providing a scaffold and organ stability are being increasingly recognized, for example, in inflammation. ECM composition is determined by the function of each of the histological compartments of the kidney, that is, glomeruli, tubulo-interstitium, and vessels. Renal ECM is a dynamic structure undergoing remodeling, particularly during fibrosis. From a clinical perspective, ECM proteins are directly involved in several rare renal diseases and indirectly in CKD progression during renal fibrosis. ECM proteins could serve as specific non-invasive biomarkers of fibrosis and scaffolds in regenerative medicine. The gold standard and currently only specific means to measure renal fibrosis is renal biopsy, but new diagnostic approaches are appearing. Here, we discuss the localization, function, and remodeling of major renal ECM components in healthy and diseased, fibrotic kidneys and the potential use of ECM in diagnostics of renal fibrosis and in tissue engineering.
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Affiliation(s)
- Roman David Bülow
- Institute of Pathology, RWTH Aachen University Hospital, Aachen, Germany
| | - Peter Boor
- Institute of Pathology, RWTH Aachen University Hospital, Aachen, Germany.,Department of Nephrology and Immunology, RWTH Aachen University Hospital, Aachen, Germany
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169
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Castilla-Casadiego DA, García JR, García AJ, Almodovar J. Heparin/Collagen Coatings Improve Human Mesenchymal Stromal Cell Response to Interferon Gamma. ACS Biomater Sci Eng 2019; 5:2793-2803. [DOI: 10.1021/acsbiomaterials.9b00008] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- David A. Castilla-Casadiego
- Department of Chemical Engineering, University of Puerto Rico Mayaguez, Call Box 9000, Mayaguez, Puerto Rico 00681-9000, United States
| | - José R. García
- Woodruff School of Mechanical Engineering, Petit Institute for Bioengineering and Bioscience, 315 Ferst Dr., Georgia Institute of Technology, Atlanta, Georgia 30332-0363, United States
| | - Andrés J. García
- Woodruff School of Mechanical Engineering, Petit Institute for Bioengineering and Bioscience, 315 Ferst Dr., Georgia Institute of Technology, Atlanta, Georgia 30332-0363, United States
| | - Jorge Almodovar
- Department of Chemical Engineering, University of Puerto Rico Mayaguez, Call Box 9000, Mayaguez, Puerto Rico 00681-9000, United States
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170
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Harjumäki R, Nugroho RWN, Zhang X, Lou YR, Yliperttula M, Valle-Delgado JJ, Österberg M. Quantified forces between HepG2 hepatocarcinoma and WA07 pluripotent stem cells with natural biomaterials correlate with in vitro cell behavior. Sci Rep 2019; 9:7354. [PMID: 31089156 PMCID: PMC6517585 DOI: 10.1038/s41598-019-43669-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 04/16/2019] [Indexed: 12/20/2022] Open
Abstract
In vitro cell culture or tissue models that mimic in vivo cellular response have potential in tissue engineering and regenerative medicine, and are a more economical and accurate option for drug toxicity tests than animal experimentation. The design of in vivo-like cell culture models should take into account how the cells interact with the surrounding materials and how these interactions affect the cell behavior. Cell-material interactions are furthermore important in cancer metastasis and tumor progression, so deeper understanding of them can support the development of new cancer treatments. Herein, the colloidal probe microscopy technique was used to quantify the interactions of two cell lines (human pluripotent stem cell line WA07 and human hepatocellular carcinoma cell line HepG2) with natural, xeno-free biomaterials of different chemistry, morphology, and origin. Key components of extracellular matrices -human collagens I and IV, and human recombinant laminin-521-, as well as wood-derived, cellulose nanofibrils -with evidenced potential for 3D cell culture and tissue engineering- were analysed. Both strength of adhesion and force curve profiles depended on biomaterial nature and cell characteristics. The successful growth of the cells on a particular biomaterial required cell-biomaterial adhesion energies above 0.23 nJ/m. The information obtained in this work supports the development of new materials or hybrid scaffolds with tuned cell adhesion properties for tissue engineering, and provides a better understanding of the interactions of normal and cancerous cells with biomaterials in the human body.
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Affiliation(s)
- Riina Harjumäki
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076, Aalto, Finland
- Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, FI-00014, Helsinki, Finland
| | - Robertus Wahyu N Nugroho
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076, Aalto, Finland
| | - Xue Zhang
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076, Aalto, Finland
| | - Yan-Ru Lou
- Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, FI-00014, Helsinki, Finland
| | - Marjo Yliperttula
- Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, FI-00014, Helsinki, Finland
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, I-35131, Padova, Italy
| | - Juan José Valle-Delgado
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076, Aalto, Finland.
| | - Monika Österberg
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076, Aalto, Finland.
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171
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Lu Y, Zhang S, Wang Y, Ren X, Han J. Molecular mechanisms and clinical manifestations of rare genetic disorders associated with type I collagen. Intractable Rare Dis Res 2019; 8:98-107. [PMID: 31218159 PMCID: PMC6557237 DOI: 10.5582/irdr.2019.01064] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Type I collagen is an important structural protein of bone, skin, tendon, ligament and other connective tissues. It is initially synthesized as a precursor form, procollagen, consisting of two identical pro-α1(I) and one proα2(I) chains, encoded by COL1A1 and COL1A2, respectively. The N- and C- terminal propeptides of procollagen are cleavage by N-proteinase and C-proteinase correspondingly, to form the central triple helix structure with Gly-X-Y repeat units. Mutations of COL1A1 and COL1A2 genes are associated with osteogenesis imperfecta, some types of Ehlers-Danlos syndrome, Caffey diseases, and osteogenesis imperfect/Ehlers- Danlos syndrome overlapping diseases. Clinical symptoms caused by different variations can be variable or similar, mild to lethal, and vice versa. We reviewed the relationship between clinical manifestations and type I collagen - related rare genetic disorders and their possible molecular mechanisms for different mutations and disorders.
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Affiliation(s)
- Yanqin Lu
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, China
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Ji'nan, China
- Address correspondence to:Dr. Yanqin Lu, Shandong First Medical University & Shandong Academy of Medical Sciences, 18877 Jingshi Road, Ji'nan 250062, China. E-mail:
| | - Shie Zhang
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, China
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Ji'nan, China
| | - Yanzhou Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Ji'nan, China
| | - Xiuzhi Ren
- Department of Orthopaedic Surgery, The People’s Hospital of Wuqing District, Tianjin, China
| | - Jinxiang Han
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, China
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Ji'nan, China
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172
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Orgel JPRO, Madhurapantula RS. A structural prospective for collagen receptors such as DDR and their binding of the collagen fibril. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2019; 1866:118478. [PMID: 31004686 DOI: 10.1016/j.bbamcr.2019.04.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 04/11/2019] [Accepted: 04/12/2019] [Indexed: 12/13/2022]
Abstract
The structure of the collagen fibril surface directly effects and possibly assists the management of collagen receptor interactions. An important class of collagen receptors, the receptor tyrosine kinases of the Discoidin Domain Receptor family (DDR1 and DDR2), are differentially activated by specific collagen types and play important roles in cell adhesion, migration, proliferation, and matrix remodeling. This review discusses their structure and function as it pertains directly to the fibrillar collagen structure with which they interact far more readily than they do with isolated molecular collagen. This prospective provides further insight into the mechanisms of activation and rational cellular control of this important class of receptors while also providing a comparison of DDR-collagen interactions with other receptors such as integrin and GPVI. When improperly regulated, DDR activation can lead to abnormal cellular proliferation activities such as in cancer. Hence how and when the DDRs associate with the major basis of mammalian tissue infrastructure, fibrillar collagen, should be of keen interest.
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Affiliation(s)
- Joseph P R O Orgel
- Departments of Biology and Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, USA.
| | - Rama S Madhurapantula
- Departments of Biology and Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, USA
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173
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Kleinnijenhuis AJ. Visualization of Genetic Drift Processes Using the Conserved Collagen 1α1 GXY Domain. J Mol Evol 2019; 87:106-130. [PMID: 30863881 DOI: 10.1007/s00239-019-09890-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 03/06/2019] [Indexed: 11/30/2022]
Abstract
Speciation proceeds by the accumulation of DNA differences in time. The genetic code changes as a result of genetic drift and by selective pressure. In variable domains, exposure to high selective pressure obscures the view on background mutations. Therefore, we characterized and visualized background mutations using the highly conserved collagen 1α1 GXY domain. Typical change routes were identified and the data set showed several indications that changes in the collagen 1α1 GXY domain have taken place randomly within a functionally restricted space. The types of nucleotide and codon group differences are similar across the vertebrate subphylum and gradually become less functionally neutral with increasing distance between species, which offers the opportunity for rapid visualization of evolutionary relations using a single domain. It was concluded that the findings and approach of the study could be important for analytical method development in authenticity research, especially when conserved domains are targeted.
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174
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Rivas M, Del Valle LJ, Alemán C, Puiggalí J. Peptide Self-Assembly into Hydrogels for Biomedical Applications Related to Hydroxyapatite. Gels 2019; 5:E14. [PMID: 30845674 PMCID: PMC6473879 DOI: 10.3390/gels5010014] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 02/19/2019] [Accepted: 02/25/2019] [Indexed: 01/02/2023] Open
Abstract
Amphiphilic peptides can be self-assembled by establishing physical cross-links involving hydrogen bonds and electrostatic interactions with divalent ions. The derived hydrogels have promising properties due to their biocompatibility, reversibility, trigger capability, and tunability. Peptide hydrogels can mimic the extracellular matrix and favor the growth of hydroxyapatite (HAp) as well as its encapsulation. Newly designed materials offer great perspectives for applications in the regeneration of hard tissues such as bones, teeth, and cartilage. Furthermore, development of drug delivery systems based on HAp and peptide self-assembly is attracting attention.
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Affiliation(s)
- Manuel Rivas
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Luís J Del Valle
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Carlos Alemán
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Jordi Puiggalí
- Chemical Engineering Department, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain.
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175
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Caddeo S, Mattioli-Belmonte M, Cassino C, Barbani N, Dicarlo M, Gentile P, Baino F, Sartori S, Vitale-Brovarone C, Ciardelli G. Newly-designed collagen/polyurethane bioartificial blend as coating on bioactive glass-ceramics for bone tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:218-233. [DOI: 10.1016/j.msec.2018.11.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 11/02/2018] [Accepted: 11/07/2018] [Indexed: 10/27/2022]
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176
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Pena-Francesch A, Demirel MC. Squid-Inspired Tandem Repeat Proteins: Functional Fibers and Films. Front Chem 2019; 7:69. [PMID: 30847338 PMCID: PMC6393770 DOI: 10.3389/fchem.2019.00069] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 01/25/2019] [Indexed: 02/05/2023] Open
Abstract
Production of repetitive polypeptides that comprise one or more tandem copies of a single unit with distinct amorphous and ordered regions have been an interest for the last couple of decades. Their molecular structure provides a rich architecture that can micro-phase-separate to form periodic nanostructures (e.g., lamellar and cylindrical repeating phases) with enhanced physicochemical properties via directed or natural evolution that often exceed those of conventional synthetic polymers. Here, we review programmable design, structure, and properties of functional fibers and films from squid-inspired tandem repeat proteins, with applications in soft photonics and advanced textiles among others.
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Affiliation(s)
- Abdon Pena-Francesch
- Center for Research on Advanced Fiber Technologies, Materials Research Institute, Pennsylvania State University, University Park, PA, United States
- Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, United States
| | - Melik C. Demirel
- Center for Research on Advanced Fiber Technologies, Materials Research Institute, Pennsylvania State University, University Park, PA, United States
- Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, United States
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177
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Foster J, Varlas S, Couturaud B, Coe Z, O’Reilly RK. Getting into Shape: Reflections on a New Generation of Cylindrical Nanostructures' Self-Assembly Using Polymer Building Blocks. J Am Chem Soc 2019; 141:2742-2753. [PMID: 30689954 PMCID: PMC6407914 DOI: 10.1021/jacs.8b08648] [Citation(s) in RCA: 149] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Indexed: 12/20/2022]
Abstract
Cylinders are fascinating structures with uniquely high surface area, internal volume, and rigidity. On the nanoscale, a broad range of applications have demonstrated advantageous behavior of cylindrical micelles or bottlebrush polymers over traditional spherical nano-objects. In the past, obtaining pure samples of cylindrical nanostructures using polymer building blocks via conventional self-assembly strategies was challenging. However, in recent years, the development of advanced methods including polymerization-induced self-assembly, crystallization-driven self-assembly, and bottlebrush polymer synthesis has facilitated the easy synthesis of cylindrical nano-objects at industrially relevant scales. In this Perspective, we discuss these techniques in detail, highlighting the advantages and disadvantages of each strategy and considering how the cylindrical nanostructures that are obtained differ in their chemical structure, physical properties, colloidal stability, and reactivity. In addition, we propose future challenges to address in this rapidly expanding field.
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Affiliation(s)
- Jeffrey
C. Foster
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Spyridon Varlas
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Benoit Couturaud
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Zachary Coe
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
| | - Rachel K. O’Reilly
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
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178
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Keller JL, Housh TJ, Hill EC, Smith CM, Schmidt RJ, Johnson GO. The effects of Shilajit supplementation on fatigue-induced decreases in muscular strength and serum hydroxyproline levels. J Int Soc Sports Nutr 2019; 16:3. [PMID: 30728074 PMCID: PMC6364418 DOI: 10.1186/s12970-019-0270-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 01/29/2019] [Indexed: 11/25/2022] Open
Abstract
Background Shilajit is a safe, fluvic mineral complex exudate that is common to Ayurvedic medicine and is composed of fulvic acids, dibenzo-α-pyrones, proteins, and minerals. The purpose of this study was to examine the effects of 8 weeks of Shilajit supplementation at 250 mg·d− 1 (low dose) and 500 mg·d− 1 (high dose) versus placebo on maximal voluntary isometric contraction (MVIC) strength, concentric peak torque, fatigue-induced percent decline in strength, and serum hydroxyproline (HYP). Methods Sixty-three recreationally-active men (\documentclass[12pt]{minimal}
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\begin{document}$$ \overline{X} $$\end{document}X¯ ± SD: 21.2 ± 2.4 yr.; 179.8 ± 6.3 cm; 83.1 ± 12.7 kg) volunteered to participate in this study. The subjects were randomly assigned to the high dose, low dose, or placebo group (each group: n = 21). During pre-supplementation testing, the subjects performed 2 pretest MVICs, 2 sets of 50 maximal, bilateral, concentric isokinetic leg extensions at 180°·s− 1 separated by 2-min of rest, and 2 posttest MVICs. Following 8 weeks of supplementation, the subjects repeated the pre-supplementation testing procedures. In addition, the groups were dichotomized at the 50th percentile based on pre-supplementation MVIC and baseline HYP. Mixed model ANOVAs and ANCOVAs were used to statistically analyze the dependent variables for the total groups (n = 21 per group) as well as dichotomized groups. Results For the upper 50th percentile group, the post-supplementation adjusted mean percent decline in MVIC was significantly less for the high dose group (8.9 ± 2.3%) than the low dose (17.0 ± 2.4%; p = 0.022) and placebo (16.0 ± 2.4%; p = 0.044) groups. There was no significant (p = 0.774) difference, however, between the low dose and placebo groups. In addition, for the upper 50th percentile group, the adjusted mean post-supplementation baseline HYP for the high dose group (1.5 ± 0.3 μg·mL− 1) was significantly less than both the low dose (2.4 ± 0.3 μg·mL− 1; p = 0.034) and placebo (2.4 ± 0.3 μg·mL− 1, p = 0.024) groups. Conclusions The results of the present study demonstrated that 8 weeks of PrimaVie® Shilajit supplementation at 500 mg·d− 1 promoted the retention of maximal muscular strength following the fatiguing protocol and decreased baseline HYP. Thus, PrimaVie® Shilajit supplementation at 500 mg·d− 1 elicited favorable muscle and connective tissue adaptations.
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Affiliation(s)
- Joshua L Keller
- Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska - Lincoln, 110 Ruth Leverton Hall, Lincoln, NE, 68583-0806, USA.
| | - Terry J Housh
- Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska - Lincoln, 110 Ruth Leverton Hall, Lincoln, NE, 68583-0806, USA
| | - Ethan C Hill
- Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska - Lincoln, 110 Ruth Leverton Hall, Lincoln, NE, 68583-0806, USA
| | - Cory M Smith
- Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska - Lincoln, 110 Ruth Leverton Hall, Lincoln, NE, 68583-0806, USA
| | - Richard J Schmidt
- Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska - Lincoln, 110 Ruth Leverton Hall, Lincoln, NE, 68583-0806, USA
| | - Glen O Johnson
- Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska - Lincoln, 110 Ruth Leverton Hall, Lincoln, NE, 68583-0806, USA
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179
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Peretti M, Badaoui M, Girault A, Van Gulick L, Mabille MP, Tebbakha R, Sevestre H, Morjani H, Ouadid-Ahidouch H. Original association of ion transporters mediates the ECM-induced breast cancer cell survival: Kv10.1-Orai1-SPCA2 partnership. Sci Rep 2019; 9:1175. [PMID: 30718673 PMCID: PMC6362254 DOI: 10.1038/s41598-018-37602-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 11/29/2018] [Indexed: 01/04/2023] Open
Abstract
In the last years it has been shown that many components of tumor microenvironment (TM) can induce cell signaling that permit to breast cancer cells (BC) to maintain their aggressiveness. Ion channels have a role in mediating TM signal; recently we have demonstrated a functional collaboration between Kv10.1 and Orai1 channels in mediating the pro-survival effect of collagen 1 on BC cells. Here we show how SPCA2 (Secretory Pathway Ca2+ ATPase) has a role in this process and is able to support survival and proliferation induced by collagen 1. By participating to an auto-sustaining loop, SPCA2 enhances membrane expression of Kv10.1 and Orai1; the activity of every component of this trio is necessary to mediate a store independent calcium entry (SICE). This SICE is fundamental to maintain both the activation of the pro-survival pathway and the membrane localization and consequently the activity of the two channels. Moreover, the three proteins and the collagen receptor DDR1 are overexpressed only in aggressive tumors tissues. In this work, we propose a novel association between SPCA2, Kv10.1 and Orai1 involved in mediating transduction signals from TM to the BC cells that can be potentially exploited in the search of novel therapeutic targets specific to tumor tissues.
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Affiliation(s)
- Marta Peretti
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France
| | - Mehdi Badaoui
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France
| | - Alban Girault
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France
| | | | - Marie-Pierre Mabille
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France.,Service d'Anatomie et Cytologie Pathologiques and Tumor Bank of Picardie, CHU d'Amiens, Université de Picardie Jules Verne, F-80000, Amiens, France
| | - Riad Tebbakha
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France.,Service d'Anatomie et Cytologie Pathologiques and Tumor Bank of Picardie, CHU d'Amiens, Université de Picardie Jules Verne, F-80000, Amiens, France
| | - Henri Sevestre
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France.,Service d'Anatomie et Cytologie Pathologiques and Tumor Bank of Picardie, CHU d'Amiens, Université de Picardie Jules Verne, F-80000, Amiens, France
| | - Hamid Morjani
- BioSpecT EA7506, Faculty of Pharmacy, Reims University, Reims, France
| | - Halima Ouadid-Ahidouch
- Laboratory of Cellular and Molecular Physiology, EA4667, University of Picardie Jules Verne, Amiens, France.
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180
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Affiliation(s)
- Mohammad Ridwane Mungroo
- Department of Biological Sciences, School of Science and Technology, Sunway University, Bandar Sunway, Malaysia
| | - Naveed Ahmed Khan
- Department of Biological Sciences, School of Science and Technology, Sunway University, Bandar Sunway, Malaysia
| | - Ruqaiyyah Siddiqui
- Department of Biological Sciences, School of Science and Technology, Sunway University, Bandar Sunway, Malaysia
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181
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Rasheed T, Bilal M, Zhao Y, Raza A, Shah SZH, Iqbal HMN. Physiochemical characteristics and bone/cartilage tissue engineering potentialities of protein-based macromolecules - A review. Int J Biol Macromol 2019; 121:13-22. [PMID: 30291929 DOI: 10.1016/j.ijbiomac.2018.10.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/29/2018] [Accepted: 10/01/2018] [Indexed: 02/08/2023]
Abstract
Protein-based macromolecules such as keratin, silk fibroin, collagen, gelatin, and fibrin have emerged as potential candidate materials with unique structural and functional characteristics. Despite many advantages, the development of tissue-engineered constructs that can match the biological context of real tissue matrix remains a challenge in tissue engineering (TE). The tissue-engineered constructs should also support vascularization. Protein-based macromolecules, in pristine or combine form, provide a promising platform to engineer constructs with unique design and functionalities which are highly essential for an appropriate stimulation and differentiation of cells in a specific TE approach. However, much work remains to be undertaken with particular reference to in-depth interactions between constructed cues and target host tissues. Thus, modern advancements are emphasizing to understand critiques and functionalization of protein-based macromolecule that organize not only cellular activities but also tissue regenerations. In this review, numerous physicochemical, functional, and structural characteristics of protein-based macromolecules such as keratin, silk fibroin, collagen, gelatin, and fibrin are discussed. This review also presents the hope vs. hype phenomenon for tissue engineering. Later part of the review focuses on different requisite characteristics and their role in TE. The discussion presented here could prove highly useful for the construction of scaffolds with requisite features.
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Affiliation(s)
- Tahir Rasheed
- School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Yuping Zhao
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Ali Raza
- School of Biomedical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240 Shanghai, China
| | | | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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182
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Bera S, Gazit E. Self-assembly of Functional Nanostructures by Short Helical Peptide Building Blocks. Protein Pept Lett 2019; 26:88-97. [PMID: 30227810 PMCID: PMC6416463 DOI: 10.2174/0929866525666180917163142] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/28/2018] [Accepted: 09/11/2018] [Indexed: 12/03/2022]
Abstract
The self-assembly of short peptide building blocks into well-ordered nanostructures is a key direction in bionanotechnology. The formation of β -sheet organizations by short peptides is well explored, leading to the development of a wide range of functional assemblies. Likewise, many natural proteinaceous materials, such as silk and amyloid fibrils, are based on β-sheet structures. In contrast, collagen, the most abundant protein in mammals, is based on helical arrangement. Similar to β-sheet structures, short helical peptides have been recently discovered to possess a diverse set of functionalities with the potential to fabricate artificial self-assembling materials. Here, we outline the functional roles of self-assembled nanostructures formed by short helical peptides and their potential as artificial materials. We focus on the association between self-assembled mesoscale structures and their material function and demonstrate the way by which this class of building blocks bears the potential for diverse applications, such as the future fabrication of smart devices.
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Affiliation(s)
- Santu Bera
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv
University, Ramat Aviv 69978, Israel
| | - Ehud Gazit
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv
University, Ramat Aviv 69978, Israel
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183
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Verstraete C, Mouchet SR, Verbiest T, Kolaric B. Linear and nonlinear optical effects in biophotonic structures using classical and nonclassical light. JOURNAL OF BIOPHOTONICS 2019; 12:e201800262. [PMID: 30288959 DOI: 10.1002/jbio.201800262] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 10/02/2018] [Indexed: 06/08/2023]
Abstract
In this perspective article, we review the optical study of different biophotonic geometries and biological structures using classical light in linear and nonlinear regime, especially highlighting the link between these morphologies and modern biomedical research. Additionally, the importance of nonlinear optical study in biological research, beyond traditional cell imaging is also highlighted and described. Finally, we present a short introduction regarding nonclassical light and describe the new future perspective of quantum optical study in biology, revealing the link between quantum realm and biological research.
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Affiliation(s)
- Charlotte Verstraete
- Molecular Imaging and Photonics, Department of Chemistry, KU Leuven, Heverlee, Belgium
| | - Sébastien R Mouchet
- School of Physics, University of Exeter, Exeter, UK
- Department of Physics & Namur Institute of Structured Matter (NISM), University of Namur, Namur, Belgium
| | - Thierry Verbiest
- Molecular Imaging and Photonics, Department of Chemistry, KU Leuven, Heverlee, Belgium
| | - Branko Kolaric
- Micro- and Nanophotonic Materials Group, University of Mons, Mons, Belgium
- Center for Photonics, Institute of Physics, University of Belgrade, Belgrade, Serbia
- Old World Labs, Virginia Beach, VA
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184
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Fatkhudinova NL, Vasilyev AV, Bukharova TB, Osidak EO, Starikova NV, Domogatsky SP, Goldshtein DV, Kulakov AA. [The prospects of collagen as a basis for curable and activated osteoplastic materials]. STOMATOLOGII︠A︡ 2018; 97:78-83. [PMID: 30589432 DOI: 10.17116/stomat20189706178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In the review, the structure and biological properties of collagen, variants of its production from natural sources and purification are considered. Methods for modifying the physico-mechanical properties of collagen to create a curable, highly purified collagen hydrogel are described. The advantages of a cured highly purified collagen hydrogel as a basis for osteoplastic material and a means of delivery of growth factors are indicated. The registered osteoplastic materials based on the curable highly purified collagen hydrogel are described, and their comparative analysis is carried out. On the basis of the obtained data, a conclusion was made about the prospects of using collagen as a basis for curable and activated osteoplastic materials.
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Affiliation(s)
- N L Fatkhudinova
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | - A V Vasilyev
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia; Research Centre for Medical Genetics, Moscow, Russia
| | - T B Bukharova
- Research Centre for Medical Genetics, Moscow, Russia
| | | | - N V Starikova
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | | | | | - A A Kulakov
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
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185
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Excision wound healing activity of a common biosurfactant produced by Pseudomonas sp. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.wndm.2018.09.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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186
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187
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Hou HT, Xi-Zhang, Wang J, Liu LX, Zhang JF, Yang Q, He GW. Altered plasma proteins released from platelets and endothelial cells are associated with human patent ductus arteriosus. J Cell Physiol 2018; 234:6842-6853. [PMID: 30480800 DOI: 10.1002/jcp.27433] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 08/27/2018] [Indexed: 11/09/2022]
Abstract
Patent ductus arteriosus is the third most common congenital heart disease and resulted from the persistence of ductal patency after birth. Ductus arteriosus closure involves functional and structural remodeling, controlled by many factors. The changes in plasma protein levels associated with PDA closure are not known. Here we for the first time demonstrate six key differential plasma proteins in human patent ductus arteriosus patients using proteomic technology and present a model to illustrate the constriction and closure of ductus arteriosus. Differentially expressed proteins were analyzed by using isobaric tags for relative and absolute quantification and validated by enzyme-linked immunosorbent assay in new samples. The proteomic data have been deposited to the ProteomeXchange Consortium via the PRIDE partner repository with the data set identifier PXD008568. We found 74 upregulated and 98 downregulated proteins in the plasma of patients with PDA. Five decreased proteins (platelet factor 4, fibrinogen, von Willebrand factor, collagen, and mannose binding lectin-associated serine protease-2) and one increased protein (fibronectin) may increase the risk of patent ductus arteriosus. Those proteins are closely related to platelet activation and coagulation cascades, complement mannan-binding-lectin, and other systemic signaling pathways. Our findings for the first time indicate that the differential proteins involved in different pathways may play key roles in the nonclosure of the ductus arteriosus in humans and may be developed as biomarkers for diagnosis. All those findings may be served as the basis of understanding the etiology and pathogenesis of patent ductus arteriosus.
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Affiliation(s)
- Hai-Tao Hou
- Department of Cardiovascular Surgery & Center for Basic Medical Research, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.,The Heart Center, The Affiliated Hospital of Hangzhou Normal University & Zhejiang University, Hangzhou, China
| | - Xi-Zhang
- Department of Cardiovascular Surgery & Center for Basic Medical Research, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Jun Wang
- Department of Cardiovascular Surgery & Center for Basic Medical Research, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Li-Xin Liu
- Department of Pediatric Cardiothoracic Surgery, Maternal and Child Health Hospital of Tangshan, Hebei, China
| | - Jian-Feng Zhang
- Department of Pediatric Cardiothoracic Surgery, Maternal and Child Health Hospital of Tangshan, Hebei, China
| | - Qin Yang
- Department of Cardiovascular Surgery & Center for Basic Medical Research, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Guo-Wei He
- Department of Cardiovascular Surgery & Center for Basic Medical Research, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.,The Heart Center, The Affiliated Hospital of Hangzhou Normal University & Zhejiang University, Hangzhou, China.,Department of Surgery, Oregon Health and Science University, Portland, Oregon
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188
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Zhu J, Hoop CL, Case DA, Baum J. Cryptic binding sites become accessible through surface reconstruction of the type I collagen fibril. Sci Rep 2018; 8:16646. [PMID: 30413772 PMCID: PMC6226522 DOI: 10.1038/s41598-018-34616-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 10/12/2018] [Indexed: 01/08/2023] Open
Abstract
Collagen fibril interactions with cells and macromolecules in the extracellular matrix drive numerous cellular functions. Binding motifs for dozens of collagen-binding proteins have been determined on fully exposed collagen triple helical monomers. However, when the monomers are assembled into the functional collagen fibril, many binding motifs become inaccessible, and yet critical cellular processes occur. Here, we have developed an early stage atomic model of the smallest repeating unit of the type I collagen fibril at the fibril surface that provides a novel framework to address questions about these functionally necessary yet seemingly obstructed interactions. We use an integrative approach by combining molecular dynamics (MD) simulations with atomic force microscopy (AFM) experiments and show that reconstruction of the collagen monomers within the complex fibril play a critical role in collagen interactions. In particular, the fibril surface shows three major conformational changes, which allow cryptic binding sites, including an integrin motif involved in platelet aggregation, to be exposed. The observed dynamics and reconstruction of the fibril surface promote its role as a “smart fibril” to keep certain binding sites cryptic, and to allow accessibility of recognition domains when appropriate.
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Affiliation(s)
- Jie Zhu
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey, 08854, USA
| | - Cody L Hoop
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey, 08854, USA
| | - David A Case
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey, 08854, USA
| | - Jean Baum
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey, 08854, USA.
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189
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The Characteristics of Intrinsic Fluorescence of Type I Collagen Influenced by Collagenase I. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8101947] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The triple helix structure of collagen can be degraded by collagenase. In this study, we explored how the intrinsic fluorescence of type I collagen was influenced by collagenase I. We found that tyrosine was the main factor that could successfully excite the collagen fluorescence. Initially, self-assembly behavior of collagen resulted in a large amount of tyrosine wrapped with collagen, which decreased the fluorescence intensity of type I collagen. After collagenase cleavage, some wrapped-tyrosine could be exposed and thereby the intrinsic fluorescence intensity of collagen increased. By observation and analysis, the influence of collagenase to intrinsic fluorescence of collagen was investigated and elaborated. Furthermore, collagenase cleavage to the special triple helix structure of collagen would result in a slight improvement of collagen thermostability, which was explained by the increasing amount of terminal peptides. These results are helpful and effective for reaction mechanism research related to collagen, which can be observed by fluorescent technology. Meantime, the reaction behaviors of both collagenase and collagenolytic proteases can also be analyzed by fluorescent technology. In conclusion, this research provides a foundation for the further investigation of collagen reactions in different areas, such as medicine, nutrition, food and agriculture.
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190
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Damsongsang P, Chaikiawkeaw D, Phoolcharoen W, Rattanapisit K, Kaewpungsup P, Pavasant P, Hoven VP. Surface-immobilized plant-derived osteopontin as an effective platform to promote osteoblast adhesion and differentiation. Colloids Surf B Biointerfaces 2018; 173:816-824. [PMID: 30551297 DOI: 10.1016/j.colsurfb.2018.10.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 09/06/2018] [Accepted: 10/13/2018] [Indexed: 01/26/2023]
Abstract
In this report, recombinant human osteopontin synthesized in tobacco plants (p-rhOPN) is introduced as a potential bioactive molecule that can promote osteoblast adhesion and differentiation. A glass substrate (SiO2/Si-OH) grafted with poly(acrylic acid) (SiO2/Si-PAA) was prepared by surface-initiated reversible addition-fragmentation chain transfer polymerization and used as a carboxyl-rich platform for the chemical conjugation of p-rhOPN. The PAA grafting and subsequent p-rhOPN immobilization were confirmed by water contact angle, Fourier transform-infrared spectroscopy, X-ray photoelectron spectroscopy and atomic force microscopy analyses. Indirect ELISA quantification revealed that the p-rhOPN immobilization efficiency was above 95% and the surface coverage was a function of the p-rhOPN concentration. MC-3T3-E1 cells cultured on the SiO2/Si-PAA substrate immobilized with various concentrations (0.6-30 ng/mL) of p-rhOPN (SiO2/Si-p-rhOPN) exhibited superior cell spreading compared to those cultured on SiO2/Si-OH or gelatin-modified glass substrate (SiO2/Si-gelatin). Polymerase chain reaction analysis indicated that the SiO2/Si-p-rhOPN substrates with high level of immobilized p-rhOPN promoted MC-3T3-E1 cell differentiation, as demonstrated by the higher transcript expression levels of the osteogenic differentiation regulatory gene, Runt-related transcription factor 2, compared to cells cultured on SiO2/Si-OH or SiO2/Si-gelatin. Given that p-rhOPN can be more economically produced than the commercially available OPN derived from human or mammalian sources, then, together with its well-preserved biological function in spite of being chemically conjugated to the substrates, it is likely that p-rhOPN could be more broadly applied for the development of materials for bone tissue engineering with a promising medical and commercial value.
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Affiliation(s)
- Panittha Damsongsang
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Daneeya Chaikiawkeaw
- Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Waranyoo Phoolcharoen
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand; Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Kaewta Rattanapisit
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Pornjira Kaewpungsup
- Mineralized Tissue Research Unit, Faculty of Dentistry, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Prasit Pavasant
- Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Voravee P Hoven
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand; Center of Excellence in Materials and Bio-interfaces, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok, 10330, Thailand.
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191
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Majumdar S, Wang X, Sommerfeld SD, Chae JJ, Athanasopoulou EN, Shores LS, Duan X, Amzel LM, Stellacci F, Schein O, Guo Q, Singh A, Elisseeff JH. Cyclodextrin Modulated Type I Collagen Self-Assembly to Engineer Biomimetic Cornea Implants. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1804076. [PMID: 34531709 PMCID: PMC8442673 DOI: 10.1002/adfm.201804076] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Indexed: 05/24/2023]
Abstract
Collagen-rich tissues in the cornea exhibit unique and highly organized extracellular matrix ultrastructures, which contribute to its high load-bearing capacity and light transmittance. Corneal collagen fibrils are controlled during development by small leucine-rich proteoglycans (SLRPs) that regulate the fibril diameter and spacing in order to achieve the unique optical transparency. Cyclodextrins (CDs) of varying size and chemical functionality for their ability to regulate collagen assembly during vitrification process are screened in order to create biosynthetic materials that mimic the native cornea structure. Addition of βCD to collagen vitrigels produces materials with aligned fibers and lamellae similar to native cornea, resulting in mechanically robust and transparent materials. Biochemistry analysis revealed that CD interacts with hydrophobic amino acids in collagen to influence assembly and fibril organization. To translate the self-assembled collagen materials for cornea reconstruction, custom molds for gelation and vitrification are engineered to create βCD/Col implants with curvature matching that of the cornea. Acellular βCD/Col materials are implanted in a rabbit partial keratoplasty model with interrupted sutures. The implants demonstrate tissue integration and support re-epithelialization. Therefore, the addition of CD molecules regulates collagen self-assembly and provides a simple process to engineer corneal mimetic substitutes with advanced structural and functional properties.
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Affiliation(s)
- Shoumyo Majumdar
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Xiaokun Wang
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Sven D Sommerfeld
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Jemin Jeremy Chae
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Evangelia-Nefeli Athanasopoulou
- Supramolecular Nanomaterials and Interfaces Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Lucas S Shores
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | | | - L Mario Amzel
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Francesco Stellacci
- Supramolecular Nanomaterials and Interfaces Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Oliver Schein
- Wilmer Eye Institute, Johns Hopkins School of Medicine Baltimore, MD 21231, USA
| | - Qiongyu Guo
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Anirudha Singh
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
| | - Jennifer H Elisseeff
- Translational Tissue Engineering Center, Johns Hopkins University, Baltimore, MD 21231, USA
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192
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Chung YH, Jeong SA, Choi HS, Ro S, Lee JS, Park JK. Protective effects of ginsenoside Rg2 and astaxanthin mixture against UVB-induced DNA damage. Anim Cells Syst (Seoul) 2018; 22:400-406. [PMID: 30533262 PMCID: PMC6282468 DOI: 10.1080/19768354.2018.1523806] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 09/04/2018] [Accepted: 09/11/2018] [Indexed: 12/03/2022] Open
Abstract
Ultraviolet B (UVB) radiation induces skin damage, skin matrix degradation, and wrinkle formation through photochemical reaction and oxidative stress. Therefore, protecting the skin from UVB can prevent skin aging. In this study, we investigated the effects of a mixture (RA) of Rg2, a ginsenoside, and astaxanthin, an antioxidant, on the responses of HaCaT cells exposed to UVB (700 J/m2). The cells were incubated for 24 h after UVB exposure and cell viability was determined by MTT assay. UVB decreased cell viability by 60% compared to that of untreated control cells, whereas RA increased cell viability in a concentration-dependent manner, and this increase was significantly higher than that in the single treatment groups. Further, UVB increased the levels of DNA lesions such as cyclobutane pyrimidine dimer (CPD) and 8-hydroxyguanine (8-OHdG). Conversely, RA decreased both CPD and 8-OHdG levels in a concentration-dependent manner. UVB exposure also increased phosphorylation of ataxia-telangiectasia mutated (ATM) protein kinase and p53 and subsequently increased the levels of GADD45α, p21, and matrix metalloproteinases (MMPs)-3, -9, and -13. Additionally, UVB exposure decreased the level of COL1A1. However, RA treatment decreased the levels of p-ATM, p-p53, GADD45α, p21, MMP-3, -9, and -13 and increased the level of COL1A1 in a concentration-dependent manner. These results suggest that RA reduces UVB-induced cytotoxicity and genotoxicity through up-regulation of DNA repair via the combined effects of Rg2 and astaxanthin.
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Affiliation(s)
- Yu Heon Chung
- Research Institute for Basic Science and Division of Biological Science, Wonkwang University, Iksan, Korea
| | - Seul A Jeong
- Research Institute for Basic Science and Division of Biological Science, Wonkwang University, Iksan, Korea
| | - Hyun Seok Choi
- Research Institute for Basic Science and Division of Biological Science, Wonkwang University, Iksan, Korea
| | - Seungil Ro
- Department of Physiology and Cell Biology, University of Nevada School of Medicine, Reno, NV, USA
| | - Jung Sup Lee
- Department of Biomedical Science, BK21-plus Research Team for Bioactive Control Technology, College of Natural Sciences, Chosun University, Gwangju, Republic of Korea
| | - Jong Kun Park
- Research Institute for Basic Science and Division of Biological Science, Wonkwang University, Iksan, Korea
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193
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Yost S, Duran-Pinedo AE. The contribution of Tannerella forsythia dipeptidyl aminopeptidase IV in the breakdown of collagen. Mol Oral Microbiol 2018; 33:407-419. [PMID: 30171738 DOI: 10.1111/omi.12244] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 08/24/2018] [Accepted: 08/27/2018] [Indexed: 12/24/2022]
Abstract
In this study, we characterized a serine protease from Tannerella forsythia that degrades gelatin, type I, and III collagen. Tannerella forsythia is associated with periodontitis progression and severity. The primary goal of this research was to understand the mechanisms by which T. forsythia contributes to periodontitis progression. One of our previous metatranscriptomic analysis revealed that during periodontitis progression T. forsythia highly expressed the bfor_1659 ORF. The N-terminal end is homologous to dipeptidyl aminopeptidase IV (DPP IV). DPP IV is a serine protease that cleaves X-Pro or X-Ala dipeptide from the N-terminal end of proteins. Collagen type I is rich in X-Pro and X-Ala sequences, and it is the primary constituent of the periodontium. This work assessed the collagenolytic and gelatinolytic properties of BFOR_1659. To that end, the complete BFOR_1659 and its domains were purified as His-tagged recombinant proteins, and their collagenolytic activity was tested on collagen-like substrates, collagen type I and III combined, and on the extracellular matrix (ECM) formed on human gingival fibroblasts culture HGF-1. BFOR_1659 was only found in T. forsythia supernatants, highlighting its potential role on the pathogenicity of T. forsythia. We also found that BFOR_1659 efficiently degrades all tested substrates but the individual domains were inactive. Given that BFOR_1659 is highly expressed in the periodontal pocket, its clinical relevance is suggested to periodontitis progression.
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Affiliation(s)
- Susan Yost
- Forsyth Institute, Cambridge, Massachusetts
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194
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Rethinam S, Thotapalli Parvathaleswara S, Nandhagobal G, Alagumuthu T, Robert B. Preparation of absorbable surgical suture: Novel approach in biomedical application. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.08.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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195
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Ling S, Chen W, Fan Y, Zheng K, Jin K, Yu H, Buehler MJ, Kaplan DL. Biopolymer nanofibrils: structure, modeling, preparation, and applications. Prog Polym Sci 2018; 85:1-56. [PMID: 31915410 PMCID: PMC6948189 DOI: 10.1016/j.progpolymsci.2018.06.004] [Citation(s) in RCA: 168] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Biopolymer nanofibrils exhibit exceptional mechanical properties with a unique combination of strength and toughness, while also presenting biological functions that interact with the surrounding environment. These features of biopolymer nanofibrils profit from their hierarchical structures that spun angstrom to hundreds of nanometer scales. To maintain these unique structural features and to directly utilize these natural supramolecular assemblies, a variety of new methods have been developed to produce biopolymer nanofibrils. In particular, cellulose nanofibrils (CNFs), chitin nanofibrils (ChNFs), silk nanofibrils (SNFs) and collagen nanofibrils (CoNFs), as the four most abundant biopolymer nanofibrils on earth, have been the focus of research in recent years due to their renewable features, wide availability, low-cost, biocompatibility, and biodegradability. A series of top-down and bottom-up strategies have been accessed to exfoliate and regenerate these nanofibrils for versatile advanced applications. In this review, we first summarize the structures of biopolymer nanofibrils in nature and outline their related computational models with the aim of disclosing fundamental structure-property relationships in biological materials. Then, we discuss the underlying methods used for the preparation of CNFs, ChNFs, SNF and CoNFs, and discuss emerging applications for these biopolymer nanofibrils.
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Affiliation(s)
- Shengjie Ling
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Wenshuai Chen
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin, China
| | - Yimin Fan
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Ke Zheng
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Kai Jin
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Haipeng Yu
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin, China
| | - Markus J. Buehler
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
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196
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Morello R. Osteogenesis imperfecta and therapeutics. Matrix Biol 2018; 71-72:294-312. [PMID: 29540309 PMCID: PMC6133774 DOI: 10.1016/j.matbio.2018.03.010] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/08/2018] [Accepted: 03/08/2018] [Indexed: 02/08/2023]
Abstract
Osteogenesis imperfecta, or brittle bone disease, is a congenital disease that primarily causes low bone mass and bone fractures but it can negatively affect other organs. It is usually inherited in an autosomal dominant fashion, although rarer recessive and X-chromosome-linked forms of the disease have been identified. In addition to type I collagen, mutations in a number of other genes, often involved in type I collagen synthesis or in the differentiation and function of osteoblasts, have been identified in the last several years. Seldom, the study of a rare disease has delivered such a wealth of new information that have helped our understanding of multiple processes involved in collagen synthesis and bone formation. In this short review I will describe the clinical features and the molecular genetics of the disease, but then focus on how OI dysregulates all aspects of extracellular matrix biology. I will conclude with a discussion about OI therapeutics.
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Affiliation(s)
- Roy Morello
- Department of Physiology & Biophysics, Orthopaedic Surgery, and Division of Genetics, University of Arkansas for Medical Sciences, Little Rock, AR, United States.
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197
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Worm-like chain model extensions for highly stretched tropocollagen molecules. J Biomech 2018; 80:129-135. [DOI: 10.1016/j.jbiomech.2018.08.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/27/2018] [Accepted: 08/29/2018] [Indexed: 11/18/2022]
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198
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Adaptive Evolution of the Eda Gene and Scales Loss in Schizothoracine Fishes in Response to Uplift of the Tibetan Plateau. Int J Mol Sci 2018; 19:ijms19102953. [PMID: 30262767 PMCID: PMC6213870 DOI: 10.3390/ijms19102953] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/21/2018] [Accepted: 09/25/2018] [Indexed: 12/16/2022] Open
Abstract
Schizothoracine is the predominant wild fish subfamily of the Tibetan plateau (TP). Their scales, pharyngeal teeth and barbels have gradually regressed with increasing altitude. Schizothoracine have been divided into three groups: primitive, specialized and highly specialized. Ectodysplasin-A (Eda) has been considered as a major gene that contributes to the development of skin appendages. The present study cloned the Eda genes of 51 Schizothoracine fish species which represent the three groups and five Barbinae species. Phylogenetic analyses indicated that Eda may have acted as the genetic trigger for scale loss in the Schizothoracine. Furthermore, 14 single nucleotide polymorphisms (SNPs) and two deletions (18 bp and 6 bp in size), were also detected in the Eda coding sequence of the highly specialized group compared to the primitive group. The same SNPs and two indels result in four non-synonymous and two G-X-Y and 1 XY motif indels, which possibly contribute to significant structure changes in the Eda gene. The domain including (G-X-Y)n motif in the Eda gene is relatively conserved amongst teleosts. Based on the above results, we hypothesize that the evolution of Eda gene might be associated with the scale loss in Schizothoracine fishes in response to the phased uplift of the TP.
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199
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New transgenic NIS reporter rats for longitudinal tracking of fibrogenesis by high-resolution imaging. Sci Rep 2018; 8:14209. [PMID: 30242176 PMCID: PMC6155090 DOI: 10.1038/s41598-018-32442-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/31/2018] [Indexed: 12/25/2022] Open
Abstract
Fibrogenesis is the underlying mechanism of wound healing and repair. Animal models that enable longitudinal monitoring of fibrogenesis are needed to improve traditional tissue analysis post-mortem. Here, we generated transgenic reporter rats expressing the sodium iodide symporter (NIS) driven by the rat collagen type-1 alpha-1 (Col1α1) promoter and demonstrated that fibrogenesis can be visualized over time using SPECT or PET imaging following activation of NIS expression by rotator cuff (RC) injury. Radiotracer uptake was first detected in and around the injury site day 3 following surgery, increasing through day 7–14, and declining by day 21, revealing for the first time, the kinetics of Col1α1 promoter activity in situ. Differences in the intensity and duration of NIS expression/collagen promoter activation between individual RC injured Col1α1-hNIS rats were evident. Dexamethasone treatment delayed time to peak NIS signals, showing that modulation of fibrogenesis by a steroid can be imaged with exquisite sensitivity and resolution in living animals. NIS reporter rats would facilitate studies in physiological wound repair and pathological processes such as fibrosis and the development of anti-fibrotic drugs.
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200
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Ghassemi Z, Slaughter G. Storage stability of electrospun pure gelatin stabilized with EDC/Sulfo-NHS. Biopolymers 2018; 109:e23232. [PMID: 30191551 DOI: 10.1002/bip.23232] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 06/22/2018] [Accepted: 06/28/2018] [Indexed: 11/06/2022]
Abstract
With the rapid development of biomimetic polymers for cell-based assays and tissue engineering, crosslinking electrospun nanofibrous biopolymer constructs is of great importance for achieving sustainable and efficient three-dimensional scaffold constructs. Uncrosslinked electrospun gelatin nanofibrous constructs immediately and completely dissolved in aqueous solutions due to their aqueous solubility and poor storage stability. Here, a novel and versatile approach for the fabrication and crosslinking of electrospun gelatin construct with tunable porosity and high aspect ratio nanofibers is presented. Uncrosslinked electrospun gelatin/genipin nanofibrous and pure gelatin nanofibrous constructs exhibited smooth surfaces that were well-defined, with a diameter in the range of 448 ± 364 nm and 257 ± 57 nm, respectively. Dehydrothermal, genipin-EDC/Sulfo-NHS, and EDC/Sulfo-NHS crosslinking approaches were examined to achieve insoluble gelatin nanofibrous constructs that were suitable for cell-based assays. Mechanical characterization demonstrated that the pure gelatin nanofibrous construct crosslinked via EDC/Sulfo-NHS exhibited an increased mechanical strength and stiffness and showed no dissolution in aqueous solutions and retained its fiber morphology. An excellent 1 month storage stability was demonstrated at 22, 4, -20, and -80°C (dehydrated) and at 4°C (hydrated). The as-crosslinked gelatin nanofibrous construct was highly biocompatible (90% cell viability), as demonstrated by the promoted proliferation of PC12 cells.
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Affiliation(s)
- Zahra Ghassemi
- Department of Chemical, Biochemical and Environmental Engineering, Bioelectronics Laboratory, University of Maryland Baltimore County, Baltimore, Maryland
| | - Gymama Slaughter
- Department of Chemical, Biochemical and Environmental Engineering, Bioelectronics Laboratory, University of Maryland Baltimore County, Baltimore, Maryland.,Department of Computer Science and Electrical Engineering, Bioelectronics Laboratory, University of Maryland Baltimore County, Baltimore, Maryland
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