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fucosyltransferase

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https://www.readbyqxmd.com/read/28229927/alteration-of-n-glycan-expression-profile-and-glycan-pattern-of-glycoproteins-in-human-hepatoma-cells-after-hcv-infection
#1
Tian Xiang, Ganglong Yang, Xiaoyu Liu, Yidan Zhou, Zhongxiao Fu, Fangfang Lu, Jianguo Gu, Naoyuki Taniguchi, Zengqi Tan, Xi Chen, Yan Xie, Feng Guan, Xiao-Lian Zhang
BACKGROUND: Hepatitis C virus (HCV) infection causes chronic liver diseases, liver fibrosis and even hepatocellular carcinoma (HCC). However little is known about any information of N-glycan pattern in human liver cell after HCV infection. METHODS: The altered profile of N-glycans in HCV-infected Huh7.5.1 cell were analyzed by using mass spectrometry. Then, lectin microarray, lectin pull-down assay, reverse transcription-quantitative real time PCR (RT-qPCR) and western-blotting were used to identify the altered N-glycosylated proteins and glycosyltransferases...
February 13, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28224772/effects-of-neutralization-by-soluble-abh-antigens-produced-by-transplanted-kidneys-from-abo-incompatible-secretor-donors
#2
Jieun Kim, Sinyoung Kim, In Sik Hwang, Jong Rak Choi, Jae Geun Lee, Yu Seun Kim, Myoung Soo Kim, Hyun Ok Kim
BACKGROUND: Grafts survive despite blood group antigens on the transplant being continuously exposed to antibodies in the blood of recipients in ABO-incompatible kidney transplantation (ABOi KT), owing to the mechanism of accommodation. We analyzed the immunodynamics of soluble ABH antigens in allografts from secretor donors and the influence of such immunodynamics on accommodation and subsequent graft survival in ABOi KT. METHODS: The genotype of a known human β-galactoside α-1,2-fucosyltransferase gene (FUT2), which determines soluble ABH antigen secretor status, was established in 32 donors for ABOi KT at the Severance Hospital, from June 2010 to July 2015...
May 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28223462/fallacy-of-the-unique-genome-sequence-diversity-within-single-helicobacter-pylori-strains
#3
Jenny L Draper, Lori M Hansen, David L Bernick, Samar Abedrabbo, Jason G Underwood, Nguyet Kong, Bihua C Huang, Allison M Weis, Bart C Weimer, Arnoud H M van Vliet, Nader Pourmand, Jay V Solnick, Kevin Karplus, Karen M Ottemann
Many bacterial genomes are highly variable but nonetheless are typically published as a single assembled genome. Experiments tracking bacterial genome evolution have not looked at the variation present at a given point in time. Here, we analyzed the mouse-passaged Helicobacter pylori strain SS1 and its parent PMSS1 to assess intra- and intergenomic variability. Using high sequence coverage depth and experimental validation, we detected extensive genome plasticity within these H. pylori isolates, including movement of the transposable element IS607, large and small inversions, multiple single nucleotide polymorphisms, and variation in cagA copy number...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28182762/longitudinal-change-of-selected-human-milk-oligosaccharides-and-association-to-infants-growth-an-observatory-single-center-longitudinal-cohort-study
#4
Norbert Sprenger, Le Ye Lee, Carlos Antonio De Castro, Philippe Steenhout, Sagar K Thakkar
BACKGROUND: Human milk is the recommended and sole nutrient source for newborns. One of the largest components of human milk is oligosaccharides (HMOs) with major constituents determined by the mother genotype for the fucosyltransferase 2 (FUT2, secretor) gene. HMO variation has been related with infant microbiota establishment, diarrhea incidence, morbidity and mortality, IgE associated eczema and body composition. OBJECTIVES: We investigated the (i) dependence of several major representative HMOs on the FUT2 status assessed through breast milk 2'Fucosyllactose (2'FL) and (ii) the relation of the 2'FL status with infant growth up to 4 months of life...
2017: PloS One
https://www.readbyqxmd.com/read/28172904/p763-fucosyltransferase-2-non-secretor-status-in-crohn-s-disease-a-prospective-observational-analysis
#5
R Battat, U Kopylov, W Afif, T Bessissow, J Byer, S Dionne, E Zelikovic, E Seidman, A Bitton
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28167958/association-of-fucosyltransferase-2-gene-polymorphisms-with-inflammatory-bowel-disease-in-patients-from-southeast-china
#6
Hao Wu, Liang Sun, Dao-Po Lin, Xiao-Xiao Shao, Sheng-Long Xia, Ming Lv
Aims. Fucosyltransferase 2 (FUT2) gene potentially affects the constituent of intestinal microbiota, which play a crucial role in the pathogenesis of inflammatory bowel disease (IBD). This study investigated the association of FUT2 gene polymorphisms with IBD in southeast China. Methods. We collected 671 IBD patients and 502 healthy controls. FUT2 gene polymorphisms (C357T, A385T, and G428A) were determined by SNaPshot. Frequencies of the FUT2 genotypes, alleles, and haplotype between groups were compared by χ(2) test...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28160363/establishment-of-a-tobacco-by2-cell-line-devoid-of-plant-specific-xylose-and-fucose-as-a-platform-for-the-production-of-biotherapeutic-proteins
#7
Uri Hanania, Tami Ariel, Yoram Tekoah, Liat Fux, Maor Sheva, Yehuda Gubbay, Mara Weiss, Dina Oz, Yaniv Azulay, Albina Turbovski, Yehava Forster, Yoseph Shaaltiel
Plant produced glycoproteins contain N-linked glycans with plant-specific residues of β(1,2)-xylose and core α(1,3)-fucose, which do not exist in mammalian derived proteins. Although our experience with two enzymes that are used for enzyme replacement therapy (ERT) does not indicate that the plant sugar residues have deleterious effects, we made a conscious decision to eliminate these moieties from plant-expressed proteins. We knocked out the β(1,2)-xylosyltranferase (XylT) and the α(1,3)-fucosyltransferase (FucT) genes, using CRISPR/Cas9 genome editing, in Nicotiana...
February 3, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28103512/protein-o-fucosyltransferase-1-promotes-trophoblast-cell-proliferation-through-activation-of-mapk-and-pi3k-akt-signaling-pathways
#8
Chang Liu, Xiaohua Liang, Jiao Wang, Qin Zheng, Yue Zhao, Muhammad Noman Khan, Shuai Liu, Qiu Yan
Protein O-fucosylation is an important glycosylation modification and plays an important role in embryonic development. Protein O-fucosyltransferase 1 (poFUT1) is an essential enzyme that catalyzes the synthesis of protein O-fucosylation. Our previous studies showed that poFUT1 promoted trophoblast cell migration and invasion at the fetal-maternal interface, but the role of poFUT1 in trophoblast cells proliferation remains unclear. Here, immunohistochemistry data showed that poFUT1 and PCNA levels were decreased in abortion patient's trophoblasts compared with women with normal pregnancies...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28056490/knockout-of-the-primary-sclerosing-cholangitis-risk-gene-fut2-causes-liver-disease-in-mice
#9
Luca Maroni, Simon D Hohenester, Stan F J van de Graaf, Dagmar Tolenaars, Krijn van Lienden, Joanne Verheij, Marco Marzioni, Tom H Karlsen, Ronald P J Oude Elferink, Ulrich Beuers
: The etiopathogenesis of primary sclerosing cholangitis (PSC) is unknown. Genetic variants of fucosyltransferase 2 (FUT2) have been identified in genome-wide association studies as risk factor for PSC. We investigated the role of Fut2 in murine liver pathophysiology by studying Fut2(-/-) mice. Fut2(-/-) mice were viable and fertile, had lower body weight than wild type (wt) littermates and grey fur, as described earlier. Half of the Fut2(-/-) mice showed serum bile salt levels 40 times higher than wt (Fut2(-/-)(high) ), whereas the remainder were normocholanemic (Fut2(-/-)(low) )...
January 5, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28026021/identification-of-a-novel-fut1-allele-with-two-mutations-in-a-chinese-para-bombay-individual
#10
Lixin Wang, Chunyan Huang, Zengzhen Wei, Jinzhe Tan, Li Qin, Li Tian
BACKGROUND: The para-Bombay phenotype often results from a silenced β-D-galactoside 2-α-fucosyltransferase 1 (FUT1) gene (h/h) but an active FUT2 (Se/Se or Se/se) gene. We identified a para-Bombay phenotype with two novel mutations in the FUT1 gene and homozygous mutated FUT2 (se(357, 385) /se(357, 385) ) genes. STUDY DESIGN AND METHODS: Red blood cell phenotype was detected by using a standard serologic technique. The entire coding regions of the FUT1 and FUT2 genes were amplified and direct sequenced using genomic DNA...
January 2017: Transfusion
https://www.readbyqxmd.com/read/28013072/expression-of-%C3%AE-1-6-fucosyltransferase-fut8-in-rice-grain-and-immunogenicity-evaluation-of-plant-specific-glycans
#11
Xianghong Wang, Daiming Jiang, Jingni Shi, Daichang Yang
Rice seed is a cost-effective bioreactor for the large-scale production of pharmaceuticals. However, convincing evidence of the immunogenicity of plant-specific glycans is still limited although plant-specific glycans are considered potential allergic antigens. In the present study, we found that the α-1,3-fucose content of the glycoprotein produced from rice seed was much lower than that in leaf, and conversely, a higher β-1,2-xylose content was detected in seed than that in leaf. We detected the α-1,6-fucose content in the glutelin and recombinant human α1-antitrypsin (OsrAAT)...
January 20, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/27993676/fucosyltransferases-produce-n-glycans-containing-core-l-galactose
#12
Hiroyuki Ohashi, Takao Ohashi, Hiroyuki Kajiura, Ryo Misaki, Shinichi Kitamura, Kazuhito Fujiyama
l-Galactose (l-Gal) containing N-glycans and cell wall polysaccharides have been detected in the l-Fuc deficient mur1 mutant of Arabidopsis thaliana. The l-Gal residue is thought to be transferred from GDP-l-Gal, which is a structurally related analog of GDP-l-Fuc, but in vitrol-galactosylation activity has never been detected. In this study, we carried out preparative scale GDP-l-Gal synthesis using recombinant A. thaliana GDP-mannose-3',5'-epimerase. We also demonstrated the l-galactosylation assay of mouse α1,6-fucosyltransferase (MmFUT8) and A...
January 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27967290/ecotropic-viral-integration-site-i-regulates-alpha1-6-fucosyl-transferase-expression-and-blocks-erythropoiesis-in-chronic-myeloid-leukemia
#13
Nivedita Kuila, Kasturi Bala Nayak, Arundhati Halder, Subramaniam Agatheeswaran, Ghanashyam Biswas, Sutapa Biswas, Naresh Chandra Pattnayak, Soumen Chakraborty
Although BCR-ABL is the hallmark genetic abnormality of chronic myeloid leukemia (CML), secondary molecular events responsible for the evolution of the disease to blast crisis are yet to be deciphered. Taking into account the significant association of ecotropic viral integration site I (EVI1) in CML drug resistance, it is necessary to decipher the other roles played by EVI1 in CML disease progression. In this regard, we cross-hybridized three microarray datasets and deduced a set of 11 genes that seems to be regulated by EVI1 in CML...
December 14, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27919692/improved-production-of-2-fucosyllactose-in-engineered-escherichia-coli-by-expressing-putative-%C3%AE-1-2-fucosyltransferase-wcfb-from-bacteroides-fragilis
#14
Young-Wook Chin, Ji-Yeong Kim, Jae-Han Kim, Sang-Min Jung, Jin-Ho Seo
2'-Fucosyllactose (2-FL) is one of most abundant oligosaccharides in human milk, which is involved in many biological functions for infant health. Since 2-FL has a great potential in application to functional food materials and pharmaceuticals, several microbial systems for mass production of 2-FL have been developed in recent years. Microbial production of 2-FL was suggested to be influenced by a number of factors including fucosylation activity of α-1,2-fucosyltransferase. In the present study, the wcfB gene coding for α-1,2-fucosyltransferase from Bacteroides fragilis was screened from eleven candidates of putative α-1,2-fucosyltransferase...
December 2, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/27919572/non-fucosylated-cb-cd34-cells-represent-a-good-target-for-enforced-fucosylation-to-improve-engraftment-following-cord-blood-transplantation
#15
Simon N Robinson, Michael W Thomas, Paul J Simmons, Junjun Lu, Hong Yang, Jeannie A Javni, Elizabeth J Shpall, Patrick A Zweidler-Mckay
BACKGROUND AIMS: Despite ethnic diversity and ready availability of cryopreserved, human leukocyte antigen-typed cord blood (CB), delayed engraftment remains a significant hurdle to successful CB transplantation. Suboptimal homing of CB hematopoietic stem and progenitor cells (HSPCs) to the hematopoietic microenvironment (HM) is thought to be responsible and due to low levels of HSPC fucosylation. Fucosylation (decoration with sialyl-Lewis(X)) may improve HSPC homing to HM by increasing the strength of HSPC/E-selectin interactions, where E-selectin is constitutively expressed by HM microvasculature...
February 2017: Cytotherapy
https://www.readbyqxmd.com/read/27888602/a-glycovariant-of-human-cd44-is-characteristically-expressed-on-human-mesenchymal-stem-cells
#16
Gisela Pachón-Peña, Conor Donnelly, Catalina Ruiz-Cañada, Adam Katz, Sonia Fernández-Veledo, Joan Vendrell, Robert Sackstein
The clinical effectiveness of systemically administered human mesenchymal stem cells (hMSCs) depends on their capacity to engage vascular endothelium. hMSCs derived from bone marrow (BM-hMSCs) natively lack endothelial binding capacity, but express a CD44 glycovariant containing N-linked sialyllactosamines that can be α(1,3)-fucosylated using fucosyltransferase-VI (FTVI) to enforce sLe(X) decorations, thereby creating hematopoietic cell E-/L-selectin ligand (HCELL). HCELL expression programs potent shear-resistant adhesion of circulating cells to endothelial beds expressing E-selectin...
November 26, 2016: Stem Cells
https://www.readbyqxmd.com/read/27871849/cd44-fucosylation-on-mesenchymal-stem-cell-enhances-homing-and-macrophage-polarization-in-ischemic-kidney-injury
#17
Kang-Ju Chou, Po-Tsang Lee, Chien-Liang Chen, Chih-Yang Hsu, Wei-Chieh Huang, Chien-Wei Huang, Hua-Chang Fang
The lack of homing ability possibly reduces the healing potential of bone-marrow-derived mesenchymal stem cells (MSCs). Therefore, transforming native CD44 on MSCs into a hematopoietic cell E-/L-selectin ligand (HCELL) that possesses potent E-selectin affinity might enhance the homing and regenerative abilities of MSCs. Through fucosyltransferase VI (FTVI) transfection, MSCs were fucosylated on N-glycans of CD44 to become HCELL positive, thus interacting with E-selectin on injured endothelial cells. HCELL expression facilitated MSC homing in kidneys within 24h after injury and reduced lung stasis...
January 1, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/27870886/comparative-genomics-revealed-multiple-helicobacter-pylori-genes-associated-with-biofilm-formation-in-vitro
#18
Eric Hong Jian Wong, Chow Goon Ng, Eng Guan Chua, Alfred Chin Yen Tay, Fanny Peters, Barry J Marshall, Bow Ho, Khean Lee Goh, Jamuna Vadivelu, Mun Fai Loke
BACKGROUND: Biofilm formation by Helicobacter pylori may be one of the factors influencing eradication outcome. However, genetic differences between good and poor biofilm forming strains have not been studied. MATERIALS AND METHODS: Biofilm yield of 32 Helicobacter pylori strains (standard strain and 31 clinical strains) were determined by crystal-violet assay and grouped into poor, moderate and good biofilm forming groups. Whole genome sequencing of these 32 clinical strains was performed on the Illumina MiSeq platform...
2016: PloS One
https://www.readbyqxmd.com/read/27858203/enhanced-fucosylation-of-ga1-in-the-digestive-tracts-of-x-ray-irradiated-mice
#19
Masao Iwamori, Kyoko Tanaka, Shigeki Adachi, Daisuke Aoki, Taisei Nomura
In mice at 4 days after X-ray-irradiation at 0.5 Gy/min for 16 min, the tissue weights of immune organs, i.e., thymus and spleen, were decreased due to injury to lymphocytes by the X-rays. The resulting immunosuppressive condition allowed the growth of lactobacilli, i.e., L. murinus, which contained LacβTH-DG and possessed the ability to induce transcription of the fucosyltransferase gene for synthesis of FGA1. LacβTH-DG was detected in the jejunal and ileal contents of X-ray-irradiated mice, but not in those of control mice, whereas LacTetH-DG of L...
November 18, 2016: Glycoconjugate Journal
https://www.readbyqxmd.com/read/27798070/circulating-blood-and-platelets-supply-glycosyltransferases-that-enable-extrinsic-extracellular-glycosylation
#20
Melissa M Lee-Sundlov, David J Ashline, Andrew J Hanneman, Renata Grozovsky, Vernon N Reinhold, Karin M Hoffmeister, Joseph Ty Lau
Glycosyltransferases, usually residing within the intracellular secretory apparatus, also circulate in the blood. Many of these blood-borne glycosyltransferases are associated with pathological states, including malignancies and inflammatory conditions. Despite the potential for dynamic modifications of glycans on distal cell surfaces and in the extracellular milieu, the glycan-modifying activities present in systemic circulation have not been systematically examined. Here, we describe an evaluation of blood-borne sialyl-, galactosyl- and fucosyltransferase activities that act upon the four common terminal glycan precursor motifs, GlcNAc monomer, Gal(β3)GlcNAc, Gal(β4)GlcNAc and Gal(β3)GalNAc, to produce more complex glycan structures...
January 2017: Glycobiology
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