WP_SPHINGOLIPID_PATHWAY https://www.gsea-msigdb.org/gsea/msigdb/human/geneset/WP_SPHINGOLIPID_PATHWAY ACER1 ASAH1 ASAH2 B4GALT6 CERK CERS2 CERS3 CERS4 CERS5 CERS6 CERT1 GAL3ST1 GBA1 GBA2 KDSR PLPP1 PPP1CA PPP2CA SERINC1 SGMS1 SGMS2 SGPL1 SGPP2 SPHK1 SPHK2 SPTLC1 SPTLC2 SPTLC3 UGCG UGT8