A University of California, Riverside study reports that cells in the earliest stages of human development could be susceptible to infection by SARS-CoV-2, which causes COVID-19, offering new insight ...

Humans have around 30 trillion cells in our adult bodies. Amazingly, each of these cells came from a handful of about 100 ...

As the agency evaluates the utility of human embryonic stem cells in research, scientists warn that restricting the cells ...

The International Society for Stem Cell Research (ISSCR) has submitted a formal response to a Request for Information (RFI) issued by the National Institutes of Health (NIH) regarding its pause on new ...

China has delivered the world's first human artificial embryo models to orbit to test how microgravity affects human ...

Microscopy image of a PGA at day 8 showing the early tissues supporting the embryo, including the amniotic sac and the yolk sac-like structures, surrounded by (extra-embryonic) mesoderm tissue.

"Can humans survive and reproduce in space?" ...

The discovery of a gene essential to early embryonic development sheds light on the preliminary stages of human placenta formation. A team led by scientists from the University of California San Diego ...

For individuals with inherited eye disorders such as retinitis pigmentosa or macular degeneration, the irreversible degeneration of the retina—a layer of photoreceptors at the back of the eye—can ...

Researchers at the Francis Crick Institute have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four ...