This work deals with exploring some empirical scales of nucleophilicity. We have started evaluating the experimental indices of nucleophilicity proposed by Legon and Millen on the basis of the measure of the force constants derived from vibrational frequencies using a probe dipole H-X (X = F,CN). The correlation among some theoretical parameters with this experimental scale has been evaluated. ...

THE LEWIS blood group antigens Lea and Leb have been found on red blood cells (RBCs), in secretions and fluids such as saliva, alimentary tract juice, and urine, and in various tissues including renal tubular cells, collecting ducts, urothelium, and ductal or mucosal epithelium of the sweat glands, salivary glands, gastrointestinal tract, pancreas, uterus, cervix, and breast. l .s Hepatic bile ...

One hundred and five cases of various human lung neoplasms were studied immunohistochemically using monoclonal antibodies recognizing the antigens, Le(x), sialylated Le(x) (SLEX), Le(a), and sialylated Le(a) (SLEA). Of the 92 lung cancers examined for antigen expression SLEX was detected in 57% (52 cases), Le(x) in 42% (39), SLEA in 36% (33), and Le(a) in 23% (21). None of these antigens were e...

Recently, we proposed sialyl 6-sulfo Lewis X as a major carbohydrate-capping group of the L-selectin ligands on high endothelial venules in human lymph nodes. In this study we succeeded in reconstituting functional L-selectin ligands on a cultured human endothelial cell line, ECV304, by transfecting the alpha1-->3fucosyltranseferase VII (Fuc-T VII) and newly cloned GlcNAcbeta:6-sulfotransferase...

Title: HIF2α targeted RNAi therapeutic inhibits clear cell renal cell carcinoma Authors and affiliations: So C. Wong, Weijun Cheng, Holly Hamilton, Anthony L. Nicholas, Darren H. Wakefield, Aaron Almeida, Andrei V. Blokhin, Jeffrey Carlson, Zane C. Neal, Vladimir Subbotin, Guofeng Zhang, Julia Hegge, Stephanie Bertin, Vladimir S. Trubetskoy, David B. Rozema, David L. Lewis, Steven B. Kanner 1. ...

Title: HIF2α targeted RNAi therapeutic inhibits clear cell renal cell carcinoma Authors and affiliations: So C. Wong, Weijun Cheng, Holly Hamilton, Anthony L. Nicholas, Darren H. Wakefield, Aaron Almeida, Andrei V. Blokhin, Jeffrey Carlson, Zane C. Neal, Vladimir Subbotin, Guofeng Zhang, Julia Hegge, Stephanie Bertin, Vladimir S. Trubetskoy, David B. Rozema, David L. Lewis, Steven B. Kanner 1. ...

We have examined the pattern of expression of the Lewis group carbohydrate antigens during the development of African toad Xenopus laevis. One of these antigens, Lewis x (Le(x), also known as SSEA-1), was previously shown to be involved in cell-cell adhesion in early mouse embryos and teratocarcinoma stem cells. Recently another member of these antigens, sialyl-Le(x), was found to be one of the...