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Recently platelet-derived growth factor-α-positive cells (PDGFRα(+) cells), previously called "fibroblast-like" cells, have been described in the muscle layers of the gastrointestinal tract. These(More)
Bone morphogenetic protein (BMP) signaling is essential for normal development of the gastrointestinal (GI) tract. BMPs also play multiple roles in vascular smooth muscle cells; however, the BMP(More)