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Cai X, Wang X, He M, Wang Y, Lan M, Zhao Y, Gao F. Colon-targeted delivery of tacrolimus using pH-responsive polymeric nanoparticles for murine colitis therapy. Int J Pharm 2021; 606:120836. [PMID: 34217824 DOI: 10.1016/j.ijpharm.2021.120836] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 06/03/2021] [Accepted: 06/25/2021] [Indexed: 12/14/2022]
Abstract
The present study aimed at constructing an oral nanoparticle delivery system loaded with tacrolimus (FK506) for effective treatment of inflammatory bowel disease. A FK506/HP-β-CD inclusion compound was prepared by grinding to increase drug solubility. To address the side- effects in non-target organs and systemic toxicity of FK506, pH-responsive Eudragit S100 (ES100) and hyaluronic acid (HA) with high affinity to CD44 receptor were adsorbed onto the surface of chitosan (CS) nanoparticles loaded with FK506/HP-β-CD through electrostatic interactions to obtain FK506@ES100/HA/CS/HP-β-CD nanoparticles (FK506@EHCh NPs). Caco-2 cells and Raw 264.7 macrophages were used to confirm the lack of cytotoxicity and good uptake ability of the newly generated nanoparticles. FK506@EHCh NPs significantly suppressed secretion of TNF-α, IL-1β and IL-6 by LPS-activated Raw 264.7 macrophages. A dextran sodium sulfate (DSS)-induced inflammatory bowel disease (IBD) murine model was established to further confirm the colon targeting and in vivo efficacy of oral IR-775@EHCh NPs. Based on the collective results, we conclude that packaging FK506 into active targeting nanocarriers sensitive to pH facilitates concentration of the drug within the sites of intestinal inflammation and improves the drug levels in target tissues, thus avoiding systemic side-effects and improving efficacy. In view of the promising results obtained in this study, the potential of EHCh nanoparticles for drug delivery and targeted treatment of inflammatory bowel disease warrants further investigation.
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Affiliation(s)
- Xiaoran Cai
- Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai 200237, China; Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xiaolei Wang
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Muye He
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Yan Wang
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Minbo Lan
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China
| | - Yuzheng Zhao
- Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai 200237, China; Synthetic Biology and Biotechnology Laboratory, State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, East China University of Science and Technology, Shanghai 200237, China
| | - Feng Gao
- Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai 200237, China; Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China.
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Zhou J, Chen Y, Luo M, Deng F, Lin S, Wu W, Li G, Nan K. Dual cross-linked chitosan microspheres formulated with spray-drying technique for the sustained release of levofloxacin. Drug Dev Ind Pharm 2019; 45:568-576. [PMID: 30652515 DOI: 10.1080/03639045.2019.1569025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Jing Zhou
- Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yuanyuan Chen
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Mengmeng Luo
- Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Fen Deng
- Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Sen Lin
- Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Wencan Wu
- Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Guqiang Li
- School of Rehabilitation Medicine, Binzhou Medical University, Yantan, China
| | - Kaihui Nan
- Eye Hospital, Wenzhou Medical University, Wenzhou, China
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He M, Zhong C, Hu H, Jin Y, Chen Y, Lou K, Gao F. Cyclodextrin/chitosan nanoparticles for oral ovalbumin delivery: Preparation, characterization and intestinal mucosal immunity in mice. Asian J Pharm Sci 2018; 14:193-203. [PMID: 32104451 PMCID: PMC7032233 DOI: 10.1016/j.ajps.2018.04.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 01/16/2018] [Accepted: 04/02/2018] [Indexed: 02/04/2023] Open
Abstract
A novel oral protein delivery system with enhanced intestinal penetration and improved antigen stability based on chitosan (CS) nanoparticles and antigen-cyclodextrin (CD) inclusion complex was prepared by a precipitation/coacervation method. Ovalbumin (OVA) as a model antigen was firstly encapsulated by cyclodextrin, either β-cyclodextrin (β-CD) or carboxymethyl-hydroxypropyl-β-cyclodextrin (CM-HP-β-CD) and formed OVA-CD inclusion complexes, which were then loaded to chitosan nanoparticles to form OVA loaded β-CD/CS or CM-HP-β-CD/CS nanoparticles with uniform particle size (836.3 and 779.2 nm, respectively) and improved OVA loading efficiency (27.6% and 20.4%, respectively). In vitro drug release studies mimicking oral delivery condition of OVA loaded CD/CS nanoparticles showed low initial releases at pH 1.2 for 2 h less than 3.0% and a delayed release which was below to 30% at pH 6.8 for further 72 h. More importantly, after oral administration of OVA loaded β-CD/CS nanoparticles to Balb/c mice, OVA-specific sIgA levels in jejunum of OVA loaded β-CD/CS nanoparticles were 3.6-fold and 1.9-fold higher than that of OVA solution and OVA loaded chitosan nanoparticles, respectively. In vivo evaluation results showed that OVA loaded CD/CS nanoparticles could enhance its efficacy for inducing intestinal mucosal immune response. In conclusion, our data suggested that CD/CS nanoparticles could serve as a promising antigen-delivery system for oral vaccination.
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Affiliation(s)
- Muye He
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Chen Zhong
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Huibing Hu
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Yu Jin
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Yanzuo Chen
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Kaiyan Lou
- Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.,Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai 200237, China
| | - Feng Gao
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China.,Department of Pharmaceutics, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.,Shanghai Key Laboratory of New Drug Design, East China University of Science and Technology, Shanghai 200237, China
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4
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Cromolyn chitosan nanoparticles as a novel protective approach for colorectal cancer. Chem Biol Interact 2017; 275:1-12. [DOI: 10.1016/j.cbi.2017.07.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/10/2017] [Accepted: 07/17/2017] [Indexed: 01/04/2023]
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Russo E, Gaglianone N, Baldassari S, Parodi B, Croce I, Bassi AM, Vernazza S, Caviglioli G. Chitosan-clodronate nanoparticles loaded in poloxamer gel for intra-articular administration. Colloids Surf B Biointerfaces 2016; 143:88-96. [PMID: 26998870 DOI: 10.1016/j.colsurfb.2016.03.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 02/29/2016] [Accepted: 03/09/2016] [Indexed: 11/17/2022]
Abstract
This work was based on the study of an intra-articular delivery system constituted by a poloxamer gel vehiculating clodronate in chitosan nanoparticles. This system has been conceived to obtain a specific and controlled release of clodronate in the joints to reduce the arthritis rheumatoid degenerative effect. Clodronate (CLO) is a first-generation bisphosphonate with anti-inflammatory properties, inhibiting the cytokine and NO secretion from macrophages, therefore causing apoptosis in these cells. This is related to its ability to be metabolized by cells and converted into a cytotoxic intermediate as a non-hydrolysable analogue of ATP. Chitosan (CHI) was used to develop nanosystems, by ionotropic gelation induced by clodronate itself. A fractional factorial experimental design allowed us to obtain nanoparticles, the diameter of which ranged from 200 to 300nm. Glutaraldehyde was used to increase nanoparticle stability and modify the drug release profile. The zeta potential value of crosslinked nanopaparticles was 21.0mV±1.3, while drug loading was 31.0%±5.4 w/w; nanoparticle yield was 18.2%±1.8 w/w, the encapsulation efficiency was 48.8%±9.9 w/w. Nanoparticles were homogenously loaded in a poloxamer sol, and the drug delivery system is produced in-situ after local administration, when sol become gel at physiological temperature. The properties of poloxamer gels containing CHI-CLO nanoparticles, such as viscosity, gelation temperature and drug release properties, were evaluated. In vitro studies were conducted to evaluate the effects of these nanoparticles on a human monocytic cell line (THP1). The results showed that this drug delivery system is more efficient, with respect to the free drug, to counteract the inflammatory process characteristic of several degenerative diseases.
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Affiliation(s)
- E Russo
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy.
| | - N Gaglianone
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - S Baldassari
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - B Parodi
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - I Croce
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - A M Bassi
- Department of Experimental Medicine, General Pathology, University of Genova, Via L.B. Alberti 2, 16132 Genova, Italy
| | - S Vernazza
- Department of Experimental Medicine, General Pathology, University of Genova, Via L.B. Alberti 2, 16132 Genova, Italy
| | - G Caviglioli
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
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Wang F, Yang S, Hua D, Yuan J, Huang C, Gao Q. A novel preparation method of paclitaxcel-loaded folate-modified chitosan microparticles and in vitro evaluation. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:276-89. [PMID: 26578298 DOI: 10.1080/09205063.2015.1121366] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
A new chitosan microparticles loading paclitaxel (PTX) for application as an oral delivery system were developed using a novel double emulsion crosslinking method. To improve the targeted effect, folic acid (FA) was introduced onto the surface of microparticles using chemical method. The method was based on Schiff reaction between amino group of chitosan and carboxyl group of FA, and folate-chitosan (FA-CS) conjugate was characterized using infrared spectrum analysis (FT-IR), and the microparticles were named as FA-CS-PTX/MPs. FA-CS-PTX/MPs had larger size of average diameter 223.6 nm, while PTX-loaded chitosan microparticles (CS-PTX/MPs) had 179.1 nm average diameter. The zeta potential of CS-PTX/MPs and FA-CS-PTX/MPs was 22.3 and 33.1 mV, respectively. SEM and TEM showed both the two microparticles had well-defined spherical structure. The in vitro drug release was studied under different pH conditions, and a two-phase kinetics model was found to be the most adequate kinetic model. Furthermore, the cytotoxicity activities of drug-carriers against L929 cells and the cellular uptake of PTX-loaded microparticles against HepG2 cells were investigated. Results demonstrated that FA-CS-PTX/MPs might be a promising drug carrier for promoting PTX cellular uptake and could be used as a potential tumor-targeted drug vector.
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Affiliation(s)
- Fang Wang
- a College of Chemical Engineering, Nanjing Forestry University , Nanjing , P.R. China.,b Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals , Nanjing , P.R.China
| | - Siqian Yang
- a College of Chemical Engineering, Nanjing Forestry University , Nanjing , P.R. China
| | - Dawei Hua
- a College of Chemical Engineering, Nanjing Forestry University , Nanjing , P.R. China.,b Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals , Nanjing , P.R.China
| | - Jian Yuan
- a College of Chemical Engineering, Nanjing Forestry University , Nanjing , P.R. China
| | - Chaobo Huang
- a College of Chemical Engineering, Nanjing Forestry University , Nanjing , P.R. China.,b Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals , Nanjing , P.R.China
| | - Qinwei Gao
- a College of Chemical Engineering, Nanjing Forestry University , Nanjing , P.R. China.,b Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals , Nanjing , P.R.China
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Fu DJ, Jin Y, Xie MQ, Ye YJ, Qin DD, Lou KY, Chen YZ, Gao F. Preparation and characterization of mPEG grafted chitosan micelles as 5-fluorouracil carriers for effective anti-tumor activity. CHINESE CHEM LETT 2014. [DOI: 10.1016/j.cclet.2014.06.027] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Russo E, Gaglianone N, Baldassari S, Parodi B, Cafaggi S, Zibana C, Donalisio M, Cagno V, Lembo D, Caviglioli G. Preparation, characterization and in vitro antiviral activity evaluation of foscarnet-chitosan nanoparticles. Colloids Surf B Biointerfaces 2014; 118:117-25. [PMID: 24742953 DOI: 10.1016/j.colsurfb.2014.03.037] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Revised: 02/27/2014] [Accepted: 03/23/2014] [Indexed: 01/05/2023]
Abstract
A new nanoparticulate system for foscarnet delivery was prepared and evaluated. Nanoparticles were obtained by ionotropic gelation of chitosan induced by foscarnet itself, acting as an ionotropic agent in a manner similar to tripolyphosphate anion. A Doehlert design allowed finding the suitable experimental conditions. Nanoparticles were between 200 and 300nm in diameter (around 450nm after redispersion). Nanoparticle size increased after 5h, but no size increase was observed after 48h when nanoparticles were crosslinked with glutaraldehyde. Zeta potential values of noncrosslinked and crosslinked nanoparticles were between 20 and 25mV, while drug loading of noncrosslinked nanoparticles was about 40% w/w (55% w/w for crosslinked nanoparticles). Nanoparticle yield was around 25% w/w. Crosslinked nanoparticles showed a controlled drug release. Foscarnet released from nanoparticles maintained the antiviral activity of the free drug when tested in vitro against lung fibroblasts (HELF) cells infected with HCMV strain AD-169. Moreover, nanoparticles showed no toxicity on non-infected HELF cells. These nanoparticles may represent a delivery system that could improve the therapeutic effect of foscarnet.
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Affiliation(s)
- E Russo
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy.
| | - N Gaglianone
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - S Baldassari
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - B Parodi
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - S Cafaggi
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - C Zibana
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
| | - M Donalisio
- Department of Clinical and Biological Sciences, University of Turin, Ospedale San Luigi Gonzaga Regione Gonzole 10, 10043 Orbassano, TO, Italy
| | - V Cagno
- Department of Clinical and Biological Sciences, University of Turin, Ospedale San Luigi Gonzaga Regione Gonzole 10, 10043 Orbassano, TO, Italy
| | - D Lembo
- Department of Clinical and Biological Sciences, University of Turin, Ospedale San Luigi Gonzaga Regione Gonzole 10, 10043 Orbassano, TO, Italy
| | - G Caviglioli
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy
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Puga AM, Lima AC, Mano JF, Concheiro A, Alvarez-Lorenzo C. Pectin-coated chitosan microgels crosslinked on superhydrophobic surfaces for 5-fluorouracil encapsulation. Carbohydr Polym 2013; 98:331-40. [DOI: 10.1016/j.carbpol.2013.05.091] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Revised: 05/28/2013] [Accepted: 05/31/2013] [Indexed: 11/25/2022]
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Sultana S, Talegaonkar S, Singh D, Ahmad R, Manukonda V, Bhatnagar A, Ahmad FJ. An approach for lacidipine loaded gastroretentive formulation prepared by different methods for gastroparesis in diabetic patients. Saudi Pharm J 2013; 21:293-304. [PMID: 23960846 DOI: 10.1016/j.jsps.2013.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 03/29/2013] [Indexed: 02/06/2023] Open
Abstract
The present work deals with various attempts to prepare a gastroretentive formulation of lacidipine for treating gastroparesis. High density sucrose beads were modified by coating with certain polymers, but unfortunately sustained release could not be achieved. Granules were prepared by wet granulation technology using different combinations of polymers and a release of the drug was observed. The method failed to release the drug as per desired specifications. Polymeric coating followed by wet granulation was thought to be a better process to sustain the dissolution rate. The release rate can be modified by the incorporation of different polymeric coatings, but the mucoadhesive potential of granules was only 4.23% which might be due to its large size and the presence of other ingredients. Further, the lacidipine loaded microparticles were prepared by different methods such as compression, ionic gelation with TPP, ionic gelation with TPP and glutaraldehyde, spray drying and coacervation techniques. The formulations were evaluated for average particle size, surface morphology, entrapment efficiency, % yield and mucoadhesive potential. The microparticles prepared by compression method using HPMC K4M and SCMC as mucoadhesive polymers and BaSO4 as high density diluent showed poor bioadhesion (8.3%) and poor release characteristics (100% in 120 min). Ionic gelation with tripolyphosphate yielded microspheres with poor mechanical strength. In order to improve its mechanical strength, TPP ionic gelation was combined with step-wise cross-linking with glutaraldehyde. The additional solidification step to improve mechanical strength left this procedure tedious, time consuming and cytotoxic. Spray drying method gave a very low yield with 46.67% bioadhesion. The method using CaCl2 for ionotropic gelation showed the best results with regard to physical characteristics (well formed discrete, spherical surface microcapsule), particle size (88.57 ± 0.51), in vitro bioadhesion (67.33%), yield (>85%) and loading (>70%).
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Affiliation(s)
- Shaheen Sultana
- Jamia Hamdard, Faculty of Pharmacy, Department of Pharmaceutics, Delhi, India
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