B3GAT1 and Kaposi's sarcoma: KS/HIV patients, using the MT scheme, decreased the MFI of PD-1 on CD57+ NKdim cells from W4 to W12 (p = 0.0357) (Figure 7A), whereas the MFI of KLRG1 increased at W12 compared to W0 (p = 0.0221) (Figure 7B).