NewslettersExtracellular Matrix News Dysregulation of Extracellular Fibronectin and 5-integrin in Dermal Aging By Emily Salmini - June 26, 2025 0 1646 The authors examined human dermal fibroblasts (HDFs) from aged skin and observe that they produce lower extracellular fibronectin densities in vitro than young HDFs. [Molecular Biology of The Cell] Abstract