A Realistic Mixture of Ubiquitous Persistent Organic Pollutants Affects Bone and Cartilage Development in Zebrafish by Interaction with Nuclear Receptor Signaling

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2024 Mar 28

PMID 38547142

Authors

Gustavo Guerrero-Limon

Jeremie Zappia

Marc Muller

Affiliations

Soon will be listed here.

Abstract

"Persistent organic pollutants (POPs)" have a plethora of deleterious effects on humans and the environment due to their bioaccumulative, persistent, and mimicking properties. Individually, each of these chemicals has been tested and its effects measured, however they are rather found as parts of complex mixtures of which we do not fully grasp the extent of their potential consequences. Here we studied the effects of realistic, environmentally relevant mixtures of 29 POPs on cartilage and bone development using zebrafish as a model species. We observed developmental issues in cartilage, in the form of diverse malformations such as micrognathia, reduced size of the Meckel's and other structures. Also, mineralized bone formation was disrupted, hence impacting the overall development of the larvae at later life stages. Assessment of the transcriptome revealed disruption of nuclear receptor pathways, such as androgen, vitamin D, and retinoic acid, that may explain the mechanisms of action of the compounds within the tested mixtures. In addition, clustering of the compounds using their chemical signatures revealed structural similarities with the model chemicals vitamin D and retinoic acid that can explain the effects and/or enhancing the phenotypes we witnessed. Further mechanistic studies will be required to fully understand this kind of molecular interactions and their repercussions in organisms. Our results contribute to the already existing catalogue of deleterious effects caused by exposure to POPs and help to understand the potential consequences in at risk populations.

Citing Articles

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Lin Q, Jin L, Peng R Int J Mol Sci. 2025; 26(2).

PMID: 39859497 PMC: 11765702. DOI: 10.3390/ijms26020780.

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