TRPC6 and focal segmental glomerulosclerosis: Certain TRPC6 mutations that cause a complete loss of cell surface cation channel function have also been associated with early onset FSGS (Riehle et al., 2016), possibly through mistargeting of the channel proteins or by affecting non‐channel functions of these proteins (Farmer et al., 2019; Riazanski et al., 2015).