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Oliveira LFAM, da Silva LVAT, Sonsin AF, Alves MS, Costa CV, Melo JCS, Ross N, Wady PT, Zinn T, do Nascimento TG, Fonseca EJS, de Assis AML, Hillman AR, Ribeiro AS. Dansyl fluorophore functionalized hierarchically structured mesoporous silica nanoparticles as novel latent fingerprint development agents. RSC Adv 2024; 14:22504-22512. [PMID: 39021455 PMCID: PMC11253167 DOI: 10.1039/d4ra03074e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 07/04/2024] [Indexed: 07/20/2024] Open
Abstract
A nanostructured hybrid material based on mesoporous silica nanoparticles (MCM-41) functionalized with chitosan and a fluorescent dye (dansylglycine), designated MCM-41@Ch@DnsGly, was synthesized and characterized with a view to its application for the visualization of latent fingerprints. These nanoparticles were applied as latent fingerprint developers for marks on surfaces of diverse chemical composition, topography, optical characteristics, and spatially variant nature, typical of forensically challenging evidence. For quality assessment of the enhanced fingermarks, the developed images were analyzed holistically using the UK Home Office scale, forensic protocols and, in terms of their constituent features (minutiae), using forensic software. Across a substantive collection of marks deposited on chemically diverse surfaces and subject to complex environmental and temporal histories, 94% of the enhanced images presented sufficient minutiae for comparison with model dactyloscopy images. This novel nanomaterial presents enhanced performance with significant promise for superior exploitation by forensic practitioners in the acquisition and analysis of crime scene evidence.
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Affiliation(s)
- Lais F A M Oliveira
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Lais V A T da Silva
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Artur F Sonsin
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Meclycia S Alves
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Cristiane V Costa
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Jeane C S Melo
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Nicholas Ross
- Department of Chemistry, University of Leicester Leicester LE1 7RH UK
| | - Paul T Wady
- Diamond Light Source Harwell Science and Innovation Campus Didcot OX11 0DE UK
| | - Thomas Zinn
- Diamond Light Source Harwell Science and Innovation Campus Didcot OX11 0DE UK
| | | | - Eduardo J S Fonseca
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
| | - Alexandro M L de Assis
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
- Technical and Scientific Section of Alagoas, Federal Police 57025-080 Maceió AL Brazil
- National Institute of Criminalistics, Federal Police 70610-902 Brasília-DF Brazil
| | - A Robert Hillman
- Department of Chemistry, University of Leicester Leicester LE1 7RH UK
| | - Adriana S Ribeiro
- Federal University of Alagoas Campus A. C. Simões 57072-970 Maceió AL Brazil
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Xi Z, Jiang Y, Ma Z, Li Q, Xi X, Fan C, Zhu S, Zhang J, Xu L. Using Mesoporous Silica-Based Dual Biomimetic Nano-Erythrocytes for an Improved Antitumor Effect. Pharmaceutics 2023; 15:2785. [PMID: 38140125 PMCID: PMC10747987 DOI: 10.3390/pharmaceutics15122785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 10/27/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
The nano-delivery system with a dual biomimetic effect can penetrate deeper in tumor microenvironments (TMEs) and release sufficient antitumor drugs, which has attracted much attention. In this study, we synthesized erythrocyte-like mesoporous silica nanoparticles (EMSNs) as the core loaded with doxorubicin (DOX) and coated them with calcium phosphate (CaP) and erythrocyte membrane (EM) to obtain DOX/EsPMs. The transmission electron microscopy (TEM), fluorescent co-localization and protein bands of SDS-PAGE were used to confirm the complete fabrication of EsPMs. The EsPMs with erythrocyte-like shape exhibited superior penetration ability in in vitro diffusion and tumor-sphere penetration experiments. Intracellular Ca2+ and ROS detection experiments showed that the CaP membranes of EsPMs with pH-sensitivity could provide Ca2+ continuously to induce reactive oxide species' (ROS) generation in the TME. The EM as a perfect "camouflaged clothing" which could confuse macrophagocytes into prolonging blood circulation. Hemolysis and non-specific protein adsorption tests proved the desirable biocompatibility of EsPMs. An in vivo pharmacodynamics evaluation showed that the DOX/EsPMs group had a satisfactory tumor-inhibition effect. These advantages of the nano-erythrocytes suggest that by modifying the existing materials to construct a nano-delivery system, nanoparticles will achieve a biomimetic effect from both their structure and function with a facilitated and sufficient drug release profile, which is of great significance for antitumor therapy.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Lu Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.X.); (Y.J.); (Z.M.); (Q.L.); (X.X.); (C.F.); (S.Z.); (J.Z.)
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3
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Akbar MU, Khattak S, Khan MI, Saddozai UAK, Ali N, AlAsmari AF, Zaheer M, Badar M. A pH-responsive bi-MIL-88B MOF coated with folic acid-conjugated chitosan as a promising nanocarrier for targeted drug delivery of 5-Fluorouracil. Front Pharmacol 2023; 14:1265440. [PMID: 37745070 PMCID: PMC10517339 DOI: 10.3389/fphar.2023.1265440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 08/22/2023] [Indexed: 09/26/2023] Open
Abstract
Cancer has remained one of the leading causes of death worldwide, with a lack of effective treatment. The intrinsic shortcomings of conventional therapeutics regarding tumor specificity and non-specific toxicity prompt us to look for alternative therapeutics to mitigate these limitations. In this regard, we developed multifunctional bimetallic (FeCo) bi-MIL-88B-FC MOFs modified with folic acid-conjugated chitosan (FC) as drug delivery systems (DDS) for targeted delivery of 5-Fluorouracil (5-FU). The bi-MIL-88B nanocarriers were characterized through various techniques, including powder X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray, thermogravimetric analysis, and Fourier transform infrared spectroscopy. Interestingly, 5-FU@bi-MIL-88B-FC showed slower release of 5-FU due to a gated effect phenomenon endowed by FC surface coating compared to un-modified 5-FU@bi-MIL-88B. The pH-responsive drug release was observed, with 58% of the loaded 5-FU released in cancer cells mimicking pH (5.2) compared to only 24.9% released under physiological pH (5.4). The in vitro cytotoxicity and cellular internalization experiments revealed the superiority of 5-FU@bi-MIL-88B-FC as a highly potent targeted DDS against folate receptor (FR) positive SW480 cancer cells. Moreover, due to the presence of Fe and Co in the structure, bi-MIL-88B exhibited peroxidase-like activity for chemodynamic therapy. Based on the results, 5-FU@bi-MIL-88B-FC could serve as promising candidate for smart DDS by sustained drug release and selective targeting.
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Affiliation(s)
- Muhammad Usman Akbar
- Gomal Center of Biochemistry and Biotechnology, Gomal University, Dera Ismail Khan, Pakistan
| | - Saadullah Khattak
- Henan International Joint Laboratory of Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Malik Ihsanullah Khan
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Umair Ali Khan Saddozai
- Department of Preventive Medicine, Institute of Bioinformatics, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng, China
| | - Nemat Ali
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Abdullah F. AlAsmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Muhammad Zaheer
- Department of Chemistry and Chemical Engineering, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences (LUMS), Lahore, Pakistan
| | - Muhammad Badar
- Gomal Center of Biochemistry and Biotechnology, Gomal University, Dera Ismail Khan, Pakistan
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Lodhi A, Dalai AK, Maheria KC. Synthesis of biologically active dihydroquinazolinone catalyzed by the micro–meso-composite of zeolite H-BEA. RESEARCH ON CHEMICAL INTERMEDIATES 2023. [DOI: 10.1007/s11164-023-04998-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Natural Biopolymers as Smart Coating Materials of Mesoporous Silica Nanoparticles for Drug Delivery. Pharmaceutics 2023; 15:pharmaceutics15020447. [PMID: 36839771 PMCID: PMC9965229 DOI: 10.3390/pharmaceutics15020447] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
In recent years, the functionalization of mesoporous silica nanoparticles (MSNs) with different types of responsive pore gatekeepers have shown great potential for the formulation of drug delivery systems (DDS) with minimal premature leakage and site-specific controlled release. New nanotechnological approaches have been developed with the objective of utilizing natural biopolymers as smart materials in drug delivery applications. Natural biopolymers are sensitive to various physicochemical and biological stimuli and are endowed with intrinsic biodegradability, biocompatibility, and low immunogenicity. Their use as biocompatible smart coatings has extensively been investigated in the last few years. This review summarizes the MSNs coating procedures with natural polysaccharides and protein-based biopolymers, focusing on their application as responsive materials to endogenous stimuli. Biopolymer-coated MSNs, which conjugate the nanocarrier features of mesoporous silica with the biocompatibility and controlled delivery provided by natural coatings, have shown promising therapeutic outcomes and the potential to emerge as valuable candidates for the selective treatment of various diseases.
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Parsaei M, Akhbari K. Synthesis and Application of MOF-808 Decorated with Folic Acid-Conjugated Chitosan as a Strong Nanocarrier for the Targeted Drug Delivery of Quercetin. Inorg Chem 2022; 61:19354-19368. [DOI: 10.1021/acs.inorgchem.2c03138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Mozhgan Parsaei
- School of Chemistry, College of Science, University of Tehran, Tehran14155-6455, Iran
| | - Kamran Akhbari
- School of Chemistry, College of Science, University of Tehran, Tehran14155-6455, Iran
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Cefazolin/BMP-2-Loaded Mesoporous Silica Nanoparticles for the Repair of Open Fractures with Bone Defects. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8385456. [PMID: 36193077 PMCID: PMC9526639 DOI: 10.1155/2022/8385456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/20/2022] [Accepted: 08/28/2022] [Indexed: 11/17/2022]
Abstract
The study aimed to explore the feasibility of a nanodrug delivery system to treat open fractures with bone defects. We developed a cefazolin (Cef)/bone morphogenetic protein 2 (BMP-2)@mesoporous silica nanoparticle (MSN) delivery system; meanwhile, Cef/MBP-2@ poly(lactic-co-glycolic acid) (PLGA) was also developed as control. For the purpose of determining the osteogenic and anti-inflammatory actions of the nanodelivery system, we cultured bone marrow mesenchymal stem cells (BMSCs) and constructed a bone defect mouse model to evaluate its clinical efficacy. After physicochemical property testing, we determined that MSN had good stability and did not easily accumulate or precipitate and it could effectively prolong the Cef’s half-life by nearly eight times. In BMSCs, we found that compared with the PLGA delivery system, MSNs better penetrated into the bone tissue, thus effectively increasing BMSCs’ proliferation and migration ability to facilitate bone defect repair. Furthermore, the MSN delivery system could improve BMSCs’ mineralization indexes (alkaline phosphatase [ALP], osteocalcin [OCN], and collagen I [Col I]) to effectively improve its osteogenic ability. Moreover, the MSN delivery system could inhibit inflammation in bone defect mice, which was mainly reflected in its ability to reduce the release of IL-1β and IL-4 and increase IL-10 levels; it could also effectively reduce apoptosis of CD4+ and CD8+ T cells, thus improving their immune function. Furthermore, the percentage of new bones, bone mineral density, trabecular volume, and trabecular numbers in the fracture region were improved in mice treated with MSN, which allowed better repair of bone defects. Hence, Cef/BMP-2@MSN may be feasible for open fractures with bone defects.
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Hu Y, Zhang S, Wen Z, Fu H, Hu J, Ye X, Kang L, Li X, Yang X. Oral delivery of curcumin via multi-bioresponsive polyvinyl alcohol and guar gum based double-membrane microgels for ulcerative colitis therapy. Int J Biol Macromol 2022; 221:806-820. [PMID: 36099999 DOI: 10.1016/j.ijbiomac.2022.09.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 08/21/2022] [Accepted: 09/06/2022] [Indexed: 11/05/2022]
Abstract
Anti-inflammatory drugs for ulcerative colitis (UC) treatment should specifically penetrate and accumulate in the colon tissue. Herein, a multi-bioresponsive anti-inflammatory drug (curcumin, CUR)-loaded heterogeneous double-membrane microgels (CUR@microgels) for oral administration was fabricated in this study, in which the inner core was derived from polyvinyl alcohol (PVA) and guar gum (GG) and the outer gel was decoration with alginate and chitosan by polyelectrolyte interactions. The structure and morphology of microgels were characterized. In vitro, the formulation exhibited good bio-responses at different pH conditions and sustained-release properties in simulated colon fluid with a drug-release rate of 84.6 % over 34 h. With the assistance of the outlayer gels, the microgels effectively delayed the premature drug release of CUR in the upper gastrointestinal tract. In vivo studies revealed that CUR@microgels specifically accumulated in the colon tissue for 24 h, which suggest that the interlayer gels were apt to reach colon lesion. As expected, the oral administration of microgels remarkably alleviated the symptoms of UC and protected the colon tissue in DSS-induced UC mice. The above results indicated that these facilely fabricated microgels which exhibited excellent biocompatibility and multi-bioresponsive drug release, had an apparent effect on the treatment of UC, which represents a promising drug delivery strategy for CUR in a clinical application.
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Affiliation(s)
- Yan Hu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China.
| | - Shangwen Zhang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Zhijie Wen
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Hudie Fu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Jie Hu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Xuexin Ye
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Li Kang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Xiaojun Li
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China
| | - Xinzhou Yang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, China.
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Díez-Pascual AM, Rahdar A. LbL Nano-Assemblies: A Versatile Tool for Biomedical and Healthcare Applications. NANOMATERIALS 2022; 12:nano12060949. [PMID: 35335762 PMCID: PMC8954003 DOI: 10.3390/nano12060949] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 02/04/2023]
Abstract
Polyelectrolytes (PEs) have been the aim of many research studies over the past years. PE films are prepared by the simple and versatile layer-by-layer (LbL) approach using alternating assemblies of polymer pairs involving a polyanion and a polycation. The adsorption of the alternating PE multiple layers is driven by different forces (i.e., electrostatic interactions, H-bonding, charge transfer interactions, hydrophobic forces, etc.), which enable an accurate control over the physical properties of the film (i.e., thickness at the nanoscale and morphology). These PE nano-assemblies have a wide range of biomedical and healthcare applications, including drug delivery, protein delivery, tissue engineering, wound healing, and so forth. This review provides a concise overview of the most outstanding research on the design and fabrication of PE nanofilms. Their nanostructures, molecular interactions with biomolecules, and applications in the biomedical field are briefly discussed. Finally, the perspectives of further research directions in the development of LbL nano-assemblies for healthcare and medical applications are highlighted.
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Affiliation(s)
- Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
- Correspondence:
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran;
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Lotfipour F, Shahi S, Farjami A, Salatin S, Mahmoudian M, Dizaj SM. Safety and Toxicity Issues of Therapeutically Used Nanoparticles from the Oral Route. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9322282. [PMID: 34746313 PMCID: PMC8570876 DOI: 10.1155/2021/9322282] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 10/18/2021] [Indexed: 12/22/2022]
Abstract
The emerging science of nanotechnology sparked a research attention in its potential benefits in comparison to the conventional materials used. Oral products prepared via nanoparticles (NPs) have garnered great interest worldwide. They are used commonly to incorporate nutrients and provide antimicrobial activity. Formulation into NPs can offer opportunities for targeted drug delivery, improve drug stability in the harsh environment of the gastrointestinal (GI) tract, increase drug solubility and bioavailability, and provide sustained release in the GI tract. However, some issues like the management of toxicity and safe handling of NPs are still debated and should be well concerned before their application in oral preparations. This article will help the reader to understand safety issues of NPs in oral drug delivery and provides some recommendations to the use of NPs in the drug industry.
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Affiliation(s)
- Farzaneh Lotfipour
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical and Food Control, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shahriar Shahi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Afsaneh Farjami
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sara Salatin
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Moodley T, Singh M. Current Stimuli-Responsive Mesoporous Silica Nanoparticles for Cancer Therapy. Pharmaceutics 2021; 13:71. [PMID: 33430390 PMCID: PMC7827023 DOI: 10.3390/pharmaceutics13010071] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/27/2020] [Accepted: 01/05/2021] [Indexed: 12/16/2022] Open
Abstract
With increasing incidence and mortality rates, cancer remains one of the most devastating global non-communicable diseases. Restricted dosages and decreased bioavailability, often results in lower therapeutic outcomes, triggering the development of resistance to conventionally used drug/gene therapeutics. The development of novel therapeutic strategies using multimodal nanotechnology to enhance specificity, increase bioavailability and biostability of therapeutics with favorable outcomes is critical. Gated vectors that respond to endogenous or exogenous stimuli, and promote targeted tumor delivery without prematurely cargo loss are ideal. Mesoporous silica nanoparticles (MSNs) are effective delivery systems for a variety of therapeutic agents in cancer therapy. MSNs possess a rigid framework and large surface area that can incorporate supramolecular constructs and varying metal species that allow for stimuli-responsive controlled release functions. Its high interior loading capacity can incorporate combination drug/gene therapeutic agents, conferring increased bioavailability and biostability of the therapeutic cargo. Significant advances in the engineering of MSNs structural and physiochemical characteristics have since seen the development of nanodevices with promising in vivo potential. In this review, current trends of multimodal MSNs being developed and their use in stimuli-responsive passive and active targeting in cancer therapy will be discussed, focusing on light, redox, pH, and temperature stimuli.
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Affiliation(s)
| | - Moganavelli Singh
- Nano-Gene and Drug Delivery Group, Discipline of Biochemistry, School of Life Sciences, University of Kwa-Zulu Natal, Private Bag X54001, Durban 4000, South Africa;
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Li X, Lu C, Yang Y, Yu C, Rao Y. Site-specific targeted drug delivery systems for the treatment of inflammatory bowel disease. Biomed Pharmacother 2020; 129:110486. [PMID: 32768972 DOI: 10.1016/j.biopha.2020.110486] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/30/2020] [Accepted: 06/30/2020] [Indexed: 12/14/2022] Open
Abstract
Inflammatory bowel disease (IBD) includes Crohn's disease and ulcerative colitis and manifests as a complex and dysregulated immune response. To date, there is no cure for IBD; thus, lifelong administration of maintenance drugs is often necessary. Since conventional IBD treatment strategies do not target the sites of inflammation, only limited efficacy is observed with their use. Moreover, the possibility of severe side effects resulting from systemic drug redistribution is high when conventional drug treatments are used. Therefore, a straightforward disease-targeted drug delivery system is desirable. Based on the pathophysiological changes associated with IBD, novel site-specific targeted drug delivery strategies that deliver drugs directly to the inflammation sites can enhance drug accumulation and decrease side effects. This review summarizes novel inflammation targeted delivery systems in the management of IBD. It also discusses the challenges and new perspectives in this field.
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Affiliation(s)
- Xin Li
- Department of Pharmacology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Chao Lu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Yanyan Yang
- Department of Pharmacology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.
| | - Yuefeng Rao
- Department of Pharmacology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.
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Kong ZL, He JL, Sudirman S, Kuo MT, Miao S, Chang KLB, Tsou D. Nanoparticles of Antroquinonol-Rich Extract from Solid-State-Cultured Antrodia cinnamomea Improve Reproductive Function in Diabetic Male Rats. Int J Nanomedicine 2020; 15:4191-4203. [PMID: 32606672 PMCID: PMC7305344 DOI: 10.2147/ijn.s252885] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 05/19/2020] [Indexed: 12/31/2022] Open
Abstract
Purpose To characterize the nanoparticle of antroquinonol from A. cinnamomea and its ameliorative effects on the reproductive dysfunction in the diabetic male rat. Material and Methods The chitosan-silicate nanoparticle was used as the carrier for the delivery of antroquinonol from solid-state-cultured A. cinnamomea extract (AC). The rats were fed with a high-fat diet and intraperitoneally injected with streptozotocin to induce diabetes. The rats were daily oral gavage by water [Diabetes (DM) and Control groups], three different doses of chitosan-silicate nanoparticle of antroquinonol from solid-state-cultured A. cinnamomea (nano-SAC, NAC): (DM+NAC1x, 4 mg/kg of body weight; DM+NAC2x, 8 mg/kg; and DM+NAC5x, 20 mg/kg), solid-state-cultured AC (DM+AC5x, 20 mg/kg), or metformin (DM+Met, 200 mg/kg) for 7 weeks. Results The nano-SAC size was 37.68±5.91 nm, the zeta potential was 4.13±0.49 mV, encapsulation efficiency was 79.29±0.77%, and loading capacity was 32.45±0.02%. The nano-SAC can improve diabetes-induced reproductive dysfunction by regulating glucose, insulin, and oxidative enzyme and by increasing the level of testosterone, follicle-stimulating hormone, luteinizing hormone, and sperm count as well as sperm mobility. In testicular histopathology, the seminiferous tubules of A. cinnamomea-supplemented diabetic rats showed similar morphology with the control group. Conclusion The nanoparticle of antroquinonol from Antrodia cinnamomea can be used as an effective strategy to improve diabetes-induced testicular dysfunction.
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Affiliation(s)
- Zwe-Ling Kong
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
| | - Jia-Ling He
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
| | - Sabri Sudirman
- Fisheries Product Technology, Faculty of Agriculture, Universitas Sriwijaya, Palembang, Ogan Ilir Regency, Indonesia
| | | | - Song Miao
- Teagasc Food Research Center, Moorepark, Co. Cork, Ireland
| | - Ke-Liang B Chang
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
| | - David Tsou
- Department of Food Science, National Taiwan Ocean University, Keelung City, Taiwan
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14
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Mostafavi E, Medina-Cruz D, Kalantari K, Taymoori A, Soltantabar P, Webster TJ. Electroconductive Nanobiomaterials for Tissue Engineering and Regenerative Medicine. Bioelectricity 2020; 2:120-149. [PMID: 34471843 PMCID: PMC8370325 DOI: 10.1089/bioe.2020.0021] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Regenerative medicine aims to engineer tissue constructs that can recapitulate the functional and structural properties of native organs. Most novel regenerative therapies are based on the recreation of a three-dimensional environment that can provide essential guidance for cell organization, survival, and function, which leads to adequate tissue growth. The primary motivation in the use of conductive nanomaterials in tissue engineering has been to develop biomimetic scaffolds to recapitulate the electrical properties of the natural extracellular matrix, something often overlooked in numerous tissue engineering materials to date. In this review article, we focus on the use of electroconductive nanobiomaterials for different biomedical applications, particularly, very recent advancements for cardiovascular, neural, bone, and muscle tissue regeneration. Moreover, this review highlights how electroconductive nanobiomaterials can facilitate cell to cell crosstalk (i.e., for cell growth, migration, proliferation, and differentiation) in different tissues. Thoughts on what the field needs for future growth are also provided.
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Affiliation(s)
- Ebrahim Mostafavi
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - David Medina-Cruz
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Katayoon Kalantari
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Ada Taymoori
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
| | - Pooneh Soltantabar
- Department of Bioengineering, University of Texas at Dallas, Richardson, Texas, USA
| | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, USA
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15
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Kankala RK, Han YH, Na J, Lee CH, Sun Z, Wang SB, Kimura T, Ok YS, Yamauchi Y, Chen AZ, Wu KCW. Nanoarchitectured Structure and Surface Biofunctionality of Mesoporous Silica Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1907035. [PMID: 32319133 DOI: 10.1002/adma.201907035] [Citation(s) in RCA: 248] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 05/19/2023]
Abstract
Mesoporous silica nanoparticles (MSNs), one of the important porous materials, have garnered interest owing to their highly attractive physicochemical features and advantageous morphological attributes. They are of particular importance for use in diverse fields including, but not limited to, adsorption, catalysis, and medicine. Despite their intrinsic stable siliceous frameworks, excellent mechanical strength, and optimal morphological attributes, pristine MSNs suffer from poor drug loading efficiency, as well as compatibility and degradability issues for therapeutic, diagnostic, and tissue engineering purposes. Collectively, the desirable and beneficial properties of MSNs have been harnessed by modifying the surface of the siliceous frameworks through incorporating supramolecular assemblies and various metal species, and through incorporating supramolecular assemblies and various metal species and their conjugates. Substantial advancements of these innovative colloidal inorganic nanocontainers drive researchers in promoting them toward innovative applications like stimuli (light/ultrasound/magnetic)-responsive delivery-associated therapies with exceptional performance in vivo. Here, a brief overview of the fabrication of siliceous frameworks, along with discussions on the significant advances in engineering of MSNs, is provided. The scope of the advancement in terms of structural and physicochemical attributes and their effects on biomedical applications with a particular focus on recent studies is emphasized. Finally, interesting perspectives are recapitulated, along with the scope toward clinical translation.
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Affiliation(s)
- Ranjith Kumar Kankala
- College of Chemical Engineering, Institute of Biomaterials and Tissue Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
| | - Ya-Hui Han
- College of Chemical Engineering, Institute of Biomaterials and Tissue Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
| | - Jongbeom Na
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, QLD, 4072, Australia
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Chia-Hung Lee
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, 97401, Taiwan
| | - Ziqi Sun
- Science and Engineering Faculty, Queensland University of Technology, 2 George St, Brisbane, QLD, 4000, Australia
| | - Shi-Bin Wang
- College of Chemical Engineering, Institute of Biomaterials and Tissue Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
| | - Tatsuo Kimura
- National Institute of Advanced Industrial Science and Technology (AIST), Nagoya, 463-8560, Japan
| | - Yong Sik Ok
- Korea Biochar Research Center, APRU Sustainable Waste Management & Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, South Korea
| | - Yusuke Yamauchi
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, QLD, 4072, Australia
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Ai-Zheng Chen
- College of Chemical Engineering, Institute of Biomaterials and Tissue Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, P. R. China
| | - Kevin C-W Wu
- Department of Chemical Engineering, National Taiwan University, Taipei, 10617, Taiwan
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16
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Moodley T, Singh M. Sterically Stabilised Polymeric Mesoporous Silica Nanoparticles Improve Doxorubicin Efficiency: Tailored Cancer Therapy. Molecules 2020; 25:E742. [PMID: 32046364 PMCID: PMC7037074 DOI: 10.3390/molecules25030742] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/01/2020] [Accepted: 02/05/2020] [Indexed: 01/05/2023] Open
Abstract
The fruition, commercialisation and clinical application combining nano-engineering, nanomedicine and material science for utilisation in drug delivery is becoming a reality. The successful integration of nanomaterial in nanotherapeutics requires their critical development to ensure physiological and biological compatibility. Mesoporous silica nanoparticles (MSNs) are attractive nanocarriers due to their biodegradable, biocompatible, and relative malleable porous frameworks that can be functionalized for enhanced targeting and delivery in a variety of disease models. The optimal formulation of an MSN with polyethylene glycol (2% and 5%) and chitosan was undertaken, to produce sterically stabilized, hydrophilic MSNs, capable of efficient loading and delivery of the hydrophobic anti-neoplastic drug, doxorubicin (DOX). The pH-sensitive release kinetics of DOX, together with the anticancer, apoptosis and cell-cycle activities of DOX-loaded MSNs in selected cancer cell lines were evaluated. MSNs of 36-60 nm in size, with a pore diameter of 9.8 nm, and a cumulative surface area of 710.36 m²/g were produced. The 2% pegylated MSN formulation (PCMSN) had the highest DOX loading capacity (0.98 mgdox/mgmsn), and a sustained release profile over 72 h. Pegylated-drug nanoconjugates were effective at a concentration range between 20-50 μg/mL, inducing apoptosis in cancer cells, and affirming their potential as effective drug delivery vehicles.
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Affiliation(s)
| | - Moganavelli Singh
- Nano-Gene and Drug Delivery Group, Discipline of Biochemistry, School of Life Sciences, University of Kwa-Zulu Natal, Private Bag X54001, Durban 4000, Kwa-Zulu Natal, South Africa;
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17
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Therapeutic Potential of Polymer-Coated Mesoporous Silica Nanoparticles. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app10010289] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Mesoporous silica nanoparticles (MSNs) find tremendous applications in drug delivery due to several advantages such as their easy fabrication process, high drug loading, biodegradability, biocompatibility, and so forth. Nevertheless, despite several advantages, the use of this striking drug delivery carrier is restricted due to premature drug release owing to the porous structure. Coating of the pores using polymers has emerged as a great solution to this problem. Polymer coatings, which act as gatekeepers, avoid the premature release of loaded content from MSNs and offers the opportunity for controlled and targeted drug delivery. Therefore, in this review, we have compiled the polymer-based coating approaches used in recent years for improving the drug delivery capability of MSNs. This manuscript provides an insight into the research about the potential of polymer-coated MSNs, allowing the selection of right polymer for coating purposes according to the desired application.
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Sakurai Y, Harashima H. Hyaluronan-modified nanoparticles for tumor-targeting. Expert Opin Drug Deliv 2019; 16:915-936. [DOI: 10.1080/17425247.2019.1645115] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yu Sakurai
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
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19
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Huang X, Wu B, Li J, Shang Y, Chen W, Nie X, Gui R. Anti-tumour effects of red blood cell membrane-camouflaged black phosphorous quantum dots combined with chemotherapy and anti-inflammatory therapy. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:968-979. [PMID: 30880468 DOI: 10.1080/21691401.2019.1584110] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Conventional anti-tumour chemotherapy is facing the challenges of poor specificity, high toxicity and drug resistance. Tumour microenvironment (TME) plays a critical role in tumour development and drug resistance. To address this problem, we constructed a novel anti-tumour nanoparticle platform RBC@BPQDs-DOX/KIR, black phosphorus nanoparticle quantum dots (BPQDs) with one of the chemotherapeutics (doxorubicin, DOX) and an anti-inflammatory traditional Chinese medicine active component (Kirenol, KIR). Red blood cell membrane (RBCm) vesicles were used as the shell to envelop several nanocores. The combination of DOX and KIR may promote therapeutic efficacy, at which the anti-apoptotic effect of the tumour cells was inhibited (by downregulating Bcl-2 and upregulating Bax) and the tumour progression-related inflammatory factors, such as tumour necrosis factor α (TNF-α) and interleukin-6 (IL-6) were downregulated. Furthermore, TME was remodelled and the anti-tumour effect of DOX was magnified. RBCm imparts high biocompatibility and enhanced permeability and retention (EPR) effects to RBC@BPQDs-DOX/KIR, thus enhancing its tumour passively targetability. Overall, the RBCm-camouflaged drug delivery system RBC@BPQDs-DOX/KIR as a promising therapy for targeted chemotherapeutics and anti-inflammatory therapeutics may provide a specific and highly efficient anti-tumour treatment choice.
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Affiliation(s)
- Xueyuan Huang
- a Department of Blood Transfusion , The Third Xiangya Hospital, Central South University , Changsha , China
| | - Bin Wu
- a Department of Blood Transfusion , The Third Xiangya Hospital, Central South University , Changsha , China.,b Department of Transfusion Medicine, Laboratory of Platelet and Endothelium Biology , Wuhan Hospital of Traditional Chinese and Western Medicine, Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Jian Li
- c Clinical Laboratory of the Third Xiangya Hospital, Central South University , Changsha , China
| | - Yinghui Shang
- a Department of Blood Transfusion , The Third Xiangya Hospital, Central South University , Changsha , China
| | - Wansong Chen
- d College of Chemistry and Chemical Engineering, Central South University , Changsha , China
| | - Xinming Nie
- c Clinical Laboratory of the Third Xiangya Hospital, Central South University , Changsha , China
| | - Rong Gui
- a Department of Blood Transfusion , The Third Xiangya Hospital, Central South University , Changsha , China
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20
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Moodley T, Singh M. Polymeric Mesoporous Silica Nanoparticles for Enhanced Delivery of 5-Fluorouracil In Vitro. Pharmaceutics 2019; 11:E288. [PMID: 31248179 PMCID: PMC6631493 DOI: 10.3390/pharmaceutics11060288] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 05/06/2019] [Accepted: 05/09/2019] [Indexed: 02/07/2023] Open
Abstract
There is a need for the improvement of conventional cancer treatment strategies by incorporation of targeted and non-invasive procedures aimed to reduce side-effects, drug resistance, and recurrent metastases. The anti-cancer drug, 5-fluorouracil (5-FU), is linked to a variety of induced-systemic toxicities due to its lack of specificity and potent administration regimens, necessitating the development of delivery vehicles that can enhance its therapeutic potential, while minimizing associated side-effects. Polymeric mesoporous silica nanoparticles (MSNs) have gained popularity as delivery vehicles due to their high loading capacities, biocompatibility, and good pharmacokinetics. MSNs produced in this study were functionalized with the biocompatible polymers, chitosan, and poly(ethylene)glycol to produce monodisperse NPs of 36-65 nm, with a large surface area of 710.36 m2/g, large pore volume, diameter spanning 9.8 nm, and a favorable zeta potential allowing for stability and enhanced uptake of 5-FU. Significant drug loading (0.15-0.18 mg5FU/mgmsn), controlled release profiles (15-65%) over 72 hours, and cell specific cytotoxicity in cancer cells (Caco-2, MCF-7, and HeLa) with reduced cell viability (≥50%) over the non-cancer (HEK293) cells were established. Overall, these 5FU-MSN formulations have been shown to be safe and effective delivery systems in vitro, with potential for in vivo applications.
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Affiliation(s)
- Thashini Moodley
- Nano-Gene and Drug Delivery Group, Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, KwaZulu-Natal, South Africa.
| | - Moganavelli Singh
- Nano-Gene and Drug Delivery Group, Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, KwaZulu-Natal, South Africa.
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21
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Penkauskas T, Preta G. Biological applications of tethered bilayer lipid membranes. Biochimie 2019; 157:131-141. [DOI: 10.1016/j.biochi.2018.11.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 11/19/2018] [Indexed: 12/16/2022]
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22
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To reduce premature drug release while ensuring burst intracellular drug release of solid lipid nanoparticle-based drug delivery system with clathrin modification. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 15:108-118. [DOI: 10.1016/j.nano.2018.05.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/13/2018] [Accepted: 05/20/2018] [Indexed: 12/12/2022]
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23
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Liu W, Zhu Y, Wang F, Li X, Liu X, Pang J, Pan W. Galactosylated chitosan-functionalized mesoporous silica nanoparticles for efficient colon cancer cell-targeted drug delivery. ROYAL SOCIETY OPEN SCIENCE 2018; 5:181027. [PMID: 30662725 PMCID: PMC6304116 DOI: 10.1098/rsos.181027] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/25/2018] [Indexed: 05/03/2023]
Abstract
Targeted drug delivery to colon cancer cells can significantly enhance the therapeutic efficiency. Herein, we developed 5-fluorouracil (5-FU)-loaded amino-functionalized mesoporous silica nanoparticle (MSN-NH2)-based galactosylated chitosans (GCs), which are galactose receptor-mediated materials for colon-specific drug delivery systems. Both unmodified and functionalized nanoparticles were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, nitrogen sorption and dynamic light scattering. Drug loading capacity and drug release properties were determined by ultraviolet spectrophotometry. 5-FU@MSN-NH2/GC showed high loading capacity and possessed much higher cytotoxicity on human colon cancer cells (SW620 cells) than 5-FU@MSN-NH2 and free 5-FU. But, MSN-NH2/GC did not show significant cytotoxicity. Subsequently, 5-FU@MSN-NH2/GC anti-cancer activity on SW620 cells in vitro was confirmed by cell apoptosis. These results are consistent with the cellular uptake test in which MSN-NH2/GC could specifically recognize and bind to cancer cells by the galectin-receptor recognition. But, it is found that pre-addition of galactose in the medium, leading to competitive binding to the galectin receptor of SW620 cells, resulted in a decrease in the binding of MSN-NH2/GC to the galectin receptor. The results demonstrated the inorganic-organic nanocomposite could be used as a promising drug delivery carrier for the targeted delivery of drug into galectin-positive colon cancer cells to improve therapeutic index while reducing side effects.
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Affiliation(s)
- Wei Liu
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, People's Republic of China
- Department of Pharmaceutics, School of Pharmacy, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, People's Republic of China
| | - Yongchao Zhu
- Department of Pharmaceutics, School of Pharmacy, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, People's Republic of China
| | - Fan Wang
- Department of Pharmaceutics, School of Pharmacy, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, People's Republic of China
| | - Xue Li
- Department of Pharmaceutics, School of Pharmacy, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, People's Republic of China
| | - Xiaojing Liu
- Department of Pharmaceutics, School of Pharmacy, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, People's Republic of China
| | - Jingjing Pang
- Department of Pharmaceutics, School of Pharmacy, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, People's Republic of China
| | - Weisan Pan
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, People's Republic of China
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