sentence: Proteins that were significantly associated only in males include BCMA ( B ‐ cell maturation antigen alias tumor necrosis factor receptor superfamily member 17 ) , TSP2 ( thrombospondin ‐ 2 ) , contactin ‐ 4 , F177A ( family with sequence similarity 177 member A1 ) , CD248 ( endosialin ) , and EFS ( embryonal Fyn ‐ associated substrate ) ( Table S1 ) .2.3 Pathway analysis .