Sérgio T. Ribeiro

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The non-immunoglobulin component of human milk responsible for the inhibition of Escherichia coli cell adhesion (haemagglutination) mediated by colonisation factor antigen 1 (CFA1) was determined by chromatographic fractionation of human whey proteins with Sephadex G-200, DEAE cellulose and heparin-sepharose. Pure free secretory component (fSC) and pure(More)
The contributions of γδ T-cells to immunity to infection or tumors critically depend on their activation and differentiation into effectors capable of secreting cytokines and killing infected or transformed cells. These processes are molecularly controlled by surface receptors that capture key extracellular cues and convey downstream intracellular signals(More)
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