Stem cell videos make the grade

One amazing aspect of living in the era of social media is the incredible way information spreads. A butterfly batting its little orange wings in a monarch grove in Santa Cruz could influence a tweet of a blogger heard 'round the world.

Engineered human stem cells destroy HIV infected cells

A group at the University of California, Los Angeles AIDS Institute has manipulated human blood-forming stem cells to fight HIV infected cells. The technique could conceivably be used to help the body fight any number of viral infections, the authors say.

Early immune cells created from embryonic stem cells

Researchers at UC, Los Angeles have created cells that go on to form normal T cells out of human embryonic stem cells. What's more, these cells were grown in the absence of animal feeder cells, which are usually needed to sustain embryonic stem cells. Avoiding potential contamination by such feeder cells is an important step in generating cells that can be transplanted into people. The researchers describe a series of steps that drive human embryonic stem cells to begin developing as T cells.

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