Fig. 1.
Presence of transduced human CD40L protein in mice treated with ST40L.
(A) HE staining of intestine ( × 100) of BALB/c mice killed 1 week after oral administration of ST40L. (B) Immunostaining of Peyer's patches using antihuman CD40L Ab (×400) of BALB/c mice killed 1 week after oral administration of ST40L. (C) Immunostaining of Peyer's patches using antihuman CD40L Ab (×400) of BALB/c mice killed 1 week after oral administration of ST.