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  • 1
    Online Resource
    Online Resource
    La Vergne :Royal Society of Chemistry, The,
    Keywords: Carbohydrates-Biotechnology. ; Electronic books.
    Description / Table of Contents: Synthetic Glycomes aims to provide a comprehensive review of the current state of the synthetic glycome, synthetic strategies toward generating glycans with comprehensive structures, as well as the glycoarrays to unveil the glycan functions.
    Type of Medium: Online Resource
    Pages: 1 online resource (487 pages)
    Edition: 1st ed.
    ISBN: 9781788017770
    Series Statement: Issn Series
    DDC: 572.56
    Language: English
    Note: Cover -- Synthetic Glycomes -- Preface -- Contents -- Chapter 1 - Introduction: Glycome and theGlyco-toolbox -- 1.1 Introduction -- 1.2 Diversity of Glycans -- 1.3 Limited Glycan Backbone Structures -- 1.4 Access -- 1.5 Application -- 1.6 Conclusion -- References -- Chapter 2 - Methodologies in Chemical Syntheses of Carbohydrates -- 2.1 Introduction -- 2.2 Before Glycosylation -- 2.2.1 Protecting Groups -- 2.2.2 De Novo Syntheses of Carbohydrates -- 2.3 Amidst Glycosylation -- 2.3.1 Reactivity -- 2.3.2 Stereochemistry -- 2.4 Applications Beyond Glycosylation -- 2.4.1 Oligosaccharides and Polysaccharides -- 2.4.2 Glycoconjugates -- 2.4.3 Natural Products -- 2.5 Conclusion -- References -- Chapter 3 - Synthetically Useful Glycosyltransferases for the Access of Mammalian Glycomes -- 3.1 Introduction -- 3.2 Glycosyltransferases (GTs) and Their Usage in Mammalian Glycan Preparation -- 3.2.1 Leloir GTs and Non-LeloirGTs -- 3.2.2 Mammalian GTs and Bacterial GTs -- 3.2.3 Wild-typeGTs and Engineered GTs -- 3.3 Synthetically Useful Glycosyltransferases -- 3.3.1 N-Acetylglucosaminyltransferases(GlcNAcTs) -- 3.3.2 Galactosyltransferases (GalTs) -- 3.3.3 Fucosyltransferases (FucTs) -- 3.3.4 Sialyltransferases (SiaTs) -- 3.3.5 N-Acetylgalactosaminyltransferases(GalNAcTs) -- 3.3.6 Glucuronosyltransferases (GlcATs) -- 3.3.7 Mannosyltransferases (ManTs) -- 3.4 Strategies in GT-catalyzed Glycan Syntheses -- 3.4.1 Direct GT-catalyzedReactions -- 3.4.2 GT-catalyzed Reaction with Sugar Nucleotide In Situ Regeneration -- 3.4.3 One-pot Multienzyme (OPME) Syntheses and Enzymatic Modular Assembly (EMA) -- 3.4.4 Whole-cellCatalysis -- 3.4.5 Living Cell Factory -- 3.5 Prospective -- References -- Chapter 4 - Chemical Synthesis of N-Glycans -- 4.1 Introduction -- 4.2 Chemical Synthesis of N-Glycans -- 4.2.1 Chemical Synthesis of Core Trisaccharide in N-Glycans. , 4.2.2 Chemical Synthesis of High-mannose Type N-Glycans -- 4.2.3 Chemical Synthesis of Hybrid Type N-Glycans -- 4.2.4 Chemical Synthesis of Complex Type N-Glycans -- 4.2.4.1 Synthesis of Symmetric Biantennary Complex Type N-Glycans -- 4.2.4.2 Synthesis of Symmetric Triantennary Complex Type N-Glycans -- 4.2.4.2.1 Synthesis of Symmetric 2,2,6-Armed Triantennary Complex Type N-Glycans -- 4.2.4.2.2 Synthesis of Symmetric 2,4,2-ArmedTriantennary Complex Type N-Glycans. -- 4.2.4.3 Synthesis of Symmetric Tetraantennary Complex Type N-Glycans -- 4.2.5 Synthesis of Neu5Ac-containing Complex Type N-Glycans -- 4.2.6 Synthesis of Asymmetric Complex Type N-Glycans -- 4.2.7 Synthesis of Bisecting Type N-Glycans -- 4.2.8 Synthesis of Core-fucosylated N-Glycans -- 4.3 Discussion -- 4.4 Summary -- References -- Chapter 5 - Chemoenzymatic Synthesis of N-Glycans -- 5.1 Introduction -- 5.2 Enzymes Employed in the Preparation of N-Glycans -- 5.2.1 Sialyltransferases -- 5.2.2 Galactosyltransferases -- 5.2.3 Fucosyltransferases -- 5.2.4 N-Acetylhexosaminyltransferases -- 5.2.5 Glycosidases -- 5.2.6 Glycosynthases -- 5.3 Enzymatic Preparation of N-Glycans -- 5.4 Chemoenzymatic Preparation of N-GlycanLibraries -- 5.4.1 A General Strategy for Chemoenzymatic Synthesis of Asymmetric Complex Type N-Glycans -- 5.4.2 Core Synthesis/Enzymatic Extension (CSEE) Strategy forthe Synthesis of Hybrid and Complex Type N-Glycans -- 5.4.3 Enzymatic Synthesis of Complex Type N-Glycansfrom One Chemically Prepared Precursor -- 5.5 Modular Synthesis of All Types of N-Glycans -- 5.6 Summary -- References -- Chapter 6 - Chemoenzymatic Synthesis of α-Dystroglycan O-Mannose Glycans -- 6.1 Introduction -- 6.2 Biosynthetic Pathway and Functional Roles of O-Mannose Glycans -- 6.2.1 Biosynthesis Pathway of O-MannosylGlycans -- 6.2.2 Dystroglycanopathies and Implicated Genes. , 6.2.3 Roles of O-Mannosylationin Tumor Metastasis -- 6.2.4 Function of Core M1 and M2 Structures -- 6.2.5 O-MannosylatedSubstrates Beyond α-DG -- 6.3 Synthesis of O-MannoseGlycans -- 6.3.1 Chemical or Chemoenzymatic Synthesis of Core M1 Structures -- 6.3.2 Chemical or Chemoenzymatic Synthesis of Core M2 O-Mannose Glycans -- 6.3.3 Chemical Synthesis of Phosphorylated Core M3 Trisaccharide -- 6.4 Conclusion -- Abbreviations -- Acknowledgement -- References -- Chapter 7 - Chemical Synthesis of Glycopeptides and Glycoproteins -- 7.1 Introduction -- 7.2 Synthesis of Glycopeptide -- 7.2.1 Synthesis of Polypeptide Chain -- 7.2.2 Synthesis of PSGL-1 -- 7.2.3 Synthesis of CD52 -- 7.3 Ligation Method -- 7.3.1 Basic Strategies -- 7.3.2 Glycopeptide Thioester Synthesis -- 7.4 Synthesis of O-linkedGlycoproteins -- 7.4.1 Synthesis of Antifreeze Glycoprotein -- 7.4.2 Synthesis of MUC2 Model -- 7.4.3 Synthesis of Interleukin-2 -- 7.5 Synthesis of N-linkedGlycoprotein -- 7.5.1 Strategies for N-linked Glycoprotein Synthesis -- 7.5.2 Synthesis of Human Interferon-β -- 7.5.3 Synthesis of TIM-3 -- 7.5.4 Synthesis of Ig Domain of Emmprin -- 7.6 Conclusion -- References -- Chapter 8 - Synthesis of Chondroitin Sulfate Oligosaccharides and Chondroitin Sulfate Glycopeptides -- 8.1 Introduction to Chondroitin Sulfate (CS) and Chondroitin Sulfate Proteoglycan (CSPG) -- 8.2 Chemical Synthesis of CS -- 8.2.1 General Synthetic Design for Chemical Synthesis of CS -- 8.2.2 Strategies Addressing N-protective Groups -- 8.2.2.1 Azide Protective Group -- 8.2.2.2 N-AcetamideGroup -- 8.2.2.3 N-Trichloroacetamide Group -- 8.2.2.4 N-Trifluoroacetamide -- 8.2.2.5 N-Tetrachlorophthalimide Group -- 8.2.2.6 Lactose Derived CS Mimetics -- 8.2.3 Semi-synthesisof CS, Expediting Building Block Preparation Using Natural Sources -- 8.2.4 Solid Phase Synthesis of CS Oligosaccharides. , 8.2.5 Chemical Synthesis of a CS Disaccharide Library and Biotinylated CS -- 8.2.6 Chemical Synthesis of Heterologous Sulfated CS Oligosaccharides -- 8.2.7 Chemical Synthesis of CS Oligosaccharides with Linkage Region -- 8.3 Chemoenzymatic Synthesis of CS Oligosaccharides -- 8.4 Chemical Synthesis of CS Glycopolymers and Glycoconjugates -- 8.5 Synthesis of CS Glycopeptide -- 8.6 Conclusions -- Abbreviations -- Acknowledgement -- References -- Chapter 9 - Chemoenzymatic Synthesis of Heparan Sulfate and Heparin -- 9.1 Introduction -- 9.1.1 Heparan Sulfate -- 9.1.2 Heparin -- 9.1.3 Chemoenzymatic Synthesis of HS and Heparin -- 9.2 Key Techniques of Synthesis -- 9.2.1 Design of Sugar Nucleotides for the Chemoenzymatic Synthesis of HS -- 9.2.2 Sequences of Enzymatic Modifications for the Synthesis of Different Oligosaccharides -- 9.3.1 Synthesis of HS Oligosaccharide Library and a New Antithrombin-binding Octasaccharide -- 9.3.2 HS Microarray to Target HS and Protein Interaction -- 9.3.3 Design of Heparin Drugs -- 9.3.4 Scale-up Synthesis of HS 12-mer -- 9.4 Conclusion -- References -- Chapter 10 - Synthesis of Glycosphingolipids (GSLs) -- 10.1 Introduction -- 10.2 Chemical Strategies for Synthesizing Glycosphingolipids -- 10.2.1 Synthesis Using Glycosyl Trichloroacetimidate Donors -- 10.2.2 Synthesis with Glycosyl N-Phenyl Trifluoroacetimidates -- 10.2.3 Synthesis Using Glycosyl Fluoride Donors -- 10.2.4 Synthesis Using Koenigs-Knorr Glycosylation Reactions -- 10.2.5 Synthesis Using Thioglycoside Glycosyl Donors -- 10.2.6 Synthesis Using α-GlycosylIodide Donors -- 10.2.7 Synthesis Using Glycosyl Mesylate Donors -- 10.2.8 Synthesis Using Glycal Donors -- 10.2.9 Synthesis of α-Galactosylceramide Analogs from Naturally Configured α-Galactosides -- 10.3 Chemoenzymatic Synthesis of GSLs -- 10.3.1 Endoglycoceramidase-derived Glycosynthase-catalyzed Synthesis. , 10.3.2 Enzymatic Synthesis of Gb3 and iGb3 Using Lactosyl Ceramide as Acceptor Substrate -- 10.3.3 Enzymatic Assembly of Oligosaccharides Followed by Chemical Glycosylation -- 10.3.4 Enzymatic Sialylation of Glycolipids -- 10.3.5 One-pot Multienzyme (OPME) Chemoenzymatic Strategies -- 10.4 Conclusion -- Acknowledgement -- References -- Chapter 11 - Enzymatic and Chemoenzymatic Synthesis of Human Milk Oligosaccharides (HMOS) -- 11.1 Introduction -- 11.2 Bacterial and Mammalian Glycosyltransferases (GTs) that Have Been Used for the Synthesis of HMOS -- 11.3 Synthesis of HMOS via One-pot Multienzyme(OPME) Approaches -- 11.3.1 One-potMultienzyme (OPME) Glycosylation Systems -- 11.3.2 OPME Synthesis of Core Glycans LNTri II (Lc3) and LNnT -- 11.3.3 OPME Enzymatic Synthesis of Fucose-containing HMOS -- 11.3.3.1 OPME Synthesis of LNFP I -- 11.3.3.2 OPME Synthesis of LNFP III -- 11.3.3.3 OPME Synthesis of 3- FL, LNFP III, LNDFH II, and LNDFH III -- 11.3.4 OPME Synthesis of Sialylated HMOS -- 11.3.4.1 OPME Synthesis of 3′-SLand 6′-SL -- 11.3.4.2 OPME Synthesis of LST a, LST d, Sialylated LNFP III -- 11.3.4.3 OPME Synthesis of LSTc -- 11.3.4.4 OPME Synthesis of Disialylated HMOS -- 11.4 Glycosyltransferase-catalyzed Enzymatic Synthesis of HMOS -- 11.5 Enzymatic Synthesis of HMOS Using Transglycosidases, Glycosidases and Mutants -- 11.6 Chemoenzymatic Synthesis of HMOS -- 11.7 Whole-cell Production and Fermentation of Engineered E. coli Cells -- 11.8 Conclusion -- Acknowledgement -- References -- Chapter 12 - Synthesis of Marine Polysaccharides/Oligosaccharides and Their Derivatives -- 12.1 Introduction -- 12.2 Synthesis of Marine Polysaccharides -- 12.2.1 Biosynthesis of Marine Polysaccharides -- 12.2.2 Semi-synthesisof Marine-derived Polysaccharides -- 12.2.3 Synthesis of Glycopolymers and Glycoclusters to Mimic Natural Marine Polysaccharides. , 12.2.4 Synthesis and Modification of Marine Polysaccharide Derivatives.
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  • 2
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 89 (2001), S. 942-950 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A refined model of a glass laser texturing process used on computer disk substrates is presented. Field equations for fictive temperature and elasto-viscoplastic strain in the glass are numerically integrated over the thermal cycle created with a microsecond CO2 laser pulse. Calculating the fictive temperature change as part of the solution provides for a consistent treatment of glass properties that depend on fictive temperature. The short time scale of the thermal cycle causes the final altered state of fictive temperature in the heat affected zone to be relatively constant over the depth of change, and higher than the initial value by more than 300 K. Plastic strain resulting from thermomechanical stresses and the fictive temperature rise are considered in this description. The model illustrates the rise in the compressive stress caused by initial heating, the relaxation process that occurs in the molten region above the transition temperature, and the subsequent introduction of tensile stress during cooling. At the end of the thermal cycle, the region of glass with altered fictive temperature is left in a state of high tensile stress. The time evolution of surface topography is studied with the model, and shows good agreement with measured dimensions of the final bump geometry over a range of laser pulse energies. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1440-1797
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: SUMMARY In the present study, we investigated pauci-immune crescentic glomerulonephritis (PICGN) in Chinese patients. During 13 years (1985–98), 6400 patients underwent non-transplanting renal biopsy in the Nanjing Jinling Hospital. Twenty-four patients were diagnosed as having PICGN. They were 16 women and eight men with a median age of 33 (range 10–76 years). Microscopic polyarteritis (33.3%) and polyarteritis nodosa (8.3%) were the secondary diseases. The incidence of PICGN was 0.37% in renal biopsies and 22.9% in crescentic glomerulonephritis. Clinically, most patients (75.0%) showed rapidly progressive nephritis with enlarged kidneys. Onset gross haematuria was noted in 58.3% of the patients, hypertension 45.8%, nephrotic syndrome 41.7%, and oliguria 25.0%. However, systemic symptoms were rare except anaemia. Pathologically, we observed necrosis of glomerular capillaries (62.5%), infiltration of monocytes and neutrophil cells in glomeruli (66.7%), and vasculitis in interstitium (53.3%), in addition to glomerulosclerosis more than 50% (45.8%), severe tubular atrophy (83.3%) and interstitial fibrosis (75.0%). Antineutrophil cytoplasmic antibodies were positive in 52.2%. All patients except two received intensively immunosuppressive therapy. Sixteen patients were subjected to long-term follow up (median 29.8, range 8–92 months), 12 of them had life-sustaining renal function, four had normal range of serum creatinine (〈 124 μmol/L), only four patients were dialysis dependent.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Nephrology 2 (1996), S. 0 
    ISSN: 1440-1797
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary: Rhubarb (Rheum Officinale), a chinese herb that had been used as a laxative for many years during ancient times is now found to be of value in preventing progression of chronic renal disease. In animal experimentation it suppresses the hypermetabolic states of the severely damaged kidney and retards the progression of chronic renal failure. Controlled clinical trials also have proved that the extract of Rhubarb is effective in preventing the progression of chronic renal disease and the therapeutic results seemed to be better than that with an angioconvertirig-enzyme (ACE) inhibitor.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Nephrology 3 (1997), S. 0 
    ISSN: 1440-1797
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary: IgA nephropathy (IgAN) is polyphormic in its clinical manifestation, course and prognosis. Patients with isolated IgA deposit in glomeruli tend to have a high incidence of macroscopic haematuria and carry a better prognosis. In contrast, patients with deposits of IgA and IgG and IgM have a higher incidence of nephrotic syndrome and hypertension. In parallel, patients with IgA and IgG and IgM tend to have more glomerulosclerosis and tubulointestitial lesions. Recently, the angiotensin converting enzyme (ACE) gene polymorphism and its association in disease risk provided interesting exploration leading us to speculate about a possible mechanism to explain the variation in the rate of progression of IgAN; although, the results are still controversial. The variability of plasma ACE concentration has been shown to be associated with an insertion/deletion polymorphism. The frequencies of ACE genotype in 177 Chinese patients with IgAN has been observed. We found that patients with IgAN showed a higher frequency of DD genotype than normal population. In contrast to the previous reports, we did not find any association between ACE genotype and the rate of progression of IgAN. As different genotypes of IL-1 receptor antagonist (IL-1 ra) are also responsible for the circulating levels of IL-1 ra, the polymorphism of IL-1 ra gene has been analyzed in 100 IgAN patients. There was no significant difference in the frequency of IL1RN*2 allele between normal subjects and IgAN. However, patients with recurrent macroscopic haematuria showed a higher carriage rate of IL1RN*2. Hereditable factors, in combination with a number of recognized environmental risk factors, are important determinants of the pathogenesis and natural history of IgAN. The notion that the gene polymorphism might be responsible for the clinical features and progression of IgAN is both intriguing and provocative. The lessons from previous multiple small size studies have produced conflicting results illustrating the need for observation of large numbers of cases in further studies to verify these observed associations.
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  • 6
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Inc
    Wound repair and regeneration 9 (2001), S. 0 
    ISSN: 1524-475X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Wound healing is a physiological process in which growth of cells is stringently regulated. Cell growth is controlled by cell cycle-related proteins in which the cyclin kinase inhibitors cause cell cycle arrest and inhibit proliferation. However, little is known about the expression and the role of cyclin kinase inhibitors during wound healing in vivo. This study was mainly designed to examine the expression of p21cip1 and p27kip1 in excisional wounds of full-thickness skin in rats. Concomitant expression of proliferation marker Ki67 was also examined. Proliferation predominantly occurred in the first week after injury, peaking at postwounding day 5. Expression of both p21cip1 and p27kip1 at the gene and protein levels did occur during wound healing and showed an inverse gradient to that of Ki67. Constitutive p27kip1 was expressed throughout wound healing with low levels during the proliferating period of days 3 and 5 and increased levels during post-mitotic and remodeling stages. In contrast, p21cip1 was expressed transiently with detectable levels only between days 7 and 14 by Western blot analysis. Immunohistochemically, epithelial cells, endothelial cells and fibroblasts all could express both p21cip1 and p27kip1. In conclusion, the overall results suggested that p21cip1 and p27kip1 may play a key role in supervising the growth resulting from cell proliferation in tissue repair.
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  • 8
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] The widespread distribution of the tumor suppressor PTEN (phosphatase and tensin homolog deleted on chromosome 10) in the adult brain suggests its role in a broad range of brain functions. Here we show evidence supporting a physical interaction of PTEN with a region in the third intracellular loop ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature genetics 5 (1993), S. 413-417 
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Xeroderma pigmentosum (XP) is a rare autosomal recessive disease of humans characterized by an accelerated chronic degeneration of sun–exposed areas of the body, including an elevated risk of developing cancers of the skin. We recently reported the isolation of a gene XPCC that complements ...
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  • 10
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Sequencing and computational annotation revealed several features, including high gene numbers, unusual composition of the predicted genes and a large number of genes lacking homology to known genes, that distinguish the rice (Oryza sativa) genome from that of other fully sequenced model species. ...
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