Fig. 4.
Histologic analysis of A20 tumors excised 21 days postchallenge from BALB/c mice immunized with ST40L.
(A) HE stain of a BCL region in a mouse treated with PBS alone. (B) HE stain of a smaller BCL region in a mouse treated with ST. (C) HE stain of a small hard nodule at the SC injection site in a mouse treated with ST40L. (D) Fas ligand staining of a BCL region in a mouse treated with PBS alone. (E) Fas ligand staining of a BCL region in a mouse treated with ST. (F) Fas ligand staining of a small hard nodule at the SC injection site in a mouse treated with ST40L. Original magnifications are ×400.