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Trucillo P. Biomaterials for Drug Delivery and Human Applications. MATERIALS (BASEL, SWITZERLAND) 2024; 17:456. [PMID: 38255624 PMCID: PMC10817481 DOI: 10.3390/ma17020456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
Biomaterials embody a groundbreaking paradigm shift in the field of drug delivery and human applications. Their versatility and adaptability have not only enriched therapeutic outcomes but also significantly reduced the burden of adverse effects. This work serves as a comprehensive overview of biomaterials, with a particular emphasis on their pivotal role in drug delivery, classifying them in terms of their biobased, biodegradable, and biocompatible nature, and highlighting their characteristics and advantages. The examination also delves into the extensive array of applications for biomaterials in drug delivery, encompassing diverse medical fields such as cancer therapy, cardiovascular diseases, neurological disorders, and vaccination. This work also explores the actual challenges within this domain, including potential toxicity and the complexity of manufacturing processes. These challenges emphasize the necessity for thorough research and the continuous development of regulatory frameworks. The second aim of this review is to navigate through the compelling terrain of recent advances and prospects in biomaterials, envisioning a healthcare landscape where they empower precise, targeted, and personalized drug delivery. The potential for biomaterials to transform healthcare is staggering, as they promise treatments tailored to individual patient needs, offering hope for improved therapeutic efficacy, fewer side effects, and a brighter future for medical practice.
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Affiliation(s)
- Paolo Trucillo
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, Piazzale V. Tecchio, 80, 80125 Naples, Italy
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2
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Aziz SN, Badawy AA, Nessem DI, Abd El Malak NS, Naguib MJ. Chitosan-coated alginate (CCA) nanoparticles for augmentation of topical antihistaminic activity of diphenhydramine: in-vitro optimization, skin histopathology and pharmacodynamic studies with in vitro/in vivo correlation. Drug Dev Ind Pharm 2023:1-12. [PMID: 37158038 DOI: 10.1080/03639045.2023.2211672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
OBJECTIVE The aim of the present study was to formulate chitosan-coated alginate nanoparticles containing the drug diphenhydramine hydrochloride (DHH). SIGNIFICANCE Diphenhydramine hydrochloride (DHH) is the prototype of H1-antihistaminic drugs. It is a lipophilic drug, that easily crosses the blood-brain barrier when taken orally causing decrements in alertness and performance. Multiple applications of topical drug product are required. Thus, drug incorporation in nanocarriers would increase the skin penetration powers increasing the drug efficacy. METHODS Chitosan coated alginate (CCA) nanoparticles were prepared via polyelectrolyte complex technique adopting 23 full factorial design. Three factors, namely, alginate concentration, drug to alginate ratio and CaCl2 volume, each in two levels were studied. The prepared formulae were evaluated utilizing entrapment efficiency (EE), particle size (PS), polydispersity index (PDI), zeta potential (ZP) and in vitro release. Characterization process was then followed by optimization. RESULTS At alginate conc. of 1%, drug to alginate ratio of 2:1 and CaCl2 volume of 4 mL, NP8 was chosen as a candidate formula. Histopathological examination on shaved rat dorsal skin disclosed the safety of NP8 with no signs of necrosis or even inflammation. The enhanced topical delivery of diphenhydramine hydrochloride enclosed in the developed nanoparticles was further proved by induction of allergic reaction using intradermal histamine injection. The results revealed the superior ability of NP8 to decrease the diameter of the formed wheal in comparison to marketed DHH product. CONCLUSION Thus, CCA nanoparticles are considered as a candidate nanocarriers for fortifying the topical antihistaminic activity of DHH.
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Affiliation(s)
- Sandy N Aziz
- Physicochemical lab, Central Administration of Drug Control, Egyptian Drug Authority, Egypt
| | - Alia A Badawy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | | | - Nevine S Abd El Malak
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- School of pharmacy, New Giza University NGU, New Giza, Egypt
| | - Marianne J Naguib
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Ebadollahi A, Valizadeh B, Panahandeh S, Mirhosseini H, Zolfaghari M, Changbunjong T. Nanoencapsulation of Acetamiprid by Sodium Alginate and Polyethylene Glycol Enhanced Its Insecticidal Efficiency. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12172971. [PMID: 36080008 PMCID: PMC9457968 DOI: 10.3390/nano12172971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/20/2022] [Accepted: 08/21/2022] [Indexed: 06/01/2023]
Abstract
Nanoformulation has been considered one of the newly applied methods in integrated pest management strategies. In this research, a conventional neonicotinoid insecticide acetamiprid was nanoencapsulated via AL (Sodium Alginate) and PEG (Polyethylene Glycol) and tested against the elm leaf beetle Xanthogaleruca luteola. The synthesized particles had spherical-like morphology and nanoscale based on TEM (Transmission Electron Microscopy) and DLS (Dynamic Light Scattering). The encapsulation efficiency and loading percentages of acetamiprid in AL and PEG were 92.58% and 90.15%, and 88.46% and 86.79%, respectively. Leaf discs treated with different formulations by the leaf-dipping method were used for oral toxicity assays. The LC50 values (Lethal Concentration to kill 50% of insect population) of acetamiprid and Al- and PEG-nanoencapsulated formulations on third-instar larvae were 0.68, 0.04, and 0.08 ppm, respectively. Based on the highest relative potency, AL-encapsulated acetamiprid had the most toxicity. The content of energy reserve protein, glucose, and triglyceride and the activity of detoxifying enzymes esterase and glutathione S-transferase of the larvae treated by LC50 values of nanoformulations were also decreased. According to the current findings, the nanoencapsulation of acetamiprid by Al and PEG can increase its insecticidal performance in terms of lethal and sublethal toxicity.
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Affiliation(s)
- Asgar Ebadollahi
- Department of Plant Sciences, Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil 5697194781, Iran
| | - Bita Valizadeh
- Department of Plant Protection, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
| | - Saleh Panahandeh
- Department of Plant Protection, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
| | - Hadiseh Mirhosseini
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
| | - Maryam Zolfaghari
- Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht 416351314, Iran
| | - Tanasak Changbunjong
- Department of Pre-Clinic and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
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Delivering more for less: nanosized, minimal-carrier and pharmacoactive drug delivery systems. Adv Drug Deliv Rev 2021; 179:113994. [PMID: 34619287 DOI: 10.1016/j.addr.2021.113994] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 09/11/2021] [Accepted: 09/29/2021] [Indexed: 12/18/2022]
Abstract
Traditional nanoparticle carriers such as liposomes, micelles, and polymeric vehicles improve drug delivery by protecting, stabilizing, and increasing the circulatory half-life of the encapsulated drugs. However, traditional drug delivery systems frequently suffer from poor drug loading and require an excess of carrier materials. This carrier material excess poses an additional systemic burden through accumulation, if not degradable the need for metabolism, and potential toxicity. To address these shortcomings, minimal-carrier nanoparticle systems and pharmacoactive carrier materials have been developed. Both solutions provide drug delivery systems in which the majority of the nanoparticle is pharmacologically active. While minimal-carrier and pharmacoactive drug delivery systems can improve drug loading, they can also suffer from poor stability. Here, we review minimal-carrier and pharmacoactive delivery systems, discuss ongoing challenges and outline opportunities to translate minimal-carrier and pharmacoactive drug delivery systems into the clinic.
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5
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Lim DJ. Methylene Blue-Based Nano and Microparticles: Fabrication and Applications in Photodynamic Therapy. Polymers (Basel) 2021; 13:3955. [PMID: 34833254 PMCID: PMC8618133 DOI: 10.3390/polym13223955] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 12/13/2022] Open
Abstract
Methylene blue (MB) has been used in the textile industry since it was first extracted by the German chemist Heinrich Caro. Its pharmacological properties have also been applied toward the treatment of certain diseases such as methemoglobinemia, ifosfamide-induced encephalopathy, and thyroid conditions requiring surgery. Recently, the utilization of MB as a safe photosensitizer in photodynamic therapy (PDT) has received attention. Recent findings demonstrate that photoactivated MB exhibits not only anticancer activity but also antibacterial activity both in vitro and in vivo. However, due to the hydrophilic nature of MB, it is difficult to create MB-embedded nano- or microparticles capable of increasing the clinical efficacy of the PDT. This review aims to summarize fabrication techniques for MB-embedded nano and microparticles and to provide both in vitro and in vivo examples of MB-mediated PDT, thereby offering a future perspective on improving this promising clinical treatment modality. We also address examples of MB-mediated PDT in both cancer and infection treatments. Both in-vitro and in-vivo studies are summarized here to document recent trends in utilizing MB as an effective photosensitizer in PDT. Lastly, we discuss how developing efficient MB-carrying nano- and microparticle platforms would be able to increase the benefits of PDT.
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Affiliation(s)
- Dong-Jin Lim
- Department of Otolaryngology Head & Neck Surgery, University of Alabama at Birmingham, Birmingham, AL 35294-0012, USA
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6
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Detailed physicochemical interaction of inulin with some conventional surfactants and surface active ionic liquid. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Tran HP, Jiang Y, Nguyen PH, Kim JJ, Yang SG. Retinoic acid-conjugated chitosan/manganese porphyrin ionic-complex nanoparticles for improved T 1 contrast MR imaging of hepatic fibrosis. J Biomed Mater Res B Appl Biomater 2021; 110:382-391. [PMID: 34309195 DOI: 10.1002/jbm.b.34914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/21/2021] [Accepted: 06/27/2021] [Indexed: 11/09/2022]
Abstract
Noninvasive and precise diagnosis of hepatic fibrosis is very important for the preventive therapeutic regimen of hepatic cirrhosis and cancer. In this study, we fabricated T1 contrast Mn-porphyrin (MnTPPS4 )/retinoic acid-chitosan ionic-complex nanoparticles (MRC NPs). The functional properties of MRC NPs were evaluated via transmission electron microscopy (TEM) imaging, release study, cytotoxicity assay, hepatocyte-specific uptake assay, and magnetic resonance (MR) imaging study. TEM images confirmed the typical structure of an ionic-complex NPs with around 100-200 nm of diameter. MnTPPS4 is released from MRC NPs for up to 24 hr in controlled pattern which implies that more reliable and convenient hepatic MR imaging is possible using of MRC NPs in clinical practice. Hepatocytes uptake assay proved retinoic acid-specific targeting of MRC NPs. The same results were observed in animal pharmacokinetic studies. In vitro MR phantom study, MRC NPs showed an increased T1 relaxivity (r1 = 6.772 mM-1 s-1 ) in comparison with 3.242 mM-1 s-1 of MnTPPS4 . The result was confirmed again in vivo MR imaging studies. Taken together, MRC NPs displayed a potential for noninvasive diagnostic T1 MR imaging of hepatic fibrosis with improved target specificity and prolonged MR imaging time window.
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Affiliation(s)
- Hoa Phuong Tran
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea
| | - Yixin Jiang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea
| | - Phuong Hong Nguyen
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea.,Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
| | - Jung Joo Kim
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea
| | - Su-Geun Yang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, South Korea.,Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon, South Korea
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Influence of surfactant's polar head group charge on the self-assembly of three PEO–PPO–PEO triblock copolymers of widely varying hydrophobicity. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113858] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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9
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Kaur J, Kour A, Panda JJ, Harjai K, Chhibber S. Exploring Endolysin-Loaded Alginate-Chitosan Nanoparticles as Future Remedy for Staphylococcal Infections. AAPS PharmSciTech 2020; 21:233. [PMID: 32794119 DOI: 10.1208/s12249-020-01763-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 07/13/2020] [Indexed: 02/06/2023] Open
Abstract
Endolysins are a novel class of antibacterials with proven efficacy in combating various bacterial infections, in vitro and in vivo. LysMR-5, an endolysin derived from phage MR-5, demonstrated high lytic activity in our laboratory against multidrug-resistant S. aureus (MRSA) and S. epidermidis strains. However, endolysin and proteins in general are associated with instability and short in vivo half-life, consequently limiting their usage as pharmaceutical preparation to treat bacterial infections. Nanoencapsulation of endolysins could help to achieve better therapeutic outcome, by protecting the proteins from degradation, providing sustained release, thus could increase their stability, shelf life, and therapeutic efficacy. Hence, in this study, the feasibility of alginate-chitosan nanoparticles (Alg-Chi NPs) to serve as drug delivery platform for LysMR-5 was evaluated. LysMR-5-loaded nanoparticles were prepared by calcium ion-induced pre-gelation of alginate core and its complexation with chitosan. The formation of nanoparticles was confirmed on the basis of DLS, zeta potential, and electron microscopy imaging. The LysMR-5-loaded nanoparticles presented a hydrodynamic diameter of 276.5 ± 42, a PDI of 0.342 ± 0.02, a zeta potential - 25 mV, and an entrapment efficiency of 62 ± 3.1%. The potential ionic interaction between alginate, chitosan, and LysMR-5 was investigated by FT-IR and SEM-EDX analysis. Using scanning electron microscopy (SEM) and transmission electron microscopy (TEM), nano-sized particles with characteristic morphology were seen. Different antibacterial assays and SDS-PAGE analysis showed no change in endolysin's structural integrity and bioactivity after entrapment. A direct antibacterial effect of blank Alg-Chi Nps, showing enhanced bactericidal activity upon LysMR-5 loading, was observed against S. aureus. At physiological pH (7.2), the release profile of LysMR-5 from Alg-Chi NPs showed a biphasic release and followed a non-Fickian release mechanism. The biocompatible nature as revealed by cytocompatibility and hemocompatibility studies endorsed their use as drug delivery system for in vivo studies. Collectively, these results demonstrate the potential of Alg-Chi NPs as nano-delivery vehicle for endolysin LysMR-5 and other therapeutic proteins for their use in various biomedical applications.
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10
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Polyelectrolyte-surfactant-complex nanoparticles as a delivery platform for poorly soluble drugs: A case study of ibuprofen loaded cetylpyridinium-alginate system. Int J Pharm 2020; 580:119199. [PMID: 32147494 DOI: 10.1016/j.ijpharm.2020.119199] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/28/2020] [Accepted: 03/04/2020] [Indexed: 02/08/2023]
Abstract
Previously, we reported on the surfactant cetylpyridinium chloride (CPC) as a crosslinker of alginate for the formation of stable polyelectrolyte-surfactant-complex nanoparticles. Here, we evaluate this system for increased solubility of a poorly soluble drug. The aim was to use CPC for solubilisation of ibuprofen and to use the micellar associates formed for alginate complexation and nanoparticle formation. We acquired deeper insights into the entropy led interactions between alginate, CPC and ibuprofen. Stable nanoparticles were formed across limited surfactant-to-polyelectrolyte molar ratios, with ~150 nm hydrodynamic diameter, monodispersed distribution, and negative zeta potential (-40 mV), with 34% ibuprofen loading. Their structure was obtained using small-angle X-ray scattering, which indicated disordered micellar associates when ibuprofen was incorporated. This resulted in nanoparticles with a complex nanostructured composition, as shown by transmission electron microscopy. Drug release from ibuprofen-cetylpyridinium-alginate nanoparticles was not hindered by alginate, and was similar to the release kinetics from ibuprofen-CPC solubilisates. These innovative carriers developed as polyelectrolyte-surfactant complexes can be used for solubilisation of poorly soluble drugs, where the surfactant simultaneously increases the solubility of the drug at concentrations below its critical micellar concentration and crosslinks the polyelectrolyte to form nanoparticles.
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Öztürk AA, Namlı İ, Güleç K, Kıyan HT. Diclofenac sodium loaded PLGA nanoparticles for inflammatory diseases with high anti-inflammatory properties at low dose: Formulation, characterization and in vivo HET-CAM analysis. Microvasc Res 2020; 130:103991. [PMID: 32105668 DOI: 10.1016/j.mvr.2020.103991] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 12/19/2022]
Abstract
The development of a new drug active substance is not only time-consuming and expensive, but also a chain of operations that often fails. However, increasing the bioavailability, effectiveness, safety, or targeting the drugs used in clinic by various methods, such as nanoparticles (NPs), may be a more effective way of using them in clinic. In addition, NP formulations are becoming increasingly popular in modern medical treatments. Angiogenesis, formation of new capillaries from a pre-existing one, fundamentally occurs in physiological processes such as wound healing, embryogenesis and menstrual cycle, also has a vital role in pathology of cancer, psoriasis, diabetic retinopathy and chronic inflammation. The Hen's Egg Test on the Chorioallantoic Membrane (HET-CAM) assay is a useful, well established and animal alternative in vivo procedure for evaluation of anti-inflammatory potentials and anti-irritant properties of nano drug delivery systems. In this study, diclofenac sodium (DS) loaded PLGA NPs were prepared and characterized. The particle size (PS) of DS-loaded PLGA NPs was between 114.7 and 124.8 nm and all NPs were monodisperse with negative zeta potential values. The encapsulation efficiency was in range of 41.4-77.8%. In vitro dissolution studies of NPs showed up to 24 h of DS release after the first 3 h of burst effect. The 3 h burst effect and 24 h release kinetics studied with DDSolver were found to be predominantly driven not only by one mechanism, by a combined mechanism of Fickian and non-Fickian. Solid state structures of formulations were clarified by DSC and FT-IR analysis. PS, EE% and release rates were found to be affected by the amount of DS added to the formulations. Increasing the amount of DS added to the formulations increased PS, while the EE% decreased. The release rates were affected by PS and the formulation with the lowest PS value showed slower release. The anti-inflammatory activity of optimum formulation (NP-1) was examined using in vivo HET-CAM assay. The anti-inflammatory activity results indicated that NP-1 coded NP formulation showed significantly good anti-inflammatory potential at low dose. As a result, a low dose high anti-inflammatory effect was achieved with the NP structure of DS. To the best of our knowledge this is the first study on in vivo anti-inflammatory activities of DS loaded PLGA NPs by HET-CAM.
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Affiliation(s)
- A Alper Öztürk
- Anadolu University, Faculty of Pharmacy, Department of Pharmaceutical Technology, 26470 Eskişehir, Turkey.
| | - İrem Namlı
- Anadolu University, Graduate School of Health Sciences, Department of Pharmaceutical Technology, 26470 Eskişehir, Turkey
| | - Kadri Güleç
- Anadolu University, Graduate School of Health Sciences, Department of Analytical Chemistry, 26470 Eskişehir, Turkey
| | - H Tuba Kıyan
- Anadolu University, Faculty of Pharmacy, Department of Pharmacognosy, 26470 Eskişehir, Turkey
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Sultana S, Alzahrani N, Alzahrani R, Alshamrani W, Aloufi W, Ali A, Najib S, Siddiqui NA. Stability issues and approaches to stabilised nanoparticles based drug delivery system. J Drug Target 2020; 28:468-486. [PMID: 31984810 DOI: 10.1080/1061186x.2020.1722137] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Nanoparticles form the fundamental building blocks for many exciting applications in various scientific disciplines due to its unique features such as large surface to mass ratio, targeting potential, ability to adsorbed and carry other compound which makes them suitable for biomedical applications. However, the problem of the large-scale synthesis of nanoparticles remains challenging due to physical instability associated with nanoparticles which lead to generation of aggregates particles with high polydispersity index (PDI) indicating low particle homogeneity and eventually loss of their special nanoscale properties. The stabilisation concept can be generated by repulsive electrostatic force, which nanoparticles experience, when they are surrounded by a double layer of electric charges. Selection of proper stabiliser will govern the stability of NPs and ultimately development of optimised drug delivery system. This review summarises mechanism of physical instability issues likely to be encountered during the development of nanoformulations. It also discusses potential stabilising agents used so far and their mechanism in achieving stable nanosystems.
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Affiliation(s)
| | | | | | | | - Waad Aloufi
- Pharmaceutics, Taif University, Taif, Saudi Arabia
| | - Amena Ali
- Pharmaceutical Chemistry, Taif University, Taif, Saudi Arabia
| | - Shehla Najib
- Pharmacognosy and Phytochemistry, King Khalid University, Abha, Saudi Arabia
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Mittal A, Kumar N, Chauhan NS. Curcumin Encapsulated PEGylated Nanoliposomes: A Potential Anti-Infective Therapeutic Agent. Indian J Microbiol 2019; 59:336-343. [PMID: 31388211 PMCID: PMC6646638 DOI: 10.1007/s12088-019-00811-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 06/04/2019] [Indexed: 12/15/2022] Open
Abstract
Exploration of novel bioactive molecules or potentiation of the existing bioactive molecules is necessary to reduce the burden of the infectious diseases for the better human health. Curcumin is a promising molecule with huge therapeutic potential. Despite high bioactivity, its therapeutic suitability is shadowed by poor bioavailability, limited aqueous solubility, and short shelf life. Nanotechnology has generated new avenues to overcome these challenges. In the current study polymer assisted nanoliposomes, PEGylated Curcumin nanoliposomes with good loading efficiency were prepared. These particles have shown 1000 fold enhanced curcumin hydrophilicity and tenfold higher stability. In vitro release kinetic indicates two fold higher curcumin release in the simulated gastric and intestinal environment. Various bioactivity assays have confirmed enhanced bioactivity of nanocurcmin in comparison of the native curcumin. PEGylated Curcumin nanoliposomes could be employed for treating various diseases.
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Affiliation(s)
- Anuj Mittal
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana India
- Department of Chemistry, Maharshi Dayanand University, Rohtak, Haryana India
| | - Naveen Kumar
- Department of Chemistry, Maharshi Dayanand University, Rohtak, Haryana India
| | - Nar Singh Chauhan
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana India
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Ambrosio JAR, Pinto BCDS, Godoy DDS, Carvalho JA, Abreu ADS, da Silva BGM, Leonel LDC, Costa MS, Beltrame Junior M, Simioni AR. Gelatin nanoparticles loaded methylene blue as a candidate for photodynamic antimicrobial chemotherapy applications in Candida albicans growth. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:1356-1373. [PMID: 31215329 DOI: 10.1080/09205063.2019.1632615] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Gelatin nanoparticles (GN) with an intrinsic antimicrobial activity maybe a good choice to improve the effectiveness of photodynamic antimicrobial chemotherapy (PACT). The aim of this study was to development gelatin nanoparticles loaded methylene blue (GN-MB) and investigate the effect of GN-MB in the Candida albicans growth by PACT protocols. The GN and GN-MB were prepared by two-step desolvation. The nanoparticulate systems were studied by scanning electron microscopy and steady-state techniques, the in vitro drug release was investigated, and we studied the effect of PACT on C. albicans growth. Satisfactory yields and encapsulation efficiency of GN-MB were obtained (yield = 76.0% ± 2.1 and EE = 84.0% ± 1.3). All the spectroscopic results presented here showed excellent photophysical parameters of the studied drug. Entrapment of MB in GN significantly prolongs it's in vitro release. The results of PACT experiments clearly demonstrated that the photosensitivity of C. albicans was higher when GN-MB was used. Gelatin nanoparticles loaded methylene blue-mediated photodynamic antimicrobial chemotherapy may be used against Candida albicans growth.
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Affiliation(s)
| | | | - Daniele da Silva Godoy
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Janicy Arantes Carvalho
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Alexandro da Silva Abreu
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | | | - Leonardo de Carvalho Leonel
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Maricilia Silva Costa
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Milton Beltrame Junior
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
| | - Andreza Ribeiro Simioni
- a Research and Development Institute - IPD , Vale do Paraíba University - UNIVAP , São José dos Campos , Brazil
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Chronopoulou L, Domenici F, Giantulli S, Brasili F, D'Errico C, Tsaouli G, Tortorella E, Bordi F, Morrone S, Palocci C, Silvestri I. PLGA based particles as "drug reservoir" for antitumor drug delivery: characterization and cytotoxicity studies. Colloids Surf B Biointerfaces 2019; 180:495-502. [PMID: 31103709 DOI: 10.1016/j.colsurfb.2019.05.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/05/2019] [Accepted: 05/06/2019] [Indexed: 12/16/2022]
Abstract
Doxorubicin (DOX) is commonly used to treat several tumor types, but its severe side effects, primarily cardiotoxicity, represent a major limitation for its use in clinical settings. In this study we developed and characterized biodegradable and stable poly(D,L-lactic-co-glycolic) acid (PLGA) submicrocarriers employing an osmosis-based patented methodology, which allowed to optimize the drug loading efficiency up to 99%. Proceeding from this, we evaluated on MCF-7, a human breast cancer cell line, the ability of PLGA to promote the internalization of DOX and to improve its cytotoxicity in vitro. We found that the in vitro uptake efficiency is dramatically increased when DOX is loaded within PLGA colloidal carriers, which adhere to the cell membrane behaving as an efficient drug reservoir. In fact, the particles provide a diffusion-driven, sustained release of DOX across the cell membrane, resulting in high drug concentration. Accordingly, the cytotoxic analysis clearly showed that DOX-loaded PLGA exhibit a lower 50% inhibitory concentration than free DOX. The decay time of cell viability was successfully compared with DOX diffusion time constant from PLGA. The overall in vitro results highlight the potential of DOX-loaded PLGA particles to be employed as vectors with improved antitumor efficacy.
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Affiliation(s)
- Laura Chronopoulou
- Department of Chemistry , Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy
| | - Fabio Domenici
- Department of Physics, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy; Department of Chemical Science and Technology, University of Rome Tor Vergata, Viale della ricerca scientifica 1, 00133, Rome, Italy.
| | - Sabrina Giantulli
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Francesco Brasili
- Department of Physics, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy; Department of Chemical Science and Technology, University of Rome Tor Vergata, Viale della ricerca scientifica 1, 00133, Rome, Italy
| | - Chiara D'Errico
- Department of Chemistry , Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy
| | - Georgia Tsaouli
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Elisabetta Tortorella
- Department of Chemical Science and Technology, University of Rome Tor Vergata, Viale della ricerca scientifica 1, 00133, Rome, Italy
| | - Federico Bordi
- Department of Physics, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy
| | - Stefania Morrone
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Cleofe Palocci
- Department of Chemistry , Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy.
| | - Ida Silvestri
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy.
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Mandal B, Ghosh S, Moulik SP. Interaction between a bio-tolerable amino-acid based amphiphile (N-dodecanoylsarcosinate, SDDS) and modified cationic polymers, hydroxyethylcelluloses (JR 400, and LM 200) in isopropanol-water medium. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.01.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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17
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Lipatova I, Yusova A, Lukyanets E. Supramolecular complexation of the cationic derivative of Zn (II) phthalocyanine and sodium alginate in mixed aqueous solutions. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.06.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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18
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Balas M, Dumitrache F, Badea MA, Fleaca C, Badoi A, Tanasa E, Dinischiotu A. Coating Dependent In Vitro Biocompatibility of New Fe-Si Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E495. [PMID: 29976868 PMCID: PMC6070796 DOI: 10.3390/nano8070495] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 06/28/2018] [Accepted: 07/02/2018] [Indexed: 12/23/2022]
Abstract
Magnetic nanoparticles offer multiple utilization possibilities in biomedicine. In this context, the interaction with cellular structures and their biological effects need to be understood and controlled for clinical safety. New magnetic nanoparticles containing metallic/carbidic iron and elemental silicon phases were synthesized by laser pyrolysis using Fe(CO)₅ vapors and SiH₄ gas as Fe and Si precursors, then passivated and coated with biocompatible agents, such as l-3,4-dihydroxyphenylalanine (l-DOPA) and sodium carboxymethyl cellulose (CMC-Na). The resulting magnetic nanoparticles were characterized by XRD, EDS, and TEM techniques. To evaluate their biocompatibility, doses ranging from 0⁻200 µg/mL hybrid Fe-Si nanoparticles were exposed to Caco2 cells for 24 and 72 h. Doses below 50 μg/mL of both l-DOPA and CMC-Na-coated Fe-Si nanoparticles induced no significant changes of cellular viability or membrane integrity. The cellular internalization of nanoparticles was dependent on their dispersion in culture medium and caused some changes of F-actin filaments organization after 72 h. However, reactive oxygen species were generated after exposure to 25 and 50 μg/mL of both Fe-Si nanoparticles types, inducing the increase of intracellular glutathione level and activation of transcription factor Nrf2. At nanoparticles doses below 50 μg/mL, Caco2 cells were able to counteract the oxidative stress by activating the cellular protection mechanisms. We concluded that in vitro biological responses to coated hybrid Fe-Si nanoparticles depended on particle synthesis conditions, surface coating, doses and incubation time.
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Affiliation(s)
- Mihaela Balas
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91⁻95 Splaiul Independenţei, 050095 Bucharest, sector 5, Romania.
| | - Florian Dumitrache
- National Institute for Lasers, Plasma and Radiation Physics (NILPRP), Atomistilor 409, 077125 Magurele, Romania.
| | - Madalina Andreea Badea
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91⁻95 Splaiul Independenţei, 050095 Bucharest, sector 5, Romania.
| | - Claudiu Fleaca
- National Institute for Lasers, Plasma and Radiation Physics (NILPRP), Atomistilor 409, 077125 Magurele, Romania.
| | - Anca Badoi
- National Institute for Lasers, Plasma and Radiation Physics (NILPRP), Atomistilor 409, 077125 Magurele, Romania.
| | - Eugenia Tanasa
- Department of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu 1-7, 11061 Bucharest, sector 1, Romania.
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91⁻95 Splaiul Independenţei, 050095 Bucharest, sector 5, Romania.
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19
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Effect of Chemical Binding of Doxorubicin Hydrochloride to Gold Nanoparticles, Versus Electrostatic Adsorption, on the In Vitro Drug Release and Cytotoxicity to Breast Cancer Cells. Pharm Res 2018; 35:112. [DOI: 10.1007/s11095-018-2393-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 03/19/2018] [Indexed: 12/27/2022]
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20
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Tummino A, Toscano J, Sebastiani F, Noskov BA, Varga I, Campbell RA. Effects of Aggregate Charge and Subphase Ionic Strength on the Properties of Spread Polyelectrolyte/Surfactant Films at the Air/Water Interface under Static and Dynamic Conditions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:2312-2323. [PMID: 29323919 DOI: 10.1021/acs.langmuir.7b03960] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
We demonstrate the ability to tune the formation of extended structures in films of poly(sodium styrenesulfonate)/dodecyltrimethylammonium bromide at the air/water interface through control over the charge/structure of aggregates as well as the ionic strength of the subphase. Our methodology to prepare loaded polyelectrolyte/surfactant films from self-assembled liquid crystalline aggregates exploits their fast dissociation and Marangoni spreading of material upon contact with an aqueous subphase. This process is proposed as a potential new route to prepare cheap biocompatible films for transfer applications. We show that films spread on water from swollen aggregates of low/negative charge have 1:1 charge binding and can be compressed only to a monolayer, beyond which material is lost to the bulk. For films spread on water from compact aggregates of positive charge, however, extended structures of the two components are created upon spreading or upon compression of the film beyond a monolayer. The application of ellipsometry, Brewster angle microscopy, and neutron reflectometry as well as measurements of surface pressure isotherms allow us to reason that formation of extended structures is activated by aggregates embedded in the film. The situation upon spreading on 0.1 M NaCl is different as there is a high concentration of small ions that stabilize loops of the polyelectrolyte upon film compression, yet extended structures of both components are only transient. Analogy of the controlled formation of extended structures in fluid monolayers is made to reservoir dynamics in lung surfactant. The work opens up the possibility to control such film dynamics in related systems through the rational design of particles in the future.
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Affiliation(s)
- Andrea Tummino
- Institut Laue-Langevin, 71 avenue des Martyrs, CS20156, Cedex 9 38042 Grenoble, France
- Institute of Chemistry, Eötvös Loránd University , 112, P.O. Box 32, Budapest H-1518, Hungary
| | - Jutta Toscano
- Institut Laue-Langevin, 71 avenue des Martyrs, CS20156, Cedex 9 38042 Grenoble, France
| | - Federica Sebastiani
- Institut Laue-Langevin, 71 avenue des Martyrs, CS20156, Cedex 9 38042 Grenoble, France
- Department of Biomedical Science, Faculty of Health and Science, Malmö University , 21432 Malmö, Sweden
| | - Boris A Noskov
- Institute of Chemistry, St. Petersburg State University , Universitetsky pr. 2, 198904 St. Petersburg, Russia
| | - Imre Varga
- Institute of Chemistry, Eötvös Loránd University , 112, P.O. Box 32, Budapest H-1518, Hungary
- Department of Chemistry, University J. Selyeho , Komárno, Slovakia
| | - Richard A Campbell
- Institut Laue-Langevin, 71 avenue des Martyrs, CS20156, Cedex 9 38042 Grenoble, France
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21
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Rizvi SA, Saleh AM. Applications of nanoparticle systems in drug delivery technology. Saudi Pharm J 2018; 26:64-70. [PMID: 29379334 PMCID: PMC5783816 DOI: 10.1016/j.jsps.2017.10.012] [Citation(s) in RCA: 591] [Impact Index Per Article: 98.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 10/22/2017] [Indexed: 12/20/2022] Open
Abstract
The development of nanoparticle-based drug formulations has yielded the opportunities to address and treat challenging diseases. Nanoparticles vary in size but are generally ranging from 100 to 500 nm. Through the manipulation of size, surface characteristics and material used, the nanoparticles can be developed into smart systems, encasing therapeutic and imaging agents as well as bearing stealth property. Further, these systems can deliver drug to specific tissues and provide controlled release therapy. This targeted and sustained drug delivery decreases the drug related toxicity and increase patient's compliance with less frequent dosing. Nanotechnology has proven beneficial in the treatment of cancer, AIDS and many other disease, also providing advancement in diagnostic testing.
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Affiliation(s)
- Syed A.A. Rizvi
- Department of Pharmaceutical Sciences, College of Pharmacy, Health Professions Division, Nova Southeastern University, 3200 South University Drive, Fort Lauderdale, FL 33328, USA
| | - Ayman M. Saleh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center (KAIMRC), King Abdulaziz Medical City, National Guard Health Affairs, Mail Code 6610, P. O. Box 9515, Jeddah 21423, Saudi Arabia
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22
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The Use of Polymer and Surfactants for the Microencapsulation and Emulsion Stabilization. COLLOIDS AND INTERFACES 2017. [DOI: 10.3390/colloids1010003] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Khdair A, Hamad I, Alkhatib H, Bustanji Y, Mohammad M, Tayem R, Aiedeh K. Modified-chitosan nanoparticles: Novel drug delivery systems improve oral bioavailability of doxorubicin. Eur J Pharm Sci 2016; 93:38-44. [DOI: 10.1016/j.ejps.2016.07.012] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Accepted: 07/15/2016] [Indexed: 01/21/2023]
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24
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Mirtič J, Kogej K, Baumgartner S, Smistad G, Kristl J, Hiorth M. Development of Cetylpyridinium-Alginate Nanoparticles: A Binding and Formulation Study. Int J Pharm 2016; 511:774-84. [DOI: 10.1016/j.ijpharm.2016.07.065] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 07/25/2016] [Accepted: 07/26/2016] [Indexed: 11/24/2022]
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25
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Lopes M, Abrahim B, Veiga F, Seiça R, Cabral LM, Arnaud P, Andrade JC, Ribeiro AJ. Preparation methods and applications behind alginate-based particles. Expert Opin Drug Deliv 2016; 14:769-782. [DOI: 10.1080/17425247.2016.1214564] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Marlene Lopes
- University of Coimbra, Coimbra, Portugal
- CNC − Center for Neuroscience and Cell Biology, Coimbra, Portugal
| | - Barbara Abrahim
- Department of Pharmaceutics,Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Francisco Veiga
- University of Coimbra, Coimbra, Portugal
- CNC − Center for Neuroscience and Cell Biology, Coimbra, Portugal
| | - Raquel Seiça
- IBILI − Instituto de Imagem Biomédica e Ciências da Vida, Coimbra, Portugal
| | - Lucio Mendes Cabral
- Department of Pharmaceutics,Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - José Carlos Andrade
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde and Instituto Universitário de Ciências da Saúde, Gandra, Portugal
| | - Antonio J. Ribeiro
- University of Coimbra, Coimbra, Portugal
- I3S − Instituto de Investigacão e Inovacão em Saúde, University of Porto, Porto, Portugal
- IBMC − Instituto de Biologia Molecular e Celular, Porto, Portugal
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26
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The interactions between cationic cellulose and Gemini surfactant in aqueous solution. Carbohydr Polym 2016; 141:68-74. [DOI: 10.1016/j.carbpol.2015.10.082] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Revised: 10/23/2015] [Accepted: 10/26/2015] [Indexed: 11/19/2022]
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27
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Arpicco S, Battaglia L, Brusa P, Cavalli R, Chirio D, Dosio F, Gallarate M, Milla P, Peira E, Rocco F, Sapino S, Stella B, Ugazio E, Ceruti M. Recent studies on the delivery of hydrophilic drugs in nanoparticulate systems. J Drug Deliv Sci Technol 2016. [DOI: 10.1016/j.jddst.2015.09.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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28
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Bergonzi MC, Guccione C, Grossi C, Piazzini V, Torracchi A, Luccarini I, Casamenti F, Bilia AR. Albumin Nanoparticles for Brain Delivery: A Comparison of Chemical versus Thermal Methods and in vivo Behavior. ChemMedChem 2016; 11:1840-9. [PMID: 26947767 DOI: 10.1002/cmdc.201600080] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 02/15/2016] [Indexed: 01/11/2023]
Abstract
Human serum albumin nanoparticles (NPs) have gained considerable attention owing to their high loading capacity for various drugs and the fact that they are well tolerated. The aim of this work was to investigate two different methods to produce NPs without the use of organic solvents and to obtain useful drug-delivery systems to cross the blood-brain barrier. NPs were obtained by coacervation, using both chemical and thermal cross-linking processes. They were developed and optimized to target brain tissues after parenteral administration in healthy rats. Furthermore, their distribution, cellular uptake, and fate were investigated in vivo after intracerebral injection in healthy rats. The toxicity of the developed carriers was estimated by behavioral tests. All NPs were chemically and physically characterized by dynamic light scattering, transmission electron microscopy, and high-performance liquid chromatography coupled with diode array and fluorimetric detectors. Their distribution and fate in the brain were evaluated by fluorescence microscopy. NPs were observed to be located in different brain tissues depending on the mode of injection, and did not induce an inflammatory response. Behavioral tests demonstrated no locomotor, explorative, or cognitive function impairment induced by the NPs.
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Affiliation(s)
- Maria C Bergonzi
- Department of Chemistry, Building of Pharmaceutical Sciences, University of Florence, Via Ugo Schiff 6, 50019, Sesto Fiorentino, FI, Italy.
| | - Clizia Guccione
- Department of Chemistry, Building of Pharmaceutical Sciences, University of Florence, Via Ugo Schiff 6, 50019, Sesto Fiorentino, FI, Italy
| | - Cristina Grossi
- Department of Neuroscience, Psychology, Drug Research and Child Health, Division of Pharmacology and Toxicology, University of Florence, 50139, Florence, FI, Italy
| | - Vieri Piazzini
- Department of Chemistry, Building of Pharmaceutical Sciences, University of Florence, Via Ugo Schiff 6, 50019, Sesto Fiorentino, FI, Italy
| | - Andrea Torracchi
- Department of Chemistry, Building of Pharmaceutical Sciences, University of Florence, Via Ugo Schiff 6, 50019, Sesto Fiorentino, FI, Italy
| | - Ilaria Luccarini
- Department of Neuroscience, Psychology, Drug Research and Child Health, Division of Pharmacology and Toxicology, University of Florence, 50139, Florence, FI, Italy
| | - Fiorella Casamenti
- Department of Neuroscience, Psychology, Drug Research and Child Health, Division of Pharmacology and Toxicology, University of Florence, 50139, Florence, FI, Italy
| | - Anna R Bilia
- Department of Chemistry, Building of Pharmaceutical Sciences, University of Florence, Via Ugo Schiff 6, 50019, Sesto Fiorentino, FI, Italy
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29
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Kesharwani P, Jain A, Jain A, Jain AK, Garg NK, Tekade RK, Raj Singh TR, Iyer AK. Cationic bovine serum albumin (CBA) conjugated poly lactic-co-glycolic acid (PLGA) nanoparticles for extended delivery of methotrexate into brain tumors. RSC Adv 2016. [DOI: 10.1039/c6ra17290c] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Current strategies for the treatment of brain tumors have been hindered primarily by the presence of the highly lipophilic, insurmountable blood–brain barrier (BBB).
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Affiliation(s)
- Prashant Kesharwani
- The International Medical University
- School of Pharmacy
- Department of Pharmaceutical Technology
- Kuala Lumpur
- Malaysia
| | - Ashay Jain
- Department of Pharmaceutical Sciences
- Dr Hari Singh Gour University
- Sagar
- India
| | - Atul Jain
- Department of Pharmaceutical Sciences
- Dr Hari Singh Gour University
- Sagar
- India
| | - Amit K. Jain
- Department of Pharmaceutical Sciences
- Dr Hari Singh Gour University
- Sagar
- India
| | - Neeraj Kumar Garg
- Department of Pharmaceutical Sciences
- Dr Hari Singh Gour University
- Sagar
- India
| | - Rakesh Kumar Tekade
- National Institute of Pharmaceutical Education and Research (NIPER)
- Ahmedabad-380054
- India
| | | | - Arun K. Iyer
- Use-inspired Biomaterials & Integrated Nano Delivery (U-BiND) Systems Laboratory
- Department of Pharmaceutical Sciences
- Eugene Applebaum College of Pharmacy and Health Sciences
- Wayne State University
- Detroit
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30
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Jain A, Jain A, Garg NK, Tyagi RK, Singh B, Katare OP, Webster TJ, Soni V. Surface engineered polymeric nanocarriers mediate the delivery of transferrin-methotrexate conjugates for an improved understanding of brain cancer. Acta Biomater 2015; 24:140-51. [PMID: 26116986 DOI: 10.1016/j.actbio.2015.06.027] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Revised: 04/22/2015] [Accepted: 06/20/2015] [Indexed: 02/07/2023]
Abstract
The objective of present study was to enhance permeation of bioactive molecules across blood brain barrier (BBB) through polysorbate 80 coated poly-lactic-co-glycolic acid (PLGA) nanoparticles (NPs) loaded with methotrexate-transferrin (Tw-Mtx-Tf-NP) conjugates (Mtx-Tf). The easy trans-BBB migration of developed formulations through endocytosis, and inhibition of P-gp efflux pump present in brain were established by Pluronic F-68 and/or polysorbate 80 (Tween 80/Tw). The over-expression of transferrin (Tf) receptors on cancer cell surface allowed targeted and sustained delivery of Mtx-Tf conjugated to brain cancer cells by receptor mediated endocytosis. The developed formulations showed improved penetration in comparison to non-targeting experimental NP controls. The transportation potential and bio-distribution studies of such nanosized polymeric carriers showing successful migration and trans-BBB passage was carried out by administering FITC labeled drug loaded NPs to albino rats through intravenous route. We have validated anti-tumor efficiency of newly formulated and drug loaded NPs compared to controls in experimentally induced tumor-harboring rat model. The present study suggests greater compatibility, less organ toxicity and higher anti-tumor activity of developed formulations due to their targeting and sustained delivery potential in cancer therapeutic interventions. In conclusion, our findings of targeted and sustained drug delivery potential of NPs for are corroborated with in vitro and in vivo evidence, and formulated novel delivery vehicle shows its value in developing new tools for treating brain cancer.
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Affiliation(s)
- Atul Jain
- Department of Pharmaceutical Sciences, Dr. Hari Singh Gour University, Sagar, M.P. 470003, India; Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India; UGC-Centre of Excellence in Applications of Nanomaterials, Nanoparticles & Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh 160014, India
| | - Ashay Jain
- Department of Pharmaceutical Sciences, Dr. Hari Singh Gour University, Sagar, M.P. 470003, India; Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Neeraj K Garg
- Department of Pharmaceutical Sciences, Dr. Hari Singh Gour University, Sagar, M.P. 470003, India; Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Rajeev K Tyagi
- Department of Periodontics, College of Dental Medicine Georgia Regents University, 1120 15th Street, Augusta, GA 30912, USA
| | - Bhupinder Singh
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India; UGC-Centre of Excellence in Applications of Nanomaterials, Nanoparticles & Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh 160014, India
| | - Om Prakash Katare
- Drug Delivery Research Group, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA; The Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Vandana Soni
- Department of Pharmaceutical Sciences, Dr. Hari Singh Gour University, Sagar, M.P. 470003, India.
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31
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Lee YD, Cho HJ, Choi MH, Park H, Bang J, Lee S, Kwon IC, Kim S. Directed molecular assembly into a biocompatible photosensitizing nanocomplex for locoregional photodynamic therapy. J Control Release 2015; 209:12-9. [PMID: 25872152 DOI: 10.1016/j.jconrel.2015.04.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/26/2015] [Accepted: 04/09/2015] [Indexed: 11/30/2022]
Abstract
Methylene blue (MB), a water-soluble cationic dye widely used in the clinic, is known to photosensitize the generation of cytotoxic singlet oxygen efficiently, and thus, has attracted interest as a potential drug for photodynamic therapy (PDT). However, its use for the in vivo PDT of cancer has been limited due to the inherently poor cell/tissue accumulation and low biological stability in the free molecular form. Here, we report a simple and biocompatible nanocomplex formulation of MB (NanoMB) that is useful for in vivo locoregional cancer treatment by PDT. NanoMB particles were constructed through the self-assembly of clinically usable molecules (MB, fatty acid and a clinically approved polymer surfactant) directed by the dual (electrostatic and hydrophobic) interactions between the ternary constituents. The nanocomplexed MB showed greatly enhanced cell internalization while keeping the photosensitization efficiency as high as free MB, leading to distinctive phototoxicity toward cancer cells. When administered to human breast cancer xenograft mice by peritumoral injection, NanoMB was capable of facile penetration into the tumor followed by cancer cell accumulation, as examined in vivo and histologically with the near-infrared fluorescence signal of MB. The quintuple PDT treatment by a combination of peritumorally injected NanoMB and selective laser irradiation suppressed the tumor volume efficaciously, demonstrating potential of NanoMB-based PDT as a biocompatible and safe method for adjuvant locoregional cancer treatment.
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Affiliation(s)
- Yong-Deok Lee
- Center for Theragnosis, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, South Korea; Department of Chemical and Biological Engineering, Korea University, 5-1 Anam-dong, Seongbuk-gu, Seoul 136-701, South Korea
| | - Hong-Jun Cho
- Center for Theragnosis, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, South Korea
| | - Mi-Hwa Choi
- Center for Theragnosis, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, South Korea
| | - Hoyong Park
- Department of Surgery, Kyungpook National University Hospital, Daegu 700-721, South Korea
| | - Joona Bang
- Department of Chemical and Biological Engineering, Korea University, 5-1 Anam-dong, Seongbuk-gu, Seoul 136-701, South Korea
| | - Sangyoup Lee
- Center for Theragnosis, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, South Korea
| | - Ick Chan Kwon
- Center for Theragnosis, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, South Korea
| | - Sehoon Kim
- Center for Theragnosis, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, South Korea.
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Synthesis, Characterization and Cytotoxicity Evaluation of an Oleic Acid Derived Novel Bicephalous Dianionic Surfactant. J SURFACTANTS DETERG 2015. [DOI: 10.1007/s11743-015-1678-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Bagherifam S, Griffiths GW, Mælandsmo GM, Nyström B, Hasirci V, Hasirci N. Poly(sebacic anhydride) nanocapsules as carriers: effects of preparation parameters on properties and release of doxorubicin. J Microencapsul 2014; 32:166-74. [PMID: 25323326 DOI: 10.3109/02652048.2014.973073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Poly(sebacic anhydride) (PSA) is a promising polymer for the production of drug delivery vehicles. The aim of this work is to study the effect of preparation parameters on the quality of the nanoparticles. In this study, doxorubicin (DOX)-loaded PSA nanocapsules were prepared by an emulsion method. Effects of factors such as type of organic solvent, co-solute (surfactant) and its concentration on drug-loading efficiency, particle size and size distribution, morphology and release profile were examined to gain insight in the preparation and stability of nanostructures. Particles with sizes in the range of 218-1198 nm were prepared. The smallest particles with a narrow size distribution were prepared by using polyvinyl alcohol as a co-solute and dichloromethane as a solvent. Efficiency and intracellular release of doxorubicin from the formulated particles were studied on MDA-MB-231 cells. It was observed that DOX-loaded PSA particles can diffuse into the cells and intracellular antitumour activity is directly related to the released amount of drug from the PSA nanocapsules.
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Affiliation(s)
- Shahla Bagherifam
- Graduate Department of Polymer Science and Technology, Middle East Technical University , Ankara , Turkey
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Qin M, Zong H, Kopelman R. Click conjugation of peptide to hydrogel nanoparticles for tumor-targeted drug delivery. Biomacromolecules 2014; 15:3728-34. [PMID: 25162488 DOI: 10.1021/bm501028c] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Here we introduce a modified peptide-decorated polymeric nanoparticle (NP) for cancer cell targeting, which can deliver drugs, such as doxorubicin (Dox), to several kinds of cancer cells. Specifically, we employ a nucleolin-targeting NP, with a matrix based on a copolymer of acrylamide (AAm) and 2-carboxyethyl acrylate (CEA). The negatively charged co(CEA-AAm) NP was conjugated with a nucleolin-targeting F3 peptide using a highly efficient and specific copper(I) catalyzed azide-alkyne click reaction. F3 peptide binds to angiogenic tumor vasculatures and other nucleolin overexpressing tumor cells. Attaching F3 peptide onto the NP increases the NP uptake by the nucleolin-expressing glioma cell line 9L and the breast cancer cell line MCF-7. Notably, the F3-conjugated NPs show much higher uptake by the nucleolin-overexpressing glioma cell line 9L than that by the breast cancer cell line MCF-7, the latter having a lower expression of nucleolin on its plasma membrane surface. Moreover, the F3 peptide also dramatically enhances the uptake of co(CEA-AAm) NPs by the drug-resistant cell line NCI/ADR-RES. Also, with this F3-conjugated co(CEA-AAm) NP, a high loading and slow release of doxorubicin were achieved.
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Affiliation(s)
- Ming Qin
- Department of Chemistry and ‡Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan , Ann Arbor, Michigan 48109, United States
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pH-responsive nano carriers for doxorubicin delivery. Pharm Res 2014; 32:1249-63. [PMID: 25288014 DOI: 10.1007/s11095-014-1530-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 09/22/2014] [Indexed: 10/24/2022]
Abstract
PURPOSE The aim of this study was to design stimuli-responsive nanocarriers for anti-cancer drug delivery. For this purpose, doxorubicin (DOX)-loaded, polysebacic anhydride (PSA) based nanocapsules (NC) were combined with pH-sensitive poly (L-histidine) (PLH). METHOD PSA nano-carriers were first loaded with DOX and were coated with poly L-histidine to introduce pH sensitivity. The PLH-coated NCs were then covered with polyethylene glycol (PEG) to reduce macrophage uptake. The drug release profile from this system was examined in two different buffer solutions prepared as acidic (pH5) and physiological (pH 7.4) media. The physical and chemical properties of the nanocapsules were characterized by Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), ultraviolet and visible absorption spectroscopy (UV-VIS), and scanning electron microscopy (SEM). In vitro studies of the prepared nanocapsules were conducted in MDA-MB-231 breast cancer cells. RESULTS The results obtained by SEM and DLS revealed that nanocapsules have spherical morphology with an average size of 230 nm. Prepared pH sensitive nanocapsules exhibited pH-dependent drug release profile and promising intracellular release of drug. PEGylation of nanoparticles significantly prevented macrophage uptake compared to non-PEGylated particles.
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36
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Influence of aquo-organic solvent media on the self-aggregation of sodium dodecyl sulfate (SDS) and its interaction with polyvinylpyrrolidone (PVP). Colloid Polym Sci 2014. [DOI: 10.1007/s00396-014-3273-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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37
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Maiti S, Mondol R, Sa B. Nanoreticulations of etherified locust bean polysaccharide for controlled oral delivery of lamivudine. Int J Biol Macromol 2014; 65:193-9. [DOI: 10.1016/j.ijbiomac.2014.01.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Revised: 12/24/2013] [Accepted: 01/16/2014] [Indexed: 11/16/2022]
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Pokharkar V, Patil V, Mandpe L. Engineering of polymer-surfactant nanoparticles of doxycycline hydrochloride for ocular drug delivery. Drug Deliv 2014; 22:955-68. [PMID: 24601827 PMCID: PMC11132597 DOI: 10.3109/10717544.2014.893381] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 02/07/2014] [Accepted: 02/07/2014] [Indexed: 01/30/2023] Open
Abstract
CONTEXT Physiologic barriers of the eye, short precorneal drug residence time and poor corneal penetration are the few reasons for reduced ocular bioavailability. OBJECTIVE This study was aimed to develop novel polymer-surfactant nanoparticles of hydrophilic drug doxycycline hydrochloride (DXY) to improve precorneal residence time and drug penetration. MATERIALS AND METHODS Nanoparticles were formulated using emulsion cross-linking method and the formulation was optimized using factorial design. The prepared formulation was characterized for particle size, ζ potential, encapsulation efficiency, in vitro drug release and ex vivo drug diffusion studies. The antibacterial activity studies were also carried out against Escherichia coli and Staphylococcus aureus using the cup-plate method. In vivo eye irritation study was carried out by a modified Draize test in rabbits. RESULTS AND DISCUSSION The particle size was found to be in the range of 331-850 nm. About 45-80% of the drug was found to be encapsulated in the nanoparticles. In vitro release demonstrated sustained release profile. Lower flux values in case of nanoparticles as compared to DXY pure drug solution in ex vivo diffusion studies confirmed the sustained release. The nanoparticles were found to be significantly effective (p < 0.001) than DXY aqueous solution due to sustained release of doxycycline from nanoparticles in both the E. coli and S. aureus strains. The formulation was found to be stable over entire stability period. CONCLUSION The developed formulation is safe and suitable for sustained ocular drug delivery.
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Affiliation(s)
- Varsha Pokharkar
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, Maharashtra, India
| | - Vikram Patil
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, Maharashtra, India
| | - Leenata Mandpe
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth University, Pune, Maharashtra, India
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Manuja A, Kumar S, Dilbaghi N, Bhanjana G, Chopra M, Kaur H, Kumar R, Manuja BK, Singh SK, Yadav SC. Quinapyramine sulfate-loaded sodium alginate nanoparticles show enhanced trypanocidal activity. Nanomedicine (Lond) 2014; 9:1625-34. [PMID: 24405513 DOI: 10.2217/nnm.13.148] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM To reduce the dose, toxic effects and to ensure sustained release of quinapyramine sulfate (QS), a highly effective drug against Trypanosoma evansi. MATERIALS & METHODS QS-loaded sodium alginate nanoparticles (QS-NPs) were formed by emulsion-crosslinking technology using dioctyl-sodium-sulfosuccinate and sodium alginate. The formulation was characterized for size, stability, morphology and functional groups by a zetasizer, scanning electron microscopy, atomic force microscopy, transmission electron microscopy and Fourier transform infrared spectroscopy. In vitro safety and toxicity studies were performed by metabolic assay in Vero cell lines, and in vivo efficacy was evaluated in mice. RESULTS QS-NPs were <60 nm with 96.48% entrapment efficiency and 3.70% drug loading. The formulation showed an initial burst effect followed by slow drug release in accordance with quasi-Fickian Higuchi diffusion mechanism. QS-NPs were much less toxic and able to clear the parasite at a much lower concentration than QS. CONCLUSION The QS-NPs synthesized are safe, less toxic and highly effective compared with QS.
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Affiliation(s)
- Anju Manuja
- National Research Center on Equines, Sirsa road, Hisar 125001, Haryana, India
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Kumar S, Bhanjana G, Sharma A, Sidhu M, Dilbaghi N. Synthesis, characterization and on field evaluation of pesticide loaded sodium alginate nanoparticles. Carbohydr Polym 2014; 101:1061-7. [DOI: 10.1016/j.carbpol.2013.10.025] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 09/11/2013] [Accepted: 10/09/2013] [Indexed: 10/26/2022]
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41
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Naskar B, Ghosh S, Moulik SP. Interaction of normal and reverse pluronics (L44 and 10R5) and their mixtures with anionic surfactant sodium N-dodecanoylsarcosinate. J Colloid Interface Sci 2013; 414:82-9. [PMID: 24231088 DOI: 10.1016/j.jcis.2013.10.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Revised: 10/01/2013] [Accepted: 10/03/2013] [Indexed: 11/17/2022]
Abstract
Interaction of monomeric normal L44 [(PEO)10(PPO)23(PEO)10]) and reverse 10R5 [(PPO)8(PEO)22(PPO)8] pluronics designated as L and R, respectively, and their mixtures with the anionic surfactant sodium N-dodecanoylsarcosinate (SDDS) in aqueous medium has been studied by tensiometry, conductometry, calorimetry and dynamic light scattering methods. The critical aggregation concentration (CAC), concentration of maximum binding (CS), and the extended critical micelle concentration (CMCe) of SDDS resulted from the interaction have been presented. L has shown the formation of CAC, CS and CMCe, whereas R has shown the absence of CAC but the presence of both CS and CMCe. Micellization of SDDS is an endothermic process whereas the formation of CAC and CMCe is exothermic events, the formation of CS is endothermic. The hydrodynamic diameter (Dh) and zeta potential of L and R, and their SDDS interacted species have been determined. Dh decreased with increasing SDDS concentration for L whereas it was invariant for R. Mixed L and R in varied proportions have been also examined in the solution state to probe into their mutual interaction, and interaction with SDDS. The formation of CAC of their mixtures was absent; CMCe formation was exothermic while that of CS was endothermic like their individuals.
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Affiliation(s)
- Bappaditya Naskar
- Centre for Surface Science, Department of Chemistry, Jadavpur University, Kolkata 700032, India
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Chitkara D, Kumar N. BSA-PLGA-based core-shell nanoparticles as carrier system for water-soluble drugs. Pharm Res 2013; 30:2396-409. [PMID: 23756758 DOI: 10.1007/s11095-013-1084-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 05/12/2013] [Indexed: 10/26/2022]
Abstract
PURPOSE Preparation, optimization and in vitro evaluation of core-shell nanoparticles comprising of a hydrophilic core of BSA surrounded by a hydrophobic shell of PLGA for loading water-soluble drugs. METHODS A double emulsion method was optimized for preparation of BSA-PLGA based core-shell nanoparticles. Proof of concept for core-shell type structure was established by visual techniques like confocal microscopy and TEM. Characterization was done for particle size, encapsulation efficiency, drug loading and in vitro drug release. Cellular uptake was assessed using confocal microscopy, bio-TEM and HPLC assay, and cytotoxic activity was tested by MTT assay in MG-63 osteosarcoma cells. RESULTS The optimized core-shell nanoparticles showed a particle size of 243 nm (PDI-0.13) and encapsulation efficiency of 40.5% with a drug loading of 8.5% w/w. In vitro drug release studies showed a sustained release for 12 h. Cellular uptake studies indicated a rapid and efficient uptake within 2 h. TEM studies indicated that the core-shell nanoparticles were localized in cytoplasm region of the cells. Gemcitabine loaded core-shell nanoparticles showed enhanced cytotoxicity against MG-63 cells as compared to marketed formulation of gemcitabine (GEMCITE®). CONCLUSION These results indicate that core-shell nanoparticles can be a good carrier system for delivering hydrophilic drugs like gemcitabine successfully to the cells with enhanced efficacy.
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Affiliation(s)
- Deepak Chitkara
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S Nagar, Punjab, 160 062, India
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Liu P, Zhao X. Facile preparation of well-defined near-monodisperse chitosan/sodium alginate polyelectrolyte complex nanoparticles (CS/SAL NPs) via ionotropic gelification: a suitable technique for drug delivery systems. Biotechnol J 2013; 8:847-54. [PMID: 23625874 DOI: 10.1002/biot.201300093] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 04/16/2013] [Accepted: 04/24/2013] [Indexed: 01/06/2023]
Abstract
Polymeric nanoparticles have emerged as a promising approach for drug delivery systems. We prepared chitosan (CS)/sodium alginate (SAL) polyelectrolyte complex nanoparticles (CS/SAL NPs) via a simple and mild ionic gelation method by adding a CS solution to a SAL solution, and investigated the effects of molecular weight of the added CS, and the SAL:CS mass ratio on the formation of the polyelectrolyte complex nanoparticles. The well-defined CS/SAL NPs with near-monodisperse particle size of about 160 nm exhibited a pH stable structure, and pH responsive properties with a negatively or positively charged surface. The so-called "electrostatic sponge" structure of the polyelectrolyte complex nanoparticles enhanced their drug-loading capacity towards the differently charged model drug molecules, and favored controlled release. We also found that the drug-loading capacity was influenced by the nature of the drugs and the drug-loading media, while drug release was affected by the solubility of the drugs in the drug-releasing media. The biocompatibility and biodegradability of the polyelectrolytes in the polyelectrolyte complex nanoparticles were maintained by ionic interactions. These results indicate that CS/SAL NPs can represent a useful technique for pH-responsive drug delivery systems.
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Affiliation(s)
- Peng Liu
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China.
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Smitha KT, Anitha A, Furuike T, Tamura H, Nair SV, Jayakumar R. In vitro evaluation of paclitaxel loaded amorphous chitin nanoparticles for colon cancer drug delivery. Colloids Surf B Biointerfaces 2012; 104:245-53. [PMID: 23337120 DOI: 10.1016/j.colsurfb.2012.11.031] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2012] [Revised: 11/03/2012] [Accepted: 11/18/2012] [Indexed: 12/13/2022]
Abstract
Chitin and its derivatives have been widely used in drug delivery applications due to its biocompatible, biodegradable and non-toxic nature. In this study, we have developed amorphous chitin nanoparticles (150±50 nm) and evaluated its potential as a drug delivery system. Paclitaxel (PTX), a major chemotherapeutic agent was loaded into amorphous chitin nanoparticles (AC NPs) through ionic cross-linking reaction using TPP. The prepared PTX loaded AC NPs had an average diameter of 200±50 nm. Physico-chemical characterization of the prepared nanoparticles was carried out. These nanoparticles were proven to be hemocompatible and in vitro drug release studies showed a sustained release of PTX. Cellular internalization of the NPs was confirmed by fluorescent microscopy as well as by flow cytometry. Anticancer activity studies proved the toxicity of PTX-AC NPs toward colon cancer cells. These preliminary results indicate the potential of PTX-AC NPs in colon cancer drug delivery.
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Affiliation(s)
- K T Smitha
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, India
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Synthesis and characterization of doxorubicin-loaded poly(lactide-co-glycolide) nanoparticles as a sustained-release anticancer drug delivery system. Appl Biochem Biotechnol 2012; 168:1434-47. [PMID: 22976852 DOI: 10.1007/s12010-012-9868-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Accepted: 08/27/2012] [Indexed: 02/05/2023]
Abstract
The objective of the present study was to prepare a polymeric drug delivery system with no burst effect. To attain this goal, doxorubicin (Dox) as an effective anticancer drug was loaded into poly(lactide-co-glycolide) (PLGA) nanoparticles (NPs) to improve the drug performance and also maximize the release period. After the synthesis process, the freshly made PLGA NPs with two different lactide-to-glycolide ratios (75:25 and 50:50) were evaluated physically and chemically. To determine the encapsulation efficiency, a centrifugation method was applied. Also, the drug loading effect on particle size, polydispersity index, and zeta potential was examined. The results indicated that the NPs had nearly the same diameters around 360 nm, and the entrapment efficiencies for 75:25 PLGA and 50:50 PLGA were reported around 39 and 48 %, respectively. A slight increase in all parameters was observed due to the increase of the drug loading content. The primary release was 7.91 % (w/w) and 14.70 % (w/w) for 75:25 and 50:50 drug-loaded NPs, respectively; no burst effect was observed. After 20 days, the drug release was around 70.98 and 62.22 % of the total entrapped drug for 75:25 and 50:50 drug-loaded NPs, respectively. Finally, it was found that Dox was an appropriate anticancer agent with good capability to be encapsulated in polymeric NPs and could be released from the carriers with no burst effect and favor rate.
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Hussein AS, Abdullah N, Fakru'l-razi A. Optimizing the Process Parameters for Encapsulation of Linamarin into PLGA Nanoparticles Using Double Emulsion Solvent Evaporation Technique. ADVANCES IN POLYMER TECHNOLOGY 2012. [DOI: 10.1002/adv.21295] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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47
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Solution properties and microstructure of cationic cellulose/sodium dodecyl benzene sulfonate complex system. Carbohydr Polym 2012. [DOI: 10.1016/j.carbpol.2011.11.081] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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48
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Strategies for the nanoencapsulation of hydrophilic molecules in polymer-based nanoparticles. Biomaterials 2011; 32:8593-604. [DOI: 10.1016/j.biomaterials.2011.07.057] [Citation(s) in RCA: 207] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Accepted: 07/17/2011] [Indexed: 11/20/2022]
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Vrignaud S, Anton N, Gayet P, Benoit JP, Saulnier P. Reverse micelle-loaded lipid nanocarriers: A novel drug delivery system for the sustained release of doxorubicin hydrochloride. Eur J Pharm Biopharm 2011; 79:197-204. [DOI: 10.1016/j.ejpb.2011.02.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Revised: 02/14/2011] [Accepted: 02/15/2011] [Indexed: 10/18/2022]
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50
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Naskar B, Ghosh S, Nagadome S, Sugihara G, Moulik SP. Behavior of the amphiphile CHAPS alone and in combination with the biopolymer inulin in water and isopropanol-water media. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:9148-9159. [PMID: 21667919 DOI: 10.1021/la201119c] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Self-aggregation of the zwitterionic surfactant 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate (CHAPS) in water and isopropanol-water media, and interaction of the amphiphile with the biopolymer inulin in these media were investigated. The micellar properties of the zwitterionic surfactant and its associated interfacial and bulk properties along with the related energetic, and aggregation number were determined. The different stages of interaction of the CHAPS-inulin combines were identified and assessed. The complexes were formed and aggregated in solution at different stages of their molecular compositions. The aggregated sizes were determined by dynamic light scattering study and the morphology in the solvent removed states were examined using scanning electron microscope and transmission electron microscope techniques. The results witnessed formation of ensembles of varied and striking patterns.
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Affiliation(s)
- Bappaditya Naskar
- Centre for Surface Science, Department of Chemistry, Jadavpur University, Kolkata 700032, India
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