Brazilian Journal of Biological Sciences (ISSN 2358-2731)



Home Archive v. 6, no. 14 (2019) Dall'Igna

 

Vol. 6, No. 14, p. 505-513 - Dec. 31, 2019

 

The effect of conocarpan on susceptibility of Candida albicans to phagocytosis and digestion by macrophages



Dhébora Mozena Dall'Igna , Ana Angélica Steil , Rosi Zanoni da Silva , Valdir Cechinel Filho , Alexandre Bella-Cruz

Abstract
Piper solmsianum C. DC. compounds exhibit several properties, including antimicrobial activity. The aim of the present study was to investigate whether conocarpan alters Candida albicans growth or killing of the yeast by macrophages. Conocarpan showed strong activity against the yeast with minimal inhibitory concentration (MIC) of 20 µg/mL and minimal fungicidal concentration (MFC) of 30 µg/mL. Mice peritoneal cells (macrophages) were cultured for 24 and 48 hours in supplemented RPMI 1640 medium. Cellular activation was assessed by determining MTT reduction and nitric oxide production. Standardized tests were conducted to select the optimal parameters for the subsequent killing test. Results showed that conocarpan exhibited antifungal activity and that C. albicans cultivated in the presence of the compound had greater susceptibility to death by macrophages. These findings suggest that conocarpan may have potential as an antimicrobial agent for C. albicans infections, promoting macrophagic immune support by altering growth of the yeast.


Keywords
Macrophage; Conocarpan; Candida albicans; Phagocytosis; Piper solmsianum.

DOI
10.21472/bjbs.061403

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