Utilization of TrueGel3D™ Hydrogels to Study Fibroblast SpreadingFibroblasts that are present in the stroma secrete glycoproteins and polysaccharides to form extracellular matrix. They maintain the structural integrity within the connective tissue and play a key role in cancer, chronic obstructive pulmonary diseases, idiopathic pulmonary fibrosis, scleroderma and