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Nunes EAC, da Silva MC, Cardoso MH, Preza SLE, de Oliveira LS, Frihling BEF, Charneau SO, Grellier P, Franco OL, Migliolo L. Anti-Protozoan Activities of Polar Fish-Derived Polyalanine Synthetic Peptides. Mar Drugs 2023; 21:434. [PMID: 37623715 PMCID: PMC10456387 DOI: 10.3390/md21080434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/14/2023] [Accepted: 07/19/2023] [Indexed: 08/26/2023] Open
Abstract
Chagas disease, sleeping sickness and malaria are infectious diseases caused by protozoan parasites that kill millions of people worldwide. Here, we performed in vitro assays of Pa-MAP, Pa-MAP1.9, and Pa-MAP2 synthetic polyalanine peptides derived from the polar fish Pleuronectes americanus toward Trypanosoma cruzi, T. brucei gambiense and Plasmodium falciparum activities. We demonstrated that the peptides Pa-MAP1.9 and Pa-MAP2 were effective to inhibit T. brucei growth. In addition, structural analyses using molecular dynamics (MD) studies showed that Pa-MAP2 penetrates deeper into the membrane and interacts more with phospholipids than Pa-MAP1.9, corroborating the previous in vitro results showing that Pa-MAP1.9 acts within the cell, while Pa-MAP2 acts via membrane lysis. In conclusion, polyalanine Pa-MAP1.9 and Pa-MAP2 presented activity against bloodstream forms of T. b. gambiense, thus encouraging further studies on the application of these peptides as a treatment for sleeping sickness.
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Affiliation(s)
| | - Maria Cláudia da Silva
- S-Inova Biotech, Graduate Program in Biotechnology, Dom Bosco Catholic University, Campo Grande 79117-900, Brazil
- Department of Biochemistry and Immunology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Sao Paulo 14040-900, Brazil
- Laboratory of Research in Virology and Immunology, Institute of Biological and Health Sciences, Federal University of Alagoas, Maceio 57020-600, Brazil
| | - Marlon Henrique Cardoso
- S-Inova Biotech, Graduate Program in Biotechnology, Dom Bosco Catholic University, Campo Grande 79117-900, Brazil
- Center for Proteomics and Biochemical Analysis, Catholic University of Brasília, Brasilia 71966-700, Brazil
| | | | - Lucas Silva de Oliveira
- Laboratory of Biochemistry and Protein Chemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasilia 73345-010, Brazil
- UMR 7245 Molécules de Communication et Adaptation des Micro-Organismes, Muséum National d'Histoire Naturelle, CNRS, 75005 Paris, France
- Graduate Program in Molecular Pathology, University of Brasilia, Brasilia 73345-010, Brazil
| | | | - Sébastien Olivier Charneau
- Laboratory of Biochemistry and Protein Chemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasilia 73345-010, Brazil
- Graduate Program in Molecular Pathology, University of Brasilia, Brasilia 73345-010, Brazil
| | - Philippe Grellier
- UMR 7245 Molécules de Communication et Adaptation des Micro-Organismes, Muséum National d'Histoire Naturelle, CNRS, 75005 Paris, France
| | - Octávio Luiz Franco
- S-Inova Biotech, Graduate Program in Biotechnology, Dom Bosco Catholic University, Campo Grande 79117-900, Brazil
- Center for Proteomics and Biochemical Analysis, Catholic University of Brasília, Brasilia 71966-700, Brazil
| | - Ludovico Migliolo
- Postgraduate Program in Biochemistry, Federal University of Rio Grande do Norte, Natal 59078-900, Brazil
- S-Inova Biotech, Graduate Program in Biotechnology, Dom Bosco Catholic University, Campo Grande 79117-900, Brazil
- Postgraduate Program in Cellular and Molecular Biology, Federal University of Paraíba, João Pessoa 58051-900, Brazil
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Qutb AM, Wei F, Dong W. Prediction and Characterization of Cationic Arginine-Rich Plant Antimicrobial Peptide SM-985 From Teosinte ( Zea mays ssp. mexicana). Front Microbiol 2020; 11:1353. [PMID: 32636825 PMCID: PMC7318549 DOI: 10.3389/fmicb.2020.01353] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 05/26/2020] [Indexed: 12/17/2022] Open
Abstract
Antimicrobial peptides (AMPs) are effective against different plant pathogens and newly considered as part of plant defense systems. From prokaryotes to eukaryotes, AMPs can exist in all forms of life. SM-985 is a cationic AMP (CAMP) isolated from the cDNA library of Mexican teosinte (Zea mays ssp. mexicana). A computational prediction server running with different algorithms was used to screen the teosinte cDNA library for AMPs, and the SM-985 peptide was predicted as an AMP with high probability prediction values. SM-985 is an arginine-rich peptide and composed of 21 amino acids (MW: 2671.06 Da). The physicochemical properties of SM-985 are very promising as an AMP, including the net charge (+8), hydrophobicity ratio of 23%, Boman index of 5.19 kcal/mol, and isoelectric point of 12.95. The SM-985 peptide has amphipathic α-helix conformations. The antimicrobial activity of SM-985 was confirmed against six bacterial plant pathogens, and the MIC of SM-985 against Gram-positive indicators was 8 μM, while the MIC of SM-985 against Gram-negative indicators was 4 μM. The SM-985 interacting with the bacterial membrane and this interaction were examined by treatment of the bacterial indicators with FITC-SM-985 peptide, which showed a high binding affinity of SM-985 to the bacterial membrane (whether Gram-positive or Gram-negative). Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images of the treated bacteria with SM-985 demonstrated cell membrane damage and cell lysis. In vivo antimicrobial activity was examined, and SM-985 prevented leaf spot disease infection caused by Pst DC3000 on Solanum lycopersicum. Moreover, SM-985 showed sensitivity to calcium chloride salt, which is a common feature of CAMPs.
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Affiliation(s)
- Abdelrahman M. Qutb
- Department of Plant Pathology, College of Plant Science and Technology and the Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan, China
- Department of Agricultural Botany, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt
| | - Feng Wei
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Wubei Dong
- Department of Plant Pathology, College of Plant Science and Technology and the Key Lab of Crop Disease Monitoring and Safety Control in Hubei Province, Huazhong Agricultural University, Wuhan, China
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Wang S, Feng C, Yin S, Feng Z, Tang J, Liu N, Yang F, Yang X, Wang Y. A novel peptide from the skin of amphibian Rana limnocharis with potency to promote skin wound repair. Nat Prod Res 2020; 35:3514-3518. [PMID: 31960722 DOI: 10.1080/14786419.2019.1710702] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
In clinical trials, the healing of wounds remains a substantial physiological and financial incumbrance on patients. Therefore, the development of new drugs that can accelerate wound healing is vital. Based on genomic methods, we identified a new peptide (RL-RL10) with the amino acid sequence 'RLFKCWKKDS' from the skin of an amphibian frog species (Rana limnocharis). RL-RL10 promoted wound healing of human keratinocytes (HaCaT) in a concentration-dependent manner. RL-RL10 also had an effect on the migration and proliferation of HaCaT cells and promoted healing of a full-thickness wound in mice in a dose-dependent manner. In conclusion, we discovered RL-RL10 that promoted healing activity of cellular and animal wounds, thus providing a new peptide template for the development of novel wound-repairing drugs.
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Affiliation(s)
- Siyuan Wang
- Key Laboratory of Chemistry in Ethnic Medicine Resource, State Ethnic Affairs Commission & Ministry of Education, School of Ethnomedicine and Ethnopharmacy, Yunnan Minzu University, Kunming, Yunnan, China
| | - Chengan Feng
- Department of Anatomy and Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Saige Yin
- Department of Anatomy and Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Zhuo Feng
- Department of Anatomy and Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Jing Tang
- Department of Biochemistry and Molecular Biology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Naixin Liu
- Department of Anatomy and Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Fu Yang
- Department of Biochemistry and Molecular Biology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Xinwang Yang
- Department of Anatomy and Histology & Embryology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, Yunnan, China
| | - Ying Wang
- Key Laboratory of Chemistry in Ethnic Medicine Resource, State Ethnic Affairs Commission & Ministry of Education, School of Ethnomedicine and Ethnopharmacy, Yunnan Minzu University, Kunming, Yunnan, China
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Zeng P, Xu C, Cheng Q, Liu J, Gao W, Yang X, Wong K, Chen S, Chan K. Phenol‐Soluble‐Modulin‐Inspired Amphipathic Peptides Have Bactericidal Activity against Multidrug‐Resistant Bacteria. ChemMedChem 2019; 14:1547-1559. [DOI: 10.1002/cmdc.201900364] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Ping Zeng
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Chen Xu
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Qipeng Cheng
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Jun Liu
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Wei Gao
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Xuemei Yang
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Kwok‐Yin Wong
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
| | - Sheng Chen
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
- Shenzhen Key Laboratory for Food Biological Safety Control, Food Safety and Technology Research CentreThe Hong Kong Polytechnic University Shenzhen Research Institute Shenzhen China
| | - Kin‐Fai Chan
- State Key Laboratory of Chemical Biology and Drug Discovery and Department of Applied Biology and Chemical TechnologyThe Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR China
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Spinelli R, Aimaretti FM, López JA, Siano AS. Amphibian skin extracts as source of bioactive multi-target agents against different pathways of Alzheimer's disease. Nat Prod Res 2019; 35:686-689. [PMID: 30931620 DOI: 10.1080/14786419.2019.1591396] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Natural products represent a rich source of bioactive compounds that have been historically used to obtain substances with great medicinal potential. The skin of anuran amphibians is a rich source of compounds with a wide range of biological activity. Alzheimer's disease (AD) is a complex disease associated with all kind of different pathways, making their simultaneous modulation necessary. Nowadays anti-AD treatments are focused on enzymatic inhibitors. Here in we report the activity of skin extracts from nine species from Argentina, belonging to three anuran families, as inhibitors of AChE, BChE and MAO-B enzymes. The extracts also showed antioxidant activities, acting as multi-target on four important pathways of AD.
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Affiliation(s)
- Roque Spinelli
- Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Florencia María Aimaretti
- Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Javier Alejandro López
- CONICET-UNL, Instituto Nacional de Limnología, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Alvaro Sebastián Siano
- Departamento de Química Orgánica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Nagarajan K, Marimuthu SK, Palanisamy S, Subbiah L. Peptide Therapeutics Versus Superbugs: Highlight on Current Research and Advancements. Int J Pept Res Ther 2018; 24:19-33. [DOI: 10.1007/s10989-017-9650-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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