“…High-affinity nerve growth factor receptor (NTRK1), also known as TrkA, has multiple well-studied functions in the nervous system (Amatu et al, 2019). In the immune system, where its function is not well understood, TrkA is expressed on monocytes, macrophages, dendritic cells, resting and activated B cells and neutrophils, and erythroblasts (Minnone et al, 2017).…”