期刊
RADIATION RESEARCH
卷 178, 期 5, 页码 379-384出版社
RADIATION RESEARCH SOC
DOI: 10.1667/RR2888.1
关键词
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资金
- National Research Foundation of Korea (NRF)
- Korea government (MEST) [2011-0019008]
- National Research Foundation of Korea [2011-0019008] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Lee, J-R., Ahn, K., Kim, Y-J., Jung, Y-D. and Kim, H-S. Radiation-Induced Human Endogenous Retrovirus (HERV)R env Gene Expression by Epigenetic Control. Radial. Res. 178, 379-384 (2012). It is commonly accepted that ionizing radiation induces genomic instability by changes in genomic structure, epigenetic regulation and gene expression. Human endogenous retroviruses (HERV)-R also are often differentially expressed between normal and disease tissues under unstable genomic conditions and are implicated in the pathogenesis of several human diseases. To understand the influence of ionizing radiation on HERV-R expression, we performed quantitative reverse transcription-polymerase chain reaction (RT-PCR) analyses using gamma-irradiated normal human cells. Compared to nonirradiated cells, HERV-R expression was up-regulated in gamma-irradiated cells. The regulatory mechanism of HERV-R expression in irradiated cells was investigated by methylation analyses of HERV-R 5'LTRs and treatment with garcinol. These data indicated that the up-regulated transcription of HERV-R may be regulated by radiation-induced epigenetic changes induced by histone modification, and thus could be of great importance for understanding the relationship between radiation-induced biological effects and transposable elements. (C) 2012 by Radiation Research Society
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