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Jain A, Pontrelli G, McGinty S. Laplace Transform Based Modeling of Drug Delivery with Reversible Drug Binding in a Multilayer Tissue. Pharm Res 2024; 41:1093-1107. [PMID: 38862720 DOI: 10.1007/s11095-024-03711-4] [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: 02/05/2024] [Accepted: 05/01/2024] [Indexed: 06/13/2024]
Abstract
OBJECTIVE Drug delivery from a drug-loaded device into an adjacent tissue is a complicated process involving drug transport through diffusion and advection, coupled with drug binding kinetics responsible for drug uptake in the tissue. This work presents a theoretical model to predict drug delivery from a device into a multilayer tissue, assuming linear reversible drug binding in the tissue layers. METHODS The governing mass conservation equations based on diffusion, advection and drug binding in a multilayer cylindrical geometry are written, and solved using Laplace transformation. The model is used to understand the impact of various non-dimensional parameters on the amounts of bound and unbound drug concentrations as functions of time. RESULTS Good agreement for special cases considered in past work is demonstrated. The effect of forward and reverse binding reaction rates on the multilayer drug binding process is studied in detail. The effect of the nature of the external boundary condition on drug binding and drug loss is also studied. For typical parameter values, results indicate that only a small fraction of drug delivered binds in the tissue. Additionally, the amount of bound drug rises rapidly with time due to early dominance of the forward reaction, reaches a maxima and then decays due to the reverse reaction. CONCLUSIONS The general model presented here can account for other possible effects such as drug absorption within the device. Besides generalizing past work on drug delivery modeling, this work also offers analytical tools to understand and optimize practical drug delivery devices.
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Affiliation(s)
- Ankur Jain
- Mechanical and Aerospace Engineering Department, University of Texas at Arlington, 500 W First St, Rm 211, Arlington, TX, 76019, USA.
| | - Giuseppe Pontrelli
- Istituto per le Applicazioni del Calcolo - CNR, Via dei Taurini 19, 00185, Rome, Italy
| | - Sean McGinty
- Division of Biomedical Engineering, University of Glasgow, Glasgow, UK
- Glasgow Computational Engineering Centre, University of Glasgow, Glasgow, UK
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2
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Li M, Liu Z, Shen Z, Han L, Wang J, Sang S. A heparin-functionalized bioink with sustained delivery of vascular endothelial growth factor for 3D bioprinting of prevascularized dermal constructs. Int J Biol Macromol 2024; 262:130075. [PMID: 38340924 DOI: 10.1016/j.ijbiomac.2024.130075] [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: 07/31/2023] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Skin tissue engineering faces challenges due to the absence of vascular architecture, impeding the development of permanent skin replacements. To address this, a heparin-functionalized 3D-printed bioink (GH/HepMA) was formulated to enable sustained delivery of vascular endothelial growth factor (VEGF), comprising 0.3 % (w/v) hyaluronic acid (HA), 10 % (w/v) gelatin methacrylate (GelMA), and 0.5 % (w/v) heparin methacrylate (HepMA). The bioink was then used to print dermal constructs with angiogenic functions, including fibroblast networks and human umbilical vein endothelial cell (HUVEC) networks. GH/HepMA, with its covalently cross-linked structure, exhibits enhanced mechanical properties and heparin stability, allowing for a 21-day sustained delivery of VEGF. Cytocompatibility experiments showed that the GH/HepMA bioink supported fibroblast proliferation and promoted collagen I production. With VEGF present, the GH/HepMA bioink promoted HUVEC proliferation, migration, as well as the formation of a richer capillary-like network. Furthermore, HA within the GH/HepMA bioink enhanced rheological properties and printability. Additionally, 3D-bioprinted dermal constructs showed significant deposition of collagen I and III and mature stable capillary-like structures along the axial direction. In summary, this study offers a promising approach for constructing biomimetic multicellular skin substitutes with angiogenesis-induced functions.
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Affiliation(s)
- Meng Li
- Shanxi Key Laboratory of Micro Nano Sensors & Artificial Intelligence Perception, College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Zixian Liu
- Shanxi Key Laboratory of Micro Nano Sensors & Artificial Intelligence Perception, College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Zhizhong Shen
- Shanxi Key Laboratory of Micro Nano Sensors & Artificial Intelligence Perception, College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Shanxi Research Institute of 6D Artificial Intelligence Biomedical Science, Taiyuan 030031, PR China
| | - Lu Han
- Shanxi Key Laboratory of Micro Nano Sensors & Artificial Intelligence Perception, College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Shanxi Research Institute of 6D Artificial Intelligence Biomedical Science, Taiyuan 030031, PR China
| | - Jianming Wang
- General Hospital of TISCO, North Street, Xinghualing District, Taiyuan 030809, PR China
| | - Shengbo Sang
- Shanxi Key Laboratory of Micro Nano Sensors & Artificial Intelligence Perception, College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Key Lab of Advanced Transducers and Intelligent Control System of the Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, PR China.
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Younes HM, Kadavil H, Ismail HM, Adib SA, Zamani S, Alany RG, Al-Kinani AA. Overview of Tissue Engineering and Drug Delivery Applications of Reactive Electrospinning and Crosslinking Techniques of Polymeric Nanofibers with Highlights on Their Biocompatibility Testing and Regulatory Aspects. Pharmaceutics 2023; 16:32. [PMID: 38258043 PMCID: PMC10818558 DOI: 10.3390/pharmaceutics16010032] [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: 11/13/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024] Open
Abstract
Traditional electrospinning is a promising technique for fabricating nanofibers for tissue engineering and drug delivery applications. The method is highly efficient in producing nanofibers with morphology and porosity similar to the extracellular matrix. Nonetheless, and in many instances, the process has faced several limitations, including weak mechanical strength, large diameter distributions, and scaling-up difficulties of its fabricated electrospun nanofibers. The constraints of the polymer solution's intrinsic properties are primarily responsible for these limitations. Reactive electrospinning constitutes a novel and modified electrospinning techniques developed to overcome those challenges and improve the properties of the fabricated fibers intended for various biomedical applications. This review mainly addresses reactive electrospinning techniques, a relatively new approach for making in situ or post-crosslinked nanofibers. It provides an overview of and discusses the recent literature about chemical and photoreactive electrospinning, their various techniques, their biomedical applications, and FDA regulatory aspects related to their approval and marketing. Another aspect highlighted in this review is the use of crosslinking and reactive electrospinning techniques to enhance the fabricated nanofibers' physicochemical and mechanical properties and make them more biocompatible and tailored for advanced intelligent drug delivery and tissue engineering applications.
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Affiliation(s)
- Husam M. Younes
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
| | - Hana Kadavil
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
| | - Hesham M. Ismail
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
- Charles River Laboratories, Montreal, QC H9X 3R3, Canada
| | - Sandi Ali Adib
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
| | - Somayeh Zamani
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
- Materials Science & Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Raid G. Alany
- School of Pharmacy, The University of Auckland, Auckland 1142, New Zealand; (R.G.A.); (A.A.A.-K.)
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Kingston upon Thames, London KT2 7LB, UK
| | - Ali A. Al-Kinani
- School of Pharmacy, The University of Auckland, Auckland 1142, New Zealand; (R.G.A.); (A.A.A.-K.)
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Itzhar A, Yosef G, Eilon-Ashkenazy M, Shmidov Y, Gil H, Lacham-Hartman S, Elyagon S, Etzion S, Bitton R, Cohen S, Etzion Y, Papo N. Potent inhibition of MMP-9 by a novel sustained-release platform attenuates left ventricular remodeling following myocardial infarction. J Control Release 2023; 364:246-260. [PMID: 37879441 DOI: 10.1016/j.jconrel.2023.10.033] [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: 07/17/2023] [Revised: 10/03/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Sustained drug-release systems prolong the retention of therapeutic drugs within target tissues to alleviate the need for repeated drug administration. Two major caveats of the current systems are that the release rate and the timing cannot be predicted or fine-tuned because they rely on uncontrolled environmental conditions and that the system must be redesigned for each drug and treatment regime because the drug is bound via interactions that are specific to its structure and composition. We present a controlled and universal sustained drug-release system, which comprises minute spherical particles in which a therapeutic protein is affinity-bound to alginate sulfate (AlgS) through one or more short heparin-binding peptide (HBP) sequence repeats. Employing post-myocardial infarction (MI) heart remodeling as a case study, we show that the release of C9-a matrix metalloproteinase-9 (MMP-9) inhibitor protein that we easily bound to AlgS by adding one, two, or three HBP repeats to its sequence-can be directly controlled by modifying the number of HBP repeats. In an in vivo study, we directly injected AlgS particles, which were bound to C9 through three HBP repeats, into the left ventricular myocardium of mice following MI. We found that the particles substantially reduced post-MI remodeling, attesting to the sustained, local release of the drug within the tissue. As the number of HBP repeats controls the rate of drug release from the AlgS particles, and since C9 can be easily replaced with almost any protein, our tunable sustained-release system can readily accommodate a wide range of protein-based treatments.
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Affiliation(s)
- Amit Itzhar
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Gal Yosef
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Maayan Eilon-Ashkenazy
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Yulia Shmidov
- Department of Chemical Engineering and the Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Hadas Gil
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Shiran Lacham-Hartman
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Sigal Elyagon
- Regenerative Medicine and Stem Cell (RMSC) Research Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Department of Physiology and Cell Biology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Sharon Etzion
- Regenerative Medicine and Stem Cell (RMSC) Research Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Ronit Bitton
- Department of Chemical Engineering and the Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Smadar Cohen
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Regenerative Medicine and Stem Cell (RMSC) Research Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Yoram Etzion
- Regenerative Medicine and Stem Cell (RMSC) Research Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Department of Physiology and Cell Biology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
| | - Niv Papo
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel; National Institute of Biotechnology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
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Juneja P, Ruhina Rahman SN, Jakhar D, Mourya AK, Tripathi DM, Kaur I, Tiwari V, Rohilla S, Gupta A, Rawal P, Baweja S, Rastogi A, Naidu V, Sarin SK, Banerjee S, Kaur S. Recombinant VEGF-C (Cys156Ser) improves mesenteric lymphatic drainage and gut immune surveillance in experimental cirrhosis. JHEP Rep 2023; 5:100816. [PMID: 37663117 PMCID: PMC10472308 DOI: 10.1016/j.jhepr.2023.100816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 04/30/2023] [Accepted: 05/24/2023] [Indexed: 09/05/2023] Open
Abstract
Background & Aims Lymphatic vessels (LVs) are crucial for maintaining abdominal fluid homoeostasis and immunity. In cirrhosis, mesenteric LVs (mLVs) are dilated and dysfunctional. Given the established role of vascular endothelial growth factor-C (VEGF-C) in improving LVs, we hypothesised that VEGF-C treatment could ameliorate the functions of mLVs in cirrhosis. Methods In this study, we developed a nanoformulation comprising LV-specific growth factor, recombinant human VEGF-C (Cys156Ser) protein (E-VEGF-C) and delivered it orally in different models of rat cirrhosis to target mLVs. Cirrhotic rats were given nanoformulation without VEGF-C served as vehicles. Drainage of mLVs was analysed using tracer dye. Portal and systemic physiological assessments and computed tomography were performed to measure portal pressures and ascites. Gene expression and permeability of primary mesenteric lymphatic endothelial cells (LyECs) was studied. Immune cells in mesenteric lymph nodes (MLNs) were quantified by flow cytometry. Endogenous and exogenous gut bacterial translocation to MLNs was examined. Results In cirrhotic rats, mLVs were dilated and leaky with impaired drainage. Treatment with E-VEGF-C induced proliferation of mLVs, reduced their diameter, and improved functional drainage. Ascites and portal pressures were significantly reduced in E-VEGF-C rats compared with vehicle rats. In MLNs of E-VEGF-C animals, CD8+CD134+ T cells were increased, whereas CD25+ regulatory T cells were decreased. Both endogenous and exogenous bacterial translocation were limited to MLNs in E-VEGF-C rats with reduced levels of endotoxins in ascites and blood in comparison with those in vehicle rats. E-VEGF-C treatment upregulated the expression of vascular endothelial-cadherin in LyECs and functionally improved the permeability of these cells. Conclusions E-VEGF-C treatment ameliorates mesenteric lymph drainage and portal pressure and strengthens cytotoxic T-cell immunity in MLNs in experimental cirrhosis. It may thus serve as a promising therapy to manage ascites and reduce pathogenic gut bacterial translocation in cirrhosis. Impact and Implications A human recombinant pro-lymphangiogenic growth factor, VEGF-C, was encapsulated in nanolipocarriers (E-VEGF-C) and orally delivered in different models of rat liver cirrhosis to facilitate its gut lymphatic vessel uptake. E-VEGF-C administration significantly increased mesenteric lymphatic vessel proliferation and improved lymph drainage, attenuating abdominal ascites and portal pressures in the animal models. E-VEGF-C treatment limited bacterial translocation to MLNs only with reduced gut bacterial load and ascitic endotoxins. E-VEGF-C therapy thus holds the potential to manage ascites and portal pressure and reduce gut bacterial translocation in patients with cirrhosis.
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Affiliation(s)
- Pinky Juneja
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Syed Nazrin Ruhina Rahman
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, India
| | - Deepika Jakhar
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Akash Kumar Mourya
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Dinesh M. Tripathi
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Impreet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Vaibhav Tiwari
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Sumati Rohilla
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Abhishek Gupta
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Preety Rawal
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Sukriti Baweja
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Archana Rastogi
- Department of Pathology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - V.G.M. Naidu
- Department of Pharmacology and Toxicology, NIPER-Guwahati, Changsari, India
| | - Shiv K. Sarin
- Department of Hepatology, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Subham Banerjee
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, India
| | - Savneet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
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6
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Nicosia A, Salamone M, Costa S, Ragusa MA, Ghersi G. Mimicking Molecular Pathways in the Design of Smart Hydrogels for the Design of Vascularized Engineered Tissues. Int J Mol Sci 2023; 24:12314. [PMID: 37569691 PMCID: PMC10418696 DOI: 10.3390/ijms241512314] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/21/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Biomaterials are pivotal in supporting and guiding vascularization for therapeutic applications. To design effective, bioactive biomaterials, understanding the cellular and molecular processes involved in angiogenesis and vasculogenesis is crucial. Biomaterial platforms can replicate the interactions between cells, the ECM, and the signaling molecules that trigger blood vessel formation. Hydrogels, with their soft and hydrated properties resembling natural tissues, are widely utilized; particularly synthetic hydrogels, known for their bio-inertness and precise control over cell-material interactions, are utilized. Naturally derived and synthetic hydrogel bases are tailored with specific mechanical properties, controlled for biodegradation, and enhanced for cell adhesion, appropriate biochemical signaling, and architectural features that facilitate the assembly and tubulogenesis of vascular cells. This comprehensive review showcases the latest advancements in hydrogel materials and innovative design modifications aimed at effectively guiding and supporting vascularization processes. Furthermore, by leveraging this knowledge, researchers can advance biomaterial design, which will enable precise support and guidance of vascularization processes and ultimately enhance tissue functionality and therapeutic outcomes.
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Affiliation(s)
- Aldo Nicosia
- Institute for Biomedical Research and Innovation-National Research Council (IRIB-CNR), Via Ugo la Malfa 153, 90146 Palermo, Italy;
| | - Monica Salamone
- Institute for Biomedical Research and Innovation-National Research Council (IRIB-CNR), Via Ugo la Malfa 153, 90146 Palermo, Italy;
| | - Salvatore Costa
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (S.C.); (M.A.R.); (G.G.)
| | - Maria Antonietta Ragusa
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (S.C.); (M.A.R.); (G.G.)
| | - Giulio Ghersi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy; (S.C.); (M.A.R.); (G.G.)
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Meng R, Zhu H, Deng P, Li M, Ji Q, He H, Jin L, Wang B. Research progress on albumin-based hydrogels: Properties, preparation methods, types and its application for antitumor-drug delivery and tissue engineering. Front Bioeng Biotechnol 2023; 11:1137145. [PMID: 37113668 PMCID: PMC10127125 DOI: 10.3389/fbioe.2023.1137145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/29/2023] [Indexed: 04/29/2023] Open
Abstract
Albumin is derived from blood plasma and is the most abundant protein in blood plasma, which has good mechanical properties, biocompatibility and degradability, so albumin is an ideal biomaterial for biomedical applications, and drug-carriers based on albumin can better reduce the cytotoxicity of drug. Currently, there are numerous reviews summarizing the research progress on drug-loaded albumin molecules or nanoparticles. In comparison, the study of albumin-based hydrogels is a relatively small area of research, and few articles have systematically summarized the research progress of albumin-based hydrogels, especially for drug delivery and tissue engineering. Thus, this review summarizes the functional features and preparation methods of albumin-based hydrogels, different types of albumin-based hydrogels and their applications in antitumor drugs, tissue regeneration engineering, etc. Also, potential directions for future research on albumin-based hydrogels are discussed.
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Affiliation(s)
- Run Meng
- Key Laboratory of Biorheological Science and Technology, Department of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Huimin Zhu
- Sheyang County Comprehensive Inspection and Testing Center, Yancheng, China
| | - Peiying Deng
- Key Laboratory of Biorheological Science and Technology, Department of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Minghui Li
- Key Laboratory of Biorheological Science and Technology, Department of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Qingzhi Ji
- School of Pharmacy, Yancheng Teachers’ University, Yancheng, China
| | - Hao He
- Key Laboratory of Biorheological Science and Technology, Department of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Liang Jin
- Key Laboratory of Biorheological Science and Technology, Department of Education, College of Bioengineering, Chongqing University, Chongqing, China
- *Correspondence: Liang Jin, ; Bochu Wang,
| | - Bochu Wang
- Key Laboratory of Biorheological Science and Technology, Department of Education, College of Bioengineering, Chongqing University, Chongqing, China
- *Correspondence: Liang Jin, ; Bochu Wang,
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8
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Chen X, Gao CY, Chu XY, Zheng CY, Luan YY, He X, Yang K, Zhang DL. VEGF-Loaded Heparinised Gelatine-Hydroxyapatite-Tricalcium Phosphate Scaffold Accelerates Bone Regeneration via Enhancing Osteogenesis-Angiogenesis Coupling. Front Bioeng Biotechnol 2022; 10:915181. [PMID: 35757798 PMCID: PMC9216719 DOI: 10.3389/fbioe.2022.915181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/06/2022] [Indexed: 01/02/2023] Open
Abstract
Background: Bone tissue defect, one of the common orthopaedicdiseases, is traumatizing and affects patient’s lifestyle. Although autologous and xenograft bone transplantations are performed in bone tissue engineering, clinical development of bone transplantation is limited because ofvarious factors, such as varying degrees of immune rejection, lack of bone sources, and secondary damage to bone harvesting. Methods: We synthesised a heparinised gelatine-hydroxyapatite-tricalcium phosphate (HG-HA-TCP) scaffold loaded with sustained-release vascular endothelial growth factor (VEGF) analysed their structure, mechanical properties, and biocompatibility. Additionally, the effects of HG-HA-TCP (VEGF) scaffolds on osteogenic differentiation and vascularisation of stem cells from human exfoliated deciduous teeth (SHED) in vitro and bone regeneration in vivo were investigated. Results: HG-HA-TCP scaffold possessed good pore structure, mechanical properties, and biocompatibility. HG-HA-TCP scaffold loaded with VEGF could effectively promote SHED proliferation, migration, and adhesion. Moreover, HG-HA-TCP (VEGF) scaffold increased the expression of osteogenesis- and angiogenesis-related genes and promoted osteogenic differentiation and vascularisation in cells. In vivo results demonstrated that VEGF-loaded HG-HA-TCP scaffold improved new bone regeneration and enhanced bone mineral density, revealed byhistological, micro-CT and histochemical straining analyses. Osteogenic and angiogenic abilities of the three biological scaffolds wereranked as follows: HG-HA-TCP (VEGF) > G-HA-TCP (VEGF) > G-HA-TCP. Conclusion: HG-HA-TCP (VEGF) scaffold with good biocompatibility could create an encouraging osteogenic microenvironment that could accelerate vessel formation and osteogenesis, providing an effective scaffold for bone tissue engineering and developing new clinical treatment strategies for bone tissue defects.
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Affiliation(s)
- Xu Chen
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University School of Stomatology, Capital Medical University, Beijing, China.,Department of Stomatology, Eighth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chun-Yan Gao
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University School of Stomatology, Capital Medical University, Beijing, China
| | - Xiao-Yang Chu
- Department of Stomatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chun-Yan Zheng
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University School of Stomatology, Capital Medical University, Beijing, China
| | - Ying-Yi Luan
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Xin He
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University School of Stomatology, Capital Medical University, Beijing, China
| | - Kai Yang
- Prenatal Diagnosis Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Dong-Liang Zhang
- Department of Orthodontics, Beijing Stomatological Hospital, Capital Medical University School of Stomatology, Capital Medical University, Beijing, China
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9
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Alavarse AC, Frachini ECG, da Silva RLCG, Lima VH, Shavandi A, Petri DFS. Crosslinkers for polysaccharides and proteins: Synthesis conditions, mechanisms, and crosslinking efficiency, a review. Int J Biol Macromol 2022; 202:558-596. [PMID: 35038469 DOI: 10.1016/j.ijbiomac.2022.01.029] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/20/2021] [Accepted: 01/06/2022] [Indexed: 01/16/2023]
Abstract
Polysaccharides and proteins are important macromolecules for developing hydrogels devoted to biomedical applications. Chemical hydrogels offer chemical, mechanical, and dimensional stability than physical hydrogels due to the chemical bonds among the chains mediated by crosslinkers. There are many crosslinkers to synthesize polysaccharides and proteins based on hydrogels. In this review, we revisited the crosslinking reaction mechanisms between synthetic or natural crosslinkers and polysaccharides or proteins. The selected synthetic crosslinkers were glutaraldehyde, carbodiimide, boric acid, sodium trimetaphosphate, N,N'-methylene bisacrylamide, and polycarboxylic acid, whereas the selected natural crosslinkers included transglutaminase, tyrosinase, horseradish peroxidase, laccase, sortase A, genipin, vanillin, tannic acid, and phytic acid. No less important are the reactions involving click chemistry and the macromolecular crosslinkers for polysaccharides and proteins. Literature examples of polysaccharides or proteins crosslinked by the different strategies were presented along with the corresponding highlights. The general mechanism involved in chemical crosslinking mediated by gamma and UV radiation was discussed, with particular attention to materials commonly used in digital light processing. The evaluation of crosslinking efficiency by gravimetric measurements, rheology, and spectroscopic techniques was presented. Finally, we presented the challenges and opportunities to create safe chemical hydrogels for biomedical applications.
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Affiliation(s)
- Alex Carvalho Alavarse
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | - Emilli Caroline Garcia Frachini
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | | | - Vitoria Hashimoto Lima
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium
| | - Denise Freitas Siqueira Petri
- Fundamental Chemistry Department, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil.
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10
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Towards Induction of Angiogenesis in Dental Pulp Stem Cells Using Chitosan-Based Hydrogels Releasing Basic Fibroblast Growth Factor. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5401461. [PMID: 35198635 PMCID: PMC8860569 DOI: 10.1155/2022/5401461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/26/2021] [Accepted: 01/19/2022] [Indexed: 11/17/2022]
Abstract
Introduction. Chitosan is a natural biopolymer that attracted enormous attention in biomedical fields. The main components of regenerative endodontic procedures (REPs), as well as tissue engineering, are scaffolds, stem cells, and growth factors. As one of the basic factors in the REPs is maintaining vascularization, this study was aimed at developing basic fibroblast growth factor- (bFGF-) loaded scaffolds and investigating their effects on the angiogenic induction in human dental pulp stem cells (hDPSCs). Methods. Poly (ε-caprolactone) (PCL)/chitosan- (CS-) based highly porous scaffold (PCL/CS) was prepared and evaluated by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) analyses. The adhesion and survival potency of seeded cells were assessed by SEM and MTT assays, respectively. The amount of angiogenic markers was investigated in gene and protein levels by real-time PCR and western blotting assays, respectively. Results. Based on our findings, the SEM and FTIR tests confirmed the appropriate structure of synthesized scaffolds. Besides, the adhesion and survival rate of cells and the levels of VEGFR-2, Tie2, and Angiopoietin-1 genes were increased significantly in the PCL/CS/bFGF group. Also, the western blotting results showed the upregulation of these markers at protein levels, which were considerably higher at the PCL/CS/bFGF group (
). Conclusions. On a more general note, this study demonstrates that the bFGF-loaded PCL/CS scaffolds have the potential to promote angiogenesis of hDPSCs, which could provide vitality of dentin-pulp complex as the initial required factor for regenerative endodontic procedures.
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11
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Pearson JJ, Temenoff JS. Growth Factor Immobilization Strategies for Musculoskeletal Disorders. Curr Osteoporos Rep 2022; 20:13-25. [PMID: 35118607 PMCID: PMC10772941 DOI: 10.1007/s11914-022-00718-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/22/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE OF REVIEW Tissue regenerative solutions for musculoskeletal disorders have become increasingly important with a growing aged population. Current growth factor treatments often require high dosages with the potential for off-target effects. Growth factor immobilization strategies offer approaches towards alleviating these concerns. This review summarizes current growth factor immobilization techniques (encapsulation, affinity interactions, and covalent binding) and the effects of immobilization on growth factor loading, release, and bioactivity. RECENT FINDINGS The breadth of immobilization techniques based on encapsulation, affinity, and covalent binding offer multiple methods to improve the therapeutic efficacy of growth factors by controlling bioactivity and release. Growth factor immobilization strategies have evolved to more complex systems with the capacity to load and release multiple growth factors with spatiotemporal control. The advancements in immobilization strategies allow for development of new, complex musculoskeletal tissue treatment strategies with improved spatiotemporal control of loading, release, and bioactivity.
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Affiliation(s)
- Joseph J Pearson
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, GA, 30332, USA
| | - Johnna S Temenoff
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, GA, 30332, USA.
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, Atlanta, GA, 30332, USA.
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12
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Controlled Release in Hydrogels Using DNA Nanotechnology. Biomedicines 2022; 10:biomedicines10020213. [PMID: 35203423 PMCID: PMC8869372 DOI: 10.3390/biomedicines10020213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/13/2022] [Accepted: 01/16/2022] [Indexed: 12/22/2022] Open
Abstract
Gelatin is a biopolymer widely used to synthesize hydrogels for biomedical applications, such as tissue engineering and bioinks for 3D bioprinting. However, as with other biopolymer-based hydrogels, gelatin-hydrogels do not allow precise temporal control of the biomolecule distribution to mimic biological signals involved in biological mechanisms. Leveraging DNA nanotechnology tools to develop a responsive controlled release system via strand displacement has demonstrated the ability to encode logic process, which would enable a more sophisticated design for controlled release. However, this unique and dynamic system has not yet been incorporated within any hydrogels to create a complete release circuit mechanism that closely resembles the sequential distribution of biomolecules observed in the native environment. Here, we designed and synthesized versatile multi-arm DNA motifs that can be easily conjugated within a gelatin hydrogel via click chemistry to incorporate a strand displacement circuit. After validating the incorporation and showing the increased stability of DNA motifs against degradation once embedded in the hydrogel, we demonstrated the ability of our system to release multiple model cargos with temporal specificity by the addition of the trigger strands specific to each cargo. Additionally, we were able to modulate the rate and quantity of cargo release by tuning the sequence of the trigger strands.
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13
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Basiri H, Mohseni SS, Abouei Mehrizi A, Rajabnejadkeleshteri A, Ghaee A, Farokhi M, Kumacheva E. Composite Microgels for Imaging-Monitored Tracking of the Delivery of Vascular Endothelial Growth Factor to Ischemic Muscles. Biomacromolecules 2021; 22:5162-5172. [PMID: 34793119 DOI: 10.1021/acs.biomac.1c01116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Monitoring the supply of vascular endothelial growth factor (VEGF) to ischemic tissues provides information on its biodistribution and delivery to meet the requirements of therapeutic angiogenesis and tissue engineering applications. We herein report the use of microfluidically generated microgels containing VEGF-conjugated fluorescent carbon dots (CDs) (VEGF-CDs), a gelatin-phenol conjugate, and silk fibroin for imaging-monitored tracking of VEGF delivery to ischemic muscles. An in vitro release study and a bioactivity assay indicated that the VEGF-CDs were released in a sustained manner with high bioactivity. The microgels showed a high angiogenesis potential, along with a strong fluorescent signal, for the chicken chorioallantoic membrane and chick embryo. Imaging and studies of therapeutic modalities of the composite microgels indicated their effective localization in ischemic tissues and sustained VEGF release, which resulted in enhanced therapeutic angiogenesis of ischemic muscles. This work reveals the success of using VEGF-loaded composite polymer microgels for efficient and monitored VEGF delivery by intramuscular administration for ischemic disease treatment.
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Affiliation(s)
- Hamideh Basiri
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14174, Iran.,Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto M5S 3H6, Ontario, Canada
| | - Seyed Sepehr Mohseni
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14174, Iran
| | - Ali Abouei Mehrizi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14174, Iran
| | - Alireza Rajabnejadkeleshteri
- Biomaterials Group, Faculty of Biomedical Engineering (Center of Excellence), Amirkabir University of Technology, Tehran 1591634311, Iran
| | - Azadeh Ghaee
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 14174, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran 1316943551, Iran
| | - Eugenia Kumacheva
- Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto M5S 3H6, Ontario, Canada.,Institute of Biomaterials and Biomedical Engineering, University of Toronto, 4 Taddle Creek Road, Toronto M5S 3G9, Ontario, Canada.,Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto M5S3E5, Ontario, Canada
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14
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Roy T, James BD, Allen JB. Anti-VEGF-R2 Aptamer and RGD Peptide Synergize in a Bifunctional Hydrogel for Enhanced Angiogenic Potential. Macromol Biosci 2021; 21:e2000337. [PMID: 33191671 PMCID: PMC7880904 DOI: 10.1002/mabi.202000337] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/15/2020] [Indexed: 12/14/2022]
Abstract
Hydrogels have gained interest for use in tissue regeneration and wound healing because of their absorbing and swelling properties as well as their ability to mimic the natural extracellular matrix. Their use in wound healing specifically may be in the form of a patch or wound dressing or they may be administered within the wound bed as a filler, gel in situ, to promote healing. Thiolated hyaluronic acid-polyethylene diacrylate (tHA-PEGDA) hydrogels are ideal for this purpose due to their short gelation times at physiological temperature and pH. But these hydrogels alone are not enough and require added components to gain bioactivity. In this work, RGD adhesion peptides and an antivascular endothelial growth factor receptor-2 (VEGF-R2) DNA aptamer are incorporated into a tHA-PEGDA hydrogel to make a bifunctional hyaluronic acid hydrogel. RGD peptides promote attachment and growth of cells while the anti-VEGF-R2 DNA aptamer seems to improve cell viability, induce cell migration, and spur the onset of angiogenesis by tube formation by endothelial cells. This bifunctional hydrogel supports cell culture and has improved biological properties. The data suggest that these hydrogels can be used for advanced tissue regeneration applications such as in wound healing.
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Affiliation(s)
- Tanaya Roy
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, 32611, USA
| | - Bryan D James
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, 32611, USA
| | - Josephine B Allen
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, 32611, USA
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15
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Claaßen C, Dannecker M, Grübel J, Kotzampasi ME, Tovar GEM, Stanzel BV, Borchers K. The choice of biopolymer is crucial to trigger angiogenesis with vascular endothelial growth factor releasing coatings. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:93. [PMID: 33108503 PMCID: PMC7591429 DOI: 10.1007/s10856-020-06424-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 09/07/2020] [Indexed: 05/09/2023]
Abstract
Bio-based coatings and release systems for pro-angiogenic growth factors are of interest to overcome insufficient vascularization and bio-integration of implants. This study compares different biopolymer-based coatings on polyethylene terephthalate (PET) membranes in terms of coating homogeneity and stability, coating thickness in the swollen state, endothelial cell adhesion, vascular endothelial growth factor (VEGF) release and pro-angiogenic properties. Coatings consisted of carbodiimide cross-linked gelatin type A (GelA), type B (GelB) or albumin (Alb), and heparin (Hep), or they consisted of radically cross-linked gelatin methacryloyl-acetyl (GM5A5) and heparin methacrylate (HepM5). We prepared films with thicknesses of 8-10 µm and found that all coatings were homogeneous after washing. All gelatin-based coatings enhanced the adhesion of primary human endothelial cells compared to the uncoated membrane. The VEGF release was tunable with the loading concentration and dependent on the isoelectric points and hydrophilicities of the biopolymers used for coating: GelA-Hep showed the highest releases, while releases were indistinguishable for GelB-Hep and Alb-Hep, and lowest for GM5A5-HepM5. Interestingly, not only the amount of VEGF released from the coatings determined whether angiogenesis was induced, but a combination of VEGF release, metabolic activity and adhesion of endothelial cells. VEGF releasing GelA-Hep and GelB-Hep coatings induced angiogenesis in a chorioallantoic membrane assay, so that these coatings should be considered for further in vivo testing.
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Affiliation(s)
- Christiane Claaßen
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Miriam Dannecker
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Jana Grübel
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Maria-Elli Kotzampasi
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany.
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany.
| | - Boris V Stanzel
- Department of Ophthalmology, University of Bonn, Ernst-Abbe-Str. 2, 53127, Bonn, Germany
- Augenklinik Sulzbach, Knappschaftsklinikum Saar, An der Klinik 10, 66280, Sulzbach, Germany
- Fraunhofer Institute for Biomedical Engineering IBMT, Joseph-von-Fraunhofer-Weg 1, 66280, Sulzbach/Saar, Germany
| | - Kirsten Borchers
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
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16
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Palomino-Durand C, Lopez M, Marchandise P, Martel B, Blanchemain N, Chai F. Chitosan/Polycyclodextrin (CHT/PCD)-Based Sponges Delivering VEGF to Enhance Angiogenesis for Bone Regeneration. Pharmaceutics 2020; 12:pharmaceutics12090784. [PMID: 32825081 PMCID: PMC7557476 DOI: 10.3390/pharmaceutics12090784] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/11/2020] [Accepted: 08/15/2020] [Indexed: 02/07/2023] Open
Abstract
Vascularization is one of the main challenges in bone tissue engineering (BTE). In this study, vascular endothelial growth factor (VEGF), known for its angiogenic effect, was delivered by our developed sponge, derived from a polyelectrolyte complexes hydrogel between chitosan (CHT) and anionic cyclodextrin polymer (PCD). This sponge, as a scaffold for growth factor delivery, was formed by freeze-drying a homogeneous CHT/PCD hydrogel, and thereafter stabilized by a thermal treatment. Microstructure, water-uptake, biodegradation, mechanical properties, and cytocompatibility of sponges were assessed. VEGF-delivery following incubation in medium was then evaluated by monitoring the VEGF-release profile and its bioactivity. CHT/PCD sponge showed a porous (open porosity of 87.5%) interconnected microstructure with pores of different sizes (an average pore size of 153 μm), a slow biodegradation (12% till 21 days), a high water-uptake capacity (~600% in 2 h), an elastic property under compression (elastic modulus of compression 256 ± 4 kPa), and a good cytocompatibility in contact with osteoblast and endothelial cells. The kinetic release of VEGF was found to exert a pro-proliferation and a pro-migration effect on endothelial cells, which are two important processes during scaffold vascularization. Hence, CHT/PCD sponges were promising vehicles for the delivery of growth factors in BTE.
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Affiliation(s)
- Carla Palomino-Durand
- U1008 Controlled Drug Delivery Systems and Biomaterials, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Régional Universitaire de Lille (CHU Lille), University of Lille, 59000 Lille, France; (C.P.-D.); (M.L.); (N.B.)
| | - Marco Lopez
- U1008 Controlled Drug Delivery Systems and Biomaterials, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Régional Universitaire de Lille (CHU Lille), University of Lille, 59000 Lille, France; (C.P.-D.); (M.L.); (N.B.)
| | - Pierre Marchandise
- ULR 4490–MABLab–Adiposité Médullaire et Os, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Régional Universitaire de Lille (CHU Lille), University of Lille, 59000 Lille, France;
- ULR 4490–MABLab–Adiposité Médullaire et Os, Univ. Littoral Côte d’Opale, 62200 Boulogne-sur-Mer, France
| | - Bernard Martel
- UMR 8207, UMET—Unité Matériaux et Transformations, Centre National de la Recherche Scientifique (CNRS), Institut National de la Recherche Agronomique (INRA), Ecole Nationale Supérieure de Chimie de Lille (ENSCL), University of Lille, 59655 Lille, France;
| | - Nicolas Blanchemain
- U1008 Controlled Drug Delivery Systems and Biomaterials, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Régional Universitaire de Lille (CHU Lille), University of Lille, 59000 Lille, France; (C.P.-D.); (M.L.); (N.B.)
| | - Feng Chai
- U1008 Controlled Drug Delivery Systems and Biomaterials, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Régional Universitaire de Lille (CHU Lille), University of Lille, 59000 Lille, France; (C.P.-D.); (M.L.); (N.B.)
- Correspondence: ; Tel.: +33-320-626-997
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17
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Ahmed E, Saleh T, Yu L, Song SH, Park KM, Kwak HH, Woo HM. Decellularized extracellular matrix-rich hydrogel-silver nanoparticle mixture as a potential treatment for acute liver failure model. J Biomed Mater Res A 2020; 108:2351-2367. [PMID: 32415903 DOI: 10.1002/jbm.a.36988] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 03/27/2020] [Accepted: 04/04/2020] [Indexed: 12/13/2022]
Abstract
Acute liver failure (ALF) occurs due to severe liver damage that triggers rapid loss of normal liver function. Here, we investigate the usefulness of an injectable liver extracellular matrix (LECM)-rich hydrogel generated from an optimized decellularization protocol incorporated with silver nanoparticles (AgNPs) as a promising therapy for ALF. First, we optimized a non-destructive protocol for rat liver decellularization to obtain ECM-rich well-preserved scaffold. Then, LECM hydrogel generated from two commonly used decellularization protocols were compared by LECM hydrogel obtained from our optimized protocol. The ALF model was induced by an intraperitoneal (IP) thioacetamide (TAA) injection followed by the IP injection of LECM hydrogel, collagen-AgNP mixture, or LECM hydrogel-AgNP mixture. LECM-rich scaffold and hydrogel were successfully obtained using our optimized decellularization protocol. Use of the LECM hydrogel-AgNP mixture to treat TAA-induced ALF greatly improved liver injury and histological liver regeneration. Interleukin-6 and transforming growth factor-beta expressions were significantly reduced, while albumin, hepatocyte growth factor, and Ki67-positive cells were highly expressed. Moreover, aspartate transaminase and alanine transaminase plasma levels and liver homogenate nitric oxide level were significantly lowered. In conclusion, the LECM hydrogel-AgNP mixture has potential efficient therapeutic and regenerative effects on TAA-induced liver injury.
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Affiliation(s)
- Ebtehal Ahmed
- Department of Veterinary Science, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Republic of South Korea
| | - Tarek Saleh
- Department of Veterinary Science, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Republic of South Korea
| | - Lina Yu
- Department of Veterinary Science, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Republic of South Korea
| | - Su-Hyeon Song
- Department of Veterinary Science, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Republic of South Korea
| | - Kyung-Mee Park
- College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of South Korea
| | - Ho-Hyun Kwak
- Department of Veterinary Science, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Republic of South Korea
| | - Heung-Myong Woo
- Department of Veterinary Science, College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon, Republic of South Korea
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18
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Poly(ethylene glycol)-based biofunctional hydrogels mediated by peroxidase-catalyzed cross-linking reactions. Polym J 2020. [DOI: 10.1038/s41428-020-0344-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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van den Boomen M, Kause HB, van Assen HC, Dankers PYW, Bouten CVC, Vandoorne K. Triple-marker cardiac MRI detects sequential tissue changes of healing myocardium after a hydrogel-based therapy. Sci Rep 2019; 9:19366. [PMID: 31852978 PMCID: PMC6920418 DOI: 10.1038/s41598-019-55864-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 12/03/2019] [Indexed: 12/31/2022] Open
Abstract
Regenerative therapies based on injectable biomaterials, hold an unparalleled potential for treating myocardial ischemia. Yet, noninvasive evaluation of their efficacy has been lagging behind. Here, we report the development and longitudinal application of multiparametric cardiac magnetic resonance imaging (MRI) to evaluate a hydrogel-based cardiac regenerative therapy. A pH-switchable hydrogel was loaded with slow releasing insulin growth factor 1 and vascular endothelial growth factor, followed by intramyocardial injection in a mouse model of ischemia reperfusion injury. Longitudinal cardiac MRI assessed three hallmarks of cardiac regeneration: angiogenesis, resolution of fibrosis and (re)muscularization after infarction. The multiparametric approach contained dynamic contrast enhanced MRI that measured improved vessel features by assessing fractional blood volume and permeability*surface area product, T1-mapping that displayed reduced fibrosis, and tagging MRI that showed improved regional myocardial strain in hydrogel treated infarcts. Finally, standard volumetric MRI demonstrated improved left ventricular functioning in hydrogel treated mice followed over time. Histology confirmed MR-based vessel features and fibrotic measurements. Our novel triple-marker strategy enabled detection of ameliorated regeneration in hydrogel treated hearts highlighting the translational potential of these longitudinal MRI approaches.
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Affiliation(s)
- Maaike van den Boomen
- Department of Biomedical Engineering, Cell-Matrix Interaction for Cardiovascular Tissue Regeneration, Eindhoven University of Technology, Eindhoven, The Netherlands
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, United States
| | - Hanne B Kause
- Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Hans C van Assen
- Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Patricia Y W Dankers
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Department of Biomedical Engineering, Laboratory of Chemical Biology, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Cell-Matrix Interaction for Cardiovascular Tissue Regeneration, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Katrien Vandoorne
- Department of Biomedical Engineering, Cell-Matrix Interaction for Cardiovascular Tissue Regeneration, Eindhoven University of Technology, Eindhoven, The Netherlands.
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20
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Hachim D, Whittaker TE, Kim H, Stevens MM. Glycosaminoglycan-based biomaterials for growth factor and cytokine delivery: Making the right choices. J Control Release 2019; 313:131-147. [PMID: 31629041 PMCID: PMC6900262 DOI: 10.1016/j.jconrel.2019.10.018] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 12/21/2022]
Abstract
Controlled, localized drug delivery is a long-standing goal of medical research, realization of which could reduce the harmful side-effects of drugs and allow more effective treatment of wounds, cancers, organ damage and other diseases. This is particularly the case for protein "drugs" and other therapeutic biological cargoes, which can be challenging to deliver effectively by conventional systemic administration. However, developing biocompatible materials that can sequester large quantities of protein and release them in a sustained and controlled manner has proven challenging. Glycosaminoglycans (GAGs) represent a promising class of bio-derived materials that possess these key properties and can additionally potentially enhance the biological effects of the delivered protein. They are a diverse group of linear polysaccharides with varied functionalities and suitabilities for different cargoes. However, most investigations so far have focused on a relatively small subset of GAGs - particularly heparin, a readily available, promiscuously-binding GAG. There is emerging evidence that for many applications other GAGs are in fact more suitable for regulated and sustained delivery. In this review, we aim to illuminate the beneficial properties of various GAGs with reference to specific protein cargoes, and to provide guidelines for informed choice of GAGs for therapeutic applications.
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Affiliation(s)
- Daniel Hachim
- Department of Materials, Imperial College London, London, SW7 2AZ, United Kingdom; Department of Bioengineering, Imperial College London, London, SW7 2AZ, United Kingdom; Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, United Kingdom
| | - Thomas E Whittaker
- Department of Materials, Imperial College London, London, SW7 2AZ, United Kingdom; Department of Bioengineering, Imperial College London, London, SW7 2AZ, United Kingdom; Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, United Kingdom
| | - Hyemin Kim
- Department of Materials, Imperial College London, London, SW7 2AZ, United Kingdom; Department of Bioengineering, Imperial College London, London, SW7 2AZ, United Kingdom; Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, United Kingdom
| | - Molly M Stevens
- Department of Materials, Imperial College London, London, SW7 2AZ, United Kingdom; Department of Bioengineering, Imperial College London, London, SW7 2AZ, United Kingdom; Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ, United Kingdom.
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21
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Campiglio CE, Contessi Negrini N, Farè S, Draghi L. Cross-Linking Strategies for Electrospun Gelatin Scaffolds. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2476. [PMID: 31382665 PMCID: PMC6695673 DOI: 10.3390/ma12152476] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 07/30/2019] [Accepted: 08/02/2019] [Indexed: 01/02/2023]
Abstract
Electrospinning is an exceptional technology to fabricate sub-micrometric fiber scaffolds for regenerative medicine applications and to mimic the morphology and the chemistry of the natural extracellular matrix (ECM). Although most synthetic and natural polymers can be electrospun, gelatin frequently represents a material of choice due to the presence of cell-interactive motifs, its wide availability, low cost, easy processability, and biodegradability. However, cross-linking is required to stabilize the structure of the electrospun matrices and avoid gelatin dissolution at body temperature. Different physical and chemical cross-linking protocols have been described to improve electrospun gelatin stability and to preserve the morphological fibrous arrangement of the electrospun gelatin scaffolds. Here, we review the main current strategies. For each method, the cross-linking mechanism and its efficiency, the influence of electrospinning parameters, and the resulting fiber morphology are considered. The main drawbacks as well as the open challenges are also discussed.
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Affiliation(s)
- Chiara Emma Campiglio
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Nicola Contessi Negrini
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Silvia Farè
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Lorenza Draghi
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy.
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy.
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22
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Expanding the Range of Available Isoelectric Points of Highly Methacryloylated Gelatin. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201900097] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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23
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Ramadhan W, Kagawa G, Hamada Y, Moriyama K, Wakabayashi R, Minamihata K, Goto M, Kamiya N. Enzymatically Prepared Dual Functionalized Hydrogels with Gelatin and Heparin To Facilitate Cellular Attachment and Proliferation. ACS APPLIED BIO MATERIALS 2019; 2:2600-2609. [DOI: 10.1021/acsabm.9b00275] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wahyu Ramadhan
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Genki Kagawa
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Yusei Hamada
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Kousuke Moriyama
- Department of Chemical and Biological Engineering, Sasebo National College of Technology, Okishin-cho, Sasebo, Nagasaki 857−1193, Japan
| | - Rie Wakabayashi
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
- Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
- Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
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24
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Rebers L, Granse T, Tovar GEM, Southan A, Borchers K. Physical Interactions Strengthen Chemical Gelatin Methacryloyl Gels. Gels 2019; 5:E4. [PMID: 30678141 PMCID: PMC6473781 DOI: 10.3390/gels5010004] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/10/2019] [Accepted: 01/12/2019] [Indexed: 12/26/2022] Open
Abstract
Chemically cross-linkable gelatin methacryloyl (GM) derivatives are getting increasing attention regarding biomedical applications. Thus, thorough investigations are needed to achieve full understanding and control of the physico-chemical behavior of these promising biomaterials. We previously introduced gelatin methacryloyl acetyl (GMA) derivatives, which can be used to control physical network formation (solution viscosity, sol-gel transition) independently from chemical cross-linking by variation of the methacryloyl-to-acetyl ratio. It is known that temperature dependent physical network formation significantly influences the mechanical properties of chemically cross-linked GM hydrogels. We investigated the temperature sensitivity of GM derivatives with different degrees of modification (GM2, GM10), or similar degrees of modification but different methacryloyl contents (GM10, GM2A8). Rheological analysis showed that the low modified GM2 forms strong physical gels upon cooling while GM10 and GM2A8 form soft or no gels. Yet, compression testing revealed that all photo cross-linked GM(A) hydrogels were stronger if cooling was applied during hydrogel preparation. We suggest that the hydrophobic methacryloyl and acetyl residues disturb triple helix formation with increasing degree of modification, but additionally form hydrophobic structures, which facilitate chemical cross-linking.
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Affiliation(s)
- Lisa Rebers
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569 Stuttgart, Germany.
| | - Tobias Granse
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569 Stuttgart, Germany.
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569 Stuttgart, Germany.
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569 Stuttgart, Germany.
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569 Stuttgart, Germany.
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569 Stuttgart, Germany.
| | - Kirsten Borchers
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569 Stuttgart, Germany.
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569 Stuttgart, Germany.
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25
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Sewald L, Claaßen C, Götz T, Claaßen MH, Truffault V, Tovar GEM, Southan A, Borchers K. Beyond the Modification Degree: Impact of Raw Material on Physicochemical Properties of Gelatin Type A and Type B Methacryloyls. Macromol Biosci 2018; 18:e1800168. [DOI: 10.1002/mabi.201800168] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 08/24/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Lisa Sewald
- Institute of Interfacial Process Engineering and Plasma Technology IGVPUniversity of Stuttgart Nobelstraße 12 70569 Stuttgart Germany
| | - Christiane Claaßen
- Institute of Interfacial Process Engineering and Plasma Technology IGVPUniversity of Stuttgart Nobelstraße 12 70569 Stuttgart Germany
| | - Tobias Götz
- Institute of Interfacial Process Engineering and Plasma Technology IGVPUniversity of Stuttgart Nobelstraße 12 70569 Stuttgart Germany
| | - Marc H. Claaßen
- Max Planck Institute for Developmental Biology Max‐Planck‐Ring 5 72076 Tübingen Germany
| | - Vincent Truffault
- Max Planck Institute for Developmental Biology Max‐Planck‐Ring 5 72076 Tübingen Germany
| | - Günter E. M. Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVPUniversity of Stuttgart Nobelstraße 12 70569 Stuttgart Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB Nobelstraße 12 70569 Stuttgart Germany
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVPUniversity of Stuttgart Nobelstraße 12 70569 Stuttgart Germany
| | - Kirsten Borchers
- Institute of Interfacial Process Engineering and Plasma Technology IGVPUniversity of Stuttgart Nobelstraße 12 70569 Stuttgart Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB Nobelstraße 12 70569 Stuttgart Germany
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26
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Sackett SD, Tremmel DM, Ma F, Feeney AK, Maguire RM, Brown ME, Zhou Y, Li X, O'Brien C, Li L, Burlingham WJ, Odorico JS. Extracellular matrix scaffold and hydrogel derived from decellularized and delipidized human pancreas. Sci Rep 2018; 8:10452. [PMID: 29993013 PMCID: PMC6041318 DOI: 10.1038/s41598-018-28857-1] [Citation(s) in RCA: 147] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 07/02/2018] [Indexed: 12/21/2022] Open
Abstract
Extracellular matrix (ECM) plays an important developmental role by regulating cell behaviour through structural and biochemical stimulation. Tissue-specific ECM, attained through decellularization, has been proposed in several strategies for tissue and organ replacement. Decellularization of animal pancreata has been reported, but the same methods applied to human pancreas are less effective due to higher lipid content. Moreover, ECM-derived hydrogels can be obtained from many decellularized tissues, but methods have not been reported to obtain human pancreas-derived hydrogel. Using novel decellularization methods with human pancreas we produced an acellular, 3D biological scaffold (hP-ECM) and hydrogel (hP-HG) amenable to tissue culture, transplantation and proteomic applications. The inclusion of a homogenization step in the decellularization protocol significantly improved lipid removal and gelation capability of the resulting ECM, which was capable of gelation at 37 °C in vitro and in vivo, and is cytocompatible with a variety of cell types and islet-like tissues in vitro. Overall, this study demonstrates the characterisation of a novel protocol for the decellularization and delipidization of human pancreatic tissue for the production of acellular ECM and ECM hydrogel suitable for cell culture and transplantation applications. We also report a list of 120 proteins present within the human pancreatic matrisome.
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Affiliation(s)
- Sara Dutton Sackett
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA.
| | - Daniel M Tremmel
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Fengfei Ma
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, 53705, USA
| | - Austin K Feeney
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Rachel M Maguire
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Matthew E Brown
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Ying Zhou
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Xiang Li
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Cori O'Brien
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Lingjun Li
- School of Pharmacy, University of Wisconsin, Madison, Wisconsin, 53705, USA
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin, 53705, USA
| | - William J Burlingham
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
| | - Jon S Odorico
- Division of Transplantation, Department of Surgery, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, 53705, USA
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