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Fig. 9. Effect of BzlGalNAc on immunolocalization of LAMP-1, Muclin and amylase after in vitro zymogen granule repletion. Cryosections were prepared the same as in Fig. 8 and immunolabeled for the lysosomal membrane protein LAMP-1, Muclin and amylase. (A) In control tissue, there are sparse lysosomes (arrow) that are negative for Muclin. (B) BzlGalNAc-treated tissue has larger LAMP-1-positive structures (arrow) that are negative for Muclin. (C) BzlGalNAc-treated tissue has larger LAMP-1-positive structures (arrow) that are negative for amylase.