Endosulfan-induced biomarkers in Japanese rice fish (Oryzias latipes) analyzed by SELDI-TOF-MS

Sung Eun Lee, Choi Young-Woong, Hyoung Ho Mo, Jino Son, Kyeonghun Park, Ki Jong Cho

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The objective of this study was to find and validate estrogen-related biomarkers from plasma proteins in Oryzias latipes after exposure to an estrogen disrupting compound, α-endosulfan. The acute toxicity of α-endosulfan on O. latipes after 96 h of exposure was 13.72, 16.18, and 22.18 μg L-1 for the LC10, LC20, and LC50 values, respectively. To confirm estrogenic disturbance by α-endosulfan, the expression level of vitellogenin in the liver of male fishes was measured at the LC10 value, and it was found to be significantly different from the reference group, confirming the estrogenic effect of endosulfan in this concentration range. Proteinchip® array techniques using a weak cation exchange (CM10) and a strong anion exchange proteinchip (Q10) in conjunction with surface-enhanced laser desorption/ionization time of flight mass spectrometry (SELDI-TOF-MS) were used to determine plasma proteins of O. latipes differently expressed in response to endosulfan exposure at LC10 and LC20 concentrations. Analysis of protein profiling of the male fish exposed to α-endosulfan detected 48 significantly different protein peaks and the proteins at m/z 2819, 8462, 8860, and 9462 were significantly different (p<0.05). The protein peaks at m/z 2819, 8860, and 9462 were up-regulated and the peak at m/z 8462 was down-regulated. Therefore, these four differentially expressed proteins could be used as biomarkers to rapidly determine a possible risk of endosulfan on aquatic ecosystems, although these are not necessarily produced as a result of endocrine disruption.

Original languageEnglish
Pages (from-to)343-349
Number of pages7
JournalInternational Journal of Biological Sciences
Volume9
Issue number4
DOIs
Publication statusPublished - 2013 Apr 13
Externally publishedYes

Fingerprint

Endosulfan
Oryzias
Oryzias latipes
endosulfan
desorption
ionization
lasers
biomarker
biomarkers
Mass Spectrometry
Lasers
rice
mass spectrometry
Biomarkers
laser
protein
fish
Protein Array Analysis
Estrogens
Proteins

Keywords

  • α-endosulfan
  • Biomarkers
  • Oryzias latipes
  • SELDI-TOF-MS
  • Vitellogenin

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Molecular Biology
  • Ecology, Evolution, Behavior and Systematics
  • Applied Microbiology and Biotechnology

Cite this

Endosulfan-induced biomarkers in Japanese rice fish (Oryzias latipes) analyzed by SELDI-TOF-MS. / Lee, Sung Eun; Young-Woong, Choi; Mo, Hyoung Ho; Son, Jino; Park, Kyeonghun; Cho, Ki Jong.

In: International Journal of Biological Sciences, Vol. 9, No. 4, 13.04.2013, p. 343-349.

Research output: Contribution to journalArticle

Lee, Sung Eun ; Young-Woong, Choi ; Mo, Hyoung Ho ; Son, Jino ; Park, Kyeonghun ; Cho, Ki Jong. / Endosulfan-induced biomarkers in Japanese rice fish (Oryzias latipes) analyzed by SELDI-TOF-MS. In: International Journal of Biological Sciences. 2013 ; Vol. 9, No. 4. pp. 343-349.
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