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Cui C, Huo Q, Xiong X, Na S, Mitsuda M, Minami K, Li B, Yokota H. P18: Novel Anticancer Peptide from Induced Tumor-Suppressing Cells Targeting Breast Cancer and Bone Metastasis. Cancers (Basel) 2024; 16:2230. [PMID: 38927935 PMCID: PMC11202002 DOI: 10.3390/cancers16122230] [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: 04/30/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND The skeletal system is a common site for metastasis from breast cancer. In our prior work, we developed induced tumor-suppressing cells (iTSCs) capable of secreting a set of tumor-suppressing proteins. In this study, we examined the possibility of identifying anticancer peptides (ACPs) from trypsin-digested protein fragments derived from iTSC proteomes. METHODS The efficacy of ACPs was examined using an MTT-based cell viability assay, a Scratch-based motility assay, an EdU-based proliferation assay, and a transwell invasion assay. To evaluate the mechanism of inhibitory action, a fluorescence resonance energy transfer (FRET)-based GTPase activity assay and a molecular docking analysis were conducted. The efficacy of ACPs was also tested using an ex vivo cancer tissue assay and a bone microenvironment assay. RESULTS Among the 12 ACP candidates, P18 (TDYMVGSYGPR) demonstrated the most effective anticancer activity. P18 was derived from Arhgdia, a Rho GDP dissociation inhibitor alpha, and exhibited inhibitory effects on the viability, migration, and invasion of breast cancer cells. It also hindered the GTPase activity of RhoA and Cdc42 and downregulated the expression of oncoproteins such as Snail and Src. The inhibitory impact of P18 was additive when it was combined with chemotherapeutic drugs such as Cisplatin and Taxol in both breast cancer cells and patient-derived tissues. P18 had no inhibitory effect on mesenchymal stem cells but suppressed the maturation of RANKL-stimulated osteoclasts and mitigated the bone loss associated with breast cancer. Furthermore, the P18 analog modified by N-terminal acetylation and C-terminal amidation (Ac-P18-NH2) exhibited stronger tumor-suppressor effects. CONCLUSIONS This study introduced a unique methodology for selecting an effective ACP from the iTSC secretome. P18 holds promise for the treatment of breast cancer and the prevention of bone destruction by regulating GTPase signaling.
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Affiliation(s)
- Changpeng Cui
- Department of Pharmacology, School of Pharmacy, Harbin Medical University, Harbin 150081, China; (C.C.); (Q.H.); (X.X.)
- Department of Biomedical Engineering, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA;
| | - Qingji Huo
- Department of Pharmacology, School of Pharmacy, Harbin Medical University, Harbin 150081, China; (C.C.); (Q.H.); (X.X.)
- Department of Biomedical Engineering, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA;
| | - Xue Xiong
- Department of Pharmacology, School of Pharmacy, Harbin Medical University, Harbin 150081, China; (C.C.); (Q.H.); (X.X.)
- Department of Biomedical Engineering, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA;
| | - Sungsoo Na
- Department of Biomedical Engineering, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA;
| | - Masaru Mitsuda
- Frontier Research Institute, Chubu University, Aichi 487-8501, Japan;
| | - Kazumasa Minami
- Department of Radiation Oncology, Osaka University Graduate School of Medicine, Suita 565-0871, Japan;
| | - Baiyan Li
- Department of Pharmacology, School of Pharmacy, Harbin Medical University, Harbin 150081, China; (C.C.); (Q.H.); (X.X.)
| | - Hiroki Yokota
- Department of Biomedical Engineering, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA;
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, IN 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Monsalve D, Mesa A, Mira LM, Mera C, Orduz S, Branch-Bedoya JW. Antimicrobial peptides designed by computational analysis of proteomes. Antonie Van Leeuwenhoek 2024; 117:55. [PMID: 38488950 DOI: 10.1007/s10482-024-01946-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/06/2024] [Indexed: 03/17/2024]
Abstract
Antimicrobial peptides (AMPs) are promising cationic and amphipathic molecules to fight antibiotic resistance. To search for novel AMPs, we applied a computational strategy to identify peptide sequences within the organisms' proteome, including in-house developed software and artificial intelligence tools. After analyzing 150.450 proteins from eight proteomes of bacteria, plants, a protist, and a nematode, nine peptides were selected and modified to increase their antimicrobial potential. The 18 resulting peptides were validated by bioassays with four pathogenic bacterial species, one yeast species, and two cancer cell-lines. Fourteen of the 18 tested peptides were antimicrobial, with minimum inhibitory concentrations (MICs) values under 10 µM against at least three bacterial species; seven were active against Candida albicans with MICs values under 10 µM; six had a therapeutic index above 20; two peptides were active against A549 cells, and eight were active against MCF-7 cells under 30 µM. This study's most active antimicrobial peptides damage the bacterial cell membrane, including grooves, dents, membrane wrinkling, cell destruction, and leakage of cytoplasmic material. The results confirm that the proposed approach, which uses bioinformatic tools and rational modifications, is highly efficient and allows the discovery, with high accuracy, of potent AMPs encrypted in proteins.
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Affiliation(s)
- Dahiana Monsalve
- Escuela de Biociencias, Departamento de Ciencias, Universidad Nacional de Colombia, sede Medellín, Carrera 65 # 59A-110, 050034, Medellín, Antioquia, Colombia
| | - Andrea Mesa
- Escuela de Biociencias, Departamento de Ciencias, Universidad Nacional de Colombia, sede Medellín, Carrera 65 # 59A-110, 050034, Medellín, Antioquia, Colombia
| | - Laura M Mira
- Escuela de Biociencias, Departamento de Ciencias, Universidad Nacional de Colombia, sede Medellín, Carrera 65 # 59A-110, 050034, Medellín, Antioquia, Colombia
| | - Carlos Mera
- Departamento de Sistemas de Información, Instituto Tecnológico Metropolitano, Calle 54A # 30-01, 050013, Medellín, Antioquia, Colombia.
- Departamento de Ingeniería de Sistemas, Facultad de Ingenierías, Universidad de Antioquia, Calle 70 # 52-21, 050010, Medellín, Antioquia, Colombia.
| | - Sergio Orduz
- Escuela de Biociencias, Departamento de Ciencias, Universidad Nacional de Colombia, sede Medellín, Carrera 65 # 59A-110, 050034, Medellín, Antioquia, Colombia
| | - John W Branch-Bedoya
- Departamento de Ciencias de la Computación y de la Decisión, Facultad de Minas, Universidad Nacional de Colombia, sede Medellín, Av. 80 # 65-223, 050041, Medellín, Antioquia, Colombia
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3
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Mun SJ, Cho E, Kim JS, Yang CS. Pathogen-derived peptides in drug targeting and its therapeutic approach. J Control Release 2022; 350:716-733. [PMID: 36030988 DOI: 10.1016/j.jconrel.2022.08.041] [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: 07/13/2022] [Revised: 08/18/2022] [Accepted: 08/21/2022] [Indexed: 02/06/2023]
Abstract
Peptides, short stretches of amino acids or small proteins that occupy a strategic position between proteins and amino acids, are readily accessible by chemical and biological methods. With ideal properties for forming high-affinity and specific interactions with host target proteins, they have established an important niche in the drug development spectrum complementing small molecule and biological therapeutics. Among the most successful biomedicines in use today, peptide-based drugs show great promise. This, coupled with recent advances in synthetic and nanochemical biology, has led to the creation of tailor-made peptide therapeutics for improved biocompatibility. This review presents an overview of the latest research on pathogen-derived, host-cell-interacting peptides. It also highlights strategies for using peptide-based therapeutics that address cellular transport challenges through the introduction of nanoparticles that serve as platforms to facilitate the delivery of peptide biologics and therapeutics for treating various inflammatory diseases. Finally, this paper describes future perspectives, specific pathogen-based peptides that can enhance specificity, efficiency, and capacity in functional peptide-based therapeutics, which are in the spotlight as new treatment alternatives for various diseases, and also presents verified sequences and targets that can increase chemical and pharmacological value.
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Affiliation(s)
- Seok-Jun Mun
- Department of Bionano Technology, Hanyang University, Seoul 04673, Republic of Korea; Center for Bionano Intelligence Education and Research, Ansan 15588, Republic of Korea
| | - Euni Cho
- Department of Bionano Technology, Hanyang University, Seoul 04673, Republic of Korea; Center for Bionano Intelligence Education and Research, Ansan 15588, Republic of Korea
| | - Jae-Sung Kim
- Department of Bionano Technology, Hanyang University, Seoul 04673, Republic of Korea; Institute of Natural Science & Technology, Hanyang University, Ansan 15588, Republic of Korea
| | - Chul-Su Yang
- Center for Bionano Intelligence Education and Research, Ansan 15588, Republic of Korea; Department of Molecular and Life Science, Hanyang University, Ansan 15588, Republic of Korea.
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4
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Development of Anticancer Peptides Using Artificial Intelligence and Combinational Therapy for Cancer Therapeutics. Pharmaceutics 2022; 14:pharmaceutics14050997. [PMID: 35631583 PMCID: PMC9147327 DOI: 10.3390/pharmaceutics14050997] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/28/2022] [Accepted: 05/04/2022] [Indexed: 01/27/2023] Open
Abstract
Cancer is a group of diseases causing abnormal cell growth, altering the genome, and invading or spreading to other parts of the body. Among therapeutic peptide drugs, anticancer peptides (ACPs) have been considered to target and kill cancer cells because cancer cells have unique characteristics such as a high negative charge and abundance of microvilli in the cell membrane when compared to a normal cell. ACPs have several advantages, such as high specificity, cost-effectiveness, low immunogenicity, minimal toxicity, and high tolerance under normal physiological conditions. However, the development and identification of ACPs are time-consuming and expensive in traditional wet-lab-based approaches. Thus, the application of artificial intelligence on the approaches can save time and reduce the cost to identify candidate ACPs. Recently, machine learning (ML), deep learning (DL), and hybrid learning (ML combined DL) have emerged into the development of ACPs without experimental analysis, owing to advances in computer power and big data from the power system. Additionally, we suggest that combination therapy with classical approaches and ACPs might be one of the impactful approaches to increase the efficiency of cancer therapy.
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5
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Posada V, Espejo BF, Orduz S. De novo design of short antimicrobial lipopeptides. AN ACAD BRAS CIENC 2021; 93:e20210362. [PMID: 34817038 DOI: 10.1590/0001-3765202120210362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 08/05/2021] [Indexed: 11/21/2022] Open
Abstract
The increase in bacterial resistance to antibiotics available leads to the search for new compounds with antimicrobial potential, such as peptides and lipopeptides. In this work, eight short lipopeptides with the structural pattern Cn-X1 X2 X3-NH2 were de novo designed, synthesized by Fmoc solid phase and characterized by instrumental techniques. The results of the in vitro tests indicated that two of them, LIP 4 and LIP 12 display antibacterial activity against 4 pathogenic bacteria with minimum inhibitory concentrations (MIC) between 9.50 and 100 μM and between 8.50 and 10.0 μM, respectively; they did not displayed toxicity to human erythrocytes at concentrations between 3.13 and 50.0 μM. The antibacterial mechanism of action observed by scanning electron microscopy indicate that the cell membrane was the target, causing the formation of blisters and vesicles, with size ranging from 100 to 120 nm. The lipopeptide LIP 12, with higher activity, was stable to proteases of human blood serum.
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Affiliation(s)
- Vanessa Posada
- Universidad Nacional de Colombia, Sede Medellin, Escuela de Química, Facultad de Ciencias, Carrera 65, No. 59A - 110, 050034, Medellin, Colombia
| | - Blanca Fabiola Espejo
- Universidad Nacional de Colombia, Sede Medellin, Escuela de Química, Facultad de Ciencias, Carrera 65, No. 59A - 110, 050034, Medellin, Colombia
| | - Sergio Orduz
- Universidad Nacional de Colombia, Sede Medellin, Escuela de Biociencias, Facultad de Ciencias, Carrera 65, No. 59A - 110, 050034, Medellin, Colombia
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6
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Tu W, Xue K, Lou S, Zhu C, Yu Z. Self-assembly of virulent amyloid-derived peptides into nanoantibacterials. NANOSCALE 2021; 13:9864-9872. [PMID: 34037034 DOI: 10.1039/d1nr01622a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Current strategies for the design of antibacterial peptides show limitations in the development of assembled antibacterial peptides due to the challenges in simultaneously balancing the antibacterial activity and assembling behavior. Herein, we report on one strategy for the design of antibacterial peptides derived from virulent amyloids and investigate their self-assembly into nanostructures with remarkable antibacterial activity. The peptides were either directly truncated from virulent amyloid peptide PSM α3 or mutated from the original sequence by replacing the lysine and phenylalanine residues with arginine or tryptophan, leading to three undecapeptides. Conformational and morphological results indicated the formation of nanotubes and twisted nanoribbons by the truncated peptide and the mutated peptide, respectively, predominately driven by anti-parallel β-sheets. Bacterial culturing experiments revealed that the two mutated peptides possessed remarkable antibacterial activity against both Gram-positive and Gram-negative bacteria by disrupting the bacterial membrane at a concentration above their critical aggregation concentrations, thus leading to two nanoantibacterials. Our findings demonstrate that biomimetic peptides originated from virulent amyloids exhibit great potential in the development of assembled antibacterial peptides, thus providing a new strategy for simultaneously addressing the antibacterial activity and pharmacokinetics of natural antibacterial peptides in the future.
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Affiliation(s)
- Wenlu Tu
- Key Laboratory of Functional Polymer Materials, Ministry of Education, State Key Laboratory of Medicinal Chemical Biology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China.
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7
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Pedron CN, Silva AF, Torres MDT, Oliveira CSD, Andrade GP, Cerchiaro G, Pinhal MAS, de la Fuente-Nunez C, Oliveira Junior VX. Net charge tuning modulates the antiplasmodial and anticancer properties of peptides derived from scorpion venom. J Pept Sci 2021; 27:e3296. [PMID: 33442881 DOI: 10.1002/psc.3296] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 11/06/2022]
Abstract
VmCT1, a linear helical antimicrobial peptide isolated from the venom of the scorpion Vaejovis mexicanus, displays broad spectrum antimicrobial activity against bacteria, fungi, and protozoa. Analogs derived from this peptide containing single Arg-substitutions have been shown to increase antimicrobial and antiparasitic activities against Trypanossoma cruzi. Here, we tested these analogs against malaria, an infectious disease caused by Plasmodium protozoa, and assessed their antitumoral properties. Specifically, we tested VmCT1 synthetic variants [Arg]3 -VmCT1-NH2 , [Arg]7 -VmCT1-NH2 , and [Arg]11 -VmCT1-NH2 , against Plasmodium gallinaceum sporozoites and MCF-7 mammary cancer cells. Our screen identified peptides [Arg]3 -VmCT1-NH2 and [Arg]7 -VmCT1-NH2 as potent antiplasmodial agents (IC50 of 0.57 and 0.51 μmol L-1 , respectively), whereas [Arg]11 -VmCT1-NH2 did not show activity against P. gallinaceum sporozoites. Interestingly, all peptides presented activity against MCF-7 and displayed lower cytotoxicity toward healthy cells. We demonstrate that increasing the net positive charge of VmCT1, through arginine substitutions, modulates the biological properties of this peptide family yielding novel antiplasmodial and antitumoral molecules.
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Affiliation(s)
- Cibele Nicolaski Pedron
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, 09210580, Brazil.,Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, SP, 04044020, Brazil
| | - Adriana Farias Silva
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, 09210580, Brazil.,Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, SP, 04044020, Brazil
| | - Marcelo Der Torossian Torres
- Machine Biology Group, Departments of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19102, USA.,Departments of Bioengineering and Chemical and Biomolecular Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, 19102, USA.,Penn Institute for Computational Science, University of Pennsylvania, Philadelphia, PA, 19102, USA
| | | | - Gislaine Patricia Andrade
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, 09210580, Brazil
| | - Giselle Cerchiaro
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, 09210580, Brazil
| | | | - Cesar de la Fuente-Nunez
- Machine Biology Group, Departments of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19102, USA.,Departments of Bioengineering and Chemical and Biomolecular Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, 19102, USA.,Penn Institute for Computational Science, University of Pennsylvania, Philadelphia, PA, 19102, USA
| | - Vani Xavier Oliveira Junior
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, SP, 09210580, Brazil.,Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo, SP, 04044020, Brazil
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8
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Duque-Salazar G, Mendez-Otalvaro E, Ceballos-Arroyo AM, Orduz S. Design of antimicrobial and cytolytic peptides by computational analysis of bacterial, algal, and invertebrate proteomes. Amino Acids 2020; 52:1403-1412. [PMID: 33063186 DOI: 10.1007/s00726-020-02900-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 10/05/2020] [Indexed: 11/25/2022]
Abstract
The increase of antibiotic resistance in bacterial species has raised the need to search for novel antimicrobial molecules. Antimicrobial peptides are molecules that commonly display an amphipathic character. In this work, we developed a computational strategy to search for new peptide sequences within the proteome of any organism that includes in-house developed software and the use of artificial intelligence tools available online. Eleven peptides were selected after analyzing 63,343 proteins from the proteomes of bacteria, algae and invertebrates. Then, we validated the results by means of several assays which were carried out against five (5) pathogenic bacterial species and two (2) cancer cell lines. As a result, we found that ten of the peptides were antimicrobial, with minimum inhibitory concentration values between 4 and [Formula: see text]. Furthermore, two of the more active peptides were also cytotoxic to human red blood cells and cancer cells. In general, the antimicrobial peptides we discovered produced damage on the bacterial cell membrane that included membrane wrinkling, cell blebbing, and leakage of cytoplasmic material. Based on these results, we concluded that the computational approach proposed for finding sequences encrypted in proteins is appropriate for the discovery of selective and non-selective antimicrobial and anticancer peptides.
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Affiliation(s)
- Geraldine Duque-Salazar
- Present address: Sciences Faculty, Biosciences School, Functional Biology Research Group, Universidad Nacional de Colombia - Sede Medellín, Carrera 65 Nro. 59A - 110, Medellín, 050034, Colombia
| | - Edward Mendez-Otalvaro
- Present address: Sciences Faculty, Biosciences School, Functional Biology Research Group, Universidad Nacional de Colombia - Sede Medellín, Carrera 65 Nro. 59A - 110, Medellín, 050034, Colombia
| | - Alberto M Ceballos-Arroyo
- Present address: Sciences Faculty, Biosciences School, Functional Biology Research Group, Universidad Nacional de Colombia - Sede Medellín, Carrera 65 Nro. 59A - 110, Medellín, 050034, Colombia.
| | - Sergio Orduz
- Present address: Sciences Faculty, Biosciences School, Functional Biology Research Group, Universidad Nacional de Colombia - Sede Medellín, Carrera 65 Nro. 59A - 110, Medellín, 050034, Colombia
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9
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Souza F, Fornasier F, Carvalho A, Silva B, Lima M, Pimentel A. Polymer-coated gold nanoparticles and polymeric nanoparticles as nanocarrier of the BP100 antimicrobial peptide through a lung surfactant model. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113661] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Jin Z, Chen Q, Tan L, Jia B, Liu Y. WITHDRAWN: Novel long-acting BF-30 conjugate corrects pancreatic carcinoma via cytoplasmic membrane permeabilization and DNA-binding in tumor-bearing mice. Life Sci 2020:118278. [PMID: 32798555 DOI: 10.1016/j.lfs.2020.118278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/08/2020] [Accepted: 08/10/2020] [Indexed: 10/23/2022]
Abstract
This article has been withdrawn at the request of the editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
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Affiliation(s)
- Zhe Jin
- The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Qingmin Chen
- The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Ludong Tan
- The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Baoxing Jia
- The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Yahui Liu
- The First Hospital of Jilin University, Changchun, Jilin 130021, China.
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11
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Chiangjong W, Chutipongtanate S, Hongeng S. Anticancer peptide: Physicochemical property, functional aspect and trend in clinical application (Review). Int J Oncol 2020; 57:678-696. [PMID: 32705178 PMCID: PMC7384845 DOI: 10.3892/ijo.2020.5099] [Citation(s) in RCA: 168] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/26/2020] [Indexed: 01/10/2023] Open
Abstract
Cancer is currently ineffectively treated using therapeutic drugs, and is also able to resist drug action, resulting in increased side effects following drug treatment. A novel therapeutic strategy against cancer cells is the use of anticancer peptides (ACPs). The physicochemical properties, amino acid composition and the addition of chemical groups on the ACP sequence influences their conformation, net charge and orientation of the secondary structure, leading to an effect on targeting specificity and ACP-cell interaction, as well as peptide penetrating capability, stability and efficacy. ACPs have been developed from both naturally occurring and modified peptides by substituting neutral or anionic amino acid residues with cationic amino acid residues, or by adding a chemical group. The modified peptides lead to an increase in the effectiveness of cancer therapy. Due to this effectiveness, ACPs have recently been improved to form drugs and vaccines, which have sequentially been evaluated in various phases of clinical trials. The development of the ACPs remains focused on generating newly modified ACPs for clinical application in order to decrease the incidence of new cancer cases and decrease the mortality rate. The present review could further facilitate the design of ACPs and increase efficacious ACP therapy in the near future.
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Affiliation(s)
- Wararat Chiangjong
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Somchai Chutipongtanate
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Suradej Hongeng
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
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12
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Synthetic tumor-specific antigenic peptides with a strong affinity to HLA-A2 elicit anti-breast cancer immune response through activating CD8 + T cells. Eur J Med Chem 2020; 189:112051. [PMID: 31968280 DOI: 10.1016/j.ejmech.2020.112051] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/30/2019] [Accepted: 01/08/2020] [Indexed: 12/16/2022]
Abstract
Researches on tumor-associated antigen have become a hot target in immunotherapy, but it stagnated in the pre-clinical/clinical stages. Here, we developed a series of MAGE-A1-restricted antigenic peptides, which exhibited prominent inhibiting effect on specific breast cancer. Peptides were synthesized by Fmoc solid phase method and analyzed by online servers. The stability and affinity to HLA-A2 was assessed by inverted fluorescence and flow cytometry qualitatively and quantitatively. In vitro effect on dendritic cells (DCs) maturation was observed by morphology and surface markers. The secretion of IFN-γ in the supernatant was detected by co-incubation of DCs loaded with as-synthesized peptides and CD8+ T lymphocytes. The specific immune response was evaluated against 4 cell lines, and the response in MCF-7 xenografted BALB/c nude mice were further assessed. Most of the derived peptides, especially I-6, showed great HLA-A2 binding ability. Compared with cytokines, I-6 significantly induced DCs maturation and promoted CD8+ T lymphocytes activation. Additionally, it is more specific for the lethality of MAGE & HLA-A2 double positive cells compared with others. We successfully developed I-6 with a high affinity to HLA-A2 which could induce strong specific immune response. It could be a potential candidate for breast cancer immunotherapy, which deserves further studies.
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13
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Synthesis and biological evaluation of novel aliphatic acid-conjugated antimicrobial peptides as potential agents with anti-tumor, multidrug resistance-reversing activity and enhanced stability. Amino Acids 2017; 49:1831-1841. [PMID: 28831625 DOI: 10.1007/s00726-017-2482-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 08/16/2017] [Indexed: 02/02/2023]
Abstract
Compared with traditional anti-tumor drugs, antimicrobial peptides as novel anti-tumor agents have prominent advantages of higher specificity and circumvention of multi-drug resistance. BP100 is a multifunctional membrane-active peptide with high antimicrobial activity. Taking BP100 as a lead peptide, we designed and synthesized a series of aliphatic chain-conjugated peptides through solid-phase synthesis. Biological evaluation revealed that these peptides exhibited better anti-cancer activity than BP100. Further investigations revealed that these peptides could disrupt the cell membrane and trigger the cytochrome C release into cytoplasm, which ultimately resulted in apoptosis. Meanwhile, these peptides also exhibited effective anti-tumor activity against multidrug resistant cells and had multidrug resistance-reversing effect. Additionally, conjugation of aliphatic acid to those peptides could enhance their stability in plasma. In conclusion, aliphatic acid-modified peptides might be promising anti-tumor agents for cancer therapy.
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