Gene expression characteristics in the Japanese Medaka (Oryzias latipes) liver after exposure to endocrine disrupting chemicals

Han Na Kim, Kyeong Seo Park, Sung Kyu Lee, Man Bock Gu

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Abstract

Endocrine disrupting chemicals (EDCs) are of concerning chemicals due to their ability to make damage or alter hormonal activities in living organisms. In this study, therefore, toxicogenomic analyses using a real time RT-PCR technique have been conducted to characterize the responses of male Japanese Medaka and to provide valuable information about the toxicological properties and their hazardous effects of three EDCs, i.e., 17-beta estradiol (E 2), nonylphenol (NP) and bisphenol A (BPA), to Japanese medaka fish. For doing that, the expression kinetics of female-related genes and other cellular toxicity representative genes, including vitellogenin (yolk protein precursor), choriogenin L (inner membrane precursor of egg), cytochrome P450 1A (CYP1A) and heat shock protein 70 (HSP70) were used. Gene expression levels at three different times after exposure with two different concentrations of EDCs were quantified by measuring messenger RNA (mRNA) concentrations in the liver extracts using the Taqman based real-time PCR method. The results showed that E2 causes a strong estrogenic effect even at a concentration of only 1 ppb, while NP and BPA were found to cause some form of cellular toxicity, and an estrogenic effect with inducing the production of HSP 70, respectively. Keywords: Choriogenin L, endocrine disrupting chemicals, Oryzias latipes, real time PCR, vitellogenin, 17-beta estradiol (E2), bisphenol A (BPA), cytochrome P450 1A (CYP1A), heat shock protein 70 (HSP 70), nonylphenol (NP)

Original languageEnglish
Title of host publicationAdvanced Environmental Monitoring
PublisherSpringer Netherlands
Pages338-347
Number of pages10
ISBN (Print)9781402063633
DOIs
Publication statusPublished - 2008 Dec 1

Fingerprint

gene expression
heat shock
protein
cytochrome
toxicity
gene
RNA
exposure
chemical
egg
membrane
kinetics
damage
fish
effect

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Gene expression characteristics in the Japanese Medaka (Oryzias latipes) liver after exposure to endocrine disrupting chemicals. / Na Kim, Han; Seo Park, Kyeong; Lee, Sung Kyu; Gu, Man Bock.

Advanced Environmental Monitoring. Springer Netherlands, 2008. p. 338-347.

Research output: Chapter in Book/Report/Conference proceedingChapter

Na Kim, Han ; Seo Park, Kyeong ; Lee, Sung Kyu ; Gu, Man Bock. / Gene expression characteristics in the Japanese Medaka (Oryzias latipes) liver after exposure to endocrine disrupting chemicals. Advanced Environmental Monitoring. Springer Netherlands, 2008. pp. 338-347
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