SNHG1 and Parkinson disease: In light of these findings, miR-7 could be involved in a third ceRNET in PD (circSNCA/miR-7/SNCA), or even ciRS-7, circSNCA and SNHG1 may be part of the same ceRNET (miR-7/SNCA and NLRP3) exerting a cooperative regulation.