Open AccessAssessment of drugs against Cryptosporidium parvum using a simple in vitro screening method
Author(s) -
Armson Anthony,
Meloni Bruno P.,
Reynoldson James A.,
Thompson R.C.Andrew
Publication year - 1999
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1999.tb08681.x
Subject(s) - pharmacology , chemistry , cryptosporidium parvum , cytotoxicity , salinomycin , in vitro , teniposide , chromatography , biology , microbiology and biotechnology , antibiotics , biochemistry , chemotherapy , etoposide , genetics
A rapid semi‐quantitative screening method was devised for assessing the anticryptosporidial and cytotoxic effects of putative chemotherapeutic compounds. The method is suitable as an initial rapid screening procedure from which compounds demonstrating anticryptosporidial activity can be identified for further analysis. It has the advantages of speed, low cost and concurrent assessment of anticryptosporidial and cytotoxic effects and allows accurate determination of minimum lethal concentrations. Of the 71 compounds screened, six completely inhibited cryptosporidial growth at 1 μM (monensin, salinomycin, alborixin, lasalocid, trifluralin and nicarbazin) and a further eight showed significant anticryptosporidial activity at 1 or 20 μM (halquinol, bleomycin, suramin, mitomycin, doxycycline hydrochloride, toltrazuril, chloroquine phosphate and teniposide). Twelve compounds were found to have some degree of cytotoxicity at 1 μM and a further 12 at 20 μM.