ACKR1 and myeloid sarcoma: ECs of the BBB undergo phenotypic alterations characterized by the upregulation of the cell adhesion and signaling molecules intracellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule (VCAM)-1, and atypical chemokine receptor 1 (ACKR1) in people with MS (Zierfuss et al., 2024).