NGF and endometriosis: Notably, many of the genes causally related to endometriosis risk variants were found to be linked to pain perception/maintenance, including signal recognition particle 14 (SRP14/BMF), ganglioside-induced differentiation-associated protein 1 (GDAP1), histone lysine methyltransferase DOT1L cofactor (MLLT10), bassoon presynaptic cytomatrix protein (BSN), and nerve growth factor (NGF).