Tagstem cells

Stem Cells From Human Blood Can Be Reprogrammed

blood donation

Blood drawn with a simple needle stick can be coaxed into producing stem cells that may have the ability to form any type of tissue in the body, three independent papers report in the July 2 Cell Stem Cell. The new technique will allow scientists to tap a large, readily available source of personalized stem cells.

Because taking blood is safe, fast and efficient compared to current stem cell harvesting methods, some of which include biopsies and pretreatments with drugs, researchers hope that blood-derived stem cells could one day be used to study and treat diseases — though major safety hurdles remain.

Wired Science: Stem Cells From Human Blood Can Be Reprogrammed

Stem Cells From Testes Produce Wide Range of Tissue Types

U.S. researchers say they’ve successfully reprogrammed adult stem cells from the testes of male mice into a wide variety of cell types, including functional blood vessels, contractile cardiac tissue, and brain cells.

If the same can be done with adult testes stem cells from humans, they may offer a source of new therapies to treat men with health problems such as heart disease, vascular diseases, diabetes, stroke, Parkinson’s, Alzheimer’s, and even cancer, the researchers said.

Full Story: Washington Post.

(via Hit and Run).

Stem Cells Discovered in Amniotic Fluid

Stem Cells Discovered in Amniotic Fluid.

Meanwhile, medical tourism accelerates.

Russia: ahead of the biopunk curve

It’s happening already:

While scientists worldwide are only studying stem cells, dozens of Russian clinics and beauty salons claim they are already using both adult and embryonic stem cells to treat everything from wrinkles to Parkinson’s disease to impotence.

Scientists warn that while stem cells are still being researched in laboratories, treatment by clinics claiming to use stem cells may cost patients their health and fortunes. Moreover, they say, even though it’s illegal, enforcement is lax and no one knows if the injections patients are getting contain stem cells.

Link.

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