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Fig. 1 | World Journal of Surgical Oncology

Fig. 1

From: Heavy alcohol drinking downregulates ALDH2 gene expression but heavy smoking up-regulates SOD2 gene expression in head and neck squamous cell carcinoma

Fig. 1

Unsupervised clustering of 270 cases HNSCCs in GSE65858 according to aldehyde dehydrogenase (ALDH) and superoxide dismutase (SOD) genes reveals 2 molecular subtypes–ALDH2_expression_High vs ALDH2_expression_Low (a), and SOD2_expression_High vs SOD2_expression_Low (b). The data are given in matrix format. The color red or green in cell reflects relative high or low expression levels, respectively, as indicated in scale bar

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