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Bessas NC, Christine de Souza Arantes E, Cassani NM, Aquino Ruiz UE, Santos IA, Silva Martins DO, Costa Oliveira AL, Antoniucci GA, de Oliveira AHC, DeFreitas-Silva G, Gomes Jardim AC, Galvão de Lima R. Influence of diimine bidentate ligand in the nitrosyl and nitro terpyridine ruthenium complex on the HSA/DNA interaction and antiviral activity. Nitric Oxide 2024; 147:26-41. [PMID: 38614230 DOI: 10.1016/j.niox.2024.04.006] [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] [Received: 09/30/2023] [Revised: 12/05/2023] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
Nitric oxide (NO) acts in different physiological processes, such as blood pressure control, antiparasitic activities, neurotransmission, and antitumor action. Among the exogenous NO donors, ruthenium nitrosyl/nitro complexes are potential candidates for prodrugs, due to their physicochemical properties, such as thermal and physiological pH stability. In this work, we proposed the synthesis and physical characterization of the new nitro terpyridine ruthenium (II) complexes of the type [RuII(L)(NO2)(tpy)]PF6 where tpy = 2,2':6',2″-terpyridine; L = 3,4-diaminobenzoic acid (bdq) or o-phenylenediamine (bd) and evaluation of influence of diimine bidentate ligand NH.NHq-R (R = H or COOH) in the HSA/DNA interaction as well as antiviral activity. The interactions between HSA and new nitro complexes [RuII(L)(NO2)(tpy)]+ were evaluated. The Ka values for the HSA-[RuII(bdq)(NO2)(tpy)]+ is 10 times bigger than HSA-[RuII(bd)(NO2)(tpy)]+. The sites of interaction between HSA and the complexes via synchronous fluorescence suppression indicate that the [RuII(bdq)(NO2)(tpy)]+ is found close to the Trp-241 residue, while the [RuII(bd)(NO2)(tpy)]+ complex is close to Tyr residues. The interaction with fish sperm fs-DNA using direct spectrophotometric titration (Kb) and ethidium bromide replacement (KSV and Kapp) showed weak interaction in the system fs-DNA-[RuII(bdq)(NO)(tpy)]+. Furthermore, fs-DNA-[RuII(bd)(NO2)(tpy)]+ and fs-DNA-[RuII(bd)(NO)(tpy)]3+ system showed higher intercalation constant. Circular dichroism spectra for fs-DNA-[RuII(bd)(NO2)(tpy)]+ and fs-DNA-[RuII(bd)(NO)(tpy)]3+, suggest semi-intercalative accompanied by major groove binding interaction modes. The [RuII(bd)(NO2)(tpy)]+ and [RuII(bd)(NO)(tpy)]3+ inhibit replication of Zika and Chikungunya viruses based in the nitric oxide release under S-nitrosylation reaction with cysteine viral.
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Affiliation(s)
- Naiara Cristina Bessas
- Instituto de Química, Universidade Federal de Uberlândia, Avenida João Naves de Avila, 2121, 38400-902, Uberlândia, MG, Brazil
| | | | - Natasha Marques Cassani
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Uriel Enrique Aquino Ruiz
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Igor Andrade Santos
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Daniel Oliveira Silva Martins
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil; Instituto de Ciências Exatas e Naturais Do Pontal, ICENP, Universidade Federal de Uberlândia, Rua Vinte, 1600, 38304-402, Tupã, Ituiutaba, MG, Brazil
| | - Ana Laura Costa Oliveira
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Giovanna André Antoniucci
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Arthur Henrique Cavalcante de Oliveira
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, CEP 14040-901, Ribeirão Preto, SP, Brazil
| | - Gilson DeFreitas-Silva
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, 31.270-901, Belo Horizonte, MG, Brazil
| | - Ana Carolina Gomes Jardim
- Laboratory of Antiviral Research, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Renata Galvão de Lima
- Instituto de Química, Universidade Federal de Uberlândia, Avenida João Naves de Avila, 2121, 38400-902, Uberlândia, MG, Brazil; Instituto de Ciências Exatas e Naturais Do Pontal, ICENP, Universidade Federal de Uberlândia, Rua Vinte, 1600, 38304-402, Tupã, Ituiutaba, MG, Brazil.
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Bhowmik R, Roy M. Recent advances on the development of NO-releasing molecules (NORMs) for biomedical applications. Eur J Med Chem 2024; 268:116217. [PMID: 38367491 DOI: 10.1016/j.ejmech.2024.116217] [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] [Received: 12/11/2023] [Revised: 02/02/2024] [Accepted: 02/02/2024] [Indexed: 02/19/2024]
Abstract
Nitric oxide (NO) is an important biological messenger as well as a signaling molecule that participates in a broad range of physiological events and therapeutic applications in biological systems. However, due to its very short half-life in physiological conditions, its therapeutic applications are restricted. Efforts have been made to develop an enormous number of NO-releasing molecules (NORMs) and motifs for NO delivery to the target tissues. These NORMs involve organic nitrate, nitrite, nitro compounds, transition metal nitrosyls, and several nanomaterials. The controlled release of NO from these NORMs to the specific site requires several external stimuli like light, sound, pH, heat, enzyme, etc. Herein, we have provided a comprehensive review of the biochemistry of nitric oxide, recent advancements in NO-releasing materials with the appropriate stimuli of NO release, and their biomedical applications in cancer and other disease control.
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Affiliation(s)
- Rintu Bhowmik
- Department of Chemistry, National Institute of Technology Manipur, Langol, 795004, Imphal West, Manipur, India
| | - Mithun Roy
- Department of Chemistry, National Institute of Technology Manipur, Langol, 795004, Imphal West, Manipur, India.
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Awaji AA, Rizk MA, Alsaiari RA, Alqahtani NF, Al-Qadri FA, Alkorbi AS, Hafez HS, Elshaarawy RFM. Chemotherapeutic Activity of Imidazolium-Supported Pd(II) o-Vanillylidene Diaminocyclohexane Complexes Immobilized in Nanolipid as Inhibitors for HER2/neu and FGFR2/FGF2 Axis Overexpression in Breast Cancer Cells. Pharmaceuticals (Basel) 2023; 16:1711. [PMID: 38139837 PMCID: PMC10747766 DOI: 10.3390/ph16121711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/28/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Two bis-(imidazolium-vanillylidene)-(R,R)-diaminocyclohexane ligands (H2(VAN)2dach, H2L1,2) and their Pd(II) complexes (PdL1 and PdL2) were successfully synthesized and structurally characterized using microanalytical and spectral methods. Subsequently, to target the development of new effective and safe anti-breast cancer chemotherapeutic agents, these complexes were encapsulated by lipid nanoparticles (LNPs) to formulate (PdL1LNP and PdL2LNP), which are physicochemically and morphologically characterized. PdL1LNP and PdL2LNP significantly cause DNA fragmentation in MCF-7 cells, while trastuzumab has a 10% damaging activity. Additionally, the encapsulated Pd1,2LNPs complexes activated the apoptotic mechanisms through the upregulated P53 with p < 0.001 and p < 0.05, respectively. The apoptotic activity may be triggered through the activity mechanism of the Pd1,2LNPs in the inhibitory actions against the FGFR2/FGF2 axis on the gene level with p < 0.001 and the Her2/neu with p < 0.05 and p < 0.01. All these aspects have triggered the activity of the PdL1LNP and PdL2LNP to downregulate TGFβ1 by p < 0.01 for both complexes. In conclusion, LNP-encapsulated Pd(II) complexes can be employed as anti-cancer drugs with additional benefits in regulating the signal mechanisms of the apoptotic mechanisms among breast cancer cells with chemotherapeutic-safe actions.
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Affiliation(s)
- Aeshah A. Awaji
- Department of Biology, Faculty of Science, University College in Taymaa, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Moustafa A. Rizk
- Department of Chemistry, Faculty of Science and Arts at Sharurah, Najran University, Sharurah 68342, Saudi Arabia or (M.A.R.); (R.A.A.); (F.A.A.-Q.); (A.S.A.)
| | - Raiedhah A. Alsaiari
- Department of Chemistry, Faculty of Science and Arts at Sharurah, Najran University, Sharurah 68342, Saudi Arabia or (M.A.R.); (R.A.A.); (F.A.A.-Q.); (A.S.A.)
| | - Norah F. Alqahtani
- Department of Chemistry, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia;
| | - Fatima A. Al-Qadri
- Department of Chemistry, Faculty of Science and Arts at Sharurah, Najran University, Sharurah 68342, Saudi Arabia or (M.A.R.); (R.A.A.); (F.A.A.-Q.); (A.S.A.)
| | - Ali S. Alkorbi
- Department of Chemistry, Faculty of Science and Arts at Sharurah, Najran University, Sharurah 68342, Saudi Arabia or (M.A.R.); (R.A.A.); (F.A.A.-Q.); (A.S.A.)
| | - Hani S. Hafez
- Zoology Department, Faculty of Science, Suez University, Suez 43533, Egypt
| | - Reda F. M. Elshaarawy
- Department of Chemistry, Faculty of Science, Suez University, Suez 43533, Egypt
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine Universität Düsseldorf, 40204 Düsseldorf, Germany
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Fonseca M, Rehman M, Soares R, Fonte P. The Impact of Flavonoid-Loaded Nanoparticles in the UV Protection and Safety Profile of Topical Sunscreens. Biomolecules 2023; 13:biom13030493. [PMID: 36979428 PMCID: PMC10046639 DOI: 10.3390/biom13030493] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 03/10/2023] Open
Abstract
Excessive UV radiation exposure is harmful to skin cells since sunburn is accompanied by oxidative burst, leading to a rapid increase in skin cancer. However, the insufficient UV photoprotection of approved sunscreens and the negative impact of their compositions on ecosystems and human health makes the utility of sunscreen a questionable recommendation. Therefore, discovering UV filters with significant antioxidant activity and improved topical performance and photostability is an urgent need. Recently, the use of nanosized natural molecules incorporated in sunscreens has been a scientific hot topic, as it has been suggested that they provide a synergistic effect with synthetic UV filters, improving overall SPF and antioxidant activity, higher retention on the epidermis, and less toxicity. The aim of this review was to verify the usefulness of sunscreens incorporating flavonoid-loaded nanoparticles. A literature review was performed, where original and review articles published in the last 6 years were analyzed. Formulations containing nanosized flavonoids with improved UVA photoprotection and safer toxicological profiles, associated or not with synthetic filters, are promising sunscreens and more clinical investigation must be performed to validate these findings.
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Affiliation(s)
- Magda Fonseca
- EPI Unit, Department of Epidemiological Research, Institute of Public Health of University of Porto (ISPUP), Rua das Taipas 135, 4050-600 Porto, Portugal
| | - Mubashar Rehman
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Raquel Soares
- Department of Biomedicine, Faculty of Medicine, University of Porto, Al Prof Hernani Monteiro, 4200-319 Porto, Portugal
- I3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Pedro Fonte
- Center for Marine Sciences (CCMAR), Gambelas Campus, University of Algarve, 8005-139 Faro, Portugal
- Department of Chemistry and Pharmacy, Faculty of Sciences and Technology, Gambelas Campus, University of Algarve, 8005-139 Faro, Portugal
- IBB—Institute for Bioengineering and Biosciences, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Correspondence:
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Bibi M, Din FU, Anwar Y, Alkenani NA, Zari AT, Mukhtiar M, Abu Zeid IM, Althubaiti EH, Nazish H, Zeb A, Ullah I, Khan GM, Choi HG. Cilostazol-loaded solid lipid nanoparticles: Bioavailability and safety evaluation in an animal model. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103581] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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6
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 271] [Impact Index Per Article: 67.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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Oliveira CG, Dalmolin LF, Silva RTC, Lopez RFV, Maia PIS, Moreto JA. PLGA-nanoparticles loaded with a thiosemicarbazone derived palladium( ii) complex as a potential agent to new formulations for human ovarian carcinoma treatment. NEW J CHEM 2020. [DOI: 10.1039/d0nj00580k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The encapsulation process of the PdII complex [PdCl(PPh3)(PrCh)], a promising cytotoxic agent on ovarian cancer cells, in PLGA polymer was studied. The cytotoxicity results showed that the formulation led to a significant reduction of the ovarian cell viability (80% at 1 μM).
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Affiliation(s)
- Carolina G. Oliveira
- Institute of Chemistry
- Federal University of Uberlândia (UFU)
- Uberlândia
- Brazil
- Institute of Exact Sciences
| | - Luciana F. Dalmolin
- Department of Pharmaceutical Sciences
- School of Pharmaceutical Sciences of Ribeirão Preto
- University of São Paulo (USP)
- Ribeirão Preto
- Brazil
| | - R. T. C. Silva
- Institute of Exact Sciences
- Naturals and Education
- Federal University of Triângulo Mineiro (UFTM)
- Avenida Doutor Randolfo Borges Júnior
- Univerdecidade
| | - Renata F. V. Lopez
- Department of Pharmaceutical Sciences
- School of Pharmaceutical Sciences of Ribeirão Preto
- University of São Paulo (USP)
- Ribeirão Preto
- Brazil
| | - Pedro I. S. Maia
- Institute of Exact Sciences
- Naturals and Education
- Federal University of Triângulo Mineiro (UFTM)
- Avenida Doutor Randolfo Borges Júnior
- Univerdecidade
| | - Jéferson A. Moreto
- Institute of Exact Sciences
- Naturals and Education
- Federal University of Triângulo Mineiro (UFTM)
- Avenida Doutor Randolfo Borges Júnior
- Univerdecidade
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8
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Csányi E, Bakonyi M, Kovács A, Budai-Szűcs M, Csóka I, Berkó S. Development of Topical Nanocarriers for Skin Cancer Treatment Using Quality by Design Approach. Curr Med Chem 2019; 26:6440-6458. [PMID: 30444194 DOI: 10.2174/0929867325666181116143713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 06/04/2018] [Accepted: 11/11/2018] [Indexed: 01/02/2023]
Abstract
BACKGROUND One of the most compelling medical challenges of this century is the treatment of cancer and among them, skin cancer is the most common type. Thus, current treatments need to be renewed continuously to handle this challenge. OBJECTIVE This review presents considerations which can be employed during the development of nanosized formulations dedicated to the topical treatment of skin cancer. We aimed to collect and organize literature data on the treatment options for skin cancer in order to determine the required quality attributes of an effective dermal anticancer formulation. METHOD With the consideration of the Quality by Design (QbD) approach related to the development of new pharmaceutical formulations, a cost-saving process ensuring a high-quality product taking into account patient expectations, industrial and regulatory aspects can be achieved. Furthermore, this concept is highly recommended by regulatory agencies. RESULTS Our work discusses the current therapies, active agents, drug carrier systems, and evaluation methods in connection with the treatment of skin cancer and outlines Critical Quality Attributes which need to be considered during the development of a nanosized dermal anticancer formulation. CONCLUSION The first part of this review summarizes the most important topical treatment therapies for skin cancer and highlights the future therapeutic perspectives, focusing on the benefits of nanotechnology and dermal administration. The second part outlines the critical points of nanosized dermal anticancer formulation development in the view of QbD approach. Our research emphasizes the application of QbD method for a rationalized and more effective anticancer formulation development process.
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Affiliation(s)
- Erzsébet Csányi
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Szeged, H-6720, Hungary
| | - Mónika Bakonyi
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Szeged, H-6720, Hungary
| | - Anita Kovács
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Szeged, H-6720, Hungary
| | - Mária Budai-Szűcs
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Szeged, H-6720, Hungary
| | - Ildikó Csóka
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Szeged, H-6720, Hungary
| | - Szilvia Berkó
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Szeged, H-6720, Hungary
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Almeida EDP, Dipieri LV, Rossetti FC, Marchetti JM, Bentley MVLB, Nunes RDS, Sarmento VHV, Valerio MEG, Rodrigues Júnior JJ, Montalvão MM, Correa CB, Lira AAM. Skin permeation, biocompatibility and antitumor effect of chloroaluminum phthalocyanine associated to oleic acid in lipid nanoparticles. Photodiagnosis Photodyn Ther 2018; 24:262-273. [PMID: 30290231 DOI: 10.1016/j.pdpdt.2018.10.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/29/2018] [Accepted: 10/01/2018] [Indexed: 11/18/2022]
Abstract
The objective of this study was to develop and characterize lipid nanoparticles (LNs) containing chloroaluminum phthalocyanine (ClAlPc) to reduce the aggregation of the drug and improve its skin penetration and its antitumor effect. LNs were prepared and characterized by using stearic acid (SA) as solid lipid and oleic acid (OA) as liquid lipid in different proportions. in vitro and in vivo skin penetration was evaluated using modified Franz diffusion cells and fluorescence microscopy, respectively. in vitro biocompatibility and Photodynamic Therapy (PDT) were performed using L929-fibroblasts cell line and A549 cancer cell line and melanoma BF16-F10, respectively. OA promoted the increase in the encapsulation efficiency and drug loading, reaching values of 95.8% and 4%, respectively. The formulation with 40% OA (NLC 40) showed a significantly higher (p < 0.01) amount of drug retained in the skin compared to other formulations. All formulations developed were considered biocompatible. PDT evidenced the antitumor efficacy of NLC 40 with reduced cell viability for approximately 10% of cancer cells, demonstrating that the presence of OA in the NLC seems to potentialize this antitumor effect. PDT in BF16-F10 melanoma using NLC 40 resulted in a reduction in mean cell viability of approximately 99%. According to the results obtained, the systems developed may be promising for the incorporation of ClAlPc in the treatment of skin cancer by photodynamic therapy.
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Affiliation(s)
- Ellen Denise P Almeida
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, 49100-00, Brazil
| | - Lívia V Dipieri
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Fábia C Rossetti
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Juliana M Marchetti
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Maria Vitória L B Bentley
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Rogéria de S Nunes
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, 49100-00, Brazil
| | - Víctor Hugo V Sarmento
- Departament of Chemistry, Federal University of Sergipe, Itabaiana, Sergipe, 49500-000, Brazil
| | - Mário Ernesto G Valerio
- Departament of Physics, Federal University of Sergipe, São Cristóvão, Sergipe, 49100-000, Brazil
| | | | - Monalisa M Montalvão
- Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, 49100-000, Brazil
| | - Cristiane B Correa
- Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, 49100-000, Brazil
| | - Ana Amélia M Lira
- Departament of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, 49100-00, Brazil.
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10
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Shende P, Vaidya J, Gaud RS. Pharmacotherapeutic approaches for transportation of anticancer agents via skin. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:S423-S433. [PMID: 30095010 DOI: 10.1080/21691401.2018.1498349] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Cancer is the largest family of diseases that involve abnormal uncontrolled cell growth which metastasizes to other parts of the body. The most common type of cancers includes lung, liver, colorectal, prostate, stomach, breast and cervical cancer with skin cancer excluding melanoma (contribute up to 40% of the cases). The conventional treatment approaches like surgery, chemotherapy, etc., have several side effects such as severe inflammation and pain. Hence, pharmacotherapeutic approaches of antineoplastic agents can be advantageous for treating various forms of cancer through the skin. Novel transdermal techniques and preparations have been emerged to overcome the limitations of skin and to penetrate inside the cancerous cells by transporting through the deeper tissues of the skin. The transdermal penetration of drugs using different formulations such as nanocarriers, physical penetration enhancement techniques, chemical penetration enhancers and newer technologies such as gels, dendrimers, needle-free injection jet etc., show improved patient compliance, abolition of scars and economic value. The topical delivery of antineoplastic agents is an attractive choice for increasing site-specific delivery, reducing side effects and improving therapeutic effects. The objective of this review is to present insights into pharmacotherapeutic techniques, which can be used for transdermal delivery of anticancer agents through skin due to its potential to create a new frontier in treatment of cancer.
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Affiliation(s)
- Pravin Shende
- a Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management , SVKM's NMIMS , V. L. Mehta Road, Vile Parle (West) , Mumbai , India
| | - Jai Vaidya
- a Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management , SVKM's NMIMS , V. L. Mehta Road, Vile Parle (West) , Mumbai , India
| | - R S Gaud
- a Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management , SVKM's NMIMS , V. L. Mehta Road, Vile Parle (West) , Mumbai , India
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11
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Leiva MC, Ortiz R, Contreras-Cáceres R, Perazzoli G, Mayevych I, López-Romero JM, Sarabia F, Baeyens JM, Melguizo C, Prados J. Tripalmitin nanoparticle formulations significantly enhance paclitaxel antitumor activity against breast and lung cancer cells in vitro. Sci Rep 2017; 7:13506. [PMID: 29044153 PMCID: PMC5647375 DOI: 10.1038/s41598-017-13816-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 09/29/2017] [Indexed: 01/24/2023] Open
Abstract
Paclitaxel (PTX) is one of the drugs of choice in the treatment of breast and lung cancer. However, its severe side effects, including mielosuppression, cardiotoxicity and neurotoxicity, frequently cause treatment to be discontinued. Solid lipid nanoparticles (NPs) of glyceril tripalmitate (tripalmitin) loaded with PTX (Tripalm-NPs-PTX) including modifications by the addition of hexa(ethylene glycol), β-cyclodextrin and macelignan were developed. All NPs-PTX formulations displayed excellent hemocompatibility and significantly enhanced PTX antitumor activity in human breast (MCF7, MDAMB231, SKBR3 and T47D) and lung (A549, NCI-H520 and NCI-H460) cancer cells. Tripalm-NPs-PTX decreased PTX IC50 by as much as 40.5-fold in breast and 38.8-fold in lung cancer cells and Tripalm-NPs-PTX macelignan inhibited P-glycoprotein in resistant tumor cells. In addition, Tripalm-NPs-PTX significantly decreased the volume of breast and lung multicellular tumor spheroids that mimics in vivo tumor mass. Finally, Tripalm-NPs-PTX decreased the PTX IC50 of cancer stem cells (CSCs) derived from both lung and breast cancer cells (6.7- and 14.9-fold for MCF7 and A549 CSCs, respectively). These results offer a new PTX nanoformulation based on the use of tripalmitin which improves the antitumor activity of PTX and that may serve as an alternative PTX delivery system in breast and lung cancer treatment.
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Affiliation(s)
- María Carmen Leiva
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100, Granada, Spain.,Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071, Granada, Spain.,Biosanitary Institute of Granada (ibs. GRANADA), SAS-Universidad de Granada, 18014, Granada, Spain
| | - Raúl Ortiz
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100, Granada, Spain.,Department of Health Science, University of Jaén, 23071, Jaén, Spain
| | | | - Gloria Perazzoli
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100, Granada, Spain
| | - Iryna Mayevych
- Department of Organic Chemistry, Faculty of Science. University of Málaga, 29071, Málaga, Spain
| | - Juan Manuel López-Romero
- Department of Organic Chemistry, Faculty of Science. University of Málaga, 29071, Málaga, Spain.
| | - Francisco Sarabia
- Department of Organic Chemistry, Faculty of Science. University of Málaga, 29071, Málaga, Spain
| | - Jose Manuel Baeyens
- Department of Pharmacology, Institute of Neuroscience, Biomedical Research Center (CIBM), University of Granada, 18100, Granada, Spain
| | - Consolación Melguizo
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100, Granada, Spain.,Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071, Granada, Spain.,Biosanitary Institute of Granada (ibs. GRANADA), SAS-Universidad de Granada, 18014, Granada, Spain
| | - Jose Prados
- Institute of Biopathology and Regenerative Medicine (IBIMER), Center of Biomedical Research (CIBM), University of Granada, 18100, Granada, Spain.,Department of Anatomy and Embryology, Faculty of Medicine, University of Granada, 18071, Granada, Spain.,Biosanitary Institute of Granada (ibs. GRANADA), SAS-Universidad de Granada, 18014, Granada, Spain
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12
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Kelidari HR, Saeedi M, Akbari J, Morteza-semnani K, Valizadeh H, Maniruzzaman M, Farmoudeh A, Nokhodchi A. Development and Optimisation of Spironolactone Nanoparticles for Enhanced Dissolution Rates and Stability. AAPS PharmSciTech 2017; 18:1469-1474. [PMID: 27834054 DOI: 10.1208/s12249-016-0621-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 08/17/2016] [Indexed: 11/30/2022] Open
Abstract
Stable solid lipid nanoparticles (SLNs) and nanostructured lipid carriers (NLCs) formulations to enhance the dissolution rates of poorly soluble drug spironolactone (SP) were being developed. Probe ultra-sonication method was used to prepare SLNs and NLCs. All NLCs contained stearic acid (solid lipid carrier) and oleic acid (liquid lipid content), whereas, SLNs were prepared and optimised by using the solid lipid only. The particles were characterised in terms of particle size analysis, thermal behaviour, morphology, stability and in vitro release. The zeta sizer data revealed that the increase in the concentration of oleic acid in the formulations reduced the mean particle size and the zeta potential. The increase in concentration of oleic acid from 0 to 30% (w/w) resulted in a higher entrapment efficiency. All nanoparticles were almost spherically shaped with an average particle size of about ∼170 nm. The DSC traces revealed that the presence of oleic acid in the NLC formulations resulted in a shift in the melting endotherms to a higher temperature. This could be attributed to a good long-term stability of the nanoparticles. The stability results showed that the particle size remained smaller in NLC compared to that of SLN formulations after 6 months at various temperatures. The dissolution study showed about a 5.1- to 7.2-fold increase in the release of the drug in 2 h compared to the raw drug. Comparing all nanoparticle formulations indicated that the NLC composition with a ratio of 70:30 (solid:liquid lipid) is the most suitable formulation with desired drug dissolution rates, entrapment efficiency and physical stability.
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Das S, Khuda-Bukhsh AR. PLGA-loaded nanomedicines in melanoma treatment: Future prospect for efficient drug delivery. Indian J Med Res 2017; 144:181-193. [PMID: 27934796 PMCID: PMC5206868 DOI: 10.4103/0971-5916.195024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Current treatment methods for melanoma have some limitations such as less target-specific action, severe side effects and resistance to drugs. Significant progress has been made in exploring novel drug delivery systems based on suitable biochemical mechanisms using nanoparticles ranging from 10 to 400 nm for drug delivery and imaging, utilizing their enhanced penetration and retention properties. Poly-lactide-co-glycolide (PLGA), a copolymer of poly-lactic acid and poly-glycolic acid, provides an ideally suited performance-based design for better penetration into skin cells, thereby having a greater potential for the treatment of melanoma. Moreover, encapsulation protects the drug from deactivation by biological reactions and interactions with biomolecules, ensuring successful delivery and bioavailability for effective treatment. Controlled and sustained delivery of drugs across the skin barrier that otherwise prohibits entry of larger molecules can be successfully made with adequately stable biocompatible nanocarriers such as PLGA for taking drugs through the small cutaneous pores permitting targeted deposition and prolonged drug action. PLGA is now being extensively used in photodynamic therapy and targeted therapy through modulation of signal proteins and drug-DNA interactions. Recent advances made on these nanomedicines and their advantages in the treatment of skin melanoma are highlighted and discussed in this review.
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Affiliation(s)
- Sreemanti Das
- Department of Zoology, Cytogenetics & Molecular Biology Laboratory, University of Kalyani, Kalyani, India
| | - Anisur Rahman Khuda-Bukhsh
- Department of Zoology, Cytogenetics & Molecular Biology Laboratory, University of Kalyani, Kalyani, India
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Din FU, Kim DW, Choi JY, Thapa RK, Mustapha O, Kim DS, Oh YK, Ku SK, Youn YS, Oh KT, Yong CS, Kim JO, Choi HG. Irinotecan-loaded double-reversible thermogel with improved antitumor efficacy without initial burst effect and toxicity for intramuscular administration. Acta Biomater 2017; 54:239-248. [PMID: 28285074 DOI: 10.1016/j.actbio.2017.03.007] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 03/02/2017] [Accepted: 03/06/2017] [Indexed: 02/07/2023]
Abstract
Intramuscularly administered, anti-tumour drugs induce severe side effects due to their direct contact with body tissues and initial burst effect. In this study, to solve this problem, a novel double-reversible thermogel system (DRTG) for the intramuscular administration of irinotecan was developed. This irinotecan-loaded DRTG was prepared by dispersing the irinotecan-loaded thermoreversible solid lipid nanoparticles (SLNs) in the thermoreversible hydrogel. In DRTG, the former was solid at 25°C but converted to liquid at 36.5°C; in contrast, the latter existed in a liquid form but transformed to gel state in the body. The DRTG was easily administered intramuscularly. Its particle size and drug content were not noticeably changeable, resulting that it was stable at 40°C for at least 6months. Compared to the irinotecan-loaded solution and conventional hydrogel, the DRTG significantly delayed drug release, leading to a reduced burst effect. Moreover, it showed decreased Cmax and maintained the sustained plasma concentrations at a relatively low level for the long period of 60h in rats, resulting in ameliorated side effects of the anti-tumour drug. Furthermore, it gave significantly improved anti-tumour efficacy in tumour-bearing mice compared to the hydrogel but, unlike the conventional hydrogel, induced no body weight loss and local damage to the muscle. Thus, this DRTG with improved antitumor efficacy without initial burst effect and toxicity could provide a potential pharmaceutical system for the intramuscular administration of irinotecan. STATEMENT OF SIGNIFICANCE Intramuscularly administered, anti-tumour drugs induce severe side effects due to their direct contact with body tissues and initial burst effect. To solve this problem, we developed a novel double-reversible thermogel system (DRTG) for the intramuscular administration of irinotecan. Unlike the conventional hydrogel, the DRTG is a dispersion of the irinotecan-loaded thermoreversible solid lipid nanoparticles in the thermoreversible hydrogel. In DRTG, the former was solid at 25°C but converted to liquid at 36.5°C; in contrast, the latter existed in a liquid form but transformed to gel state in the body. This DRTG gave significantly improved anti-tumour efficacy in tumour-bearing mice compared to the hydrogel but, unlike the conventional hydrogel, induced no body weight loss and local damage to the muscle.
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15
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Lewies A, Wentzel JF, Jordaan A, Bezuidenhout C, Du Plessis LH. Interactions of the antimicrobial peptide nisin Z with conventional antibiotics and the use of nanostructured lipid carriers to enhance antimicrobial activity. Int J Pharm 2017; 526:244-253. [PMID: 28461263 DOI: 10.1016/j.ijpharm.2017.04.071] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 04/24/2017] [Accepted: 04/28/2017] [Indexed: 01/08/2023]
Abstract
Antimicrobial resistance is an imminent threat to the effective prevention and treatment of bacterial infections and alternative antimicrobial strategies are desperately needed. Antimicrobial peptides (AMPs) may be promising alternatives to current antibiotics or act as adjuvants to enhance antibiotic potency. Additionally, the use of biodegradable lipid nanoparticles can enhance the antibacterial activity of antibiotics and antimicrobial peptides. In this study, the interaction of the AMPs, nisin Z and melittin, with conventional antibiotics was investigated on Staphylococcus aureus, Staphylococcus epidermidis and Escherichia coli. The effectiveness of nanostructured lipid carriers (NLCs) for the entrapment of nisin Z was also evaluated. Findings revealed that nisin Z exhibited additive interactions with numerous conventional antibiotics. Notable synergism was observed for novobiocin-nisin Z combinations. The addition of the non-antibiotic adjuvant EDTA significantly improved the antimicrobial activity of free nisin Z towards E.coli. NLCs containing nisin Z were effective against Gram-positive species at physiological pH, with an increase in effectiveness in the presence of EDTA. Results indicate that nisin Z may be advantageous as an adjuvant in antimicrobial chemotherapy, while contributing in the battle against antibiotic resistance. NLCs have the potential to enhance the antibacterial activity of nisin Z towards Gram-positive bacterial species associated with skin infections.
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Affiliation(s)
- Angélique Lewies
- Centre of Excellence for Pharmaceutical Sciences (PHARMACEN), North-West University, Potchefstroom, 2520, South Africa
| | - Johannes Frederik Wentzel
- Centre of Excellence for Pharmaceutical Sciences (PHARMACEN), North-West University, Potchefstroom, 2520, South Africa.
| | - Anine Jordaan
- Laboratory for Electron Microscopy, Chemical Resources Beneficiation Group, North-West University, Potchefstroom, 2520, South Africa
| | - Carlos Bezuidenhout
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, 2520, South Africa
| | - Lissinda Hester Du Plessis
- Centre of Excellence for Pharmaceutical Sciences (PHARMACEN), North-West University, Potchefstroom, 2520, South Africa
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16
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Kelidari HR, Saeedi M, Hajheydari Z, Akbari J, Morteza-Semnani K, Akhtari J, Valizadeh H, Asare-Addo K, Nokhodchi A. Spironolactone loaded nanostructured lipid carrier gel for effective treatment of mild and moderate acne vulgaris: A randomized, double-blind, prospective trial. Colloids Surf B Biointerfaces 2016; 146:47-53. [DOI: 10.1016/j.colsurfb.2016.05.042] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/11/2016] [Accepted: 05/16/2016] [Indexed: 12/17/2022]
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17
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Qidwai A, Khan S, Md S, Fazil M, Baboota S, Narang JK, Ali J. Nanostructured lipid carrier in photodynamic therapy for the treatment of basal-cell carcinoma. Drug Deliv 2016; 23:1476-85. [PMID: 26978275 DOI: 10.3109/10717544.2016.1165310] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Accepted: 03/09/2016] [Indexed: 11/13/2022] Open
Abstract
Topical photodynamic therapy (PDT) is a promising alternative for malignant skin diseases such as basal-cell carcinoma (BCC), due to its simplicity, enhanced patient compliance, and localization of the residual photosensitivity to the site of application. However, insufficient photosensitizer penetration into the skin is the major issue of concern with topical PDT. Therefore, the aim of the present study was to enable penetration of photosensitizer to the different strata of the skin using a lipid nanocarrier system. We have attempted to develop a nanostructured lipid carrier (NLC) for the topical delivery of second-generation photosensitizer, 5-amino levulinic acid (5-ALA), whose hydrophilicity and charge characteristic limit its percutaneous absorption. The microemulsion technique was used for preparing 5-ALA-loaded NLC. The mean particle size, polydispersity index, and entrapment efficiency of the optimized NLC of 5-ALA were found to be 185.2 ± 1.20, 0.156 ± 0.02, and 76.8 ± 2.58%, respectively. The results of in vitro release and in vitro skin permeation studies showed controlled drug release and enhanced penetration into the skin, respectively. Confocal laser scanning microscopy and cell line studies respectively demonstrated that encapsulation of 5-ALA in NLC enhanced its ability to reach deeper skin layers and consequently, increased cytotoxicity.
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Affiliation(s)
- Afreen Qidwai
- a Department of Pharmaceutics , Faculty of Pharmacy, Jamia Hamdard , New Delhi , India
| | - Saba Khan
- a Department of Pharmaceutics , Faculty of Pharmacy, Jamia Hamdard , New Delhi , India
| | - Shadab Md
- b Department of Pharmaceutical Technology , School of Pharmacy, International Medical University (IMU) , Kuala Lumpur , Malaysia , and
| | - Mohammad Fazil
- a Department of Pharmaceutics , Faculty of Pharmacy, Jamia Hamdard , New Delhi , India
| | - Sanjula Baboota
- a Department of Pharmaceutics , Faculty of Pharmacy, Jamia Hamdard , New Delhi , India
| | - Jasjeet K Narang
- a Department of Pharmaceutics , Faculty of Pharmacy, Jamia Hamdard , New Delhi , India
- c Department of Pharmaceutics , Khalsa College of Pharmacy , Amritsar , India
| | - Javed Ali
- a Department of Pharmaceutics , Faculty of Pharmacy, Jamia Hamdard , New Delhi , India
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Abstract
Harnessing the impressive therapeutic potential of nitric oxide (NO) remains an ongoing challenge. This paper describes several of the current strategies both with respect to the underlying chemistry and physics and to the applications where they have shown promise. Included in this overview are molecular systems such as NONOates that release NO through chemical reactions and delivery vehicles such as nanoparticles that can generate, store, transport and deliver NO and related bioactive forms of NO such as nitrosothiols. Although there has been much positive movement, it is clear that we are only at the early stages of knowing how to precisely produce, transport and deliver to targeted sites therapeutic levels of NO and related molecules.
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Affiliation(s)
- Hongying Liang
- Department of Physiology & Biophysics, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10461, USA
| | - Parimala Nacharaju
- Department of Physiology & Biophysics, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10461, USA
| | - Adam Friedman
- Department of Dermatology, George Washington School of Medicine & Health Sciences, NW, Washington, DC 20037, USA
| | - Joel M Friedman
- Department of Physiology & Biophysics, Albert Einstein College of Medicine, 1300 Morris Park Ave, Bronx, NY 10461, USA
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Marquele-Oliveira F, Torres EC, Barud HDS, Zoccal KF, Faccioli LH, Hori JI, Berretta AA. Physicochemical characterization by AFM, FT-IR and DSC and biological assays of a promising antileishmania delivery system loaded with a natural Brazilian product. J Pharm Biomed Anal 2016; 123:195-204. [PMID: 26897464 DOI: 10.1016/j.jpba.2016.01.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 01/16/2016] [Accepted: 01/19/2016] [Indexed: 12/31/2022]
Abstract
The control and treatment of Leishmaniasis, a neglected and infectious disease affecting approximately 12 million people worldwide, are challenging. Leishmania parasites multiply intracellularly within macrophages located in deep skin and in visceral tissues, and the currently employed treatments for this disease are subject to significant drawbacks, such as resistance and toxicity. Thus, the search for new Leishmaniasis treatments is compulsory, and Ocotea duckei Vattimo, a plant-derived product from the biodiverse Brazilian flora, may be a promising new treatment for this disease. In this regard, the aim of this work was to develop and characterize a delivery system based on solid lipid nanoparticles (SLN) that contain the liposoluble lignan fraction (LF) of Ocotea duckei Vattimo, which targets the Leishmania phagolysosome of infected macrophages. LF-loaded SLNs were obtained via the hot microemulsion method, and their physical and chemical properties were comprehensively assessed using PCS, AFM, SEM, FT-IR, DSC, HPLC, kinetic drug release studies, and biological assays. The size of the developed delivery system was 218.85±14.2 nm, its zeta potential was -30 mV and its entrapment efficiency (EE%) was high (the EEs% of YAN [yangambin] and EPI-YAN [epi-yangambin] markers were 94.21±0.40% and 94.20±0.00%, respectively). Microscopy, FT-IR and DSC assays confirmed that the delivery system was nanosized and indicated a core-shell encapsulation model, which corroborated the measured kinetics of drug release. The total in vitro release rates of YAN and EPI-YAN in buffer (with sink conditions attained) were 29.6±8.3% and 34.3±8.9%, respectively, via diffusion through the cellulose acetate membrane of the SLN over a period of 4 h. After 24 h, the release rates of both markers reached approximately 45%, suggesting a sustained pattern of release. Mathematical modeling indicated that both markers, YAN and EPI-YAN, followed matrix diffusion-based release kinetics (Higuchi's model) with an estimated diffusion coefficient (D) of 1.3.10(-6) cm(2)/s. The LF-loaded SLNs were non-toxic to murine macrophages (20-80 μg mL(-1) range) and exerted a prominent anti-leishmanial effect (20 μg mL(-1)). These data suggest this new and well-characterized lipid nanoparticle delivery system safely and effectively kills Leishmania and warrants further clinical investigation.
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Affiliation(s)
- Franciane Marquele-Oliveira
- Laboratório de Pesquisa, Desenvolvimento e Inovação, Apis Flora Indl. Coml. Ltda., Ribeirão Preto, SP, Brazil.
| | - Elina Cassia Torres
- Laboratório de Pesquisa, Desenvolvimento e Inovação, Apis Flora Indl. Coml. Ltda., Ribeirão Preto, SP, Brazil
| | - Hernane da Silva Barud
- Instituto de Química, Universidade Estadual Paulista, UNESP, Caixa Postal 355, 14800-900, Araraquara, SP, Brazil; Grupo de Química Medicinal e Medicina Regenerativa (QUIMMERA)-Centro Universitário de Araraquara/UNIARA, Araraquara, SP, Brazil
| | - Karina Furlani Zoccal
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Brazil
| | - Lúcia Helena Faccioli
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas. Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Brazil
| | - Juliana I Hori
- Departamento de Biologia Celular, Molecular e Bioagentes Patogênicos, Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, FMRP/USP, 14049-900, Ribeirão Preto, SP, Brazil
| | - Andresa Aparecida Berretta
- Laboratório de Pesquisa, Desenvolvimento e Inovação, Apis Flora Indl. Coml. Ltda., Ribeirão Preto, SP, Brazil; Departamento de Ciências Farmacêuticas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, FCFRP/USP, 14049-900, Ribeirão Preto, SP, Brazil.
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21
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Investigation of a novel trinuclear μ-oxo ruthenium complex as a potential nitric oxide releaser for biological purposes. Inorganica Chim Acta 2015. [DOI: 10.1016/j.ica.2015.01.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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22
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Skin cancer and new treatment perspectives: A review. Cancer Lett 2015; 357:8-42. [DOI: 10.1016/j.canlet.2014.11.001] [Citation(s) in RCA: 195] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 10/31/2014] [Accepted: 11/04/2014] [Indexed: 12/25/2022]
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Drug delivery nanoparticles in skin cancers. BIOMED RESEARCH INTERNATIONAL 2014; 2014:895986. [PMID: 25101298 PMCID: PMC4102061 DOI: 10.1155/2014/895986] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 04/28/2014] [Indexed: 12/17/2022]
Abstract
Nanotechnology involves the engineering of functional systems at nanoscale, thus being attractive for disciplines ranging from materials science to biomedicine. One of the most active research areas of the nanotechnology is nanomedicine, which applies nanotechnology to highly specific medical interventions for prevention, diagnosis, and treatment of diseases, including cancer disease. Over the past two decades, the rapid developments in nanotechnology have allowed the incorporation of multiple therapeutic, sensing, and targeting agents into nanoparticles, for detection, prevention, and treatment of cancer diseases. Nanoparticles offer many advantages as drug carrier systems since they can improve the solubility of poorly water-soluble drugs, modify pharmacokinetics, increase drug half-life by reducing immunogenicity, improve bioavailability, and diminish drug metabolism. They can also enable a tunable release of therapeutic compounds and the simultaneous delivery of two or more drugs for combination therapy. In this review, we discuss the recent advances in the use of different types of nanoparticles for systemic and topical drug delivery in the treatment of skin cancer. In particular, the progress in the treatment with nanocarriers of basal cell carcinoma, squamous cell carcinoma, and melanoma has been reported.
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Andrade LM, de Fátima Reis C, Maione-Silva L, Anjos JLV, Alonso A, Serpa RC, Marreto RN, Lima EM, Taveira SF. Impact of lipid dynamic behavior on physical stability, in vitro release and skin permeation of genistein-loaded lipid nanoparticles. Eur J Pharm Biopharm 2014; 88:40-7. [PMID: 24816130 DOI: 10.1016/j.ejpb.2014.04.015] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 04/23/2014] [Accepted: 04/28/2014] [Indexed: 10/25/2022]
Abstract
The aim of this study was to develop lipid nanoparticles to deliver genistein (GEN) to deeper skin layers. To do so, the impact of lipid dynamic behavior (nanoparticle flexibility) on stability, release and skin permeation studies was verified. GEN-loaded solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) were obtained and characterization was undertaken. Freshly prepared nanoparticles were produced with similar features (i.e., drug loading). However, a higher level of crystallization in GEN-SLN formulation was observed in differential scanning calorimetry experiments. Electron paramagnetic resonance measurements showed a lower mobility of the spin labels in the SLN, which would indicate that NLC could be more flexible than SLN. Despite the fact that NLC demonstrated more fluidity, GEN was released more slowly from NLC than from SLN. Skin permeation studies demonstrated that lipid nanoparticles increased GEN skin retention. More flexible particles (NLC) also favored drug penetration into deeper skin layers. GEN-NLC would seem to be a promising formulation for GEN topical delivery.
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Affiliation(s)
- Lígia Marquez Andrade
- Pharmaceutical Technology Laboratory, Universidade Federal de Goiás (UFG), Goiânia, Brazil
| | | | - Lorena Maione-Silva
- Pharmaceutical Technology Laboratory, Universidade Federal de Goiás (UFG), Goiânia, Brazil
| | - Jorge Luiz V Anjos
- Physics Department, Universidade Federal de Goiás (UFG), Catalão, Brazil
| | - Antonio Alonso
- Biophysics Laboratory, Universidade Federal de Goiás (UFG), Goiânia, Brazil
| | - Rafael Caixeta Serpa
- Pharmaceutical Technology Laboratory, Universidade Federal de Goiás (UFG), Goiânia, Brazil
| | - Ricardo Neves Marreto
- Pharmaceutical Technology Laboratory, Universidade Federal de Goiás (UFG), Goiânia, Brazil
| | - Eliana Martins Lima
- Pharmaceutical Technology Laboratory, Universidade Federal de Goiás (UFG), Goiânia, Brazil
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Carneiro ZA, da S. Maia PI, Sesti-Costa R, Lopes CD, Pereira TA, Milanezi CM, da Silva MAP, Lopez RFV, Silva JS, Deflon VM. In vitro and in vivo trypanocidal activity of H2bdtc-loaded solid lipid nanoparticles. PLoS Negl Trop Dis 2014; 8:e2847. [PMID: 24810753 PMCID: PMC4014426 DOI: 10.1371/journal.pntd.0002847] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Accepted: 03/25/2014] [Indexed: 01/24/2023] Open
Abstract
The parasite Trypanosoma cruzi causes Chagas disease, which remains a serious public health concern and continues to victimize thousands of people, primarily in the poorest regions of Latin America. In the search for new therapeutic drugs against T. cruzi, here we have evaluated both the in vitro and the in vivo activity of 5-hydroxy-3-methyl-5-phenyl-pyrazoline-1-(S-benzyl dithiocarbazate) (H2bdtc) as a free compound or encapsulated into solid lipid nanoparticles (SLN); we compared the results with those achieved by using the currently employed drug, benznidazole. H2bdtc encapsulated into solid lipid nanoparticles (a) effectively reduced parasitemia in mice at concentrations 100 times lower than that normally employed for benznidazole (clinically applied at a concentration of 400 µmol kg(-1) day(-1)); (b) diminished inflammation and lesions of the liver and heart; and (c) resulted in 100% survival of mice infected with T. cruzi. Therefore, H2bdtc is a potent trypanocidal agent.
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Affiliation(s)
- Zumira A. Carneiro
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Pedro I. da S. Maia
- Instituto de Química de São Carlos, University of São Paulo, São Carlos, São Paulo, Brazil
| | - Renata Sesti-Costa
- Departamento de Bioquímica e Imunologia, School of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Carla D. Lopes
- Departamento de Bioquímica e Imunologia, School of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Tatiana A. Pereira
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Cristiane M. Milanezi
- Departamento de Bioquímica e Imunologia, School of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Marcelo A. Pereira. da Silva
- Instituto de Física de São Carlos, University of São Paulo, São Carlos, São Paulo, Brazil
- Centro Universitário Central Paulista - UNICEP, São Carlos, São Paulo, Brazil
| | - Renata F. V. Lopez
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - João S. Silva
- Departamento de Bioquímica e Imunologia, School of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Victor M. Deflon
- Instituto de Química de São Carlos, University of São Paulo, São Carlos, São Paulo, Brazil
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Pierri AE, Muizzi DA, Ostrowski AD, Ford PC. Photo-Controlled Release of NO and CO with Inorganic and Organometallic Complexes. LUMINESCENT AND PHOTOACTIVE TRANSITION METAL COMPLEXES AS BIOMOLECULAR PROBES AND CELLULAR REAGENTS 2014. [DOI: 10.1007/430_2014_164] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Gomes AJ, Espreafico EM, Tfouni E. trans-[Ru(NO)Cl(cyclam)](PF6)2 and [Ru(NO)(Hedta)] Incorporated in PLGA Nanoparticles for the Delivery of Nitric Oxide to B16–F10 Cells: Cytotoxicity and Phototoxicity. Mol Pharm 2013; 10:3544-54. [DOI: 10.1021/mp3005534] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Anderson J. Gomes
- Faculdade de Ceilândia, Universidade de Brasília, Brasília, DF,
Brazil
| | - Enilza M. Espreafico
- Departamento de
Biologia Celular
e Molecular e Bioagentes Patogênicos, Faculdade de Medicina
de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Elia Tfouni
- Departamento de Química,
Faculdade de Filosofia Ciências e Letras de Ribeirão
Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
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Smith NA, Sadler PJ. Photoactivatable metal complexes: from theory to applications in biotechnology and medicine. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2013; 371:20120519. [PMID: 23776303 PMCID: PMC3685452 DOI: 10.1098/rsta.2012.0519] [Citation(s) in RCA: 128] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
This short review highlights some of the exciting new experimental and theoretical developments in the field of photoactivatable metal complexes and their applications in biotechnology and medicine. The examples chosen are based on some of the presentations at the Royal Society Discussion Meeting in June 2012, many of which are featured in more detail in other articles in this issue. This is a young field. Even the photochemistry of well-known systems such as metal-carbonyl complexes is still being elucidated. Striking are the recent developments in theory and computation (e.g. time-dependent density functional theory) and in ultrafast-pulsed radiation techniques which allow photochemical reactions to be followed and their mechanisms to be revealed on picosecond/nanosecond time scales. Not only do some metal complexes (e.g. those of Ru and Ir) possess favourable emission properties which allow functional imaging of cells and tissues (e.g. DNA interactions), but metal complexes can also provide spatially controlled photorelease of bioactive small molecules (e.g. CO and NO)--a novel strategy for site-directed therapy. This extends to cancer therapy, where metal-based precursors offer the prospect of generating excited-state drugs with new mechanisms of action that complement and augment those of current organic photosensitizers.
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Korde Choudhari S, Chaudhary M, Bagde S, Gadbail AR, Joshi V. Nitric oxide and cancer: a review. World J Surg Oncol 2013; 11:118. [PMID: 23718886 PMCID: PMC3669621 DOI: 10.1186/1477-7819-11-118] [Citation(s) in RCA: 371] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 05/12/2013] [Indexed: 01/08/2023] Open
Abstract
Nitric oxide (NO), is a ubiquitous, water soluble, free radical gas, which plays key role in various physiological as well as pathological processes. Over past decades, NO has emerged as a molecule of interest in carcinogenesis and tumor growth progression. However, there is considerable controversy and confusion in understanding its role in cancer biology. It is said to have both tumoricidal as well as tumor promoting effects which depend on its timing, location, and concentration. NO has been suggested to modulate different cancer-related events including angiogenesis, apoptosis, cell cycle, invasion, and metastasis. On the other hand, it is also emerging as a potential anti-oncogenic agent. Strategies for manipulating in vivo production and exogenous delivery of this molecule for therapeutic gain are being investigated. However, further validation and experimental/clinical trials are required for development of novel strategies based on NO for cancer treatment and prevention. This review discusses the range of actions of NO in cancer by performing an online MEDLINE search using relevant search terms and a review of the literature. Various mechanisms by which NO acts in different cancers such as breast, cervical, gastric,colorectal, and head and neck cancers are addressed. It also offers an insight into the dichotomous nature of NO and discusses its novel therapeutic applications for cancer prevention and treatment.
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Affiliation(s)
- Sheetal Korde Choudhari
- Department of Oral Pathology & Microbiology, Yerala Dental College and Hospital, Institutional Area, Sector 4, Kharghar, Navi Mumbai, Maharashtra, 410 210, India
| | - Minal Chaudhary
- Department of Oral Pathology & Microbiology, Sharad Pawar Dental College, DMIMS, Sawangi(M), Wardha, Maharashatra, 442 004, India
| | - Sachin Bagde
- Department of Oral Surgery, Yerala Dental College and Hospital, Institutional Area, Sector 4, Kharghar, Mumbai, Maharashtra, 410 210, India
| | - Amol R Gadbail
- Department of Oral Pathology & Microbiology, Sharad Pawar Dental College, DMIMS, Sawangi(M), Wardha, Maharashatra, 442 004, India
| | - Vaishali Joshi
- Department of Oral Pathology & Microbiology, Yerala Dental College and Hospital, Institutional Area, Sector 4, Kharghar, Navi Mumbai, Maharashtra, 410 210, India
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In vivo detection of lipid-based nano- and microparticles in the outermost human stratum corneum by EDX analysis. Int J Pharm 2013; 447:204-12. [DOI: 10.1016/j.ijpharm.2013.03.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 02/28/2013] [Accepted: 03/01/2013] [Indexed: 11/21/2022]
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31
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Filevich O, Etchenique R. RuBiGABA-2: a hydrophilic caged GABA with long wavelength sensitivity. Photochem Photobiol Sci 2013; 12:1565-70. [DOI: 10.1039/c3pp25248e] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Barry NPE, Sadler PJ. Exploration of the medical periodic table: towards new targets. Chem Commun (Camb) 2013; 49:5106-31. [DOI: 10.1039/c3cc41143e] [Citation(s) in RCA: 570] [Impact Index Per Article: 51.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Silva LAD, Taveira SF, Lima EM, Marreto RN. In vitro skin penetration of clobetasol from lipid nanoparticles: drug extraction and quantitation in different skin layers. BRAZ J PHARM SCI 2012. [DOI: 10.1590/s1984-82502012000400025] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Clobetasol propionate (CP) is a potent topical corticosteroid that causes several cutaneous and systemic side effects. In the present work, CP was encapsulated in nanostructured lipid carriers (NLCs) to increase drug retention in the outer skin layers and improve the safety of topical therapy. NLCs were prepared using a microemulsion technique with a mixture of lecithin, taurodeoxycholate, stearic acid, and oleic acid. In vitro penetration studies were performed in a modified Franz-type diffusion cell, and porcine ears were used as a model of human skin. A simple and sensitive liquid chromatographic method was developed and validated for clobetasol determination in different skin layers. NLCs presented uniform size distribution, high zeta potentialand entrapment efficiency values (> 98%). The analytical procedure was validated according to FDA guidelines. Clobetasol recoveries from skin samples were higher than 85%, with no interference of skin components and NLC ingredients. In experiments, after 6 h, a higher drug accumulation in the stratum corneum arising from NLCs compared to aqueous CP solution was observed. Thus, the NLCs demonstrated high potential for targeting CP to the skin and ensuring drug accumulation in the stratum corneum.
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Maione-Silva L, Rocha KAD, de Oliveira LC, Taveira SF, Lima EM. Development and validation of a simple and rapid liquid chromatography method for the determination of genistein in skin permeation studies. Biol Pharm Bull 2012; 35:1986-90. [PMID: 22971565 DOI: 10.1248/bpb.b12-00442] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Genistein (GEN) has potential advantages for topical skin delivery, but no literature data are available for its quantitation in different skin layers, such as the stratum corneum (SC). Therefore, a simple, rapid, selective and sensitive bioanalytical method was developed and validated for GEN quantitation in porcine skin samples following in vitro permeation studies. GEN was assayed by HPLC with UV-Vis detection (270 nm) using 0.5% acetic acid in water-n-propanol-acetonitrile (50 : 2 : 48, v/v/v) as mobile phase (flow-rate of 1.0 mL/min). Specificity was demonstrated since endogenous skin components did not interfere with GEN peak. Standard analytical curve was linear over the concentration range (0.1-60 µg/mL) and the lower limit of quantitation was determined for different skin layers (100 ng/mL). GEN recovery from skin layers ranged from 95.57 to 97.57%. Permeation studies were carried out using an automated vertical diffusion cell apparatus. No fluctuation on the amount of GEN retained in the SC was observed over time, but increasing amounts of the drug were found in deeper layers of the skin. The method was reliable and reproducible for the quantitation GEN in skin samples enabling the determination of the cutaneous penetration profile of this drug in permeation experiments.
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Affiliation(s)
- Lorena Maione-Silva
- Lab. Tecnologia Farmacêutica e Sistemas de Liberação de Fármacos, FarmaTec, Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, GO 74605–220, Brasil
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Iqbal MA, Md S, Sahni JK, Baboota S, Dang S, Ali J. Nanostructured lipid carriers system: recent advances in drug delivery. J Drug Target 2012; 20:813-30. [PMID: 22931500 DOI: 10.3109/1061186x.2012.716845] [Citation(s) in RCA: 223] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Nanostructured lipid carrier (NLC) is second generation smarter drug carrier system having solid matrix at room temperature. This carrier system is made up of physiological, biodegradable and biocompatible lipid materials and surfactants and is accepted by regulatory authorities for application in different drug delivery systems. The availability of many products in the market in short span of time reveals the success story of this delivery system. Since the introduction of the first product, around 30 NLC preparations are commercially available. NLC exhibit superior advantages over other colloidal carriers viz., nanoemulsions, polymeric nanoparticles, liposomes, SLN etc. and thus, have been explored to more extent in pharmaceutical technology. The whole set of unique advantages such as enhanced drug loading capacity, prevention of drug expulsion, leads to more flexibility for modulation of drug release and makes NLC versatile delivery system for various routes of administration. The present review gives insights on the definitions and characterization of NLC as colloidal carriers including the production techniques and suitable formulations. This review paper also highlights the importance of NLC in pharmaceutical applications for the various routes of drug delivery viz., topical, oral, pulmonary, ocular and parenteral administration and its future perspective as a pharmaceutical carrier.
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Affiliation(s)
- Md Asif Iqbal
- Department of Pharmaceutics, Faculty of Pharmacy, Jamia Hamdard, Hamdard Nagar, New Delhi, India
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Chen Y, Yuan L, Zhou L, Zhang ZH, Cao W, Wu Q. Effect of cell-penetrating peptide-coated nanostructured lipid carriers on the oral absorption of tripterine. Int J Nanomedicine 2012; 7:4581-91. [PMID: 22942642 PMCID: PMC3428248 DOI: 10.2147/ijn.s34991] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
PURPOSE To develop nanostructured-lipid carriers (NLCs) coated with cell-penetrating peptides (CPP) for improving the oral bioavailability of tripterine. METHODS We prepared CPP-coated tripterine-loaded NLCs (CT-NLCs) by using a solvent evaporation method, and determined their physical properties. In vitro drug release was determined by using a dialysis bag diffusion technique, and intestinal toxicity was evaluated by performing MTT assay using Caco-2 cells. In vivo absorption was studied in an in situ rat intestinal perfusion model, and oral bioavailability was examined in beagles. RESULTS The average particle size, zeta potential, and encapsulation efficiency of the optimized CT-NLCs were 126.7 ± 9.2 nm, 28.7 ± 3.4 mV, and 72.64% ± 1.37%, respectively. The CT-NLCs showed a controlled release profile in vitro and had significantly lower intestinal cytotoxicity than the tripterine solution (P < 0.05). The absorption levels of tripterine from the CT-NLCs in the rat duodenum and jejunum were markedly higher than with tripterine-loaded NLCs without the CPP coating (T-NLCs), and with tripterine solution. Pharmacokinetic study showed that the maximum concentration of the CT-NLCs was greater than that of the T-NLCs and tripterine suspension, and that the time to maximum concentration of the CT-NLCs as well as the T-NLCs, was longer than that of the tripterine suspension. The relative oral bioavailability of the CT-NLCs compared to that of tripterine suspension and T-NLCs were 484.75% and 149.91% respectively. CONCLUSION The oral bioavailability of tripterine is dramatically increased by CT-NLCs. Therefore, CT-NLCs seem to be a promising carrier for oral delivery of tripterine.
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Affiliation(s)
- Yan Chen
- Key Laboratory of New Drug Delivery System of Chinese Materia Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, People's Republic of China.
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Sun W, Zhang N, Li X. Release mechanism studies on TFu nanoparticles-in-microparticles system. Colloids Surf B Biointerfaces 2012; 95:115-20. [DOI: 10.1016/j.colsurfb.2012.02.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Revised: 02/15/2012] [Accepted: 02/17/2012] [Indexed: 10/28/2022]
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Jen MC, Serrano MC, van Lith R, Ameer GA. Polymer-Based Nitric Oxide Therapies: Recent Insights for Biomedical Applications. ADVANCED FUNCTIONAL MATERIALS 2012; 22:239-260. [PMID: 25067935 PMCID: PMC4111277 DOI: 10.1002/adfm.201101707] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Since the discovery of nitric oxide (NO) in the 1980s, this cellular messenger has been shown to participate in diverse biological processes such as cardiovascular homeostasis, immune response, wound healing, bone metabolism, and neurotransmission. Its beneficial effects have prompted increased research in the past two decades, with a focus on the development of materials that can locally release NO. However, significant limitations arise when applying these materials to biomedical applications. This Feature Article focuses on the development of NO-releasing and NO-generating polymeric materials (2006-2011) with emphasis on recent in vivo applications. Results are compared and discussed in terms of NO dose, release kinetics, and biological effects, in order to provide a foundation to design and evaluate new NO therapies.
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Affiliation(s)
- Michele C Jen
- Biomedical Engineering Department, Northwestern University, Evanston IL, 60208, USA
| | - María C Serrano
- Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas Cantoblanco, Madrid 28049, Spain
| | - Robert van Lith
- Biomedical Engineering Department, Northwestern University, Evanston IL, 60208, USA
| | - Guillermo A Ameer
- Biomedical Engineering Department, Northwestern University, Evanston IL, 60208, USA
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Tfouni E, Truzzi DR, Tavares A, Gomes AJ, Figueiredo LE, Franco DW. Biological activity of ruthenium nitrosyl complexes. Nitric Oxide 2012; 26:38-53. [DOI: 10.1016/j.niox.2011.11.005] [Citation(s) in RCA: 133] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 11/29/2011] [Accepted: 11/30/2011] [Indexed: 12/20/2022]
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40
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Souza L, Silva E, Martins A, Mota M, Braga R, Lima E, Valadares M, Taveira S, Marreto R. Development of topotecan loaded lipid nanoparticles for chemical stabilization and prolonged release. Eur J Pharm Biopharm 2011; 79:189-96. [DOI: 10.1016/j.ejpb.2011.02.012] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2010] [Revised: 02/09/2011] [Accepted: 02/15/2011] [Indexed: 10/18/2022]
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Saraiva J, Marotta-Oliveira SS, Cicillini SA, Eloy JDO, Marchetti JM. Nanocarriers for nitric oxide delivery. JOURNAL OF DRUG DELIVERY 2011; 2011:936438. [PMID: 21869934 PMCID: PMC3159988 DOI: 10.1155/2011/936438] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Accepted: 05/13/2011] [Indexed: 12/16/2022]
Abstract
Nitric oxide (NO) is a promising pharmaceutical agent that has vasodilative, antibacterial, and tumoricidal effects. To study the complex and wide-ranging roles of NO and to facilitate its therapeutic use, a great number of synthetic compounds (e.g., nitrosothiols, nitrosohydroxyamines, N-diazeniumdiolates, and nitrosyl metal complexes) have been developed to chemically stabilize and release NO in a controlled manner. Although NO is currently being exploited in many biomedical applications, its use is limited by several factors, including a short half-life, instability during storage, and potential toxicity. Additionally, efficient methods of both localized and systemic in vivo delivery and dose control are needed. One strategy for addressing these limitations and thus increasing the utility of NO donors is based on nanotechnology.
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Affiliation(s)
- Juliana Saraiva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14010-903 Ribeirão Preto, SP, Brazil
| | - Samantha S. Marotta-Oliveira
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14010-903 Ribeirão Preto, SP, Brazil
| | - Simone Aparecida Cicillini
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14010-903 Ribeirão Preto, SP, Brazil
| | - Josimar de Oliveira Eloy
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14010-903 Ribeirão Preto, SP, Brazil
| | - Juliana Maldonado Marchetti
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14010-903 Ribeirão Preto, SP, Brazil
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