Search Results - "Ramphal, John"

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  1. 1

    Total synthesis of trifluorobutyryl-modified, protected sialyl Lewis X by a convergent [2+2] approach by Akçay, Gizem, Ramphal, John Y., d’Alarcao, Marc, Kumar, Krishna

    Published in Tetrahedron letters (01-01-2015)
    “…[Display omitted] Structural and quantitative changes in the expression of sialic acid residues on the surface of eukaryotic cells profoundly influence a broad…”
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    Journal Article
  2. 2

    Total synthesis of trifluorobutyryl-modified, globally protected sialyl Lewis x by a convergent [2+2] approach by Akçay, Gizem, Ramphal, John Y, d'Alarcao, Marc, Kumar, Krishna

    Published in Tetrahedron letters (01-01-2015)
    “…Structural and quantitative changes in the expression of sialic acid residues on the surface of eukaryotic cells profoundly influence a broad range of…”
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    Journal Article
  3. 3

    Galactokinase 1 is the source of elevated galactose‐1‐phosphate and cerebrosides are modestly reduced in a mouse model of classic galactosemia by Mangini, Linley, Lawrence, Roger, Lopez, Manuel E., Graham, Timothy C., Bauer, Christopher R., Nguyen, Hang, Su, Cheng, Ramphal, John, Crawford, Brett E., Hartl, Tom A.

    Published in JIMD reports (01-07-2024)
    “…Classic galactosemia (CG) arises from loss‐of‐function mutations in the Galt gene, which codes for the enzyme galactose‐1‐phosphate uridylyltransferase (GALT),…”
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    Journal Article
  4. 4

    Structure-Based design and discovery of novel inhibitors of protein tyrosine phosphatases by Huang, Ping, Ramphal, John, Wei, James, Liang, Congxin, Jallal, Bahija, McMahon, Gerald, Tang, Cho

    Published in Bioorganic & medicinal chemistry (17-04-2003)
    “…Protein tyrosine phosphatases (PTPs) are important in the regulation of signal transduction processes. Certain enzymes of this class are considered as…”
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  5. 5

    Structure-Activity Relationships of Sialyl Lewis x-Containing Oligosaccharides. 1. Effect of Modifications of the Fucose Moiety by Ramphal, John Y, Zheng, Zhong-Li, Perez, Carl, Walker, Leslie E, DeFrees, Shawn A, Gaeta, Federico C. A

    Published in Journal of medicinal chemistry (01-10-1994)
    “…Leukocyte adhesion to the vasculature is mediated by E-, P-, and L-selectins. The natural ligands for E- and P-selectins have not been fully characterized but…”
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  6. 6

    Ligand Interactions with E-Selectin. Identification of a New Binding Site for Recognition of N-Acyl Aromatic Glucosamine Substituents of Sialyl Lewis X by Ramphal, John Y, Hiroshige, Mariann, Lou, Boliang, Gaudino, John J, Hayashi, Masaji, Chen, Shiow Meei, Chiang, Lin C, Gaeta, Federico C. A, DeFrees, Shawn A

    Published in Journal of medicinal chemistry (29-03-1996)
    “…Several N-acylglucosamine derivatives of sialyl Lewis X (1−3) were prepared using a combined chemical enzymatic approach and evaluated as an inhibitor of…”
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    Design, synthesis, and SAR of 2-dialkylamino-4-arylpyrimidines as potent and selective corticotropin-releasing factor(1) (CRF(1)) receptor antagonists by Huang, Charles Q, Grigoriadis, Dimitri E, Liu, Zhengyu, McCarthy, James R, Ramphal, John, Webb, Thomas, Whitten, Jeffrey P, Xie, Michael Y, Chen, Chen

    Published in Bioorganic & medicinal chemistry letters (03-05-2004)
    “…A series of 2-dialkylamino-4-phenylpyrimidines (7) was designed and synthesized as CRF(1) antagonists. SAR studies of this series resulted in the discovery of…”
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    Journal Article
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