1
|
Bhattacharyya S, Ghosh H, Covarrubias-Zambrano O, Jain K, Swamy KV, Kasi A, Hamza A, Anant S, VanSaun M, Weir SJ, Bossmann SH, Padhye SB, Dandawate P. Anticancer Activity of Novel Difluorinated Curcumin Analog and Its Inclusion Complex with 2-Hydroxypropyl-β-Cyclodextrin against Pancreatic Cancer. Int J Mol Sci 2023; 24:ijms24076336. [PMID: 37047307 PMCID: PMC10093935 DOI: 10.3390/ijms24076336] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/14/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is the primary reason for cancer-related deaths in the US. Genetic mutations, drug resistance, the involvement of multiple signaling pathways, cancer stem cells (CSCs), and desmoplastic stroma, which hinders drug penetrance, contribute to poor chemotherapeutic efficacy. Hence, there is a need to identify novel drugs with improved delivery to improve treatment outcomes. Curcumin is one such compound that can inhibit multiple signaling pathways and CSCs. However, curcumin’s clinical applicability for treating PDAC is limited because of its poor solubility in water and metabolic instability. Hence, we developed a difluorinated curcumin (CDF) analog that accumulates selectively in the pancreas and inhibits PDAC growth in vitro and in vivo. In the present work, we developed its 2-hydroxy-propyl-β-cyclodextrin (HCD) inclusion complex to increase its water solubility and hydrolytic stability. The CDFHCD inclusion complex was characterized by spectroscopic, thermal, and microscopic techniques. The inclusion complex exhibited increased aqueous solubility, hydrolytic stability, and antiproliferative activity compared to parent CDF. Moreover, CDF and CDFHCD inhibited colony and spheroid formation, and induced cell cycle and apoptosis in PDAC cell lines. Hence, CDFHCD self-assembly is an efficient approach to increase water solubility and anticancer therapeutic efficacy, which now warrants advancement towards a clinical proof of concept in PDAC patients.
Collapse
Affiliation(s)
- Sangita Bhattacharyya
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Hindole Ghosh
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | | | - Krishan Jain
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - K. Venkateswara Swamy
- MIT School of Bioengineering, Sciences & Research, MIT Art, Design and Technology University, Pune 412201, India
| | - Anup Kasi
- Division of Medical Oncology, University of Kansas, Kansas City, KS 66160, USA
| | - Ameer Hamza
- Pathology and Laboratory Medicine, University of Kansas, Kansas City, KS 66160, USA
| | - Shrikant Anant
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Michael VanSaun
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Scott J. Weir
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
- Division of Medical Oncology, University of Kansas, Kansas City, KS 66160, USA
- Institute for Advancing Medical Innovation, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Stefan H. Bossmann
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Subhash B. Padhye
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
- Interdisciplinary Science & Technology Research Academy (ISTRA), Azam Campus, University of Pune, Pune 411001, India
| | - Prasad Dandawate
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66103, USA
- Correspondence: ; Tel.: +1-913-945-6336
| |
Collapse
|
2
|
Craparo EF, Cabibbo M, Scialabba C, Giammona G, Cavallaro G. Inhalable Formulation Based on Lipid-Polymer Hybrid Nanoparticles for the Macrophage Targeted Delivery of Roflumilast. Biomacromolecules 2022; 23:3439-3451. [PMID: 35899612 PMCID: PMC9364311 DOI: 10.1021/acs.biomac.2c00576] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Here, novel lipid–polymer hybrid nanoparticles
(LPHNPs),
targeted to lung macrophages, were realized as potential carriers
for Roflumilast administration in the management of chronic obstructive
pulmonary disease (COPD). To achieve this, Roflumilast-loaded fluorescent
polymeric nanoparticles, based on a polyaspartamide-polycaprolactone
graft copolymer, and lipid vesicles, made from 1,2-dipalmitoyl-sn-glycero-3-phosphocholine and 1,2-distearoyl-sn-glycero-phosphoethanolamine-N-(polyethylene glycol)-mannose,
were properly combined using a two-step method, successfully obtaining
Roflumilast-loaded hybrid fluorescent nanoparticles (Man-LPHFNPs@Roflumilast).
These exhibit colloidal size and a negative ζ potential, 50
wt % phospholipids, and a core–shell-type morphology; they
slowly release the entrapped drug in a simulated physiological fluid.
The surface analysis also demonstrated their high surface PEG density,
which confers mucus-penetrating properties. Man-LPHFNPs@Roflumilast
show high cytocompatibility toward human bronchial epithelium cells
and macrophages and are uptaken by the latter through an active mannose-mediated
targeting process. To achieve an inhalable formulation, the nano-into-micro
strategy was applied, encapsulating Man-LPHFNPs@Roflumilast in poly(vinyl
alcohol)/leucine-based microparticles by spray-drying.
Collapse
Affiliation(s)
- Emanuela F Craparo
- Lab of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo 90123, Italy.,Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM) of Palermo, Palermo, Italy
| | - Marta Cabibbo
- Lab of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo 90123, Italy
| | - Cinzia Scialabba
- Lab of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo 90123, Italy
| | - Gaetano Giammona
- Lab of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo 90123, Italy.,Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM) of Palermo, Palermo, Italy
| | - Gennara Cavallaro
- Lab of Biocompatible Polymers, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo 90123, Italy.,Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM) of Palermo, Palermo, Italy.,Advanced Technology and Network Center (ATeN Center), Università di Palermo, Palermo 90133, Italy
| |
Collapse
|
3
|
Novel dual-flow perfusion bioreactor for in vitro pre-screening of nanoparticles delivery: design, characterization and testing. Bioprocess Biosyst Eng 2021; 44:2361-2374. [PMID: 34304344 DOI: 10.1007/s00449-021-02609-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/26/2021] [Indexed: 10/20/2022]
Abstract
An advanced dual-flow perfusion bioreactor with a simple and compact design was developed and evaluated as a potential apparatus to reduce the gap between animal testing and drug administration to human subjects in clinical trials. All the experimental tests were carried out using an ad hoc Poly Lactic Acid (PLLA) scaffold synthesized via Thermally Induced Phase Separation (TIPS). The bioreactor shows a tunable radial flow throughout the microporous matrix of the scaffold. The radial perfusion was quantified both with permeability tests and with a mathematical model, applying a combination of Darcy's Theory, Bernoulli's Equation, and Poiseuille's Law. Finally, a diffusion test allowed to investigate the efficacy of the radial flow using Polymeric Fluorescent Nanoparticles (FNPs) mimicking drug/colloidal carriers. These tests confirmed the ability of our bioreactor to create a uniform distribution of particles inside porous matrices. All the findings candidate our system as a potential tool for drug pre-screening testing with a cost and time reduction over animal models.
Collapse
|
4
|
Kermanian M, Sadighian S, Ramazani A, Naghibi M, Khoshkam M, Ghezelbash P. Inulin-Coated Iron Oxide Nanoparticles: A Theranostic Platform for Contrast-Enhanced MR Imaging of Acute Hepatic Failure. ACS Biomater Sci Eng 2021; 7:2701-2715. [PMID: 34061500 DOI: 10.1021/acsbiomaterials.0c01792] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The present study introduces a superparamagnetic nanocomposite, Fe-Si-In, as a T2 magnetic resonance imaging (MRI) contrast agent with a core of iron oxide nanoparticles and a nonporous silica inner shell/carboxymethyl inulin outer shell. Due to its core/shell properties, the structure characterization, biocompatibility, and performance in MRI, as well as its potential as a drug delivery system, were thoroughly evaluated. The results have shown that the synthesized nanocomposite possesses excellent biocompatibility and acceptable magnetization (Ms = 20 emu g-1). It also has the potential to be a nanocarrier for drug delivery purposes, as evidenced by the results of curcumin administration studies. The developed nanocomposite has shown excellent performance in MRI, while the in vitro relaxivity measurements reveal a stronger T2 relaxivity (r2 = 223.2 ms) compared to the commercial samples available in the market. Furthermore, the in vivo MRI studies demonstrate an excellent contrast between injured livers and normal ones in rats which again upholds the high performance of Fe-Si-In in MRI diagnostics.
Collapse
Affiliation(s)
- Mehraneh Kermanian
- Department of Pharmaceutical Biomaterials, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran.,Zanjan Pharmaceutical Nanotechnology Research Center, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran
| | - Somayeh Sadighian
- Department of Pharmaceutical Biomaterials, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran.,Zanjan Pharmaceutical Nanotechnology Research Center, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran.,Cancer Gene Therapy Research Center, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran
| | - Ali Ramazani
- Cancer Gene Therapy Research Center, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran
| | - Mehran Naghibi
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz 516615731, Iran
| | - Maryam Khoshkam
- Applied Chemistry Department, Faculty of Science, University of Mohaghegh Ardabili, Ardabil 1136756199, Iran
| | - Parviz Ghezelbash
- Department of Radiology, School of Medicine, Zanjan University of Medical Sciences, Zanjan 4513956184, Iran
| |
Collapse
|
5
|
Perrone F, Craparo EF, Cemazar M, Kamensek U, Drago SE, Dapas B, Scaggiante B, Zanconati F, Bonazza D, Grassi M, Truong N, Pozzato G, Farra R, Cavallaro G, Grassi G. Targeted delivery of siRNAs against hepatocellular carcinoma-related genes by a galactosylated polyaspartamide copolymer. J Control Release 2021; 330:1132-1151. [PMID: 33212117 DOI: 10.1016/j.jconrel.2020.11.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 02/08/2023]
Abstract
Given the lack of effective treatments for Hepatocellular carcinoma (HCC), the development of novel therapeutic approaches is very urgent. Here, siRNAs were delivered to HCC cells by a synthetic polymer containing α,β-poly-(N-2-hydroxyethyl)-D,L-aspartamide-(PHEA) derivatized with diethylene triamine (DETA) and bearing in the side chain galactose (GAL) linked via a polyethylene glycol (PEG) to obtain (PHEA-DETA-PEG-GAL, PDPG). The GAL residue allows the targeting to the asialo-glycoprotein receptor (ASGPR), overexpressed in HCC cells compared to normal hepatocytes. Uptake studies performed using a model siRNA or a siRNA targeted against the enhanced green fluorescence protein, demonstrated the PDPG specific delivery of siRNA to HuH7 cells, a human cellular model of HCC. GAL-free copolymer (PHEA-DETA-PEG-NH2, PDP) or the chemical block of ASGPR, impaired PDPG targeting effectiveness in vitro. The specificity of PDPG delivery was confirmed in vivo in a mouse dorsal skinfold window chamber assay. Functional studies using siRNAs targeting the mRNAs of HCC-related genes (eEF1A1, eEF1A2 and E2F1) delivered by PDPG, significantly decreased HuH7 vitality/number and down regulated the expression of the target genes. Only minor effectiveness was in contrast observed for PDP. In IHH, a human model of normal hepatocytes with reduced ASGPR expression, PDPG barely reduced cell vitality. In a subcutaneous xenograft mouse model of HCC, PDPG-siRNAs reduced HCC tumor growth compared to controls without significant toxic effects. In conclusion, our study demonstrates the valuable potentials of PDPG for the specific delivery of siRNAs targeting HCC-related genes.
Collapse
Affiliation(s)
- Francesca Perrone
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, Trieste I-34149, Italy
| | - Emanuela Fabiola Craparo
- Department of Scienze e Tecnologie Biologiche, Chimiche, Farmaceutiche (STEBICEF), Lab of Biocompatible Polymers, University of Palermo, via Archirafi 32, Palermo 90123, Italy
| | - Maja Cemazar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana SI-1000, Slovenia; Faculty of Health Sciences, University of Primorska, Polje 42, SI-, Izola 6310, Slovenia
| | - Urska Kamensek
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, Ljubljana SI-1000, Slovenia
| | - Salvatore Emanuele Drago
- Department of Scienze e Tecnologie Biologiche, Chimiche, Farmaceutiche (STEBICEF), Lab of Biocompatible Polymers, University of Palermo, via Archirafi 32, Palermo 90123, Italy
| | - Barbara Dapas
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, Trieste I-34149, Italy
| | - Bruna Scaggiante
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, Trieste I-34149, Italy
| | - Fabrizio Zanconati
- Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital, Strada di Fiume, Trieste 447, Italy
| | - Debora Bonazza
- Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital, Strada di Fiume, Trieste 447, Italy
| | - Mario Grassi
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/A, Trieste I 34127, Italy
| | - Nhung Truong
- Stem Cell Research and Application Laboratory - VNUHCM - University of Science, Ho Chi Minh city, Viet Nam
| | - Gabriele Pozzato
- Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital, Strada di Fiume, Trieste 447, Italy
| | - Rossella Farra
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, Trieste I-34149, Italy.
| | - Gennara Cavallaro
- Department of Scienze e Tecnologie Biologiche, Chimiche, Farmaceutiche (STEBICEF), Lab of Biocompatible Polymers, University of Palermo, via Archirafi 32, Palermo 90123, Italy.
| | - Gabriele Grassi
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, Trieste I-34149, Italy; Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital, Strada di Fiume, Trieste 447, Italy
| |
Collapse
|
6
|
|
7
|
Craparo EF, Drago SE, Giammona G, Cavallaro G. Production of polymeric micro- and nanostructures with tunable properties as pharmaceutical delivery systems. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122596] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
|
8
|
K.S. J, Jose J, Li T, Thomas M, Shankregowda AM, Sreekumaran S, Kalarikkal N, Thomas S. Application of novel zinc oxide reinforced xanthan gum hybrid system for edible coatings. Int J Biol Macromol 2020; 151:806-813. [DOI: 10.1016/j.ijbiomac.2020.02.085] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/31/2020] [Accepted: 02/08/2020] [Indexed: 10/25/2022]
|
9
|
Sardo C, Di Domenico EG, Porsio B, De Rocco D, Santucci R, Ascenzioni F, Giammona G, Cavallaro G. Nanometric ion pair complexes of tobramycin forming microparticles for the treatment of Pseudomonas aeruginosa infections in cystic fibrosis. Int J Pharm 2019; 563:347-357. [PMID: 30935918 DOI: 10.1016/j.ijpharm.2019.03.060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/26/2019] [Accepted: 03/28/2019] [Indexed: 12/18/2022]
Abstract
Sustained pulmonary delivery of tobramycin from microparticles composed of drug/polymer nanocomplexes offers several advantages against traditional delivery methods. Namely, in patients with cystic fibrosis, microparticle delivery can protect the tobramycin being delivered from strong mucoadhesive interactions, thus avoiding effects on its diffusion toward the infection site. Polymeric ion-pair complexes were obtained starting from two synthetic polyanions, through impregnation of their solid dissociated forms with tobramycin in aqueous solution. The structure of these polymeric systems was characterized, and their activities were examined against various biofilm-forming Pseudomonas aeruginosa. Once dried, the nanocomplexes can change their aggregation state, to form microparticle-based aggregates with a spherical shape and a micrometer size. In aqueous dispersions, the ion-pair complexes produced had nanometric size, negative ζ potential, and high biocompatibility toward human bronchial epithelium cells. The antibiofilm activity of these formulations was more efficient than for free tobramycin, with the antibiofilm activity against P. aeruginosa mucoid and nonmucoid end-stage strains isolated from cystic fibrosis lungs being of particular relevance.
Collapse
Affiliation(s)
- Carla Sardo
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Enea Gino Di Domenico
- Department of Clinical Pathology and Microbiology, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi, 53, 00144 Rome, Italy
| | - Barbara Porsio
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Davide De Rocco
- Department of Biology and Biotechnology C. Darwin, University of Rome Sapienza, Via dei Sardi 70, 00161 Rome, Italy
| | - Roberto Santucci
- Department of Biology and Biotechnology C. Darwin, University of Rome Sapienza, Via dei Sardi 70, 00161 Rome, Italy
| | - Fiorentina Ascenzioni
- Department of Biology and Biotechnology C. Darwin, University of Rome Sapienza, Via dei Sardi 70, 00161 Rome, Italy.
| | - Gaetano Giammona
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Gennara Cavallaro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy.
| |
Collapse
|
10
|
Zhang G, Jiang X. Temperature Responsive Nanoparticles Based on PEGylated Polyaspartamide Derivatives for Drug Delivery. Polymers (Basel) 2019; 11:E316. [PMID: 30960299 PMCID: PMC6419189 DOI: 10.3390/polym11020316] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 02/09/2019] [Accepted: 02/11/2019] [Indexed: 12/15/2022] Open
Abstract
The temperature responsive PEGylated polyaspartamide derivative, denoted as mPEG-PAAHP, was synthesized by the click reaction. FTIR and ¹H NMR were adopted to characterize and confirm the chemical structures of the obtained mPEG-PAAHPs. The temperature responsive behavior investigated by transmittance and dynamic light scattering showed that some of the obtained mPEG-PAAHPs exhibited obvious temperature responsiveness and could be used to prepare nanoparticles by quickly heating. Drug paclitaxel can be encapsulated into mPEG-PAAHP based nanoparticles with a high encapsulation efficiency up to 99% (corresponding to a drug loading content of around 9.9%). Dynamic light scattering results showed that the PTX-loaded nanoparticles had a mean size around 80 nm (PDI<0.2) and good stability in PBS with 150 mM ionic strength. In vitro cytotoxicity results showed that mPEG-PAAHP did not show any toxicity to HeLa cells, but the PTX-loaded nanoparticles based on mPEG-PAAHP exhibited obvious anti-cancer activity. Thus, the temperature responsive PEGylated polyaspartamide derivative mPEG-PAAHP may be a promising drug delivery system.
Collapse
Affiliation(s)
- Guangyan Zhang
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan 430068, China.
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China.
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, China.
| |
Collapse
|
11
|
Lim C, Cho EB, Kim D. pH-triggered intracellular release of doxorubicin from polyaspartamide-encapsulated mesoporous silica nanoparticles. KOREAN J CHEM ENG 2018. [DOI: 10.1007/s11814-018-0185-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
12
|
Kim S, Traore YL, Chen Y, Ho EA, Liu S. Switchable On-Demand Release of a Nanocarrier from a Segmented Reservoir Type Intravaginal Ring Filled with a pH-Responsive Supramolecular Polyurethane Hydrogel. ACS APPLIED BIO MATERIALS 2018; 1:652-662. [DOI: 10.1021/acsabm.8b00146] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Seungil Kim
- Biomedical Engineering, Faculty of Engineering, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
| | - Yannick Leandre Traore
- Laboratory for Drug Delivery and Biomaterials, School of Pharmacy, University of Waterloo, Kitchener, Ontario N2G 1C5, Canada
| | - Yufei Chen
- Laboratory for Drug Delivery and Biomaterials, School of Pharmacy, University of Waterloo, Kitchener, Ontario N2G 1C5, Canada
| | - Emmanuel A. Ho
- Laboratory for Drug Delivery and Biomaterials, School of Pharmacy, University of Waterloo, Kitchener, Ontario N2G 1C5, Canada
| | - Song Liu
- Biomedical Engineering, Faculty of Engineering, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
- Department of Biosystems Engineering, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
| |
Collapse
|
13
|
Lv S, Wu Y, Cai K, He H, Li Y, Lan M, Chen X, Cheng J, Yin L. High Drug Loading and Sub-Quantitative Loading Efficiency of Polymeric Micelles Driven by Donor–Receptor Coordination Interactions. J Am Chem Soc 2018; 140:1235-1238. [DOI: 10.1021/jacs.7b12776] [Citation(s) in RCA: 185] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Shixian Lv
- Jiangsu
Key Laboratory for Carbon-Based Functional Materials and Devices,
Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative
Innovation Center of Suzhou Nano Science and Technology, Joint International
Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
- Department
of Materials Science and Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Yuchen Wu
- Jiangsu
Key Laboratory for Carbon-Based Functional Materials and Devices,
Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative
Innovation Center of Suzhou Nano Science and Technology, Joint International
Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Kaimin Cai
- Department
of Materials Science and Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Hua He
- Jiangsu
Key Laboratory for Carbon-Based Functional Materials and Devices,
Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative
Innovation Center of Suzhou Nano Science and Technology, Joint International
Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Yongjuan Li
- Jiangsu
Key Laboratory for Carbon-Based Functional Materials and Devices,
Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative
Innovation Center of Suzhou Nano Science and Technology, Joint International
Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Min Lan
- Jiangsu
Key Laboratory for Carbon-Based Functional Materials and Devices,
Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative
Innovation Center of Suzhou Nano Science and Technology, Joint International
Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Xuesi Chen
- Key
Laboratory of Polymer Ecomaterials, Changchun Institute of Applied
Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Jianjun Cheng
- Department
of Materials Science and Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
| | - Lichen Yin
- Jiangsu
Key Laboratory for Carbon-Based Functional Materials and Devices,
Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative
Innovation Center of Suzhou Nano Science and Technology, Joint International
Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| |
Collapse
|
14
|
Craparo EF, D'Apolito R, Giammona G, Cavallaro G, Tomaiuolo G. Margination of Fluorescent Polylactic Acid-Polyaspartamide based Nanoparticles in Microcapillaries In Vitro: the Effect of Hematocrit and Pressure. Molecules 2017; 22:molecules22111845. [PMID: 29143777 PMCID: PMC6150309 DOI: 10.3390/molecules22111845] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 10/27/2017] [Accepted: 10/27/2017] [Indexed: 12/03/2022] Open
Abstract
The last decade has seen the emergence of vascular-targeted drug delivery systems as a promising approach for the treatment of many diseases, such as cardiovascular diseases and cancer. In this field, one of the major challenges is carrier margination propensity (i.e., particle migration from blood flow to vessel walls); indeed, binding of these particles to targeted cells and tissues is only possible if there is direct carrier–wall interaction. Here, a microfluidic system mimicking the hydrodynamic conditions of human microcirculation in vitro is used to investigate the effect of red blood cells (RBCs) on a carrier margination in relation to RBC concentration (hematocrit) and pressure drop. As model drug carriers, fluorescent polymeric nanoparticles (FNPs) were chosen, which were obtained by using as starting material a pegylated polylactic acid–polyaspartamide copolymer. The latter was synthesized by derivatization of α,β-poly(N-2-hydroxyethyl)-d,l-aspartamide (PHEA) with Rhodamine (RhB), polylactic acid (PLA) and then poly(ethyleneglycol) (PEG) chains. It was found that the carrier concentration near the wall increases with increasing pressure drop, independently of RBC concentration, and that the tendency for FNP margination decreases with increasing hematocrit. This work highlights the importance of taking into account RBC–drug carrier interactions and physiological conditions in microcirculation when planning a drug delivery strategy based on systemically administered carriers.
Collapse
Affiliation(s)
- Emanuela Fabiola Craparo
- Laboratory of Biocompatible Polymers, Dipartimento di Scienze e Tecnologie, Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo-via Archirafi, 32-90123 Palermo, Italy.
| | - Rosa D'Apolito
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, P.le V. Tecchio 80, 80125 Napoli, Italy.
| | - Gaetano Giammona
- Laboratory of Biocompatible Polymers, Dipartimento di Scienze e Tecnologie, Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo-via Archirafi, 32-90123 Palermo, Italy.
- IBF-CNR, 90143 Palermo, Italy.
- Mediterranean Center for Human Health Advanced Biotechnologies (CHAB), ATeNCenter, University of Palermo, 90100 Palermo, Italy.
| | - Gennara Cavallaro
- Laboratory of Biocompatible Polymers, Dipartimento di Scienze e Tecnologie, Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo-via Archirafi, 32-90123 Palermo, Italy.
| | - Giovanna Tomaiuolo
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, P.le V. Tecchio 80, 80125 Napoli, Italy.
- CEINGE Biotecnologie avanzate, Via Gaetano Salvatore 486, 80145 Napoli, Italy.
| |
Collapse
|
15
|
Rao KSVK, Zhong Q, Bielski ER, da Rocha SRP. Nanoparticles of pH-Responsive, PEG–Doxorubicin Conjugates: Interaction with an in Vitro Model of Lung Adenocarcinoma and Their Direct Formulation in Propellant-Based Portable Inhalers. Mol Pharm 2017; 14:3866-3878. [DOI: 10.1021/acs.molpharmaceut.7b00584] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- K. S. V. Krishna Rao
- Polymer
Biomaterial Design and Synthesis Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa 516003, Andhra Pradesh, India
- Department
of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, United States
| | - Qian Zhong
- Department
of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, United States
- Pharmaceutics
and Chemical and Life Science Engineering, Virginia Commonwealth University, 410 North 12th Street, Richmond, Virginia 23298, United States
| | - Elizabeth R. Bielski
- Department
of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, United States
- Pharmaceutics
and Chemical and Life Science Engineering, Virginia Commonwealth University, 410 North 12th Street, Richmond, Virginia 23298, United States
| | - Sandro R. P. da Rocha
- Department
of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, United States
- Pharmaceutics
and Chemical and Life Science Engineering, Virginia Commonwealth University, 410 North 12th Street, Richmond, Virginia 23298, United States
| |
Collapse
|
16
|
Shivhare K, Garg C, Priyam A, Gupta A, Sharma AK, Kumar P. Enzyme sensitive smart inulin-dehydropeptide conjugate self-assembles into nanostructures useful for targeted delivery of ornidazole. Int J Biol Macromol 2017; 106:775-783. [PMID: 28818724 DOI: 10.1016/j.ijbiomac.2017.08.071] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 08/09/2017] [Accepted: 08/10/2017] [Indexed: 01/14/2023]
Abstract
Molecular self-assembly of biodegradable amphiphilic polymers allows rational design of biocompatible nanomaterials for drug delivery. Use of substituted polysaccharides for such applications offers the ease of design and synthesis, and provides higher biofunctionality and biocompatibility to nanomaterials. The present work focuses on the synthesis, characterization and potential biomedical applications of self-assembled polysaccharide-based materials. We demonstrated that the synthesized amphiphilic inulin self-assembled in aqueous medium into nanostructures with average size in the range of 146-486nm and encapsulated hydrophobic therapeutic molecule, ornidazole. Hydrophophic dehydropeptide was conjugated with inulin via a biocompatible ester linkage. Dehydrophenylalanine, an unusual amino acid, was incorporated in the peptide to make it stable at a broader range of pH as well as against proteases. The resulting core-shell type of nanostructures could encapsulate ornidazole in the hydrophobic core and released it in a controlled fashion. By taking the advantage of inulin, which gets degraded in the colon by colonic bacteria, the effect of enzyme, inulinase, present in the microflora of the large intestine, on inulin-peptide degradation followed by drug release has been studied. Altogether, small peptide conjugated to inulin offers novel scaffold for the future design of nanostructures with potential applications in the field of targeted drug delivery.
Collapse
Affiliation(s)
- Kriti Shivhare
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Charu Garg
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India; Department of Chemistry, Dyal Singh College, University of Delhi, Lodhi Road, New Delhi 110003, India
| | - Ayushi Priyam
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Alka Gupta
- Department of Chemistry, Dyal Singh College, University of Delhi, Lodhi Road, New Delhi 110003, India
| | - Ashwani Kumar Sharma
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India.
| | - Pradeep Kumar
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India.
| |
Collapse
|
17
|
Polyaspartamide-Based Nanoparticles Loaded with Fluticasone Propionate and the In Vitro Evaluation towards Cigarette Smoke Effects. NANOMATERIALS 2017; 7:nano7080222. [PMID: 28805713 PMCID: PMC5575704 DOI: 10.3390/nano7080222] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 08/04/2017] [Accepted: 08/10/2017] [Indexed: 12/18/2022]
Abstract
This paper describes the evaluation of polymeric nanoparticles (NPs) as a potential carrier for lung administration of fluticasone propionate (FP). The chosen polymeric material to produce NPs was a copolymer based on α,β-poly(N-2-hydroxyethyl)-d,l-aspartamide (PHEA) whose backbone was derivatised with different molecules, such as poly(lactic acid) (PLA) and polyethylenglycol (PEG). The chosen method to produce NPs from PHEA-PLA-PEG2000 was the method based on high-pressure homogenization and subsequent solvent evaporation by adding Pluronic F68 during the process and trehalose before lyophilisation. Obtained colloidal FP-loaded NPs showed a slightly negative surface charge and nanometric dimensions that are maintained after storage for one year at −20 °C and 5 °C. The FP loading was about 2.9 wt % and the drug was slowly released in simulated lung fluid. Moreover, the obtained NPs, containing the drug or not, were biocompatible and did not induce cell necrosis and cell apoptosis on bronchial epithelial cells (16-HBE). Further in vitro testing on cigarette smoke extract (CSE)-stimulated 16-HBE revealed that FP-loaded NPs were able to reduce the survivin expression, while either free FP or empty NPs were not able to significantly reduce this effect.
Collapse
|
18
|
Cavallaro G, Farra R, Craparo EF, Sardo C, Porsio B, Giammona G, Perrone F, Grassi M, Pozzato G, Grassi G, Dapas B. Galactosylated polyaspartamide copolymers for siRNA targeted delivery to hepatocellular carcinoma cells. Int J Pharm 2017; 525:397-406. [DOI: 10.1016/j.ijpharm.2017.01.034] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 12/23/2016] [Accepted: 01/16/2017] [Indexed: 02/07/2023]
|
19
|
Triolo D, Craparo E, Porsio B, Fiorica C, Giammona G, Cavallaro G. Polymeric drug delivery micelle-like nanocarriers for pulmonary administration of beclomethasone dipropionate. Colloids Surf B Biointerfaces 2017; 151:206-214. [DOI: 10.1016/j.colsurfb.2016.11.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 10/10/2016] [Accepted: 11/21/2016] [Indexed: 10/20/2022]
|
20
|
Bui QT, Jeon YS, Kim J, Kim JH. Stabilized polymeric nanoparticle from amphiphilic mPEG-b-polyaspartamides containing ‘click’ functional groups. INT J POLYM MATER PO 2017. [DOI: 10.1080/00914037.2016.1263957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Quang Tri Bui
- School of Chemical Engineering, Sungkyunkwan University, Suwon, South Korea
| | - Young Sil Jeon
- School of Chemical Engineering, Sungkyunkwan University, Suwon, South Korea
| | - Jaeyun Kim
- School of Chemical Engineering, Sungkyunkwan University, Suwon, South Korea
| | - Ji-Heung Kim
- School of Chemical Engineering, Sungkyunkwan University, Suwon, South Korea
| |
Collapse
|
21
|
Craparo E, Di Gioia S, Trapani A, Cellamare S, Belgiovine G, Mandracchia D, Giammona G, Cavallaro G, Conese M. Realization of polyaspartamide-based nanoparticles and in vivo lung biodistribution evaluation of a loaded glucocorticoid after aerosolization in mice. Int J Pharm 2016; 510:263-70. [DOI: 10.1016/j.ijpharm.2016.06.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 06/13/2016] [Accepted: 06/16/2016] [Indexed: 10/21/2022]
|
22
|
|
23
|
Craparo EF, Porsio B, Sardo C, Giammona G, Cavallaro G. Pegylated Polyaspartamide-Polylactide-Based Nanoparticles Penetrating Cystic Fibrosis Artificial Mucus. Biomacromolecules 2016; 17:767-77. [PMID: 26866983 DOI: 10.1021/acs.biomac.5b01480] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Here, the preparation of mucus-penetrating nanoparticles for pulmonary administration of ibuprofen in patients with cystic fibrosis is described. A fluorescent derivative of α,β-poly(N-2-hydroxyethyl)-D,L-aspartamide is synthesized by derivatization with rhodamine, polylactide, and poly(ethylene glycol), to obtain polyaspartamide-polylactide derivatives with different degrees of pegylation. Starting from these copolymers, fluorescent nanoparticles with different poly(ethylene glycol) content, empty and loaded with ibuprofen, showed spherical shape, colloidal size, slightly negative ζ potential, and biocompatibility toward human bronchial epithelial cells. The high surface poly(ethylene glycol) density of fluorescent nanoparticles and poly(ethylene glycol) brush-like conformation assumed on their surface, conferred to pegylated nanoparticles the mucus-penetrating properties, properly demonstrated by assessing their ability to avoid interactions with mucus components and to penetrate cystic fibrosis artificial mucus. Finally, ibuprofen release profile and uptake capacity within human bronchial epithelial cells in the presence of cystic fibrosis artificial mucus showed how these mucus-penetrating nanoparticles could rapidly diffuse through the mucus barrier reaching the mucosal surface, where they could offer a sustained delivery of ibuprofen at the site of disease.
Collapse
Affiliation(s)
- Emanuela Fabiola Craparo
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo , Via Archirafi 32, 90123 Palermo, Italy
| | - Barbara Porsio
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo , Via Archirafi 32, 90123 Palermo, Italy
| | - Carla Sardo
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo , Via Archirafi 32, 90123 Palermo, Italy
| | - Gaetano Giammona
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo , Via Archirafi 32, 90123 Palermo, Italy
| | - Gennara Cavallaro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo , Via Archirafi 32, 90123 Palermo, Italy
| |
Collapse
|
24
|
PHEA–PLA biocompatible nanoparticles by technique of solvent evaporation from multiple emulsions. Int J Pharm 2015; 495:719-27. [DOI: 10.1016/j.ijpharm.2015.09.050] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 09/19/2015] [Accepted: 09/22/2015] [Indexed: 12/31/2022]
|
25
|
Evaluation of biodegradability on polyaspartamide-polylactic acid based nanoparticles by chemical hydrolysis studies. Polym Degrad Stab 2015. [DOI: 10.1016/j.polymdegradstab.2015.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
|
26
|
Craparo EF, Licciardi M, Conigliaro A, Palumbo FS, Giammona G, Alessandro R, De Leo G, Cavallaro G. Hepatocyte-targeted fluorescent nanoparticles based on a polyaspartamide for potential theranostic applications. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.06.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
27
|
Craparo EF, Porsio B, Mauro N, Giammona G, Cavallaro G. Polyaspartamide-Polylactide Graft Copolymers with Tunable Properties for the Realization of Fluorescent Nanoparticles for Imaging. Macromol Rapid Commun 2015; 36:1409-15. [PMID: 26010226 DOI: 10.1002/marc.201500154] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 04/22/2015] [Indexed: 11/11/2022]
Abstract
Here, the synthesis and the characterization of novel amphiphilic graft copolymers with tunable properties, useful in obtaining polymeric fluorescent nanoparticles for application in imaging, are described. These copolymers are obtained by chemical conjugation of rhodamine B (RhB) moieties, polylactic acid (PLA), and O-(2-aminoethyl)-O'-methyl poly(ethylene glycol) (PEG) on α,β-poly(N-2-hydroxyethyl)-D,L-aspartamide (PHEA). In particular, PHEA is first functionalized with RhB to obtain PHEA-RhB with a derivatization degree in RhB (DDRhB ) equal to 0.55 mol%. By varying the reaction conditions, different amounts of PLA are grafted on PHEA-RhB to obtain PHEA-RhB-PLA with DDPLA equal to 1.9, 4.0, and 6.2 mol%. Then, PEG chains are grafted on PHEA-RhB-PLA derivatives to obtain PHEA-RhB-PLA-PEG graft copolymers. The preparation of polymeric fluorescent nanoparticles with tunable properties and spherical shape is described by using PHEA-RhB-PLA-PEG with DD in PLA and PEG equal to 4.0 and 4.9 mol%, by following easily scaling up processes, such as emulsion-solvent evaporation and high pressure homogenization (HPH)-solvent evaporation techniques.
Collapse
Affiliation(s)
- Emanuela Fabiola Craparo
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, via Archirafi 32, 90123, Palermo, Italy
| | - Barbara Porsio
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, via Archirafi 32, 90123, Palermo, Italy
| | - Nicolò Mauro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, via Archirafi 32, 90123, Palermo, Italy
| | - Gaetano Giammona
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, via Archirafi 32, 90123, Palermo, Italy
| | - Gennara Cavallaro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, via Archirafi 32, 90123, Palermo, Italy
| |
Collapse
|
28
|
Dandawate P, Vemuri K, Venkateswara Swamy K, Khan EM, Sritharan M, Padhye S. Synthesis, characterization, molecular docking and anti-tubercular activity of Plumbagin–Isoniazid Analog and its β-cyclodextrin conjugate. Bioorg Med Chem Lett 2014; 24:5070-5. [DOI: 10.1016/j.bmcl.2014.09.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Revised: 08/26/2014] [Accepted: 09/03/2014] [Indexed: 12/16/2022]
|
29
|
Scialabba C, Licciardi M, Mauro N, Rocco F, Ceruti M, Giammona G. Inulin-based polymer coated SPIONs as potential drug delivery systems for targeted cancer therapy. Eur J Pharm Biopharm 2014; 88:695-705. [DOI: 10.1016/j.ejpb.2014.09.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Revised: 09/19/2014] [Accepted: 09/22/2014] [Indexed: 02/01/2023]
|
30
|
Licciardi M, Scialabba C, Sardo C, Cavallaro G, Giammona G. Amphiphilic inulin graft co-polymers as self-assembling micelles for doxorubicin delivery. J Mater Chem B 2014; 2:4262-4271. [PMID: 32261564 DOI: 10.1039/c4tb00235k] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
This paper reports the synthesis and characterization of a new amphiphilic inulin graft copolymer able to self-assemble in water into a micelle type structure and to deliver the anticancer model drug doxorubicin. For this aim, inulin was chemically modified in the side chain with primary amine groups (INU-EDA) and these were used as reactive moieties for the conjugation of poly ethylene glycol 2000 and succinyl-ceramide. The CMC of obtained amphiphilic inulin derivatives (INU-ceramide and INU-ceramide-PEG2000) was measured by means of fluorescence analysis using pyrene as the fluorescent probe. The obtained micelles were characterized by DLS and AFM analysis and the ability to release the loaded doxorubicin was studied in different media. Finally the cytotoxicity profile on both cancer (HCT116) and normal (16 HBE) cell lines and in vitro ability to deliver the drug into cancer cells were evaluated.
Collapse
Affiliation(s)
- M Licciardi
- University of Palermo, Dipartimento Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Palermo, Italy.
| | | | | | | | | |
Collapse
|
31
|
Amphiphilic inulin-d-α-tocopherol succinate (INVITE) bioconjugates for biomedical applications. Carbohydr Polym 2014; 103:46-54. [DOI: 10.1016/j.carbpol.2013.11.056] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 11/25/2013] [Accepted: 11/27/2013] [Indexed: 11/22/2022]
|
32
|
Cavallaro G, Triolo D, Licciardi M, Giammona G, Chirico G, Sironi L, Dacarro G, Donà A, Milanese C, Pallavicini P. Amphiphilic Copolymers Based on Poly[(hydroxyethyl)-d,l-aspartamide]: A Suitable Functional Coating for Biocompatible Gold Nanostars. Biomacromolecules 2013; 14:4260-70. [DOI: 10.1021/bm401130z] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Gennara Cavallaro
- Dipartimento
di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF),
Sezione di Chimica e Tecnologie Farmaceutiche, Università di Palermo, Via Archirafi, 32, 90123, Palermo, Italy
| | - Daniela Triolo
- Dipartimento
di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF),
Sezione di Chimica e Tecnologie Farmaceutiche, Università di Palermo, Via Archirafi, 32, 90123, Palermo, Italy
| | - Mariano Licciardi
- Dipartimento
di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF),
Sezione di Chimica e Tecnologie Farmaceutiche, Università di Palermo, Via Archirafi, 32, 90123, Palermo, Italy
| | - Gaetano Giammona
- Dipartimento
di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF),
Sezione di Chimica e Tecnologie Farmaceutiche, Università di Palermo, Via Archirafi, 32, 90123, Palermo, Italy
| | - Giuseppe Chirico
- Dipartimento
di Fisica “G. Occhialini”, Università Milano Bicocca, piazza della Scienza, 3, 20126 Milano, Italy
| | - Laura Sironi
- Dipartimento
di Fisica “G. Occhialini”, Università Milano Bicocca, piazza della Scienza, 3, 20126 Milano, Italy
| | - Giacomo Dacarro
- Dipartimento
di Chimica, Università di Pavia, viale Taramelli, 12, 27100 Pavia, Italy
| | - Alice Donà
- Dipartimento
di Chimica, Università di Pavia, viale Taramelli, 12, 27100 Pavia, Italy
| | - Chiara Milanese
- Dipartimento
di Chimica, Università di Pavia, viale Taramelli, 12, 27100 Pavia, Italy
| | | |
Collapse
|
33
|
Hamidi M, Rafiei P, Azadi A. Designing PEGylated therapeutic molecules: advantages in ADMET properties. Expert Opin Drug Discov 2013; 3:1293-307. [PMID: 23496167 DOI: 10.1517/17460441.3.11.1293] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND PEGylation, association of poly(ethylene glycol) (PEG) to drug molecules or drug-bearing particles, is one of the most promising techniques on the way to improve the pharmacokinetic features of a drug which, in turn, leads to pharmacodynamic improvements. OBJECTIVE The aim of this review is to describe PEGylation as a procedure for alteration of drug molecular structure with the main emphasis on its pharmacokinetic consequences. METHODS After a brief but concise overview of the history and chemistry of PEGylation, the boundary of this literature survey is confined to the findings and reports on the impact of PEGylation on biodistribution and bioelimination of therapeutic molecules. CONCLUSION It is concluded, based on the whole body of the data in literature, that the main results of PEGylation on pharmacokinetic properties of the drug include prolongation of lifespan in circulation, alterations in drug elimination pathway(s) and changes in drug biodistribution profile, among others, which all are derived from the structural changes that occur in the drug molecule, mainly reversible attachment of a large polymeric moiety to parent drug.
Collapse
Affiliation(s)
- Mehrdad Hamidi
- Department of Pharmaceutics, Faculty of Pharmacy, Shiraz University of Medical Sciences, PO Box 71345-1583, Shiraz, Iran
| | | | | |
Collapse
|
34
|
Moon JR, Jeon YS, Zrinyi M, Kim JH. pH-Responsive PEGylated nanoparticles based on amphiphilic polyaspartamide: preparation, physicochemical characterization andin vitroevaluation. POLYM INT 2012. [DOI: 10.1002/pi.4412] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jong Rok Moon
- Department of Chemical Engineering; Sungkyunkwan University; 300 Chunchun Jangan, Suwon, Kyunggi 440-746 Korea
| | - Young Sil Jeon
- Department of Chemical Engineering; Sungkyunkwan University; 300 Chunchun Jangan, Suwon, Kyunggi 440-746 Korea
| | - Miklos Zrinyi
- Laboratory of Nanochemistry, Department of Biophysics and Radiation Biology; Semmelweis University; Budapest Hungary
| | - Ji-Heung Kim
- Department of Chemical Engineering; Sungkyunkwan University; 300 Chunchun Jangan, Suwon, Kyunggi 440-746 Korea
| |
Collapse
|
35
|
Suzuki S, Asoh TA, Kikuchi A. Design of core-shell gel beads for time-programmed protein release. J Biomed Mater Res A 2012; 101:1345-52. [DOI: 10.1002/jbm.a.34427] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 08/20/2012] [Accepted: 08/22/2012] [Indexed: 11/06/2022]
|
36
|
Meng F, Jeon YS, Chung DJ, Kim JH. Miscible Blend and Semi-IPN Gel of Poly(hydroxyethyl aspartamide) with Poly(N-vinyl pyrrolidone). POLYMER KOREA 2012. [DOI: 10.7317/pk.2012.36.5.617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
37
|
Piccionello AP, Pitarresi G, Pace A, Triolo D, Picone P, Buscemi S, Giammona G. Fluorinated and pegylated polyaspartamide derivatives to increase solubility and efficacy of Flutamide. J Drug Target 2012; 20:433-44. [DOI: 10.3109/1061186x.2012.680961] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
38
|
Dandawate PR, Vyas A, Ahmad A, Banerjee S, Deshpande J, Swamy KV, Jamadar A, Dumhe-Klaire AC, Padhye S, Sarkar FH. Inclusion complex of novel curcumin analogue CDF and β-cyclodextrin (1:2) and its enhanced in vivo anticancer activity against pancreatic cancer. Pharm Res 2012; 29:1775-86. [PMID: 22322899 DOI: 10.1007/s11095-012-0700-1] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Accepted: 01/31/2012] [Indexed: 12/14/2022]
Abstract
PURPOSE Several formulations have been proposed to improve the systemic delivery of novel cancer therapeutic compounds, including cyclodextrin derivatives. We aimed to synthesize and characterize of CDF-β-cyclodextrin inclusion complex (1:2) (CDFCD). METHODS The compound was characterized by Fourier transform infrared, differential scanning calorimetry, powder X-ray diffraction studies, H1 & C13 NMR studies and scanning electron microscopic analysis. Its activity was tested against multiple cancer cell lines, and in vivo bioavailability was checked. RESULTS CDF-β-cyclodextrin was found to lower IC(50) value by half when tested against multiple cancer cell lines. It preferentially accumulated in the pancreas, where levels of CDF-β-cyclodextrin in mice were 10 times higher than in serum, following intravenous administration of an aqueous CDF-β-cyclodextrin preparation. CONCLUSIONS Novel curcumin analog CDF preferentially accumulates in the pancreas, leading to its potent anticancer activity against pancreatic cancer cells. Synthesis of such CDF-β-cyclodextrin self-assembly is an effective strategy to enhance its bioavailability and tissue distribution, warranting further evaluation for CDF delivery in clinical settings for treatment of human malignancies.
Collapse
Affiliation(s)
- Prasad R Dandawate
- ISTRA, Department of Chemistry, MCE Society's Abeda Inamdar Senior College of Arts, Science and Commerce, Pune 411001, India
| | | | | | | | | | | | | | | | | | | |
Collapse
|
39
|
Mehmet Saka O, Bozkir A. Formulation and in vitro characterization of PEGylated chitosan and polyethylene imine polymers with thrombospondin-I gene bearing pDNA. J Biomed Mater Res B Appl Biomater 2012; 100:984-92. [DOI: 10.1002/jbm.b.32661] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Revised: 11/10/2011] [Accepted: 11/22/2011] [Indexed: 11/10/2022]
|
40
|
Tedja R, Soeriyadi AH, Whittaker MR, Lim M, Marquis C, Boyer C, Davis TP, Amal R. Effect of TiO2 nanoparticle surface functionalization on protein adsorption, cellular uptake and cytotoxicity: the attachment of PEG comb polymers using catalytic chain transfer and thiol–ene chemistry. Polym Chem 2012. [DOI: 10.1039/c2py20450a] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
41
|
Cha C, Jeong JH, Tang X, Zill AT, Prakash YS, Zimmerman SC, Saif TA, Kong H. Top-down synthesis of versatile polyaspartamide linkers for single-step protein conjugation to materials. Bioconjug Chem 2011; 22:2377-82. [PMID: 22053983 DOI: 10.1021/bc200339s] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Materials used in various biological applications are often modified with proteins to regulate biomolecular and cellular adhesion. Conventional strategies of protein conjugation accompany monovalent bifunctional protein linkers, which present several limitations in molecular synthesis and protein conjugation. Herein, we present a new strategy of preparing multivalent polyaspartamide linkers in a simple top-down manner, and also demonstrate that the resulting polymer linkers allow us to readily conjugate proteins to both organic and inorganic materials. The top-down synthesis of polyaspartamide linkers was performed by partially opening succinimidyl ring moieties of polysuccinimide (PSI) with the controlled number of nucleophiles reactive to photo-cross-linked hydrogel or gold-coated inorganic materials: (1) Poly(2-hydroxyethyl-co-2-methacryloxyethyl aspartamide) (PHMAA) presenting methacrylate was used to micropattern fibronectin or collagen on a hydrogel in order to regulate cell adhesion and growth area on a micrometer scale. (2) Poly(2-hydroxyethyl-co-2-mercaptoethyl aspartamide) (PHMCA) presenting thiol functional groups was used to link fibronectin to a gold-coated silicon microelectromechanical probe designed to measure cell traction force. Overall, these multivalent polyaspartamide protein linkers will greatly assist efforts to analyze and regulate the cellular adhesion to and phenotypic activities of a wide array of substrates and devices.
Collapse
Affiliation(s)
- Chaenyung Cha
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | | | | | | | | | | | | | | |
Collapse
|
42
|
Yallapu MM, Jaggi M, Chauhan SC. Poly(β-cyclodextrin)/curcumin self-assembly: a novel approach to improve curcumin delivery and its therapeutic efficacy in prostate cancer cells. Macromol Biosci 2011; 10:1141-51. [PMID: 20572274 DOI: 10.1002/mabi.201000084] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A novel PCD/CUR self-assembly approach for improved curcumin delivery to prostate cancer cells is described. The formation of PCD/CUR was confirmed using FTIR, DSC, TGA, and SEM/TEM, and their stability and solubility under physiological conditions was demonstrated. A mechanism for self-assembly is proposed. Intracellular uptake of the self-assemblies was studied by flow cytometry and immunofluorescence microscopy. The therapeutic efficacy was determined by cell proliferation and colony formation assays using C4-2, DU145 and PC3 prostate cancer cells. The results suggest that the PCD/CUR formulation could be a useful system for improving curcumin delivery and its therapeutic efficacy in prostate cancer.
Collapse
Affiliation(s)
- Murali Mohan Yallapu
- Cancer Biology Research Center, Sanford Research/USD, 1400 W. 22nd Street, Sioux Falls, SD 57105, USA
| | | | | |
Collapse
|
43
|
Oh JK, Park JM. Iron oxide-based superparamagnetic polymeric nanomaterials: Design, preparation, and biomedical application. Prog Polym Sci 2011. [DOI: 10.1016/j.progpolymsci.2010.08.005] [Citation(s) in RCA: 350] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
|
44
|
Moon JR, Kim MW, Kim D, Jeong JH, Kim JH. Synthesis and self-assembly behavior of novel polyaspartamide derivatives for anti-tumor drug delivery. Colloid Polym Sci 2010. [DOI: 10.1007/s00396-010-2307-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
45
|
Jo YM, Park CW, Jung B, Yang HM, Kim JD. Size and Morphology Control of Aggregates from Supramolecular Graft Copolymers Stabilized by Ionic Interaction. MACROMOL CHEM PHYS 2010. [DOI: 10.1002/macp.201000249] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
46
|
Oh JK. Engineering of nanometer-sized cross-linked hydrogels for biomedical applications. CAN J CHEM 2010. [DOI: 10.1139/v09-158] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Microgels/nanogels (micro/nanogels) are promising drug-delivery systems (DDS) because of their unique properties, including tunable chemical and physical structures, good mechanical properties, high water content, and biocompatibility. They also feature sizes tunable to tens of nanometers, large surface areas, and interior networks. These properties demonstrate the great potential of micro/nanogels for drug delivery, tissue engineering, and bionanotechnology. This mini-review describes the current approaches for the preparation and engineering of effective micro/nanogels for drug-delivery applications. It emphasizes issues of degradability and bioconjugation, as well as loading/encapsulation and release of therapeutics from customer-designed micro/nanogels.
Collapse
Affiliation(s)
- Jung Kwon Oh
- Dow Chemical Company, Midland, MI 48674, USA. (e-mail: )
| |
Collapse
|
47
|
Jia L, Zheng JJ, Jiang SM, Huang KH. Preparation, physicochemical characterization and cytotoxicity in vitro of gemcitabine-loaded PEG-PDLLA nanovesicles. World J Gastroenterol 2010; 16:1008-13. [PMID: 20180242 PMCID: PMC2828587 DOI: 10.3748/wjg.v16.i8.1008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the preparation, physicochemical characterization and cytotoxicity in vitro of Gemcitabine-loaded poly(ethylene glycol)-block-poly(D,L-lactide) (PEG-PDLLA) nanovesicles.
METHODS: The nanovesicle carriers were prepared from the amphiphilic block copolymer of PEG-PDLLA by a double emulsion technique, and gemcitabine was used as the model drug. The morphology of the nanovesicles was determined by scanning and transmission electron microscopy, and the drug content, drug entrapment and drug-release curve in vitro were detected by UV-Vis-NIR spectrophotometry. Cytotoxicity in the human pancreatic cancer cell line SW1990 was tested by 3-(4,5-dimethyl) ethiazole (MTT) assay.
RESULTS: The gemcitabine-loaded nanovesicles were hollow nanospheres with a mean size of 200.6 nm, drug loading of 4.14% and drug embedding ratio of 20.54%. The nanovesicles showed excellent controlled release that was characterized by a fast initial release during the first 72 h, followed by a slower and continuous release. The MTT assay demonstrated that gemcitabine-loaded nanovesicles exhibited dose-dependent and time-delayed cytotoxicity in the human pancreatic cancer cell line SW1990.
CONCLUSION: Gemcitabine-loaded PEG-PDLLA nanovesicles prepared by a double emulsion technique exhibited good performance for controlled drug release, and had similar cytotoxic activity to free gemcitabine.
Collapse
|
48
|
Cavallaro G, Licciardi M, Scirè S, Di Stefano M, Giammona G. New pegylated polyaspartamide-based polyplexes as gene delivery vectors. Nanomedicine (Lond) 2010; 5:243-58. [DOI: 10.2217/nnm.09.104] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: To synthesize novel polyhydroxyethylaspartamide (PHEA) copolymers containing spermine (Spm) and polyethylene glycol (PEG) moieties in high yields, with the expectation that this material would show stealth properties and the ability to complex DNA by electrostatic interactions. Materials & methods: PHEA–PEG–Spm copolymer was prepared with a two-step reaction. Chemical, physicochemical and biological characterizations of PHEA–PEG–Spm copolymers and their obtained polyplexes with pDNA were performed. Results: The introduction of spermine in PHEA structure allows to obtain a copolymer bearing in the side chains polyamine moieties capable to interact with DNA. On the other hand, the introduction of PEG in polymeric structure increased the DNA condensing ability of PHEA–PEG–Spm copolymer in comparison with the derivatives without PEG (PHEA-Spm), and improved its characteristics of biocompatibility. Conclusions: PHEA–PEG–Spm copolymer shows excellent ability to complex and condense plasmidic DNA giving interpolyelectrolyte complexes to act as gene delivery systems. Moreover, PEGylation confers to the obtained interpolyelectrolyte complexes stealth properties.
Collapse
Affiliation(s)
- G Cavallaro
- Laboratory of Biocompatible Polymers, Department Chimicae Tecnologie Farmaceutiche, University of Palermo, Via Archirafi, 32, 90123 Palermo, Italy
| | - M Licciardi
- Laboratory of Biocompatible Polymers, Department Chimicae Tecnologie Farmaceutiche, University of Palermo, Via Archirafi, 32, 90123 Palermo, Italy
| | - S Scirè
- Laboratory of Biocompatible Polymers, Department Chimicae Tecnologie Farmaceutiche, University of Palermo, Via Archirafi, 32, 90123 Palermo, Italy
| | - M Di Stefano
- Laboratory of Biocompatible Polymers, Department Chimicae Tecnologie Farmaceutiche, University of Palermo, Via Archirafi, 32, 90123 Palermo, Italy
| | - G Giammona
- Laboratory of Biocompatible Polymers, Department Chimicae Tecnologie Farmaceutiche, University of Palermo, Via Archirafi, 32, 90123 Palermo, Italy
- IBF-CNR, via Ugo La Malfa, 153, 90143 Palermo, Italy
| |
Collapse
|
49
|
Pitarresi G, Palumbo FS, Albanese A, Fiorica C, Picone P, Giammona G. Self-assembled amphiphilic hyaluronic acid graft copolymers for targeted release of antitumoral drug. J Drug Target 2009; 18:264-76. [DOI: 10.3109/10611860903434027] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
50
|
Oh JK, Bencherif SA, Matyjaszewski K. Atom transfer radical polymerization in inverse miniemulsion: A versatile route toward preparation and functionalization of microgels/nanogels for targeted drug delivery applications. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.06.045] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
|