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An JY, Kim C, Park NR, Jung HS, Koo TS, Yuk SH, Lee EH, Cho SH. Clinical Anti-aging Efficacy of Propolis Polymeric Nanoparticles Prepared by a Temperature-induced Phase Transition Method. J Cosmet Dermatol 2022; 21:4060-4071. [PMID: 35001491 DOI: 10.1111/jocd.14740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/07/2021] [Accepted: 12/29/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Collagen forms a dermal matrix in the skin. Biosynthesis and decomposition of collagen are the major processes in skin aging. Propolis is rich in flavonoids and phenolic compounds, which are known to be effective in preventing skin aging, including the enhancement of fibroblast proliferation, activation, and growth capacity. OBJECTIVES The aim of this study was to develop a poorly soluble propolis extract as an active ingredient in cosmetic products for anti-aging efficacy. METHODS & RESULTS Polymeric nanoparticles containing propolis extract, polyethylene glycol 400, and poloxamer 407 were prepared via a temperature-induced phase transition method. The particle size of the polymeric nanoparticles was approximately 20.75 nm. The results of an in vitro procollagen type I carboxy-terminal peptide assay and a matrix metalloproteinase-1 inhibition assay showed that the polymeric nanoparticles increased collagen production by 19.81%-24.59% compared to blank (p < 0.05), and significantly reduced intracellular collagenase activity by 7.46%-31.52% compared to blank (p < 0.05). In a clinical trial, polymeric nanoparticles in a cosmetic formulation were applied around the eyes of 24 female subjects for 8 weeks. Five skin parameters were significantly improved after the application of the test ampoule. Visual evaluation using the Global Photo Damage Score showed a significant reduction in wrinkles after the application of the test ampoules (p < 0.001). CONCLUSIONS This study outlines the development of stable polymeric nanoparticles containing poorly soluble propolis in a cosmetic formulation, and its efficacy in wrinkle improvement. The developed polymeric nanoparticles were effective for alleviating wrinkles and can be used for pharmaceutical applications that utilize propolis as antiseptic, anti-inflammatory, antimycotic, antifungal, antibacterial, antiulcer, anticancer, and immunomodulatory agents.
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Affiliation(s)
- Joo Young An
- College of Pharmacy, Korea University, Sejong-ro, Sejong, Republic of Korea.,Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
| | - Chaejin Kim
- Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea.,College of Pharmacy, Chungang University, Seoul, Republic of Korea
| | - Na Rae Park
- Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea.,Graduate School of New Drug Discovery and Development, Chungnam National University, Yusung, Daejeon, Republic of Korea
| | - Han Soo Jung
- Hanstech, 1576-16, Chungui-ro, Jeongsan-myeon, Cheongyang-gun, Chungcheongnam-do, Republic of Korea
| | - Tae-Sung Koo
- Graduate School of New Drug Discovery and Development, Chungnam National University, Yusung, Daejeon, Republic of Korea
| | - Soon Hong Yuk
- College of Pharmacy, Korea University, Sejong-ro, Sejong, Republic of Korea
| | - Eun Hee Lee
- College of Pharmacy, Korea University, Sejong-ro, Sejong, Republic of Korea
| | - Sun Hang Cho
- Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
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Hou JH, Shin H, Shin H, Kil Y, Yang DH, Park MK, Lee W, Seong JY, Lee SH, Cho HS, Yuk SH, Lee KY. Influence of Panax ginseng formulation on skin microbiota: A randomized, split face comparative clinical study. J Ginseng Res 2021; 46:296-303. [PMID: 35509819 PMCID: PMC9058842 DOI: 10.1016/j.jgr.2021.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 12/01/2021] [Accepted: 12/03/2021] [Indexed: 10/28/2022] Open
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3
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Haseeb MT, Khaliq NU, Yuk SH, Hussain MA, Bashir S. Linseed polysaccharides based nanoparticles for controlled delivery of docetaxel: Design, in vitro drug release and cellular uptake. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2018.11.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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4
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Khaliq NU, Park DY, Yun BM, Yang DH, Jung YW, Seo JH, Hwang CS, Yuk SH. Pluronics: Intelligent building units for targeted cancer therapy and molecular imaging. Int J Pharm 2019; 556:30-44. [DOI: 10.1016/j.ijpharm.2018.11.064] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/24/2018] [Accepted: 11/26/2018] [Indexed: 11/26/2022]
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5
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Hou JH, Shin H, Jang KH, Park CK, Koo B, Shin H, Yuk SH, Lee KY. Anti-acne properties of hydrophobic fraction of red ginseng (Panax ginseng
C.A. Meyer) and its active components. Phytother Res 2018; 33:584-590. [DOI: 10.1002/ptr.6243] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 10/10/2018] [Accepted: 11/02/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Joon Hyuk Hou
- College of Pharmacy; Korea University; Sejong Republic of Korea
- Korea Ginseng Corporation Research Institute; Korea Ginseng Corporation; Daejeon Republic of Korea
| | - Hyunjung Shin
- Korea Ginseng Corporation Research Institute; Korea Ginseng Corporation; Daejeon Republic of Korea
| | - Kyoung Hwa Jang
- Korea Ginseng Corporation Research Institute; Korea Ginseng Corporation; Daejeon Republic of Korea
| | - Chae Kyu Park
- Korea Ginseng Corporation Research Institute; Korea Ginseng Corporation; Daejeon Republic of Korea
| | - Bonsuk Koo
- Korea Ginseng Corporation Research Institute; Korea Ginseng Corporation; Daejeon Republic of Korea
| | - Hyeji Shin
- College of Pharmacy; Korea University; Sejong Republic of Korea
| | - Soon Hong Yuk
- College of Pharmacy; Korea University; Sejong Republic of Korea
| | - Ki Yong Lee
- College of Pharmacy; Korea University; Sejong Republic of Korea
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6
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Choi HS, Kim KH, Jin S, Kim J, Yoo I, Pack SP, Ha UH, Park TW, Choi SA, Yuk SH, Kang SW, Jung YW. Decreased Expression of Sphingosine-1-Phosphate Receptor 1 in the Blood Leukocyte of Rheumatoid Arthritis Patients. Immune Netw 2018; 18:e39. [PMID: 30402334 PMCID: PMC6215904 DOI: 10.4110/in.2018.18.e39] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 10/23/2018] [Accepted: 10/23/2018] [Indexed: 12/26/2022] Open
Abstract
Sphingosine-1-phosphate (S1P) plays an important role in trafficking leukocytes and developing immune disorders including autoimmunity. In the synovium of rheumatoid arthritis (RA) patients, increased expression of S1P was reported, and the interaction between S1P and S1P receptor 1 (S1P1) has been suggested to regulate the expression of inflammatory genes and the proliferation of synovial cells. In this study, we investigated the level of S1P1 mRNA expression in the blood leukocytes of RA patients. In contrast to the previous reports, the expression level of this gene was not correlated to their clinical scores, disease durations and ages. However, S1P1 was transcribed at a significantly lower level in the circulating leukocytes of RA patients when compared to age-, and sex-matched healthy controls. Since these data may suggest the participation of S1P1, further studies are needed to determine the role of this receptor in the pathogenesis of RA.
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Affiliation(s)
- Hyun Suk Choi
- Department of Pharmacy, Korea University, Sejong 30019, Korea
| | - Kyong Hoon Kim
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Korea
| | - Seohoon Jin
- Division of Economics and Statistics, Korea University, Sejong 30019, Korea
| | - Jinhyun Kim
- Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon 35015, Korea
| | - Inseol Yoo
- Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon 35015, Korea
| | - Seung Pil Pack
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Korea
| | - Un-Hwan Ha
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Korea
| | - Tae Won Park
- Department of Psychiatry, Chonbuk National University College of Medicine, Jeonju 54896, Korea
| | - Soo An Choi
- Department of Pharmacy, Korea University, Sejong 30019, Korea
| | - Soon Hong Yuk
- Department of Pharmacy, Korea University, Sejong 30019, Korea
| | - Seong Wook Kang
- Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon 35015, Korea
| | - Yong Woo Jung
- Department of Pharmacy, Korea University, Sejong 30019, Korea
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Khaliq NU, Oh KS, Sandra FC, Joo Y, Lee J, Byun Y, Kim IS, Kwon IC, Seo JH, Kim SY, Yuk SH. Assembly of polymer micelles through the sol-gel transition for effective cancer therapy. J Control Release 2017; 255:258-269. [DOI: 10.1016/j.jconrel.2017.04.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 04/02/2017] [Accepted: 04/26/2017] [Indexed: 12/31/2022]
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Haseeb MT, Hussain MA, Abbas K, Youssif BGM, Bashir S, Yuk SH, Bukhari SNA. Linseed hydrogel-mediated green synthesis of silver nanoparticles for antimicrobial and wound-dressing applications. Int J Nanomedicine 2017; 12:2845-2855. [PMID: 28435262 PMCID: PMC5388254 DOI: 10.2147/ijn.s133971] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Polysaccharides are being extensively employed for the synthesis of silver nanoparticles (Ag NPs) having diverse morphology and applications. Herein, we present a novel and green synthesis of Ag NPs without using any physical reaction conditions. Linseed hydrogel (LSH) was used as a template to reduce Ag+ to Ag0. AgNO3 (10, 20, and 30 mmol) solutions were mixed with LSH suspension in deionized water and exposed to diffused sunlight. Reaction was monitored by noting the change in the color of reaction mixture up to 10 h. Ag NPs showed characteristic ultraviolet-visible (UV/Vis) absorptions from 410 to 437 nm in the case of sunlight and 397-410 nm in the case of temperature study. Transmission electron microscopy images revealed the formation of spherical Ag NPs in the range of 10-35 nm. Face-centered cubic array of Ag NPs was confirmed by characteristic diffraction peaks in powder X-ray diffraction spectrum. Ag NPs were stored in LSH thin films, and UV/Vis spectra recorded after 6 months indicated that Ag NPs retained their texture over the storage period. Significant antimicrobial activity was observed when microbial cultures (bacteria and fungi) were exposed to the synthesized Ag NPs. Wound-healing studies revealed that Ag NP-impregnated LSH thin films could have potential applications as an antimicrobial dressing in wound management procedures.
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Affiliation(s)
- Muhammad Tahir Haseeb
- Faculty of Pharmacy, University of Sargodha, Sargodha, Pakistan
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | | | - Khawar Abbas
- Department of Chemistry, University of Sargodha, Sargodha, Pakistan
| | - Bahaa GM Youssif
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt
- Department of Pharmaceutical Chemistry, College of Pharmacy, Aljouf University, Aljouf, Sakaka, Saudi Arabia
| | - Sajid Bashir
- Faculty of Pharmacy, University of Sargodha, Sargodha, Pakistan
| | - Soon Hong Yuk
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Syed Nasir Abbas Bukhari
- Department of Pharmaceutical Chemistry, College of Pharmacy, Aljouf University, Aljouf, Sakaka, Saudi Arabia
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Abstract
Core/shell macrobeads, composed of a hydrogel core and a biodegradable polymeric shell, were designed and evaluated for the protection of islets from both fibrous tissue development as well as the modulation of the immune system rejection response. The core/shell macrobeads (2,000μm diameter) were prepared with approximately 150μm thick polymeric shells. Islets isolated from pancreas of C57/BL6 mice were encapsulated in these core/shell macrobeads. The islets-loaded core/shell macrobeads were planted in the peritoneal cavity of diabetes mellitus-induced C57/BL6 mice and the blood glucose concentrations were measured.
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Affiliation(s)
- Young Hwan Choi
- Department of Polymer Science and Engineering, Hannam University, 133 Ojeong Dong, Daedeog Ku, Taejeon, Korea, 306-791
| | - Jin Ho Lee
- Department of Polymer Science and Engineering, Hannam University, 133 Ojeong Dong, Daedeog Ku, Taejeon, Korea, 306-791
| | - Soon Hong Yuk
- Department of Polymer Science and Engineering, Hannam University, 133 Ojeong Dong, Daedeog Ku, Taejeon, Korea, 306-791,
| | - Sun Hee Suh
- Department of Immunology, The Catholic University of Korea, St Mary’s Hospital, 505 Banpo Dong, Seocho Ku, Seoul, Korea, 137-040
| | - Kun-Ho Yoon
- Department of Immunology, The Catholic University of Korea, St Mary’s Hospital, 505 Banpo Dong, Seocho Ku, Seoul, Korea, 137-040
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10
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Kim K, Oh KS, Park DY, Lee JY, Lee BS, Kim IS, Kim K, Kwon IC, Sang YK, Yuk SH. Doxorubicin/gold-loaded core/shell nanoparticles for combination therapy to treat cancer through the enhanced tumor targeting. J Control Release 2016; 228:141-149. [DOI: 10.1016/j.jconrel.2016.03.009] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 02/28/2016] [Accepted: 03/06/2016] [Indexed: 01/01/2023]
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11
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Oh KS, Kim K, Yoon BD, Lee HJ, Park DY, Kim EY, Lee K, Seo JH, Yuk SH. Docetaxel-loaded multilayer nanoparticles with nanodroplets for cancer therapy. Int J Nanomedicine 2016; 11:1077-87. [PMID: 27042062 PMCID: PMC4801198 DOI: 10.2147/ijn.s100170] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A mixture of docetaxel (DTX) and Solutol® HS 15 (Solutol) transiently formed nanodroplets when it was suspended in an aqueous medium. However, nanodroplets that comprised DTX and Solutol showed a rapid precipitation of DTX because of their unstable characteristics in the aqueous medium. The incorporation of nanodroplets that comprised DTX and Solutol through vesicle fusion and subsequent stabilization was designed to prepare multilayer nanoparticles (NPs) with a DTX-loaded Solutol nanodroplet (as template NPs) core for an efficient delivery of DTX as a chemotherapeutic drug. As a result, the DTX-loaded Solutol nanodroplets (~11.7 nm) were observed to have an increased average diameter (from 11.7 nm to 156.1 nm) and a good stability of the hydrated NPs without precipitation of DTX by vesicle fusion and multilayered structure, respectively. Also, a long circulation of the multilayer NPs was observed, and this was due to the presence of Pluronic F-68 on the surface of the multilayer NPs. This led to an improved antitumor efficacy based on the enhanced permeation and retention effect. Therefore, this study indicated that the multilayer NPs have a considerable potential as a drug delivery system with an enhanced therapeutic efficacy by blood circulation and with low side effects.
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Affiliation(s)
- Keun Sang Oh
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Byeong Deok Yoon
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Hye Jin Lee
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Dal Yong Park
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Eun-Yeong Kim
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Kiho Lee
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Jae Hong Seo
- Biomedical Research Center, Korea University Guro Hospital, Guro-gu, Seoul, Republic of Korea
| | - Soon Hong Yuk
- College of Pharmacy, Korea University, Sejong, Republic of Korea; Biomedical Research Center, Korea University Guro Hospital, Guro-gu, Seoul, Republic of Korea
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12
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Lee BS, Cho YW, Kim GC, Lee DH, Kim CJ, Kil HS, Chi DY, Byun Y, Yuk SH, Kim K, Kim IS, Kwon IC, Kim SY. Induced Phenotype Targeted Therapy: Radiation-Induced Apoptosis-Targeted Chemotherapy. ACTA ACUST UNITED AC 2014; 107:dju403. [DOI: 10.1093/jnci/dju403] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Oh KS, Kim JY, Yoon BD, Lee M, Kim H, Kim M, Seo JH, Yuk SH. Sol–gel transition of nanoparticles/polymer mixtures for sustained delivery of exenatide to treat type 2 diabetes mellitus. Eur J Pharm Biopharm 2014; 88:664-9. [DOI: 10.1016/j.ejpb.2014.08.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 08/08/2014] [Accepted: 08/11/2014] [Indexed: 11/16/2022]
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Oh KS, Han H, Yoon BD, Lee M, Kim H, Seo DW, Seo JH, Kim K, Kwon IC, Yuk SH. Effect of HIFU treatment on tumor targeting efficacy of docetaxel-loaded Pluronic nanoparticles. Colloids Surf B Biointerfaces 2014; 119:137-44. [DOI: 10.1016/j.colsurfb.2014.05.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 05/02/2014] [Accepted: 05/03/2014] [Indexed: 10/25/2022]
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Oh KS, Yhee JY, Lee DE, Kim K, Kwon IC, Seo JH, Kim SY, Yuk SH. Accurate sequential detection of primary tumor and metastatic lymphatics using a temperature-induced phase transition nanoparticulate system. Int J Nanomedicine 2014; 9:2955-65. [PMID: 24971007 PMCID: PMC4069145 DOI: 10.2147/ijn.s63720] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Primary tumor and tumor-associated metastatic lymphatics have emerged as new targets for anticancer therapy, given that these are difficult to treat using traditional chemotherapy. In this study, docetaxel-loaded Pluronic nanoparticles with Flamma™ (FPR-675, fluorescence molecular imaging dye; DTX/FPR-675 Pluronic NPs) were prepared using a temperature-induced phase transition for accurate detection of metastatic lymphatics. Significant accumulation was seen at the primary tumor and in metastatic lymph nodes within a short time. Particle size, maximum drug loading capacity, and drug encapsulation efficiency of the docetaxel-loaded Pluronic NPs were approximately 10.34±4.28 nm, 3.84 wt%, and 94±2.67 wt%, respectively. Lymphatic tracking after local and systemic delivery showed that DTX/FPR-675 Pluronic NPs were more potent in tumor-bearing mice than in normal mice, and excised mouse lymphatics showed stronger near-infrared fluorescence intensity on the tumor-bearing side than on the non-tumor-bearing side at 60 minutes post-injection. In vivo cytotoxicity and efficacy data for the NPs demonstrated that the systemically administered NPs caused little tissue damage and had minimal side effects in terms of slow renal excretion and prolonged circulation in tumor-bearing mice, and rapid renal excretion in non-tumor-bearing mice using an in vivo real-time near-infrared fluorescence imaging system. These results clearly indicate that docetaxel-loaded Pluronic NPs could provide a strategy to achieve effective cancer therapy by simultaneous delivery to primary tumors, tumor lymphatics, and tumor-associated metastatic lymphatics.
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Affiliation(s)
- Keun Sang Oh
- College of Pharmacy, Korea University, Sejong, Seoul, Republic of Korea
| | - Ji Young Yhee
- Biomedical Research Center, Korea Institute of Science and Technology, Seoul, Seoul, Republic of Korea
| | - Dong-Eun Lee
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeonbuk, Seoul, Republic of Korea
| | - Kwangmeyung Kim
- Biomedical Research Center, Korea Institute of Science and Technology, Seoul, Seoul, Republic of Korea
| | - Ick Chan Kwon
- Biomedical Research Center, Korea Institute of Science and Technology, Seoul, Seoul, Republic of Korea
| | - Jae Hong Seo
- Biomedical Research Center, Korea University Guro Hospital, Seoul, Seoul, Republic of Korea
| | - Sang Yoon Kim
- Department of Otolaryngology, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, Republic of Korea
| | - Soon Hong Yuk
- College of Pharmacy, Korea University, Sejong, Seoul, Republic of Korea ; Biomedical Research Center, Korea University Guro Hospital, Seoul, Seoul, Republic of Korea
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Jung YW, Lee H, Kim JY, Koo EJ, Oh KS, Yuk SH. Pluronic-based core/shell nanoparticles for drug delivery and diagnosis. Curr Med Chem 2014; 20:3488-99. [PMID: 23745558 DOI: 10.2174/09298673113209990036] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 03/15/2013] [Indexed: 11/22/2022]
Abstract
Pluronic-based core/shell nanoparticles (NPs) were formed using various strategies such as self-assembly and temperature induced-phase transition. To improve their functionality as a nanomedicine for diagnosis and therapy, the vesicle fusion and layer by layer approach were employed. Because of the hydrophilic nature of the Pluronic shell and the relatively small size, Pluronic-based core/shell NPs were used in order to improve their pharmacokinetic behaviors in drugs and in imaging agents. This review will introduce various types of Pluronic-based core/shell NPs according to their preparation method and formation mechanism. The focus will be on the Pluronic-based core/shell NPs for tumor targeting, stimulated release of proteins, and cancer imaging capabilities.
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Affiliation(s)
- Yon Woo Jung
- College of Pharmacy, Korea University, 2511 Sejongro, Sejong, 339-700, Republic of Korea
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17
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Ha DC, Lee HY, Son YW, Yuk SH, Choi YW, Kwak BK, Shin BC, Cho CW, Cho SH. Preparation and evaluation of poly(2-hydroxyethyl aspartamide)-hexadecylamine-iron oxide for MR imaging of lymph nodes. Nanoscale Res Lett 2014; 9:38. [PMID: 24438671 PMCID: PMC3931668 DOI: 10.1186/1556-276x-9-38] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 01/07/2014] [Indexed: 06/03/2023]
Abstract
The purpose of this study was to synthesize biocompatible poly(2-hydroxyethyl aspartamide)-C16-iron oxide (PHEA-C16-iron oxide) nanoparticles and to evaluate their efficacy as a contrast agent for magnetic resonance imaging of lymph nodes. The PHEA-C16-iron oxide nanoparticles were synthesized by coprecipitation method. The core size of the PHEA-C16-iron oxide nanoparticles was about 5 to 7 nm, and the overall size of the nanoparticles was around 20, 60, and 150 nm in aqueous solution. The size of the nanoparticles was controlled by the amount of C16. The 3.0-T MRI signal intensity of a rabbit lymph node was effectively reduced after intravenous administration of PHEA-C16-iron oxide with the size of 20 nm. The in vitro and in vivo toxicity tests revealed the high biocompatibility of PHEA-C16-iron oxide nanoparticles. Therefore, PHEA-C16-iron oxide nanoparticles with 20-nm size can be potentially useful as T2-weighted MR imaging contrast agents for the detection of lymph nodes.
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Affiliation(s)
- Dae Chul Ha
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 305-764, Republic of Korea
| | - Ha Young Lee
- Division of Drug Discovery Research, Research Center for Medicinal Chemistry, Korean Research Institute of Chemical Technology (KRICT), 100 Jang-dong, Yuseong-gu, Daejeon 305-600, Republic of Korea
| | - Yeo Won Son
- University of Science and Technology, 113 Gwahangno, Yuseong-gu, Daejeon 305-333, Republic of Korea
| | - Soon Hong Yuk
- College of Pharmacy, Korea University, 2511 Sejongro, Sejong 339-700, Republic of Korea
| | - Youn Woong Choi
- Korea United Pharmaceuticals, Inc., 25-23 Nojanggongdan-gil, Jeondong-myeon, Sejong 339-841, Republic of Korea
| | - Byung Kook Kwak
- Chung-Ang University, 102 Heukseok-ro, Dongjak-gu, Seoul 156-755, Republic of Korea
| | - Byung Cheol Shin
- Division of Drug Discovery Research, Research Center for Medicinal Chemistry, Korean Research Institute of Chemical Technology (KRICT), 100 Jang-dong, Yuseong-gu, Daejeon 305-600, Republic of Korea
| | - Cheong-Weon Cho
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 305-764, Republic of Korea
| | - Sun Hang Cho
- Division of Drug Discovery Research, Research Center for Medicinal Chemistry, Korean Research Institute of Chemical Technology (KRICT), 100 Jang-dong, Yuseong-gu, Daejeon 305-600, Republic of Korea
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Lee J, Boerrigter SXM, Jung YW, Byun Y, Yuk SH, Byrn SR, Lee EH. Organic vapor sorption method of isostructural solvates and polymorph of tenofovir disoproxil fumarate. Eur J Pharm Sci 2013; 50:253-62. [DOI: 10.1016/j.ejps.2013.07.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2013] [Revised: 06/26/2013] [Accepted: 07/09/2013] [Indexed: 11/26/2022]
Affiliation(s)
- Jangmi Lee
- College of Pharmacy, Korea University, 2511 Sejong-ro, Sejong 339-700, Republic of Korea
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Kim JY, Lee H, Oh KS, Kweon S, Jeon OC, Byun Y, Kim K, Kwon IC, Kim SY, Yuk SH. Multilayer nanoparticles for sustained delivery of exenatide to treat type 2 diabetes mellitus. Biomaterials 2013; 34:8444-9. [PMID: 23895999 DOI: 10.1016/j.biomaterials.2013.07.040] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2013] [Accepted: 07/11/2013] [Indexed: 11/18/2022]
Abstract
A method for the sustained delivery of exenatide was proposed using nanoparticles (NPs) with a core/shell structure. The interactions between lipid bilayers and Pluronics were utilized to form various NPs using a layer-by-layer approach. Transmittance electron microscopy and dynamic light scattering were used to examine the morphology of the NPs. The in vitro release pattern was observed as a function of changes in the structure of the NPs, and the structural integrity of exenatide released was examined by SDS-PAGE analysis. Pharmacokinetics and antidiabetic effects were also observed with the structural change of NPs using in vivo animal models. In vitro-in vivo correlation was discussed in relation to manipulation of the NP structures.
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Affiliation(s)
- Jae Yeon Kim
- College of Pharmacy, Korea University, 2511 Sejongro, Sejong 339-700, Republic of Korea
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Song JE, Kim MJ, Yoon H, Yoo H, Lee YJ, Kim HN, Lee D, Yuk SH, Khang G. Effect of hyaluronic acid (HA) in a HA/PLGA scaffold on annulus fibrosus regeneration: In vivo tests. Macromol Res 2013. [DOI: 10.1007/s13233-013-1137-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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21
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Nam I, Bae JW, Jee KS, Lee JW, Park KD, Yuk SH. Poly(N-isopropylacrylamide-co-N-vinylpyrrolidone) as a novel implant materials: Preparation and thermo-gelling behavior. Macromol Res 2013. [DOI: 10.1007/bf03218300] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Oh KS, Lee H, Kim JY, Koo EJ, Lee EH, Park JH, Kim SY, Kim K, Kwon IC, Yuk SH. The multilayer nanoparticles formed by layer by layer approach for cancer-targeting therapy. J Control Release 2012; 165:9-15. [PMID: 23103984 DOI: 10.1016/j.jconrel.2012.10.013] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 10/01/2012] [Accepted: 10/17/2012] [Indexed: 01/14/2023]
Abstract
The multilayer nanoparticles (NPs) were prepared for cancer-targeting therapy using the layer by layer approach. When drug-loaded Pluronic NPs were mixed with vesicles (liposomes) in the aqueous medium, Pluronic NPs were incorporated into the vesicles to form the vesicle NPs. Then, the multilayer NPs were formed by freeze-drying the vesicle NPs in a Pluronic aqueous solution. The morphology and size distribution of the multilayer NPs were observed using a TEM and a particle size analyzer. In order to apply the multilayer NPs as a delivery system for docetaxel (DTX), which is a model anticancer drug, the release pattern of the DTX was observed and the tumor growth was monitored by injecting the multilayer NPs into the tail veins of tumor (squamous cell carcinoma)-bearing mice. The cytotoxicity of free DTX (commercial DTX formulation (Taxotere®)) and the multilayer NPs was evaluated using MTT assay. We also evaluated the tumor targeting ability of the multilayer NPs using magnetic resonance imaging. The multilayer NPs showed excellent tumor targetability and antitumor efficacy in tumor-bearing mice, caused by the enhanced permeation and retention (EPR) effect. These results suggest that the multilayer NPs could be a potential drug delivery system for cancer-targeting therapy.
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Affiliation(s)
- Keun Sang Oh
- College of Pharmacy, Korea University, 2511 Sejongro, Sejong 339-700, Republic of Korea
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Ryu JH, Koo H, Sun IC, Yuk SH, Choi K, Kim K, Kwon IC. Tumor-targeting multi-functional nanoparticles for theragnosis: new paradigm for cancer therapy. Adv Drug Deliv Rev 2012; 64:1447-58. [PMID: 22772034 DOI: 10.1016/j.addr.2012.06.012] [Citation(s) in RCA: 141] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Revised: 06/25/2012] [Accepted: 06/28/2012] [Indexed: 12/21/2022]
Abstract
Theragnostic nanoparticles (NPs) contain diagnostic and therapeutic functions in one integrated system, enabling diagnosis, therapy, and monitoring of therapeutic response at the same time. For diagnostic function, theragnostic NPs require the inclusion of noninvasive imaging modalities. Among them, optical imaging has various advantages including sensitivity, real-time and convenient use, and non-ionization safety, which make it the leading technique for theragnostic NPs. For therapeutic function, theragnostic NPs have been applied to chemotherapy, photodynamic therapy, siRNA therapy and photothermal therapy. In this review, we present a recent progress reported in the development and applications of theragnostic NPs for cancer therapy. More specifically, we will focus on theragnostic NPs related with optical imaging, highlighting promising strategies based on optical imaging techniques.
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Lim CK, Shin J, Lee YD, Kim J, Oh KS, Yuk SH, Jeong SY, Kwon IC, Kim S. Phthalocyanine-aggregated polymeric nanoparticles as tumor-homing near-infrared absorbers for photothermal therapy of cancer. Theranostics 2012; 2:871-9. [PMID: 23082099 PMCID: PMC3475215 DOI: 10.7150/thno.4133] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2012] [Accepted: 04/23/2012] [Indexed: 01/01/2023] Open
Abstract
Phthalocyanine-aggregated Pluronic nanoparticles were constructed as a novel type of near-infrared (NIR) absorber for photothermal therapy. Tiny nanoparticles (~ 60 nm, FPc NPs) were prepared by aqueous dispersion of phthalocyanine-aggregated self-assembled nanodomains that were phase-separated from the melt mixture with Pluronic. Under NIR laser irradiation, FPc NPs manifested robust heat generation capability, superior to an individual cyanine dye and cyanine-aggregated nanoparticles. Micro- and macroscopic imaging experiments showed that FPc NPs are capable of internalization into live cancer cells as well as tumor accumulation when intravenously administered into living mice. It is shown here that continuous NIR irradiation of the tumor-targeted FPc NPs can cause phototherapeutic effects in vitro and in vivo through excessive local heating, demonstrating potential of phthalocyanine-aggregated nanoparticles as an all-organic NIR nanoabsorber for hyperthermia.
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Oh KS, Lee S, Na JH, Kim JY, Kim DE, Kim K, Kwon IC, Yuk SH, Jeong SY. Blood-pool multifunctional nanoparticles formed by temperature-induced phase transition for cancer-targeting therapy and molecular imaging. Int J Pharm 2012; 437:192-202. [PMID: 22944301 DOI: 10.1016/j.ijpharm.2012.08.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Revised: 08/05/2012] [Accepted: 08/19/2012] [Indexed: 02/04/2023]
Abstract
Multifunctional nanoparticles (NPs) were prepared based on temperature-induced phase transition in a molten mixture of Lipiodol(®), Tween 80, paclitaxel (PTX), and Pluronic F-68, wherein the Lipiodol(®)/Tween 80 mixture is used as a solubilizer for PTX, and Pluronic F-68 is used for the stabilization of the molten mixture. The morphology and size distribution of optimized multifunctional NPs were observed using transmittance electron microscopy (TEM) and a particle size analyzer. In the optical imaging of tumor-bearing mice using a near-infrared fluorescence (NIRF) imaging system, the multifunctional NPs were evaluated in terms of a time-dependent excretion profile, in vivo biodistribution and tumor-targeting capability compared to free fluorescence dye. In addition, the prolonged circulation of multifunctional NPs was confirmed by enhancement of the blood-pool in live animals using a micro-CT imaging system, because iodine-containing Lipiodol(®) has an X-ray enhancement property. Finally, the anti-tumor efficacy of multifunctional NPs was monitored by injecting the multifunctional NPs into the tail veins of tumor-bearing mice. The multifunctional NPs showed excellent tumor targetability and anti-tumor efficacy in tumor-bearing mice, caused by the enhanced permeation and retention (EPR) effect.
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Affiliation(s)
- Keun Sang Oh
- Center for Theragnosis, Biomedical Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea
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Na JH, Lee SY, Lee S, Koo H, Min KH, Jeong SY, Yuk SH, Kim K, Kwon IC. Effect of the stability and deformability of self-assembled glycol chitosan nanoparticles on tumor-targeting efficiency. J Control Release 2012; 163:2-9. [PMID: 22846988 DOI: 10.1016/j.jconrel.2012.07.028] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Revised: 07/16/2012] [Accepted: 07/21/2012] [Indexed: 10/28/2022]
Abstract
To evaluate the tumor targeting efficiency of self-assembled polymeric nanoparticles, four glycol chitosan nanoparticles (CNPs) with different degrees of hydrophobic substitution were prepared by coupling 7.5, 12, 23, and 35 wt.% of 5β-cholanic acid to hydrophilic glycol chitosan polymer (GC). The sizes and zeta-potentials of different CNPs in aqueous condition were not significantly different, but their stability and deformability were greatly dependent upon the degree of substitution (DS) of 5β-cholanic acid. With an increase in hydrophobicity, CNPs became more stable and rigid, as characterized by SDS-PAGE and filtration tests. To compare with CNPs, linear GC and polystyrene nanoparticles (PSNPs) were employed as controls. In vivo tumor accumulation of Cy5.5-labeled linear GC, polystyrene nanoparticles (PSNPs) and CNPs were monitored in flank tumors and liver tumor-bearing mice models using near-infrared fluorescence (NIRF) imaging systems. CNPs displayed higher tumor accumulation than GC and PSNPs via the enhanced permeability and retention (EPR) effect. Interestingly, CNPs containing 23 wt.% of 5β-cholanic acid (CNP-23%) showed the highest tumor-targeting efficiency compared to other CNPs. As exemplified in this study, the stability of CNP-23% is better than CNP-7.5% and CNP-12% containing 7.5 wt.% and 12 wt.% of 5β-cholanic acid, respectively, and the deformability of CNP-23% is better than that of CNP-35% containing 35 wt.% of 5β-cholanic acid. We proposed that the superior tumor-targeting efficiency of CNP-23% is mainly due to their balanced stability and deformability in vivo. This study demonstrates that the degree of hydrophobic substitution of self-assembled nanoparticles could determine their stability and deformability. Importantly, they were founded to be the key factors which affect their tumor-targeting efficiency in vivo, and so that these factors should be highly considered during developing nanoparticles for tumor-targeted imaging or drug delivery.
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Affiliation(s)
- Jin Hee Na
- Department of Life and Nanopharmaceutical Science, Kyung Hee University, 1 Hoegi-ding, Dongdaemun-gu, Seoul 130-701, Republic of Korea
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Park K, Jung GY, Kim MK, Park MS, Shin YK, Hwang JK, Yuk SH. Triptorelin acetate-loaded poly(lactide-co-glycolide) (PLGA) microspheres for controlled drug delivery. Macromol Res 2012. [DOI: 10.1007/s13233-012-0123-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Oh MJ, Shim JB, Yoo H, Lee GY, Jo H, Jeong SM, Yuk SH, Lee D, Khang G. The dissolution property of raloxifene HCl solid dispersion using hydroxypropyl methylcellulose. Macromol Res 2012. [DOI: 10.1007/s13233-012-0127-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cho SH, Lim SM, Han DK, Yuk SH, Im GI, Lee JH. Time-Dependent Alginate/Polyvinyl Alcohol Hydrogels as Injectable Cell Carriers. Journal of Biomaterials Science, Polymer Edition 2012; 20:863-76. [DOI: 10.1163/156856209x444312] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Sang Ho Cho
- a Department of Advanced Materials, Hannam University, 461-6 Jeonmin Dong, Yuseong Gu, Daejeon 305-811, South Korea; Kwang Dong Pharmaceutical Co. Ltd., 621 Jangdang Dong, Pyongtaek 459-020, South Korea
| | - Sung Mook Lim
- b Department of Advanced Materials, Hannam University, 461-6 Jeonmin Dong, Yuseong Gu, Daejeon 305-811, South Korea
| | - Dong Keun Han
- c Biomaterials Research Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, South Korea
| | - Soon Hong Yuk
- d Department of Advanced Materials, Hannam University, 461-6 Jeonmin Dong, Yuseong Gu, Daejeon 305-811, South Korea
| | - Gun Il Im
- e Department of Orthopedics, Dongguk University International Hospital, 814 Sigsa Dong, Goyang 411-373, South Korea
| | - Jin Ho Lee
- f Department of Advanced Materials, Hannam University, 461-6 Jeonmin Dong, Yuseong Gu, Daejeon 305-811, South Korea
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Yuk SH, Oh KS, Park J, Kim SJ, Kim JH, Kwon IK. Paclitaxel-loaded poly(lactide-co-glycolide)/poly(ethylene vinyl acetate) composite for stent coating by ultrasonic atomizing spray. Sci Technol Adv Mater 2012; 13:025005. [PMID: 27877483 PMCID: PMC5090633 DOI: 10.1088/1468-6996/13/2/025005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Revised: 04/03/2012] [Accepted: 02/12/2012] [Indexed: 06/06/2023]
Abstract
The mixture of poly(lactide-co-glycolide) (PLGA) and poly(ethylene vinyl acetate) (PEVA) forms a homogeneous liquid in an organic solvent such as tetrahydrofuran, and a phase-separated PLGA/PEVA composite can be prepared from it by evaporating the organic solvent. Exploiting this phenomenon, we designed a novel method of preparing a drug-loaded PLGA/PEVA composite and used it for coating drug-eluting stents (DESs). Paclitaxel (PTX), an anticancer drug, was chosen as a model drug. PLGA acts as a microdepot for PTX, and PEVA provides mechanical strength to the coating material. The presence of PLGA in the PLGA/PEVA composite suppressed PTX crystallization in the coating material, and PTX showed a sustained release rate over more than 30 days. The mechanical strength of the PLGA/PEVA composite was better than that of PEVA used as a control. After coating the stent with a PLGA/PEVA composite using ultrasonic atomizing spray, the morphology of the coated material was observed by scanning electron microscopy, and the release pattern of PTX was measured by high-performance liquid chromatography.
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Affiliation(s)
- Soon Hong Yuk
- College of Pharmacy, Korea University, Jochiwon, Yeongi, Chungnam, 339–700, Korea
| | - Keun Sang Oh
- Biomedical Research Center, Korea Institute of Science and Technology, Seoul, 136–791, Korea
| | - Jinah Park
- College of Pharmacy, Korea University, Jochiwon, Yeongi, Chungnam, 339–700, Korea
| | - Soon-Joong Kim
- Department of Maxillofacial Biomedical Engineering, School of Dentistry, Kyung Hee University, 136–791, Korea
| | - Jung Ho Kim
- Department of Maxillofacial Biomedical Engineering, School of Dentistry, Kyung Hee University, 136–791, Korea
| | - Il Keun Kwon
- Department of Maxillofacial Biomedical Engineering, School of Dentistry, Kyung Hee University, 136–791, Korea
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Yoon HY, Koo H, Choi KY, Lee SJ, Kim K, Kwon IC, Leary JF, Park K, Yuk SH, Park JH, Choi K. Tumor-targeting hyaluronic acid nanoparticles for photodynamic imaging and therapy. Biomaterials 2012; 33:3980-9. [PMID: 22364699 DOI: 10.1016/j.biomaterials.2012.02.016] [Citation(s) in RCA: 203] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Accepted: 02/06/2012] [Indexed: 12/21/2022]
Abstract
Tumor-targeted imaging and therapy have been the challenging issue in the clinical field. Herein, we report tumor-targeting hyaluronic acid nanoparticles (HANPs) as the carrier of the hydrophobic photosensitizer, chlorin e6 (Ce6) for simultaneous photodynamic imaging and therapy. First, self-assembled HANPs were synthesized by chemical conjugation of aminated 5β-cholanic acid, polyethylene glycol (PEG), and black hole quencher3 (BHQ3) to the HA polymers. Second, Ce6 was readily loaded into the HANPs by a simple dialysis method resulting in Ce6-loaded hyaluronic acid nanoparticles (Ce6-HANPs), wherein in the loading efficiency of Ce6 was higher than 80%. The resulting Ce6-HANPs showed stable nano-structure in aqueous condition and rapid uptake into tumor cells. In particular Ce6-HANPs were rapidly degraded by hyaluronidases abundant in cytosol of tumor cells, which may enable intracellular release of Ce6 at the tumor tissue. After an intravenous injection into the tumor-bearing mice, Ce6-HANPs could efficiently reach the tumor tissue via the passive targeting mechanism and specifically enter tumor cells through the receptor-mediated endocytosis based on the interactions between HA of nanoparticles and CD44, the HA receptor on the surface of tumor cells. Upon laser irradiation, Ce6 which was released from the nanoparticles could generate fluorescence and singlet oxygen inside tumor cells, resulting in effective suppression of tumor growth. Overall, it was demonstrated that Ce6-HANPs could be successfully applied to in vivo photodynamic tumor imaging and therapy simultaneously.
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Affiliation(s)
- Hong Yeol Yoon
- Department of Polymer Science and Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Yuk SH, Oh KS, Cho SH, Kim SY, Oh S, Lee JH, Kim K, Kwon IC. Enhancement of the Targeting Capabilities of the Paclitaxel-Loaded Pluronic Nanoparticles with a Glycol Chitosan/Heparin Composite. Mol Pharm 2011; 9:230-6. [DOI: 10.1021/mp200278s] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Soon Hong Yuk
- College of Pharmacy, Korea University, Jochiwon, Yeongi, Chungnam, 339-700,
Republic of Korea
| | - Keun Sang Oh
- Biomedical
Research Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong,
Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - Sun Hang Cho
- Nanobiomaterials Laboratories, Korea Research Institute of Chemical Technology, P.O.
Box 107, Yusung, Daejeon 305-600, Republic of Korea
| | - Sang Yoon Kim
- Department of Otolaryngology, Asan Medical Center, University of Ulsan, College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul 138-736,
Republic of Korea
| | - Sangkwon Oh
- Department of Advanced
Materials, Hannam University, 461-6 Jeonmin-dong, Yusung-gu, Daejeon 305-811, Republic of Korea
| | - Jin Ho Lee
- Department of Advanced
Materials, Hannam University, 461-6 Jeonmin-dong, Yusung-gu, Daejeon 305-811, Republic of Korea
| | - Kwangmeyung Kim
- Biomedical
Research Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong,
Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - Ick Chan Kwon
- Biomedical
Research Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong,
Seongbuk-gu, Seoul 136-791, Republic of Korea
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Abstract
Therapy and diagnosis are two major categories in the clinical treatment of disease. Recently, the word "theranosis" has been created, combining the words to describe the implementation of these two distinct pursuits simultaneously. For successful theranosis, the efficient delivery of imaging agents and drugs is critical to provide sufficient imaging signal or drug concentration in the targeted disease site. To achieve this purpose, biomedical researchers have developed various nanoparticles composed of organic or inorganic materials. However, the targeted delivery of these nanoparticles in animal models and patients remains a difficult hurdle for many researchers, even if they show useful properties in cell culture condition. In this Account, we review our strategies for developing theranostic nanoparticles to accomplish in vivo targeted delivery of imaging agents and drugs. By applying these rational strategies, we achieved fine multimodal imaging and successful therapy. Our first strategy involves physicochemical optimization of nanoparticles for long circulation and an enhanced permeation and retention (EPR) effect. We accomplished this result by testing various materials in mouse models and optimizing the physical properties of the materials with imaging techniques. Through these experiments, we developed a glycol chitosan nanoparticle (CNP), which is suitable for angiogenic diseases, such as cancers, even without an additional targeting moiety. The in vivo mechanism of this particle was examined through rationally designed experiments. In addition, we evaluated and compared the biodistribution and target-site accumulation of bare and drug-loaded nanoparticles. We then focus on the targeting moieties that bind to cell surface receptors. Small peptides were selected as targeting moieties because of their stability, low cost, size, and activity per unit mass. Through phage display screening, the interleukin-4 receptor binding peptide was discovered, and we combined it with our nanoparticles. This product accumulated efficiently in atherosclerotic regions or tumors during both imaging and therapy. We also developed hyaluronic acid nanoparticles that can bind efficiently to the CD44 antigen receptors abundant in many tumor cells. Their delivery mechanism is based on both physicochemical optimization for the EPR effect and receptor-mediated endocytosis by their hyaluronic acid backbone. Finally, we introduce the stimuli-responsive system related to the chemical and biological changes in the target disease site. Considering the relatively low pH in tumors and ischemic sites, we applied pH-sensitive micelle to optical imaging, magnetic resonance imaging, anticancer drug delivery, and photodynamic therapy. In addition, we successfully evaluated the in vivo imaging of enzyme activity at the target site with an enzyme-specific peptide sequence and CNPs. On the basis of these strategies, we were able to develop self-assembled nanoparticles for in vivo targeted delivery, and successful results were obtained with them in animal models for both imaging and therapy. We anticipate that these rational strategies, as well as our nanoparticles, will be applied in both the diagnosis and therapy of many human diseases. These theranostic nanoparticles are expected to greatly contribute to optimized therapy for individual patients as personalized medicine, in the near future.
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Affiliation(s)
- Heebeom Koo
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 6, Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - Myung Sook Huh
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 6, Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - In-Cheol Sun
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 6, Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - Soon Hong Yuk
- College of Pharmacy, Korea University, Jochiwon, Yeongi, Chungnam 339-700, Republic of Korea
| | - Kuiwon Choi
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 6, Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - Kwangmeyung Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 6, Seongbuk-gu, Seoul 136-791, Republic of Korea
| | - Ick Chan Kwon
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 6, Seongbuk-gu, Seoul 136-791, Republic of Korea
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Yuk SH, Oh KS, Koo H, Jeon H, Kim K, Kwon IC. Multi-core vesicle nanoparticles based on vesicle fusion for delivery of chemotherapic drugs. Biomaterials 2011; 32:7924-31. [PMID: 21784512 DOI: 10.1016/j.biomaterials.2011.07.017] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Accepted: 07/05/2011] [Indexed: 12/31/2022]
Abstract
The Pluronic nanoparticles (NPs) composed of Pluronic (F-68) and liquid polyethylene glycol (PEG, molecular wt: 400) containing docetaxel (DTX) were stabilized with the vesicle fusion. When DTX-loaded Pluronic NPs were mixed with vesicles in the aqueous medium, DTX-loaded Pluronic NPs were incorporated into vesicles to form multi-core vesicle NPs. The morphology and size distribution of multi-core vesicle NPs were observed using FE-SEM, cryo-TEM and a particle size analyzer. To apply multi-core vesicle NPs as a delivery system for DTX, a model anti-cancer drug, the release pattern of DTX was observed and the tumor growth was monitored by injecting the DTX-loaded multi-core vesicle NPs into the tail veins of tumor-bearing mice. We also evaluated the time-dependent excretion profile, in vivo biodistribution, circulation time, and tumor targeting capability of multi-core vesicle NPs using a non-invasive live animal imaging technology.
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Affiliation(s)
- Soon Hong Yuk
- College of Pharmacy, Korea University, Jochiwon, Yeongi, Chungnam 339-700, Republic of Korea
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Yuk SH, Oh KS, Cho SH, Lee BS, Kim SY, Kwak BK, Kim K, Kwon IC. Glycol chitosan/heparin immobilized iron oxide nanoparticles with a tumor-targeting characteristic for magnetic resonance imaging. Biomacromolecules 2011; 12:2335-43. [PMID: 21506550 DOI: 10.1021/bm200413a] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We described the preparation of the glycol chitosan/heparin immobilized iron oxide nanoparticles (composite NPs) as a magnetic resonance imaging agent with a tumor-targeting characteristic. The iron oxide nanoseeds used clinically as a magnetic resonance imaging agent were immobilized into the glycol chitosan/heparin network to form the composite NPs. To induce the ionic interaction between the iron oxide nanoseeds and glycol chitosan, gold was deposited on the surface of iron oxide nanoseeds. After the immobilization of gold-deposited iron oxide NPs into the glycol chitosan network, the NPs were stabilized with heparin based on the ionic interaction between cationic glycol chitosan and anionic heparin. FE-SEM (field emission-scanning electron microscopy) and a particle size analyzer were used to observe the formation of the stabilized composite NPs, and a Jobin-Yvon Ultima-C inductively coupled plasma-atomic emission spectrometer (ICP-AES) was used to measure the contents (%) of formed iron oxide nanoseeds as a function of reaction temperature and formed gold deposited on the iron oxide nanoparticles. We also evaluated the time-dependent excretion profile, in vivo biodistribution, circulation time, and tumor-targeting ability of the composite NPs using a noninvasive NIR fluorescence imaging technology. To observe the MRI contrast characteristic, the composite NPs were injected into the tail veins of tumor-bearing mice to demonstrate their selective tumoral distribution. The MR images were collected with conventional T(2)-weighted spin echo acquisition parameters.
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Affiliation(s)
- Soon Hong Yuk
- Korea University, Jochiwon, Yeongi, Chungnam, Republic of Korea.
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Oh KS, Um YS, Lee JH, Cho SH, Lee KE, Han SS, Kim D, Yuk SH. Core/shell nanoparticles for pH-sensitive delivery of doxorubicin. J Nanosci Nanotechnol 2010; 10:6967-6971. [PMID: 21137835 DOI: 10.1166/jnn.2010.2986] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Core/shell nanoparticles with lipid core were prepared and characterized as pH-sensitive delivery system of anticancer drug. The lipid core is composed of drug-loaded lecithin and the polymeric shell is composed of Pluronics (poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) tri-block copolymer, F-127). Based on the preparation method in the previous report by us, the freeze-drying of drug-loaded lecithin was performed in the F-127 aqueous solution containing trehalose used as a cryoprotectant to form stabilized core/shell nanoparticles. For the application of core/shell nanoparticles as a pH-sensitive drug delivery system for anticancer drug, doxorubicin was loaded into the core/shell nanoparticles and the drug loading amount and drug release behavior in response to pH change were observed.
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Affiliation(s)
- Keun Sang Oh
- Department of Advanced Materials, Hannam University, Daejeon 305-811, Korea
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Jeong SY, Kim HJ, Kwak BK, Lee HY, Seong H, Shin BC, Yuk SH, Hwang SJ, Cho SH. Biocompatible Polyhydroxyethylaspartamide-based Micelles with Gadolinium for MRI Contrast Agents. Nanoscale Res Lett 2010; 5:1970-6. [PMID: 21170410 PMCID: PMC2991228 DOI: 10.1007/s11671-010-9734-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Accepted: 08/05/2010] [Indexed: 05/30/2023]
Abstract
Biocompatible poly-[N-(2-hydroxyethyl)-d,l-aspartamide]-methoxypoly(ethyleneglycol)-hexadecylamine (PHEA-mPEG-C(16)) conjugated with 1,4,7,10-tetraazacyclododecan-1,4,7,10-tetraacetic acid-gadolinium (DOTA-Gd) via ethylenediamine (ED) was synthesized as a magnetic resonance imaging (MRI) contrast agent. Amphiphilic PHEA-mPEG-C(16)-ED-DOTA-Gd forms micelle in aqueous solution. All the synthesized materials were characterized by proton nuclear magnetic resonance ((1)H NMR). Micelle size and shape were examined by dynamic light scattering (DLS) and atomic force microscopy (AFM). Micelles with PHEA-mPEG-C(16)-ED-DOTA-Gd showed higher relaxivities than the commercially available gadolinium contrast agent. Moreover, the signal intensity of a rabbit liver was effectively increased after intravenous injection of PHEA-mPEG-C(16)-ED-DOTA-Gd.
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Affiliation(s)
- Sang Young Jeong
- College of Pharmacy, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon, 305-764, South Korea
| | - Hyo Jeong Kim
- Center for Drug Discovery Technology, KRICT, 100 Jang-dong, Yuseong-gu, Daejeon, 305-600, South Korea
| | - Byung-Kook Kwak
- College of Medicine, Chung-Ang University, 224-1 Heuksuk-dong, Dongjak-gu, Seoul, 156-756, South Korea
| | - Ha-Young Lee
- Center for Drug Discovery Technology, KRICT, 100 Jang-dong, Yuseong-gu, Daejeon, 305-600, South Korea
| | - Hasoo Seong
- Center for Drug Discovery Technology, KRICT, 100 Jang-dong, Yuseong-gu, Daejeon, 305-600, South Korea
| | - Byung Cheol Shin
- Center for Drug Discovery Technology, KRICT, 100 Jang-dong, Yuseong-gu, Daejeon, 305-600, South Korea
| | - Soon Hong Yuk
- Center for Drug Discovery Technology, KRICT, 100 Jang-dong, Yuseong-gu, Daejeon, 305-600, South Korea
| | - Sung-Joo Hwang
- College of Pharmacy, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon, 305-764, South Korea
| | - Sun Hang Cho
- Center for Drug Discovery Technology, KRICT, 100 Jang-dong, Yuseong-gu, Daejeon, 305-600, South Korea
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Oh KS, Song JY, Yoon SJ, Park Y, Kim D, Yuk SH. Temperature-induced gel formation of core/shell nanoparticles for the regeneration of ischemic heart. J Control Release 2010; 146:207-11. [DOI: 10.1016/j.jconrel.2010.04.014] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Revised: 04/11/2010] [Accepted: 04/13/2010] [Indexed: 12/01/2022]
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Lim SM, Oh SH, Lee HH, Yuk SH, Im GI, Lee JH. Dual growth factor-releasing nanoparticle/hydrogel system for cartilage tissue engineering. J Mater Sci Mater Med 2010; 21:2593-2600. [PMID: 20577785 DOI: 10.1007/s10856-010-4118-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Accepted: 06/11/2010] [Indexed: 05/26/2023]
Abstract
In order to induce the chondrogenesis of mesenchymal stem cells (MSCs) in tissue engineering, a variety of growth factors have been adapted and encouraging results have been demonstrated. In this study, we developed a delivery system for dual growth factors using a gelation rate controllable alginate solution (containing BMP-7) and polyion complex nanoparticles (containing TGF-beta(2)) to be applied for the chondrogenesis of MSCs. The dual growth factors (BMP-7/TGF-beta(2))-loaded nanoparticle/hydrogel system showed a controlled release of both growth factors: a faster release of BMP-7 and a slower release of TGF-beta(2), ca., approximately 80 and 30% release at the end of an incubation period (21 days), respectively, which may be highly desirable for chondrogenic differentiation of MSCs. On the contrary, the release of each growth factor from the dual growth factors-loaded hydrogel (without the nanoparticles) was much slower than that of the nanoparticle/hydrogel system, approximately 36% (BMP-7) and 16% (TGF-beta(2)) for 21 days, and this is more than likely attributed to the aggregation between growth factors during the hydrogel fabrication step. The nanoparticle/hydrogel system with separate growth factor loading may provide desirable growth factor delivery kinetics for cartilage regeneration, as well as the chondrogenesis of MSCs.
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Affiliation(s)
- Sung Mook Lim
- Department of Advanced Materials, Hannam University, 461-6 Jeonmin Dong, Yuseong Gu, Daejeon, 305-811, Republic of Korea
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Choi WI, Yoon KC, Im SK, Kim YH, Yuk SH, Tae G. Remarkably enhanced stability and function of core/shell nanoparticles composed of a lecithin core and a pluronic shell layer by photo-crosslinking the shell layer: in vitro and in vivo study. Acta Biomater 2010; 6:2666-73. [PMID: 20102749 DOI: 10.1016/j.actbio.2010.01.029] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2009] [Revised: 12/23/2009] [Accepted: 01/20/2010] [Indexed: 11/25/2022]
Abstract
A core/shell nanoparticle system with a lecithin core and a pluronic shell has been previously reported, and it was shown to act as an effective sustained release system for positively charged proteins. Here, to provide improved stability of the core/shell nanoparticle system in a physiological environment, we prepared the core/shell nanoparticle system with a photo-crosslinked shell layer by using a lecithin liposome as the core and pluronic F 127 diacrylate (DA-PF 127) as the shell layer. The DA-PF 127 was then photo-polymerized. Compared with a purely physical system, chemical crosslinking of the shell layer resulted not only in significantly increased structural stability of the core/shell nanoparticles in both an organic co-solvent and in serum but also several remarkably enhanced functioning as a protein delivery system. First, the chemically crosslinked systems were resuspended in aqueous solution after lyophilization without using a cryo-protectant. Second, target proteins were efficiently loaded into the nanoparticles by simple co-incubation in aqueous solution at a low temperature (4 degrees C) and the dried powder form of the protein-loaded nanoparticles was obtained. The loading capacity of the system was increased by more than 10 times compared with that of a purely physical system. Most importantly, the chemically crosslinked system showed more sustained release of the loaded proteins, and the release rate was not noticeably affected by the presence of serum proteins, whereas sustained release of loaded vascular endothelial growth factor (VEGF) in a purely physical system was greatly reduced by serum proteins. In an in vivo corneal angiogenesis assay the chemically crosslinked system loaded with VEGF resulted in more efficient new blood vessel formation than the physical system.
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Chung YI, Kim SK, Lee YK, Park SJ, Cho KO, Yuk SH, Tae G, Kim YH. Efficient revascularization by VEGF administration via heparin-functionalized nanoparticle–fibrin complex. J Control Release 2010; 143:282-9. [DOI: 10.1016/j.jconrel.2010.01.010] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Revised: 01/04/2010] [Accepted: 01/07/2010] [Indexed: 11/30/2022]
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Reddy AM, Kwak BK, Shim HJ, Ahn C, Cho SH, Kim BJ, Jeong SY, Hwang SJ, Yuk SH. Functional characterization of mesenchymal stem cells labeled with a novel PVP-coated superparamagnetic iron oxide. Contrast Media Mol Imaging 2009; 4:118-26. [PMID: 19308999 DOI: 10.1002/cmmi.271] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Magnetic resonance imaging of cells labeled with superparamagnetic iron oxide (SPIO) could be a valuable tool for tracking transplanted cells in living organisms. Human bone marrow-derived mesenchymal stem cells (hBMMSC) were labeled with a novel polyvinyl pyrrolidone (PVP)-coated SPIO. Prussian blue staining and electron microscopy revealed that almost all of the cells were efficiently labeled with PVP-SPIO nanoparticles. There were no signs of cytotoxicity, even at concentrations of up to 1600 microg Fe/ml of the nanoparticles, and the labeled cells were successfully visualized by in vitro cellular MRI. In addition, there was no significant alteration of the phenotype or the adipo/osteo/chondrogenic differentiation potential of the cells. This was in contrast to Feridex IV labeling that led to the inhibition of hBMMSC chondrogenesis. Following intramuscular injection in a rabbit hind limb ischemia model, the intercellular migration of the labeled cells toward the ablated site was clearly tracked through in vivo MRI. The localization of the transplanted cells observed by MRI correlated well with postmortem histological studies. These results demonstrate that the novel PVP-SPIO nanoparticles appear to be efficient MR contrast agents and may enable non-invasive in vivo tracking of stem cells in experimental and clinical settings during cell therapy.
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Affiliation(s)
- Alavala Matta Reddy
- Department of Radiology, Chung-Ang University College of Medicine, Seoul, Republic of Korea
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Park HY, Oh KS, Koo HM, Cho SH, Chung SJ, Lim YT, Kim D, Yuk SH. Heparin-immobilized pluronic/PVA composite microparticles for the sustained delivery of ionic drug. J Microencapsul 2008; 25:106-10. [DOI: 10.1080/02652040701800917] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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44
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Kim BK, Kim D, Cho SH, Yuk SH. Hydrophilized poly(lactide-co-glycolide) nanospheres with poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) triblock copolymer. J Microencapsul 2008; 21:697-707. [PMID: 15799220 DOI: 10.1080/02652040400000520] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A novel method for preparing the PLGA nanospheres with hydrophilic surface has been designed and characterized. Because of good solubility of tetraglycol in water, PLGA (poly(lactide-co-glycolide)) nanospheres were formed by spraying the PLGA/tetraglycol solution into water. The size of PLGA nanospheres was manipulated by changing the concentration of PLGA/tetraglycol solution. Based on the hydrophobic interaction between PLGA and poly(propylene oxide) domain of F-127 (one of Pluronics, poly(ethylene oxide)-poly(propylene oxide)poly(ethylene oxide) triblock copolymer, F-127-coated PLGA nanospheres was prepared to enhance the stability of PLGA nanospheres in the aqueous media. For the application as a drug delivery vehicle, it was characterized by measuring the loading amount, the encapsulation efficiency and the release pattern of drug. Paclitaxel used as a potent anti-cancer drug was selected as a model drug.
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Affiliation(s)
- B K Kim
- Department of Polymer Science and Engineering, Hannam University, Daedeog Ku, Taejeon, Korea 306-791
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45
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Kang DY, Kim MJ, Kim ST, Oh KS, Yuk SH, Lee S. Size characterization of drug-loaded polymeric core/shell nanoparticles using asymmetrical flow field-flow fractionation. Anal Bioanal Chem 2008; 390:2183-8. [DOI: 10.1007/s00216-008-1984-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2007] [Revised: 02/12/2008] [Accepted: 02/14/2008] [Indexed: 11/29/2022]
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46
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Yoo JY, Shin JH, Khang G, Shin HS, Yuk SH, Kim YS, Kim MS, Rhee JM, Lee HB. Effect of glycolide monomer on release behavior of gentamicin sulfate-loaded PLGA microparticles. J Appl Polym Sci 2007. [DOI: 10.1002/app.24804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Oh KS, Han SK, Lee HS, Koo HM, Kim RS, Lee KE, Han SS, Cho SH, Yuk SH. Core/Shell nanoparticles with lecithin lipid cores for protein delivery. Biomacromolecules 2006; 7:2362-7. [PMID: 16903683 DOI: 10.1021/bm060362k] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Core/shell nanoparticles with lipid core, were prepared and characterized as a sustained delivery system for protein. The lipid core is composed of protein-loaded lecithin and the polymeric shell is composed of Pluronics (poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) triblock copolymer, F-127). Based on the preparation method in the previous report by us, the freeze-drying of protein-loaded lecithin was performed in the F-127 aqueous solution containing trehalose used as a cryoprotectant to form stabilized core/shell nanoparticles. Cryo-TEM (transmittance electron microscopy) and a particle size analyzer were used to observe the formation of stabilized core/shell nanoparticles. For the application of core/shell nanoparticles as a protein drug carrier, lysozyme and vascular endothelial growth factor (VEGF) were loaded into the core/shell nanoparticles by electrostatic interaction, and the drug release pattern was observed by manipulating the polymeric shell.
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Affiliation(s)
- Keun Sang Oh
- Department of Polymer Science and Engineering, Hannam University, 133 Ojeong Dong, Daedeog Ku, Taejeon, Korea
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Lee HY, Lim NH, Seo JA, Yuk SH, Kwak BK, Khang G, Lee HB, Cho SH. Preparation and magnetic resonance imaging effect of polyvinylpyrrolidone-coated iron oxide nanoparticles. J Biomed Mater Res B Appl Biomater 2006; 79:142-50. [PMID: 16767710 DOI: 10.1002/jbm.b.30524] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Polyvinylpyrrolidone (PVP)-coated iron oxide nanoparticles were prepared by the thermal decomposition of Fe(CO)(5) (iron pentacarbonyl) in one step. X-ray diffraction (XRD), transmission electron microscopy (TEM), electrophoretic light scattering (ELS), infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) together with the variation of the molar ratio of PVP/Fe(CO)(5), solvent, and molecular weight of PVP, were used to characterize the PVP-coated iron oxide nanoparticles. Fifty to hundred nanometer-sized iron oxide nanoclusters with a spherical shape were formed in dimethylformamide (DMF), used as a solvent, and exhibited an enhanced stability in the aqueous media. Their magnetic properties were investigated by superconducting quantum interface device (SQUID). The in vitro cytotoxicity test revealed that the PVP-coated iron oxide nanoparticles exhibited excellent biocompatibility by MTT assay. Magnetic resonance imaging (MRI) effect was observed with the administration of PVP-coated iron oxide nanoparticles through the marginal vein of rabbit, resulting in improved detection of the liver lesions.
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Affiliation(s)
- Ha Young Lee
- Department of Advanced Organic Materials Engineering, Chonbuk National University, Jeonju, Jeonbuk, Republic of Korea
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50
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Chung YI, Tae G, Hong Yuk S. A facile method to prepare heparin-functionalized nanoparticles for controlled release of growth factors. Biomaterials 2006; 27:2621-6. [PMID: 16360204 DOI: 10.1016/j.biomaterials.2005.11.043] [Citation(s) in RCA: 99] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2005] [Accepted: 11/28/2005] [Indexed: 11/15/2022]
Abstract
A new, facile method to prepare the heparin-functionalized PLGA nanoparticle (HEP-PLGA NP) for the controlled release of growth factors is developed. This system is composed of PLGA as a hydrophobic core, Pluronic F-127 as a hydrophilic surface layer, and heparin as the functional moiety. HEP-PLGA NPs were prepared by a solvent-diffusion method without chemical modification of the components. The entrapment of heparin molecules was confirmed by a negatively increased zeta potential value and the specific binding affinity to antithrombin III. The average diameter and the surface charge of the nanoparticles were ranged from 139+/-2 to 188+/-4 nm and from -26.0+/-1.1 to -44.1+/-1.3 mV by increasing the amount of heparin during the nanoparticle preparation. Accordingly, the amount of heparin on the nanoparticle increased from 0% to 4.7%. As a model in vitro release experiment, lysozyme was loaded into HEP-PLGA NPs, and a sustained release profile over 2 weeks was obtained with maintaining its bioactivity. The release of rhVEGF, one of the heparin-binding growth factors, showed a more sustained and prolonged profile than that of lysozyme over one month.
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Affiliation(s)
- Yong-Il Chung
- Department of Materials Science and Engineering, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea
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