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In an initiative to speed treatments for wounded soldiers, the U.S. Department of Defense(DOD)is entering the fast-growing field

admin2015-03-25  51
问题     In an initiative to speed treatments for wounded soldiers, the U.S. Department of Defense(DOD)is entering the fast-growing field of regenerative medicine. Over the next 5 years, at least $250 million will be tunneled into two university-led consortia that compose the new Armed Forces Institute of Regenerative Medicine(AFIRM), DOD announced last week.
    AFIRM will focus on regrowing severed fingers, recreating shattered bones, reconstructing mutilated faces, and covering burn victims with genetically matched skin. "We hope to get products into patients within 5 years," says tissue engineer Anthony Atala of Wake Forest University Baptist Medical Center in Winston-Salem, North Carolina, co-director of one consortium led by Wake Forest and the University of Pittsburgh in Pennsylvania.
    Last year, Atala reported isolating from amniotic fluid highly versatile stem cells, which are likely to figure prominently in the new technologies. Embryonic stem cells or their equivalents aren’t in the mix here. Rather, says Atala, the focus is on getting rapidly to the clinic, using cells that can get quick Food and Drug Administration approval.
    DOD decide 2 years ago that it was time to make a major commitment to regenerative medicine treatments, largely at the instigation of dental researcher Robert Vandre, director of combat casualty care research at the U. S. Army Medical Research and Materiel Command at Fort De-trick, Maryland. Vandre says he originally managed to round up a commitment for $8.5 million a year, including $500,000 a year from the U. S. National Institutes of Health(NIH). Then after receiving competitive proposals for a single consortium, he got a call "out of the blue" from the White House, which ended up telling DOD to double the funding from $42.5 million to $85 million over 5 years. That made it possible to fund two consortia that had come in neck-and-neck in the competition. Vandre, who is AFIRM’s DOD manager, says the 5-year total should top $265 million, including $80 million in public and private funds to match DOD’s input and some $100 million in NIH grants already held by researchers in the consortia’s 28 researchgroups.
    A top priority will be engineered skin that can be quickly grown to treat burn victims. Atala points out that at present there is " no real skin replacement" because skin grafts from cadavers are prone to rejection; supply is also short. One of the earliest fruits of the venture may be a method to grow a patient’s own skin rapidly enough to use as a graft for life-threatening burns. Ultimately, says chemist Joachim Kohn of Rutgers University in New Brunswick, New Jersey, co-head of the other consortium, led by Rutgers and the Cleveland Clinic in Ohio, "you could take a skin sample from every soldier in danger zones and store it" so that the moment a soldier is injured, people back at the Army medical center in San Antonio, Texas, could start growing a graft.
Which of the following is true of the regenerative medicine?
选项 A、Universities concerned will gain a lot of profits.
B、It has already been used for wounded soldiers in U. S.
C、It’s very helpful to ease hurt at once for the wounded.
D、It concentrates on the reproduction of the wounded body parts.
答案D
解析 事实细节题。由题干关键词the regenerative medicine定位至第一段。由下文“AFIRM将重点研究断指再生、再造裂骨、重塑残脸以及把基因吻合的皮肤移植给烧伤病人”可以推测，该技术主要是受伤肢体再生，[D]与之一致，故为正确答案。原文说由大学领衔的组织会得到资助，并非大学从中获利，故排除[A]；原文说该技术只是刚开始进行科研，并未应用，故排除[B]；该技术主要是受伤肢体再生，并非即时止痛，故排除[C]。
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