Early embryogenesis in zebrafish is affected by bisphenol A exposure

William K.F. Tse, Bonnie H.Y. Yeung, H. T. Wan, Chris K.C. Wong

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Exposure of a developing embryo or fetus to endocrine disrupting chemicals (EDCs) has been hypothesized to increase the propensity of an individual to develop a disease or dysfunction in his/her later life. Although it is important to understand the effects of EDCs on early development in animals, sufficient information about these effects is not available thus far. This is probably because of the technical difficulties in tracing the continuous developmental changes at different stages of mammalian embryos. The zebrafish, an excellent model currently used in developmental biology, provides new insights to the field of toxicological studies. We used the standard whole-mount in situ hybridization screening protocol to determine the early developmental defects in zebrafish embryos exposed to the ubiquitous pollutant, bisphenol A (BPA). Three stages (60-75% epiboly, 8-10 somite, and prim-5) were selected for in situ screening of different molecular markers, whereas BPA exposure altered early dorsoventral (DV) patterning, segmentation, and brain development in zebrafish embryos within 24 hours of exposure.

Original languageEnglish
Pages (from-to)466-471
Number of pages6
JournalBiology Open
Volume2
Issue number5
DOIs
Publication statusPublished - May 15 2013

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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