1
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Cao J, Zhu C, Cao Z, Ke X. CPPs-modified chitosan as permeability-enhancing chemotherapeutic combined with gene therapy nanosystem by thermosensitive hydrogel for the treatment of osteosarcoma. Int J Biol Macromol 2024; 267:130915. [PMID: 38561118 DOI: 10.1016/j.ijbiomac.2024.130915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/11/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND Chemotherapy resistance of osteosarcoma (OS) is still the crux of poor clinical curative effect.E3 ubiquitin-protein ligase Rad18 (Rad18) contributed to doxorubicin resistance in OS, which ultimately mediated DNA damage tolerance and led to a poor prognosis and chemotherapy response in patients. METHODS In this study, doxorubicin was loaded in the process of Fe2+ and siRad18 forming nanoparticles(FSD) through coordination, chitosan modified with cell penetrating peptide (H6R6) was synthesized and coated on the surface of the NPs(FSD-CHR). FSD-CHR was then dispersed in thermosensitive hydrogel(PPP) for peritumoral injection of osteosarcoma in situ. Subsequently, the physicochemical properties and molecular biological characteristics of the drug delivery system were characterized. Finally, an osteosarcoma model was established to study the anti-tumor effects of multifunctional nanoparticles and the immunotherapy effect combined with αPD-L1. RESULTS FSD-CHR has enhanced tumor tissue permeability, siRad18 can significantly reduce Dox-mediated DNA damage tolerance and enhance anti-tumor effects, and iron-based NPs show enhanced ROS upregulation. FSD-CHR@PPP showed significant inhibition of osteosarcoma growth in vivo and a reduced incidence of lung metastasis. In addition, siRad18 was unexpectedly found to enhance Dox-mediated immunogenic cell death (ICD).FSD-CHR@PPP combined with PD-L1 blocking significantly enhanced anti-tumor effects due to decreased PD-L1 enrichment. CONCLUSION Hydrogel encapsulation of permeable nanoparticles provides an effective strategy for doxorubicin-resistant OS, showing that gene therapy blocking DNA damage tolerance can enhance treatment response to chemotherapy and appears to enhance the effect of ICD inducers to activate the immune system.
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Affiliation(s)
- Jie Cao
- Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, Jiangsu province, China
| | - Chenghong Zhu
- Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, Jiangsu province, China
| | - Ziqi Cao
- Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, Jiangsu province, China
| | - Xue Ke
- Department of Pharmaceutics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, Jiangsu province, China.
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2
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Li W, Li H, Song J, Xing Y, Fang L, Wang X, Wu D, Min W. Mechanism of Intestinal Epithelial Absorption and Electrophysiological Regulation of the Shrimp Peptide QMDDQ. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:326-338. [PMID: 38155399 DOI: 10.1021/acs.jafc.3c05714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
We investigated the absorption mechanism of the shrimp peptide QMDDQ in small intestines, explored its physiological function in inhibiting neuronal hyperactivity, and verified its entry into the brain in vivo to display functional activity. The everted rat sac model and a Caco-2 paracellular absorption monolayer model were used, indicating that QMDDQ has a good absorption capacity with an apparent permeability coefficient (Papp) > 1 × 10-6 cm/s and the absorption of QMDDQ was concentration-dependent. When the concentration of QMDDQ was 1 mM and the transport time was 180 min, the highest absorption concentration of QMDDQ was 41.17 ± 3.48 μM (P < 0.05). The myosin light-chain kinase (MLCK)-specific inhibitor ML-7 and activator MPA, Western blotting, and immunofluorescence results showed that QMDDQ absorption takes place by mediating the MLCK-p-MLCK-MLC signaling pathway, reversibly opening the zonula occludens-1 (ZO-1), occludin in tight junctions (TJs), upregulating claudin-2 expression, and reaching targets through blood to inhibit neuronal overactivity. Results of fluorescence imaging in vivo verified that QMDDQ could enter the brain 4 h after oral administration. The results provide a theoretical foundation for the mechanism of paracellular absorption of active peptides and a starting point for the development of functional foods for Alzheimer's disease intervention.
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Affiliation(s)
- Weijia Li
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Haoming Li
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Jiaqi Song
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Yihang Xing
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Li Fang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Xiyan Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Dan Wu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P.R. China
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, P.R. China
| | - Weihong Min
- College of Food and Health, Zhejiang A&F University, Hangzhou 311300, P.R. China
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Ramirez-Velez I, Belardi B. Storming the gate: New approaches for targeting the dynamic tight junction for improved drug delivery. Adv Drug Deliv Rev 2023; 199:114905. [PMID: 37271282 PMCID: PMC10999255 DOI: 10.1016/j.addr.2023.114905] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/20/2023] [Accepted: 05/29/2023] [Indexed: 06/06/2023]
Abstract
As biologics used in the clinic outpace the number of new small molecule drugs, an important challenge for their efficacy and widespread use has emerged, namely tissue penetrance. Macromolecular drugs - bulky, high-molecular weight, hydrophilic agents - exhibit low permeability across biological barriers. Epithelial and endothelial layers, for example within the gastrointestinal tract or at the blood-brain barrier, present the most significant obstacle to drug transport. Within epithelium, two subcellular structures are responsible for limiting absorption: cell membranes and intercellular tight junctions. Previously considered impenetrable to macromolecular drugs, tight junctions control paracellular flux and dictate drug transport between cells. Recent work, however, has shown tight junctions to be dynamic, anisotropic structures that can be targeted for delivery. This review aims to summarize new approaches for targeting tight junctions, both directly and indirectly, and to highlight how manipulation of tight junction interactions may help usher in a new era of precision drug delivery.
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Affiliation(s)
- Isabela Ramirez-Velez
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712, United States
| | - Brian Belardi
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712, United States.
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4
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Peng H, Wang J, Chen J, Peng Y, Wang X, Chen Y, Kaplan DL, Wang Q. Challenges and opportunities in delivering oral peptides and proteins. Expert Opin Drug Deliv 2023; 20:1349-1369. [PMID: 37450427 PMCID: PMC10990675 DOI: 10.1080/17425247.2023.2237408] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/07/2023] [Accepted: 07/13/2023] [Indexed: 07/18/2023]
Abstract
INTRODUCTION Rapid advances in bioengineering enable the use of complex proteins as therapeutic agents to treat diseases. Compared with conventional small molecule drugs, proteins have multiple advantages, including high bioactivity and specificity with low toxicity. Developing oral dosage forms with active proteins is a route to improve patient compliance and significantly reduce production costs. However, the gastrointestinal environment remains a challenge to this delivery path due to enzymatic degradation, low permeability, and weak absorption, leading to reduced delivery efficiency and poor clinical outcomes. AREAS COVERED This review describes the barriers to oral delivery of peptides and complex proteins, current oral delivery strategies utilized and the opportunities and challenges ahead to try and circumvent these barriers. Oral protein drugs on the market and clinical trials provide insights and approaches for advancing delivery strategies. EXPERT OPINION Although most current studies on oral protein delivery rely on in vitro and in vivo animal data, the safety and limitations of the approach in humans remain uncertain. The shortage of clinical data limits the development of new or alternative strategies. Therefore, designing appropriate oral delivery strategies remains a significant challenge and requires new ideas, innovative design strategies and novel model systems.
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Affiliation(s)
- Haisheng Peng
- Department of Pharmacology, Medical College, University of Shaoxing, Shaoxing, China
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
| | - Jiahe Wang
- Department of Humanities, Daqing Branch, Harbin Medical University, Daqing, China
| | - Jiayu Chen
- Department of Pharmacology, Medical College, University of Shaoxing, Shaoxing, China
| | - Yanbo Peng
- Department of Pharmaceutical Engineering, China Pharmaceutical University, 639 Longmian Rd, Nanjing 211198, China
| | - Xiaoxian Wang
- The Affiliated Hospital of Medical College, University of Shaoxing, Shaoxing, Zhejiang Province, China
| | - Ying Chen
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Qun Wang
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
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5
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Wu H, Wei G, Luo L, Li L, Gao Y, Tan X, Wang S, Chang H, Liu Y, Wei Y, Song J, Zhang Z, Huo J. Ginsenoside Rg3 nanoparticles with permeation enhancing based chitosan derivatives were encapsulated with doxorubicin by thermosensitive hydrogel and anti-cancer evaluation of peritumoral hydrogel injection combined with PD-L1 antibody. Biomater Res 2022; 26:77. [PMID: 36494759 PMCID: PMC9733157 DOI: 10.1186/s40824-022-00329-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/22/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Combination of chemotherapy and immune checkpoint inhibitor therapy has greatly improved the anticancer effect on multiple malignancies. However, the efficiency on triple-negative breast cancer (TNBC) is limited, since most patients bear "cold" tumors with low tumor immunogenicity. Doxorubicin (DOX), one of the most effective chemotherapy agents, can induce immunogenic cell death (ICD) and thus initiating immune response. METHODS In this study, to maximize the ICD effect induced by DOX, chitosan and cell-penetrating peptide (R6F3)-modified nanoparticles (PNPs) loaded with ginsenoside Rg3 (Rg3) were fabricated using the self-assembly technique, followed by co-encapsulation with DOX based on thermo-sensitive hydrogel. Orthotopic tumor model and contralateral tumor model were established to observe the antitumor efficacy of the thermo-sensitive hydrogel combined with anti-PD-L1 immunotherapy, besides, the biocompatibility was also evaluated by histopathological. RESULTS Rg3-PNPs strengthened the immunogenic cell death (ICD) effect induced by DOX. Moreover, the hydrogel co-loading Rg3-PNPs and DOX provoked stronger immune response in originally nonimmunogenic 4T1 tumors than DOX monotherapy. Following combination with PD-L1 blocking, substantial antitumor effect was achieved due to the recruitment of memory T cells and the decline of adaptive PD-L1 enrichment. CONCLUSION The hydrogel encapsulating DOX and highly permeable Rg3-PNPs provided an efficient strategy for remodeling immunosuppressive tumor microenvironment and converting immune "cold" 4T1 into "hot" tumors.
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Affiliation(s)
- Hao Wu
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China ,grid.411671.40000 0004 1757 5070School of Material Science and Chemical Engineering, Chuzhou University, 239000 Chuzhou, China
| | - Guoli Wei
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China ,Department of Oncology, Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjing, China
| | - Lixia Luo
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Lingchang Li
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Yibo Gao
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Xiaobin Tan
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Sen Wang
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Haoxiao Chang
- grid.24696.3f0000 0004 0369 153XDepartment of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuxi Liu
- grid.411671.40000 0004 1757 5070School of Material Science and Chemical Engineering, Chuzhou University, 239000 Chuzhou, China
| | - Yingjie Wei
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Jie Song
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Zhenhai Zhang
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
| | - Jiege Huo
- grid.410745.30000 0004 1765 1045Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, China ,Jiangsu Province Academy of Traditional Chinese Medicine, 210028 Nanjing, China
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6
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Bajracharya R, Song JG, Patil BR, Lee SH, Noh HM, Kim DH, Kim GL, Seo SH, Park JW, Jeong SH, Lee CH, Han HK. Functional ligands for improving anticancer drug therapy: current status and applications to drug delivery systems. Drug Deliv 2022; 29:1959-1970. [PMID: 35762636 PMCID: PMC9246174 DOI: 10.1080/10717544.2022.2089296] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Conventional chemotherapy lacking target selectivity often leads to severe side effects, limiting the effectiveness of chemotherapy. Therefore, drug delivery systems ensuring both selective drug release and efficient intracellular uptake at the target sites are highly demanded in chemotherapy to improve the quality of life of patients with low toxicity. One of the effective approaches for tumor-selective drug delivery is the adoption of functional ligands that can interact with specific receptors overexpressed in malignant cancer cells. Various functional ligands including folic acid, hyaluronic acid, transferrin, peptides, and antibodies, have been extensively explored to develop tumor-selective drug delivery systems. Furthermore, cell-penetrating peptides or ligands for tight junction opening are also actively pursued to improve the intracellular trafficking of anticancer drugs. Sometimes, multiple ligands with different roles are used in combination to enhance the cellular uptake as well as target selectivity of anticancer drugs. In this review, the current status of various functional ligands applicable to improve the effectiveness of cancer chemotherapy is overviewed with a focus on their roles, characteristics, and preclinical/clinical applications.
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Affiliation(s)
| | - Jae Geun Song
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | | | - Sang Hoon Lee
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | - Hye-Mi Noh
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | - Da-Hyun Kim
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | - Gyu-Lin Kim
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | - Soo-Hwa Seo
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | - Ji-Won Park
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | | | - Chang Hoon Lee
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
| | - Hyo-Kyung Han
- College of Pharmacy, Dongguk University-Seoul, Goyang, Korea
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7
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Wu J, Zhu Z, Liu W, Zhang Y, Kang Y, Liu J, Hu C, Wang R, Zhang M, Chen L, Shao L. How Nanoparticles Open the Paracellular Route of Biological Barriers: Mechanisms, Applications, and Prospects. ACS NANO 2022; 16:15627-15652. [PMID: 36121682 DOI: 10.1021/acsnano.2c05317] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Biological barriers are essential physiological protective systems and obstacles to drug delivery. Nanoparticles (NPs) can access the paracellular route of biological barriers, either causing adverse health impacts on humans or producing therapeutic opportunities. This Review introduces the structural and functional influences of NPs on the key components that govern the paracellular route, mainly tight junctions, adherens junctions, and cytoskeletons. Furthermore, we evaluate their interaction mechanisms and address the influencing factors that determine the ability of NPs to open the paracellular route, which provides a better knowledge of how NPs can open the paracellular route in a safer and more controllable way. Finally, we summarize limitations in the research models and methodologies of the existing research in the field and provide future research direction. This Review demonstrates the in-depth causes for the reversible opening or destruction of the integrity of barriers generated by NPs; more importantly, it contributes insights into the design of NP-based medications to boost paracellular drug delivery efficiency.
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Affiliation(s)
- Junrong Wu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou 510515, China
| | - Zhenjun Zhu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Wenjing Liu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yanli Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yiyuan Kang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jia Liu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Chen Hu
- Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ruolan Wang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Manjin Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Longquan Shao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou 510515, China
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8
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Fein KC, Gleeson JP, Cochran K, Lamson NG, Doerfler R, Melamed JR, Whitehead KA. Long-term daily oral administration of intestinal permeation enhancers is safe and effective in mice. Bioeng Transl Med 2022; 8:e10342. [PMID: 36684095 PMCID: PMC9842030 DOI: 10.1002/btm2.10342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/25/2022] [Accepted: 04/29/2022] [Indexed: 01/25/2023] Open
Abstract
Although protein drugs are powerful biologic therapeutics, they cannot be delivered orally because their large size and hydrophilicity limit their absorption across the intestinal epithelium. One potential solution is the incorporation of permeation enhancers into oral protein formulations; however, few have advanced clinically due to toxicity concerns surrounding chronic use. To better understand these concerns, we conducted a 30-day longitudinal study of daily oral permeation enhancer use in mice and resultant effects on intestinal health. Specifically, we investigated three permeation enhancers: sodium caprate (C10), an industry standard, as well as 1-phenylpiperazine (PPZ) and sodium deoxycholate (SDC). Over 30 days of treatment, all mice gained weight, and none required removal from the study due to poor health. Furthermore, intestinal permeability did not increase following chronic use. We also quantified the gene expression of four tight junction proteins (claudin 2, claudin 3, ZO-1, and JAM-A). Significant differences in gene expression between untreated and permeation enhancer-treated mice were found, but these varied between treatment groups, with most differences resolving after a 1-week washout period. Immunofluorescence microscopy revealed no observable differences in protein localization or villus architecture between treated and untreated mice. Overall, PPZ and SDC performed comparably to C10, one of the most clinically advanced enhancers, and results suggest that the chronic use of some permeation enhancers may be therapeutically viable from a safety standpoint.
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Affiliation(s)
- Katherine C. Fein
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
| | - John P. Gleeson
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
| | - Kyle Cochran
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
| | - Nicholas G. Lamson
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
| | - Rose Doerfler
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
| | - Jilian R. Melamed
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
| | - Kathryn A. Whitehead
- Department of Chemical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA,Department of Biomedical EngineeringCarnegie Mellon UniversityPittsburghPennsylvaniaUSA
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9
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Interactions between Nanoparticles and Intestine. Int J Mol Sci 2022; 23:ijms23084339. [PMID: 35457155 PMCID: PMC9024817 DOI: 10.3390/ijms23084339] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/10/2022] [Accepted: 04/12/2022] [Indexed: 02/01/2023] Open
Abstract
The use of nanoparticles (NPs) has surely grown in recent years due to their versatility, with a spectrum of applications that range from nanomedicine to the food industry. Recent research focuses on the development of NPs for the oral administration route rather than the intravenous one, placing the interactions between NPs and the intestine at the centre of the attention. This allows the NPs functionalization to exploit the different characteristics of the digestive tract, such as the different pH, the intestinal mucus layer, or the intestinal absorption capacity. On the other hand, these same characteristics can represent a problem for their complexity, also considering the potential interactions with the food matrix or the microbiota. This review intends to give a comprehensive look into three main branches of NPs delivery through the oral route: the functionalization of NPs drug carriers for systemic targets, with the case of insulin carriers as an example; NPs for the delivery of drugs locally active in the intestine, for the treatment of inflammatory bowel diseases and colon cancer; finally, the potential concerns and side effects of the accidental and uncontrolled exposure to NPs employed as food additives, with focus on E171 (titanium dioxide) and E174 (silver NPs).
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10
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Kwon K, Jung J, Sahu A, Tae G. Nanoreactor for cascade reaction between SOD and CAT and its tissue regeneration effect. J Control Release 2022; 344:160-172. [PMID: 35247490 DOI: 10.1016/j.jconrel.2022.02.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 02/24/2022] [Indexed: 11/25/2022]
Abstract
Nanoreactors for scavenging reactive oxygen species (ROS), a major factor in inflammatory diseases, can reduce overproduced ROS, and thus can prevent further progress of the diseases or facilitate the regeneration of damaged inflamed tissues. Herein, we designed a pluronic-based nanocarrier loaded with dual antioxidant enzymes present in vivo (superoxide dismutase (SOD) and catalase (CAT)) as a nanoreactor system for the regeneration of inflammatory tissue. The catalytic activity of each enzyme was enhanced by loading it into the nanocarrier. More importantly, the nanocarrier could enhance the cascade reaction between SOD and CAT, which converts the superoxide anion to oxygen. The synergistic anti-inflammatory effect of the nanoreactor based on the cascade reaction was verified in vitro. Furthermore, in an inflammatory bowel disease (IBD) mouse model, the dual enzyme (SOD/CAT)-loaded nanocarrier could result in significantly enhanced tissue regeneration and notably alleviated inflammation activities upon intravenous administration of them compared to other control groups, including single enzyme (SOD or CAT)-loaded nanocarrier and the free mixture of both enzymes without the nanocarrier. Thus, the efficacy of the nanoreactor for the cascade reaction on tissue regeneration in vivo was proved. Accordingly, the nanoreactor could be applied for tissue regeneration therapy against various inflammatory diseases.
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Affiliation(s)
- Kiyoon Kwon
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Junyoung Jung
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Abhishek Sahu
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Giyoong Tae
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
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11
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Effective and prolonged targeting of a nanocarrier to the inflammation site by functionalization with ZnBPMP and chitosan. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112521. [PMID: 34857300 DOI: 10.1016/j.msec.2021.112521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 10/19/2021] [Accepted: 10/22/2021] [Indexed: 02/07/2023]
Abstract
Efficient and selective targeting of inflamed tissues/organs is critical for diagnosis and therapy. Although nanomaterials themselves have an intrinsic advantage due to their size for targeting inflammation sites, additional functionalization of the nanomaterials with proper targeting moieties is desired to enhance the targeting efficiency. In this study, we aimed to improve the inflammation targeting characteristics of a pluronic-based nanocarrier, which has advantages as a nanosized delivery cargo for diverse molecules, by conjugating with chitosan and ZnBPMP (two Zn(II) ions chelated 2,6-bis[(bis(2-pyridylmethyl)amino)-methyl]-4-methylphenol) moiety. Specific and significant cellular uptake and interaction between the nanocarrier functionalized with ZnBPMP ligand and chitosan to an apoptosis-induced immune cell line were observed in vitro. An inflammation model in the mouse ear caused by skin hypersensitivity was used to evaluate the effect of functionalization with chitosan and ZnBPMP moiety by comparing with various control groups. Functionalization of the nanocarrier with chitosan greatly enhanced the in vivo circulation time of the nanocarrier, so prolonged targeting ability of the nanocarrier to the inflamed ear was achieved. Additional ZnBPMP functionalization to chitosan-functionalized nanocarrier also resulted in significantly improved initial targeting and further enhancement in the targeting until 5 days to the inflamed ear and the decreased non-specific accumulation of the nanocarrier to the remaining body. Thus, developed nanocarrier has a high potential as a drug delivery carrier as well as a diagnostic agent to the inflammation sites.
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12
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Chemically Induced pH Perturbations for Analyzing Biological Barriers Using Ion-Sensitive Field-Effect Transistors. SENSORS 2021; 21:s21217277. [PMID: 34770587 PMCID: PMC8588202 DOI: 10.3390/s21217277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 12/17/2022]
Abstract
Potentiometric pH measurements have long been used for the bioanalysis of biofluids, tissues, and cells. A glass pH electrode and ion-sensitive field-effect transistor (ISFET) can measure the time course of pH changes in a microenvironment as a result of physiological and biological activities. However, the signal interpretation of passive pH sensing is difficult because many biological activities influence the spatiotemporal distribution of pH in the microenvironment. Moreover, time course measurement suffers from stability because of gradual drifts in signaling. To address these issues, an active method of pH sensing was developed for the analysis of the cell barrier in vitro. The microenvironmental pH is temporarily perturbed by introducing a low concentration of weak acid (NH4+) or base (CH3COO−) to cells cultured on the gate insulator of ISFET using a superfusion system. Considering the pH perturbation originates from the semi-permeability of lipid bilayer plasma membranes, induced proton dynamics are used for analyzing the biomembrane barriers against ions and hydrated species following interaction with exogenous reagents. The unique feature of the method is the sensitivity to the formation of transmembrane pores as small as a proton (H+), enabling the analysis of cell–nanomaterial interactions at the molecular level. The new modality of cell analysis using ISFET is expected to be applied to nanomedicine, drug screening, and tissue engineering.
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13
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Advancedoral vaccine delivery strategies for improving the immunity. Adv Drug Deliv Rev 2021; 177:113928. [PMID: 34411689 DOI: 10.1016/j.addr.2021.113928] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/15/2021] [Accepted: 08/10/2021] [Indexed: 12/12/2022]
Abstract
Infectious diseases continue to inflict a high global disease burden. The consensus is that vaccination is the most effective option against infectious diseases. Oral vaccines have unique advantages in the prevention of global pandemics due to their ease of use, high compliance, low cost, and the ability to induce both systemic and mucosal immune responses. However, challenges of adapting vaccines for oral administration remain significant. Foremost among these are enzymatic and pH-dependent degradation of antigens in the stomach and intestines, the low permeability of mucus barrier, the nonspecific uptake of antigens at the intestinal mucosal site, and the immune suppression result from the elusive immune tolerance mechanisms. Innovative delivery techniques promise great potential for improving the flexibility and efficiency of oral vaccines. A better understanding of the delivery approaches and the immunological mechanisms of oral vaccine delivery systems may provide new scientific insight and tools for developing the next-generation oral vaccine. Here, an overview of the advanced technologies in the field of oral vaccination is proposed, including mucus-penetrating nanoparticle (NP), mucoadhesive delivery vehicles, targeting antigen-presenting cell (APC) nanocarriers and enhanced paracellular delivery strategies and so on. Meanwhile, the mechanisms of delivery vectors interact with mucosal barriers are discussed.
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Xiong W, Xiong SH, Chen QL, Linghu KG, Zhao GD, Chu JMT, Wong GTC, Li J, Hu YJ, Wang YT, Yu H. Brij-functionalized chitosan nanocarrier system enhances the intestinal permeability of P-glycoprotein substrate-like drugs. Carbohydr Polym 2021; 266:118112. [PMID: 34044929 DOI: 10.1016/j.carbpol.2021.118112] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 04/05/2021] [Accepted: 04/18/2021] [Indexed: 11/23/2022]
Abstract
The highly expressed P-glycoprotein (Pgp) in the intestine plays a key role in preventing drugs across the intestinal epithelium, which linked by tight junctions (TJs). Thus increasing the oral bioavailability of Pgp substrate-like drugs (PSLDs) remains a great challenge. Herein, we construct a nanocarrier system derived from Brij-grafted-chitosan (BC) to enhance the oral bioavailability and therapeutic effect of berberine (BBR, a typical PLSD) against diabetic kidney disease. The developed BC nanoparticles (BC-NPs) are demonstrated to improve the intestinal permeability of BBR via transiently and reversibly modulating the intercellular TJs (paracellular pathway) and Pgp-mediated drug efflux (transcellular pathway). As compared to free BBR and chitosan nanoparticles, the BC-NPs enhanced the relative oral bioavailability of BBR in rats (4.4- and 2.7-fold, respectively), and the therapeutic potency of BBR in renal function and histopathology. In summary, such strategy may provide an effective nanocarrier system for oral delivery of BBR and PSLDs.
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Affiliation(s)
- Wei Xiong
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Shi Hang Xiong
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Qi Ling Chen
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Ke Gang Linghu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Guan Ding Zhao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - John M T Chu
- Department of Anaesthesiology, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Gordon T C Wong
- Department of Anaesthesiology, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Juan Li
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Yuan Jia Hu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Yi Tao Wang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Hua Yu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao; HKBU Shenzhen Research Center, Shenzhen, Guangdong, China.
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15
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Bhattacharya R, Johnson AP, T S, Rahamathulla M, H V G. Strategies to improve insulin delivery through oral route: A review. Curr Drug Deliv 2021; 19:317-336. [PMID: 34288838 DOI: 10.2174/1567201818666210720145706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/29/2021] [Accepted: 04/29/2021] [Indexed: 11/22/2022]
Abstract
Diabetes mellitus is found to be among the most suffered and lethal diseases for mankind. Diabetes mellitus type-1 is caused by the demolition of pancreatic islets responsible for the secretion of insulin. Insulin is the peptide hormone (anabolic] that regulates the metabolism of carbohydrates, fats, and proteins. Upon the breakdown of the natural process of metabolism, the condition leads to hyperglycemia (increased blood glucose levels]. Hyperglycemia demands outsourcing of insulin. The subcutaneous route was found to be the most stable route of insulin administration but faces patient compliance problems. Oral Insulin delivery systems are the patient-centered and innovative novel drug delivery system, eliminating the pain caused by the subcutaneous route of administration. Insulin comes in contact across various barriers in the gastrointestinal tract, which has been discussed in detail in this review. The review describes about the different bioengineered formulations, including microcarriers, nanocarriers, Self-Microemulsifying drug delivery systems (SMEDDs), Self-Nanoemulsifying drug delivery systems (SNEDDs), polymeric micelles, cochleates, etc. Surface modification of the carriers is also possible by developing ligand anchored bioconjugates. A study on evaluation has shown that the carrier systems facilitate drug encapsulation without tampering the properties of insulin. Carrier-mediated transport by the use of natural, semi-synthetic, and synthetic polymers have shown efficient results in drug delivery by protecting insulin from harmful environment. This makes the formulation readily acceptable for a variety of populations. The present review focuses on the properties, barriers present in the GI tract, overcome the barriers, strategies to formulate oral insulin formulation by enhancing the stability and bioavailability of insulin.
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Affiliation(s)
- Rohini Bhattacharya
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreshwara Nagara, Bannimantap, Mysuru- 570015, Karnataka, India
| | - Asha P Johnson
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreshwara Nagara, Bannimantap, Mysuru- 570015, Karnataka, India
| | - Shailesh T
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreshwara Nagara, Bannimantap, Mysuru- 570015, Karnataka, India
| | - Mohamed Rahamathulla
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Guraiger, Abha, 62529. Saudi Arabia
| | - Gangadharappa H V
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Sri Shivarathreshwara Nagara, Bannimantap, Mysuru- 570015, Karnataka, India
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16
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Kwon K, Hwang Y, Jung J, Tae G. Enhanced Transport and Permeation of a Polymeric Nanocarrier across the Retina by Mixing with ATP upon Intravitreal Injection. Pharmaceutics 2021; 13:463. [PMID: 33805533 PMCID: PMC8065980 DOI: 10.3390/pharmaceutics13040463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/26/2021] [Accepted: 03/26/2021] [Indexed: 11/18/2022] Open
Abstract
The outer part of the retina pigment epithelium (RPE) in the retina is the main site of neovascularization associated with retinal diseases. However, various obstacles interrupt the delivery of medicines across the RPE, mainly due to the well-developed tight junctions in the RPE. Currently, there is no practical formulation to overcome this issue. In this study, we demonstrated that simple mixing with adenosine tetraphosphate (ATP) has the potential to greatly enhance the transport and permeation of a polymeric nanocarrier across the retina via intravitreal administration. Chitosan-functionalized, pluronic-based nanocarrier (NC), which can deliver various biomolecules efficiently, was used as a polymeric nanocarrier. Mixing with ATP facilitated the diffusion of the nanocarrier in the vitreous humor by reducing the electrostatic interaction between NC and negatively charged glycosaminoglycans (GAGs) in the vitreous humor. Mixing with ATP also allowed the penetration of NC across the whole retina, and it resulted in a great increase (approximately nine times) in the transport of NC across the retina, as well as spreading it throughout the whole retina upon intravitreal administration in a mouse model. This enhanced permeation across the retina was specific to ATP but not to GTP, suggesting the possibility of P2Y receptor-mediated tight junction disruption by ATP.
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Affiliation(s)
| | | | | | - Giyoong Tae
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Korea; (K.K.); (Y.H.); (J.J.)
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17
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Kulkarni N, Shinde SD, Jadhav GS, Adsare DR, Rao K, Kachhia M, Maingle M, Patil SP, Arya N, Sahu B. Peptide-Chitosan Engineered Scaffolds for Biomedical Applications. Bioconjug Chem 2021; 32:448-465. [PMID: 33656319 DOI: 10.1021/acs.bioconjchem.1c00014] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Peptides are signaling epitopes that control many vital biological events. Increased specificity, synthetic feasibility with concomitant lack of toxicity, and immunogenicity make this emerging class of biomolecules suitable for different applications including therapeutics, diagnostics, and biomedical engineering. Further, chitosan, a naturally occurring linear polymer composed of d-glucosamine and N-acetyl-d-glucosamine units, possesses anti-microbial, muco-adhesive, and hemostatic properties along with excellent biocompatibility. As a result, chitosan finds application in drug/gene delivery, tissue engineering, and bioimaging. Despite these applications, chitosan demonstrates limited cell adhesion and lacks biosignaling. Therefore, peptide-chitosan hybrids have emerged as a new class of biomaterial with improved biosignaling properties and cell adhesion properties. As a result, recent studies encompass increased application of peptide-chitosan hybrids as composites or conjugates in drug delivery, cell therapy, and tissue engineering and as anti-microbial material. This review discusses the recent investigations involving chitosan-peptide materials and uncovers various aspects of these interesting hybrid materials for biomedical applications.
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Karabasz A, Bzowska M, Szczepanowicz K. Biomedical Applications of Multifunctional Polymeric Nanocarriers: A Review of Current Literature. Int J Nanomedicine 2020; 15:8673-8696. [PMID: 33192061 PMCID: PMC7654520 DOI: 10.2147/ijn.s231477] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 10/06/2020] [Indexed: 12/14/2022] Open
Abstract
Polymeric nanomaterials have become a prominent area of research in the field of drug delivery. Their application in nanomedicine can improve bioavailability, pharmacokinetics, and, therefore, the effectiveness of various therapeutics or contrast agents. There are many studies for developing new polymeric nanocarriers; however, their clinical application is somewhat limited. In this review, we present new complex and multifunctional polymeric nanocarriers as promising and innovative diagnostic or therapeutic systems. Their multifunctionality, resulting from the unique chemical and biological properties of the polymers used, ensures better delivery, and a controlled, sequential release of many different therapeutics to the diseased tissue. We present a brief introduction of the classical formulation techniques and describe examples of multifunctional nanocarriers, whose biological assessment has been carried out at least in vitro. Most of them, however, also underwent evaluation in vivo on animal models. Selected polymeric nanocarriers were grouped depending on their medical application: anti-cancer drug nanocarriers, nanomaterials delivering compounds for cancer immunotherapy or regenerative medicine, components of vaccines nanomaterials used for topical application, and lifestyle diseases, ie, diabetes.
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Affiliation(s)
- Alicja Karabasz
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Monika Bzowska
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Krzysztof Szczepanowicz
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Kraków, Poland
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19
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Huang Z, Huang Y, Wang W, Fu F, Wang W, Dang S, Li C, Ma C, Zhang X, Zhao Z, Pan X, Wu C. Relationship between particle size and lung retention time of intact solid lipid nanoparticle suspensions after pulmonary delivery. J Control Release 2020; 325:206-222. [PMID: 32619747 DOI: 10.1016/j.jconrel.2020.06.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 06/02/2020] [Accepted: 06/04/2020] [Indexed: 12/17/2022]
Abstract
The relationship between the particle size and lung retention time of inhaled nanocarriers was unclear, and this uncertainty hampered the design of nanocarriers for pulmonary delivery. The debate resulted from a lack of knowledge regarding the integrity of the involved nanocarriers. A distinguishable bioimaging probe which could differentiate between integrated and disintegrated nanocarriers by emitting different signals was introduced to address this problem. The aza-BODIPY structured aggregation-caused quenching (ACQ) probes were promising candidates, because they showed intense fluorescence signals in intact nanocarriers while quenched after the decomposition of nanocarriers. This attribute was called an on-off switch. In this paper, ACQ probes were encapsulated into a solid lipid nanoparticle suspension (SLNS) with different particle sizes (120-480 nm), and the relationship between particle size and lung retention time after pulmonary delivery was investigated in BALB/c mice. The results showed that a larger particle size led to a longer lung retention time. By comparing with the results of a non-water-quenching probe, the SLNS systems were found to be mostly intact in the pulmonary region. These findings will serve as a firm basis for the design and development of nanocarriers for pulmonary delivery.
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Affiliation(s)
- Zhengwei Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Ying Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China; College of Pharmacy, Jinan University, Guangzhou 510632, PR China.
| | - Wenhua Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Fangqin Fu
- College of Pharmacy, Jinan University, Guangzhou 510632, PR China
| | - Wenhao Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Shishuai Dang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Cheng Li
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Cheng Ma
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Xuejuan Zhang
- Institute for Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Ziyu Zhao
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, PR China.
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Chuanbin Wu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China; College of Pharmacy, Jinan University, Guangzhou 510632, PR China.
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20
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Brayden D, Hill T, Fairlie D, Maher S, Mrsny R. Systemic delivery of peptides by the oral route: Formulation and medicinal chemistry approaches. Adv Drug Deliv Rev 2020; 157:2-36. [PMID: 32479930 DOI: 10.1016/j.addr.2020.05.007] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 02/07/2023]
Abstract
In its 33 years, ADDR has published regularly on the po5tential of oral delivery of biologics especially peptides and proteins. In the intervening period, analysis of the preclinical and clinical trial failures of many purported platform technologies has led to reflection on the true status of the field and reigning in of expectations. Oral formulations of semaglutide, octreotide, and salmon calcitonin have completed Phase III trials, with oral semaglutide being approved by the FDA in 2019. The progress made with oral peptide formulations based on traditional permeation enhancers is against a background of low and variable oral bioavailability values of ~1%, leading to a current perception that only potent peptides with a viable cost of synthesis can be realistically considered. Desirable features of candidates should include a large therapeutic index, some stability in the GI tract, a long elimination half-life, and a relatively low clearance rate. Administration in nanoparticle formats have largely disappointed, with few prototypes reaching clinical trials: insufficient particle loading, lack of controlled release, low epithelial particle uptake, and lack of scalable synthesis being the main reasons for discontinuation. Disruptive technologies based on engineered devices promise improvements, but scale-up and toxicology aspects are issues to address. In parallel, medicinal chemists are synthesizing stable hydrophobic macrocyclic candidate peptides of lower molecular weight and with potential for greater oral bioavailability than linear peptides, but perhaps without the same requirement for elaborate drug delivery systems. In summary, while there have been advances in understanding the limitations of peptides for oral delivery, low membrane permeability, metabolism, and high clearance rates continue to hamper progress.
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21
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Corazza FG, Ernesto JV, Nambu FA, de Carvalho LR, Leite-Silva VR, Varca GH, Calixto LA, Vieira DP, Andréo-Filho N, Lopes PS. Papain-cyclodextrin complexes as an intestinal permeation enhancer: Permeability and in vitro safety evaluation. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101413] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Lamson NG, Berger A, Fein KC, Whitehead KA. Anionic nanoparticles enable the oral delivery of proteins by enhancing intestinal permeability. Nat Biomed Eng 2020; 4:84-96. [PMID: 31686002 PMCID: PMC7461704 DOI: 10.1038/s41551-019-0465-5] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 09/17/2019] [Indexed: 12/14/2022]
Abstract
The oral delivery of bioactive peptides and proteins is prevented by the intestinal epithelial barrier, in which intercellular tight junction complexes block the uptake of macromolecules. Here we show that anionic nanoparticles induce tight junction relaxation, increasing intestinal permeability and enabling the oral delivery of proteins. This permeation-enhancing effect is a function of nanoparticle size and charge, with smaller (≤ 200 nm) and more negative particles (such as silica) conferring enhanced permeability. In healthy mice, silica nanoparticles enabled the oral delivery of insulin and exenatide, with 10 U kg-1 orally delivered insulin sustaining hypoglycaemia for a few hours longer than a 1 U kg-1 dose of subcutaneously injected insulin. In healthy, hyperglycaemic and diabetic mice, the oral delivery of 10 U kg-1 insulin led to a dose-adjusted bioactivity of, respectively, 35%, 29% and 23% that of the subcutaneous injection of 1 U kg-1 insulin. The permeation-enhancing effect of the nanoparticles was reversible, non-toxic, and attributable to the binding to integrins on the surface of epithelial cells.
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Affiliation(s)
- Nicholas G Lamson
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Adrian Berger
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Katherine C Fein
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Kathryn A Whitehead
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA.
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA.
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Luo F, Fan Z, Yin W, Yang L, Li T, Zhong L, Li Y, Wang S, Yan J, Hou Z, Zhang Q. pH-responsive stearic acid-O-carboxymethyl chitosan assemblies as carriers delivering small molecular drug for chemotherapy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110107. [DOI: 10.1016/j.msec.2019.110107] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 08/05/2019] [Accepted: 08/20/2019] [Indexed: 10/26/2022]
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Chitosan coating of zein-carboxymethylated short-chain amylose nanocomposites improves oral bioavailability of insulin in vitro and in vivo. J Control Release 2019; 313:1-13. [PMID: 31622690 DOI: 10.1016/j.jconrel.2019.10.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/28/2019] [Accepted: 10/08/2019] [Indexed: 12/16/2022]
Abstract
Non-invasive means of insulin administration circumvent some of the inconveniences of injections. Oral administration in particular is convenient, pain-free, and allows favorable glucose homeostasis, but is subject to chemical instability, enzymatic degradation, and poor gastrointestinal absorption. Natural polymeric nanoparticles have emerged as a promising oral delivery system for peptide therapeutics due their safety, biocompatibility, and stability. In this study, self-assembled nanocomposites from chitosan (CS) and insulin-loaded, zein-carboxymethylated short-chain amylose (IN-Z-CSA) nanocomposites were synthesized to improve oral bioavailability of insulin. The optimized IN-Z-CSA/CS0.2% nanocomposites exhibited an average size of 311.32±6.98 nm, a low polydispersity index (0.227±0.01), a negative zeta potential (43.77±1.36 mV), an encapsulation efficiency of 89.6±0.9%, and a loading capacity of 6.8±0.4%. The IN-Z-CSA/CS0.2% nanocomposites were stable in storage conditions. The transepithelial permeability of the N-Z-CSA/CS0.2% nanocomposites was 12-fold higher than that of insulin. Cellular uptake studies revealed that the IN-Z-CSA/CS0.2% nanocomposites were internalized into Caco-2 cells by both endocytosis and a paracellular route. Additionally, in pharmacological studies, orally administered IN-Z-CSA/CS0.2% nanocomposites had a stronger hypoglycemic effect with a relative bioavailability of 15.19% compared with that of IN-Z-CSA1.0% nanocomposites. Furthermore, cell toxicity and in vivo tests revealed that the IN-Z-CSA/CS0.2% nanocomposites were biocompatible. Overall, these results indicate that the IN-Z-CSA/CS0.2% nanocomposites can improve oral bioavailability of insulin and are a promising delivery system for insulin or other peptide/protein drugs.
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25
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Han Y, Gao Z, Chen L, Kang L, Huang W, Jin M, Wang Q, Bae YH. Multifunctional oral delivery systems for enhanced bioavailability of therapeutic peptides/proteins. Acta Pharm Sin B 2019; 9:902-922. [PMID: 31649842 PMCID: PMC6804447 DOI: 10.1016/j.apsb.2019.01.004] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 10/28/2018] [Accepted: 11/28/2018] [Indexed: 02/07/2023] Open
Abstract
In last few years, therapeutic peptides/proteins are rapidly growing in drug market considering their higher efficiency and lower toxicity than chemical drugs. However, the administration of therapeutic peptides/proteins is mainly limited in parenteral approach. Oral therapy which was hampered by harsh gastrointestinal environment and poorly penetrating epithelial barriers often results in low bioavailability (less than 1%-2%). Therefore, delivery systems that are rationally designed to overcome these challenges in gastrointestinal tract and ameliorate the oral bioavailability of therapeutic peptides/proteins are seriously promising. In this review, we summarized various multifunctional delivery systems, including lipid-based particles, polysaccharide-based particles, inorganic particles, and synthetic multifunctional particles that achieved effective oral delivery of therapeutic peptides/proteins.
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Hatano H, Goda T, Matsumoto A, Miyahara Y. Induced Proton Perturbation for Sensitive and Selective Detection of Tight Junction Breakdown. Anal Chem 2018; 91:3525-3532. [DOI: 10.1021/acs.analchem.8b05237] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Hiroaki Hatano
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Tatsuro Goda
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Akira Matsumoto
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
- Kanagawa Institute of Industrial Science and Technology (KISTEC), 705-1 Shimoimaizumi, Ebina, Kanagawa 243-0435, Japan
| | - Yuji Miyahara
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
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Tian H, He Z, Sun C, Yang C, Zhao P, Liu L, Leong KW, Mao HQ, Liu Z, Chen Y. Uniform Core-Shell Nanoparticles with Thiolated Hyaluronic Acid Coating to Enhance Oral Delivery of Insulin. Adv Healthc Mater 2018; 7:e1800285. [PMID: 29984479 DOI: 10.1002/adhm.201800285] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 06/15/2018] [Indexed: 11/10/2022]
Abstract
Oral delivery of protein drugs is an attractive route of administration due to its convenience for repeated dosing and good patient compliance. However, currently oral protein therapeutics show very low bioavailability mainly due to the existence of hostile gastrointestinal (GI) environments, including mucus layers and intestinal epithelial barriers. Herein, using insulin as a model protein therapeutic, the core-shell nanoparticles with thiolated hyaluronic acid (HA-SH) coating (NPHA-SH ) are produced utilizing a two-step flash nanocomplexation process to enhance oral delivery efficiency of insulin. A positively charged nanoparticle core is first generated by electrostatic complexation between insulin and N-(2-hydroxypropyl)-3-trimethyl ammonium chloride modified chitosan (HTCC), followed by surface coating with HA-SH. The optimized NPHA-SH shows an average size of 100 nm with high encapsulation efficiency (91.1%) and loading capacity (38%). In vitro and ex vivo results confirm that NPHA-SH shows high mucus-penetration ability, improved intestinal retention and transepithelial transport property due to its thiolated surface and the ability of HA-SH coating to dissociate from the nanoparticle surface when across the mucosal layer. Oral administration of NPHA-SH to Type 1 diabetic rats yields high efficacy and an average relative bioavailability of 11.3%. These results demonstrate that the HA-SH coated core-shell nanoparticles are a promising oral delivery vehicle for protein therapeutics.
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Affiliation(s)
- Houkuan Tian
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Zhiyu He
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Chengxin Sun
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Chengbiao Yang
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Pengfei Zhao
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Lixin Liu
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Kam W. Leong
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
- Department of Biomedical Engineering; Columbia University; New York NY 10027 USA
| | - Hai-Quan Mao
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
- Institute for Nano BioTechnology and Department of Materials Science and Engineering; Johns Hopkins University; Baltimore MD 21218 USA
- Department of Biomedical Engineering and Translational Tissue Engineering Center; Johns Hopkins University School of Medicine; Baltimore MD 21287 USA
| | - Zhijia Liu
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
| | - Yongming Chen
- School of Materials Science and Engineering; Center for Functional Biomaterials; Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education; Sun Yat-sen University; Guangzhou 510275 China
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28
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Li X, Su X. Multifunctional smart hydrogels: potential in tissue engineering and cancer therapy. J Mater Chem B 2018; 6:4714-4730. [PMID: 32254299 DOI: 10.1039/c8tb01078a] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In recent years, clinical applications have been proposed for various hydrogel products. Hydrogels can be derived from animal tissues, plant extracts and/or adipose tissue extracellular matrices; each type of hydrogel presents significantly different functional properties and may be used for many different applications, including medical therapies, environmental pollution treatments, and industrial materials. Due to complicated preparation techniques and the complexities associated with the selection of suitable materials, the applications of many host-guest supramolecular polymeric hydrogels are limited. Thus, improvements in the design and construction of smart materials are highly desirable in order to increase the lifetimes of functional materials. Here, we summarize different functional hydrogels and their varied preparation methods and source materials. The multifunctional properties of hydrogels, particularly their unique ability to adapt to certain environmental stimuli, are chiefly based on the incorporation of smart materials. Smart materials may be temperature sensitive, pH sensitive, pH/temperature dual sensitive, photoresponsive or salt responsive and may be used for hydrogel wound repair, hydrogel bone repair, hydrogel drug delivery, cancer therapy, and so on. This review focuses on the recent development of smart hydrogels for tissue engineering applications and describes some of the latest advances in using smart materials to create hydrogels for cancer therapy.
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Affiliation(s)
- Xian Li
- Clinical Medical Research Center of the Affiliated Hospital, Inner Mongolia Medical University, 1 Tong Dao Street, Hohhot 010050, Inner Mongolia Autonomous Region, P. R. China.
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29
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One-pot synthesis of dopamine-conjugated hyaluronic acid/polydopamine nanocomplexes to control protein drug release. Int J Pharm 2018. [DOI: 10.1016/j.ijpharm.2018.03.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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30
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Sedyakina NE, Silaeva AO, Krivoshchepov AF, Avramenko GV. Preparation and properties of chitosan microspheres based on polyglycerol polyricinoleate stabilized emulsions. MENDELEEV COMMUNICATIONS 2018. [DOI: 10.1016/j.mencom.2018.01.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Park J, Choi JU, Kim K, Byun Y. Bile acid transporter mediated endocytosis of oral bile acid conjugated nanocomplex. Biomaterials 2017; 147:145-154. [DOI: 10.1016/j.biomaterials.2017.09.022] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 09/15/2017] [Accepted: 09/17/2017] [Indexed: 02/06/2023]
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32
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Kim M, Sahu A, Kim GB, Nam GH, Um W, Shin SJ, Jeong YY, Kim IS, Kim K, Kwon IC, Tae G. Comparison of in vivo targeting ability between cRGD and collagen-targeting peptide conjugated nano-carriers for atherosclerosis. J Control Release 2017; 269:337-346. [PMID: 29175140 DOI: 10.1016/j.jconrel.2017.11.033] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 11/17/2017] [Accepted: 11/20/2017] [Indexed: 01/04/2023]
Abstract
Atherosclerosis plaque is a major cause of cardiovascular diseases across the globe and a silent killer. There are no physical symptoms of the disease in its early stage and current diagnostic techniques cannot detect the small plaques effectively or safely. Plaques formed in blood vessels can cause serious clinical problems such as impaired blood flow or sudden death, regardless of their size. Thus, detecting early stage of plaques is especially more important to effectively reduce the risk of atherosclerosis. Nanoparticle based delivery systems are recognized as a promising option to fight against this disease, and various targeting ligands are typically used to improve their efficiency. So, the choice of appropriate targeting ligand is a crucial factor for optimal targeting efficiency. cRGD peptide and collagen IV targeting peptide, which binds with the αvβ3 integrin overexpressed in the neovasculature of the plaque and collagen type IV present in the plaque, respectively, are frequently used for the targeting of nanoparticles. However, at present no study has directly compared these two peptides. Therefore, in this study, we have prepared cRGD or collagen IV targeting (Col IV-tg-) peptide conjugated and iron oxide nanoparticle (IONP) loaded Pluronic based nano-carriers for systemic comparison of their targeting ability towards in vivo atherosclerotic plaque in Apolipoprotein E deficient (Apo E-/-) mouse model. Nano-carriers with similar size, surface charge, and IONP loading content but with different targeting ligands were analyzed through in vitro and in vivo experiments. Near infrared fluorescence imaging and magnetic resonance imaging techniques as well as Prussian blue staining were used to compare the accumulation of different ligand conjugated nano-caariers in the aorta of atherosclerotic mice. Our results indicate that cRGD based targeting is more efficient than Col IV-tg-peptide in the early stage of atherosclerosis.
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Affiliation(s)
- Manse Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Abhishek Sahu
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Gi Beom Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Gi Hoon Nam
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Wooram Um
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Republic of Korea
| | - So Jin Shin
- Department of Radiology, Chonnam National University Medical School, Chonnam National University Hwasun Hospital, Gwangju 61469, Republic of Korea
| | - Yong Yeon Jeong
- Department of Radiology, Chonnam National University Medical School, Chonnam National University Hwasun Hospital, Gwangju 61469, Republic of Korea
| | - In-San Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Kwangmeyung Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Ick Chan Kwon
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Giyoong Tae
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea.
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pH-responsive carboxymethyl chitosan-derived micelles as apatinib carriers for effective anti-angiogenesis activity: Preparation and in vitro evaluation. Carbohydr Polym 2017; 176:107-116. [DOI: 10.1016/j.carbpol.2017.08.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 07/31/2017] [Accepted: 08/03/2017] [Indexed: 12/13/2022]
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34
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Xie J, Li A, Li J. Advances in pH-Sensitive Polymers for Smart Insulin Delivery. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201700413] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/08/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Jing Xie
- College of Polymer Science and Engineering; Sichuan University; Chengdu 610065 China
| | - Anqi Li
- College of Polymer Science and Engineering; Sichuan University; Chengdu 610065 China
| | - Jianshu Li
- College of Polymer Science and Engineering; Sichuan University; Chengdu 610065 China
- State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu 610065 China
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35
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Liang Y, Li S, Wang X, He B, He B, Dai W, Zhang H, Wang X, Wang Y, Zhou D, Zhang Q. A Nanosystem of Amphiphilic Oligopeptide-Drug Conjugate Actualizing Both αvβ3 Targeting and Reduction-Triggered Release for Maytansinoid. Theranostics 2017; 7:3306-3318. [PMID: 28900511 PMCID: PMC5595133 DOI: 10.7150/thno.20242] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 06/16/2017] [Indexed: 02/07/2023] Open
Abstract
To design a prodrug-based self-assembling nanosystem with both ligand targeting and stimuli-responsive features, and elucidate the superiority of each targeting strategy and the synergistic effect between them, we synthesized four small molecule amphiphilic peptide-drug conjugates (APDCs) using maytansinoid (DM1) as a cytotoxic agent, cRGDfK as a homing peptide, and disulfide (SS) or thioether (SMCC) as linker. Owing to their amphiphilicity, the APDCs could self-assemble into nanoparticles (APDC@NPs) which were evaluated in vitro in three different cell lines and in vivo in tumor-bearing C57BL/6 mice. The RSSD@NPs showed the strongest interaction with αvβ3 integrin, highest cell uptake and intracellular free drug level, and best antitumor efficacy in vitro and in vivo, while it shared the same goodness with other test nanosystems in terms of high drug loading, EPR effect and free of potentially toxic polymers. Especially, the in vivo efficacy of RSSD@NPs was 2 fold of free DM1 which is too cytotoxic to be a drug, while the active targeted APDC@NPs demonstrated acceptable system, tissue and blood compatibility. In αvβ3-positive cells or tumors, the RGD targeting contributed much more than disulfide in anticancer effect. The maximum synergism of the two strategies reached to 22 fold in vitro and 3 fold in vivo. Generally, the active targeting, prodrug and nanosystem could significantly decrease the toxicity of free DM1 and improve its therapy outcome via combining active targeting, prodrug and nanopreparation, especially the dual targeting strategies and their synergism.
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