Fig. 2

Expression of GLS1 (a), GLS2 (b), and GLUT-1 (c) levels in normal and cancer tissues microarrays. Sample size: 306 breast cancer tissues and 52 adjacent normal tissues. Statistical analysis was performed using the Mann–Whitney U test. *P values ≤ 0.05 and **P values ≤ 0.01 were considered statistically significant.