Cited by 51Antimicrobial Peptides and ActivitiesAntimicrobial agents and applicationsMicrobial Natural Products and Biosynthesis

Cn‐AMP1: A new promiscuous peptide with potential for microbial infections treatment

Silva, Osmar N., Porto, William F., Migliolo, Ludovico, Mandal, Santi M., Gomes, Diego G., Holanda, Hortência H. S., Silva, Rosa S. P., Dias, Simoni C. +5 more·2012·Peptide Science

Abstract

The antimicrobial peptides (AMPs) are evolutionarily ancient molecules that act as components of the innate immune system. Recently, it was demonstrated that a single AMP can perform various functions; this ability is known as “peptide promiscuity.” However, little is known about promiscuity in plant AMPs without disulfide bonds. This study was carried out to evaluate the promiscuity of Cn‐AMP1: a promising disulfide‐free plant peptide with reduced size and cationic and hydrophobic properties. Its activity against human pathogenic bacteria and fungal pathogens, as well as its in vitro immunostimulatory activity and effects on cancerous and healthy mammalian cell proliferation were studied here. Cn‐AMP1 exerts antimicrobial effects against Gram‐positive bacteria, Gram‐negative bacteria, and fungi. Moreover, tumor cell viability activity in Caco‐2 cells, as well as immunostimulatory activity by evaluating upregulated inflammatory‐cytokine secretion by monocytes was also positively observed. Cn‐AMP1 does not exhibit a well‐defined conformation in aqueous solution and probably undergoes a 3 10‐helix transition in hydrophobic environments. The experimental results support the promiscuous activity of Cn‐AMP1, presenting a wide range of activities, including antibacterial, antifungal, and immunostimulatory activity. In the future, Cn‐AMP1 should be used in the development of novel biopharmaceuticals, mainly due to its reduced size and broad spectrum of activity. © 2012 Wiley Periodicals, Inc. Biopolymers (Pept Sci) 98: 322–331, 2012.

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Crossref · 10.1002/bip.22071

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Authors
Silva, O. N., Porto, W. F., Migliolo, L., Mandal, S. M., Gomes, D. G., Holanda, H. H. S., Silva, R. S. P., Dias, S. C., Costa, M. P., Costa, C. R., Silva, M. R., Rezende, T. M. B., & Franco, O. L.
Affiliations
  • Universidade Federal de Juiz de Fora (BR)
  • Universidade Católica de Brasília (BR)
  • Indian Institute of Technology Kharagpur (IN)
  • Universidade Federal de Goiás (BR)
Venue
Peptide Science
Publisher
Wiley
Published
2012-01
Volume
98
Issue
4
Pages
322-331
ISSN
0006-3525 (ISSN-L)
OpenAlex
W2034816905
Cited by
51
References
46
Citations by year
2026: 3 · 2025: 1 · 2023: 3 · 2022: 4 · 2021: 4 · 2020: 3 · 2019: 1 · 2018: 4 · 2017: 4 · 2016: 8 · 2015: 3 · 2014: 5 · 2013: 4 · 2012: 4
FWCI
4.43
Type
journal article
Language
en
Open access
closed
Locations
  • Biopolymers (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Antimicrobial Peptides and Activities
  • Physical Sciences › Chemistry › Organic Chemistry › Antimicrobial agents and applications
  • Health Sciences › Medicine › Pharmacology › Microbial Natural Products and Biosynthesis
Keywords
antimicrobial peptides, plant antimicrobial peptides, antibacterial activity, antifungal activity, immune enhancement, inflammatory cytokines, monocytes, tumor cell viability, Caco-2 cells, peptide conformation, biopharmaceuticals
MeSH terms
Adjuvants, Immunologic, Animals, Anti-Infective Agents, Anti-Bacterial Agents, Antifungal Agents, Cell Survival, Gram-Negative Bacteria, Gram-Positive Bacteria, Humans, Peptides, Cell Line, Tumor, Cell Proliferation

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