Correia Santana, CJ;
Martins Magalhaes, AC;
Prias-Marquez, CA;
Falico, DA;
dos Santos Junior, ACM;
Lima, BD;
Ornelas Ricart, CA;
... Castro, MS; + view all
(2020)
Biological Properties of a Novel Multifunctional Host Defense Peptide from the Skin Secretion of the Chaco Tree Frog, Boana raniceps.
Biomolecules
, 10
(5)
, Article 790. 10.3390/biom10050790.
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Abstract
In recent years, the number of new antimicrobial drugs launched on the market has decreased considerably even though there has been an increase in the number of resistant microbial strains. Thus, antimicrobial resistance has become a serious public health problem. Amphibian skin secretions are a rich source of host defense peptides, which generally are cationic and hydrophobic molecules, with a broad-spectrum of activity. In this study, one novel multifunctional defense peptide was isolated from the skin secretion of the Chaco tree frog, Boana raniceps. Figainin 2 ({1}^FLGAILKIGHALAKTVLPMVTNAFKPKQ^{28}) is cationic and hydrophobic, adopts an α-helical structure in 50% (v/v) trifluoroethanol (TFE), and is thermally stable. This peptide exhibited activity against Gram-negative and Gram-positive pathogenic bacteria arboviruses, T. cruzi epimastigotes; however, it did not show activity against yeasts. Figainin 2 also showed antiproliferative activity on cancer cells, is moderately active on human erythrocytes, and activates the oxidative burst in human neutrophils.
| Type: | Article |
|---|---|
| Title: | Biological Properties of a Novel Multifunctional Host Defense Peptide from the Skin Secretion of the Chaco Tree Frog, Boana raniceps |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.3390/biom10050790 |
| Publisher version: | https://doi.org/10.3390/biom10050790 |
| Language: | English |
| Additional information: | © 2020 by the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
| Keywords: | amphibian; Boana raniceps; skin secretion; multifunctional defense peptide; antimicrobial peptide; structural analysis; neutrophils |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Lab for Molecular Cell Bio MRC-UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10106451 |
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