Exosome-like nanovesicles derived from kale juice enhance collagen production by downregulating Smad7 in human skin fibroblasts - Hsu, Peihan; Kamijyo, Yuriko; Koike, Emiri; Ichikawa, Saki; Zheng, Yifeng; Ohno, Tomohiro; Katayama, Shigeru (Frontiers in Nutrition, 2025)