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Han GY, Kwack HW, Kim YH, Je YH, Kim HJ, Cho CS. Progress of polysaccharide-based tissue adhesives. Carbohydr Polym 2024; 327:121634. [PMID: 38171653 DOI: 10.1016/j.carbpol.2023.121634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 09/22/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 01/05/2024]
Abstract
Recently, polymer-based tissue adhesives (TAs) have gained the attention of scientists and industries as alternatives to sutures for sealing and closing wounds or incisions because of their ease of use, low cost, minimal tissue damage, and short application time. However, poor mechanical properties and weak adhesion strength limit the application of TAs, although numerous studies have attempted to develop new TAs with enhanced performance. Therefore, next-generation TAs with improved multifunctional properties are required. In this review, we address the requirements of polymeric TAs, adhesive characteristics, adhesion strength assessment methods, adhesion mechanisms, applications, advantages and disadvantages, and commercial products of polysaccharide (PS)-based TAs, including chitosan (CS), alginate (AL), dextran (DE), and hyaluronic acid (HA). Additionally, future perspectives are discussed.
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Affiliation(s)
- Gi-Yeon Han
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
| | - Ho-Wook Kwack
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
| | - Yo-Han Kim
- Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Yeon Ho Je
- Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyun-Joong Kim
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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2
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Kim CG, Kim WK, Kim N, Pyung YJ, Park DJ, Lee JC, Cho CS, Chu H, Yun CH. Intranasal Immunization With Nanoparticles Containing an Orientia tsutsugamushi Protein Vaccine Candidate and a Polysorbitol Transporter Adjuvant Enhances Both Humoral and Cellular Immune Responses. Immune Netw 2023; 23:e47. [PMID: 38188601 PMCID: PMC10767547 DOI: 10.4110/in.2023.23.e47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 06/01/2023] [Revised: 12/08/2023] [Accepted: 12/10/2023] [Indexed: 01/09/2024] Open
Abstract
Scrub typhus, a mite-borne infectious disease, is caused by Orientia tsutsugamushi. Despite many attempts to develop a protective strategy, an effective preventive vaccine has not been developed. The identification of appropriate Ags that cover diverse antigenic strains and provide long-lasting immunity is a fundamental challenge in the development of a scrub typhus vaccine. We investigated whether this limitation could be overcome by harnessing the nanoparticle-forming polysorbitol transporter (PST) for an O. tsutsugamushi vaccine strategy. Two target proteins, 56-kDa type-specific Ag (TSA56) and surface cell Ag A (ScaA) were used as vaccine candidates. PST formed stable nano-size complexes with TSA56 (TSA56-PST) and ScaA (ScaA-PST); neither exhibited cytotoxicity. The formation of Ag-specific IgG2a, IgG2b, and IgA in mice was enhanced by intranasal vaccination with TSA56-PST or ScaA-PST. The vaccines containing PST induced Ag-specific proliferation of CD8+ and CD4+ T cells. Furthermore, the vaccines containing PST improved the mouse survival against O. tsutsugamushi infection. Collectively, the present study indicated that PST could enhance both Ag-specific humoral immunity and T cell response, which are essential to effectively confer protective immunity against O. tsutsugamushi infection. These findings suggest that PST has potential for use in an intranasal vaccination strategy.
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Affiliation(s)
- Cheol Gyun Kim
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
- Bio-MAX/N-Bio, Seoul National University, Seoul 08826, Korea
| | - Won Kyong Kim
- Division of Zoonotic and Vector Borne Disease Research, Center for Infectious Disease Research, National Institute of Health, Cheongju 28159, Korea
| | - Narae Kim
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Young Jin Pyung
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Da-Jeong Park
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Jeong-Cheol Lee
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Hyuk Chu
- Division of Zoonotic and Vector Borne Disease Research, Center for Infectious Disease Research, National Institute of Health, Cheongju 28159, Korea
| | - Cheol-Heui Yun
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
- Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Korea
- Institutes of Green-bio Science and Technology, Seoul National University, Pyeongchang 25354, Korea
- Interdisciplinary Programs in Agricultural Genomics, Seoul National University, Seoul 08826, Korea
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Han H, Xing L, Chen BT, Liu Y, Zhou TJ, Wang Y, Zhang LF, Li L, Cho CS, Jiang HL. Progress on the pathological tissue microenvironment barrier-modulated nanomedicine. Adv Drug Deliv Rev 2023; 200:115051. [PMID: 37549848 DOI: 10.1016/j.addr.2023.115051] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 06/18/2023] [Revised: 07/21/2023] [Accepted: 08/04/2023] [Indexed: 08/09/2023]
Abstract
Imbalance in the tissue microenvironment is the main obstacle to drug delivery and distribution in the human body. Before penetrating the pathological tissue microenvironment to the target site, therapeutic agents are usually accompanied by three consumption steps: the first step is tissue physical barriers for prevention of their penetration, the second step is inactivation of them by biological molecules, and the third step is a cytoprotective mechanism for preventing them from functioning on specific subcellular organelles. However, recent studies in drug-hindering mainly focus on normal physiological rather than pathological microenvironment, and the repair of damaged physiological barriers is also rarely discussed. Actually, both the modulation of pathological barriers and the repair of damaged physiological barriers are essential in the disease treatment and the homeostasis maintenance. In this review, we present an overview describing the latest advances in the generality of these pathological barriers and barrier-modulated nanomedicine. Overall, this review holds considerable significance for guiding the design of nanomedicine to increase drug efficacy in the future.
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Affiliation(s)
- Han Han
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Lei Xing
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; College of Pharmacy, Yanbian University, Yanji 133002, China
| | - Bi-Te Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Yang Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Tian-Jiao Zhou
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Yi Wang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Ling-Feng Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Ling Li
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea.
| | - Hu-Lin Jiang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China; College of Pharmacy, Yanbian University, Yanji 133002, China.
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Han GY, Hwang SK, Cho KH, Kim HJ, Cho CS. Progress of tissue adhesives based on proteins and synthetic polymers. Biomater Res 2023; 27:57. [PMID: 37287042 DOI: 10.1186/s40824-023-00397-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/17/2023] [Indexed: 06/09/2023] Open
Abstract
In recent years, polymer-based tissue adhesives (TAs) have been developed as an alternative to sutures to close and seal incisions or wounds owing to their ease of use, rapid application time, low cost, and minimal tissue damage. Although significant research is being conducted to develop new TAs with improved performances using different strategies, the applications of TAs are limited by several factors, such as weak adhesion strength and poor mechanical properties. Therefore, the next-generation advanced TAs with biomimetic and multifunctional properties should be developed. Herein, we review the requirements, adhesive performances, characteristics, adhesive mechanisms, applications, commercial products, and advantages and disadvantages of proteins- and synthetic polymer-based TAs. Furthermore, future perspectives in the field of TA-based research have been discussed.
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Affiliation(s)
- Gi-Yeon Han
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul, 08826, Korea
| | - Soo-Kyung Hwang
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Ki-Hyun Cho
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul, 03080, Korea
| | - Hyun-Joong Kim
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul, 08826, Korea.
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea.
| | - Chong-Su Cho
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea.
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Cho CS, Jo I. Bone Morphogenic Protein-2-Conjugated Three-Dimensional-Printed Poly (L-Lactic Acid) (PLLA) Scaffold is likely Promising as an Effective Bone Substitute. Tissue Eng Regen Med 2023; 20:155-156. [PMID: 36964871 PMCID: PMC10070576 DOI: 10.1007/s13770-023-00537-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/26/2023] Open
Abstract
Bone morphogenic protein-2 (BMP-2)-conjugated three-dimensional (3-D)-printed poly (L-lactic acid)(PLLA) scaffold is likely promising as an effective bone substitute for enhancing bone regeneration of massive bone defects caused by tumor resection, traumatic injury, or congenital diseases. The authors developed a new bone substitute using a novel strategy composed of 3-D-printed PLLA scaffolds through a sequential coating of catechol-conjugated alginate (C-AL), BMP-2, and collagen (CO). The 3-D-printed PLLA scaffold was successfully obtained with 5 mm of diameter, 1 mm of thickness, 400 μm of pore size, 187-230 μm of grid thickness, and 82% of porosity. Alkaline phosphatase (ALP) activity of the BMP-2-immobilized PLLA scaffold in MC3T3-E1 and W-20-17 cells was more increased than BMP-2 itself due to the controlled release of BMP-2 from the scaffold. Tenfold new bone formation for the BMP-2-immobilized PLLA scaffold was obtained by micro-CT analysis than PLLA scaffold without BMP-2 weeks after 4 weeks of transplantation model mouse. Further another big animal model study should be performed before clinical trials.
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Affiliation(s)
- Chong-Su Cho
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Inho Jo
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, 07804, Republic of Korea.
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Kim CG, Lee JC, Ju DB, Kim SK, Yun CH, Cho CS. Enhancement of Immune Responses Elicited by Nanovaccines through a Cross-Presentation Pathway. Tissue Eng Regen Med 2023; 20:355-370. [PMID: 36884197 PMCID: PMC9994410 DOI: 10.1007/s13770-023-00527-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 03/09/2023] Open
Abstract
Numerous studies have aimed to develop novel advanced vaccines, in part because traditional vaccines have been unsuccessful in preventing rapidly emerging and reemerging viral and bacterial infections. There is a need for an advanced vaccine delivery system to ensure the successful induction of humoral and cellular immune responses. In particular, the ability of nanovaccines to modulate intracellular antigen delivery by inducing exogenous antigens (loaded onto major histocompatibility complex class 1 molecules) in CD8+ T cells, the so-called cross-presentation pathway, has attracted a great deal of attention. Protection against viral and intracellular bacterial infections relies on cross-presentation. This review discusses the advantages, requirements, and preparation of nanovaccines, the cross-presentation mechanism, the several parameters affecting cross-presentation by nanovaccines, and future perspectives.
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Affiliation(s)
- Cheol-Gyun Kim
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jeong-Cheol Lee
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Do-Bin Ju
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seo-Kyung Kim
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Cheol-Heui Yun
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
- Center for Food and Bioconvergence, Seoul National University, Seoul, 08826, Republic of Korea.
- Institutes of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-Do, 25354, Republic of Korea.
- Interdisciplinary Programs in Agricultural Genomics, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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Jin Y, Lv H, Wang M, Choi Y, Cho CS, Shin J, Cui L, Yan C. Effect of microencapsulation of egg yolk immunoglobulin (IgY) by sodium alginate/chitosan/sodium alginate on the growth performance, serum parameters, and intestinal health of broiler chickens. Anim Biosci 2023:ab.22.0414. [PMID: 36915923 PMCID: PMC10330971 DOI: 10.5713/ab.22.0414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 10/31/2022] [Accepted: 02/10/2023] [Indexed: 03/02/2023] Open
Abstract
Objective Egg yolk immunoglobulin (IgY) is an antibiotic alternative to prevent and fight intestinal pathogenic infections. This study aimed to investigate the effects of sodium alginate/chitosan/sodium alginate IgY microcapsules on the growth performance, serum parameters, and intestinal health of broiler chickens. Methods One-day-old broilers (Ross 308) were divided into five treatments, each with 10 replicates of five chickens. The dietary treatments were maintained for 28 days and consisted of a basal diet (NC), basal diet + 500mg chlortetracycline/kg diet (CH), basal diet + 50mg non-microencapsulated IgY/kg diet (NM), basal diet + 600mg low levels microencapsulated IgY/kg diet (LM), and basal diet + 700 mg high levels microencapsulated IgY/kg diet (HM). Results Throughout the 28-day trial period, the NM, LM, HM and CH groups increased average daily gain (ADG) compared with the NC group (P < 0.05), and the HM group reduced feed conversion ratio (FCR) compared with the CH group (P < 0.05). The LM and HM groups increased relative organ weights of thymus and spleen compared with the CH and NM groups (P < 0.05). The HM group improved the duodenal, jejunal and ileum villi height (VH) and villus height to crypt depth ratio (VH:CD) compared with the CH and NM groups (P < 0.05). Compared with the CH group, the HM group increased serum immunoglobulin (IgA), immunoglobulin G (IgG), superoxide dismutase (SOD), total antioxidant capacity (T-AOC) and glutathione peroxidase (GSH-Px) levels (P < 0.05), and decreased serum malondialdehyde (MDA) levels (P < 0.05). Compared with the NC group, the NM, LM, HM, and CH groups reduced colonic Escherichia coli (E. coli) and Salmonella levels (P < 0.05). and the HM group promoted the levels of lactic acid bacteria and bifidobacteria compared with the CH group (P < 0.05). Conclusion Microencapsulation could be considered as a way to improve the efficiency of IgY. The 700 mg high levels microencapsulated IgY/kg diet could potentially be used as an alternative to antibiotics to improve the immune performance and intestinal health, leading to better performance of broiler chickens.
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Affiliation(s)
- Yuanming Jin
- Department of Animal Science, Yanbian University, Yanji, Jilin 133002, China.,Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education,Yanbian University, Yanji, Jilin 133002, China
| | - Haojie Lv
- Department of Animal Science, Yanbian University, Yanji, Jilin 133002, China
| | - Mingzhu Wang
- Department of Animal Science, Yanbian University, Yanji, Jilin 133002, China.,Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education,Yanbian University, Yanji, Jilin 133002, China
| | - Yunjaie Choi
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Jongsuh Shin
- Department of Animal Life Sciences, Kangwon National University, Gangwon-do24341, Korea
| | - Lianhua Cui
- Department of Animal Science, Yanbian University, Yanji, Jilin 133002, China.,Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education,Yanbian University, Yanji, Jilin 133002, China
| | - Changuo Yan
- Department of Animal Science, Yanbian University, Yanji, Jilin 133002, China.,Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education,Yanbian University, Yanji, Jilin 133002, China
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8
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Ju DB, Lee JC, Hwang SK, Cho CS, Kim HJ. Progress of Polysaccharide-Contained Polyurethanes for Biomedical Applications. Tissue Eng Regen Med 2022; 19:891-912. [PMID: 35819712 DOI: 10.1007/s13770-022-00464-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [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: 01/16/2022] [Revised: 04/10/2022] [Accepted: 05/01/2022] [Indexed: 11/26/2022] Open
Abstract
Polyurethane (PU) has been widely examined and used for biomedical applications, such as catheters, blood oxygenators, stents, cardiac valves, drug delivery carriers, dialysis devices, wound dressings, adhesives, pacemaker, tissue engineering, and coatings for breast implants due to its mechanical flexibility, high tear strength, biocompatibility, and tailorable foams although bio-acceptability, biodegradability and controlled drug delivery to achieve the desired properties should be considered. Especially, during the last decade, the development of bio-based PUs has raised public awareness because of the concern with global plastic waste for creating more environmentally friended materials. Therefore, it is desirable to discuss polysaccharide (PS)-contained PU for the wound dressing and bone tissue engineering among bio-based PUs because PS has several advantages, such as biocompatibility, reproducibility from the natural resources, degradability, ease of incorporation of bioactive agents, ease of availability and cost-effectiveness, and structural feature of chemical modification to meet the desired needs to overcome the disadvantages of PU itself by containing the PS into the PU.
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Affiliation(s)
- Do-Bin Ju
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, Korea
| | - Jeong-Cheol Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, Korea
| | - Soo-Kyung Hwang
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08824, Korea
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul, 08824, Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, Korea.
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08824, Korea.
| | - Hyun-Joong Kim
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08824, Korea.
- Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul, 08824, Korea.
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9
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Park IK, Ju DB, Babu A, Lee JC, Pyung YJ, Cho CS, Kim HJ. In vitro photodynamic therapy of methylene blue-loaded acetyl resistant starch nanoparticles. Biomater Res 2022; 26:28. [PMID: 35761374 PMCID: PMC9235160 DOI: 10.1186/s40824-022-00273-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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] [Received: 04/17/2022] [Accepted: 06/09/2022] [Indexed: 11/10/2022] Open
Abstract
Background Combination therapies comprising multiple methods, such as photodynamic therapy have been applied to be complements chemotherapy as they increase the therapeutic efficiency by enabling the intelligent drug delivery to target sites by exposing the photosensitizer to light and activating it in the tumor tissue. This study evaluated in vitro photodynamic therapy of methylene blue (MB)-loaded acetyl resistant starch (ARS) nanoparticles (NPs). Methods ARS was synthesized by the reaction between resistant starch (RS) and acetic anhydride. MB-loaded ARS NPs and ARS NPs were prepared by a single emulsion method. Synthesized ARS was measured by NMR. Prepared ARS NPs and MB-loaded ARS NPs were characterized by transmission electron microscopy (TEM), dynamic light scattering (DLS), X-ray diffraction, UV/Vis, and circular dichroism (CD). MB-loaded ARS NPs were treated in mouse colon cancer cells (CT-26) and they were treated under near-infrared (NIR) laser irradiation. Results Synthesis of ARS was confirmed by NMR and the degree of substitutions in the ARS was 7.1. The morphologies of ARS NPs observed by TEM were spherical shapes and the particle sizes of ARS NPs were 173.4 nm with a surface charge of − 17.24 mV. The d-spacing of ARS NPs was smaller than those of RS and the conformational changes of RS occurred by the formation of self-assembled polymeric NPs with induction of CD of the MB by chiral ARS NPs. The phototoxicity of CT-26 cells treated by MB-loaded ARS NPs dramatically decreased in a dose-dependent manner under NIR laser irradiation compared to free MB. Conclusion This study demonstrated the ordered nanosized structures in the ARS NPs and conformational change from random coil structure of RS to alpha-helices one of ARS occurred and CD of the achiral MB was induced. The MB-loaded ARS NPs showed a higher generation of reactive oxygen species (ROS) in the CT-26 cells than free MB with the NIR laser irradiation and resulting in phototoxicity under irradiation. Supplementary Information The online version contains supplementary material available at 10.1186/s40824-022-00273-7.
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Affiliation(s)
- In-Kyu Park
- Department of Biomedical Sciences, BK21 PLUS Center for Creative Biomedical Scientists, Chonman National University Medical School, Gwangju, 61469, South Korea
| | - Do-Bin Ju
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, South Korea
| | - Amal Babu
- Department of Biomedical Sciences, BK21 PLUS Center for Creative Biomedical Scientists, Chonman National University Medical School, Gwangju, 61469, South Korea
| | - Jeong-Cheol Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, South Korea
| | - Young Jin Pyung
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, South Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08824, South Korea. .,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08824, South Korea.
| | - Hyun-Joong Kim
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08824, South Korea. .,Program in Environmental Materials Science, Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul, 08824, South Korea.
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10
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Lee SM, Kim HK, Lee HB, Kwon OD, Lee EB, Bok JD, Cho CS, Choi YJ, Kang SK. Effects of flaxseed supplementation on omega-6 to omega-3 fatty acid ratio, lipid mediator profile, proinflammatory cytokines and stress indices in laying hens. Journal of Applied Animal Research 2021. [DOI: 10.1080/09712119.2021.2000416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Sang-Mok Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Hee Kyum Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
| | - Ho-Bin Lee
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Republic of Korea
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang, Republic of Korea
| | - Oh-Dae Kwon
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Republic of Korea
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang, Republic of Korea
| | - Eun-Bi Lee
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Republic of Korea
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang, Republic of Korea
| | - Jin-Duck Bok
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Republic of Korea
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang, Republic of Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Republic of Korea
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
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11
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Hong L, Lee SM, Kim WS, Choi YJ, Oh SH, Li YL, Choi SH, Chung DH, Jung E, Kang SK, Cho CS. Synbiotics Containing Nanoprebiotics: A Novel Therapeutic Strategy to Restore Gut Dysbiosis. Front Microbiol 2021; 12:715241. [PMID: 34475865 PMCID: PMC8406803 DOI: 10.3389/fmicb.2021.715241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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] [Received: 05/26/2021] [Accepted: 07/21/2021] [Indexed: 11/13/2022] Open
Abstract
A new formulation, nanoprebiotics [e.g., phthalyl pullulan nanoparticles (PPNs)], was demonstrated to enhance the antimicrobial activity of probiotics [e.g., Lactobacillus plantarum (LP)] in vitro through intracellular stimulation better than that by backbone prebiotics, which are commonly used. In this study, we aimed to investigate whether this combination would exert distinct effects as synbiotics in vivo. Synbiotics combinations of LP, pullulan, and PPNs were used as experimental treatments in a dysbiosis-induced murine model, and their restorative effect was assessed using pathogen Escherichia coli K99 challenge. Our results showed that the E. coli infection was suppressed markedly in the experimental group fed with synbiotics containing PPNs. In addition, the decrease in serum endotoxin level after synbiotics treatment suggested the reinforcement of the gut barrier. Comparison of treatment groups, including a normal control group, showed that synbiotics containing PPNs increased microbial diversity, which is a representative parameter of healthy status. Furthermore, distinct from probiotics treatment alone, synbiotics showed additive effects of enrichment of several well-known beneficial bacteria such as Lactobacillus, Bifidobacterium, and other butyrate-producing bacteria including Faecalibacterium. Collectively, our results indicate that synbiotics containing PPNs are effective at restoring gut dysbiosis, suppressing pathogenic infection, and increasing microbial diversity, suggesting that synbiotics with nanoprebiotics have the potential to be a novel strategy for ameliorating gut dysbiosis and infectious diseases.
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Affiliation(s)
- Liang Hong
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China.,Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | - Sang-Mok Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea.,Insilico Co., Ltd., Ansan-Si, South Korea
| | - Whee-Soo Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea.,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Seo-Ho Oh
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | - Yu-Ling Li
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | | | | | | | - Sang-Kee Kang
- Institutes of Green-Bio Science & Technology, Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang, South Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea.,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
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12
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Cho CS, Hwang SK, Gu MJ, Kim CG, Kim SK, Ju DB, Yun CH, Kim HJ. Mucosal Vaccine Delivery Using Mucoadhesive Polymer Particulate Systems. Tissue Eng Regen Med 2021; 18:693-712. [PMID: 34304387 PMCID: PMC8310561 DOI: 10.1007/s13770-021-00373-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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] [Received: 05/23/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 12/23/2022] Open
Abstract
Vaccination has been recently attracted as one of the most successful medical treatments of the prevalence of many infectious diseases. Mucosal vaccination has been interested in many researchers because mucosal immune responses play part in the first line of defense against pathogens. However, mucosal vaccination should find out an efficient antigen delivery system because the antigen should be protected from degradation and clearance, it should be targeted to mucosal sites, and it should stimulate mucosal and systemic immunity. Accordingly, mucoadhesive polymeric particles among the polymeric particles have gained much attention because they can protect the antigen from degradation, prolong the residence time of the antigen at the target site, and control the release of the loaded vaccine, and results in induction of mucosal and systemic immune responses. In this review, we discuss advances in the development of several kinds of mucoadhesive polymeric particles for mucosal vaccine delivery.
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Affiliation(s)
- Chong-Su Cho
- grid.31501.360000 0004 0470 5905Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
| | - Soo-Kyung Hwang
- grid.31501.360000 0004 0470 5905Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea ,grid.31501.360000 0004 0470 5905Lab. of Adhesion & Bio-Composites, Department of Agriculture, Forestry and Bioresources, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
| | - Min-Jeong Gu
- grid.31501.360000 0004 0470 5905Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
| | - Cheol-Gyun Kim
- grid.31501.360000 0004 0470 5905Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
| | - Seo-Kyung Kim
- grid.31501.360000 0004 0470 5905Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
| | - Do-Bin Ju
- grid.31501.360000 0004 0470 5905Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
| | - Cheol-Heui Yun
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea. .,Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang-gun, Gangwon-do 25354, Seoul, Republic of Korea. .,Center for Food and Bioconvergence, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
| | - Hyun-Joong Kim
- Lab. of Adhesion & Bio-Composites, Department of Agriculture, Forestry and Bioresources, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
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13
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Uthaman S, Pillarisetti S, Huh KM, Cho CS, Park IK. Drug-dye-apoptosis inducing micelles for enhancing host immunity against advanced metastatic breast cancer by the combination of low dose chemotherapy and photothermal therapy. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Kim SK, Hwang SK, Kim CG, Kim HJ, Cho CS. Induced Circular Dichroism of Methylene Blue in Self-Assembled Pullulan Nanoparticles. Macromol Res 2021. [DOI: 10.1007/s13233-020-8173-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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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15
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Yoon SY, Kang SK, Lee HB, Oh SH, Kim WS, Li HS, Bok JD, Cho CS, Choi YJ. Enhanced Efficacy of Immunization with a Foot-and-Mouth Disease Multi-Epitope Subunit Vaccine Using Mannan-Decorated Inulin Microparticles. Tissue Eng Regen Med 2020; 17:33-44. [PMID: 32002844 PMCID: PMC6992806 DOI: 10.1007/s13770-019-00228-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/25/2019] [Accepted: 11/01/2019] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Despite the many advantages of recombinant subunit vaccines, they have critical weaknesses that include a low efficacy for promoting cellular and humoral immune responses against antigens because of their poor immunogenicity, and a rapidly cleared properties as a result of proteolytic enzymes in the body. To circumvent these problems, we developed mannan-decorated inulin acetate microparticles (M-IA MPs) that functioned as carriers and adjuvants for immunization with the recombinant foot-and-mouth disease multi-epitope subunit vaccine (M5BT). METHODS The M5BT-loaded M-IA MPs were obtained by a double-emulsion solvent-evaporation method. Their properties including morphology, size and release ability were determined by field emission scanning electron microscope, dynamic light-scattering spectrophotometer and spectrophotometer. To assess the immunization efficacy of the MPs, mice were immunized with MPs and their sera were analyzed by ELISA. RESULTS The M-IA MPs obtained by a double-emulsion solvent-evaporation method were spherical and approximately 2-3 µm, and M5BT was encapsulated in the M-IA MPs. The M5BT-loaded M-IA MPs showed higher antigen-specific IgG, IgG1, IgG2a and anti-FMDV antibodies than the M5BT-loaded IA MPs and the Freund's adjuvant as a control. CONCLUSION The M-IA MPs showed a powerful and multifunctional polymeric system that combined two toll-like receptor agonists compared to the conventional adjuvant.
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Affiliation(s)
- So-Yeon Yoon
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science and Technology, Seoul National University, 1447 Pyeongchang-daero, Daehwa-myeon, Pyeongchang-Gun, Gangwon-do, 25354, Republic of Korea
| | - Ho-Bin Lee
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Seo-Ho Oh
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Whee-Soo Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Hui-Shan Li
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Jin-Duck Bok
- Institute of Green-Bio Science and Technology, Seoul National University, 1447 Pyeongchang-daero, Daehwa-myeon, Pyeongchang-Gun, Gangwon-do, 25354, Republic of Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
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16
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Lim M, Badruddoza AZM, Firdous J, Azad M, Mannan A, Al-Hilal TA, Cho CS, Islam MA. Engineered Nanodelivery Systems to Improve DNA Vaccine Technologies. Pharmaceutics 2020; 12:E30. [PMID: 31906277 PMCID: PMC7022884 DOI: 10.3390/pharmaceutics12010030] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [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] [Received: 10/30/2019] [Revised: 12/16/2019] [Accepted: 12/21/2019] [Indexed: 12/18/2022] Open
Abstract
DNA vaccines offer a flexible and versatile platform to treat innumerable diseases due to the ease of manipulating vaccine targets simply by altering the gene sequences encoded in the plasmid DNA delivered. The DNA vaccines elicit potent humoral and cell-mediated responses and provide a promising method for treating rapidly mutating and evasive diseases such as cancer and human immunodeficiency viruses. Although this vaccine technology has been available for decades, there is no DNA vaccine that has been used in bed-side application to date. The main challenge that hinders the progress of DNA vaccines and limits their clinical application is the delivery hurdles to targeted immune cells, which obstructs the stimulation of robust antigen-specific immune responses in humans. In this updated review, we discuss various nanodelivery systems that improve DNA vaccine technologies to enhance the immunological response against target diseases. We also provide possible perspectives on how we can bring this exciting vaccine technology to bedside applications.
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Affiliation(s)
- Michael Lim
- Nanotechnology Engineering Program, University of Waterloo, Waterloo, ON N2L 3G1, Canada;
| | - Abu Zayed Md Badruddoza
- Department of Chemical and Life Sciences Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Jannatul Firdous
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Mohammad Azad
- Department of Chemical, Biological and Bioengineering, North Carolina A&T State University, Greensboro, NC 27411, USA;
| | - Adnan Mannan
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Sciences, University of Chittagong, Chittagong 4331, Bangladesh;
| | - Taslim Ahmed Al-Hilal
- Department of Pharmaceutical Sciences, University of Texas El Paso, El Paso, TX 79968, USA;
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Technology, Seoul National University, Gwanak-gu, Seoul 08826, Korea
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17
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Xing L, Fan YT, Shen LJ, Yang CX, Liu XY, Ma YN, Qi LY, Cho KH, Cho CS, Jiang HL. pH-sensitive and specific ligand-conjugated chitosan nanogels for efficient drug delivery. Int J Biol Macromol 2019; 141:85-97. [DOI: 10.1016/j.ijbiomac.2019.08.237] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 05/26/2019] [Accepted: 08/28/2019] [Indexed: 01/29/2023]
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18
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Lee KJ, Ko YJ, Kang SK, Kim WS, Cho CS, Choi YJ. Additive anti-inflammation by a combination of conjugated linoleic acid and α-lipoic acid through molecular interaction between both compounds. Food Sci Biotechnol 2019; 29:419-429. [PMID: 32257526 DOI: 10.1007/s10068-019-00677-7] [Citation(s) in RCA: 3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 08/22/2019] [Accepted: 09/04/2019] [Indexed: 02/08/2023] Open
Abstract
Alpha lipoic acid (LA) and conjugated linoleic acid (CLA) have been well-documented on a variety of functional effects in health foods. The main purpose of this study was focused on the additive anti-inflammatory activity of the combination of LA and CLA in vitro. Raw 264.7 cells induced by lipopolysaccharide were treated with LA and CLA individually or in combination at a variety of concentration ranges. Co-treating 25 μM of LA and 25 μM of CLA significantly inhibited pro-inflammatory cytokines compared to the same concentration of single LA- or CLA-treated group. The molecular mechanism of anti-inflammation by a combination of these compounds was attributed to extracellular signal-regulated kinase-1 (ERK1) and peroxisome proliferator-activated receptor gamma (PPARγ). Also, the molecular interaction between both compounds was confirmed by NMR. Our findings suggested that the combination of CLA and LA showed potential additive effect on anti-inflammation through the molecular interaction of both compounds.
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Affiliation(s)
- Ki-June Lee
- 1Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Republic of Korea
| | - Yoon-Joo Ko
- 2National Center for Inter-University Research Facilities, Seoul National University, Seoul, 08826 Republic of Korea
| | - Sang-Kee Kang
- 3Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang, Gangwon-do 25354 Republic of Korea
| | - Whee-Soo Kim
- 1Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Republic of Korea
| | - Chong-Su Cho
- 1Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Republic of Korea
| | - Yun-Jaie Choi
- 1Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Republic of Korea
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19
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Affiliation(s)
- Hoon Hyun
- Department of Biomedical Sciences, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, 61469 Republic of Korea
| | - Chong-Su Cho
- Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
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20
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Affiliation(s)
- Gun-Il Im
- 1Integrative Research Institute for Regenerative Medical Engineering, Dongguk University, 27 Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 10326 Republic of Korea
| | - Chong-Su Cho
- 2Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
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21
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Kim WS, Han GG, Hong L, Kang SK, Shokouhimehr M, Choi YJ, Cho CS. Novel production of natural bacteriocin via internalization of dextran nanoparticles into probiotics. Biomaterials 2019; 218:119360. [PMID: 31336278 DOI: 10.1016/j.biomaterials.2019.119360] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [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: 11/22/2018] [Revised: 06/25/2019] [Accepted: 07/14/2019] [Indexed: 01/28/2023]
Abstract
Recently, probiotics has drawn much attention as an alternative of antibiotics because overuse use of antibiotics has caused widespread bacterial resistance. Given that prebiotics enhance the activity of probiotics, we prepared phthalyl dextran nanoparticles (PDNs) by conjugation of phthalic anhydride with dextran to form a prebiotic and checked its effects on the cellular and antimicrobial properties of the probiotics. First, we found that the internalization of PDNs by probiotics was dependent on temperature, time, and glucose transporters. Internalization of PDNs enhanced the production of antimicrobial peptides by probiotics through self-defense mechanism and resulted in higher antimicrobial activities against Gram-positive and -negative pathogens compared to probiotics themselves. Moreover, pediocin produced by PDN-internalized probiotics was able to suppress pathogenic gut infections and alter the population of gut microbiome in vivo. The enhanced antimicrobial property of Pediococcus acidilactidi internalized with PDNs could decrease the number of pathogens and increase beneficial bacteria species in mice. Furthermore, the composition of gut microbiome was changed, and resulted in preventing reduction of the diversity of the microflora. Our results indicate that PDNs as a new type of prebiotic can regulate probiotic bacterial metabolism, suggesting a new avenue for probiotic modulation and their use in addressing the challenge of bacterial resistance.
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Affiliation(s)
- Whee-Soo Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea.
| | - Geon Goo Han
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea.
| | - Liang Hong
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea.
| | - Sang-Kee Kang
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Gangwon-do 25354, Republic of Korea.
| | - Mohammadreza Shokouhimehr
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Republic of Korea.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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22
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Xing L, Zhou TJ, Fan YT, He YJ, Pang T, Cho KH, Lu JJ, Jiang HL, Cho CS. Efficient Mucosal Immunization by Mucoadhesive and pH-Sensitive Polymeric Vaccine Delivery System. Macromol Res 2019. [DOI: 10.1007/s13233-019-7042-3] [Citation(s) in RCA: 4] [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: 01/14/2023]
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23
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Kye YC, Park SM, Shim BS, Firdous J, Kim G, Kim HW, Ju YJ, Kim CG, Cho CS, Kim DW, Cho JH, Song MK, Han SH, Yun CH. Intranasal immunization with pneumococcal surface protein A in the presence of nanoparticle forming polysorbitol transporter adjuvant induces protective immunity against the Streptococcus pneumoniae infection. Acta Biomater 2019; 90:362-372. [PMID: 30922953 DOI: 10.1016/j.actbio.2019.03.049] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/06/2019] [Accepted: 03/24/2019] [Indexed: 02/03/2023]
Abstract
Developing effective mucosal subunit vaccine for the Streptococcus pneumoniae has been unsuccessful mainly because of their poor immunogenicity with insufficient memory T and B cell responses. We thus address whether such limitation can be overcome by introducing effective adjuvants that can enhance immunity and show here that polysorbitol transporter (PST) serves as a mucosal adjuvant for a subunit vaccine against the Streptococcus pneumoniae. Pneumococcal surface protein A (PspA) with PST adjuvant induced protective immunity against S. pneumoniae challenge, especially long-term T and B cell immune responses. Moreover, we found that the PST preferentially induced T helper (Th) responses toward Th2 or T follicular helper (Tfh) cells and, importantly, that the responses were mediated through antigen-presenting cells via activating a peroxisome proliferator-activated receptor gamma (PPAR-γ) pathway. Thus, these data indicate that PST can be used as an effective and safe mucosal vaccine adjuvant against S. pneumoniae infection. STATE OF SIGNIFICANCE: In this study, we suggested the nanoparticle forming adjuvant, PST works as an effective adjuvant for the pneumococcal vaccine, PspA. The PspA subunit vaccine together with PST adjuvant efficiently induced protective immunity, even in the long-term memory responses, against Streptococcus pneumoniae lethal challenge. We found that PspA with PST adjuvant induced dendritic cell activation followed by follicular helper T cell responses through PPAR-γ pathway resulting long-term memory antibody-producing cells. Consequently, in this paper, we suggest the mechanism for safe nanoparticle forming subunit vaccine adjuvant against pneumococcal infection.
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Kim WS, Cho CS, Hong L, Han GG, Kil BJ, Kang SK, Kim DD, Choi YJ, Huh CS. Oral Delivery of Probiotics Using pH-Sensitive Phthalyl Inulin Tablets. J Microbiol Biotechnol 2019; 29:200-208. [PMID: 30691251 DOI: 10.4014/jmb.1811.11021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Probiotics show low cell viability after oral administration because they have difficulty surviving in the stomach due to low pH and enzymes. For the oral delivery of probiotics, developing a formula that protects the probiotic bacteria from gastric acidity while providing living cells is mandatory. In this study, we developed tablets using a new pH-sensitive phthalyl inulin (PI) to protect probiotics from gastric conditions and investigated the effects of different compression forces on cell survival. We made three different tablets under different compression forces and measured survivability, disintegration time, and kinetics in simulated gastric-intestinal fluid. During tableting, there were no significant differences in probiotic viability among the different compression forces although disintegration time was affected by the compression force. A higher compression force resulted in higher viability in simulated gastric fluid. The swelling degree of the PI tablets in simulated intestinal fluid was higher than that of the tablets in simulated gastric fluid due to the pH sensitivity of the PI. The probiotic viability formulated in the tablets was also higher in acidic gastric conditions than that for probiotics in solution. Rapid release of the probiotics from the tablet occurred in the simulated intestinal fluid due to the pH sensitivity. After 6 months of refrigeration, the viability of the PI probiotics was kept. Overall, this is the first study to show the pH-sensitive properties of PI and one that may be useful for oral delivery of the probiotics.
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Affiliation(s)
- Whee-Soo Kim
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Liang Hong
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Geon Goo Han
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Bum Ju Kil
- WCU Biomodulation major and Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Republic of Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang-gun 25354, Republic of Korea
| | - Dae-Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Chul-Sung Huh
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang-gun 25354, Republic of Korea.,Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
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25
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Soh SH, Shim S, Im YB, Park HT, Cho CS, Yoo HS. Induction of Th2-related immune responses and production of systemic IgA in mice intranasally immunized with Brucella abortus malate dehydrogenase loaded chitosan nanoparticles. Vaccine 2019; 37:1554-1564. [PMID: 30792035 DOI: 10.1016/j.vaccine.2019.02.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 11/15/2018] [Revised: 02/02/2019] [Accepted: 02/07/2019] [Indexed: 12/28/2022]
Abstract
The aim of this study was to investigate the induction of mucosal immune responses by an important Brucella abortus antigen, malate dehydrogenase (Mdh), loaded in mucoadhesive chitosan nanoparticles (CNs) and immunized intranasally in a BALB/c mouse model. The production of cytokines was investigated in human leukemic monocyte cells (THP-1 cells) after stimulation with the nanoparticles. Mdh-loaded CNs (CNs-Mdh) induced higher interleukin (IL)-6 production than unloaded antigens and TF loaded CNs (CNs-TF). Using ELISpot to quantify cytokines and antibody-secreting cells in the intranasally immunized mice, IL-4 and IgG-secreting cells were found to be significantly increased at 4 weeks and 6 weeks post-immunization in the CNs-Mdh immunized group, respectively. Increases in Mdh-specific IgG, IgG1, and IgG2a antibodies were confirmed at 6 weeks after immunization, indicating a predominant IgG1 response. Analysis of the mucosal immune response in the intranasally immunized mice revealed, Mdh-specific IgA and total IgA in the nasal washes, genital secretions, fecal extracts and sera that were remarkably increased in the CNs-Mdh-immunized group compared to the CNs-TF-immunized group except total IgA of nasal wash. Therefore, the results indicated that the intranasal immunization of CNs-loaded B. abortus Mdh antigen effectively induced antigen-specific mucosal immune responses through the elicitation of Th2-related immune responses.
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Affiliation(s)
- Sang Hee Soh
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
| | - Soojin Shim
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
| | - Young Bin Im
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
| | - Hong-Tae Park
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology & Research Institute for Agriculture & Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - Han Sang Yoo
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.
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Hong L, Kim WS, Lee SM, Kang SK, Choi YJ, Cho CS. Pullulan Nanoparticles as Prebiotics Enhance the Antibacterial Properties of Lactobacillus plantarum Through the Induction of Mild Stress in Probiotics. Front Microbiol 2019; 10:142. [PMID: 30787918 PMCID: PMC6372531 DOI: 10.3389/fmicb.2019.00142] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [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] [Received: 08/02/2018] [Accepted: 01/21/2019] [Indexed: 01/06/2023] Open
Abstract
Synbiotics, which are the combination of probiotics and prebiotics, have recently attracted attention because of their synergistic net health benefits. Probiotics have been used as alternatives to antibiotics. Among the probiotics, Lactobacillus plantarum (LP) has shown strong antimicrobial activity against Escherichia coli K99, a major livestock pathogen. In this study, we aimed to investigate the antimicrobial activity of phthalyl pullulan nanoparticle (PPN)-treated LP. Interestingly, when PPNs were added to LP, the PPNs were internalized into the LP through an energy-dependent and galactose transporter-dependent mechanism. Additionally, more plantaricin, a natural antibacterial peptide, was secreted from PPN-treated LP than from untreated or pullulan-treated LP. Furthermore, antimicrobial activity against Gram-negative Escherichia coli K99 and Gram-positive Listeria monocytogenes by PPN-treated LP was higher than those of untreated or pullulan-treated LP. It is thought that the enhanced antimicrobial properties of the PPN-treated LP are due to intracellular stimulation. Overall, this research provides a new method of producing plantaricin in LP through intracellular stimulation by internalized PPNs.
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Affiliation(s)
- Liang Hong
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | - Whee-Soo Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | - Sang-Mok Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea
| | - Sang-Kee Kang
- Institutes of Green-bio Science & Technology, Seoul National University, Pyeongchang, South Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea.,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, South Korea.,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
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Singh B, Maharjan S, Sindurakar P, Cho KH, Choi YJ, Cho CS. Needle-Free Immunization with Chitosan-Based Systems. Int J Mol Sci 2018; 19:E3639. [PMID: 30463211 PMCID: PMC6274840 DOI: 10.3390/ijms19113639] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [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] [Received: 10/22/2018] [Revised: 11/10/2018] [Accepted: 11/12/2018] [Indexed: 02/02/2023] Open
Abstract
Despite successful use, needle-based immunizations have several issues such as the risk of injuries and infections from the reuse of needles and syringes and the low patient compliance due to pain and fear of needles during immunization. In contrast, needle-free immunizations have several advantages including ease of administration, high level of patient compliance and the possibility of mass vaccination. Thus, there is an increasing interest on developing effective needle-free immunizations via cutaneous and mucosal approaches. Here, we discuss several methods of needle-free immunizations and provide insights into promising use of chitosan systems for successful immunization.
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Affiliation(s)
- Bijay Singh
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.
- Research Institute for Bioscience and Biotechnology, Kathmandu 44600, Nepal.
| | - Sushila Maharjan
- Research Institute for Bioscience and Biotechnology, Kathmandu 44600, Nepal.
- Division of Engineering in Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA.
| | - Princy Sindurakar
- Department of Biology, College of the Holy Cross, Worcester, MA 01610, USA.
| | - Ki-Hyun Cho
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH 44195, USA.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
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28
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Cho KH, Uthaman S, Park IK, Cho CS. Injectable Biomaterials in Plastic and Reconstructive Surgery: A Review of the Current Status. Tissue Eng Regen Med 2018; 15:559-574. [PMID: 30603579 PMCID: PMC6171701 DOI: 10.1007/s13770-018-0158-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 08/03/2018] [Accepted: 08/21/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Injectable biomaterials have attracted increasing attention for volume restoration and tissue regeneration. The main aim of this review is to discuss the current status of the injectable biomaterials for correction of tissue defects in plastic and reconstructive surgery. METHODS Requirements of injectable biomaterials, mechanism of in situ gelation, characteristics, and the combinational usage of adipose-derived stem cells (ADSCs) and growth factors were reviewed. RESULTS The ideal injectable biomaterials should be biocompatible, non-toxic, easy to use, and cost-effective. Additionally, it should possess adequate mechanical properties and stability. In situ gelation method includes physical, chemical, enzymatic and photo-initiated methods. Natural and synthetic biomaterials carry their pros and cons due to their inherent properties. The combined use of ADSCs and growth factors provides enhanced potential for adipose tissue regeneration. CONCLUSIONS The usage of injectable biomaterials has been increasing for the tissue restoration and regeneration. The future of incorporating ADSCs and growth factors into the injectable biomaterials is promising.
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Affiliation(s)
- Ki-Hyun Cho
- Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH 44195 USA
| | - Saji Uthaman
- Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134 Republic of Korea
| | - In-Kyu Park
- Department of Biomedical Sciences, Chonnam National University Medical School, 160 Baekseo-ro, Gwangju, 61469 Republic of Korea
| | - Chong-Su Cho
- Research Institute for Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Republic of Korea
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29
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Affiliation(s)
- Byung-Soo Kim
- 1School of Chemical and Biological Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
| | - Chong-Su Cho
- 2Research Institute for Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
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30
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Choi JY, Cho CS, Han YK. Application of thermoreversible hydrogel (poloxamer 407) to protect the corneal endothelium during phacoemulsification in porcine and rabbit eyes. J Cataract Refract Surg 2018; 44:1254-1260. [PMID: 30139637 DOI: 10.1016/j.jcrs.2018.04.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 04/06/2018] [Accepted: 04/20/2018] [Indexed: 11/17/2022]
Abstract
PURPOSE To evaluate the effectiveness of thermoreversible (poloxamer) hydrogels as a substitute for ophthalmic viscosurgical devices (OVDs) during phacoemulsification in porcine and rabbit eyes and compare their endothelial protective effect with that of hyaluronic acid-based OVDs. SETTING Department of Ophthalmology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, South Korea. DESIGN Experimental study. METHODS Fluorescein-stained poloxamer hydrogels (20%, 22%, 24%, and 26% [weight/weight%]) and cohesive (sodium hyaluronate 1.0% [Provisc]) and dispersive (sodium hyaluronate 3.0%-chondroitin sulfate 4.0% [Viscoat]) OVDs were injected into the anterior chamber of porcine eyes incubated at 32°C. In the in vitro study, the retention time was measured in 3 groups of 45 porcine eyes during continuous phacoemulsification. In the in vivo study, the endothelial cell count (ECC) was measured before and 3 days after intermittent phacoemulsification in 12 rabbit eyes randomized to a poloxamer hydrogel or a dispersive OVD group. RESULTS The optimum concentration of thermosensitive hydrogel was 26%, at which no gel-to-sol phase transition occurred in the anterior chamber, with a 21°C irrigation solution. In the in vitro study, the mean retention times were 5.53 seconds ± 1.77 (SD), 125.00 ± 29.34 seconds, and 221.53 ± 42.48 seconds in the cohesive OVD, dispersive OVD, and 26% poloxamer hydrogel groups, respectively (P < .001). Throughout the 5-minute intermittent phacoemulsification, the 26% poloxamer hydrogel remained in the anterior chamber as a semisolid gel. In the in vivo study, the mean decrease in ECC was significantly lower in the 26% poloxamer hydrogel group than in the dispersive OVD group (P = .029). CONCLUSION Thermoreversible hydrogels might be suitable substitutes for hyaluronic acid-based OVDs for corneal endothelial protection during phacoemulsification.
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Affiliation(s)
- Jung Yeol Choi
- From the Department of Ophthalmology (Choi), Jeju National University School of Medicine, Jeju, the Research Institute for Agriculture and Life Science (Cho), Seoul National University, the Department of Ophthalmology (Han), Seoul Metropolitan Government-Seoul National University Boramae Medical Center, and the Department of Ophthalmology (Han), Seoul National University College of Medicine, Seoul, South Korea
| | - Chong-Su Cho
- From the Department of Ophthalmology (Choi), Jeju National University School of Medicine, Jeju, the Research Institute for Agriculture and Life Science (Cho), Seoul National University, the Department of Ophthalmology (Han), Seoul Metropolitan Government-Seoul National University Boramae Medical Center, and the Department of Ophthalmology (Han), Seoul National University College of Medicine, Seoul, South Korea
| | - Young Keun Han
- From the Department of Ophthalmology (Choi), Jeju National University School of Medicine, Jeju, the Research Institute for Agriculture and Life Science (Cho), Seoul National University, the Department of Ophthalmology (Han), Seoul Metropolitan Government-Seoul National University Boramae Medical Center, and the Department of Ophthalmology (Han), Seoul National University College of Medicine, Seoul, South Korea.
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31
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Ahn J, Cho CS, Cho SW, Kang JH, Kim SY, Min DH, Song JM, Park TE, Jeon NL. Investigation on vascular cytotoxicity and extravascular transport of cationic polymer nanoparticles using perfusable 3D microvessel model. Acta Biomater 2018; 76:154-163. [PMID: 29807185 DOI: 10.1016/j.actbio.2018.05.041] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 01/19/2018] [Revised: 05/16/2018] [Accepted: 05/24/2018] [Indexed: 12/12/2022]
Abstract
Vascular networks are the first sites exposed to cationic polymer nanoparticles (NPs) administered intravenously, and thus function as a barrier for NPs reaching the target organ. While cationic polymer NPs have been intensively studied as non-viral delivery systems, their biological effects in human microvessels have been poorly investigated due to a lack of appropriate in vitro systems. Here, we employed a three-dimensional microvessel on a chip, which accurately models in vivo conditions. An open and perfused microvessel surrounded by pericytes was shown to reproduce the important features of living vasculature, including barrier function and biomarkers. Using this microvessel chip, we observed contraction of the microvascular lumen induced by perfused polyethylenimine (PEI)/DNA NPs. We demonstrated that the oxidative stress present when microvessels were exposed to PEI NPs led to rearrangement of microtubules resulting in microvessel contraction. Furthermore, the transcytotic behavior of PEI NPs was analyzed in the microvessel by monitoring the escape of PEI NPs from the microvascular lumen into the perivascular region, which was not possible in two-dimensional culture systems. With our new understanding of the different behaviors of cationic polymer NPs depending on their transcytotic route, we suggest that caveolae-mediated transcytosis is a powerful route for efficient extravascular transport. STATEMENT OF SIGNIFICANCE Microvascular networks are not only biological system constituting largest surface area in the body and but also first site exposed to nanoparticle in vivo. While cationic polymer NPs have been intensively studied as non-viral delivery systems, its biological effects in human microvessel have been poorly investigated due to lack of appropriate in vitro systems. Here, we microengineered an open and perfused 3D pericyte incorporated microvessel model which possesses same morphological characteristic of in vivo. Using the microengineered model, this study represents the first report of transcytotic behavior of NPs in 3D microvessel, and its effect on extravasation efficiency. Our study lays the groundwork for the integration of innovative technologies to examine blood vessel-nanoparticle interaction, which a critical but ill-defined phenomenon.
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Affiliation(s)
- Jungho Ahn
- School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 08826, South Korea; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, North Ave NW, Atlanta, GA 30332, USA
| | - Chong-Su Cho
- Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, South Korea
| | - Seong Woo Cho
- Ulsan National Institute of Science and Technology, Ulsan 44914, South Korea
| | - Joo H Kang
- Ulsan National Institute of Science and Technology, Ulsan 44914, South Korea
| | - Sung-Yon Kim
- Department of Biophysics and Chemical Biology, Seoul National University, Seoul, South Korea
| | - Dal-Hee Min
- Department of Chemistry, Seoul National University, Seoul, South Korea
| | - Joon Myong Song
- College of Pharmacy, Seoul National University, Seoul 08826, South Korea
| | - Tae-Eun Park
- Ulsan National Institute of Science and Technology, Ulsan 44914, South Korea.
| | - Noo Li Jeon
- School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 08826, South Korea.
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Affiliation(s)
- Hu-Lin Jiang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Lei Xing
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Cheng-Qiong Luo
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Tian-Jiao Zhou
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China
| | - Hui-Shan Li
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea
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Cui LH, Yan CG, Li HS, Kim WS, Hong L, Kang SK, Choi YJ, Cho CS. A New Method of Producing a Natural Antibacterial Peptide by Encapsulated Probiotics Internalized with Inulin Nanoparticles as Prebiotics. J Microbiol Biotechnol 2018; 28:510-519. [DOI: 10.4014/jmb.1712.12008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Rajendrakumar SK, Uthaman S, Cho CS, Park IK. Nanoparticle-Based Phototriggered Cancer Immunotherapy and Its Domino Effect in the Tumor Microenvironment. Biomacromolecules 2018; 19:1869-1887. [DOI: 10.1021/acs.biomac.8b00460] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Santhosh Kalash Rajendrakumar
- Department of Biomedical Science and BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju 61469, South Korea
| | - Saji Uthaman
- Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, South Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, South Korea
| | - In-Kyu Park
- Department of Biomedical Science and BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju 61469, South Korea
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35
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Kim WS, Lee JY, Singh B, Maharjan S, Hong L, Lee SM, Cui LH, Lee KJ, Kim G, Yun CH, Kang SK, Choi YJ, Cho CS. A new way of producing pediocin in Pediococcus acidilactici through intracellular stimulation by internalized inulin nanoparticles. Sci Rep 2018; 8:5878. [PMID: 29650991 PMCID: PMC5897564 DOI: 10.1038/s41598-018-24227-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 02/15/2018] [Indexed: 11/09/2022] Open
Abstract
One of the most challenging aspects of probiotics as a replacement for antibiotics is to enhance their antimicrobial activity against pathogens. Given that prebiotics stimulate the growth and/or activity of probiotics, we developed phthalyl inulin nanoparticles (PINs) as prebiotics and observed their effects on the cellular and antimicrobial activities of Pediococcus acidilactici (PA). First, we assessed the internalization of PINs into PA. The internalization of PINs was largely regulated by glucose transporters in PA, and the process was energy-dependent. Once internalized, PINs induced PA to produce substantial amounts of antimicrobial peptide (pediocin), which is effective against both Gram-positive (Salmonella Gallinarum) and Gram-negative (Listeria monocytogenes) pathogens. When treated with small-sized PINs, PA witnessed a nine-fold increase in antimicrobial activity. The rise in pediocin activity in PA treated with PINs was accompanied by enhanced expression of stress response genes (groEL, groES, dnaK) and pediocin biosynthesis genes (pedA, pedD). Although the mechanism is not clear, it appears that the internalization of PINs by PA causes mild stress to activate the PA defense system, leading to increased production of pediocin. Overall, we identified a prebiotic in nanoparticle form for intracellular stimulation of probiotics, demonstrating a new avenue for the biological production of antimicrobial peptides.
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Affiliation(s)
- Whee-Soo Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jun-Yeong Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Bijay Singh
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.,Research Institute for Bioscience and Biotechnology, Kathmandu, 44600, Nepal
| | - Sushila Maharjan
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.,Research Institute for Bioscience and Biotechnology, Kathmandu, 44600, Nepal
| | - Liang Hong
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sang-Mok Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Lian-Hua Cui
- Co-Innovation Center of Beef Cattle Science and Industry Technology, Yanbian University, Yanji, Jilin, 133002, P. R. China
| | - Ki-June Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea
| | - GiRak Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea
| | - Cheol-Heui Yun
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea.,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang, Gangwon-do, 25354, Republic of Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea. .,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea. .,Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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Singh B, Maharjan S, Cho KH, Cui L, Park IK, Choi YJ, Cho CS. Chitosan-based particulate systems for the delivery of mucosal vaccines against infectious diseases. Int J Biol Macromol 2018; 110:54-64. [DOI: 10.1016/j.ijbiomac.2017.10.101] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 09/23/2017] [Accepted: 10/11/2017] [Indexed: 12/22/2022]
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Lee HB, Yoon SY, Singh B, Oh SH, Cui L, Yan C, Kang SK, Choi YJ, Cho CS. Oral Immunization of FMDV Vaccine Using pH-Sensitive and Mucoadhesive Thiolated Cellulose Acetate Phthalate Microparticles. Tissue Eng Regen Med 2018; 15:1-11. [PMID: 30603530 PMCID: PMC6171641 DOI: 10.1007/s13770-017-0082-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 08/28/2017] [Accepted: 09/04/2017] [Indexed: 12/01/2022] Open
Abstract
Several barriers such as gastric pH, enzymatic degradation and rapid transit should be overcome to orally deliver antigens for taking up by epithelial microfold cells in Peyer's patches of small intestine. To solve the above mentioned problems, we designed pH-sensitive and mucoadhesive polymeric microparticles (MPs) prepared by double emulsion technique using cellulose acetate phthalate (CAP) to enhance immune response of foot-and-mouth disease (FMD) virus (FMDV) subunit vaccine. Thiolation of CAP improved mucoadhesive property of CAP to prolong the MPs transit time through the gastrointestinal tract. Thiolated CAP (T-CAP) also slowed down antigen release in acidic pH of stomach but released more antigens in neutral pH of small intestine due to the pH-sensitivity of the T-CAP. Oral immunization of a chimerical multi-epitope recombinant protein as the FMD subunit vaccine via T-CAP MPs effectively delivered the vaccine to Peyer's patches eliciting mucosal IgA response. It will make a step forward into a promising oral subunit vaccine development in livestock industry.
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Affiliation(s)
- Ho-Bin Lee
- Department of Agricultural Biotechnology, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
| | - So-Yeon Yoon
- Department of Agricultural Biotechnology, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
| | - Bijay Singh
- Research Institute for Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
- Research Institute for Bioscience and Biotechnology, Kathmandu, 44600 Nepal
| | - Seo-Ho Oh
- Department of Agricultural Biotechnology, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
| | - Lianhua Cui
- Department of Animal Science, Yanbian University, Yanji, 133002 Jilin China
- Co-Innovation Center of Beef Cattle Science and Industry Technology, Yanbian University, Yanji, 133002 Jilin China
| | - Changguo Yan
- Department of Animal Science, Yanbian University, Yanji, 133002 Jilin China
- Co-Innovation Center of Beef Cattle Science and Industry Technology, Yanbian University, Yanji, 133002 Jilin China
| | - Sang-Kee Kang
- Institute of Green-Bio Science and Technology, Seoul National University, 1447-1 Pyeongchang-Daero, Daehwa-Myeon, Pyengchang-Gun, Gangwon-Do 25354 Republic of Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
- Research Institute for Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
- Research Institute for Agriculture and Life Science, Seoul National University, 1 Gwanak-ro, Gwanak-gu Seoul, 08826 Republic of Korea
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Xing L, Fan YT, Zhou TJ, Gong JH, Cui LH, Cho KH, Choi YJ, Jiang HL, Cho CS. Chemical Modification of Chitosan for Efficient Vaccine Delivery. Molecules 2018; 23:E229. [PMID: 29370100 PMCID: PMC6017229 DOI: 10.3390/molecules23020229] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [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] [Received: 11/22/2017] [Revised: 01/01/2018] [Accepted: 01/11/2018] [Indexed: 11/17/2022] Open
Abstract
Chitosan, which exhibits good biocompatibility, safety, microbial degradation and other excellent performances, has found application in all walks of life. In the field of medicine, usage of chitosan for the delivery of vaccine is favored by a wide range of researchers. However, due to its own natural limitations, its application has been constrained to the beginning of study. In order to improve the applicability for vaccine delivery, researchers have carried out various chemical modifications of chitosan. This review summarizes a variety of modification methods and applications of chitosan and its derivatives in the field of vaccine delivery.
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Affiliation(s)
- Lei Xing
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, China Pharmaceutical University, Nanjing 210009, China.
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China.
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing 210009, China.
| | - Ya-Tong Fan
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.
| | - Tian-Jiao Zhou
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.
| | - Jia-Hui Gong
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.
| | - Lian-Hua Cui
- Department of Animal Science, College of Agriculture Science, Yanbian University, Yanji, Jilin 133002, China.
| | - Ki-Hyun Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
| | - Hu-Lin Jiang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University, Nanjing 210009, China.
- Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, China Pharmaceutical University, Nanjing 210009, China.
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, China.
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, China Pharmaceutical University, Nanjing 210009, China.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
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Mathew AP, Uthaman S, Cho KH, Cho CS, Park IK. Injectable hydrogels for delivering biotherapeutic molecules. Int J Biol Macromol 2017; 110:17-29. [PMID: 29169942 DOI: 10.1016/j.ijbiomac.2017.11.113] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [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: 09/06/2017] [Revised: 10/24/2017] [Accepted: 11/17/2017] [Indexed: 12/19/2022]
Abstract
To date, numerous delivery systems based on either organic or inorganic material have been developed to achieve efficient and sustained delivery of therapeutics. Hydrogels, which are three dimensional networks of crosslinked hydrophilic polymers, have a significant role in solving the clinical and pharmacological limitations of present systems because of their biocompatibility, ease of preparation and unique physical properties such as a tunable porous nature and affinity for biological fluids. Development of an in situ forming injectable hydrogel system has allowed excellent spatial and temporal control, unlike systemically administered therapeutics. Injectable hydrogel systems can offset difficulties with conventional hydrogel-based drug delivery systems in the clinic by forming a drug/gene delivery or cell-growing depot in the body with a single injection, thereby enabling patient compliance and comfort. Carbohydrate polymers are widely used for the synthesis of injectable in situ-forming hydrogels because of ready availability, presence of modifiable functional groups, biocompatibility and other physiochemical properties. In this review, we discuss different aspects of injectable hydrogels, such as bulk hydrogels/macrogels, microgels, and nanogels derived from natural polymers, and their importance in the delivery of therapeutics such as genes, drugs, cells or other biomolecules and how these revolutionary systems can complement existing therapeutic delivery systems.
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Affiliation(s)
- Ansuja Pulickal Mathew
- Department of Biomedical Sciences, BK 21 PLUS Center for Creative Biomedical Scientists at Chonnam National University, Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
| | - Saji Uthaman
- Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Ki-Hyun Cho
- Department of Plastic Surgery, Institute of Dermatology and Plastic Surgery, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - In-Kyu Park
- Department of Biomedical Sciences, BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University, Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 61469, Republic of Korea.
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Jiang T, Li HS, Han GG, Singh B, Kang SK, Bok JD, Kim DD, Hong ZS, Choi YJ, Cho CS. Oral Delivery of Probiotics in Poultry Using pH-Sensitive Tablets. J Microbiol Biotechnol 2017; 27:739-746. [PMID: 28081355 DOI: 10.4014/jmb.1606.06071] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
As alternatives to antibiotics in livestocks, probiotics have been used, although most of them in the form of liquid or semisolid formulations, which show low cell viability after oral administration. Therefore, suitable dry dosage forms should be developed for livestocks to protect probiotics against the low pH in the stomach such that the products have higher probiotics survivability. Here, in order to develop a dry dosage forms of probiotics for poultry, we used hydroxypropyl methylcellulose phthalate 55 (HPMCP 55) as a tablet-forming matrix to develop probiotics in a tablet form for poultry. Here, we made three different kinds of probiotics-loaded tablet under different compression forces and investigated their characteristics based on their survivability, morphology, disintegration time, and kinetics in simulated gastrointestinal fluid. The results indicated that the probiotics formulated in the tablets displayed higher survival rates in acidic gastric conditions than probiotics in solution. Rapid release of the probiotics from the tablets occurred in simulated intestinal fluid because of fast swelling of the tablets in neutral pH. As a matrix of tablet, HPMCP 55 provided good viability of probiotics after 6 months under refrigeration. Moreover, after oral administration of probiotics-loaded tablets to chicken, more viable probiotics were observed, than with solution type, through several digestive areas of chicken by the tablets.
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Affiliation(s)
- Tao Jiang
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.,Laboratory of Translational Medicine, Chinese PLA General Hospital, Beijing 100853, P.R. China
| | - Hui-Shan Li
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Geon Goo Han
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Bijay Singh
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Jin-Duck Bok
- Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Dae-Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Zhong-Shan Hong
- Department of Animal Science, Tianjin Agricultural University, Tianjin 300-384, P.R. China
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.,Department of Animal Science, Tianjin Agricultural University, Tianjin 300-384, P.R. China
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
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Cho KH, Singh B, Maharjan S, Jang Y, Choi YJ, Cho CS. Local Delivery of CTGF siRNA with Poly(sorbitol-co-PEI) Reduces Scar Contraction in Cutaneous Wound Healing. Tissue Eng Regen Med 2017; 14:211-220. [PMID: 30603478 PMCID: PMC6171600 DOI: 10.1007/s13770-017-0059-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/18/2017] [Accepted: 04/24/2017] [Indexed: 10/19/2022] Open
Abstract
Healing process in scarring inevitably produces a considerable amount of non-organized dense collagen-rich matrix called scar thus impairing the native structure of skin. Connective tissue growth factor (CTGF) overexpression within healing tissues is known to play an imperative role in collagen production stimulated by transforming growth factor-beta in cutaneous wound healing. Undoubtedly, the knockdown of CTGF expression through siRNA-mediated gene silencing could simply impede the scarring process. However, the less stability and low transfection of siRNAs themselves urge a safe carrier to protect and transfect them into cells at a high rate avoiding toxicities. Here, we developed a degradable poly(sorbitol-co-PEI) (PSPEI), prepared by polymerization of sorbitol diacrylate with low molecular weight polyethylenimine, which has high transfection efficiency but low cytotoxicity, and utilized it in siCTGF delivery to silence the expression of CTGF in an animal model of cutaneous wound healing. Unlike contracted scar in normal healing, there was no or less contraction in the healed skin of mice treated with siCTGF using PSPEI. Histologically, the healed tissues also had distinct papillary structures and dense irregular connective tissues that were lacking in the control scar tissues. This study exemplifies a successful treatment of cutaneous wound healing using a polymer system coupled with RNA interference. Hence, the approach holds a great promise for developing new treatments with novel targets in regenerative medicines.
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Affiliation(s)
- Ki-Hyun Cho
- Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Korea
| | - Bijay Singh
- Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Korea
- Research Institute for Bioscience and Biotechnology, Kathmandu, 44600 Nepal
| | - Sushila Maharjan
- Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Korea
- Research Institute for Bioscience and Biotechnology, Kathmandu, 44600 Nepal
| | - Yoonjeong Jang
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, 08826 Korea
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, 08826 Korea
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Mathew AP, Cho KH, Uthaman S, Cho CS, Park IK. Stimuli-Regulated Smart Polymeric Systems for Gene Therapy. Polymers (Basel) 2017; 9:E152. [PMID: 30970831 PMCID: PMC6432211 DOI: 10.3390/polym9040152] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [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] [Received: 04/05/2017] [Revised: 04/19/2017] [Accepted: 04/20/2017] [Indexed: 01/02/2023] Open
Abstract
The physiological condition of the human body is a composite of different environments, each with its own parameters that may differ under normal, as well as diseased conditions. These environmental conditions include factors, such as pH, temperature and enzymes that are specific to a type of cell, tissue or organ or a pathological state, such as inflammation, cancer or infection. These conditions can act as specific triggers or stimuli for the efficient release of therapeutics at their destination by overcoming many physiological and biological barriers. The efficacy of conventional treatment modalities can be enhanced, side effects decreased and patient compliance improved by using stimuli-responsive material that respond to these triggers at the target site. These stimuli or triggers can be physical, chemical or biological and can be internal or external in nature. Many smart/intelligent stimuli-responsive therapeutic gene carriers have been developed that can respond to either internal stimuli, which may be normally present, overexpressed or present in decreased levels, owing to a disease, or to stimuli that are applied externally, such as magnetic fields. This review focuses on the effects of various internal stimuli, such as temperature, pH, redox potential, enzymes, osmotic activity and other biomolecules that are present in the body, on modulating gene expression by using stimuli-regulated smart polymeric carriers.
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Affiliation(s)
- Ansuja Pulickal Mathew
- Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
| | - Ki-Hyun Cho
- Department of Plastic Surgery, Institute of Dermatology and Plastic Surgery, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA.
| | - Saji Uthaman
- Department of Biomedical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
| | - In-Kyu Park
- Department of Biomedical Sciences, BK21 PLUS Center for Creative Biomedical Scientists at Chonnam National University, Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 61469, Korea.
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Gankhuyag N, Yu KN, Davaadamdin O, Lee S, Cho WY, Park C, Jiang HL, Singh B, Chae CH, Cho MH, Cho CS. Suppression of Tobacco Carcinogen-Induced Lung Tumorigenesis by Aerosol-Delivered Glycerol Propoxylate Triacrylate-Spermine Copolymer/Short Hairpin Rab25 RNA Complexes in Female A/J Mice. J Aerosol Med Pulm Drug Deliv 2017; 30:81-90. [PMID: 27792477 DOI: 10.1089/jamp.2016.1301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [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] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Rab25, a member of Rab family of small guanosine triphosphatase, is associated with progression of various types of human cancers, including lung cancer, the leading cause of cancer-associated deaths around the globe. METHODS In this study, we report the gene therapeutic effect of short hairpin Rab25 RNA (shRab25) on 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced lung tumorigenesis in female A/J mice. Initially, mice (6 weeks old) were injected with single dose of NNK (2 mg/0.1 mL saline/mouse) by intraperitoneal injection to induce the tumor. Eight weeks later, shRab25 was complexed with glycerol propoxylate triacrylate-spermine (GPT-SPE) copolymer and delivered into tobacco-induced lung cancer models through a nose-only inhalation system twice a week for 2 months. RESULTS GPT-SPE/shRab25 largely decreased the tobacco-induced tumor numbers and tumor volume in the lungs compared to GPT-SPE- or GPT-SPE/shScr-delivered groups. Remarkably, aerosol-delivered GPT-SPE/shRab25 significantly decreased the expression level of Rab25 and other prominent apoptosis-related proteins in female A/J mice. The apoptosis in these mice was determined by detecting the expression level of Bcl-2, proliferating cell nuclear antigen, Bax, and further confirmed by TUNEL assay. CONCLUSIONS Our results strongly confirm the tumorigenic role of Rab25 in tobacco carcinogen-induced lung cancer and hence demonstrate aerosol delivery of shRab25 as a therapeutic target for lung cancer treatment.
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Affiliation(s)
- Nomundelger Gankhuyag
- 1 Laboratory of Toxicology, BK21 PLUS Program for Creative Veterinary Science Research and The Research Institute of Veterinary Science, College of Veterinary Medicine, Seoul National University , Seoul 151-742, Republic of Korea
| | - Kyeong Nam Yu
- 1 Laboratory of Toxicology, BK21 PLUS Program for Creative Veterinary Science Research and The Research Institute of Veterinary Science, College of Veterinary Medicine, Seoul National University , Seoul 151-742, Republic of Korea
| | - Orkhonselenge Davaadamdin
- 1 Laboratory of Toxicology, BK21 PLUS Program for Creative Veterinary Science Research and The Research Institute of Veterinary Science, College of Veterinary Medicine, Seoul National University , Seoul 151-742, Republic of Korea
| | - Somin Lee
- 1 Laboratory of Toxicology, BK21 PLUS Program for Creative Veterinary Science Research and The Research Institute of Veterinary Science, College of Veterinary Medicine, Seoul National University , Seoul 151-742, Republic of Korea
| | - Won Young Cho
- 1 Laboratory of Toxicology, BK21 PLUS Program for Creative Veterinary Science Research and The Research Institute of Veterinary Science, College of Veterinary Medicine, Seoul National University , Seoul 151-742, Republic of Korea
| | - Changhoon Park
- 2 Laboratory of Pathology, College of Veterinary Medicine, Seoul National University , Seoul, Korea
| | - Hu-Lin Jiang
- 3 State Key Laboratory of Natural Medicines, Department of Pharmaceutics, China Pharmaceutical University , Nanjing, China
| | - Bijay Singh
- 4 Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University , Seoul, Korea
| | - Chan-Hee Chae
- 2 Laboratory of Pathology, College of Veterinary Medicine, Seoul National University , Seoul, Korea
| | - Myung-Haing Cho
- 1 Laboratory of Toxicology, BK21 PLUS Program for Creative Veterinary Science Research and The Research Institute of Veterinary Science, College of Veterinary Medicine, Seoul National University , Seoul 151-742, Republic of Korea
| | - Chong-Su Cho
- 4 Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, Seoul National University , Seoul, Korea
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Lee HB, Piao DC, Lee JY, Choi JY, Bok JD, Cho CS, Kang SK, Choi YJ. Artificially designed recombinant protein composed of multiple epitopes of foot-and-mouth disease virus as a vaccine candidate. Microb Cell Fact 2017; 16:33. [PMID: 28228147 PMCID: PMC5322615 DOI: 10.1186/s12934-017-0648-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [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] [Received: 11/04/2016] [Accepted: 02/10/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Concerns regarding the safety of inactivated foot-and-mouth disease (FMD) vaccine have been raised since it is produced from cultured live FMD virus (FMDV). To overcome this issue, recombinant protein has been studied as an alternative vaccine. RESULTS AND CONCLUSION We designed a chimerical multi-epitope recombinant protein (5BT), which is comprised of tandem repeats of five B cell epitopes (residue of VP1 136-162) derived from different FMDV variants and one T-cell epitope (residue of 3A 21-35). To increase solubility and stability of 5BT, it was conjugated with BmpB, the membrane protein B of Brachyspira hyodysenteriae (B5BT). Our results indicated that 5BT was susceptible to degradation by host protease and produced with substantial fraction of inclusion body. The stability and solubility of 5BT was greatly increased by conjugating to BmpB. FMDV specific antibodies were observed in the serum of mice immunized with 5BT and B5BT comparable to inactivated FMD vaccine. Sera from 5BT and B5BT groups also exhibited high epitope-specific antibody titers in peptide specific ELISA, indicating that all five epitopes are exposed to the B cell receptor for the antibody reaction. Thus the multi-epitope recombinant protein designed in this study may be a potential candidate as an alternative vaccine against FMDV epidemic variants.
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Affiliation(s)
- Ho-Bin Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 115-921, Republic of Korea
| | - Da-Chuan Piao
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 115-921, Republic of Korea
| | - Jun-Yeong Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 115-921, Republic of Korea
| | - Jae-Yun Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 115-921, Republic of Korea
| | - Jin-Duck Bok
- Institute of Green-Bio Science and Technology, Seoul National University, 1447-1 Pyeongchang-Daero, Daehwa-Myeon, Pyeongchang-Gun, Gangwon-Do, 25354, Republic of Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 115-921, Republic of Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science and Technology, Seoul National University, 1447-1 Pyeongchang-Daero, Daehwa-Myeon, Pyeongchang-Gun, Gangwon-Do, 25354, Republic of Korea.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 115-921, Republic of Korea. .,Research Institute for Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea.
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Lekshmi KM, Che HL, Cho CS, Park IK. Drug- and Gene-eluting Stents for Preventing Coronary Restenosis. Chonnam Med J 2017; 53:14-27. [PMID: 28184335 PMCID: PMC5299126 DOI: 10.4068/cmj.2017.53.1.14] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [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] [Received: 07/22/2016] [Revised: 08/17/2016] [Accepted: 08/18/2016] [Indexed: 12/19/2022] Open
Abstract
Coronary artery disease (CAD) has been reported to be a major cause of death worldwide. Current treatment methods include atherectomy, coronary angioplasty (as a percutaneous coronary intervention), and coronary artery bypass. Among them, the insertion of stents into the coronary artery is one of the commonly used methods for CAD, although the formation of in-stent restenosis (ISR) is a major drawback, demanding improvement in stent technology. Stents can be improved using the delivery of DNA, siRNA, and miRNA rather than anti-inflammatory/anti-thrombotic drugs. In particular, genes that could interfere with the development of plaque around infected regions are conjugated on the stent surface to inhibit neointimal formation. Despite their potential benefits, it is necessary to explore the various properties of gene-eluting stents. Furthermore, multifunctional electronic stents that can be used as a biosensor and deliver drug- or gene-based on physiological condition will be a very promising way to the successful treatment of ISR. In this review, we have discussed the molecular mechanism of restenosis, the use of drug- and gene-eluting stents, and the possible roles that these stents have in the prevention and treatment of coronary restenosis. Further, we have explained how multifunctional electronic stents could be used as a biosensor and deliver drugs based on physiological conditions.
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Affiliation(s)
- Kamali Manickavasagam Lekshmi
- Department of Biomedical Sciences and BK21 PLUS Centre for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju, Korea
| | - Hui-Lian Che
- Department of Biomedical Sciences and BK21 PLUS Centre for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju, Korea.; Heart Research Centre, Chonnam National University Hospital, Gwangju, Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, Korea
| | - In-Kyu Park
- Department of Biomedical Sciences and BK21 PLUS Centre for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju, Korea
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Affiliation(s)
- Chong-Su Cho
- 1Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, Korea
| | - James J Yoo
- 2Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC USA
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Piao DC, Lee YS, Bok JD, Cho CS, Hong ZS, Kang SK, Choi YJ. Production of soluble truncated spike protein of porcine epidemic diarrhea virus from inclusion bodies of Escherichia coli through refolding. Protein Expr Purif 2016; 126:77-83. [PMID: 27260969 PMCID: PMC7173294 DOI: 10.1016/j.pep.2016.05.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [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] [Received: 05/03/2016] [Revised: 05/29/2016] [Accepted: 05/30/2016] [Indexed: 11/24/2022]
Abstract
The emergence of highly pathogenic variant porcine epidemic diarrhea virus (PEDV) strains, from 2013 to 2014, in North American and Asian countries have greatly threatened global swine industry. Therefore, development of effective vaccines against PEDV variant strains is urgently needed. Recently, it has been reported that the N-terminal domain (NTD) of S1 domain of PEDV spike protein is responsible for binding to the 5-N-acetylneuraminic acid (Neu5Ac), a possible sugar co-receptor. Therefore, the NTD of S1 domain could be an attractive target for the development of subunit vaccines. In this study, the NTD spanning amino acid residues 25-229 (S25-229) of S1 domain of PEDV variant strain was expressed in Escherichia coli BL21 (DE3) in the form of inclusion bodies (IBs). S25-229 IBs were solubilized in 20 mM sodium acetate (pH 4.5) buffer containing 8 M urea and 1 mM dithiothreitol with 95% yield. Solubilized S25-229 IBs were refolded by 10-fold flash dilution and purified by one-step cation exchange chromatography with >95% purity and 20% yield. The CD spectrum of S25-229 showed the characteristic pattern of alpha helical structure. In an indirect ELISA, purified S25-229 showed strong reactivity with mouse anti-PEDV sera. In addition, immunization of mice with 20 μg of purified S25-229 elicited highly potent serum IgG titers. Finally, mouse antisera against S25-229 showed immune reactivity with native PEDV S protein in an immunofluorescence assay. These results suggest that purified S25-229 may have potential to be used as a subunit vaccine against PEDV variant strains.
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Affiliation(s)
- Da-Chuan Piao
- Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Republic of Korea
| | - Yoon-Seok Lee
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang-gun, 232-916, Republic of Korea
| | - Jin-Duck Bok
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang-gun, 232-916, Republic of Korea
| | - Chong-Su Cho
- Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Republic of Korea
| | - Zhong-Shan Hong
- Department of Animal Science, Tianjin Agricultural University, Tianjin, 300-384, People's Republic of China
| | - Sang-Kee Kang
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang-gun, 232-916, Republic of Korea.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Republic of Korea; Department of Animal Science, Tianjin Agricultural University, Tianjin, 300-384, People's Republic of China.
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Islam MA, Kim S, Firdous J, Lee AY, Hong SH, Seo MK, Park TE, Yun CH, Choi YJ, Chae C, Cho CS, Cho MH. A high affinity kidney targeting by chitobionic acid-conjugated polysorbitol gene transporter alleviates unilateral ureteral obstruction in rats. Biomaterials 2016; 102:43-57. [DOI: 10.1016/j.biomaterials.2016.06.013] [Citation(s) in RCA: 6] [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] [Received: 02/20/2016] [Revised: 06/02/2016] [Accepted: 06/05/2016] [Indexed: 02/07/2023]
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Li HS, Shin MK, Singh B, Maharjan S, Park TE, Kang SK, Yoo HS, Hong ZS, Cho CS, Choi YJ. Nasal immunization with mannan-decorated mucoadhesive HPMCP microspheres containing ApxIIA toxin induces protective immunity against challenge infection with Actinobacillus pleuropneumoiae in mice. J Control Release 2016; 233:114-25. [PMID: 27189136 DOI: 10.1016/j.jconrel.2016.05.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [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: 08/31/2015] [Revised: 02/08/2016] [Accepted: 05/13/2016] [Indexed: 12/22/2022]
Abstract
The development of subunit mucosal vaccines requires an appropriate delivery system or an immune modulator such as an adjuvant to improve antigen immunogenicity. The nasal route for vaccine delivery by microparticles has attracted considerable interest, although challenges such as the rapid mucociliary clearance in the respiratory mucosa and the low immunogenicity of subunit vaccine still remain. Here, we aimed to develop mannan-decorated mucoadhesive thiolated hydroxypropylmethyl cellulose phthalate (HPMCP) microspheres (Man-THM) that contain ApxIIA subunit vaccine - an exotoxin fragment as a candidate for a subunit nasal vaccine against Actinobacillus pleuropneumoniae. For adjuvant activity, mucoadhesive thiolated HPMCP microspheres decorated with mannan could be targeted to the PRRs (pathogen recognition receptors) and mannose receptors (MR) of antigen presenting cells (APCs) in the respiratory immune system. The potential adjuvant ability of Man-THM for intranasal immunization was confirmed by in vitro and in vivo experiments. In a mechanistic study using APCs in vitro, it was found that Man-THM enhanced receptor-mediated endocytosis by stimulating the MR of APCs. In vivo, the nasal vaccination of ApxIIA-loaded Man-THM in mice resulted in higher levels of mucosal sIgA and serum IgG than mice in the ApxIIA and ApxIIA-loaded THM groups due to the specific recognition of the mannan in the Man-THM by the MRs of the APCs. Moreover, ApxIIA-containing Man-THM protected immunized mice when challenged with strains of A. pleuropneumoniae serotype 5. These results suggest that mucoadhesive Man-THM may be a promising candidate for a nasal vaccine delivery system to elicit systemic and mucosal immunity that can protect from pathogenic bacteria infection.
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Affiliation(s)
- Hui-Shan Li
- Department of Agricultural Biotechnology & Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, South Korea
| | - Min-Kyoung Shin
- Department of Infectious Disease, College of Veterinary Medicine, Seoul National University, Seoul 151-921, South Korea
| | - Bijay Singh
- Department of Agricultural Biotechnology & Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, South Korea
| | - Sushila Maharjan
- Department of Agricultural Biotechnology & Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, South Korea
| | - Tae-Eun Park
- Department of Agricultural Biotechnology & Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, South Korea
| | - Sang-Kee Kang
- Institute of Green-Bio Science & Technology, Seoul National University, Pyeongchang-gun, 232-916, South Korea
| | - Han-Sang Yoo
- Department of Infectious Disease, College of Veterinary Medicine, Seoul National University, Seoul 151-921, South Korea
| | - Zhong-Shan Hong
- Department of Animal Science, Tianjin Agricultural University, Tianjin 300-384, China
| | - Chong-Su Cho
- Department of Agricultural Biotechnology & Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, South Korea.
| | - Yun-Jaie Choi
- Department of Agricultural Biotechnology & Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, South Korea; Department of Animal Science, Tianjin Agricultural University, Tianjin 300-384, China.
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