The absence of this smaller region tells you that this sample came from a sickle patient.
小片段的缺失就能告诉你,该样本是取自病人的
It was implanted into the first patient, a gentleman in Kentucky, and he stayed alive for a period of time with this device replacing his heart.
第一个植入这个人工心脏病人是,住在肯塔基州的一位先生,他在移植手术后,存活了一段时间
Is the only reason that you as a doctor won't yank the organs out of the healthy patient that you think, well, if I use him in this way, in the long run more lives would be lost?
这就是唯一原因,让你作为医生,不会偷摘取体检病人的器官吗,因为你认为,如果你这样利用他,长远来看,会导致更多人丧命?
And you can use this tissue engineered skin to treat a patient who's had severe burns, for example, or a diabetic who's developed ulcers that won't heal.
人们能够用这种组织工程学意义上的皮肤,来治疗严重烧伤的病人,或那些溃疡久治不愈的糖尿病病人
This particular one down here, this portion here is a heart/lung machine and this is a machine that can take over the function of a patient's heart and lungs during the period when they're undergoing open heart surgery, for example.
下面这是一个特别的设备,这一块是,心肺机,这台机器能够,在病人接受心脏手术的时候,替代病人的,心脏和肺的功能
If this was a sickle patient, so they had this gene instead it wouldn't get cut and when I went to look for that presence of that gene on this gel, it would appear as one large segment instead of a large one and a smaller one.
而如果是个镰状红细胞贫血的病人,他们的基因是不会被限制酶切割的,因此他们基因的凝胶电泳结果就不会呈现,一大一小的结果,而只有一个大的片段
If I took this same restriction enzyme and tried to cut the chromosomal DNA of a sickle patient, it wouldn't cut at that point because the wrong sequence is there.
而如果我用同样的限制酶,去切割病人的染色体DNA,那该酶是不会起作用的,因为基因序列不对
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