What is it about?
The present study was aimed at assessing the artefactual side-effects of EDTA on some biochemical assays performed on human milk samples. The secondary effects of addition of EDTA (at a final concentration of 20 mmol l1) to inhibit complement system activation in human breast-milk samples were examined, using different laboratory techniques and methods, compared to milk samples with equivalent volumes of phosphate-buffered saline added. Assays considered included Biuret’s test for total protein measurement, CH50 assays of whole complement activity, pH measurements and total cell counts.
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Why is it important?
Ethylene diamine tetraacetic acid (EDTA) is a chelator for metal ions that has found widespread application in modern medicine and pharmacy. However, few studies have examined the cytotoxic side-effects of EDTA when added to biological samples upon various laboratory analyses. he possible cytotoxic effects of this agent when used with biological samples for laboratory analysis need to be considered carefully and adequate measures need to be taken to minimize such effects.
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This page is a summary of: Cytotoxicity of EDTA used in biological samples: effect on some human breast-milk studies, Journal of Applied Toxicology, November 1999, Wiley,
DOI: 10.1002/(sici)1099-1263(199911/12)19:63.0.co;2-5.
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