Chapter title |
Effect of Radiation on the Expression of Taurine Transporter in the Intestine of Mouse
|
---|---|
Chapter number | 57 |
Book title |
Taurine 10
|
Published in |
Advances in experimental medicine and biology, January 2017
|
DOI | 10.1007/978-94-024-1079-2_57 |
Pubmed ID | |
Book ISBNs |
978-9-40-241077-8, 978-9-40-241079-2
|
Authors |
Takenori Yamashita, Toshihiro Kato, Masahiro Tunekawa, Yeunhwa Gu, Shumin Wang, Ning Ma |
Abstract |
There has been a growing interest on the effects of radiation since the Fukushima nuclear power plant accident of 2011. Taurine has been reported to have a radioprotective effect in irradiated mice. However, the detailed mechanism of this radioprotective effect is still awaiting clarification. The aim of this study was to investigation how radiation affects the expression of taurine and to shed light on the mechanism accounting for radioprotective and radiation mitigating effect. Six-week-old male mice were randomly divided into two groups: IR group (7 Gy irradiation) and IR + Tau group (7 Gy irradiation + taurine 3000 mg/kg/day). We examined the survival rate, the expression of taurine and taurine transporter in the small intestine and the urinary taurine concentration. In this study, no statistically significant difference was found in the survival rate between IR Group and IR + Tau Group. Three days and 7 days after irradiation, the urinary taurine concentration of IR + Tau group increased more than that of IR group. Three days and 10 days after irradiation, the expression of taurine and taurine transporter in the small intestine of IR group and IR + Tau group decreased more than that of normal small intestine. It is reported that radiation exposure increases the urinary taurine concentration. We found that the radiation exposure decreases the expression of the taurine transporter in the small intestine of mouse. This finding suggests that a decrease in the expression of the taurine transporter promotes the release of taurine from the tissue into the urine. |
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