Fig. 5From: Soluble RANKL expression in Lactococcus lactis and investigation of its potential as an oral vaccine adjuvantRepresentative images for whole mount IHC of M cells according to time. At day 3, 5 and 7 post-treatment of sRANKL-LAB, Peyer’s patches were isolated from intestine and stained with Alex 488-labeled anti-GP-2, to observe the progress of M cell development by sRANKL. The nucleus was stained with DAPI. Scale bar represents 100 μmBack to article page