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Human embryo created without using sperm or eggs
Human embryo created without using sperm or eggs
Scientists in Israel have created a model of a human embryo from stem cells, without using sperm, eggs or a womb. A team at Israel's Weizmann Institute of Science made the model, which resembles an embryo at day 14, when it acquires internal structures but before it lays down the foundations for body organs, and the work was published in the journal Nature. But the scientists involved said it would take a long time yet to create an embryo from scratch. Team leader Jacob Hanna said the team took stem cells derived from adult human skin cells, as well as others cultured in the lab, then reverted the cells to an early state.They then manipulated them to make a model of an embryo, rather than an actual or synthetic one. "The question is, when does an embryo model become considered an embryo? When that happens, we know the regulations. At the moment we are really, really far off from that point," Hanna said. However, they said the work could open the door to new ways to test the effect of drugs on pregnancies, better understand miscarriages and genetic diseases, and maybe grow transplant tissues and organs. "They are not identical. There are differences from human embryos, but still, this is the first time, if you open an atlas or a textbook, you can say - yeah I can really see the similarity between them," said Hanna. "In about 1 percent of the aggregates we can see that the cells start differentiating correctly, migrating and sorting themselves into the correct structure, and the farthest we could get is day 14 in human embryo development," he said. Their next goal, Hanna said, is to advance to day 21 and also reach a threshold of a 50 per cent success rate. Magdalena Żernicka-Goetz, a professor of development and stem cells at the University of Cambridge, said the study joins six other similar human embryo-like models published from teams around the world this year, including from her lab. "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. Sign up to our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-09-08 18:27
Europe Braces For Record Temperatures as Wildfires Hit Greece
Europe Braces For Record Temperatures as Wildfires Hit Greece
The extreme heat blanketing the Mediterranean is set to peak in parts of Italy on Tuesday, triggering fresh
2023-07-18 16:56
Best Pre-Prime Day Desktop Deals
Best Pre-Prime Day Desktop Deals
Prime Day 2023 falls on July 11-12, which gives us a few weeks to prepare
2023-06-24 02:55
How to unblock Kayo Sports for free
How to unblock Kayo Sports for free
TL;DR: ExpressVPN is the best service for unblocking streaming services from around the world, including
2023-09-19 12:56
The 32 Best Amazon Fashion Deals This Week
The 32 Best Amazon Fashion Deals This Week
Super-Sale Alert: Select products featured in this story might be on sale for Prime Day! For more insider information on Amazon's 48-hour event, consult our Shopping team's curated guides to the deals that matter here.
2023-07-13 01:55
Top Tech Companies Pledge Not to Be Reckless With Their AI Tools
Top Tech Companies Pledge Not to Be Reckless With Their AI Tools
The White House has reached a voluntary agreement with the top tech companies to prevent
2023-07-21 23:28
Airbnb sues New York City over restrictions on short-term rentals
Airbnb sues New York City over restrictions on short-term rentals
Airbnb is suing New York City over rules that the company says would make it much more difficult for people to turn their property into short-term rentals
2023-06-02 05:55
Google will delete inactive accounts this year
Google will delete inactive accounts this year
Google announced Tuesday that this year it would begin deleting accounts that had been inactive
2023-05-17 01:17
Model has Maui fundraiser shut down for offering to sell spicy images to donors
Model has Maui fundraiser shut down for offering to sell spicy images to donors
GoFundMe has deleted an OnlyFans model's campaign after she offered nudes to anyone who donated $10 to Maui wildfire victims. Mariah Casillas, also known as 'Lavaxgrll' had created a GoFundMe to help raise money for those in Maui who have been affected by the wildfires that have tragically claimed up to 100 lives so far. In order to raise as much money as possible, Casillas offered to send nudes to anyone who proved that they had donated $10 or more to her campaign. It seemed to be working as Casillas managed to raise over $6,000 in just a couple of days, but GoFundMe removed the campaign. Meaning that all the money raised went with it, too. In response to GoFundMe's move, Casillas took to social media to reassure fans that she was not going to let it stop her from raising money. "GoFundMe took down my account but that isn't going to stop me from doing what I can to help the people of Maui," she wrote. "I'll be making a list of nonprofits to donate towards instead, you can still send me your screenshots!" It seems that GoFundMe took down Casillas' campaign as it violated its services that state GoFundMe can't be used to raise funds if they involve, "offensive, graphic, perverse or sensitive or sexual content." In order to keep raising money, Casillas has moved her fundraiser to OnlyFans telling subscribers to "drop your donations on my pinned post and let's get to work." On Wednesday a GoFundMe spokesperson told FOX Business that its platform had raised over $30 million for the communities needing support in the aftermath of the wildfires. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings. Sign up to our free Indy100 weekly newsletter
2023-08-18 17:19
Why was Ellen DeGeneres's iconic 2014 Oscar selfie removed from Twitter? Internet left fuming after X glitch
Why was Ellen DeGeneres's iconic 2014 Oscar selfie removed from Twitter? Internet left fuming after X glitch
The image apparently vanished as a result of an update to the social media platform that shortened the t.co links used to share images
2023-08-21 20:23
Apple Backtracks, Moves 'End Call' Button Back to the Center in iOS 17 Beta
Apple Backtracks, Moves 'End Call' Button Back to the Center in iOS 17 Beta
UPDATE 8/16: Apple apparently heard the feedback, and has moved the "end call" button back
2023-08-16 23:24
Tech billionaires' cage match? Musk throws down the gauntlet and Zuckerberg accepts challenge
Tech billionaires' cage match? Musk throws down the gauntlet and Zuckerberg accepts challenge
Elon Musk and Mark Zuckerberg are ready to fight, offline
2023-06-22 23:18