How some mammals pause their pregnancies

How do some mammals postpone the development of their embryos to await better conditions for having offspring? A recent study at the UW Medicine Institute for Stem Cell and Regenerative Medicine explored this reproductive ...

Snake stem cells used to create venom-producing organoids

Organoids have become an important tool for studying many disease processes and testing potential drugs. Now, they are being used in a surprising and unexpected way: for the production of snake venom. On January 23 in the ...

The perfect tempo within the cells to develop vertebrae

Timing is everything when it comes to the embryonic development of pre-vertebrae divisions along the body of an embryo, according to researchers in Japan. A new live-imaging technique in mouse cells suggests a specific clock ...

Research identifies earlier origin of neural crest cells

Neural crest cells—embryonic cells in vertebrates that travel throughout the body and generate many cell types—have been thought to originate in the ectoderm, the outermost of the three germ layers formed in the earliest ...

Size matters: How cells pack in epithelial tissues

Small-cell clones in proliferating epithelia—tissues that line all body surfaces—organize very differently than their normal-sized counterparts, according to a recent study from the Stowers Institute for Medical Research. ...

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