Provided herein are methods and uses involving antibodies that specifically bind to a KIT receptor tyrosine kinase for managing, treating, or preventing an eosinophil or mast cell related disorder and/or one or more symptoms thereof, for example a mast cell related disorder of the nervous system, e.g., central nervous system, for example neuromyelitis optica (NMO), neuromyelitis optica spectrum disorder (NMOSD), multiple sclerosis (MS), and neurofibromatosis (NF).