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Chandel AKS, Sreedevi Madhavikutty A, Okada S, Qiming Z, Inagaki NF, Ohta S, Ito T. Injectable, shear-thinning, photocrosslinkable, and tissue-adhesive hydrogels composed of diazirine-modified hyaluronan and dendritic polyethyleneimine. Biomater Sci 2024; 12:1454-1464. [PMID: 38223981 DOI: 10.1039/d3bm01279d] [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: 01/16/2024]
Abstract
In the present study, we report the first synthesis of diazirine-modified hyaluronic acid (HA-DAZ). In addition, we also produced a precursor polymer solution composed of HA-DAZ and dendritic polyethyleneimine (DPI) that showed strong shear-thinning properties. Furthermore, its viscosity was strongly reduced (i.e., from 5 × 105 mPa s at 10-3 s-1 to 6 × 101 mPa s at 103 s-1), substantially, which enhanced solution injectability using a 21 G needle. After ultraviolet irradiation at 365 nm and 6 mW cm-2, the HA-DAZ/DPI solution achieved rapid gelation, as measured using the stirring method, and its gelation time decreased from 200 s to 9 s as the total concentrations of HA-DAZ and DPI increased. Following UV irradiation, the storage modulus increased from 40 to 200 Pa. In addition, reversible sol-gel transition and self-healing properties were observed even after UV irradiation. This suggests that the HA-DAZ/DPI hydrogel was crosslinked in multiple ways, i.e., via covalent bonding between the diazirine and amine groups and via intermolecular interactions, including hydrogen bonding, electrostatic interactions, and hydrophobic interactions. A lap shear test showed that the HA-DAZ/DPI hydrogel exhibited strong adhesiveness as a fibrin glue following UV irradiation. Finally, the HA-DAZ/DPI hydrogel showed higher tissue reinforcement than fibrin glue in an ex vivo burst pressure test of the porcine esophageal mucosa.
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Affiliation(s)
- Arvind K Singh Chandel
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Athira Sreedevi Madhavikutty
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Saki Okada
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Zhang Qiming
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Natsuko F Inagaki
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Seiichi Ohta
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
- Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Taichi Ito
- Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
- Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Radiology and Biomedical Engineering, School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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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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Shokrani H, Shokrani A, Seidi F, Munir MT, Rabiee N, Fatahi Y, Kucinska-Lipka J, Saeb MR. Biomedical engineering of polysaccharide-based tissue adhesives: Recent advances and future direction. Carbohydr Polym 2022; 295:119787. [DOI: 10.1016/j.carbpol.2022.119787] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/01/2022] [Accepted: 06/23/2022] [Indexed: 12/28/2022]
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Sairaman S, Nivedhitha MS, Shrivastava D, Al Onazi MA, Algarni HA, Mustafa M, Alqahtani AR, AlQahtani N, Teja KV, Janani K, Eswaramoorthy R, Sudhakar MP, Alam MK, Srivastava KC. Biocompatibility and antioxidant activity of a novel carrageenan based injectable hydrogel scaffold incorporated with Cissus quadrangularis: an in vitro study. BMC Oral Health 2022; 22:377. [PMID: 36064680 PMCID: PMC9442992 DOI: 10.1186/s12903-022-02409-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 08/17/2022] [Indexed: 01/26/2024] Open
Abstract
Background Over the past years, polysaccharide-based scaffolds have emerged as the most promising material for tissue engineering. In the present study, carrageenan, an injectable scaffold has been used owing to its advantage and superior property. Cissus quadrangularis, a natural agent was incorporated into the carrageenan scaffold. Therefore, the present study aimed to assess the antioxidant activity and biocompatibility of this novel material.
Methods The present in vitro study comprised of four study groups each constituting a sample of 15 with a total sample size of sixty (n = 60). The carrageenan hydrogel devoid of Cissus quadrangularis acted as the control group (Group-I). Based on the concentration of aqueous extract of Cissus quadrangularis (10% w/v, 20% w/v and 30% w/v) in carrageenan hydrogel, respective study groups namely II, III and IV were considered. Antioxidant activity was assessed using a 1,1-diphenyl-2-picrylhydrazyl radical scavenging assay, whereas the biocompatibility test was performed using a brine shrimp lethality assay. The microstructure and surface morphology of the hydrogel samples containing different concentrations of Cissus quadrangularis aqueous extract was investigated using SEM. One-way ANOVA with the post hoc tukey test was performed using SPSS software v22.
Results A significant difference (P < 0.05) in the antioxidant activity was observed among the study groups. Group III reported the highest activity, whereas the control group showed the least antioxidant activity. Additionally, a significant (P < 0.01) drop in the antioxidant activity was observed in group IV when compared with group III. While assessing the biocompatibility, a significant (P < 0.001) dose-dependent increase in biocompatibility was observed with the increasing concentration of aqueous extract of Cissus quadrangularis. SEM analysis in group III showed even distribution throughout the hydrogel although the particles are close and densely arranged. Reduced antioxidant activity in group IV was probably due to clumping of the particles, thus reducing the active surface area. Conclusion Keeping the limitations of in vitro study, it can be assumed that a carrageenan based injectable hydrogel scaffold incorporated with 20% w/v Cissus quadrangularis can provide a favourable micro-environment as it is biocompatible and possess better antioxidant property.
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Affiliation(s)
- Sruthi Sairaman
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - M S Nivedhitha
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - Deepti Shrivastava
- Periodontics, Preventive Dentistry, College of Dentistry, Jouf University, Sakaka, 72345, Saudi Arabia.
| | - Meshal Aber Al Onazi
- Department of Operative Dentistry and Endodontics, College of Dentistry, Jouf University, Sakaka, 72345, Saudi Arabia
| | - Hmoud Ali Algarni
- Department of Operative Dentistry and Endodontics, College of Dentistry, Jouf University, Sakaka, 72345, Saudi Arabia
| | - Mohammed Mustafa
- Department of Conservative Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
| | - Ali Robaian Alqahtani
- Department of Conservative Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
| | - Nouf AlQahtani
- Dental Department, FM & PHC, NGHA-CR, Riyadh, Saudi Arabia
| | - Kavalipurapu Venkata Teja
- Department of Conservative Dentistry and Endodontics, Mamata Institute of Dental Sciences, Bachupally, Hyderabad, Telangana state, 500090, India
| | - Krishnamachari Janani
- Department of Conservative Dentistry and Endodontics, SRM Dental College, SRM Institute of Science and Technology, Chennai, India
| | - Rajalakshmanan Eswaramoorthy
- Department of Biomaterials, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - M P Sudhakar
- Department of Biomaterials, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India
| | - Mohammad Khursheed Alam
- Department of Orthodontics, Department of Preventive Dentistry, College of Dentistry, Jouf University, Sakaka, 72345, Saudi Arabia
| | - Kumar Chandan Srivastava
- Oral Medicine and Maxillofacial Radiology, Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jouf University, Sakaka, 72345, Saudi Arabia.
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Moghanian A, Cecen B, Nafisi N, Miri Z, Rosenzweig DH, Miri AK. Review of Current Literature for Vascularized Biomaterials in Dental Repair. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Ye S, Wei B, Zeng L. Advances on Hydrogels for Oral Science Research. Gels 2022; 8:gels8050302. [PMID: 35621600 PMCID: PMC9140480 DOI: 10.3390/gels8050302] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/22/2022] [Accepted: 04/25/2022] [Indexed: 11/16/2022] Open
Abstract
Hydrogels are biocompatible polymer systems, which have become a hotspot in biomedical research. As hydrogels mimic the structure of natural extracellular matrices, they are considered as good scaffold materials in the tissue engineering area for repairing dental pulp and periodontal damages. Combined with different kinds of stem cells and growth factors, various hydrogel complexes have played an optimistic role in endodontic and periodontal tissue engineering studies. Further, hydrogels exhibit biological effects in response to external stimuli, which results in hydrogels having a promising application in local drug delivery. This review summarized the advances of hydrogels in oral science research, in the hopes of providing a reference for future applications.
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Affiliation(s)
- Shengjia Ye
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China;
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, China
| | - Bin Wei
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, China
- Department of Stomatology Special Consultation Clinic, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- Correspondence: (B.W.); (L.Z.)
| | - Li Zeng
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China;
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Engineering Research Center of Advanced Dental Technology and Materials, Shanghai 200011, China
- Correspondence: (B.W.); (L.Z.)
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Biomedyczne właściwości chitozanu – zastosowanie w inżynierii tkankowej Biomedical properties of chitosan: Application in tissue engineering. POSTEP HIG MED DOSW 2022. [DOI: 10.2478/ahem-2021-0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstrakt
Inżynieria tkankowa to interdyscyplinarna dziedzina badań, która stosuje zasady inżynierii i nauk przyrodniczych do opracowywania substytutów biologicznych, przywracania, utrzymywania lub poprawy funkcji tkanek. Łączy medycy-nę kliniczną, inżynierię mechaniczną, materiałoznawstwo i biologię molekularną. Chitozan jest związkiem, który może być stosowany na szeroką skalę w biomedycynie, m.in. jako nośnik leków, nici chirurgiczne, materiały opatrunkowe przeznaczone do przyspieszonego gojenia ran oraz rusztowania komórkowe w inżynierii tkankowej. Chitozon spełnia najważniejsze kryteria dla biomateriałów, m.in. kompatybilność, odpowiednie właściwości mechaniczne, morfologia i porowatość, nietoksyczność i biodegradowalność. Rusztowania chitozanowe mogą sprzyjać adhezji, różnicowaniu i proliferacji na powierzchni komórek. Z chitozanu można tworzyć różne formy funkcjonalne w zależności od potrzeb i wymagań, w tym: hydrożele 3D, gąbki 3D, folie i membrany oraz nanowłókna. Ze względu na unikalne właściwości fizykochemiczne biopolimer ten może być również wykorzystany do oczyszczania białek terapeutycznych z endotoksyn bakteryjnych, co jest dziś istotnym problemem w oczyszczaniu produktu końcowego w zastosowaniach medycznych. Obecnie terapie oparte na białkach rekombinowanych znajdują szerokie zastosowanie w terapiach celowanych, inżynierii tkankowej oraz szeroko pojętej medycynie regeneracyjnej. Dlatego tak ważny jest współistniejący, dobrze zapro-jektowany system oczyszczania produktu białkowego, który nie zmieni swoich zasadniczych właściwości. Artykuł jest przeglądem aktualnych badań nad zastosowaniem materiałów bioaktywnych na bazie chitozanu w medycynie regene-racyjnej różnych tkanek i narządów (m.in. tkanki chrzęstnej i kostnej, tkanki skórnej czy tkanki nerwowej).
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Peers S, Montembault A, Ladavière C. Chitosan hydrogels incorporating colloids for sustained drug delivery. Carbohydr Polym 2022; 275:118689. [PMID: 34742416 DOI: 10.1016/j.carbpol.2021.118689] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 02/07/2023]
Abstract
In today's biomedical research, a huge effort is being made towards the development of efficient drug delivery systems, achieving sustainable and controlled delivery of drugs. Chitosan (CS) hydrogels are high water content materials with very relevant biological properties to that purpose. Their use for a local and delayed delivery has already been demonstrated for a wide variety of therapeutic agents. One relatively recent strategy to improve these CS-based systems consists in the insertion of colloids, embedding drugs, within their three-dimensional matrix. This provides a second barrier to the diffusion of drugs through the system, and allows to better control their release. The main objective of this review is to report the many existing complex systems composed of CS hydrogels embedding different types of colloids used as drug delivery devices to delay the release of drugs. The various biomedical applications of such final systems are also detailed in this review.
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Affiliation(s)
- S Peers
- University of Lyon, CNRS, Claude Bernard Lyon 1 University, INSA, Ingénierie des Matériaux Polymères, IMP UMR 5223, 15 bd A. Latarjet, F-69622 Villeurbanne, France
| | - A Montembault
- University of Lyon, CNRS, Claude Bernard Lyon 1 University, INSA, Ingénierie des Matériaux Polymères, IMP UMR 5223, 15 bd A. Latarjet, F-69622 Villeurbanne, France.
| | - C Ladavière
- University of Lyon, CNRS, Claude Bernard Lyon 1 University, INSA, Ingénierie des Matériaux Polymères, IMP UMR 5223, 15 bd A. Latarjet, F-69622 Villeurbanne, France.
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Xiong S, Sun W, Chen R, Yuan Z, Cheng X. Fluorescent dialdehyde-BODIPY chitosan hydrogel and its highly sensing ability to Cu 2+ ion. Carbohydr Polym 2021; 273:118590. [PMID: 34560991 DOI: 10.1016/j.carbpol.2021.118590] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 07/26/2021] [Accepted: 08/18/2021] [Indexed: 11/19/2022]
Abstract
Fluorescent hydrogel with proper hydrophilicity and thermal stability, excellent sensitivity and high selectivity has important practical and scientific significance, especially in heavy metal ion detection. In this work, by adjusting the content of [2, 6-Bis-[4-formylthiophene]]-1,3,5,7-tetramethyl-8-phenyl-4, 4-difluoroborazaindoloene (B3), as a cross-linking agent, a series of chitosan- fluoroboron dipyrrole-chitosan-based fluorescent hydrogels (CBC) with large stokes shift were designed and prepared. The hydrogels can be used as fluorescent probes for identifying Cu2+ in aqueous solution. The linear quenching range of Cu2+ is 0-50 μM, and the detection limit and quenching constant are 4.75 μM and 3.52 × 104 M-1, respectively. Under the interaction of Cu2+, the imine bond CN was converted to C- N bond, which causes the phenomenon of fluorescence quenching. In addition, relatively high crosslink density improves hydrophilicity and thermal stability of initial chitosan, and made the swelling ability better.
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Affiliation(s)
- Shuangyu Xiong
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Wei Sun
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Rong Chen
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Zhiqiang Yuan
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
| | - Xinjian Cheng
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China.
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Prudovsky I. Cellular Mechanisms of FGF-Stimulated Tissue Repair. Cells 2021; 10:cells10071830. [PMID: 34360000 PMCID: PMC8304273 DOI: 10.3390/cells10071830] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 01/10/2023] Open
Abstract
Growth factors belonging to the FGF family play important roles in tissue and organ repair after trauma. In this review, I discuss the regulation by FGFs of the aspects of cellular behavior important for reparative processes. In particular, I focus on the FGF-dependent regulation of cell proliferation, cell stemness, de-differentiation, inflammation, angiogenesis, cell senescence, cell death, and the production of proteases. In addition, I review the available literature on the enhancement of FGF expression and secretion in damaged tissues resulting in the increased FGF supply required for tissue repair.
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Affiliation(s)
- Igor Prudovsky
- Maine Medical Center Research Institute, 81 Research Dr., Scarborough, ME 04074, USA
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Abstract
Hydrogels are an important class of soft materials that find use in bioactive agent delivery. Because of their high water content, hydrogels generally show poor mechanical strength. Long-term wear and tear in physiological conditions may lead to damage in the hydrogel structure during the delivery of bioactive agents. This results in burst and uncontrolled agent release. One strategy to solve this problem is to incorporate self-healing properties into a hydrogel so that the hydrogel can heal fractures automatically to restore original mechanical properties. The objectives of this article are to revisit the latest advances in the design of self-healing hydrogel-based carriers and to offer insights into further research to translate these carriers from the laboratory to real applications.
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Affiliation(s)
- Wing-Fu Lai
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China.,Ciechanover Institute of Precision and Regenerative Medicine, School of Life and Health Sciences, The Chinese University of Hong Kong (Shenzhen), Shenzhen 518172, China
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Esmaeili J, Barati A, Ai J, Nooshabadi VT, Mirzaei Z. Employing hydrogels in tissue engineering approaches to boost conventional cancer-based research and therapies. RSC Adv 2021; 11:10646-10669. [PMID: 35423538 PMCID: PMC8695814 DOI: 10.1039/d1ra00855b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 02/22/2021] [Indexed: 12/17/2022] Open
Abstract
Cancer is a complicated disease that involves the efforts of researchers to introduce and investigate novel successful treatments. Traditional cancer therapy approaches, especially chemotherapy, are prone to possible systemic side effects, such as the dysfunction of liver or kidney, neurological side effects and a decrease of bone marrow activity. Hydrogels, along with tissue engineering techniques, provide tremendous potential for scientists to overcome these issues through the release of drugs at the site of tumor. Hydrogels demonstrated competency as potent and stimulus-sensitive drug delivery systems for tumor removal, which is attributed to their unique features, including high water content, biocompatibility, and biodegradability. In addition, hydrogels have gained more attention as 3D models for easier and faster screening of cancer and tumors due to their potential in mimicking the extracellular matrix. Hydrogels as a reservoir can be loaded by an effective dosage of chemotherapeutic agents, and then deliver them to targets. In comparison to conventional procedures, hydrogels considerably decreased the total cost, duration of research, and treatment time. This study provides a general look into the potential role of hydrogels as a powerful tool to augment cancer studies for better analysis of cancerous cell functions, cell survival, angiogenesis, metastasis, and drug screening. Moreover, the upstanding application of drug delivery systems related to the hydrogel in order to sustain the release of desired drugs in the tumor cell-site were explored.
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Affiliation(s)
- Javad Esmaeili
- Department of Chemical Engineering, Faculty of Engineering, Arak University Arak Iran
- Department of Tissue Engineering, TISSUEHUB CO. Tehran Iran
| | - Abolfazl Barati
- Department of Chemical Engineering, Faculty of Engineering, Arak University Arak Iran
| | - Jafar Ai
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Technologies, Tehran University of Medical Sciences Tehran 14177-55469 Iran
| | - Vajihe Taghdiri Nooshabadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Technologies, Tehran University of Medical Sciences Tehran 14177-55469 Iran
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences Semnan Iran
| | - Zeynab Mirzaei
- Faculty of Biomedical Engineering, Amirkabir University of Technology Hafez str. 424 Tehran Iran
- Department of Tissue Engineering, TISSUEHUB CO. Tehran Iran
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Abstract
Polymeric tissue adhesives provide versatile materials for wound management and are widely used in a variety of medical settings ranging from minor to life-threatening tissue injuries. Compared to the traditional methods of wound closure (i.e., suturing and stapling), they are relatively easy to use, enable rapid application, and introduce minimal tissue damage. Furthermore, they can act as hemostats to control bleeding and provide a tissue-healing environment at the wound site. Despite their numerous current applications, tissue adhesives still face several limitations and unresolved challenges (e.g., weak adhesion strength and poor mechanical properties) that limit their use, leaving ample room for future improvements. Successful development of next-generation adhesives will likely require a holistic understanding of the chemical and physical properties of the tissue-adhesive interface, fundamental mechanisms of tissue adhesion, and requirements for specific clinical applications. In this review, we discuss a set of rational guidelines for design of adhesives, recent progress in the field along with examples of commercially available adhesives and those under development, tissue-specific considerations, and finally potential functions for future adhesives. Advances in tissue adhesives will open new avenues for wound care and potentially provide potent therapeutics for various medical applications.
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Affiliation(s)
- Sungmin Nam
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02134, United States.,Wyss Institute for Biologically Inspired Engineering, Cambridge, Massachusetts 02115, United States
| | - David Mooney
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02134, United States.,Wyss Institute for Biologically Inspired Engineering, Cambridge, Massachusetts 02115, United States
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Abbass MMS, El-Rashidy AA, Sadek KM, Moshy SE, Radwan IA, Rady D, Dörfer CE, Fawzy El-Sayed KM. Hydrogels and Dentin-Pulp Complex Regeneration: From the Benchtop to Clinical Translation. Polymers (Basel) 2020; 12:E2935. [PMID: 33316886 PMCID: PMC7763835 DOI: 10.3390/polym12122935] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/08/2020] [Accepted: 11/10/2020] [Indexed: 02/06/2023] Open
Abstract
Dentin-pulp complex is a term which refers to the dental pulp (DP) surrounded by dentin along its peripheries. Dentin and dental pulp are highly specialized tissues, which can be affected by various insults, primarily by dental caries. Regeneration of the dentin-pulp complex is of paramount importance to regain tooth vitality. The regenerative endodontic procedure (REP) is a relatively current approach, which aims to regenerate the dentin-pulp complex through stimulating the differentiation of resident or transplanted stem/progenitor cells. Hydrogel-based scaffolds are a unique category of three dimensional polymeric networks with high water content. They are hydrophilic, biocompatible, with tunable degradation patterns and mechanical properties, in addition to the ability to be loaded with various bioactive molecules. Furthermore, hydrogels have a considerable degree of flexibility and elasticity, mimicking the cell extracellular matrix (ECM), particularly that of the DP. The current review presents how for dentin-pulp complex regeneration, the application of injectable hydrogels combined with stem/progenitor cells could represent a promising approach. According to the source of the polymeric chain forming the hydrogel, they can be classified into natural, synthetic or hybrid hydrogels, combining natural and synthetic ones. Natural polymers are bioactive, highly biocompatible, and biodegradable by naturally occurring enzymes or via hydrolysis. On the other hand, synthetic polymers offer tunable mechanical properties, thermostability and durability as compared to natural hydrogels. Hybrid hydrogels combine the benefits of synthetic and natural polymers. Hydrogels can be biofunctionalized with cell-binding sequences as arginine-glycine-aspartic acid (RGD), can be used for local delivery of bioactive molecules and cellularized with stem cells for dentin-pulp regeneration. Formulating a hydrogel scaffold material fulfilling the required criteria in regenerative endodontics is still an area of active research, which shows promising potential for replacing conventional endodontic treatments in the near future.
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Affiliation(s)
- Marwa M. S. Abbass
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Aiah A. El-Rashidy
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Khadiga M. Sadek
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
- Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
| | - Sara El Moshy
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Israa Ahmed Radwan
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Dina Rady
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (M.M.S.A.); (S.E.M.); (I.A.R.); (D.R.)
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
| | - Christof E. Dörfer
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
| | - Karim M. Fawzy El-Sayed
- Stem Cells and Tissue Engineering Research Group, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt; (A.A.E.-R.); (K.M.S.)
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian Albrechts University, 24105 Kiel, Germany;
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Cairo University, Cairo 11562, Egypt
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Kupikowska-Stobba B, Lewińska D. Polymer microcapsules and microbeads as cell carriers for in vivo biomedical applications. Biomater Sci 2020; 8:1536-1574. [PMID: 32110789 DOI: 10.1039/c9bm01337g] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Polymer microcarriers are being extensively explored as cell delivery vehicles in cell-based therapies and hybrid tissue and organ engineering. Spherical microcarriers are of particular interest due to easy fabrication and injectability. They include microbeads, composed of a porous matrix, and microcapsules, where matrix core is additionally covered with a semipermeable membrane. Microcarriers provide cell containment at implantation site and protect the cells from host immunoresponse, degradation and shear stress. Immobilized cells may be genetically altered to release a specific therapeutic product directly at the target site, eliminating side effects of systemic therapies. Cell microcarriers need to fulfil a number of extremely high standards regarding their biocompatibility, cytocompatibility, immunoisolating capacity, transport, mechanical and chemical properties. To obtain cell microcarriers of specified parameters, a wide variety of polymers, both natural and synthetic, and immobilization methods can be applied. Yet so far, only a few approaches based on cell-laden microcarriers have reached clinical trials. The main issue that still impedes progress of these systems towards clinical application is limited cell survival in vivo. Herein, we review polymer biomaterials and methods used for fabrication of cell microcarriers for in vivo biomedical applications. We describe their key limitations and modifications aiming at improvement of microcarrier in vivo performance. We also present the main applications of polymer cell microcarriers in regenerative medicine, pancreatic islet and hepatocyte transplantation and in the treatment of cancer. Lastly, we outline the main challenges in cell microimmobilization for biomedical purposes, the strategies to overcome these issues and potential future improvements in this area.
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Affiliation(s)
- Barbara Kupikowska-Stobba
- Laboratory of Electrostatic Methods of Bioencapsulation, Department of Biomaterials and Biotechnological Systems, Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Trojdena 4, 02-109 Warsaw, Poland.
| | - Dorota Lewińska
- Laboratory of Electrostatic Methods of Bioencapsulation, Department of Biomaterials and Biotechnological Systems, Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Trojdena 4, 02-109 Warsaw, Poland.
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Shafabakhsh R, Yousefi B, Asemi Z, Nikfar B, Mansournia MA, Hallajzadeh J. Chitosan: A compound for drug delivery system in gastric cancer-a review. Carbohydr Polym 2020; 242:116403. [PMID: 32564837 DOI: 10.1016/j.carbpol.2020.116403] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/29/2020] [Accepted: 05/03/2020] [Indexed: 02/07/2023]
Abstract
Gastric cancer is known as the fourth most common cancer and the second main cause of cancer-related deaths. Gastric cancer has some characteristics including high incidence rates of metastasis and mortality as well as low rates of early diagnosis, radical resection and 5-year survival. Radical surgery and following chemotherapy has been done for patients with early gastric cancer leading to 90 % survival rate in 5-year after operation. Besides, in advanced stage some cases don't have the chance of surgery as well as the risk of metastasis is high in these patients overally leading to poor prognosis. In recent years, finding a suitable drug delivery system for chemotherapeutic drugs in gastric cancer is an considerable subject for researchers. Chitosan is known as an appropriate compound for chemo-drug delivery in cancer treatment due to its high biodegradability and biocompatibility. Moreover, trans-mucosal drug delivery is facilitated by chitosan via its mucoadhesive and cationic features enhancing interaction with mucous membrane. In addition, a large amount of experimental evidence has reported the efficacy of chitosan for drug delivery in gastric cancer. Thus, the aim of this article was to review this evidence as well as new chitosan-based drug delivery systems investigated in gastric cancer.
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Affiliation(s)
- Rana Shafabakhsh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran.
| | - Bahman Yousefi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran.
| | - Banafsheh Nikfar
- Pars Advanced and Minimally Invasive Medical Manners Research Center, Pars Hospital, Iran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Jamal Hallajzadeh
- Department of Biochemistry and Nutrition, Research Center for Evidence-Based Health Management, Maragheh University of Medical Sciences, Maragheh, Iran.
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Op 't Veld RC, Walboomers XF, Jansen JA, Wagener FADTG. Design Considerations for Hydrogel Wound Dressings: Strategic and Molecular Advances. TISSUE ENGINEERING PART B-REVIEWS 2020; 26:230-248. [PMID: 31928151 DOI: 10.1089/ten.teb.2019.0281] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Wound dressings are traditionally used to protect a wound and to facilitate healing. Currently, their function is expanding. There is an urgent need for new smart products that not only act as a protective barrier but also actively support the wound healing process. Hydrogel dressings are an example of such innovative products and typically facilitate wound healing by providing a hospitable and moist environment in which cells can thrive, while the wound can still breathe and exudate can be drained. These dressings also tend to be less painful or have a soothing effect and allow for additional drug delivery. In this review, various strategic and molecular design considerations are discussed that are relevant for developing a hydrogel into a wound dressing product. These considerations vary from material choice to ease of use and determine the dressing's final properties, application potential, and benefits for the patient. The focus of this review lies on identifying and explaining key aspects of hydrogel wound dressings and their relevance in the different phases of wound repair. Molecular targets of wound healing are discussed that are relevant when tailoring hydrogels toward specific wound healing scenarios. In addition, the potential of hydrogels is reviewed as medicine advances from a repair-based wound healing approach toward a regenerative-based one. Hydrogels can play a key role in the transition toward personal wound care and facilitating regenerative medicine strategies by acting as a scaffold for (stem) cells and carrier/source of bioactive molecules and/or drugs. Impact statement Improved wound healing will lead to a better quality of life around the globe. It can be expected that this coincides with a reduction in health care spending, as the duration of treatment decreases. To achieve this, new and modern wound care products are desired that both facilitate healing and improve comfort and outcome for the patient. It is proposed that hydrogel wound dressings can play a pivotal role in improving wound care, and to that end, this review aims to summarize the various design considerations that can be made to optimize hydrogels for the purpose of a wound dressing.
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Affiliation(s)
- Roel C Op 't Veld
- Department of Dentistry-Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands.,Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - X Frank Walboomers
- Department of Dentistry-Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - John A Jansen
- Department of Dentistry-Biomaterials, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - Frank A D T G Wagener
- Department of Dentistry-Orthodontics and Craniofacial Biology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
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Nandi R, Yucknovsky A, Mazo MM, Amdursky N. Exploring the inner environment of protein hydrogels with fluorescence spectroscopy towards understanding their drug delivery capabilities. J Mater Chem B 2020; 8:6964-6974. [DOI: 10.1039/d0tb00818d] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Time-resolved fluorescence have used to explore the inner surface and solvation dynamics within protein hydrogels assisting in rationalizing their drug binding and release capabilities.
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Affiliation(s)
- Ramesh Nandi
- Schulich Faculty of Chemistry
- Technion Israel Institute of Technology
- Haifa-3200003
- Israel
| | - Anna Yucknovsky
- Schulich Faculty of Chemistry
- Technion Israel Institute of Technology
- Haifa-3200003
- Israel
| | - Manuel M. Mazo
- Cell Therapy Area
- Clinica Universidad de Navarra, and Regenerative Medicine Program
- Cima Universidad de Navarra
- Pamplona
- Spain
| | - Nadav Amdursky
- Schulich Faculty of Chemistry
- Technion Israel Institute of Technology
- Haifa-3200003
- Israel
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Tao F, Cheng Y, Shi X, Zheng H, Du Y, Xiang W, Deng H. Applications of chitin and chitosan nanofibers in bone regenerative engineering. Carbohydr Polym 2019; 230:115658. [PMID: 31887899 DOI: 10.1016/j.carbpol.2019.115658] [Citation(s) in RCA: 163] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/30/2019] [Accepted: 11/22/2019] [Indexed: 12/21/2022]
Abstract
Promoting bone regeneration and repairing defects are urgent and critical challenges in orthopedic clinical practice. Research on bone substitute biomaterials is essential for improving the treatment strategies for bone regeneration. Chitin and its derivative, chitosan, are among the most abundant natural biomaterials and widely found in the shells of crustaceans. Chitin and chitosan are non-toxic, antibacterial, biocompatible, degradable, and have attracted significant attention in bone substitute biomaterials. Chitin/chitosan nanofibers and nanostructured scaffolds have large surface area to volume ratios and high porosities. These scaffolds can be fabricated by electrospinning, thermally induced phase separation and self-assembly, and are widely used in biomedical applications such as biological scaffolds, drug delivery, bacterial inhibition, and wound dressing. Recently, some chitin/chitosan-based nanofibrous scaffolds have been found structurally similar to bone's extracellular matrix and can assist in bone regeneration. This review outlines the biomedical applications and biological properties of chitin/chitosan-based nanofibrous scaffolds in bone tissue engineering.
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Affiliation(s)
- Fenghua Tao
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China; Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, China.
| | - Xiaowen Shi
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Huifeng Zheng
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China.
| | - Yumin Du
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Wei Xiang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430060, China; Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
| | - Hongbing Deng
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan, 430079, China.
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Jangid NK, Hada D, Rathore K. Chitosan as an emerging object for biological and biomedical applications. JOURNAL OF POLYMER ENGINEERING 2019. [DOI: 10.1515/polyeng-2019-0041] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Abstract
Natural polymers are being investigated with renewed exuberance as they have a tremendous unexploited potential. During the past few decades, much interest has developed in the biopolymer-based materials due to their biodegradable, nontoxic, biocompatible and non-allergic nature. Chitosan (CS) is the second most abundant naturally occurring amino polysaccharide after cellulose and is extracted from the shells of sea crustaceans. The primary amine group in CS is responsible for its various properties and it is derived from the deacetylated form of chitin. Its biocompatible, nontoxic, biodegradable and antimicrobial properties have led to significant research towards biomedical applications, such as tissue engineering, wound healing, drug delivery, obesity treatment, etc. This review summarizes the present work done by researchers in prospects of CS and its numerous applications in the biomedical field.
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Affiliation(s)
- Nirmala Kumari Jangid
- Department of Chemistry , Banasthali Vidyapith , Banasthali 304022, Rajasthan , India
| | - Deepa Hada
- Department of Botany , Mohanlal Sukhadia University , Udaipur 313001, Rajasthan , India
| | - Kavita Rathore
- Department of Botany , Mohanlal Sukhadia University , Udaipur 313001, Rajasthan , India
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Portela R, Leal CR, Almeida PL, Sobral RG. Bacterial cellulose: a versatile biopolymer for wound dressing applications. Microb Biotechnol 2019; 12:586-610. [PMID: 30838788 PMCID: PMC6559198 DOI: 10.1111/1751-7915.13392] [Citation(s) in RCA: 221] [Impact Index Per Article: 44.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/11/2019] [Accepted: 02/12/2019] [Indexed: 12/11/2022] Open
Abstract
Although several therapeutic approaches are available for wound and burn treatment and much progress has been made in this area, room for improvement still exists, driven by the urgent need of better strategies to accelerate wound healing and recovery, mostly for cases of severe burned patients. Bacterial cellulose (BC) is a biopolymer produced by bacteria with several advantages over vegetal cellulose, such as purity, high porosity, permeability to liquid and gases, elevated water uptake capacity and mechanical robustness. Besides its biocompatibility, BC can be modified in order to acquire antibacterial response and possible local drug delivery features. Due to its intrinsic versatility, BC is the perfect example of a biotechnological response to a clinical problem. In this review, we assess the BC main features and emphasis is given to a specific biomedical application: wound dressings. The production process and the physical-chemical properties that entitle this material to be used as wound dressing namely for burn healing are highlighted. An overview of the most common BC composites and their enhanced properties, in particular physical and biological, is provided, including the different production processes. A particular focus is given to the biochemistry and genetic manipulation of BC. A summary of the current marketed BC-based wound dressing products is presented, and finally, future perspectives for the usage of BC as wound dressing are foreseen.
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Affiliation(s)
- Raquel Portela
- Laboratory of Molecular Microbiology of Bacterial PathogensUCIBIO@REQUIMTEDepartamento de Ciências da VidaFaculdade de Ciências e TecnologiaUniversidade Nova de Lisboa2829‐516CaparicaPortugal
| | - Catarina R. Leal
- Área Departamental de FísicaISEL ‐ Instituto Superior de Engenharia de LisboaInstituto Politécnico de LisboaRua Conselheiro Emídio Navarro 1P‐1959‐007LisboaPortugal
- CENIMAT/I3NDepartamento de Ciência dos MateriaisFaculdade Ciências e TecnologiaUniversidade Nova de Lisboa2829‐516CaparicaPortugal
| | - Pedro L. Almeida
- Área Departamental de FísicaISEL ‐ Instituto Superior de Engenharia de LisboaInstituto Politécnico de LisboaRua Conselheiro Emídio Navarro 1P‐1959‐007LisboaPortugal
- CENIMAT/I3NDepartamento de Ciência dos MateriaisFaculdade Ciências e TecnologiaUniversidade Nova de Lisboa2829‐516CaparicaPortugal
| | - Rita G. Sobral
- Laboratory of Molecular Microbiology of Bacterial PathogensUCIBIO@REQUIMTEDepartamento de Ciências da VidaFaculdade de Ciências e TecnologiaUniversidade Nova de Lisboa2829‐516CaparicaPortugal
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Paul P, Kolesinska B, Sujka W. Chitosan and Its Derivatives - Biomaterials with Diverse Biological Activity for Manifold Applications. Mini Rev Med Chem 2019; 19:737-750. [DOI: 10.2174/1389557519666190112142735] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 10/19/2018] [Accepted: 10/21/2018] [Indexed: 12/24/2022]
Abstract
Derived from chitin, chitosan is a natural polycationic linear polysaccharide being the second
most abundant polymer next to cellulose. The main obstacle in the wide use of chitosan is its almost
complete lack of solubility in water and alkaline solutions. To break this obstacle, the structure of
chitosan is subjected to modification, improving its physic-chemical properties and facilitating application
as components of composites or hydrogels. Derivatives of chitosan are biomaterials useful for different
purposes because of their lack of toxicity, low allergenicity, biocompatibility and biodegradability.
This review presents the methods of chemical modifications of chitosan which allow to obtain tailor-
made properties required for a variety of biomedical applications. Selected pharmaceutical and
biomedical applications of chitosan derivatives are also highlighted. Possibility to manage waste from
arthropod and crab processing is also emphasized.
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Affiliation(s)
- Paulina Paul
- Tricomed SA, ul. Swietojanska 5/9, 93-493 Lodz, Poland
| | - Beata Kolesinska
- Institute of Organic Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
| | - Witold Sujka
- Tricomed SA, ul. Swietojanska 5/9, 93-493 Lodz, Poland
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Cohen E, Merzendorfer H. Chitin/Chitosan: Versatile Ecological, Industrial, and Biomedical Applications. EXTRACELLULAR SUGAR-BASED BIOPOLYMERS MATRICES 2019; 12. [PMCID: PMC7115017 DOI: 10.1007/978-3-030-12919-4_14] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Chitin is a linear polysaccharide of N-acetylglucosamine, which is highly abundant in nature and mainly produced by marine crustaceans. Chitosan is obtained by hydrolytic deacetylation. Both polysaccharides are renewable resources, simply and cost-effectively extracted from waste material of fish industry, mainly crab and shrimp shells. Research over the past five decades has revealed that chitosan, in particular, possesses unique and useful characteristics such as chemical versatility, polyelectrolyte properties, gel- and film-forming ability, high adsorption capacity, antimicrobial and antioxidative properties, low toxicity, and biocompatibility and biodegradability features. A plethora of chemical chitosan derivatives have been synthesized yielding improved materials with suggested or effective applications in water treatment, biosensor engineering, agriculture, food processing and storage, textile additives, cosmetics fabrication, and in veterinary and human medicine. The number of studies in this research field has exploded particularly during the last two decades. Here, we review recent advances in utilizing chitosan and chitosan derivatives in different technical, agricultural, and biomedical fields.
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Affiliation(s)
- Ephraim Cohen
- Department of Entomology, The Robert H. Smith Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Hans Merzendorfer
- School of Science and Technology, Institute of Biology – Molecular Biology, University of Siegen, Siegen, Germany
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Synthesis, Nanomechanical Characterization and Biocompatibility of a Chitosan-Graft-Poly(ε-caprolactone) Copolymer for Soft Tissue Regeneration. MATERIALS 2019; 12:ma12010150. [PMID: 30621234 PMCID: PMC6337280 DOI: 10.3390/ma12010150] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/21/2018] [Accepted: 12/27/2018] [Indexed: 11/17/2022]
Abstract
Tissue regeneration necessitates the development of appropriate scaffolds that facilitate cell growth and tissue development by providing a suitable substrate for cell attachment, proliferation, and differentiation. The optimized scaffolds should be biocompatible, biodegradable, and exhibit proper mechanical behavior. In the present study, the nanomechanical behavior of a chitosan-graft-poly(ε-caprolactone) copolymer, in hydrated and dry state, was investigated and compared to those of the individual homopolymers, chitosan (CS) and poly(ε-caprolactone) (PCL). Hardness and elastic modulus values were calculated, and the time-dependent behavior of the samples was studied. Submersion of PCL and the graft copolymer in α-MEM suggested the deterioration of the measured mechanical properties as a result of the samples’ degradation. However, even after three days of degradation, the graft copolymer presented sufficient mechanical strength and elastic properties, which resemble those reported for soft tissues. The in vitro biological evaluation of the material clearly demonstrated that the CS-g-PCL copolymer supports the growth of Wharton’s jelly mesenchymal stem cells and tissue formation with a simultaneous material degradation. Both the mechanical and biological data render the CS-g-PCL copolymer appropriate as a scaffold in a cell-laden construct for soft tissue engineering.
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Merzendorfer H. Chitosan Derivatives and Grafted Adjuncts with Unique Properties. BIOLOGICALLY-INSPIRED SYSTEMS 2019. [DOI: 10.1007/978-3-030-12919-4_3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Effects of incorporation of granule-lyophilised platelet-rich fibrin into polyvinyl alcohol hydrogel on wound healing. Sci Rep 2018; 8:14042. [PMID: 30232343 PMCID: PMC6145885 DOI: 10.1038/s41598-018-32208-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 09/04/2018] [Indexed: 01/26/2023] Open
Abstract
Dressings are commonly used to treat skin wounds. In this study, we aimed to develop a new scaffold composed of a polyvinyl alcohol (PVA) hydrogel containing granule-lyophilised platelet-rich fibrin (G-L-PRF) as a dressing. G-L-PRF was prepared by freeze-drying and was then incorporated into PVA hydrogel by freezing-thawing. Notably, the mechanical strength and degradation rate of the scaffold were found to be related to G-L-PRF concentrations, reaching 6.451 × 10−2 MPa and 17–22%, respectively, at a concentration of 1%. However, the strength decreased and the degradation was accelerated when the G-L-PRF concentration was over 1%. The elastic properties and biocompatibility of the scaffold were independent of G-L-PRF concentration, and both showed excellent elasticity and biocompatibility. The release of vascular endothelial growth factor and platelet-derived growth factor-AB was no significant time dependent. Additionally, application of 1% G-L-PRF/PVA to acute full-thickness dorsal skin wounds accelerated wound closure at days 7 and 9. Healing also increased on day 11. Histological and immunohistochemical analyses showed that the scaffold enhanced granulation tissue, maturity, collagen deposition, and new vessel formation. These results demonstrated that the prepared G-L-PRF/PVA scaffolds accelerated wound healing in acute full-thickness skin wounds, suggesting potential applications as an ideal wound dressing.
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Piasecka-Zelga J, Zelga P, Szulc J, Wietecha J, Ciechańska D. An in vivo biocompatibility study of surgical meshes made from bacterial cellulose modified with chitosan. Int J Biol Macromol 2018; 116:1119-1127. [PMID: 29782983 DOI: 10.1016/j.ijbiomac.2018.05.123] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 05/12/2018] [Accepted: 05/17/2018] [Indexed: 12/31/2022]
Abstract
Bacterial cellulose modified with chitosan (MBC) is an innovative biomaterial used in regenerative medicine which may potentially improve treatment outcomes mesh for hernia repair surgery by facilitating better absorption in native tissue with less risk of mesh-related infections. The aim of the present study was to evaluate the biocompatibility of mesh based on MBC, and determine whether immunological reactions occur due to hypersensitivity to the implants. Forty five Imp:WIST rats were randomly assigned to be implanted with one of three mesh types: simple polypropylene mesh (n = 15), mesh modified by bacterial cellulose only (n = 15) and MBC mesh (n = 15) and evaluated after one and three months following intramuscular implantation. For MBC mesh, basic toxicological studies, i.e. Acute Dermal Irritation, Intradermal Reactivity and Acute Sensitization (GPMT), were also carried out on 9 Imp:BN albino rabbits and 15 Imp:D-H guinea pigs. The lowest immune response and the highest degree of fibroplasia were observed for MBC mesh both after one and three months after implantation. Toxicological studies classified the tested MBC mesh as a barely perceptible irritant with no signs of sensitization or allergic reactions observed during the studies. The findings indicate that MBC mesh does not irritate, does not sensitize and does not cause hypersensitivity in the implant site, and therefore presents a low risk of provoking such reactions in humans.
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Affiliation(s)
- Joanna Piasecka-Zelga
- Nofer Institute of Occupational Medicine, Research Laboratory for Medicine and Veterinary Products in the GMP Quality System, Św. Teresy od Dzieciątka Jezus 8, 91-348 Lodz, Poland
| | - Piotr Zelga
- Department of General and Colorectal Surgery, Medical University of Lodz, Pl. Hallera 1, 91-647 Lodz, Poland.
| | - Joanna Szulc
- Nofer Institute of Occupational Medicine, Research Laboratory for Medicine and Veterinary Products in the GMP Quality System, Św. Teresy od Dzieciątka Jezus 8, 91-348 Lodz, Poland
| | - Justyna Wietecha
- Institute of Biopolymers and Chemical Fibres, Marii Skłodowskiej-Curie 19/27, 90-570 Łódź, Poland
| | - Danuta Ciechańska
- Institute of Biopolymers and Chemical Fibres, Marii Skłodowskiej-Curie 19/27, 90-570 Łódź, Poland
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Hattori H, Ishihara M. Development of Mucoadhesive Chitosan Derivatives for Use as Submucosal Injections. Polymers (Basel) 2018; 10:polym10040410. [PMID: 30966445 PMCID: PMC6415235 DOI: 10.3390/polym10040410] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/03/2018] [Accepted: 04/04/2018] [Indexed: 02/07/2023] Open
Abstract
Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) have been used for surgical treatment of early gastric cancer. These endoscopic techniques require proper submucosal injections beneath the tumor to provide a sufficiently high submucosal fluid cushion (SFC) to facilitate clean dissection and resection of the tumor. Until now, the submucosal injection materials developed for endoscopic techniques such as EMR and ESD of tumors have been composed of macromolecules, proteins, or polysaccharides. We have been investigating the use of chitosan, a product that is obtained by the alkaline deacetylation of chitin, the second-most abundant natural polysaccharide. Specifically, we have been studying a photocrosslinked chitosan hydrogel (PCH) and solubilized chitosan derivatives for use as novel submucosal injections for endoscopic techniques. Notably, chitosan derivatives with lactose moieties linked to the amino groups of its glucosamine units can specifically interact with acidic mucopolysaccharides and mucins in submucosa without the need for the incorporation of harmful photoreactive groups nor potentially mutagenic ultraviolet irradiation.
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Affiliation(s)
- Hidemi Hattori
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan.
| | - Masayuki Ishihara
- Division of Biomedical Engineering, Research Institute, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan.
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Singh R, Shitiz K, Singh A. Chitin and chitosan: biopolymers for wound management. Int Wound J 2017; 14:1276-1289. [PMID: 28799228 DOI: 10.1111/iwj.12797] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 07/02/2017] [Indexed: 12/11/2022] Open
Abstract
Chitin and chitosan are biopolymers with excellent bioactive properties, such as biodegradability, non-toxicity, biocompatibility, haemostatic activity and antimicrobial activity. A wide variety of biomedical applications for chitin and chitin derivatives have been reported, including wound-healing applications. They are reported to promote rapid dermal regeneration and accelerate wound healing. A number of dressing materials based on chitin and chitosan have been developed for the treatment of wounds. Chitin and chitosan with beneficial intrinsic properties and high potential for wound healing are attractive biopolymers for wound management. This review presents an overview of properties, biomedical applications and the role of these biopolymers in wound care.
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Affiliation(s)
- Rita Singh
- Defence Laboratory, Defence Research and Development Organization, Jodhpur, India
| | - Kirti Shitiz
- Defence Laboratory, Defence Research and Development Organization, Jodhpur, India
| | - Antaryami Singh
- Defence Laboratory, Defence Research and Development Organization, Jodhpur, India
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Lai WF, Rogach AL. Hydrogel-Based Materials for Delivery of Herbal Medicines. ACS APPLIED MATERIALS & INTERFACES 2017; 9:11309-11320. [PMID: 28244320 DOI: 10.1021/acsami.6b16120] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Herbal medicine, as an integral component of oriental medicine, has assimilated into the lives of Asian people for millennia. The therapeutic efficiency of herbal extracts and ingredients has, however, been limited by various factors, including the lack of targeting capacity and poor bioavailability. Hydrogels are hydrophilic polymer networks that can imbibe a substantial amount of fluids. They are biocompatible, and may enable sustained drug release. Hydrogels, therefore, have attracted widespread studies in pharmaceutical formulation. This article first reviews the latest progress in the development of hydrogel-based materials as carriers of herbal medicines, followed by a discussion of the relationships between hydrogel properties and carrier performance. Finally, the promising potential of using hydrogels to combine medicinal herbs with synthetic drugs in one single treatment will be highlighted as an avenue for future research.
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Affiliation(s)
- Wing-Fu Lai
- Department of Pharmacy, Health Science Center, Shenzhen University , Shenzhen 518060, China
- Department of Applied Biology & Chemical Technology, The Hong Kong Polytechnic University , Hong Kong
| | - Andrey L Rogach
- Department of Physics and Materials Science and Centre for Functional Photonics, City University of Hong Kong , Hong Kong
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Industrial Applications of Fungal Chitinases: An Update. Ind Biotechnol (New Rochelle N Y) 2016. [DOI: 10.1201/b19347-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Dibutyrylchitin nanoparticles as novel drug carrier. Int J Biol Macromol 2015; 82:1011-7. [PMID: 26592700 DOI: 10.1016/j.ijbiomac.2015.11.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 10/27/2015] [Accepted: 11/12/2015] [Indexed: 12/31/2022]
Abstract
Chitin is a ubiquitous renewable biopolymer that is significantly distributed in the natural world. Biopolymeric nanoparticles (Nps) have been developed for various biomedical applications by researchers. Here, chitin derivative, dibutyrylchitin Nps (DBC) was synthesized as a nanocarrier for drug delivery using butyric anhydride and perchloric acid as a catalyst under heterogeneous conditions. The structural characterization was analyzed by FT-IR and FE SEM study showed spherical particles in a size range of 80-90 nm. The physiochemical evaluation involves swelling behavior and in vitro biodegradation studies. The results of in vitro hemolytic assay validate the blood compatibility of the prepared system. Drug release profiles indicate that 5-flourouracil (Fu) loaded dibutyrylchitin Nps (DBC-Fu) gives the enhanced drug release in acidic pH when compared to neutral pH. The encapsulation efficiency of DBC-Fu was found to be 90%. The confocal analysis also confirmed the uptake of both DBC and DBC-Fu Nps by A549 cell lines. Hence, this study shows that the DBC have the potential to be used as a drug carrier and also for other biomedical applications.
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Sivashanmugam A, Arun Kumar R, Vishnu Priya M, Nair SV, Jayakumar R. An overview of injectable polymeric hydrogels for tissue engineering. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.05.014] [Citation(s) in RCA: 158] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Cheung RCF, Ng TB, Wong JH, Chan WY. Chitosan: An Update on Potential Biomedical and Pharmaceutical Applications. Mar Drugs 2015; 13:5156-86. [PMID: 26287217 PMCID: PMC4557018 DOI: 10.3390/md13085156] [Citation(s) in RCA: 625] [Impact Index Per Article: 69.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 07/28/2015] [Accepted: 08/06/2015] [Indexed: 01/20/2023] Open
Abstract
Chitosan is a natural polycationic linear polysaccharide derived from chitin. The low solubility of chitosan in neutral and alkaline solution limits its application. Nevertheless, chemical modification into composites or hydrogels brings to it new functional properties for different applications. Chitosans are recognized as versatile biomaterials because of their non-toxicity, low allergenicity, biocompatibility and biodegradability. This review presents the recent research, trends and prospects in chitosan. Some special pharmaceutical and biomedical applications are also highlighted.
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Affiliation(s)
- Randy Chi Fai Cheung
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.
| | - Tzi Bun Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jack Ho Wong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.
| | - Wai Yee Chan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.
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Wang H, Song F, Chen Q, Hu R, Jiang Z, Yang Y, Han B. Antitumor and antimetastasis effects of macerating solutions from an injectable chitosan-based hydrogel on hepatocarcinoma. J Biomed Mater Res A 2015; 103:3879-85. [PMID: 26123792 DOI: 10.1002/jbm.a.35533] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 06/10/2015] [Accepted: 06/23/2015] [Indexed: 11/06/2022]
Abstract
In our previous studies, injectable chitosan-based hydrogel (CH) was prepared and its application in surgery removal of tumor was studied. In this study, the antitumor and antimetastasis effects of the macerating solutions from CH were investigated. Our in vitro results showed that macerating solutions from CH significantly increased the proliferation of human normal liver L02 cells. In contrast, macerating solutions from CH showed significant inhibitory effects on the growth of human hepatoma Bel-7402 cells. In a mouse H22 tumor model, intraperitoneal injection of macerating solutions from CH decreased tumor growth and prevented tumor diffusion. Tumor weight was decreased dramatically in mice treated with macerating solutions from CH. The thymus index and spleen index were significantly increased by treatment with macerating solutions from CH. Administration of macerating solutions from CH also remarkably increased serum levels of TNF-α, IL-2, IFN-γ, and decreased serum VEGF content as compared with the control group treated with saline. The antimetastasis studies showed that the number of pulmonary nodules, pulmonary metastases index, and lymph nodes index were significantly decreased in experimental groups treated with macerating solutions from CH. This study provided more supporting data for the potential clinical application of CH after surgical removal of tumor.
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Affiliation(s)
- Hui Wang
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
| | - Fulai Song
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
| | - Quan Chen
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
| | - Rui Hu
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
| | - Zhiwen Jiang
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
| | - Yan Yang
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
| | - Baoqin Han
- College of Marine Life Sciences, Ocean University of China, Yushan Road 5, Qingdao, 266003, People's Republic of China
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Adsorption of Silver Nanoparticles onto Different Surface Structures of Chitin/Chitosan and Correlations with Antimicrobial Activities. Int J Mol Sci 2015; 16:13973-88. [PMID: 26096004 PMCID: PMC4490534 DOI: 10.3390/ijms160613973] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 06/12/2015] [Accepted: 06/12/2015] [Indexed: 11/23/2022] Open
Abstract
Size-controlled spherical silver nanoparticles (Ag NPs) can be simply prepared by autoclaving mixtures of glass powder containing silver with glucose. Moreover, chitins with varying degrees of deacetylation (DDAc < 30%) and chitosan powders and sheets (DDAc > 75%) with varying surface structure properties have been evaluated as Ag NP carriers. Chitin/chitosan-Ag NP composites in powder or sheet form were prepared by mixing Ag NP suspensions with each of the chitin/chitosan-based material at pH 7.3, leading to homogenous dispersion and stable adsorption of Ag NPs onto chitin carriers with nanoscale fiber-like surface structures, and chitosan carriers with nanoscale porous surface structures. Although these chitins exhibited mild antiviral, bactericidal, and antifungal activities, chitin powders with flat/smooth film-like surface structures had limited antimicrobial activities and Ag NP adsorption. The antimicrobial activities of chitin/chitosan-Ag NP composites increased with increasing amounts of adsorbed Ag NPs, suggesting that the surface structures of chitin/chitosan carriers strongly influence adsorption of Ag NPs and antimicrobial activities. These observations indicate that chitin/chitosan-Ag NPs with nanoscale surface structures have potential as antimicrobial biomaterials and anti-infectious wound dressings.
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Muñoz G, Valencia C, Valderruten N, Ruiz-Durántez E, Zuluaga F. Extraction of chitosan from Aspergillus niger mycelium and synthesis of hydrogels for controlled release of betahistine. REACT FUNCT POLYM 2015. [DOI: 10.1016/j.reactfunctpolym.2015.03.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Application of hydrogels as submucosal fluid cushions for endoscopic mucosal resection and submucosal dissection. J Artif Organs 2015; 18:191-8. [DOI: 10.1007/s10047-015-0843-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Accepted: 05/05/2015] [Indexed: 02/06/2023]
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Goertz O, Lauer H, Hirsch T, Daigeler A, Harati K, Stricker I, Lehnhardt M, von der Lohe L. Evaluation of angiogenesis, epithelialisation and microcirculation after application of polyhexanide, chitosan and sodium chloride in rodents. Int Wound J 2015; 13:1161-1167. [PMID: 25756458 DOI: 10.1111/iwj.12434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Revised: 01/23/2015] [Accepted: 02/02/2015] [Indexed: 11/30/2022] Open
Abstract
The purpose of this study was to investigate the effect of polyhexanide and a new developed chitin-based wound dressing on skin microcirculation, epithelialisation and angiogenesis. A full-thickness dermal layer extending to the underlying cartilage was excised on the dorsal side of hairless mice (n = 27; 2·3 ± 0·3 mm2 ). A polyhexanide ointment, a chitosan solution and a sodium chloride group as control were analysed using intravital fluorescence microscopy. Angiogenesis, epithelialisation and microcirculatory standard parameters were measured over a time period of 20 days. The non-perfused area is regarded as a parameter for angiogenesis and showed the following results: on days 12, 16 and 20, the sodium chloride group was significantly superior to chitosan solution (P < 0·05) and, on days 8, 12, 16 and 20, the polyhexanide group was superior to chitosan solution (P < 0·05). The epithelialisation was measured significantly faster in the polyhexanide and control group on day 8 versus chitosan solution. Whereas polyhexanide and sodium chloride were nearly completely epithelialised, treatment with chitosan solution showed still an open wound of 11% of the initial wound size. Altogether, we could demonstrate the advantageous effects of a polyhexanide ointment on microcirculation, angiogenesis and epithelialisation. Chitosan solution appears to inhibit angiogenesis and delays epithelialisation. Further studies in different models would be worthwhile to confirm these results.
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Affiliation(s)
- Ole Goertz
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Henrik Lauer
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Tobias Hirsch
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Adrien Daigeler
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Kamran Harati
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Ingo Stricker
- Institute of Pathology, Ruhr-University Bochum, Bochum, Germany
| | - Marcus Lehnhardt
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Leon von der Lohe
- Department of Plastic and Hand Surgery, Burn Center, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
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La WG, Yang HS. Heparin-Conjugated Poly(Lactic-Co-Glycolic Acid) Nanospheres Enhance Large-Wound Healing by Delivering Growth Factors in Platelet-Rich Plasma. Artif Organs 2014; 39:388-94. [DOI: 10.1111/aor.12389] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Wan-Geun La
- Department of Nanobiomedical Science; BK21 PLUS NBM Global Research Center for Regenerative Medicine; Dankook University; Cheonan Korea
| | - Hee Seok Yang
- Department of Nanobiomedical Science; BK21 PLUS NBM Global Research Center for Regenerative Medicine; Dankook University; Cheonan Korea
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42
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Poranki D, Whitener W, Howse S, Mesen T, Howse E, Burnell J, Greengauz-Roberts O, Molnar J, Van Dyke M. Evaluation of skin regeneration after burns in vivo and rescue of cells after thermal stress in vitro following treatment with a keratin biomaterial. J Biomater Appl 2013; 29:26-35. [DOI: 10.1177/0885328213513310] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Thermal burns typically display an injury pattern dictated by the transfer of the thermal energy into the skin and underlying tissues and creation of three zones of injury represented by a necrotic zone of disrupted cells and tissue, an intermediate zone of injured and dying cells, and a distant zone of stressed cells that will recover with proper treatment. The wound healing capabilities of a keratin biomaterial hydrogel were studied in two pilot studies, one using a chemical burn model in mice and the other a thermal burn model in swine. In both studies, keratin was shown to prevent enlargement of the initial wound area and promote faster wound closure. Interestingly, treating thermally stressed dermal fibroblast in culture demonstrated that soluble keratin was able to maintain cell viability and promote proliferation. Separation of so-called alpha and gamma fractions of the keratin biomaterial had differential effects, with the gamma fraction producing more pronounced cell survival and recovery. These results suggest that the gamma fraction, composed essentially of degraded alpha keratin proteins, may facilitate cell rescue after thermal injury. Treatment of burns with gamma keratin may therefore represent a potential therapy for wounds with an intermediate zone of damaged tissue that has the potential to contribute to spontaneous healing.
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Affiliation(s)
- D Poranki
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - W Whitener
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - S Howse
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - T Mesen
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - E Howse
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - J Burnell
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - O Greengauz-Roberts
- Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, Winston Salem, NC, USA
| | - J Molnar
- Department of Plastic and Reconstructive Surgery, Wake Forest School of Medicine, Medical Center Boulevard, Winston Salem, NC, USA
| | - M Van Dyke
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Medical Center Boulevard, Winston Salem, NC, USA
- Virginia Tech – Wake Forest University School of Biomedical Engineering and Sciences, Blacksburg, VA, USA
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ZHANG LILI, YU SU, DUAN ZHIJUN, WANG QIUMING, TIAN GE, TIAN YAN, ZHAO WEI, WANG HUI, ZHANG CUILING, GUO SHIBIN, LIU QIGUI, HE GAOHONG, BIAN TENGFEI, CHANG JIUYANG, JIN XUE, CUI DONGSHENG. Treatment of liver cancer in mice by the intratumoral injection of an octreotide-based temperature-sensitive gel. Int J Mol Med 2013; 33:117-27. [DOI: 10.3892/ijmm.2013.1542] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 08/21/2013] [Indexed: 11/06/2022] Open
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Skorb EV, Möhwald H. 25th anniversary article: Dynamic interfaces for responsive encapsulation systems. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:5029-5043. [PMID: 24000161 DOI: 10.1002/adma.201302142] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Indexed: 06/02/2023]
Abstract
Encapsulation systems are urgently needed both as micrometer and sub-micrometer capsules for active chemicals' delivery, to encapsulate biological objects and capsules immobilized on surfaces for a wide variety of advanced applications. Methods for encapsulation, prolonged storage and controllable release are discussed in this review. Formation of stimuli responsive systems via layer-by-layer (LbL) assembly, as well as via mobile chemical bonding (hydrogen bonds, chemisorptions) and formation of special dynamic stoppers are presented. The most essential advances of the systems presented are multifunctionality and responsiveness to a multitude of stimuli - the possibility of formation of multi-modal systems. Specific examples of advanced applications - drug delivery, diagnostics, tissue engineering, lab-on-chip and organ-on-chip, bio-sensors, membranes, templates for synthesis, optical systems, and antifouling, self-healing materials and coatings - are provided. Finally, we try to outline emerging developments.
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Affiliation(s)
- Ekaterina V Skorb
- Max Planck Institute of Colloids and Interfaces, Wissenschaftspark Golm, Am Mühlenberg 1, Golm, 14424, Germany; Chemistry Department Belarusian State University, Leningradskaya str. 14, Minsk, 220030, Belarus
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Kitosan sebagai Bahan Dasar Drug Delivery: Studi Interaksi Segmen Dimer Kitosan dengan Vitamin C secara Komputasi Ab Initio dan Eksperimen. JURNAL KIMIA SAINS DAN APLIKASI 2013. [DOI: 10.14710/jksa.16.2.63-68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Studi interaksi antarmolekul antara kitosan dan vitamin C secara komputasi ab initio dan eksperimen untuk memahami penggunaan kitosan sebagai bahan dasar drug delivery telah dilakukan. Parameter yang dianalisis adalah energi interaksi dan spektra IR. Perhitungan dilakukan terhadap dua konformasi interaksi yaitu antara sisi atom N segmen dimer kitosan bermuatan parsial negatip masing-masing dengan sisi atom H pada cincin vitamin C yang bermuatan parsial positip (konformasi I) dan sisi atom H di luar cincin (konformasi II). Energi dan jarak interaksi konfigurasi I masing-masing sebesar -62,263 kJ mol-1 dan 1,897 Å, sedangkan konfigurasi II sebesar -32,641 kJ mol-1 dan 2,226 Å. Spektra IR menunjukkan mode-mode vibrasi pada kedua senyawa yang berinteraksi. Kesimpulan hasil pemodelan adalah bahwa kitosan dapat mengikat vitamin C dengan energi yang berbeda. Hasil pemodelan diverifikasi dengan absorpsi vitamin C oleh kitosan melalui pencampurkan 2,5 g kitosan dan 0,25 % larutan vitamin C. Pengukuran vitamin C yang tersisa dan uji lepas lambat vitamin C yang terserap dalam kitosan dalam media air dilakukan dengan spektrofotometer UV-Vis. Hasil eksperimen menunjukkan bahwa kitosan dapat menyerap vitamin C sebesar 46,5 % serta pada 10 menit pertama konsentrasi vitamin C yang dilepas sebesar 95,15 ppm.
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Abstract
INTRODUCTION Therapeutic angiogenesis is a strategy of inducing new collateral vessels and stimulating new capillaries that enhance tissue oxygen exchange in ischemic cardiovascular disorders, including acute myocardial infarction, chronic cardiac ischemia, peripheral artery disease and stroke. AREAS COVERED Over the last 10 years, promising results of early clinical trials have generated great expectation on the potential of therapeutic angiogenesis. However, even if large randomized placebo-controlled and double-blinded Phase II clinical trials have confirmed the feasibility, safety and potential effectiveness of therapeutic angiogenesis, they provided very limited evidence of its efficacy in terms of clinical benefit. EXPERT OPINION Results of the latest trials on therapeutic angiogenesis have not provided satisfactory results. Much is still unknown about the optimal delivery of angiogenic factors. Trials using alternative growth factors, dose regimens and methods of delivery are needed to enhance the treatment benefit of therapeutic angiogenesis.
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Affiliation(s)
- Domenico Ribatti
- University of Bari Medical School, National Cancer Institute, Giovanni Paolo II, Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Piazza G. Cesare, 11, Policlinico, 70124 Bari, Italy.
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Fertier L, Koleilat H, Stemmelen M, Giani O, Joly-Duhamel C, Lapinte V, Robin JJ. The use of renewable feedstock in UV-curable materials – A new age for polymers and green chemistry. Prog Polym Sci 2013. [DOI: 10.1016/j.progpolymsci.2012.12.002] [Citation(s) in RCA: 181] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Shahbazi MA, Hamidi M, Mohammadi-Samani S. Preparation, optimization, and in-vitro/in-vivo/ex-vivo characterization of chitosan-heparin nanoparticles: drug-induced gelation. J Pharm Pharmacol 2013; 65:1118-33. [DOI: 10.1111/jphp.12076] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Accepted: 04/07/2013] [Indexed: 12/20/2022]
Abstract
Abstract
Objectives
Management of blood coagulation-related diseases is currently limited by the inability to provide an adequate drug concentration in blood circulation for a long term. As a promising way to overcome this problem, the long-acting forms of these drugs have attracted many interests in recent years.
Methods
In this study, chitosan-heparin nanoparticles were prepared as a polymeric delivery system intended for the prolonged intravenous delivery of heparin where the drug was used as both the therapeutic agent and a gel-forming counter-ion. The nanoparticle preparation method was optimized using a Taguchi orthogonal array. Critical formulation variables were optimized in this study in terms of their corresponding effects on the target response of particle size. Nanoparticles were characterized by the Fourier transform infrared spectroscopy, transmission electron microscopy and zeta potential.
Key findings
The size, polydispersity index, zeta potential and encapsulation efficiency for the optimized formulation were found to be 61.33 ± 1.53 nm, 0.06, +15.7 mv and 74.16 ± 1.27%, respectively. The sizes of the prepared drug-loaded nanoparticles were stable at least 1 week at room temperature and 3 months in refrigerator.
Conclusions
The ex-vivo and in-vivo tests on the heparin-chitosan nanoparticles using activated partial thromboplastin time (aPTT) as the biological index were indicative of a smoother and longer elevation in aPTT in the presence of nanoparticulate drug.
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Affiliation(s)
- Mohammad-Ali Shahbazi
- Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Division of Pharmaceutical Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Mehrdad Hamidi
- Department of Pharmaceutics, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Soliman Mohammadi-Samani
- Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
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Formiga FR, Tamayo E, Simón-Yarza T, Pelacho B, Prósper F, Blanco-Prieto MJ. Angiogenic therapy for cardiac repair based on protein delivery systems. Heart Fail Rev 2013; 17:449-73. [PMID: 21979836 DOI: 10.1007/s10741-011-9285-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cardiovascular diseases remain the first cause of morbidity and mortality in the developed countries and are a major problem not only in the western nations but also in developing countries. Current standard approaches for treating patients with ischemic heart disease include angioplasty or bypass surgery. However, a large number of patients cannot be treated using these procedures. Novel curative approaches under investigation include gene, cell, and protein therapy. This review focuses on potential growth factors for cardiac repair. The role of these growth factors in the angiogenic process and the therapeutic implications are reviewed. Issues including aspects of growth factor delivery are presented in relation to protein stability, dosage, routes, and safety matters. Finally, different approaches for controlled growth factor delivery are discussed as novel protein delivery platforms for cardiac regeneration.
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Affiliation(s)
- F R Formiga
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, University of Navarra, Pamplona, Spain
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Pok S, Myers JD, Madihally SV, Jacot JG. A multilayered scaffold of a chitosan and gelatin hydrogel supported by a PCL core for cardiac tissue engineering. Acta Biomater 2013; 9:5630-42. [PMID: 23128158 DOI: 10.1016/j.actbio.2012.10.032] [Citation(s) in RCA: 131] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 10/22/2012] [Accepted: 10/26/2012] [Indexed: 10/27/2022]
Abstract
A three-dimensional scaffold composed of self-assembled polycaprolactone (PCL) sandwiched in a gelatin-chitosan hydrogel was developed for use as a biodegradable patch with a potential for surgical reconstruction of congenital heart defects. The PCL core provides surgical handling, suturability and high initial tensile strength, while the gelatin-chitosan scaffold allows for cell attachment, with pore size and mechanical properties conducive to cardiomyocyte migration and function. The ultimate tensile stress of the PCL core, made from blends of 10, 46 and 80kDa (Mn) PCL, was controllable in the range of 2-4MPa, with lower average molecular weight PCL blends correlating with lower tensile stress. Blends with lower molecular weight PCL also had faster degradation (controllable from 0% to 7% weight loss in saline over 30 days) and larger pores. PCL scaffolds supporting a gelatin-chitosan emulsion gel showed no significant alteration in tensile stress, strain or tensile modulus. However, the compressive modulus of the composite tissue was similar to that of native tissue (∼15kPa for 50% gelatin and 50% chitosan). Electron microscopy revealed that the gelatin-chitosan gel had a three-dimensional porous structure, with a mean pore diameter of ∼80μm, showed migration of neonatal rat ventricular myocytes (NRVM), maintained NRVM viability for over 7 days, and resulted in spontaneously beating scaffolds. This multi-layered scaffold has sufficient tensile strength and surgical handling for use as a cardiac patch, while allowing migration or pre-loading of cardiac cells in a biomimetic environment to allow for eventual degradation of the patch and incorporation into native tissue.
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