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Lin CH, Liao CC, Wang SY, Peng CY, Yeh YC, Chen MY, Chou TY. Comparative O-GlcNAc Proteomic Analysis Reveals a Role of O-GlcNAcylated SAM68 in Lung Cancer Aggressiveness. Cancers 2022 14(1) 35008409
Abstract:
O-GlcNAcylation is a reversible and dynamic post-translational protein modification catalyzed by O-GlcNAc transferase (OGT). Despite the reported association of O-GlcNAcylation with cancer metastasis, the O-GlcNAc proteome profile for cancer aggressiveness remains largely uncharacterized. Here, we report our comparative O-GlcNAc proteome profiling of two differentially invasive lung adenocarcinoma cell lines, which identified 158 down-regulated and 106 up-regulated candidates in highly invasive cells. Among these differential proteins, a nuclear RNA-binding protein, SAM68 (SRC associated in mitosis of 68 kDa), was further investigated. Results showed that SAM68 is O-GlcNAcylated and may interact with OGT in the nucleus. Eleven O-GlcNAcylation sites were identified, and data from mutant analysis suggested that multiple serine residues in the N-terminal region are important for O-GlcNAcylation and the function of SAM68 in modulating cancer cell migration and invasion. Analysis of clinical specimens found that high SAM68 expression was associated with late cancer stages, and patients with high-OGT/high-SAM68 expression in their tumors had poorer overall survival compared to those with low-OGT/low-SAM68 expression. Our study revealed an invasiveness-associated O-GlcNAc proteome profile and connected O-GlcNAcylated SAM68 to lung cancer aggressiveness.
O-GlcNAc proteins:
A0A024R7P5, A0A024R9E2, A0A087WWU8, A0A0A0MTS7, SHOT1, A8K3C3, A8K9J7, B7Z2Z8, B7Z596, D3DS63, E7ETM0, E7EVA0, F8VR77, H0YN18, H3BPE1, K7ERG4, PSD12, DFFA, PLOD2, PSDE, BIN1, TCRG1, ML12B, HGS, HNRDL, RPAC1, P4HA2, HNRPR, PLRG1, ZN207, BUB3, ACTN4, KDM1A, PLOD3, CPNE3, FLNB, NU155, GLRX3, MTA2, SC31A, UBE4B, TFR1, ANXA1, HSPB1, ITB1, DCUP, GELS, ENOA, NPM, TPM3, LDHB, ANXA2, TBB5, HNRPC, TPM2, ANXA6, 4F2, VIME, ANXA5, RSSA, ENOG, TPM1, PARP1, UBB, UBC, CH60, ACADM, G6PD, PCNA, KCRB, KCRU, ACTN1, XRCC6, EF2, KAP2, SYDC, AMPN, EZRI, NAGAB, HMGA1, ML12A, AOC1, ICAL, VATB2, FLNA, OSBP1, UBA1, GCSH, PSA1, PSA3, SYVC, TPP2, CLIP1, HNRH3, KINH, HSP74, RADI, MYH9, MYH10, ACTN2, ADDA, FUS, MYH11, RL4, ODO2, VATA, CAP2, GARS, MSH2, PRS6B, UBP5, RS9, MAP1B, IQGA1, KC1A, NASP, FAS, SYAC, NU153, HDGF, ACLY, SYYC, RD23A, PSMD4, TERA, EIF3B, IF6, PSA6, RS3A, HNRPK, 1433G, PP1B, PRS8, RL7A, PP2AB, RS6, RL10A, RS27A, RL40, 2ABA, TPM4, EF1A1, GTF2I, RAE1L, HNRPU, SPTB2, EWS, PLCB3, FKBP4, IF4G1, SSBP, 1433F, PUR1, PRDX1, KHDR1, ACTN3, PP2BA, ILF2, ACACA, CBX3, G3BP1, EIF3I, DC1I2, ROCK1, HDAC1, CUL1, NACA, SPTN1, SMC1A, GANAB, PSME4, SYK, PLEC, PP1R7, SC23A, SC23B, TSN, CIP4, MARE1, DDB1, CART, RBBP7, ACTBL, ST1C3, P4R3A, Q6IPH7, C2D1A, POTEE, SND1, CYFP1, MON2, MYH14, CAND1, ABCA7, LRC47, THMS1, CPSF7, GT251, SERB1, ABCF1, Q8TDJ5, Q8WWH9, AGRV1, TCPW, TFG, STAM1, SNR40, VPS35, SIN3A, NIBA2, PSB7, TSNAX, DHRS6, RBM4, XRN2, SPTN4, SLK, MYG1, XPP1, UGGG1, CPSF2, NAGK, NUDT5, PRP19, UBQL1, PACN2, SNX6, NCKP1, HYOU1, LSM4, SNX5, S23IP, V9HVZ7, V9HW77
Species: Homo sapiens
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Fan Z, Li J, Liu T, Zhang Z, Qin W, Qian X. A new tandem enrichment strategy for the simultaneous profiling of O-GlcNAcylation and phosphorylation in RNA-binding proteome. The Analyst 2021 146(4) 33465208
Abstract:
RNA-protein interactions play important roles in almost every step of the lifetime of RNAs, such as RNA splicing, transporting, localization, translation and degradation. Post-translational modifications, such as O-GlcNAcylation and phosphorylation, and their "cross-talk" (OPCT) are essential to the activity and function regulation of RNA-binding proteins (RBPs). However, due to the extremely low abundance of O-GlcNAcylation and the lack of RBP-targeted enrichment strategies, large-scale simultaneous profiling of O-GlcNAcylation and phosphorylation on RBPs is still a challenging task. In the present study, we developed a tandem enrichment strategy combining metabolic labeling-based RNA tagging for selective purification of RBPs and HILIC-based enrichment for simultaneous O-GlcNAcylation and phosphorylation profiling. Benefiting from the sequence-independent RNA tagging by ethynyluridine (EU) labeling, 1115 RBPs binding to different types of RNAs were successfully enriched and identified by quantitative mass spectrometry (MS) analysis. Further HILIC enrichment on the tryptic-digested RBPs and MS analysis led to the first large-scale identification of O-GlcNAcylation and phosphorylation in the RNA-binding proteome, with 461 O-GlcNAc peptides corresponding to 300 RBPs and 671 phosphopeptides corresponding to 389 RBPs. Interestingly, ∼25% RBPs modified by two PTMs were found to be related to multiple metabolism pathways. This strategy has the advantage of high compatibility with MS and provides peptide-level evidence for the identification of O-GlcNAcylated RBPs. We expect it will support simultaneous mapping of O-GlcNAcylation and phosphorylation on RBPs and facilitate further elucidation of the crucial roles of OPCT in the function regulation of RBPs.
O-GlcNAc proteins:
NACAM, SAP18, PLOD2, NOP56, DDX3X, PLXB2, RRP8, SERA, PSMD3, MCA3, PRPF3, TPD54, TIM44, ACTN4, ACSL4, PLOD3, IF2P, ZC11A, SC22B, PR40A, MPPB, CSDE1, U520, NU155, EIF3G, SPF27, RL1D1, CLPX, RTN3, LC7L3, VAPB, SMC2, AP2A1, WIZ, BAG2, TOM40, ACL6A, EGFR, LMNA, TFR1, FRIH, RPN1, RPN2, ITB1, SYEP, HNRPC, SRPRA, VIME, GNAI3, ANXA5, LAMP1, ACADM, TOP1, TOP2A, PABP1, ADT3, TPR, EF2, PDIA4, FPPS, ENPL, ALDR, NDKA, RS2, UBF1, ARF4, NUCL, RAB6A, PSB1, FLNA, SDHB, UBA1, NDKB, ITA6, SFPQ, IF4B, AT2B4, THIL, RS12, PSA4, SYVC, 1433T, MAP4, PSA5, PSB4, NDUS1, ECHM, KCY, AMRP, SDHA, METK2, CPSM, PUR9, HNRH1, 1433S, STIP1, P5CR1, MCM4, HSP74, CTNA1, MYH9, DEK, RL4, SPB5, NUP62, RBMX, TCPZ, ECE1, PRS6B, KI67, RAGP1, ATRX, SYQ, LMAN1, NASP, FAS, AL7A1, SYSC, MCM2, ACADV, NU153, RBP2, DNLI3, MRE11, CPT1A, F10A1, TCPD, RAB7A, IDH3G, HCFC1, DHB4, HDGF, ROA3, 6PGD, NUP98, ACLY, TCP4, SYYC, UBP14, SNAA, IF5, TERA, DSRAD, TPD52, EIF3B, NU107, EPIPL, SC61B, SRP54, B2MG, SMD2, RL23A, YBOX1, NOP14, IF4G2, GTF2I, NUCB2, RT22, HMGN5, RBM10, TFAM, CLH1, SPTB2, SET, CAP1, EXOSX, EWS, ODO1, RL18A, NUCB1, M2OM, LMNB2, SRS11, CALD1, RL18, C1QBP, CKAP4, KHDR1, DHX9, GOGA2, SSRP1, AHNK, AIMP1, ILF3, SRSF5, SRSF6, TIF1B, TCOF, PICAL, SNW1, TRI29, EIF3A, MLEC, CAPR1, SMC1A, RRP1B, GANAB, NUMA1, U5S1, RRS1, ACOX1, PLEC, RNPS1, PUM3, RB11B, SEPT7, DDB1, CDC37, SRSF7, PCKGM, HNRL2, INF2, PDS5A, PREP, RRP12, TOIP1, HP1B3, RBM26, BRE1A, CDKAL, PRP8, ZC3HE, QSOX2, IKIP, TM10C, EIF3M, PABP2, KTN1, CAND1, THOC6, P66A, MISP, CCAR1, PELP1, NDUF2, RM50, PAF1, TXND5, TOIP2, THOC2, TM263, NU133, PDC6I, SCFD1, LMO7, ELYS, RT27, HS105, NU205, RAD50, SMRC1, TNPO1, FUBP1, P5CR2, PTCD3, DDX27, EFGM, IWS1, NIBA2, YMEL1, PSMD1, EIF3C, ROAA, CMS1, MBB1A, GNL3, PDIP3, PININ, ACAD9, SFXN1, CYBP, RM47, RTN4, DDX21, AAAS, CARF, AATF, BCLF1, MYOF, SYLC, NXF1, SEC63, LIMA1, SEPT9, KAD3, RCOR1, ACINU, TMCO1, PPIE, PA2G4, RUVB2, TR150, RT23, CHTOP, TLN1, HYOU1, SAM50, SP16H, UTP18, SRPRB
Species: Homo sapiens
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Xie X, Wu Q, Zhang K, Liu Y, Zhang N, Chen Q, Wang L, Li W, Zhang J, Liu Y. O-GlcNAc modification regulates MTA1 transcriptional activity during breast cancer cell genotoxic adaptation. Biochimica et biophysica acta. General subjects 2021 1865(8) 34019948
Abstract:
Chromatin modifier metastasis-associated protein 1 (MTA1), closely associated with tumor angiogenesis in breast cancer, plays an important role in gene expression and cancer cell behavior. Recently, an association between O-GlcNAc transferase (OGT) and MTA1 was identified by mass spectroscopy. However, the potential relationship between MTA1 and O-GlcNAc modification has not yet explored.
O-GlcNAc proteins:
MED19, SBNO1, PGP, DPRX, SMHD1, RGPD3, ZSWM8, P121C, VGLL3, MCRI1, CK098, KIF2A, DX39A, PDLI1, BACH, MYO1C, MYO1F, AIP, SMAP, AP3B1, PSD11, PSD12, PSMD9, SPT5H, TAF4, DFFA, CLIC1, EIF3F, MATN2, LORF2, IPO5, SAP18, IF2B3, DNM1L, RTCA, AGRIN, PLOD2, HMGN4, IMA4, BCL9, PESC, NOP56, DDX3X, PODXL, CCN1, IMA3, NFIB, MA2B1, PDXK, ARI1A, TXND9, G3PT, CTRO, COPE, AP3D1, PDCD5, NHRF1, TPP1, TCRG1, TNPO2, PSA7, GIPC1, HAT1, HGS, MYPT1, HNRDL, XPO1, ZN609, SPTN2, SC16A, PLXB2, SR140, SET1A, LSM1, NPC1, ARC1B, ARPC2, ARPC3, TIF1A, PGRC2, PFD6, NKRF, LAMA5, ZN185, CASC3, OGT1, PMM2, HMGB3, PPM1G, FANCA, EIF3D, EIF3H, HDAC3, IPO8, STX7, NUP42, CLOCK, KDM6A, DHX15, MCES, FLRT2, PRP4, SERA, DC1L2, PSMD3, RFOX2, PAPS1, ZW10, SNUT1, SPIT2, TGFI1, M3K7, MCA3, HNRPR, PRPF3, TPD54, COCH, IF4G3, PPIH, ARK72, E41L2, TGON2, S26A4, FOXO3, DENR, XPOT, PLRG1, RGS10, ZN207, GET3, BUB3, ACTN4, BUD23, HTSF1, AP1G1, SYNC, KRT86, CPSF5, LANC1, AKAP8, CALU, RAD21, DHX16, MED14, SMCA5, JIP4, ZC3H1, TRAK2, AQR, GANP, KDM1A, GSDME, EVI5, SNX3, OGA, HNRPQ, CCNT1, PLOD3, AP180, PLIN3, MAFK, IMA7, UGDH, CTND1, SNX2, USO1, CCD22, PQBP1, DKC1, IF2P, EDF1, DNJA2, BRD4, PFD1, NBN, MCE1, WDR1, CPNE3, BRE1B, ZC11A, CLU, T22D2, PP6R2, CNOT3, CREST, ANR17, ZPR1, DUS11, PDCD6, TBCA, VATG1, H2AY, FLNB, NCOR1, SPAG7, SC22B, DEAF1, PR40A, VP26A, SAP30, MED24, KTNA1, PSIP1, SRS10, BAF, SF3B1, CSDE1, PRKRA, MED6, NPM3, LYPA1, U520, NU155, WDHD1, CRTAP, EIF3G, STAM2, CCNK, PRAF3, PIAS1, PIAS2, SPF27, DNJC8, SPF30, MPDZ, GLRX3, KRT36, RL1D1, CIAO1, SRP72, DDAH1, RECQ4, MTA2, MYO1D, TOX4, SC24D, PHF14, UBXN7, SUN1, PLPHP, ERLN2, PRP6, PCF11, NFAT5, HAUS5, AP2A2, SC31A, HEXI1, SEM3D, UBR5, AGFG2, SCAF4, ZFPL1, EPN2, ZRAB2, LC7L3, KAT7, MPZL1, FKBP9, CELF2, PAPS2, SMC2, LYPA2, IPO7, AGM1, CD2B2, BAG4, AHSA1, PSMG1, SC24A, SC24B, AGRL2, ACSL3, PCNT, CNOT4, CPSF4, EYA4, K2C75, SNP29, OXSR1, HS74L, PTBP3, AP2A1, STAU1, CAVN2, BAG2, M4K4, BPNT1, MBD3, CLPT1, ACL6A, CYB5, ADH1B, ADH1G, LDHA, DHE3, NB5R3, GSHR, SODC, PNPH, HPRT, AATM, EGFR, PGK1, KAD1, LALBA, FA10, TRYP, ASSY, A2MG, LDLR, HLAH, HBA, CO1A1, K1C14, K2C6A, LMNA, CASA1, CASA2, CASB, CASK, FINC, LACB, ALBU, ALBU, TFR1, GBA1, ALDOA, CYTB, ANXA1, GCR, PRIO, KITH, K2C6B, K2C1, G3P, CPNS1, HSPB1, RPN1, RPN2, GNAI2, AT1B1, ALDOB, A4,