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体外无菌条件下分离金黄地鼠腮腺腺细胞，消化法体外培养．结果：细胞呈单层生长，具有分裂能力，维持３周以上．免疫组织化学染色绝大多数细胞角蛋白阳性，波形丝蛋白阴性．部分细胞之间呈细胞粘接分子阳性．细胞核有较强核原癌基因ｃ—ｆｏｓ、ｃ－ｊｕｎ蛋白表达．胞浆。α─淀粉酶呈强阳性反应．电镜观察，细胞具有完整电镜结构，偶见桥粒形成．提示：体外单层培养腮腺腺细胞可较长时间增殖、分化，建立一定细胞连接，具有蛋白合成功能．
In vitro aseptic conditions, golden hamster parotid gland cells were isolated and digested in vitro. Results: Cells were monolayer growth, with the ability to divide for more than three weeks. Immunocytochemical staining of most cytokeratin positive, corrugated silk protein negative. Some cells were positive for cell adhesion molecules. The nucleus has a strong nuclear proto-oncogene c-fos, c-jun protein expression. Cytoplasm. Alpha-amylase showed a strong positive reaction. Electron microscopy, the cells have a complete electron microscopy, and occasionally desmosome formation. Tip: monolayer culture of glandular cells in vitro can be a long time proliferation, differentiation, to establish a certain cell connection, with protein synthesis.