TGF-beta can both heal wounds and make healthy cells cancerous.

VOA: special.2010.05.18

Individual cells of the pancreas are capable of - of a healthy pancreas are capable of both sensing glucose and secreting insulin.

每一个健康胰腺细胞,都可以感知血液中葡萄糖浓度,并分泌胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

So what if you could take cells from a healthy individual and put them into a diabetic individual?

所以如果我们可以从健康个体中提取细胞,植入糖尿病患者体内

耶鲁公开课 - 生物医学工程探索课程节选

He says normally a protein in healthy immune cells causes the cells to die after they attack an invading virus or bacteria.

VOA: special.2010.05.19

There was enough space in the bone for the healthy marrow to start producing new red blood cells.

VOA: special.2009.12.16

And how the cells shutdown is they actually die Harris Perlman says a protein in healthy immune cells causes them to die after they attack an invading virus or bacteria.

VOA: special.2010.03.16

The healthy marrow causes new blood cells to form.

VOA: special.2009.12.16