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In vitro gametogenesis

Researchers from the University of Pennsylvania studied sperm biogenesis in the marmoset, a small monkey species. Providing marmoset inducible pluripotent stem cells with appropriate growth conditions and signals, they were able to coax the cells to begin to resemble primordial germ cells, the precursors of sperm and eggs, that are found in marmoset embryos.

Rewiring blood cells to give rise to precursors of sperm

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