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. 2023 Dec 6;13:1233039. doi: 10.3389/fonc.2023.1233039

Figure 1.

Figure 1

ZP3 protein is expressed in human cancer tissues and is cytoplasmic. Immunohistochemical detection of ZP3 protein in (A, B) lung squamous cell carcinoma; (C, D) ovarian adenocarcinoma; (E), (F) breast carcinoma and (G, H) esophageal adenocarcinoma. Scale bar = 50 µm. (I) The ZP3 antibody specifically detects ZP3 in the zona pellucida of oocytes in ovarian follicles (indicated by black arrow), while no staining of oocytes in ovarian follicles is observed in the absence of the antibody (J; indicated by red arrow). Scale bar = 100 µm (I, J).