C4d, a high-affinity LilrB2 ligand, is elevated in Alzheimer’s disease and mediates synapse pruning

Barbara K. Brott, Aram J. Raissi, Kristina D. Micheva, Jost Vielmetter, Monique S. Mendes, Caroline J. Baccus, Jolie Huang, and Carla J. Shatz