Evaluation of Cd-induced cytotoxicity in primary human keratinocytes

Romashin, D.; Arzumanian, V.; Poverennaya, E.; Varshaver, A.; Luzgina, N.; Rusanov, A.

Авторы: Romashin Daniil, Arzumanian Viktoriia, Poverennaya Ekaterina, Varshaver Alexandra, Luzgina Nataliya, Rusanov Alexander
Журнал: Human and Experimental Toxicology
Том: 43
Год издания: 2024
Издательство: SAGE Publications
Местоположение издательства: United States
DOI: 10.1177/09603271231224458
Аннотация: An increasing number of studies have investigated the effects of Cd on human health. Cd-induced dermatotoxicity is an important field of research, but numerous studies have focused on the effects of Cd on the human skin. Moreover, most studies have been performed using HaCaT cells but not primary keratinocytes. In this study, we provide the results describing the cytotoxic effects of Cd exposure on primary human epidermal keratinocytes obtained from different donors. The subtoxic concentration of cadmium chloride was determined via MTT assay, and transcriptomic analysis of the cells exposed to this concentration (25 µM) was performed. As in HaCaT cells, Cd exposure resulted in increased ROS levels, cell cycle arrest, and induction of apoptosis. In addition, we report that exposure to Cd affects zinc and copper homeostasis, induces metallothionein expression, and activates various signaling pathways, including Nrf2, NF-kB, TRAIL, and PI3K. Cd induces the secretion of various cytokines (IL-1, IL-6, IL-10, and PGE2) and upregulates the expression of several cytokeratins, such as KRT6B, KRT6C, KRT16, and KRT17. The results provide a better understanding of the mechanisms of cadmium-induced cytotoxicity and its effect on human epidermal skin cells.
Добавил в систему: Ромашин Даниил Дмитриевич

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