· 12 months from date of receipt, -20 to -70 °C as supplied.
· 6 months, -20 to -70 °C under sterile conditions after reconstitution.
· 1 week, 2 to 8 °C under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
SerpinB3/SCCA belongs to tumor-related glycoprotein antigen, also known as TA-4 antigen, which widely exists in the cytoplasm of uterine, cervical, lung and other squamous cell carcinoma, and has a high content in non-keratinized cancer cells, which is closely related to the occurrence and development of squamous cell carcinoma. In normal squamous epithelial cells, SerpinB3/SCCA inhibits apoptosis and participates in the differentiation of squamous epithelium, but participates in the physiological processes such as invasion, metastasis and recurrence of cancer cells in tumor cells. As a specific marker of squamous cell carcinoma, the concentration of SerpinB3/SCCA increases with the aggravation of the disease, and it is an important tumor marker reflecting the biological characteristics of squamous cell carcinoma. Its serum level is widely used in the diagnosis of squamous cell carcinoma of many organs and clinical evaluation of therapeutic effect.
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