Isolate resistance of Blastocystis hominis to metronidazole.

Haresh, K.; Suresh, K.; Khairul Anus, A.; Saminathan, S. (1999) Isolate resistance of Blastocystis hominis to metronidazole. Tropical medicine & international health : TM & IH, 4 (4). pp. 274-7. ISSN 1360-2276

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Abstract

Isolates of Blastocystis hominis from infected immigrant workers from Indonesia, Bangladesh and infected individuals from Singapore and Malaysia were assessed for growth pattern and degree of resistance to different concentrations of metronidazole. Viability of the cells was assessed using eosin-brillian cresyl blue which stained viable cells green and nonviable cells red. The Bangladeshi and Singaporean isolates were nonviable even at the lowest concentration of 0.01 mg/ml, whereas 40% of the initial inoculum of parasites from the Indonesian isolate at day one were still viable in cultures with 1.0 mg/ml metronidazole. The study shows that isolates of B. hominis of different geographical origin have different levels of resistance to metronidazole. The search for more effective drugs to eliminate th parasite appears inevitable, especially since surviving parasites from metronidazole cultures show greater ability to multiply in subcultures than controls.

Item Type: Article
Journal or Publication Title: Tropical medicine & international health : TM & IH
Uncontrolled Keywords: Animals; Anti-Infective Agents/pharmacology; Bangladesh;
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medicine
Depositing User: Mr. Faizal Hamzah
Date Deposited: 04 Mar 2011 16:28
Last Modified: 20 Oct 2014 16:43
URI: http://eprints.um.edu.my/id/eprint/386

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