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Liu H, Guo S, Wei S, Liu J, Tian B. Pharmacokinetics and pharmacodynamics of cyclodextrin-based oral drug delivery formulations for disease therapy. Carbohydr Polym 2024; 329:121763. [PMID: 38286540 DOI: 10.1016/j.carbpol.2023.121763] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/07/2023] [Accepted: 12/28/2023] [Indexed: 01/31/2024]
Abstract
Oral drug administration has become the most common and preferred mode of disease treatment due to its good medication adherence and convenience. For orally administered drugs, the safety, efficacy, and targeting ability requirements have grown as disease treatment research advances. It is difficult to obtain prominent efficacy of traditional drugs simply via oral administration. Numerous studies have demonstrated that cyclodextrins (CDs) can improve the clinical applications of certain orally administered drugs by enhancing their water solubility and masking undesirable odors. Additionally, deeper studies have discovered that CDs can influence disease treatment by altering the drug pharmacokinetics (PK) or pharmacodynamics (PD). This review highlights recent research progress on the PK and PD effects of CD-based oral drug delivery in disease therapy. Firstly, the review describes the characteristics of current drug delivery modes in oral administration. Besides, we minutely summarized the different CD-containing drugs, focusing on the impact of CD-based alterations in PK or PD of orally administered drugs in treating diseases. Finally, we deeply discussed current challenges and future opportunities with regard to PK and PD of CD-based oral drug delivery formulations.
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Affiliation(s)
- Hui Liu
- Pharmacy Department, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Songlin Guo
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia, China
| | - Shijie Wei
- Pharmacy Department, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia, China.
| | - Jiayue Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau SAR, China.
| | - Bingren Tian
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan 750004, Ningxia, China.
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2
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Tong F, Zhou Y, Xu Y, Chen Y, Yudintceva N, Shevtsov M, Gao H. Supramolecular nanomedicines based on host-guest interactions of cyclodextrins. EXPLORATION (BEIJING, CHINA) 2023; 3:20210111. [PMID: 37933241 PMCID: PMC10624390 DOI: 10.1002/exp.20210111] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 02/09/2023] [Indexed: 11/08/2023]
Abstract
In the biomedical and pharmaceutical fields, cyclodextrin (CD) is undoubtedly one of the most frequently used macrocyclic compounds as the host molecule because it has good biocompatibility and can increase the solubility, bioavailability, and stability of hydrophobic drug guests. In this review, we generalized the unique properties of CDs, CD-related supramolecular nanocarriers, supramolecular controlled release systems, and targeting systems based on CDs, and introduced the paradigms of these nanomedicines. In addition, we also discussed the prospects and challenges of CD-based supramolecular nanomedicines to facilitate the development and clinical translation of these nanomedicines.
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Affiliation(s)
- Fan Tong
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Yang Zhou
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Yanyan Xu
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Yuxiu Chen
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
| | - Natalia Yudintceva
- Institute of Cytology of the Russian Academy of Sciences (RAS)St. PetersburgRussia
| | - Maxim Shevtsov
- Institute of Cytology of the Russian Academy of Sciences (RAS)St. PetersburgRussia
| | - Huile Gao
- Key Laboratory of Drug Targeting and Drug Delivery SystemsWest China School of PharmacySichuan UniversityChengduChina
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Saxena T, Sie C, Lin K, Ye D, Saatchi K, Häfeli UO. Potential of Nuclear Imaging Techniques to Study the Oral Delivery of Peptides. Pharmaceutics 2022; 14:2809. [PMID: 36559303 PMCID: PMC9780892 DOI: 10.3390/pharmaceutics14122809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Peptides are small biomolecules known to stimulate or inhibit important functions in the human body. The clinical use of peptides by oral delivery, however, is very limited due to their sensitive structure and physiological barriers present in the gastrointestinal tract. These barriers can be overcome with chemical and mechanical approaches protease inhibitors, permeation enhancers, and polymeric encapsulation. Studying the success of these approaches pre-clinically with imaging techniques such as fluorescence imaging (IVIS) and optical microscopy is difficult due to the lack of in-depth penetration. In comparison, nuclear imaging provides a better platform to observe the gastrointestinal transit and quantitative distribution of radiolabeled peptides. This review provides a brief background on the oral delivery of peptides and states examples from the literature on how nuclear imaging can help to observe and analyze the gastrointestinal transit of oral peptides. The review connects the fields of peptide delivery and nuclear medicine in an interdisciplinary way to potentially overcome the challenges faced during the study of oral peptide formulations.
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Affiliation(s)
- Tanya Saxena
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T1Z3, Canada
| | - Claire Sie
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T1Z3, Canada
| | - Kristine Lin
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T1Z3, Canada
| | - Daisy Ye
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T1Z3, Canada
| | - Katayoun Saatchi
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T1Z3, Canada
| | - Urs O. Häfeli
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T1Z3, Canada
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
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Yan R, Guo Y, Wang X, Liang G, Yang A, Li J. Near-Infrared Light-Controlled and Real-Time Detection of Osteogenic Differentiation in Mesenchymal Stem Cells by Upconversion Nanoparticles for Osteoporosis Therapy. ACS NANO 2022; 16:8399-8418. [PMID: 35574921 DOI: 10.1021/acsnano.2c02900] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Osteoporosis (OP) is one of the most common diseases in the elderly, and it is not effectively solved by current treatments. Mesenchymal stem cells (MSCs) have multiple differentiation potentials, which can induce osteogenic differentiation to treat OP; however, it is important to understand how to remotely control and detect osteogenic differentiation in vivo in real time. Here, we developed an upconversion nanoparticle (UCNP)-based photoresponsive nanoplatform for near-infrared (NIR) light-mediated control of intracellular icariin (ICA) release to regulate the osteogenic differentiation of MSCs for OP therapy. We simultaneously detected osteogenic differentiation in vivo in real time to evaluate the treatment effects. The Tm/Er-doped UCNPs were synthesized and coated with mesoporous silica (UCNP@mSiO2) first. Then, the photocaged linker 4-(hydroxymethyl)-3-nitrobenzoic acid (ONA) and the PEG linker (OH-PEG4-MAL) were linked to the surface of UCNP@mSiO2 to conjugate to the cap β-cyclodextrin (β-CD) and the Arg-Gly-Asp (RGD)-targeted peptide/matrix metalloproteinase 13 (MMP13)-sensitive peptide-BHQ (CGPLGVRGK-BHQ3) to form the UCNP nanoplatform (UCNP@mSiO2-peptide-BHQ-ONA-CD) for drug loading. Under 980 nm NIR light, the upconverted UV from the UCNPs triggered the cleavage of cap β-CD and the intracellular release of ICA to induce the osteogenic differentiation of MSCs for OP therapy. Meanwhile, MMP13, which was produced by osteogenic differentiation of MSCs, cleaved the MMP13-sensitive peptide to remove BHQ and recover the fluorescence of UCNPs, allowing real-time detection of osteogenic differentiation and the evaluation of the OP treatment effect. This photoresponsive UCNP nanoplatform has the potential to be used for the remote control and real-time detection of osteogenic differentiation of MSCs for OP therapy by NIR.
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Affiliation(s)
- Rui Yan
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Yujiao Guo
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Xichao Wang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Guohai Liang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Anli Yang
- Department of Breast Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Jinming Li
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
- Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
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Esposito CL, Ac AG, Laszlo E, Duy SV, Michaud C, Sauvé S, Ong H, Marleau S, Banquy X, Brambilla D. A quantitative UHPLC-MS/MS method for the growth hormone-releasing peptide-6 determination in complex biological matrices and transdermal formulations. Talanta 2021; 233:122555. [PMID: 34215058 DOI: 10.1016/j.talanta.2021.122555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/18/2021] [Accepted: 05/22/2021] [Indexed: 10/21/2022]
Abstract
Growth hormone-releasing peptide-6 (GHRP-6) is part of a group of small synthetic peptides with potent GH-releasing activity that have gained attention in the last two decades by virtue of their cyto- and cardioprotective effects. Despite numerous preclinical studies highlighting the potential cardiovascular benefits of GHRP-6, confirmation of clinical efficacy is still awaited. Recent advances in transdermal drug delivery systems have been made to address challenges related to the poor skin permeation rate of peptides by using pain-free microneedle (MN) devices. Accordingly, highly sensitive and validated analytical methods are required for the potential clinical translation of MN-based peptides. The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs. UHPLC/MS-MS method detection limits of 0.1, 1.1, 0.9 and 1.5 ng/mL were achieved in neat solution, plasma, MN polymer solution, and skin matrices, respectively. Method validation also involved assessment of precision, accuracy, limits of quantification, linearity of matched calibration curves (R2 > 0.990), extraction recovery, matrix effect, stability studies, selectivity, and carry-over effect. Additionally, quality control samples were analyzed at three concentration levels to determine recovery (85-109%) and accuracy/bias (3.2-14.7%). Intra- and inter-day precision were within the range of acceptance (RSDs of 3.0-13.9% and 0.4-14.5%, respectively). The validity and applicability of such methods were successfully demonstrated for transdermal GHRP-6 delivery using GHRP-6-loaded MN patches applied to pig skin.
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Affiliation(s)
- Cloé L Esposito
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Araceli Garcia Ac
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Elise Laszlo
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Sung Vo Duy
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Catherine Michaud
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Sébastien Sauvé
- Department of Chemistry, Université de Montréal, Montréal, Québec, Canada
| | - Huy Ong
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Sylvie Marleau
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Xavier Banquy
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada
| | - Davide Brambilla
- Faculty of Pharmacy, Université de Montréal, Montréal, Québec, Canada.
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Thomsen H, Agnes M, Uwangue O, Persson L, Mattsson M, Graf FE, Kasimati EM, Yannakopoulou K, Ericson MB, Farewell A. Increased antibiotic efficacy and noninvasive monitoring of Staphylococcus epidermidis biofilms using per-cysteamine-substituted γ-cyclodextrin - A delivery effect validated by fluorescence microscopy. Int J Pharm 2020; 587:119646. [PMID: 32679261 DOI: 10.1016/j.ijpharm.2020.119646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/09/2020] [Accepted: 07/09/2020] [Indexed: 12/17/2022]
Abstract
Limited and poor delivery of antibiotics is cited as one reason for the difficulty in treating antibiotic-resistant biofilms associated with chronic infections. We investigate the effectiveness of a positively charged, single isomer cyclodextrin derivative, octakis[6-(2-aminoethylthio)-6-deoxy]-γ-CD (γCys) to improve the delivery of antibiotics to biofilms. Using multiphoton laser scanning microscopy complemented with super-resolution fluorescence microscopy, we showed that γCys tagged with fluorescein (FITC) is uniformly distributed throughout live S. epidermidis biofilm cultures in vitro and results suggest it is localized extracellularly in the biofilm matrix. NMR spectroscopic data in aqueous solution confirm that γCys forms inclusion complexes with both the antibiotics oxacillin and rifampicin. Efficacy of γCys/antibiotic (oxacillin and rifampicin) was measured in the biofilms. While treatment with γCys/oxacillin had little improvement over oxacillin alone, γCys/rifampicin reduced the biofilm viability to background levels demonstrating a remarkable improvement over rifampicin alone. The strong synergistic effect for γCys/rifampicin is at this stage not clearly understood, but plausible explanations are related to increased solubility of rifampicin upon complexation and/or synergistic interference with components of the biofilm. The results demonstrate that designed cyclodextrin nanocarriers, like γCys, efficiently deliver suitable antibiotics to biofilms and that fluorescence microscopy offers a novel approach for mechanistic investigations.
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Affiliation(s)
- Hanna Thomsen
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden; CARe, Centre for Antibiotic Resistance Research, University of Gothenburg, Sweden
| | - Marco Agnes
- Institute of Nanoscience & Nanotechnology, National Center for Scientific Research " Demokritos", Aghia Paraskevi Attikis 15341, Greece
| | - Owens Uwangue
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Linnéa Persson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Matilda Mattsson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Fabrice E Graf
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden; CARe, Centre for Antibiotic Resistance Research, University of Gothenburg, Sweden
| | - Eleni-Marina Kasimati
- Institute of Nanoscience & Nanotechnology, National Center for Scientific Research " Demokritos", Aghia Paraskevi Attikis 15341, Greece
| | - Konstantina Yannakopoulou
- Institute of Nanoscience & Nanotechnology, National Center for Scientific Research " Demokritos", Aghia Paraskevi Attikis 15341, Greece
| | - Marica B Ericson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Anne Farewell
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden; CARe, Centre for Antibiotic Resistance Research, University of Gothenburg, Sweden.
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8
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Geraldes DC, Beraldo-de-Araújo VL, Pardo BOP, Pessoa Junior A, Stephano MA, de Oliveira-Nascimento L. Protein drug delivery: current dosage form profile and formulation strategies. J Drug Target 2019; 28:339-355. [DOI: 10.1080/1061186x.2019.1669043] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Danilo Costa Geraldes
- Faculty of Pharmaceutical Sciences, State University of Campinas, Campinas, SP, Brazil
- Biochemistry and Tissue Biology Department, Biology Institute, State University of Campinas, Campinas, SP, Brazil
| | - Viviane Lucia Beraldo-de-Araújo
- Faculty of Pharmaceutical Sciences, State University of Campinas, Campinas, SP, Brazil
- Biochemistry and Tissue Biology Department, Biology Institute, State University of Campinas, Campinas, SP, Brazil
| | | | | | | | - Laura de Oliveira-Nascimento
- Faculty of Pharmaceutical Sciences, State University of Campinas, Campinas, SP, Brazil
- Biochemistry and Tissue Biology Department, Biology Institute, State University of Campinas, Campinas, SP, Brazil
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Banks WA, Engelke K, Hansen KM, Bullock KM, Calias P. Modest Blood-Brain Barrier Permeability of the Cyclodextrin Kleptose: Modification by Efflux and Luminal Surface Binding. J Pharmacol Exp Ther 2019; 371:121-129. [PMID: 31320494 DOI: 10.1124/jpet.119.260497] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 07/16/2019] [Indexed: 03/08/2025] Open
Abstract
Cyclodextrins (CDs) have a variety of uses from acting as excipients to aiding the ability of lipid soluble drugs to cross the blood-brain barrier (BBB). They are being investigated as an active pharmaceutical ingredient, most recently for the treatment of Niemann-Pick disease, a lysosomal storage disease. Cyclodextrins are helpful in animal models and human subjects/patients afflicted with Neimann-Pick disease, including improving the neurologic component of the disease. The improvement in brain disease by intravenous administration implies that CDs can cross the BBB; however, there are only a few studies that have directly addressed this. In the current studies, multiple-time regression analysis indicated that 2-hydroxypropyl-β-cyclodextrin [Kleptose (Klep)] radioactively labeled with 14C (C-Klep) crossed the BBB at a slow rate by a nonsaturable mechanism consistent with transcellular diffusion. However, the rate of transport varied greatly by the brain region with no detectable uptake by the spinal cord; additionally, many regions rapidly reached equilibrium between the brain and blood. The presence of a brain-to-blood efflux system was also detected and much of the C-Klep did not completely cross the BBB, but loosely adhered to the luminal surface of brain endothelial cells. Peripheral tissues also took up C-Klep, with the kidney taking up the most, which is consistent with renal clearance. In conclusion, we demonstrated minimal uptake of the β-cyclodextrin Kleptose by the brain with accumulation being affected by efflux and reversible luminal binding. SIGNIFICANCE STATEMENT: This cyclodextrin, which produces therapeutic effects on the central nervous system after peripheral administration, penetrates the BBB poorly. Uptake by the brain to a therapeutic level will likely be difficult to achieve without giving high peripheral doses, bypassing the BBB, or otherwise altering penetration into the brain.
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Affiliation(s)
- W A Banks
- Geriatric Research and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, Washington (W.A.B., K.M.H., K.M.B.); Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (W.A.B.); The Engelke Group, Keymar, Maryland (K.E.); and Educational Trainers and Consultants, Melrose, Massachusetts (P.C.)
| | - Kory Engelke
- Geriatric Research and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, Washington (W.A.B., K.M.H., K.M.B.); Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (W.A.B.); The Engelke Group, Keymar, Maryland (K.E.); and Educational Trainers and Consultants, Melrose, Massachusetts (P.C.)
| | - Kim M Hansen
- Geriatric Research and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, Washington (W.A.B., K.M.H., K.M.B.); Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (W.A.B.); The Engelke Group, Keymar, Maryland (K.E.); and Educational Trainers and Consultants, Melrose, Massachusetts (P.C.)
| | - Kristin M Bullock
- Geriatric Research and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, Washington (W.A.B., K.M.H., K.M.B.); Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (W.A.B.); The Engelke Group, Keymar, Maryland (K.E.); and Educational Trainers and Consultants, Melrose, Massachusetts (P.C.)
| | - Pericles Calias
- Geriatric Research and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, Washington (W.A.B., K.M.H., K.M.B.); Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington (W.A.B.); The Engelke Group, Keymar, Maryland (K.E.); and Educational Trainers and Consultants, Melrose, Massachusetts (P.C.)
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10
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Adeoye O, Cabral-Marques H. Cyclodextrin nanosystems in oral drug delivery: A mini review. Int J Pharm 2017; 531:521-531. [DOI: 10.1016/j.ijpharm.2017.04.050] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 02/05/2023]
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Varan G, Varan C, Erdoğar N, Hıncal AA, Bilensoy E. Amphiphilic cyclodextrin nanoparticles. Int J Pharm 2017; 531:457-469. [PMID: 28596142 DOI: 10.1016/j.ijpharm.2017.06.010] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 05/29/2017] [Accepted: 06/03/2017] [Indexed: 10/19/2022]
Abstract
Cyclodextrins are cyclic oligosaccharides obtained by enzymatic digestion of starch. The α-, β- and γ- cyclodextrins contain respectively 6, 7 and 8 glucopyranose units, with primary and secondary hydroxyl groups located on the narrow and wider rims of a truncated cone shape structure. Such structure is that of a hydrophobic inner cavity with a hydrophilic outer surface allowing to interact with a wide range of molecules like ions, protein and oligonucleotides to form inclusion complexes. Many cyclodextrin applications in the pharmaceutical area have been widely described in the literature due to their low toxicity and low immunogenicity. The most important is to increase the solubility of hydrophobic drugs in water. Chemically modified cyclodextrin derivatives have been synthesized to enhance their properties and more specifically their pharmacological activity. Among these, amphiphilic derivatives were designed to build organized molecular structures, through selfassembling systems or by incorporation in lipid membranes, expected to improve the vectorization in the organism of the drug-containing cyclodextrin cavities. These derivatives can form a variety of supramolecular structures such as micelles, vesicles and nanoparticles. The purpose of this review is to summarize applications of amphiphilic cyclodextrins in different areas of drug delivery, particularly in protein and peptide drug delivery and gene delivery. The article highlights important amphiphilic cyclodextrin applications in the design of novel delivery systems like nanoparticles.
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Affiliation(s)
- Gamze Varan
- Department of Nanotechnology and Nanomedicine, Instıtute of Graduate Studies in Science, Hacettepe University, 06800 Beytepe-Ankara, Turkey
| | - Cem Varan
- Department of Nanotechnology and Nanomedicine, Instıtute of Graduate Studies in Science, Hacettepe University, 06800 Beytepe-Ankara, Turkey
| | - Nazlı Erdoğar
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, 06100 Sıhhiye-Ankara, Turkey
| | - A Atilla Hıncal
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, 06100 Sıhhiye-Ankara, Turkey
| | - Erem Bilensoy
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, 06100 Sıhhiye-Ankara, Turkey.
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Kanwar JR, Kamalapuram SK, Krishnakumar S, Kanwar RK. Multimodal iron oxide (Fe3O4)-saturated lactoferrin nanocapsules as nanotheranostics for real-time imaging and breast cancer therapy of claudin-low, triple-negative (ER-/PR-/HER2-). Nanomedicine (Lond) 2016; 11:249-68. [DOI: 10.2217/nnm.15.199] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Aim: To unravel the multimodal nanotheranostic ability of Fe3O4-saturated bovine lactoferrin nanocapsules (FebLf NCs) in claudin-low, triple-negative breast cancer model. Materials & methods: Xenograft study was performed to examine biocompatibility, antitumor efficacy and multimodal nanotheranostic action in combination with near-infrared live mice imaging. Results: FebLf NCs exhibited a size range of 80 nm ± 5 nm with observed superparamagnetism. FebLf NCs successfully internalized into breast cancer cells through receptor-mediated endocytosis and induced apoptosis through the downregulation of inhibitor of apoptosis survivin and livin proteins. Investigations revealed a remarkable biocompatibility, anticancer efficacy of the FebLf NCs. Near-infrared imaging observations confirmed selective localization of multimodal FebLf NCs at the tumor site and lead to time-dependent reduction of tumor growth. Conclusion: FebLf NCs can be safe, biocompatible nanotheranostic approach for real-time imaging and monitoring the effect of drugs in real time and have potentials in future clinical trials.
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Affiliation(s)
- Jagat R Kanwar
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research (LIMBR), Centre Molecular & Medical Research (C-MMR), School of Medicine (SoM), Faculty of Health, Deakin University, Waurn Ponds, Victoria 3217, Australia
| | - Sishir K Kamalapuram
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research (LIMBR), Centre Molecular & Medical Research (C-MMR), School of Medicine (SoM), Faculty of Health, Deakin University, Waurn Ponds, Victoria 3217, Australia
| | - Subramanian Krishnakumar
- L&T Ophthalmic Pathology Department, In charge Stem Cell Laboratory & Nano-biotechnology Laboratory Vision Research Foundation, Chennai, Tamil Nadu, India
| | - Rupinder K Kanwar
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research (LIMBR), Centre Molecular & Medical Research (C-MMR), School of Medicine (SoM), Faculty of Health, Deakin University, Waurn Ponds, Victoria 3217, Australia
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Rigon RB, Oyafuso MH, Fujimura AT, Gonçalez ML, do Prado AH, Gremião MPD, Chorilli M. Nanotechnology-Based Drug Delivery Systems for Melanoma Antitumoral Therapy: A Review. BIOMED RESEARCH INTERNATIONAL 2015; 2015:841817. [PMID: 26078967 PMCID: PMC4442269 DOI: 10.1155/2015/841817] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 04/06/2015] [Accepted: 04/07/2015] [Indexed: 12/11/2022]
Abstract
Melanoma (MEL) is a less common type of skin cancer, but it is more aggressive with a high mortality rate. The World Cancer Research Fund International (GLOBOCAN 2012) estimates that there were 230,000 new cases of MEL in the world in 2012. Conventional MEL treatment includes surgery and chemotherapy, but many of the chemotherapeutic agents used present undesirable properties. Drug delivery systems are an alternative strategy by which to carry antineoplastic agents. Encapsulated drugs are advantageous due to such properties as high stability, better bioavailability, controlled drug release, a long blood circulation time, selective organ or tissue distribution, a lower total required dose, and minimal toxic side effects. This review of scientific research supports applying a nanotechnology-based drug delivery system for MEL therapy.
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Affiliation(s)
- Roberta Balansin Rigon
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
| | - Márcia Helena Oyafuso
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
| | - Andressa Terumi Fujimura
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
| | - Maíra Lima Gonçalez
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
| | - Alice Haddad do Prado
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
| | - Maria Palmira Daflon Gremião
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, Department of Drug and Medicines, São Paulo State University, 14801-902 Araraquara, SP, Brazil
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Gupta S, Pfeil J, Kumar S, Poulsen C, Lauer U, Hamann A, Hoffmann U, Haag R. Tolerogenic modulation of the immune response by oligoglycerol- and polyglycerol-peptide conjugates. Bioconjug Chem 2015; 26:669-79. [PMID: 25757018 DOI: 10.1021/bc500608f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Peptide-based therapy is a promising strategy for antigen-specific immunosuppression to treat or even heal autoimmune diseases with significantly reduced adverse effects compared to conventional therapies. However, there has been no major success due to the drawbacks of native peptides, i.e., limited bioavailability. Considering the importance and limitations of peptide-based therapies for treatment of autoimmune diseases, we designed and constructed oligoglycerol (OG)- and polyglycerol (PG)-based peptide conjugates. They were evaluated for their biological activity (in vitro and in vivo), bioavailability, and tolerogenic potential. Among the OG- and PG-peptide constructs, PG-peptide constructs exhibited an extended bioavailability compared to OG-peptide constructs and unconjugated peptide. Interestingly, size, structure, and linker chemistry played a critical role for the tolerogenic capacity of the constructs. The PG-peptide construct bound via an ester linkage was the most tolerogenic conjugate, while the PG-peptide construct bound via an amide induced stronger proliferation, but also higher TNF production and lower frequencies of Foxp3(+) regulatory T-cells. Therefore, we conclude that PG-peptide conjugates bound via an ester linkage are not only promising candidates for tolerogenic vaccination, but also open a new avenue toward the application of peptides for the treatment of autoimmune diseases.
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Affiliation(s)
- Shilpi Gupta
- †Organic and Macromolecular Chemistry, Department of Chemistry and Biochemistry, Free University Berlin, Takustrasse 3, 14195 Berlin, Germany.,‡Department of Chemistry, Hindu College, Sonepat-131001, Haryana, India
| | - Jennifer Pfeil
- §Deutsches Rheuma-Forschungszentrum and Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Sumit Kumar
- †Organic and Macromolecular Chemistry, Department of Chemistry and Biochemistry, Free University Berlin, Takustrasse 3, 14195 Berlin, Germany.,∥Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Sonepat-131039, Haryana, India
| | - Christina Poulsen
- §Deutsches Rheuma-Forschungszentrum and Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Uta Lauer
- §Deutsches Rheuma-Forschungszentrum and Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Alf Hamann
- §Deutsches Rheuma-Forschungszentrum and Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Ute Hoffmann
- §Deutsches Rheuma-Forschungszentrum and Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Rainer Haag
- †Organic and Macromolecular Chemistry, Department of Chemistry and Biochemistry, Free University Berlin, Takustrasse 3, 14195 Berlin, Germany
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Kordopati GG, Tselios TV, Kellici T, Merzel F, Mavromoustakos T, Grdadolnik SG, Tsivgoulis GM. A novel synthetic luteinizing hormone-releasing hormone (LHRH) analogue coupled with modified β-cyclodextrin: insight into its intramolecular interactions. Biochim Biophys Acta Gen Subj 2014; 1850:159-68. [PMID: 25450179 DOI: 10.1016/j.bbagen.2014.10.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 10/16/2014] [Accepted: 10/18/2014] [Indexed: 11/24/2022]
Abstract
BACKGROUND Cyclodextrins (CDs) in combination with therapeutic proteins and other bioactive compounds have been proposed as candidates that show enhanced chemical and enzymatic stability, better absorption, slower plasma clearance and improved dose-response curves or immunogenicity. As a result, an important number of therapeutic complexes between cyclodextrins and bioactive compounds capable to control several diseases have been developed. RESULTS In this article, the synthesis and the structural study of a conjugate between a luteinizing hormone-releasing hormone (LHRH) analogue, related to the treatment of hormone dependent cancer and fertility, and modified β-cyclodextrin residue are presented. The results show that both the phenyl group of tyrosine (Tyr) as well as the indole group of tryptophan (Trp) can be encapsulated inside the cyclodextrin cavity. Solution NMR experiments provide evidence that these interactions take place intramolecularly and not intermolecularly. CONCLUSIONS The study of a LHRH analogue conjugated with modified β-cyclodextrin via high field NMR and MD experiments revealed the existence of intramolecular interactions that could lead to an improved drug delivery. GENERAL SIGNIFICANCE NMR in combination with MD simulation is of great value for a successful rational design of peptide-cyclodextrin conjugates showing stability against enzymatic proteolysis and a better pharmacological profile.
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Affiliation(s)
| | | | - Tahsin Kellici
- National and Kapodistrian University of Athens, Department of Chemistry, Athens 15771, Greece
| | - Franci Merzel
- National Institute of Chemistry, Laboratory of Biomolecular Structure, Ljubljana 1001, Slovenia
| | - Thomas Mavromoustakos
- National and Kapodistrian University of Athens, Department of Chemistry, Athens 15771, Greece
| | - Simona Golic Grdadolnik
- National Institute of Chemistry, Laboratory of Biomolecular Structure, Ljubljana 1001, Slovenia; EN-FIST Centre of Excellence, Dunajska 156, Ljubljana 1000, Slovenia.
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Sosnik A. Alginate Particles as Platform for Drug Delivery by the Oral Route: State-of-the-Art. ISRN PHARMACEUTICS 2014; 2014:926157. [PMID: 25101184 PMCID: PMC4004034 DOI: 10.1155/2014/926157] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Accepted: 02/25/2014] [Indexed: 11/17/2022]
Abstract
Pharmaceutical research and development aims to design products with ensured safety, quality, and efficacy to treat disease. To make the process more rational, coherent, efficient, and cost-effective, the field of Pharmaceutical Materials Science has emerged as the systematic study of the physicochemical properties and behavior of materials of pharmaceutical interest in relation to product performance. The oral route is the most patient preferred for drug administration. The presence of a mucus layer that covers the entire gastrointestinal tract has been exploited to expand the use of the oral route by developing a mucoadhesive drug delivery system that showed a prolonged residence time. Alginic acid and sodium and potassium alginates have emerged as one of the most extensively explored mucoadhesive biomaterials owing to very good cytocompatibility and biocompatibility, biodegradation, sol-gel transition properties, and chemical versatility that make possible further modifications to tailor their properties. The present review overviews the most relevant applications of alginate microparticles and nanoparticles for drug administration by the oral route and discusses the perspectives of this biomaterial in the future.
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Affiliation(s)
- Alejandro Sosnik
- Group of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion-Israel Institute of Technology De-Jur Building, Office 607, Technion City, 32000 Haifa, Israel
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Martínez Á, Ortiz Mellet C, García Fernández JM. Cyclodextrin-based multivalent glycodisplays: covalent and supramolecular conjugates to assess carbohydrate-protein interactions. Chem Soc Rev 2013; 42:4746-73. [PMID: 23340678 DOI: 10.1039/c2cs35424a] [Citation(s) in RCA: 188] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Covalent attachment of biorecognizable sugar ligands in several copies at precise positions of cyclomaltooligosaccharide (cyclodextrin, CD) macrocycles has proven to be an extremely flexible strategy to build multivalent conjugates. The commercial availability of the native CDs in three different sizes, their axial symmetry and the possibility of position- and face-selective functionalization allow a strict control of the valency and spatial orientation of the recognition motifs (glycotopes) in low, medium, high and hyperbranched glycoclusters, including glycodendrimer-CD hybrids. "Click-type" ligation chemistries, including copper(i)-catalyzed azide-alkyne cycloaddition (CuAAC), thiol-ene coupling or thiourea-forming reactions, have been implemented to warrant full homogeneity of the adducts. The incorporation of different glycotopes to investigate multivalent interactions in heterogeneous environments has also been accomplished. Not surprisingly, multivalent CD conjugates have been, and continue to be, major actors in studies directed at deciphering the structural features ruling carbohydrate recognition events. Nanometric glycoassemblies endowed with the capability of adapting the inter-saccharide distances and orientations in the presence of a receptor partner or capable of mimicking the fluidity of biological membranes have been conceived by multitopic inclusion complex formation, rotaxanation or self-assembling. Applications in the fields of sensors, site-specific drug and gene delivery or protein stabilization attest for the maturity of the field.
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Affiliation(s)
- Álvaro Martínez
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, c/ Profesor García González 1, E-41012 Sevilla, Spain
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Sharma S, Hinds LA. Formulation and delivery of vaccines: Ongoing challenges for animal management. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2012; 4:258-66. [PMID: 23248557 PMCID: PMC3523519 DOI: 10.4103/0975-7406.103231] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2011] [Revised: 12/30/2011] [Accepted: 03/24/2012] [Indexed: 11/09/2022] Open
Abstract
Development of a commercially successful animal vaccine is not only influenced by various immunological factors, such as type of antigen but also by formulation and delivery aspects. The latter includes the need for a vector or specific delivery system, the choice of route of administration and the nature of the target animal population and their habitat. This review describes the formulation and delivery aspects of various types of antigens such as killed microorganisms, proteins and nucleic acids for the development of efficacious and safe animal vaccines. It also focuses on the challenges associated with the different approaches that might be required for formulating and delivering species specific vaccines, particularly if their intended use is for improved animal management with respect to disease and/or reproductive control.
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Affiliation(s)
- Sameer Sharma
- Commonwealth Scientific and Industrial Research Organisation, Division of Ecosystem Sciences, GPO Box 1700, Canberra, ACT 2601, Australia
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20
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Uskoković V, Lee K, Lee PP, Fischer KE, Desai TA. Shape effect in the design of nanowire-coated microparticles as transepithelial drug delivery devices. ACS NANO 2012; 6:7832-41. [PMID: 22900471 PMCID: PMC3461957 DOI: 10.1021/nn3019865] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
While the oral drug delivery route has traditionally been the most popular among patients, it is estimated that 90% of therapeutic compounds possess oral bioavailability limitations. Thus, the development of novel drug carriers for more effective oral delivery of therapeutics is an important goal. Composite particles made by growing nanoscopic silicon wires from the surface of narrowly dispersed, microsized silica beads were previously shown to be able to (a) adhere well onto the epithelium by interdigitating their nanowires with the apical microvilli and (b) increase the permeability of Caco-2 cell monolayers with respect to small organic molecules in direct proportion to their concentration. A comparison between the effects of spherical and planar particle morphologies on the permeability of the epithelial cell layer in vitro and in vivo presented the subject of this study. Owing to their larger surface area, the planar particles exhibited a higher drug-loading efficiency than their spherical counterparts, while simultaneously increasing the transepithelial permeation of a moderately sized model drug, insulin. The insulin elution profile for planar nanowire-coated particles displayed a continual increase in the cumulative amount of the released drug, approaching a constant release rate for a 1-4 h period of the elution time. An immunohistochemical study confirmed the ability of planar silica particles coated with nanowires to loosen the tight junction of the epithelial cells to a greater extent than the spherical particles did, thus, enabling a more facile transport of the drug across the epithelium. Transepithelial permeability tests conducted for model drugs ranging in size from 0.4 to 150 kDa yielded three categories of molecules depending on their permeation propensities. Insulin belonged to the category of molecules deliverable across the epithelium only with the assistance of nanowire-coated particles. Other groups of drugs, smaller and bigger, respectively, either did not need the carrier to permeate the epithelium or were not able to cross it even with the support from the nanowire-coated particles. Bioavailability of insulin orally administered to rabbits was also found to be increased when delivered in conjunction with the nanowire-coated planar particles.
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Affiliation(s)
- Vuk Uskoković
- Therapeutic Micro and Nanotechnology Laboratory, Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California 94143, United States.
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Ribeiro C, Neto AP, das Neves J, Bahia MF, Sarmento B. Preparation of polyelectrolyte nanocomplexes containing recombinant human hepatocyte growth factor as potential oral carriers for liver regeneration. Methods Mol Biol 2012; 811:113-25. [PMID: 22042676 DOI: 10.1007/978-1-61779-388-2_8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
The large number of cytokines and growth factors implicated in the regulation of liver regeneration has led to the possibility of using these molecules in therapy, namely, in the case of recombinant human hepatocyte growth factor (rhHGF). The importance and potential clinical usefulness of rhHGF has been extensively studied and documented, with results suggesting that this molecule could be a powerful tool toward increased success in hepatic regenerative therapy. However, the peptidic nature of this drug presents several challenges toward its effective administration and targeting. The possibility of encapsulating rhHGF in dextran sulfate/chitosan nanoparticles to allow its oral administration and direct liver-targeting is discussed in this manuscript. Details of a rapid and simple method for the preparation of such rhHGF-loaded nanocomplexes are presented. Beyond the practical aspects of the method, characterization techniques and main experimental features of obtained nanocarriers are also briefly analyzed and discussed.
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Affiliation(s)
- Catarina Ribeiro
- Faculty of Pharmacy, Department of Pharmaceutical Technology, University of Porto, Porto, Portugal
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22
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Kanwar JR, Kanwar RK, Mahidhara G, Cheung CHA. Cancer Targeted Nanoparticles Specifically Induce Apoptosis in Cancer Cells and Spare Normal Cells. Aust J Chem 2012. [DOI: 10.1071/ch11372] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Curing cancer is the greatest challenge for modern medicine and finding ways to minimize the adverse effects caused by chemotherapeutic agents is of importance in improving patient’s physical conditions. Traditionally, chemotherapy can induce various adverse effects, and these effects are mostly caused by the non-target specific properties of the chemotherapeutic compounds. Recently, the use of nanoparticles has been found to be capable of minimizing these drug-induced adverse effects in animals and in patients during cancer treatment. The use of nanoparticles allows various chemotherapeutic drugs to be targeted to cancer cells with lower dosages. In addition to this, the use of nanoparticles also allows various drugs to be administered to the subjects by an oral route. Here, locked nucleic acid (LNA)-modified epithelial cell adhesion molecules (EpCAM), aptamers (RNA nucleotide), and nucleolin (DNA nucleotide) aptamers have been developed and conjugated on anti-cancer drug-loaded nanocarriers for specific delivery to cancer cells and spare normal cells. Significant amounts of the drug loaded nanocarriers (92 ± 6 %) were found to distribute to the cancer cells at the tumour site and more interestingly, normal cells were unaffected in vitro and in vivo. In this review, the benefits of using nanoparticle-coated drugs in various cancer treatments are discussed. Various nanoparticles that have been tried in improving the target specificity and potency of chemotherapeutic compounds are also described.
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Ultrashort peptide bioconjugates are exclusively antifungal agents and synergize with cyclodextrin and amphotericin B. Antimicrob Agents Chemother 2011; 56:1-9. [PMID: 22006001 DOI: 10.1128/aac.00468-11] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Many natural broad-spectrum cationic antimicrobial peptides (AMPs) possess a general mode of action that is dependent on lipophilicity and charge. Modulating the lipophilicity of AMPs by the addition of a fatty acid has been an effective strategy to increase the lytic activity and can further broaden the spectrum of AMPs. However, lipophilic modifications that narrow the spectrum of activity and exclusively direct peptides to fungi are less common. Here, we show that short peptide sequences can be targeted to fungi with structured lipophilic biomolecules, such as vitamin E and cholesterol. The conjugates were active against Aspergillus fumigatus, Cryptococcus neoformans, and Candida albicans but not against bacteria and were observed to cause membrane perturbation by transmission electron microscopy and in membrane permeability studies. However, for C. albicans, selected compounds were effective without the perturbation of the cell membrane, and synergism was seen with a vitamin E conjugate and amphotericin B. Moreover, in combination with β-cyclodextrin, antibacterial activity emerged in selected compounds. Biocompatibility for selected active compounds was tested in vitro and in vivo using toxicity assays on erythrocytes, macrophages, and mice. In vitro cytotoxicity experiments led to selective toxicity ratios (50% lethal concentration/MIC) of up to 64 for highly active antifungal compounds, and no in vivo murine toxicity was seen. Taken together, these results highlight the importance of the conjugated lipophilic structure and suggest that the modulation of other biologically relevant peptides with hydrophobic moieties, such as cholesterol and vitamin E, generate compounds with unique bioactivity.
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24
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Weng CJ, Huang KY, Jhuo YS, Chen YL, Feng CF, Cho-Ming C, Yeh JM. Electroactive PI sphere generated by electrospraying. POLYM INT 2011. [DOI: 10.1002/pi.3170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Malavolta L, Cabral FR. Peptides: important tools for the treatment of central nervous system disorders. Neuropeptides 2011; 45:309-16. [PMID: 21477861 DOI: 10.1016/j.npep.2011.03.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Revised: 02/11/2011] [Accepted: 03/14/2011] [Indexed: 01/08/2023]
Abstract
This review shows some classical applications of peptides and suggests there is great promise for the treatment of various central nervous system diseases. Actually, peptides are considered the new generation of biologically active tools because they are key regulators in cellular and intercellular physiological responses, which possess enormous potential for the treatment of various diseases. In spite of their clinical potential, native peptides have seen limited use due to their poor bioavailability and low stability in physiological conditions. Moreover, most peptide or protein pharmaceuticals currently in use are delivered by invasive routes such as via subcutaneous injection. Considerable efforts have been made to design new drugs based on peptides and recent developments in technology and science have provided the means and opportunity to produce a stable as well as controlled-release form of peptide and protein drugs to combat poorly controlled diseases and to increase patients' quality of life. A major challenge in this regard, however, is the delivery of peptides over the blood-brain barrier. This review gives an overview of some strategies used to improve both bioavailability and uptake of peptide drugs for delivery into the brain. Indeed, recent findings suggest that the use of peptides by conjugation to a polymer such as nanoparticles can offer tremendous hope in the treatment of brain disorders. The polymer conjugation improves pharmacokinetics by increasing the molecular mass of proteins and peptides and shielding them from proteolytic enzymes. These new strategies will create new opportunities for the future development of neurotherapeutic drugs. In the present review we have focused our attention on the peptide controlled delivery, summarizing literature reports on the use of peptides and nanotechnology for the treatment and diagnosis of brain disorders.
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Affiliation(s)
- Luciana Malavolta
- Brain Institute-Instituto Israelita de Ensino e Pesquisa Albert Einstein, Morumbi-São Paulo, SP, Brazil.
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26
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Li Z, Zhang L, Sun W, Ding Q, Hou Y, Xu Y. Archaeosomes with encapsulated antigens for oral vaccine delivery. Vaccine 2011; 29:5260-6. [DOI: 10.1016/j.vaccine.2011.05.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2009] [Revised: 03/19/2011] [Accepted: 05/09/2011] [Indexed: 10/18/2022]
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Cho HJ, Balakrishnan P, Chung SJ, Shim CK, Kim DD. Evaluation of protein stability and in vitro permeation of lyophilized polysaccharides-based microparticles for intranasal protein delivery. Int J Pharm 2011; 416:77-84. [PMID: 21703339 DOI: 10.1016/j.ijpharm.2011.06.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Revised: 05/24/2011] [Accepted: 06/06/2011] [Indexed: 12/31/2022]
Abstract
Biocompatible microparticles prepared by lyophilization were developed for intranasal protein delivery. To test for the feasibility of this formulation, stability of the incorporated protein and enhancement of in vitro permeation across the nasal epithelium were evaluated. Lyophilization was processed with hydroxypropylmethylcellulose (HPMC) or water soluble chitosan (WCS) as biocompatible polymers, hydroxypropyl-β-cyclodextrin (HP-β-CD) and d-alpha-tocopheryl poly(ethylene glycol 1000) succinate (TPGS 1000) as permeation enhancers, sugars as cryoprotectants and lysozyme as the model protein. As a result, microparticles ranging from 6 to 12μm were developed where the maintenance of the protein conformation was verified by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), circular dichroism and fluorescence intensity detection. Moreover, in vitro bioassay showed that the lysozyme activity was preserved during the preparation process while exhibiting less cytotoxicity in primary human nasal epithelial (HNE) cells. Results of the in vitro release study revealed slower release rate in these microparticles compared to that of the lysozyme itself. On the other hand, the in vitro permeation study exhibited a 9-fold increase in absorption of lysozyme when prepared in lyophilized microparticles with HPMC, HP-β-CD and TPGS 1000 (F4-2). These microparticles could serve as efficient intranasal delivery systems for therapeutic proteins.
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28
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Llabot JM, Salman H, Millotti G, Bernkop-Schnürch A, Allemandi D, Manuel Irache J. Bioadhesive properties of poly(anhydride) nanoparticles coated with different molecular weights chitosan. J Microencapsul 2011; 28:455-63. [DOI: 10.3109/02652048.2011.576787] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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29
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Zhang Q, Liu J, Wang X, Li M, Yang J. Controlling internal nanostructures of porous microspheres prepared via electrospraying. Colloid Polym Sci 2010. [DOI: 10.1007/s00396-010-2273-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Vauthier C, Bouchemal K. Methods for the preparation and manufacture of polymeric nanoparticles. Pharm Res 2008; 26:1025-58. [PMID: 19107579 DOI: 10.1007/s11095-008-9800-3] [Citation(s) in RCA: 491] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2008] [Accepted: 12/01/2008] [Indexed: 10/21/2022]
Abstract
This review summarizes the different methods of preparation of polymer nanoparticles including nanospheres and nanocapsules. The first part summarizes the basic principle of each method of nanoparticle preparation. It presents the most recent innovations and progresses obtained over the last decade and which were not included in previous reviews on the subject. Strategies for the obtaining of nanoparticles with controlled in vivo fate are described in the second part of the review. A paragraph summarizing scaling up of nanoparticle production and presenting corresponding pilot set-up is considered in the third part of the review. Treatments of nanoparticles, applied after the synthesis, are described in the next part including purification, sterilization, lyophilization and concentration. Finally, methods to obtain labelled nanoparticles for in vitro and in vivo investigations are described in the last part of this review.
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Affiliation(s)
- Christine Vauthier
- CNRS UMR 8612, Université Paris Sud-11, 92296, Chatenay-Malabry, France.
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32
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Li L, Cui G, Zhao M, Wang Y, Wang H, Li W, Peng S. Assembly of beta-cyclodextrin with 3S-tetrahydro-beta-carboline-3-carboxylic acid and self-assembly of 6-(3'S-carboline-3'-carboxylaminoethylamino)-6-deoxy-beta-cyclodextrin: approaches to enhance anti-oxidation stability and anti-thrombotic potency. J Phys Chem B 2008; 112:12139-47. [PMID: 18754637 DOI: 10.1021/jp8025495] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
3 S-1,2,3,4-Tetrahydro-beta-carboline-3-carboxylic acid (THCA) isolated from Bulbus allii macrostemi was identified as the active antiplatelet aggregation ingredient. However, the very poor water solubility and the shortcoming of being oxidized easily in vivo seriously limit the clinical application of THCA. In the present study, two strategies were used to reduce this tendency. First, the inclusion complex of THCA with beta-cyclodextrin (beta-CD) was prepared. Spectral studies identified that the inclusion complex (beta-CD1,2/THCA) was in equilibrium between beta-CD/THCA and beta-CD2/THCA, and the proportion of two isomers was beta-CD concentration dependent; it was 89% vs 11% in our study. The oxidation of both THCA and beta-CD1,2/THCA by H2O2 followed first-order kinetics, and 35% of THCA and 33% of beta-CD1,2/THCA were oxidized during the monitoring period. In vitro antiplatelet aggregation and in vivo oral administration antithrombotic activity of THCA was largely increased via inclusion complexation with beta-CD. Second, a novel conjugate 6-(3' S-carboline-3'-carboxyamino-ethylamino)-6-deoxy-beta-CD (5-monomer) was prepared. Spectral characterizations demonstrated that 5-monomer was able to self-assemble into 5-dimer, which was coexisting with the monomer with a ratio of 79% vs 21% in solution. The in vitro oxidation of 5-monomer/5-dimer by H2O2 did not occur during the monitoring period. The in vitro antiplatelet aggregation and in vivo antithrombotic assays of 5-monomer /5-dimer demonstrated that the bioactivity of THCA was remarkably increased via conjugation with 6-ethylamino-6-deoxy-beta-CD and produced greater in vitro and in vivo effectiveness than that of the inclusion complex beta-CD1,2/THCA at the same dose. The significant improvement of the bioactivity and stability of THCA indicates that inclusion complexation and conjugation with beta-CD provide promising approaches to improve the practical use of THCA in clinical applications.
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Affiliation(s)
- Li Li
- College of Pharmaceutical Sciences, Capital Medical Univesity, Beijing 100069, PR China
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Bergeon JA, Chan YN, Charles BG, Toth I. Oral absorption enhancement of dipeptide L-Glu-L-Trp-OH by lipid and glycosyl conjugation. Biopolymers 2008; 90:633-43. [DOI: 10.1002/bip.21003] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Graf A, Jack KS, Whittaker AK, Hook SM, Rades T. Protein delivery using nanoparticles based on microemulsions with different structure-types. Eur J Pharm Sci 2008; 33:434-44. [DOI: 10.1016/j.ejps.2008.01.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2007] [Revised: 01/16/2008] [Accepted: 01/27/2008] [Indexed: 11/27/2022]
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