Engineered protein crystals make cells magnetic - The Great Awakening

Engineered protein crystals make cells magnetic ? Notable

posted 3 years ago by Amos 3 years ago by Amos +141 / -0

Date: September 25, 2019 Source: American Chemical Society

researchers have engineered genetically encoded protein crystals that can generate magnetic forces many times stronger than those already reported.

Each crystal contained about five billion iron atoms and generated magnetic forces that were nine orders of magnitude stronger than single ferritin cages. By introducing crystals that were pre-loaded with iron to living cells, the researchers could move the cells around with a magnet.

https://www.sciencedaily.com/releases/2019/09/190925083802.htm

Hat tip Jimstone.is

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– HighFrequency 2 points 3 years ago +2 / -0

But why do the magnets only stick to the injection site but not anywhere else?

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– SneakyWino 5 points 3 years ago +5 / -0

I just saw a video where a dude could stick a little magnet anywhere on his skin. This is terrifying.

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– Amos [S] 3 points 3 years ago +3 / -0

Have some more.

They were even longer than the cells they grew in. But the cells in which they formed never ripped. They just stretched to accommodate the crystals.

Cui and her colleagues didn’t set out to give scientists superpowers like Magneto’s. Instead, their new protein crystals were designed to help scientists study which neurons control an animal’s movements and senses. The crystals provide something inside a cell that magnets can attract. This innovation fills a gap in the budding field of magnetogenetics (Mag-NEE-toh-jeh-NET-iks).

Scientists in this field genetically engineer cells so that they will respond to magnetic fields. Now researchers can remotely control specific neurons in the body using magnets. Those neurons could be ones that control how hungry an animal gets. Or they could be neurons that control leg muscles so a mouse starts running when a magnet is nearby.

Gaining magnetic control A magnetic field can turn on neurons that contain proteins rich in iron. The field does this by heating or giving a mechanical push to those proteins.

https://www.sciencenewsforstudents.org/article/magneto-microcrystals-give-magnets-superpower-over-living-cells

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– Amos [S] 3 points 3 years ago +3 / -0

The magnetic spots are very likely to spread due to the fact that the shot is genetic modification, and "magnetic everywhere" may end up being the new normal.

Jimstone.is

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