Hematological variations in healthy participants exposed 2 h to propylene glycol ethers under controlled conditions.
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| Abstract |
Glycol ethers are solvents used in a plethora of occupational and household products exposing the users to potential toxic effects. Several glycol ethers derived from ethylene glycol induce hematological toxicity, such as anemia in workers. The exposure effects on blood cells of glycol ethers derived from propylene glycol are unknown in humans. The aim of our study was to evaluate blood parameters indicative of red blood cell (RBC) hemolysis and oxidative stress in participants exposed to propylene glycol (propylene glycol monobutyl ether (PGBE) and propylene glycol monomethyl ether (PGME)), two extensively used propylene glycol derivatives worldwide. Seventeen participants were exposed 2 h in a control inhalation exposure chamber to low PGME (35 ppm) and PGBE (15 ppm) air concentrations. Blood was regularly collected before, during (15, 30, 60, and 120 min), and 60 min after exposure for RBC and oxidative stress analyses. Urine was also collected for clinical effects related to hemolysis. Under the study conditions, our results showed that the blood parameters such as RBCs, hemoglobin concentration, and white blood cells tended to increase in response to PGME and PGBE exposures. These results raise questions about the possible effects in people regularly exposed to higher concentrations, such as workers.
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| Authors | Myriam Borgatta, Pascal Wild, Julien Delobel, Raffaele Renella, Nancy B Hopf |
| Journal | The Science of the total environment (Sci Total Environ) Vol. 879 Pg. 162865 (Jun 25 2023) ISSN: 1879-1026 [Electronic] Netherlands |
| PMID | 36933710 (Publication Type: Journal Article) |
| Copyright | Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved. |
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