CBLN1 and breast cancer: In addition, seven PS species [PS(12:0/12:0), PS(18:1/20:0), PS(18:0/22:0), PS(20:4/20:0), PS(22:0/20:0), PS(22:0/20:0), and PS(O-16:0/19:0)] and 2 Cer species [Cer(d18:1/24:1) and Cer(d18:1/25:0)] were decreased in the BC group compared to the HFD group.