New analysis reveals how necessary protein retains our cell membranes in steadiness. Researchers have studied the construction, operate and mechanisms of the protein ATP8B1, which flips lipid molecules in our cell membranes and performs a key position in bile biosynthesis. Importantly, ATP8B1 has additionally emerged as a genetic marker of Alzheimer’s resilience. These outcomes give new potentialities for therapeutic interventions in circumstances associated to bile homeostasis problems and neurodegenerative ailments.