We were initially looking for what is driving liver stem cell proliferation during chronic liver injury.

但最初我们的目的是寻找在慢性肝损伤时什么动力推动了肝脏干细胞的增殖。

youdao

These stem cells are responsible for driving this cycle of growth and can repopulate follicles and surrounding epidermis damaged by wounding.

这些干细胞是毛发生长的根源，而且可以在创伤后修复滤泡和周围的上皮组织。

youdao

Several recent studies have identified tiny populations of tumor cells that appear to act like stem cells, driving the tumor's ability to grow and spread.

近期一些研究鉴定出很少的肿瘤细胞种群，它们的行为显得像干细胞，推进肿瘤生长和扩展能力。

youdao

Indeed, students with STEM skills are a driving force that keeps America competitive, creative, and innovative.

WHITEHOUSE: Our Top Stories

In the Costa Rican capital Friday, Obama defended his administration's efforts to stem U.S. demand for drugs that many regional leaders see as a driving factor in their security issues.

NPR: Obama: US, Latin America Must Strengthen Economies