101
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Buchanan JK, Zhang Y, Holmes G, Covington AD, Prabakar S. Role of X‐ray Scattering Techniques in Understanding the Collagen Structure of Leather. ChemistrySelect 2019. [DOI: 10.1002/slct.201902908] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jenna K. Buchanan
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
| | - Yi Zhang
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
| | - Geoff Holmes
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
| | - Anthony D. Covington
- Institute for Creative Leather TechnologiesThe University of NorthamptonUniversity Drive Northampton NN1 5PH United Kingdom
| | - Sujay Prabakar
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
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102
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Cutini M, Pantaleone S, Ugliengo P. Elucidating the Nature of Interactions in Collagen Triple-Helix Wrapping. J Phys Chem Lett 2019; 10:7644-7649. [PMID: 31738560 DOI: 10.1021/acs.jpclett.9b03125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Collagen is the most abundant protein family in the animal kingdom. Its structural motif envisages three polypeptide chains coiled in the so-called collagen triple helix. Depending on the triplet amino acid sequence of the chains, collagen has different helical arrangements. Such atomic-scale structural variations have a large impact on the large-scale structure of collagen. In this Letter, we elucidate the interactions that are responsible for a specific helical pattern of the collagen protein by means of DFT-D-based computer simulations. We demonstrate that interchain interactions and solvation effects stabilize compact helices over elongated ones. Conversely, elongated helices are stabilized by less geometrical strain and entropic factors. Our computational procedure predicts the collagen helical pattern in agreement with the experimental evidence.
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Affiliation(s)
- Michele Cutini
- University of Torino , Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center , Via P. Giuria 7 , 10125 Turin , Italy
| | - Stefano Pantaleone
- Grenoble Alps University, CNRS , Institute of Planetary Sciences and Astrophysics of Grenoble (IPAG) , 38000 Grenoble , France
| | - Piero Ugliengo
- University of Torino , Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center , Via P. Giuria 7 , 10125 Turin , Italy
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103
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Shu F, Dai C, Wang H, Xu C, Wie B, Zhang J, Xu Y, He L, Li S. Formation, Stability and Self‐Assembly Behaviour of the Collagen‐Like Triple Helix Confirmation: The Role of Ser, Ala and Arg/Glu. ChemistrySelect 2019. [DOI: 10.1002/slct.201903500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Feiyi Shu
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Chun Dai
- School of Food Science and EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Haibo Wang
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Chengzhi Xu
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Benmei Wie
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Juntao Zhang
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Yuling Xu
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Lang He
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
| | - Sheng Li
- School of Chemistry and Environmental EngineeringWuhan Polytechnic University, Changqing Garden, Wuhan, Hubei China
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104
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Liu X, Zheng M, Wang X, Luo X, Hou M, Yue O. Biofabrication and Characterization of Collagens with Different Hierarchical Architectures. ACS Biomater Sci Eng 2019; 6:739-748. [DOI: 10.1021/acsbiomaterials.9b01252] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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105
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Kirkness MWH, Lehmann K, Forde NR. Mechanics and structural stability of the collagen triple helix. Curr Opin Chem Biol 2019; 53:98-105. [DOI: 10.1016/j.cbpa.2019.08.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 07/24/2019] [Accepted: 08/12/2019] [Indexed: 01/18/2023]
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106
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Köhler M, Marchand A, Hentzen NB, Egli J, Begley AI, Wennemers H, Zenobi R. Temperature-controlled electrospray ionization mass spectrometry as a tool to study collagen homo- and heterotrimers. Chem Sci 2019; 10:9829-9835. [PMID: 32015805 PMCID: PMC6977553 DOI: 10.1039/c9sc03248g] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 08/29/2019] [Indexed: 12/13/2022] Open
Abstract
Collagen model peptides are useful for understanding the assembly and structure of collagen triple helices. The design of self-assembling heterotrimeric helices is particularly challenging and often affords mixtures of non-covalent assemblies that are difficult to characterize by conventional NMR and CD spectroscopic techniques. This can render a detailed understanding of the factors that control heterotrimer formation difficult and restrict rational design. Here, we present a novel method based on electrospray ionization mass spectrometry to investigate homo- and heterotrimeric collagen model peptides. Under native conditions, the high resolving power of mass spectrometry was used to access the stoichiometric composition of different triple helices in complex mixtures. A temperature-controlled electrospray ionization source was built to perform thermal denaturation experiments and provided melting temperatures of triple helices. These were found to be in good agreement with values obtained from CD spectroscopic measurements. Importantly, for mixtures of coexisting homo- and heterotrimers, which are difficult to analyze by conventional methods, our technique allowed for the identification and monitoring of the unfolding of each individual species. Their respective melting temperatures could easily be accessed in a single experiment, using small amounts of sample.
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Affiliation(s)
- Martin Köhler
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
| | - Adrien Marchand
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
| | - Nina B Hentzen
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
| | - Jasmine Egli
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
| | - Alina I Begley
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
| | - Helma Wennemers
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
| | - Renato Zenobi
- Department of Chemistry and Applied Biosciences , ETH Zurich , 8093 , Zurich , Switzerland . ;
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107
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Pang Y. An order parameter without magic angle effect (OPTIMA) derived from R 1 ρ dispersion in ordered tissue. Magn Reson Med 2019; 83:1783-1795. [PMID: 31691348 DOI: 10.1002/mrm.28045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 12/25/2022]
Abstract
PURPOSE MR R2 imaging of ordered tissue exhibits the magic angle effect, potentially masking subtle pathological changes in cartilage. This work aimed to develop an orientation-independent order parameter (S) exclusively sensitive to collagen degeneration. METHODS A theory was developed based on R 1 ρ dispersion coupled with a simplified molecular motion model in which anisotropic R 2 a ( θ ) became directly proportional to correlation time τ b θ and S could be derived. This new parameter was validated with ex vivo R 1 ρ dispersion reported on orientated (n = 4), enzymatically depleted bovine cartilage (n = 6), and osteoarthritic human knee specimens (n = 14) at 9.4 Tesla, which was further demonstrated on 1 healthy human knee in vivo at 3 Tesla. RESULTS τ b θ from orientation-dependent R 1 ρ dispersion revealed a significantly high average correlation (r = 0.89 ± 0.05, P < 0.05) with R 2 a (θ) on cartilage samples and a moderate correlation (r = 0.48, P < 0.001) for the human knee in vivo. The derived S (10-3 ) significantly decreased in advanced osteoarthritis (1.64 ± 0.03 vs. 2.30 ± 0.11, P < 0.001) and collagen-depleted samples (1.30 ± 0.11 vs. 2.12 ± 0.12, P < 0.001) when compared with early osteoarthritis and the control, respectively. CONCLUSION The proposed order parameter could be a potentially useful orientation-independent MR biomarker for collagen alterations in cartilage and other highly structured tissues.
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Affiliation(s)
- Yuxi Pang
- Department of Radiology, University of Michigan, Ann Arbor, Michigan
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108
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Egli J, Schnitzer T, Dietschreit JCB, Ochsenfeld C, Wennemers H. Why Proline? Influence of Ring-Size on the Collagen Triple Helix. Org Lett 2019; 22:348-351. [DOI: 10.1021/acs.orglett.9b03528] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jasmine Egli
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Tobias Schnitzer
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Johannes C. B. Dietschreit
- Chair of Theoretical Chemistry, Department of Chemistry, University of Munich, Butenandtstr. 7, 81377 Munich, Germany
| | - Christian Ochsenfeld
- Chair of Theoretical Chemistry, Department of Chemistry, University of Munich, Butenandtstr. 7, 81377 Munich, Germany
| | - Helma Wennemers
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
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109
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Harris T, Chenoweth DM. Sterics and Stereoelectronics in Aza-Glycine: Impact of Aza-Glycine Preorganization in Triple Helical Collagen. J Am Chem Soc 2019; 141:18021-18029. [DOI: 10.1021/jacs.9b05524] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Trevor Harris
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - David M. Chenoweth
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
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110
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Role of prolyl hydroxylation in the molecular interactions of collagens. Essays Biochem 2019; 63:325-335. [PMID: 31350381 PMCID: PMC6744578 DOI: 10.1042/ebc20180053] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/25/2019] [Accepted: 07/01/2019] [Indexed: 12/12/2022]
Abstract
Co- and post-translational hydroxylation of proline residues is critical for the stability of the triple helical collagen structure. In this review, we summarise the biology of collagen prolyl 4-hydroxylases and collagen prolyl 3-hydroxylases, the enzymes responsible for proline hydroxylation. Furthermore, we describe the potential roles of hydroxyproline residues in the complex interplay between collagens and other proteins, especially integrin and discoidin domain receptor type cell adhesion receptors. Qualitative and quantitative regulation of collagen hydroxylation may have remarkable effects on the properties of the extracellular matrix and consequently on the cell behaviour.
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111
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Angwin C, Ghali N, Baker D, Brady AF, Pope FM, Vandersteen A, Wagner B, Ferguson DJP, van Dijk FS. Electron microscopy in the diagnosis of Ehlers-Danlos syndromes: correlation with clinical and genetic investigations. Br J Dermatol 2019; 182:698-707. [PMID: 31141158 DOI: 10.1111/bjd.18165] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2019] [Indexed: 01/09/2023]
Abstract
BACKGROUND The Ehlers-Danlos syndromes (EDS) consist of 13 subtypes with overlapping features including joint hypermobility, skin and vascular fragility and generalized connective tissue friability. As DNA analysis has become the gold standard for investigation of EDS, transmission electron microscopy (TEM) in clinical practice is decreasing. However, owing to the use of next-generation sequencing, the frequency of variants of uncertain significance (VUS) identified using DNA analysis is increasing. We hypothesized that TEM can provide evidence for or against pathogenicity of VUS. OBJECTIVES The aim of this study was to evaluate the role of TEM in the diagnosis of EDS subtypes. METHODS Data were collected from patients who underwent a skin biopsy between October 2012 and March 2017 at the London EDS National Diagnostic Service. TEM biopsies were categorized as 'normal' or 'abnormal' according to the description and conclusion in the TEM reports. Definitive diagnoses were reached via a combination of clinical features, structural and functional studies and DNA investigations. RESULTS The analysis included 177 patients, comprising 30 abnormal and 147 normal TEM reports. A definitive diagnosis of monogenic EDS subtypes was made in 24 patients. Overall, 17 of these 24 patients (71%) had an abnormal biopsy report and seven (29%) had a normal biopsy report. No TEM findings were specifically associated with any EDS subtype, although collagen flowers were present in most patients with a genetically confirmed diagnosis of classical EDS. CONCLUSIONS TEM analysis of collagen structure may have the potential to provide evidence for or against the pathogenicity of a VUS, but more work is needed to establish a clear role for TEM in this process. What's already known about this topic? Collagen fibril abnormalities can be seen in several Ehlers-Danlos syndrome (EDS) subtypes. What does this study add? This study provides clinical data, transmission electron microscopy (TEM) data and molecular data of one of the largest groups of patients suspected to have a monogenetic EDS subtype. No TEM findings were specifically associated with an EDS subtype. There was a higher percentage (71%) of abnormal biopsy findings in patients with a definitive diagnosis of a monogenetic EDS subtype and where a class 4/5 genetic variant was present.
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Affiliation(s)
- C Angwin
- Complex Ehlers-Danlos Syndromes National Service London, North West University Healthcare NHS Trust, Harrow, Middlesex, U.K
| | - N Ghali
- Complex Ehlers-Danlos Syndromes National Service London, North West University Healthcare NHS Trust, Harrow, Middlesex, U.K
| | - D Baker
- Sheffield Diagnostic Genetics Service, Sheffield Children's NHS Foundation Trust, Sheffield, U.K
| | - A F Brady
- Complex Ehlers-Danlos Syndromes National Service London, North West University Healthcare NHS Trust, Harrow, Middlesex, U.K
| | - F M Pope
- Department of Dermatology, Chelsea and Westminster Hospital NHS Foundation Trust, London, U.K
| | - A Vandersteen
- Maritime Medical Genetics Service, IWK Health Centre, Halifax, Nova Scotia, Canada
| | - B Wagner
- Connective Tissue Disorders Service, Sheffield Diagnostic Genetics Service, Sheffield, U.K
| | - D J P Ferguson
- Nuffield Department of Clinical Laboratory Sciences, University of Oxford, John Radcliffe Hospital, Oxford, U.K.,Department of Biological & Medical Sciences, Oxford Brookes University, Oxford, U.K
| | - F S van Dijk
- Complex Ehlers-Danlos Syndromes National Service London, North West University Healthcare NHS Trust, Harrow, Middlesex, U.K
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112
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Zhang Y, Buchanan JK, Holmes G, Mansel BW, Prabakar S. Collagen structure changes during chrome tanning in propylene carbonate. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2019. [DOI: 10.1186/s42825-019-0011-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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113
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Lalande M, Schwob L, Vizcaino V, Chirot F, Dugourd P, Schlathölter T, Poully J. Direct Radiation Effects on the Structure and Stability of Collagen and Other Proteins. Chembiochem 2019; 20:2972-2980. [DOI: 10.1002/cbic.201900202] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Mathieu Lalande
- CIMAP LaboratoryUMR 6252CEA/CNRS/ENSICAEN/Université de Caen Normandie) Boulevard Becquerel 14070 Caen France
| | - Lucas Schwob
- Helmholtz AssociationDeutsches Elektronen-Synchrotron (DESY) Notkestrasse 85 22607 Hamburg Germany
| | - Violaine Vizcaino
- CIMAP LaboratoryUMR 6252CEA/CNRS/ENSICAEN/Université de Caen Normandie) Boulevard Becquerel 14070 Caen France
| | - Fabien Chirot
- Université Claude Bernard Lyon 1ENS de LyonUMR 5280 Institut des Sciences Analytiques 5, rue de la Doua 69100 Villeurbanne France
| | - Philippe Dugourd
- Université Claude Bernard Lyon 1CNRSUMR 5306 Institut Lumière Matière 10 rue Ada Byron 69622 Villeurbanne Cedex France
| | - Thomas Schlathölter
- Zernike Institute for Advanced MaterialsUniversity of Groningen Nijenborgh 4 9747 AG Groningen Netherlands
| | - Jean‐Christophe Poully
- CIMAP LaboratoryUMR 6252CEA/CNRS/ENSICAEN/Université de Caen Normandie) Boulevard Becquerel 14070 Caen France
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114
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Cutini M, Bocus M, Ugliengo P. Decoding Collagen Triple Helix Stability by Means of Hybrid DFT Simulations. J Phys Chem B 2019; 123:7354-7364. [DOI: 10.1021/acs.jpcb.9b05222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Michele Cutini
- University of Torino, Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center, Via P. Giuria 7, 10125 Turin, Italy
| | - Massimo Bocus
- University of Torino, Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center, Via P. Giuria 7, 10125 Turin, Italy
| | - Piero Ugliengo
- University of Torino, Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center, Via P. Giuria 7, 10125 Turin, Italy
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115
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Egli J, Siebler C, Köhler M, Zenobi R, Wennemers H. Hydrophobic Moieties Bestow Fast-Folding and Hyperstability on Collagen Triple Helices. J Am Chem Soc 2019; 141:5607-5611. [DOI: 10.1021/jacs.8b13871] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jasmine Egli
- Laboratory of Organic Chemistry, ETH Zurich, D-CHAB, Vladimir-Prelog-Weg 3, Zurich 8093, Switzerland
| | - Christiane Siebler
- Laboratory of Organic Chemistry, ETH Zurich, D-CHAB, Vladimir-Prelog-Weg 3, Zurich 8093, Switzerland
| | - Martin Köhler
- Laboratory of Organic Chemistry, ETH Zurich, D-CHAB, Vladimir-Prelog-Weg 3, Zurich 8093, Switzerland
| | - Renato Zenobi
- Laboratory of Organic Chemistry, ETH Zurich, D-CHAB, Vladimir-Prelog-Weg 3, Zurich 8093, Switzerland
| | - Helma Wennemers
- Laboratory of Organic Chemistry, ETH Zurich, D-CHAB, Vladimir-Prelog-Weg 3, Zurich 8093, Switzerland
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116
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Meyer M. Processing of collagen based biomaterials and the resulting materials properties. Biomed Eng Online 2019; 18:24. [PMID: 30885217 PMCID: PMC6423854 DOI: 10.1186/s12938-019-0647-0] [Citation(s) in RCA: 235] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 03/12/2019] [Indexed: 02/07/2023] Open
Abstract
Collagen, the most abundant extracellular matrix protein in animal kingdom belongs to a family of fibrous proteins, which transfer load in tissues and which provide a highly biocompatible environment for cells. This high biocompatibility makes collagen a perfect biomaterial for implantable medical products and scaffolds for in vitro testing systems. To manufacture collagen based solutions, porous sponges, membranes and threads for surgical and dental purposes or cell culture matrices, collagen rich tissues as skin and tendon of mammals are intensively processed by physical and chemical means. Other tissues such as pericardium and intestine are more gently decellularized while maintaining their complex collagenous architectures. Tissue processing technologies are organized as a series of steps, which are combined in different ways to manufacture structurally versatile materials with varying properties in strength, stability against temperature and enzymatic degradation and cellular response. Complex structures are achieved by combined technologies. Different drying techniques are performed with sterilisation steps and the preparation of porous structures simultaneously. Chemical crosslinking is combined with casting steps as spinning, moulding or additive manufacturing techniques. Important progress is expected by using collagen based bio-inks, which can be formed into 3D structures and combined with live cells. This review will give an overview of the technological principles of processing collagen rich tissues down to collagen hydrolysates and the methods to rebuild differently shaped products. The effects of the processing steps on the final materials properties are discussed especially with regard to the thermal and the physical properties and the susceptibility to enzymatic degradation. These properties are key features for biological and clinical application, handling and metabolization.
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Affiliation(s)
- Michael Meyer
- Research Institute for Leather and Plastic Sheeting, Meissner Ring 1-5, 09599, Freiberg, Germany.
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117
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Walimbe T, Calve S, Panitch A, Sivasankar MP. Incorporation of types I and III collagen in tunable hyaluronan hydrogels for vocal fold tissue engineering. Acta Biomater 2019; 87:97-107. [PMID: 30708064 DOI: 10.1016/j.actbio.2019.01.058] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 01/16/2019] [Accepted: 01/28/2019] [Indexed: 11/28/2022]
Abstract
Vocal fold scarring is the fibrotic manifestation of a variety of voice disorders, and is difficult to treat. Tissue engineering therapies provide a potential strategy to regenerate the native tissue microenvironment in order to restore vocal fold functionality. However, major challenges remain in capturing the complexity of the native tissue and sustaining regeneration. We hypothesized that hydrogels with tunable viscoelastic properties that present relevant biological cues to cells might be better suited as therapeutics. Herein, we characterized the response of human vocal fold fibroblasts to four different biomimetic hydrogels: thiolated hyaluronan (HA) crosslinked with poly(ethylene glycol) diacrylate (PEGDA), HA-PEGDA with type I collagen (HA-Col I), HA-PEGDA with type III collagen (HA-Col III) and HA-PEGDA with type I and III collagen (HA-Col I-Col III). Collagen incorporation allowed for interpenetrating fibrils of collagen within the non-fibrillar HA network, which increased the mechanical properties of the hydrogels. The addition of collagen fibrils also reduced hyaluronidase degradation of HA and hydrogel swelling ratio. Fibroblasts encapsulated in the HA-Col gels adopted a spindle shaped fibroblastic morphology by day 7 and exhibited extensive cytoskeletal networks by day 21, suggesting that the incorporation of collagen was essential for cell adhesion and spreading. Cells remained viable and synthesized new DNA throughout 21 days of culture. Gene expression levels significantly differed between the cells encapsulated in the different hydrogels. Relative fold changes in gene expression of MMP1, COL1A1, fibronectin and decorin suggest higher degrees of remodeling in HA-Col I-Col III gels in comparison to HA-Col I or HA-Col III hydrogels, suggesting that the former may better serve as a natural biomimetic hydrogel for tissue engineering applications. STATEMENT OF SIGNIFICANCE: Voice disorders affect about 1/3rd of the US population and significantly reduce quality of life. Patients with vocal fold fibrosis have few treatment options. Tissue engineering therapies provide a potential strategy to regenerate the native tissue microenvironment in order to restore vocal fold functionality. Various studies have used collagen or thiolated hyaluronan (HA) with gelatin as potential tissue engineering therapies. However, there is room for improvement in providing cells with more relevant biological cues that mimic the native tissue microenvironment and sustain regeneration. The present study introduces the use of type I collagen and type III collagen along with thiolated HA as a natural biomimetic hydrogel for vocal fold tissue engineering applications.
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Affiliation(s)
- Tanaya Walimbe
- Weldon School of Biomedical Engineering, Purdue University, United States
| | - Sarah Calve
- Weldon School of Biomedical Engineering, Purdue University, United States
| | - Alyssa Panitch
- Department of Biomedical Engineering, University of California, Davis, United States.
| | - M Preeti Sivasankar
- Weldon School of Biomedical Engineering, Purdue University, United States; Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, IN, United States
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118
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Aronoff MR, Egli J, Menichelli M, Wennemers H. γ‐Azaproline Confers pH Responsiveness and Functionalizability on Collagen Triple Helices. Angew Chem Int Ed Engl 2019; 58:3143-3146. [DOI: 10.1002/anie.201813048] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/08/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Matthew R. Aronoff
- Laboratory of Organic ChemistryETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | - Jasmine Egli
- Laboratory of Organic ChemistryETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | | | - Helma Wennemers
- Laboratory of Organic ChemistryETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
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119
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Trujillo-de Santiago G, Sharifi R, Yue K, Sani ES, Kashaf SS, Alvarez MM, Leijten J, Khademhosseini A, Dana R, Annabi N. Ocular adhesives: Design, chemistry, crosslinking mechanisms, and applications. Biomaterials 2019; 197:345-367. [PMID: 30690421 PMCID: PMC6687460 DOI: 10.1016/j.biomaterials.2019.01.011] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 12/16/2018] [Accepted: 01/05/2019] [Indexed: 12/12/2022]
Abstract
Closure of ocular wounds after an accident or surgery is typically performed by suturing, which is associated with numerous potential complications, including suture breakage, inflammation, secondary neovascularization, erosion to the surface and secondary infection, and astigmatism; for example, more than half of post-corneal transplant infections are due to suture related complications. Tissue adhesives provide promising substitutes for sutures in ophthalmic surgery. Ocular adhesives are not only intended to address the shortcomings of sutures, but also designed to be easy to use, and can potentially minimize post-operative complications. Herein, recent progress in the design, synthesis, and application of ocular adhesives, along with their advantages, limitations, and potential are discussed. This review covers two main classes of ocular adhesives: (1) synthetic adhesives based on cyanoacrylates, polyethylene glycol (PEG), and other synthetic polymers, and (2) adhesives based on naturally derived polymers, such as proteins and polysaccharides. In addition, different technologies to cover and protect ocular wounds such as contact bandage lenses, contact lenses coupled with novel technologies, and decellularized corneas are discussed. Continued advances in this area can help improve both patient satisfaction and clinical outcomes.
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Affiliation(s)
- Grissel Trujillo-de Santiago
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA; Microsystems Technologies Laboratories, MIT, Cambridge, 02139, MA, USA; Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, NL 64849, Mexico
| | - Roholah Sharifi
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
| | - Kan Yue
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
| | - Ehsan Shrizaei Sani
- Chemical and Biomolecular Engineering Department, University of California - Los Angeles, Los Angeles, CA 90095, USA
| | - Sara Saheb Kashaf
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA
| | - Mario Moisés Alvarez
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA; Microsystems Technologies Laboratories, MIT, Cambridge, 02139, MA, USA; Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, NL 64849, Mexico
| | - Jeroen Leijten
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA; Department of Developmental BioEngineering, Faculty of Science and Technology, Technical Medicine, University of Twente, Drienerlolaan 5, 7522 NB, Enschede, The Netherlands
| | - Ali Khademhosseini
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA; Chemical and Biomolecular Engineering Department, University of California - Los Angeles, Los Angeles, CA 90095, USA; Department of Bioengineering, University of California - Los Angeles, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, CA 90095, USA; Department of Radiology, David Geffen School of Medicine, University of California - Los Angeles, 10833 Le Conte Ave, Los Angeles, CA 90095, USA
| | - Reza Dana
- Massachusetts Eye and Ear Infirmary and Schepens Eye Research Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA 02114, USA
| | - Nasim Annabi
- Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge 02139, MA, USA; Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston 02139, MA, USA; Chemical and Biomolecular Engineering Department, University of California - Los Angeles, Los Angeles, CA 90095, USA; Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, CA 90095, USA.
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Prhashanna A, Taylor PA, Qin J, Kiick KL, Jayaraman A. Effect of Peptide Sequence on the LCST-Like Transition of Elastin-Like Peptides and Elastin-Like Peptide–Collagen-Like Peptide Conjugates: Simulations and Experiments. Biomacromolecules 2019; 20:1178-1189. [DOI: 10.1021/acs.biomac.8b01503] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Aronoff MR, Egli J, Menichelli M, Wennemers H. γ‐Azaproline Confers pH Responsiveness and Functionalizability on Collagen Triple Helices. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Matthew R. Aronoff
- Laboratory of Organic ChemistryETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | - Jasmine Egli
- Laboratory of Organic ChemistryETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | | | - Helma Wennemers
- Laboratory of Organic ChemistryETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
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122
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Mayorova A, Sysuev B, Kchanaliyeva I, Tretyakova E, Evseeva S, Sokolova-Merkurieva A. Investigation of the bischofite gel reparative effect on the linear wound model. RESEARCH RESULTS IN PHARMACOLOGY 2018. [DOI: 10.3897/rrpharmacology.4.30697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Introduction. The currently available information on the bischofite mineral pharmacodynamics makes it possible to assume that bischofite-based gels have wound-healing properties.
Materials and methods. Experiments were performed on 36 male rats. Using a blade, a linear wound of 50 mm long was modeled. Animals were divided into 4 groups: 1) Control; 2) Bishofit (500 mg of gel with bischofite on the wound area for 7 days); 3) Actovegine (500 mg of Actovegine gel on the wound area for 7 days); 4) Contractubex (500 mg of contractubex gel on the wound area for 7 days). The wound healing effect of the drugs was evaluated through studying the physicomechanical properties, assessing the morphological picture, determining the concentration of hydroxyproline (HP) and calculating the ratio of types I and III collagen.
Results. The strongest healing effect on the wound defect, significantly greater than that in the control (p<0.01), was obtained in the group that received bischofite gel (13.70±0.76 N). Actovegine also demonstrated a positive reparative effect (12.60±0.63 N, p<0.05). Significantly lower (p<0.01) healing effect than in the control group was obtained in the group of animals that had received contractubex (9.65±0.59 N). In the calorimetric analysis, it was found that the highest concentration of HP was in the tissues of wound defects in animals treated with contractubex; however, there was no statistically significant difference with the control group. Significantly lower in comparison with the control (p<0.05) concentration of HP, was found in tissues of simulated wounds in animals treated with bischofite gel (79.7% of the control). When assessing the ratio of types I and III collagen in the tissues of the wound defect, when stained with picrosirius red, it was found that by the number of mature collagen fibers, the studied groups can be arranged in the following descending order: Bishofite> Actovegine> Control> Contractubex. A similar trend is demonstrated by the morphological picture of tissues in the area of the wound defect.
Conclusion. The study showed that the best results were obtained with external use of bischofite gel. Actovegine has a less significant, but quite pronounced reparative, effect on this model. The least satisfactory results were obtained when applying contractubex.
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123
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Qiu Y, Poppleton E, Mekkat A, Yu H, Banerjee S, Wiley SE, Dixon JE, Kaplan DL, Lin YS, Brodsky B. Enzymatic Phosphorylation of Ser in a Type I Collagen Peptide. Biophys J 2018; 115:2327-2335. [PMID: 30527445 DOI: 10.1016/j.bpj.2018.11.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 10/12/2018] [Accepted: 11/08/2018] [Indexed: 01/13/2023] Open
Abstract
Phosphoproteomics studies have reported phosphorylation at multiple sites within collagen, raising the possibility that these post-translational modifications regulate the physical or biological properties of collagen. In this study, molecular dynamics simulations and experimental studies were carried out on model peptides to establish foundational principles of phosphorylation of Ser residues in collagen. A (Gly-Xaa-Yaa)11 peptide was designed to include a Ser-containing sequence from type I collagen that was reported to be phosphorylated. The physiological kinase involved in collagen phosphorylation is not known. In vitro studies showed that a model kinase ERK1 (extracellular signal-regulated protein kinase 1) would phosphorylate Ser within the consensus sequence if the collagen-like peptide is in the denatured state but not in the triple-helical state. The peptide was not a substrate for FAM20C, a kinase present in the secretory pathway, which has been shown to phosphorylate many extracellular matrix proteins. The unfolded single chain (Gly-Xaa-Yaa)11 peptide containing phosphoSer was able to refold to form a stable triple helix but at a reduced folding rate and with a small decrease in thermal stability relative to the nonphosphorylated peptide at neutral pH. These biophysical studies on model peptides provide a basis for investigations into the physiological consequences of collagen phosphorylation and the application of phosphorylation to regulate the properties of collagen biomaterials.
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Affiliation(s)
- Yimin Qiu
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts
| | - Erik Poppleton
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts
| | - Arya Mekkat
- Department of Chemistry, Tufts University, Medford, Massachusetts
| | - Hongtao Yu
- Department of Chemistry, Tufts University, Medford, Massachusetts
| | - Sourav Banerjee
- Department of Pharmacology, University of California, San Diego, La Jolla, California
| | - Sandra E Wiley
- Department of Pharmacology, University of California, San Diego, La Jolla, California
| | - Jack E Dixon
- Department of Pharmacology, University of California, San Diego, La Jolla, California
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts.
| | - Yu-Shan Lin
- Department of Chemistry, Tufts University, Medford, Massachusetts
| | - Barbara Brodsky
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts.
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124
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Rezaei N, Lyons A, Forde NR. Environmentally Controlled Curvature of Single Collagen Proteins. Biophys J 2018; 115:1457-1469. [PMID: 30269884 PMCID: PMC6260212 DOI: 10.1016/j.bpj.2018.09.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 08/02/2018] [Accepted: 09/04/2018] [Indexed: 12/01/2022] Open
Abstract
The predominant structural protein in vertebrates is collagen, which plays a key role in extracellular matrix and connective tissue mechanics. Despite its prevalence and physical importance in biology, the mechanical properties of molecular collagen are far from established. The flexibility of its triple helix is unresolved, with descriptions from different experimental techniques ranging from flexible to semirigid. Furthermore, it is unknown how collagen type (homo- versus heterotrimeric) and source (tissue derived versus recombinant) influence flexibility. Using SmarTrace, a chain-tracing algorithm we devised, we performed statistical analysis of collagen conformations collected with atomic force microscopy to determine the protein's mechanical properties. Our results show that types I, II, and III collagens-the key fibrillar varieties-exhibit similar molecular flexibilities. However, collagen conformations are strongly modulated by salt, transitioning from compact to extended as KCl concentration increases in both neutral and acidic pH. Although analysis with a standard worm-like chain model suggests that the persistence length of collagen can attain a wide range of values within the literature range, closer inspection reveals that this modulation of collagen's conformational behavior is not due to changes in flexibility but rather arises from the induction of curvature (either intrinsic or induced by interactions with the mica surface). By modifying standard polymer theory to include innate curvature, we show that collagen behaves as an equilibrated curved worm-like chain in two dimensions. Analysis within the curved worm-like chain model shows that collagen's curvature depends strongly on pH and salt, whereas its persistence length does not. Thus, we find that triple-helical collagen is well described as semiflexible irrespective of source, type, pH, and salt environment. These results demonstrate that collagen is more flexible than its conventional description as a rigid rod, which may have implications for its cellular processing and secretion.
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Affiliation(s)
- Nagmeh Rezaei
- Department of Physics, Simon Fraser University, Burnaby, Canada
| | - Aaron Lyons
- Department of Physics, Simon Fraser University, Burnaby, Canada
| | - Nancy R Forde
- Department of Physics, Simon Fraser University, Burnaby, Canada.
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125
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Hydration dynamics of collagen in aqueous buffer solution as studied by time domain dielectric spectroscopy. Int J Biol Macromol 2018; 118:1811-1816. [DOI: 10.1016/j.ijbiomac.2018.07.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 06/27/2018] [Accepted: 07/06/2018] [Indexed: 11/24/2022]
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126
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Morphology and structure of ZIF-8 during crystallisation measured by dynamic angle-resolved second harmonic scattering. Nat Commun 2018; 9:3418. [PMID: 30143611 PMCID: PMC6109061 DOI: 10.1038/s41467-018-05713-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 07/03/2018] [Indexed: 11/19/2022] Open
Abstract
Recent developments in nonlinear optical light scattering techniques have opened a window into morphological and structural characteristics for a variety of supramolecular systems. However, for the study of dynamic processes, the current way of measuring is often too slow. Here we present an alternative measurement scheme suitable for following dynamic processes. Fast acquisition times are achieved through Fourier imaging, allowing simultaneous detection at multiple scattering angles for different polarization combinations. This allows us to follow the crystal growth of the metal organic framework ZIF-8 in solution. The angle dependence of the signal provides insight into the growth mechanism by probing the evolution of size, shape and concentration, while polarization analysis yields structural information in terms of point group symmetry. Our findings highlight the potential of dynamic angle-resolved harmonic light scattering to probe crystal growth processes, assembly–disassembly of biological systems, adsorption, transport through membranes and myriad other applications. Angle-resolved monitoring of structure parameters during crystal growth is often slow owing to mechanical movements. Here, the authors use second harmonic scattering and Fourier-plane imaging to dynamically monitor size, shape and concentration of ZIF-8 in situ during the growth process.
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127
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Mekkat A, Poppleton E, An B, Visse R, Nagase H, Kaplan DL, Brodsky B, Lin YS. Effects of flexibility of the α2 chain of type I collagen on collagenase cleavage. J Struct Biol 2018; 203:247-254. [PMID: 29763735 DOI: 10.1016/j.jsb.2018.05.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 05/02/2018] [Accepted: 05/04/2018] [Indexed: 11/18/2022]
Abstract
Cleavage of collagen by collagenases such as matrix metalloproteinase 1 (MMP-1) is a key step in development, tissue remodeling, and tumor proliferation. The abundant heterotrimeric type I collagen composed of two α1(I) chains and one α2(I) chain is efficiently cleaved by MMP-1 at a unique site in the triple helix, a process which may be initiated by local unfolding within the peptide chains. Atypical homotrimers of the α1(I) chain, found in embryonic and cancer tissues, are very resistant to MMP cleavage. To investigate MMP-1 cleavage, recombinant homotrimers were constructed with sequences from the MMP cleavage regions of human collagen chains inserted into a host bacterial collagen protein system. All triple-helical constructs were cleaved by MMP-1, with α2(I) homotrimers cleaved efficiently at a rate similar to that seen for α1(II) and α1(III) homotrimers, while α1(I) homotrimers were cleaved at a much slower rate. The introduction of destabilizing Gly to Ser mutations within the human collagenase susceptible region of the α2(I) chain did not interfere with MMP-1 cleavage. Molecular dynamics simulations indicated a greater degree of transient hydrogen bond breaking in α2(I) homotrimers compared with α1(I) homotrimers at the MMP-1 cleavage site, and showed an extensive disruption of hydrogen bonding in the presence of a Gly to Ser mutation, consistent with chymotrypsin digestion results. This study indicates that α2(I) homotrimers are susceptible to MMP-1, proves that the presence of an α1(I) chain is not a requirement for α2(I) cleavage, and supports the importance of local unfolding of α2(I) in collagenase cleavage.
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Affiliation(s)
- Arya Mekkat
- Department of Chemistry, Tufts University, Medford, MA, USA
| | - Erik Poppleton
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Bo An
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Robert Visse
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Hideaki Nagase
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Barbara Brodsky
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA.
| | - Yu-Shan Lin
- Department of Chemistry, Tufts University, Medford, MA, USA.
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128
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Bersini S, Gilardi M, Mora M, Krol S, Arrigoni C, Candrian C, Zanotti S, Moretti M. Tackling muscle fibrosis: From molecular mechanisms to next generation engineered models to predict drug delivery. Adv Drug Deliv Rev 2018. [PMID: 29518415 DOI: 10.1016/j.addr.2018.02.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Muscle fibrosis represents the end stage consequence of different diseases, among which muscular dystrophies, leading to severe impairment of muscle functions. Muscle fibrosis involves the production of several growth factors, cytokines and proteolytic enzymes and is strictly associated to inflammatory processes. Moreover, fibrosis causes profound changes in tissue properties, including increased stiffness and density, lower pH and oxygenation. Up to now, there is no therapeutic approach able to counteract the fibrotic process and treatments directed against muscle pathologies are severely impaired by the harsh conditions of the fibrotic environment. The design of new therapeutics thus need innovative tools mimicking the obstacles posed by the fibrotic environment to their delivery. This review will critically discuss the role of in vivo and 3D in vitro models in this context and the characteristics that an ideal model should possess to help the translation from bench to bedside of new candidate anti-fibrotic agents.
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129
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Wells HC, Sizeland KH, Kirby N, Hawley A, Mudie S, Haverkamp RG. Acellular dermal matrix collagen responds to strain by intermolecular spacing contraction with fibril extension and rearrangement. J Mech Behav Biomed Mater 2018; 79:1-8. [DOI: 10.1016/j.jmbbm.2017.12.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/28/2017] [Accepted: 12/06/2017] [Indexed: 11/30/2022]
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130
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An experimental toolbox for characterization of mammalian collagen type I in biological specimens. Nat Protoc 2018; 13:507-529. [PMID: 29446773 DOI: 10.1038/nprot.2017.117] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Collagen type I is the most abundant extracellular matrix protein, and collagen type I supramolecular assemblies (e.g., tissue grafts, biomaterials and cell-assembled systems) are used extensively in tissue engineering and regenerative medicine. Many studies, for convenience or economic reasons, do not accurately determine collagen type I purity, concentration, solubility and extent of cross-linking in biological specimens, frequently resulting in erroneous conclusions. In this protocol, we describe solubility; normal, reduced and delayed (interrupted) SDS-PAGE; hydroxyproline; Sircol collagen and Pierce BCA protein; denaturation temperature; ninhydrin/trinitrobenzene sulfonic acid; and collagenase assays and assess them in a diverse range of biological samples (e.g., tissue samples; purified solutions or lyophilized materials; 3D scaffolds, such as sponges and hydrogels; and cell media and layers). Collectively, the described protocols provide a comprehensive, yet fast and readily implemented, toolbox for collagen type I characterization in any biological specimen.
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131
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Condon JE, Jayaraman A. Development of a Coarse-Grained Model of Collagen-Like Peptide (CLP) for Studies of CLP Triple Helix Melting. J Phys Chem B 2018; 122:1929-1939. [DOI: 10.1021/acs.jpcb.7b10916] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Joshua E. Condon
- Colburn
Laboratory, Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark Delaware 19716, United States
| | - Arthi Jayaraman
- Colburn
Laboratory, Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark Delaware 19716, United States
- Department
of Materials Science and Engineering, University of Delaware, 201 Dupont
Hall, Newark Delaware 19716, United States
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132
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Zhu S, Yuan Q, Yin T, You J, Gu Z, Xiong S, Hu Y. Self-assembly of collagen-based biomaterials: preparation, characterizations and biomedical applications. J Mater Chem B 2018; 6:2650-2676. [DOI: 10.1039/c7tb02999c] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
By combining regulatory parameters with characterization methods, researchers can selectively fabricate collagenous biomaterials with various functional responses for biomedical applications.
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Affiliation(s)
- Shichen Zhu
- College of Food Science and Technology and MOE Key Laboratory of Environment Correlative Dietology
- Huazhong Agricultural University
- Wuhan 430070
- P. R. China
- Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province
| | - Qijuan Yuan
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument
- School of Engineering
- Sun Yat-sen University
- Guangzhou 510006
- P. R. China
| | - Tao Yin
- College of Food Science and Technology and MOE Key Laboratory of Environment Correlative Dietology
- Huazhong Agricultural University
- Wuhan 430070
- P. R. China
| | - Juan You
- College of Food Science and Technology and MOE Key Laboratory of Environment Correlative Dietology
- Huazhong Agricultural University
- Wuhan 430070
- P. R. China
| | - Zhipeng Gu
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument
- School of Engineering
- Sun Yat-sen University
- Guangzhou 510006
- P. R. China
| | - Shanbai Xiong
- College of Food Science and Technology and MOE Key Laboratory of Environment Correlative Dietology
- Huazhong Agricultural University
- Wuhan 430070
- P. R. China
- Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province
| | - Yang Hu
- College of Food Science and Technology and MOE Key Laboratory of Environment Correlative Dietology
- Huazhong Agricultural University
- Wuhan 430070
- P. R. China
- Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province
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133
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Holmes DF, Lu Y, Starborg T, Kadler KE. Collagen Fibril Assembly and Function. Curr Top Dev Biol 2018; 130:107-142. [DOI: 10.1016/bs.ctdb.2018.02.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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134
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Abstract
The extracellular matrix (ECM) provides the environment for many cells types within the body and, in addition to the well recognised role as a structural support, influences many important cell process within the body. As a result, age-related changes to the proteins of the ECM have far reaching consequences with the potential to disrupt many different aspects of homeostasis and healthy function. The proteins collagen and elastin are the most abundant in the ECM and their ability to function as a structural support and provide mechanical stability results from the formation of supra-molecular structures. Collagen and elastin have a long half-life, as required by their structural role, which leaves them vulnerable to a range of post-translational modifications. In this chapter the role of the ECM is discussed and the component proteins introduced. Major age-related modifications including glycation, carbamylation and fragmentation and the impact these have on ECM function are reviewed.
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135
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Delgado LM, Shologu N, Fuller K, Zeugolis DI. Acetic acid and pepsin result in high yield, high purity and low macrophage response collagen for biomedical applications. ACTA ACUST UNITED AC 2017; 12:065009. [PMID: 28767045 DOI: 10.1088/1748-605x/aa838d] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Collagen based devices are frequently associated with foreign body response. Although several pre- (e.g. species, state of animal, tissue) and post- (e.g. cross-linking, scaffold architecture) extraction method factors have a profound effect on foreign body response, little is known about which and how during the extraction process factors mediate foreign body response. In this study, we assessed the influence of acetic acid and hydrochloric acid and the utilisation or not of pepsin or salt precipitation during collagen extraction on the yield, purity, free amines, denaturation temperature, resistance to collagenase degradation and macrophage response. Acetic acid/pepsin extracted collagen exhibited the highest yield, purity and free amine content and the lowest denaturation temperature. No differences in resistance to collagenase digestion were detected between the groups. Although all treatments exhibited similar macrophage morphology comprised of round cells (M1 phenotype), elongated cells (M2 phenotype) and cell aggregates (foreign body response), significantly more elongated cells were observed on HC films. Although no differences in metabolic activity were observed between the groups, the DNA concentration was significantly lower for the hydrochloric acid treatments. Further, cytokine analysis revealed that hydrochloric acid treatments induced significantly higher IL-1β and TNF-α release with respect to acetic acid treatments. Salt precipitation did not influence the parameters assessed. Collectively, these data suggest that during the collagen extraction process variables should also be monitored as, evidently, they affect the physicochemical and biological properties of collagen preparations.
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Affiliation(s)
- Luis M Delgado
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland. Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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136
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DSC investigation of bovine hide collagen at varying degrees of crosslinking and humidities. Int J Biol Macromol 2017; 103:120-128. [DOI: 10.1016/j.ijbiomac.2017.04.124] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 04/14/2017] [Accepted: 04/14/2017] [Indexed: 11/18/2022]
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137
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Li P, Wu G. Roles of dietary glycine, proline, and hydroxyproline in collagen synthesis and animal growth. Amino Acids 2017; 50:29-38. [PMID: 28929384 DOI: 10.1007/s00726-017-2490-6] [Citation(s) in RCA: 255] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Accepted: 09/11/2017] [Indexed: 12/15/2022]
Abstract
Glycine, proline, and hydroxyproline (Hyp) contribute to 57% of total amino acids (AAs) in collagen, which accounts for one-third of proteins in animals. As the most abundant protein in the body, collagen is essential to maintain the normal structure and strength of connective tissue, such as bones, skin, cartilage, and blood vessels. Mammals, birds, and fish can synthesize: (1) glycine from threonine, serine, choline, and Hyp; (2) proline from arginine; and (3) Hyp from proline residues in collagen, in a cell- and tissue-specific manner. In addition, livestock (e.g., pigs, cattle, and sheep) produces proline from glutamine and glutamate in the small intestine, but this pathway is absent from birds and possibly most fish species. Results of the recent studies indicate that endogenous synthesis of glycine, proline, and Hyp is inadequate for maximal growth, collagen production, or feed efficiency in pigs, chickens, and fish. Although glycine, proline and Hyp, and gelatin can be used as feed additives in animal diets, these ingredients except for glycine are relatively expensive, which precludes their inclusion in practical rations. Alternatively, hydrolyzed feather meal (HFM), which contains 9% glycine, 5% Hyp, and 12% proline, holds great promise as a low cost but abundant dietary source of glycine, Hyp, and proline for ruminants and nonruminants. Because HFM is deficient in most AAs, future research efforts should be directed at improving the bioavailability of its AAs and the balance of AAs in HFM-supplemented diets. Finally, HFM may be used as a feed additive to prevent or ameliorate connective tissue disorders in domestic and aquatic animals.
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Affiliation(s)
- Peng Li
- National Renderers Association, Alexandria, VA, 22314, USA
| | - Guoyao Wu
- Department of Animal Science, Texas A&M University, College Station, TX, 77843-2471, USA.
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138
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Wells HC, Sizeland KH, Kelly SJ, Kirby N, Hawley A, Mudie S, Haverkamp RG. Collagen Fibril Intermolecular Spacing Changes with 2-Propanol: A Mechanism for Tissue Stiffness. ACS Biomater Sci Eng 2017; 3:2524-2532. [DOI: 10.1021/acsbiomaterials.7b00418] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hannah C. Wells
- School
of Engineering and Advanced Technology, Massey University, Private Bag
11222, Palmerston North 4442, New Zealand
| | - Katie H. Sizeland
- School
of Engineering and Advanced Technology, Massey University, Private Bag
11222, Palmerston North 4442, New Zealand
- Australian Synchrotron, 800 Blackburn
Road, Clayton, Melbourne, Victoria 3168, Australia
| | - Susyn J.R. Kelly
- School
of Engineering and Advanced Technology, Massey University, Private Bag
11222, Palmerston North 4442, New Zealand
| | - Nigel Kirby
- Australian Synchrotron, 800 Blackburn
Road, Clayton, Melbourne, Victoria 3168, Australia
| | - Adrian Hawley
- Australian Synchrotron, 800 Blackburn
Road, Clayton, Melbourne, Victoria 3168, Australia
| | - Stephen Mudie
- Australian Synchrotron, 800 Blackburn
Road, Clayton, Melbourne, Victoria 3168, Australia
| | - Richard G. Haverkamp
- School
of Engineering and Advanced Technology, Massey University, Private Bag
11222, Palmerston North 4442, New Zealand
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139
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Hentzen NB, Smeenk LEJ, Witek J, Riniker S, Wennemers H. Cross-Linked Collagen Triple Helices by Oxime Ligation. J Am Chem Soc 2017; 139:12815-12820. [PMID: 28872857 DOI: 10.1021/jacs.7b07498] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Covalent cross-links are crucial for the folding and stability of triple-helical collagen, the most abundant protein in nature. Cross-linking is also an attractive strategy for the development of synthetic collagen-based biocompatible materials. Nature uses interchain disulfide bridges to stabilize collagen trimers. However, their implementation into synthetic collagen is difficult and requires the replacement of the canonical amino acids (4R)-hydroxyproline and proline by cysteine or homocysteine, which reduces the preorganization and thereby stability of collagen triple helices. We therefore explored alternative covalent cross-links that allow for connecting triple-helical collagen via proline residues. Here, we present collagen model peptides that are cross-linked by oxime bonds between 4-aminooxyproline (Aop) and 4-oxoacetamidoproline placed in coplanar Xaa and Yaa positions of neighboring strands. The covalently connected strands folded into hyperstable collagen triple helices (Tm ≈ 80 °C). The design of the cross-links was guided by an analysis of the conformational properties of Aop, studies on the stability and functionalization of Aop-containing collagen triple helices, and molecular dynamics simulations. The studies also show that the aminooxy group exerts a stereoelectronic effect comparable to fluorine and introduce oxime ligation as a tool for the functionalization of synthetic collagen.
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Affiliation(s)
- Nina B Hentzen
- Laboratorium für Organische Chemie, ETH Zürich , D-CHAB, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Linde E J Smeenk
- Laboratorium für Organische Chemie, ETH Zürich , D-CHAB, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Jagna Witek
- Laboratorium für Physikalische Chemie, ETH Zürich , D-CHAB, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Sereina Riniker
- Laboratorium für Physikalische Chemie, ETH Zürich , D-CHAB, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland
| | - Helma Wennemers
- Laboratorium für Organische Chemie, ETH Zürich , D-CHAB, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
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140
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Hong H, Chaplot S, Chalamaiah M, Roy BC, Bruce HL, Wu J. Removing Cross-Linked Telopeptides Enhances the Production of Low-Molecular-Weight Collagen Peptides from Spent Hens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:7491-7499. [PMID: 28745049 DOI: 10.1021/acs.jafc.7b02319] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The low-molecular-weight (LMW) peptides derived from collagen have shown a potential for various nutritional and pharmaceutical applications. However, production of LMW peptides from vertebrate collagen remains a challenge. Herein, we report a new method to produce LMW collagen peptides using pepsin pretreatment that removed cross-linked telopeptides in collagen molecules. After the pretreatment, the proportion of LMW collagen peptides (<1.4 kDa) that were obtained from pepsin-soluble collagen increased to 32.59% compared to heat-soluble collagen peptides (16.10%). Fourier transform infrared spectroscopy results indicated that telopeptide cleavage retained the triple-helical conformation of collagen. Liquid chromatography-tandem mass spectrometry analysis suggested that Gly-X-Y (X is often proline, while Y is either hydroxyproline or hydroxylysine) repeats were not the main factors that hindered the enzymatic hydrolysis of collagen molecules. However, cross-link quantification demonstrated that trivalent cross-links that included pyridinolines and pyrroles were the primary obstacles to producing small peptides from collagen of spent hens. This study demonstrated for the first time that removing cross-linked telopeptides could enhance the production of LMW peptides from spent hen collagen, which is also of interest to manufacturers who produce LMW collagen peptides from other vertebrate animals, such as bovids and porcids.
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Affiliation(s)
- Hui Hong
- Department of Agricultural, Food and Nutritional Science, University of Alberta , Edmonton, Alberta T6G 2P5, Canada
| | - Shreyak Chaplot
- Department of Agricultural, Food and Nutritional Science, University of Alberta , Edmonton, Alberta T6G 2P5, Canada
| | - Meram Chalamaiah
- Department of Agricultural, Food and Nutritional Science, University of Alberta , Edmonton, Alberta T6G 2P5, Canada
| | - Bimol C Roy
- Department of Agricultural, Food and Nutritional Science, University of Alberta , Edmonton, Alberta T6G 2P5, Canada
| | - Heather L Bruce
- Department of Agricultural, Food and Nutritional Science, University of Alberta , Edmonton, Alberta T6G 2P5, Canada
| | - Jianping Wu
- Department of Agricultural, Food and Nutritional Science, University of Alberta , Edmonton, Alberta T6G 2P5, Canada
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141
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Kasznel AJ, Zhang Y, Hai Y, Chenoweth DM. Structural Basis for Aza-Glycine Stabilization of Collagen. J Am Chem Soc 2017. [DOI: 10.1021/jacs.7b03398] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Alexander J. Kasznel
- Department of Chemistry and ‡Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Yitao Zhang
- Department of Chemistry and ‡Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Yang Hai
- Department of Chemistry and ‡Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - David M. Chenoweth
- Department of Chemistry and ‡Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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142
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Non-linearity of the collagen triple helix in solution and implications for collagen function. Biochem J 2017; 474:2203-2217. [PMID: 28533266 PMCID: PMC5632799 DOI: 10.1042/bcj20170217] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/18/2017] [Accepted: 05/22/2017] [Indexed: 12/29/2022]
Abstract
Collagen adopts a characteristic supercoiled triple helical conformation which requires a repeating (Xaa-Yaa-Gly)n sequence. Despite the abundance of collagen, a combined experimental and atomistic modelling approach has not so far quantitated the degree of flexibility seen experimentally in the solution structures of collagen triple helices. To address this question, we report an experimental study on the flexibility of varying lengths of collagen triple helical peptides, composed of six, eight, ten and twelve repeats of the most stable Pro-Hyp-Gly (POG) units. In addition, one unblocked peptide, (POG)10unblocked, was compared with the blocked (POG)10 as a control for the significance of end effects. Complementary analytical ultracentrifugation and synchrotron small angle X-ray scattering data showed that the conformations of the longer triple helical peptides were not well explained by a linear structure derived from crystallography. To interpret these data, molecular dynamics simulations were used to generate 50 000 physically realistic collagen structures for each of the helices. These structures were fitted against their respective scattering data to reveal the best fitting structures from this large ensemble of possible helix structures. This curve fitting confirmed a small degree of non-linearity to exist in these best fit triple helices, with the degree of bending approximated as 4–17° from linearity. Our results open the way for further studies of other collagen triple helices with different sequences and stabilities in order to clarify the role of molecular rigidity and flexibility in collagen extracellular and immune function and disease.
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143
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Qing S, Tulake W, Ru M, Li X, Yuemaier R, Lidifu D, Rouzibilali A, Hasimu A, Yang Y, Rouziahong R, Upur H, Abudula A. Proteomic identification of potential biomarkers for cervical squamous cell carcinoma and human papillomavirus infection. Tumour Biol 2017; 39:1010428317697547. [PMID: 28443473 DOI: 10.1177/1010428317697547] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
It is known that high-risk human papillomavirus infection is the main etiological factor in cervical carcinogenesis. However, human papillomavirus screening is not sufficient for early diagnosis. In this study, we aimed to identify potential biomarkers common to cervical carcinoma and human papillomavirus infection by proteomics for human papillomavirus-based early diagnosis and prognosis. To this end, we collected 76 cases of fresh cervical tissues and 116 cases of paraffin-embedded tissue slices, diagnosed as cervical squamous cell carcinoma, cervical intraepithelial neoplasia II-III, or normal cervix from ethnic Uighur and Han women. Human papillomavirus infection by eight oncogenic human papillomavirus types was detected in tissue DNA samples using a quantitative polymerase chain reaction. The protein profile of cervical specimens from human papillomavirus 16-positive squamous cell carcinoma and human papillomavirus-negative normal controls was analyzed by proteomics and bioinformatics. The expression of candidate proteins was further determined by quantitative reverse transcriptase-polymerase chain reaction and immunohistochemistry. We identified 67 proteins that were differentially expressed in human papillomavirus 16-positive squamous cell carcinoma compared to normal cervix. The quantitative reverse transcriptase-polymerase chain reaction analysis verified the upregulation of ASAH1, PCBP2, DDX5, MCM5, TAGLN2, hnRNPA1, ENO1, TYPH, CYC, and MCM4 in squamous cell carcinoma compared to normal cervix ( p < 0.05). In addition, the transcription of PCBP2, MCM5, hnRNPA1, TYPH, and CYC was also significantly increased in cervical intraepithelial neoplasia II-III compared to normal cervix. Immunohistochemistry staining further confirmed the overexpression of PCBP2, hnRNPA1, ASAH1, and DDX5 in squamous cell carcinoma and cervical intraepithelial neoplasia II-III compared to normal controls ( p < 0.05). Our data suggest that the expression of ASAH1, PCBP2, DDX5, and hnRNPA1, and possibly MCM4, MCM5, CYC, ENO1, and TYPH, is upregulated during cervical carcinogenesis and potentially associated with human papillomavirus infection. Further validation studies of the profile will contribute to establishing auxiliary diagnostic markers for human papillomavirus-based cancer prognosis.
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Affiliation(s)
- Song Qing
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China.,2 Department of Pathology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, P.R. China
| | - Wuniqiemu Tulake
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Mingfang Ru
- 3 Department of Gynecology, The Third Affiliated Hospital of Xinjiang Medical University, Urumqi, P.R. China
| | - Xiaohong Li
- 4 Department of Gynecology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, P.R. China
| | - Reziwanguli Yuemaier
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Dilare Lidifu
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Aierken Rouzibilali
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Axiangu Hasimu
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Yun Yang
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Reziya Rouziahong
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Halmurat Upur
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
| | - Abulizi Abudula
- 1 Key Laboratory of Chinese Ministry of Education and Xinjiang Uighur Autonomous Region for High-Incident Diseases in Uighur Ethnic Population, Xinjiang Medical University, Urumqi, P.R. China
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144
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The emerging role of ECM crosslinking in T cell mobility as a hallmark of immunosenescence in humans. Ageing Res Rev 2017; 35:322-335. [PMID: 27876574 DOI: 10.1016/j.arr.2016.11.005] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 10/26/2016] [Accepted: 11/07/2016] [Indexed: 02/07/2023]
Abstract
Immunosenescence is thought to result from cellular aging and to reflect exposure to environmental stressors and antigens, including cytomegalovirus (CMV). However, not all of the features of immunosenescence are consistent with this view, and this has led to the emergence of the sister theory of "inflammaging". The recently discovered diffuse tissue distribution of resident memory T cells (TRM) which don't recirculate, calls these theories into question. These cells account for most T cells residing in barrier epithelia which sit in and travel through the extracellular matrix (ECM). With almost all studies to date carried out on peripheral blood, the age-related changes of the ECM and their consequences for T cell mobility, which is crucial for the function of these cells, have been largely ignored. We propose an update of the theoretical framework of immunosenescence, based on a novel hypothesis: the increasing stiffness and cross-linking of the senescent ECM lead to a progressive immunodeficiency due to an age-related decrease in T cell mobility and eventually the death of these cells. A key element of this mechanism is the mechanical stress to which the cell cytoplasm and nucleus are subjected during passage through the ECM. This hypothesis is based on an "evo-devo" perspective bringing together some major characteristics of aging, to create a single interpretive framework for immunosenescence.
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145
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Ishikawa Y, Mizuno K, Bächinger HP. Ziploc-ing the structure 2.0: Endoplasmic reticulum-resident peptidyl prolyl isomerases show different activities toward hydroxyproline. J Biol Chem 2017; 292:9273-9282. [PMID: 28385890 DOI: 10.1074/jbc.m116.772657] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/27/2017] [Indexed: 12/21/2022] Open
Abstract
Extracellular matrix proteins are biosynthesized in the rough endoplasmic reticulum (rER), and the triple-helical protein collagen is the most abundant extracellular matrix component in the human body. Many enzymes, molecular chaperones, and post-translational modifiers facilitate collagen biosynthesis. Collagen contains a large number of proline residues, so the cis/trans isomerization of proline peptide bonds is the rate-limiting step during triple-helix formation. Accordingly, the rER-resident peptidyl prolyl cis/trans isomerases (PPIases) play an important role in the zipper-like triple-helix formation in collagen. We previously described this process as "Ziploc-ing the structure" and now provide additional information on the activity of individual rER PPIases. We investigated the substrate preferences of these PPIases in vitro using type III collagen, the unhydroxylated quarter fragment of type III collagen, and synthetic peptides as substrates. We observed changes in activity of six rER-resident PPIases, cyclophilin B (encoded by the PPIB gene), FKBP13 (FKBP2), FKBP19 (FKBP11), FKBP22 (FKBP14), FKBP23 (FKBP7), and FKBP65 (FKBP10), due to posttranslational modifications of proline residues in the substrate. Cyclophilin B and FKBP13 exhibited much lower activity toward post-translationally modified substrates. In contrast, FKBP19, FKBP22, and FKBP65 showed increased activity toward hydroxyproline-containing peptide substrates. Moreover, FKBP22 showed a hydroxyproline-dependent effect by increasing the amount of refolded type III collagen in vitro and FKBP19 seems to interact with triple helical type I collagen. Therefore, we propose that hydroxyproline modulates the rate of Ziploc-ing of the triple helix of collagen in the rER.
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Affiliation(s)
- Yoshihiro Ishikawa
- From the Department of Biochemistry and Molecular Biology, Oregon Health & Science University and.,Research Department, Shriners Hospital for Children, Portland, Oregon 97239
| | - Kazunori Mizuno
- Research Department, Shriners Hospital for Children, Portland, Oregon 97239
| | - Hans Peter Bächinger
- From the Department of Biochemistry and Molecular Biology, Oregon Health & Science University and .,Research Department, Shriners Hospital for Children, Portland, Oregon 97239
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146
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Kawamata H, Kuwaki S, Mishina T, Ikoma T, Tanaka J, Nozaki R. Hierarchical viscosity of aqueous solution of tilapia scale collagen investigated via dielectric spectroscopy between 500 MHz and 2.5 THz. Sci Rep 2017; 7:45398. [PMID: 28345664 PMCID: PMC5366979 DOI: 10.1038/srep45398] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 02/23/2017] [Indexed: 11/24/2022] Open
Abstract
Aqueous solutions of biomolecules such as proteins are very important model systems for understanding the functions of biomolecules in actual life processes because interactions between biomolecules and the surrounding water molecules are considered to be important determinants of biomolecules’ functions. Globule proteins have been extensively studied via dielectric spectroscopy; the results indicate three relaxation processes originating from fluctuations in the protein molecule, the bound water and the bulk water. However, the characteristics of aqueous solutions of collagens have rarely been investigated. In this work, based on broadband dielectric measurements between 500 MHz and 2.5 THz, we demonstrate that the high viscosity of a collagen aqueous solution is due to the network structure being constructed of rod-like collagen molecules surrounding free water molecules and that the water molecules are not responsible for the viscosity. We determine that the macroscopic viscosity is related to the mean lifetime of the collagen-collagen interactions supporting the networks and that the local viscosity of the water surrounded by the networks is governed by the viscosity of free water as in the bulk. This hierarchical structure in the dynamics of the aqueous solution of biomolecules has been revealed for the first time.
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Affiliation(s)
- H Kawamata
- Department of Physics, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
| | - S Kuwaki
- Department of Physics, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
| | - T Mishina
- Department of Physics, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
| | - T Ikoma
- Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - J Tanaka
- Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Tokyo 152-8550, Japan
| | - R Nozaki
- Department of Physics, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
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147
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Walters CR, Szantai-Kis DM, Zhang Y, Reinert ZE, Horne WS, Chenoweth DM, Petersson EJ. The effects of thioamide backbone substitution on protein stability: a study in α-helical, β-sheet, and polyproline II helical contexts. Chem Sci 2017; 8:2868-2877. [PMID: 28553525 PMCID: PMC5428018 DOI: 10.1039/c6sc05580j] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 01/24/2017] [Indexed: 12/17/2022] Open
Abstract
Thioamides are single atom substitutions of the peptide bond that serve as versatile probes of protein structure. Effective use of thioamides requires a robust understanding of the impact that the substitution has on a protein of interest. However, the thermodynamic effects of thioamide incorporation have only been studied in small structural motifs, and their influence on secondary structure in the context of full-length proteins is not known. Here we describe a comprehensive survey of thioamide substitutions in three benchmark protein systems (calmodulin, the B1 domain of protein G, and collagen) featuring the most prevalent secondary structure motifs: α-helix, β-sheet, and polyproline type II helix. We find that in most cases, effects on thermostability can be understood in terms of the positioning and local environment of the thioamide relative to proximal structural elements and hydrogen bonding networks. These observations set the stage for the rational design of thioamide substituted proteins with predictable stabilities.
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Affiliation(s)
- Christopher R Walters
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA
| | - D Miklos Szantai-Kis
- Biochemistry and Molecular Biophysics Graduate Group , University of Pennsylvania , 3700 Hamilton Walk , Philadelphia , PA 19104 , USA
| | - Yitao Zhang
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA
| | - Zachary E Reinert
- Department of Chemistry , University of Pittsburgh , 219 Parkman Avenue , Pittsburgh , PA 15260 , USA
| | - W Seth Horne
- Department of Chemistry , University of Pittsburgh , 219 Parkman Avenue , Pittsburgh , PA 15260 , USA
| | - David M Chenoweth
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA
| | - E James Petersson
- Department of Chemistry , University of Pennsylvania , 231 S. 34th Street , Philadelphia , PA 19104 , USA
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148
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Kadler KE. Fell Muir Lecture: Collagen fibril formation in vitro and in vivo. Int J Exp Pathol 2017; 98:4-16. [PMID: 28508516 PMCID: PMC5447863 DOI: 10.1111/iep.12224] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Accepted: 01/21/2017] [Indexed: 12/29/2022] Open
Abstract
It is a great honour to be awarded the Fell Muir Prize for 2016 by the British Society of Matrix Biology. As recipient of the prize, I am taking the opportunity to write a minireview on collagen fibrillogenesis, which has been the focus of my research for 33 years. This is the process by which triple helical collagen molecules assemble into centimetre-long fibrils in the extracellular matrix of animals. The fibrils appeared a billion years ago at the dawn of multicellular animal life as the primary scaffold for tissue morphogenesis. The fibrils occur in exquisite three-dimensional architectures that match the physical demands of tissues, for example orthogonal lattices in cornea, basket weaves in skin and blood vessels, and parallel bundles in tendon, ligament and nerves. The question of how collagen fibrils are formed was posed at the end of the nineteenth century. Since then, we have learned about the structure of DNA and the peptide bond, understood how plants capture the sun's energy, cloned animals, discovered antibiotics and found ways of editing our genome in the pursuit of new cures for diseases. However, how cells generate tissues from collagen fibrils remains one of the big unsolved mysteries in biology. In this review, I will give a personal account of the topic and highlight some of the approaches that my research group are taking to find new insights.
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Affiliation(s)
- Karl E. Kadler
- Faculty of Biology, Medicine and HealthWellcome Trust Centre for Cell‐Matrix ResearchManchester Academic Health Science CentreUniversity of ManchesterManchesterUK
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149
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Martins CDO, Demarchi L, Ferreira FM, Pomerantzeff PMA, Brandao C, Sampaio RO, Spina GS, Kalil J, Cunha-Neto E, Guilherme L. Rheumatic Heart Disease and Myxomatous Degeneration: Differences and Similarities of Valve Damage Resulting from Autoimmune Reactions and Matrix Disorganization. PLoS One 2017; 12:e0170191. [PMID: 28121998 PMCID: PMC5266332 DOI: 10.1371/journal.pone.0170191] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/02/2017] [Indexed: 11/29/2022] Open
Abstract
Autoimmune inflammatory reactions leading to rheumatic fever (RF) and rheumatic heart disease (RHD) result from untreated Streptococcus pyogenes throat infections in individuals who exhibit genetic susceptibility. Immune effector mechanisms have been described that lead to heart tissue damage culminating in mitral and aortic valve dysfunctions. In myxomatous valve degeneration (MXD), the mitral valve is also damaged due to non-inflammatory mechanisms. Both diseases are characterized by structural valve disarray and a previous proteomic analysis of them has disclosed a distinct profile of matrix/structural proteins differentially expressed. Given their relevance in organizing valve tissue, we quantitatively evaluated the expression of vimentin, collagen VI, lumican, and vitronectin as well as performed immunohistochemical analysis of their distribution in valve tissue lesions of patients in both diseases. We identified abundant expression of two isoforms of vimentin (45 kDa, 42 kDa) with reduced expression of the full-size protein (54 kDa) in RHD valves. We also found increased vitronectin expression, reduced collagen VI expression and similar lumican expression between RHD and MXD valves. Immunohistochemical analysis indicated disrupted patterns of these proteins in myxomatous degeneration valves and disorganized distribution in rheumatic heart disease valves that correlated with clinical manifestations such as valve regurgitation or stenosis. Confocal microscopy analysis revealed a diverse pattern of distribution of collagen VI and lumican into RHD and MXD valves. Altogether, these results demonstrated distinct patterns of altered valve expression and tissue distribution/organization of structural/matrix proteins that play important pathophysiological roles in both valve diseases.
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Affiliation(s)
- Carlo de Oliveira Martins
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
- Institute of Investigation in Immunology, National Institute for Science and Technology, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Lea Demarchi
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Frederico Moraes Ferreira
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
- Institute of Investigation in Immunology, National Institute for Science and Technology, University of São Paulo, São Paulo, São Paulo, Brazil
| | | | - Carlos Brandao
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Roney Orismar Sampaio
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Guilherme Sobreira Spina
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Jorge Kalil
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
- Institute of Investigation in Immunology, National Institute for Science and Technology, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Edecio Cunha-Neto
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
- Institute of Investigation in Immunology, National Institute for Science and Technology, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Luiza Guilherme
- Heart Institute (InCor), School of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
- Institute of Investigation in Immunology, National Institute for Science and Technology, University of São Paulo, São Paulo, São Paulo, Brazil
- * E-mail:
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Hudson DM, Weis M, Rai J, Joeng KS, Dimori M, Lee BH, Morello R, Eyre DR. P3h3-null and Sc65-null Mice Phenocopy the Collagen Lysine Under-hydroxylation and Cross-linking Abnormality of Ehlers-Danlos Syndrome Type VIA. J Biol Chem 2017; 292:3877-3887. [PMID: 28115524 DOI: 10.1074/jbc.m116.762245] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 01/18/2017] [Indexed: 11/06/2022] Open
Abstract
Tandem mass spectrometry was applied to tissues from targeted mutant mouse models to explore the collagen substrate specificities of individual members of the prolyl 3-hydroxylase (P3H) gene family. Previous studies revealed that P3h1 preferentially 3-hydroxylates proline at a single site in collagen type I chains, whereas P3h2 is responsible for 3-hydroxylating multiple proline sites in collagen types I, II, IV, and V. In screening for collagen substrate sites for the remaining members of the vertebrate P3H family, P3h3 and Sc65 knock-out mice revealed a common lysine under-hydroxylation effect at helical domain cross-linking sites in skin, bone, tendon, aorta, and cornea. No effect on prolyl 3-hydroxylation was evident on screening the spectrum of known 3-hydroxyproline sites from all major tissue collagen types. However, collagen type I extracted from both Sc65-/- and P3h3-/- skin revealed the same abnormal chain pattern on SDS-PAGE with an overabundance of a γ112 cross-linked trimer. The latter proved to be from native molecules that had intramolecular aldol cross-links at each end. The lysine under-hydroxylation was shown to alter the divalent aldimine cross-link chemistry of mutant skin collagen. Furthermore, the ratio of mature HP/LP cross-links in bone of both P3h3-/- and Sc65-/- mice was reversed compared with wild type, consistent with the level of lysine under-hydroxylation seen in individual chains at cross-linking sites. The effect on cross-linking lysines was quantitatively very similar to that previously observed in EDS VIA human and Plod1-/- mouse tissues, suggesting that P3H3 and/or SC65 mutations may cause as yet undefined EDS variants.
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Affiliation(s)
- David M Hudson
- From the Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington 98195,
| | - MaryAnn Weis
- From the Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington 98195
| | - Jyoti Rai
- From the Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington 98195
| | - Kyu Sang Joeng
- the Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030, and
| | - Milena Dimori
- the Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - Brendan H Lee
- the Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030, and
| | - Roy Morello
- the Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
| | - David R Eyre
- From the Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington 98195
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