Endocrine Abstracts

Background: It has been reported that metformin might modify thyroid hormone economy. This farmacological tool appears very useful in patients with differentiated thyroid cancer usually receiving high Levo-tiroxine (L-T4) doses to suppress thyrotropin (TSH). In those patients that after five years of follow-up showed no persistence of disease, it’s useful to abolish the iatrogenic hyperthyroid condition.Objective: To evaluate metformi...

In the last years, a growing body of evidence supports the notion that tumors are organized in a hierarchy of heterogeneous cell populations with different biologic properties and that the capability to sustain tumor formation and growth exclusively resides in a small proportion of tumor cells, termed cancer stem cells (CSC). The existence of CSC was first proven in the context of acute myelogenous leukaemia, and subsequently verified in brain, breast, colon and prostate cance...