Mystery of how lungs grow is solved

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Mystery of how lungs grow is solved

Cells 'feel' the pressure to grow

By William J. Cromie, Harvard News Office

The puzzle of how lungs grow has been solved. Scientists watching the process in mice embryos have found that budding and branching of new air sacs is driven by the mechanical stretching of individual cells.

What's more, they demonstrated that this growth can be adjusted by manipulating mechanical forces involved in the cells' skeleton, a framework of fine tubes and filaments that give the cell its shape and let it move.

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More information on how the lungs work

 

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Page Last Updated: 01/12/2017