Inhibition of Toxoplasma gondii by indirubin and tryptanthrin analogs

Bogdana Krivogorsky, Peter Grundt, Robert Yolken, Lorraine Jones-Brando

Research output: Contribution to journalArticlepeer-review

47 Scopus citations


New drugs are needed for treatment of Toxoplasma gondii infections. We tested derivatives of principles found in Isatis indigotica for in vitro efficacy against T. gondii infection. Indirubin-3′-oxime analogs showed modest micromolar activity, while tryptanthrin derivatives displayed 50% inhibitory doses in the low nanomolar range. Tryptanthrins have potential as anti-Toxoplasma infection therapeutics.

Original languageEnglish (US)
Pages (from-to)4466-4469
Number of pages4
JournalAntimicrobial agents and chemotherapy
Issue number12
StatePublished - Dec 2008


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