Developmental Toxicity and Apoptosis in Zebrafish: The Impact of Lithium Hexafluorophosphate (LiPF) from Lithium-Ion Battery Electrolytes

Overview

Journal Int J Mol Sci

Publisher MDPI

Specialties Biochemistry
Chemistry
Molecular Biology

Date 2024 Sep 14

PMID 39273255

Authors

Boyu Yang

Luning Sun

Zheng Peng

Qing Zhang

Mei Lin

Zhilin Peng

Lan Zheng

Affiliations

Soon will be listed here.

Abstract

With the growing dependence on lithium-ion batteries, there is an urgent need to understand the potential developmental toxicity of LiPF, a key component of these batteries. Although lithium's toxicity is well-established, the biological toxicity of LiPF has been minimally explored. This study leverages the zebrafish model to investigate the developmental impact of LiPF exposure. We observed morphological abnormalities, reduced spontaneous movement, and decreased hatching and swim bladder inflation rates in zebrafish embryos, effects that intensified with higher LiPF concentrations. Whole-mount in situ hybridization demonstrated that the specific expression of the swim bladder outer mesothelium marker anxa5b was suppressed in the swim bladder region under LiPF exposure. Transcriptomic analysis disclosed an upregulation of apoptosis-related gene sets. Acridine orange staining further supported significant induction of apoptosis. These findings underscore the environmental and health risks of LiPF exposure and highlight the necessity for improved waste management strategies for lithium-ion batteries.

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