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Noro J, Vilaça-Faria H, Reis RL, Pirraco RP. Extracellular matrix-derived materials for tissue engineering and regenerative medicine: A journey from isolation to characterization and application. Bioact Mater 2024; 34:494-519. [PMID: 38298755 PMCID: PMC10827697 DOI: 10.1016/j.bioactmat.2024.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/19/2023] [Accepted: 01/03/2024] [Indexed: 02/02/2024] Open
Abstract
Biomaterial choice is an essential step during the development tissue engineering and regenerative medicine (TERM) applications. The selected biomaterial must present properties allowing the physiological-like recapitulation of several processes that lead to the reestablishment of homeostatic tissue or organ function. Biomaterials derived from the extracellular matrix (ECM) present many such properties and their use in the field has been steadily increasing. Considering this growing importance, it becomes imperative to provide a comprehensive overview of ECM biomaterials, encompassing their sourcing, processing, and integration into TERM applications. This review compiles the main strategies used to isolate and process ECM-derived biomaterials as well as different techniques used for its characterization, namely biochemical and chemical, physical, morphological, and biological. Lastly, some of their applications in the TERM field are explored and discussed.
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Affiliation(s)
- Jennifer Noro
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Helena Vilaça-Faria
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rogério P. Pirraco
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
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2
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O'Meara S, Cunnane EM, Croghan SM, Cunnane CV, Walsh MT, O'Brien FJ, Davis NF. Mechanical characteristics of the ureter and clinical implications. Nat Rev Urol 2024; 21:197-213. [PMID: 38102385 DOI: 10.1038/s41585-023-00831-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/16/2023] [Indexed: 12/17/2023]
Abstract
The ureteric wall is a complex multi-layered structure. The ureter shows variation in passive mechanical properties, histological morphology and insertion forces along the anatomical length. Ureter mechanical properties also vary depending on the direction of tensile testing and the anatomical region tested. Compliance is greatest in the proximal ureter and lower in the distal ureter, which contributes to the role of the ureter as a high-resistance sphincter. Similar to other human tissues, the ureteric wall remodels with age, resulting in changes to the mechanical properties. The passive mechanical properties of the ureter vary between species, and variation in tissue storage and testing methods limits comparison across some studies. Knowledge of the morphological and mechanical properties of the ureteric wall can aid in understanding urine transport and safety thresholds in surgical techniques. Indeed, various factors alter the forces required to insert access sheaths or scopes into the ureter, including sheath diameter, safety wires and medications. Future studies on human ureteric tissue both in vivo and ex vivo are required to understand the mechanical properties of the ureter and how forces influence these properties. Testing of instrument insertion forces in humans with a focus on defining safe upper limits and techniques to reduce trauma are also needed. Last, evaluation of dilatation limits in the mid and proximal ureter and clarification of tensile strength anisotropy in human specimens are necessary.
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Affiliation(s)
- Sorcha O'Meara
- Department of Surgery, Royal College of Surgeons of Ireland (RCSI), Dublin, Ireland.
- Department of Urology, Blackrock Clinic, Blackrock, Co., Dublin, Ireland.
| | - Eoghan M Cunnane
- Biomaterials Cluster, Bernal Institute, University of Limerick, Limerick, Ireland
- School of Engineering, University of Limerick, Limerick, Ireland
| | - Stefanie M Croghan
- Department of Surgery, Royal College of Surgeons of Ireland (RCSI), Dublin, Ireland
- Department of Urology, Blackrock Clinic, Blackrock, Co., Dublin, Ireland
| | - Connor V Cunnane
- Biomaterials Cluster, Bernal Institute, University of Limerick, Limerick, Ireland
- School of Engineering, University of Limerick, Limerick, Ireland
| | - Michael T Walsh
- Biomaterials Cluster, Bernal Institute, University of Limerick, Limerick, Ireland
- School of Engineering, University of Limerick, Limerick, Ireland
| | - Fergal J O'Brien
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Niall F Davis
- Department of Surgery, Royal College of Surgeons of Ireland (RCSI), Dublin, Ireland
- Department of Urology, Blackrock Clinic, Blackrock, Co., Dublin, Ireland
- Department of Urology and Transplant Surgery, Beaumont Hospital, Dublin, Ireland
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Phanphothong P, Kanpipit N, Thapphasaraphong S. The characteristics and biological activity enhancements of melatonin encapsulations for skin care product applications. Int J Pharm X 2023; 6:100217. [PMID: 37927583 PMCID: PMC10624970 DOI: 10.1016/j.ijpx.2023.100217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 09/27/2023] [Accepted: 10/26/2023] [Indexed: 11/07/2023] Open
Abstract
Melatonin (MLT) exhibits antioxidant, ultraviolet protection, anti-inflammatory, and anti-aging properties. However, its effectiveness is limited by instability, a short half-life, and incompatible absorption. In this research, we encapsulated melatonin (MLT) in transfersomes (MT) and niosomes (MN) to enhance their properties and investigate their effects through in vitro cell assays using murine macrophages cells and human foreskin fibroblasts cells. The vesicle morphology, vesicle size, polydispersity index, zeta potential, entrapment efficiency (EE%), attenuated total reflectance-Fourier transform spectroscopy (ATR-FTIR) spectra, along with in vitro release, permeation profiles, and stability study were also evaluated. The results showed that both encapsulations displayed spherical morphology at the nanometric scale, their great physical stability and provided an EE% range of 58-78%. The MLT incorporation into the vesicle was confirmed by the ATR-FTIR spectra. Additionally, the encapsulation' release profiles fitted with the Higuchi model, indicating controlled release of melatonin. Furthermore, MT showed greater permeability than MN and MS including melatonin deposition. In cell assays, MT exhibited significantly higher nitric oxide inhibition and stimulation of collagen compared to MN and MS. Therefore, MT demonstrated the highest possibility for anti-inflammatory and collagen-stimulating activities that could be applied in pharmaceutical or anti-aging cosmetic products.
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Affiliation(s)
- Phongsapak Phanphothong
- Pharmaceutical Chemistry and Natural Products Program, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nattawadee Kanpipit
- Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Suthasinee Thapphasaraphong
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
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Szász C, Pap D, Szebeni B, Bokrossy P, Őrfi L, Szabó AJ, Vannay Á, Veres-Székely A. Optimization of Sirius Red-Based Microplate Assay to Investigate Collagen Production In Vitro. Int J Mol Sci 2023; 24:17435. [PMID: 38139263 PMCID: PMC10744033 DOI: 10.3390/ijms242417435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Tissue fibrosis is characterized by chronic fibroblast activation and consequently excessive accumulation of collagen-rich extracellular matrix. In vitro microplate-based assays are essential to investigate the underlying mechanism and the effect of antifibrotic drugs. In this study, in the absence of a gold-standard method, we optimized a simple, cost-effective, Sirius Red-based colorimetric measurement to determine the collagen production of fibroblasts grown on 96-well tissue culture plates. Based on our findings, the use of a serum-free medium is recommended to avoid aspecific signals, while ascorbate supplementation increases the collagen production of fibroblasts. The cell-associated collagens can be quantified by Sirius Red staining in acidic conditions followed by alkaline elution. Immature collagens can be precipitated from the culture medium by acidic Sirius Red solution, and after subsequent centrifugation and washing steps, their amount can be also measured. Increased attention has been paid to optimizing the assay procedure, including incubation time, temperature, and solution concentrations. The resulting assay shows high linearity and sensitivity and could serve as a useful tool in fibrosis-related basic research as well as in preclinical drug screening.
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Affiliation(s)
- Csenge Szász
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
| | - Domonkos Pap
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
- HUN-REN-SU Pediatrics and Nephrology Research Group, 1052 Budapest, Hungary
| | - Beáta Szebeni
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
- HUN-REN-SU Pediatrics and Nephrology Research Group, 1052 Budapest, Hungary
| | - Péter Bokrossy
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
| | - László Őrfi
- Department of Pharmaceutical Chemistry, Semmelweis University, 1092 Budapest, Hungary
- Vichem Chemie Research Ltd., 1022 Budapest, Hungary
| | - Attila J. Szabó
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
- HUN-REN-SU Pediatrics and Nephrology Research Group, 1052 Budapest, Hungary
| | - Ádám Vannay
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
- HUN-REN-SU Pediatrics and Nephrology Research Group, 1052 Budapest, Hungary
| | - Apor Veres-Székely
- Pediatric Center, MTA Center of Excellence, Semmelweis University, 1083 Budapest, Hungary
- HUN-REN-SU Pediatrics and Nephrology Research Group, 1052 Budapest, Hungary
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5
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Olabi M, Wätzig H. Quantitation of native and forced degraded collagens by capillary zone electrophoresis: Method development and validation. J Sep Sci 2023; 46:e2300516. [PMID: 37884462 DOI: 10.1002/jssc.202300516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023]
Abstract
A new capillary zone electrophoresis method for collagen quantitation was developed and validated according to the International Council for Harmonization guideline Q2 (R1). The Sircol collagen assay and ultraviolet spectrometry were employed as reference methods. Capillary zone electrophoresis enables specific, simple, and fast determination within 9 min. It is less user-dependent and more automated than the Sircol collagen assay. With a limit of detection of 18.0 μg/mL, the new method is less sensitive than the Sircol collagen assay, which has a limit of detection of 6.5 μg/mL. Nonetheless, capillary zone electrophoresis covers a wider linearity range (50-400 μg/mL) compared to the Sircol collagen assay (5-80 μg/mL), with similar precision. Additional advantages of capillary zone electrophoresis are the ability to gain information on collagen integrity and to simultaneously determine native and denatured collagens. This approach represents a modern and legitimate alternative to the Sircol collagen assay. The developed method has been successfully applied to the study of three collagen products and samples from forced degradation.
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Affiliation(s)
- Mais Olabi
- Institute of Medicinal and Pharmaceutical Chemistry, Technical University of Braunschweig, Braunschweig, Germany
| | - Hermann Wätzig
- Institute of Medicinal and Pharmaceutical Chemistry, Technical University of Braunschweig, Braunschweig, Germany
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Orlandi V, Dondero L, Turrini F, De Negri Atanasio G, Grasso F, Grasselli E, Boggia R. Green Extraction and Preliminary Biological Activity of Hydrolyzed Collagen Peptides (HCPs) Obtained from Whole Undersized Unwanted Catches ( Mugil cephalus L.). Molecules 2023; 28:7637. [PMID: 38005359 PMCID: PMC10673473 DOI: 10.3390/molecules28227637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/08/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
Considering the global increase in fish consumption, the growing side-streams coming from the fish supply chain (e.g., skin, fins, tail, heads…), also including undersized or "unwanted catches", have been recently proposed as source of high-value bioactive compounds (e.g., peptides and fatty acids). In this case study, hydrolyzed collagen peptides (HCPs) were extracted from different parts of Mugil cephalus L. using environmentally friendly techniques such as ultrasounds and enzymatic treatments. Both a mixed biomass derived from the skin, fins, and tail, and a whole fish, were considered as starting biomass, simulating the unsorted processing side-streams and an undersized/unwanted catch, respectively. The extracted HCPs were purified in fractions (<3 KDa and >3 KDa) whose yields (about 5% and 0.04-0.3%, respectively) demonstrated the efficiency of the hydrolysis process. The extraction protocol proposed allowed us to also isolate the intermediate products, namely the lipids (about 8-10%) and the non-collagenous proteins (NCs, 16-23%), whose exploitation could be considered. Each sample was characterized using Sircol, UltraViolet-Spectra, and hydroxyproline assay, and the viability of their collagen fractions was tested on human endothelial cells. Significant effects were obtained at a fraction of <3 KDa, in particular at a concentration of 0.13 µg/mL. The T-scratch test was also performed, with positive results in all fractions tested.
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Affiliation(s)
- Valentina Orlandi
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.O.); (F.G.)
| | - Lorenzo Dondero
- Department of Earth, Environmental and Life Sciences, University of Genova, Corso Europa, 26, 16132 Genova, Italy; (L.D.); (G.D.N.A.); (E.G.)
| | - Federica Turrini
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.O.); (F.G.)
- National Center for the Development of New Technologies in Agriculture (Agritech), 80121 Napoli, Italy
| | - Giulia De Negri Atanasio
- Department of Earth, Environmental and Life Sciences, University of Genova, Corso Europa, 26, 16132 Genova, Italy; (L.D.); (G.D.N.A.); (E.G.)
| | - Federica Grasso
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.O.); (F.G.)
| | - Elena Grasselli
- Department of Earth, Environmental and Life Sciences, University of Genova, Corso Europa, 26, 16132 Genova, Italy; (L.D.); (G.D.N.A.); (E.G.)
- National Center for the Development of New Technologies in Agriculture (Agritech), 80121 Napoli, Italy
- Interuniversity Center for the Promotion of 3R Principles in Teaching and Research (Centro 3R), 56122 Pisa, Italy
| | - Raffaella Boggia
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.O.); (F.G.)
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
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Zhao X, Wu J, Yuan R, Li Y, Yang Q, Wu B, Zhai X, Wang J, Magalon J, Sabatier F, Daumas A, Zhu WM, Zhu N. Adipose-derived mesenchymal stem cell therapy for reverse bleomycin-induced experimental pulmonary fibrosis. Sci Rep 2023; 13:13183. [PMID: 37580529 PMCID: PMC10425426 DOI: 10.1038/s41598-023-40531-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 08/11/2023] [Indexed: 08/16/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive respiratory disease. Arguably, the complex interplay between immune cell subsets, coupled with an incomplete understanding of disease pathophysiology, has hindered the development of successful therapies. Despite efforts to understand its pathophysiology and develop effective treatments, IPF remains a fatal disease, necessitating the exploration of new treatment options. Mesenchymal stromal/stem cell (MSC) therapy has shown promise in experimental models of IPF, but further investigation is needed to understand its therapeutic effect. This study aimed to assess the therapeutic effect of adipose-derived mesenchymal stem cells in a bleomycin-induced pulmonary fibrosis model. First, MSC cells were obtained from mice and characterized using flow cytometry and cell differentiation culture methods. Then adult C57BL/6 mice were exposed to endotracheal instillation of bleomycin and concurrently treated with MSCs for reversal models on day 14. Experimental groups were evaluated on days 14, 21, or 28. Additionally, lung fibroblasts challenged with TGF-β1 were treated with MSCs supernatant or MSCs to explore the mechanisms underlying of pulmonary fibrosis reversal. Mesenchymal stem cells were successfully isolated from mouse adipose tissue and characterized based on their differentiation ability and cell phenotype. The presence of MSCs or their supernatant stimulated the proliferation and migration of lung fibrotic cells. MSCs supernatant reduced lung collagen deposition, improved the Ashcroft score and reduced the gene and protein expression of lung fibrosis-related substances. Bleomycin-challenged mice exhibited severe septal thickening and prominent fibrosis, which was effectively reversed by MSCs treatment. MSC supernatant could suppress the TGF-β1/Smad signaling pathway and supernatant promotes fibroblast autophagy. In summary, this study demonstrates that MSCs supernatant treatment is as effective as MSCs in revert the core features of bleomycin-induced pulmonary fibrosis. The current study has demonstrated that MSCs supernatant alleviates the BLM-induced pulmonary fibrosis in vivo. In vitro experiments further reveal that MSC supernatant could suppress the TGF-β1/Smad signaling pathway to inhibit the TGF-β1-induced fibroblast activation, and promotes fibroblast autophagy by Regulating p62 expression. These findings contribute to the growing body of evidence supporting the therapeutic application of MSCs in cell therapy medicine for IPF.
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Affiliation(s)
- Xiansheng Zhao
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Jinyan Wu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Ruoyue Yuan
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Yue Li
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Quyang Yang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Baojin Wu
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Xiaowen Zhai
- Children's Hospital of Fudan University, Shanghai, China
| | - Jiucun Wang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Jérémy Magalon
- Culture and Cell Therapy Laboratory, INSERM CIC BT 1409, Assistance Publique Hôpitaux de Marseille (AP-HM), Aix-Marseille University, Marseille, France
- Aix Marseille University, INSERM, INRA, C2VN, Marseille, France
| | - Florence Sabatier
- Culture and Cell Therapy Laboratory, INSERM CIC BT 1409, Assistance Publique Hôpitaux de Marseille (AP-HM), Aix-Marseille University, Marseille, France
- Aix Marseille University, INSERM, INRA, C2VN, Marseille, France
| | - Aurélie Daumas
- Aix Marseille University, INSERM, INRA, C2VN, Marseille, France
- Internal Medicine Department, Assistance Publique Hôpitaux de Marseille (AP-HM), Marseille, France
| | - Winston M Zhu
- Oxford Medical School, University of Oxford, Oxford, UK
| | - Ningwen Zhu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China.
- Department of Plastic, Reconstructive and Burns Surgery, Huashan Hospital, Fudan University, Shanghai, 200040, China.
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Park JYC, King A, Björk V, English BW, Fedintsev A, Ewald CY. Strategic outline of interventions targeting extracellular matrix for promoting healthy longevity. Am J Physiol Cell Physiol 2023; 325:C90-C128. [PMID: 37154490 DOI: 10.1152/ajpcell.00060.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
The extracellular matrix (ECM), composed of interlinked proteins outside of cells, is an important component of the human body that helps maintain tissue architecture and cellular homeostasis. As people age, the ECM undergoes changes that can lead to age-related morbidity and mortality. Despite its importance, ECM aging remains understudied in the field of geroscience. In this review, we discuss the core concepts of ECM integrity, outline the age-related challenges and subsequent pathologies and diseases, summarize diagnostic methods detecting a faulty ECM, and provide strategies targeting ECM homeostasis. To conceptualize this, we built a technology research tree to hierarchically visualize possible research sequences for studying ECM aging. This strategic framework will hopefully facilitate the development of future research on interventions to restore ECM integrity, which could potentially lead to the development of new drugs or therapeutic interventions promoting health during aging.
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Affiliation(s)
- Ji Young Cecilia Park
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
| | - Aaron King
- Foresight Institute, San Francisco, California, United States
| | | | - Bradley W English
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | | | - Collin Y Ewald
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
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9
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Salem MB, Elzallat M, Mohammed DM, Samir S, Hammam OA, Abdel-Wareth MTA. Cornu aspersum mucin attenuates indomethacins-induced gastric ulcers in mice via alleviating oxidative stress and inflammation. Heliyon 2023; 9:e15677. [PMID: 37144196 PMCID: PMC10151374 DOI: 10.1016/j.heliyon.2023.e15677] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/06/2023] Open
Abstract
In the past three decades, a significant progress has been made in the prevention and treatment of gastric ulcers. The incidence of the disease has decreased, but gastric ulcer is still a medical problem. Currently, the available drugs for gastric ulcer treatment have many side effects; therefore, searching for new and safe therapeutic agents is mandatory. The present study aims to investigate the gastroprotective potential of Cornu aspersum (C. aspersum) mucin against gastric ulcers, and the mechanisms related to oxidative stress and inflammation. C. aspersum mucin was collected from 50 snails. The characteristics of C. aspersum mucin (chemical and microbiological) were evaluated. Mice were pretreated with famotidine and C. aspersum mucin (7.5 and 15 ml/kg b.w.) for 5 days, and then gastric ulcers were induced by indomethacin. Macroscopic examination, biochemical estimations, and Quantitative real-time PCR were carried out. Also, histopathological and immunohistopathological examinations were evaluated. We found that the high dose of the mucin significantly decreased the gastric mucosal malondialdehyde (MDA) and nitric oxide (NO) contents as well as interleukin 1β (IL-1β) and nuclear factor kappa β (NF-ҡB) expression, and inducible nitric oxide synthase (iNOS) immunostaining. It also increased the gastric mucosal GSH and catalase contents as well as hemoxygenase-1 (HO-1) and nuclear factor-erythroid 2-related factor 2 (Nrf2) expressions with regressions in gastric mucosal lesions. In conclusion, C. aspersum mucin could be a potential therapeutic candidate to protect against gastric ulceration.
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Affiliation(s)
- Maha B. Salem
- Pharmacology Department, Theodor Bilharz Research Institute, Giza, Egypt
| | - Mohamed Elzallat
- Immunology Department, Theodor Bilharz Research Institute, Giza, Egypt
| | - Dina Mostafa Mohammed
- Nutrition and Food Sciences Department, National Research Centre, Giza, Egypt
- Corresponding author.
| | - Safia Samir
- Biochemistry and Molecular Biology Department, Theodor Bilharz Research Institute, Giza, Egypt
| | - Olfat A. Hammam
- Pathology Department, Theodor Bilharz Research Institute, Giza, Egypt
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10
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Li H, Beg OU, Rafie AR, Kanwal S, Ovalle-Cisneros A, Faison MO, Siddiqui RA. Characterization of Green and Yellow Papaya ( Carica papaya) for Anti-Diabetic Activity in Liver and Myoblast Cells and Wound-Healing Activity in Fibroblast Cells. Nutrients 2023; 15:nu15081929. [PMID: 37111148 PMCID: PMC10142885 DOI: 10.3390/nu15081929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Obesity and diabetes, often characterized as "metabolic syndrome", have been recognized as two of the most important public health issues worldwide. The objective of the present research was to evaluate green and yellow papaya for anti-oxidation and anti-diabetic properties. Leaves, skin, pulp, and seed samples from papayas were freeze-dried and then extracted in water or 80% methanol. The extracts were used to determine total polyphenolic content and anti-oxidation activities, and to determine biological activities, including glucose uptake, Glut-2 expression, triglyceride reduction, and wound-healing activity. Our data demonstrated that methanol and water extracts of green and yellow papaya have similar concentrations of polyphenols in skin (10-20 mg/g dry powder), leaf (25-30 mg/g dry powder), and pulp (1-3 mg/g dry powder) fractions. However, both methanol and water extracts of seeds from yellow papaya have substantially higher concentrations of polyphenols compared to green papaya. Both water and methanol extracts of yellow papaya exhibited higher anti-oxidation activity compared to green papaya in skin (50-60%), pulp (200-300%), and seeds (10-800%). Old leaves also showed greater anti-oxidation activity (30-40%) compared to new leaves. Pulp extracts from both yellow and green papaya stimulated greater glucose uptake, but only pulp from green papaya stimulated glucose uptake in muscle cells. Similarly, pulp extract stimulated glucose transporter Glut-2 expression in liver cells. The skin, pulp, and seeds of green or yellow papaya showed triglyceride-lowering activity in liver cells by 60-80%, but samples taken from yellow papaya had a more potent effect. Seeds from both green and yellow papaya significantly stimulated the migration of fibroblasts in the wounded area by 2-2.5-fold compared to the untreated control. Consistent with these data, seeds from both green and yellow papaya also significantly stimulated collagen synthesis in fibroblast cells by almost 3-fold. In conclusion, our data indicate that different parts of papaya produce stimulatory effects on glucose uptake, Glut-2 expression, TG reduction, and wound-healing activities. This study concludes that different parts of the papaya can be beneficial for preventing diabetes and diabetes-related wound healing.
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Affiliation(s)
- Haiwen Li
- Food Chemistry and Nutrition Science Laboratory, Agricultural Research Station, College of Agriculture, Virginia State University, Petersburg, VA 23806, USA
| | - Obaid Ullah Beg
- Food Chemistry and Nutrition Science Laboratory, Agricultural Research Station, College of Agriculture, Virginia State University, Petersburg, VA 23806, USA
| | - Ahmed Reza Rafie
- Cooperate Extension, College of Agriculture, Virginia State University, Petersburg, VA 23806, USA
| | - Sadia Kanwal
- Food Chemistry and Nutrition Science Laboratory, Agricultural Research Station, College of Agriculture, Virginia State University, Petersburg, VA 23806, USA
| | - Alexandra Ovalle-Cisneros
- Department of Biology, College of Natural Sciences, Virginia State University, Petersburg, VA 23806, USA
| | - Milton Omar Faison
- Department of Biology, College of Natural Sciences, Virginia State University, Petersburg, VA 23806, USA
| | - Rafat Ali Siddiqui
- Food Chemistry and Nutrition Science Laboratory, Agricultural Research Station, College of Agriculture, Virginia State University, Petersburg, VA 23806, USA
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11
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Tarnutzer K, Siva Sankar D, Dengjel J, Ewald CY. Collagen constitutes about 12% in females and 17% in males of the total protein in mice. Sci Rep 2023; 13:4490. [PMID: 36934197 PMCID: PMC10024738 DOI: 10.1038/s41598-023-31566-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/14/2023] [Indexed: 03/20/2023] Open
Abstract
Collagen has been postulated to be the most abundant protein in our body, making up one-third of the total protein content in mammals. However, a direct assessment of the total collagen levels of an entire mammal to confirm this estimate is missing. Here we measured hydroxyproline levels as a proxy for collagen content together with total protein levels of entire mice or of individual tissues. Collagen content normalized to the total protein is approximately 0.1% in the brain and liver, 1% in the heart and kidney, 4% in the muscle and lung, 6% in the colon, 20-40% in the skin, 25-35% in bones, and 40-50% in tendons of wild-type (CD1 and CB57BL/6) mice, consistent with previous reports. To our surprise, we find that collagen is approximately 12% in females and 17% in males of the total protein content of entire wild-type (CD1 and CB57BL/6) mice. Although collagen type I is the most abundant collagen, the most abundant proteins are albumin, hemoglobulin, histones, actin, serpina, and then collagen type I. Analyzing amino acid compositions of mice revealed glycine as the most abundant amino acid. Thus, we provide reference points for collagen, matrisome, protein, and amino acid composition of healthy wild-type mice.
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Affiliation(s)
- Katharina Tarnutzer
- Department of Health Sciences and Technology, Institute of Translational Medicine, ETH Zürich, 8603, Schwerzenbach, Zurich, Switzerland
| | | | - Joern Dengjel
- Department of Biology, University of Fribourg, 1700, Fribourg, Switzerland
| | - Collin Y Ewald
- Department of Health Sciences and Technology, Institute of Translational Medicine, ETH Zürich, 8603, Schwerzenbach, Zurich, Switzerland.
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12
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Xiao L, Liang Y, Liu G, Lin F, Wen X. Identification of antioxidant peptides after digestion and absorption of isinglass by serum peptidomics and cellular antioxidant activity analysis. Food Funct 2023; 14:2249-2259. [PMID: 36762544 DOI: 10.1039/d2fo03847a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Isinglass, a dried product of the swim bladder, has been widely used in traditional Chinese medicine. This study attempts to identify natural antioxidant peptides after digestion and absorption of isinglass in vivo. The antioxidant effects of dietary isinglass were demonstrated by evaluating the activities of SOD, CAT and MDA contents in the mouse liver. Four novel antioxidant-related peptides (RLLWENGNLL, GSKAENPTNPGP, SPVPDLVPGSF and VPDLVPGSF) were screened based on serum peptidomics and amino acid composition. Furthermore, pretreating with four peptides significantly increased the cell viability, and SOD and CAT activities of AML12 cells with H2O2-mediated oxidative damage, meanwhile, significantly reduced the ROS level, MDA content and apoptosis rate and attenuated DNA damage. Therefore, it was concluded that pretreatment of the identified peptides had a protective effect on oxidatively damaged cells. This result can aid in the recognition of active peptides from isinglass consumption for potential application in nutraceuticals or functional ingredients in food.
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Affiliation(s)
- Lanfei Xiao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.,College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
| | - Yongjun Liang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou 515063, China.
| | - Geng Liu
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
| | - Fan Lin
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou 515063, China.
| | - Xiaobo Wen
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
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13
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Staab-Weijnitz CA, Onursal C, Nambiar D, Vanacore R. Assessment of Collagen in Translational Models of Lung Research. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1413:213-244. [PMID: 37195533 DOI: 10.1007/978-3-031-26625-6_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The extracellular matrix (ECM) plays an important role in lung health and disease. Collagen is the main component of the lung ECM, widely used for the establishment of in vitro and organotypic models of lung disease, and as scaffold material of general interest for the field of lung bioengineering. Collagen also is the main readout for fibrotic lung disease, where collagen composition and molecular properties are drastically changed and ultimately result in dysfunctional "scarred" tissue. Because of the central role of collagen in lung disease, quantification, determination of molecular properties, and three-dimensional visualization of collagen is important for both development and characterization of translational models of lung research. In this chapter, we provide a comprehensive overview on the various methodologies currently available for quantification and characterization of collagen including their detection principles, advantages, and disadvantages.
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Affiliation(s)
- Claudia A Staab-Weijnitz
- Institute of Lung Health and Immunity and Comprehensive Pneumology Center with the CPC-M BioArchive, Member of the German Center for Lung Research (DZL), Ludwig-Maximilians-Universität and Helmholtz Zentrum München, Munich, Germany.
| | - Ceylan Onursal
- Institute of Lung Health and Immunity and Comprehensive Pneumology Center with the CPC-M BioArchive, Member of the German Center for Lung Research (DZL), Ludwig-Maximilians-Universität and Helmholtz Zentrum München, Munich, Germany
| | - Deepika Nambiar
- Center for Matrix Biology, Department of Medicine, Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Roberto Vanacore
- Center for Matrix Biology, Department of Medicine, Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN, USA.
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14
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Râpă M, Stefan LM, Seciu-Grama AM, Gaspar-Pintiliescu A, Matei E, Zaharia C, Stănescu PO, Predescu C. Poly(3-hydroxybutyrate- co-3-hydroxyvalerate) (P(3HB- co-3HV))/Bacterial Cellulose (BC) Biocomposites for Potential Use in Biomedical Applications. Polymers (Basel) 2022; 14:polym14245544. [PMID: 36559911 PMCID: PMC9786213 DOI: 10.3390/polym14245544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
The aim of this study was to obtain biocomposites consisting of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), bacterial cellulose (BC) and α-tocopherol by a melt processing technique for potential use in biomedical applications. The melt processing and roughness of biocomposites were evaluated and compared to sample without BC. The degradation rate of PHBV/BC biocomposites was measured in phosphate buffer saline (PBS) by determining the mass variation and evidencing of thermal and structural changes by differential scanning calorimetry (DSC) and attenuated total reflectance-Fourier transformed infrared spectrometry (ATR-FTIR). The cell viability, cell morphology, cell cycle distribution and total collagen content were investigated on murine NCTC fibroblasts. Overall, the adding of BC to polyester matrix led to an adequate melt processing of biocomposites and increased surface roughness and cytocompatibility, allowing the cells to secrete the extracellular matrix (collagen) and stimulate cell proliferation. Results showed that the PHBV/BC biocomposites were favorable for long-term degradation and could be used for the design of medical devices with controlled degradability.
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Affiliation(s)
- Maria Râpă
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
| | - Laura Mihaela Stefan
- National Institute of Research and Development for Biological Sciences, 296 Splaiul Independentei, 060031 Bucharest, Romania
| | - Ana-Maria Seciu-Grama
- National Institute of Research and Development for Biological Sciences, 296 Splaiul Independentei, 060031 Bucharest, Romania
| | - Alexandra Gaspar-Pintiliescu
- National Institute of Research and Development for Biological Sciences, 296 Splaiul Independentei, 060031 Bucharest, Romania
| | - Ecaterina Matei
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
| | - Cătălin Zaharia
- Advanced Polymer Materials Group, Faculty of Chemical Engineering and Biotechnology, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Paul Octavian Stănescu
- Advanced Polymer Materials Group, Faculty of Chemical Engineering and Biotechnology, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Cristian Predescu
- Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
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15
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Sanguansajapong V, Sakdiset P, Puttarak P. Development of Oral Microemulsion Spray Containing Pentacyclic Triterpenes-Rich Centella asiatica (L.) Urb. Extract for Healing Mouth Ulcers. Pharmaceutics 2022; 14:pharmaceutics14112531. [PMID: 36432724 PMCID: PMC9694358 DOI: 10.3390/pharmaceutics14112531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/06/2022] [Accepted: 11/10/2022] [Indexed: 11/22/2022] Open
Abstract
Several publications have shown that Centella asiatica (L.) Urb. and its active constituents (pentacyclic triterpenes) are effective in wound healing. The pentacyclic triterpenes-rich C. asiatica extract (PRE) was prepared following a previous study by microwave-assisted extraction (MAE) and fractionation with macroporous resin. This method provided the pentacyclic triterpene content in the extract up to 59.60% w/w. The PRE showed potent anti-inflammatory activity by inhibiting nitric oxide (NO) production with an IC50 value of 20.59 ± 3.48 μg/mL and a potent fibroblast proliferative effect (165.67%) at concentrations of 10 μg/mL. The prepared microemulsion consisted of a water: oil: surfactant mixture of 2: 2: 6, using coconut oil: clove oil (1:1) as the oil phase and Tween 20: Span 20 (2:1) as the surfactant mixture and 1.0, 2.5, and 5.0% PRE. Cell proliferation, migration, and collagen production of the microemulsion base and microemulsions containing 1.0%, 2.5%, and 5.0% PRE were evaluated. The results revealed that the microemulsion containing 1% PRE had the highest proliferation effect (136.30 ± 3.93% to 152.65 ± 3.48% at concentrations of 10 μg/mL), migration activities (100.00 ± 0.0% at 24 h), and collagen production in human dermal fibroblast (HDF) and human gingival fibroblast (HGF) cells when compared with other formulations or blank. Moreover, the anti-inflammatory activity of microemulsions containing 1% PRE was slightly lower than standard indomethacin. Anti-inflammation of the microemulsion containing PRE exhibited a dose-dependent trend, while 5% PRE was more potent than the standard drug. Considering the potent wound-healing activities and the good anti-inflammatory activity of the microemulsion containing PRE, the microemulsion with 1% PRE was identified as the most suitable oral spray formulation for oral ulcer treatment.
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Affiliation(s)
- Vilasinee Sanguansajapong
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90110, Thailand
| | - Pajaree Sakdiset
- Drug and Cosmetics Excellence Center, Walailak University, Nakhon Si Thammarat 80161, Thailand
- School of Pharmacy, Walailak University, Nakhon Si Thammarat 80161, Thailand
| | - Panupong Puttarak
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90110, Thailand
- Phytomedicine and Pharmaceutical Biotechnology Excellence Center, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90112, Thailand
- Correspondence: ; Tel.: +66-99-474-1598
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16
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Dual peptide-functionalized hydrogels differentially control periodontal cell function and promote tissue regeneration. BIOMATERIALS ADVANCES 2022; 141:213093. [PMID: 36067642 DOI: 10.1016/j.bioadv.2022.213093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/20/2022] [Indexed: 11/19/2022]
Abstract
Restoring the tooth-supporting tissues lost during periodontitis is a significant clinical challenge, despite advances in both biomaterial and cell-based approaches. This study investigated poly(ethylene glycol) (PEG) hydrogels functionalized with integrin-binding peptides RGD and GFOGER for controlling periodontal ligament cell (PDLC) activity and promoting periodontal tissue regeneration. Dual presentation of RGD and GFOGER within PEG hydrogels potentiated two key PDLC functions, alkaline phosphatase (ALP) activity and matrix mineralization, over either peptide alone and could be tuned to differentially promote each function. Hydrogel matrix mineralization, fostered by high concentrations of GFOGER together with RGD, identified a PDLC phenotype with accelerated matrix adhesion formation and expression of cementoblast and osteoblast genes. In contrast, maximizing ALP activity through high RGD and low GFOGER levels resulted in minimal hydrogel mineralization, in part, through altered PDLC pyrophosphate regulation. Transplantation of PDLCs in hydrogels optimized for either outcome promoted cementum formation in rat periodontal defects; however, only hydrogels optimized for in vitro mineralization improved new bone formation. Overall, these results highlight the utility of engineered hydrogel systems for controlling PDLC functions and their promise for promoting periodontal tissue regeneration.
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17
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Rampin A, Skoufos I, Raghunath M, Tzora A, Diakakis N, Prassinos N, Zeugolis DI. Allogeneic Serum and Macromolecular Crowding Maintain Native Equine Tenocyte Function in Culture. Cells 2022; 11:cells11091562. [PMID: 35563866 PMCID: PMC9103545 DOI: 10.3390/cells11091562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/22/2022] [Accepted: 05/04/2022] [Indexed: 02/06/2023] Open
Abstract
The absence of a native extracellular matrix and the use of xenogeneic sera are often associated with rapid tenocyte function losses during in vitro culture. Herein, we assessed the influence of different sera (equine serum and foetal bovine serum) on equine tenocyte morphology, viability, metabolic activity, proliferation and protein synthesis as a function of tissue-specific extracellular matrix deposition (induced via macromolecular crowding), aging (passages 3, 6, 9) and time in culture (days 3, 5, 7). In comparison to cells at passage 3, at day 3, in foetal bovine serum and without macromolecular crowding (traditional equine tenocyte culture), the highest number of significantly decreased readouts were observed for cells in foetal bovine serum, at passage 3, at day 5 and day 7 and without macromolecular crowding. Again, in comparison to traditional equine tenocyte culture, the highest number of significantly increased readouts were observed for cells in equine serum, at passage 3 and passage 6, at day 7 and with macromolecular crowding. Our data advocate the use of an allogeneic serum and tissue-specific extracellular matrix for effective expansion of equine tenocytes.
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Affiliation(s)
- Andrea Rampin
- Laboratory of Animal Science, Nutrition and Biotechnology, School of Agriculture, University of Ioannina, 47100 Arta, Greece; (A.R.); (I.S.); (A.T.)
- School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.D.); (N.P.)
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular & Biomedical Research, School of Mechanical & Materials Engineering, University College Dublin (UCD), D04 V1W8 Dublin, Ireland
| | - Ioannis Skoufos
- Laboratory of Animal Science, Nutrition and Biotechnology, School of Agriculture, University of Ioannina, 47100 Arta, Greece; (A.R.); (I.S.); (A.T.)
| | - Michael Raghunath
- Center for Cell Biology and Tissue Engineering, Institute for Chemistry and Biotechnology, Zurich University of Applied Sciences, 8820 Wädenswil, Switzerland;
| | - Athina Tzora
- Laboratory of Animal Science, Nutrition and Biotechnology, School of Agriculture, University of Ioannina, 47100 Arta, Greece; (A.R.); (I.S.); (A.T.)
| | - Nikolaos Diakakis
- School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.D.); (N.P.)
| | - Nikitas Prassinos
- School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.D.); (N.P.)
| | - Dimitrios I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular & Biomedical Research, School of Mechanical & Materials Engineering, University College Dublin (UCD), D04 V1W8 Dublin, Ireland
- Correspondence: ; Tel.: +353-17-16-18-84
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18
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Inhibition of discoidin domain receptors by imatinib prevented pancreatic fibrosis demonstrated in experimental chronic pancreatitis model. Sci Rep 2021; 11:12894. [PMID: 34145346 PMCID: PMC8213731 DOI: 10.1038/s41598-021-92461-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 06/10/2021] [Indexed: 12/23/2022] Open
Abstract
Discoidin domain receptors (DDR1 and DDR2) are the collagen receptors of the family tyrosine kinases, which play significant role in the diseases like inflammation, fibrosis and cancer. Chronic pancreatitis (CP) is a fibro-inflammatory disease in which recurrent pancreatic inflammation leads to pancreatic fibrosis. In the present study, we have investigated the role of DDR1 and DDR2 in CP. The induced expression of DDR1 and DDR2 was observed in primary pancreatic stellate cells (PSCs) and cerulein-induced CP. Subsequently, the protective effects of DDR1/DDR2 inhibitor, imatinib (IMT) were investigated. Pharmacological intervention with IMT effectively downregulated DDR1 and DDR2 expression. Further, IMT treatment reduced pancreatic injury, inflammation, extracellular matrix deposition and PSCs activation along with inhibition of TGF-β1/Smad signaling pathway. Taken together, these results suggest that inhibition of DDR1 and DDR2 controls pancreatic inflammation and fibrosis, which could represent an attractive and promising therapeutic strategy for the treatment of CP.
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19
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Tabernilla A, dos Santos Rodrigues B, Pieters A, Caufriez A, Leroy K, Van Campenhout R, Cooreman A, Gomes AR, Arnesdotter E, Gijbels E, Vinken M. In Vitro Liver Toxicity Testing of Chemicals: A Pragmatic Approach. Int J Mol Sci 2021; 22:5038. [PMID: 34068678 PMCID: PMC8126138 DOI: 10.3390/ijms22095038] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/04/2021] [Accepted: 05/05/2021] [Indexed: 02/07/2023] Open
Abstract
The liver is among the most frequently targeted organs by noxious chemicals of diverse nature. Liver toxicity testing using laboratory animals not only raises serious ethical questions, but is also rather poorly predictive of human safety towards chemicals. Increasing attention is, therefore, being paid to the development of non-animal and human-based testing schemes, which rely to a great extent on in vitro methodology. The present paper proposes a rationalized tiered in vitro testing strategy to detect liver toxicity triggered by chemicals, in which the first tier is focused on assessing general cytotoxicity, while the second tier is aimed at identifying liver-specific toxicity as such. A state-of-the-art overview is provided of the most commonly used in vitro assays that can be used in both tiers. Advantages and disadvantages of each assay as well as overall practical considerations are discussed.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Mathieu Vinken
- Department of Pharmaceutical and Pharmacological Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium; (A.T.); (B.d.S.R.); (A.P.); (A.C.); (K.L.); (R.V.C.); (A.C.); (A.R.G.); (E.A.); (E.G.)
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20
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Chen X, Guo Z, Zhang J, Li Y, Duan R. A new method for determining the denaturation temperature of collagen. Food Chem 2020; 343:128393. [PMID: 33406568 DOI: 10.1016/j.foodchem.2020.128393] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 09/30/2020] [Accepted: 10/11/2020] [Indexed: 11/19/2022]
Abstract
The denaturation temperature of collagen has been determined using several methods, such as circular dichroism, fourier transform infrared spectroscopy, and differential scanning calorimetry, etc. Such methods need specific equipment or mass samples (more than 75 mg samples), which means higher inspection costs. In this study, Sirius red was employed to determine the Tds of collagen from calf tendon, silver carp skin, frog and salmon skins (38.2 °C, 32.6 °C, 33.8 °C, and 15.6 °C, respectively) to explore a new method that does not require special equipment and only needs 2-3 mg sample for one measurement. This method was suitable for the determination of the denaturation temperature of collagen from terrestrial, aquatic and amphibian animals. Analysis of variance and t-test revealed that no significant difference was found between Sirius Red and viscosity methods. However, the Sirius Red method needs simpler equipment and less sample than viscosity and other methods. So it could be used as a convenient approach to determine the denaturation temperature of collagen instead of the viscosity method.
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Affiliation(s)
- Xin Chen
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, China; College of Marine Life and Fisheries, Jiangsu Ocean University, Lianyungang, China
| | - Zhiwen Guo
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang, China; College of Marine Life and Fisheries, Jiangsu Ocean University, Lianyungang, China
| | - Junjie Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, China; College of Marine Life and Fisheries, Jiangsu Ocean University, Lianyungang, China
| | - Yingying Li
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang, China; College of Marine Life and Fisheries, Jiangsu Ocean University, Lianyungang, China
| | - Rui Duan
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, China; College of Marine Life and Fisheries, Jiangsu Ocean University, Lianyungang, China.
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21
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Chan WW, Yeo DCL, Tan V, Singh S, Choudhury D, Naing MW. Additive Biomanufacturing with Collagen Inks. Bioengineering (Basel) 2020; 7:bioengineering7030066. [PMID: 32630194 PMCID: PMC7552643 DOI: 10.3390/bioengineering7030066] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 12/13/2022] Open
Abstract
Collagen is a natural polymer found abundantly in the extracellular matrix (ECM). It is easily extracted from a variety of sources and exhibits excellent biological properties such as biocompatibility and weak antigenicity. Additionally, different processes allow control of physical and chemical properties such as mechanical stiffness, viscosity and biodegradability. Moreover, various additive biomanufacturing technology has enabled layer-by-layer construction of complex structures to support biological function. Additive biomanufacturing has expanded the use of collagen biomaterial in various regenerative medicine and disease modelling application (e.g., skin, bone and cornea). Currently, regulatory hurdles in translating collagen biomaterials still remain. Additive biomanufacturing may help to overcome such hurdles commercializing collagen biomaterials and fulfill its potential for biomedicine.
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Affiliation(s)
- Weng Wan Chan
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - David Chen Loong Yeo
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - Vernice Tan
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - Satnam Singh
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
| | - Deepak Choudhury
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
- Correspondence: (D.C.); (M.W.N.)
| | - May Win Naing
- Biomanufacturing Technology, Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore City 138668, Singapore; (W.W.C.); (D.C.L.Y.); (V.T.); (S.S.)
- Singapore Institute of Manufacturing Technology (SIMTech), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-04, Innovis, Singapore City 138634, Singapore
- Correspondence: (D.C.); (M.W.N.)
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22
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Hosseini V, Mallone A, Mirkhani N, Noir J, Salek M, Pasqualini FS, Schuerle S, Khademhosseini A, Hoerstrup SP, Vogel V. A Pulsatile Flow System to Engineer Aneurysm and Atherosclerosis Mimetic Extracellular Matrix. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000173. [PMID: 32596117 PMCID: PMC7312268 DOI: 10.1002/advs.202000173] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Indexed: 06/11/2023]
Abstract
Alterations of blood flow patterns strongly correlate with arterial wall diseases such as atherosclerosis and aneurysm. Here, a simple, pumpless, close-loop, easy-to-replicate, and miniaturized flow device is introduced to concurrently expose 3D engineered vascular smooth muscle tissues to high-velocity pulsatile flow versus low-velocity disturbed flow conditions. Two flow regimes are distinguished, one that promotes elastin and impairs collagen I assembly, while the other impairs elastin and promotes collagen assembly. This latter extracellular matrix (ECM) composition shares characteristics with aneurysmal or atherosclerotic tissue phenotypes, thus recapitulating crucial hallmarks of flow-induced tissue morphogenesis in vessel walls. It is shown that the mRNA levels of ECM of collagens and elastin are not affected by the differential flow conditions. Instead, the differential gene expression of matrix metalloproteinase (MMP) and their inhibitors (TIMPs) is flow-dependent, and thus drives the alterations in ECM composition. In further support, treatment with doxycycline, an MMP inhibitor and a clinically used drug to treat vascular diseases, halts the effect of low-velocity flow on the ECM remodeling. This illustrates how the platform can be exploited for drug efficacy studies by providing crucial mechanistic insights into how different therapeutic interventions may affect tissue growth and ECM assembly.
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Affiliation(s)
- Vahid Hosseini
- Laboratory of Applied MechanobiologyInstitute of Translational MedicineDepartment of Health Sciences and TechnologyETH ZurichZurich8093Switzerland
- Present address:
Department of BioengineeringUniversity of California‐Los AngelesLos AngelesCA90095USA
| | - Anna Mallone
- Institute for Regenerative Medicine (IREM)University of Zurich and Wyss Translational Center ZurichZurich8952Switzerland
| | - Nima Mirkhani
- Responsive Biomedical Systems LabInstitute of Translational MedicineDepartment of Health Sciences and TechnologyETH ZurichZurich8093Switzerland
| | - Jerome Noir
- Institute of GeophysicsDepartment of Earth SciencesETH ZurichZurich8092Switzerland
| | - Mehdi Salek
- Department of Mechanical EngineeringMassachusetts Institute of TechnologyBostonMA02139USA
| | - Francesco Silvio Pasqualini
- Institute for Regenerative Medicine (IREM)University of Zurich and Wyss Translational Center ZurichZurich8952Switzerland
- Synthetic Physiology LaboratoryDepartment of Civil Engineering and ArchitectureUniversity of PaviaPavia27100Italy
| | - Simone Schuerle
- Responsive Biomedical Systems LabInstitute of Translational MedicineDepartment of Health Sciences and TechnologyETH ZurichZurich8093Switzerland
| | - Ali Khademhosseini
- Department of BioengineeringUniversity of California‐Los AngelesLos AngelesCA90095USA
| | - Simon P. Hoerstrup
- Institute for Regenerative Medicine (IREM)University of Zurich and Wyss Translational Center ZurichZurich8952Switzerland
| | - Viola Vogel
- Laboratory of Applied MechanobiologyInstitute of Translational MedicineDepartment of Health Sciences and TechnologyETH ZurichZurich8093Switzerland
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23
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Kim JH, Kwon TR, Lee SE, Jang YN, Han HS, Mun SK, Kim BJ. Comparative Evaluation of the Effectiveness of Novel Hyaluronic Acid-Polynucleotide Complex Dermal Filler. Sci Rep 2020; 10:5127. [PMID: 32198443 PMCID: PMC7083941 DOI: 10.1038/s41598-020-61952-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 02/18/2020] [Indexed: 11/08/2022] Open
Abstract
HA (Hyaluronic acid) filler, the most commonly used dermal filler, causes several side effects. HA-PN (Hyaluronic acid-Polynucleotide), a new composite filler, has excellent biocompatibility and induces tissue regeneration. In this study, we compare the efficacies and safety profiles of these fillers. The characteristics of HA and HA-PN fillers were compared using scanning electron microscopy and rheometry. No morphological difference was noted between the fillers. However, the latter had higher viscosity and elasticity values. The HA-PN filler induced higher cell migration than the HA filler in a wound healing assay. It was also found to stimulate better collagen synthesis in human and mouse fibroblasts. The HA and HA-PN fillers were injected into SKH1 hairless mice to determine changes in their volume for up to 24 weeks. Increased cell migration and collagen synthesis were observed in mice injected with the HA-PN complex filler. Although the safety and durability of the HA and HA-PN fillers were similar, the latter induced a lower transient receptor potential vanilloid 4 expression and caused less stimulation upon injection. In conclusion, HA-PN complex fillers can stimulate fibroblast growth and facilitate volume growth and skin regeneration.
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Affiliation(s)
- Jong Hwan Kim
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea
| | - Tae-Rin Kwon
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea
| | - Sung Eun Lee
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea
- Department of Medicine, Graduate School, Chung-Ang University, Seoul, Korea
| | - Yoo Na Jang
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea
- Department of Medicine, Graduate School, Chung-Ang University, Seoul, Korea
| | - Hye Sung Han
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea
- Department of Medicine, Graduate School, Chung-Ang University, Seoul, Korea
| | - Seog Kyun Mun
- Department of Otorhinolaryngology-Head and Neck Surgery, Chung-Ang University College of Medicine, Seoul, Korea
| | - Beom Joon Kim
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea.
- Department of Medicine, Graduate School, Chung-Ang University, Seoul, Korea.
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24
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Effect of hydrolyzed collagen on thermal, mechanical and biological properties of poly(lactic acid) bionanocomposites. IRANIAN POLYMER JOURNAL 2019. [DOI: 10.1007/s13726-019-00694-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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25
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Sallent I, Capella-Monsonís H, Zeugolis DI. Production and Characterization of Chemically Cross-Linked Collagen Scaffolds. Methods Mol Biol 2019; 1944:23-38. [PMID: 30840233 DOI: 10.1007/978-1-4939-9095-5_3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Chemical cross-linking of collagen-based devices is used as a means of increasing the mechanical stability and control the degradation rate upon implantation. Herein, we describe techniques to produce cross-linked with glutaraldehyde (GTA; amine terminal cross-linker), 4-arm polyethylene glycol succinimidyl glutarate (4SP; amine terminal cross-linker), diphenyl phosphoryl azide (DPPA; carboxyl terminal cross-linker), and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC; carboxyl terminal cross-linker) collagen films. In addition, we provide protocols to characterize the biophysical (swelling), biomechanical (tensile), and biological (metabolic activity, proliferation and viability using human dermal fibroblasts and THP-1 macrophages) properties of the cross-linked collagen scaffolds.
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Affiliation(s)
- Ignacio Sallent
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Héctor Capella-Monsonís
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway (NUI Galway), Galway, Ireland.
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway (NUI Galway), Galway, Ireland.
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26
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Yue ZMD, Hong DMD, Shengdi WMD, Peili FMD, Zheng LMD, Wenjiao ZMD, Wenping WMD. Histological Reference for Shear Wave Elastography in Liver Fibrosis: Collagen Quantification and Scoring System. ADVANCED ULTRASOUND IN DIAGNOSIS AND THERAPY 2019. [DOI: 10.37015/audt.2019.190815] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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27
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Sorushanova A, Delgado LM, Wu Z, Shologu N, Kshirsagar A, Raghunath R, Mullen AM, Bayon Y, Pandit A, Raghunath M, Zeugolis DI. The Collagen Suprafamily: From Biosynthesis to Advanced Biomaterial Development. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801651. [PMID: 30126066 DOI: 10.1002/adma.201801651] [Citation(s) in RCA: 466] [Impact Index Per Article: 93.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/03/2018] [Indexed: 05/20/2023]
Abstract
Collagen is the oldest and most abundant extracellular matrix protein that has found many applications in food, cosmetic, pharmaceutical, and biomedical industries. First, an overview of the family of collagens and their respective structures, conformation, and biosynthesis is provided. The advances and shortfalls of various collagen preparations (e.g., mammalian/marine extracted collagen, cell-produced collagens, recombinant collagens, and collagen-like peptides) and crosslinking technologies (e.g., chemical, physical, and biological) are then critically discussed. Subsequently, an array of structural, thermal, mechanical, biochemical, and biological assays is examined, which are developed to analyze and characterize collagenous structures. Lastly, a comprehensive review is provided on how advances in engineering, chemistry, and biology have enabled the development of bioactive, 3D structures (e.g., tissue grafts, biomaterials, cell-assembled tissue equivalents) that closely imitate native supramolecular assemblies and have the capacity to deliver in a localized and sustained manner viable cell populations and/or bioactive/therapeutic molecules. Clearly, collagens have a long history in both evolution and biotechnology and continue to offer both challenges and exciting opportunities in regenerative medicine as nature's biomaterial of choice.
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Affiliation(s)
- Anna Sorushanova
- Regenerative, Modular and 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
| | - Luis M Delgado
- Regenerative, Modular and 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
| | - Zhuning Wu
- Regenerative, Modular and 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
| | - Naledi Shologu
- Regenerative, Modular and 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
| | - Aniket Kshirsagar
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Rufus Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | | | - Yves Bayon
- Sofradim Production-A Medtronic Company, Trevoux, France
| | - Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Michael Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and 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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28
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Nitric Oxide Release from Antimicrobial Peptide Hydrogels for Wound Healing. Biomolecules 2018; 9:biom9010004. [PMID: 30583486 PMCID: PMC6359012 DOI: 10.3390/biom9010004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/14/2018] [Accepted: 12/19/2018] [Indexed: 12/19/2022] Open
Abstract
Nitric oxide (NO) is an endogenously produced molecule that has been implicated in several wound healing mechanisms. Its topical delivery may improve healing in acute or chronic wounds. In this study an antimicrobial peptide was synthesized which self-assembled upon a pH shift, forming a hydrogel. The peptide was chemically functionalized to incorporate a NO-donor moiety on lysine residues. The extent of the reaction was measured by ninhydrin assay and the NO release rate was quantified via the Griess reaction method. The resulting compound was evaluated for its antimicrobial activity against Escherichia coli, and its effect on collagen production by fibroblasts was assessed. Time-kill curves point to an initial increase in bactericidal activity of the functionalized peptide, and collagen production by human dermal fibroblasts when incubated with the NO-functionalized peptide showed a dose-dependent increase in the presence of the NO donor within a range of 0⁻20 μM.
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29
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Kjaer M, Kristjánsdóttir H, Andersen L, Heegaard AM, Ågren MS, Jorgensen LN. The effect of gender on early colonic anastomotic wound healing. Int J Colorectal Dis 2018; 33:1269-1276. [PMID: 29850942 DOI: 10.1007/s00384-018-3089-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/15/2018] [Indexed: 02/04/2023]
Abstract
PURPOSE Clinically, male patients subjected to colorectal surgery are more prone to develop anastomotic leakage than female patients by unknown mechanisms. Our aim was to investigate the impact of gender on anastomotic wound healing using an experimental model. METHODS One-layer colonic anastomosis was constructed in 8-week-old 28 male and 32 female Sprague-Dawley rats. Animals of one group (n = 30) were sacrificed immediately after surgery day 0 and the other group (n = 30) on postoperative day 3. Anastomotic breaking strength, total collagen (hydroxyproline), soluble collagen (Sircol), matrix metalloproteinase (MMP)-9, and transforming growth factor (TGF)-β1 were measured. RESULTS The anastomotic breaking strength decreased from day 0 to day 3 with no significant gender differences either in the extent of decline (P = 0.122) or absolute day 3 strengths (P = 0.425). Analogously, total collagen concentration in the anastomotic wounds decreased postoperatively and were lower (P = 0.043) in the male compared with the female rats on day 3. MMP-9 levels increased in the anastomoses postoperatively, but they did not differ (P = 0.391) between male and female animals. Soluble collagen levels were lower in the day-3 anastomoses of male versus female rats (P = 0.015) and correlated positively with total TGF-β1 levels (rS = 0.540, P = 0.006). Although TGF-β1 tended to be lower in male compared with the female rats, the differences did not reach statistical significance. CONCLUSION Our findings point towards a less favorable collagen metabolism in colonic anastomoses of male compared with female rats during early wound healing.
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Affiliation(s)
- Marie Kjaer
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.
| | - Hrefna Kristjánsdóttir
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Line Andersen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Science, University of Copenhagen, Copenhagen, Denmark
| | - Anne-Marie Heegaard
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Science, University of Copenhagen, Copenhagen, Denmark
| | - Magnus S Ågren
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.,Copenhagen Wound Healing Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Lars N Jorgensen
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
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30
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Besnard V, Dagher R, Madjer T, Joannes A, Jaillet M, Kolb M, Bonniaud P, Murray LA, Sleeman MA, Crestani B. Identification of periplakin as a major regulator of lung injury and repair in mice. JCI Insight 2018. [PMID: 29515024 DOI: 10.1172/jci.insight.90163] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Periplakin is a component of the desmosomes that acts as a cytolinker between intermediate filament scaffolding and the desmosomal plaque. Periplakin is strongly expressed by epithelial cells in the lung and is a target antigen for autoimmunity in idiopathic pulmonary fibrosis. The aim of this study was to determine the role of periplakin during lung injury and remodeling in a mouse model of lung fibrosis induced by bleomycin. We found that periplakin expression was downregulated in the whole lung and in alveolar epithelial cells following bleomycin-induced injury. Deletion of the Ppl gene in mice improved survival and reduced lung fibrosis development after bleomycin-induced injury. Notably, Ppl deletion promoted an antiinflammatory alveolar environment linked to profound changes in type 2 alveolar epithelial cells, including overexpression of antiinflammatory cytokines, decreased expression of profibrotic mediators, and altered cell signaling with a reduced response to TGF-β1. These results identify periplakin as a previously unidentified regulator of the response to injury in the lung.
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Affiliation(s)
| | | | | | | | | | - Martin Kolb
- Department of Medecine, Firestone Institute for respiratory Health, McMaster University and The Research Institute of St. Joe's Hamilton, Hamilton, Canada
| | | | - Lynne A Murray
- MedImmune Ltd, Granta Park, Cambridgeshire, United Kingdom.,Respiratory, Inflammation, Autoimmunity (RIA) IMED Biotech unit, AstraZeneca, Gothenburg, Sweden
| | | | - Bruno Crestani
- INSERM U1152, Paris, France.,Université Paris Diderot, LABEX INFLAMEX, Paris, France.,Assistance Publique-Hôpitaux de Paris, DHU FIRE, Hôpital Bichat, Paris, France
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31
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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: 57] [Impact Index Per Article: 9.5] [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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32
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Gupta D, Grant DM, Zakir Hossain KM, Ahmed I, Sottile V. Role of geometrical cues in bone marrow-derived mesenchymal stem cell survival, growth and osteogenic differentiation. J Biomater Appl 2017; 32:906-919. [DOI: 10.1177/0885328217745699] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dhanak Gupta
- Wolfson Centre for Stem Cells, Tissue Engineering and Modelling (STEM), School of Medicine, University of Nottingham, Nottingham, UK
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, UK
| | - David M Grant
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, UK
| | - Kazi M Zakir Hossain
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, UK
| | - Ifty Ahmed
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, UK
| | - Virginie Sottile
- Wolfson Centre for Stem Cells, Tissue Engineering and Modelling (STEM), School of Medicine, University of Nottingham, Nottingham, UK
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33
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Overhydroxylation of Lysine of Collagen Increases Uterine Fibroids Proliferation: Roles of Lysyl Hydroxylases, Lysyl Oxidases, and Matrix Metalloproteinases. BIOMED RESEARCH INTERNATIONAL 2017; 2017:5316845. [PMID: 29082249 PMCID: PMC5610812 DOI: 10.1155/2017/5316845] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 07/20/2017] [Indexed: 11/23/2022]
Abstract
The role of the extracellular matrix (ECM) in uterine fibroids (UF) has recently been appreciated. Overhydroxylation of lysine residues and the subsequent formation of hydroxylysylpyridinoline (HP) and lysylpyridinoline (LP) cross-links underlie the ECM stiffness and profoundly affect tumor progression. The aim of the current study was to investigate the relationship between ECM of UF, collagen and collagen cross-linking enzymes [lysyl hydroxylases (LH) and lysyl oxidases (LOX)], and the development and progression of UF. Our results indicated that hydroxyl lysine (Hyl) and HP cross-links are significantly higher in UF compared to the normal myometrial tissues accompanied by increased expression of LH (LH2b) and LOX. Also, increased resistance to matrix metalloproteinases (MMP) proteolytic degradation activity was observed. Furthermore, the extent of collagen cross-links was positively correlated with the expression of myofibroblast marker (α-SMA), growth-promoting markers (PCNA; pERK1/2; FAKpY397; Ki-67; and Cyclin D1), and the size of UF. In conclusion, our study defines the role of overhydroxylation of collagen and collagen cross-linking enzymes in modulating UF cell proliferation, differentiation, and resistance to MMP. These effects can establish microenvironment conducive for UF progression and thus represent potential target treatment options of UF.
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34
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Cissell DD, Link JM, Hu JC, Athanasiou KA. A Modified Hydroxyproline Assay Based on Hydrochloric Acid in Ehrlich's Solution Accurately Measures Tissue Collagen Content. Tissue Eng Part C Methods 2017; 23:243-250. [PMID: 28406755 DOI: 10.1089/ten.tec.2017.0018] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Collagen quantification has long been relevant to biomedical research and clinical practice to characterize tissues and determine disease states. The hydroxyproline assay, while a broadly employed method of quantifying collagen, uses perchloric acid to dissolve Ehrlich's reagent. Since perchloric acid poses occupational safety hazards and high costs, in this study, a new hydroxyproline assay was developed that replaces perchloric acid with a relatively safer and cheaper alternative, hydrochloric acid (HCl). To validate this biochemical technique, first, using either acid to dissolve Ehrlich's reagent, the assays were completed for native and engineered collagenous tissues. No statistical differences were identified between the assays (p = 0.32). Subsequently, both biochemical techniques were compared to amino acid analysis, considered a proteomics gold standard. Interestingly, utilizing HCl in lieu of perchloric acid yielded greater concordance with amino acid analysis (ρc = 0.980) than did the traditional assay (ρc = 0.947); that is, the HCl-based assay more closely estimates hydroxyproline content, and, consequently, true collagen content. Thus, using Ehrlich's reagent containing HCl in the hydroxyproline assay represents an advance in both mitigating laboratory safety hazards and improving biochemical collagen quantification.
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Affiliation(s)
- Derek D Cissell
- 1 Department of Surgical and Radiological Sciences, University of California , Davis, California
| | - Jarrett M Link
- 2 Department of Biomedical Engineering, University of California , Davis, California
| | - Jerry C Hu
- 2 Department of Biomedical Engineering, University of California , Davis, California
| | - Kyriacos A Athanasiou
- 2 Department of Biomedical Engineering, University of California , Davis, California.,3 Department of Orthopedic Surgery, University of California , Davis, California
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35
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Delgado LM, Fuller K, Zeugolis DI. * Collagen Cross-Linking: Biophysical, Biochemical, and Biological Response Analysis. Tissue Eng Part A 2017; 23:1064-1077. [PMID: 28071973 DOI: 10.1089/ten.tea.2016.0415] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Extracted forms of collagen are subjected to chemical cross-linking to enhance their stability. However, traditional cross-linking approaches are associated with toxicity and inflammation. This work investigates the stabilization capacity, cytotoxicity and inflammatory response of collagen scaffolds cross-linked with glutaraldehyde (GTA), 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide, 4-arm polyethylene glycol (PEG) succinimidyl glutarate (4SP), genipin (GEN), and oleuropein. Although all cross-linking methods reduced free amine groups, variable data were obtained with respect to denaturation temperature, resistance to collagenase digestion, and mechanical properties. With respect to biological analysis, fibroblast cultures showed no significant difference between the treatments. Although direct cultures with human-derived leukemic monocyte cells (THP-1) clearly demonstrated the cytotoxic effect of GTA, THP-1 cultures supplemented with conditioned medium from the various groups showed no significant difference between the treatments. With respect to cytokine profile, no significant difference in secretion of proinflammatory (e.g., interleukin [IL]-1β, IL-8, tumor necrosis factor-α) and anti-inflammatory (e.g., vascular endothelial growth factor) cytokines was observed between the noncross-linked and the 4SP and GEN cross-linked groups, suggesting the suitability of these agents as collagen cross-linkers.
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Affiliation(s)
- Luis M Delgado
- 1 Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway) , Galway, Ireland .,2 Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway) , Galway, Ireland
| | - Kieran Fuller
- 1 Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway) , Galway, Ireland .,2 Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway) , Galway, Ireland
| | - Dimitrios I Zeugolis
- 1 Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway) , Galway, Ireland .,2 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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Nicolaus C, Junghanns S, Hartmann A, Murillo R, Ganzera M, Merfort I. In vitro studies to evaluate the wound healing properties of Calendula officinalis extracts. JOURNAL OF ETHNOPHARMACOLOGY 2017; 196:94-103. [PMID: 27956358 DOI: 10.1016/j.jep.2016.12.006] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 11/14/2016] [Accepted: 12/07/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Calendula officinalis (pot marigold) flower extracts have a long-lasting tradition in ethnopharmacology. Currently, the European Medicines Agency (EMA) has approved its lipophilic and aqueous alcoholic extracts as traditional medicinal products for the treatment of minor inflammation of the skin and as an aid in the healing of minor wounds. AIM OF THE STUDY The purpose of this study was to analyse the molecular mechanism of the wound healing effects of Calendula extracts, which may reflect the phytomedicines currently used in the market. MATERIALS AND METHODS The effect of three different extracts from Calendula flowers (n-hexanic, ethanolic, aqueous) on the inflammatory phase of wound healing was studied in human immortalized keratinocytes and human dermal fibroblasts. An electrophoretic mobility shift assay on NF-κB-DNA binding, qRT-PCR and ELISA experiments were performed. The effect of Calendula extracts on the new tissue formation phase of wound healing was evaluated by studying the migratory properties of these extracts, triterpene mixtures and single compounds in human immortalized keratinocytes using the scratch assay. Finally, the effect of the extracts on the formation of granulation tissue in wound healing was studied using bacterial collagenase isolated from Clostridium histolyticum and the determination of soluble collagen in the supernatant of human dermal fibroblasts. RESULTS The n-hexanic and the ethanolic extracts from Calendula flowers influence the inflammatory phase by activating the transcription factor NF-κB and by increasing the amount of the chemokine IL-8, both at the transcriptional and protein level, in human immortalized keratinocytes. The migration of the keratinocytes during the new tissue formation phase was only marginally influenced in the scratch assay. However, it can be assumed that the granulation tissue was affected, as the ethanolic extract inhibited the activity of collagenase in vitro and enhanced the amount of collagen in the supernatant of human dermal fibroblasts. CONCLUSIONS Our results contribute to a better understanding of the wound healing properties of the traditional medicinal plant Calendula officinalis. However, further studies are necessary to evaluate which of its known constituents are responsible for these effects. Triterpenes seem to play only a marginal role, but carotene and xanthophyll derivatives should garner more attention in future studies.
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Affiliation(s)
- Christoph Nicolaus
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Biology and Biotechnology, University of Freiburg, Stefan-Meier-Strasse 19, D-79104 Freiburg, Germany
| | - Susanne Junghanns
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Biology and Biotechnology, University of Freiburg, Stefan-Meier-Strasse 19, D-79104 Freiburg, Germany
| | - Anja Hartmann
- Institute of Pharmacy, Pharmacognosy, University of Innsbruck, Innrain 80-82/IV, A-6020 Innsbruck, Austria
| | - Renato Murillo
- Escuela de Quimica and CIPRONA, Universidad de Costa Rica, 2060 San Jose, Costa Rica
| | - Markus Ganzera
- Institute of Pharmacy, Pharmacognosy, University of Innsbruck, Innrain 80-82/IV, A-6020 Innsbruck, Austria
| | - Irmgard Merfort
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Biology and Biotechnology, University of Freiburg, Stefan-Meier-Strasse 19, D-79104 Freiburg, Germany.
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Coentro JQ, Capella-Monsonís H, Graceffa V, Wu Z, Mullen AM, Raghunath M, Zeugolis DI. Collagen Quantification in Tissue Specimens. Methods Mol Biol 2017; 1627:341-350. [PMID: 28836212 DOI: 10.1007/978-1-4939-7113-8_22] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Collagen is the major extracellular protein in mammals. Accurate quantification of collagen is essential in the biomaterials (e.g., reproducible collagen scaffold fabrication), drug discovery (e.g., assessment of collagen in pathophysiologies, such as fibrosis), and tissue engineering (e.g., quantification of cell-synthesized collagen) fields. Although measuring hydroxyproline content is the most widely used method to quantify collagen in biological specimens, the process is very laborious. To this end, the Sircol™ Collagen Assay is widely used due to its inherent simplicity and convenience. However, this method leads to overestimation of collagen content due to the interaction of Sirius red with basic amino acids of non-collagenous proteins. Herein, we describe the addition of an ultrafiltration purification step in the process to accurately determine collagen content in tissues.
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Affiliation(s)
- João Quintas Coentro
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway, Galway, Ireland
- Science Foundation Ireland Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | - Héctor Capella-Monsonís
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway, Galway, Ireland
- Science Foundation Ireland Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | - Valeria Graceffa
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway, Galway, Ireland
- Science Foundation Ireland Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | - Zhuning Wu
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway, Galway, Ireland
- Science Foundation Ireland Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland
| | | | - Michael Raghunath
- Centre for Cell Biology & Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland Galway, Galway, Ireland.
- Science Foundation Ireland Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Galway, Ireland.
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Bardou O, Menou A, François C, Duitman JW, von der Thüsen JH, Borie R, Sales KU, Mutze K, Castier Y, Sage E, Liu L, Bugge TH, Fairlie DP, Königshoff M, Crestani B, Borensztajn KS. Membrane-anchored Serine Protease Matriptase Is a Trigger of Pulmonary Fibrogenesis. Am J Respir Crit Care Med 2016; 193:847-60. [PMID: 26599507 DOI: 10.1164/rccm.201502-0299oc] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
RATIONALE Idiopathic pulmonary fibrosis (IPF) is a devastating disease that remains refractory to current therapies. OBJECTIVES To characterize the expression and activity of the membrane-anchored serine protease matriptase in IPF in humans and unravel its potential role in human and experimental pulmonary fibrogenesis. METHODS Matriptase expression was assessed in tissue specimens from patients with IPF versus control subjects using quantitative reverse transcriptase-polymerase chain reaction, immunohistochemistry, and Western blotting, while matriptase activity was monitored by fluorogenic substrate cleavage. Matriptase-induced fibroproliferative responses and the receptor involved were characterized in human primary pulmonary fibroblasts by Western blot, viability, and migration assays. In the murine model of bleomycin-induced pulmonary fibrosis, the consequences of matriptase depletion, either by using the pharmacological inhibitor camostat mesilate (CM), or by genetic down-regulation using matriptase hypomorphic mice, were characterized by quantification of secreted collagen and immunostainings. MEASUREMENTS AND MAIN RESULTS Matriptase expression and activity were up-regulated in IPF and bleomycin-induced pulmonary fibrosis. In cultured human pulmonary fibroblasts, matriptase expression was significantly induced by transforming growth factor-β. Furthermore, matriptase elicited signaling via protease-activated receptor-2 (PAR-2), and promoted fibroblast activation, proliferation, and migration. In the experimental bleomycin model, matriptase depletion, by the pharmacological inhibitor CM or by genetic down-regulation, diminished lung injury, collagen production, and transforming growth factor-β expression and signaling. CONCLUSIONS These results implicate increased matriptase expression and activity in the pathogenesis of pulmonary fibrosis in human IPF and in an experimental mouse model. Overall, targeting matriptase, or treatment by CM, which is already in clinical use for other diseases, may represent potential therapies for IPF.
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Affiliation(s)
- Olivier Bardou
- 1 Inserm UMR1152, Medical School Xavier Bichat, Paris, France.,2 Université Paris Diderot, Sorbonne Paris Cité, Département Hospitalo-universitaire FIRE (Fibrosis, Inflammation and Remodeling) and LabEx Inflamex, Paris, France
| | - Awen Menou
- 1 Inserm UMR1152, Medical School Xavier Bichat, Paris, France.,2 Université Paris Diderot, Sorbonne Paris Cité, Département Hospitalo-universitaire FIRE (Fibrosis, Inflammation and Remodeling) and LabEx Inflamex, Paris, France
| | - Charlène François
- 1 Inserm UMR1152, Medical School Xavier Bichat, Paris, France.,2 Université Paris Diderot, Sorbonne Paris Cité, Département Hospitalo-universitaire FIRE (Fibrosis, Inflammation and Remodeling) and LabEx Inflamex, Paris, France
| | - Jan Willem Duitman
- 3 Center for Experimental and Molecular Medicine, Academic Medical Center, Amsterdam, the Netherlands
| | | | - Raphaël Borie
- 2 Université Paris Diderot, Sorbonne Paris Cité, Département Hospitalo-universitaire FIRE (Fibrosis, Inflammation and Remodeling) and LabEx Inflamex, Paris, France.,5 Assistance Publique-Hôpitaux de Paris, Department of Pulmonology A, Competence Center for Rare Lung Diseases, Bichat-Claude Bernard University Hospital, Paris, France
| | - Katiuchia Uzzun Sales
- 6 Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland.,7 Department of Cell and Molecular Biology, Ribeirão Preto School of Medicine, University of São Paulo Ribeirão Preto, São Paulo, Brazil
| | - Kathrin Mutze
- 8 Member of the German Center of Lung Research, Comprehensive Pneumology Center, University Hospital, Ludwig-Maximilians University, Helmholtz Zentrum München, Munich, Germany
| | - Yves Castier
- 9 Assistance Publique-Hôpitaux de Paris, Department of Vascular and Thoracic Surgery, Bichat-Claude Bernard University Hospital, Denis Diderot University and Medical School Paris VII, France
| | - Edouard Sage
- 10 Department of Thoracic Surgery and Lung Transplantation, Hôpital Foch, Suresnes, France; and
| | - Ligong Liu
- 11 Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland, Australia
| | - Thomas H Bugge
- 6 Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland
| | - David P Fairlie
- 11 Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland, Australia
| | - Mélanie Königshoff
- 8 Member of the German Center of Lung Research, Comprehensive Pneumology Center, University Hospital, Ludwig-Maximilians University, Helmholtz Zentrum München, Munich, Germany
| | - Bruno Crestani
- 1 Inserm UMR1152, Medical School Xavier Bichat, Paris, France.,2 Université Paris Diderot, Sorbonne Paris Cité, Département Hospitalo-universitaire FIRE (Fibrosis, Inflammation and Remodeling) and LabEx Inflamex, Paris, France.,5 Assistance Publique-Hôpitaux de Paris, Department of Pulmonology A, Competence Center for Rare Lung Diseases, Bichat-Claude Bernard University Hospital, Paris, France
| | - Keren S Borensztajn
- 1 Inserm UMR1152, Medical School Xavier Bichat, Paris, France.,2 Université Paris Diderot, Sorbonne Paris Cité, Département Hospitalo-universitaire FIRE (Fibrosis, Inflammation and Remodeling) and LabEx Inflamex, Paris, France
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The collagen type I segment long spacing (SLS) and fibrillar forms: Formation by ATP and sulphonated diazo dyes. Micron 2016; 86:36-47. [PMID: 27162200 DOI: 10.1016/j.micron.2016.04.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 04/10/2016] [Accepted: 04/27/2016] [Indexed: 11/23/2022]
Abstract
The collagen type I segment long spacing (SLS) crystallite is a well-ordered rod-like molecular aggregate, ∼300nm in length, which is produced in vitro under mildly acidic conditions (pH 2.5-3.5) in the presence of 1mM ATP. The formation of the SLS crystallite amplifies the inherent linear structural features of individual collagen heterotrimers, due to the punctate linear distribution and summation of the bulkier amino acid side chains along the length of individual collagen heterotrimers. This can be correlated structurally with the 67nm D-banded collagen fibril that is found in vivo, and formed in vitro. Although first described many years ago, the range of conditions required for ATP-induced SLS crystallite formation from acid-soluble collagen have not been explored extensively. Consequently, we have addressed biochemical parameters such as the ATP concentration, pH, speed of formation and stability so as to provide a more complete structural understanding of the SLS crystallite. Treatment of collagen type I with 1mM ATP at neutral and higher pH (6.0-9.0) also induced the formation of D-banded fibrils. Contrary to previous studies, we have shown that the polysulphonated diazo dyes Direct red (Sirius red) and Evans blue, but not Congo red and Methyl blue, can also induce the formation of SLS-like aggregates of collagen, but under markedly different ionic conditions to those employed in the presence of ATP. Specifically, pre-formed D-banded collagen fibrils, prepared in a higher than the usual physiological NaCl concentration (e.g. 500mM NaCl, 20mM Tris-HCl pH7.4 or x3 PBS), readily form SLS aggregates when treated with 0.1mM Direct red and Evans blue, but this did not occur at lower NaCl concentrations. These new data are discussed in relation to the anion (Cl(-)) and polyanion (phosphate and sulphonate) binding by the collagen heterotrimer and their likely role in collagen fibrillogenesis and SLS formation.
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Ahsani M, Yegani R. Study on the fouling behavior of silica nanocomposite modified polypropylene membrane in purification of collagen protein. Chem Eng Res Des 2015. [DOI: 10.1016/j.cherd.2015.06.035] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Kim YM, Huh JS, Lim Y, Cho M. Soy Isoflavone Glycitin (4'-Hydroxy-6-Methoxyisoflavone-7-D-Glucoside) Promotes Human Dermal Fibroblast Cell Proliferation and Migration via TGF-β Signaling. Phytother Res 2015; 29:757-69. [PMID: 25758427 DOI: 10.1002/ptr.5313] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 12/22/2014] [Accepted: 01/28/2015] [Indexed: 12/21/2022]
Abstract
Glycitin is a soy isoflavone that exhibits antioxidant, antiallergic, and anti-osteoporosis activities. We investigated the effects of glycitin on dermal fibroblast proliferation and migration. Treatment of primary dermal fibroblasts with glycitin increased cell proliferation and migration. In addition, treatment with 20 μM glycitin for 24 h induced the synthesis of collagen type I and type III at both the mRNA and protein levels. Fibronectin was also increased by 20% after treatment. Matrix metalloproteinase-1 collagenase was decreased in the media after 24-h incubation with glycitin, and the synthesis of transforming growth factor-beta (TGF-β) mRNA increased approximately twofold in cells following glycitin treatment. Phosphorylation of Smad2 and Smad3 increased after 1 h of glycitin treatment, and phosphorylation continued for 24 h. Furthermore, the phosphorylated form of AKT was increased in glycitin-treated cells after 3 h and remained higher for 24 h. Thus, glycitin treatment produces anti-aging effects including increased total collagen in the culture media, decreased elastase, and decreased β-galactosidase. Together, these results indicate that glycitin stimulates TGF-β secretion, and the subsequent autocrine actions of TGF-β induce proliferation of fibroblasts, ultimately protecting skin cells from aging and wrinkling.
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Affiliation(s)
- Young Mee Kim
- Department of Medicine, School of Medicine, Jeju National University, Jeju, Korea, 690-756
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42
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Preparation, characterization and fouling analysis of ZnO/polyethylene hybrid membranes for collagen separation. Chem Eng Res Des 2015. [DOI: 10.1016/j.cherd.2014.08.017] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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43
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Jafarzadeh Y, Yegani R. Analysis of fouling mechanisms in TiO2 embedded high density polyethylene membranes for collagen separation. Chem Eng Res Des 2015. [DOI: 10.1016/j.cherd.2014.06.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Boda SK, Thrivikraman G, Basu B. Magnetic field assisted stem cell differentiation – role of substrate magnetization in osteogenesis. J Mater Chem B 2015; 3:3150-3168. [DOI: 10.1039/c5tb00118h] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Substrate magnetization as a tool for modulating the osteogenesis of human mesenchymal stem cells for bone tissue engineering applications.
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Affiliation(s)
- Sunil Kumar Boda
- Laboratory for Biomaterials
- Materials Research Centre
- Indian Institute of Science
- Bangalore – 560012
- India
| | - Greeshma Thrivikraman
- Laboratory for Biomaterials
- Materials Research Centre
- Indian Institute of Science
- Bangalore – 560012
- India
| | - Bikramjit Basu
- Laboratory for Biomaterials
- Materials Research Centre
- Indian Institute of Science
- Bangalore – 560012
- India
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Chung EJ, Hudak K, Horton JA, White A, Scroggins BT, Vaswani S, Citrin D. Transforming growth factor alpha is a critical mediator of radiation lung injury. Radiat Res 2014; 182:350-62. [PMID: 25117621 DOI: 10.1667/rr13625.1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Radiation fibrosis of the lung is a late toxicity of thoracic irradiation. Epidermal growth factor (EGF) signaling has previously been implicated in radiation lung injury. We hypothesized that TGF-α, an EGF receptor ligand, plays a key role in radiation-induced fibrosis in lung. Mice deficient in transforming growth factor (TGF-α(-/-)) and control C57Bl/6J (C57-WT) mice were exposed to thoracic irradiation in 5 daily fractions of 6 Gy. Cohorts of mice were followed for survival (n ≥ 5 per group) and tissue collection (n = 3 per strain and time point). Collagen accumulation in irradiated lungs was assessed by Masson's trichrome staining and analysis of hydroxyproline content. Cytokine levels in lung tissue were assessed with ELISA. The effects of TGF-α on pneumocyte and fibroblast proliferation and collagen production were analyzed in vitro. Lysyl oxidase (LOX) expression and activity were measured in vitro and in vivo. Irradiated C57-WT mice had a median survival of 24.4 weeks compared to 48.2 weeks for irradiated TGF-α(-/-) mice (P = 0.001). At 20 weeks after irradiation, hydroxyproline content was markedly increased in C57-WT mice exposed to radiation compared to TGF-α(-/-) mice exposed to radiation or unirradiated C57-WT mice (63.0, 30.5 and 37.6 μg/lung, respectively, P = 0.01). C57-WT mice exposed to radiation had dense foci of subpleural fibrosis at 20 weeks after exposure, whereas the lungs of irradiated TGF-α (-/-) mice were largely devoid of fibrotic foci. Lung tissue concentrations of IL-1β, IL-4, TNF-α, TGF-β and EGF at multiple time points after irradiation were similar in C57-WT and TGF-α(-/-) mice. TGF-α in lung tissue of C57-WT mice rose rapidly after irradiation and remained elevated through 20 weeks. TGF-α(-/-) mice had lower basal LOX expression than C57-WT mice. Both LOX expression and LOX activity were increased after irradiation in all mice but to a lesser degree in TGF-α(-/-) mice. Treatment of NIH-3T3 fibroblasts with TGF-α resulted in increases in proliferation, collagen production and LOX activity. These studies identify TGF-α as a critical mediator of radiation-induced lung injury and a novel therapeutic target in this setting. Further, these data implicate TGF-α as a mediator of collagen maturation through a TGF-β independent activation of lysyl oxidase.
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Affiliation(s)
- Eun Joo Chung
- Radiation Oncology Branch, Center for Cancer Research, National Institutes of Health, Bethesda, Maryland
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Horton JA, Hudak KE, Chung EJ, White AO, Scroggins BT, Burkeen JF, Citrin DE. Mesenchymal stem cells inhibit cutaneous radiation-induced fibrosis by suppressing chronic inflammation. Stem Cells 2014; 31:2231-41. [PMID: 23897677 DOI: 10.1002/stem.1483] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Revised: 06/05/2013] [Accepted: 06/18/2013] [Indexed: 12/16/2022]
Abstract
Exposure to ionizing radiation (IR) can result in the development of cutaneous fibrosis, for which few therapeutic options exist. We tested the hypothesis that bone marrow-derived mesenchymal stem cells (BMSC) would favorably alter the progression of IR-induced fibrosis. We found that a systemic infusion of BMSC from syngeneic or allogeneic donors reduced skin contracture, thickening, and collagen deposition in a murine model. Transcriptional profiling with a fibrosis-targeted assay demonstrated increased expression of interleukin-10 (IL-10) and decreased expression of IL-1β in the irradiated skin of mice 14 days after receiving BMSC. Similarly, immunoassay studies demonstrated durable alteration of these and several additional inflammatory mediators. Immunohistochemical studies revealed a reduction in infiltration of proinflammatory classically activated CD80(+) macrophages and increased numbers of anti-inflammatory regulatory CD163(+) macrophages in irradiated skin of BMSC-treated mice. In vitro coculture experiments confirmed that BMSC induce expression of IL-10 by activated macrophages, suggesting polarization toward a regulatory phenotype. Furthermore, we demonstrated that tumor necrosis factor-receptor 2 (TNF-R2) mediates IL-10 production and transition toward a regulatory phenotype during coculture with BMSC. Taken together, these data demonstrate that systemic infusion of BMSC can durably alter the progression of radiation-induced fibrosis by altering macrophage phenotype and suppressing local inflammation in a TNF-R2-dependent fashion.
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Affiliation(s)
- Jason A Horton
- Radiation Oncology Branch, National Cancer Institute, Bethesda, Maryland, USA
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Amplified and selective assay of collagens by enzymatic and fluorescent reactions. Sci Rep 2014; 4:4950. [PMID: 24821501 PMCID: PMC4018762 DOI: 10.1038/srep04950] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Accepted: 04/25/2014] [Indexed: 02/07/2023] Open
Abstract
Sensitive and selective assay of collagen is of substantial importance to the diagnostic study of health- and aging-related failures. In this paper, we describe a highly specific and sensitive method for the assay of whole collagens in biological samples using a novel fluorogenic reagent, 3,4-dihydroxyphenylacetic acid (3,4-DHPAA). The 3,4-DHPAA reagent can selectively detect N-terminal Gly-containing peptides (NGPs) in the presence of sodium borate and NaIO4. Under conditions optimized, this assay format for collagen, termed 3,4-DHPAA assay method showed a good linear relationship between the amplified FL signals and the collagen concentrations from 0.18 to 12 μg/ml. Therefore the sensitive determination of intracellular collagens in cheek tissue and HeLa cells was individually possible without any separation protocol. The dual recognitions of the collagens in the samples could be performed by the enzymatic digestion and the FL reaction. The proposed assay method enables the determination facile, specific, sensitive and quantitative for biogenic collagens.
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Tsubouchi H, Yanagi S, Miura A, Iizuka S, Mogami S, Yamada C, Hattori T, Nakazato M. Rikkunshito ameliorates bleomycin-induced acute lung injury in a ghrelin-independent manner. Am J Physiol Lung Cell Mol Physiol 2014; 306:L233-45. [DOI: 10.1152/ajplung.00096.2013] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Acute lung injury (ALI) is a critical syndrome consisting of acute respiratory failure associated with extensive pulmonary infiltrates. The pathological characterization of ALI includes injuries of alveolar epithelial cells (AECs), alveolar neutrophilic infiltration, and increases in proinflammatory cytokines, which cause destruction of the alveolar capillary barrier and subsequent devastating lung fibrosis. Rikkunshito (RKT), a traditional Japanese herbal medicine, is widely used for the treatment of patients with gastrointestinal symptoms and is known to stimulate ghrelin secretion. The therapeutic effects of RKT on organ inflammation and fibrosis remain unknown. We investigated the pharmacological potential of RKT in the treatment of ALI by using a bleomycin-induced ALI model in mice. RKT or distilled water (DW) was given to mice daily starting 12 h after bleomycin administration. The RKT-treated mice showed a definitively higher survival rate than the DW-treated mice after injury. They also had smaller reductions in body weight and food intake. The amelioration of neutrophil alveolar infiltration, pulmonary vascular permeability, induction of proinflammatory cytokines, activation of the NF-κB pathway, apoptosis of AECs, and subsequent lung fibrosis were notable in the RKT-treated mice. RKT administration increased the plasma ghrelin levels in wild-type mice, and it also mitigated the ALI response in both ghrelin-deficient mice and growth hormone secretagogue receptor-deficient mice after lung injury. Our results indicate that RKT administration exerts protective effects against ALI by protecting the AECs and regulating lung inflammation independently of the ghrelin system, and they highlight RKT as a promising therapeutic agent for the management of this intractable disease.
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Affiliation(s)
- Hironobu Tsubouchi
- Division of Neurology, Respirology, Endocrinology and Metabolism, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki, Japan; and
| | - Shigehisa Yanagi
- Division of Neurology, Respirology, Endocrinology and Metabolism, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki, Japan; and
| | - Ayako Miura
- Division of Neurology, Respirology, Endocrinology and Metabolism, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki, Japan; and
| | - Seiichi Iizuka
- Tsumura Research Laboratories, Tsumura, Ami-machi, Inashiki-gun, Ibaraki, Japan
| | - Sachiko Mogami
- Tsumura Research Laboratories, Tsumura, Ami-machi, Inashiki-gun, Ibaraki, Japan
| | - Chihiro Yamada
- Tsumura Research Laboratories, Tsumura, Ami-machi, Inashiki-gun, Ibaraki, Japan
| | - Tomohisa Hattori
- Tsumura Research Laboratories, Tsumura, Ami-machi, Inashiki-gun, Ibaraki, Japan
| | - Masamitsu Nakazato
- Division of Neurology, Respirology, Endocrinology and Metabolism, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki, Japan; and
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Luzina IG, Kopach P, Lockatell V, Kang PH, Nagarsekar A, Burke AP, Hasday JD, Todd NW, Atamas SP. Interleukin-33 potentiates bleomycin-induced lung injury. Am J Respir Cell Mol Biol 2014; 49:999-1008. [PMID: 23837438 DOI: 10.1165/rcmb.2013-0093oc] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The mechanisms of interstitial lung disease (ILD) remain incompletely understood, although recent observations have suggested an important contribution by IL-33. Substantial elevations in IL-33 expression were found in the lungs of patients with idiopathic pulmonary fibrosis and scleroderma lung disease, as well as in the bleomycin injury mouse model. Most of the observed IL-33 expression was intracellular and intranuclear, suggesting involvement of the full-length (fl) protein, but not of the proteolytically processed mature IL-33 cytokine. The effects of flIL-33 on mouse lungs were assessed independently and in combination with bleomycin injury, using recombinant adenovirus-mediated gene delivery. Bleomycin-induced changes were not affected by gene deficiency of the IL-33 receptor T1/ST2. Combined flIL-33 expression and bleomycin injury exerted a synergistic effect on pulmonary lymphocyte and collagen accumulation, which could be explained by synergistic regulation of the cytokines transforming growth factor-β, IL-6, monocyte chemotactic protein-1, macrophage inflammatory protein\x{2013}1α, and tumor necrosis factor-α. By contrast, no increase in the levels of the Th2 cytokines IL-4, IL-5, or IL-13 was evident. Moreover, flIL-33 was found to increase the expression of several heat shock proteins (HSPs) significantly, and in particular HSP70, which is known to be associated with ILD. Thus, flIL-33 is a synergistic proinflammatory and profibrotic regulator that acts by stimulating the expression of several non-Th2 cytokines, and activates the expression of HSP70.
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Affiliation(s)
- Irina G Luzina
- 1 Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Maryland School of Medicine, Baltimore; and
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Horton JA, Li F, Chung EJ, Hudak K, White A, Krausz K, Gonzalez F, Citrin D. Quercetin inhibits radiation-induced skin fibrosis. Radiat Res 2013; 180:205-15. [PMID: 23819596 DOI: 10.1667/rr3237.1] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Radiation induced fibrosis of the skin is a late toxicity that may result in loss of function due to reduced range of motion and pain. The current study sought to determine if oral delivery of quercetin mitigates radiation-induced cutaneous injury. Female C3H/HeN mice were fed control chow or quercetin-formulated chow (1% by weight). The right hind leg was exposed to 35 Gy of X rays and the mice were followed serially to assess acute toxicity and hind leg extension. Tissue samples were collected for assessment of soluble collagen and tissue cytokines. Human and murine fibroblasts were subjected to clonogenic assays to determine the effects of quercetin on radiation response. Contractility of fibroblasts was assessed with a collagen contraction assay in the presence or absence of quercetin and transforming growth factor-β (TGF-β). Western blotting of proteins involved in fibroblast contractility and TGF-β signaling were performed. Quercetin treatment significantly reduced hind limb contracture, collagen accumulation and expression of TGF-β in irradiated skin. Quercetin had no effect on the radioresponse of fibroblasts or murine tumors, but was capable of reducing the contractility of fibroblasts in response to TGF-β, an effect that correlated with partial stabilization of phosphorylated cofilin. Quercetin is capable of mitigating radiation induced skin fibrosis and should be further explored as a therapy for radiation fibrosis.
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Affiliation(s)
- Jason A Horton
- Radiation Oncology Branch, National Cancer Institute, Bethesda, Maryland 20892, USA
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