PROM1 and colorectal cancer: The results exhibited that exosomes derived from CD133+/CD44+ colorectal cancer cells elevated the viability (P < 0.001, Figure 4(d,e)), proliferation rate (P < 0.001, Figure 5(a–c)), sphere formation ability (Figure 5(d)) and migration rate (P < 0.001, Figure 5(e–g)).