The splanchnic mesenchyme is the tissue of origin for pancreatic fibroblasts during homeostasis and tumorigenesis. - Han L; Wu Y; Fang K; Sweeney S; Roesner UK; Parrish M; Patel K; Walter T; Piermattei J; Trimboli A; Lefler J; Timmers CD; et al. (Nature communications, 2023)