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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
The walking dead: Is hydroethidine a suitable viability dye for intra-erythrocytic Plasmodium falciparum?
Parasitology International, Volume 61, No. 4, Year 2012
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Description
Hydroethidine has been used as a viability dye in various haemoparasites, including Plasmodium species. We compared flow cytometric quantification by hydroethidine and thiazole orange in P. falciparum. Dead parasites that did not develop or replicate exhibited high levels of DNA fragmentation and abnormal microscopic morphology, but were detected as viable ring-stage parasites by hydroethidine. Hydroethidine quantification was similar to thiazole orange, a DNA-binding dye that stains live and dead parasites. Data obtained cast concerns on hydroethidine as a suitable viability dye in P. falciparum and highlight the necessity of proper gating in flow cytometric studies quantifying parasitaemia. © 2012 Elsevier Ireland Ltd.
Authors & Co-Authors
Engelbrecht, Dewaldt
South Africa, Johannesburg
School of Pathology
Coetzer, Thérèsa Louise
South Africa, Johannesburg
School of Pathology
Statistics
Citations: 7
Authors: 2
Affiliations: 1
Identifiers
Doi:
10.1016/j.parint.2012.07.002
ISSN:
13835769
e-ISSN:
18730329
Research Areas
Genetics And Genomics