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Scientists develop 3D lungs in lab using stem cells

A team of researchers from University of California, Los Angeles (UCLA) created a three-dimensional lung, called as organoids, to study diseases, including idiopathic pulmonary fibrosis.
•    The organoids resemble sections of human lungs instead of just cells.
•    The study was published in the journal Stem Cells Translational Medicine.
•    The researchers used stem cells taken from actual adult human lungs to coat tiny sticky hydrogel beads.
•    The beads eventually grew and self-assembled to envelope the hydrogel beads, which were all placed inside linked wells.
•    The resulting structure produced evenly distributed three-dimensional patterns consistent with actual air sacs like those in human lungs.
•    Inside each well, the lung cells grew around the beads, which linked them and formed an evenly distributed three-dimensional pattern.
•    To show that these tiny organoids mimicked the structure of actual lungs, the researchers compared the lab-grown tissues with real sections of human lung.

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