Evaluating Hemolytic and Photo Hemolytic Potential of Organophosphorus by In Vitro Method as an Alternative Tool Using Human Erythrocytes

Author(s): Ana L.G. Soria, Fabiola R. Ramirez, Alberto B. Pliego, Héctor R.D. Guadarrama, Guadalupe P.M. Farrera, Gilberto Y. Angel, Juan C.V. Chagoyán, Raafat M.M. Gomaa, Esvieta Tenorio-Borroto*.

Journal Name: Current Topics in Medicinal Chemistry

Volume 20 , Issue 9 , 2020

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Abstract:

Aims: The present study aims to determine the phototoxic and haemolytic activity of organophosphorus. The use of alternative in vitro assays with human erythrocytes is suggested to predict the polluting effect of these products on health.

Methodology: Human erythrocytes from Toluca Blood Bank were used. Sodium dodecyl sulfate was employed as a positive control. Additionally, the haemolysis percentage of three organophosphate (Acetate, Chlorpyrifos, Malathion, Methamidophos, Methyl Parathion) induced photo haemolysis formulated with surfactants on a concentration of 2 x 109 erythrocytes were evaluated. Finally, the products were classified as irritant or phototoxic.

Results: Results showed that the HC50 red blood cells were similar for each organophosphate (Malathion and Methamidophos) indicating very irritant action with ratio classification (L/D) of 0.041 and 0.053, respectively. On the other hand, Chlorpyrifos was classified as an irritant with L/D= 0.14. On the other hand, the HC50 obtained photo hemolysis assays irradiated red blood cells was similar for each organophosphate (Acetate, Chlorpyrifos, Malathion, Methamidophos, Methyl Parathion) indicating no phototoxic action.

Conclusion: As a conclusion, it can be said that the parameters of haemolysis and denaturation of proteins are good indicators to classify organophosphorus formulated with surfactants as irritating or phototoxic.

Keywords: Erythrocyte, Hemolysis, Human, In vitro, Organophosphorus, Phototoxicity.

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Article Details

VOLUME: 20
ISSUE: 9
Year: 2020
Page: [738 - 745]
Pages: 8
DOI: 10.2174/1568026620666200226104029
Price: $65

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