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. 2015 May 27;13:48. doi: 10.1186/s12958-015-0042-z

Fig. 4.

Fig. 4

Immunolocalization of GPER in four week old pre-pubertal and eight week old peri-pubertal Sprague Dawley rats. In pre-pubertal rats, GPER immunostaining is observed primarily in the epithelial cell cytoplasm (red color). Immunostaining is strongest in the cauda and near the apical membrane (arrows). In peri-pubertal rats, GPER immunostaining is observed primarily in the epithelial/principal cell cytoplasm within the corpus and cauda. Immunostaining is strongest near the apical membrane (arrows). Bar = 100 μm