CXCR5 and infection: Flow cytometric analysis demonstrated that voglibose administration increased the frequencies of CXCR5+Bcl-6+ Tfh and GL7+Bcl-6+ GCB cells in the PPs of the proximal small intestine after r Salmonella -ToxC infection, whereas the numbers of those Tfh and GCB cells were not significantly changed, despite increasing trends (Supplementary Figures 6A–D).