NewslettersEndothelial Cell News Direct Observation of the Evolution of Cell-Type-Specific MicroRNA Expression Signatures Supports the Hematopoietic Origin Model of Endothelial Cells By lbeveridge - May 15, 2023 0 Taking advantage of the strong evolutionary conservation of the microRNA among Olfactores, and using RNA in situ hybridization, the authors localized Mir-126 in the tunicate Ciona robusta. [Evolution & Development] Full Article