The mainstream media buzzed yesterday with reports that scientists created a human embryo from three parents, a man and two women. According to the scientific journal Nature's online news site, those experiments at the University of Newcastle upon Tyne have been blown a bit out of proportion. Even still, their success so far does boggle the mind. From Nature News:
The experiments aim to replace genetically damaged structures called mitochondria, found in a woman's egg cells, with healthy mitochondria from unrelated eggs. The experiment has been mooted as a way to help women with diseased mitochondria have healthy babies.
Their work so far has reportedly created ten viable embryos containing genetic material from multiple 'parents'. But these resulted from transplants of DNA between embryos, rather than into a healthy egg as will be needed in future; it is not clear that the procedure will work in normally fertilized eggs.
The team says the progress confirms their hope that nuclear DNA can be taken out of embryos while leaving most, but not all, of the mitochondria behind – a step that will be needed in future for the procedure...
So far, (neurogeneticist Patrick Chinnery) Chinnery said, the Newcastle team has only exchanged the nuclear DNA of embryos that have failed fertility treatments. In other words, it has transplanted nuclear DNA from one failed embryo to another – not from one embryo into a healthy donor egg, as has been widely reported. These failed embryos contain abnormal doses of nuclear DNA...
"There are still a number of scientific issues we've got to resolve, in terms of efficiency, and in terms of whether we can do this in eggs rather than in other embryos," Chinnery said.
Alex Wood is an addict but won’t give up his smartphone. But he has five strategies for limiting its control over him: “I used to wake up tired. My body would ache and my head felt sore, like waking up with a hangover. Finally, I took control, like attending an AA class for addicts, I […]
Ok, it’s not just solar powered. It’s also an anti-theft, waterproof marvel that keeps my phone’s power bar from ever getting into the red.Sure the idea seems obvious now – tuck a gigantic solar powered battery pack into an exposed slot and turn the wearer into a walking energy harvester. Simple maybe, but I didn’t […]
When you can’t wait for the world’s longest meeting to end, the mindless leg bouncing makes your boredom obvious and just annoys everybody else. Everyone knows the TPS reports need the damn cover sheet, but some sadistic colleague keeps forgetting, probably on purpose just to eat into your lunch hour. Enough is enough!While serving a […]
What could be more fun than a slingshot that shoots tiny airplanes? A slingshot that shoots tiny glowing airplanes of course! These toy planes are outfitted with ultra-bright LEDs, so you can fly all night without losing them in the trees.Whether you are a regular-sized child, or an overgrown adult one, these light-up flyers offer […]
You know the drill. You go to the dentist and they ask you how often you floss. You lie through your teeth and say, “every day!” (Bonus points if you have some cilantro or chives stuck in your gums from lunch). You don’t want to keep up the charade any longer, but rubbing that tiny strand […]