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Kim WJ, Bae J, Lee EH, Kim J, Kim PJ, Ma PX, Woo KM. Long noncoding RNA MALAT1 mediates fibrous topography-driven pathologic calcification through trans-differentiation of myoblasts. Mater Today Bio 2024; 28:101182. [PMID: 39205874 PMCID: PMC11357808 DOI: 10.1016/j.mtbio.2024.101182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 07/14/2024] [Accepted: 08/03/2024] [Indexed: 09/04/2024] Open
Abstract
Prosthesis-induced pathological calcification is a significant challenge in biomaterial applications and is often associated with various reconstructive medical procedures. It is uncertain whether the fibrous extracellular matrix (ECM) adjacent to biomaterials directly triggers osteogenic trans-differentiation in nearby cells. To investigate this possibility, we engineered a heterogeneous polystyrene fibrous matrix (PSF) designed to mimic the ECM. Our findings revealed that the myoblasts grown on this PSF acquired osteogenic properties, resulting in mineralization both in vitro and in vivo. Transcriptomic analyses indicated a notable upregulation in the expression of the long noncoding RNA metastsis-associated lung adenocarcinoma transcript 1 (Malat1) in the C2C12 myoblasts cultured on PSF. Intriguingly, silencing Malat1 curtailed the PSF-induced mineralization and downregulated the expression of bone morphogenetic proteins (Bmps) and osteogenic markers. Further, we found that PSF prompted the activation of Yap1 signaling and epigenetic modifications in the Malat1 promoter, crucial for the expression of Malat1. These results indicate that the fibrous matrix adjacent to biomaterials can instigate Malat1 upregulation, subsequently driving osteogenic trans-differentiation in myoblasts and ectopic calcification through its transcriptional regulation of osteogenic genes, including Bmps. Our findings point to a novel therapeutic avenue for mitigating prosthesis-induced pathological calcification, heralding new possibilities in the field of biomaterial-based therapies.
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Affiliation(s)
- Woo-Jin Kim
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jieun Bae
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, 08826, Republic of Korea
| | - Eun-Hye Lee
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jaehyung Kim
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, 08826, Republic of Korea
| | - Pil-Jong Kim
- Biomedical Knowledge Engineering Laboratory, Dental Research Institute, Seoul National University, Seoul, 08826, Republic of Korea
| | - Peter X. Ma
- Department of Biologic and Material Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA
- Macromolecular Science and Engineering Center, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Kyung Mi Woo
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Pharmacology & Dental Therapeutics, School of Dentistry, Seoul National University, Seoul, 08826, Republic of Korea
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2
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Singh D. Beyond the Maze: Recent Advancements in Molecular and Cellular Tethered Drug Delivery Systems. Assay Drug Dev Technol 2024; 22:203-215. [PMID: 38717194 DOI: 10.1089/adt.2024.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2024] Open
Abstract
The relentless pursuit of precision medicine has catalyzed the development of molecular and cellular tethered drug delivery systems, a burgeoning field that stands to redefine the paradigms of therapeutic delivery. This review encapsulates the cutting-edge advancements within this domain, emphasizing the engineering of molecular tethers and cellular vectors designed to ferry therapeutics directly to their target sites with unparalleled specificity and efficiency. By exploiting the unique biochemical signatures of disease states, these systems promise a substantial reduction in off-target effects and an enhancement in drug bioavailability, thereby mitigating the systemic side effects that are often associated with conventional drug therapies. Through a synthesis of recent research findings, this review highlights the innovative approaches being explored in the design and application of these tethered systems, ranging from nanotechnology-based solutions to genetically engineered cellular carriers. The potential of these systems to provide targeted therapy for a wide array of diseases, including cancer, autoimmune disorders, and neurological conditions, is thoroughly examined. This abstract aims to provide a succinct overview of the current state and future prospects of molecular and cellular tethered drug delivery systems in advancing the frontiers of precision medicine.
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Affiliation(s)
- Dilpreet Singh
- University Institute of Pharma Sciences, Chandigarh University, Gharuan, India
- University Centre for Research and Development, Chandigarh University, Gharuan, India
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3
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Sabourian P, Frounchi M, Kiani S, Mashayekhan S, Kheirabadi MZ, Heydari Y, Ashraf SS. Targeting reactive astrocytes by pH-responsive ligand-bonded polymeric nanoparticles in spinal cord injury. Drug Deliv Transl Res 2023; 13:1842-1855. [PMID: 36689118 DOI: 10.1007/s13346-023-01300-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/15/2023] [Indexed: 01/24/2023]
Abstract
In spinal cord injuries, axonal regeneration decreases with the activation of astrocytes followed by glial scar formation. Targeting reactive astrocytes has been recently performed by unsafe viral vectors to inhibit gliosis. In the current study, biocompatible polymeric nanoparticles were selected as an alternative for viruses to target reactive astrocytes for further drug/gene delivery applications. Lipopolysaccharide-bonded chitosan-quantum dots/poly acrylic acid nanoparticles were prepared by ionic gelation method to target reactive astrocytes both in vitro and in spinal cord-injured rats. Owing to their biocompatibility and pH-responsive behavior, chitosan and poly acrylic acid were the main components of nanoparticles. Nanoparticles were then chemically labeled with quantum dots to track the cell uptake and electrostatically interacted with lipopolysaccharide as a targeting ligand. In vitro and in vivo studies were performed in triplicate and all data were expressed as the mean ± the standard error of the mean. Smart nanoparticles with optimum size (61.9 nm) and surface charge (+ 12.5 mV) successfully targeted primary reactive astrocytes extracted from the rat cerebral cortex. In vitro studies represented high cell viability (96%) in the exposure of biocompatible nanoparticles. The pH-responsive behavior of nanoparticles was proved by their internalization into the cell's nuclei due to the swelling and endosomal escape of nanoparticles in acidic pH. In vivo studies demonstrated higher transfection of nanoparticles into reactive astrocytes compared to the neurons. pH-responsive ligand-bonded chitosan-based nanoparticles are good alternatives for viral vectors in targeted delivery applications for the treatment of spinal cord injuries.
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Affiliation(s)
- Parinaz Sabourian
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran
| | - Masoud Frounchi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran.
| | - Sahar Kiani
- Department of Brain and Cognitive Sciences, Cell Science Research Center, ROYAN Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Stem Cell and Developmental Biology, Cell Science Research Center, ROYAN Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Shohreh Mashayekhan
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran
| | - Masoumeh Zarei Kheirabadi
- Department of Brain and Cognitive Sciences, Cell Science Research Center, ROYAN Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Stem Cell and Developmental Biology, Cell Science Research Center, ROYAN Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Yasaman Heydari
- Department of Brain and Cognitive Sciences, Cell Science Research Center, ROYAN Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Stem Cell and Developmental Biology, Cell Science Research Center, ROYAN Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Seyed Sajad Ashraf
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran
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4
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A concise review on bio-responsive polymers in targeted drug delivery system. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04424-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Osi B, Khoder M, Al-Kinani AA, Alany RG. Pharmaceutical, Biomedical and Ophthalmic Applications of Biodegradable Polymers (BDPs): Literature and Patent Review. Pharm Dev Technol 2022; 27:341-356. [PMID: 35297285 DOI: 10.1080/10837450.2022.2055063] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In the last few decades, the interest in biodegradable materials for biomedical applications has increased significantly. Both natural and synthetic biodegradable polymers (BDPs) have been broadly explored for various biomedical applications. These include sutures and wound dressings, screws for bone fracture, scaffolds in tissue engineering, implants, and other carriers for targeted and sustained release drug delivery. Owing to their unique characteristics, including their surface charge variable copolymer block and composition and film-forming properties, BDPs have been widely used as favourable materials for ophthalmic drug delivery. Mucoadhesive BDPs have been used in ophthalmic formulations to prolong drug retention time and improve bioavailability, allowing ophthalmic controlled release systems to design. Furthermore, BDPs-based implants, microneedles, and injectable nano- and micro-particles enabled ocular posterior segment targeting and, most importantly, circumvented the need for removing the delivery systems after application. This review outlines the major advances of BDPs and highlights the latest progress of employing natural and synthetic BDPs for various biomedical applications, emphasising the treatment and management of ophthalmic conditions.
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Affiliation(s)
- Barzan Osi
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Kingston upon Thames, London, United Kingdom
| | - Mouhamad Khoder
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Kingston upon Thames, London, United Kingdom
| | - Ali A Al-Kinani
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Kingston upon Thames, London, United Kingdom
| | - Raid G Alany
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Kingston upon Thames, London, United Kingdom.,School of Pharmacy, The University of Auckland, Auckland, New Zealand
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Şahin FC, Şimşek C, Erbil C. Study on preparation, compression strength and theophylline/diclofenac sodium release ability of NIPAAm/DMAPMAAm hydrogels. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2021; 32:2267-2292. [PMID: 34436978 DOI: 10.1080/09205063.2021.1967700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
The present study was undertaken to investigate the effect of the composition of the polymerization medium and the type of drug/drug loading process on the mechanical strengths and release profiles of poly(N-isopropylacrylamide-co-N-[3-(dimethylamino)propyl] methacrylamide) P(NIPAAm-co-DMAPMAAm) hydrogels. In line with this goal firstly, the temperature- and pH-responsive hydrogels of NIPAAm and DMAPMAAm were synthesized in three different media at 60 °C: pH 7.4 phosphate-buffered saline (PBS), pH 7.4 phosphate buffer without NaCl/KCl (PB), and distilled-deionized water (pH ≈ 5.5 DDW). The result is that the presence of anionic species such as phosphate (HPO42-/H2PO4-) and chloride (Cl-) ions in the solution affects on their basic network properties such as volumetric swelling ratio and compression modulus. To evaluate their intermolecular interactions with protonated DMAPMAAm units and drug molecules, depending on composition, type of loading process and drug structure, each of the hydrogels was loaded with diclofenac sodium (DFNa) and theophylline (Thp) by using both diffusion and in situ loading methods. DFNa and Thp release profiles in pH 7.4 PBS at 37 °C were analysed by using zero-order, first-order, Higuchi, Korsmeyer-Peppas, and Peppas-Sahlin models. It has been observed that for the first 60% of DFNa and Thp releases from P(NIPAAm-co-DMAPMAAm) hydrogels synthesized in PB at 60 °C, the contribution of the chain relaxation for the copolymer hydrogels loaded during gelation process was higher than the ones loaded by diffusion process.
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Affiliation(s)
| | - Ceyda Şimşek
- Chemistry Department, Istanbul Technical University, Istanbul, Turkey
| | - Candan Erbil
- Chemistry Department, Istanbul Technical University, Istanbul, Turkey
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7
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Bustamante-Torres M, Romero-Fierro D, Arcentales-Vera B, Palomino K, Magaña H, Bucio E. Hydrogels Classification According to the Physical or Chemical Interactions and as Stimuli-Sensitive Materials. Gels 2021; 7:182. [PMID: 34842654 PMCID: PMC8628675 DOI: 10.3390/gels7040182] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/18/2021] [Accepted: 10/21/2021] [Indexed: 12/12/2022] Open
Abstract
Hydrogels are attractive biomaterials with favorable characteristics due to their water uptake capacity. However, hydrogel properties are determined by the cross-linking degree and nature, the tacticity, and the crystallinity of the polymer. These biomaterials can be sorted out according to the internal structure and by their response to external factors. In this case, the internal interaction can be reversible when the internal chains are led by physicochemical interactions. These physical hydrogels can be synthesized through several techniques such as crystallization, amphiphilic copolymers, charge interactions, hydrogen bonds, stereo-complexing, and protein interactions. In contrast, the internal interaction can be irreversible through covalent cross-linking. Synthesized hydrogels by chemical interactions present a high cross-linking density and are employed using graft copolymerization, reactive functional groups, and enzymatic methods. Moreover, specific smart hydrogels have also been denoted by their external response, pH, temperature, electric, light, and enzyme. This review deeply details the type of hydrogel, either the internal structure or the external response. Furthermore, we detail some of the main applications of these hydrogels in the biomedicine field, such as drug delivery systems, scaffolds for tissue engineering, actuators, biosensors, and many other applications.
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Affiliation(s)
- Moises Bustamante-Torres
- Departamento de Biología, Escuela de Ciencias Biológicas e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Urcuquí 100650, Ecuador
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - David Romero-Fierro
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
- Departamento de Química, Escuela de Ciencias Química e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Urcuquí 100650, Ecuador;
| | - Belén Arcentales-Vera
- Departamento de Química, Escuela de Ciencias Química e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Urcuquí 100650, Ecuador;
| | - Kenia Palomino
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Parque Industrial Internacional Tijuana, Tijuana 22390, Mexico;
| | - Héctor Magaña
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Parque Industrial Internacional Tijuana, Tijuana 22390, Mexico;
| | - Emilio Bucio
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
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8
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Bustamante-Torres M, Pino-Ramos VH, Romero-Fierro D, Hidalgo-Bonilla SP, Magaña H, Bucio E. Synthesis and Antimicrobial Properties of Highly Cross-Linked pH-Sensitive Hydrogels through Gamma Radiation. Polymers (Basel) 2021; 13:polym13142223. [PMID: 34300980 PMCID: PMC8309246 DOI: 10.3390/polym13142223] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/01/2021] [Accepted: 07/03/2021] [Indexed: 12/20/2022] Open
Abstract
The design of new polymeric systems for antimicrobial drug release focused on medical/surgical procedures is of great interest in the biomedical area due to the high prevalence of bacterial infections in patients with wounds or burns. For this reason, in this work, we present a new design of pH-sensitive hydrogels copolymerized by a graft polymerization method (gamma rays), intended for localized prophylactic release of ciprofloxacin and silver nanoparticles (AgNPs) for potential topical bacterial infections. The synthesized hydrogels were copolymerized from acrylic acid (AAc) and agar. Cross-linked hydrogel film formation depended on monomer concentrations and the degree of radiation used (Cobalt-60). The obtained hydrogel films were characterized by attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and mechanical testing. The swelling of the hydrogels was evidenced by the influence of their pH-sensitiveness. The hydrogel was loaded with antimicrobial agents (AgNPs or ciprofloxacin), and their related activity was evaluated. Finally, the antimicrobial activity of biocidal-loaded hydrogel was tested against Escherichia coli (E. coli) and methicillin-resistant Staphylococcus aureus (MRSA) on in vitro conditions.
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Affiliation(s)
- Moises Bustamante-Torres
- Departamento de Biología, Escuela de Ciencias Biológicas e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Hacienda San José s/n y Proyecto Yachay (Ciudad del Conocimiento Yachay), Urcuquí 100650, Ecuador
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México 04510, Mexico;
- Correspondence: (M.B.-T.); (E.B.)
| | - Victor H. Pino-Ramos
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México 04510, Mexico;
| | - David Romero-Fierro
- Departamento de Química, Escuela de Ciencias Química e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Hacienda San José s/n y Proyecto Yachay (Ciudad del Conocimiento Yachay), Urcuquí 100650, Ecuador; (D.R.-F.); (S.P.H.-B.)
| | - Sandra P. Hidalgo-Bonilla
- Departamento de Química, Escuela de Ciencias Química e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Hacienda San José s/n y Proyecto Yachay (Ciudad del Conocimiento Yachay), Urcuquí 100650, Ecuador; (D.R.-F.); (S.P.H.-B.)
| | - Héctor Magaña
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Parque Industrial Internacional Tijuana, Tijuana 22390, Mexico;
| | - Emilio Bucio
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México 04510, Mexico;
- Correspondence: (M.B.-T.); (E.B.)
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Chopra H, Singh I, Kumar S, Bhattacharya T, Rahman MH, Akter R, Kabir MT. Comprehensive Review on Hydrogels. Curr Drug Deliv 2021; 19:658-675. [PMID: 34077344 DOI: 10.2174/1567201818666210601155558] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/26/2021] [Accepted: 04/05/2021] [Indexed: 11/22/2022]
Abstract
The conventional drug delivery systems have a long list of issues of repeated dosing and toxicity arising due to it. The hydrogels are the answer to them and offer a result that minimizes such activities and optimizes therapeutic benefits. The hydrogels proffer tunable properties that can withstand degradation, metabolism, and controlled release moieties. Some of the areas of applications of hydrogels involve wound healing, ocular systems, vaginal gels, scaffolds for tissue, bone engineering, etc. They consist of about 90% of the water that makes them suitable bio-mimic moiety. Here, we present a birds-eye view of various perspectives of hydrogels, along with their applications.
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Affiliation(s)
- Hitesh Chopra
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Rajpura-140401, Patiala, Punjab, India
| | - Inderbir Singh
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Rajpura-140401, Patiala, Punjab, India
| | - Sandeep Kumar
- Department of Pharmaceutics, ASBASJSM College of Pharmacy, Bela-140111, Ropar, Punjab, India
| | | | - Md Habibur Rahman
- Department of Pharmacy, Jagannath University, Sadarghat, Dhaka-1100. Bangladesh
| | - Rokeya Akter
- Department of Pharmacy, Southeast University, Banani, Dhaka-1213. Bangladesh
| | - Md Tanvir Kabir
- Department of Pharmacy, Brac University, 66 Mohakhali, Dhaka 1212. Bangladesh
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10
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Lin X, Wu X, Chen X, Wang B, Xu W. Intellective and stimuli-responsive drug delivery systems in eyes. Int J Pharm 2021; 602:120591. [PMID: 33845152 DOI: 10.1016/j.ijpharm.2021.120591] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/23/2021] [Accepted: 04/05/2021] [Indexed: 12/24/2022]
Abstract
Stimuli-responsive drug delivery systems have attracted widespread attention in recent years since they can control drug release in a spatiotemporal manner and can achieve tunable drug release according to patient's physiological or pathological condition. In this review, we briefly introduce the drug delivery barriers and drug delivery systems in the anterior and posterior segment of eyes, and collect the recent advances in stimuli-responsive drug delivery systems in eyes for controlled drug release in response to exogenous stimuli (ultrasound, magnetic stimulus, electrical stimulus, and light) or endogenous stimuli (enzyme, active oxygen species, temperature, ions, and pH). In addition, the design and mechanisms of the stimuli-responsive drug delivery systems have been summarized in this review, and the advantages and limitations are also briefly discussed.
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Affiliation(s)
- Xueqi Lin
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xingdi Wu
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xiang Chen
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Ben Wang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China; Institute of Translational Medicine, Zhejiang University, Hangzhou, Zhejiang 310029, China.
| | - Wen Xu
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.
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11
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Shreyash N, Sonker M, Bajpai S, Tiwary SK. Review of the Mechanism of Nanocarriers and Technological Developments in the Field of Nanoparticles for Applications in Cancer Theragnostics. ACS APPLIED BIO MATERIALS 2021; 4:2307-2334. [PMID: 35014353 DOI: 10.1021/acsabm.1c00020] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cancer cannot be controlled by the usage of drugs alone, and thus, nanotechnology is an important technique that can provide the drug with an impetus to act more effectively. There is adequate availability of anticancer drugs that are classified as alkylating agents, hormones, or antimetabolites. Nanoparticle (NP) carriers increase the residence time of the drug, thereby enhancing the survival rate of the drug, which otherwise gets washed off owing to the small size of the drug particles by the excretory system. For example, for enhancing the circulation, a coating of nonfouling polymers like PEG and dextran is done. Famous drugs such as doxorubicin (DOX) are commonly encapsulated inside the nanocomposite. The various classes of nanoparticles are used to enhance drug delivery by aiding it to fight against the tumor. Targeted therapy aims to attack the cells with features common to the cancer cells while minimizing damage to the normal cell, and these therapies work in one in four ways. Some block the cancer cells from reproducing newer cells, others release toxic substances to kill the cancer cells, some stimulate the immune system to destroy the cancer cells, and some block the growth of more blood vessels around cancer cells, which starve the cells of the nutrients, which is needed for their growth. This review aims to testify the advancements nanotechnology has brought in cancer therapy, and its statements are supported with recent research findings and clinical trial results.
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12
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Hybrid Nanostructured Magnetite Nanoparticles: From Bio-Detection and Theragnostics to Regenerative Medicine. MAGNETOCHEMISTRY 2020. [DOI: 10.3390/magnetochemistry6010004] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nanotechnology offers the possibility of operating on the same scale length at which biological processes occur, allowing to interfere, manipulate or study cellular events in disease or healthy conditions. The development of hybrid nanostructured materials with a high degree of chemical control and complex engineered surface including biological targeting moieties, allows to specifically bind to a single type of molecule for specific detection, signaling or inactivation processes. Magnetite nanostructures with designed composition and properties are the ones that gather most of the designs as theragnostic agents for their versatility, biocompatibility, facile production and good magnetic performance for remote in vitro and in vivo for biomedical applications. Their superparamagnetic behavior below a critical size of 30 nm has allowed the development of magnetic resonance imaging contrast agents or magnetic hyperthermia nanoprobes approved for clinical uses, establishing an inflection point in the field of magnetite based theragnostic agents.
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Gholamali I. Stimuli-Responsive Polysaccharide Hydrogels for Biomedical Applications: a Review. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2019. [DOI: 10.1007/s40883-019-00134-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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14
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Ulkoski D, Bak A, Wilson JT, Krishnamurthy VR. Recent advances in polymeric materials for the delivery of RNA therapeutics. Expert Opin Drug Deliv 2019; 16:1149-1167. [PMID: 31498013 DOI: 10.1080/17425247.2019.1663822] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: The delivery of nucleic acid therapeutics through non-viral carriers face multiple biological barriers that reduce their therapeutic efficiency. Despite great progress, there remains a significant technological gap that continues to limit clinical translation of these nanocarriers. A number of polymeric materials are being exploited to efficiently deliver nucleic acids and achieve therapeutic effects. Areas covered: We discuss the recent advances in the polymeric materials for the delivery of nucleic acid therapeutics. We examine the use of common polymer architectures and highlight the challenges that exist for their development from bench side to clinic. We also provide an overview of the most notable improvements made to circumvent such challenges, including structural modification and stimuli-responsive approaches, for safe and effective nucleic acid delivery. Expert opinion: It has become apparent that a universal carrier that follows 'one-size' fits all model cannot be expected for delivery of all nucleic acid therapeutics. Carriers need to be designed to exhibit sensitivity and specificity toward individual targets diseases/indications, and relevant subcellular compartments, each of which possess their own unique challenges. The ability to devise synthetic methods that control the molecular architecture enables the future development that allow for the construction of 'intelligent' designs.
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Affiliation(s)
- David Ulkoski
- Advanced Drug Delivery, Pharmaceutical Sciences, R&D, AstraZeneca , Boston , USA
| | - Annette Bak
- Advanced Drug Delivery, Pharmaceutical Sciences, R&D, AstraZeneca , Gothenburg , Sweden
| | - John T Wilson
- Department of Chemical and Biomolecular Engineering, Vanderbilt University , Nashville , TN , USA
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15
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Durkut S. Thermoresponsive poly (N-vinylcaprolactam)-g-galactosylated chitosan hydrogel: synthesis, characterization, and controlled release properties. INT J POLYM MATER PO 2018. [DOI: 10.1080/00914037.2018.1525546] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Serap Durkut
- Tissue Engineering, Biomaterials and Nanobiotechnology Laboratory, Ankara University Faculty of Science, Ankara, Turkey
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16
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Biomaterials for Stem Cell Therapy for Cardiac Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018. [PMID: 30471033 DOI: 10.1007/978-981-13-0445-3_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
Myocardial Infarction (MI) in cardiac disease is the result of heart muscle losses due to a wide range of factors. Cardiac muscle failure is a crucial condition that provokes life-threatening outcomes. Heretofore, regeneration therapies in MI have used stem-cell-based therapy instantly after a myocardial injury to prevent the disease process and tissue malfunction. Despite the therapeutic utility of stem-cell-based regenerative therapy, barriers to successful treatment have been addressed. In this chapter, we illustrate a variety of emerging biomaterial strategies for enhancing the function of therapeutic stem cells, such as cell surface modification to synthetically endowing stem cells with new characteristics and hydrogels with its biological and mechanical properties. These investments offer a potential accompaniment to traditional stem-cell-based therapies for enhancing the efficacy of stem cell therapy to design properly activating cardiac tissues.
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17
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Zhang N, Chin JS, Chew SY. Localised non-viral delivery of nucleic acids for nerve regeneration in injured nervous systems. Exp Neurol 2018; 319:112820. [PMID: 30195695 DOI: 10.1016/j.expneurol.2018.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 08/31/2018] [Accepted: 09/05/2018] [Indexed: 02/07/2023]
Abstract
Axons damaged by traumatic injuries are often unable to spontaneously regenerate in the adult central nervous system (CNS). Although the peripheral nervous system (PNS) has some regenerative capacity, its ability to regrow remains limited across large lesion gaps due to scar tissue formation. Nucleic acid therapy holds the potential of improving regeneration by enhancing the intrinsic growth ability of neurons and overcoming the inhibitory environment that prevents neurite outgrowth. Nucleic acids modulate gene expression by over-expression of neuronal growth factor or silencing growth-inhibitory molecules. Although in vitro outcomes appear promising, the lack of efficient non-viral nucleic acid delivery methods to the nervous system has limited the application of nucleic acid therapeutics to patients. Here, we review the recent development of efficient non-viral nucleic acid delivery platforms, as applied to the nervous system, including the transfection vectors and carriers used, as well as matrices and scaffolds that are currently used. Additionally, we will discuss possible improvements for localised nucleic acid delivery.
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Affiliation(s)
- Na Zhang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637459, Singapore
| | - Jiah Shin Chin
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637459, Singapore; NTU Institute of Health Technologies, Interdisciplinary Graduate School, Nanyang Technological University, 639798, Singapore
| | - Sing Yian Chew
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 637459, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, 308232, Singapore.
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18
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Guo P, Wang B, Liu D, Yang J, Subramanyam K, McCarthy CR, Hebert J, Moses MA, Auguste DT. Using Atomic Force Microscopy to Predict Tumor Specificity of ICAM1 Antibody-Directed Nanomedicines. NANO LETTERS 2018; 18:2254-2262. [PMID: 29505261 DOI: 10.1021/acs.nanolett.7b04801] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Atomic force microscopy (AFM) is a powerful tool to detect in vitro antibody-antigen interactions. To date, however, AFM-measured antibody-antigen interactions have yet to be exploited to predict in vivo tumor specificity of antibody-directed nanomedicines. In this study, we have utilized AFM to directly measure the biomechanical interaction between live triple negative breast cancer (TNBC) cells and an antibody against ICAM1, a recently identified TNBC target. For the first time, we provide proof-of-principle evidence that in vitro TNBC cell-ICAM1 antibody binding force measured by AFM on live cells more precisely correlates with in vivo tumor accumulation and therapeutic efficacy of ICAM1 antibody-directed liposomes than ICAM1 gene and surface protein overexpression levels. These studies demonstrate that live cell-antibody binding force measurements may be used as a novel in vitro metric for predicting the in vivo tumor recognition of antibody-directed nanomedicines.
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Affiliation(s)
- P Guo
- Department of Biomedical Engineering , The City College of New York , 160 Convent Avenue , New York , New York 10031 , United States
- Vascular Biology Program , Boston Children's Hospital , 300 Longwood Avenue , Boston , Massachusetts 02115 , United States
- Department of Surgery , Harvard Medical School and Boston Children's Hospital , 300 Longwood Avenue , Boston , Massachusetts 02115 , United States
| | - B Wang
- Department of Biomedical Engineering , The City College of New York , 160 Convent Avenue , New York , New York 10031 , United States
| | - D Liu
- Department of Biomedical Engineering , The City College of New York , 160 Convent Avenue , New York , New York 10031 , United States
- Department of Chemical Engineering , Northeastern University , 360 Huntington Avenue , Boston , Massachusetts 02115 , United States
| | - J Yang
- Vascular Biology Program , Boston Children's Hospital , 300 Longwood Avenue , Boston , Massachusetts 02115 , United States
- Department of Surgery , Harvard Medical School and Boston Children's Hospital , 300 Longwood Avenue , Boston , Massachusetts 02115 , United States
| | - K Subramanyam
- School of Engineering and Applied Sciences , Harvard University , 29 Oxford Street , Cambridge , Massachusetts 02115 , United States
| | - C R McCarthy
- Department of Biomedical Engineering , The City College of New York , 160 Convent Avenue , New York , New York 10031 , United States
| | - J Hebert
- Department of Chemical Engineering , Northeastern University , 360 Huntington Avenue , Boston , Massachusetts 02115 , United States
| | - M A Moses
- Vascular Biology Program , Boston Children's Hospital , 300 Longwood Avenue , Boston , Massachusetts 02115 , United States
- Department of Surgery , Harvard Medical School and Boston Children's Hospital , 300 Longwood Avenue , Boston , Massachusetts 02115 , United States
| | - D T Auguste
- Department of Biomedical Engineering , The City College of New York , 160 Convent Avenue , New York , New York 10031 , United States
- Department of Chemical Engineering , Northeastern University , 360 Huntington Avenue , Boston , Massachusetts 02115 , United States
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19
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Ophthalmic gels: Past, present and future. Adv Drug Deliv Rev 2018; 126:113-126. [PMID: 29288733 DOI: 10.1016/j.addr.2017.12.017] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 11/06/2017] [Accepted: 12/22/2017] [Indexed: 11/21/2022]
Abstract
Aqueous gels formulated using hydrophilic polymers (hydrogels) along with those based on stimuli responsive polymers (in situ gelling or gel forming systems) continue to attract increasing interest for various eye health-related applications. They allow the incorporation of a variety of ophthalmic pharmaceuticals to achieve therapeutic levels of drugs and bioactives at target ocular sites. The integration of sophisticated drug delivery technologies such as nanotechnology-based ones with intelligent and environment responsive systems can extend current treatment duration to provide more clinically relevant time courses (weeks and months instead of hours and days) which will inevitably reduce dose frequency, increase patient compliance and improve clinical outcomes. Novel applications and design of contact lenses and intracanalicular delivery devices along with the move towards integrating gels into various drug delivery devices like intraocular pumps, injections and implants has the potential to reduce comorbidities caused by glaucoma, corneal keratopathy, cataract, diabetic retinopathies and age-related macular degeneration. This review describes ophthalmic gelling systems with emphasis on mechanism of gel formation and application in ophthalmology. It provides a critical appraisal of the techniques and methods used in the characterization of ophthalmic preformed gels and in situ gelling systems along with a thorough insight into the safety and biocompatibility of these systems. Newly developed ophthalmic gels, hydrogels, preformed gels and in situ gelling systems including the latest in the area of stimuli responsive gels, molecularly imprinted gels, nanogels, 3D printed hydrogels; 3D printed devices comprising ophthalmic gels are covered. Finally, new applications of gels in the production of artificial corneas, corneal wound healing and hydrogel contact lenses are described.
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20
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Deen GR, Loh XJ. Stimuli-Responsive Cationic Hydrogels in Drug Delivery Applications. Gels 2018; 4:E13. [PMID: 30674789 PMCID: PMC6318685 DOI: 10.3390/gels4010013] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 01/29/2018] [Accepted: 01/30/2018] [Indexed: 12/11/2022] Open
Abstract
Stimuli-responsive, smart, intelligent, or environmentally sensitive polymers respond to changes in external stimuli such as pH, temperature, ionic strength, surfactants, pressure, light, biomolecules, and magnetic field. These materials are developed in various network architectures such as block copolymers, crosslinked hydrogels, nanogels, inter-penetrating networks, and dendrimers. Stimuli-responsive cationic polymers and hydrogels are an interesting class of "smart" materials that respond reversibly to changes in external pH. These materials have the ability to swell extensively in solutions of acidic pH and de-swell or shrink in solutions of alkaline pH. This reversible swelling-shrinking property brought about by changes in external pH conditions makes these materials useful in a wide range of applications such as drug delivery systems and chemical sensors. This article focuses mainly on the properties of these interesting materials and their applications in drug delivery systems.
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Affiliation(s)
- G Roshan Deen
- Soft Materials Laboratory, Natural Sciences and Science Education AG, National Institute of Education, Nanyang Technological University, 1-Nanyang Walk, Singapore 637616, Singapore.
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, 2-Fusionopolis Way, Singapore 138634, Singapore.
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21
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Dilnawaz F, Acharya S, Sahoo SK. Recent trends of nanomedicinal approaches in clinics. Int J Pharm 2018; 538:263-278. [PMID: 29339248 DOI: 10.1016/j.ijpharm.2018.01.016] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 01/05/2018] [Accepted: 01/05/2018] [Indexed: 12/20/2022]
Abstract
Nanotechnology has become the indispensable cutting edge science providing solutions to many problems associated with human being. The application of nanotechnology associated to human health "nanomedicine" has revolutionized the drug delivery system by providing improved pharmacological and therapeutic properties of drugs. These advantageous effects of drug loaded nanocarrier systems are embraced by the pharmaceutical industries for the development of different effective nanocarriers. Currently, several drug loaded nanoformulations are approved by the Food and Drug Administration (FDA), and some of them are undergoing clinical trials for the human use. In this review, we have discussed the progress achieved so far for various drug loaded nanoformulations along with few emerging nanoformulations that are about to enter into clinical trials.
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Affiliation(s)
- Fahima Dilnawaz
- Laboratory of Nanomedicine, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India
| | - Sarbari Acharya
- Laboratory of Nanomedicine, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India
| | - Sanjeeb Kumar Sahoo
- Laboratory of Nanomedicine, Institute of Life Sciences, Bhubaneswar 751023, Odisha, India.
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22
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Reactive Oxygen Species Responsive Naturally Occurring Phenolic-Based Polymeric Prodrug. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1078:291-301. [PMID: 30357629 DOI: 10.1007/978-981-13-0950-2_15] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Reactive Oxygen Species (ROS) play a vital role in the biological system. Exaggerated, ROS have devastating effects on the human body leading to the pathophysiological condition including the transformation of a normal cell into a cancer phenotype. Nature has blessed us with various biomolecules that we use along with our dietary supplements. Using such therapeutic small molecules covalently incorporated into biodegradable polyoxalate polymer backbone with a responsive group forms an efficient drug delivery vehicle. This chapter "Reactive oxygen species responsive naturally occurring phenolic-based polymeric prodrug" will be focusing on redox-responsive polymers incorporated with naturally occurring phenolics and clinical application.
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23
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Barse RK, Tagalpallewar AA, Kokare CR, Sharma JP, Sharma PK. Formulation and ex vivo-in vivo evaluation of pH-triggered brimonidine tartrate in situ gel for the glaucoma treatment using application of 3 2 factorial design. Drug Dev Ind Pharm 2017; 44:800-807. [PMID: 29228819 DOI: 10.1080/03639045.2017.1414229] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
CONTEXT Short residence time, poor bioavailability and poor permeability are the major problems for conventional eye drops treatment. OBJECTIVE The aim of this article is to develop, optimize and ex vivo-in vivo investigation of brimonidine tartrate in situ gel as compared to marketed eye drops for the treatment of glaucoma. MATERIALS AND METHODS The effect of independent variables, namely concentrations of polymers, on various dependent variables like viscosity at physiological pH and in vitro drug release were studied by using 32 factorial design. Further the optimized formulation was characterized for ex vivo and in vivo study. RESULTS AND DISCUSSION Experimental data demonstrated that optimized in situ gel formulation (F8) showed in vitro-ex vivo sustained release profile with polymer composites carbopol 974P and HPMC K4M. After 5 h of ex vivo transcorneal permeation study, the amount recovered from the corneal surface on the donor chamber 12.40% (124 ug) and the amount collected from the receptor chamber 76.8% (760 ug) of the initial dose 1 mg. The total amount recovered from the permeation experiment was 89.2%. Bioadhesive carbopol 974P and viscosity HPMC K4M composites optimized formulation (F 8) produce greater influence on the duration of drug action and improved intraocular pressure reduction activity as compared to marketed eye drop solution in in vivo study. CONCLUSION The developed in situ gelling system as a promising ophthalmic formulation to prolong the drug lowering effect on the intraocular pressure.
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Affiliation(s)
- Rohan K Barse
- a School of Pharmaceutical Sciences , Jaipur National University , Jaipur , India.,b Department of Pharmaceutics , STES's Sinhgad Institute of Pharmacy (Affiliated to Savitribai Phule Pune University) , Pune , India
| | - Amol A Tagalpallewar
- b Department of Pharmaceutics , STES's Sinhgad Institute of Pharmacy (Affiliated to Savitribai Phule Pune University) , Pune , India
| | - Chandrakant R Kokare
- b Department of Pharmaceutics , STES's Sinhgad Institute of Pharmacy (Affiliated to Savitribai Phule Pune University) , Pune , India
| | - Jaya P Sharma
- a School of Pharmaceutical Sciences , Jaipur National University , Jaipur , India
| | - Pankaj K Sharma
- a School of Pharmaceutical Sciences , Jaipur National University , Jaipur , India
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24
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Spontaneously formed redox- and pH-sensitive polymersomes by mPEG based cytocompatible random copolymers. J Colloid Interface Sci 2017; 501:22-33. [DOI: 10.1016/j.jcis.2017.04.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Revised: 04/09/2017] [Accepted: 04/10/2017] [Indexed: 01/05/2023]
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25
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Chanthaset N, Takahashi Y, Haramiishi Y, Akashi M, Ajiro H. Control of thermoresponsivity of biocompatible poly(trimethylene carbonate) with direct introduction of oligo(ethylene glycol) under various circumstances. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28728] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nalinthip Chanthaset
- Graduate School of Materials Science; Nara Institute of Science and Technology; 8916-5 Takayama-cho Ikoma Nara 630-0192 Japan
| | - Yoshikazu Takahashi
- Department of Applied Chemistry; Osaka University; 2-1 Yamada-oka Suita Osaka 565-0871 Japan
| | - Yoshiaki Haramiishi
- Graduate School of Materials Science; Nara Institute of Science and Technology; 8916-5 Takayama-cho Ikoma Nara 630-0192 Japan
| | - Mitsuru Akashi
- Department of Applied Chemistry; Osaka University; 2-1 Yamada-oka Suita Osaka 565-0871 Japan
- Graduate School of Frontier Biosciences; Osaka University; 1-3 Yamada-oka Suita Osaka 565-0871 Japan
| | - Hiroharu Ajiro
- Graduate School of Materials Science; Nara Institute of Science and Technology; 8916-5 Takayama-cho Ikoma Nara 630-0192 Japan
- Institute for Research Initiatives, Division for Research Strategy, Nara Institute of Science and Technology; 8916-5, Takayama-cho Ikoma Nara 630-0192 Japan
- JST PRESTO; 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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26
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Madni A, Rahem MA, Tahir N, Sarfraz M, Jabar A, Rehman M, Kashif PM, Badshah SF, Khan KU, Santos HA. Non-invasive strategies for targeting the posterior segment of eye. Int J Pharm 2017; 530:326-345. [PMID: 28755994 DOI: 10.1016/j.ijpharm.2017.07.065] [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: 03/29/2017] [Revised: 07/20/2017] [Accepted: 07/21/2017] [Indexed: 01/02/2023]
Abstract
The safe and effective treatment of eye diseases has been remained a global myth. Several advancements have been done and various drug delivery and treatment techniques have been suggested. The Posterior segment disorders are the leading cause of visual impairments and blindness. Targeting the therapeutic agents to the anterior and posterior segments of the eye has attracted extensive attention from the scientific community. Significant key factors in the success of ocular therapy are the development of safe, effective, economic and non-invasive novel drug delivery systems. These specialized non-invasive ocular drug delivery systems revolutionized the drug delivery strategies by overcoming the limitations, provided targeted delivery to the ocular tissues by avoiding larger doses, and reducing the toxicity encountered by the conventional approaches. These non-invasive systems are fabricated by ingredients encompassing biodegradability, biocompatibility, mucoadhesion, solubility and permeability enhancement and stimuli responsiveness. The variety of routes are utilized to provide minimally invasive drug delivery to the patients without any discomfort and pain. This review is focused on the brief introduction, types, significance, preparation techniques, components and mechanism of drug release of non-invasive systems, including in situ gelling systems, microspheres, iontophoresis, nanoparticles, nanosuspensions and specialized novel emulsions.
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Affiliation(s)
- Asadullah Madni
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan.
| | - Muhammad Abdur Rahem
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Nayab Tahir
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan; Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Muhammad Sarfraz
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Abdul Jabar
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Mubashar Rehman
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Prince Muhammad Kashif
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Syed Faisal Badshah
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Kifayat Ullah Khan
- Department of Pharmacy, The Islamia University of Bahawalpur, 63100 Bahawalpur, Pakistan
| | - Hélder A Santos
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland; Helsinki Institute of Life Science (HiLIFE), University of Helsinki, FI-00014 Helsinki, Finland.
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27
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Ashrafi K, Heaysman CL, Phillips GJ, Lloyd AW, Lewis AL. Towards Hypoxia-responsive Drug-eluting Embolization Beads. Int J Pharm 2017; 524:226-237. [PMID: 28373099 DOI: 10.1016/j.ijpharm.2017.03.084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 03/29/2017] [Accepted: 03/30/2017] [Indexed: 10/19/2022]
Abstract
Drug release from chemoembolization microspheres stimulated by the presence of a chemically reducing environment may provide benefits for targeting drug resistant and metastatic hypoxic tumours. A water-soluble disulfide-based bifunctional cross-linker bis(acryloyl)-(l)-cystine (BALC) was synthesised, characterised and incorporated into a modified poly(vinyl) alcohol (PVA) hydrogel beads at varying concentrations using reverse suspension polymerisation. The beads were characterised to confirm the amount of cross-linker within each formulation and its effects on the bead properties. Elemental and UV/visible spectroscopic analysis confirmed the incorporation of BALC within the beads and sizing studies showed that in the presence of a reducing agent, all bead formulations increased in mean diameter. The BALC beads could be loaded with doxorubicin hydrochloride and amounts in excess of 300mg of drug per mL of hydrated beads could be achieved but required conversion of the carboxylic acid groups of the BALC to their sodium carboxylate salt forms. Elution of doxorubicin from the beads demonstrated a controlled release via ionic exchange. Some formulations exhibited an increase in size and release of drug in the presence of a reducing agent, and therefore demonstrated the ability to respond to an in vitro reducing environment.
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Affiliation(s)
- Koorosh Ashrafi
- School of Pharmacy & Biomolecular Sciences, University of Brighton, Moulsecoomb, Brighton BN2 4GJ, United Kingdom; Biocompatibles UK Ltd, A BTG International Group Company, Lakeview, Riverside Way, Watchmoor Park, Camberley, GU15 3YL, United Kingdom
| | - Clare L Heaysman
- Biocompatibles UK Ltd, A BTG International Group Company, Lakeview, Riverside Way, Watchmoor Park, Camberley, GU15 3YL, United Kingdom
| | - Gary J Phillips
- School of Pharmacy & Biomolecular Sciences, University of Brighton, Moulsecoomb, Brighton BN2 4GJ, United Kingdom
| | - Andrew W Lloyd
- School of Pharmacy & Biomolecular Sciences, University of Brighton, Moulsecoomb, Brighton BN2 4GJ, United Kingdom
| | - Andrew L Lewis
- Biocompatibles UK Ltd, A BTG International Group Company, Lakeview, Riverside Way, Watchmoor Park, Camberley, GU15 3YL, United Kingdom.
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Photochemically Controlled Drug Dosing from a Polymeric Scaffold. Pharm Res 2017; 34:1469-1476. [PMID: 28508123 PMCID: PMC5445155 DOI: 10.1007/s11095-017-2164-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Accepted: 04/25/2017] [Indexed: 11/15/2022]
Abstract
Purpose To develop the first photoactive biomaterial coating capable of controlled drug dosing via inclusion of synthesised drug-3,5-dimethoxybenzoin (DMB) conjugates in a poly(2-methyoxyethyl acrylate) (pMEA) scaffold. Methods Flurbiprofen- and naproxen-DMB conjugates were prepared via esterification and characterised via NMR spectroscopy and mass spectrometry following chromatographic purification. Conjugate photolysis was investigated in acetonitrile solution and within the pMEA matrix following exposure to low-power 365 nm irradiation. Photo-liberation of drug from pMEA into phosphate buffered saline was monitored using UV-vis spectroscopy. Results The synthetic procedures yielded the desired drug conjugates with full supporting characterisation. Drug regeneration through photolysis of the synthesised conjugates was successful in both acetonitrile solution and within the pMEA scaffold upon UV irradiation. Conjugates were retained within the pMEA scaffold with exclusive drug liberation following irradiation and increased drug dose with increasing exposure. Multi-dosing capacity was demonstrated though the ability of successive irradiation periods to generate further bursts of drug. Conclusion This study demonstrates the first application of photochemically controlled drug release from a biomaterial coating and the feasibility of using pMEA as a scaffold for housing the photoactive drug-DMB conjugates.
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29
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Mathew AP, Cho KH, Uthaman S, Cho CS, Park IK. Stimuli-Regulated Smart Polymeric Systems for Gene Therapy. Polymers (Basel) 2017; 9:E152. [PMID: 30970831 PMCID: PMC6432211 DOI: 10.3390/polym9040152] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 04/19/2017] [Accepted: 04/20/2017] [Indexed: 01/02/2023] Open
Abstract
The physiological condition of the human body is a composite of different environments, each with its own parameters that may differ under normal, as well as diseased conditions. These environmental conditions include factors, such as pH, temperature and enzymes that are specific to a type of cell, tissue or organ or a pathological state, such as inflammation, cancer or infection. These conditions can act as specific triggers or stimuli for the efficient release of therapeutics at their destination by overcoming many physiological and biological barriers. The efficacy of conventional treatment modalities can be enhanced, side effects decreased and patient compliance improved by using stimuli-responsive material that respond to these triggers at the target site. These stimuli or triggers can be physical, chemical or biological and can be internal or external in nature. Many smart/intelligent stimuli-responsive therapeutic gene carriers have been developed that can respond to either internal stimuli, which may be normally present, overexpressed or present in decreased levels, owing to a disease, or to stimuli that are applied externally, such as magnetic fields. This review focuses on the effects of various internal stimuli, such as temperature, pH, redox potential, enzymes, osmotic activity and other biomolecules that are present in the body, on modulating gene expression by using stimuli-regulated smart polymeric carriers.
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Affiliation(s)
- Ansuja Pulickal Mathew
- Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
| | - Ki-Hyun Cho
- Department of Plastic Surgery, Institute of Dermatology and Plastic Surgery, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA.
| | - Saji Uthaman
- Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
| | - In-Kyu Park
- Department of Biomedical Sciences, BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University, Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
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30
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Tebaldi ML, Charan H, Mavliutova L, Böker A, Glebe U. Dual-Stimuli Sensitive Hybrid Materials: Ferritin-PDMAEMA by Grafting-From Polymerization. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201600529] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Marli Luiza Tebaldi
- Fraunhofer Institute for Applied Polymer Research IAP; Geiselbergstr. 69 14476 Potsdam-Golm Germany
- Universidade Federal de Itajubá; Itabira 35.903-087 Minas Gerais Brazil
| | - Himanshu Charan
- Fraunhofer Institute for Applied Polymer Research IAP; Geiselbergstr. 69 14476 Potsdam-Golm Germany
- Lehrstuhl für Polymermaterialien und Polymertechnologie; Universität Potsdam; 14476 Potsdam-Golm Germany
| | - Liliia Mavliutova
- Fraunhofer Institute for Applied Polymer Research IAP; Geiselbergstr. 69 14476 Potsdam-Golm Germany
| | - Alexander Böker
- Fraunhofer Institute for Applied Polymer Research IAP; Geiselbergstr. 69 14476 Potsdam-Golm Germany
- Lehrstuhl für Polymermaterialien und Polymertechnologie; Universität Potsdam; 14476 Potsdam-Golm Germany
| | - Ulrich Glebe
- Fraunhofer Institute for Applied Polymer Research IAP; Geiselbergstr. 69 14476 Potsdam-Golm Germany
- Lehrstuhl für Polymermaterialien und Polymertechnologie; Universität Potsdam; 14476 Potsdam-Golm Germany
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31
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Sharma K, Kumar V, Kaith BS, Kalia S, Swart HC. Conducting Polymer Hydrogels and Their Applications. SPRINGER SERIES ON POLYMER AND COMPOSITE MATERIALS 2017. [DOI: 10.1007/978-3-319-46458-9_7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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32
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Pattanashetti NA, Heggannavar GB, Kariduraganavar MY. Smart Biopolymers and their Biomedical Applications. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.promfg.2017.08.030] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Bielas R, Łukowiec D, Neugebauer D. Drug delivery via anion exchange of salicylate decorating poly(meth)acrylates based on a pharmaceutical ionic liquid. NEW J CHEM 2017. [DOI: 10.1039/c7nj02667f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Poly[trimethylammonium (meth)acrylate]s decorated by salicylate anions were investigated as drug carriers. Efficient exchange of drug was provided by phosphate anions contained in the medium within 4 h.
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Affiliation(s)
- Rafał Bielas
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology
- Gliwice
- Poland
| | - Dariusz Łukowiec
- Faculty of Mechanical Engineering, Silesian University of Technology
- Gliwice
- Poland
| | - Dorota Neugebauer
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology
- Gliwice
- Poland
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Zardad AZ, Choonara YE, Du Toit LC, Kumar P, Mabrouk M, Kondiah PPD, Pillay V. A Review of Thermo- and Ultrasound-Responsive Polymeric Systems for Delivery of Chemotherapeutic Agents. Polymers (Basel) 2016; 8:E359. [PMID: 30974645 PMCID: PMC6431863 DOI: 10.3390/polym8100359] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 10/03/2016] [Accepted: 10/09/2016] [Indexed: 12/31/2022] Open
Abstract
There has been an exponential increase in research into the development of thermal- and ultrasound-activated delivery systems for cancer therapy. The majority of researchers employ polymer technology that responds to environmental stimuli some of which are physiologically induced such as temperature, pH, as well as electrical impulses, which are considered as internal stimuli. External stimuli include ultrasound, light, laser, and magnetic induction. Biodegradable polymers may possess thermoresponsive and/or ultrasound-responsive properties that can complement cancer therapy through sonoporation and hyperthermia by means of High Intensity Focused Ultrasound (HIFU). Thermoresponsive and other stimuli-responsive polymers employed in drug delivery systems can be activated via ultrasound stimulation. Polyethylene oxide/polypropylene oxide co-block or triblock polymers and polymethacrylates are thermal- and pH-responsive polymer groups, respectively but both have proven to have successful activity and contribution in chemotherapy when exposed to ultrasound stimulation. This review focused on collating thermal- and ultrasound-responsive delivery systems, and combined thermo-ultrasonic responsive systems; and elaborating on the advantages, as well as shortcomings, of these systems in cancer chemotherapy. The mechanisms of these systems are explicated through their physical alteration when exposed to the corresponding stimuli. The properties they possess and the modifications that enhance the mechanism of chemotherapeutic drug delivery from systems are discussed, and the concept of pseudo-ultrasound responsive systems is introduced.
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Affiliation(s)
- Az-Zamakhshariy Zardad
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Yahya Essop Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Lisa Claire Du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Mostafa Mabrouk
- Refractories, Ceramics and Building Materials, National Research Centre, 33 El-Bohouth St. (former El-Tahrir St.), Dokki, Giza P.O. 12622, Egypt.
| | - Pierre Pavan Demarco Kondiah
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
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35
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Nita LE, Chiriac AP, Diaconu A, Tudorachi N, Mititelu-Tartau L. Multifunctional nanogels with dual temperature and pH responsiveness. Int J Pharm 2016; 515:165-175. [PMID: 27725270 DOI: 10.1016/j.ijpharm.2016.10.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 10/04/2016] [Accepted: 10/06/2016] [Indexed: 10/20/2022]
Abstract
Over the last 10 years, the development of intelligent biomaterials for medical and pharmaceutical applications has attracted growing interest by combining interdisciplinary efforts. Between them nanogels represent one of the most attractive carriers for innovative drug delivery systems. In the present investigation new variants of multi-responsive nanogels have been synthesized by crosslinking poly(itaconic anhydride-co-3,9-divinyl-2,4,8,10-tetraoxaspiro [5.5] undecane) copolymer (having different molar ratios between comonomers) with 1,12-dodecandiol. The new structures were obtained by using modification of itaconic anhydride moieties in the copolymer. This is a convenient method for the preparation of a network with increased functionality, which further may ensure new strategies for coupling various bioactive compounds, especially owing to the behavior of the used copolymers, which present dual pH and temperature sensitive characteristics. The chemical structure of the new compounds was confirmed by FTIR and 1H RMN spectra. Also, the evaluation of thermal stability by thermogravimetric analysis sustains the covalent bonds occurring between the copolymer and diol. The dual responsiveness of the nanogel structures to temperature and pH was put into evidence by DLS studies. This feature can be used for the development of drug delivery systems, which can mimic biological response behavior to a certain extent. The new synthesized nanogels were tested as drug delivery systems by using diclofenac as a model drug. The results obtained from in vitro and in vivo investigation confirm the bioactivity of the nanogel networks.
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Affiliation(s)
- Loredana Elena Nita
- "PETRU PONI" Institute of Macromolecular Chemistry Grigore Ghica Voda Alley 41A, RO - 700487 Iasi, Romania
| | - Aurica P Chiriac
- "PETRU PONI" Institute of Macromolecular Chemistry Grigore Ghica Voda Alley 41A, RO - 700487 Iasi, Romania.
| | - Alina Diaconu
- "PETRU PONI" Institute of Macromolecular Chemistry Grigore Ghica Voda Alley 41A, RO - 700487 Iasi, Romania
| | - Nita Tudorachi
- "PETRU PONI" Institute of Macromolecular Chemistry Grigore Ghica Voda Alley 41A, RO - 700487 Iasi, Romania
| | - Liliana Mititelu-Tartau
- "Gr .T. Popa" University of Medicine and Pharmacy University Street 16, 700115 Iasi, Romania
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Chude-Okonkwo UAK, Malekian R, Maharaj BTS. Molecular Communication Model for Targeted Drug Delivery in Multiple Disease Sites_newline With Diversely Expressed Enzymes. IEEE Trans Nanobioscience 2016; 15:230-45. [DOI: 10.1109/tnb.2016.2526783] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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37
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Guo P, Yang J, Jia D, Moses MA, Auguste DT. ICAM-1-Targeted, Lcn2 siRNA-Encapsulating Liposomes are Potent Anti-angiogenic Agents for Triple Negative Breast Cancer. Theranostics 2016; 6:1-13. [PMID: 26722369 PMCID: PMC4679350 DOI: 10.7150/thno.12167] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 09/16/2015] [Indexed: 12/21/2022] Open
Abstract
Lipocalin 2 (Lcn2) is a promising therapeutic target as well as a potential diagnostic biomarker for breast cancer. It has been previously shown to promote breast cancer progression by inducing the epithelial to mesenchymal transition in breast cancer cells as well as by enhancing angiogenesis. Lcn2 levels in urine and tissue samples of breast cancer patients has also been correlated with breast cancer status and poor patient prognosis. In this study, we have engineered a novel liposomal small interfering RNA (siRNA) delivery system to target triple negative breast cancer (TNBC) via a recently identified molecular target, intercellular adhesion molecule-1 (ICAM-1). This ICAM-1-targeted, Lcn2 siRNA- encapsulating liposome (ICAM-Lcn2-LP) binds human TNBC MDA-MB-231cells significantly stronger than non-neoplastic MCF-10A cells. Efficient Lcn2 knockdown by ICAM-Lcn2-LPs led to a significant reduction in the production of vascular endothelial growth factor (VEGF) from MDA-MB-231 cells, which, in turn, led to reduced angiogenesis both in vitro and in vivo. Angiogenesis (neovascularization) is a requirement for solid tumor growth and progression, and its inhibition is an important therapeutic strategy for human cancers. Our results indicate that a tumor-specific strategy such as the TNBC-targeted, anti-angiogenic therapeutic approach developed here, may be clinically useful in inhibiting TNBC progression.
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Affiliation(s)
- Peng Guo
- 1. Department of Biomedical Engineering, The City College of New York, 160 Convent Avenue, New York, NY 10031, United States
- 2. Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
- 3. Department of Surgery, Harvard Medical School and Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
| | - Jiang Yang
- 2. Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
- 3. Department of Surgery, Harvard Medical School and Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
| | - Di Jia
- 2. Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
- 3. Department of Surgery, Harvard Medical School and Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
| | - Marsha A. Moses
- 2. Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
- 3. Department of Surgery, Harvard Medical School and Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
| | - Debra T. Auguste
- 1. Department of Biomedical Engineering, The City College of New York, 160 Convent Avenue, New York, NY 10031, United States
- 2. Vascular Biology Program, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
- 3. Department of Surgery, Harvard Medical School and Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, United States
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38
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Nounou MI, ElAmrawy F, Ahmed N, Abdelraouf K, Goda S, Syed-Sha-Qhattal H. Breast Cancer: Conventional Diagnosis and Treatment Modalities and Recent Patents and Technologies. Breast Cancer (Auckl) 2015; 9:17-34. [PMID: 26462242 PMCID: PMC4589089 DOI: 10.4137/bcbcr.s29420] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 09/08/2015] [Accepted: 09/09/2015] [Indexed: 12/13/2022] Open
Abstract
UNLABELLED Breast cancer is the most prevalent cancer among women worldwide. However, increased survival is due to the dramatic advances in the screening methods, early diagnosis, and breakthroughs in treatments. Over the course of the last decade, many acquisitions have taken place in this critical field of research in the pharmaceutical industry. Advances in molecular biology and pharmacology aided in better understanding of breast cancer, enabling the design of smarter therapeutics able to target cancer and respond to its microenvironment efficiently. Patents and research papers investigating diagnosis and treatment strategies for breast cancer using novel technologies have been surveyed for the past 15 years. Various nanocarriers have been introduced to improve the therapeutic efficacy of anticancer drugs, including liposomes, polymeric micelles, quantum dots, nanoparticles, and dendrimers. This review provides an overview of breast cancer, conventional therapy, novel technologies in the management of breast cancer, and rational approaches for targeting breast cancer. HIGHLIGHTS Breast cancer is the most common cancer in women worldwide. However, survival rates vary widely, optimistically heading toward a positive trend. Increased survival is due to the drastic shift in the screening methods, early diagnosis, and breakthroughs in treatments.Different strategies of breast cancer classification and staging have evolved over the years. Intrinsic (molecular) subtyping is essential in clinical trials and well understanding of the disease.Many novel technologies are being developed to detect distant metastases and recurrent disease as well as to assess response to breast cancer management.Intensive research efforts are actively ongoing to take novel breast cancer therapeutics to potential clinical application.Most of the recent research papers and patents discuss one of the following strategies: the development of new drug entities that specifically target the breast tumor cells; tailor designing a novel carrier system that can multitask and multifunction as a drug carrier, targeting vehicle and even as a diagnostic tool, direct conjugation of a therapeutic drug moiety with a targeting moiety, diagnostic moiety or pharmacokinetics altering moiety; or the use of innovative nontraditional approaches such as genetic engineering, stem cells, or vaccinations.
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Affiliation(s)
- Mohamed I. Nounou
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Fatema ElAmrawy
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Nada Ahmed
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Kamilia Abdelraouf
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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39
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Affiliation(s)
- Sundus Erbas-Cakmak
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - David A. Leigh
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Charlie T. McTernan
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Alina
L. Nussbaumer
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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40
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Piñeiro Y, Vargas Z, Rivas J, López-Quintela MA. Iron Oxide Based Nanoparticles for Magnetic Hyperthermia Strategies in Biological Applications. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500598] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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41
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Shigemitsu H, Hamachi I. Supramolecular Assemblies Responsive to Biomolecules toward Biological Applications. Chem Asian J 2015; 10:2026-38. [PMID: 26152785 DOI: 10.1002/asia.201500563] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Indexed: 11/10/2022]
Abstract
Stimuli-responsive supramolecular assemblies consisting of small molecules are attractive functional materials for biological applications such as drug delivery, medical diagnosis, enzyme immobilization, and tissue engineering. By use of their dynamic and reversible properties, many supramolecular assemblies responsive to a variety of biomolecules have been designed and synthesized. This review focuses on promising strategies for the construction of such dynamic supramolecular assemblies and their functions. While studies of biomolecule-responsive supramolecular assemblies have mainly been performed in vitro, it has recently been demonstrated that some of them can work in live cells. Supramolecular assemblies now open up new avenues in chemical biology and biofunctional materials.
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Affiliation(s)
- Hajime Shigemitsu
- Department of Synthetic Chemistry and Biological Chemistry, Graduated School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduated School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan. .,Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 5 Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan.
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42
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Germershaus O, Nultsch K. Localized, non-viral delivery of nucleic acids: Opportunities, challenges and current strategies. Asian J Pharm Sci 2015. [DOI: 10.1016/j.ajps.2014.10.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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43
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Du Q, Guan Y, Zhu XX, Zhang Y. Swelling-induced surface instability patterns guided by pre-introduced structures. SOFT MATTER 2015; 11:1937-1944. [PMID: 25619166 DOI: 10.1039/c4sm02584a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Swelling-induced, spontaneously generated surface instability patterns in substrate-attached hydrogel films can be harnessed for advanced applications, however, methods to control their formation and morphology are missing. Here we propose that their generation may be guided by intentionally pre-introduced line structures. While uniform gel films produce irregular polygonal instability patterns, instability patterns generated in pre-patterned films with hexagonal line structures are regular hexagons with long-range order. The pre-introduced line structures act as defects in the generation of the surface instability patterns, which determine the position of the creases, regulate their rearrangement and determine their final morphology. The contrast between the pre-introduced structures and the surrounding area should be high enough for the pre-introduced structures to act as defects. Only when the characteristic wavelength of the pre-introduced pattern matches with the one of the gel film, perfect hexagonal patterns can be obtained. The gel films with uniform topographic features may find various advanced applications.
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Affiliation(s)
- Qing Du
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 30 0071, China.
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44
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Pourmoazzen Z, Bagheri M, Akbar Entezami A. Cholesteryl-modified poly (monomethyl itaconate)s micelles as nano-carriers for pH-responsive drug delivery. Polym J 2014. [DOI: 10.1038/pj.2014.71] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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45
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Chinga-Carrasco G, Syverud K. Pretreatment-dependent surface chemistry of wood nanocellulose for pH-sensitive hydrogels. J Biomater Appl 2014; 29:423-32. [PMID: 24713295 PMCID: PMC4231171 DOI: 10.1177/0885328214531511] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Nanocellulose from wood is a promising material with potential in various technological areas. Within biomedical applications, nanocellulose has been proposed as a suitable nano-material for wound dressings. This is based on the capability of the material to self-assemble into 3D micro-porous structures, which among others have an excellent capacity of maintaining a moist environment. In addition, the surface chemistry of nanocellulose is suitable for various applications. First, OH-groups are abundant in nanocellulose materials, making the material strongly hydrophilic. Second, the surface chemistry can be modified, introducing aldehyde and carboxyl groups, which have major potential for surface functionalization. In this study, we demonstrate the production of nanocellulose with tailor-made surface chemistry, by pre-treating the raw cellulose fibres with carboxymethylation and periodate oxidation. The pre-treatments yielded a highly nanofibrillated material, with significant amounts of aldehyde and carboxyl groups. Importantly, the poly-anionic surface of the oxidized nanocellulose opens up for novel applications, i.e. micro-porous materials with pH-responsive characteristics. This is due to the swelling capacity of the 3D micro-porous structures, which have ionisable functional groups. In this study, we demonstrated that nanocellulose gels have a significantly higher swelling degree in neutral and alkaline conditions, compared to an acid environment (pH 3). Such a capability can potentially be applied in chronic wounds for controlled and intelligent release of antibacterial components into biofilms.
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Affiliation(s)
| | - Kristin Syverud
- Paper and Fibre Research Institute (PFI) - Høgskoleringen 6b, Trondheim, Norway
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46
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Carter KA, Shao S, Hoopes MI, Luo D, Ahsan B, Grigoryants VM, Song W, Huang H, Zhang G, Pandey RK, Geng J, Pfeifer BA, Scholes CP, Ortega J, Karttunen M, Lovell JF. Porphyrin-phospholipid liposomes permeabilized by near-infrared light. Nat Commun 2014; 5:3546. [PMID: 24699423 PMCID: PMC3988818 DOI: 10.1038/ncomms4546] [Citation(s) in RCA: 246] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Accepted: 03/03/2014] [Indexed: 12/12/2022] Open
Abstract
The delivery of therapeutic compounds to target tissues is a central challenge in treating disease. Externally controlled drug release systems hold potential to selectively enhance localized delivery. Here we describe liposomes doped with porphyrin–phospholipid that are permeabilized directly by near-infrared light. Molecular dynamics simulations identified a novel light-absorbing monomer esterified from clinically approved components predicted and experimentally demonstrated to give rise to a more stable porphyrin bilayer. Light-induced membrane permeabilization is enabled with liposomal inclusion of 10 molar % porphyrin–phospholipid and occurs in the absence of bulk or nanoscale heating. Liposomes reseal following laser exposure and permeability is modulated by varying porphyrin–phospholipid doping, irradiation intensity or irradiation duration. Porphyrin–phospholipid liposomes demonstrate spatial control of release of entrapped gentamicin and temporal control of release of entrapped fluorophores following intratumoral injection. Following systemic administration, laser irradiation enhances deposition of actively loaded doxorubicin in mouse xenografts, enabling an effective single-treatment antitumour therapy. The delivery of therapeutics using an external trigger is an attractive route for the improvement of targeted disease treatment. Here, the authors have discovered a porphyrin–phospholipid liposome for light-controlled membrane permeabilization and use the system to deliver an anticancer drug in vivo.
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Affiliation(s)
- Kevin A Carter
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Shuai Shao
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Matthew I Hoopes
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
| | - Dandan Luo
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Bilal Ahsan
- Department of Biochemistry and Biomedical Sciences and M. G. DeGroote Institute for Infectious Diseases Research, McMaster University, Hamilton, Ontario, Canada L8S4L8
| | - Vladimir M Grigoryants
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, USA
| | - Wentao Song
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Haoyuan Huang
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Guojian Zhang
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Ravindra K Pandey
- PDT Center, Roswell Park Cancer Institute, Buffalo, New York 14263, USA
| | - Jumin Geng
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Blaine A Pfeifer
- Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
| | - Charles P Scholes
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, USA
| | - Joaquin Ortega
- Department of Biochemistry and Biomedical Sciences and M. G. DeGroote Institute for Infectious Diseases Research, McMaster University, Hamilton, Ontario, Canada L8S4L8
| | - Mikko Karttunen
- Department of Chemistry and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
| | - Jonathan F Lovell
- 1] Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA [2] Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, USA
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47
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In situ gelling systems: a strategy to improve the bioavailability of ophthalmic pharmaceutical formulations. Drug Discov Today 2014; 19:400-12. [DOI: 10.1016/j.drudis.2013.10.001] [Citation(s) in RCA: 137] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 08/26/2013] [Accepted: 10/01/2013] [Indexed: 11/24/2022]
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48
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Guo P, You JO, Yang J, Jia D, Moses MA, Auguste DT. Inhibiting metastatic breast cancer cell migration via the synergy of targeted, pH-triggered siRNA delivery and chemokine axis blockade. Mol Pharm 2014; 11:755-65. [PMID: 24467226 PMCID: PMC3993942 DOI: 10.1021/mp4004699] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Because breast cancer patient survival inversely correlates with metastasis, we engineered vehicles to inhibit both the C-X-C chemokine receptor type 4 (CXCR4) and lipocalin-2 (Lcn2) mediated migratory pathways. pH-responsive liposomes were designed to protect and trigger the release of Lcn2 siRNA. Liposomes were modified with anti-CXCR4 antibodies to target metastatic breast cancer (MBC) cells and block migration along the CXCR4-CXCL12 axis. This synergistic approach--coupling the CXCR4 axis blockade with Lcn2 silencing--significantly reduced migration in triple-negative human breast cancer cells (88% for MDA-MB-436 and 92% for MDA-MB-231). The results suggested that drug delivery vehicles engineered to attack multiple migratory pathways may effectively slow progression of MBC.
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Affiliation(s)
- Peng Guo
- Department of Biomedical Engineering, The City College of New York , 160 Convent Avenue, New York, New York 10031, United States
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49
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Bai S, Zhang H, Sun J, Han J, Guo Y. Preparation and pH-responsive performance of silane-modified poly(methylacrylic acid). J Appl Polym Sci 2014. [DOI: 10.1002/app.40403] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Shiyang Bai
- College of Environmental and Energy Engineering; Beijing University of Technology; Beijing 100124 People's Republic of China
| | - Huang Zhang
- College of Environmental and Energy Engineering; Beijing University of Technology; Beijing 100124 People's Republic of China
| | - Jihong Sun
- College of Environmental and Energy Engineering; Beijing University of Technology; Beijing 100124 People's Republic of China
| | - Jing Han
- College of Environmental and Energy Engineering; Beijing University of Technology; Beijing 100124 People's Republic of China
| | - Yueyue Guo
- College of Environmental and Energy Engineering; Beijing University of Technology; Beijing 100124 People's Republic of China
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Savva I, Odysseos AD, Evaggelou L, Marinica O, Vasile E, Vekas L, Sarigiannis Y, Krasia-Christoforou T. Fabrication, Characterization, and Evaluation in Drug Release Properties of Magnetoactive Poly(ethylene oxide)–Poly(l-lactide) Electrospun Membranes. Biomacromolecules 2013; 14:4436-46. [DOI: 10.1021/bm401363v] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ioanna Savva
- Department
of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus
| | | | - Loucas Evaggelou
- Department
of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, Cyprus
| | - Oana Marinica
- Research
Center for Engineering of Systems with Complex Fluids, University ‘‘Politehnica’’ Timisoara, Timisoara, Romania
| | | | - Ladislau Vekas
- Center
for Fundamental and Advanced Technical Research, Romanian Academy, Timisoara
Branch, Timisoara, Romania
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