期刊
PROTEOMICS
卷 11, 期 10, 页码 1903-1914出版社
WILEY
DOI: 10.1002/pmic.201000580
关键词
Animal proteomics; Biomarkers; 2-DE; DON; Mycotoxins
资金
- EU [FOOD-CT-2005-016320]
- NIEHS, USA [ES06052]
The mycotoxin deoxynivalenol (DON) contaminates cereals worldwide and is a common contaminant in the Western European diet. At high doses, DON induces acute gastrointestinal toxicity; chronic, low-dose effects in humans are not well described, but immunotoxicity has been reported. In this study, 2-DE was used to identify proteomic changes in human B (RPMI1788) and T (JurkatE6.1) lymphocyte cell lines after exposure to minimally toxic concentrations (up to 500 ng/mL) for 24 h. Proteins which changed their abundance post treatment, by a greater than 1.4-fold change reproducible in three separate experiments consisting of 36 gels in total, are ubiquitin carboxyl-terminal hydrolase isozyme L3, proteasome subunit beta type-4 and alpha type-6, inosine-5'-monophosphate dehydrogenase 2, GMP synthase, microtubule-associated protein RP/EB family member 1 (EB1), RNA polymerases I, II, III subunit ABC1, triosephosphate isomerase and transketolase. Flow cytometry was used to validate changes to protein expression, except for EB1. These findings provide insights as to how low-dose exposure to DON may affect human immune function and may provide mechanism-based biomarkers for DON exposure.
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