ArticleDifferentiation; research in biological diversity
NSAID-mediated cyclooxygenase inhibition disrupts ectodermal derivative formation in axolotl embryos.
Article in Differentiation; research in biological diversity. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Spatiotemporal characterization of cyclooxygenase pathway enzymes during vertebrate embryonic development.Developmental biology · 2025Article
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Abstract
Embryonic exposures to non-steroidal anti-inflammatory drugs (NSAIDs) have been linked to preterm birth, neural tube closure defects, abnormal enteric innervation, and craniofacial malformations, potentially due to disrupted neural tube or neural crest (NC) cell development. Naproxen (NPX), a common non-steroidal anti-inflammatory drug (NSAID) used to relieve pain and inflammation, exerts its effects through non-selective cyclooxygenase (COX) inhibition. Our lab has identified that the cyclooxygenase (COX-1 and COX-2) isoenzymes are expressed during the early stages of vertebrate embryonic development, and that global inhibition of COX-1 and COX-2 function disrupts NC cell migration and differentiation in Ambystoma mexicanum (axolotl) embryos. NC cells differentiate into various adult tissues including craniofacial cartilage, bone, and neurons in the peripheral and enteric nervous systems. To investigate the specific phenotypic and molecular effects of NPX exposure on NC development and differentiation, and to identify molecular links between COX inhibition and NC derivative anomalies, we exposed late neurula and early tailbud stage axolotl embryos to various concentrations of NPX and performed immunohistochemistry (IHC) for markers of migratory and differentiating NC cells. Our results reveal that NPX exposure impairs the migration of SOX9+ NC cells, leading to abnormal development of craniofacial cartilage structures, including Meckel's cartilage in the jaw. NPX exposure also alters the expression of markers associated with peripheral and central nervous system (PNS and CNS) development, suggesting concurrent neurodevelopmental changes.
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