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Zang C, Tian Y, Tang Y, Tang M, Yang D, Chen F, Ghaffarlou M, Tu Y, Ashrafizadeh M, Li Y. Hydrogel-based platforms for site-specific doxorubicin release in cancer therapy. J Transl Med 2024; 22:879. [PMID: 39350207 PMCID: PMC11440768 DOI: 10.1186/s12967-024-05490-3] [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: 06/02/2024] [Accepted: 07/05/2024] [Indexed: 10/04/2024] Open
Abstract
Hydrogels are promising candidates for the delivery of therapeutics in the treatment of human cancers. Regarding to the biocomaptiiblity, high drug and encapsulation efficacy and adjustable physico-chemical features, the hydrogels have been widely utilized for the delivery of chemotherapy drugs. Doxorubicin (DOX) is one of the most common chemotherapy drugs used in cancer therapy through impairing topoisomerase II function and increasing oxidative damage. However, the tumor cells have developed resistance into DOX-mediated cytotoxic impacts, requiring the delivery systems to increase internalization and anti-cancer activity of this drug. The hydrogels can deliver DOX in a sustained manner to maximize its anti-cancer activity, improving cancer elimination and reduction in side effects and drug resistance. The natural-based hydrogels such as chitosan, alginate and gelatin hydrogels have shown favourable biocompatibility and degradability in DOX delivery for tumor suppression. The hydrogels are able to co-deliver DOX with other drugs or genes to enhance drug sensitivity and mediate polychemotherapy, synergistically suppressing cancer progression. The incorporation of nanoparticles in the structure of hydrogels can improve the sustained release of DOX and enhancing intracellular internalization, accelerating DOX's cytotoxicity. Furthermore, the stimuli-responsive hydrogels including pH-, redox- and thermo-sensitive platforms are able to improve the specific release of DOX at the tumor site. The DOX-loaded hydrogels can be further employed in the clinic for the treatment of cancer patients and improving efficacy of chemotherapy.
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Affiliation(s)
- Chunbao Zang
- Department of Radiation Oncology, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, 230031, China
| | - Yu Tian
- Research Center, The Huizhou Central People's Hospital, Guangdong Medical University, No. 41 Eling North Road, Huizhou, Guangdong, China
- School of Public Health, Benedictine University, Lisle, USA
| | - Yujing Tang
- Department of General Surgery, Southwest Jiaotong University Affiliated Chengdu Third People's Hospital, Chengdu, China
| | - Min Tang
- Department of Oncology, Chongqing General Hospital, Chongqing University, Chongqing, 401120, China
| | - Dingyi Yang
- Department of Radiation Oncology, Chonging University Cancer Hospital; Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, 400030, China
| | - Fangfang Chen
- Department of Oncology, Chongqing General Hospital, Chongqing University, Chongqing, 401120, China
| | - Mohammadreza Ghaffarlou
- Bioengineering Division, Institute of Science and Engineering, Hacettepe University, Ankara, 06800, Turkey
| | - Yanyang Tu
- Research Center, The Huizhou Central People's Hospital, Guangdong Medical University, No. 41 Eling North Road, Huizhou, Guangdong, China.
| | - Milad Ashrafizadeh
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, 200032, PR China.
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250000, China.
| | - Yan Li
- Department of Gastrointestinal Surgery, Changzhou Cancer Hospital, No.1 Huaide North Road, Changzhou, Chin, China.
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Garcia-Garcia A, Muñana-González S, Lanceros-Mendez S, Ruiz-Rubio L, Alvarez LP, Vilas-Vilela JL. Biodegradable Natural Hydrogels for Tissue Engineering, Controlled Release, and Soil Remediation. Polymers (Basel) 2024; 16:2599. [PMID: 39339063 PMCID: PMC11435712 DOI: 10.3390/polym16182599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 09/06/2024] [Accepted: 09/09/2024] [Indexed: 09/30/2024] Open
Abstract
This article provides insights into hydrogels of the most promising biodegradable natural polymers and their mechanisms of degradation, highlighting the different possibilities of controlling hydrogel degradation rates. Since biodegradable hydrogels can be designed as scaffolding materials to mimic the physical and biochemical properties of natural tissues, these hydrogels have found widespread application in the field of tissue engineering and controlled release. In the same manner, their potential as water reservoirs, macro- and microelement carriers, or matrixes for the selective adsorption of pollutants make them excellent candidates for sustainable soil amendment solutions. Accordingly, this article summarizes the recent advances in natural biodegradable hydrogels in the fields of tissue engineering, controlled release, and soil remediation, emphasizing the new opportunities that degradability and its tunability offer for the design and applicability of hydrogels.
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Affiliation(s)
- Ane Garcia-Garcia
- Macromolecular Chemistry Group (LABQUIMAC), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
| | - Sara Muñana-González
- Macromolecular Chemistry Group (LABQUIMAC), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
| | - Senentxu Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Leire Ruiz-Rubio
- Macromolecular Chemistry Group (LABQUIMAC), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
| | - Leyre Perez Alvarez
- Macromolecular Chemistry Group (LABQUIMAC), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
| | - José Luis Vilas-Vilela
- Macromolecular Chemistry Group (LABQUIMAC), Physical Chemistry Department, Faculty of Science and Technology, University of the Basque Country UPV/EHU, 48940 Leioa, Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
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3
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Vukajlovic D, Timmons R, Macesic S, Sanderson J, Xie F, Abdelghany TM, Smith E, Lau WM, Ng KW, Novakovic K. Mathematical modelling of genipin-bovine serum albumin interaction using fluorescence intensity measurements. Int J Biol Macromol 2024; 276:133850. [PMID: 39004259 DOI: 10.1016/j.ijbiomac.2024.133850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/16/2024]
Abstract
The interaction between genipin and a model protein bovine serum albumin (BSA), with and without the addition of acetic acid, has been studied experimentally and by modelling. The number of amino groups available to react was determined to be 5.6 % of the total number of amino acid building blocks on BSA. Fluorescence intensity was used to record the progress of the reaction over the 24 h, while the modelling study focused on capturing the kinetic profiles of the reaction. The experiments revealed a slow start to the BSA and genipin interaction, that subsequently accelerated in an S-shaped curve which the modelling study linked with the existence of the feedback cycle for both reactive amino groups and genipin. At BSA concentrations ≥30 mg/mL the reaction was accelerated in the presence of acid, while below 30 mg/mL the acidified conditions delayed the onset of the reaction. Contrary to the reaction mechanisms previously proposed, a degree of breakdown of the fluorescent links in the products formed was denoted both experimentally and in a modelling study. This indicated the reversibility of the processes forming fluorescent product/s and suggested feasibility of the successful release of the protein following prospective encapsulation within the genipin-crosslinked hydrogel structure.
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Affiliation(s)
- Djurdja Vukajlovic
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Rory Timmons
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Stevan Macesic
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, Belgrade, Serbia
| | - John Sanderson
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Fengwei Xie
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom; Department of Chemical Engineering, University of Bath, Bath BA2 7AY, United Kingdom
| | - Tarek M Abdelghany
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt; Institute of Education in Healthcare and Medical Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresthill, Aberdeen AB25 2ZD, United Kingdom; School of Biomedical, Nutritional and Sport Sciences, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Emma Smith
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Wing Man Lau
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Keng Wooi Ng
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Katarina Novakovic
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom.
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4
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Aye KC, Rojanarata T, Ngawhirunpat T, Opanasopit P, Pornpitchanarong C, Patrojanasophon P. Development and characterization of curcumin nanosuspension-embedded genipin-crosslinked chitosan/polyvinylpyrrolidone hydrogel patch for effective wound healing. Int J Biol Macromol 2024; 274:133519. [PMID: 38960235 DOI: 10.1016/j.ijbiomac.2024.133519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 06/10/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
This study investigated the development of a genipin-crosslinked chitosan (CS)-based polyvinylpyrrolidone (PVP) hydrogel containing curcumin nanosuspensions (Cur-NSs) to promote wound healing in an excisional wound model. Cur-NSs were prepared, and a simplex centroid mixture design was employed to optimize hydrogel properties for high water absorption, degree of crosslinking, and sufficient toughness. The in vivo wound healing effect was tested in Wistar rats. The optimized hydrogel consisted of a 70:30 ratio of CS:PVP, crosslinked with a 2 % w/w genipin solution. It exhibited high swelling capability (486 %) while maintaining solidity, robustness, and durability. Incorporating 5 % w/w Cur-NSs resulted in a more compact structure, although with a reduction in swelling properties. The release kinetics of Cur from the hydrogel followed the Korsmeyer-Peppas Fickian diffusion model. In vitro biocompatibility studies demonstrated that the hydrogel was non-toxic to skin fibroblast cells. The in vivo experiment revealed a desirable wound healing rate with over 80 % recovery by day 7. Cur-NSs likely aided wound healing by reducing the inflammatory response and stimulating fibroblast proliferation. Additionally, the CS-based hydrogel provided a moist wound environment with hydration and gas transfer, further accelerating wound closure. These findings suggest that the Cur-NS-embedded hydrogel shows promise as a wound dressing material.
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Affiliation(s)
- Khin Cho Aye
- Pharmaceutical Development of Green Innovations Group (PDGIG), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Theerasak Rojanarata
- Pharmaceutical Development of Green Innovations Group (PDGIG), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Tanasait Ngawhirunpat
- Pharmaceutical Development of Green Innovations Group (PDGIG), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Praneet Opanasopit
- Pharmaceutical Development of Green Innovations Group (PDGIG), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Chaiyakarn Pornpitchanarong
- Pharmaceutical Development of Green Innovations Group (PDGIG), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Prasopchai Patrojanasophon
- Pharmaceutical Development of Green Innovations Group (PDGIG), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand.
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5
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Santos MPF, Junior ECS, Bonomo RCF, Santos LS, Veloso CM. Hydrolysis of Casein by Pepsin Immobilized on Heterofunctional Supports to Produce Antioxidant Peptides. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04988-2. [PMID: 38888698 DOI: 10.1007/s12010-024-04988-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2024] [Indexed: 06/20/2024]
Abstract
A study was carried out on the immobilization of pepsin in activated carbon functionalized by different techniques (glutaraldehyde, genipin, and metallization) aiming at its application in obtaining bioactive peptides through casein hydrolysis. Studies of the immobilized derivatives were carried out in addition to the evaluation of the antioxidant potential of the peptides. Among the pH range studied, pH 3.0 was selected due to the higher activity of the derivatives at this pH. The support modification by metallization was the method with the best results, providing a 121% increase in enzymatic activity compared to other immobilization methods. In addition, this derivative provided activity closer to the soluble enzyme activity (3.30 U) and better storage stability, and allows reuse for more than 8 cycles. In turn, the peptides from casein hydrolysis showed potential as antioxidant agents, with a DPPH radical scavenging activity higher than 70%, maximum protection against β-carotene oxidation close to 70%, and a maximum reducing power of Fe(III) into Fe(II) of 400 uM by the FRAP assay. The results showed that the new techniques for modification of activated carbon can be a promising approach for pepsin immobilization.
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Affiliation(s)
- Mateus P F Santos
- Process Engineering Laboratory, State University of Southwest Bahia, BR 415, Km 04, S/N, Itapetinga, BA, 45700-000, Brazil
- Applied Microbiology Laboratory - Agroindustry, Santa Cruz State University, Rod. Jorge Amado, Km 16, S/N, Ilhéus, BA, 45662-900, Brazil
| | - Evaldo C S Junior
- Process Engineering Laboratory, State University of Southwest Bahia, BR 415, Km 04, S/N, Itapetinga, BA, 45700-000, Brazil
| | - Renata C F Bonomo
- Process Engineering Laboratory, State University of Southwest Bahia, BR 415, Km 04, S/N, Itapetinga, BA, 45700-000, Brazil
| | - Leandro Soares Santos
- Laboratory of Packaging and Agro-Industrial Projects, State University of Southwest Bahia, BR 415, Km 04, S/N, Itapetinga, BA, 45700-000, Brazil
| | - Cristiane M Veloso
- Process Engineering Laboratory, State University of Southwest Bahia, BR 415, Km 04, S/N, Itapetinga, BA, 45700-000, Brazil.
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6
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Croitoru AM, Ficai D, Ficai A. Novel Photothermal Graphene-Based Hydrogels in Biomedical Applications. Polymers (Basel) 2024; 16:1098. [PMID: 38675017 PMCID: PMC11053615 DOI: 10.3390/polym16081098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 03/27/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
In the last decade, photothermal therapy (PTT) has attracted tremendous attention because it is non-invasive, shows high efficiency and antibacterial activity, and minimizes drug side effects. Previous studies demonstrated that PTT can effectively inhibit the growth of bacteria and promotes cell proliferation, accelerating wound healing and tissue regeneration. Among different NIR-responsive biomaterials, graphene-based hydrogels with photothermal properties are considered as the best candidates for biomedical applications, due to their excellent properties. This review summarizes the current advances in the development of innovative graphene-based hydrogels for PTT-based biomedical applications. Also, the information about photothermal properties and the potential applications of graphene-based hydrogels in biomedical therapies are provided. These findings provide a great potential for supporting their applications in photothermal biomedicine.
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Affiliation(s)
- Alexa-Maria Croitoru
- Research Institute of the University of Bucharest (ICUB), University of Bucharest, Spl. Independentei 91-95, 0500957 Bucharest, Romania;
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University for Science and Technology Politehnica Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania;
- National Centre for Food Safety, National University for Science and Technology Politehnica Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | - Denisa Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University for Science and Technology Politehnica Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania;
- National Centre for Food Safety, National University for Science and Technology Politehnica Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University for Science and Technology Politehnica Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania;
- National Centre for Micro- and Nanomaterials, National University for Science and Technology Politehnica Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
- Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania
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7
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Bercea M, Plugariu IA, Dinu MV, Pelin IM, Lupu A, Bele A, Gradinaru VR. Poly(Vinyl Alcohol)/Bovine Serum Albumin Hybrid Hydrogels with Tunable Mechanical Properties. Polymers (Basel) 2023; 15:4611. [PMID: 38232047 PMCID: PMC10708397 DOI: 10.3390/polym15234611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/26/2023] [Accepted: 11/29/2023] [Indexed: 01/19/2024] Open
Abstract
In this study, a new strategy was adopted for obtaining polymer/protein hybrid hydrogels with shape stability and tunable mechanical or rheological characteristics by using non-toxic procedures. A chemical network was created using a poly(vinyl alcohol)(PVA)/bovine serum albumin (BSA) mixture in aqueous solution in the presence of genipin and reduced glutathione (GSH). Then, a second physical network was formed through PVA after applying freezing/thawing cycles. In addition, the protein macromolecules formed intermolecular disulfide bridges in the presence of GSH. In these conditions, multiple crosslinked networks were obtained, determining the strengthening and stiffening into relatively tough porous hydrogels with tunable viscoelasticity and a self-healing ability. A SEM analysis evidenced the formation of networks with interconnected pores of sizes between 20 μm and 50 μm. The mechanical or rheological investigations showed that the hydrogels' strength and response in different conditions of deformation were influenced by the composition and crosslinking procedure. Thus, the dynamics of the hybrid hydrogels can be adjusted to mimic the viscoelastic properties of the native tissues. The dynamic water vapor-sorption ability, swelling behavior in an aqueous environment, and bioadhesive properties were also investigated and are discussed in this paper. The hybrid hydrogels with tunable viscoelasticity can be designed on request, and they are promising candidates for tissue engineering, bioinks, and wound dressing applications.
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Affiliation(s)
- Maria Bercea
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (I.-A.P.); (M.V.D.); (I.M.P.); (A.L.); (A.B.)
| | - Ioana-Alexandra Plugariu
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (I.-A.P.); (M.V.D.); (I.M.P.); (A.L.); (A.B.)
| | - Maria Valentina Dinu
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (I.-A.P.); (M.V.D.); (I.M.P.); (A.L.); (A.B.)
| | - Irina Mihaela Pelin
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (I.-A.P.); (M.V.D.); (I.M.P.); (A.L.); (A.B.)
| | - Alexandra Lupu
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (I.-A.P.); (M.V.D.); (I.M.P.); (A.L.); (A.B.)
| | - Adrian Bele
- “Petru Poni” Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (I.-A.P.); (M.V.D.); (I.M.P.); (A.L.); (A.B.)
| | - Vasile Robert Gradinaru
- Faculty of Chemistry, Alexandru Ioan Cuza University of Iasi, 11 Carol I Bd., 700506 Iasi, Romania;
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Zagoskin YD, Sergeeva YE, Fomina YS, Sukhinov DV, Malakhov SN, Osidak EO, Khramtsova EA, Gotovtsev PM, Chvalun SN, Grigoriev TE. Porous Polylactide Microparticles as Effective Fillers for Hydrogels. Biomimetics (Basel) 2023; 8:565. [PMID: 38132504 PMCID: PMC10741550 DOI: 10.3390/biomimetics8080565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/25/2023] [Accepted: 11/17/2023] [Indexed: 12/23/2023] Open
Abstract
High-strength composite hydrogels based on collagen or chitosan-genipin were obtained via mixing using highly porous polylactide (PLA) microparticles with diameters of 50-75 µm and porosity values of over 98%. The elastic modulus of hydrogels depended on the filler concentration. The modulus increased from 80 kPa to 400-600 kPa at a concentration of porous particles of 12-15 wt.% and up to 1.8 MPa at a filling of 20-25 wt.% for collagen hydrogels. The elastic modulus of the chitosan-genipin hydrogel increases from 75 kPa to 900 kPa at a fraction of particles of 20 wt.%. These elastic modulus values cover a range of strength properties from connective tissue to cartilage tissue. It is important to note that the increase in strength in this case is accompanied by a decrease in the density of the material, that is, an increase in porosity. PLA particles were loaded with C-phycocyanin and showed an advanced release profile up to 48 h. Thus, composite hydrogels mimic the structure, biomechanics and release of biomolecules in the tissues of a living organism.
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Affiliation(s)
- Yuriy D. Zagoskin
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
| | - Yana E. Sergeeva
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
- Moscow Institute of Physics and Technology, National Research University, 141700 Dolgoprudny, Russia
| | - Yuliya S. Fomina
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
| | - Daniil V. Sukhinov
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
| | - Sergey N. Malakhov
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
| | - Egor O. Osidak
- Imtek Ltd., 121552 Moscow, Russia;
- Dmitry Rogachev National Medical Research Center of Paediatric Haematology, Oncology and Immunology, 117198 Moscow, Russia
| | - Elena A. Khramtsova
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russia;
| | - Pavel M. Gotovtsev
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
- Moscow Institute of Physics and Technology, National Research University, 141700 Dolgoprudny, Russia
| | - Sergei N. Chvalun
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
| | - Timofei E. Grigoriev
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (Y.D.Z.); (Y.E.S.); (Y.S.F.); (D.V.S.); (S.N.M.); (S.N.C.); (T.E.G.)
- Moscow Institute of Physics and Technology, National Research University, 141700 Dolgoprudny, Russia
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9
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Martínez-Blanco Á, Noé S, Carreras-Vidal L, Otero J, Gavara N. Cryosectioning of Hydrogels as a Reliable Approach to Increase Yield and Further Tune Mechanical Properties. Gels 2023; 9:834. [PMID: 37888407 PMCID: PMC10606893 DOI: 10.3390/gels9100834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023] Open
Abstract
Decellularized extracellular matrix (dECM) hydrogels have emerged as promising materials in tissue engineering. The steps to produce dECM hydrogels containing the bioactive epitopes found in the native matrix are often laborious, including the initial harvesting and decellularization of the animal organ. Furthermore, resulting hydrogels often exhibit weak mechanical properties that require the use of additional crosslinkers such as genipin to truly simulate the mechanical properties of the desired study tissue. In this work, we have developed a protocol to readily obtain tens of thin dECM hydrogel cryosections attached to a glass slide as support, to serve as scaffolds for two-dimensional (2D) or three-dimensional (3D) cell culture. Following extensive atomic force microscopy (AFM)-based mechanical characterization of dECM hydrogels crosslinked with increasing genipin concentrations (5 mM, 10 mM, and 20 mM), we provide detailed protocol recommendations for achieving dECM hydrogels of any biologically relevant stiffness. Given that our protocol requires hydrogel freezing, we also confirm that the approach taken can be further used to increase the mechanical properties of the scaffold in a controlled manner exhibiting twice the stiffness in highly crosslinked arrays. Finally, we explored the effect of ethanol-based short- and long-term sterilization on dECM hydrogels, showing that in some situations it may give rise to significant changes in hydrogel mechanical properties that need to be taken into account in experimental design. The hydrogel cryosections produced were shown to be biocompatible and support cell attachment and spreading for at least 72 h in culture. In brief, our proposed method may provide several advantages for tissue engineering: (1) easy availability and reduction in preparation time, (2) increase in the total hydrogel volume eventually used for experiments being able to obtain 15-22 slides from a 250 µL hydrogel) with a (3) reduction in scaffold variability (only a 17.5 ± 9.5% intraslide variability provided by the method), and (4) compatibility with live-cell imaging techniques or further cell characterization of cells.
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Affiliation(s)
- África Martínez-Blanco
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain; (Á.M.-B.); (S.N.); (L.C.-V.); (J.O.)
| | - Sergio Noé
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain; (Á.M.-B.); (S.N.); (L.C.-V.); (J.O.)
| | - Lourdes Carreras-Vidal
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain; (Á.M.-B.); (S.N.); (L.C.-V.); (J.O.)
| | - Jorge Otero
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain; (Á.M.-B.); (S.N.); (L.C.-V.); (J.O.)
- The Institute for Bioengineering of Catalonia (IBEC), 08028 Barcelona, Spain
- The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
- CIBER de Enfermedades Respiratorias, 28029 Madrid, Spain
| | - Núria Gavara
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain; (Á.M.-B.); (S.N.); (L.C.-V.); (J.O.)
- The Institute for Bioengineering of Catalonia (IBEC), 08028 Barcelona, Spain
- The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
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10
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Ahmed Z, LoGiudice K, Mays G, Schorr A, Rowey R, Yang H, Trivedi S, Srivastava V. Increasing Chemotherapeutic Efficacy Using pH-Modulating and Doxorubicin-Releasing Injectable Chitosan-Poly(ethylene glycol) Hydrogels. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45626-45639. [PMID: 37729014 DOI: 10.1021/acsami.3c09733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Modulation of pH is crucial to maintaining the chemical homeostasis of biological environments. The irregular metabolic pathways exhibited by cancer cells result in the production of acidic byproducts that are excreted and accumulate in the extracellular tumor microenvironment, reducing the pH. As a consequence of the lower pH in tumors, cancer cells increase the expression of metastatic phenotypes and chemotherapeutic resistance. A significant limitation in current cancer therapies is the inability to locally deliver chemotherapeutics, leading to significant damage to healthy cells in systemic administration. To overcome these challenges, we present an injectable chitosan-poly(ethylene glycol) hydrogel that is dual-loaded with doxorubicin and sodium bicarbonate providing alkaline buffering of extracellular acidity and simultaneous chemotherapeutic delivery to increase chemotherapeutic efficacy. We conducted in vitro studies of weak base chemotherapeutic and alkaline buffer release from the hydrogel. The release of doxorubicin from hydrogels increased in a low-pH environment and was dependent on the encapsulated sodium bicarbonate concentration. We investigated the influence of pH on the doxorubicin efficacy and viability of MCF-7 and MDA-MB-231 breast cancer cell lines. The results show a 2- to 3-fold increase in IC50 values from neutral pH to low pH, showing decreased cancer cell viability at neutral pH as compared to acidic pH. The IC50 results were shown to correlate with a decrease in intracellular uptake of doxorubicin at low pH. The proposed hydrogels were confirmed to be nontoxic to healthy MCF-10A mammary epithelial cells. Rheological studies were performed to verify that the dual-loaded hydrogels were injectable. The mechanical and release properties of the hydrogels were maintained after extended storage. The chemotherapeutic activity of doxorubicin was evaluated in the presence of the proposed pH-regulating hydrogels. The findings suggest a promising nontoxic, biodegradable hydrogel buffer delivery system that can achieve two simultaneous important goals of local acidosis neutralization and chemotherapeutic release.
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Affiliation(s)
- Zahra Ahmed
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Kevin LoGiudice
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Gavin Mays
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Angelina Schorr
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Rachel Rowey
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Haisong Yang
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Shruti Trivedi
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
| | - Vikas Srivastava
- School of Engineering, Brown University, Providence, Rhode Island 02912, United States
- Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, United States
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11
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Makar LE, Nady N, Shawky N, Kandil SH. Genipin versus Ferric Chloride cross-linked unmodified Gum Arabic/Chitosan/nano-Hydroxyapatite nanocomposite hydrogels as potential scaffolds for bone regeneration. Sci Rep 2023; 13:14402. [PMID: 37658123 PMCID: PMC10474277 DOI: 10.1038/s41598-023-41413-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 08/25/2023] [Indexed: 09/03/2023] Open
Abstract
Ferric chloride (FeCl3) and Genipin were utilized as cross-linkers to create two types of nanocomposite hydrogels through physical and covalent cross-linking methods, respectively. The hydrogels were composed of unmodified Gum Arabic (GA), Chitosan (Ch), and natural nano-Hydroxyapatite (nHA) using an acrylic acid solvent. Both the natural nHA and the FeCl3 vs. genipin cross-linked GA/Ch/nHA nano-composite hydrogels were prepared and characterized using various in vitro and in vivo analysis techniques. The use of FeCl3 and genipin cross-linkers resulted in the formation of novel hydrogels with compressive strengths of (15.43-22.20 MPa), which are comparable to those of natural cortical bone. In vivo evaluation was conducted by creating calvarial defects (6 mm) in Sprague-Dawley male rats. The results showed the formation of new, full-thickness bone at the implantation sites in all groups, as evidenced by digital planar tomography and histological staining with Hematoxylin and Eosin stain (H & E). Additionally, the use of genipin as a cross-linker positively affected the hydrogel's hydrophilicity and porosity. These findings justify further investigation into the potential of these nanocomposite hydrogels for bone regeneration applications.
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Affiliation(s)
- Lara E Makar
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, El-Shatby, Alexandria, 21526, Egypt.
| | - Norhan Nady
- Polymeric Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, 21934, Egypt.
| | - Neivin Shawky
- Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Alexandria University, Champollion Street - Azarita, Alexandria, 21526, Egypt
| | - Sherif H Kandil
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, El-Shatby, Alexandria, 21526, Egypt
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12
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Emani S, Vangala A, Buonocore F, Yarandi N, Calabrese G. Chitosan Hydrogels Cross-Linked with Trimesic Acid for the Delivery of 5-Fluorouracil in Cancer Therapy. Pharmaceutics 2023; 15:pharmaceutics15041084. [PMID: 37111570 PMCID: PMC10143928 DOI: 10.3390/pharmaceutics15041084] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023] Open
Abstract
Chitosan exhibits unique properties making it a suitable material for drug delivery. Considering the rising popularity of hydrogels in this field, this work offers a comprehensive study of hydrogels constituted by chitosan and cross-linked with 1,3,5-benzene tricarboxylic acid (BTC; also known as trimesic acid). Hydrogels were prepared by cross-linking chitosan with BTC in different concentrations. The nature of the gels was studied through oscillatory amplitude strain and frequency sweep tests within the linear viscoelastic region (LVE) limit. The flow curves of the gels revealed shear thinning behavior. High G′ values imply strong cross-linking with improved stability. The rheological tests revealed that the strength of the hydrogel network increased with the cross-linking degree. Hardness, cohesiveness, adhesiveness, compressibility, and elasticity of the gels were determined using a texture analyzer. The scanning electron microscopy (SEM) data of the cross-linked hydrogels showed distinctive pores with a pore size increasing according to increasing concentrations (pore size range between 3–18 µm). Computational analysis was performed by docking simulations between chitosan and BTC. Drug release studies employing 5-fluorouracil (5-FU) yielded a more sustained release profile with 35 to 50% release among the formulations studied in a 3 h period. Overall, this work demonstrated that the presence of BTC as cross-linker leads to satisfactory mechanical properties of the chitosan hydrogel, suggesting potential applications in the sustained release of cancer therapeutics.
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13
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Taokaew S, Kaewkong W, Kriangkrai W. Recent Development of Functional Chitosan-Based Hydrogels for Pharmaceutical and Biomedical Applications. Gels 2023; 9:277. [PMID: 37102889 PMCID: PMC10138304 DOI: 10.3390/gels9040277] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Chitosan is a promising naturally derived polysaccharide to be used in hydrogel forms for pharmaceutical and biomedical applications. The multifunctional chitosan-based hydrogels have attractive properties such as the ability to encapsulate, carry, and release the drug, biocompatibility, biodegradability, and non-immunogenicity. In this review, the advanced functions of the chitosan-based hydrogels are summarized, with emphasis on fabrications and resultant properties reported in literature from the recent decade. The recent progress in the applications of drug delivery, tissue engineering, disease treatments, and biosensors are reviewed. Current challenges and future development direction of the chitosan-based hydrogels for pharmaceutical and biomedical applications are prospected.
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Affiliation(s)
- Siriporn Taokaew
- Department of Materials Science and Bioengineering, School of Engineering, Nagaoka University of Technology, Nagaoka 940-2188, Japan
| | - Worasak Kaewkong
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand;
| | - Worawut Kriangkrai
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand
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14
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Reay SL, Jackson EL, Salthouse D, Ferreira AM, Hilkens CMU, Novakovic K. Effective Endotoxin Removal from Chitosan That Preserves Chemical Structure and Improves Compatibility with Immune Cells. Polymers (Basel) 2023; 15:polym15071592. [PMID: 37050208 PMCID: PMC10096541 DOI: 10.3390/polym15071592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/13/2023] [Accepted: 03/17/2023] [Indexed: 04/14/2023] Open
Abstract
Chitosan is one of the most researched biopolymers for healthcare applications, however, being a naturally derived polymer, it is susceptible to endotoxin contamination, which elicits pro-inflammatory responses, skewing chitosan's performance and leading to inaccurate conclusions. It is therefore critical that endotoxins are quantified and removed for in vivo use. Here, heat and mild NaOH treatment are investigated as facile endotoxin removal methods from chitosan. Both treatments effectively removed endotoxin to below the FDA limit for medical devices (<0.5 EU/mL). However, in co-culture with peripheral blood mononuclear cells (PBMCs), only NaOH-treated chitosan prevented TNF-α production. While endotoxin removal is the principal task, the preservation of chitosan's structure is vital for the synthesis and lysozyme degradation of chitosan-based hydrogels. The chemical properties of NaOH-treated chitosan (by FTIR-ATR) were significantly similar to its native composition, whereas the heat-treated chitosan evidenced macroscopic chemical and physical changes associated with the Maillard reaction, deeming this treatment unsuitable for further applications. Degradation studies conducted with lysozyme demonstrated that the degradation rates of native and NaOH-treated chitosan-genipin hydrogels were similar. In vitro co-culture studies showed that NaOH hydrogels did not negatively affect the cell viability of monocyte-derived dendritic cells (moDCs), nor induce phenotypical maturation or pro-inflammatory cytokine release.
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Affiliation(s)
- Sophie L Reay
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Emma L Jackson
- Translational & Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Daniel Salthouse
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Ana Marina Ferreira
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Catharien M U Hilkens
- Translational & Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Katarina Novakovic
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
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15
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Saeedi M, Moghbeli MR, Vahidi O. Chitosan/glycyrrhizic acid hydrogel: Preparation, characterization, and its potential for controlled release of gallic acid. Int J Biol Macromol 2023; 231:123197. [PMID: 36639089 DOI: 10.1016/j.ijbiomac.2023.123197] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/23/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
In the present work, chitosan (CHT) as a biodegradable polymer was crosslinked using various amounts of glycyrrhizic acid (GLA) as a novel crosslinking agent to prepare biocompatible hydrogels. The prepared hydrogels were used for the controlled release of gallic acid (GA) in transdermal therapy application. FTIR, XRD, and SEM were used to characterize the prepared gels. The results indicated that the carboxylic acid groups of GLA react with the amine groups of the CHT in the presence of activating coupling reagents to form covalent amide linkage between the polymer chains of CHT and construct CHT cross-linked hydrogel (CCH) network structure. The prepared CCH samples were characterized and used for the controlled release of a drug, i.e. (GA). For this purpose, the swelling kinetic, loading and encapsulation efficiency, in vitro drug release, drug release kinetics, cell viability assay, and anti-bacterial activity of the samples were evaluated. The swelling ratio of CCH samples were in the range of 455-37 % depending on the pH of environment. Swelling kinetic results showed an aggregate to the non-linear second-order kinetic model. Drug release results were fitted by kinetic models while the Korsmeyer-Peppas model was fitted better. The CCH samples exhibited high biocompatibility for 5 mg/ml hydrogel concentration. In addition, the CHT and CCH sample without the GA did not show anti-bacterial properties for 1200 and 150 μg/ml concentrations, respectively. The CCH sample containing the GA exhibited enough anti-bacterial activity on the S. aureus bacteria strain at 150 μg/ml concentration. In contrast, the CCH sample containing the GA has a light anti-bacterial effect on the E. coli bacteria strain. The calculated mesh size of hydrogel networks, drug size, and kinetics models revealed that the CCH samples could release GA based on a diffusion mechanism. In conclusion, the designed CCH samples have enough ability for controlled drug release in transdermal applications.
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Affiliation(s)
- Mostafa Saeedi
- Smart Polymers and Nanocomposites Research Laboratory, School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran 16844-13114, Iran
| | - Mohammad Reza Moghbeli
- Smart Polymers and Nanocomposites Research Laboratory, School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran 16844-13114, Iran.
| | - Omid Vahidi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran 16844-13114, Iran
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16
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Lei Z, Zhu L, Pan P, Ruan Z, Gu Y, Xia X, Wang S, Ge W, Yao Y, Luo F, Xiao H, Guo J, Ding Q, Yin Z, Li Y, Luo Z, Zhang Q, Chen X, Wu J. A vaccine delivery system promotes strong immune responses against SARS-CoV-2 variants. J Med Virol 2023; 95:e28475. [PMID: 36606607 DOI: 10.1002/jmv.28475] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/29/2022] [Accepted: 01/03/2023] [Indexed: 01/07/2023]
Abstract
Global coronavirus disease 2019 (COVID-19) pandemics highlight the need of developing vaccines with universal and durable protection against emerging SARS-CoV-2 variants. Here we developed an extended-release vaccine delivery system (GP-diABZI-RBD), consisting the original SARS-CoV-2 WA1 strain receptor-binding domain (RBD) as the antigen and diABZI stimulator of interferon genes (STING) agonist in conjunction with yeast β-glucan particles (GP-diABZI) as the platform. GP-diABZI-RBD could activate STING pathway and inhibit SARS-CoV-2 replication. Compared to diABZI-RBD, intraperitoneal injection of GP-diABZI-RBD elicited robust cellular and humoral immune responses in mice. Using SARS-CoV-2 GFP/ΔN transcription and replication-competent virus-like particle system (trVLP), we demonstrated that GP-diABZI-RBD-prototype vaccine exhibited the strongest and durable humoral immune responses and antiviral protection; whereas GP-diABZI-RBD-Omicron displayed minimum neutralization responses against trVLP. By using pseudotype virus (PsVs) neutralization assay, we found that GP-diABZI-RBD-Prototype, GP-diABZI-RBD-Delta, and GP-diABZI-RBD-Gamma immunized mice sera could efficiently neutralize Delta and Gamma PsVs, but had weak protection against Omicron PsVs. In contrast, GP-diABZI-RBD-Omicron immunized mice sera displayed the strongest neutralization response to Omicron PsVs. Taken together, the results suggest that GP-diABZI can serve as a promising vaccine delivery system for enhancing durable humoral and cellular immunity against broad SARS-CoV-2 variants. Our study provides important scientific basis for developing SARS-CoV-2 VOC-specific vaccines.
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Affiliation(s)
- Zhiwei Lei
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Leqing Zhu
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou, China.,Guangzhou Laboratory, Bioland, Guangzhou, China
| | - Pan Pan
- Department of Cardiology, The First Affiliated Hospital of Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China
| | - Zhihui Ruan
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China
| | - Yu Gu
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Xichun Xia
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou, China
| | - Shengli Wang
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou, China
| | - Weiwei Ge
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yangrong Yao
- Foshan Institute of Medical Microbiology, Foshan, China
| | - Fazeng Luo
- Foshan Institute of Medical Microbiology, Foshan, China
| | - Heng Xiao
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China
| | - Jun Guo
- Department of Cardiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Qiang Ding
- School of Medicine, Tsinghua University, Beijing, China
| | - Zhinan Yin
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou, China
| | - Yongkui Li
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China
| | - Zhen Luo
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China
| | - Qiwei Zhang
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China
| | - Xin Chen
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Jianguo Wu
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China.,Department of Cardiology, The First Affiliated Hospital of Jinan University, Guangzhou, China.,Foshan Institute of Medical Microbiology, Foshan, China.,State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
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17
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Sapuła P, Bialik-Wąs K, Malarz K. Are Natural Compounds a Promising Alternative to Synthetic Cross-Linking Agents in the Preparation of Hydrogels? Pharmaceutics 2023; 15:253. [PMID: 36678882 PMCID: PMC9866639 DOI: 10.3390/pharmaceutics15010253] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 01/13/2023] Open
Abstract
The main aim of this review is to assess the potential use of natural cross-linking agents, such as genipin, citric acid, tannic acid, epigallocatechin gallate, and vanillin in preparing chemically cross-linked hydrogels for the biomedical, pharmaceutical, and cosmetic industries. Chemical cross-linking is one of the most important methods that is commonly used to form mechanically strong hydrogels based on biopolymers, such as alginates, chitosan, hyaluronic acid, collagen, gelatin, and fibroin. Moreover, the properties of natural cross-linking agents and their advantages and disadvantages are compared relative to their commonly known synthetic cross-linking counterparts. Nowadays, advanced technologies can facilitate the acquisition of high-purity biomaterials from unreacted components with no additional purification steps. However, while planning and designing a chemical process, energy and water consumption should be limited in order to reduce the risks associated with global warming. However, many synthetic cross-linking agents, such as N,N'-methylenebisacrylamide, ethylene glycol dimethacrylate, poly (ethylene glycol) diacrylates, epichlorohydrin, and glutaraldehyde, are harmful to both humans and the environment. One solution to this problem could be the use of bio-cross-linking agents obtained from natural resources, which would eliminate their toxic effects and ensure the safety for humans and the environment.
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Affiliation(s)
- Paulina Sapuła
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, 24 Warszawska St., 31-155 Cracow, Poland
| | - Katarzyna Bialik-Wąs
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, 24 Warszawska St., 31-155 Cracow, Poland
| | - Katarzyna Malarz
- A. Chelkowski Institute of Physics, Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1A, 41-500 Chorzow, Poland
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18
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Synthesis and characterization of novel Spirulina protein isolate (SPI)-based hydrogels through dual-crosslinking with genipin/Zn2+. Food Res Int 2022; 162:112107. [DOI: 10.1016/j.foodres.2022.112107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 11/13/2022]
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19
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Development and cytotoxicity evaluation of a cylindrical pH-responsive chitosan-genipin hydrogel for the oral delivery of diclofenac sodium. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Genipin-crosslinked gelatin-based composite hydrogels reinforced with amino-functionalized microfibrillated cellulose. Int J Biol Macromol 2022; 222:3155-3167. [DOI: 10.1016/j.ijbiomac.2022.10.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/08/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022]
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21
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Li M, He X, Zhao R, Shi Q, Nian Y, Hu B. Hydrogels as promising carriers for the delivery of food bioactive ingredients. Front Nutr 2022; 9:1006520. [PMID: 36238460 PMCID: PMC9551458 DOI: 10.3389/fnut.2022.1006520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
The burden of public health challenges associated with the western dietary and living style is growing. Nutraceuticals have been paid increasing attentions due to their effects in promotion of health. However, in the gastrointestinal (GI) tract, the nutraceuticals suffer from not only the harsh acidic environment of the stomach and a variety of digestive enzymes, but also the antibacterial activity of intestinal bile salts and the action of protease from the gut microbiota. The amount of the nutraceuticals arriving at the sites in GI tract for absorption or exerting the bioactivities is always unfortunately limited, which puts forward high requirements for protection of nutraceuticals in a certain high contents during oral consumption. Hydrogels are three-dimensional polymeric porous networks formed by the cross-linking of polymer chains, which can hold huge amounts of water. Compared with other carries with the size in microscopic scale such as nanoparticle and microcapsules, hydrogels could be considered to be more suitable delivery systems in food due to their macroscopic bulk properties, adjustable viscoelasticity and large spatial structure for embedding nutraceuticals. Regarding to the applications in food, natural polymer-based hydrogels are commonly safe and popular due to their source with the appealing characteristics of affordability, biodegradability and biocompatibility. Although chemical crosslinking has been widely utilized in preparation of hydrogels, it prefers the physical crosslinking in the researches in food. The reasonable design for the structure of natural polymeric hydrogels is essential for seeking the favorable functionalities to apply in the delivery system, and it could be possible to obtain the enhanced adhesive property, acid stability, resistant to bile salt, and the controlled release behavior. The hydrogels prepared with proteins, polysaccharides or the mix of them to deliver the functional ingredients, mainly the phenolic components, vitamins, probiotics are discussed to obtain inspiration for the wide applications in delivery systems. Further efforts might be made in the in situ formation of hydrogels in GI tract through the interaction among food polymers and small-molecular ingredients, elevation of the loading contents of nutraceuticals in hydrogels, development of stomach adhesive hydrogels as well as targeting modification of gut microbiota by the hydrogels.
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Affiliation(s)
- Min Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Xiaoqian He
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Ran Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Qixin Shi
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yingqun Nian
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Bing Hu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
- Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, China
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Detailed Structural Characterization of Oxidized Sucrose and Its Application in the Fully Carbohydrate-Based Preparation of a Hydrogel from Carboxymethyl Chitosan. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186137. [PMID: 36144870 PMCID: PMC9503324 DOI: 10.3390/molecules27186137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 11/24/2022]
Abstract
Oxidized sucrose (OS) is a bio-based cross-linking agent with excellent biological safety and environmental non-toxicity. However, the precise structure of OS has not been elucidated owing to its structural complexity and low purity. Accordingly, in this study, complete chemical shift assignments were performed by applying various nuclear magnetic resonance techniques, which permitted the structural and quantitative characterization of the two main OS products, each of which contained four aldehyde groups. In addition, we investigated the use of OS as a cross-linking agent in the preparation of a hydrogel from carboxymethyl chitosan (CMC), one of the most popular polysaccharides for use in biomedical applications. The primary amine groups of CMC were immediately cross-linked with the aldehyde groups of OS to form hydrogels without the requirement for a catalyst. It was found that the degree of cross-linking could be easily controlled by the feed amount of OS during CMC hydrogel preparation and the final cross-linking degree affected the thermal, swelling, and rheological properties of the obtained hydrogel. The results presented in this study are therefore expected to be applicable in the preparation of fully carbohydrate-based hydrogels for medical and pharmaceutical applications.
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