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Rakshit P, Giri TK, Mukherjee K. Progresses and perspectives on natural polysaccharide based hydrogels for repair of infarcted myocardium. Int J Biol Macromol 2024; 269:132213. [PMID: 38729464 DOI: 10.1016/j.ijbiomac.2024.132213] [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: 01/31/2024] [Revised: 05/03/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Myocardial infarction (MI) is serious health threat and impairs the quality of life. It is a major causative factor of morbidity and mortality. MI leads to the necrosis of cardio-myocytes, cardiac remodelling and dysfunction, eventually leading to heart failure. The limitations of conventional therapeutic and surgical interventions and lack of heart donors have necessitated the evolution of alternate treatment approaches for MI. Polysaccharide hydrogel based repair of infarcted myocardium have surfaced as viable option for MI treatment. Polysaccharide hydrogels may be injectable hydrogels or cardiac patches. Injectable hydrogels can in situ deliver cells and bio-actives, facilitating in situ cardiac regeneration and repair. Polysaccharide hydrogel cardiac patches reduce cardiac wall stress, and inhibit ventricular expansion and promote angiogenesis. Herein, we discuss about MI pathophysiology and myocardial microenvironment and how polysaccharide hydrogels are designed to mimic and support the microenvironment for cardiac repair. We also put forward the versatility of the different polysaccharide hydrogels in mimicking diverse cardiac properties, and acting as a medium for delivery of cells, and therapeutics for promoting angiogenesis and cardiac repair. The objectives of this review is to summarize the factors leading to MI and to put forward how polysaccharide based hydrogels promote cardiac repair. This review is written to enable researchers understand the factors promoting MI so that they can undertake and design novel hydrogels for cardiac regeneration.
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Affiliation(s)
- Pallabita Rakshit
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Tapan Kumar Giri
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Kaushik Mukherjee
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, West Bengal, India.
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El-Nablaway M, Rashed F, Taher ES, Atia GA, Foda T, Mohammed NA, Abdeen A, Abdo M, Hînda I, Imbrea AM, Taymour N, Ibrahim AM, Atwa AM, Ibrahim SF, Ramadan MM, Dinu S. Bioactive injectable mucoadhesive thermosensitive natural polymeric hydrogels for oral bone and periodontal regeneration. Front Bioeng Biotechnol 2024; 12:1384326. [PMID: 38863491 PMCID: PMC11166210 DOI: 10.3389/fbioe.2024.1384326] [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: 02/09/2024] [Accepted: 04/19/2024] [Indexed: 06/13/2024] Open
Abstract
Periodontitis is an inflammation-related condition, caused by an infectious microbiome and host defense that causes damage to periodontium. The natural processes of the mouth, like saliva production and eating, significantly diminish therapeutic medication residency in the region of periodontal disease. Furthermore, the complexity and diversity of pathological mechanisms make successful periodontitis treatment challenging. As a result, developing enhanced local drug delivery technologies and logical therapy procedures provides the foundation for effective periodontitis treatment. Being biocompatible, biodegradable, and easily administered to the periodontal tissues, hydrogels have sparked substantial an intense curiosity in the discipline of periodontal therapy. The primary objective of hydrogel research has changed in recent years to intelligent thermosensitive hydrogels, that involve local adjustable sol-gel transformations and regulate medication release in reaction to temperature, we present a thorough introduction to the creation and efficient construction of new intelligent thermosensitive hydrogels for periodontal regeneration. We also address cutting-edge smart hydrogel treatment options based on periodontitis pathophysiology. Furthermore, the problems and prospective study objectives are reviewed, with a focus on establishing effective hydrogel delivery methods and prospective clinical applications.
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Affiliation(s)
- Mohammad El-Nablaway
- Department of Medical Biochemistry, Faculty of Medicine, Mansoura University, Mansoura, Egypt
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia
| | - Fatema Rashed
- Department of Basic Medical and Dental Sciences, Faculty of Dentistry, Zarqa University, Zarqa, Jordan
| | - Ehab S. Taher
- Department of Basic Medical and Dental Sciences, Faculty of Dentistry, Zarqa University, Zarqa, Jordan
| | - Gamal A. Atia
- Department of Oral Medicine, Periodontology, and Diagnosis, Faculty of Dentistry, Suez Canal University, Ismailia, Egypt
| | - Tarek Foda
- Oral Health Sciences Department, Temple University’s Kornberg School of Dentistry, Philadelphia, PA, United States
| | - Nourelhuda A. Mohammed
- Physiology and Biochemistry Department, Faculty of Medicine, Mutah University, Al Karak, Jordan
| | - Ahmed Abdeen
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh, Egypt
| | - Mohamed Abdo
- Department of Animal Histology and Anatomy, School of Veterinary Medicine, Badr University in Cairo (BUC), Cairo, Egypt
| | - Ioana Hînda
- Department of Biology, Faculty of Agriculture, University of Life Sciences “King Michael I” from Timișoara, Timișoara, Romania
| | - Ana-Maria Imbrea
- Department of Biotechnology, Faculty of Bioengineering of Animal Resources, University of Life Sciences “King Mihai I” from Timisoara, Timișoara, Romania
| | - Noha Taymour
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Ateya M. Ibrahim
- Department of Administration and Nursing Education, College of Nursing, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
- Department of Family and Community Health Nursing, Faculty of Nursing, Port-Said University, Port Said, Egypt
| | - Ahmed M. Atwa
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Cairo, Egypt
| | - Samah F. Ibrahim
- Department of Internal Medicine, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Mahmoud M. Ramadan
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Stefania Dinu
- Department of Pedodontics, Faculty of Dental Medicine, Victor Babes, University of Medicine and Pharmacy Timisoara, Timisoara, Romania
- Pediatric Dentistry Research Center, Faculty of Dental Medicine, Victor Babes University of Medicine and Pharmacy Timisoara, Timisoara, Romania
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Wang LL, Tuohy S, Xu KL, Nace A, Yang R, Zheng Y, Burdick JA, Cotsarelis G. Local and Sustained Baricitinib Delivery to the Skin through Injectable Hydrogels Containing Reversible Thioimidate Adducts. Adv Healthc Mater 2024; 13:e2303256. [PMID: 38207170 DOI: 10.1002/adhm.202303256] [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: 09/25/2023] [Revised: 11/30/2023] [Indexed: 01/13/2024]
Abstract
Janus kinase (JAK) inhibitors are approved for many dermatologic disorders, but their use is limited by systemic toxicities including serious cardiovascular events and malignancy. To overcome these limitations, injectable hydrogels are engineered for the local and sustained delivery of baricitinib, a representative JAK inhibitor. Hydrogels are formed via disulfide crosslinking of thiolated hyaluronic acid macromers. Dynamic thioimidate bonds are introduced between the thiolated hyaluronic acid and nitrile-containing baricitinib for drug tethering, which is confirmed with 1H and 13C nuclear magnetic resonance (NMR). Release of baricitinib is tunable over six weeks in vitro and active in inhibiting JAK signaling in a cell line containing a luciferase reporter reflecting interferon signaling. For in vivo activity, baricitinib hydrogels or controls are injected intradermally into an imiquimod-induced mouse model of psoriasis. Imiquimod increases epidermal thickness in mice, which is unaffected when treated with baricitinib or hydrogel alone. Treatment with baricitinib hydrogels suppresses the increased epidermal thickness in mice treated with imiquimod, suggesting that the sustained and local release of baricitinib is important for a therapeutic outcome. This study is the first to utilize a thioimidate chemistry to deliver JAK inhibitors to the skin through injectable hydrogels, which has translational potential for treating inflammatory disorders.
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Affiliation(s)
- Leo L Wang
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Spencer Tuohy
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 220 South 33rd Street, 107 Towne Building, Philadelphia, PA, 19104-6391, USA
| | - Karen L Xu
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 220 South 33rd Street, 107 Towne Building, Philadelphia, PA, 19104-6391, USA
- BioFrontiers Institute and Department of Chemical and Biological Engineering, College of Engineering and Applied Science, University of Colorado Boulder, 1111 Engineering Dr, Boulder, CO, 80309, USA
| | - Arben Nace
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Ruifeng Yang
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Ying Zheng
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
| | - Jason A Burdick
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 220 South 33rd Street, 107 Towne Building, Philadelphia, PA, 19104-6391, USA
- BioFrontiers Institute and Department of Chemical and Biological Engineering, College of Engineering and Applied Science, University of Colorado Boulder, 1111 Engineering Dr, Boulder, CO, 80309, USA
| | - George Cotsarelis
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, 1053 Biomedical Research Building, 421 Curie Blvd, Philadelphia, PA, 19104, USA
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Samadi A, Moammeri A, Azimi S, Bustillo-Perez BM, Mohammadi MR. Biomaterial engineering for cell transplantation. BIOMATERIALS ADVANCES 2024; 158:213775. [PMID: 38252986 DOI: 10.1016/j.bioadv.2024.213775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/27/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024]
Abstract
The current paradigm of medicine is mostly designed to block or prevent pathological events. Once the disease-led tissue damage occurs, the limited endogenous regeneration may lead to depletion or loss of function for cells in the tissues. Cell therapy is rapidly evolving and influencing the field of medicine, where in some instances attempts to address cell loss in the body. Due to their biological function, engineerability, and their responsiveness to stimuli, cells are ideal candidates for therapeutic applications in many cases. Such promise is yet to be fully obtained as delivery of cells that functionally integrate with the desired tissues upon transplantation is still a topic of scientific research and development. Main known impediments for cell therapy include mechanical insults, cell viability, host's immune response, and lack of required nutrients for the transplanted cells. These challenges could be divided into three different steps: 1) Prior to, 2) during the and 3) after the transplantation procedure. In this review, we attempt to briefly summarize published approaches employing biomaterials to mitigate the above technical challenges. Biomaterials are offering an engineerable platform that could be tuned for different classes of cell transplantation to potentially enhance and lengthen the pharmacodynamics of cell therapies.
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Affiliation(s)
- Amirmasoud Samadi
- Department of Chemical and Biomolecular Engineering, 6000 Interdisciplinary Science & Engineering Building (ISEB), Irvine, CA 92617, USA
| | - Ali Moammeri
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Shamim Azimi
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Bexi M Bustillo-Perez
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
| | - M Rezaa Mohammadi
- Dale E. and Sarah Ann Fowler School of Engineering, Chapman University, Orange, CA 92866, USA.
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Nishiguchi A, Ito S, Nagasaka K, Komatsu H, Uto K, Taguchi T. Injectable microcapillary network hydrogels engineered by liquid-liquid phase separation for stem cell transplantation. Biomaterials 2024; 305:122451. [PMID: 38169189 DOI: 10.1016/j.biomaterials.2023.122451] [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: 10/16/2023] [Revised: 12/17/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024]
Abstract
Injectable hydrogels are promising carriers for cell delivery in regenerative medicine. However, injectable hydrogels composed of crosslinked polymer networks are often non-microporous and prevent biological communication with host tissues through signals, nutrients, oxygen, and cells, thereby limiting graft survival and tissue integration. Here we report injectable hydrogels with liquid-liquid phase separation-induced microcapillary networks (μCN) as stem cell-delivering scaffolds. The molecular modification of gelatin with hydrogen bonding moieties induced liquid-liquid phase separation when mixed with unmodified gelatin to form μCN structures in the hydrogels. Through spatiotemporally controlled covalent crosslinking and dissolution processes, porous μCN structures were formed in the hydrogels, which can enhance mass transport and cellular activity. The encapsulation of cells with injectable μCN hydrogels improved cellular spreading, migration, and proliferation. Transplantation of mesenchymal stem cells with injectable μCN hydrogels enhanced graft survival and recovered hindlimb ischemia by enhancing material-tissue communication with biological signals and cells through μCN. This facile approach may serve as an advanced scaffold for improving stem cell transplantation therapies in regenerative medicine.
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Affiliation(s)
- Akihiro Nishiguchi
- Biomaterials Field, Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
| | - Shima Ito
- Biomaterials Field, Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Kazuhiro Nagasaka
- Biomaterials Field, Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Hiyori Komatsu
- Biomaterials Field, Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Koichiro Uto
- Biomaterials Field, Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Tetsushi Taguchi
- Biomaterials Field, Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.
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Gao H, Liu S, Qin S, Yang J, Yue T, Ye B, Tang Y, Feng J, Hou J, Danzeng D. Injectable hydrogel-based combination therapy for myocardial infarction: a systematic review and Meta-analysis of preclinical trials. BMC Cardiovasc Disord 2024; 24:119. [PMID: 38383333 PMCID: PMC10882925 DOI: 10.1186/s12872-024-03742-0] [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: 09/30/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
INTRODUCTION This study evaluates the effectiveness of a combined regimen involving injectable hydrogels for the treatment of experimental myocardial infarction. PATIENT CONCERNS Myocardial infarction is an acute illness that negatively affects quality of life and increases mortality rates. Experimental models of myocardial infarction can aid in disease research by allowing for the development of therapies that effectively manage disease progression and promote tissue repair. DIAGNOSIS Experimental animal models of myocardial infarction were established using the ligation method on the anterior descending branch of the left coronary artery (LAD). INTERVENTIONS The efficacy of intracardiac injection of hydrogels, combined with cells, drugs, cytokines, extracellular vesicles, or nucleic acid therapies, was evaluated to assess the functional and morphological improvements in the post-infarction heart achieved through the combined hydrogel regimen. OUTCOMES A literature review was conducted using PubMed, Web of Science, Scopus, and Cochrane databases. A total of 83 papers, including studies on 1332 experimental animals (rats, mice, rabbits, sheep, and pigs), were included in the meta-analysis based on the inclusion and exclusion criteria. The overall effect size observed in the group receiving combined hydrogel therapy, compared to the group receiving hydrogel treatment alone, resulted in an ejection fraction (EF) improvement of 8.87% [95% confidence interval (CI): 7.53, 10.21] and a fractional shortening (FS) improvement of 6.31% [95% CI: 5.94, 6.67] in rat models, while in mice models, the improvements were 16.45% [95% CI: 11.29, 21.61] for EF and 5.68% [95% CI: 5.15, 6.22] for FS. The most significant improvements in EF (rats: MD = 9.63% [95% CI: 4.02, 15.23]; mice: MD = 23.93% [95% CI: 17.52, 30.84]) and FS (rats: MD = 8.55% [95% CI: 2.54, 14.56]; mice: MD = 5.68% [95% CI: 5.15, 6.22]) were observed when extracellular vesicle therapy was used. Although there have been significant results in large animal experiments, the number of studies conducted in this area is limited. CONCLUSION The present study demonstrates that combining hydrogel with other therapies effectively improves heart function and morphology. Further preclinical research using large animal models is necessary for additional study and validation.
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Affiliation(s)
- Han Gao
- School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Song Liu
- School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Shanshan Qin
- School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Jiali Yang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Tian Yue
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Bengui Ye
- West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China
| | - Yue Tang
- School of Pharmacy, North Sichuan Medical College, Nanchong, Sichuan, China
| | - Jie Feng
- School of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Jun Hou
- Department of Cardiology, Chengdu Third People's Hospital, Chengdu, Sichuan, China.
| | - Dunzhu Danzeng
- School of Medicine, Tibet University, Lhasa, Tibet, China.
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Vetter VC, Bouten CVC, van der Pol A. Hydrogels for Cardiac Restorative Support: Relevance of Gelation Mechanisms for Prospective Clinical Use. Curr Heart Fail Rep 2023; 20:519-529. [PMID: 37812347 PMCID: PMC10746579 DOI: 10.1007/s11897-023-00630-0] [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: 09/20/2023] [Indexed: 10/10/2023]
Abstract
PURPOSE OF REVIEW Cardiac tissue regenerative strategies have gained much traction over the years, in particular those utilizing hydrogels. With our review, and with special focus on supporting post-myocardial infarcted tissue, we aim to provide insights in determining crucial design considerations of a hydrogel and the implications these could have for future clinical use. RECENT FINDINGS To date, two hydrogel delivery strategies are being explored, cardiac injection or patch, to treat myocardial infarction. Recent advances have demonstrated that the mechanism by which a hydrogel is gelated (i.e., physically or chemically cross-linked) not only impacts the biocompatibility, mechanical properties, and chemical structure, but also the route of delivery of the hydrogel and thus its effect on cardiac repair. With regard to cardiac regeneration, various hydrogels have been developed with the ability to function as a delivery system for therapeutic strategies (e.g., drug and stem cells treatments), as well as a scaffold to guide cardiac tissue regeneration following myocardial infarction. However, these developments remain within the experimental and pre-clinical realm and have yet to transition towards the clinical setting.
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Affiliation(s)
- Valentine C Vetter
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Atze van der Pol
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands.
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Selvam A, Majood M, Chaurasia R, Rupesh, Singh A, Dey T, Agrawal O, Verma YK, Mukherjee M. Injectable organo-hydrogels influenced by click chemistry as a paramount stratagem in the conveyor belt of pharmaceutical revolution. J Mater Chem B 2023; 11:10761-10777. [PMID: 37807713 DOI: 10.1039/d3tb01674a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
The field of injectable hydrogels has demonstrated a paramount headway in the myriad of biomedical applications and paved a path toward clinical advancements. The innate superiority of hydrogels emerging from organic constitution has exhibited dominance in overcoming the bottlenecks associated with inorganic-based hydrogels in the biological milieu. Inorganic hydrogels demonstrate various disadvantages, including limited biocompatibility, degradability, a cumbersome synthesis process, high cost, and ecotoxicity. The excellent biocompatibility, eco-friendliness, and manufacturing convenience of organo-hydrogels have demonstrated to be promising in therapizing biomedical complexities with low toxicity and augmented bioavailability. This report manifests the realization of biomimetic organo-hydrogels with the development of bioresponsive and self-healing injectable organo-hydrogels in the emerging pharmaceutical revolution. Furthermore, the influence of click chemistry in this regime as a backbone in the pharmaceutical conveyor belt has been suggested to scale up production. Moreover, we propose an avant-garde design stratagem of developing a hyaluronic acid (HA)-based injectable organo-hydrogel via click chemistry to be realized for its pharmaceutical edge. Ultimately, injectable organo-hydrogels that materialize from academia or industry are required to follow the standard set of rules established by global governing bodies, which has been delineated to comprehend their marketability. Thence, this perspective narrates the development of injectable organo-hydrogels via click chemistry as a prospective elixir to have in the arsenal of pharmaceuticals.
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Affiliation(s)
- Abhyavartin Selvam
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
- Amity Institute of Nanotechnology, Amity University Uttar Pradesh, Noida, 201313, India
| | - Misba Majood
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
| | - Radhika Chaurasia
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
| | - Rupesh
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
| | - Akanksha Singh
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
| | - Tapan Dey
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
| | - Omnarayan Agrawal
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
| | - Yogesh Kumar Verma
- Stem Cell & Tissue Engineering Research Group, Institute of Nuclear Medicine and Allied Sciences, Defence Research and Development Organisation, New Delhi, 110054, India
| | - Monalisa Mukherjee
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Noida, 201313, India.
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Morley CD, Ding EA, Carvalho EM, Kumar S. A Balance between Inter- and Intra-Microgel Mechanics Governs Stem Cell Viability in Injectable Dynamic Granular Hydrogels. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2304212. [PMID: 37653580 PMCID: PMC10841739 DOI: 10.1002/adma.202304212] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 08/25/2023] [Indexed: 09/02/2023]
Abstract
Injectable hydrogels are increasingly explored for the delivery of cells to tissue. These materials exhibit both liquid-like properties, protecting cells from mechanical stress during injection, and solid-like properties, providing a stable 3D engraftment niche. Many strategies for modulating injectable hydrogels tune liquid- and solid-like material properties simultaneously, such that formulation changes designed to improve injectability can reduce stability at the delivery site. The ability to independently tune liquid- and solid-like properties would greatly facilitate formulation development. Here, such a strategy is presented in which cells are ensconced in the pores between microscopic granular hyaluronic acid (HA) hydrogels (microgels), where elasticity is tuned with static covalent intra-microgel crosslinks and flowability with mechanosensitive adamantane-cyclodextrin (AC) inter-microgel crosslinks. Using the same AC-free microgels as a 3D printing support bath, the location of each cell is preserved as it exits the needle, allowing identification of the mechanism driving mechanical trauma-induced cell death. The microgel AC concentration is varied to find the threshold from microgel yielding- to AC interaction-dominated injectability, and this threshold is exploited to fabricate a microgel with better injection-protecting performance. This delivery strategy, and the balance between intra- and inter-microgel properties it reveals, may facilitate the development of new cell injection formulations.
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Affiliation(s)
- Cameron D Morley
- Department of Bioengineering, University of California, Berkeley, CA, 94720, USA
| | - Erika A Ding
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
| | - Emily M Carvalho
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
| | - Sanjay Kumar
- Department of Bioengineering, University of California, Berkeley, CA, 94720, USA
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA, 94158, USA
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10
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Xiong Z, An Q, Chen L, Xiang Y, Li L, Zheng Y. Cell or cell derivative-laden hydrogels for myocardial infarction therapy: from the perspective of cell types. J Mater Chem B 2023; 11:9867-9888. [PMID: 37751281 DOI: 10.1039/d3tb01411h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Myocardial infarction (MI) is a global cardiovascular disease with high mortality and morbidity. To treat acute MI, various therapeutic approaches have been developed, including cells, extracellular vesicles, and biomimetic nanoparticles. However, the clinical application of these therapies is limited due to low cell viability, inadequate targetability, and rapid elimination from cardiac sites. Injectable hydrogels, with their three-dimensional porous structure, can maintain the biomechanical stabilization of hearts and the transplantation activity of cells. However, they cannot regenerate cardiomyocytes or repair broken hearts. A better understanding of the collaborative relationship between hydrogel delivery systems and cell or cell-inspired therapy will facilitate advancing innovative therapeutic strategies against MI. Following that, from the perspective of cell types, MI progression and recent studies on using hydrogel to deliver cell or cell-derived preparations for MI treatment are discussed. Finally, current challenges and future prospects of cell or cell derivative-laden hydrogels for MI therapy are proposed.
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Affiliation(s)
- Ziqing Xiong
- Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qi An
- Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Liqiang Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China.
| | - Yucheng Xiang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China.
| | - Lian Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China.
| | - Yaxian Zheng
- Department of Pharmacy, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, Sichuan, China.
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
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11
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Bezold MG, Hanna AR, Dollinger BR, Patil P, Yu F, Duvall CL, Gupta MK. Hybrid Shear-thinning Hydrogel Integrating Hyaluronic Acid with ROS-Responsive Nanoparticles. ADVANCED FUNCTIONAL MATERIALS 2023; 33:2213368. [PMID: 38107427 PMCID: PMC10723243 DOI: 10.1002/adfm.202213368] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Indexed: 12/19/2023]
Abstract
Nanoparticle (NP) supra-assembly offers unique opportunities to tune macroscopic hydrogels' mechanical strength, material degradation, and drug delivery properties. Here, synthetic, reactive oxygen species (ROS)-responsive NPs are physically crosslinked with hyaluronic acid (HA) through guest-host chemistry to create shear-thinning NP/HA hydrogels. A library of triblock copolymers composed of poly(propylene sulfide)-bl-poly(N,N-dimethylacrylamide)-bl-poly(N,N-dimethylacrylamide-co-N-(1-adamantyl)acrylamide) are synthesized with varied triblock architectures and adamantane grafting densities and then self-assembled into NPs displaying adamantane on their corona. Self-assembled NPs are mixed with β-cyclodextrin grafted HA to yield eighteen NP/HA hydrogel formulations. The NP/HA hydrogel platform demonstrates superior mechanical strength to HA-only hydrogels, susceptibility to oxidative/enzymatic degradation, and inherent cell-protective, antioxidant function. The performance of NP/HA hydrogels is shown to be affected by triblock architecture, guest/host grafting densities, and HA composition. In particular, the length of the hydrophilic second block and adamantane grafting density of self-assembled NPs significantly impacts hydrogel mechanical properties and shear-thinning behavior, while ROS-reactivity of poly(propylene sulfide) protects cells from cytotoxic ROS and reduces oxidative degradation of HA compared to HA-only hydrogels. This work provides insight into polymer structure-function considerations for designing hybrid NP/HA hydrogels and identifies antioxidant, shear-thinning hydrogels as promising injectable delivery platforms for small molecule drugs and therapeutic cells.
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Affiliation(s)
- Mariah G. Bezold
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Andrew R. Hanna
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Bryan R. Dollinger
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Prarthana Patil
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Fang Yu
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Craig L. Duvall
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Mukesh K. Gupta
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA
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12
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Han DS, Erickson C, Hansen KC, Kirkbride-Romeo L, He Z, Rodell CB, Soranno DE. Mesenchymal Stem Cells Delivered Locally to Ischemia-Reperfused Kidneys via Injectable Hyaluronic Acid Hydrogels Decrease Extracellular Matrix Remodeling 1 Month after Injury in Male Mice. Cells 2023; 12:1771. [PMID: 37443806 PMCID: PMC10340256 DOI: 10.3390/cells12131771] [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: 03/05/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
The translation of stem cell therapies has been hindered by low cell survival and retention rates. Injectable hydrogels enable the site-specific delivery of therapeutic cargo, including cells, to overcome these challenges. We hypothesized that delivery of mesenchymal stem cells (MSC) via shear-thinning and injectable hyaluronic acid (HA) hydrogels would mitigate renal damage following ischemia-reperfusion acute kidney injury. Acute kidney injury (AKI) was induced in mice by bilateral or unilateral ischemia-reperfusion kidney injury. Three days later, mice were treated with MSCs either suspended in media injected intravenously via the tail vein, or injected under the capsule of the left kidney, or MSCs suspended in HA injected under the capsule of the left kidney. Serial measurements of serum and urine biomarkers of renal function and injury, as well as transcutaneous glomerular filtration rate (tGFR) were performed. In vivo optical imaging showed that MSCs localized to both kidneys in a sustained manner after bilateral ischemia and remained within the ipsilateral treated kidney after unilateral ischemic AKI. One month after injury, MSC/HA treatment significantly reduced urinary NGAL compared to controls; it did not significantly reduce markers of fibrosis compared to untreated controls. An analysis of kidney proteomes revealed decreased extracellular matrix remodeling and high overlap with sham proteomes in MSC/HA-treated animals. Hydrogel-assisted MSC delivery shows promise as a therapeutic treatment following acute kidney injury.
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Affiliation(s)
- Daniel S. Han
- Pediatric Urology, Department of Urology, Stanford University School of Medicine, Palo Alto, CA 94305, USA
| | - Christopher Erickson
- Department of Biochemistry and Molecular Genetics, University of Colorado, Aurora, CO 80045, USA
| | - Kirk C. Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado, Aurora, CO 80045, USA
| | | | - Zhibin He
- Department of Pediatrics, University of Colorado, Aurora, CO 80045, USA
| | - Christopher B. Rodell
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA
| | - Danielle E. Soranno
- Division of Nephrology, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Bioengineering, Purdue University, West Lafayette, IN 47907, USA
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13
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Soni SS, D'Elia AM, Rodell CB. Control of the post-infarct immune microenvironment through biotherapeutic and biomaterial-based approaches. Drug Deliv Transl Res 2023; 13:1983-2014. [PMID: 36763330 PMCID: PMC9913034 DOI: 10.1007/s13346-023-01290-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2023] [Indexed: 02/11/2023]
Abstract
Ischemic heart failure (IHF) is a leading cause of morbidity and mortality worldwide, for which heart transplantation remains the only definitive treatment. IHF manifests from myocardial infarction (MI) that initiates tissue remodeling processes, mediated by mechanical changes in the tissue (loss of contractility, softening of the myocardium) that are interdependent with cellular mechanisms (cardiomyocyte death, inflammatory response). The early remodeling phase is characterized by robust inflammation that is necessary for tissue debridement and the initiation of repair processes. While later transition toward an immunoregenerative function is desirable, functional reorientation from an inflammatory to reparatory environment is often lacking, trapping the heart in a chronically inflamed state that perpetuates cardiomyocyte death, ventricular dilatation, excess fibrosis, and progressive IHF. Therapies can redirect the immune microenvironment, including biotherapeutic and biomaterial-based approaches. In this review, we outline these existing approaches, with a particular focus on the immunomodulatory effects of therapeutics (small molecule drugs, biomolecules, and cell or cell-derived products). Cardioprotective strategies, often focusing on immunosuppression, have shown promise in pre-clinical and clinical trials. However, immunoregenerative therapies are emerging that often benefit from exacerbating early inflammation. Biomaterials can be used to enhance these therapies as a result of their intrinsic immunomodulatory properties, parallel mechanisms of action (e.g., mechanical restraint), or by enabling cell or tissue-targeted delivery. We further discuss translatability and the continued progress of technologies and procedures that contribute to the bench-to-bedside development of these critically needed treatments.
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Affiliation(s)
- Shreya S Soni
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, 19104, USA
| | - Arielle M D'Elia
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, 19104, USA
| | - Christopher B Rodell
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, 19104, USA.
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14
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Cyclodextrin regulated natural polysaccharide hydrogels for biomedical applications-a review. Carbohydr Polym 2023; 313:120760. [PMID: 37182939 DOI: 10.1016/j.carbpol.2023.120760] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/08/2023] [Accepted: 02/24/2023] [Indexed: 03/12/2023]
Abstract
Cyclodextrin and its derivative (CDs) are natural building blocks for linking with other components to afford functional biomaterials. Hydrogels are polymer network systems that can form hydrophilic three-dimensional network structures through different cross-linking methods and are developing as potential materials in biomedical applications. Natural polysaccharide hydrogels (NPHs) are widely adopted in biomedical field with good biocompatibility, biodegradability, low cytotoxicity, and versatility in emulating natural tissue properties. Compared with conventional NPHs, CD regulated natural polysaccharide hydrogels (CD-NPHs) maintain good biocompatibility, while improving poor mechanical qualities and unpredictable gelation times. Recently, there has been increasing and considerable usage of CD-NPHs while there is still no review comprehensively introducing their construction, classification, and application of these hydrogels from the material point of view regarding biomedical fields. To draw a complete picture of the current and future development of CD-NPHs, we systematically overview the classification of CD-NPHs, and provide a holistic view on the role of CD-NPHs in different biomedical fields, especially in drug delivery, wound dressing, cell encapsulation, and tissue engineering. Moreover, the current challenges and prospects of CD-NPHs are discussed rationally, providing an insight into developing vibrant fields of CD-NPHs-based biomedicine, and facilitating their translation from bench to clinical medicine.
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15
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Al-Omar MT, Alnajjar MT, Ahmed ZT, Salaas FMI, Alrefaei TSM, Haider KH. Endothelial progenitor cell-derived small extracellular vesicles for myocardial angiogenesis and revascularization. J Clin Transl Res 2022; 8:476-487. [PMID: 36457898 PMCID: PMC9709527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/23/2022] [Accepted: 10/20/2022] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Endothelial progenitor cells (EPCs) have been well-studied for their differentiation potential and paracrine activity in vitro and in experimental animal studies. EPCs are the precursors of endothelial cells (ECs) and a rich source of pro-angiogenic factors, and hence, possess enormous potential to treat ischemic heart through myocardial angiogenesis. Their proven safety and efficacy observed during the pre-clinical and clinical studies have portrayed them as a near ideal cell type for cell-based therapy of ischemic heart disease.In response to the chemical cues from the ischemic heart, EPCs from the bone marrow and peripheral circulation home-in to the ischemic myocardium and participate in the intrinsic repair process at the molecular and cellular levels through paracrine activity and EC differentiation. EPCs also release small extracellular vesicles (sEVs) loaded with bioactive molecules as part of their paracrine activity for intercellular communication to participate in the reparative process in the heart. AIM This literature review is based on the published data regarding the characteristic features of EPC-derived sEVs and their proteomic and genomic payload, besides facilitating safe and effective repair of the ischemic myocardium. In light of the encouraging published data, translational and clinical assessment of EPC-derived sEVs is warranted. We report the recent experimental animal studies and their findings using EPC-derived sEVs on cardiac angiogenesis and preservation of cardiac function. RELEVANCE FOR PATIENTS With the promising results from pre-clinical studies, clinical trials should be conducted to assess the clinical utility of EPC-derived sEVs in the treatment of the ischemic myocardium.
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Affiliation(s)
- Maher T. Al-Omar
- Department of Basic Sciences, College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Mahmoud T. Alnajjar
- Department of Basic Sciences, College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Ziyad T. Ahmed
- Department of Basic Sciences, College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Faris M. I. Salaas
- Department of Basic Sciences, College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Tamim S. M. Alrefaei
- Department of Basic Sciences, College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Khawaja H. Haider
- Department of Basic Sciences, College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
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16
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Jindal S, Awasthi R, Goyal K, Kulkarni GT. Hydrogels for localized drug delivery: A special emphasis on dermatologic applications. Dermatol Ther 2022; 35:e15830. [DOI: 10.1111/dth.15830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/06/2022] [Accepted: 09/12/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Shammy Jindal
- Laureate Institute of Pharmacy, Kathog Jawalamukhi Himachal Pradesh India
| | - Rajendra Awasthi
- Department of Pharmaceutical Sciences School of Health Sciences & Technology, University of Petroleum and Energy Studies (UPES), Energy Acres, P.O. Bidholi, Via‐Prem Nagar Dehradun Uttarakhand India
| | - Kamya Goyal
- Laureate Institute of Pharmacy, Kathog Jawalamukhi Himachal Pradesh India
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17
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Mondal P, Chakraborty I, Chatterjee K. Injectable Adhesive Hydrogels for Soft tissue Reconstruction: A Materials Chemistry Perspective. CHEM REC 2022; 22:e202200155. [PMID: 35997710 DOI: 10.1002/tcr.202200155] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 07/30/2022] [Indexed: 11/09/2022]
Abstract
Injectable bioadhesives offer several advantages over conventional staples and sutures in surgery to seal and close incisions or wounds. Despite the growing research in recent years few injectable bioadhesives are available for clinical use. This review summarizes the key chemical features that enable the development and improvements in the use of polymeric injectable hydrogels as bioadhesives or sealants, their design requirements, the gelation mechanism, synthesis routes, and the role of adhesion mechanisms and strategies in different biomedical applications. It is envisaged that developing a deep understanding of the underlying materials chemistry principles will enable researchers to effectively translate bioadhesive technologies into clinically-relevant products.
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Affiliation(s)
- Pritiranjan Mondal
- Department of Materials Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, 560012, India
| | - Indranil Chakraborty
- Department of Materials Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, 560012, India
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, 560012, India
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18
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Bertsch P, Diba M, Mooney DJ, Leeuwenburgh SCG. Self-Healing Injectable Hydrogels for Tissue Regeneration. Chem Rev 2022; 123:834-873. [PMID: 35930422 PMCID: PMC9881015 DOI: 10.1021/acs.chemrev.2c00179] [Citation(s) in RCA: 155] [Impact Index Per Article: 77.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Biomaterials with the ability to self-heal and recover their structural integrity offer many advantages for applications in biomedicine. The past decade has witnessed the rapid emergence of a new class of self-healing biomaterials commonly termed injectable, or printable in the context of 3D printing. These self-healing injectable biomaterials, mostly hydrogels and other soft condensed matter based on reversible chemistry, are able to temporarily fluidize under shear stress and subsequently recover their original mechanical properties. Self-healing injectable hydrogels offer distinct advantages compared to traditional biomaterials. Most notably, they can be administered in a locally targeted and minimally invasive manner through a narrow syringe without the need for invasive surgery. Their moldability allows for a patient-specific intervention and shows great prospects for personalized medicine. Injected hydrogels can facilitate tissue regeneration in multiple ways owing to their viscoelastic and diffusive nature, ranging from simple mechanical support, spatiotemporally controlled delivery of cells or therapeutics, to local recruitment and modulation of host cells to promote tissue regeneration. Consequently, self-healing injectable hydrogels have been at the forefront of many cutting-edge tissue regeneration strategies. This study provides a critical review of the current state of self-healing injectable hydrogels for tissue regeneration. As key challenges toward further maturation of this exciting research field, we identify (i) the trade-off between the self-healing and injectability of hydrogels vs their physical stability, (ii) the lack of consensus on rheological characterization and quantitative benchmarks for self-healing injectable hydrogels, particularly regarding the capillary flow in syringes, and (iii) practical limitations regarding translation toward therapeutically effective formulations for regeneration of specific tissues. Hence, here we (i) review chemical and physical design strategies for self-healing injectable hydrogels, (ii) provide a practical guide for their rheological analysis, and (iii) showcase their applicability for regeneration of various tissues and 3D printing of complex tissues and organoids.
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Affiliation(s)
- Pascal Bertsch
- Department
of Dentistry-Regenerative Biomaterials, Radboud Institute for Molecular
Life Sciences, Radboud University Medical
Center, 6525 EX Nijmegen, The Netherlands
| | - Mani Diba
- Department
of Dentistry-Regenerative Biomaterials, Radboud Institute for Molecular
Life Sciences, Radboud University Medical
Center, 6525 EX Nijmegen, The Netherlands,John
A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States,Wyss
Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, United States
| | - David J. Mooney
- John
A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States,Wyss
Institute for Biologically Inspired Engineering at Harvard University, Boston, Massachusetts 02115, United States
| | - Sander C. G. Leeuwenburgh
- Department
of Dentistry-Regenerative Biomaterials, Radboud Institute for Molecular
Life Sciences, Radboud University Medical
Center, 6525 EX Nijmegen, The Netherlands,
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19
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Wang S, Ong PJ, Liu S, Thitsartarn W, Tan MJBH, Suwardi A, Zhu Q, Loh XJ. Recent advances in host-guest supramolecular hydrogels for biomedical applications. Chem Asian J 2022; 17:e202200608. [PMID: 35866560 DOI: 10.1002/asia.202200608] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/18/2022] [Indexed: 11/09/2022]
Abstract
The recognition-directed host-guest interaction is recognized as a valuable tool for creating supramolecular polymers. Functional hydrogels constructed through the dynamic and reversible host-guest complexation are endowed with a great many appealing features, such as superior self-healing, injectability, flexibility, stimuli-responsiveness and biocompatibility, which are crucial for biological and medicinal applications. With numerous topological structures and host-guest combinations established previously, recent breakthroughs in this area mostly focus on further improvement and fine-tuning of various properties for practical utilizations. The current contribution provides a comprehensive overview of the latest developments in host-guest supramolecular hydrogels, with a particular emphasis on the innovative molecular-level design strategies and hydrogel formation methodologies targeting at a wide range of active biomedical domains, including drug delivery, 3D printing, wound healing, tissue engineering, artificial actuators, biosensors, etc. Furthermore, a brief conclusion and discussion on the steps forward to bring these smart hydrogels to clinical practice is also presented.
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Affiliation(s)
- Suxi Wang
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, SINGAPORE
| | - Pin Jin Ong
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, SINGAPORE
| | - Songlin Liu
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, SINGAPORE
| | - Warintorn Thitsartarn
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, SINGAPORE
| | | | - Ady Suwardi
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, SINGAPORE
| | - Qiang Zhu
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, 2 Fusionopolis Way, 138634, Singapore, SINGAPORE
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, Institute of Materials Research and Engineering, SINGAPORE
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20
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Ghanta RK, Pugazenthi A, Zhao Y, Sylvester C, Wall MJ, Mazur RA, Russell LN, Lampe KJ. Influence of Supraphysiologic Biomaterial Stiffness on Ventricular Mechanics and Myocardial Infarct Reinforcement. Acta Biomater 2022; 149:30-39. [PMID: 35820592 DOI: 10.1016/j.actbio.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 07/02/2022] [Accepted: 07/05/2022] [Indexed: 11/15/2022]
Abstract
Injectable intramyocardial biomaterials have promise to limit adverse ventricular remodeling through mechanical and biologic mechanisms. While some success has been observed by injecting materials to regenerate new tissue, optimal biomaterial stiffness to thicken and stiffen infarcted myocardium to limit adverse remodeling has not been determined. In this work, we present an in-vivo study of the impact of biomaterial stiffness over a wide range of stiffness moduli on ventricular mechanics. We utilized injectable methacrylated polyethylene glycol (PEG) hydrogels fabricated at 3 different mechanical moduli: 5 kPa (low), 25 kPa (medium/myocardium), and 250 kPa (high/supraphysiologic). We demonstrate that the supraphysiological high stiffness favorably alters post-infarct ventricular mechanics and prevents negative tissue remodeling. Lower stiffness materials do not alter mechanics and thus to be effective, must instead target biological reparative mechanisms. These results may influence rationale design criteria for biomaterials developed for infarct reinforcement therapy. STATEMENT OF SIGNIFICANCE: Acellular biomaterials for cardiac application can provide benefit via mechanical and biological mechanisms post myocardial infarction. We study the role of biomaterial mechanical characteristics on ventricular mechanics in myocardial infarcts. Previous studies have not measured the influence of injected biomaterials on ventricular mechanics, and consequently rational design criteria is unknown. By utilizing an in-vivo assessment of ventricular mechanics, we demonstrate that low stiffness biomaterial do not alter pathologic ventricular mechanics. Thus, to be effective, low stiffness biomaterials must target biological reparative mechanisms. Physiologic and supra-physiologic biomaterials favorably alter post-infarct mechanics and prevents adverse ventricular remodeling.
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Affiliation(s)
- Ravi K Ghanta
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX United States; Department of Cardiovascular Surgery, Texas Heart Institute, Houston, TX United States.
| | - Aarthi Pugazenthi
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX United States
| | - Yunge Zhao
- Department of Surgery, University of Maryland, Baltimore, MD United States
| | - Christopher Sylvester
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX United States; Medical Scientist Training Program, Baylor College of Medicine, Houston, TX United States
| | - Mathew J Wall
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX United States
| | - Rachel A Mazur
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA United States
| | - Lauren N Russell
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA United States
| | - Kyle J Lampe
- Department of Chemical Engineering, University of Virginia, Charlottesville, VA United States
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21
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Hong IS. Enhancing Stem Cell-Based Therapeutic Potential by Combining Various Bioengineering Technologies. Front Cell Dev Biol 2022; 10:901661. [PMID: 35865629 PMCID: PMC9294278 DOI: 10.3389/fcell.2022.901661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/17/2022] [Indexed: 12/05/2022] Open
Abstract
Stem cell-based therapeutics have gained tremendous attention in recent years due to their wide range of applications in various degenerative diseases, injuries, and other health-related conditions. Therapeutically effective bone marrow stem cells, cord blood- or adipose tissue-derived mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and more recently, induced pluripotent stem cells (iPSCs) have been widely reported in many preclinical and clinical studies with some promising results. However, these stem cell-only transplantation strategies are hindered by the harsh microenvironment, limited cell viability, and poor retention of transplanted cells at the sites of injury. In fact, a number of studies have reported that less than 5% of the transplanted cells are retained at the site of injury on the first day after transplantation, suggesting extremely low (<1%) viability of transplanted cells. In this context, 3D porous or fibrous national polymers (collagen, fibrin, hyaluronic acid, and chitosan)-based scaffold with appropriate mechanical features and biocompatibility can be used to overcome various limitations of stem cell-only transplantation by supporting their adhesion, survival, proliferation, and differentiation as well as providing elegant 3-dimensional (3D) tissue microenvironment. Therefore, stem cell-based tissue engineering using natural or synthetic biomimetics provides novel clinical and therapeutic opportunities for a number of degenerative diseases or tissue injury. Here, we summarized recent studies involving various types of stem cell-based tissue-engineering strategies for different degenerative diseases. We also reviewed recent studies for preclinical and clinical use of stem cell-based scaffolds and various optimization strategies.
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Affiliation(s)
- In-Sun Hong
- Department of Health Sciences and Technology, GAIHST, Gachon University, Seongnam, South Korea
- Department of Molecular Medicine, School of Medicine, Gachon University, Seongnam, South Korea
- *Correspondence: In-Sun Hong,
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22
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Wang Y, Keshavarz M, Barhouse P, Smith Q. Strategies for Regenerative Vascular Tissue Engineering. Adv Biol (Weinh) 2022; 7:e2200050. [PMID: 35751461 DOI: 10.1002/adbi.202200050] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/15/2022] [Indexed: 11/11/2022]
Abstract
Vascularization remains one of the key challenges in creating functional tissue-engineered constructs for therapeutic applications. This review aims to provide a developmental lens on the necessity of blood vessels in defining tissue function while exploring stem cells as a suitable source for vascular tissue engineering applications. The intersections of stem cell biology, material science, and engineering are explored as potential solutions for directing vascular assembly.
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Affiliation(s)
- Yao Wang
- Department of Chemical and Biomolecular Engineering University of California Irvine CA 92697 USA
- Sue & Bill Gross Stem Cell Research Center University of California Irvine CA 92697 USA
| | - Mozhgan Keshavarz
- Department of Chemical and Biomolecular Engineering University of California Irvine CA 92697 USA
- Sue & Bill Gross Stem Cell Research Center University of California Irvine CA 92697 USA
| | - Patrick Barhouse
- Department of Chemical and Biomolecular Engineering University of California Irvine CA 92697 USA
- Sue & Bill Gross Stem Cell Research Center University of California Irvine CA 92697 USA
| | - Quinton Smith
- Department of Chemical and Biomolecular Engineering University of California Irvine CA 92697 USA
- Sue & Bill Gross Stem Cell Research Center University of California Irvine CA 92697 USA
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23
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Wojtalewicz S, Vizmeg J, Erickson S, Lade C, Shea J, Sant H, Magda J, Gale B, Agarwal J, Davis B. Evaluating the influence of particle morphology and density on the viscosity and injectability of a novel long-acting local anesthetic suspension. J Biomater Appl 2022; 37:724-736. [PMID: 35649287 DOI: 10.1177/08853282221106486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Proper pain management is well understood to be one of the fundamental aspects of a healthy postoperative recovery in conjunction with mobility and nutrition. Approximately, 10% of patients prescribed opioids after surgery continue to use opioids in the long-term and as little as 10 days on opioids can result in addiction. In an effort to provide physicians with an alternative pain management technique, this work evaluates the material properties of a novel local anesthetic delivery system designed for controlled release of bupivacaine for 72 hours. The formulation utilizes solid-lipid microparticles that encapsulate the hydrophobic molecule bupivacaine in its free-base form. The lipid microparticles are suspended in a non-crosslinked hyaluronic acid hydrogel, which acts as the microparticle carrier. Two different particle manufacturing techniques, milling and hot homogenization, were evaluated in this work. The hot homogenized particles had a slower and more controlled release than the milled particles. Rheological techniques revealed that the suspension remains a viscoelastic fluid when loaded with either particle type up to 25% (w/v) particles densities. Furthermore, the shear thinning properties of the suspension media, hyaluronic acid hydrogel, were conserved when bupivacaine-loaded solid-lipid microparticles were loaded up to densities of 25% (w/v) particle loading. The force during injection was measured for suspension formulations with varying hyaluronic acid hydrogel concentrations, particle densities, particle types and particle sizes. The results indicate that the formulation viscosity is highly dependent on particle density, but hyaluronic acid hydrogel is required for lowering injection forces as well as minimizing clogging events.
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Affiliation(s)
- Susan Wojtalewicz
- Department of Mechanical Engineering, 14434University of Utah, Salt Lake City, UT, USA.,Rebel Medicine Inc., Salt Lake City, UT, USA
| | - Jonathon Vizmeg
- Rebel Medicine Inc., Salt Lake City, UT, USA.,Department of Biomedical Engineering, 14434University of Utah, Salt Lake City, UT, USA
| | | | - Caleb Lade
- Rebel Medicine Inc., Salt Lake City, UT, USA
| | - Jill Shea
- Department of Surgery, 14434University of Utah, Salt Lake City, UT, USA
| | - Himanshu Sant
- Department of Mechanical Engineering, 14434University of Utah, Salt Lake City, UT, USA
| | - Jules Magda
- Department of Chemical Engineering, 14434University of Utah, Salt Lake City, UT, USA
| | - Bruce Gale
- Department of Mechanical Engineering, 14434University of Utah, Salt Lake City, UT, USA
| | - Jayant Agarwal
- Rebel Medicine Inc., Salt Lake City, UT, USA.,Department of Surgery, 14434University of Utah, Salt Lake City, UT, USA
| | - Brett Davis
- Rebel Medicine Inc., Salt Lake City, UT, USA
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24
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Ghovvati M, Kharaziha M, Ardehali R, Annabi N. Recent Advances in Designing Electroconductive Biomaterials for Cardiac Tissue Engineering. Adv Healthc Mater 2022; 11:e2200055. [PMID: 35368150 DOI: 10.1002/adhm.202200055] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/12/2022] [Indexed: 12/19/2022]
Abstract
Implantable cardiac patches and injectable hydrogels are among the most promising therapies for cardiac tissue regeneration following myocardial infarction. Incorporating electrical conductivity into these patches and hydrogels is found to be an efficient method to improve cardiac tissue function. Conductive nanomaterials such as carbon nanotube, graphene oxide, gold nanorod, as well as conductive polymers such as polyaniline, polypyrrole, and poly(3,4-ethylenedioxythiophene):polystyrene sulfonate are appealing because they possess the electroconductive properties of semiconductors with ease of processing and have potential to restore electrical signaling propagation through the infarct area. Numerous studies have utilized these materials for regeneration of biological tissues that possess electrical activities, such as cardiac tissue. In this review, recent studies on the use of electroconductive materials for cardiac tissue engineering and their fabrication methods are summarized. Moreover, recent advances in developing electroconductive materials for delivering therapeutic agents as one of emerging approaches for treating heart diseases and regenerating damaged cardiac tissues are highlighted.
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Affiliation(s)
- Mahsa Ghovvati
- Department of Chemical and Biomolecular Engineering University of California – Los Angeles Los Angeles CA 90095 USA
| | - Mahshid Kharaziha
- Biomaterials Research Group Department of Materials Engineering Isfahan University of Technology Isfahan 84156‐83111 Iran
| | - Reza Ardehali
- Division of Cardiology Department of Internal Medicine David Geffen School of Medicine University of California – Los Angeles Los Angeles CA 90095 USA
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering University of California – Los Angeles Los Angeles CA 90095 USA
- Department of Bioengineering University of California – Los Angeles Los Angeles CA 90095 USA
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25
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Luo Y, Liang F, Wan X, Liu S, Fu L, Mo J, Meng X, Mo Z. Hyaluronic Acid Facilitates Angiogenesis of Endothelial Colony Forming Cell Combining With Mesenchymal Stem Cell via CD44/ MicroRNA-139-5p Pathway. Front Bioeng Biotechnol 2022; 10:794037. [PMID: 35350177 PMCID: PMC8957954 DOI: 10.3389/fbioe.2022.794037] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/19/2022] [Indexed: 12/13/2022] Open
Abstract
Stem cells and progenitor cells have been identified as potential new therapeutic options for severe limb ischemia to induce angiogenesis, and hyaluronic acid (HA) is commonly applied as a biomaterial in tissue engineering. However, the efficiency of HA combined with human umbilical cord blood-derived endothelial colony forming cells (ECFCs) and human umbilical-derived mesenchymal stem cells (MSCs) on angiogenesis is unclear. In the present study, we showed that HA promoted angiogenesis induced by MSCs-ECFCs in Matrigel plugs and promoted blood perfusion of murine ischemic muscles. Laser confocal microscopy revealed that human-derived cells grew into the host vasculature and formed connections, as shown by mouse-specific CD31+/human-specific CD31+ double staining. In vitro assays revealed that HA supported cell proliferation and migration, enhanced CD44 expression and reduced microRNA (miR)-139-5p expression. Further analysis revealed that miR-139-5p expression was negatively regulated by CD44 in ECFCs. Flow cytometry assays showed that HA increased CD31 positive cells proportion in MSC-ECFC and could be reversed by miR-139-5p mimics transfection. Moreover, the improvement of MSC-ECFC proliferation and migration induced by HA could be blocked by upregulation of miR-139-5p expression. In conclusion, HA facilitates angiogenesis of MSCs-ECFCs, and this positive effect be associated with activation of the CD44/miR-139-5p pathway, providing a promising strategy for improving severe limb ischemia.
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Affiliation(s)
- Yufang Luo
- Department of Endocrinology, Third Xiangya Hospital of Central South University and Diabetic Foot Research Center of Central South University, Changsha, China
| | - Fang Liang
- Department of Endocrinology, Third Xiangya Hospital of Central South University and Diabetic Foot Research Center of Central South University, Changsha, China
| | - Xinxing Wan
- Department of Endocrinology, Third Xiangya Hospital of Central South University and Diabetic Foot Research Center of Central South University, Changsha, China
| | - Shengping Liu
- Department of Endocrinology, Third Xiangya Hospital of Central South University and Diabetic Foot Research Center of Central South University, Changsha, China
| | - Lanfang Fu
- Department of Endocrinology, Haikou People’s Hospital and Haikou Affiliated Hospital of Central South University Xiangya School of Medicine, Haikou, China
| | - Jiake Mo
- School of Medicine, Hunan Normal University, Changsha, China
| | - Xubiao Meng
- Department of Endocrinology, Haikou People’s Hospital and Haikou Affiliated Hospital of Central South University Xiangya School of Medicine, Haikou, China
- *Correspondence: Xubiao Meng, ; Zhaohui Mo,
| | - Zhaohui Mo
- Department of Endocrinology, Third Xiangya Hospital of Central South University and Diabetic Foot Research Center of Central South University, Changsha, China
- *Correspondence: Xubiao Meng, ; Zhaohui Mo,
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26
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Zhou J, Ning K, Yang Y, Zou L, Xue J, Kong X, Li W. 1H-NMR -based metabolic analysis on biocompatibility of dental biomaterials. Process Biochem 2022. [DOI: 10.1016/j.procbio.2020.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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27
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Kovacevic B, Jones M, Ionescu C, Walker D, Wagle S, Chester J, Foster T, Brown D, Mikov M, Mooranian A, Al-Salami H. The emerging role of bile acids as critical components in nanotechnology and bioengineering: Pharmacology, formulation optimizers and hydrogel-biomaterial applications. Biomaterials 2022; 283:121459. [DOI: 10.1016/j.biomaterials.2022.121459] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 02/27/2022] [Accepted: 03/04/2022] [Indexed: 12/16/2022]
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28
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El-Husseiny HM, Mady EA, Hamabe L, Abugomaa A, Shimada K, Yoshida T, Tanaka T, Yokoi A, Elbadawy M, Tanaka R. Smart/stimuli-responsive hydrogels: Cutting-edge platforms for tissue engineering and other biomedical applications. Mater Today Bio 2022; 13:100186. [PMID: 34917924 PMCID: PMC8669385 DOI: 10.1016/j.mtbio.2021.100186] [Citation(s) in RCA: 75] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/14/2021] [Accepted: 12/08/2021] [Indexed: 02/07/2023] Open
Abstract
Recently, biomedicine and tissue regeneration have emerged as great advances that impacted the spectrum of healthcare. This left the door open for further improvement of their applications to revitalize the impaired tissues. Hence, restoring their functions. The implementation of therapeutic protocols that merge biomimetic scaffolds, bioactive molecules, and cells plays a pivotal role in this track. Smart/stimuli-responsive hydrogels are remarkable three-dimensional (3D) bioscaffolds intended for tissue engineering and other biomedical purposes. They can simulate the physicochemical, mechanical, and biological characters of the innate tissues. Also, they provide the aqueous conditions for cell growth, support 3D conformation, provide mechanical stability for the cells, and serve as potent delivery matrices for bioactive molecules. Many natural and artificial polymers were broadly utilized to design these intelligent platforms with novel advanced characteristics and tailored functionalities that fit such applications. In the present review, we highlighted the different types of smart/stimuli-responsive hydrogels with emphasis on their synthesis scheme. Besides, the mechanisms of their responsiveness to different stimuli were elaborated. Their potential for tissue engineering applications was discussed. Furthermore, their exploitation in other biomedical applications as targeted drug delivery, smart biosensors, actuators, 3D and 4D printing, and 3D cell culture were outlined. In addition, we threw light on smart self-healing hydrogels and their applications in biomedicine. Eventually, we presented their future perceptions in biomedical and tissue regeneration applications. Conclusively, current progress in the design of smart/stimuli-responsive hydrogels enhances their prospective to function as intelligent, and sophisticated systems in different biomedical applications.
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Affiliation(s)
- Hussein M. El-Husseiny
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Eman A. Mady
- Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Lina Hamabe
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Amira Abugomaa
- Faculty of Veterinary Medicine, Mansoura University, Mansoura, Dakahliya, 35516, Egypt
| | - Kazumi Shimada
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
- Division of Research Animal Laboratory and Translational Medicine, Research and Development Center, Osaka Medical College, 2-7 Daigaku-machi, Takatsuki City, Osaka, 569-8686, Japan
| | - Tomohiko Yoshida
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Takashi Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Aimi Yokoi
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
| | - Mohamed Elbadawy
- Department of Pharmacology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Ryou Tanaka
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo, 1838509, Japan
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29
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Fang Y, Sun W, Zhang T, Xiong Z. Recent advances on bioengineering approaches for fabrication of functional engineered cardiac pumps: A review. Biomaterials 2021; 280:121298. [PMID: 34864451 DOI: 10.1016/j.biomaterials.2021.121298] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 11/24/2021] [Accepted: 11/29/2021] [Indexed: 12/18/2022]
Abstract
The field of cardiac tissue engineering has advanced over the past decades; however, most research progress has been limited to engineered cardiac tissues (ECTs) at the microscale with minimal geometrical complexities such as 3D strips and patches. Although microscale ECTs are advantageous for drug screening applications because of their high-throughput and standardization characteristics, they have limited translational applications in heart repair and the in vitro modeling of cardiac function and diseases. Recently, researchers have made various attempts to construct engineered cardiac pumps (ECPs) such as chambered ventricles, recapitulating the geometrical complexity of the native heart. The transition from microscale ECTs to ECPs at a translatable scale would greatly accelerate their translational applications; however, researchers are confronted with several major hurdles, including geometrical reconstruction, vascularization, and functional maturation. Therefore, the objective of this paper is to review the recent advances on bioengineering approaches for fabrication of functional engineered cardiac pumps. We first review the bioengineering approaches to fabricate ECPs, and then emphasize the unmatched potential of 3D bioprinting techniques. We highlight key advances in bioprinting strategies with high cell density as researchers have begun to realize the critical role that the cell density of non-proliferative cardiomyocytes plays in the cell-cell interaction and functional contracting performance. We summarize the current approaches to engineering vasculatures both at micro- and meso-scales, crucial for the survival of thick cardiac tissues and ECPs. We showcase a variety of strategies developed to enable the functional maturation of cardiac tissues, mimicking the in vivo environment during cardiac development. By highlighting state-of-the-art research, this review offers personal perspectives on future opportunities and trends that may bring us closer to the promise of functional ECPs.
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Affiliation(s)
- Yongcong Fang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China
| | - Wei Sun
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China; Department of Mechanical Engineering, Drexel University, Philadelphia, PA, 19104, USA
| | - Ting Zhang
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China.
| | - Zhuo Xiong
- Biomanufacturing Center, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, PR China; Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Beijing, 100084, PR China; "Biomanufacturing and Engineering Living Systems" Innovation International Talents Base (111 Base), Beijing, 100084, PR China.
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30
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Perveen S, Rossin D, Vitale E, Rosso R, Vanni R, Cristallini C, Rastaldo R, Giachino C. Therapeutic Acellular Scaffolds for Limiting Left Ventricular Remodelling-Current Status and Future Directions. Int J Mol Sci 2021; 22:ijms222313054. [PMID: 34884856 PMCID: PMC8658014 DOI: 10.3390/ijms222313054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/26/2021] [Accepted: 11/29/2021] [Indexed: 12/14/2022] Open
Abstract
Myocardial infarction (MI) is one of the leading causes of heart-related deaths worldwide. Following MI, the hypoxic microenvironment triggers apoptosis, disrupts the extracellular matrix and forms a non-functional scar that leads towards adverse left ventricular (LV) remodelling. If left untreated this eventually leads to heart failure. Besides extensive advancement in medical therapy, complete functional recovery is never accomplished, as the heart possesses limited regenerative ability. In recent decades, the focus has shifted towards tissue engineering and regenerative strategies that provide an attractive option to improve cardiac regeneration, limit adverse LV remodelling and restore function in an infarcted heart. Acellular scaffolds possess attractive features that have made them a promising therapeutic candidate. Their application in infarcted areas has been shown to improve LV remodelling and enhance functional recovery in post-MI hearts. This review will summarise the updates on acellular scaffolds developed and tested in pre-clinical and clinical scenarios in the past five years with a focus on their ability to overcome damage caused by MI. It will also describe how acellular scaffolds alone or in combination with biomolecules have been employed for MI treatment. A better understanding of acellular scaffolds potentialities may guide the development of customised and optimised therapeutic strategies for MI treatment.
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Affiliation(s)
- Sadia Perveen
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
| | - Daniela Rossin
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
| | - Emanuela Vitale
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
| | - Rachele Rosso
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
| | - Roberto Vanni
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
| | | | - Raffaella Rastaldo
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
- Correspondence:
| | - Claudia Giachino
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (S.P.); (D.R.); (E.V.); (R.R.); (R.V.); (C.G.)
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31
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Injectable supramolecular hydrogels based on host–guest interactions with cell encapsulation capabilities. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127338] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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32
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Soranno DE, Kirkbride-Romeo L, Han D, Altmann C, Rodell CB. Measurement of glomerular filtration rate reveals that subcapsular injection of shear-thinning hyaluronic acid hydrogels does not impair kidney function in mice. J Biomed Mater Res A 2021; 110:652-658. [PMID: 34590787 PMCID: PMC9292789 DOI: 10.1002/jbm.a.37317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 11/07/2022]
Abstract
The continued development of minimally invasive therapeutic implants, such as injectable hydrogels, necessitates the concurrent advancement of methods to best assess their biocompatibility via functional outcomes in vivo. Biomaterial implants have been studied to treat kidney disease; however, assessment of biocompatibility has been limited to biomarker and histological assessments. Techniques now exist to measure kidney function serially in vivo in murine studies via transcutaneous measurements of glomerular filtration rate (tGFR). In this study, adult male and female wild-type BalbC mice underwent right unilateral nephrectomy. The remaining solitary left kidney was allowed 4 weeks to recover via compensatory hypertrophy, after which subcapsular injection of either saline or shear-thinning hyaluronic acid hydrogel was performed. Serial tGFR measurements before and after treatment were used to assess the effect of hydrogel injection on kidney filtration. Urine and serum biomarkers of kidney function, and kidney histology were also quantified. Hydrogel injection did not affect kidney function, as assessed by tGFR. Results were in agreement with standard metrics of serum and urine biomarkers of injury as well as histological assessment of inflammation. The model developed provides a direct functional assessment of implant compatibility for the treatment of kidney disease and impact on kidney function.
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Affiliation(s)
- Danielle E Soranno
- Department of Pediatrics, University of Colorado, Aurora, Colorado, USA.,Department of Bioengineering, University of Colorado, Aurora, Colorado, USA.,Department of Medicine, University of Colorado, Aurora, Colorado, USA
| | | | - Daniel Han
- Department of Urology, Stanford University, CA, USA
| | | | - Christopher B Rodell
- School of Biomedical Engineering, Science and Health SystemsScience and Health Systems, Drexel University, Philadelphia, Pennsylvania, USA
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Miller B, Hansrisuk A, Highley CB, Caliari SR. Guest-Host Supramolecular Assembly of Injectable Hydrogel Nanofibers for Cell Encapsulation. ACS Biomater Sci Eng 2021; 7:4164-4174. [PMID: 33891397 DOI: 10.1021/acsbiomaterials.1c00275] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The fibrous architecture of the extracellular matrix (ECM) is recognized as an integral regulator of cell function. However, there is an unmet need to develop mechanically robust biomaterials mimicking nanofibrous tissue topography that are also injectable to enable minimally invasive delivery. In this study, we have developed a fibrous hydrogel composed of supramolecularly assembled hyaluronic acid (HA) nanofibers that exhibits mechanical integrity, shear-thinning behavior, rapid self-healing, and cytocompatibility. HA was modified with methacrylates to permit fiber photo-cross-linking following electrospinning and either "guest" adamantane or "host" β-cyclodextrin groups to guide supramolecular fibrous hydrogel assembly. Analysis of fibrous hydrogel rheological properties showed that the mixed guest-host fibrous hydrogel was more mechanically robust (6.6 ± 2.0 kPa, storage modulus (G')) than unmixed guest hydrogel fibers (1.0 ± 0.1 kPa) or host hydrogel fibers (1.1 ± 0.1 kPa) separately. The reversible nature of the guest-host supramolecular interactions also allowed for shear-thinning and self-healing behavior as demonstrated by cyclic deformation testing. Human mesenchymal stromal cells (hMSCs) encapsulated in fibrous hydrogels demonstrated satisfactory viability following injection and after 7 days of culture (>85%). Encapsulated hMSCs were more spread and elongated when cultured in viscoelastic guest-host hydrogels compared to nonfibrous elastic controls, with hMSCs also showing significantly decreased circularity in fibrous guest-host hydrogels compared to nonfibrous guest-host hydrogels. Together, these data highlight the potential of this injectable fibrous hydrogel platform for cell and tissue engineering applications requiring minimally invasive delivery.
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Affiliation(s)
- Beverly Miller
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Audrey Hansrisuk
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Christopher B Highley
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States.,Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Steven R Caliari
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States.,Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
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34
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Soni SS, Alsasa A, Rodell CB. Applications of Macrocyclic Host Molecules in Immune Modulation and Therapeutic Delivery. Front Chem 2021; 9:658548. [PMID: 33889565 PMCID: PMC8055865 DOI: 10.3389/fchem.2021.658548] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/12/2021] [Indexed: 12/17/2022] Open
Abstract
The immune system plays a central role in the development and progression of human disease. Modulation of the immune response is therefore a critical therapeutic target that enables us to approach some of the most vexing problems in medicine today such as obesity, cancer, viral infection, and autoimmunity. Methods of manipulating the immune system through therapeutic delivery centralize around two common themes: the local delivery of biomaterials to affect the surrounding tissue or the systemic delivery of soluble material systems, often aided by context-specific cell or tissue targeting strategies. In either case, supramolecular interactions enable control of biomaterial composition, structure, and behavior at the molecular-scale; through rational biomaterial design, the realization of next-generation immunotherapeutics and immunotheranostics is therefore made possible. This brief review highlights methods of harnessing macromolecular interaction for immunotherapeutic applications, with an emphasis on modes of drug delivery.
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Affiliation(s)
| | | | - Christopher B. Rodell
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, United States
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35
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Bernhard S, Tibbitt MW. Supramolecular engineering of hydrogels for drug delivery. Adv Drug Deliv Rev 2021; 171:240-256. [PMID: 33561451 DOI: 10.1016/j.addr.2021.02.002] [Citation(s) in RCA: 122] [Impact Index Per Article: 40.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/27/2021] [Accepted: 02/03/2021] [Indexed: 02/06/2023]
Abstract
Supramolecular binding motifs are increasingly employed in the design of biomaterials. The ability to rationally engineer specific yet reversible associations into polymer networks with supramolecular chemistry enables injectable or sprayable hydrogels that can be applied via minimally invasive administration. In this review, we highlight two main areas where supramolecular binding motifs are being used in the design of drug delivery systems: engineering network mechanics and tailoring drug-material affinity. Throughout, we highlight many of the established and emerging chemistries or binding motifs that are useful for the design of supramolecular hydrogels for drug delivery applications.
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36
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Cruz-Samperio R, Jordan M, Perriman A. Cell augmentation strategies for cardiac stem cell therapies. Stem Cells Transl Med 2021; 10:855-866. [PMID: 33660953 PMCID: PMC8133336 DOI: 10.1002/sctm.20-0489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction (MI) has been the primary cause of death in developed countries, resulting in a major psychological and financial burden for society. Current treatments for acute MI are directed toward rapid restoration of perfusion to limit damage to the myocardium, rather than promoting tissue regeneration and subsequent contractile function recovery. Regenerative cell therapies (CTs), in particular those using multipotent stem cells (SCs), are in the spotlight for treatment post‐MI. Unfortunately, the efficacy of CTs is somewhat limited by their poor long‐term viability, homing, and engraftment to the myocardium. In response, a range of novel SC‐based technologies are in development to provide additional cellular modalities, bringing CTs a step closer to the clinic. In this review, the current landscape of emerging CTs and their augmentation strategies for the treatment post‐MI are discussed. In doing so, we highlight recent advances in cell membrane reengineering via genetic modifications, recombinant protein immobilization, and the utilization of soft biomimetic scaffold interfaces.
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Affiliation(s)
| | - Millie Jordan
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Adam Perriman
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
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Pepelanova I. Tunable Hydrogels: Introduction to the World of Smart Materials for Biomedical Applications. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2021; 178:1-35. [PMID: 33903929 DOI: 10.1007/10_2021_168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hydrogels are hydrated polymers that are able to mimic many of the properties of living tissues. For this reason, they have become a popular choice of biomaterial in many biomedical applications including tissue engineering, drug delivery, and biosensing. The physical and biological requirements placed on hydrogels in these contexts are numerous and require a tunable material, which can be adapted to meet these demands. Tunability is defined as the use of knowledge-based tools to manipulate material properties in the desired direction. Engineering of suitable mechanical properties and integrating bioactivity are two major aspects of modern hydrogel design. Beyond these basic features, hydrogels can be tuned to respond to specific environmental cues and external stimuli, which are provided by surrounding cells or by the end user (patient, clinician, or researcher). This turns tunable hydrogels into stimulus-responsive smart materials, which are able to display adaptable and dynamic properties. In this book chapter, we will first shortly cover the foundation of hydrogel tunability, related to mechanical properties and biological functionality. Then, we will move on to stimulus-responsive hydrogel systems and describe their basic design, as well as give examples of their application in diverse biomedical fields. As both the understanding of underlying biological mechanisms and our engineering capacity mature, even more sophisticated tunable hydrogels addressing specific therapeutic goals will be developed.
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Affiliation(s)
- Iliyana Pepelanova
- Institute of Technical Chemistry, Leibniz University of Hannover, Hanover, Germany.
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Angiogenic Potential in Biological Hydrogels. Biomedicines 2020; 8:biomedicines8100436. [PMID: 33092064 PMCID: PMC7589931 DOI: 10.3390/biomedicines8100436] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/02/2020] [Accepted: 10/16/2020] [Indexed: 12/19/2022] Open
Abstract
Hydrogels are three-dimensional (3D) materials able to absorb and retain water in large amounts while maintaining their structural stability. Due to their considerable biocompatibility and similarity with the body’s tissues, hydrogels are one of the most promising groups of biomaterials. The main application of these hydrogels is in regenerative medicine, in which they allow the formation of an environment suitable for cell differentiation and growth. Deriving from these hydrogels, it is, therefore, possible to obtain bioactive materials that can regenerate tissues. Because vessels guarantee the right amount of oxygen and nutrients but also assure the elimination of waste products, angiogenesis is one of the processes at the base of the regeneration of a tissue. On the other hand, it is a very complex mechanism and the parameters to consider are several. Indeed, the factors and the cells involved in this process are numerous and, for this reason, it has been a challenge to recreate a biomaterial able to adequately sustain the angiogenic process. However, in this review the focal point is the application of natural hydrogels in angiogenesis enhancing and their potential to guide this process.
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Jeong SH, Kim M, Kim TY, Kim H, Ju JH, Hahn SK. Supramolecular Injectable Hyaluronate Hydrogels for Cartilage Tissue Regeneration. ACS APPLIED BIO MATERIALS 2020; 3:5040-5047. [DOI: 10.1021/acsabm.0c00537] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Sang Hoon Jeong
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro,
Nam-gu, Pohang, Kyungbuk 790-784, Korea
| | - Mungu Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro,
Nam-gu, Pohang, Kyungbuk 790-784, Korea
- PHI Biomed Company, 175 Yeoksam-ro, Gangnam-gu, Seoul 06247, South Korea
| | - Tae Yeon Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro,
Nam-gu, Pohang, Kyungbuk 790-784, Korea
| | - Hwanhee Kim
- PHI Biomed Company, 175 Yeoksam-ro, Gangnam-gu, Seoul 06247, South Korea
| | - Ji Hyeon Ju
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul 137-701, Korea
| | - Sei Kwang Hahn
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro,
Nam-gu, Pohang, Kyungbuk 790-784, Korea
- PHI Biomed Company, 175 Yeoksam-ro, Gangnam-gu, Seoul 06247, South Korea
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Sisso AM, O’Kelly Boit M, DeForest CA. Self-healing injectable gelatin hydrogels for localized therapeutic cell delivery. J Biomed Mater Res A 2020; 108:1112-1121. [PMID: 31971330 PMCID: PMC8285007 DOI: 10.1002/jbm.a.36886] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 01/20/2020] [Indexed: 11/10/2022]
Abstract
Self-healing injectable hydrogel biomaterials uniquely enable precise therapeutic deposition and deployment at specific bodily locations through versatile and minimally invasive processes that can preserve cargo integrity and cell viability. Despite the distinct advantages that injectable hydrogels offer in tissue engineering and therapeutic delivery, exceptionally few have been created using components naturally present in the cellular niche. In this work, we introduce a shear-thinning hydrogel based on guest-host complexation of gelatin. As a biocompatible, biodegradable, and nonimmunogenic biopolymer derived from the most abundant extracellular matrix protein (collagen), gelatin offers great utility as the structural component of biomaterials. Taking advantage of reversible guest-host interactions between β-cyclodextrin (CD) and adamantane (AD) on modified gelatins, we report the first strategy to afford a self-healing material based solely on a functionalized extracellular matrix protein. By varying the initial material formulation, hydrogels were synthesized with variable moduli and shear-thinability across a broad range. Gels were demonstrated to exhibit shear-thinning and self-healing properties, supporting protection of clinically relevant stem-cell-derived cardiomyocytes during injection. These materials are expected to expand clinical opportunities in cell delivery for in vivo tissue regeneration.
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Affiliation(s)
- Arbel M. Sisso
- Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Mary O’Kelly Boit
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Cole A. DeForest
- Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
- Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA
- Institute of Stem Cell & Regenerative Medicine, University of Washington, Seattle, WA 98109, USA
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA 98195, USA
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Chung JJ, Han J, Wang LL, Arisi MF, Zaman S, Gordon J, Li E, Kim ST, Tran Z, Chen CW, Gaffey AC, Burdick JA, Atluri P. Delayed delivery of endothelial progenitor cell-derived extracellular vesicles via shear thinning gel improves postinfarct hemodynamics. J Thorac Cardiovasc Surg 2020; 159:1825-1835.e2. [PMID: 31353103 PMCID: PMC7077034 DOI: 10.1016/j.jtcvs.2019.06.017] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 05/04/2019] [Accepted: 06/04/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Extracellular vesicles (EVs) are promising therapeutics for cardiovascular disease, but poorly-timed delivery might hinder efficacy. We characterized the time-dependent response to endothelial progenitor cell (EPC)-EVs within an injectable shear-thinning hydrogel (STG+EV) post-myocardial infarction (MI) to identify when an optimal response is achieved. METHODS The angiogenic effects of prolonged hypoxia on cell response to EPC-EV therapy and EV uptake affinity were tested in vitro. A rat model of acute MI via left anterior descending artery ligation was created and STG+EV was delivered via intramyocardial injections into the infarct border zone at time points corresponding to phases of post-MI inflammation: 0 hours (immediate), 3 hours (acute inflammation), 4 days (proliferative), and 2 weeks (fibrosis). Hemodynamics 4 weeks post-treatment were compared across treatment and control groups (phosphate buffered saline [PBS], shear-thinning gel). Scar thickness and ventricular diameter were assessed histologically. The primary hemodynamic end point was end systolic elastance. The secondary end point was scar thickness. RESULTS EPC-EVs incubated with chronically versus acutely hypoxic human umbilical vein endothelial cells resulted in a 2.56 ± 0.53 versus 1.65 ± 0.15-fold increase (P = .05) in a number of vascular meshes and higher uptake of EVs over 14 hours. End systolic elastance improved with STG+EV therapy at 4 days (0.54 ± 0.08) versus PBS or shear-thinning gel (0.26 ± 0.03 [P = .02]; 0.23 ± 0.02 [P = .01]). Preservation of ventricular diameter (6.20 ± 0.73 mm vs 8.58 ± 0.38 mm [P = .04]; 9.13 ± 0.25 mm [P = .01]) and scar thickness (0.89 ± 0.05 mm vs 0.62 ± 0.03 mm [P < .0001] and 0.58 ± 0.05 mm [P < .0001]) was significantly greater at 4 days, compared wit PBS and shear-thinning gel controls. CONCLUSIONS Delivery of STG+EV 4 days post-MI improved left ventricular contractility and preserved global ventricular geometry, compared with controls and immediate therapy post-MI. These findings suggest other cell-derived therapies can be optimized by strategic timing of therapeutic intervention.
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Affiliation(s)
- Jennifer J Chung
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Jason Han
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Leo L Wang
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Maria F Arisi
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Samir Zaman
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Jonathan Gordon
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Elizabeth Li
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Samuel T Kim
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Zoe Tran
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Carol W Chen
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Ann C Gaffey
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Jason A Burdick
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa
| | - Pavan Atluri
- Division of Cardiovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa; Department of Bioengineering, University of Pennsylvania, Philadelphia, Pa.
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Liao X, Yang X, Deng H, Hao Y, Mao L, Zhang R, Liao W, Yuan M. Injectable Hydrogel-Based Nanocomposites for Cardiovascular Diseases. Front Bioeng Biotechnol 2020; 8:251. [PMID: 32296694 PMCID: PMC7136457 DOI: 10.3389/fbioe.2020.00251] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 03/11/2020] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs), including a series of pathological disorders, severely affect millions of people all over the world. To address this issue, several potential therapies have been developed for treating CVDs, including injectable hydrogels as a minimally invasive method. However, the utilization of injectable hydrogel is a bit restricted recently owing to some limitations, such as transporting the therapeutic agent more accurately to the target site and prolonging their retention locally. This review focuses on the advances in injectable hydrogels for CVD, detailing the types of injectable hydrogels (natural or synthetic), especially that complexed with stem cells, cytokines, nano-chemical particles, exosomes, genetic material including DNA or RNA, etc. Moreover, we summarized the mainly prominent mechanism, based on which injectable hydrogel present excellent treating effect of cardiovascular repair. All in all, it is hopefully that injectable hydrogel-based nanocomposites would be a potential candidate through cardiac repair in CVDs treatment.
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Affiliation(s)
- Xiaoshan Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Xushan Yang
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Hong Deng
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Yuting Hao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Lianzhi Mao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Rongjun Zhang
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Wenzhen Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Miaomiao Yuan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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Shahi M, Mohammadnejad D, Karimipour M, Rasta SH, Rahbarghazi R, Abedelahi A. Hyaluronic Acid and Regenerative Medicine: New Insights into the Stroke Therapy. Curr Mol Med 2020; 20:675-691. [PMID: 32213158 DOI: 10.2174/1566524020666200326095837] [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: 10/20/2019] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 11/22/2022]
Abstract
Stroke is known as one of the very important public health problems that are related to societal burden and tremendous economic losses. It has been shown that there are few therapeutic approaches for the treatment of this disease. In this regard, the present therapeutic platforms aim to obtain neuroprotection, reperfusion, and neuro recovery. Among these therapies, regenerative medicine-based therapies have appeared as new ways of stroke therapy. Hyaluronic acid (HA) is a new candidate, which could be applied as a regenerative medicine-based therapy in the treatment of stroke. HA is a glycosaminoglycan composed of disaccharide repeating elements (N-acetyl-Dglucosamine and D-glucuronic acid). Multiple lines of evidence demonstrated that HA has critical roles in normal tissues. It can be a key player in different physiological and pathophysiological conditions such as water homeostasis, multiple drug resistance, inflammatory processes, tumorigenesis, angiogenesis, and changed viscoelasticity of the extracellular matrix. HA has very important physicochemical properties i.e., availability of reactive functional groups and its solubility, which make it a biocompatible material for application in regenerative medicine. Given that HAbased bioscaffolds and biomaterials do not induce inflammation or allergies and are hydrophilic, they are used as soft tissue fillers and injectable dermal fillers. Several studies indicated that HA could be employed as a new therapeutic candidate in the treatment of stroke. These studies documented that HA and HA-based therapies exert their pharmacological effects via affecting stroke-related processes. Herein, we summarized the role of the extracellular matrix in stroke pathogenesis. Moreover, we highlighted the HA-based therapies for the treatment of stroke.
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Affiliation(s)
- Maryam Shahi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Daruosh Mohammadnejad
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Karimipour
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Hossein Rasta
- Department of Medical Bioengineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Abedelahi
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Kutikov AB, Moore SW, Layer RT, Podell PE, Sridhar N, Santamaria AJ, Aimetti AA, Hofstetter CP, Ulich TR, Guest JD. Method and Apparatus for the Automated Delivery of Continuous Neural Stem Cell Trails Into the Spinal Cord of Small and Large Animals. Neurosurgery 2020; 85:560-573. [PMID: 30169668 DOI: 10.1093/neuros/nyy379] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 07/19/2018] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Immature neurons can extend processes after transplantation in adult animals. Neuronal relays can form between injected neural stem cells (NSCs) and surviving neurons, possibly improving recovery after spinal cord injury (SCI). Cell delivery methods of single or multiple bolus injections of concentrated cell suspensions thus far tested in preclinical and clinical experiments are suboptimal for new tract formation. Nonuniform injectate dispersal is often seen due to gravitational cell settling and clumping. Multiple injections have additive risks of hemorrhage, parenchymal damage, and cellular reflux and require additional surgical exposure. The deposition of multiply delivered cells boluses may be uneven and discontinuous. OBJECTIVE To develop an injection apparatus and methodology to deliver continuous cellular trails bridging spinal cord lesions. METHODS We improved the uniformity of cellular trails by formulating NSCs in hyaluronic acid. The TrailmakerTM stereotaxic injection device was automatized to extend a shape memory needle from a single-entry point in the spinal cord longitudinal axis to "pioneer" a new trail space and then retract while depositing an hyaluronic acid-NSC suspension. We conducted testing in a collagen spinal models, and animal testing using human NSCs (hNSCs) in rats and minipigs. RESULTS Continuous surviving trails of hNSCs within rat and minipig naive spinal cords were 12 and 40 mm in length. hNSC trails were delivered across semi-acute contusion injuries in rats. Transplanted hNSCs survived and were able to differentiate into neural lineage cells and astrocytes. CONCLUSION The TrailmakerTM creates longitudinal cellular trails spanning multiple levels from a single-entry point. This may enhance the ability of therapeutics to promote functional relays after SCI.
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Affiliation(s)
| | - Simon W Moore
- InVivo Therapeutics Corporation, Cambridge, Massachusetts
| | | | | | - Nithya Sridhar
- InVivo Therapeutics Corporation, Cambridge, Massachusetts
| | | | - Alex A Aimetti
- InVivo Therapeutics Corporation, Cambridge, Massachusetts
| | | | - Thomas R Ulich
- InVivo Therapeutics Corporation, Cambridge, Massachusetts
| | - James D Guest
- The Miami Project to Cure Paralysis, University of Miami, Miami, Florida.,Department of Neurosurgery, University of Miami, Miami, Florida
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Gaspar VM, Lavrador P, Borges J, Oliveira MB, Mano JF. Advanced Bottom-Up Engineering of Living Architectures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1903975. [PMID: 31823448 DOI: 10.1002/adma.201903975] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/30/2019] [Indexed: 05/08/2023]
Abstract
Bottom-up tissue engineering is a promising approach for designing modular biomimetic structures that aim to recapitulate the intricate hierarchy and biofunctionality of native human tissues. In recent years, this field has seen exciting progress driven by an increasing knowledge of biological systems and their rational deconstruction into key core components. Relevant advances in the bottom-up assembly of unitary living blocks toward the creation of higher order bioarchitectures based on multicellular-rich structures or multicomponent cell-biomaterial synergies are described. An up-to-date critical overview of long-term existing and rapidly emerging technologies for integrative bottom-up tissue engineering is provided, including discussion of their practical challenges and required advances. It is envisioned that a combination of cell-biomaterial constructs with bioadaptable features and biospecific 3D designs will contribute to the development of more robust and functional humanized tissues for therapies and disease models, as well as tools for fundamental biological studies.
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Affiliation(s)
- Vítor M Gaspar
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Pedro Lavrador
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - João Borges
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
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Browne S, Hossainy S, Healy K. Hyaluronic Acid Macromer Molecular Weight Dictates the Biophysical Properties and in Vitro Cellular Response to Semisynthetic Hydrogels. ACS Biomater Sci Eng 2020; 6:1135-1143. [PMID: 33464856 DOI: 10.1021/acsbiomaterials.9b01419] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In situ-forming hydrogels present a promising approach for minimally invasive cell transplantation and tissue regeneration. Among prospective materials, hyaluronic acid (HyA) has displayed great potential, owing to its inherent biocompatibility, biodegradation, and ease of chemical modification. However, current studies in the literature use a broad range of HyA macromer molecular weights (MWs) from <100 kDa to 1 MDa with no consensus regarding an optimal MW for a specific application. We investigated the effects of different HyA macromer MWs on key biophysical properties of semisynthetic hydrogels, such as viscosity, gelation time, shear storage modulus, molecular diffusion, and degradation. Using higher-MW HyA macromers leads to quicker gelation times and stiffer, more stable hydrogels with smaller mesh sizes. Assessment of the potential for HyA hydrogels to support network formation by encapsulated vascular cells derived from human-induced pluripotent stem cells reveals key differences between HyA hydrogels dependent on macromer MW. These effects must be considered holistically to address the multifaceted, nonmonotonic nature of HyA MW on hydrogel behavior. Our study identified an intermediate HyA macromer MW of 500 kDa as providing optimal conditions for a readily injectable, in situ-forming hydrogel with appropriate biophysical properties to promote vascular cell spreading and sustain vascular network formation in vitro.
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Sousa AR, Martins-Cruz C, Oliveira MB, Mano JF. One-Step Rapid Fabrication of Cell-Only Living Fibers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906305. [PMID: 31769556 DOI: 10.1002/adma.201906305] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/25/2019] [Indexed: 06/10/2023]
Abstract
Cellular aggregates are used as relevant regenerative building blocks, tissue models, and cell delivery platforms. Biomaterial-free structures are often assembled either as 2D cell sheets or spherical microaggregates, both incompatible with free-form deposition, and dependent on challenging processes for macroscale 3D upscaling. The continuous and elongated nature of fiber-shaped materials enables their deposition in unrestricted multiple directions. Cellular fiber fabrication has often required exogenously provided support proteins and/or the use of biomaterial-based sacrificial templates. Here, the rapid (<24 h) assembly of fiberoids is reported: living centimeter-long scaffold-free fibers of cells produced in the absence of exogenous materials or supplements. Adipose-derived mesenchymal stem cell fiberoids can be easily modulated into complex multidimensional geometries and show tissue-invasive properties while keeping the secretion of trophic factors. Proangiogenic properties studied on a chick chorioallantoic membrane in an ovo model are observed for heterotypic fiberoids containing endothelial cells. These micro-to-macrotissues may find application as morphogenic therapeutic and tissue-mimetic building blocks, with the ability to integrate 3D and 4D full biological materials.
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Affiliation(s)
- Ana Rita Sousa
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Cláudia Martins-Cruz
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
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de Melo BAG, França CG, Dávila JL, Batista NA, Caliari-Oliveira C, d'Ávila MA, Luzo ÂCM, Lana JFSD, Santana MHA. Hyaluronic acid and fibrin from L-PRP form semi-IPNs with tunable properties suitable for use in regenerative medicine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110547. [PMID: 32228935 DOI: 10.1016/j.msec.2019.110547] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 12/06/2019] [Accepted: 12/11/2019] [Indexed: 11/16/2022]
Abstract
Autologous leukocyte- and platelet-rich plasma (L-PRP) combined with hyaluronic acid (HA) has been widely used in local applications for cartilage and bone regeneration. The association between L-PRP and HA confers structural and rheological changes that differ among individual biomaterials but has not been investigated. Therefore, the standardization and characterization of L-PRP-HA are important to consider when comparing performance results to improve future clinical applications. To this end, we prepared semi-interpenetrating polymer networks (semi-IPNs) of L-PRP and HA and characterized their polymerization kinetics, morphology, swelling ratio, stability and rheological behavior, which we found to be tunable according to the HA molar mass (MM). Mesenchymal stem cells derived from human adipose tissue (h-AdMSCs) seeded in the semi-IPNs had superior viability and chondrogenesis and osteogenesis capabilities compared to the viability and capabilities of fibrin. We have demonstrated that the preparation of the semi-IPNs under controlled mixing ensured the formation of cell-friendly hydrogels rich in soluble factors and with tunable properties according to the HA MM, rendering them suitable for clinical applications in regenerative medicine.
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Affiliation(s)
- Bruna Alice Gomes de Melo
- Department of Engineering of Materials and Bioprocesses, School of Chemical Engineering, University of Campinas, 13083-852 Campinas, SP, Brazil
| | - Carla Giometti França
- Department of Engineering of Materials and Bioprocesses, School of Chemical Engineering, University of Campinas, 13083-852 Campinas, SP, Brazil
| | - José Luis Dávila
- Department of Manufacturing and Materials Engineering, School of Mechanical Engineering, University of Campinas, 13083-860 Campinas, SP, Brazil
| | - Nilza Alzira Batista
- Orthopaedic Biomaterials Laboratory, Faculty of Medical Sciences, University of Campinas, 13083-887 Campinas, SP, Brazil
| | | | - Marcos Akira d'Ávila
- Department of Manufacturing and Materials Engineering, School of Mechanical Engineering, University of Campinas, 13083-860 Campinas, SP, Brazil
| | | | | | - Maria Helena Andrade Santana
- Department of Engineering of Materials and Bioprocesses, School of Chemical Engineering, University of Campinas, 13083-852 Campinas, SP, Brazil.
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49
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A Hepatic Scaffold from Decellularized Liver Tissue: Food for Thought. Biomolecules 2019; 9:biom9120813. [PMID: 31810291 PMCID: PMC6995515 DOI: 10.3390/biom9120813] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 02/07/2023] Open
Abstract
Allogeneic liver transplantation is still deemed the gold standard solution for end-stage organ failure; however, donor organ shortages have led to extended waiting lists for organ transplants. In order to overcome the lack of donors, the development of new therapeutic options is mandatory. In the last several years, organ bioengineering has been extensively explored to provide transplantable tissues or whole organs with the final goal of creating a three-dimensional growth microenvironment mimicking the native structure. It has been frequently reported that an extracellular matrix-based scaffold offers a structural support and important biological molecules that could help cellular proliferation during the recellularization process. The aim of the present review is to underline the recent developments in cell-on-scaffold technology for liver bioengineering, taking into account: (1) biological and synthetic scaffolds; (2) animal and human tissue decellularization; (3) scaffold recellularization; (4) 3D bioprinting; and (5) organoid technology. Future possible clinical applications in regenerative medicine for liver tissue engineering and for drug testing were underlined and dissected.
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50
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García-Sánchez D, Fernández D, Rodríguez-Rey JC, Pérez-Campo FM. Enhancing survival, engraftment, and osteogenic potential of mesenchymal stem cells. World J Stem Cells 2019; 11:748-763. [PMID: 31692976 PMCID: PMC6828596 DOI: 10.4252/wjsc.v11.i10.748] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 07/15/2019] [Accepted: 07/29/2019] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are promising candidates for bone regeneration therapies due to their plasticity and easiness of sourcing. MSC-based treatments are generally considered a safe procedure, however, the long-term results obtained up to now are far from satisfactory. The main causes of these therapeutic limitations are inefficient homing, engraftment, and osteogenic differentiation. Many studies have proposed modifications to improve MSC engraftment and osteogenic differentiation of the transplanted cells. Several strategies are aimed to improve cell resistance to the hostile microenvironment found in the recipient tissue and increase cell survival after transplantation. These strategies could range from a simple modification of the culture conditions, known as cell-preconditioning, to the genetic modification of the cells to avoid cellular senescence. Many efforts have also been done in order to enhance the osteogenic potential of the transplanted cells and induce bone formation, mainly by the use of bioactive or biomimetic scaffolds, although alternative approaches will also be discussed. This review aims to summarize several of the most recent approaches, providing an up-to-date view of the main developments in MSC-based regenerative techniques.
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Affiliation(s)
- Daniel García-Sánchez
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, Cantabria 39011, Spain
| | - Darío Fernández
- Laboratorio de Biología Celular y Molecular, Facultad de Odontología, Universidad Nacional del Nordeste, Corrientes W3400, Argentina
| | - José C Rodríguez-Rey
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, Cantabria 39011, Spain
| | - Flor M Pérez-Campo
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, Cantabria 39011, Spain.
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