Integrin‐Binding Matricellular Protein Fibulin‐5 Maintains Epidermal Stem Cell Heterogeneity During Skin Aging
Fibulin-5, an extracellular matrix protein that declines with age, maintains epidermal stem cell function by activating YAP signaling through integrin binding. Loss of fibulin-5 reproduces age-associated changes in skin stem cell populations, identifying a molecular mechanism linking extracellular environment degradation to cellular aging.

