However, there are challenges in identifying specific markers for cervical squamous cell carcinoma (CCSC), including ABCG2, MSI1, PROM1 (CD133), ITGA6 (CD49f), KRT17 (CK17), SOX2, and Pou5f1 (OCT4). The gene discussed is POU5F1; the disease is cervical squamous cell carcinoma.