NewslettersMesenchymal Cell News Rab27a-Mediated Extracellular Vesicle Secretion Contributes to Osteogenesis in Periodontal Ligament-Bone Niche Communication By lbeveridge - May 25, 2023 0 The biogenesis of extracellular vesicles from periodontal ligament stem cells was observed using scanning and transmission electron microscopy. [Scientific Reports] Full Article