Adipogenin promotes the development of lipid droplets by binding a dodecameric seipin complex. - Li, Chao; Sun, Xue-Nan; Funcke, Jan-Bernd; Vanharanta, Lauri; Prasanna, Xavier; Gov, Kaitlynn; Li, Yan; Virostek, Megan; Joung, Chanmin; Joffin, Nolwenn; Kanerva, Kristiina; Szkalisity, Abel; et al. (Science, 2025)