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☆ Israeli Scientists Create Model of Human Embryo Without Eggs or Sperm
▼ + stars: | 2023-09-07 | by ( Sept. | At P.M. | ) www.usnews.com time to read: +3 min

REHOVOT, Israel (Reuters) - Scientists in Israel have created a model of a human embryo from stem cells in the laboratory, without using sperm, eggs or a womb, offering a unique glimpse into the early stages of embryonic development. "The question is, when does an embryo model become considered an embryo? At the moment we are really, really far off from that point," said team leader Jacob Hanna. "None of these models fully recapitulate natural human development but each adds to ways in which many aspects of human development can now be studied experimentally," she said. The study raises some ethical questions over the possibility of potential future manipulation in human embryo development, Hanna and others noted.

Persons: Jacob Hanna, Hanna, Magdalena Żernicka, Goetz, Rami Amichay, Ari Rabinovitch, Mark Heinrich Organizations: Israel's Weizmann Institute of Science, International Society for Stem Cell Research, University of Cambridge Locations: REHOVOT, Israel, Boston

☆ Israeli scientists create model of human embryo without eggs or sperm
▼ + stars: | 2023-09-07 | by ( ) www.reuters.com time to read: +3 min

The Israeli team emphasised that they were a long way from being able to create an embryo from scratch. "The question is, when does an embryo model become considered an embryo? At the moment we are really, really far off from that point," said team leader Jacob Hanna. "None of these models fully recapitulate natural human development but each adds to ways in which many aspects of human development can now be studied experimentally," she said. The study raises some ethical questions over the possibility of potential future manipulation in human embryo development, Hanna and others noted.

Persons: Mehmet Yunus Comar, Jacob Hanna, Hanna, Magdalena Żernicka, Goetz, Rami Amichay, Ari Rabinovitch, Mark Heinrich Our Organizations: Weizmann Institute of Science, Israel's Weizmann Institute of Science, International Society for Stem Cell Research, University of Cambridge, Thomson Locations: Rehovot, Israel, Boston

☆ Scientists report creation of first human synthetic model embryos
▼ + stars: | 2023-06-14 | by ( Brenda Goodman | ) edition.cnn.com time to read: +5 min

The research raises critical legal and ethical questions, and many countries, including the US, don’t have laws governing the creation or treatment of synthetic embryos. “Unlike human embryos arising from in vitro fertilization (IVF), where there is an established legal framework, there are currently no clear regulations governing stem cell derived models of human embryos. “I just wish to stress that they are not human embryos,” Zernicka-Goetz said. Right now, the synthetic model human embryos are confined to test tubes. “There is much work to be done to determine the similarities and differences between synthetic embryos and embryos that form from the union of an egg and a sperm.”

Persons: CNN —, ” James Briscoe, Francis Crick, Dr, Magdalena Zernicka, Goetz, Zernicka, ”, ” Zernicka, “, haven’t, Sanjay Gupta, ” Roger Sturmey Organizations: CNN, Francis, Francis Crick Institute, International Society for, CalTech, University of Cambridge, The Guardian, CNN Health, University of Manchester Locations: United States, United Kingdom, Boston, Israel

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