Dr. Hans-Willem Snoeck and colleagues at Columbia University Medical Center reported the first successful development of functional human lung tissue from stem cells in the Dec. 1, 2013, edition of the journal Nature Biotechnology.

The development is an extension of Snoecks previous work in producing human induced pluripotent stem cells from skin cells. Human induced pluripotent stem cells perform exactly like human embryonic stem cells. The benefits of human induced pluripotent stem cells from include the avoidance of potential rejection and legal complications.

The researchers were able to create the six most necessary lung tissues from induced pluripotent stem cells. The work included the development of type 2 alveolar epithelial cells that are necessary to produce surfactants that facilitate the exchange of oxygen and carbon dioxide in the lungs.

The development indicates that lung transplants from donors will eventually become a thing of the past as skin cells from a person with a lung disease can be turned into stem cells that can develop an entire new lung. This method avoids any chance of rejection because the lungs developed from the skin cells are the same as lung cells that a person was born with.

The development also will enable selected cell regeneration of lung cells to treat specific diseases that only involve certain parts of the lung.

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