| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Male MRL/MpJ mice produce not only spermatogenic cells but also oocytes in their testes during fetal to neonatal life. In this study, functions of testicular oocytes and mechanisms of testicular oocyte production were studied. First, DNA methylation status of testicular oocytes was similar to ovarian oocytes at the same age. Additionally, there were at least two responsible genes in this phenotype, one on chromosome Y and the other on chromosome 1. Moreover, the expression of ovary-determining genes which should be inhibited in fetal testes was observed in fetal testes of MRL mice indicating its relationship to the production of testicular oocytes.
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