Researchers succeed in making generations of mouse clones

Using the technique that created Dolly the sheep, researchers from the RIKEN Center for Developmental Biology in Kobe, Japan have identified a way to produce healthy mouse clones that live a normal lifespan and can be sequentially ...

Scientists reveal key barrier to reprogramming human zygotes

(Medical Xpress) -- New research from Howard Hughes Medical Institute (HHMI) scientists pinpoints a biological barrier that has thus far slowed progress in creating disease-specific stem cell lines using a technique known ...

Stem cells made by reprogramming hold onto their past

Adult cells that have been reprogrammed into induced pluripotent stem cells (iPS cells) do not completely let go of their past, perhaps limiting their ability to function as a less controversial alternative to embryonic stem ...

From a drop of blood, a clone

Over the last few decades, scientists have drawn upon a powerful arsenal of biotechnology techniques to establish a wide variety of genetically engineered mouse strains. These animals represent invaluable resources for studying ...

Clones of clones can make clones

Since the first reports of successful cloning of mammals by somatic cell nuclear transfer, concerns have been raised about the efficiency and repeatability of cloning techniques, and the health of cloned offspring. Although ...

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