In 6 studies using malignant cells (MCF-7 cells [50], Colo-357 cells [17], T47 D cells [32], MDA-MB-231 cells [29], T24 cells [31], thyroid cancer FTC-133 cells [34], insulin glargine displayed similar mitogenic potency as compared to human insulin. The gene discussed is INS; the disease is thyroid gland carcinoma.