ZARCONE , Daniela

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The morphologic and functional characteristics of cells freshly isolated from human peripheral blood and bearing a T cell receptor (TcR) gamma/delta were analyzed. Cell preparations highly enriched for TcR gamma/delta+ cells were obtained by treatment of E rosette-forming lymphocytes with anti-CD4 and anti-CD8 monoclonal antibodies (mAb) and...

We have analyzed the morphological characteristics of human T lymphocytes bearing CD3-associated T cell receptor (TcR) gamma and delta chains. BB3 and delta-TCS1 monoclonal antibodies (mAb) were used to identify two distinct, nonoverlapping populations of TcR gamma/delta + cells which express the products of V delta 2 and V delta 1 gene...

We evaluated the effect of the antibodies to adhesion molecules CD2, CD11a/CD18 (LFA-1), and CD56 (N-CAM) on MHC-unrestricted cytotoxicity mediated by polyclonal NK cells and LAK cells or by CD3+ or CD3- cytolytic cell clones against a panel of tumor cell targets selected according to expression or absence of the corresponding ligands. We show...

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Sulfatases are involved in several biological functions such as degradation of macromolecules in the lysosomes. In patients with multiple sulfatase deficiency, mutations in the SUMF1 gene cause a reduction of sulfatase activities because of a posttranslational modification defect. We have generated a mouse line carrying a null mutation in the...

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Immature dendritic cells (DCs) derived from freshly isolated human monocytes were used to evaluate the effect of the inhibiting receptor CD85j (leukocyte Ig-like receptor-1/ILT2) on activation induced by cross-linking of the human osteoclast- associated receptor (hOSCAR). CD85j and hOSCAR were expressed consistently at the same density on...

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