Fig. 1

TUSC7 expression in ESCC tissues and cells. a Sixty-two ESCC tissues and adjacent normal esophageal epithelial tissues were collected. qRT-PCR showed that TUSC7 expression was downregulated in ESCC tissues. b Patients were divided into chemotherapy Response group (n = 22) and Non-response group (n = 40) according to the patient’s response to chemotherapy. qRT-PCR showed that TUSC7 expression was upregulated in chemotherapy Response group. c Kaplan-Meier survival analysis showed that patients with lower TUSC7 levels (n = 31) had poorer overall survival than patients with high TUSC7 levels (n = 31). d qRT-PCR was used to detect TUSC7 expression in ESCC cells (TE-13, KYSE140, EC9706, KYSE30) and human esophageal epithelial cells (Het-1A). Compared with Het-1A cells, TUSC7 expression was downregulated in ESCC cells with lowest expression in KYSE30 cells and highest in TE-13 cells