This means regenerative medicine is still a possibility without the need for embryonic stem cells.
这意味着再生医学在缺少胚胎干细胞的情况下也是可能的。
A classic metaphor in biology pictures an embryonic cell at the top of a hill.
生物学里有一个经典的比喻：胚胎细胞就像山顶上的石块。
The Salk scientists focused on a biological "priming" system that keeps embryonic cells ready to become whatever kind of tissue they are destined to be.
索尔克的科学家侧重于研究生物“引爆”系统，让胚胎细胞时刻准备着变成预定要变成的任何种类的细胞组织。
But he has been working for months on writing a grant that he was about to submit for more work using human embryonic stem cells, and he feared it would be rejected.
但是，他几个月来一直忙于打报告申请拨款，好做更多的使用人类胚胎干细胞研究工作，他害怕遭到拒绝。
Geron, based in California, is the first American firm to test a treatment using human embryonic stem cells.
总部设在加利福尼亚的杰龙是第一家对使用人类胚胎干细胞的治疗进行测试的美国公司。
His work on embryonic stem cells was a breakthrough, but it also brought intense controversy and media attention, turning him somewhat reclusive.
虽然他在胚胎干细胞的研究上取得了突破性的进展，但随之而来的激烈争论和媒体关注也迫使他归于沉寂。
So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.
因此，我们需要一种替代材料，一种可以再生的材料，我们注意到了胚胎干细胞胚胎干细胞。
There are hints that reverse transcriptase is needed for a lot of early embryonic functions associated with getting cells ready to specialise into different types of tissue.
有线索表明，在与细胞发育成各种组织相关的早期胚胎的功能中，逆转录酶是必需的。
Last year a group at the University of Minnesota found a way to guide into human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.
去年，美国明尼苏达大学的研究小组找到了一种办法，把人类胚胎干细胞引导成一种强有力的白细胞，这种白细胞会破坏肿瘤细胞。
The group discovered a morphogen, a protein present in embryonic tissue and encoded by a gene known as Wingless, which seems to be a linchpin of wing decoration.
该小组发现了一种形态形成的机制，有一种存在于胚胎组织中的蛋白被一种称为无翅的基因所确定，这种基因似乎是翅膀装饰的关键基因编码。
There is a plan, described as being in its "embryonic" stage, to split the position of editor in chief from that of director general.
有一个正处于萌芽阶段的计划，即准备把总编的职位从总经理中分离出来。
These three alien heads all represent 3d images of a developing embryonic mouse head.
这是胚胎小鼠头部发育过程中三张不同的三维图像。
UCI researchers used human embryonic stem cells to create these retinal progenitor cells, which later developed into a three-dimensional tissue sheet. (Credit: Photo by UCI).
加州大学欧文分校(uci)的研究人员用人类胚胎干细胞培育了图中所示的视网膜祖细胞，后者将进一步分化为具有三维结构的组织薄片。
After years of research, ViaCyte developed a recipe capable of transforming embryonic stem cells into immature pancreatic cells, called progenitors.
历经几年的研究，ViaCyte公司研发出一种能将胚胎干细胞转化为不成熟的胰腺细胞——祖细胞(progenitors)的方剂。
An American biotechnology firm may have found a way to make embryonic stem cells without upsetting anybody.
美国一家生物科技公司发现的一种方法也许既可以制造胚胎干细胞也能令大家都满意。
Exploring NGC 346, astronomers have identified a population of embryonic stars strung along the dark, intersecting dust lanes visible here on the right.
天文学家探索NGC346星云，识别出一个在黑暗中排列的恒星胚胎群，就是这幅图的右侧可见的交叉的星尘线。
In 2006, researchers at Kyoto University showed they could reprogram mouse skin cells into a pluripotent, embryonic-like state with just four genes.
2006年，京都大学的研究人员表示他们仅靠4中基因就能重新编码老鼠的皮肤细胞使之还原到胚胎多能状态。
Literally, you could not pick up a pencil off a bench if you were working with embryonic stem cells.
名义上说，如果要是在搞胚胎干细胞的工作，你就不能从凳子上拿走一支笔。
Human blood cells -taken at doctors' offices or hospitals -can now be reprogrammed into a state like embryonic stem cells, according to researchers.
研究人员表示，他们能把从诊所或医院里获得的人类血液细胞重组成类似胚胎干细胞功能的细胞。
Last year a group at the University of Minnesota found a way to guide human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.
去年，明尼苏达大学的一个科研小组找出了一种可以引导人类胚胎干细胞，使其转化成强有力白细胞类型的方法，从而破坏肿瘤细胞。
Dr Hwang provoked a flurry of excitement a year ago when he published a paper in Science that claimed to have cloned human embryos from embryonic stem cells.
一年前，黄博士在《科学》杂志上发表论文，宣称他已使用胚胎干细胞克隆出了人类胚胎，这在当时激起了一片兴奋。
All of which is a shame because, after a long period of lofty promises, embryonic-stem-cell science is starting to get interesting.
所有这一切都是一个耻辱，因为经过长时间的崇高承诺，胚胎干细胞科学开始变得有趣了。
In 2001 George Bush issued a ban on federal funding of research on new embryonic stem-cell lines-a compromise that meant that scientists could only work with cells from the batches they already had.
2001年，乔治·布什颁发命令，禁止联邦资金支持新胚胎干细胞株的研究，这实际上是一种妥协，意味着科学家们只能对业已产生的胚胎干细胞进行研究。
First, the scientists found abnormal proportions of excitatory and inhibitory neurons in the brains of the embryonic DS mice, with a much higher quantity of the inhibitory cells.
首先，科学家发现唐氏综合症小鼠的胚胎中异常兴奋和抑制性神经元的比例异常，其中抑制性细胞的数量要高得多。
The reprogrammed stem cells are then programmed again to develop into mice, a feat that has been accomplished before only using embryonic stem cells.
重新编码的干细胞会再次编码发育成为老鼠。在使用胚胎干细胞之前，此前只有用胚胎干细胞才能达到这一结果。
Astrophysicists have found that when a supermassive black hole quickly devours gas and dust, it can generate enough radiation to abort all the embryonic stars in the surrounding galaxy.
天体物理学家发现，当一个巨大的黑洞快速吞噬宇宙中的气体和尘埃时产生的辐射，足够摧毁周围星系中初期形成的星体。
Embryonic stem cells have the potential to be any type of cells, a characteristic known as pluripotency.
胚胎干细胞有变成任意类型细胞的潜能，这种特性叫多潜能。
Embryonic stem cells have the potential to be any type of cells, a characteristic known as pluripotency.
胚胎干细胞有变成任意类型细胞的潜能，这种特性叫多潜能。
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