Butylparaben promotes phosphatidylserine exposure and procoagulant activity of human red blood cells via increase of intracellular calcium levels
- Authors
- Ko, Yeonju; Kim, Eun-Hye; Kim, Donghyun; Choi, Sungbin; Gil, Junkyung; Park, Han Jin; Shin, Yusun; Kim, Wondong; Bae, Ok-Nam
- Issue Date
- Nov-2023
- Publisher
- Elsevier Ltd
- Keywords
- Butylparaben (BuP); Intracellular calcium ion level; Procoagulant activity; Red blood cells (RBCs); Shear stress
- Citation
- Food and Chemical Toxicology, v.181, pp 1 - 9
- Pages
- 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- Food and Chemical Toxicology
- Volume
- 181
- Start Page
- 1
- End Page
- 9
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/115485
- DOI
- 10.1016/j.fct.2023.114084
- ISSN
- 0278-6915
1873-6351
- Abstract
- Parabens are widely used as preservatives, added to products commonly used by humans, and to which individuals are exposed orally or dermally. Once absorbed into the body, parabens move into the bloodstream and travel through the systemic circulation. We investigated the potential impact of parabens on the enhanced generation of thrombin by red blood cells (RBCs), which are the principal cellular components of blood. We tested the effects of methylparaben (MeP), ethylparaben (EtP), propylparaben (PrP), butylparaben (BuP), and p-hydroxybenzoic acid on freshly isolated human RBCs. BuP and simultaneous exposure to BuP and PrP significantly increased phosphatidylserine (PS) externalization to the outer membranes of RBCs. PS externalization by BuP was found to be mediated by increasing intracellular Ca2+ levels in RBCs. The morphological changes in BuP-treated RBCs were observed under an electron microscope. The BuP-exposed RBCs showed increased thrombin generation and adhesion to endothelial cells. Additionally, the externalization of PS exposure and thrombin generation in BuP-treated RBCs were more susceptible to high shear stress, which mimics blood turbulence under pathological conditions. Collectively, we observed that BuP induced morphological and functional changes in RBCs, especially under high shear stress, suggesting that BuP may contribute to the thrombotic risk via procoagulant activity in RBCs. © 2023 Elsevier Ltd
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