Related topics: stem cells

Embryo blood cells are stem cell–independent

The fetal liver is the major hematopoietic organ during the embryonic stage. It is generally believed that hematopoietic hierarchy in the fetal liver is established through the differentiation of fetal hematopoietic stem ...

Mouse sperm need a molecular VIP pass to reach the egg membrane

In most animals and plants, the life cycle of an individual begins with fertilization, when egg and sperm fuse to combine their genetic material. Together, they form the zygote, the first cell of an embryo that will eventually ...

Researchers crack the code of a deadly virus

Venezuelan equine encephalitis virus (VEEV) is an unforgiving killer of horses, donkeys and zebras, resulting in mortality as high as 80 percent of infected animals. It causes rapid, catastrophic swelling of the brain and ...

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