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2023

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cc-by-nc-nd (c) Noelia G. Romero, et al., 2023
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/219030

Developmental neurotoxicity evaluation of three Chinese herbal medicines in zebrafish larvae by means of two behavioral assays: Touch-evoked response and light/dark transition  

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https://doi.org/10.1016/j.reprotox.2023.108469

Abstract

Chinese herbal medicine (CHM) is used among pregnant women. However, the question of its safety during pregnancy remains unclear. The use of these products relies on history of use data but there are specific toxicities like developmental neurotoxicity that are clearly understudied. Here we use the zebfrafish embryo developmental toxicity assay (ZEDTA) in combination with two behavioral assays: touch-evoked response and Light/Dark (L/D) transition assay to evaluate the neuro/developmental toxicity of three herbal products commonly used in CHM [Chinese name (abbreviation; part of the plant and Scientific name]: tian ma (TM; tuber form Gastrodia elata Blume), lei gong teng (LGT; root and rhizome of Tripterygium wilfordii Hook.f) and cha ye (green tea, leaves from Camellia sinensis (L.) Kuntze). In case significant alterations were detected, single components with potential exposure during pregnancy were identified in the literature and further tested. TM had no neurodevelopmental toxic potential in zebrafish embryos, while LGT and its main compounds triptolide and celastrol induced significant alterations in behavior. Developmental exposure to EGCG, the main catechin of green tea, also produced significant alterations in zebrafish embryos behavior after developmental exposure. A combination of ZEDTA with L/D Transition assay is proposed as a useful combination of alternative methods for DNT assessment of CHM products together with other New Approach Methodologies (NAMs). Keywords: Alternative methods; Herbal products; NAMs (New Approach Methodologies); Pregnancy; Prenatal development; Traditional use.

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Peix zebra, Embaràs, Toxicologia

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Zebra danio, Pregnancy, Toxicology

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Articles publicats en revistes (Farmacologia, Toxicologia i Química Terapèutica)

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ROMERO, Noelia Giselle, et al. Developmental neurotoxicity evaluation of three Chinese herbal medicines in zebrafish larvae by means of two behavioral assays: Touch-evoked response and light/dark transition  . Reproductive Toxicology. 2023. Vol. 121, num. 108469. ISSN 0890-6238. [consulted: 12 of August of 2026]. Available at: https://hdl.handle.net/2445/219030

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