| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Establishing an improved in vitro method is required for increasing the quality of embryos, and will contribute to enhancing reproductive efficiency in humans and domestic animals. In the present study, we assessed the effects of near-infrared laser irradiation on the in vitro development of mammalian embryos. Our study revealed that near-infrared laser irradiation of cryopreserved blastocysts had positive effects on their subsequent development. Moreover, our data suggested that one of the key factors that affect the efficacy of near-infrared laser irradiation for blastocyst stage embryos is low level of ROS. These results support that our method may be useful for improving the quality of embryos and contribute to improvements in reproductive technologies in mammals.
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