1
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Zhou Y, Xu L, Sun X, Zhan W, Liang G. In situ peptide assemblies for bacterial infection imaging and treatment. NANOSCALE 2024; 16:3211-3225. [PMID: 38288668 DOI: 10.1039/d3nr05557d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Bacterial infections, especially antibiotic-resistant ones, remain a major threat to human health. Advances in nanotechnology have led to the development of numerous antimicrobial nanomaterials. Among them, in situ peptide assemblies, formed by biomarker-triggered self-assembly of peptide-based building blocks, have received increasing attention due to their unique merits of good spatiotemporal controllability and excellent disease accumulation and retention. In recent years, a variety of "turn on" imaging probes and activatable antibacterial agents based on in situ peptide assemblies have been developed, providing promising alternatives for the treatment and diagnosis of bacterial infections. In this review, we introduce representative design strategies for in situ peptide assemblies and highlight the bacterial infection imaging and treatment applications of these supramolecular materials. Besides, current challenges in this field are proposed.
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Affiliation(s)
- Yanyan Zhou
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
- Wenzhou Key Laboratory of Biophysics, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Lingling Xu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou, Nanjing, Jiangsu 210096, China.
| | - Xianbao Sun
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou, Nanjing, Jiangsu 210096, China.
| | - Wenjun Zhan
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou, Nanjing, Jiangsu 210096, China.
| | - Gaolin Liang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou, Nanjing, Jiangsu 210096, China.
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2
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Liu Y, Liu Y, Sun X, Wang Y, Du C, Bai J. Morphologically transformable peptide nanocarriers coloaded with doxorubicin and curcumin inhibit the growth and metastasis of hepatocellular carcinoma. Mater Today Bio 2024; 24:100903. [PMID: 38130427 PMCID: PMC10733681 DOI: 10.1016/j.mtbio.2023.100903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/03/2023] [Accepted: 12/03/2023] [Indexed: 12/23/2023] Open
Abstract
In tumor treatment, the highly disordered vascular system and lack of accumulation of chemotherapeutic drugs in tumors severely limit the therapeutic role of nanocarriers. Smaller drug-containing nanoparticles (NPs) can better penetrate the tumor but are easily removed, which severely limits the tumor-killing properties of the drug. The chemotherapeutic medication doxorubicin (DOX) is highly toxic to the heart, but this toxicity can be effectively mitigated and the combined anticancer effect can be enhanced by clinically incorporating curcumin (CUR) as part of the dual therapy. We designed a small-molecule peptide, Pep1, containing a targeting peptide (CREKA) and a pH-responsive moiety. These NPs can target the blood vessels in tumor microthrombi and undergo a morphological shift in the tumor microenvironment. This process enhances the penetration and accumulation of drugs, ultimately improving the effectiveness of cancer treatment. In vitro and in vivo experiments demonstrated that this morphological transformation allowed rapid and effective drug release into tumors, the effective inhibition of tumor angiogenesis, and the promotion of tumor cell apoptosis, thus effectively killing tumor cells. Our findings provide a novel and simple approach to nhibit the growth and metastasis of hepatocellular carcinoma.
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Affiliation(s)
- Yun Liu
- School of Stomatology, Weifang Medical University, Weifang, 261053, China
| | - Yunxia Liu
- School of Stomatology, Weifang Medical University, Weifang, 261053, China
- Department of Dentistry, Affiliated Hospital of Weifang Medical University, Weifang, 261035, China
| | - Xinyu Sun
- School of Medical Sciences, Weifang Medical University, Weifang, 261053, China
| | - Yue Wang
- School of Medical Sciences, Weifang Medical University, Weifang, 261053, China
| | - Changqing Du
- Department of Dentistry, Affiliated Hospital of Weifang Medical University, Weifang, 261035, China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, China
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3
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Gong Z, Peng S, Cao J, Tan H, Zhao H, Bai J. Advances in the variations and biomedical applications of stimuli-responsive nanodrug delivery systems. NANOTECHNOLOGY 2024; 35:132001. [PMID: 38198449 DOI: 10.1088/1361-6528/ad170b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024]
Abstract
Chemotherapy is an important cancer treatment modality, but the clinical utility of chemotherapeutics is limited by their toxic side effects, inadequate distribution and insufficient intracellular concentrations. Nanodrug delivery systems (NDDSs) have shown significant advantages in cancer diagnosis and treatment. Variable NDDSs that respond to endogenous and exogenous triggers have attracted much research interest. Here, we summarized nanomaterials commonly used for tumor therapy, such as peptides, liposomes, and carbon nanotubes, as well as the responses of NDDSs to pH, enzymes, magnetic fields, light, and multiple stimuli. Specifically, well-designed NDDSs can change in size or morphology or rupture when induced by one or more stimuli. The varying responses of NDDSs to stimulation contribute to the molecular design and development of novel NDDSs, providing new ideas for improving drug penetration and accumulation, inhibiting tumor resistance and metastasis, and enhancing immunotherapy.
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Affiliation(s)
- Zhongying Gong
- College of Economics and Management, Qingdao University of Science and Technology, Qingdao 266061, People's Republic of China
| | - Shan Peng
- School of Stomatology, Weifang Medical University, Weifang 261053, People's Republic of China
| | - Juanjuan Cao
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, People's Republic of China
| | - Haining Tan
- National Glycoengineering Research Center, Shandong University, Jinan 250012, People's Republic of China
| | - Hongxia Zhao
- College of Economics and Management, Qingdao University of Science and Technology, Qingdao 266061, People's Republic of China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, People's Republic of China
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4
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Meng F, Zhai X, Ma J, Li A, Wang X, Bai J. Enzyme-Induced Shape-Shifting Peptide Nanocarrier Coloaded with Paclitaxel and Dipyridamole Inhibits Platelet Function and Tumor Metastasis. ACS APPLIED MATERIALS & INTERFACES 2024; 16:166-177. [PMID: 38143309 DOI: 10.1021/acsami.3c13855] [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: 12/26/2023]
Abstract
Tumor-associated platelets can bind to tumor cells and protect circulating tumor cells from NK-mediated immune surveillance. Tumor-associated platelets secrete cytokines to induce the epithelial-mesenchymal transition (EMT) in tumor cells, which promotes tumor metastasis. Combining chemotherapeutic agents with antiplatelet drugs can reduce the occurrence of metastasis, but the systemic application of chemotherapeutic agents and antiplatelet drugs is prone to causing serious side effects. Therefore, delivering drugs to the tumor microthrombus site for long-lasting inhibition is a problem that needs to be addressed. Here, we show that small molecule peptide nanoparticles containing the Cys-Arg-Glu-Lys-Ala (CREKA) peptide can deliver the platelet inhibitor dipyridamole (DIP) and the chemotherapeutic drug paclitaxel (PTX) to tumor tissues, thereby inhibiting tumor-associated platelet function while killing tumor cells. The drug-loaded nanoparticles PD/Pep1 inhibited platelet-tumor cell interactions, were effectively taken up by tumor cells, and underwent morphological transformation induced by alkaline phosphatase (ALP) to prolong the retention time of the drugs. After intravenous injection, PD/Pep1 can target tumors and inhibit tumor metastasis. Thus, this small molecule peptide nanoformulation provides a simple strategy for efficient drug delivery and shows promise as a novel cancer therapy platform.
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Affiliation(s)
- Fanhu Meng
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Xiaoqing Zhai
- School of Clinical Medicine, Weifang Medical University, Weifang 261053, China
| | - Jihong Ma
- School of Clinical Medicine, Weifang Medical University, Weifang 261053, China
| | - Aimei Li
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Xizhen Wang
- Medical Imaging Center, Affiliated Hospital of Weifang Medical University, Weifang 261053, China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
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5
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Yin L, Tang Q, Ke Q, Zhang X, Su J, Zhong H, Fang L. Sequential Anti-Infection and Proangiogenesis of DMOG@ZIF-8/Gelatin-PCL Electrospinning Dressing for Chronic Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48903-48912. [PMID: 37877332 DOI: 10.1021/acsami.3c09584] [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: 10/26/2023]
Abstract
Bacterial infection and insufficient neovascularization are two major obstacles to the healing of chronic wounds. Here, we present an antibacterial and proangiogenic dressing by encapsulating dimethyloxalylglycine (DMOG) in zeolitic imidazolate framework-8 (ZIF-8) and electrospinning it with gelatin-polycaprolactone (Gel-PCL). As Gel-PCL nanofibers degrade, ZIF-8 nanoparticles decompose, sequentially releasing bactericidal zinc ions and angiogenic DMOG molecules. This cascade process matches the wound-healing stages, ensuring suitable bioavailability and an effective duration of the active components while minimizing their side effects. In vitro, zinc ions released from the dressing (2.5% DMOG@ZIF-8) can eliminate over 90% of Escherichia coli and Staphylococcus aureus without compromising fibroblast cell proliferation and adhesion. In vivo, the dressing can heal skin wounds in Staphylococcus aureus-infected diabetic rats within 2 weeks, facilitated by the DMOG molecules discharged from ZIF-8 (loading rate 21.3%). Immunohistochemical analysis confirmed the regulated expression of factors by zinc ions and DMOG molecules. This work provides new insights into the design of multifunctional dressings for the treatment of chronic wounds.
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Affiliation(s)
- Lei Yin
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou Higher Education Mega Center, South China University of Technology, Panyu District, Guangzhou 510006, China
| | - Qiwen Tang
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou Higher Education Mega Center, South China University of Technology, Panyu District, Guangzhou 510006, China
| | - Qi Ke
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou Higher Education Mega Center, South China University of Technology, Panyu District, Guangzhou 510006, China
| | - Xinyi Zhang
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou Higher Education Mega Center, South China University of Technology, Panyu District, Guangzhou 510006, China
| | - Jianyu Su
- China-Singapore International Joint Research Institute, China-Singapore Smart Park, Huangpu District, Guangzhou 510555, China
| | - Hua Zhong
- Department of Orthopaedics, The Fifth Affiliated Hospital, Southern Medical University, Congcheng 566, Conghua District, Guangzhou 510900, China
| | - Liming Fang
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou Higher Education Mega Center, South China University of Technology, Panyu District, Guangzhou 510006, China
- China-Singapore International Joint Research Institute, China-Singapore Smart Park, Huangpu District, Guangzhou 510555, China
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
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6
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Tang Q, Ke Q, Chen Q, Zhang X, Su J, Ning C, Fang L. Flexible, Breathable, and Self-Powered Patch Assembled of Electrospun Polymer Triboelectric Layers and Polypyrrole-Coated Electrode for Infected Chronic Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:17641-17652. [PMID: 37009854 DOI: 10.1021/acsami.3c00500] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Chronic wound healing is often impaired by bacterial infection and weak trans-epithelial potential. Patches with electrical stimulation and bactericidal activity may solve this problem. However, inconvenient power and resistant antibiotics limit their application. Here, we proposed a self-powered and intrinsic bactericidal patch based on a triboelectric nanogenerator (TENG). Electrospun polymer tribo-layers and a chemical vapor-deposited polypyrrole electrode are assembled as the TENG, offering the patch excellent flexibility, breathability, and wettability. Electrical stimulations by harvesting mechanical motions and positive charges on the polypyrrole surface kill over 96% of bacteria due to their synergistic effects on cell membrane disruption. Moreover, the TENG patch promotes infected diabetic rat skin wounds to heal within 2 weeks. Cell culture and animal tests suggest that electrical stimulation enhances gene expression of growth factors for accelerated wound healing. This work provides new insights into the design of wearable and multifunctional electrotherapy devices for chronic wound treatment.
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Affiliation(s)
- Qiwen Tang
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
| | - Qi Ke
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou Higher Education Mega Center, Panyu District, Guangzhou 510006, China
| | - Qi Chen
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Panyu District, Guangzhou 510006, China
| | - Xinyi Zhang
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Panyu District, Guangzhou 510006, China
| | - Jianyu Su
- China-Singapore International Joint Research Institute, China-Singapore Smart Park, Huangpu District, Guangzhou 510555, China
| | - Chengyun Ning
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou Higher Education Mega Center, Panyu District, Guangzhou 510006, China
| | - Liming Fang
- School of Materials Science and Engineering, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
- China-Singapore International Joint Research Institute, China-Singapore Smart Park, Huangpu District, Guangzhou 510555, China
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Wushan 381, Tianhe District, Guangzhou 510641, China
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7
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Sis MJ, Ye Z, La Costa K, Webber MJ. Energy Landscapes of Supramolecular Peptide–Drug Conjugates Directed by Linker Selection and Drug Topology. ACS NANO 2022; 16:9546-9558. [PMID: 35639629 PMCID: PMC10019486 DOI: 10.1021/acsnano.2c02804] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Affiliation(s)
- Matthew J. Sis
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Zhou Ye
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Katherine La Costa
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Matthew J. Webber
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
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8
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9
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Xia L, Tian J, Yue T, Cao H, Chu J, Cai H, Zhang W. Pillar[5]arene-Based Acid-Triggered Supramolecular Porphyrin Photosensitizer for Combating Bacterial Infections and Biofilm Dispersion. Adv Healthc Mater 2022; 11:e2102015. [PMID: 34787954 DOI: 10.1002/adhm.202102015] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 11/04/2021] [Indexed: 12/14/2022]
Abstract
The treatment of pathogenic bacterial infection has long been the most serious threat to human life and attracted widespread attention. Herein, a supramolecular photosensitizer platform based on carboxylatopillar[5]arene (CP5) and tetrafluorophenyl porphyrin functionalized with a quaternary ammonium group (TFPP-QA) for combating bacteria and dispersing biofilm via photodynamic treatment is constructed. By introducing the host macrocycle CP5 and host-guest interaction, the supramolecular photosensitizer has great biocompatibility and acid responsiveness. On the one hand, the acid-triggered dissociation of TFPP-QA/CP5 could induce the porphyrin photosensitizer to target bacterial cells and disrupt the charge balance of bacterial membranes, enhance the permeability of the bacterial membrane. On the other hand, the TFPP-QA/CP5 antibacterial platform possesses superb reactive oxygen species (ROS) generation capability under light irradiation, leading to enhanced photodynamic antibacterial efficacy. The in vitro and in vivo studies show that the supramolecular photosensitizers exhibit high antibacterial efficiency and biofilm dissipation effect under 660 nm light irradiation. Therefore, it is anticipated that the rational design and integration of photosensitizers and quaternary ammonium compounds through the supramolecular strategy would provide a promising prospect for clinical photodynamic antimicrobial therapy.
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Affiliation(s)
- Lei Xia
- Shanghai Key Laboratory of Functional Materials Chemistry East China University of Science and Technology Shanghai 200237 China
| | - Jia Tian
- Shanghai Key Laboratory of Functional Materials Chemistry East China University of Science and Technology Shanghai 200237 China
| | - Tao Yue
- Shanghai Key Laboratory of Functional Materials Chemistry East China University of Science and Technology Shanghai 200237 China
| | - Hongliang Cao
- Shanghai Key Laboratory of Functional Materials Chemistry East China University of Science and Technology Shanghai 200237 China
| | - Ju Chu
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai 200237 China
| | - Haibo Cai
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai 200237 China
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry East China University of Science and Technology Shanghai 200237 China
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Gong Z, Zhou B, Liu X, Cao J, Hong Z, Wang J, Sun X, Yuan X, Tan H, Ji H, Bai J. Enzyme-Induced Transformable Peptide Nanocarriers with Enhanced Drug Permeability and Retention to Improve Tumor Nanotherapy Efficacy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:55913-55927. [PMID: 34784165 DOI: 10.1021/acsami.1c17917] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Temporal persistence is as important for nanocarriers as spatial accuracy. However, because of the insufficient aggreagtion and short retention time of chemotherapy drugs in tumors, their clinical application is greatly limited. A drug delivery approach dependent on the sensitivity to an enzyme present in the microenvironment of the tumor is designed to exhibit different sizes in different sites, achieving enhanced drug permeability and retention to improve tumor nanotherapy efficacy. In this work, we report a small-molecule peptide drug delivery system containing both tumor-targeting groups and enzyme response sites. This system enables the targeted delivery of peptide nanocarriers to tumor cells and a unique response to alkaline phosphatase (ALP) in the tumor microenvironment to activate morphological transformation and drug release. The amphiphilic peptide AYR self-aggregated into a spherical nanoparticle structure after encapsulating the lipid-soluble model drug doxorubicin (DOX) and rapidly converted to nanofibers via the induction of ALP. This morphological transformation toward a high aspect ratio allowed rapid, as well as effective drug release to tumor location while enhancing specific toxicity to tumor cells. Interestingly, this "transformer"-like drug delivery strategy can enhance local drug accumulation and effectively inhibit drug efflux. In vitro along with in vivo experiments further proved that the permeability and retention of antitumor drugs in tumor cells and tissues were significantly enhanced to reduce toxic side effects, and the therapeutic effect was remarkably improved compared with that of nondeformable drug-loaded peptide nanocarriers. The developed AYR nanoparticles with the ability to undergo morphological transformation in situ can improve local drug aggregation and retention time at the tumor site. Our findings provide a new and simple method for nanocarrier morphology transformation in novel cancer treatments.
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Affiliation(s)
- Zhongying Gong
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Baolong Zhou
- School of Pharmacy, Weifang Medical University, Weifang 261053, China
| | - Xiaoying Liu
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Juanjuan Cao
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Zexin Hong
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Jingye Wang
- Department of Pathology, Weifang Maternal and Child Health Hospital, Weifang 261000, China
| | - Xirui Sun
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Xiaomeng Yuan
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Haining Tan
- National Glycoengineering Research Center, Shandong University, Jinan 250012, China
| | - Hongjie Ji
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
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11
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Hong Z, Sun X, Sun X, Cao J, Yang Z, Pan Z, Yu T, Dong J, Zhou B, Bai J. Enzyme-induced morphological transformation of drug carriers: Implications for cytotoxicity and the retention time of antitumor agents. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 129:112389. [PMID: 34579908 DOI: 10.1016/j.msec.2021.112389] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/18/2021] [Accepted: 08/20/2021] [Indexed: 02/09/2023]
Abstract
Nanocarriers have been widely employed to deliver chemotherapeutic drugs for cancer treatment. However, the insufficient accumulation of nanoparticles in tumors is an important reason for the poor efficacy of nanodrugs. In this study, a novel drug delivery system with a self-assembled amphiphilic peptide was designed to respond specifically to alkaline phosphatase (ALP), a protease overexpressed in cancer cells. The amphiphilic peptide self-assembled into spherical and fibrous nanostructures, and it easily assembled into spherical drug-loaded peptide nanoparticles after loading of a hydrophobic chemotherapeutic drug. The cytotoxicity of the drug carriers was enhanced against tumor cells over time. These spherical nanoparticles transformed into nanofibers under the induction of ALP, leading to efficient release of the encapsulated drug. This drug delivery strategy relying on responsiveness to an enzyme present in the tumor microenvironment can enhance local drug accumulation at the tumor site. The results of live animal imaging showed that the residence time of the morphologically transformable drug-loaded peptide nanoparticles at the tumor site was prolonged in vivo, confirming their potential use in antitumor therapy. These findings can contribute to a better understanding of the influence of drug carrier morphology on intracellular retention.
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Affiliation(s)
- Zexin Hong
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Xirui Sun
- Department of Oncology, Weifang Medical University, Weifang 261053, China
| | - Xiumei Sun
- Department of Oncology, Weifang Medical University, Weifang 261053, China
| | - Juanjuan Cao
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Zhengqiang Yang
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, China
| | - Zhifang Pan
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Tao Yu
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Jinhua Dong
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Baolong Zhou
- School of Pharmacy, Weifang Medical University, Weifang 261053, China.
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China.
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12
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Zhao C, Chen H, Wang F, Zhang X. Amphiphilic self-assembly peptides: Rational strategies to design and delivery for drugs in biomedical applications. Colloids Surf B Biointerfaces 2021; 208:112040. [PMID: 34425532 DOI: 10.1016/j.colsurfb.2021.112040] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/21/2021] [Accepted: 08/12/2021] [Indexed: 01/01/2023]
Abstract
Amphiphilic self-assembling peptides are widely used in tissue and cell engineering, antimicrobials, drug-delivery systems and other biomedical fields due to their good biocompatibility, functionality, flexibility of design and synthesis, and tremendous potential as delivery carriers for drugs. Currently, the design and study of amphipathic peptides by a bottom-up method to develop new biomedical materials have become a hot topic. However, defined rules have not been established for the design and development of self-assembled peptides. Therefore, the focus of this review is to summarize and provide several rational strategies for the design and study of amphiphilic self-assembly peptides. In addition, this paper also describes the types and general self-assembling mechanism of amphipathic peptides, and outlines their applications in the delivery of hydrophobic drugs, nucleic acid drugs, peptide drugs and vaccines. Amphiphilic self-assembled peptides are expected to exploit new functional materials for drug delivery and other applications.
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Affiliation(s)
- Chunqian Zhao
- Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate-based Medicine, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, People's Republic of China.
| | - Hongyuan Chen
- Department of General Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong University, Jinan, 250021, People's Republic of China.
| | - Fengshan Wang
- Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate-based Medicine, Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, People's Republic of China.
| | - Xinke Zhang
- Key Laboratory of Chemical Biology (Ministry of Education), Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, 250012, People's Republic of China.
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13
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Gong Z, Liu X, Zhou B, Wang G, Guan X, Xu Y, Zhang J, Hong Z, Cao J, Sun X, Gao Z, Lu H, Pan X, Bai J. Tumor acidic microenvironment-induced drug release of RGD peptide nanoparticles for cellular uptake and cancer therapy. Colloids Surf B Biointerfaces 2021; 202:111673. [PMID: 33714186 DOI: 10.1016/j.colsurfb.2021.111673] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 01/13/2021] [Accepted: 03/02/2021] [Indexed: 12/24/2022]
Abstract
Spatial accuracy is crucial in drug delivery, especially to increase the efficacy and reduce the side effects of antitumor drugs. In this study, we developed a simple and broadly applicable strategy in which a target peptide ligand was introduced to construct a pH-responsive drug-loading system to achieve targeted delivery and drug release in lesions. In addition to reaching the tumor tissue through passive targeting modalities such as the enhanced permeability and retention (EPR) effect, active targeting nanoparticles used RGD motifs coupled to nanocarriers to specifically bind certain integrins, such as ανβ3, which is expressed on the surface of tumor cells, to achieve active tumor cell targeting. Self-assembling peptides have significant advantages in their structural design. The amphiphilic peptide LKR could form a spherical and self-assembled nanoparticle, which encapsulated the fat-soluble antitumor drug doxorubicin (Dox) in neutral medium. The Dox-encapsulating peptide nanoparticles swelled and burst, rapidly releasing Dox in an acidic microenvironment. Flow cytometry and fluorescence detection showed that the self-assembled LKR nanoparticles enhanced the drug accumulation in tumor cells compared with normal mammalian cells. The Dox-encapsulating peptide nanoparticles exhibited desirable antitumor effects in vivo. In summary, the acidic microenvironment of tumors was used to induce drug release from a targeted peptide drug-loading system to enhance cellular uptake and therapeutic effects in situ, providing a promising therapeutic approach for the treatment of major diseases such as hepatoma.
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Affiliation(s)
- Zhongying Gong
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Xiaoying Liu
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Baolong Zhou
- School of Pharmacy, Weifang Medical University, Weifang, 261053, PR China
| | - Guohui Wang
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China.
| | - Xiuwen Guan
- School of Pharmacy, Weifang Medical University, Weifang, 261053, PR China
| | - Ying Xu
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Juanjuan Zhang
- Department of Oral Biology, Wei Fang Medical University, Weifang, 261053, PR China
| | - Zexin Hong
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Juanjuan Cao
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Xirui Sun
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Zhiqin Gao
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Haozheng Lu
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China
| | - Xingliang Pan
- Microbiology Laboratory, Beijing General Station of Animal Husbandry, Beijing, 100107, PR China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang, 261053, PR China.
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14
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Chen J, Zhao Y, Yao Q, Gao Y. Pathological environment directed in situ peptidic supramolecular assemblies for nanomedicines. Biomed Mater 2021; 16:022011. [PMID: 33630754 DOI: 10.1088/1748-605x/abc2e9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Peptidic self-assembly provides a powerful method to build biomedical materials with integrated functions. In particular, pathological environment instructed peptidic supramolecular have gained great progress in treating various diseases. Typically, certain pathology related factors convert hydrophilic precursors to corresponding more hydrophobic motifs to assemble into supramolecular structures. Herein, we would like to review the recent progress of nanomedicines based on the development of instructed self-assembly against several specific disease models. Firstly we introduce the cancer instructed self-assembly. These assemblies have exhibited great inhibition efficacy, as well as enhanced imaging contrast, against cancer models both in vitro and in vivo. Then we discuss the infection instructed peptidic self-assembly. A number of different molecular designs have demonstrated the potential antibacterial application with satisfied efficiency for peptidic supramolecular assemblies. Further, we discuss the application of instructed peptidic self-assembly for other diseases including neurodegenerative disease and vaccine. The assemblies have succeeded in down-regulating abnormal Aβ aggregates and immunotherapy. In summary, the self-assembly precursors are typical two-component molecules with (1) a self-assembling motif and (2) a cleavable trigger responsive to the pathological environment. Upon cleavage, the self-assembly occurs selectively in pathological loci whose targeting capability is independent from active targeting. Bearing the novel targeting regime, we envision that the pathological conditions instructed peptidic self-assembly will lead a paradigm shift on biomedical materials.
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Affiliation(s)
- Jiali Chen
- CAS Center of Excellence for Nanoscience, Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yan Zhao
- CAS Center of Excellence for Nanoscience, Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Qingxin Yao
- CAS Center of Excellence for Nanoscience, Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yuan Gao
- CAS Center of Excellence for Nanoscience, Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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15
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Ouyang R, Cao P, Jia P, Wang H, Zong T, Dai C, Yuan J, Li Y, Sun D, Guo N, Miao Y, Zhou S. Bistratal Au@Bi 2S 3 nanobones for excellent NIR-triggered/multimodal imaging-guided synergistic therapy for liver cancer. Bioact Mater 2021; 6:386-403. [PMID: 32954056 PMCID: PMC7481884 DOI: 10.1016/j.bioactmat.2020.08.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/17/2020] [Accepted: 08/26/2020] [Indexed: 12/12/2022] Open
Abstract
To fabricate a highly biocompatible nanoplatform enabling synergistic therapy and real-time imaging, novel Au@Bi2S3 core shell nanobones (NBs) (Au@Bi2S3 NBs) with Au nanorods as cores were synthesized. The combination of Au nanorods with Bi2S3 film made the Au@Bi2S3 NBs exhibit ultrahigh photothermal (PT) conversion efficiency, remarkable photoacoustic (PA) imaging and high computed tomography (CT) performance; these Au@Bi2S3 NBs thus are a promising nanotheranostic agent for PT/PA/CT imaging. Subsequently, poly(N-vinylpyrrolidone)-modified Au@Bi2S3 NBs (Au@Bi2S3-PVP NBs) were successfully loaded with the anticancer drug doxorubicin (DOX), and a satisfactory pH sensitive release profile was achieved, thus revealing the great potential of Au@Bi2S3-PVP NBs in chemotherapy as a drug carrier to deliver DOX into cancer cells. Both in vitro and in vivo investigations demonstrated that the Au@Bi2S3-PVP NBs possessed multiple desired features for cancer therapy, including extremely low toxicity, good biocompatibility, high drug loading ability, precise tumor targeting and effective accumulation. Highly efficient ablation of the human liver cancer cell HepG2 was achieved through Au@Bi2S3-PVP NB-mediated photothermal therapy (PTT). As both a contrast enhancement probe and therapeutic agent, Au@Bi2S3-PVP NBs provided outstanding NIR-triggered multi-modal PT/PA/CT imaging-guided PTT and effectively inhibited the growth of HepG2 liver cancer cells via synergistic chemo/PT therapy.
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Affiliation(s)
- Ruizhuo Ouyang
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Penghui Cao
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Pengpeng Jia
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Hui Wang
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Tianyu Zong
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Chenyu Dai
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Jie Yuan
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Yuhao Li
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Dong Sun
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453007, China
| | - Ning Guo
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Yuqing Miao
- Institute of Bismuth Science, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Shuang Zhou
- Cancer Institute, Tongji University School of Medicine, Shanghai, 200092, China
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16
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Yang Y, Zeng W, Huang P, Zeng X, Mei L. Smart materials for drug delivery and cancer therapy. VIEW 2020. [DOI: 10.1002/viw.20200042] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Yao Yang
- Institute of Pharmaceutics School of Pharmaceutical Sciences (Shenzhen) Sun Yat‐sen University Shenzhen China
| | - Weiwei Zeng
- Institute of Pharmaceutics School of Pharmaceutical Sciences (Shenzhen) Sun Yat‐sen University Shenzhen China
| | - Ping Huang
- Institute of Pharmaceutics School of Pharmaceutical Sciences (Shenzhen) Sun Yat‐sen University Shenzhen China
| | - Xiaowei Zeng
- Institute of Pharmaceutics School of Pharmaceutical Sciences (Shenzhen) Sun Yat‐sen University Shenzhen China
| | - Lin Mei
- Institute of Pharmaceutics School of Pharmaceutical Sciences (Shenzhen) Sun Yat‐sen University Shenzhen China
- Tianjin Key Laboratory of Biomedical Materials Key Laboratory of Biomaterials and Nanotechnology for Cancer Immunotherapy Institute of Biomedical Engineering Chinese Academy of Medical Sciences & Peking Union Medical College Tianjin China
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17
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Das AK, Gavel PK. Low molecular weight self-assembling peptide-based materials for cell culture, antimicrobial, anti-inflammatory, wound healing, anticancer, drug delivery, bioimaging and 3D bioprinting applications. SOFT MATTER 2020; 16:10065-10095. [PMID: 33073836 DOI: 10.1039/d0sm01136c] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this review, we have focused on the design and development of low molecular weight self-assembling peptide-based materials for various applications including cell proliferation, tissue engineering, antibacterial, antifungal, anti-inflammatory, anticancer, wound healing, drug delivery, bioimaging and 3D bioprinting. The first part of the review describes about stimuli and various noncovalent interactions, which are the key components of various self-assembly processes for the construction of organized structures. Subsequently, the chemical functionalization of the peptides has been discussed, which is required for the designing of self-assembling peptide-based soft materials. Various low molecular weight self-assembling peptides have been discussed to explain the important structural features for the construction of defined functional nanostructures. Finally, we have discussed various examples of low molecular weight self-assembling peptide-based materials for cell culture, antimicrobial, anti-inflammatory, anticancer, wound healing, drug delivery, bioimaging and 3D bioprinting applications.
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Affiliation(s)
- Apurba K Das
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India.
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18
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Xu L, Wang Y, Zhu C, Ren S, Shao Y, Wu L, Li W, Jia X, Hu R, Chen R, Chen Z. Morphological transformation enhances Tumor Retention by Regulating the Self-assembly of Doxorubicin-peptide Conjugates. Theranostics 2020; 10:8162-8178. [PMID: 32724464 PMCID: PMC7381745 DOI: 10.7150/thno.45088] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022] Open
Abstract
Rationale: Both spatial accuracy and temporal persistence are crucial in drug delivery, especially for anti-tumor intravenous nanomedicines, which have limited persistence due to their small particle sizes and easy removal from tumors. The present study takes advantage of morphological transformation strategy to regulate intravenous nanomedicines to display different sizes in different areas, achieving high efficient enrichment and long retention in lesions. Methods: We designed and synthesized functional doxorubicin-peptide conjugate nanoparticles (FDPC-NPs) consisting of self-assembled doxorubicin-peptide conjugates (DPCs) and an acidic-responsive shielding layer named the functional polylysine graft (FPG), which can regulate the assembly morphology of the DPCs from spherical DPC nanoparticles (DPC-NPs) to DPC-nanofibers (DPC-NFs) by preventing the assembly force from π-π stacking and hydrogen bond between the DPC-NPs. The morphology transformation and particle changes of FDPC-NPs in different environments were determined with DLS, TEM and SEM. We used FRET to explore the enhanced retention effect of FDPC-NPs in tumor site in vivo. HPLC-MS/MS analytical method was established to analyze the biodistribution of FDPC-NPs in H22 hepatoma xenograft mouse model. Finally, the antitumor effect and safety of FDPC-NPs was evaluated. Results: The FDPC-NPs were stable in blood circulation and responsively self-assembled into DPC-NFs when the FDPC-NPs underwent the acid-sensitive separation of the shielding layer in a mildly acidic microenvironment. The FDPC-NPs maintained a uniform spherical size of 80 nm and exhibited good morphological stability in neutral aqueous solution (pH 7.4) but aggregated into a long necklace-like chain structure or a crosslinked fiber structure over time in a weakly acidic solution (pH 6.5). These acidity-triggered transformable FDPC-NPs prolonged the accumulation in tumor tissue for more than 5 days after a single injection and improved the relative uptake rate of doxorubicin in tumors 31-fold. As a result, FDPC-NPs exhibited a preferable anti-tumor efficacy and a reduced side effect in vivo compared with free DOX solution and DOX liposomes. Conclusions: Morphology-transformable FDPC-NPs represent a promising therapeutic approach for prolonging the residence time of drugs at the target site to reduce side effect and enhance therapeutic efficacy. Our studies provide a new and simple idea for the design of long-term delivery systems for intravenous chemotherapeutic drugs.
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Affiliation(s)
- Liu Xu
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yutong Wang
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Chenqi Zhu
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Department of Pharmacy, the Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou 215002, China
| | - Shujing Ren
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yurou Shao
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Li Wu
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Weidong Li
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xiaobin Jia
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Rongfeng Hu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, People's Republic of China
| | - Rui Chen
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Zhipeng Chen
- College of pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
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19
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Lu L, Morrison D, Unsworth LD. A controlled nucleation and formation rate of self-assembled peptide nanofibers. NANOSCALE 2020; 12:8133-8138. [PMID: 32236237 DOI: 10.1039/d0nr02006k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Self-assembling peptide matrixes are powerful platforms for encouraging tissue regeneration, but are usually formed within seconds and remain relatively static in both structure and function throughout their application. For the first time, we have shown that it is possible to extend the time it takes for peptide self-assembly so as to allow for the dynamic building of a self-assembled system over days, in the presence of an enzyme. Specifically, K5 and K10 sequences were conjugated, via a thrombin-specific cleavage domain NleTPR/SFL, to prevent the nanofiber formation and form stable nanoparticles composed of (RADA)4-GG-NleTPR/SFL-K5 and (RADA)4-GG-NleTPR/SFL-K10 that act as nucleation sites for reassembling. Upon introduction of thrombin, a model enzyme, this system showed an extremely slow rate of nanofiber formation in a parallel direction that is in sharp contrast to the well-known rapid assembly of (RADA)4 systems with random networks. These bioresponsive materials may provide a novel platform for utilizing long-term enzymatic profiles to form new nanofibers within an existing matrix over long therapeutic timeframes.
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Affiliation(s)
- Lei Lu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 611756, China
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20
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Gong Z, Lao J, Gao F, Lin W, Yu T, Zhou B, Dong J, Liu H, Bai J. pH-Triggered geometrical shape switching of a cationic peptide nanoparticle for cellular uptake and drug delivery. Colloids Surf B Biointerfaces 2020; 188:110811. [PMID: 31982793 DOI: 10.1016/j.colsurfb.2020.110811] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 01/15/2020] [Accepted: 01/17/2020] [Indexed: 12/24/2022]
Abstract
The geometry of nanoparticles plays an important role in their performance as drug carriers. However, the pH-triggered geometrical shape switching of a cationic peptide consisting of isoleucine and lysine is seldom reported. In this work, we designed a cationic peptide with acid reactivity that can be loaded with the poorly soluble antitumor drug (doxorubicin (DOX)) to enhance tumor cell uptake and drug delivery. In a weakly acidic environment, a large portion of random coil structures formed, which subsequently led to nanoparticle destruction and rapid DOX release. In vitro studies demonstrated that this cationic peptide exhibits low toxicity to normal cells. The amount of DOX-encapsulating peptide nanoparticles taken up by tumor cells was greater than that taken up by normal cells. Our results indicated that the use of a weakly acidic microenvironment to induce geometric shape switching in drug-loaded peptide nanoparticles should be a promising strategy for antitumor drug delivery.
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Affiliation(s)
- Zhongying Gong
- School of Bioscience and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China
| | - Jun Lao
- School of Biology and Food Engineering, Jilin Institute of Chemical Technology, 45 Chengde Street, Jilin, 132022, China
| | - Feng Gao
- AnoRectal Surgery, Weifang People's Hospital, 151 Guangwen Street, Weifang, 261041, China
| | - Weiping Lin
- School of Bioscience and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China
| | - Tao Yu
- School of Bioscience and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China
| | - Baolong Zhou
- School of Pharmacy, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China
| | - Jinhua Dong
- School of Bioscience and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China
| | - Hao Liu
- School of Bioscience and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, 7166 Baotong West Street, Weifang, 261042, China.
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21
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Zennifer A, Sekar MP, Subramanian A, Sethuraman S. Nanofiber matrices of protein mimetic bioactive peptides for biomedical applications. ARTIFICIAL PROTEIN AND PEPTIDE NANOFIBERS 2020:199-217. [DOI: 10.1016/b978-0-08-102850-6.00009-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
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