Department of Otolaryngology-Head & Neck Surgery, University of Michigan, Ann Arbor, Michigan, USA.
Head Neck. 2012 Oct;34(10):1480-91. doi: 10.1002/hed.21962. Epub 2011 Dec 13.
Few human papillomavirus (HPV)(+) head and neck squamous cell carcinoma (HNSCC) cell lines exist. We established University of Michigan-squamous cell carcinoma-104 (UM-SCC-104), a new HPV(+) HNSCC cell line from a recurrent oral cavity tumor, and characterized it for the presence of cancer stem cells (CSCs).
Tumor cells were tested for biomarker expression by immunohistology, and the presence of HPV was assessed by several methods.
UM-SCC-104 has a unique genotype, contains HPV-16, and expresses E6/E7. Inoculation of aldehyde dehydrogenase (ALDH)(+) and ALDH(-) cells in an immunocompromised mouse resulted in tumor growth from the ALDH(+) cells after 6 weeks that recapitulated the histology of the primary, whereas ALDH(-) cells did not produce tumors.
UM-SCC-104, a new HPV-16, CSC-containing HNSCC cell line will aid in studying recurrent HPV(+) tumors. The aggressive nature of this tumor is consistent with high uniform expression of epidermal growth factor receptor (EGFR) and a functionally significant proportion of ALDH(+) CSCs.
人乳头瘤病毒(HPV)(+)头颈部鳞状细胞癌(HNSCC)细胞系很少。我们从复发性口腔肿瘤中建立了密歇根大学鳞状细胞癌-104(UM-SCC-104),这是一种新的 HPV(+)HNSCC 细胞系,并对其存在的癌症干细胞(CSC)进行了特征描述。
通过免疫组织化学检测肿瘤细胞的生物标志物表达,并用多种方法评估 HPV 的存在。
UM-SCC-104 具有独特的基因型,含有 HPV-16 并表达 E6/E7。将醛脱氢酶(ALDH)(+)和 ALDH(-)细胞接种于免疫功能低下的小鼠中,6 周后,ALDH(+)细胞产生肿瘤,其组织学特征与原发肿瘤相似,而 ALDH(-)细胞则未产生肿瘤。
UM-SCC-104 是一种新的 HPV-16 型、含 CSC 的 HNSCC 细胞系,将有助于研究复发性 HPV(+)肿瘤。这种肿瘤的侵袭性与其表皮生长因子受体(EGFR)的均匀高表达和功能上显著比例的 ALDH(+)CSC 一致。