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Park SK, Shin JH, Lee DU, Jung JH, Hwang I, Yoo SH, Lee HC, Park I, Kim W, Lee DY, Choi DY. Facile Fabrication of Multifunctional Hydrogel Nanoweb Coating Using Carboxymethyl Chitosan-Based Short Nanofibers for Blood-Contacting Medical Devices. NANO LETTERS 2024; 24:8920-8928. [PMID: 38874568 DOI: 10.1021/acs.nanolett.4c01659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Blood-contacting medical devices (BCDs) require antithrombotic, antibacterial, and low-friction surfaces. Incorporating a nanostructured surface with the functional hydrogel onto BCD surfaces can enhance the performances; however, their fabrication remains challenging. Here, we introduce a straightforward method to fabricate a multifunctional hydrogel-based nanostructure on BCD surfaces using O-carboxymethyl chitosan-based short nanofibers (CMC-SNFs). CMC-SNFs, fabricated via electrospinning and cutting processes, are easily sprayed and entangled onto the BCD surface. The deposited CMC-SNFs form a robust nanoweb layer via fusion at the contact area of the nanofiber interfaces. The superhydrophilic CMC-SNF nanoweb surface creates a water-bound layer that effectively prevents the nonspecific adhesion of bacteria and blood cells, thereby enhancing both antimicrobial and antithrombotic performances. Furthermore, the CMC-SNF nanoweb exhibits excellent lubricity and durability on the bovine aorta. The demonstration results of the CMC-SNF coating on catheters and sheaths provide evidence of its capability to apply multifunctional surfaces simply for diverse BCDs.
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Affiliation(s)
- Se Kye Park
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
- Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jae Hak Shin
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
| | - Dong Uk Lee
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
| | - Jae Hee Jung
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
| | - Injoo Hwang
- Department of Mechanical Engineering, Silla University, Busan 46958, Republic of Korea
| | - Seung Hwa Yoo
- Department of Quantum System Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Han Chang Lee
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
| | - Inyong Park
- Department of Sustainable Environment Research, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of Korea
| | - Woojin Kim
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
| | - Dong Yun Lee
- Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Dong Yun Choi
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
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Xu Q, Qiu L, Gu Q, Wang X, Pan X, Tong M, Fu Y, Zhao Y, Xi H. P407 hydrogel loaded with nitric oxide microbubbles promotes angiogenesis and functional improvement in testicular transplantation. Biomater Sci 2024; 12:1004-1015. [PMID: 38196338 DOI: 10.1039/d3bm01521a] [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: 01/11/2024]
Abstract
Prepubertal male patients with cancer have decreased fertility after treatment, but there are currently no suitable means for fertility rescue. Testicular transplantation seems to be a promising treatment. The short-term insufficiency of blood supply after transplantation is the key problem that needs to be solved. In this research, nitric oxide (NO), a gas and small molecule transmitter with the effect of promoting angiogenesis, acted at the site of testicular transplantation. Herein, poloxamer-407 (P407) and lipid microbubble materials served as transport carriers for NO and helped NO to function at the transplant site. P407 hydrogel loaded with NO microbubbles (PNO) slowly released NO in vitro. The three-dimensional space of the hydrogel provided a stable environment for NO microbubbles, which is conducive to the continuous release of NO. In this study, 25% PNO (w/v) was selected, and the gelling temperature was 19.47 °C. The gelling efficiency was relatively high at body temperature. Rheological experiments showed that PNO, at this concentration, had stable mechanical properties. The results from in vivo experiments demonstrated that testicular grafts in the PNO group exhibited a notably accelerated blood flow recovery compared to the other groups. Additionally, the PNO group displayed a significant improvement in reproductive function recovery. In conclusion, PNO exhibited slow release of NO, and a small amount of NO promoted angiogenesis in testicular grafts and restored reproductive function.
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Affiliation(s)
- Qi Xu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325025, China.
- Department of pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, Zhejiang Province 325035, China.
| | - Lin Qiu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325025, China.
| | - Qin Gu
- Department of pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, Zhejiang Province 325035, China.
| | - Xinji Wang
- Department of pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, Zhejiang Province 325035, China.
| | - Xiehua Pan
- Department of pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, Zhejiang Province 325035, China.
| | - Mengqi Tong
- Department of pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, Zhejiang Province 325035, China.
| | - Yanghua Fu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325025, China.
| | - Yingzheng Zhao
- Department of pharmaceutics, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou City, Zhejiang Province 325035, China.
| | - Haitao Xi
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325025, China.
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Galocha-León C, Antich C, Voltes-Martínez A, Marchal JA, Mallandrich M, Halbaut L, Rodríguez-Lagunas MJ, Souto EB, Clares-Naveros B, Gálvez-Martín P. Development and characterization of a poloxamer hydrogel composed of human mesenchymal stromal cells (hMSCs) for reepithelization of skin injuries. Int J Pharm 2023; 647:123535. [PMID: 37865132 DOI: 10.1016/j.ijpharm.2023.123535] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/14/2023] [Accepted: 10/17/2023] [Indexed: 10/23/2023]
Abstract
Wound healing is a natural physiological reaction to tissue injury. Hydrogels show attractive advantages in wound healing not only due to their biodegradability, biocompatibility and permeability but also because provide an excellent environment for cell migration and proliferation. The main objective of the present study was the design and characterization of a hydrogel loaded with human mesenchymal stromal cells (hMSCs) for use in would healing of superficial skin injures. Poloxamer 407® was used as biocompatible biomaterial to embed hMSCs. The developed hydrogel containing 20 % (w/w) of polymer resulted in the best formulation with respect to physical, mechanical, morphological and biological properties. Its high swelling capacity confirmed the hydrogel's capacity to absorb wounds' exudate. LIVE/DEAD® assay confirm that hMSCs remained viable for at least 48 h when loaded into the hydrogels. Adding increasing concentrations of hMSCs-loaded hydrogel to the epithelium did not affect keratinocytes' viability and healing capacity and all wound area was closed in less than one day. Our study opens opportunities to exploit poloxamer hydrogels as cell carriers for the treatment of skin superficial wound.
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Affiliation(s)
- Cristina Galocha-León
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain
| | - Cristina Antich
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, University of Granada, 18100 Granada, Spain; Biosanitary Institute of Granada (ibs.GRANADA), University Hospital of Granada-University of Granada, 18100 Granada, Spain; Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18012 Granada, Spain; Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain
| | - Ana Voltes-Martínez
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, University of Granada, 18100 Granada, Spain; Biosanitary Institute of Granada (ibs.GRANADA), University Hospital of Granada-University of Granada, 18100 Granada, Spain; Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18012 Granada, Spain; Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain; BioFab i3D Lab - Biofabrication and 3D (Bio)printing Singular Laboratory, University of Granada, 18100 Granada, Spain
| | - Juan A Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, University of Granada, 18100 Granada, Spain; Biosanitary Institute of Granada (ibs.GRANADA), University Hospital of Granada-University of Granada, 18100 Granada, Spain; Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18012 Granada, Spain; Excellence Research Unit "Modeling Nature" (MNat), University of Granada, 18016 Granada, Spain; BioFab i3D Lab - Biofabrication and 3D (Bio)printing Singular Laboratory, University of Granada, 18100 Granada, Spain
| | - Mireia Mallandrich
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain; Institut de Nanociència i Nanotecnologia IN2UB, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Lyda Halbaut
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain; Institut de Nanociència i Nanotecnologia IN2UB, Universitat de Barcelona, 08028 Barcelona, Spain
| | - María J Rodríguez-Lagunas
- Department of Biochemistry & Physiology, Faculty of Pharmacy & Food Sciences, University of Barcelona, 08028 Barcelona, Spain; Institute of Biomedicine, University of Barcelona, 08028 Barcelona, Spain
| | - Eliana B Souto
- UCIBIO - Applied Molecular Biosciences Unit, MEDTECH, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
| | - Beatriz Clares-Naveros
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain; Biosanitary Institute of Granada (ibs.GRANADA), University Hospital of Granada-University of Granada, 18100 Granada, Spain; Institut de Nanociència i Nanotecnologia IN2UB, Universitat de Barcelona, 08028 Barcelona, Spain.
| | - Patricia Gálvez-Martín
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain; R&D Human and Animal Health, Bioibérica S.A.U., 08029 Barcelona, Spain
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Yanamandra AK, Bhusari S, Del Campo A, Sankaran S, Qu B. In vitro evaluation of immune responses to bacterial hydrogels for the development of living therapeutic materials. BIOMATERIALS ADVANCES 2023; 153:213554. [PMID: 37480604 DOI: 10.1016/j.bioadv.2023.213554] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/24/2023]
Abstract
In living therapeutic materials (LTMs), organisms genetically programmed to produce and deliver drugs are encapsulated in porous matrices acting as physical barriers between the therapeutic organisms and the host cells. LTMs consisting of engineered E. coli encapsulated in Pluronic F127-based hydrogels have been frequently used in LTM designs but their immunogenicity has not been tested. In this study, we investigate the response of human peripheral blood mononuclear cells (PBMCs) exposed to this bacteria/hydrogel combination. The release of inflammation-related cytokines and cytotoxic proteins and the subsets of natural killer cells and T cells were examined. Encapsulation of the bacteria in hydrogels considerably lowers their immunogenicity. ClearColi, an endotoxin-free variant of E. coli, did not polarize NK cells into the more cytolytic CD16dim subset as E. coli. Our results demonstrate that ClearColi-encapsulated hydrogels generate low immunogenic response and are suitable candidates for the development of LTMs for in vivo testing to assess a potential clinical use. Nevertheless, we observed a stronger immune response (elevated levels of IFNγ, IL-6 and cytotoxic proteins) in pro-inflammatory PBMCs characterized by a high spontaneous release of IL-2. This highlights the need to identify recipients who have a higher likelihood of experiencing undesired immune responses to LTMs with IL-2 serving as a potential predictive marker. Additionally, including anti-inflammatory measures in living therapeutic material designs could be beneficial for such recipients.
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Affiliation(s)
- Archana K Yanamandra
- Biophysics, Center for Integrative Physiology and Molecular Medicine (CIPMM), School of Medicine, Saarland University, Homburg, Germany; INM - Leibniz Institute for New Materials, Saarbrücken, Germany
| | - Shardul Bhusari
- INM - Leibniz Institute for New Materials, Saarbrücken, Germany; Chemistry Department, Saarland University, 66123 Saarbrücken, Germany
| | - Aránzazu Del Campo
- INM - Leibniz Institute for New Materials, Saarbrücken, Germany; Chemistry Department, Saarland University, 66123 Saarbrücken, Germany
| | | | - Bin Qu
- Biophysics, Center for Integrative Physiology and Molecular Medicine (CIPMM), School of Medicine, Saarland University, Homburg, Germany; INM - Leibniz Institute for New Materials, Saarbrücken, Germany.
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Liu Z, Zhang Y, Huang J, Wang Y, Kang X. In-situ formed thermosensitive hydrogel amplifies statin-mediated immune checkpoint blockade for coordinated tumor chemo-immunotherapy. Front Pharmacol 2023; 14:1154392. [PMID: 37229252 PMCID: PMC10204804 DOI: 10.3389/fphar.2023.1154392] [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: 01/30/2023] [Accepted: 04/28/2023] [Indexed: 05/27/2023] Open
Abstract
Small molecule drugs are the next-generation of immune checkpoint inhibitors (ICIs), but their in vivo therapeutic outcomes remain unsatisfactory for a long time. Herein, we proposed a combinatory regimen that delivered a small molecule ICI and an immunogenic cell death inducer in an in-situ formed hydrogel scaffold based on thermosensitive materials (Pluronic F127). This platform increased the tumor retention of administrated small molecules, creating more opportunities for the interaction between drugs and tumor cells. We found that atorvastatin (ATO) effectively downregulated the expression of programmed death ligand 1 (PD-L1) and reversed compensative PD-L1 upregulation after cyclophosphamide (CTX) chemotherapy on CT26 colon tumors. CTX not only killed tumor cells to reduce the tumor burden, but also release damage-associated molecular patterns (DAMPs) to stimulate T cell immunity, therefore amplifying statin-mediated immunotherapy. The platform reported in this study might be promising to overcome the limitation of small molecule ICIs with short retention time and potentiate tumor chemo-immunotherapy.
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Affiliation(s)
- Zefan Liu
- *Correspondence: Zefan Liu, ; Xin Kang,
| | | | | | | | - Xin Kang
- *Correspondence: Zefan Liu, ; Xin Kang,
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Simaan-Yameen H, Bar-Am O, Saar G, Seliktar D. Methacrylated Fibrinogen Hydrogels for 3D Cell Culture and Delivery. Acta Biomater 2023; 164:94-110. [PMID: 37030621 DOI: 10.1016/j.actbio.2023.03.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/28/2023] [Accepted: 03/31/2023] [Indexed: 04/08/2023]
Abstract
Methacrylation was performed on fibrinogen to design a new biomedical hydrogel for 3D cell culture or as a biodegradable delivery matrix for in vivo implantation. The methacrylation of denatured fibrinogen in solution was performed using methacrylic anhydride (MAA). The extent of fibrinogen methacrylation was quantified by proton NMR and controlled using stochiometric quantities of MAA during the reaction. The methacrylated fibrinogen (FibMA) hydrogels were formed by light-activated free-radical polymerization in the presence of macromolecular cross-linking polymers made from acrylated poly(ethylene glycol) (PEG). The biocompatibility and biodegradability of the FibMA hydrogels were characterized by in vitro assays and in vivo implantation experiments using quantitative magnetic resonance imaging (MRI) of the implant volume. The FibMA supported the growth and metabolic activity of human dermal fibroblasts in both 2D and 3D cultures. The methacrylation did not alter important biological attributes of the fibrinogen, including the ability to support cell adhesion and 3D cell culture, as well as to undergo proteolysis. Animal experiments confirmed the biodegradability of the FibMA for potential use as a scaffold in tissue engineering, as a bioink for 3D printing, or as a biodegradable matrix for in vivo sustained delivery of bioactive factors. STATEMENT OF SIGNIFICANCE: : This paper describes methacrylated fibrinogen (FibMA) and the formation of a biomedical hydrogel from FibMA for cell culture and other biomedical applications. Inspired from methacrylated gelatin (GelMA), the FibMA is made from blood-derived fibrinogen which is more suitable for clinical use. Sharing similar properties to other hydrogels made from methacrylated proteins, the FibMA has yet to be reported in the literature. In this manuscript, we provide the methodology to produce the FibMA hydrogels, we document the mechanical versatility of this new biomaterial, and we show the biocompatibility using 3D cell culture studies and in vivo implantations.
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Bober Z, Aebisher D, Olek M, Kawczyk-Krupka A, Bartusik-Aebisher D. Multiple Cell Cultures for MRI Analysis. Int J Mol Sci 2022; 23:10109. [PMID: 36077507 PMCID: PMC9456466 DOI: 10.3390/ijms231710109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 11/25/2022] Open
Abstract
Magnetic resonance imaging (MRI) is an imaging method that enables diagnostics. In recent years, this technique has been widely used for research using cell cultures used in pharmaceutical science to understand the distribution of various drugs in a variety of biological samples, from cellular models to tissues. MRI's dynamic development in recent years, in addition to diagnostics, has allowed the method to be implemented to assess response to applied therapies. Conventional MRI imaging provides anatomical and pathological information. Due to advanced technology, MRI provides physiological information. The use of cell cultures is very important in the process of testing new synthesized drugs, cancer research, and stem cell research, among others. Two-dimensional (2D) cell cultures conducted under laboratory conditions, although they provide a lot of information, do not reflect the basic characteristics of the tumor. To replicate the tumor microenvironment in science, a three-dimensional (3D) culture of tumor cells was developed. This makes it possible to reproduce in vivo conditions where, in addition, there is a complex and dynamic process of cell-to-cell communication and cell-matrix interaction. In this work, we reviewed current research in 2D and 3D cultures and their use in MRI studies. Articles for each section were collected from PubMed, ScienceDirect, Web of Science, and Google Scholar.
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Affiliation(s)
- Zuzanna Bober
- Department of Photomedicine and Physical Chemistry, Medical College of Rzeszów University, University of Rzeszów, 35-310 Rzeszów, Poland
| | - David Aebisher
- Department of Photomedicine and Physical Chemistry, Medical College of Rzeszów University, University of Rzeszów, 35-310 Rzeszów, Poland
| | - Marcin Olek
- Department of Orthodontics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 40-055 Katowice, Poland
| | - Aleksandra Kawczyk-Krupka
- Center for Laser Diagnostics and Therapy, Department of Internal Medicine, Angiology and Physical Medicine, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
| | - Dorota Bartusik-Aebisher
- Department of Biochemistry and General Chemistry, Medical College of Rzeszów University, University of Rzeszów, 35-310 Rzeszów, Poland
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De S, Singh N. Advancements in Three Dimensional In-Vitro Cell Culture Models. CHEM REC 2022; 22:e202200058. [PMID: 35701102 DOI: 10.1002/tcr.202200058] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/26/2022] [Indexed: 12/27/2022]
Abstract
The scientific field is observing a gradual shift from monolayer cultures to three-dimensional (3D) models, as they give a more relevant data in pre-clinical stages. This review summarizes the major techniques and materials used to develop 3D platforms, especially for cancer. It also discusses the challenges and some unresolved issues of the field and highlights some techniques that have made it to the market.
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Affiliation(s)
- Shreemoyee De
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Neetu Singh
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.,Biomedical Engineering Unit, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
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Aslam M, Barkat K, Malik NS, Alqahtani MS, Anjum I, Khalid I, Tulain UR, Gohar N, Zafar H, Paiva-Santos AC, Raza F. pH Sensitive Pluronic Acid/Agarose-Hydrogels as Controlled Drug Delivery Carriers: Design, Characterization and Toxicity Evaluation. Pharmaceutics 2022; 14:1218. [PMID: 35745795 PMCID: PMC9229590 DOI: 10.3390/pharmaceutics14061218] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/03/2022] [Accepted: 06/06/2022] [Indexed: 02/06/2023] Open
Abstract
The objective of this study was to fabricate and evaluate a pH sensitive cross-linked polymeric network through the free radical polymerization technique for the model drug, cyclophosphamide, used in the treatment of non-Hodgkin's lymphoma. The Hydrogels were prepared using a polymeric blend of agarose, Pluronic acid, glutaraldehyde, and methacrylic acid. The prepared hydrogels were characterized for drug loading (%), swelling pattern, release behavior, the ingredient's compatibility, structural evaluation, thermal integrity, and toxicity evaluation in rabbits. The new polymer formation was evident from FTIR findings. The percentage loaded into the hydrogels was in the range of 58.65-75.32%. The developed hydrogels showed significant differences in swelling dynamics and drug release behavior in simulated intestinal fluid (SIF) when compared with simulated gastric fluid (SGF). The drug release was persistent and performed in a controlled manner for up to 24 h. A toxicity study was conducted on white albino rabbits. The developed hydrogels did not show any signs of ocular, skin, or oral toxicity; therefore, these hydrogels can be regarded as safe and potential carriers for controlled drug delivery in biomedical applications.
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Affiliation(s)
- Mariam Aslam
- Faculty of Pharmacy, The University of Lahore, Lahore 54000, Pakistan; (M.A.); (I.A.)
| | - Kashif Barkat
- Faculty of Pharmacy, The University of Lahore, Lahore 54000, Pakistan; (M.A.); (I.A.)
| | - Nadia Shamshad Malik
- Faculty of Pharmacy, Capital University of Science and Technology (CUST), Islamabad 44000, Pakistan; (N.S.M.); (N.G.)
| | - Mohammed S. Alqahtani
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Irfan Anjum
- Faculty of Pharmacy, The University of Lahore, Lahore 54000, Pakistan; (M.A.); (I.A.)
| | - Ikrima Khalid
- Faculty of Pharmaceutical Sciences, GC University, Faisalabad 38000, Pakistan;
| | - Ume Ruqia Tulain
- Faculty of Pharmacy, University of Sargodha, Sargodha 40100, Pakistan;
| | - Nitasha Gohar
- Faculty of Pharmacy, Capital University of Science and Technology (CUST), Islamabad 44000, Pakistan; (N.S.M.); (N.G.)
| | - Hajra Zafar
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan, Road, Shanghai 200240, China;
| | - Ana Cláudia Paiva-Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal;
- REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Faisal Raza
- Faculty of Pharmacy, Capital University of Science and Technology (CUST), Islamabad 44000, Pakistan; (N.S.M.); (N.G.)
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan, Road, Shanghai 200240, China;
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Hamami R, Simaan-Yameen H, Gargioli C, Seliktar D. Comparison of Four Different Preparation Methods for Making Injectable Microgels for Tissue Engineering and Cell Therapy. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2022. [DOI: 10.1007/s40883-022-00261-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Chen X, Zhou C, Wang J, Wu T, Lei E, Wang Y, Huang G, Yu Y, Cai Q, Pu H, Feng X, Bai Y. Improving the Hemocompatibility of Antimicrobial Peptidomimetics through Amphiphilicity Masking Using a Secondary Amphiphilic Polymer. Adv Healthc Mater 2022; 11:e2200546. [PMID: 35545965 DOI: 10.1002/adhm.202200546] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/05/2022] [Indexed: 12/19/2022]
Abstract
Antimicrobial peptidomimetics (AMPMs) have received widespread attention as potentially powerful weapons against antibiotic resistance. However, AMPMs' membrane disruption mechanism not only brings resistance-resistant nature, but also nonspecific binding and disruption toward eukaryotic cell membranes, and consequently, their hemolytic activity is the primary concern on clinical applications. Here, the preparation and screening of an AMPM library is reported, through which a best-performing hit, PT-b1, can be obtained. To further improve PT-b1's hemocompatibility, a strategy is devised to mask the amphiphilicity of the AMPM using a charge-free, FDA-approved amphiphilic polymer, Pluronic F-127 (PF127). A PF127 solution containing PT-b1 can form a temperature-sensitive, absorbable hydrogel at higher concentration, but dissolve and complex with PT-b1 through hydrophobic interactions at lower concentration or lower temperature. The complexation from PF127 can mask the amphiphilicity of PT-b1 and render it extremely hemocompatible, yet the reversibility in such nanocomplexation and the existence of a secondary mechanism of action ensure that the AMPM's potency remains unchanged. The in vivo effectiveness of this antimicrobial hydrogel system is demonstrated using a mice wound infection model established with Methicillin-resistant Staphylococcus aureus, and observations indicate the hydrogel can promote wound healing and suppress bacteria-caused inflammation even when resistant pathogens are involved.
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Affiliation(s)
- Xianhui Chen
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Cailing Zhou
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Jianxue Wang
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Tong Wu
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - E Lei
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Yi Wang
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Guopu Huang
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Yue Yu
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Qingyun Cai
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Huangsheng Pu
- College of Advanced Interdisciplinary Studies National University of Defense Technology Changsha 410073 China
| | - Xinxin Feng
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
| | - Yugang Bai
- State Key Laboratory of Chem‐/Bio‐Sensing and Chemometrics and School of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 China
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12
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Hawkins J, Miao X, Cui W, Sun Y. Surface functionalization of poly(dimethylsiloxane) substrates facilitates culture of pre-implantation mouse embryos by blocking non-selective adsorption. J R Soc Interface 2022; 19:20210929. [PMID: 35382579 PMCID: PMC8984368 DOI: 10.1098/rsif.2021.0929] [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: 11/12/2022] Open
Abstract
Poly(dimethylsiloxane) (PDMS) is widely used in biomedical settings such as microfluidics for its optical transparency, castability, gas permeability and relative biocompatibility. While PDMS devices with certain modifications or treatments have been used for mammalian pre-implantation embryo culture, it is unclear why native PDMS leads to significant embryo death. In this study, we employ Nile Red as a model hydrophobic small molecule to demonstrate that significant hydrophobic sequestration occurs on native PDMS substrates even with a bovine serum albumin-containing KSOM pre-equilibration. Our results suggest that this small molecule sequestration has detrimental effects on mouse embryo development in PDMS static culture wells, with 0% blastocyst development rates from embryos cultured on native PDMS. We found that prior saturation of the PDMS culture well with water vapour only rescues about 10% of blastocyst development rates, indicating osmolality alone is not responsible for the high rates of embryo arrest. We also present a safe and simple Pluronic F127 pretreatment for PDMS substrates that successfully circumvented the harmful effects of native PDMS, achieving a blastocyst and implantation rate akin to that of our polystyrene controls. Our results call into question how researchers and clinicians can account for the alterations in medium composition and embryo secretions when using hydrophobic substrates, especially in the mammalian embryo culture setting where minimum effective concentrations of peptides and amino acids are commonplace.
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Affiliation(s)
- Jamar Hawkins
- Department of Mechanical and Industrial Engineering, University of Massachusetts, Amherst, MA 01003, USA
| | - Xiaosu Miao
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | - Wei Cui
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA.,Animal Models Core Facility, Institute for Applied Life Sciences (IALS), University of Massachusetts, Amherst, MA 01003, USA
| | - Yubing Sun
- Department of Mechanical and Industrial Engineering, University of Massachusetts, Amherst, MA 01003, USA.,Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA.,Department of Biomedical Engineering, University of Massachusetts, Amherst, MA 01003, USA
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13
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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: 102] [Impact Index Per Article: 51.0] [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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14
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Butelmann T, Priks H, Parent Z, Johnston TG, Tamm T, Nelson A, Lahtvee PJ, Kumar R. Metabolism Control in 3D-Printed Living Materials Improves Fermentation. ACS APPLIED BIO MATERIALS 2021; 4:7195-7203. [PMID: 35006951 DOI: 10.1021/acsabm.1c00754] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The three-dimensional (3D) printing of cell-containing polymeric hydrogels creates living materials (LMs), offering a platform for developing innovative technologies in areas like biosensors and biomanufacturing. The polymer material properties of cross-linkable F127-bis-urethane methacrylate (F127-BUM) allow reproducible 3D printing and stability in physiological conditions, making it suitable for fabricating LMs. Though F127-BUM-based LMs permit diffusion of solute molecules like glucose and ethanol, it remains unknown whether these are permissible for oxygen, essential for respiration. To determine oxygen permissibility, we quantified dissolved oxygen consumption by the budding yeast-laden F127-BUM-based LMs. Moreover, we obtained data on cell-retaining LMs, which allowed a direct comparison between LMs and suspension cultures. We further developed a highly reliable method to isolate cells from LMs for flow cytometry analysis, cell viability evaluation, and the purification of macromolecules. We found oxygen consumption heavily impaired inside LMs, indicating that yeast metabolism relies primarily on fermentation instead of respiration. Applying this finding to brewing, we observed a higher (3.7%) ethanol production using LMs than the traditional brewing process, indicating improved fermentation. Our study concludes that the present F127-BUM-based LMs are useful for microaerobic processes but developing aerobic bioprocesses will require further research.
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Affiliation(s)
- Tobias Butelmann
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia.,Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany
| | - Hans Priks
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia
| | - Zoel Parent
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Trevor G Johnston
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Tarmo Tamm
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia
| | - Alshakim Nelson
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Petri-Jaan Lahtvee
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia.,Department of Chemistry and Biotechnology, Tallinn University of Technology, 12618 Tallinn, Estonia
| | - Rahul Kumar
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia.,Department of Chemistry and Biotechnology, Tallinn University of Technology, 12618 Tallinn, Estonia
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15
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Haidari H, Kopecki Z, Bright R, Cowin AJ, Garg S, Goswami N, Vasilev K. Ultrasmall AgNP-Impregnated Biocompatible Hydrogel with Highly Effective Biofilm Elimination Properties. ACS APPLIED MATERIALS & INTERFACES 2020; 12:41011-41025. [PMID: 32840353 DOI: 10.1021/acsami.0c09414] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Ultrasmall silver nanoparticles (AgNPs; size < 3 nm) have attracted a great deal of interest as an alternative to commercially available antibiotics due to their ability to eliminate a wide range of microbial pathogens. However, most of these ultrasmall AgNPs are highly reactive and unstable, as well as susceptible to fast oxidation. Therefore, both the stability and toxicity remain major shortcomings for their clinical application and uptake. To circumvent these problems, we present a novel strategy to impregnate ultrasmall AgNPs into a biocompatible thermosensitive hydrogel that enables controlled release of silver alongside long-term storage stability and highly potent antibacterial activity. The advantage of this strategy lies in the combination of a homogenous dispersion of AgNPs in a hydrogel network, which serves as a sustained-release reservoir, and the unique feature of ultrasmall AgNP size, which provides an improved biofilm eradication capacity. The superior biofilm dispersion properties of the AgNP hydrogel is demonstrated in both single-species and multispecies biofilms, eradicating ∼80% of established biofilms compared to untreated controls. Notably, the effective antibacterial concentration of the formulation shows minimal toxicity to human fibroblasts and keratinocytes. These findings present a promising novel strategy for the development of AgNP hydrogels as an efficient antibacterial platform to combat resistant bacterial biofilms associated with wound infections.
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Affiliation(s)
| | | | | | | | | | - Nirmal Goswami
- Materials Chemistry Department, CSIR-Institute of Minerals and Materials Technology, Acharya Vihar, Bhubaneswar 751013, India
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16
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Karges J, Chao H, Gasser G. Synthesis, Characterization, and Biological Evaluation of the Polymeric Encapsulation of a Ruthenium(II) Polypyridine Complex with Pluronic F‐127/Poloxamer‐407 for Photodynamic Therapy Applications. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000545] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Johannes Karges
- Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology Chimie ParisTech, PSL University, CNRS 75005 Paris France
| | - Hui Chao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat‐Sen University 510275 Guangzhou People's Republic of China
| | - Gilles Gasser
- Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology Chimie ParisTech, PSL University, CNRS 75005 Paris France
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17
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Priks H, Butelmann T, Illarionov A, Johnston TG, Fellin C, Tamm T, Nelson A, Kumar R, Lahtvee PJ. Physical Confinement Impacts Cellular Phenotypes within Living Materials. ACS APPLIED BIO MATERIALS 2020; 3:4273-4281. [PMID: 32715284 PMCID: PMC7375193 DOI: 10.1021/acsabm.0c00335] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 06/07/2020] [Indexed: 02/07/2023]
Abstract
![]()
Additive
manufacturing allows three-dimensional printing of polymeric
materials together with cells, creating living materials for applications
in biomedical research and biotechnology. However, an understanding
of the cellular phenotype within living materials is lacking, which
is a key limitation for their wider application. Herein, we present
an approach to characterize the cellular phenotype within living materials.
We immobilized the budding yeast Saccharomyces cerevisiae in three different photo-cross-linkable triblock polymeric hydrogels
containing F127-bis-urethane methacrylate, F127-dimethacrylate, or
poly(alkyl glycidyl ether)-dimethacrylate. Using optical and scanning
electron microscopy, we showed that hydrogels based on these polymers
were stable under physiological conditions, but yeast colonies showed
differences in the interaction within the living materials. We found
that the physical confinement, imparted by compositional and structural
properties of the hydrogels, impacted the cellular phenotype by reducing
the size of cells in living materials compared with suspension cells.
These properties also contributed to the differences in immobilization
patterns, growth of colonies, and colony coatings. We observed that
a composition-dependent degradation of polymers was likely possible
by cells residing in the living materials. In conclusion, our investigation
highlights the need for a holistic understanding of the cellular response
within hydrogels to facilitate the synthesis of application-specific
polymers and the design of advanced living materials in the future.
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Affiliation(s)
- Hans Priks
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia
| | - Tobias Butelmann
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia
| | | | - Trevor G Johnston
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Christopher Fellin
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Tarmo Tamm
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia
| | - Alshakim Nelson
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Rahul Kumar
- Institute of Technology, University of Tartu, 50411 Tartu, Estonia
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18
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Cui X, Soliman BG, Alcala‐Orozco CR, Li J, Vis MAM, Santos M, Wise SG, Levato R, Malda J, Woodfield TBF, Rnjak‐Kovacina J, Lim KS. Rapid Photocrosslinking of Silk Hydrogels with High Cell Density and Enhanced Shape Fidelity. Adv Healthc Mater 2020; 9:e1901667. [PMID: 31943911 DOI: 10.1002/adhm.201901667] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/12/2019] [Indexed: 12/14/2022]
Abstract
Silk fibroin hydrogels crosslinked through di-tyrosine bonds are clear, elastomeric constructs with immense potential in regenerative medicine applications. In this study, demonstrated is a new visible light-mediated photoredox system for di-tyrosine bond formation in silk fibroin that overcomes major limitations of current conventional enzymatic-based crosslinking. This photomediated system rapidly crosslinks silk fibroin (<1 min), allowing encapsulation of cells at significantly higher cell densities (15 million cells mL-1 ) while retaining high cell viability (>80%). The photocrosslinked silk hydrogels present more stable mechanical properties which do not undergo spontaneous transition to stiff, β-sheet-rich networks typically seen for enzymatically crosslinked systems. These hydrogels also support long-term culture of human articular chondrocytes, with excellent cartilage tissue formation. This system also facilitates the first demonstration of biofabrication of silk fibroin constructs in the absence of chemical modification of the protein structure or rheological additives. Cell-laden constructs with complex, ordered, graduated architectures, and high resolution (40 µm) are fabricated using the photocrosslinking system, which cannot be achieved using the enzymatic crosslinking system. Taken together, this work demonstrates the immense potential of a new crosslinking approach for fabrication of elastomeric silk hydrogels with applications in biofabrication and tissue regeneration.
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Affiliation(s)
- Xiaolin Cui
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
- Medical Technologies Centre of Research Excellence Auckland 1010 New Zealand
| | - Bram G. Soliman
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
| | - Cesar R. Alcala‐Orozco
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
| | - Jun Li
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
| | - Michelle A. M. Vis
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
| | - Miguel Santos
- School of Medical Sciences Department of Physiology University of Sydney Camperdown NSW 2006 Australia
- Charles Perkins Centre University of Sydney Camperdown NSW 2006 Australia
| | - Steven G. Wise
- School of Medical Sciences Department of Physiology University of Sydney Camperdown NSW 2006 Australia
- Charles Perkins Centre University of Sydney Camperdown NSW 2006 Australia
| | - Riccardo Levato
- Regenerative Medicine Center Utrecht Heidelberglaan 100 3584 CX Utrecht The Netherlands
- Department of Orthopaedics University Medical Center Utrecht Heidelberglaan 100 3584 CX Utrecht The Netherlands
| | - Jos Malda
- Regenerative Medicine Center Utrecht Heidelberglaan 100 3584 CX Utrecht The Netherlands
- Department of Orthopaedics University Medical Center Utrecht Heidelberglaan 100 3584 CX Utrecht The Netherlands
- Department of Equine Sciences Faculty of Veterinary Medicine Utrecht University Domplein 29 3512 JE Utrecht The Netherlands
| | - Tim B. F. Woodfield
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
- Medical Technologies Centre of Research Excellence Auckland 1010 New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery Auckland 1010 New Zealand
| | - Jelena Rnjak‐Kovacina
- Graduate School of Biomedical Engineering University of New South Wales Sydney 2052 Australia
| | - Khoon S. Lim
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
- Medical Technologies Centre of Research Excellence Auckland 1010 New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery Auckland 1010 New Zealand
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19
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Sheelarani B, Karunanithi P, Dash S. Effect of valency of cation on micellization behaviour of pluronic mixed micelle F127 and L64. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.136956] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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20
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Wang H, Ma Z, Liu J, Shi Q, Yin J. Reduction of thrombotic and inflammatory complications of polystyrene-block-polyisoprene-block-polystyrene (SIS) with one-step electrospinning. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 31:642-657. [PMID: 31860378 DOI: 10.1080/09205063.2019.1707943] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Polystyrene-block-polyisoprene-block-polystyrene (SIS) has been used as biomaterials due to its soft and stable properties under physiological conditions. However, the thrombotic and inflammatory complications caused by SIS restrain its application as blood-contacting implant. To overcome this problem, the hydrophilic core-shell structured SIS-based microfiber with antioxidant encapsulation is fabricated with one-step reactive electrospinning. We demonstrate that the phase separation of SIS and acylated Pluronic F127 (F127-DA) components and crosslinking during electrospinning renders the microfiber blood compatible and stable under physiological condition; the encapsulation of 2-O-d-glucopyranosyl-l-ascorbic acid (AA-2G) in microfiber and subsequent release of AA-2G detoxifies the excess reactive oxygen species (ROS). The microfibers are nontoxic to cells and promote the fast growth and proliferation of human umbilical vein endothelial cells (HUVECs) in the presence of ROS; the thrombotic and inflammatory complications are effectively reduced with implant evaluation in vivo. Therefore, our work paves a new way to improve the biocompatibility of SIS, making it a promising candidate for blood contact materials.
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Affiliation(s)
- Haozheng Wang
- Key Laboratory of Functional Polymer Materials and State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Zhifang Ma
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Jingchuan Liu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Qiang Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Jinghua Yin
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
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21
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Yosef A, Kossover O, Mironi‐Harpaz I, Mauretti A, Melino S, Mizrahi J, Seliktar D. Fibrinogen-Based Hydrogel Modulus and Ligand Density Effects on Cell Morphogenesis in Two-Dimensional and Three-Dimensional Cell Cultures. Adv Healthc Mater 2019; 8:e1801436. [PMID: 31081289 DOI: 10.1002/adhm.201801436] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/08/2019] [Indexed: 12/15/2022]
Abstract
There is a need to further explore the convergence of mechanobiology and dimensionality with systematic investigations of cellular response to matrix mechanics in 2D and 3D cultures. Here, a semisynthetic hydrogel capable of supporting both 2D and 3D cell culture is applied to investigate cell response to matrix modulus and ligand density. The culture materials are fabricated from adducts of polyethylene glycol (PEG) or PluronicF127 and fibrinogen fragments, formed into hydrogels by free-radical polymerization, and characterized by shear rheology. Control over the modulus of the materials is accomplished by changing the concentration of synthetic PEG-diacrylate crosslinker (0.5% w/v), and by altering the molecular length of the PEG (10 and 20 kDa). Control over ligand density is accomplished by changing fibrinogen concentrations from 3 to 12 mg mL-1 . In 2D culture, cell motility parameters, including cell speed and persistence time are significantly increased with increasing modulus. In both 2D and 3D culture, cells express vinculin and there is evidence of focal adhesion formation in the high stiffness materials. The modulus- and ligand-dependent morphogenesis response from the cells in 2D culture is contradictory to the same measured response in 3D culture. In 2D culture, anchorage-dependent cells become more elongated and significantly increase their size with increasing ligand density and matrix modulus. In 3D culture, the same anchorage-dependent cells become less spindled and significantly reduce their size in response to increasing ligand density and matrix modulus. These differences arise from dimensionality constraints, most notably the encapsulation of cells in a non-porous hydrogel matrix. These insights underscore the importance of mechanical properties in regulating cell morphogenesis in a 3D culture milieu. The versatility of the hydrogel culture environment further highlights the significance of a modular approach when developing materials that aim to optimize the cell culture environment.
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Affiliation(s)
- Andrei Yosef
- Faculty of Biomedical EngineeringTechnion—Israel Institute of Technology Haifa 32000 Israel
| | - Olga Kossover
- Faculty of Biomedical EngineeringTechnion—Israel Institute of Technology Haifa 32000 Israel
| | - Iris Mironi‐Harpaz
- Faculty of Biomedical EngineeringTechnion—Israel Institute of Technology Haifa 32000 Israel
| | - Arianna Mauretti
- Department of Chemical Sciences and TechnologiesUniversity of Rome “Tor Vergata” Via della Ricerca Scientifica 1 00133 Rome Italy
| | - Sonia Melino
- Department of Chemical Sciences and TechnologiesUniversity of Rome “Tor Vergata” Via della Ricerca Scientifica 1 00133 Rome Italy
- CIMER Center of Regenerative MedicineTor Vergata Via della Ricerca Scientifica 00133 Rome Italy
| | - Joseph Mizrahi
- Faculty of Biomedical EngineeringTechnion—Israel Institute of Technology Haifa 32000 Israel
| | - Dror Seliktar
- Faculty of Biomedical EngineeringTechnion—Israel Institute of Technology Haifa 32000 Israel
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22
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23
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Luan X, Wang H, Xiang Z, Zhao J, Feng Y, Shi Q, Baijun Liu, Gong Y, Wong SC, Yin J. Construction of K + responsive surface on SEBS to reduce the hemolysis of preserved erythrocytes. RSC Adv 2019; 9:5251-5258. [PMID: 35515950 PMCID: PMC9060672 DOI: 10.1039/c8ra08215d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 01/05/2019] [Indexed: 02/04/2023] Open
Abstract
Hemolysis of stored erythrocytes is a big obstacle for the development of new plasticizer-free polymer containers. Hemolysis is mainly caused by cell membrane oxidation and cation leaks from the intracellular fluid during storage. To construct an anti-hemolytic surface for a plasticizer-free polymer, we fabricated 2-O-α-d-glucopyranosyl-l-ascorbic acid (AA-2G)-loaded polycaprolactone (PCL)-crown ether micro/nanofibers on the surface of styrene-b-(ethylene-co-butylene)-b-styrene (SEBS). Our strategy is based on the sensitive response of the crown ether to leaked potassium, causing the release of AA-2G, the AA-2G can then remove the excess ROS, maintaining the Na/K-pump activity and the cell integrity. We demonstrated that the PCL-crown ether micro/nanofibers have been well prepared on the surface of SEBS; the micro/nanofibers provide a sensitive response to excess K+ and trigger the rapid release of AA-2G. AA-2G then acts as an antioxidant to reduce the excess ROS and maintain the Na/K-pump activity to mitigate cation leaks, resulting in the reduced hemolysis of the preserved erythrocytes. Our work thus provides a novel method for the development of plasticizer-free polymers for the storage of erythrocytes, and has the potential to be used to fabricate long-term anti-hemolytic biomaterials for in vivo use.
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Affiliation(s)
- Xingkun Luan
- Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization, Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong, Qindao University of Science and Technology Qingdao 266042 P. R. China
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Haozheng Wang
- Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization, Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong, Qindao University of Science and Technology Qingdao 266042 P. R. China
| | - Zehong Xiang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Jiruo Zhao
- Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization, Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong, Qindao University of Science and Technology Qingdao 266042 P. R. China
| | - Ying Feng
- Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization, Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong, Qindao University of Science and Technology Qingdao 266042 P. R. China
| | - Qiang Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Baijun Liu
- Alan G. MacDiarmid Institute, Jilin University Changchun 130026 China
| | - Yumei Gong
- School of Textile and Material Engineering, Dalian Polytechnic University Dalian 116034 P. R. China
| | - Shing-Chung Wong
- Department of Mechanical Engineering, University of Akron Akron Ohio 44325-3903 USA
| | - Jinghua Yin
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022 P. R. China
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Saleh MI, Panas ID, Frenzel F, Würth C, Rühle B, Slominskii YL, Demchenko A, Resch-Genger U. Sensitization of upconverting nanoparticles with a NIR-emissive cyanine dye using a micellar encapsulation approach. Methods Appl Fluoresc 2019; 7:014003. [DOI: 10.1088/2050-6120/aafe1f] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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25
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Rufaihah AJ, Cheyyatraivendran S, Mazlan MDM, Lim K, Chong MSK, Mattar CNZ, Chan JKY, Kofidis T, Seliktar D. The Effect of Scaffold Modulus on the Morphology and Remodeling of Fetal Mesenchymal Stem Cells. Front Physiol 2018; 9:1555. [PMID: 30622472 PMCID: PMC6308149 DOI: 10.3389/fphys.2018.01555] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 10/17/2018] [Indexed: 12/17/2022] Open
Abstract
Hydrogel materials have been successfully used as matrices to explore the role of biophysical and biochemical stimuli in directing stem cell behavior. Here, we present our findings on the role of modulus in guiding bone marrow fetal mesenchymal stem cell (BMfMSC) fate determination using semi-synthetic hydrogels made from PEG-fibrinogen (PF). The BMfMSCs were cultivated in the PF for up to 2 weeks to study the influence of matrix modulus (i.e., cross-linking density of the PF) on BMfMSC survival, morphology and integrin expression. Both two-dimensional (2D) and three-dimensional (3D) culture conditions were employed to examine the BMfMSCs as single cells or as cell spheroids. The hydrogel modulus affected the rate of BMfMSC metabolic activity, the integrin expression levels and the cell morphology, both as single cells and as spheroids. The cell seeding density was also found to be an important parameter of the system in that high densities were favorable in facilitating more cell-to-cell contacts that favored higher metabolic activity. Our findings provide important insight about design of a hydrogel scaffold that can be used to optimize the biological response of BMfMSCs for various tissue engineering applications.
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Affiliation(s)
- Abdul Jalil Rufaihah
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Suganya Cheyyatraivendran
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Muhammad Danial Mohd Mazlan
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Kenrich Lim
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mark Seow Khoon Chong
- Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, Singapore
| | | | - Jerry Kok Yen Chan
- Department of Obstretics and Gynaecology, National University of Singapore, Singapore, Singapore
| | - Theodoros Kofidis
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Department of Cardiac, Thoracic and Vascular Surgery, National University Heart Centre Singapore, National University Health System, Singapore, Singapore
| | - Dror Seliktar
- Nanoscience and Nanotechnology Initiative, National University of Singapore, Singapore, Singapore.,Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, Israel
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26
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Wang H, Agarwal P, Liang Y, Xu J, Zhao G, Tkaczuk KHR, Lu X, He X. Enhanced cancer therapy with cold-controlled drug release and photothermal warming enabled by one nanoplatform. Biomaterials 2018; 180:265-278. [PMID: 30055400 DOI: 10.1016/j.biomaterials.2018.07.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/10/2018] [Accepted: 07/11/2018] [Indexed: 12/19/2022]
Abstract
Stimuli-responsive nanoparticles hold great promise for drug delivery to improve the safety and efficacy of cancer therapy. One of the most investigated stimuli-responsive strategies is to induce drug release by heating with laser, ultrasound, or electromagnetic field. More recently, cryosurgery (also called cryotherapy and cryoablation), destruction of diseased tissues by first cooling/freezing and then warming back, has been used to treat various diseases including cancer in the clinic. Here we developed a cold-responsive nanoparticle for controlled drug release as a result of the irreversible disassembly of the nanoparticle when cooled to below ∼10 °C. Furthermore, this nanoparticle can be used to generate localized heating under near infrared (NIR) laser irradiation, which can facilitate the warming process after cooling/freezing during cryosurgery. Indeed, the combination of this cold-responsive nanoparticle with ice cooling and NIR laser irradiation can greatly augment cancer destruction both in vitro and in vivo with no evident systemic toxicity.
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Affiliation(s)
- Hai Wang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Pranay Agarwal
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Yutong Liang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Jiangsheng Xu
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Gang Zhao
- Center for Biomedical Engineering, Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China
| | - Katherine H R Tkaczuk
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, MD 21201, USA
| | - Xiongbin Lu
- Department of Medical and Molecular Genetics and Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Xiaoming He
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA; Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA; Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, MD 21201, USA; Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, MD, 20742, USA.
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27
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Dong L, Cornaglia M, Krishnamani G, Zhang J, Mouchiroud L, Lehnert T, Auwerx J, Gijs MAM. Reversible and long-term immobilization in a hydrogel-microbead matrix for high-resolution imaging of Caenorhabditis elegans and other small organisms. PLoS One 2018; 13:e0193989. [PMID: 29509812 PMCID: PMC5839568 DOI: 10.1371/journal.pone.0193989] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 02/22/2018] [Indexed: 11/18/2022] Open
Abstract
The nematode Caenorhabditis elegans is an important model organism for biomedical research and genetic studies relevant to human biology and disease. Such studies are often based on high-resolution imaging of dynamic biological processes in the worm body tissues, requiring well-immobilized and physiologically active animals in order to avoid movement-related artifacts and to obtain meaningful biological information. However, existing immobilization methods employ the application of either anesthetics or servere physical constraints, by using glue or specific microfluidic on-chip mechanical structures, which in some cases may strongly affect physiological processes of the animals. Here, we immobilize C. elegans nematodes by taking advantage of a biocompatible and temperature-responsive hydrogel-microbead matrix. Our gel-based immobilization technique does not require a specific chip design and enables fast and reversible immobilization, thereby allowing successive imaging of the same single worm or of small worm populations at all development stages for several days. We successfully demonstrated the applicability of this method in challenging worm imaging contexts, in particular by applying it for high-resolution confocal imaging of the mitochondrial morphology in worm body wall muscle cells and for the long-term quantification of number and size of specific protein aggregates in different C. elegans neurodegenerative disease models. Our approach was also suitable for immobilizing other small organisms, such as the larvae of the fruit fly Drosophila melanogaster and the unicellular parasite Trypanosoma brucei. We anticipate that this versatile technique will significantly simplify biological assay-based longitudinal studies and long-term observation of small model organisms.
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Affiliation(s)
- Li Dong
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Matteo Cornaglia
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Gopalan Krishnamani
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Laboratory of Integrative Systems Physiology, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Jingwei Zhang
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Laurent Mouchiroud
- Laboratory of Integrative Systems Physiology, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Thomas Lehnert
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Johan Auwerx
- Laboratory of Integrative Systems Physiology, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Martin A. M. Gijs
- Laboratory of Microsystems, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
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28
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Wang H, Xu X, Chen R, Zhao J, Cui L, Sheng G, Shi Q, Wong SC, Yin J. Bioinspired Antioxidant Defense System Constructed by Antioxidants-Eluting Electrospun F127-Based Fibers. ACS APPLIED MATERIALS & INTERFACES 2017; 9:38313-38322. [PMID: 29039918 DOI: 10.1021/acsami.7b12395] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Cells were continuously exposed to oxidative damage by overproduction of reactive oxygen species (ROS) when they contacted implanted biomaterials. The strategy to prevent cells from oxidative injures remains a challenge. Inspired by the antioxidant defense system of cells, we constructed a biocompatible and ROS-responsive architecture on the substrate of styrene-b-(ethylene-co-butylene)-b-styrene elastomer (SEBS). The strategy was based on fabrication of architectures through reactive electrospinning of mixture including SEBS, acylated Pluronic F127, copolymer of poly(ethylene glycol) diacrylate and 1,2-ethanedithiol (PEGDA-EDT), and antioxidants (AA-2G) and ROS-triggered release of AA-2G from microfibers to detoxify the excess ROS. We demonstrated that the stable and hydrophilic architecture was constructed by phase separation of SEBS/F127 components and cross-linking between polymer chains during electrospinning; the ROS-responsive fibers controlled the release of AA-2G and the interaction of AA-2G with ROS reduced the oxidative damage to cells. The bioinspired architecture not only reduced mechanical and oxidative damage to cells but also maintained normal ROS level for physiological hemostasis. This work provides basic principles to design and develop antioxidative biomaterials for implantation in vivo.
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Affiliation(s)
- Haozheng Wang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, P. R. China
- Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization/Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong , Qingdao 266042, P. R. China
| | - Xiaodong Xu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University , Harbin 150001, China
| | - Runhai Chen
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, P. R. China
| | - Jiruo Zhao
- Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization/Key Laboratory of Rubber-Plastics (QUST), Ministry of Education/Shandong , Qingdao 266042, P. R. China
| | - Lele Cui
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University , Harbin 150001, China
| | - Guangkuo Sheng
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University , Harbin 150001, China
| | - Qiang Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, P. R. China
| | - Shing-Chung Wong
- Department of Mechanical Engineering, University of Akron , Akron, Ohio 44325-3903, United States
| | - Jinghua Yin
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, P. R. China
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Antonisamy JD, Swain J, Dash S. Study on binding and fluorescence energy transfer efficiency of Rhodamine B with Pluronic F127-gold nanohybrid using optical spectroscopy methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 173:139-143. [PMID: 27623351 DOI: 10.1016/j.saa.2016.09.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 09/01/2016] [Accepted: 09/01/2016] [Indexed: 06/06/2023]
Abstract
This work focuses on the binding efficiency and fluorescence resonance energy transfer (FRET) of fluorescent dye Rhodamine B (Rh B) to Pluronic F127-gold nanohybrid. The formation of gold nanoparticles inside Rh B doped Pluronic F127 copolymer have been characterized using dynamic light scattering study, HR-TEM images, UV-visible spectra and fluorescence studies. Fluorescence quenching and the constant fluorescence lifetime of the Rhodamine B present in the cavity of Pluronic F127-gold nanohybrid suggested a strong binding ability (3.5×103Lmol-1), static nature of quenching and better energy transfer efficiency of fluorescent dye towards Pluronic F127-gold (Au) nanohybrids.
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Affiliation(s)
| | - Jitendriya Swain
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
| | - Sasmita Dash
- Department of Chemistry, Annamalai University, Chidambaram 608002, India.
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30
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Self-hardening and thermoresponsive alpha tricalcium phosphate/pluronic pastes. Acta Biomater 2017; 49:563-574. [PMID: 27872015 DOI: 10.1016/j.actbio.2016.11.043] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 11/14/2016] [Accepted: 11/17/2016] [Indexed: 11/21/2022]
Abstract
Although calcium phosphate cements (CPCs) are used for bone regeneration in a wide range of clinical applications, various physicochemical phenomena are known to hinder their potential use in minimally invasive surgery or in highly vascularized surgical sites, mainly because of their lack of injectability or their low washout resistance. The present work shows that the combination of CPCs with an inverse-thermoresponsive hydrogel is a good strategy for finely tuning the cohesive and rheological properties of CPCs to achieve clinical acceptable injectability to prevent phase separation during implantation and cohesion to avoid washout of the paste. The thermoresponsive CPC developed combines alpha-tricalcium phosphate with an aqueous solution of pluronic F127, which exhibits an inverse thermoresponsive behaviour, with a gelling transformation at around body temperature. These novel CPCs exhibited temperature-dependent properties. Addition of the polymer enhanced the injectability of the paste, even at a low liquid-to-powder ratio, and allowed the rheological properties of the cement to be tuned, with the injection force decreasing with the temperature of the paste. Moreover, the cohesion of the paste was also temperature-dependent and increased as the temperature of the host medium increased due to gelling induced in the paste. The thermoresponsive cement exhibited excellent cohesion and clinically acceptable setting times at 37°C, irrespective of the initial temperature of the paste. The addition of pluronic F127 slightly delayed the setting reaction in the early stages but did not hinder the full transformation to calcium-deficient hydroxyapatite. Moreover, the frozen storage of premixed thermoresponsive cement pastes was explored, the main physicochemical properties of the cements being maintained upon thawing, even after 18months of frozen storage. This avoids the need to mix the cement in the operating theatre and allows its use off-the-shelf. The reverse thermoresponsive cements studied herein open up new perspectives in the surgical field, where the sequential gelling/hardening of these novel cements could allow for a better and safer clinical application. STATEMENT OF SIGNIFICANCE Calcium phosphate cements are attractive bone substitutes due to their similarity to the bone mineral phase. Although they can be injectable, cohesion and stability of the paste are crucial in terms of performance and safety. A common strategy is the combination with hydrogels. However, this often results in a decrease of viscosity with increasing temperature, which can lead to extravasation and particle leakage from the bone defect. The preferred evolution would be the opposite: a low viscosity would enhance mixing and injection, and an instantaneous increase of viscosity after injection would ensure washout resistance to the blood flow. Here we develop for the first time a calcium phosphate cement exhibiting reverse thermoresponsive properties using a poloxamer featuring inverse thermal gelling.
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31
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Yu H, Wang Y, Yang H, Peng K, Zhang X. Injectable self-healing hydrogels formed via thiol/disulfide exchange of thiol functionalized F127 and dithiolane modified PEG. J Mater Chem B 2017; 5:4121-4127. [DOI: 10.1039/c7tb00746a] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An injectable thermo-responsive hydrogel with excellent mechanical properties which can self-heal under mildly acidic to basic conditions was prepared.
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Affiliation(s)
- Hansen Yu
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Yanan Wang
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Haiyang Yang
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Kang Peng
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Xingyuan Zhang
- CAS Key Laboratory of Soft Matter Chemistry
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- P. R. China
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32
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Eslahi N, Abdorahim M, Simchi A. Smart Polymeric Hydrogels for Cartilage Tissue Engineering: A Review on the Chemistry and Biological Functions. Biomacromolecules 2016; 17:3441-3463. [PMID: 27775329 DOI: 10.1021/acs.biomac.6b01235] [Citation(s) in RCA: 143] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Stimuli responsive hydrogels (SRHs) are attractive bioscaffolds for tissue engineering. The structural similarity of SRHs to the extracellular matrix (ECM) of many tissues offers great advantages for a minimally invasive tissue repair. Among various potential applications of SRHs, cartilage regeneration has attracted significant attention. The repair of cartilage damage is challenging in orthopedics owing to its low repair capacity. Recent advances include development of injectable hydrogels to minimize invasive surgery with nanostructured features and rapid stimuli-responsive characteristics. Nanostructured SRHs with more structural similarity to natural ECM up-regulate cell-material interactions for faster tissue repair and more controlled stimuli-response to environmental changes. This review highlights most recent advances in the development of nanostructured or smart hydrogels for cartilage tissue engineering. Different types of stimuli-responsive hydrogels are introduced and their fabrication processes through physicochemical procedures are reported. The applications and characteristics of natural and synthetic polymers used in SRHs are also reviewed with an outline on clinical considerations and challenges.
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Affiliation(s)
- Niloofar Eslahi
- Department of Textile Engineering, Science and Research Branch, Islamic Azad University , P.O. Box 14515/775, Tehran, Iran
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33
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Meißig;ler M, Wieczorek S, ten Brummelhuis N, Börner HG. Synthetic Aspects of Peptide– and Protein–Polymer Conjugates in the Post-click Era. BIO-INSPIRED POLYMERS 2016. [DOI: 10.1039/9781782626664-00001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Biomacromolecules offer complex and precise functions embedded in their monomer sequence such as enzymatic activity or specific interactions towards other molecules. Their informational content and capability to organize in higher ordered structures is superior to those of synthetic molecules. In comparison, synthetic polymers are easy to access even at large production scales and they are chemically more diverse. Solubilization, shielding against enzymatic degradation to more advanced functions like switchability or protein mimicry, etc., are accessible through the world of polymer chemistry. Bio-inspired hybrid materials consisting of peptides or proteins and synthetic polymers thereby combine the properties of both molecules to give rise to a new class of materials with unique characteristics and performance. To obtain well-defined bioconjugate materials, high yielding and site-specific as well as biorthogonal ligation techniques are mandatory. Since the first attempts of protein PEGylation in the 1970s and the concept of “click” chemistry arising in 2001, continuous progress in the field of peptide– and protein–polymer conjugate preparation has been gained. Herein, we provide an overview on ligation techniques to prepare functional bioconjugates published in the last decade, also referred to as “post-click” methods. Furthermore, chemoenzymatic approaches and biotransformation reactions used in peptide or protein modification, as well as highly site-specific and efficient reactions originated in synthetic macromolecular chemistry, which could potentially be adapted for bioconjugation, are presented. Finally, future perspectives for the preparation and application of bioconjugates at the interface between biology and synthetic materials are given.
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Affiliation(s)
- Maria Meißig;ler
- Laboratory for Organic Synthesis of Functional Systems, Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 D-12489 Berlin Germany
| | - Sebastian Wieczorek
- Laboratory for Organic Synthesis of Functional Systems, Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 D-12489 Berlin Germany
| | - Niels ten Brummelhuis
- Laboratory for Organic Synthesis of Functional Systems, Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 D-12489 Berlin Germany
| | - Hans G. Börner
- Laboratory for Organic Synthesis of Functional Systems, Department of Chemistry, Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 D-12489 Berlin Germany
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34
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Wang Z, Li Y, Huang Y, Thompson MP, LeGuyader CLM, Sahu S, Gianneschi NC. Enzyme-regulated topology of a cyclic peptide brush polymer for tuning assembly. Chem Commun (Camb) 2016; 51:17108-11. [PMID: 26452255 DOI: 10.1039/c5cc05653e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Norbornenyl cyclic elastin-like peptides were polymerized via ring opening metathesis polymerization (ROMP) to generate thermally responsive brush polymers. The thermally-responsive nature of the materials could be attenuated by the addition of a proteolytic enzyme that causes the cyclic peptide side chains to be linearized.
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Affiliation(s)
- Zhao Wang
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
| | - Yiwen Li
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
| | - Yuran Huang
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA. and Materials Science and Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Matthew P Thompson
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
| | - Clare L M LeGuyader
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
| | - Swagat Sahu
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
| | - Nathan C Gianneschi
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA. and Materials Science and Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
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35
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Jose RR, Rodriguez MJ, Dixon TA, Omenetto F, Kaplan DL. Evolution of Bioinks and Additive Manufacturing Technologies for 3D Bioprinting. ACS Biomater Sci Eng 2016; 2:1662-1678. [DOI: 10.1021/acsbiomaterials.6b00088] [Citation(s) in RCA: 196] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Rod R. Jose
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - Maria J. Rodriguez
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - Thomas A. Dixon
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - Fiorenzo Omenetto
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
| | - David L. Kaplan
- Department of Biomedical
Engineering, 4 Colby Street, Tufts University, Medford, Massachusetts 02155, United States
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36
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Liow SS, Dou Q, Kai D, Karim AA, Zhang K, Xu F, Loh XJ. Thermogels: In Situ Gelling Biomaterial. ACS Biomater Sci Eng 2016; 2:295-316. [DOI: 10.1021/acsbiomaterials.5b00515] [Citation(s) in RCA: 144] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sing Shy Liow
- Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634
| | - Qingqing Dou
- Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634
| | - Dan Kai
- Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634
| | - Anis Abdul Karim
- Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634
| | - Kangyi Zhang
- Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634
| | | | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634
- Department
of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
- Singapore Eye Research Institute, 11 Third Hospital Avenue, Singapore 168751, Singapore
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37
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Schneider-Barthold C, Baganz S, Wilhelmi M, Scheper T, Pepelanova I. Hydrogels based on collagen and fibrin – frontiers and applications. ACTA ACUST UNITED AC 2016. [DOI: 10.1515/bnm-2015-0025] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
AbstractHydrogels are a versatile tool for a multitude of applications in biomedical research and clinical practice. Especially collagen and fibrin hydrogels are distinguished by their excellent biocompatibility, natural capacity for cell adhesion and low immunogenicity. In many ways, collagen and fibrin represent an ideal biomaterial, as they can serve as a scaffold for tissue regeneration and promote the migration of cells, as well as the ingrowth of tissues. On the other hand, pure collagen and fibrin materials are marked by poor mechanical properties and rapid degradation, which limits their use in practice. This paper will review methods of modification of natural collagen and fibrin materials to next-generation materials with enhanced stability. A special focus is placed on biomedical products from fibrin and collagen already on the market. In addition, recent research on the in vivo applications of collagen and fibrin-based materials will be showcased.
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Thermoresponsive hydrogels in biomedical applications. Eur J Pharm Biopharm 2015; 97:338-49. [DOI: 10.1016/j.ejpb.2015.05.017] [Citation(s) in RCA: 321] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 05/07/2015] [Accepted: 05/21/2015] [Indexed: 11/21/2022]
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Kim DY, Kwon DY, Kwon JS, Kim JH, Min BH, Kim MS. Stimuli-Responsive InjectableIn situ-Forming Hydrogels for Regenerative Medicines. POLYM REV 2015. [DOI: 10.1080/15583724.2014.983244] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Välimäki S, Mikkilä J, Liljeström V, Rosilo H, Ora A, Kostiainen MA. Hierarchically ordered supramolecular protein-polymer composites with thermoresponsive properties. Int J Mol Sci 2015; 16:10201-13. [PMID: 25950765 PMCID: PMC4463641 DOI: 10.3390/ijms160510201] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 04/23/2015] [Accepted: 04/24/2015] [Indexed: 01/01/2023] Open
Abstract
Synthetic macromolecules that can bind and co-assemble with proteins are important for the future development of biohybrid materials. Active systems are further required to create materials that can respond and change their behavior in response to external stimuli. Here we report that stimuli-responsive linear-branched diblock copolymers consisting of a cationic multivalent dendron with a linear thermoresponsive polymer tail at the focal point, can bind and complex Pyrococcus furiosus ferritin protein cages into crystalline arrays. The multivalent dendron structure utilizes cationic spermine units to bind electrostatically on the surface of the negatively charged ferritin cage and the in situ polymerized poly(di(ethylene glycol) methyl ether methacrylate) linear block enables control with temperature. Cloud point of the final product was determined with dynamic light scattering (DLS), and it was shown to be approximately 31 °C at a concentration of 150 mg/L. Complexation of the polymer binder and apoferritin was studied with DLS, small-angle X-ray scattering, and transmission electron microscopy, which showed the presence of crystalline arrays of ferritin cages with a face-centered cubic (fcc, Fm3m)) Bravais lattice where lattice parameter a=18.6 nm. The complexation process was not temperature dependent but the final complexes had thermoresponsive characteristics with negative thermal expansion.
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Affiliation(s)
- Salla Välimäki
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, School of Chemical Technology, Aalto University, 00076 Aalto, Finland.
| | - Joona Mikkilä
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, School of Chemical Technology, Aalto University, 00076 Aalto, Finland.
| | - Ville Liljeström
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, School of Chemical Technology, Aalto University, 00076 Aalto, Finland.
- Molecular Materials Group, Department of Applied Physics, School of Science, Aalto University, 00076 Aalto, Finland.
| | - Henna Rosilo
- Molecular Materials Group, Department of Applied Physics, School of Science, Aalto University, 00076 Aalto, Finland.
| | - Ari Ora
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, School of Chemical Technology, Aalto University, 00076 Aalto, Finland.
- Molecular Materials Group, Department of Applied Physics, School of Science, Aalto University, 00076 Aalto, Finland.
| | - Mauri A Kostiainen
- Biohybrid Materials Group, Department of Biotechnology and Chemical Technology, School of Chemical Technology, Aalto University, 00076 Aalto, Finland.
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Goldshmid R, Mironi-Harpaz I, Shachaf Y, Seliktar D. A method for preparation of hydrogel microcapsules for stem cell bioprocessing and stem cell therapy. Methods 2015; 84:35-43. [PMID: 25931428 DOI: 10.1016/j.ymeth.2015.04.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 04/20/2015] [Accepted: 04/21/2015] [Indexed: 11/16/2022] Open
Abstract
A method for the preparation of suspension culture microcapsules used in the bioprocessing of human mesenchymal stem cells (hMSCs) is reported. The microcapsules are prepared from a semi-synthetic hydrogel comprising Pluronic®F127 conjugated to denatured fibrinogen. The Pluronic-fibrinogen adducts display a lower critical solubility temperature (LCST) at ∼30 °C, thus enabling mild, cell-compatible physical crosslinking of the microcapsules in a warm gelation bath. Cell-laden microgels were prepared from a solution of Pluronic-fibrinogen hydrogel precursor and hMSCs; these were cultivated for up to 15 days in laboratory-scale suspension bioreactors and harvested by reducing the temperature of the microcapsules to disassemble the physical polymer network. The viability, proliferation and cell recovery yields of the hMSCs were shown to be better than photo-chemically crosslinked microcapsules made from a similar material. The cell culture yields, which exceeded 300% after 15 days in suspension culture, were comparable to other microcarrier systems used for the mass production of hMSCs. The simplicity of this methodology, both in terms of the cell inoculation and mild recovery conditions, represent distinct advantages for stem cell bioprocessing with suspension culture bioreactors.
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Affiliation(s)
- Revital Goldshmid
- The Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel; The Interdisciplinary Program for Biotechnology, Technion - Israel Institute of Technology, Haifa 32000, Israel
| | - Iris Mironi-Harpaz
- The Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel
| | - Yonatan Shachaf
- The Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel
| | - Dror Seliktar
- The Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel.
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Mironi-Harpaz I, Hazanov L, Engel G, Yelin D, Seliktar D. In-situ architectures designed in 3D cell-laden hydrogels using microscopic laser photolithography. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:1933-1938. [PMID: 25655567 DOI: 10.1002/adma.201404185] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 01/08/2015] [Indexed: 06/04/2023]
Affiliation(s)
- Iris Mironi-Harpaz
- Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, 32000, Israel
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Tercjak A, Gutierrez J, Barud HS, Domeneguetti RR, Ribeiro SJL. Nano- and macroscale structural and mechanical properties of in situ synthesized bacterial cellulose/PEO-b-PPO-b-PEO biocomposites. ACS APPLIED MATERIALS & INTERFACES 2015; 7:4142-4150. [PMID: 25633223 DOI: 10.1021/am508273x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Highly transparent biocomposite based on bacterial cellulose (BC) mat modified with poly(ethylene oxide-b-propylene oxide-b-ethylene oxide) block copolymer (EPE) were fabricated in situ during biosynthesis of bacterial cellulose in a static culture from Gluconacetobacter xylinum. The effect of the addition to the culture medium of water-soluble EPE block copolymer on structure, morphology, crystallinity, and final properties of the novel biocomposites was investigated at nano- and macroscale. High compatibility between components was confirmed by ATR-FTIR indicating hydrogen bond formation between the OH group of BC and the PEO block of EPE block copolymer. Structural properties of EPE/BC biocomposites showed a strong effect of EPE block copolymer on the morphology of the BC mats. Thus, the increase of the EPE block copolymer content lead to the generation of spherulites of PEO block, clearly visualized using AFM and MO technique, changing crystallinity of the final EPE/BC biocomposites investigated by XRD. Generally, EPE/BC biocomposites maintain thermal stability and mechanical properties of the BC mat being 1 wt % EPE/BC biocomposite material with the best properties. Biosynthesis of EPE/BC composites open new strategy to the utilization of water-soluble block copolymers in the preparation of BC mat based biocomposites with tunable properties.
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Affiliation(s)
- Agnieszka Tercjak
- Group 'Materials + Technologies' (GMT), Department of Chemical and Environmental Engineering, Polytechnic School, University of the Basque Country (UPV/EHU) , Plaza Europa 1, 20018 Donostia-SanSebastián, Spain
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Navaro Y, Bleich-Kimelman N, Hazanov L, Mironi-Harpaz I, Shachaf Y, Garty S, Smith Y, Pelled G, Gazit D, Seliktar D, Gazit Z. Matrix stiffness determines the fate of nucleus pulposus-derived stem cells. Biomaterials 2015; 49:68-76. [PMID: 25725556 DOI: 10.1016/j.biomaterials.2015.01.021] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 01/01/2015] [Accepted: 01/20/2015] [Indexed: 12/23/2022]
Abstract
Intervertebral disc (IVD) degeneration and consequent low-back pain present a major medical challenge. Nucleus pulposus-derived stem cells (NP-SCs) may lead to a novel therapy for this severe disease. It was recently shown that survival and function of mature NP cells are regulated in part by tissue stiffness. We hypothesized that modification of matrix stiffness will influence the ability of cultured NP-SCs to proliferate, survive, and differentiate into mature NP cells. NP-SCs were subcultured in three-dimensional matrices of varying degrees of stiffness as measured by the material's shear storage modulus. Cell survival, activity, and rate of differentiation toward the chondrogenic or osteogenic lineage were analyzed. NP-SCs were found to proliferate and differentiate in all matrices, irrespective of matrix stiffness. However, matrices with a low shear storage modulus (G' = 1 kPa) promoted significantly more proliferation and chondrogenic differentiation, whereas matrices with a high modulus (G' = 2 kPa) promoted osteogenic differentiation. Imaging performed via confocal and scanning electron microscopes validated cell survival and highlighted stiffness-dependent cell-matrix interactions. These results underscore the effect of the matrix modulus on the fate of NP-SCs. This research may facilitate elucidation of the complex cross-talk between NP-SCs and their surrounding matrix in healthy as well as pathological conditions.
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Affiliation(s)
- Yosi Navaro
- Skeletal Biotech Laboratory, The Hebrew University-Hadassah Faculty of Dental Medicine, Ein Kerem, Jerusalem 91120, Israel
| | - Nadav Bleich-Kimelman
- Skeletal Biotech Laboratory, The Hebrew University-Hadassah Faculty of Dental Medicine, Ein Kerem, Jerusalem 91120, Israel
| | - Lena Hazanov
- Department of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Iris Mironi-Harpaz
- Department of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Yonatan Shachaf
- Department of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Shai Garty
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 76100, Israel; Max Planck Institute for Intelligent Systems, Stuttgart, Germany
| | - Yoav Smith
- Genomic Data Analysis Unit, The Hebrew University-Hadassah Medical School, The Hebrew University of Jerusalem, Jerusalem 91120, Israel
| | - Gadi Pelled
- Skeletal Biotech Laboratory, The Hebrew University-Hadassah Faculty of Dental Medicine, Ein Kerem, Jerusalem 91120, Israel; Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Dan Gazit
- Skeletal Biotech Laboratory, The Hebrew University-Hadassah Faculty of Dental Medicine, Ein Kerem, Jerusalem 91120, Israel; Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Dror Seliktar
- Department of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Zulma Gazit
- Skeletal Biotech Laboratory, The Hebrew University-Hadassah Faculty of Dental Medicine, Ein Kerem, Jerusalem 91120, Israel; Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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Cobo I, Li M, Sumerlin BS, Perrier S. Smart hybrid materials by conjugation of responsive polymers to biomacromolecules. NATURE MATERIALS 2015; 14:143-59. [PMID: 25401924 DOI: 10.1038/nmat4106] [Citation(s) in RCA: 428] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2013] [Accepted: 09/04/2014] [Indexed: 05/18/2023]
Abstract
The chemical structure and function of biomacromolecules has evolved to fill many essential roles in biological systems. More specifically, proteins, peptides, nucleic acids and polysaccharides serve as vital structural components, and mediate chemical transformations and energy/information storage processes required to sustain life. In many cases, the properties and applications of biological macromolecules can be further expanded by attaching synthetic macromolecules. The modification of biomacromolecules by attaching a polymer that changes its properties in response to environmental variations, thus affecting the properties of the biomacromolecule, has led to the emergence of a new family of polymeric biomaterials. Here, we summarize techniques for conjugating responsive polymers to biomacromolecules and highlight applications of these bioconjugates reported so far. In doing so, we aim to show how advances in synthetic tools could lead to rapid expansion in the variety and uses of responsive bioconjugates.
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Affiliation(s)
- Isidro Cobo
- Key Centre for Polymers &Colloids, School of Chemistry, The University of Sydney, New South Wales 2006, Australia
| | - Ming Li
- Tyco Fire Protection Products, Mansfield, Texas 76063, USA
| | - Brent S Sumerlin
- George &Josephine Butler Polymer Research Laboratory, Center for Macromolecular Science &Engineering, Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, USA
| | - Sébastien Perrier
- 1] Department of Chemistry, The University of Warwick, Coventry CV4 7AL, UK [2] Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
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Khan AA, Fullerton-Shirey SK, Howard SS. Easily prepared ruthenium-complex nanomicelle probes for two-photon quantitative imaging of oxygen in aqueous media. RSC Adv 2015. [DOI: 10.1039/c4ra11229f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Easily prepared, biocompatible, and oxygen-sensitive optical probes with a large two-photon cross-section: towards inexpensive quantitative oxygen imaging in vivo.
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Affiliation(s)
- Aamir A. Khan
- Department of Electrical Engineering
- University of Notre Dame
- Notre Dame
- USA
| | | | - Scott S. Howard
- Department of Electrical Engineering
- University of Notre Dame
- Notre Dame
- USA
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Ruedinger F, Lavrentieva A, Blume C, Pepelanova I, Scheper T. Hydrogels for 3D mammalian cell culture: a starting guide for laboratory practice. Appl Microbiol Biotechnol 2014; 99:623-36. [DOI: 10.1007/s00253-014-6253-y] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 11/17/2014] [Accepted: 11/18/2014] [Indexed: 12/21/2022]
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Oshiro A, da Silva DC, de Mello JC, de Moraes VWR, Cavalcanti LP, Franco MKKD, Alkschbirs MI, Fraceto LF, Yokaichiya F, Rodrigues T, de Araujo DR. Pluronics f-127/l-81 binary hydrogels as drug-delivery systems: influence of physicochemical aspects on release kinetics and cytotoxicity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:13689-13698. [PMID: 25343461 DOI: 10.1021/la503021c] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We investigated the structure of the binary mixture of Pluronic F-127 (PL F-127) and Pluronic L-81 (PL L-81), as hydrogels for sumatriptan delivery and investigated the mixture possible use via subcutaneous route for future applications as a long-acting antimigraine formulation. We studied the drug-micelle interaction by dynamic light scattering and differential scanning calorimetry, sol-gel process by rheology, and small-angle X-ray scattering (SAXS). We also employed pharmaceutical formulation aspects by dissolution rate, release profile, and cytotoxicity studies for apoptosis and/or necrosis in fibroblasts (3T3) and neural cells (Neuro 2a). Micellar hydrodynamic diameter studies revealed the formation of binary PL-micelles by association of PL F-127/PL L-81. The mixed micelle and binary hydrogels formation was also verified by only one phase transition temperature for all formulations, even in the presence of sumatriptan. The characterization of the hydrogel supramolecular organization by SAXS, rheology studies, and in vitro dissolution/release results showed a probable relationship between the transition of the lamellar to the hexagonal phase and the lower release constant values observed, indicating that PL L-81 participates in micelle-hydrogel formation and aggregation processes. Furthermore, the reduced cytotoxicity (annexin V-fluorescein isothiocyanate positive staining), with minor PL L-81 concentration, points to its potential use for the development of binary PL-systems containing sumatriptan capable of modulating the gelation process. This use may employ the minimum PL concentration and be interesting for pharmaceutical applications, particularly for migraine treatment.
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Affiliation(s)
- Alisson Oshiro
- Human and Natural Sciences Center, ABC Federal University , Santo André, SP 09210-580, Brazil
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Akash MSH, Rehman K, Chen S. Pluronic F127-Based Thermosensitive Gels for Delivery of Therapeutic Proteins and Peptides. POLYM REV 2014. [DOI: 10.1080/15583724.2014.927885] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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