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Posts Tagged "stem cells"

Microfluidic Environments Nurture Stem Cells on Their Journey Toward Commercialization

Microfluidic Environments Nurture Stem Cells on Their Journey Toward Commercialization

The name “stem” cells came from plant stems, which, despite their tiny size, have the capacity to produce flowers, leaves, branches, fruit, vegetables, and gigantic trees. In the same way, stem cells, although microscopic, contain the potential to develop into different body parts — to repair or replace diseased or injured cells. Stem cells can differentiate, which means they can become a retina or pancreas cells, skin cells or shin cells, cells specific to the nose or to the toes. Stem cells are sustained by a microfluidic environment of supporting blood vessels and channels for other fluids. And a stem cell’s microfluidic environment influences the decision about what body part it will become. (more…)

Seeing Is Believing: Tissue-Chips on the Quest to End Blindness

Seeing Is Believing: Tissue-Chips on the Quest to End Blindness

In 2007, Doug Oliver nearly hit two pedestrians while driving his car, and then turned a corner and almost hit a third. He had not seen the pedestrians at all. A police officer gave him two choices: hand over your driver’s license or see an eye doctor. The doctor gave a chilling diagnosis: “At 45, I was legally blind. I went into shock,” Oliver said.

Oliver was born with good eyesight, but due to a hereditary condition, over a decade he had gradually lost much of his vision. For years his sight had been worsening until he underwent experimental stem cell surgery in a Florida-based treatment study. His vision loss was reversed by that surgery in 2015. “I went from legally blind to legal-to-drive in eight weeks,” said the Nashville, Tenn., man. (more…)