2022
DOI: 10.1007/s11356-022-24531-2
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Developmental exposure to triclosan and benzophenone-2 causes morphological alterations in zebrafish (Danio rerio) thyroid follicles and eyes

Abstract: Thyroid hormones (THs) regulate a multitude of developmental and metabolic processes, which are responsible for vertebrate development, growth, and maintenance of homeostasis. THs also play a key role in neurogenesis of vertebrates and thus affect eye development, which is vital for foraging efficiency and for effective escape from predation. Currently, there are no validated test guidelines for the assessment of TH system-disrupting chemicals (THSDCs) in fish. Consequently, the present study was designed to d… Show more

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Cited by 11 publications
(9 citation statements)
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“…The aim of the present study was to complement previous research and ongoing work on TH system disruption and its effects on zebrafish eye development (Baumann et al, 2016, 2019; Gölz et al, 2022; Holbech et al, 2020; Kraft et al, 2023). The results indicate that different modes of action of THSDCs disrupt zebrafish eye development at different biological levels and in different ways.…”
Section: Discussionmentioning
confidence: 85%
See 1 more Smart Citation
“…The aim of the present study was to complement previous research and ongoing work on TH system disruption and its effects on zebrafish eye development (Baumann et al, 2016, 2019; Gölz et al, 2022; Holbech et al, 2020; Kraft et al, 2023). The results indicate that different modes of action of THSDCs disrupt zebrafish eye development at different biological levels and in different ways.…”
Section: Discussionmentioning
confidence: 85%
“…This transgenic line expresses a membrane version of the red fluorescent protein mCherry in the thyroid follicles through the thyroglobulin (tg) gene (Opitz et al, 2012), the main precursor of THs. The transgenic line can thus be used to screen chemicals for their potential to disrupt thyroid function in embryonic stages (Jarque et al, 2018; Kraft et al, 2023). The present study used it as a tool to screen for specific effects of THSDCs with respect to morphological changes in thyroid follicles in 5 days postfertilization (dpf) embryos.…”
Section: Introductionmentioning
confidence: 99%
“…A series of histopathological anomalies in the eye of zebrash larvae exposed to micropollutants were reported. 50,93 Apoptosis induced by toxicants is the potential reason for structural changes in the eye of zebrash. 61 During eye development, apoptotic death of the eye occurs through the casp3 gene regulation pathway.…”
Section: Discussionmentioning
confidence: 99%
“…In five-day-old zebrafish embryos, histopathology of thyroid follicles remains difficult due to size limitations in such an early developmental stage. This size restriction, however, can be overcome by the use of transgenic zebrafish strains (Opitz et al, 2012), which is currently under development for potential use in OECD TGs (Kraft et al, 2023) or by immunostaining of the follicles (Rehberger et al, 2018).…”
Section: Thyroid Follicle Histopathologymentioning
confidence: 99%