OSMR and familial primary localized cutaneous amyloidosis: Arita et al [14] indicated missense mutations of familial primary localized cutaneous amyloidosis (FPLCA) were located in the oncostatin M-specific receptor (OSMR) gene, which encodes oncostatin M-specific receptor beta (OSMRβ) --a component of the oncostatin M (OSM) type II receptor and the interleukin (IL)-31 receptor.