TRPV6 and glioblastoma: Subsequently, the CNV percentage analysis in specific cancer subtypes of Hete Amp and Hete Del showed that TRPV1-6 (except for TRPV4) in KIRP, TRPV4 in ACC, TRPV6 and TRPV5 in GBM had greater than 40% Hete Amp levels.