Fibroblast-derived matrix human skin equivalents reveal distinct roles for papillary and reticular fibroblasts in human skin barrier integrity and aging. - Louis A; Mergen C; Rietveld MH; Gendronneau G; Andre N; Ben Khalifa Y; Bouwstra JA; Rissmann R; Halkoum R; El Ghalbzouri A (Scientific reports, 2026)