… 5% of CD19 + B cells express B7-H1, although B cells are activated with cell surface Ig …
immunity [15]. Our results thus demonstrated that expression of B7-H1 evades tumor immunity, …

… At this early stage, the target cells may express no or less B7-H1, and a rapid immune
response is warranted for a complete clearance of infection. As the infection continues, the …

… of T-cell-associated B7-H1 or B7-DC in the T-cell immune response. … of B7-H1 and B7-DC
expressed on T cells in terms of cell proliferation and cytokine production by alloreactive T cells…

… - or B7-H1-transfected L cells and fusing immune splenocytes … b7-h1 molecules on freshly
isolated colonic epithelial cells … and B7-H1 mRNA expression in freshly isolated epithelial cells …

… In this study, however, we show that mouse B7-H3 has a negative regulatory function in T
cell–mediated immune responses both in vitro and in vivo. B7-H3 inhibited T cell proliferation …

… -H4 transfectants (Figure 2I), although these Ig fusion proteins are able to bind cells
transfected with B7-1, B7-H2, and B7-H1, respectively (Figure 2J). Our data indicates that …

… -malignant cells may also contribute to antitumor immunity. … by immune cells in the context
of CD8 + T cell priming, … by tumor cells in regulating antitumor CD8 + T cell responses. …

… B7-H1 in tumor immunity, we activated allogeneic human T cells with tumor MDCs, which
induced significant T-cell IL-10 … 2b and c ) from both CD4 + and CD8 + T cells (Fig. 2c, panel 4). …

… dendritic cells contribute to inadequate adaptive immunity in … B7-H1 expression on
circulating myeloid dendritic cells (… We found that B7-H1 expression is significantly up-regulated …

… We confirmed expression of B7-H1 mRNA in these tumor cell lines by the reverse
transcriptase–coupled polymerase chain reaction (RT-PCR) using primers specific for human B7-H1 (…