LST1 and urinary bladder cancer: While literature searches of both M-Sec/TNFaip2 or LST1 do not crossmatch with any published studies in ovarian carcinoma specifically, studies of LST1 in bladder cancer cells point to it playing a vital role in TNT formation in these cells through interaction with the Ras-independent Guanine Nucleotide Exchange Factor RalGPS2 (72).