The path of primordial germ cells illustrates the complexities of imprinted DNA, which contains epigenetic marks that turn on and off when necessary. Differences between the maternal and paternal ...

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Even before gene splicing became routine, a germ agent could be perfected in a few years, while a vaccine often took a decade to make and win approval. More than a decade after the Gulf War ...

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What are germ cell and sex cord stromal cells? Germ cells and sex cord stromal cells form when a fetus (baby) is developing. A fetus is made from a sperm cell and an egg cell. Germ cell tumors (GCTs) ...

Two weeks after a human egg is fertilized, primordial germ cells (PGCs), which develop into sperm and eggs, are formed. In six to 10 weeks after fertilization, PGCs differentiate into pro ...

MSK surgeons do more than 200 testicular procedures each year. Surgery may be the only treatment you need for early-stage germ cell tumors that have not spread beyond the testicle. After surgery, you ...