Rare stem cells in testis that produce a biomarker protein called PAX7 help give rise to new sperm cells -- and may hold a key to restoring fertility, research suggests. Infertility, which the Centers for Disease Control estimates affects as many as 4.7 million men in the United States, is a key complication of cancer treatments, such as chemotherapy and radiation therapy.
Rare stem cells in testis that produce a biomarker protein called PAX7 help give rise to new sperm cells -- and may hold a key to restoring fertility, research suggests. Infertility, which the Centers for Disease Control estimates affects as many as 4.7 million men in the United States, is a key complication of cancer treatments, such as chemotherapy and radiation therapy.
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