Growing Human Guts in Mice

Researchers make more progress toward growing human intestines in mice, paving the way for better models of intestinal function and failure.

Jef Akst
Jef Akst

Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf...

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Jan 12, 2015

FLICKR, HEY PAUL STUDIOSStarting with a sample of human intestine, researchers at Children’s Hospital Los Angeles and their colleagues have grown functioning segments of human intestine in the abdominal cavities of mice, according to a study published last week (January 8) in American Journal of Physiology - Gastrointestinal and Liver Physiology. The organs recapitulated the correct intestinal structure, with an epithelium surrounding a lumen and supporting mesenchyme and muscle, as well as tight junctions, microvilli, and other features of the human intestines. Moreover, the intestinal segments could absorb and break down complex sugars, demonstrating their ability to function like real intestines.

Last October, another group of researchers published in Nature Medicine their success using pluripotent stem cells to grow miniature human intestines inside the kidneys of immunosuppressed mice.

In addition to serving as a model for human intestinal function and dysfunction, with this latest achievement toward growing functional...

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Growing Human Guts in Mice

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