They observed that cells from normal mice secreted insulin, whereas cells from mice lacking an uncoupling protein 2 (UCP2), which prevents insulin being produced, did not.

• 他们观察到正常老鼠的胰细胞分泌胰岛素，而缺少解偶联蛋白2（UCP2，是抑制胰岛素分泌的物质）的老鼠的胰细胞不能分泌胰岛素。