Selective cancer cell cytotoxicity of enantiomeric 9-mer peptides derived from beetle defensins depends on negatively charged phosphatidylserine on the cell surface

T Iwasaki, J Ishibashi, H Tanaka, M Sato, A Asaoka… - Peptides, 2009 - Elsevier
Four enantiomeric 9-mer peptides named d-peptide A, B, C and D were designed and
synthesized on the basis of 43-mer insect defensins from two beetles. The d-9-mer peptides …

Design and synthesis of novel antimicrobial peptides on the basis of α helical domain of Tenecin 1, an insect defensin protein, and structure–activity relationship study

H Ahn, W Cho, SH Kang, SS Ko, MS Park, H Cho… - Peptides, 2006 - Elsevier
Tenecin 1, a peptide consisting of 43 amino acids, exhibits a potent bactericidal activity
against various Gram-positive bacteria and shares a common structural feature of insect …

Synthesis and characterization of bactericidal oligopeptides designed on the basis of an insect anti-bacterial peptide

H Saido-Sakanaka, J ISHIBASHI… - Biochemical …, 1999 - portlandpress.com
Defensin from a beetle, Allomyrina dichotoma, is known to have anti-bacterial activity
against Gram-positive bacteria. This peptide, which comprises 43 amino acid residues, was …

In vitro and in vivo activity of antimicrobial peptides synthesized based on the insect defensin

H Saido-Sakanaka, J Ishibashi, E Momotani, F Amano… - Peptides, 2004 - Elsevier
Synthetic antimicrobial 9-mer peptides were designed from the amino acid sequence of an
active site of insect defensin to increase the number of positively charged amino acid …

[HTML][HTML] Structure-activity relationships of insect defensins

J Koehbach - Frontiers in Chemistry, 2017 - frontiersin.org
Insects make up the largest and most diverse group of organisms on earth with several
million species to exist in total. Considering the sheer number of insect species and the vast …

An insect defensin-derived β-hairpin peptide with enhanced antibacterial activity

B Gao, S Zhu - ACS Chemical Biology, 2014 - ACS Publications
Insect defensins are a class of small, cysteine-rich antimicrobial peptides primarily active on
Gram-positive bacteria. Their roles in maggot therapy for treating chronic wound infection …

Antibiotic activities of host defense peptides: more to it than lipid bilayer perturbation

M Wilmes, BPA Cammue, HG Sahl… - Natural product reports, 2011 - pubs.rsc.org
Defensins are small basic amphiphilic peptides (up to 5 kDa) that have been shown to be
important effector molecules of the innate immune system of animals, plants and fungi. In …

Defensin‐like peptide3 from black solder fly: Identification, characterization, and key amino acids for anti‐Gram‐negative bacteria

SI Park, SM Yoe - Entomological research, 2017 - Wiley Online Library
An antibacterial peptide was isolated from a black soldier fly, Hermetia illucens. The
molecular mass of this peptide was established as 4247.37 by matrix‐assisted laser …

In vitro characterization of the anticancer activity of membrane-active cationic peptides. I. Peptide-mediated cytotoxicity and peptide-enhanced cytotoxic activity of …

SA Johnstone, K Gelmon, LD Mayer… - Anti-cancer drug …, 2000 - ingentaconnect.com
Cationic amphiphathic peptides, such as the defensins and cecropins, induce cell death in
prokaryotic and eukaryotic cells by increasing membrane permeability. Increased …

[HTML][HTML] Two Novel Dermaseptin-Like Antimicrobial Peptides with Anticancer Activities from the Skin Secretion of Pachymedusa dacnicolor

D Shi, X Hou, L Wang, Y Gao, D Wu, X Xi, M Zhou… - Toxins, 2016 - mdpi.com
The dermaseptin antimicrobial peptide family contains members of 27–34 amino acids in
length that have been predominantly isolated from the skins/skin secretions of …