Machiko Maeda

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BACKGROUND We report a very rare case of the successful delivery of a healthy infant fathered by an infertile chimera. METHODS ICSI was performed using frozen sperm. The karyotypes of peripheral lymphocytes were examined with a G-banding stain. RESULTS Chromosomal analysis prior to ICSI revealed a 46, XX [28]/46, XY [2] karyotype chimera. As an infant,(More)
Tocotrienol is an antioxidant which has found commercial application as a food additive and health supplement all over the world. Since there have been no reports regarding toxicological effects of long-term exposure, we performed a 52-week chronic study using Wistar Hannover rats of both sexes given the compound at doses of 0, 0.08, 0.4 or 2% in powdered(More)
A recent study using c-Ha-ras proto-oncogene transgenic (rasTg) rats demonstrated possible enhancing effects of diacylglycerol (DAG) on 4-nitroquinoline 1-oxide (4NQO) induced carcinogenesis of the tongue. To assess effects in their Sprague-Dawley back strain, a two-stage carcinogenesis study using 4NQO as an initiator was performed. Groups of 30 male rats(More)
We investigated the thermal effects of radiofrequency electromagnetic fields (RF-EMFs) on the variation in core temperature and gene expression of some stress markers in rats. Sprague-Dawley rats were exposed to 2.14 GHz wideband code division multiple access (W-CDMA) RF signals at a whole-body averaged specific absorption rate (WBA-SAR) of 4 W/kg, which(More)
With the widespread use of radio-frequency devices, it is increasingly important to understand the biological effects of the associated electromagnetic fields. Thus, we investigated the effects of radio-frequency electromagnetic fields (RF-EMF) on T cell responses during development due to the lack of science-based evidence for RF-EMF effects on(More)
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