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Hao Y, Li Z, Du X, Xie Q, Li D, Lei S, Guo Y. Characterization and chemoproteomic profiling of protein O-GlcNAcylation in SOD1-G93A mouse model. Molecular medicine (Cambridge, Mass.) 2025 31(1) 40021952
Abstract:
Amyotrophic lateral sclerosis (ALS) is a devastating motor neuron disease. Protein O-linked β-N-acetylglucosamine (O-GlcNAc) modification has been found to affect the processing of several important proteins implicated in ALS. However, the overall level and cellular localization of O-GlcNAc during ALS progression are incompletely understood, and large-scale profiling of O-GlcNAcylation sites in this context remains unexplored.
O-GlcNAc proteins:
TANC2, ZEP3, MA7D2, AMRA1, AJM1, CNTRL, SKT, TITIN, ARI1A, S14L1, KI16B, TM245, RHG42, CTTB2, SAFB1, CCDC6, SHAN1, CE350, SYGP1, TPR, DPYL2, EMD, SYPL1, M3K5, PPE2, VIAAT, CTND2, LIMK2, ACK1, SYUA, ATX2, PDLI1, ZN106, DC1I1, PLIN4, ZFR, HCN2, BSN, SYN1, CO4B, MBP, ARAF, ALDOA, GCR, CATL1, NFL, NFM, RC3H2, NCAM1, HSPB1, MAP1B, G3P, NFH, VIME, MTAP2, MOV10, CRYAB, KCC2B, PABP1, AIMP1, KIF4, FOXK1, STAT3, EAA2, AINX, SOX2, LMNA, INPP, RORG, APC1, ATX1, PCBP3, KCNN2, GCP3, TB182, KCNH8, NPHP4, YTHD1, PI5PA, MRTFB, DOCK4, RUVB1, ABI2, RS3, KCNA2, ZHX1, TRAF5, SURF6, NCOA1, RGRF2, LYAG, IRS2, GBX1, TNIK, WNK1, CSRP1, G3BP2, RLA2, CTNB1, PLAK, S30BP, ENAH, EMAL1, CNN2, CDK12, MA6D1, M3K13, PSD3, PLBL2, PRC2C, MILK2, YETS2, PBIP1, TPPC9, FUBP2, WNK2, LIMC1, TNR6C, ZEP2, AAK1, TNR6A, CAMKV, MINY4, GRM5, ARMX5, N42L1, PACS2, ABL2, OXR1, UN13A, HERC2, PHAR4, SRRM1, TR150, LIN54, TAB3, ZBTB4, UNKL, RBM27, TM1L2, MYO1G, ANR40, SYNRG, NACAD, A1CF, LAMA2, PMEL, NCOR1, LAMA5, BCAR1, HCFC1, MRE11, PACN1, MAFK, MCM7, PTN14, SPTB2, TAF6, SRBS1, DBNL, SH3G1, TLE4, IF4G2, MINT, ZYX, OMGP, HECAM, NR2E1, SF01, SYN2, GPDM, PLK4, SBNO1, SLAI1, PKP4, SYMC, SAM9L, SH3R1, HECD1, ABLM3, ARMX2, CE170, CDC5L, LAR4B, RHG20, F135A, SPKAP, SR140, KIF24, RPRD2, WWC2, REXO4, PTN23, IQCE, TRAK1, RN220, ERC2, NFRKB, MAGI1, TEX2, PF21A, CNOT1, NU188, TRPV1, SC6A5, SMAP2, CPEB3, PLPR3, MYCB2, PRC2B, TPPP, ATX2L, CCNT2, MAP6, SI1L2, ERBIN, R3HD2, AUXI, RERE, SNPH, RIMB2, NU214, INT2, SDA1, EPN1, AGFG2, C2C2L, NRAP, DDHD1, BCAS1, ZN598, CTIP, SHAN2, MACA1, ANR26, MAST4, RHG32, LPP, MYPT2, IF4B, ZN750, WDR48, TB10B, CSTP1, SP130, ZC21A, ZNT6, SUN2, RCC2, ABLM2, HSP13, CLAP2, CNOT4, SRRM2, IKZF5, TOX4, GEPH, DIP2A, LARP4, IFFO1, OSBL6, YTHD3, POGZ, ZHX2, TT21A, SI1L1, RBM14, UBP44, CNOT2, HYCC2, ANK2, DIDO1, PARP9, SYNPO, VCIP1, MB214, TAB1, RPB2, ASPP2, F193A, NAV1, SYNJ1, RPGF2, EP400, PHC3, VP37A, EPN2, PDLI5, CSR2B, FBP1L, SCAM1, ZBT20, HS12A, AGFG1, MATR3, FANCI, PO121, MRTFA, MTSS1, SPART, PPR42, NUP58, RFIP5, BRD8, PP6R2, CS047, LUZP1, RBM12, SC6A8, MAVS, MICA1, SIR2, AMOT, AGAP3, P66B, CCG8, TAF9, WDR13, UBAP2, NCOA5, PEX16, DCP1A, YTHD2, BMP2K, DYST, LRP1, SYUB, ALS2, BICD2, CLIP1, S12A6, NRBP, RP25L, TAB2, DDAH2, HGS, TM2D1, SNCAP, ASH1L, ANR17, RTN4, RRBP1, NUDC2, TPPP3, FLIP1, DDAH1, DLGP1, FIP1, TM263, CNN3, AL7A1, PLIN3, MYPT1, NDUBA, CRIP2, TSC1, NBEA, INP4A, RIMS2, SO1C1, RBP2, MKRN2, RTN3, NUDT3, LGI1, TULP4, ADRM1, FMN2, GIT2, BAG3, ZN207, ASAP1, SON, TBL1X, PLEC, MACF1, NPHP1, VAPB, ADDA, GOGA5, MAP1A, QKI, PCLO, GAB1, FBX6, FOXO1, ADA23, AKA12, NCOR2, C8AP2, TNIP1, DEMA, E41L3, SYUG, ITSN2, ZO2, ADNP, NEK4, APCL, MTMR1, MECP2, E41L1
Species: Mus musculus
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Hou C, Zhang H, Deng J, Wang X, Byers S, Levi M, Pak DTS, Moremen KW, Pei H, Hart GW, Ma J. Comprehensive Evaluation of Cleavable Bioorthogonal Probes for Site-Specific O-GlcNAc Proteomics. Molecular & cellular proteomics : MCP 2025 24(10) 40885482
Abstract:
O-linked β-N-acetylglucosamine (O-GlcNAc) modification (i.e., O-GlcNAcylation) on proteins is an essential modification in physiology and pathology. Although O-GlcNAcylation is functionally critical, its analysis has been challenging. Despite the existence of a number of methods developed in the past years, which one(s) might have the best performance is largely unclear. To that end, we conducted a rigorous comparison of several cleavable bioorthogonal biotin-alkyne probes which showed promise for sensitive O-GlcNAc proteomics. In brief, we developed chemoenzymatic labeling/click chemistry-based analytical workflows for O-GlcNAc proteomics by utilizing four cleavable bioorthogonal probes, including photocleavabe-biotin-alkyne (PC-biotin-alkyne), dialkoxydiphenylsilane-biotin-alkyne (DADPS-biotin-alkyne); 1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-biotin-alkyne (Dde-biotin-alkyne), and diazobenzene-biotin-alkyne (Diazo-biotin-alkyne). The analytical performance of these probes was evaluated with synthetic O-GlcNAc peptides and then benchmarked by using mouse brain lysates for O-GlcNAc proteomics. Besides providing valuable technical insights into O-GlcNAc proteomics methods, our work yielded an unprecedented O-GlcNAc proteome depth in the mouse brain. In total, 2906 O-GlcNAc sites were unambiguously assigned on 878 proteins. Among them, 1611 sites were newly identified, including 138 O-GlcNAcylated tyrosine residues. Our work will help guide the selection/development of O-GlcNAc proteomics methods for future studies, provide an invaluable resource for functional elucidation of protein O-GlcNAcylation in brain biology, and yield critical insights into tyrosine O-GlcNAcylation.
O-GlcNAc proteins:
QSER1, TANC2, ZEP3, MA7D2, CKAP5, AMRA1, CAMP1, LZTS3, AJM1, MA7D1, FRPD1, RPGP1, UBR4, SKT, BCORL, AGRIN, TITIN, SVEP1, ARI1A, SPAS1, KANL3, PHRF1, PTPRS, SCN2A, DLGP4, EP300, RBM25, ILDR2, CTTB2, PTPRZ, NLRC5, CCDC6, SHAN1, SET1A, PARP4, PRR12, TENS1, I2BP2, AKP13, C2CD2, ARI1B, ZC3HD, ARID2, NUMA1, PDZD7, SC16A, SYGP1, TPR, BICRA, SI1L3, PLGT3, DPYL2, EMD, STXB1, AKAP1, CLOCK, DCTN1, NUMBL, DBIL5, SYPL1, M3K5, SCRB2, ATN1, NOTC2, VIAAT, HAP1, CTND2, PITM1, OX2G, REPS1, AKAP2, ACK1, CNTP1, CAC1B, SYUA, PI51C, ATX2, E41L2, PDLI1, ULK1, UBR1, HCN4, KDM6A, ZN106, PDE8A, PPT1, ZFR, HCN2, HCN1, CTBP1, BSN, TOM1, AKA10, HIPK1, SYN1, LGMN, TPP1, THY1, LAMC1, MBP, ALDOA, GCR, CATL1, EGR1, HCK, ENPL, KCC4, NFL, NFM, ITB1, RC3H2, MAMD1, ATX1L, CATB, TAU, LAMP1, DMD, KCC2A, ITPR1, CNTN1, NCAM1, AT1B2, HSPB1, MAP1B, G3P, ATF2, PPIA, CATD, BASI, COF1, NFH, BIP, HEXB, MTAP2, MAG, CYTC, EMB, GRIA1, GRIA2, RS2, RGRF1, KCC2B, PABP1, C5AR1, AIMP1, DPOA2, RAB23, NMDE1, NMDZ1, FMR1, FOXK1, STAT3, EAA2, EGR3, RAD52, ITAV, CBP, AINX, NEDD4, STT3A, RP3A, EPB41, RFX1, SOX2, LMNA, MPIP1, INPP, DHI1, ARSB, VATA, DVL1, ADCY7, DBX1, E41LA, ARNT, SOX1, ATX1, RD23B, 3BP1, AMRP, CX6B1, CTBP2, MAZ, WFS1, PCBP3, PTPA, KCNN2, FOXP1, TB10A, TB182, GMEB2, KCNH8, CAPAM, RHG39, YTHD1, RPC2, PI5PA, MRTFB, DOCK4, IRPL1, MYPR, ABI2, GBB1, RAB3A, VAMP2, KCNA2, KCNJ3, ZHX1, DCC, NFIX, NCOA1, RGRF2, USP9X, TP53B, NACAM, LYAG, IRS2, TNIK, WNK1, G3BP2, ARG28, MPRIP, CAC1A, NPAS2, GRM1, XRN1, SHPS1, NEO1, G3BP1, NFIB, RLA2, GABPA, CBPE, NMDE2, NMDE3, NOTC1, CTNB1, PLAK, S30BP, NFIA, ZEP1, ENAH, KCNB1, RCN1, PGBM, EMAL1, LG3BP, TLE3, MITF, SSRP1, CHD8, TRIO, TANC1, RELCH, CDK12, MA6D1, F171B, SHRM4, PHAR1, GSK3A, PSD3, MLXIP, NELL1, ESP1, PLBL2, PDLI7, PRC2C, MILK2, YETS2, SRSF6, FUBP2, SRBP2, GSE1, F117B, WDR62, FOXK2, CARL3, DIP2B, WNK2, LIMC1, TNR6C, DAB2P, AGAP2, ZEP2, ZSWM8, AAK1, TEN4, TNR6A, CAMKV, MTCL1, PKHA7, COBL1, GRIN1, PRRC1, MINY4, FCHO2, SNX21, LIGO2, MRCKA, KSR2, GRM5, ARMX5, ELAP2, GARL3, 5NTC, PACS2, STOX2, UBN1, ABL2, OXR1, DSCL1, CDV3, PHAR4, ANR28, LRC47, SRRM1, EME2, LIN54, TAB3, STB5L, NEXMI, JCAD, NYNRI, NUFP2, UNKL, PRSR1, OSBP2, SMG7, LRRK2, RBM27, PHF12, CYFP2, TM1L2, ANR40, CCD42, SYNRG, RPGP2, NACAD, LHPL4, EPAB2, LMTK3, SIN3A, SRC8, ICAM5, LAMA2, ITF2, CAPR1, NCOR1, FOXG1, LAMA5, NCOA2, LAMC2, IL18R, NAB1, ASTN1, SPIN1, PAPOA, HCFC1, SAP, NELL2, APC, PGCB, ZN638, AP180, FXR1, GRID2, GRID1, PACN1, HIRA, RAI1, MAFK, NPM, NOTC3, CSPG2, M3K7, DAG1, RO52, SN, SPTB2, TAF6, SPEG, ASPP1, SRBS1, DBNL, SH3G1, TLE4, SP4, IF4G2, MINT, ZYX, OMGP, MEF2D, TFE3, PAN3, HECAM, SF01, SYN2, TBR1, DHSO, CGT, CH058, SBNO1, CRTC1, BEGIN, K1549, GIT1, SLAI1, PKP4, SYMC, CDK13, GBA2, SH3R1, PREX1, JHD2C, HECD1, MOR2A, ABLM3, TBC12, ARMX2, CE170, LAR4B, RHG21, HELZ, MEG10, SCAF8, LIGO3, ZZZ3, F135A, FBX41, SPKAP, RPRD2, WWC2, ZN532, DPP10, TAF9B, S23IP, IF4G1, RBM26, NSD3, SNX19, FHOD1, FKB15, MTSS2, BCR, AHDC1, AAKB2, PTN23, LPPRC, PAPD7, MFF, PIGS, TRAK1, PHLB1, KMT2D, RN220, DLGP3, RA54B, GMIP, WASC2, ERC2, KCC2D, NFRKB, ALEX, MAGI1, CENPE, DNMBP, GGYF2, TEX2, PF21A, KDM3B, FNBP4, CNOT1, LARP1, NU188, SYNE1, IF2A, UB2R2, CMYA5, SEM6D, SOX11, PICAL, ASAP2, HUWE1, SMAP2, PLPR3, PRC2B, C2CD5, TPPP, MACOI, AMPH, ATX2L, PRC2A, TMM94, PP6R1, MAP6, MCAF1, DAAF9, SI1L2, LRRC7, ERBIN, PHF24, R3HD2, NAV3, AGRL1, DEND, AUXI, RERE, SNPH, MADD, RIMB2, PUM1, NU214, SEPT9, SESD1, CBPM, SRA1, EPN1, AKNA, HYDIN, UBN2, AGFG2, CHST2, UBP2L, T106B, C2C2L, REPS2, WNK3, DDHD1, CNKR2, BCAS1, ZN598, SHAN2, PKHL1, S2611, ZFYV1, NRCAM, DLG1, MAST4, RHG32, GPHB5, RN214, LPP, MYPT2, TB10B, CSTP1, SP130, ZC3HE, DLGP2, ZC21A, ZNT6, SUN2, EME1, TNR6B, BAIP2, ABLM2, NCEH1, LRFN3, EMSY, SHC2, SEN34, FAT3, DMXL2, GORAB, CLAP2, K1671, FAKD3, LIPA2, CNOT4, RALYL, SRRM2, TOX4, PAMR1, F163B, GEPH, CREST, KCC1D, GRIN3, LARP4, Z385B, IFFO1, OSBL6, CC169, TENR, YTHD3, STON2, TM266, POGZ, DOC10, ZHX2, EPC2, SWAHC, ZHX3, SI1L1, SH3R3, FRS2, RBM14, CNOT2, MOR2B, HYCC2, ANK2, ELFN1, TM163, DIDO1, SMAG1, SYNPO, BCAS3, VCIP1, BAKOR, TAB1, SCYL2, NED4L, MEF2C, ASPP2, TENS2, F193A, OGT1, CHERP, NAV1, SYNJ1, RPGF2, EP400, PHC3, DPYD, VP37A, EPN2, P66A, PDLI5, ANM5, DOCK3, PLXB1, DNER, SPAT2, SCAM1, SAM14, ZBT20, PHYIP, RTN1, HS12A, C2D1A, UNC5A, PACS1, TRI68, BRD3, LS14A, AGFG1, MATR3, DEN1A, I2BPL, PO121, ABLM1, MRTFA, RPTOR, PLCE1, SPNS1, CACL1, KCNC4, DC1L1, MTSS1, SPART, LRC42, ZN445, RFIP5, IGSF8, BRD8, WIPI1, CDK8, PP6R2, SHLB2, CS047, NTNG2, PP14C, STAB2, LUZP1, RBM12, STAB1, OTU7A, SC6A8, ULA1, CLPT1, MAVS, GRAP1, SGIP1, PI3R4, PHIP, SIR2, GOLI, AMOT, AGAP3, WASF3, P66B, CCG8, TAF9, ZCH14, MCR, SFPQ, WDR13, UBAP2, SMAP1, NCOA5, CXXC5, FRS3, SPS2L, FUBP1, SH319, ZFN2B, VPS36, DLG2, DYH8, DCP1A, YTHD2, PTBP2, SRGP2, SRGP1, BMP2K, DYST, LRP1, SYUB, ALS2, TRFE, GPS2, CLIP1, CIC, WAC, SPRE1, MED1, NRBP, NPTXR, GGT7, GORS2, NONO, TAB2, DPP3, EPN4, RNF34, GAK, DDAH2, ZN281, HGS, RB6I2, RIMS1, ANR17, RTN4, RRBP1, ZN318, TRI33, MZT2, PCYOX, NECP1, FLIP1, NRX1A, SNX2, DDAH1, YIF1B, NOPC1, CYGB, GFOD2, TPD54, CEP97, CD37L, SSBP3, SARNP, SP2, UB2V2, DLGP1, NDUV2, SH24A, FIP1, ST1C2, F135B, TM263, CNPY3, RM12, BTBDH, AL7A1, PLIN3, MYPT1, LNEBL, DCAF6, KC1D, CRIP2, TSC1, NBEA, TCF20, CPSF1, DPYL5, RIMS2, ZN704, RBP2, RTN3, SPN90, SP6, GILT, CLD12, ELF2, TSSC4, LRP1B, NUDT3, CATR, PPR3F, NUP50, TULP4, ORC3, ATR, HYOU1, ADRM1, FMN2, NCOA6, BAG3, MINK1, ZN207, PHC2, SRCN1, ASAP1, SON, SALL2, LIMD1, TBL1X, APBB1, PLEC, MACF1, ULK2, ADDB, ADDA, PCX1, GOGA5, NDRG2, MAGD1, MAP1A, QKI, PCLO, GAB1, MAGL2, FBX6, NPAS3, HIPK2, SH2D3, CATJ, YLPM1, CELR2, RHG07, GUAD, FOXO1, TAGL3, ADA22, AKA12, TEN1, TEN3, NCOR2, ATRN, COR1B, SR5A3, GANP, NFAT5, ASAH1, GSK3B, DEMA, E41L3, CARM1, JIP1, KCNH3, MAGI2, FXR2, SYUG, CLIP2, PALM, ITSN1, ITSN2, ZO2, DYR1B, APCL, BAG6, DPP6, MTMR1, MECP2, SE1L1, E41L1, GRIA3, HOME1
Species: Mus musculus
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Liu X, Cai YD, Hou C, Liu X, Luo Y, Mendiola AJP, Xu X, Luo Y, Zheng H, Zhao C, Chen CH, Zhang Y, Xiang YK, Ma J, Chiu JC. O-GlcNAcylation of nuclear proteins in the mouse liver exhibit daily oscillations that are influenced by meal timing. PLoS biology 2025 23(9) 40997131
Abstract:
The liver circadian clock and hepatic transcriptome are highly responsive to metabolic signals generated from feeding-fasting rhythm. Previous studies have identified a number of nutrient-sensitive signaling pathways that could interpret metabolic input to regulate rhythmic hepatic biology. Here, we investigated the role of O-GlcNAcylation, a nutrient-sensitive post-translational modification (PTM) in mediating metabolic regulation of rhythmic biology in the liver. We observe daily oscillation of global nuclear protein O-GlcNAcylation in the liver of mice subjected to night-restricted feeding (NRF) using label-free global O-GlcNAc proteomics. Additional site-specific O-GlcNAc analysis by tandem mass tag mass spectrometry further supports temporal differences in O-GlcNAcylation by revealing day-night differences. Proteins involved in gene expression are enriched among rhythmically O-GlcNAcylated proteins, suggesting rhythmic O-GlcNAcylation may directly regulate the hepatic transcriptome. We show that rhythmic O-GlcNAcylation can also indirectly modulate nuclear proteins by interacting with phosphorylation. Several proteins harboring O-GlcNAcylation-phosphorylation interplay motif exhibit rhythmic O-GlcNAcylation and phosphorylation. Specifically, we show that O-GlcNAcylation occurs at a phospho-degron of a key circadian transcriptional activator, circadian locomotor output cycles kaput (CLOCK), thus regulating its stability and transcriptional output. Finally, we report that day-restricted feeding (DRF) in the nocturnal mouse significantly alters O-GlcNAcylation pattern. Whereas global O-GlcNAcylation analysis indicates dampening of global O-GlcNAcylation rhythm in mice fed under DRF, site-specific analysis reveals differential responses of O-GlcNAc sites when timing of food intake is altered. Notably, a substantial number of O-GlcNAcylation sites exhibit inverted day-night profiles when mice are subjected to DRF. This suggests the dysregulation of daily nuclear protein O-GlcNAcylation rhythm may contribute to the disruption in liver transcriptome previously observed in DRF condition. In summary, our results provide new mechanistic insights into metabolic regulation of hepatic transcriptional regulators via interplay between O-GlcNAcylation and phosphorylation and shed light on the deleterious effects of improper mealtimes.
O-GlcNAc proteins:
A0A075B680, A0A087WQ44, A0A087WSN6, A0A0A6YVV8, A0A0B6VMB2, A0A0F7QZE4, A0A0G2JGY6, A0A0R4J092, A0A0U1RNL9, A0A1I7Q4G8, A0A1N9PTV1, A0A1Y7VP67, A0A286YCY7, A2A654, ZMYM4, TM201, MED14, A2ADB1, A2AJ72, S35D1, BCORL, A2AQR4, A2ATN3, MGAP, KANL3, PHRF1, B1AR09, B1ASA5, B2RQG2, B2RR24, B2RT41, B2RUQ2, EP300, RBM25, B7ZNL9, D3YWX2, D3Z0K6, D3Z2U7, E9PUF4, E9PUH7, FIBA, E9PV38, SET1A, PARP4, PRR12, E9Q1A5, E9Q1M6, ICE1, E9Q3L4, ANR11, ARI1B, SETD2, YTDC1, ZC3HD, ARID2, E9Q7G1, E9Q9V3, E9Q9Y2, E9QAN9, E9QAP7, E9QKL0, E9QMD3, E9QNA7, F6R9G0, F6T8X6, BICRA, G3UVU2, G3X8Q1, G3X928, G3X961, G3X972, G3X9Q0, PCF11, G5E896, H9KV00, ERR1, GTPB1, HNF6, CLOCK, GLU2B, ATN1, IMA3, KLF12, CALU, AF10, ZN143, SP3, KDM6A, ZN106, ZFR, CCNK, PIAS1, LGMN, SP1, IGHG3, CFAH, EGR1, ITB1, ATX1L, CATB, ITPR1, B4GT1, HNF1A, PGH1, A1AT2, NFYA, PO2F1, 3BHS3, HNF1B, CEBPB, CELF1, RXRA, VTNC, NKTR, SUH, ANT3, G6PC1, FOXA1, FOXK1, STAT3, CBP, FKBP2, FOSL2, RFX1, LMNA, STS, MAT1, PON1, CEBPA, ATX1, RD23B, KMT2A, FUS, PAXB1, LMA2L, MRTFB, SUMO2, PP1B, RS11, SMD3, NFYB, SUMO1, ZHX1, TIAR, TBX3, NFYC, ATF1, ERG, NFIB, RBBP6, GABPA, CREB1, S30BP, NFIA, ZEP1, SPA3M, PPA5, CLUS, GATA4, CHD8, CDK12, Q3T9J2, KHDC4, Q3TGN5, PRC2C, CIART, K22E, YETS2, Q3U1M7, LMF1, FOXK2, PUF60, RREB1, ZEP2, UD3A1, ZCCHV, PRRC1, SFSWA, PRD10, ERMP1, Q3UXF4, TMED1, ZBT45, Q569X9, LIN54, TASO2, RESF1, ZN652, NUFP2, KDM6B, Q5PRE9, Q5RIM6, RBM27, UTP18, Q5SUT0, MED13, Q5SXC4, SFR19, UIMC1, A1CF, SIN3A, CSK21, CAPR1, MEF2A, RBBP7, KLF3, NCOA2, USF1, CTCF, GATA6, TS101, HCFC1, ZN148, HIRA, LASP1, RAI1, MAFK, PRG2, SPTB2, SSXT, TAF6, UD19, NUP62, UD11, MEF2D, TIF1A, USF2, CDK13, JHD2C, HECD1, Q6DI81, SCAF8, NOMO1, FND3B, Q6NXL1, ZMIZ1, NSD3, UGGG1, ALG8, AHDC1, PTN23, PIGS, NUP98, NFRKB, GNAS1, ONEC2, FNBP4, CNOT1, NU188, SPCS3, PICAL, HUWE1, CPEB4, PRR14, ATX2L, NACC1, MCAF1, KANL1, NU214, PR40B, UBN2, TNC18, UBP2L, ZN598, Q80ZX0, DDX42, LPP, TET3, E41L5, SP130, ZC3HE, SUN2, EST2E, NCEH1, ARI5B, EMSY, TM260, RFOX2, TM209, KMT2C, ASPH, SRRM2, NUP54, CPSF7, TOX4, IFIX, CREST, Z385B, PIGT, PGLT1, YTHD3, KAT6A, ASXL2, ZN609, POGZ, SREK1, ZHX2, ZHX3, P20D1, MBNL2, RBM14, PIAS2, CNOT2, ITCH, DIDO1, EPC1, SCYL2, G6PE, TCRG1, BCOR, CCAR1, Q8CHB3, ADNP2, BICRL, EP400, PHC3, P66A, FWCH1, PDLI5, NUP42, ZMIZ2, BTD, UD3A2, ESRP2, TAF10, ZBT20, Q8K154, GT251, ALG3, BRD3, I2BPL, PO121, SF3A1, EST2A, SF3B4, Q8R084, ZBT44, MTSS1, TMED4, ZC3HA, UBQL1, NUP58, BRD8, ATX7, STAB2, RBM12, RBPS2, MED25, MAVS, ALG12, HNRL1, CDIPT, SRSF4, P66B, TAF9, MCR, SFPQ, MBOA5, UBAP2, SMAP1, NCOA5, RBM47, CREL1, SC16B, BAZ2A, RBM5, RISC, ALS2, BCL7B, TMCO1, SYDC, CIC, MED15, WAC, MED1, GORS2, RBM10, ZN281, MLXPL, ANR17, ZN318, TRI33, PCYOX, NECP1, RBM33, SSRA, CREL2, PINX1, INT12, SP2, PHF14, SUN1, APMAP, FIP1, AP2B1, RPN2, LMAN2, AKAP8, MYPT1, RSRC1, EIF3F, Q9EQC8, ERAP1, SALL1, Q9ERL0, RBP2, RTN3, PALLD, TF2H2, ANM1, NUP50, HAKAI, HYOU1, ELOV1, ZN207, DOPP1, CCNT1, TBL1X, PO210, VKGC, QKI, UBQL2, HIPK2, COP1, PR40A, FOXO1, PIGN, MAN1, GANP, ENTP5, NFAT5, CARM1, FOXO3, FBLN5, IF2H, Q9Z1A1, DEAF1, HTAI2, HNRPF, ITPR2, S4R1W8, V9GX43
Species: Mus musculus
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Zhang CC, Li Y, Jiang CY, Le QM, Liu X, Ma L, Wang FF. O-GlcNAcylation mediates H(2)O(2)-induced apoptosis through regulation of STAT3 and FOXO1. Acta pharmacologica Sinica 2024 45(4) 38191912
Abstract:
The O-linked-β-N-acetylglucosamine (O-GlcNAc) glycosylation (O-GlcNAcylation) is a critical post-translational modification that couples the external stimuli to intracellular signal transduction networks. However, the critical protein targets of O-GlcNAcylation in oxidative stress-induced apoptosis remain to be elucidated. Here, we show that treatment with H2O2 inhibited O-GlcNAcylation, impaired cell viability, increased the cleaved caspase 3 and accelerated apoptosis of neuroblastoma N2a cells. The O-GlcNAc transferase (OGT) inhibitor OSMI-1 or the O-GlcNAcase (OGA) inhibitor Thiamet-G enhanced or inhibited H2O2-induced apoptosis, respectively. The total and phosphorylated protein levels, as well as the promoter activities of signal transducer and activator of transcription factor 3 (STAT3) and Forkhead box protein O 1 (FOXO1) were suppressed by OSMI-1. In contrast, overexpressing OGT or treating with Thiamet-G increased the total protein levels of STAT3 and FOXO1. Overexpression of STAT3 or FOXO1 abolished OSMI-1-induced apoptosis. Whereas the anti-apoptotic effect of OGT and Thiamet-G in H2O2-treated cells was abolished by either downregulating the expression or activity of endogenous STAT3 or FOXO1. These results suggest that STAT3 or FOXO1 are the potential targets of O-GlcNAcylation involved in the H2O2-induced apoptosis of N2a cells.
O-GlcNAc proteins:
STAT3, FOXO1
Species: Mus musculus
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Hao Y, Li X, Qin K, Shi Y, He Y, Zhang C, Cheng B, Zhang X, Hu G, Liang S, Tang Q, Chen X. Chemoproteomic and Transcriptomic Analysis Reveals that O-GlcNAc Regulates Mouse Embryonic Stem Cell Fate through the Pluripotency Network. Angewandte Chemie (International ed. in English) 2023 62(17) 36852467
Abstract:
Self-renewal and differentiation of embryonic stem cells (ESCs) are influenced by protein O-linked β-N-acetylglucosamine (O-GlcNAc) modification, but the underlying mechanism remains incompletely understood. Herein, we report the identification of 979 O-GlcNAcylated proteins and 1340 modification sites in mouse ESCs (mESCs) by using a chemoproteomics method. In addition to OCT4 and SOX2, the third core pluripotency transcription factor (PTF) NANOG was found to be modified and functionally regulated by O-GlcNAc. Upon differentiation along the neuronal lineage, the O-GlcNAc stoichiometry at 123 sites of 83 proteins-several of which were PTFs-was found to decline. Transcriptomic profiling reveals 2456 differentially expressed genes responsive to OGT inhibition during differentiation, of which 901 are target genes of core PTFs. By acting on the core PTF network, suppression of O-GlcNAcylation upregulates neuron-related genes, thus contributing to mESC fate determination.
O-GlcNAc proteins:
AMRA1, SETX, SKT, BCORL, AGRIN, MGAP, ARI1A, CHD6, PHRF1, ZCH24, EP300, KIF7, KI67, CE350, ANR11, NUMA1, TPR, MORC3, TAF4B, KMT2B, EMD, AKAP1, TCOF, DCTN1, MNT, NCOA3, ATN1, ECP3, DPOD2, CTND2, PIAS3, AF10, ACK1, GET3, DSG2, ESS2, ATX2, PDLI1, ULK1, BARD1, KDM6A, ZN106, NSD1, ZFR, HIPK1, SETB1, LAMC1, MYCN, GCR, EGR1, RC3H2, ATX1L, DERPC, K2C8, HSPB1, JUND, FGFR1, G3P, ATF2, COF1, HEXB, VIME, PO5F1, CBL, CCNB1, PO2F1, RS2, NFKB1, MAX, PABP1, NEDD1, PTN12, FMR1, ELK1, FOXK1, STAT3, SOX15, PLIN2, CBP, NEDD4, YAP1, RFX1, SOX2, LMNA, ROA1, S1PR2, ARNT, RD23A, PLTP, KMT2A, KLF16, FOXP1, TB182, GMEB2, SENP1, YTHD1, MRTFB, DOCK4, STIM1, TBX3, NCOA1, ERF, SIAE, NACAM, ATF1, WNK1, G3BP2, DNLI3, G3BP1, RLA2, GABPA, S30BP, ZEP1, ENAH, SOX13, CAPR2, APLP2, CLUS, TLE3, GATA4, MITF, CHD8, ZCH18, TANC1, CDK12, SAP25, LIN41, MLXIP, HROB, VRTN, CO039, PDLI7, SMCA4, PRC2C, MILK2, MIDN, YETS2, PBIP1, FUBP2, TFPT, SRBP2, GSE1, F117B, ZN865, WDR62, QRIC1, FOXK2, RREB1, TNR6C, DAB2P, TNR6A, RHG17, PKHA7, COBL1, FCHO2, TET1, ARMX5, GARL3, TET2, CDV3, PHAR4, C2CD3, LIN54, NPA1P, TAB3, TASO2, RESF1, NUFP2, UNKL, COBL, KDM6B, PRSR1, SMG7, RBM27, PHF12, ZDBF2, PUR4, SYNRG, UIMC1, SIN3A, NFAC2, SRC8, SKIL, ELF1, KLF4, NCOR1, KLF3, NCOA2, FOXD3, PAPOA, HCFC1, P3C2A, SIX4, ZFHX3, TOB1, AP180, GLI3, ATRX, MAFK, NPM, M3K7, DAG1, SPTB2, TAF6, TIF1B, SPT6H, SH3G1, ARI3A, TLE1, TLE4, IF4G2, MINT, ZIC3, ZYX, NUP62, PHC1, TFE3, TIF1A, SF01, DAZL, RBL1, KNL1, BCL9L, SBNO1, SLAI1, PKP4, CDK13, SH3R1, JHD2C, HECD1, ARMX2, LAR4B, RHG21, HELZ, SCAF8, UTF1, PKHG2, NIPBL, CCD66, F135A, RPRD2, WWC2, ZN532, KRBA1, TAF9B, RBM26, INT1, BCR, AHDC1, PTN23, PAPD7, KDM3A, KMT2D, CHD4, RN220, NUP98, NFRKB, GGYF2, LCOR, TEX2, PF21A, KDM3B, FNBP4, CNOT1, LARP1, RHG26, NU188, CNDD3, SPAG5, HUWE1, SMAP2, CPEB3, MYCB2, PRC2B, PRR14, MACOI, ATX2L, CKP2L, PRC2A, MCAF1, SI1L2, KANL1, ERBIN, R3HD2, RERE, PUM2, PUM1, NU214, WNK4, TCAM1, SAS6, CAMP3, UBN2, TNC18, AGFG2, WNK3, ZN598, CTIP, SHAN2, NANOG, DDX42, RHG32, VGLU3, LPP, TET3, MYPT2, IF4B, CNO10, MISSL, TB10B, CARF, TGO1, ZN879, SP130, ZC3HE, ZNT6, SUN2, TNR6B, ARI5B, BNC2, KAT6B, KMT2C, CLAP2, CNOT4, SRRM2, TOX4, GEPH, SYP2L, LARP4, KANK2, SALL4, YTHD3, TOIP2, KAT6A, ASXL2, POGZ, TAF5, ZHX2, EPC2, SI1L1, CND2, RBM14, SUCO, CNOT2, DIDO1, SMAG1, LENG8, CDAN1, DPPA4, LRIF1, VCIP1, MB214, TAB1, SCYL2, ASPP2, LS14B, SYEP, F193A, BCOR, OGT1, SUGP1, NAV1, SYNJ1, ADNP2, RPGF2, BICRL, EP400, PHC3, VP37A, EPN2, P66A, PDLI5, ELYS, ZBT20, ANLN, AGFG1, MATR3, CASC3, I2BPL, PO121, ALMS1, SF3A1, GRHL2, ATF7, CACL1, DC1L1, MTSS1, SPART, TDIF2, HBP1, NUP58, RFIP5, BRD8, WIPI1, CDK8, CS047, ATX7, NUP35, LUZP1, RPAP2, NDC1, MAVS, AMOT, CSKI2, P66B, TAF9, IPO4, ZCH14, UBAP2, NCOA5, FUBP1, RBM47, AJUBA, VPS36, DCP1A, EGLN2, YTHD2, SRGP2, GRHL1, BCL7B, P4R3B, PLRG1, WAC, TRPS1, MED1, ACATN, NRBP, RP25L, NONO, TAB2, EPN4, DDAH2, NOG2, ZN281, HGS, NASP, ARIP4, ANR17, ZN318, TRI33, MZT2, ZWINT, ECD, YIF1B, ROA0, DHRS7, TPD54, SSBP3, PSRC1, SARNP, BCL9, SP2, NOP56, SH24A, FIP1, PLIN3, MYPT1, KC1D, TCF20, TOR3A, SALL1, ZN704, RBP2, UBE4B, TBX20, AFF4, RBCC1, 4ET, PALLD, ELF2, TSSC4, NUDT3, HAKAI, ADRM1, NCOA6, FANCA, GIT2, BAG3, TOB2, ZN207, SON, TBL1X, PLEC, MACF1, GOGA5, QKI, GAB1, DMRT1, YLPM1, PCM1, RHG07, TAF7, FOXO1, ADA23, AKA12, UXT, MAN1, NCOR2, AKT3, COR1B, TNIP1, GANP, DEMA, CARM1, RGAP1, ITSN2, ZO2, KLF5, ADNP, ARI3B, BCL3, SE1L1, E41L1, ZN292
Species: Mus musculus
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Burt RA, Dejanovic B, Peckham HJ, Lee KA, Li X, Ounadjela JR, Rao A, Malaker SA, Carr SA, Myers SA. Novel Antibodies for the Simple and Efficient Enrichment of Native O-GlcNAc Modified Peptides. Molecular & cellular proteomics : MCP 2021 20 34678516
Abstract:
Antibodies against posttranslational modifications (PTMs) such as lysine acetylation, ubiquitin remnants, or phosphotyrosine have resulted in significant advances in our understanding of the fundamental roles of these PTMs in biology. However, the roles of a number of PTMs remain largely unexplored due to the lack of robust enrichment reagents. The addition of N-acetylglucosamine to serine and threonine residues (O-GlcNAc) by the O-GlcNAc transferase (OGT) is a PTM implicated in numerous biological processes and disease states but with limited techniques for its study. Here, we evaluate a new mixture of anti-O-GlcNAc monoclonal antibodies for the immunoprecipitation of native O-GlcNAcylated peptides from cells and tissues. The anti-O-GlcNAc antibodies display good sensitivity and high specificity toward O-GlcNAc-modified peptides and do not recognize O-GalNAc or GlcNAc in extended glycans. Applying this antibody-based enrichment strategy to synaptosomes from mouse brain tissue samples, we identified over 1300 unique O-GlcNAc-modified peptides and over 1000 sites using just a fraction of sample preparation and instrument time required in other landmark investigations of O-GlcNAcylation. Our rapid and robust method greatly simplifies the analysis of O-GlcNAc signaling and will help to elucidate the role of this challenging PTM in health and disease.
O-GlcNAc proteins:
IQIP1, A0A0A6YWG7, A0A0G2JF55, A0A0N4SW93, A0A0R4J060, A0A0U1RPL0, A0A140LIW3, A0A140T8K9, A0A1B0GS41, A0A1B0GS91, A0A1D5RMI8, A0A1L1M1J8, A0A1L1SR84, A0A1N9NPH8, A0A1Y7VNZ6, A0A286YDB3, A0JNY3, A2A482, A2A654, TANC2, LZTS3, AJM1, BCORL, A2AUD5, A2AWN8, B1ASA5, B1ATC3, B1AUX2, B2RQL0, CSPP1, B2RY58, B7ZNA5, CTTB2, D3YU22, D3YUV1, D3YWX2, D3YZ21, SHAN1, D3Z5K8, E0CXZ9, E9PUL3, PRRT2, E9PUR0, E9PV26, E9PVY8, SET1A, E9Q0N0, E9Q3E2, NU153, E9Q4K0, ARI1B, SETD2, E9Q6H8, E9Q6L9, E9Q828, E9Q9C0, E9Q9Y4, E9QAQ7, E9QAU4, E9QAU9, E9QKI2, E9QLZ9, E9QM77, F2Z3U3, F6RQA2, SYGP1, F7C376, BICRA, F8VQL9, F8WIS9, G3UZM1, G3X8R8, G3X928, RFIP2, H3BKF3, H3BKP8, H9KV00, J3QNT7, DPYL2, PRDX6, MNT, NUMBL, PEX5, BMPR2, CTND2, PITM1, ACK1, CAC1B, SYUA, DSG2, SPT5H, E41L2, SP3, KDM6A, CPNS1, ZFR, HCN1, CTBP1, BSN, STAM2, SYN1, MBP, EGR1, NFL, NFM, ITB1, RC3H2, ATX1L, RL7A, MAP1B, VIME, EIF3A, RGRF1, PABP1, FOXK1, EAA2, CBP, RFX1, SOX2, KPYM, CTBP2, GCP3, TB182, GMEB2, PI5PA, DOCK4, PCBP1, LIPA3, RS3, PAX6, KCNJ3, PP2BA, TBA4A, STAM1, NCOA1, CXB6, WNK1, PSME2, WBP2, SHPS1, NRSN1, CTNB1, PLAK, S30BP, ZEP1, YES, CAPR2, MITF, GRD2I, Q0VF59, HDX, MA6D1, F171B, ZFHX2, MLXIP, PDLI7, PRC2C, CIART, YETS2, SRBP2, Q3U2K8, GSE1, RREB1, WNK2, DAB2P, ZEP2, AAK1, TNR6A, GRIN1, SRBS2, GRM5, Q3UZG4, RBM44, Q3ZB57, PHAR4, RESF1, Q5EBP8, UNKL, VP13A, COBL, KDM6B, PRSR1, Q5RIM6, SMG7, RBM27, TM1L2, Q5SVJ0, Q5SXC4, SIN3A, GAS7, CAPR1, KLF3, SIX4, AP180, GRID2, PACN1, LASP1, RAI1, NOTC3, SALL3, SPTB2, ARI3A, NUP62, PHC1, TFE3, PAN3, TIF1A, SF01, SYN2, SBNO1, CRTC1, RIPR1, GIT1, PKP4, ABLM3, ARMX2, CE170, Q6AXD2, NIPBL, FBX41, RPRD2, WWC2, Q6P1J1, Q6P5E3, UGGG1, SPRE3, Q6P9N8, AHDC1, PTN23, TRAK1, DLGP3, NYAP1, DHX29, NFRKB, MAGI1, Q6XZL8, CNOT1, SYNE2, IF2A, PLPR4, PLPR3, CCNT2, PRC2A, MAP6, MCAF1, RERE, NU214, SESD1, C2C2L, CNKR2, SLIK5, RHG32, LPP, NELFA, C42S2, TB10B, TGO1, RFOX3, SP130, ANS1B, ZC3HE, ZC21A, BAIP2, KAT6B, RELL2, LIPA2, CNOT4, TOX4, GASP2, CREST, KDM4A, GRIN3, KAT6A, ZN609, PAK5, A16L1, SI1L1, SH3R3, SKA3, RBM14, Q8C5J0, CNOT2, WDR26, UBA6, ANK2, DIDO1, SYNPO, VCIP1, FHI2A, NUP88, NED4L, SET1B, TENS2, OGT1, NAV1, STAU2, AFG32, S4A8, ZBT20, HS12A, GLT18, UNC5A, AGFG1, FRRS1, KCNQ3, PO121, T2FB, MTSS1, Q8R2E1, NUP35, MAVS, SGIP1, HNRL1, PP16B, CCG8, SFPQ, UBAP2, NCOA5, AJUBA, DCP1A, TWF1, ALS2, ETFD, GRIP1, GORS2, NONO, ZN281, CT2NL, RN111, ANR17, PPP6, RBM7, CYGB, SARNP, DLGP1, SUN1, TM263, GON4L, PLIN3, MYPT1, NBEA, ZN704, RBP2, ARHG7, RTN3, NUDT3, TULP4, Q9JIZ5, PAR6G, SCAM5, PRG4, ZN207, SRCN1, ASAP1, DREB, ULK2, ADDA, PCLO, UBQL2, FBX6, PCM1, SYT7, CRY2, FOXO1, MAST1, LYPA2, TEN3, GANP, DEMA, E41L3, ZO2, BAG6, E41L1, RM40, GRIA3, S4R294, V9GWU7, V9GX40
Species: Mus musculus
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Zhao M, Ren K, Xiong X, Cheng M, Zhang Z, Huang Z, Han X, Yang X, Alejandro EU, Ruan HB. Protein O-GlcNAc Modification Links Dietary and Gut Microbial Cues to the Differentiation of Enteroendocrine L Cells. Cell reports 2020 32(6) 32783937
Abstract:
Intestinal L cells regulate a wide range of metabolic processes, and L-cell dysfunction has been implicated in the pathogenesis of obesity and diabetes. However, it is incompletely understood how luminal signals are integrated to control the development of L cells. Here we show that food availability and gut microbiota-produced short-chain fatty acids control the posttranslational modification on intracellular proteins by O-linked β-N-acetylglucosamine (O-GlcNAc) in intestinal epithelial cells. Via FOXO1 O-GlcNAcylation, O-GlcNAc transferase (OGT) suppresses expression of the lineage-specifying transcription factor Neurogenin 3 and, thus, L cell differentiation from enteroendocrine progenitors. Intestinal epithelial ablation of OGT in mice not only causes L cell hyperplasia and increased secretion of glucagon-like peptide 1 (GLP-1) but also disrupts gut microbial compositions, which notably contributes to decreased weight gain and improved glycemic control. Our results identify intestinal epithelial O-GlcNAc signaling as a brake on L cell development and function in response to nutritional and microbial cues.
O-GlcNAc proteins:
FOXO1
Species: Mus musculus
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Joubert M, Jagu B, Montaigne D, Marechal X, Tesse A, Ayer A, Dollet L, Le May C, Toumaniantz G, Manrique A, Charpentier F, Staels B, Magré J, Cariou B, Prieur X. The Sodium-Glucose Cotransporter 2 Inhibitor Dapagliflozin Prevents Cardiomyopathy in a Diabetic Lipodystrophic Mouse Model. Diabetes 2017 66(4) 28052965
Abstract:
Type 2 diabetes mellitus (T2DM) is a well-recognized independent risk factor for heart failure. T2DM is associated with altered cardiac energy metabolism, leading to ectopic lipid accumulation and glucose overload, the exact contribution of these two parameters remaining unclear. To provide new insight into the mechanism driving the development of diabetic cardiomyopathy, we studied a unique model of T2DM: lipodystrophic Bscl2-/- (seipin knockout [SKO]) mice. Echocardiography and cardiac magnetic resonance imaging revealed hypertrophic cardiomyopathy with left ventricular dysfunction in SKO mice, and these two abnormalities were strongly correlated with hyperglycemia. Surprisingly, neither intramyocardial lipid accumulation nor lipotoxic hallmarks were detected in SKO mice. [18F]Fludeoxyglucose positron emission tomography showed increased myocardial glucose uptake. Consistently, the O-GlcNAcylated protein levels were markedly increased in an SKO heart, suggesting a glucose overload. To test this hypothesis, we treated SKO mice with the hypoglycemic sodium-glucose cotransporter 2 (SGLT2) inhibitor dapagliflozin and the insulin sensitizer pioglitazone. Both treatments reduced the O-GlcNAcylated protein levels in SKO mice, and dapagliflozin successfully prevented the development of hypertrophic cardiomyopathy. Our data demonstrate that glucotoxicity by itself can trigger cardiac dysfunction and that a glucose-lowering agent can correct it. This result will contribute to better understanding of the potential cardiovascular benefits of SGLT2 inhibitors.
O-GlcNAc proteins:
AKT2, FOXO1
Species: Mus musculus
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Chuh KN, Batt AR, Zaro BW, Darabedian N, Marotta NP, Brennan CK, Amirhekmat A, Pratt MR. The New Chemical Reporter 6-Alkynyl-6-deoxy-GlcNAc Reveals O-GlcNAc Modification of the Apoptotic Caspases That Can Block the Cleavage/Activation of Caspase-8. Journal of the American Chemical Society 2017 139(23) 28528544
Abstract:
O-GlcNAc modification (O-GlcNAcylation) is required for survival in mammalian cells. Genetic and biochemical experiments have found that increased modification inhibits apoptosis in tissues and cell culture and that lowering O-GlcNAcylation induces cell death. However, the molecular mechanisms by which O-GlcNAcylation might inhibit apoptosis are still being elucidated. Here, we first synthesize a new metabolic chemical reporter, 6-Alkynyl-6-deoxy-GlcNAc (6AlkGlcNAc), for the identification of O-GlcNAc-modified proteins. Subsequent characterization of 6AlkGlcNAc shows that this probe is selectively incorporated into O-GlcNAcylated proteins over cell-surface glycoproteins. Using this probe, we discover that the apoptotic caspases are O-GlcNAcylated, which we confirmed using other techniques, raising the possibility that the modification affects their biochemistry. We then demonstrate that changes in the global levels of O-GlcNAcylation result in a converse change in the kinetics of caspase-8 activation during apoptosis. Finally, we show that caspase-8 is modified at residues that can block its cleavage/activation. Our results provide the first evidence that the caspases may be directly affected by O-GlcNAcylation as a potential antiapoptotic mechanism.
O-GlcNAc proteins:
A2A4A6, A2A5R8, GPTC8, SPD2B, A2ACG7, A2AFQ9, A2AFW6, A2AG46, CKAP5, A2AH75, A2AJ72, MA7D1, A2AL12, A2AMW0, A2AMY5, TPX2, PPIG, LAS1L, A5A4Y9, A6PWC3, A6PWK7, UBP36, B1AT03, B1AT82, B1AU75, B2RQG2, OTUD4, B7ZCP4, B7ZP47, D3YUW8, D3YWF6, D3YWK1, D3YX62, SAFB1, D3YXM7, D3YZ06, D3YZP6, D3Z069, D3Z158, D3Z3F8, D3Z6W2, E0CYM1, E9PUH7, E9PVM7, E9PWG6, E9PWV3, E9PWW9, E9PY48, E9PYT3, E9PZM7, E9Q066, E9Q2X6, NU153, E9Q450, E9Q4K7, E9Q4Q2, KIF23, BD1L1, NUMA1, E9Q7M2, E9Q986, E9Q9E1, E9Q9H2, E9QKG3, E9QKG6, E9QKZ2, E9QLA5, E9QP49, E9QP59, E9QPI5, F2Z3X7, F6S5I0, F7AA26, F7BQE4, FARP1, F8VQ93, F8VQC7, F8VQE9, F8VQK5, F8WI30, G3UZ44, G3UZX6, G3X8R0, G3X8Y3, G3X928, G3X963, G3X972, G3X9V0, G5E896, G5E8E1, H3BJU7, H3BK31, H3BKK2, H7BX26, I1E4X0, I7HIK9, J3QNW0, DPYL2, GTPB1, AKAP1, TCOF, AIP, HDAC1, RL21, GSH0, KIF1C, DHX15, SC6A6, IF6, ILK, ATX2, NMT1, E41L2, DHB12, SRPK1, ZN326, ZFR, PARG, SPD2A, SP1, CASP8, HPRT, LDHA, G6PI, TYSY, RIR1, GNAI2, ITB1, 4F2, H2B1F, MAP1B, HMOX1, LEG1, G3P, KS6A3, COF1, GNAO, IFRD1, VIME, UBL4A, CBX3, CXA1, CATA, IMDH2, IL1RA, MCM3, CDK4, NKTR, FKBP4, CBX2, HMGB2, AIMP1, KAP3, MP2K1, SYWC, KIF4, NEDD1, DPOLA, RANG, UBP4, PTN11, RAB18, PTN1, PTN12, LDLR, DNLI1, CAP1, STAT3, STA5B, PURA, ALD2, RAGP1, NEDD4, STT3A, ALDH2, GSHR, GFPT1, PCY1A, MCM4, ICAL, PLCB3, CDN2A, HDGF, UBP10, KPYM, CCHL, IDHP, DDX6, GOGA3, COX17, ACTN4, GCP3, TB182, EIF3E, ABCE1, PFD3, 1433E, RAP1A, RS25, TCTP, DNJA1, HMGB1, IF5A1, RS17, RS12, UB2L3, HXD13, HDAC2, ELAV1, TP53B, CASP3, PYRG1, TCPB, STIM2, SRSF3, CSRP2, SPTC2, BOP1, SMAD4, M4K4, HNRL2, MARK3, LARP7, CNN2, PP4R2, PEPD, CDCA2, Q3TFP0, GUAA, PDE12, Q3TL72, PRC2C, NOL9, FUBP2, TRADD, CTU2, ZN865, Q3U4W8, Q3UG37, NAT9, NOL8, Q3UJQ9, SC31A, NCBP1, LRRF1, DDX17, LRC47, JIP4, EHMT1, CA050, AAPK1, NSRP1, Q5RL57, Q5SQB0, TENS3, PUR4, Q5UE59, SRC8, SAMH1, KHDR1, GRB10, HELLS, SPB6, RIPK1, CAPR1, ASNS, LAP2A, CDC37, TS101, SNTB2, FNTA, BAP31, PLPP1, FSCN1, FXR1, DDX5, ATRX, DDX3Y, DDX3X, TGFI1, DBNL, SH3G1, CYTB, SMAD2, NDRG1, ZYX, SQSTM, TPP2, ZN512, LAR4B, F120A, CNDG2, NOP58, LTV1, Q6NV52, Q6NXL1, Q6NZD2, ANKL2, Q6P5B5, XPO1, KIF15, FHOD1, TXLNA, PTN23, JUPI2, NUDC1, TACC1, UBE2O, LARP1, ACAP2, 2AAA, MTCH2, ZN503, CYFP1, HNRPQ, SPAG7, DEK, ACTN1, ATX2L, CKP2L, ZN516, ERBIN, SEPT9, PGRC2, Q80VB6, PI42B, ZN598, SAFB2, Q80ZX0, DLG1, LPP, PEF1, IF4B, FTO, TIPRL, Q8BH80, MISSL, ERC6L, CARF, PRUN1, NUP93, FBX30, HBAP1, AHSA1, RCC2, IPO5, SYLC, CKAP4, MAP11, PALM2, CPNE3, SENP7, CSN7B, NSD2, DPP9, Q8BWW3, KANK2, PXK, PIGT, ITPK1, NHLC2, MAP1S, GWL, PKHH2, CND2, THOP1, SEP11, SKA3, CA198, SEP10, AROS, UBA6, LIPB1, SMAG1, Q8CCM0, ZN276, NAA30, SNX8, SYEP, OGT1, GNL3, PDLI5, FERM2, AGO2, HMCS1, AMERL, SCNM1, DNM1L, NEK9, ANLN, EDC3, MATR3, CHAP1, MEPCE, ERF3A, CC137, TDIF2, VPS18, RFC3, MCMBP, HEXI1, LUZP1, SNP47, TMX1, MAVS, UBXN4, Q8VCQ8, ACSF2, PARN, VIGLN, PSMD2, NAA40, F1142, ZNG1, PAXI, SFPQ, CPIN1, RAB14, IPYR2, PUS7, CSDE1, PIP30, RABE2, CISD1, Q91X76, DUS3L, KCC1A, TTC1, SRGP2, SNX18, RISC, HNRLL, Q921K2, PP6R3, LRC59, UBXN1, DBR1, KCC2G, Q924B0, WAC, SMC6, PAWR, SIAS, STML2, PSIP1, NXF1, PDXD1, NONO, PLST, RRAGC, VMA5A, MAOM, DCTN2, ZN281, CT2NL, GRPE1, ABD12, NU155, OGFR, NPM3, NOP16, GLOD4, DUT, MTAP, IFM3, CYB5B, PAF15, PSMD9, WIPI3, SKA2, VATG1, CHSP1, LRC40, RANB3, SMC1A, MFR1L, ARHGP, DDX47, TBC15, PPIL4, MPPB, CYBP, TECR, SERB1, ZCHC8, SPCS2, Q9CZP3, CD37L, SSBP3, MMS19, MGRN1, ARPIN, HNRPM, SYRC, MCES, Q9D4G5, ATAD1, F162A, TRIR, IPYR, PHF10, ARFG3, ORN, BOLA1, CNN3, KAP0, PLIN3, AKAP8, XRN2, GNAI3, PUR6, RAI14, SENP3, ARFG1, SIL1, VPS35, DGCR8, SYCC, ELP4, LIMA1, XPO2, RBP2, RTN3, PALLD, TMOD3, STK3, COPB, NUP50, DDX21, SH3L1, DDX20, MBNL1, BAG3, GKAP1, ZN207, TRXR1, PPCE, CAF1A, LIMD1, NDRG3, DNJC7, NFU1, COPG1, NUBP1, SMAP, DEST, ACOT9, PR40A, FOXO1, FIZ1, NFKB2, KAD2, AKA12, PRKRA, PDC6I, CHIP, COR1C, VAPA, NDKM, E41L3, TAGL2, CARM1, MTNB, BCL10, IF2G, P5CS, COG1, MD2L1, EIF3G, SAE2, ILF3, TRIP6, USO1, BAZ1B, HNRPF, KEAP1
Species: Mus musculus
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Hong-Brown LQ, Brown CR, Navaratnarajah M, Lang CH. Adamts1 mediates ethanol-induced alterations in collagen and elastin via a FoxO1-sestrin3-AMPK signaling cascade in myocytes. Journal of cellular biochemistry 2015 116(1) 25142777
Abstract:
A variety of stressors including alcohol (EtOH) are known to induce collagen production and fibrotic diseases. Matrix metalloproteinases (MMP) play an important role in regulating fibrosis, but little is known regarding the relationship between EtOH and MMPs. In addition, the signaling cascades involved in this process have not been elucidated. We have identified the MMP Adamts1 as a target of EtOH regulation. To characterize the function of Adamts1, we examined EtOH-induced alterations in collagen I and elastin protein levels in C2C12 myocytes. Incubation of myocytes with 100 mM EtOH decreased elastin and increased collagen content, respectively, and these changes were associated with increased O-GLcNAc modification of Adamts1. Conversely, silencing of Adamts1 by siRNA blocked the adverse effects of EtOH on collagen and elastin levels. Similar results were obtained after treatment with a pharmacological inhibitor of MMP. Changes in collagen were due, at least in part, to a decreased interaction of Adamts1 with its endogenous inhibitor TIMP3. The AMPK inhibitor compound C blocked the EtOH-induced stimulation of collagen and O-GLcNAc Adamts1 protein. Changes in AMPK appear linked to FoxO1, since inhibition of FoxO1 blocked the effects of EtOH on AMPK phosphorylation and O-GLcNAc levels. These FoxO-dependent modifications were associated with an upregulation of the FoxO1 transcription target sestrin 3, as well as increased binding of sestrin 3 with AMPK. Collectively, these data indicate that EtOH regulates the collagen I and elastin content in an Adamts1-dependent manner in myocytes. Furthermore, Adamts1 appears to be controlled by the FoxO1-sestrin 3-AMPK signaling cascade.
O-GlcNAc proteins:
ATS1, FOXO1
Species: Mus musculus
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Fardini Y, Perez-Cervera Y, Camoin L, Pagesy P, Lefebvre T, Issad T. Regulatory O-GlcNAcylation sites on FoxO1 are yet to be identified. Biochemical and biophysical research communications 2015 462(2) 25944660
Abstract:
O-GlcNAcylation is a reversible post-translational modification that regulates cytosolic and nuclear proteins. We and others previously demonstrated that FoxO1 is O-GlcNAcylated in different cell types, resulting in an increase in its transcriptional activity. Four O-GlcNAcylation sites were identified in human FOXO1 but directed mutagenesis of each site individually had modest (T317) or no effect (S550, T648, S654) on its O-GlcNAcylation status and transcriptional activity. Moreover, the consequences of mutating all four sites had not been investigated. In the present work, we mutated these sites in the mouse Foxo1 and found that mutation of all four sites did not decrease Foxo1 O-GlcNAcylation status and transcriptional activity, and would even tend to increase them. In an attempt to identify other O-GlcNAcylation sites, we immunoprecipitated wild-type O-GlcNAcylated Foxo1 and analysed the tryptic digest peptides by mass spectrometry using High-energy Collisional Dissociation. We identified T646 as a new O-GlcNAcylation site on Foxo1. However, site directed mutagenesis of this site individually or together with all four previously identified residues did not impair Foxo1 O-GlcNAcylation and transcriptional activity. These results suggest that residues important for the control of Foxo1 activity by O-GlcNAcylation still remain to be identified.
O-GlcNAc proteins:
FOXO1
Species: Mus musculus
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Jeon JH, Suh HN, Kim MO, Ryu JM, Han HJ. Glucosamine-induced OGT activation mediates glucose production through cleaved Notch1 and FoxO1, which coordinately contributed to the regulation of maintenance of self-renewal in mouse embryonic stem cells. Stem cells and development 2014 23(17) 24730386
Abstract:
We aimed to study the relationship between glucosamine and FoxO1/Notch in gluconeogenesis and maintenance of mouse embryonic stem cell (mESC) self-renewal. Glucosamine (GlcN) increased glucose production and gluconeogenic enzyme (G6Pase and PEPCK) expression. GlcN also increased the percentage of cells in S phase, number of cells, and the protein expression of cell cycle regulatory proteins that were blocked by 3-mercaptopicolinic acid (gluconeogenesis inhibitor) or glucose transporter (GLUT) 1 neutralizing antibody. GlcN increased the O-GlcNAc transferase (OGT)-dependent protein O-GlcNAc level. Moreover, inhibition of OGT (by ST045849) decreased glucose production. GlcN enhanced the expression of OGT-dependent O-GlcNAcylated Notch1 and then increased the translocation of cleaved Notch1 to the nucleus. Moreover, GlcN stimulated the translocation of O-GlcNAcylated FoxO1 to the nucleus. GlcN increased the binding between cleaved Notch1 and FoxO1 with CSL, a transcription factor, which was blocked by L-685,458 (γ-secretase inhibitor) or ST045849, respectively. Simultaneous blockage of cleaved Notch1 and FoxO1 also decreased the expression of G6Pase and PEPCK more significantly than that by inhibition of cleaved Notch1 alone or FoxO1 alone. In addition, GlcN maintained the undifferentiation status while depletion of Notch1 and FoxO1 for 3 days decreased Oct4 and SSEA-1 expression and alkaline phosphatase activity or increased the mRNA expression of GATA4, Tbx5, Cdx2, and Fgf5. In conclusion, GlcN-induced OGT activation mediated glucose production through cleaved Notch1 and FoxO1, which contributed to the regulation of maintenance of self-renewal in mESCs.
O-GlcNAc proteins:
NOTC1, FOXO1
Species: Mus musculus
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Chuh KN, Zaro BW, Piller F, Piller V, Pratt MR. Changes in metabolic chemical reporter structure yield a selective probe of O-GlcNAc modification. Journal of the American Chemical Society 2014 136(35) 25153642
Abstract:
Metabolic chemical reporters (MCRs) of glycosylation are analogues of monosaccharides that contain bioorthogonal functionalities and enable the direct visualization and identification of glycoproteins from living cells. Each MCR was initially thought to report on specific types of glycosylation. We and others have demonstrated that several MCRs are metabolically transformed and enter multiple glycosylation pathways. Therefore, the development of selective MCRs remains a key unmet goal. We demonstrate here that 6-azido-6-deoxy-N-acetyl-glucosamine (6AzGlcNAc) is a specific MCR for O-GlcNAcylated proteins. Biochemical analysis and comparative proteomics with 6AzGlcNAc, N-azidoacetyl-glucosamine (GlcNAz), and N-azidoacetyl-galactosamine (GalNAz) revealed that 6AzGlcNAc exclusively labels intracellular proteins, while GlcNAz and GalNAz are incorporated into a combination of intracellular and extracellular/lumenal glycoproteins. Notably, 6AzGlcNAc cannot be biosynthetically transformed into the corresponding UDP sugar-donor by the canonical salvage-pathway that requires phosphorylation at the 6-hydroxyl. In vitro experiments showed that 6AzGlcNAc can bypass this roadblock through direct phosphorylation of its 1-hydroxyl by the enzyme phosphoacetylglucosamine mutase (AGM1). Taken together, 6AzGlcNAc enables the specific analysis of O-GlcNAcylated proteins, and these results suggest that specific MCRs for other types of glycosylation can be developed. Additionally, our data demonstrate that cells are equipped with a somewhat unappreciated metabolic flexibility with important implications for the biosynthesis of natural and unnatural carbohydrates.
O-GlcNAc proteins:
A1BN54, A2A4Z1, A2A6U3, A2AFJ1, A2AG83, A2AL12, A2AMW0, A2AMY5, LAS1L, B1AU75, OTUD4, B7FAU9, B7ZP47, D3YUC9, D3YVJ7, SAFB1, D3Z4W3, E9PVC5, E9PZM7, E9Q066, E9Q2X6, E9Q310, E9Q5L7, E9Q7M2, E9Q986, F6T2Z7, G3UZ44, G3UZI2, G3X8Q0, G3X8Y3, G3X928, G3X972, G3X9V0, G5E8E1, H3BKK2, J3JS94, CAN2, DPYL2, AIP, HDAC1, MP2K3, GSH0, DHX15, ZW10, AKAP2, SLK, NMT1, E41L2, SRPK1, PARG, SPD2A, LDHA, ANXA2, RIR1, ANXA1, LMNB1, LEG1, G3P, TPIS, COF1, FAS, CBX3, BCAT1, MCM3, MAP4, FKBP4, HMGB2, AIMP1, MP2K1, SYWC, RANG, UBP4, PTN11, RAB5C, DNLI1, CAP1, STAT3, EPS15, PURA, MSH2, ALD2, PURA2, NEDD4, GFPT1, PCY1A, ICAL, HDGF, UBP10, ACTN4, EF2, TB182, SF3B6, PCBP1, PSME3, PFD3, MTPN, DNJA1, SUMO1, IF5A1, UB2L3, HDAC2, ELAV1, 4EBP2, PYRG1, TCPB, BOP1, DAB2, XDH, UBA1, LARP7, CNN2, PP4R2, PSA, Q3TFP0, GUAA, METK2, FA98A, Q3TT92, UAP1L, NOL9, FUBP2, Q3U4W8, YRDC, NOL8, COBL1, CSTOS, LRRF1, Q3V3Y9, DDX17, MDC1, TENS3, Q5UE59, SRC8, SAMH1, KHDR1, SPB6, CAPR1, PAPS1, ASNS, LAP2B, LAP2A, PPM1G, CDC37, FXR1, PCBP2, KPCI, DDX3X, TSN, DBNL, CYTB, ZYX, RALY, SQSTM, TPP2, PEAK1, NOP58, TPM4, LTV1, ZC11A, Q6P5B5, SMHD1, GGA2, TXLNA, JUPI2, UBE2O, LARP1, 2AAA, MTCH2, DEK, MBB1A, ATX2L, OTUB1, MAP6, AFTIN, FLNB, PI42B, ZN598, SAFB2, GRWD1, CPPED, LPP, PEF1, IF4B, SYAC, RUFY1, PRUN1, CTF18, AHSA1, RCC2, IPO5, CKAP4, PPR18, HEAT3, SRRM2, HAT1, MAP1S, TLK1, CND2, THOP1, SEP11, TBL3, SEP10, UBA6, SYEP, GNL3, PDLI5, HMCS1, PKHO2, NEK9, ANLN, MATR3, CBR3, MEPCE, ERF3A, SPART, TDIF2, MCMBP, UBP15, MAVS, Q8VCQ8, PSMD2, FLNC, CPIN1, ACLY, MK67I, RINI, PUS7, CSDE1, DUS3L, KCC1A, TTC1, TADBP, RIN1, NONO, RRAGC, SERB, UBQL4, OGFR, NPM3, GLOD4, MTAP, CYB5B, PSMD9, CHSP1, OCAD1, RANB3, MFR1L, TBC15, CYBP, ZCHC8, GARS, CD37L, UB2V1, HNRPM, Q9D4G5, NOP56, IPYR, CNN3, KAP0, PLIN3, AKAP8, XRN2, MYPT1, PUR6, WDR4, SENP3, LIMA1, ANM1, NUP50, DDX20, IQGA1, MBNL1, ELOV1, DCLK1, BAG3, PPCE, CAF1A, LIMD1, DREB, TOM40, DEST, FOXO1, NFKB2, PDC6I, COR1C, TAGL2, CARM1, MTNB, GBP2, P5CS, EIF3G, SAE2, USO1, HNRPF, KEAP1
Species: Mus musculus
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