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Frigaard J, Jensen JL, Galtung HK, Hiorth M. The Potential of Chitosan in Nanomedicine: An Overview of the Cytotoxicity of Chitosan Based Nanoparticles. Front Pharmacol 2022; 13:880377. [PMID: 35600854 PMCID: PMC9115560 DOI: 10.3389/fphar.2022.880377] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/08/2022] [Indexed: 12/12/2022] Open
Abstract
The unique properties and applications of nanotechnology in targeting drug delivery, cosmetics, fabrics, water treatment and food packaging have received increased focus the last two decades. The application of nanoparticles in medicine is rapidly evolving, requiring careful investigation of toxicity before clinical use. Chitosan, a derivative of the natural polysaccharide chitin, has become increasingly relevant in modern medicine because of its unique properties as a nanoparticle. Chitosan is already widely used as a food additive and in food packaging, bandages and wound dressings. Thus, with an increasing application worldwide, cytotoxicity assessment of nanoparticles prepared from chitosan is of great interest. The purpose of this review is to provide an updated status of cytotoxicity studies scrutinizing the safety of chitosan nanoparticles used in biomedical research. A search in Ovid Medline from 23 March 1998 to 4 January 2022, with the combination of the search words Chitosan or chitosan, nanoparticle or nano particle or nanosphere or nanocapsule or nano capsule, toxicology or toxic or cytotoxic and mucosa or mucous membrane resulted in a total of 88 articles. After reviewing all the articles, those involving non-organic nanoparticles and cytotoxicity assays conducted exclusively on nanoparticles with anti-tumor effect (i.e., having cytotoxic effect) were excluded, resulting in 70 articles. Overall, the chitosan nanoparticles included in this review seem to express low cytotoxicity regardless of particle composition or cytotoxicity assay and cell line used for testing. Nonetheless, all new chitosan derivatives and compositions are recommended to undergo careful characterization and cytotoxicity assessment before being implemented on the market.
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Affiliation(s)
- Julie Frigaard
- Department of Oral Surgery and Oral Medicine, Institute of Clinical Odontology, University of Oslo, Oslo, Norway
- *Correspondence: Julie Frigaard,
| | - Janicke Liaaen Jensen
- Department of Oral Surgery and Oral Medicine, Institute of Clinical Odontology, University of Oslo, Oslo, Norway
| | | | - Marianne Hiorth
- Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, The Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
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2
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Synthesis, characterization and evaluation of oleoyl-chitosan derivatives as enhancers for ferrous ions nano-delivery using Caco-2 cell model. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101761] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Ahmed F, Soliman FM, Adly MA, Soliman HAM, El-Matbouli M, Saleh M. Recent progress in biomedical applications of chitosan and its nanocomposites in aquaculture: A review. Res Vet Sci 2019; 126:68-82. [PMID: 31442715 DOI: 10.1016/j.rvsc.2019.08.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 07/03/2019] [Accepted: 08/04/2019] [Indexed: 01/06/2023]
Abstract
Chitosan nanoparticles (CSNPs) are the nanostructures of chitosan biopolymer which is derived from chitin polysaccharide, the main component of crustacean shells. Chitosan is a biocompatible, nontoxic and biodegradable polymer soluble in acidic solutions and easily excreted from kidneys. It is widely used in medical and pharmaceutical applications including artificial matrices for tissue engineering, drug transport, targeted drug delivery and protein or gene delivery. The antimicrobial activities of chitosan and CSNPS against different bacterial, fungal and viral pathogens made them valuable for several biological applications including food preservation purposes. In addition, they have immunomodulatory effects on fish and crustaceans providing direct positive impact on aquaculture and fish farming industry. Sustained release of some bioactive ingredients such as hormones, vitamins, nutrients and antioxidants has improved the biological activities of fish. Furthermore, CSNPs have recently been employed to diagnose fish diseases. In this review, we present the medical and biological applications of chitosan and CSNPs on aquatics to provide an update on recent advances and the potential for further advanced applications for aquaculture in the future.
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Affiliation(s)
- Fatma Ahmed
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria; Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Faiza M Soliman
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mohamed A Adly
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Hamdy A M Soliman
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mansour El-Matbouli
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
| | - Mona Saleh
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria.
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Multifunctional quercetin conjugated chitosan nano-micelles with P-gp inhibition and permeation enhancement of anticancer drug. Carbohydr Polym 2019; 203:10-18. [DOI: 10.1016/j.carbpol.2018.09.020] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 08/08/2018] [Accepted: 09/12/2018] [Indexed: 02/07/2023]
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Hu F, Zhou Z, Xu Q, Fan C, Wang L, Ren H, Xu S, Ji Q, Chen X. A novel pH-responsive quaternary ammonium chitosan-liposome nanoparticles for periodontal treatment. Int J Biol Macromol 2018; 129:1113-1119. [PMID: 30218737 DOI: 10.1016/j.ijbiomac.2018.09.057] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 09/05/2018] [Accepted: 09/11/2018] [Indexed: 02/07/2023]
Abstract
The aim of this study was to evaluate the antibacterial activity and cytocompatibility of novel pH-activated nanoparticles (NPs) in vitro and in vivo. The NPs were synthesized from a quaternary ammonium chitosan, i.e., N,N,N-trimethyl chitosan, a liposome, and doxycycline (TMC-Lip-DOX NPs). The cytocompatibility of the NPs was evaluated. The TMC-Lip-DOX NPs achieved superb inhibition of free mixed bacteria and biofilm formation. They also showed excellent biocompatibility with human periodontal ligament fibroblasts. Animal experiments showed that the NPs strongly inhibited biofilm formation and prevented alveolar bone absorption in vivo. All the results indicate that the TMC-Lip-DOX NPs have good potential for use in the treatment of periodontal and other inflammatory diseases.
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Affiliation(s)
- Fang Hu
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Zhongzheng Zhou
- College of Marine Life Science, Ocean University of China, 5 Yushan Road, 266003 Qingdao, China
| | - Quanchen Xu
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Chun Fan
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Lei Wang
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Hao Ren
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Shuo Xu
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Qiuxia Ji
- Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.
| | - Xiguang Chen
- College of Marine Life Science, Ocean University of China, 5 Yushan Road, 266003 Qingdao, China; Qingdao National Laboratory for Marine Science and Technology, China.
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Lima MR, Paula HC, Abreu FO, da Silva RB, Sombra FM, de Paula RC. Hydrophobization of cashew gum by acetylation mechanism and amphotericin B encapsulation. Int J Biol Macromol 2018; 108:523-530. [DOI: 10.1016/j.ijbiomac.2017.12.047] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 11/16/2017] [Accepted: 12/06/2017] [Indexed: 01/04/2023]
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Amphiphilic polysaccharides as building blocks for self-assembled nanosystems: molecular design and application in cancer and inflammatory diseases. J Control Release 2018; 272:114-144. [DOI: 10.1016/j.jconrel.2017.12.033] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 12/27/2017] [Accepted: 12/29/2017] [Indexed: 01/09/2023]
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Zhou Z, Hu F, Hu S, Kong M, Feng C, Liu Y, Cheng X, Ji Q, Chen X. pH-Activated nanoparticles with targeting for the treatment of oral plaque biofilm. J Mater Chem B 2018; 6:586-592. [PMID: 32254487 DOI: 10.1039/c7tb02682j] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Oral plaque biofilms are highly resilient microbial assemblies that are challenging to eradicate. We described the pH-positive, doxycycline (DOX)-loaded nanocarriers to combat multidrug-resistant pathogenic biofilms.
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Affiliation(s)
- Zhongzheng Zhou
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
| | - Fang Hu
- Department of Periodontology
- The Affiliated Hospital of Qingdao University
- Qingdao
- China
| | - Shihao Hu
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
| | - Ming Kong
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
| | - Chao Feng
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
| | - Ya Liu
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
| | - Xiaojie Cheng
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
| | - Qiuxia Ji
- Department of Periodontology
- The Affiliated Hospital of Qingdao University
- Qingdao
- China
| | - Xiguang Chen
- College of Marine Life Science
- Ocean University of China
- 266003 Qingdao
- China
- Qingdao National Laboratory for Marine Science and Technology
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Fernández KF, González MA, Parada MS. Transport of biodegradable polymeric particles loaded with grape seed extract across Caco-2 cell monolayers. Int J Food Sci Technol 2017. [DOI: 10.1111/ijfs.13655] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Katherina F. Fernández
- Department of Chemical Engineering; Faculty of Engineering; University of Concepción; Barrio Universitario s/n; P.O. Box 160-C, Correo 3 Concepción 4030000 Chile
| | - Marcelo A. González
- Department of Physiology; Faculty of Biological Sciences; University of Concepción; Barrio Universitario s/n; P.O. Box 160-C, Correo 3 Concepción 4030000 Chile
| | - María S. Parada
- Department of Chemical Engineering; Faculty of Engineering; University of Concepción; Barrio Universitario s/n; P.O. Box 160-C, Correo 3 Concepción 4030000 Chile
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Raja MA, Zeenat S, Arif M, Liu C. Self-assembled nanoparticles based on amphiphilic chitosan derivative and arginine for oral curcumin delivery. Int J Nanomedicine 2016; 11:4397-4412. [PMID: 27660435 PMCID: PMC5019276 DOI: 10.2147/ijn.s106116] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Curcumin (Cur) is a striking anticancer agent, but its low aqueous solubility, poor absorption, hasty metabolism, and elimination limit its oral bioavailability and consequently hinder its development as a drug. To redress these limitations, amphiphilic chitosan (CS) conjugate with improved mucoadhesion and solubility over a wider pH range was developed by modification with hydrophobic acrylonitrile (AN) and hydrophilic arginine (Arg); the synthesized conjugate (AN–CS–Arg), which was well characterized by Fourier transform infrared and 1H nuclear magnetic resonance spectroscopy. Results of critical aggregation concentration revealed that the AN–CS–Arg conjugate had low critical aggregation concentration and was prone to form self-assembled nanoparticles (NPs) in aqueous medium. Cur-encapsulated AN–CS–Arg NPs (AN–CS–Arg/Cur NPs) were developed by a simple sonication method and characterized for the physicochemical parameters such as zeta potential, particle size, and drug encapsulation. The results showed that zeta potential of the prepared NPs was 40.1±2.81 mV and the average size was ~218 nm. A considerable improvement in the aqueous solubility of Cur was observed after encapsulation into AN–CS–Arg/Cur NPs. With the increase in Cur concentration, loading efficiency increased but encapsulation efficiency decreased. The in vitro release profile exhibited sustained release pattern from the AN–CS–Arg/Cur NPs in typical biological buffers. The ex vivo mucoadhesion study revealed that AN–CS–Arg/Cur NPs had greater mucoadhesion than the control CS NPs. Compared with free Cur solution, AN–CS–Arg/Cur NPs showed stronger dose-dependent cytotoxicity against HT-29 cells. In addition, it was observed that cell uptake of AN–CS–Arg/Cur NPs was much higher compared with free Cur. Furthermore, the in vivo pharmacokinetic results in rats demonstrated that the AN–CS–Arg/Cur NPs could remarkably improve the oral bioavailability of Cur. Therefore, the developed AN–CS–Arg/Cur NPs might be a promising nano-candidate for oral delivery of Cur.
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Affiliation(s)
- Mazhar Ali Raja
- College of Marine Life Science, Ocean University of China, Qingdao, Shandong, People's Republic of China
| | - Shah Zeenat
- College of Marine Life Science, Ocean University of China, Qingdao, Shandong, People's Republic of China
| | - Muhammad Arif
- College of Marine Life Science, Ocean University of China, Qingdao, Shandong, People's Republic of China
| | - Chenguang Liu
- College of Marine Life Science, Ocean University of China, Qingdao, Shandong, People's Republic of China
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Zhou Z, Yan D, Cheng X, Kong M, Liu Y, Feng C, Chen X. Biomaterials based on N,N,N-trimethyl chitosan fibers in wound dressing applications. Int J Biol Macromol 2016; 89:471-6. [DOI: 10.1016/j.ijbiomac.2016.02.036] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 01/11/2016] [Accepted: 02/11/2016] [Indexed: 12/11/2022]
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12
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Liu Y, Wang FQ, Shah Z, Cheng XJ, Kong M, Feng C, Chen XG. Nano-polyplex based on oleoyl-carboxymethy-chitosan (OCMCS) and hyaluronic acid for oral gene vaccine delivery. Colloids Surf B Biointerfaces 2016; 145:492-501. [PMID: 27236511 DOI: 10.1016/j.colsurfb.2016.05.035] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 05/11/2016] [Accepted: 05/13/2016] [Indexed: 12/21/2022]
Abstract
Here we described nano-polyplexes (NPs) made of oleoyl-carboxymethy-chitosan (OCMCS)/hyaluronic acid (HA) as novel potential carriers for oral gene vaccines delivery. Aerolysin gene (aerA) of Aeromonas hydrophila as microbial antigen was efficiently loaded to form OCMCS-HA/aerA (OHA) NPs. OHA NPs performed the optimal parameters, i.e. smallest (154.5±9.4nm), positive charged (+7.9±0.5mV) and monodispersed system with the N/P ratio of 5 and OCMCS/HA weight ratio of 4. Upon the introduction of HA, OHA NPs was beneficial for the DNA release in intestinal environments in comparison to OA NPs. The mean fluorescence intensity detected in Caco-2 cells incubated with OHA NPs was about 2.5-fold higher than that of OA NPs; however, it decreased significantly in the presence of excess free HA. The OHA NPs and OA NPs decreased the transepithelial electric resistance (TEER) of Caco-2 monolayers obviously and induced increasing the apparent permeability coefficient (Papp) of DNA by 5.45-6.09 folds compared with free DNA. Significantly higher (P<0.05) antigen-specific antibodies were detected in serum after orally immunized with OHA NPs than that immunized with OA NPs and DNA alone in carps. These results enable the OHA NPs might resolve challenges arising from gastrointestinal damage to gene antigens, and offer an approach applicable for oral vaccination.
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Affiliation(s)
- Ya Liu
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China.
| | - Fang-Qin Wang
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China
| | - Zeana Shah
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China
| | - Xiao-Jie Cheng
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China
| | - Ming Kong
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China
| | - Chao Feng
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China
| | - Xi-Guang Chen
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China.
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Gajra B, Dalwadi C, Patel R. Formulation and optimization of itraconazole polymeric lipid hybrid nanoparticles (Lipomer) using Box Behnken design. ACTA ACUST UNITED AC 2015; 23:3. [PMID: 25604353 PMCID: PMC4312448 DOI: 10.1186/s40199-014-0087-0] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Accepted: 12/28/2014] [Indexed: 01/01/2023]
Abstract
Background The objective of the study was to formulate and to investigate the combined influence of 3 independent variables in the optimization of Polymeric lipid hybrid nanoparticles (PLHNs) (Lipomer) containing hydrophobic antifungal drug Itraconazole and to improve intestinal permeability. Method The Polymeric lipid hybrid nanoparticle formulation was prepared by the emulsification solvent evaporation method and 3 factor 3 level Box Behnken statistical design was used to optimize and derive a second order polynomial equation and construct contour plots to predict responses. Biodegradable Polycaprolactone, soya lecithin and Poly vinyl alcohol were used to prepare PLHNs. The independent variables selected were lipid to polymer ratio (X1) Concentration of surfactant (X2) Concentration of the drug (X3). Result The Box-Behnken design demonstrated the role of the derived equation and contour plots in predicting the values of dependent variables for the preparation and optimization of Itraconazole PLHNs. Itraconazole PLHNs revealed nano size (210 ± 1.8 nm) with an entrapment efficiency of 83 ± 0.6% and negative zeta potential of −11.7 mV and also enhance the permeability of itraconazole as the permeability coefficient (Papp) and the absorption enhancement ratio was higher. Conclusion The tunable particle size, surface charge, and favourable encapsulation efficiency with a sustained drug release profile of PLHNs suggesting that it could be promising system envisioned to increase the bioavailability by improving intestinal permeability through lymphatic uptake, M cell of payer’s patch or paracellular pathway which was proven by confocal microscopy.
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Affiliation(s)
- Balaram Gajra
- Department of Pharmaceutics & Pharmaceutical Technology, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, 388 421, Gujarat, India.
| | - Chintan Dalwadi
- Department of Pharmaceutics & Pharmaceutical Technology, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT Campus, Changa, 388 421, Gujarat, India.
| | - Ravi Patel
- Department of Pharmaceutics, Indian Institute of Technology, Banaras Hindu University (IIT-BHU), Varanasi, 221 005, UP, India.
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Patel RR, Khan G, Chaurasia S, Kumar N, Mishra B. Rationally developed core–shell polymeric-lipid hybrid nanoparticles as a delivery vehicle for cromolyn sodium: implications of lipid envelop on in vitro and in vivo behaviour of nanoparticles upon oral administration. RSC Adv 2015. [DOI: 10.1039/c5ra12732g] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In the present study, cromolyn sodium, a highly water soluble molecule was encapsulated into rationally designed, core–shell polymeric-lipid hybrid nanoparticles for enhancing its oral bioavailability, by improving its intestinal permeability.
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Affiliation(s)
- Ravi R. Patel
- Department of Pharmaceutics
- Indian Institute of Technology (Banaras Hindu University)
- Varanasi-221005
- India
| | - Gayasuddin Khan
- Department of Pharmaceutics
- Indian Institute of Technology (Banaras Hindu University)
- Varanasi-221005
- India
| | - Sundeep Chaurasia
- Department of Pharmaceutics
- Indian Institute of Technology (Banaras Hindu University)
- Varanasi-221005
- India
| | - Nagendra Kumar
- Department of Pharmaceutics
- Indian Institute of Technology (Banaras Hindu University)
- Varanasi-221005
- India
| | - Brahmeshwar Mishra
- Department of Pharmaceutics
- Indian Institute of Technology (Banaras Hindu University)
- Varanasi-221005
- India
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Syed Mohamad Al-Azi SO, Tan YTF, Wong TW. Transforming large molecular weight pectin and chitosan into oral protein drug nanoparticulate carrier. REACT FUNCT POLYM 2014. [DOI: 10.1016/j.reactfunctpolym.2014.09.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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16
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Dellera E, Bonferoni MC, Sandri G, Rossi S, Ferrari F, Del Fante C, Perotti C, Grisoli P, Caramella C. Development of chitosan oleate ionic micelles loaded with silver sulfadiazine to be associated with platelet lysate for application in wound healing. Eur J Pharm Biopharm 2014; 88:643-50. [PMID: 25128852 DOI: 10.1016/j.ejpb.2014.07.015] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 07/10/2014] [Accepted: 07/11/2014] [Indexed: 02/05/2023]
Abstract
In the treatment of chronic wounds, topical application of anti-infective drugs such as silver sulfadiazine (AgSD) is of primary importance to avoid infections and accelerate wound repair. AgSD is used in burns and chronic wounds for its wide antibacterial spectrum, but presents limitations due to poor solubility and cytotoxicity. In the present work polymeric micelles obtained by self-assembling of chitosan ionically modified by interaction with oleic acid were developed as carriers for AgSD to overcome the drawbacks of the drug. The AgSD loaded micelles were intended to be associated in wound healing with platelet lysate (PL), a hemoderivative rich in growth factors. Unloaded micelles demonstrated good compatibility with both fibroblasts and PL. The relevance of chitosan concentration and of the ratio between chitosan and oleic acid to the drug loading and the particle size of nanoparticles was studied. A marked increase (up to 100 times with respect to saturated solution) of AgSD concentration in micelle dispersion was obtained. Moreover, the encapsulation reduced the cytotoxic effect of the drug towards fibroblasts and the drug incompatibility with PDGF-AB (platelet derived growth factor), chosen as representative of platelet growth factors.
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Affiliation(s)
| | | | | | - Silvia Rossi
- Department of Drug Sciences, University of Pavia, Pavia, Italy
| | - Franca Ferrari
- Department of Drug Sciences, University of Pavia, Pavia, Italy
| | - Claudia Del Fante
- Immunohaematology and Transfusion Service, Apheresis and Cell Therapy Unit, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy
| | - Cesare Perotti
- Immunohaematology and Transfusion Service, Apheresis and Cell Therapy Unit, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy
| | - Pietro Grisoli
- Department of Drug Sciences, University of Pavia, Pavia, Italy
| | - Carla Caramella
- Department of Drug Sciences, University of Pavia, Pavia, Italy
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Fan B, Xing Y, Zheng Y, Sun C, Liang G. pH-responsive thiolated chitosan nanoparticles for oral low-molecular weight heparin delivery: in vitro and in vivo evaluation. Drug Deliv 2014; 23:238-47. [PMID: 24865290 DOI: 10.3109/10717544.2014.909908] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The aim of present study was to investigate a pH-responsive and mucoadhesive nanoparticle system for oral bioavailability enhancement of low-molecular weight heparin (LMWH). The thioglycolic acid (TGA) was first covalently attached to chitosan (CS) with 396.97 ± 54.54 μmol thiol groups per gram of polymer and then the nanoparticles were prepared with thiolated chitosan (TCS) and pH-sensitive polymer hydroxypropyl methylcellulose phthalate (HPMCP) by ionic cross-linking method. The obtained nanoparticles were characterized for the shape, particle size, zeta potential, drug entrapment efficiency and loading capacity. In vitro results revealed the acid stability of pH-responsive nanoparticles, which had a significant control over LMWH release and could effectively protect entrapped drugs in simulated gastric conditions. By the attachment of the thiol ligand, an improvement of permeation-enhancing effect on freshly excised carp intestine (1.86-fold improvement) could be found. The mucoadhesive properties were evaluated using fluorescently labeled TCS or CS nanoparticles. As compared with the controls, a significant improvement of mucoadhesion on rat intestinal mucosa was observed in TCS/HPMCP nanoparticles via confocal laser scanning microscopy. The activated partial thromboplastin time (APTT) was significantly prolonged and an increase in the oral bioavailability of LMWH was turned out to be pronounced after oral delivered LMWH-loaded TCS/HPMCP nanoparticles in rats, which suggested enhanced anticoagulant effects and improved absorption of LMWH. In conclusion, pH-responsive TCS/HPMCP nanoparticles hold promise for oral delivery of LMWH.
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Affiliation(s)
- Bo Fan
- a School of Pharmaceutical Science , Shanxi Medical University , Taiyuan , Shanxi , People's Republic of China
| | - Yang Xing
- a School of Pharmaceutical Science , Shanxi Medical University , Taiyuan , Shanxi , People's Republic of China
| | - Ying Zheng
- a School of Pharmaceutical Science , Shanxi Medical University , Taiyuan , Shanxi , People's Republic of China
| | - Chuan Sun
- a School of Pharmaceutical Science , Shanxi Medical University , Taiyuan , Shanxi , People's Republic of China
| | - Guixian Liang
- a School of Pharmaceutical Science , Shanxi Medical University , Taiyuan , Shanxi , People's Republic of China
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18
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Uchegbu IF, Carlos M, McKay C, Hou X, Schätzlein AG. Chitosan amphiphiles provide new drug delivery opportunities. POLYM INT 2014. [DOI: 10.1002/pi.4721] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Ijeoma F Uchegbu
- UCL School of Pharmacy; 29-39 Brunswick Square London WC1N 1AX UK
- Nanomerics Ltd; Approach Road St Albans AL1 1SR UK
| | - Margarida Carlos
- UCL School of Pharmacy; 29-39 Brunswick Square London WC1N 1AX UK
| | - Cameron McKay
- UCL School of Pharmacy; 29-39 Brunswick Square London WC1N 1AX UK
| | - Xueliang Hou
- UCL School of Pharmacy; 29-39 Brunswick Square London WC1N 1AX UK
| | - Andreas G Schätzlein
- UCL School of Pharmacy; 29-39 Brunswick Square London WC1N 1AX UK
- Nanomerics Ltd; Approach Road St Albans AL1 1SR UK
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Sonam, Chaudhary H, Arora V, Kholi K, Kumar V. Effect of Physicochemical Properties of Biodegradable Polymers on Nano Drug Delivery. POLYM REV 2013. [DOI: 10.1080/15583724.2013.828751] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Biocompatibility, cellular uptake and biodistribution of the polymeric amphiphilic nanoparticles as oral drug carriers. Colloids Surf B Biointerfaces 2013; 103:345-53. [DOI: 10.1016/j.colsurfb.2012.11.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2012] [Revised: 11/08/2012] [Accepted: 11/10/2012] [Indexed: 11/23/2022]
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Liu Y, Kong M, Cheng XJ, Wang QQ, Jiang LM, Chen XG. Self-assembled nanoparticles based on amphiphilic chitosan derivative and hyaluronic acid for gene delivery. Carbohydr Polym 2013; 94:309-16. [PMID: 23544543 DOI: 10.1016/j.carbpol.2012.12.058] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Revised: 12/18/2012] [Accepted: 12/21/2012] [Indexed: 01/17/2023]
Abstract
The present work described nanoparticles (NPs) made of oleoyl-carboxymethy-chitosan (OCMCS)/hyaluronic acid (HA) using coacervation process as novel potential carriers for gene delivery. An N/P ratio of 5 and OCMCS/HA weight ratio of 4 were the optimal conditions leading to the smallest (164.94 nm), positive charged (+14.2 mV) and monodispersed NPs. OCMCS-HA/DNA (OHD) NPs showed higher in vitro DNA release rates and increased cellular uptake by Caco-2 cells due to the HA involved in NPs. The MTT survival assay indicated no significant cytotoxicity. The transfection efficiency of OHD NPs was 5-fold higher than OCMCS/DNA (OD) NPs; however, it decreased significantly in the presence of excess free HA. The results indicated that OHD NPs internalized in Caco-2 cells were mediated by the hyaluronan receptor CD44. The data obtained in the present research gave evidence of the potential of OHD NPs for the targeting and further transfer of genes to the epithelial cells.
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Affiliation(s)
- Ya Liu
- College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China
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