000049189 001__ 49189 000049189 005__ 20200423204256.0 000049189 0247_ $$2pmid$$apmid:16319059 000049189 0247_ $$2DOI$$a10.1074/jbc.M511826200 000049189 0247_ $$2Handle$$a2128/2839 000049189 0247_ $$2WOS$$aWOS:000235128200070 000049189 0247_ $$2altmetric$$aaltmetric:3551132 000049189 037__ $$aPreJuSER-49189 000049189 041__ $$aeng 000049189 082__ $$a570 000049189 1001_ $$0P:(DE-HGF)0$$aSewell, R.$$b0 000049189 245__ $$aThe ST6GalNAc-l sialyltransferase localises throughout the Golgi and is responsible for the synthesis of the tumour associated sialyl Tn O-glycan in human breast cancer 000049189 260__ $$aBethesda, Md.$$bSoc.$$c2006 000049189 300__ $$a3586 - 3594 000049189 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article 000049189 3367_ $$2DataCite$$aOutput Types/Journal article 000049189 3367_ $$00$$2EndNote$$aJournal Article 000049189 3367_ $$2BibTeX$$aARTICLE 000049189 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000049189 3367_ $$2DRIVER$$aarticle 000049189 440_0 $$03091$$aJournal of Biological Chemistry$$v281$$x0021-9258$$y6 000049189 500__ $$aRecord converted from VDB: 12.11.2012 000049189 520__ $$aThe functional properties of glycoproteins are strongly influenced by their profile of glycosylation, and changes in this profile are seen in malignancy. In mucin-type O-linked glycosylation these changes can result in the production of mucins such as MUC1, carrying shorter sialylated O-glycans, and with different site occupancy. Of the tumor-associated sialylated O-glycans, the disaccharide, sialyl-Tn (sialic acid alpha2,6GalNAc), is expressed by 30% of breast carcinomas and is the most tumor-specific. The ST6GalNAc-I glycosyltransferase, which can catalyze the transfer of sialic acid to GalNAc, shows a highly restricted pattern of expression in normal adult tissues, being largely limited to the gastrointestinal tract and absent in mammary gland. In breast carcinomas, however, a complete correlation between the expression of RNA-encoding ST6GalNAc-I and the expression of sialyl-Tn is evident, demonstrating that the expression of sialyl-Tn results from switching on expression of hST6GalNAc-I. Endogenous or exogenous expression of hST6GalNAc-I (but not ST6GalNAc-II) always results in the expression of sialyl-Tn. This ability to override core 1/core 2 pathways of O- linked glycosylation is explained by the localization of ST6GalNAc-I, which is found throughout the Golgi stacks. The development of a Chinese hamster ovary (CHO) cell line expressing MUC1 and ST6GalNAc-I allowed the large scale production of MUC1 carrying 83% sialyl-Tn O-glycans. The presence of ST6GalNAc-I in the CHO cells reduced the number of O-glycosylation sites occupied in MUC1, from an average of 4.3 to 3.8 per tandem repeat. The availability of large quantities of this MUC1 glycoform will allow the evaluation of its efficacy as an immunogen for immunotherapy of MUC1/STn-expressing tumors. 000049189 536__ $$0G:(DE-Juel1)FUEK410$$2G:(DE-HGF)$$aBiotechnologie$$cPBT$$x0 000049189 588__ $$aDataset connected to Pubmed 000049189 650_2 $$2MeSH$$aAnimals 000049189 650_2 $$2MeSH$$aAntigens, Neoplasm: chemistry 000049189 650_2 $$2MeSH$$aAntigens, Tumor-Associated, Carbohydrate: chemistry 000049189 650_2 $$2MeSH$$aBlotting, Northern 000049189 650_2 $$2MeSH$$aBlotting, Western 000049189 650_2 $$2MeSH$$aBreast Neoplasms: enzymology 000049189 650_2 $$2MeSH$$aBreast Neoplasms: pathology 000049189 650_2 $$2MeSH$$aCHO Cells 000049189 650_2 $$2MeSH$$aCell Line, Tumor 000049189 650_2 $$2MeSH$$aChromatography, Liquid 000049189 650_2 $$2MeSH$$aCloning, Molecular 000049189 650_2 $$2MeSH$$aCricetinae 000049189 650_2 $$2MeSH$$aFemale 000049189 650_2 $$2MeSH$$aFlow Cytometry 000049189 650_2 $$2MeSH$$aGlycosylation 000049189 650_2 $$2MeSH$$aGolgi Apparatus: enzymology 000049189 650_2 $$2MeSH$$aGolgi Apparatus: metabolism 000049189 650_2 $$2MeSH$$aHumans 000049189 650_2 $$2MeSH$$aImmunotherapy: methods 000049189 650_2 $$2MeSH$$aK562 Cells 000049189 650_2 $$2MeSH$$aMammary Glands, Human: metabolism 000049189 650_2 $$2MeSH$$aMicroscopy, Fluorescence 000049189 650_2 $$2MeSH$$aMicroscopy, Immunoelectron 000049189 650_2 $$2MeSH$$aModels, Chemical 000049189 650_2 $$2MeSH$$aPolysaccharides: chemistry 000049189 650_2 $$2MeSH$$aPolysaccharides: metabolism 000049189 650_2 $$2MeSH$$aRecombinant Fusion Proteins: chemistry 000049189 650_2 $$2MeSH$$aReverse Transcriptase Polymerase Chain Reaction 000049189 650_2 $$2MeSH$$aSialyltransferases: chemistry 000049189 650_2 $$2MeSH$$aSialyltransferases: metabolism 000049189 650_2 $$2MeSH$$aSpectrometry, Mass, Electrospray Ionization 000049189 650_2 $$2MeSH$$aTransfection 000049189 650_7 $$00$$2NLM Chemicals$$aAntigens, Neoplasm 000049189 650_7 $$00$$2NLM Chemicals$$aAntigens, Tumor-Associated, Carbohydrate 000049189 650_7 $$00$$2NLM Chemicals$$aPolysaccharides 000049189 650_7 $$00$$2NLM Chemicals$$aRecombinant Fusion Proteins 000049189 650_7 $$00$$2NLM Chemicals$$asialosyl-Tn antigen 000049189 650_7 $$0EC 2.4.99.-$$2NLM Chemicals$$aSialyltransferases 000049189 650_7 $$0EC 2.4.99.3$$2NLM Chemicals$$aCMP-N-acetylneuraminate-alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 000049189 7001_ $$0P:(DE-HGF)0$$aBäckstrom, M.$$b1 000049189 7001_ $$0P:(DE-HGF)0$$aDalziel, M.$$b2 000049189 7001_ $$0P:(DE-HGF)0$$aGschmeissner, S.$$b3 000049189 7001_ $$0P:(DE-HGF)0$$aKarlsson, H.$$b4 000049189 7001_ $$0P:(DE-Juel1)VDB1170$$aNoll, T.$$b5$$uFZJ 000049189 7001_ $$0P:(DE-Juel1)VDB7932$$aGätgens, J.$$b6$$uFZJ 000049189 7001_ $$0P:(DE-HGF)0$$aClausen, H.$$b7 000049189 7001_ $$0P:(DE-HGF)0$$aHansson, G.$$b8 000049189 7001_ $$0P:(DE-HGF)0$$aBurchell, J.$$b9 000049189 7001_ $$0P:(DE-HGF)0$$aTaylor-Papadimitriou, J.$$b10 000049189 773__ $$0PERI:(DE-600)1474604-9$$a10.1074/jbc.M511826200$$gVol. 281, p. 3586 - 3594$$p3586 - 3594$$q281<3586 - 3594$$tThe @journal of biological chemistry$$v281$$x0021-9258$$y2006 000049189 8567_ $$uhttp://hdl.handle.net/2128/2839$$uhttp://dx.doi.org/10.1074/jbc.M511826200 000049189 8564_ $$uhttps://juser.fz-juelich.de/record/49189/files/77061.pdf$$yOpenAccess 000049189 8564_ $$uhttps://juser.fz-juelich.de/record/49189/files/77061.jpg?subformat=icon-1440$$xicon-1440$$yOpenAccess 000049189 8564_ $$uhttps://juser.fz-juelich.de/record/49189/files/77061.jpg?subformat=icon-180$$xicon-180$$yOpenAccess 000049189 8564_ $$uhttps://juser.fz-juelich.de/record/49189/files/77061.jpg?subformat=icon-640$$xicon-640$$yOpenAccess 000049189 909CO $$ooai:juser.fz-juelich.de:49189$$pdnbdelivery$$pVDB$$pdriver$$popen_access$$popenaire 000049189 9131_ $$0G:(DE-Juel1)FUEK410$$baußerhalb PoF$$kPBT$$lohne FE$$vBiotechnologie$$x0 000049189 9141_ $$y2006 000049189 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed 000049189 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess 000049189 9201_ $$0I:(DE-Juel1)VDB56$$gIBT$$kIBT-2$$lBiotechnologie 2$$x0$$zab 31.10.10 weitergeführt IBG-1 000049189 970__ $$aVDB:(DE-Juel1)77061 000049189 980__ $$aVDB 000049189 980__ $$aJUWEL 000049189 980__ $$aConvertedRecord 000049189 980__ $$ajournal 000049189 980__ $$aI:(DE-Juel1)IBG-1-20101118 000049189 980__ $$aUNRESTRICTED 000049189 980__ $$aFullTexts 000049189 9801_ $$aFullTexts 000049189 981__ $$aI:(DE-Juel1)IBG-1-20101118