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Zheng Y, Chi J, Ou J, Jiang L, Wang L, Luo R, Yan Y, Xu Z, Peng T, Cai J, Wu C, Teng P, Quan G, Lu C. Antibacterial Agents and Adjuvants against Pseudomonas Aeruginosa Infections. Adv Healthc Mater 2024:e2400664. [PMID: 39039988 DOI: 10.1002/adhm.202400664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 06/21/2024] [Indexed: 07/24/2024]
Abstract
The development of narrow-spectrum antimicrobial agents is paramount for swiftly eradicating pathogenic bacteria, mitigating the onset of drug resistance, and preserving the homeostasis of bacterial microbiota in tissues. Owing to the limited affinity between the hydrophobic lipid bilayer interior of bacterial cells and most hydrophilic, polar peptides, the construction of a distinctive class of four-armed host-defense peptides/peptidomimetics (HDPs) is proposed with enhanced specificity and membrane perturbation capability against Pseudomonas aeruginosa by incorporating imidazole groups. These groups demonstrate substantial affinity for unsaturated phospholipids, which are predominantly expressed in the cell membrane of P. aeruginosa, thereby enabling HDPs to exhibit narrow-spectrum activity against this bacterium. Computational simulations and experimental investigations have corroborated that the imidazole-rich, four-armed peptidomimetics exhibit notable selectivity toward bacteria over mammalian cells. Among them, 4H10, characterized by its abundant and densely distributed imidazole groups, exhibits impressive activity against various clinically isolated P. aeruginosa strains. Moreover, 4H10 has demonstrated potential as an antibiotic adjuvant, enhancing doxycycline accumulation and exerting effects on intracellular targets by efficiently disrupting bacterial cell membranes. Consequently, the hydrogel composed of 4H10 and doxycycline emerged as a promising topical agent, significantly diminishing the skin P. aeruginosa burden by 97.1% within 2 days while inducing minimal local and systemic toxicity.
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Affiliation(s)
- Yuwei Zheng
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Jiaying Chi
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Jiayu Ou
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Ling Jiang
- Department of Pharmacy, Shantou University Medical College, Shantou, 515041, China
| | - Liqing Wang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Rui Luo
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Yilang Yan
- Department of Pharmacy, Shantou University Medical College, Shantou, 515041, China
| | - Zejun Xu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Tingting Peng
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, Tampa, FL, 33620, USA
| | - Chuanbin Wu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Peng Teng
- National Key Laboratory of Advanced Drug Delivery and Release Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Guilan Quan
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
| | - Chao Lu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou, 511436, China
- College of Pharmacy, Jinan University, Guangzhou, 511436, China
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2
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Shao H, Zhou J, Lin X, Zhou Y, Xue Y, Hong W, Lin X, Jia X, Fan Y. Bio-inspired peptide-conjugated liposomes for enhanced planktonic bacteria killing and biofilm eradication. Biomaterials 2023; 300:122183. [PMID: 37302278 DOI: 10.1016/j.biomaterials.2023.122183] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 05/15/2023] [Accepted: 05/29/2023] [Indexed: 06/13/2023]
Abstract
Developing new antimicrobial agents has become an urgent task to address the increasing prevalence of multidrug-resistant pathogens and the emergence of biofilms. Cationic antimicrobial peptides (AMPs) have been regarded as promising candidates due to their unique non-specific membrane rupture mechanism. However, a series of problems with the peptides hindered their practical application due to their high toxicity and low bioactivity and stability. Here, inspired by broadening the application of cell-penetrating peptides (CPPs), we selected five different sequences of cationic peptides which are considered as both CPPs and AMPs, and developed a biomimetic strategy to construct cationic peptide-conjugated liposomes with the virus-like structure for both enhancements of antibacterial efficacy and biosafety. The correlation between available peptide density/peptide variety and antimicrobial capabilities was evaluated from quantitative perspectives. Computational simulation and experimental investigations assisted to identify the optimal peptide-conjugated liposomes and revealed that the designed system provides high charge density for enhanced anionic bacterial membrane binding capability without compromised cytotoxicity, being capable of enhanced antibacterial efficacy of bacteria/biofilm of clinically important pathogens. The bio-inspired design has shown enhanced therapeutic efficiency of peptides and may promote the development of next-generation antimicrobials.
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Affiliation(s)
- Hui Shao
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China
| | - Jin Zhou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China.
| | - Xiaoqian Lin
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China
| | - Yue Zhou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China
| | - Yumeng Xue
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China
| | - Weili Hong
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China
| | - Xubo Lin
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China
| | - Xiaoling Jia
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China.
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, And with the School of Engineering Medicine, Beihang University, Beijing, 100083, China.
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3
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Jiang L, Huang H, Shi X, Wu J, Ye J, Xu Q, Fang S, Wu C, Luo R, Lu C, Liu D. Biocontrol Microneedle Patch: A Promising Agent for Protecting Citrus Fruits from Postharvest Infection. Pharmaceutics 2023; 15:pharmaceutics15041219. [PMID: 37111704 PMCID: PMC10142349 DOI: 10.3390/pharmaceutics15041219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
With increasing human awareness of food safety, the replacement of highly toxic pesticides with biocompatible antimicrobials has become a trend. This study proposes a biocontrol microneedle (BMN) to expand the application of the food-grade preservative epsilon-poly-L-lysine (ε-PL) in fruit preservatives by utilizing a dissolving microneedle system. The macromolecular polymer ε-PL not only possesses broad-spectrum antimicrobial activity but also exhibits good mechanical properties. With the addition of a small amount of polyvinyl alcohol, the mechanical strength of the ε-PL-based microneedle patch could be further improved to achieve an enhanced failure force of needles at 1.6 N/needle and induce an approximately 96% insertion rate in citrus fruit pericarps. An ex vivo insertion test revealed that the microneedle tips could be effectively inserted into the citrus fruit pericarp, rapidly dissolve within 3 min, and produce inconspicuous needle holes. Moreover, the high drug loading capacity of BMN was observed to reach approximately 1890 μg/patch, which is essential for enhancing the concentration-dependent antifungal activity of ε-PL. The drug distribution study has confirmed the feasibility of mediating the local diffusion of EPL in the pericarp through BMN. Therefore, BMN has great potential to reduce the incidence of invasive fungal infections in local areas of citrus fruit pericarp.
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Affiliation(s)
- Ling Jiang
- Department of Pharmacy, Shantou University Medical College, Shantou 515041, China
- College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Huan Huang
- Department of Pharmacy, Shantou University Medical College, Shantou 515041, China
| | - Xingyu Shi
- Department of Pharmacy, Shantou University Medical College, Shantou 515041, China
| | - Jian Wu
- Shantou Central Hospital, Shantou 515041, China
| | - Juexian Ye
- Department of Pharmacy, Shantou University Medical College, Shantou 515041, China
| | - Qian Xu
- Department of Pharmacy, Shantou University Medical College, Shantou 515041, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, China
| | - Shaobin Fang
- The Second Affiliated Hospital of Shantou University Medical College, Shantou 515000, China
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Rui Luo
- College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Chao Lu
- College of Pharmacy, Jinan University, Guangzhou 511436, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, China
| | - Daojun Liu
- Department of Pharmacy, Shantou University Medical College, Shantou 515041, China
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Liu L, Zhao W, Ma Q, Gao Y, Wang W, Zhang X, Dong Y, Zhang T, Liang Y, Han S, Cao J, Wang X, Sun W, Ma H, Sun Y. Functional nano-systems for transdermal drug delivery and skin therapy. NANOSCALE ADVANCES 2023; 5:1527-1558. [PMID: 36926556 PMCID: PMC10012846 DOI: 10.1039/d2na00530a] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/27/2022] [Indexed: 06/18/2023]
Abstract
Transdermal drug delivery is one of the least intrusive and patient-friendly ways for therapeutic agent administration. Recently, functional nano-systems have been demonstrated as one of the most promising strategies to treat skin diseases by improving drug penetration across the skin barrier and achieving therapeutically effective drug concentrations in the target cutaneous tissues. Here, a brief review of functional nano-systems for promoting transdermal drug delivery is presented. The fundamentals of transdermal delivery, including skin biology and penetration routes, are introduced. The characteristics of functional nano-systems for facilitating transdermal drug delivery are elucidated. Moreover, the fabrication of various types of functional transdermal nano-systems is systematically presented. Multiple techniques for evaluating the transdermal capacities of nano-systems are illustrated. Finally, the advances in the applications of functional transdermal nano-systems for treating different skin diseases are summarized.
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Affiliation(s)
- Lijun Liu
- School of Pharmacy, Qingdao University Qingdao 266071 China
- The Shandong Consortium in the Yellow River Basin for Prevention, Treatment and Drug Development for Primary Diseases Related to Alcoholism, Qingdao University Qingdao 266021 China
| | - Wenbin Zhao
- School of Pharmacy, Qingdao University Qingdao 266071 China
- The Shandong Consortium in the Yellow River Basin for Prevention, Treatment and Drug Development for Primary Diseases Related to Alcoholism, Qingdao University Qingdao 266021 China
| | - Qingming Ma
- School of Pharmacy, Qingdao University Qingdao 266071 China
- The Shandong Consortium in the Yellow River Basin for Prevention, Treatment and Drug Development for Primary Diseases Related to Alcoholism, Qingdao University Qingdao 266021 China
| | - Yang Gao
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Weijiang Wang
- School of Pharmacy, Qingdao University Qingdao 266071 China
- The Shandong Consortium in the Yellow River Basin for Prevention, Treatment and Drug Development for Primary Diseases Related to Alcoholism, Qingdao University Qingdao 266021 China
| | - Xuan Zhang
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Yunxia Dong
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Tingting Zhang
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Yan Liang
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Shangcong Han
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Jie Cao
- School of Pharmacy, Qingdao University Qingdao 266071 China
| | - Xinyu Wang
- Institute of Thermal Science and Technology, Shandong University Jinan 250061 China
| | - Wentao Sun
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences Qingdao 266113 China
| | - Haifeng Ma
- Department of Geriatrics, Zibo Municipal Hospital Zibo 255400 China
| | - Yong Sun
- School of Pharmacy, Qingdao University Qingdao 266071 China
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5
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Wu X, Wei Z, Feng H, Chen H, Xie J, Huang Y, Wang M, Yao C, Huang J. Targeting Effect of Betulinic Acid Liposome Modified by Hyaluronic Acid on Hepatoma Cells In Vitro. J Pharm Sci 2022; 111:3047-3053. [PMID: 35779664 DOI: 10.1016/j.xphs.2022.06.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/16/2022] [Accepted: 06/17/2022] [Indexed: 12/14/2022]
Abstract
Betulinic acid (BA) is a natural pentacyclic triterpenoid with broad-spectrum anticancer activity, which has great development potential as an anti-cancer drug. In this study, a novel hyaluronic acid (HA)-modified BA liposome (BA-L) was developed for use in targeted liver cancer therapy. The size, polymer dispersity index (PDI), zeta potential, and entrapment efficiency were measured. Cell viability, cell migration and clonogenicity, cellular uptake, immunohistochemistry of CD44, and protein expression of ROCK1/IP3/RAS were also investigated. BA, BA-L, and HA-BA-L had no inhibitory effect on the activity of LO2 normal hepatocytes, but they inhibited the proliferation of HepG2 and SMMC-7721 cells in a dose- and time-dependent manner, with HA-BA-L exhibiting the most prominent inhibitory effect. Compared with the BA-L group, the expression of CD44 in HepG2 cells in the HA-BA-L group was decreased. The results of WB showed that BA, BA-L, and HA-BA-L downregulated the expression of ROCK1, IP3, and RAS in HepG2 cells, and the expression level in the HA-BA-L group was significantly decreased. The easily prepared HA-BA-L was demonstrated to be an excellent CD44-mediated intracellular delivery system capable of targeting effects. Further mechanistic research revealed that the inhibition of HA-BA-L on HepG2 cells may be mediated by blocking the ROCK1/IP3/RAS signaling pathways.
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Affiliation(s)
- Xiaomei Wu
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Zhumei Wei
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Hui Feng
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Hongli Chen
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Jiaxiu Xie
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Yupeng Huang
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Mengyao Wang
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Chanjuan Yao
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China
| | - Jianchun Huang
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Department of Pharmacology, Guangxi Medical University, Nanning 530021, Guangxi, PR China.
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Shih CP, Tang X, Kuo CW, Chueh DY, Chen P. Design principles of bioinspired interfaces for biomedical applications in therapeutics and imaging. Front Chem 2022; 10:990171. [PMID: 36405322 PMCID: PMC9673126 DOI: 10.3389/fchem.2022.990171] [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: 07/09/2022] [Accepted: 09/08/2022] [Indexed: 09/29/2023] Open
Abstract
In the past two decades, we have witnessed rapid developments in nanotechnology, especially in biomedical applications such as drug delivery, biosensing, and bioimaging. The most commonly used nanomaterials in biomedical applications are nanoparticles, which serve as carriers for various therapeutic and contrast reagents. Since nanomaterials are in direct contact with biological samples, biocompatibility is one of the most important issues for the fabrication and synthesis of nanomaterials for biomedical applications. To achieve specific recognition of biomolecules for targeted delivery and biomolecular sensing, it is common practice to engineer the surfaces of nanomaterials with recognition moieties. This mini-review summarizes different approaches for engineering the interfaces of nanomaterials to improve their biocompatibility and specific recognition properties. We also focus on design strategies that mimic biological systems such as cell membranes of red blood cells, leukocytes, platelets, cancer cells, and bacteria.
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Affiliation(s)
- Chun-Pei Shih
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
| | - Xiaofang Tang
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
| | - Chiung Wen Kuo
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
| | - Di-Yen Chueh
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
| | - Peilin Chen
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
- Institute of Physics, Academia Sinica, Taipei, Taiwan
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Jiang W, Wu Y, Zhou M, Song G, Liu R. Advance and Designing Strategies in Polymeric Antifungal Agents Inspired by Membrane‐Active Peptides. Chemistry 2022; 28:e202202226. [DOI: 10.1002/chem.202202226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Weinan Jiang
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai 200237 P. R. China
| | - Yueming Wu
- Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Frontier Science Research Base of Optogenetic Techniques for Cell Metabolism Research Center for Biomedical Materials of Ministry of Education Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 P. R. China
| | - Min Zhou
- Shanghai Key Laboratory of Chemical Biology East China University of Science and Technology Shanghai 200237 P. R. China
| | - Gonghua Song
- Shanghai Key Laboratory of Chemical Biology East China University of Science and Technology Shanghai 200237 P. R. China
| | - Runhui Liu
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai 200237 P. R. China
- Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Frontier Science Research Base of Optogenetic Techniques for Cell Metabolism Research Center for Biomedical Materials of Ministry of Education Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 P. R. China
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8
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Griffith A, Mateen A, Markowitz K, Singer SR, Cugini C, Shimizu E, Wiedman GR, Kumar V. Alternative Antibiotics in Dentistry: Antimicrobial Peptides. Pharmaceutics 2022; 14:1679. [PMID: 36015305 PMCID: PMC9412702 DOI: 10.3390/pharmaceutics14081679] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 01/12/2023] Open
Abstract
The rise of antibiotic resistant bacteria due to overuse and misuse of antibiotics in medicine and dentistry is a growing concern. New approaches are needed to combat antibiotic resistant (AR) bacterial infections. There are a number of methods available and in development to address AR infections. Dentists conventionally use chemicals such as chlorohexidine and calcium hydroxide to kill oral bacteria, with many groups recently developing more biocompatible antimicrobial peptides (AMPs) for use in the oral cavity. AMPs are promising candidates in the treatment of (oral) infections. Also known as host defense peptides, AMPs have been isolated from animals across all kingdoms of life and play an integral role in the innate immunity of both prokaryotic and eukaryotic organisms by responding to pathogens. Despite progress over the last four decades, there are only a few AMPs approved for clinical use. This review summarizes an Introduction to Oral Microbiome and Oral Infections, Traditional Antibiotics and Alternatives & Antimicrobial Peptides. There is a focus on cationic AMP characteristics and mechanisms of actions, and an overview of animal-derived natural and synthetic AMPs, as well as observed microbial resistance.
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Affiliation(s)
- Alexandra Griffith
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Akilah Mateen
- Department of Chemistry and Biochemistry, Seton Hall University, South Orange, NJ 07079, USA
| | - Kenneth Markowitz
- Department of Oral Biology, Rutgers School of Dental Medicine, Newark, NJ 07103, USA
| | - Steven R. Singer
- Department of Diagnostic Sciences, Rutgers School of Dental Medicine, Newark, NJ 07103, USA
| | - Carla Cugini
- Department of Oral Biology, Rutgers School of Dental Medicine, Newark, NJ 07103, USA
| | - Emi Shimizu
- Department of Oral Biology, Rutgers School of Dental Medicine, Newark, NJ 07103, USA
- Department of Endodontics, Rutgers School of Dental Medicine, Newark, NJ 07103, USA
| | - Gregory R. Wiedman
- Department of Chemistry and Biochemistry, Seton Hall University, South Orange, NJ 07079, USA
| | - Vivek Kumar
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
- Department of Endodontics, Rutgers School of Dental Medicine, Newark, NJ 07103, USA
- Department of Biology, New Jersey Institute of Technology, Newark, NJ 07102, USA
- Department of Chemical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA
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9
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Li F, Lin L, Chi J, Wang H, Du M, Feng D, Wang L, Luo R, Chen H, Quan G, Cai J, Pan X, Wu C, Lu C. Guanidinium-rich lipopeptide functionalized bacteria-absorbing sponge as an effective trap-and-kill system for the elimination of focal bacterial infection. Acta Biomater 2022; 148:106-118. [PMID: 35671875 DOI: 10.1016/j.actbio.2022.05.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/30/2022] [Accepted: 05/31/2022] [Indexed: 11/01/2022]
Abstract
Focal bacterial infections are often difficult to treat due to the rapid emergence of antibiotic-resistant bacteria, high risk of relapse, and severe inflammation at local lesions. To address multidrug-resistant skin and soft tissue infections, a bacteria-absorbing sponge was prepared to involve a "trap-and-kill" mechanism. The system describes a guanidinium-rich lipopeptide functionalized lyotropic liquid-crystalline hydrogel with bicontinuous cubic networks. Amphiphilic lipopeptides can be spontaneously anchored to the lipid-water interface, exposing their bacterial targeting sequences to enhance antibacterial trapping/killing activity. Computational simulations supported our structural predictions, and the sponge was confirmed to successfully remove ∼98.8% of the bacteria in the medium. Release and degradation behavior studies indicated that the bacteria-absorbing sponge could degrade, mediate enzyme-responsive lipopeptide release, or generate ∼200 nm lipopeptide nanoparticles with environmental erosion. This implies that the sponge can effectively capture and isolate high concentrations of bacteria at the infected site and then sustainably release antimicrobial lipopeptides into deep tissues for the eradication of residual bacteria. In the animal experiment, we found that the antibacterial performance of the bacterial-absorbing sponge was significant, which demonstrated not only a long-term inhibition effect to disinfect and avoid bacterial rebound, but also a unique advantage to protect tissue from bacterial attack. STATEMENT OF SIGNIFICANCE: Host defense peptides/peptidomimetics (HDPs) have shown potential for the elimination of focal bacterial infections, but the application of their topical formulations suffers from time-consuming preparation processes, indistinctive toxicity reduction effects, and inefficient bacterial capture ability. To explore new avenues for the development of easily prepared, low-toxicity and high-efficiency topical antimicrobials, a guanidinium-rich lipopeptide was encapsulated in a lyotropic liquid-crystalline hydrogel (denoted as "bacteria-absorbing sponge") to achieve complementary superiorities. The superior characteristic of the bacteria-absorbing sponge involves a "trap-and-kill" mechanism, which undergoes not only a long-term inhibition effect to disinfect and avoid bacterial rebound, but also effective bacterial capture and isolating action to confine bacterial diffusion and protect tissues from bacterial attack.
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Affiliation(s)
- Feng Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Liming Lin
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jiaying Chi
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Hui Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Minqun Du
- Guangdong Women and Children Hospital, Guangzhou 511400, China
| | - Disang Feng
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Liqing Wang
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Rui Luo
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Hangping Chen
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Guilan Quan
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Chao Lu
- College of Pharmacy, Jinan University, Guangzhou 511443, China.
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Fu J, Liu T, Feng X, Zhou Y, Chen M, Wang W, Zhao Y, Lu C, Quan G, Cai J, Pan X, Wu C. A Perfect Pair: Stabilized Black Phosphorous Nanosheets Engineering with Antimicrobial Peptides for Robust Multidrug Resistant Bacteria Eradication. Adv Healthc Mater 2022; 11:e2101846. [PMID: 35114076 DOI: 10.1002/adhm.202101846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/27/2021] [Indexed: 11/11/2022]
Abstract
Black phosphorus (BP) nanosheets emerged as promising 2D nanomaterial that have been applied to eradicate antibiotic-resistant bacteria. However, their applications are limited by intrinsic ambient instability. Here, the ε-poly-l-lysine (ε-PL)-engineered BP nanosheets are constructed via simple electrostatic interaction to cater the demand for passivating BP with amplified antibacterial activity. The dual drug-delivery complex named BP@ε-PL can closely anchor onto the surface of bacteria, leading to membrane disintegration. Subsequently, in situ hyperthermia generated by BP under near-infrared (NIR) irradiation can precisely eradicate pathogenic bacteria. In vitro antibacterial studies verify the rapid disinfection ability of BP@ε-PL against Methicillin-resistant Staphylococcus aureus (MRSA) within 15 min. Moreover, ε-PL can serve as an effective protector to avoid chemical degradation of bare BP. The in vivo antibacterial study shows that a 99.4% antibacterial rate in a MRSA skin infection model is achieved, which is accompanied by negligible toxicity. In conclusion, this work not merely provides a new conjecture for protecting the BP, but also opens a novel window for synergistic antibiotic-resistant bacteria therapy based on antimicrobial peptides and 2D photothermal nanomaterial.
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Affiliation(s)
- Jintao Fu
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Ting Liu
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Xiaoqian Feng
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Yixian Zhou
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Minglong Chen
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
- CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China
| | - Wenhao Wang
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Yiting Zhao
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Chao Lu
- College of Pharmacy Jinan University Guangzhou 510632 China
| | - Guilan Quan
- College of Pharmacy Jinan University Guangzhou 510632 China
| | - Jianfeng Cai
- Department of Chemistry University of South Florida Tampa FL 33620 USA
| | - Xin Pan
- School of Pharmaceutical Sciences Sun Yat‐sen University Guangzhou 510006 China
| | - Chuanbin Wu
- College of Pharmacy Jinan University Guangzhou 510632 China
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11
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Titanium carbide MXene-based hybrid hydrogel for chemo-photothermal combinational treatment of localized bacterial infection. Acta Biomater 2022; 142:113-123. [PMID: 35189382 DOI: 10.1016/j.actbio.2022.02.019] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/27/2022] [Accepted: 02/15/2022] [Indexed: 12/16/2022]
Abstract
With the increased emergence and threat of multi-drug resistant microorganisms, MXenes have become not only an emerging class of two-dimensional functional nanomaterials, but also potential nanomedicines (i.e., antimicrobial agents) that deserve further exploration. Very recently, Ti3C2 MXene was observed to offer a unique membrane-disruption effect and superior light-to-heat conversion efficiency, but its antibacterial property remains unsatisfactory due to poor MXene-bacteria interactions, low photothermal therapy efficiency, and occurrence of bacterial rebound in vivo. Herein, the cationic antibiotic ciprofloxacin (Cip) is combined with Ti3C2 MXene, and a hybrid hydrogel was constructed by incorporating Cip-Ti3C2 nanocomposites into the network structure of a Cip-loaded hydrogels to effectively trap and kill bacteria. We found that the Cip-Ti3C2 nanocomposites achieved an impressive in vitro bactericidal efficiency of >99.99999% (7.03 log10) for the inhibition of methicillin-resistant Staphylococcus aureus (MRSA) by combining chemotherapy with photothermal therapy. In an MRSA-induced murine abscess model, the hybrid hydrogel simultaneously achieved high-efficiency sterilization and long-term inhibition effects, avoiding the rebound of bacteria after photothermal therapy, and thus maximized the in vivo therapeutic efficacy of Ti3C2 MXene-based systems. Overall, this work provides a strategy for efficiently combating localized bacterial infection by rationally designing MXene-based hybrid hydrogels. STATEMENT OF SIGNIFICANCE: Two-dimensional Ti3C2 MXene was recently regarded as a promising functional nanomaterial, however, its antibacterial applications are limited by the poor MXene-bacteria interactions, low photothermal therapy efficiency, and the occurrence of bacterial rebound in vivo. This work aims to construct a Ti3C2 MXene-based hybrid hydrogel for chemo-photothermal therapy and enhance the antimicrobial performance via a combination of the high-efficiency sterilization of ciprofloxacin-Ti3C2 nanocomposites with the long-term inhibition effect of ciprofloxacin hydrogel. The present study provides an example of efficient MXene-based antimicrobials to treat localized bacterial infection such as methicillin-resistant Staphylococcus aureus (MRSA)-induced skin abscess.
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12
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Li D, Tang G, Yao H, Zhu Y, Shi C, Fu Q, Yang F, Wang X. Formulation of pH-responsive PEGylated nanoparticles with high drug loading capacity and programmable drug release for enhanced antibacterial activity. Bioact Mater 2022; 16:47-56. [PMID: 35386319 PMCID: PMC8958631 DOI: 10.1016/j.bioactmat.2022.02.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 02/15/2022] [Accepted: 02/15/2022] [Indexed: 12/13/2022] Open
Affiliation(s)
- Dawei Li
- Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100091, China
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Guoke Tang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, 200080, China
| | - Hui Yao
- Department of Orthopedics, Eye Hospital China Academy of Chinese Medical Sciences, Beijing, 100040, China
| | - Yuqi Zhu
- Department of Orthopedics, Eye Hospital China Academy of Chinese Medical Sciences, Beijing, 100040, China
| | - Changgui Shi
- Department of Orthopedics, Second Affiliated Hospital of Naval Medical University, Shanghai, 20003, China
| | - Qiang Fu
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, 200080, China
- Corresponding author.
| | - Fei Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Corresponding author. Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Corresponding author. Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
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13
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Asghar S, Khan IU, Salman S, Khalid SH, Ashfaq R, Vandamme TF. Plant-derived nanotherapeutic systems to counter the overgrowing threat of resistant microbes and biofilms. Adv Drug Deliv Rev 2021; 179:114019. [PMID: 34699940 DOI: 10.1016/j.addr.2021.114019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/03/2021] [Accepted: 10/19/2021] [Indexed: 12/17/2022]
Abstract
Since antiquity, the survival of human civilization has always been threatened by the microbial infections. An alarming surge in the resistant microbial strains against the conventional drugs is quite evident in the preceding years. Furthermore, failure of currently available regimens of antibiotics has been highlighted by the emerging threat of biofilms in the community and hospital settings. Biofilms are complex dynamic composites rich in extracellular polysaccharides and DNA, supporting plethora of symbiotic microbial life forms, that can grow on both living and non-living surfaces. These enforced structures are impervious to the drugs and lead to spread of recurrent and non-treatable infections. There is a strong realization among the scientists and healthcare providers to work out alternative strategies to combat the issue of drug resistance and biofilms. Plants are a traditional but rich source of effective antimicrobials with wider spectrum due to presence of multiple constituents in perfect synergy. Other than the biocompatibility and the safety profile, these phytochemicals have been repeatedly proven to overcome the non-responsiveness of resistant microbes and films via multiple pathways such as blocking the efflux pumps, better penetration across the cell membranes or biofilms, and anti-adhesive properties. However, the unfavorable physicochemical attributes and stability issues of these phytochemicals have hampered their commercialization. These issues of the phytochemicals can be solved by designing suitably constructed nanoscaled structures. Nanosized systems can not only improve the physicochemical features of the encapsulated payloads but can also enhance their pharmacokinetic and therapeutic profile. This review encompasses why and how various types of phytochemicals and their nanosized preparations counter the microbial resistance and the biofouling. We believe that phytochemical in tandem with nanotechnological innovations can be employed to defeat the microbial resistance and biofilms. This review will help in better understanding of the challenges associated with developing such platforms and their future prospects.
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Zhong Y, Wang K, Zhang Y, Yin Q, Li S, Wang J, Zhang X, Han H, Yao K. Ocular Wnt/β-Catenin Pathway Inhibitor XAV939-Loaded Liposomes for Treating Alkali-Burned Corneal Wound and Neovascularization. Front Bioeng Biotechnol 2021; 9:753879. [PMID: 34765592 PMCID: PMC8576519 DOI: 10.3389/fbioe.2021.753879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
Corneal wound involves a series of complex and coordinated physiological processes, leading to persistent epithelial defects and opacification. An obstacle in the treatment of ocular diseases is poor drug delivery and maintenance. In this study, we constructed a Wnt/β-catenin pathway inhibitor, XAV939-loaded liposome (XAV939 NPs), and revealed its anti-inflammatory and antiangiogenic effects. The XAV939 NPs possessed excellent biocompatibility in corneal epithelial cells and mouse corneas. In vitro corneal wound healing assays demonstrated their antiangiogenic effect, and LPS-induced expressions of pro-inflammatory genes of IL-1β, IL-6, and IL-17α were significantly suppressed by XAV939 NPs. In addition, the XAV939 NPs significantly ameliorated alkali-burned corneas with slight corneal opacity, reduced neovascularization, and faster recovery, which were attributed to the decreased gene expressions of angiogenic and inflammatory cytokines. The findings supported the potential of XAV939 NPs in ameliorating corneal wound and suppressing neovascularization, providing evidence for their clinical application in ocular vascular diseases.
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Affiliation(s)
- Yueyang Zhong
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Kai Wang
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yin Zhang
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Qichuan Yin
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Su Li
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jiaming Wang
- The First Affiliated Hospital, School of Public Health, Institute of Translational Medicine, State Key Laboratory of Experimental Hematology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaobo Zhang
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Haijie Han
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ke Yao
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Zhejiang Provincial Key Lab of Ophthalmology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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15
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Lin L, Chi J, Yan Y, Luo R, Feng X, Zheng Y, Xian D, Li X, Quan G, Liu D, Wu C, Lu C, Pan X. Membrane-disruptive peptides/peptidomimetics-based therapeutics: Promising systems to combat bacteria and cancer in the drug-resistant era. Acta Pharm Sin B 2021; 11:2609-2644. [PMID: 34589385 PMCID: PMC8463292 DOI: 10.1016/j.apsb.2021.07.014] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 02/05/2023] Open
Abstract
Membrane-disruptive peptides/peptidomimetics (MDPs) are antimicrobials or anticarcinogens that present a general killing mechanism through the physical disruption of cell membranes, in contrast to conventional chemotherapeutic drugs, which act on precise targets such as DNA or specific enzymes. Owing to their rapid action, broad-spectrum activity, and mechanisms of action that potentially hinder the development of resistance, MDPs have been increasingly considered as future therapeutics in the drug-resistant era. Recently, growing experimental evidence has demonstrated that MDPs can also be utilized as adjuvants to enhance the therapeutic effects of other agents. In this review, we evaluate the literature around the broad-spectrum antimicrobial properties and anticancer activity of MDPs, and summarize the current development and mechanisms of MDPs alone or in combination with other agents. Notably, this review highlights recent advances in the design of various MDP-based drug delivery systems that can improve the therapeutic effect of MDPs, minimize side effects, and promote the co-delivery of multiple chemotherapeutics, for more efficient antimicrobial and anticancer therapy.
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Affiliation(s)
- Liming Lin
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Jiaying Chi
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Yilang Yan
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Rui Luo
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Xiaoqian Feng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Yuwei Zheng
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Dongyi Xian
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Xin Li
- The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Guilan Quan
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Daojun Liu
- Shantou University Medical College, Shantou 515041, China
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Chao Lu
- College of Pharmacy, Jinan University, Guangzhou 511443, China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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16
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Dey R, Mukherjee S, Barman S, Haldar J. Macromolecular Nanotherapeutics and Antibiotic Adjuvants to Tackle Bacterial and Fungal Infections. Macromol Biosci 2021; 21:e2100182. [PMID: 34351064 DOI: 10.1002/mabi.202100182] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/13/2021] [Indexed: 12/19/2022]
Abstract
The escalating rise in the population of multidrug-resistant (MDR) pathogens coupled with their biofilm forming ability has struck the global health as nightmare. Alongwith the threat of aforementioned menace, the sluggish development of new antibiotics and the continuous deterioration of the antibiotic pipeline has stimulated the scientific community toward the search of smart and innovative alternatives. In near future, membrane targeting antimicrobial polymers, inspired from antimicrobial peptides, can stand out significantly to combat against the MDR superbugs. Many of these amphiphilic polymers can form nanoaggregates through self-assembly with superior and selective antimicrobial efficacy. Additionally, these macromolecular nanoaggregrates can be utilized to engineer smart antibiotic-delivery system for on-demand drug-release, exploiting the infection site's micoenvironment. This strategy substantially increases the local concentration of antibiotics and reduces the associated off-target toxicity. Furthermore, amphiphilc macromolecules can be utilized to rejuvinate obsolete antibiotics to tackle the drug-resistant infections. This review article highlights the recent developments in macromolecular architecture to design numerous nanostructures with broad-spectrum antimicrobial activity, their application in fabricating smart drug delivery systems and their efficacy as antibiotic adjuvants to circumvent antimicrobial resistance. Finally, the current challenges and future prospects are briefly discussed for further exploration and their practical application in clinical settings.
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Affiliation(s)
- Rajib Dey
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka, 560064, India
| | - Sudip Mukherjee
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka, 560064, India
| | - Swagatam Barman
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka, 560064, India
| | - Jayanta Haldar
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka, 560064, India.,Antimicrobial Research Laboratory, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka, 560064, India
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17
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Zhang Y, Li F, Ya S, Hu Y, Zhi D, Wang W, Xu M, Qiu B, Ding W. An iron oxide nanoparticle-based transdermal nanoplatform for dual-modal imaging-guided chemo-photothermal therapy of superficial tumors. Acta Biomater 2021; 130:473-484. [PMID: 34082102 DOI: 10.1016/j.actbio.2021.05.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/20/2021] [Accepted: 05/20/2021] [Indexed: 12/24/2022]
Abstract
Transdermal delivery is an attractive strategy for treating superficial tumors. However, the applications of existing transdermal systems have been limited by low transdermal efficiency and poor therapeutic outcomes. Here, we develop a transdermal nanoplatform (+)T-SiDs, based on superparamagnetic iron oxide core, surface-modified with cationic lipids, transdermal enhanced peptide TD, and 1,1'-dioctadecyl-3,3,3',3'-tetramethylindotricarbocyanine iodide (DiR), and loaded with doxorubicin. The (+)T-SiDs compositions enable MR/NIR dual-modal imaging guided synergistic chemo-photothermal therapy to superficial tumors treatment via transdermal delivery. The (+)T-SiDs exhibit good stability, efficient cellular uptake, pH/photothermal responsive drug release, and high photothermal conversion efficiency (47.45%). Importantly, the transdermal delivery of (+)T-SiDs is significantly enhanced by TD functionalization. In vivo MR/NIR imaging shows that the (+)T-SiDs exhibit high transdermal efficiency and specificity in localization to the tumor site. Moreover, in comparison with individual chemo- or photothermal therapies, the combination of chemo-photothermal therapy exhibits more efficient tumor inhibition effects. This work presents a new transdermal treatment nanoplatform for dual-modal imaging-guided chemo-photothermal therapy of superficial tumors, with efficient tumor eradication and low systemic toxicity thus offering strong potential for clinical adoption. STATEMENT OF SIGNIFICANCE: Transdermal delivery is an attractive strategy for treating superficial tumors. However, a highly efficient transdermal nanoplatform remains to be developed. Herein, we designed a multifunctional transdermal nanoplatform for dual-modal imaging-guided chemo-photothermal therapy of superficial tumors, comprised of a super-paramagnetic iron oxide (SPIO) nanoparticle, which can act as an MRI contrast agent and photothermal agent; a transdermal enhanced peptide (TD) and cationic lipids, which can accelerate skin penetration; and a NIR dye (DiR) and doxorubicin (DOX), which can achieve a synergistic enhanced chemo-photothermal therapy with NIR imaging ability. The transdermal nanoplatform achieved efficient tumor eradication and low systemic toxicity, thus offering strong potential for clinical adoption.
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Affiliation(s)
- Yuanyuan Zhang
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Fenfen Li
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China.
| | - Shengnan Ya
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Yi Hu
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Debo Zhi
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Wenshen Wang
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China
| | - Mengran Xu
- Department of Infectious Diseases, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Bensheng Qiu
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China.
| | - Weiping Ding
- Hefei National Lab for Physical Sciences at the Microscale and Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui, 230027, China.
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