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Bhat M, Pukale S, Singh S, Mittal A, Chitkara D. Nano-enabled topical delivery of anti-psoriatic small molecules. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102328] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Charles C, Cohen-Erez I, Kazaoka B, Melnikov O, Stein DE, Sensenig R, Rapaport H, Orynbayeva Z. Mitochondrial responses to organelle-specific drug delivering nanoparticles composed of polypeptide and peptide complexes. Nanomedicine (Lond) 2020; 15:2917-2932. [PMID: 33241963 DOI: 10.2217/nnm-2020-0266] [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: 11/21/2022] Open
Abstract
Aims: The mechanistic study of the drug carrier-target interactions of mitochondria-unique nanoparticles composed of polypeptide-peptide complexes (mPoP-NPs). Materials & methods: The isolated organelles were employed to address the direct effects of mPoP-NPs on dynamic structure and functional wellbeing of mitochondria. Mitochondria morphology, respiration, membrane potential, reactive oxygen species generation, were examined by confocal microscopy, flow cytometry and oxygraphy. Lonidamine-encapsulated formulation was assessed to evaluate the drug delivery capacity of the naive nanoparticles. Results: The mPoP-NPs do not alter mitochondria structure and performance upon docking to organelles, while successfully delivering drug that causes organelle dysfunction. Conclusion: The study gives insight into interactions of mPoP-NPs with mitochondria and provides substantial support for consideration of designed nanoparticles as biocompatible and efficient mitochondria-targeted platforms.
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Affiliation(s)
- Carleigh Charles
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
| | - Ifat Cohen-Erez
- Avram & Stella Goldstein-Goren Department of Biotechnology Engineering & Ilse Katz Institute for Nanoscience & technology, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Blake Kazaoka
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
| | - Olga Melnikov
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
| | - David E Stein
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
| | - Richard Sensenig
- Department of Surgery, Cooper University Hospital, Camden, NJ 08103, USA
| | - Hanna Rapaport
- Avram & Stella Goldstein-Goren Department of Biotechnology Engineering & Ilse Katz Institute for Nanoscience & technology, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Zulfiya Orynbayeva
- Department of Surgery, Drexel University College of Medicine, Philadelphia, PA 19102, USA
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Lunardi CN, Gomes AJ, Palepu S, Galwaduge PT, Hillman EM. PLGA nano/microparticles loaded with cresyl violet as a tracer for drug delivery: Characterization and in-situ hyperspectral fluorescence and 2-photon localization. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:505-511. [DOI: 10.1016/j.msec.2016.09.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 08/24/2016] [Accepted: 09/06/2016] [Indexed: 01/14/2023]
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Novel therapeutic intervention for osteoporosis prepared with strontium hydroxyapatite and zoledronic acid: In vitro and pharmacodynamic evaluation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 71:698-708. [PMID: 27987763 DOI: 10.1016/j.msec.2016.10.066] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Revised: 10/19/2016] [Accepted: 10/24/2016] [Indexed: 11/23/2022]
Abstract
Osteoporosis therapeutics has been monopolized mainly by bisphosphonates, which are potent anti-osteoporotic drugs, while they do not promote bone formation or replenish the already resorbed bone. Although strontium substituted hydroxyapatite (SrHA) has been proclaimed to improve bone properties in an osteoporotic animal model, there is no published data on direct delivery of SrHA nanoparticles by bisphosphonate-like zoledronic acid (ZOL) to the bone. Therefore, this study was designed to investigate the potential of using SrHA/ZOL nanoparticle-based drug formulation in an ovariectomized rat model of postmenopausal osteoporosis. SrHA and SrHA/ZOL nanoparticles were prepared and characterized by field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). Twelve weeks after ovariectomy, rats were treated with either single intravenous dose of SrHA/ZOL (100, 50 or 25μg/kg); ZOL (100μg/kg); or SrHA (100μg/kg). Saline-treated OVX and SHAM-OVX groups served as controls. The energy-dispersive X-ray (EDX) microanalysis of bone specimen obtained from SrHA/ZOL groups yielded range between 64.3±6.7 to 66.9±6.8 of calcium weight (wt) % and 1.64±0.6 to 1.74±0.8 of calcium/phosphorus (Ca/P) ratio which was significantly higher when compared with 39.7±9.3 calcium and 1.30±0.2 Ca/P ratio for OVX group. Moreover, the strontium wt% in SrHA/ZOL group (between 3.1±0.5 and 6.8±0.4) was significantly higher than SrHA group (1.8±0.9). These results confirmed targeted delivery of SrHA nanoparticles by ZOL to the bone. Therapy with SrHA/ZOL showed significant improvements in trabecular bone microarchitecture and mechanical strength as compared to ZOL or SrHA (p<0.05). Moreover, treatment with SrHA/ZOL significantly precluded an increase in serum bone-specific alkaline phosphatase and tartrate-resistant acid phosphatase than either ZOL or SrHA (p<0.05). These results strongly implicate that SrHA/ZOL nanoparticle-based drug formulation showed better efficacy at a much lower dose of ZOL. SrHA/ZOL drug formulation has a therapeutic advantage over ZOL or SrHA monotherapy for experimental osteoporosis.
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Khajuria DK, Razdan R, Mahapatra DR. Development, in vitro and in vivo characterization of zoledronic acid functionalized hydroxyapatite nanoparticle based formulation for treatment of osteoporosis in animal model. Eur J Pharm Sci 2015; 66:173-83. [DOI: 10.1016/j.ejps.2014.10.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 09/29/2014] [Accepted: 10/20/2014] [Indexed: 10/24/2022]
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Dias DJS, Joanitti GA, Azevedo RB, Silva LP, Lunardi CN, Gomes AJ. Chlorambucil Encapsulation into PLGA Nanoparticles and Cytotoxic Effects in Breast Cancer Cell. ACTA ACUST UNITED AC 2015. [DOI: 10.4236/jbpc.2015.61001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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da Hora Machado AE, Ferreira de Paula L, de Oliveira-Campos AMF, de Jesus Gomes A, de Paula R, Barbosa Neto NM. Spectroscopic properties and singlet oxygen production by the compound ethyl 3,12-dioxopyran[3,2-a]xanthone-2-carboxylate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 115:610-616. [PMID: 23872020 DOI: 10.1016/j.saa.2013.06.087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Revised: 06/18/2013] [Accepted: 06/24/2013] [Indexed: 06/02/2023]
Abstract
The steady state and time resolved experiments together with absorption and emission spectroscopies and quantum chemical calculations have been employed to investigate spectroscopic properties of a xanthone-type compound (ethyl 3,12-dioxopyran[3,2-a]xanthone-2-carboxylate). The spectroscopic data show good agreement with results obtained from quantum chemical calculations. Additionally, this compound shows expressive quantum efficiency for triplet population and a quantum efficiency of singlet oxygen generation very close to unity. Correlations between the nature of singlet and triplet excited states and spectroscopic properties were performed in order to understand the high quantum efficiency of singlet oxygen generation by this compound.
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Affiliation(s)
- Antonio Eduardo da Hora Machado
- Universidade Federal de Uberlândia, Instituto de Química, Laboratório de Fotoquímica e Ciência de Materiais, P.O. Box 593, CEP 38400-902, Uberlândia, Minas Gerais, Brazil.
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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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Kojima R, Kasuya MCZ, Ishihara K, Hatanaka K. Physicochemical delivery of amphiphilic copolymers to specific organelles. Polym J 2011. [DOI: 10.1038/pj.2011.49] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Gomes AJ, Lunardi LO, Caetano FH, Machado AEH, Oliveira-Campos AMF, Bendhack LM, Lunardi CN. Biodegradable nanoparticles containing benzopsoralens: An attractive strategy for modifying vascular function in pathological skin disorders. J Appl Polym Sci 2011. [DOI: 10.1002/app.33427] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Romani AP, da Hora Machado AE, Hioka N, Severino D, Baptista MS, Codognoto L, Rodrigues MR, de Oliveira HPM. Spectrofluorimetric Determination of Second Critical Micellar Concentration of SDS and SDS/Brij 30 Systems. J Fluoresc 2008; 19:327-32. [DOI: 10.1007/s10895-008-0420-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2008] [Accepted: 09/12/2008] [Indexed: 10/21/2022]
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Gomes AJ, Barbougli PA, Espreafico EM, Tfouni E. trans-[Ru(NO)(NH3)4(py)](BF4)3·H2O encapsulated in PLGA microparticles for delivery of nitric oxide to B16-F10 cells: Cytotoxicity and phototoxicity. J Inorg Biochem 2008; 102:757-66. [DOI: 10.1016/j.jinorgbio.2007.11.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2007] [Revised: 11/25/2007] [Accepted: 11/27/2007] [Indexed: 10/22/2022]
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Gomes AJ, Lunardi CN, Lunardi LO, Pitol DL, Machado AEH. Identification of psoralen loaded PLGA microspheres in rat skin by light microscopy. Micron 2008; 39:40-4. [PMID: 17689966 DOI: 10.1016/j.micron.2007.06.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2007] [Revised: 06/22/2007] [Accepted: 06/25/2007] [Indexed: 11/19/2022]
Abstract
Drug delivery systems involving the use of polymers are widely studied and discovery of biocompatible polymers has become the focus of research in this area. Psoralen loaded poly(DL-lactide-co-glycolide) (PLGA) microspheres to be used in PUVA therapy (psoralen and UVA irradiation (ultraviolet A, 320-400 nm) of psoriasis were identified in paraffin sections by histological analysis. The psoralen loaded PLGA microspheres were prepared using the solvent evaporation technique. They were spherical and possessed an external smooth surface as observed by scanning electron microscopy (SEM) analysis. This study describes a modification in the routine preparation of microsphere samples for examination by light microscopy. The changes involved fixative agents and/or stains allowing the identification of microspheres containing a non-fluorescent material. The preservation and identification of microspheres in tissues for histological processing in paraffin was greatly improved by these modifications as proven by our results.
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Affiliation(s)
- Anderson J Gomes
- Laboratório de Fotoquímica, Instituto de Química, Universidade Federal de Uberlândia, PO Box 593, CEP 38400-089 Uberlândia, MG, Brazil.
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Funtionalization of Pharmaceutical Nanocarriers for Mitochondria-Targeted Drug and DNA Delivery. ACTA ACUST UNITED AC 2008. [DOI: 10.1007/978-0-387-76554-9_12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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Gomes AJ, Lunardi CN, Tedesco AC. Characterization of Biodegradable Poly(D,L-Lactide-co-Glycolide) Nanoparticles Loaded with Bacteriochlorophyll-a for Photodynamic Therapy. Photomed Laser Surg 2007; 25:428-35. [DOI: 10.1089/pho.2007.2089] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Anderson J. Gomes
- Faculdade de Filosofia Ciências e Letras de Ribeirão Preto (FFCLRP-USP), Ribeirão Preto, SP, Brazil
| | - Claure N. Lunardi
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP-USP), Ribeirão Preto, SP, Brazil
| | - Antonio C. Tedesco
- Faculdade de Filosofia Ciências e Letras de Ribeirão Preto (FFCLRP-USP), Ribeirão Preto, SP, Brazil
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Abstract
Mitochondrial research has made an enormous leap since mitochondrial DNA mutations were identified as a primary cause for human diseases in 1988 and the organelle’s crucial role in apoptosis was identified during the 1990s. Considerable progress has been made in identifying the molecular components of the mitochondrial machinery responsible for life and cell death; however, effective therapies for diseases caused by mitochondrial dysfunction remain elusive. An impediment to manipulating, probing and assessing the functional components of mammalian mitochondria within living cells is their limited accessibility to direct physical, biochemical and pharmacological manipulation. Recent advances in nanotechnology hold the promise of helping to overcome these obstacles. New tools will undoubtedly emerge, creating new avenues for the diagnosis and therapy of mitochondrial disorders. This review briefly discusses current efforts to merge nanobiotechnology with mitochondrial medicine.
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Affiliation(s)
- Volkmar Weissig
- Northeastern University, Bouve College of Health Sciences, School of Pharmacy, Department of Pharmaceutical Sciences, Boston, MA, USA.
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Stevanović M, Savić J, Jordović B, Uskoković D. Fabrication, in vitro degradation and the release behaviours of poly(DL-lactide-co-glycolide) nanospheres containing ascorbic acid. Colloids Surf B Biointerfaces 2007; 59:215-23. [PMID: 17596919 DOI: 10.1016/j.colsurfb.2007.05.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2007] [Revised: 05/09/2007] [Accepted: 05/16/2007] [Indexed: 11/18/2022]
Abstract
Ascorbic acid (vitamin C) is essential for preserving optimal health and is used by the body for many purposes. The problem is that ascorbic acid easily decomposes into biologically inactive compounds making its use very limited in the field of pharmaceuticals, dermatological and cosmetics. By encapsulating the ascorbic acid into a polymer matrix it is assumed that its chemical instability can be overcome as well as higher, more efficient and equally distributed concentration throughout extended period of time can be achieved. This paper is describing the process of obtaining poly(dl-lactide-co-glycolide) (DLPLG) nanospheres (110-170 nm) using chemical method with solvent/non-solvent systems where obtained solutions have been centrifuged. The encapsulation of the ascorbic acid in the polymer matrix is performed by homogenisation of water and organic phases. Nanoparticles of the copolymer DLPLG with the different contents of the ascorbic acid have different morphological characteristics, i.e. variable degree of uniformity, agglomeration, sizes and spherical shaping. The degradation of the nanospheres of DLPLG, DLPLG/ascorbic acid nanoparticles and release rate of the ascorbic acid were studied for 8 weeks in a physiological solution (0.9% sodium chloride in water). The samples have been characterised by infrared spectroscopy (IR), scanning electron microscopy (SEM), stereological analysis and ultraviolet (UV) spectroscopy.
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Affiliation(s)
- Magdalena Stevanović
- Institute of Technical Sciences of the Serbian Academy of Sciences and Arts, Belgrade 11000, Serbia
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Gomes AJ, Assunção RMN, Filho GR, Espreafico EM, Machado AEDH. Preparation and characterization of poly(D,L-lactic-co-glycolic acid) nanoparticles containing 3-(benzoxazol-2-yl)-7-(N,N-diethyl amino)chromen-2-one. J Appl Polym Sci 2007. [DOI: 10.1002/app.26204] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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