So for the ten patients in the study, doctors used a low amount of radiation to destroy only some of their marrow.
VOA: special.2009.12.16
All these cells come from the bone marrow and biologists have traced the formation of these cells in great detail.
所有这些细胞都来自骨髓,而生物学家已经很详细地,研究了这些细胞的形成过程
One is because we understand the bone marrow system so much better than we understand all the other stem cell systems.
一个原因就是我们对骨髓系统的认识,远高于其他干细胞系统
Joanne Kurtzberg is chief of the Blood and Marrow Transplantation Center at the Duke University Medical Center.
VOA: special.2011.02.01
You know probably that within your bone marrows there's populations of cells, there are different kinds of cells within the bone marrow.
你也许知道的,在你的骨髓里,有许多种细胞,骨髓中有不同种类的细胞
Doctors first used chemicals to destroy the children's own marrow, then replaced it with healthy marrow.
VOA: special.2009.12.16
If you were searching for unique populations of cells within the bone marrow what tools would you use to look for them?
如果你要在骨髓中,找一组特定的细胞群,你用什么工具来找呢
In other studies, bone marrow transplants cured severe sickle cell disease in almost two hundred children.
VOA: special.2009.12.16
There are a couple of tissues that are of particular interest to scientists and clinicians now and bone marrow is one of those.
有一些组织现在受到,科学家和临床工作者的关注,骨髓就是其中之一
Their major organs are already too damaged to have all their bone marrow destroyed.
VOA: special.2009.12.16
We'll talk in a minute about stem cells that are involved in generation of blood and they develop and they live in the bone marrow.
我们一会儿要说到,和血细胞再生有关的干细胞,它们发育并储存在骨髓中
Ten patients in all were treated in a study with donated bone marrow.
VOA: special.2009.12.16
There's a lot of interest in bone marrow and the stem cells that come from bone marrow and there's a couple of reasons for this.
人们对骨髓以及从骨髓中,提取的干细胞有着浓厚的兴趣,这其中有多种原因
Doctors can collect it with a needle. But people who donate marrow must first have tests to make sure they are a good match for the patient.
VOA: special.2009.12.16
Through many decades of study, biologists have teased out certain populations of cells within the bone marrow that are capable of reproducing subsets of cells.
经过数十年的研究,生物学家们在骨髓中发现了,一些细胞群,它们能够生成细胞亚群
Researchers have long known that bone marrow produces and contains monocytes.
VOA: special.2009.08.25
The other is that it's possible to get stem cells from patients, from bone marrow.
另外一个原因就是从病人的骨髓中,取得干细胞是可行的
The healthy marrow causes new blood cells to form.
VOA: special.2009.12.16
You can collect bone marrow, it's not a procedure that you would want to do.
你可以收集骨髓,不过这个过程你应该不想经历
Marrow is a soft, spongy tissue inside bones.
VOA: special.2009.12.16
Of a million cells in the bone marrow there might only be one of these.
一百万个骨髓细胞中,也许只有一个多能干细胞
Then the patients received healthy marrow.
VOA: special.2009.12.16
It involves putting a needle, a fairly large needle into usually one of the pelvic bones and collecting marrow from which is tissue that's deep inside those bones.
先要用针头,相当大的针头刺进你的盆骨,然后进行收集,这些在骨头深处的骨髓
This pluripotent stem cell from bone marrow is an example of a stem cell, an adult stem cell, a stem cell that could be identified from the blood.
这种骨髓中的多能干细胞,是干细胞的一个代表,一个成人的干细胞,可以在血液中检测到的
It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.
这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞
In this diagram I'm showing you it's easy to tell because some are yellow, and some are pink, and some are blue but that's not the way they come out of the bone marrow.
在我给你们看的这张图表中很简单,因为其中一些细胞是黄色的,有些是粉红的,有些是蓝的,但它们在骨髓里没有这些颜色
By taking cells from the skin, for example, or cells from your blood or cells from the bone marrow and keeping them alive in culture, we've been able to study how human cells work and learn a lot about the functioning of human organism.
举例来说,通过从人的皮肤,骨髓,或者血液中提取细胞,并在培养基中培养,就能研究人类细胞是如何工作的,并在一定程度上了解人类机体的功能
Or maybe I could donate bone marrow and those stem cells could be given to other people in the same way that blood can be given to other people by matching and making sure that immunologically my cells were compatible with you; there's a lot of interest in that.
或者我可以捐献骨髓,而那些干细胞,可以使用和输血同样的方法,通过配型来确认我的免疫细胞和你的匹配,从而把我的干细胞,输入给你,这里面有很多有趣的东西
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