Amazing use for stem cells -1 reply

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jumjum

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11th April 2005

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#1 9 years ago

This to me is nothing short of medical miracle: contact lenses which had stem cells cultured in them have restored sight to blind persons. Gizmodo - Stem Cell Contact Lenses Cure Blindness in Less Than a Month - Stem Cells

Just put some of those suckers in your contacts a few days and let them grow, then put them in your eyes and watch 'em start rebuilding damaged eye structures. Holy cow.

It's only three people, and the restored vision is between "colors and shapes" to "passed a driver's license test", but still, this just stuns me.




Mr. Pedantic

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8th October 2006

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#2 9 years ago

This is surprising, though probably very impractical for normal therapy. Stem cells are exceedingly delicate, and will use any excuse to die on you. I think the main thing here is that they were cultured from the patient's healthy eye. Therefore, they are not really 'proper' stem cells - my guess is that during development the cells have identified themselves as belonging to the eye. I would be interested to see if this sort of therapy works with stem cells cultured from other parts of the body.




stylie

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13th April 2005

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#3 9 years ago

Anyone here experienced or know anything more about this? How hard would it be to harvest a few stem cells of various types from newborns? Put them in a bank of some kind for later use? Even if they are old people? I know they do this with blood and stuff, not sure how long they can be kept viable.




Mr. Pedantic

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8th October 2006

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#4 9 years ago
Anyone here experienced or know anything more about this? How hard would it be to harvest a few stem cells of various types from newborns? Put them in a bank of some kind for later use? Even if they are old people? I know they do this with blood and stuff, not sure how long they can be kept viable.

As far as I'm aware it can be done, and it is being done, for the right price. It's kind of morally borderline, since it's quite similar to a scandal a few years back when people found out that parents were having two children, one 'main' one, and one 'backup', to donate organs and cells if the first one got sick.

As far as blood goes, I think dehydrated blood can be stored indefinitely.

The cells would have to be put in some kind of stasis, say under LN or dry ice. I'm pretty sure they can be stored there for a long time.

And from newborns, you could get proper, embryonic stem cells, which really are totipotent. They're exceedingly fragile, though, so it would require a lot of dedication to keep them cultured and stuff.




jumjum

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11th April 2005

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#5 9 years ago

Okay, I think it's clear Mr. Pedantic should be declared the Official FH Science Consultant .

I just may have to forget about that beating I promised him. (What was that about anyway?)




Biiviz

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29th February 2004

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#6 9 years ago

jumjum;4907003Okay, I think it's clear Mr. Pedantic should be declared the Official FH Science Consultant .

I just may have to forget about that beating I promised him. (What was that about anyway?)

What kind of a beating are we talking about here?




Mr. Pedantic

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8th October 2006

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#7 9 years ago

Okay, I think it's clear Mr. Pedantic should be declared the Official FH Science Consultant .

I just may have to forget about that beating I promised him. (What was that about anyway?)

:lol: Just biology, I think.




Von Mudra

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25th September 2004

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#8 9 years ago

And this is why I have always supported Stem Cell research xD




Guest

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#9 9 years ago

And yet another reason why embryonic stem cell research is not necessary...




MSPfc Doc DuFresne

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#10 9 years ago

No research is necessary Mega, we just do it because it is potentially beneficial. And remember, up until recently embryonic stem cells were the only ones we could find and use that weren't adult, differentiated stem cells, and instead were pluripotent, with the near miraculous ability to become any type of cell in the body.

We could not create induced pluripotent stem cells in humans until 2007, which means we had to use embryonic stem cells to get pluripotent ones, and the science of inducing adult stem cells to regress to the pluripotent stage is still highly experimental, whith few experts in this technique as compared to embryonic stem cell harvesting and utilization.




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