Fetal oxygen tension promotes tenascin-C-dependent lung branching morphogenesis.


Tenascin-C (TN-C) is a mesenchyme-derived extracellular matrix (ECM) glycoprotein required for fetal lung branching morphogenesis. Given that the low oxygen (O(2)) environment of the fetus is also essential for normal lung branching morphogenesis, we determined whether fetal O(2) tension supports this process by promoting TN-C expression. Initial studies… (More)


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