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Two impressive advances with stem cells

by Dave Konkel [Moderator] / November 15, 2006 10:38 PM PST

showing the promise they hold. One with donor stem cells in dogs, the other with human umbilical cord stem cells used to grow heart valves in vitro. The latter has more immediate application, I would suspect, but both are truly exciting in their promise.

Stem cells help dogs with dystrophy

>>In promising new research, stem cells worked remarkably well at easing symptoms of muscular dystrophy in dogs, an experiment that experts call a significant step toward treating people.

Two dogs that were severely disabled by the disease were able to walk faster and even jump after the treatments.

The study was published online Wednesday by the journal Nature. It used stem cells taken from the affected dogs or other dogs, rather than from embryos. For human use, the idea of using such "adult" stem cells from humans would avoid the controversial method of destroying human embryos to obtain stem cells. <<

Here I'd be extremely concerned about rejection if a similar approach were used in humans -- on fact, I'm extremely surprised that this experiment worked in dogs, not because of the concept, but because of the stem cell source.

Using stem cells from womb, scientists grow heart valves.

>> Scientists for the first time have grown human heart valves using stem cells from the fluid that cushions babies in the womb -- offering a revolutionary approach that may one day be used to repair defective hearts. The idea is to create these new valves in the lab while the pregnancy progresses and have them ready to implant in a baby with heart defects after it is born.

The Swiss experiment follows recent successes at growing bladders and blood vessels and suggests that people may one day be able to grow their own replacement heart parts -- in some cases, even before they're born. <<

-- Dave K, Speakeasy Moderator
click here to email semods4@yahoo.com

The opinions expressed above are my own,
and do not necessarily reflect those of CNET!

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Yes, two very impressive advances in NON-EMBRYONIC SC's
by Evie / November 15, 2006 10:50 PM PST

So why do some still insist on funding less promising and more controversial ESC's from cloned human embryos?

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just
by texas_toast / November 15, 2006 11:32 PM PST

to piss you off

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(NT) Is it rosy in TX? LOL
by Evie / November 16, 2006 1:12 AM PST
In reply to: just
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(NT) Certainly looks like it might be.
by Edward ODaniel / November 16, 2006 7:05 AM PST
In reply to: Is it rosy in TX? LOL
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