Biotechnol Lett. 2006 Jun 23; [Epub ahead of print]
Fungicidal and Cytotoxic Activity of a Capsicum chinense Defensin Expressed by Endothelial Cells.
Anaya-Lopez JL, Lopez-Meza JE, Baizabal-Aguirre VM, Cano-Camacho H, Ochoa-Zarzosa A.
Plant defensins are antimicrobial peptides that exhibit mainly antifungal activity against a broad range of plant fungal pathogens. However, their actions against Candida albicans have not been extensively studied. The mRNA for gamma-thionin, a defensin from Capsicum chinense, has been expressed in bovine endothelial cells. The conditioned medium of these cells showed antifungal activity on germ tube formation (60-70% of inhibition) and on the viability of C. albicans (70-80% of inhibition). Additionally, C. albicans was not able to penetrate transfected cells. Conditioned medium from these cells also inhibited the viability (80%) of the human tumor cell line, HeLa.
PMID: 16794772 [PubMed - as supplied by publisher]