Nischarin (NISCH)

Acts either as the operational imidazoline-1 receptor (I1R) candidate or as a membrane-associated mediator of this I1R signaling. Binds numerous imidazoline ligands that induces initiation of cell-signaling cascades triggering to cell survival, growth and migration.

Its activation by the agonist rilmenidine induces an increase in phosphorylation of mitogen-activated protein kinases MAPK1 and MAPK3 in rostral ventrolateral medulla (RVLM) neurons that exhibited rilmenidine-evoked hypotension (By similarity). Acts as a modulator of Rac-regulated signal transduction pathways (By similarity).