Activin in Testicular Development and Disease

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A man's reproductive health and fertility is affected by processes that occur long before adulthood. The testis and sperm precursor cells first form in the fetus and then grow until the time of puberty, when the upper limit for sperm production is set. This project studies how one key signaling molecule, activin, helps establish normal testicular architecture and drives maturation of sperm precursor cells, and how it contributes to aberrent function in men with testicular cancer.