GABBR2 and ovarian cancer: The gamma-aminobutyric acid type B receptor subunit 2 (GABBR2) locus was discovered to pertain to combined phenotypes of UL and ovarian cancer, while the SH3 domain containing the GRB2-like 3/basonuclin zinc finger protein 1 (SH3GL3/BNC1) locus was associated solely with UL [42].