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中国化学遗传疗法临床试验:癫痫患者发作减少92.6%|附文稿

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时间英文中文
0:00So I want you to imagine a really busy city at night.所以我希望你想象一个晚上非常繁忙的城市。
0:04Millions of lights are shining.百万灯光照耀.
0:06Everything is working perfectly.一切都很顺利
0:07Right, a totally normal night.是的,一个完全正常的夜晚。
0:09Exactly.没错
0:10But then suddenly a huge lightning strike但突然突然闪电袭来
0:13hits the center of the city.击中市中心。
0:14Oh, wow.哦,哇呜。
0:15And it causes a massive blackout.导致大面积停电.
0:17Everything just completely shuts down.一切都完全关闭了。
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1So I want you to imagine a really busy city at night.所以我希望你想象一个晚上非常繁忙的城市。
2Millions of lights are shining.百万灯光照耀.
3Everything is working perfectly.一切都很顺利
4Right, a totally normal night.是的,一个完全正常的夜晚。
5Exactly.没错
6But then suddenly a huge lightning strike但突然突然闪电袭来
7hits the center of the city.击中市中心。
8Oh, wow.哦,哇呜。
9And it causes a massive blackout.导致大面积停电.
10Everything just completely shuts down.一切都完全关闭了。
11So for a person with severe epilepsy,对于一个严重的癫痫患者来说,
12that is exactly what happens inside their brain.这正是他们大脑里发生的事情。
13You know, that is a really perfect way to picture it.你知道,这是一个非常完美的方法 来想象它。
14I mean, that lightning is basically我的意思是,闪电基本上是
15an abnormal electrical signal.一个异常的电讯信号。
16Right.对
17It just sweeps through the brain circuits它只是扫荡脑电路
18without any warning at all.完全没有警告
19And it causes, well, intense panic, violent shaking,它会引起强烈的恐慌 剧烈的颤抖
20and a total loss of consciousness.和完全失去意识。
21It sounds absolutely terrifying.听起来很恐怖
22But today, we are doing a deep dive但是今天,我们正在做一个深潜
23into a completely new way to stop that lightning.以全新的方式阻止闪电
24Yes, we are.是的,我们是。
25We are looking at a really fascinating medical report.我们正在看一个非常迷人的医学报告。
26It is from the South China Morning Post.摘自"南华早报".
27And we also have a letter from the New England我们还有一封来自新英格兰的信
28Journal of Medicine.医学杂志.
29Both of these came out in November.这两份都于11月出炉.
30Yeah, and the research here is just incredible.是的,这里的研究是不可思议的。
31It shows how doctors in China are basically显示中国医生基本情况
32building artificial switches inside the human brain.在人类大脑里建立人工开关
33Artificial switches.人工开关
34Exactly.没错
35They are finding a way to stop the lightning他们正在想办法阻止闪电
36before it even strikes the city.在它袭击城市之前
37OK, that sounds like science fiction.好吧,听起来像科幻小说。
38But to really appreciate this new switch,但为了真正欣赏这个新开关,
39you know, we have to understand the current problem.你知道,我们必须理解 当前的问题。
40Right, the baseline.对,基线。
41Epilepsy is a very common disease.癫痫是一种非常常见的疾病.
42But our sources point out a specific group of patients.但我们的消息来源指出一个特定的患者群体.
43And these patients face a really terrible reality.这些病人面临着一个非常可怕的现实。
44Yeah, we are talking about people是的,我们是在谈论人
45with what doctors call refractory epilepsy.医生称之为复发性癫痫
46Refractory.逆顺.
47Let us explain that term.让我们解释一下这个词。
48Sure.当然
49In plain English, refractory just means stubborn or resistant.在普通英语中,反式只是表示顽固或抵抗.
50Like it just refuses to get better.就像它只是拒绝改善。
51Exactly.没错
52The disease completely resists treatment.该疾病完全抵抗治疗.
53So for about one in three people with epilepsy,所以大约三分之一的癫痫患者
54normal daily medicines do absolutely nothing.普通的日用药根本无济于事
55Wait, really, one in three?等等,真的,三分之一吗?
56Yeah, about 33% of patients.是的,大约33%的病人。
57The standard pills just fail.标准药丸只是失败。
58So if the pills do not work, what is their other option?所以如果药丸不起作用 他们还有什么选择?
59I assume it is surgery.我猜是手术
60That is the traditional choice, yeah.这是传统的选择,是的。
61Doctors have to physically cut out医生要切掉身体
62the sick part of the brain tissue.脑组织中生病的部分
63Wow.珃
64They find the specific area that is他们发现具体领域是:
65causing the electrical storm.导致电动风暴。
66And then, well, they literally remove it with a knife.然后,嗯,他们字面上取出 用刀。
67I mean, that sounds terrible.我的意思是,这听起来很糟糕。
68We are talking about human brain tissue here.我们说的是人类的大脑组织。
69You cannot just cut it out without causing你不能就这么把它剪掉
70permanent damage, right?永久性伤害,对不对?
71No, you really cannot.不,你确实不能。
72And you are right to be shocked by that.你对此感到震惊是正确的。
73The medical term for this damage is这种损害的医学术语是
74irreversible neurological deficit.不可逆的神经缺陷。
75Let us break that down for the listener.让我们为听众破解它。
76Irreversible means permanent.不可逆即为常.
77Right.对
78Permanent brain damage.永久性脑损伤.
79A patient might lose important memories forever,病人可能会永远失去重要的记忆
80or they might lose basic cognitive functions,或者他们可能失去基本的认知功能,
81like the ability to think clearly or speak.就像能清楚思考或说话
82So they basically have to choose between所以他们基本上必须选择
83constant violent seizures or...不断的暴力癫痫或.
84Or losing a piece of their own mind, yes.或失去他们自己的想法,是的。
85That is awful.这是可怕的。
86That is like bombing a whole city block这就像轰炸整个城市街区
87just to fix one bad power station.只为修一个坏电站.
88That is a great analogy.这是一个伟大的类比。
89It really is a terrible choice,这真是一个可怕的选择,
90and this exact problem is why a research team这正是为什么一个研究团队
91from China decided to find a totally new path.从中国决定寻找一条全新的道路。
92Okay, so who is this team?好吧,这支队伍是谁?
93They work at Shanwu Hospital that is in Beijing,他们在北京山武医院工作
94and the team is led by a doctor named Zhao Guoguang.团队由一位名叫赵国光的医生领导.
95They basically decided to stop cutting the brain entirely.他们基本上决定停止完全切除大脑。
96So they wanted to leave the city block intact.所以他们想离开这个城市
97Exactly.没错
98Instead of destroying the sick brain cells,而不是摧毁生病的脑细胞
99they found a way to just, well, turn them off.他们找到了一个方法, 公正的,好了,关闭他们。
100Okay, I am hooked.好吧 我上瘾了
101How do you just turn off a brain cell?你怎么关掉脑细胞?
102They used a brand new method.他们使用了一种全新的方法。
103The technical name for it is chemogenetic neuromodulation.其技术名称为化疗神经调节.
104Okay, chemogenetic neuromodulation.好吧,化疗神经调节。
105其口ful然.
106Let us break that down so it makes sense.让我们打破这一点,这样才有意义。
107So chemo means chemical, right?所以化疗意味着化学,对不对?
108Yes, like a drug or a pill.是的,像药物或药丸。
109And genetic means using genes.基因意味着使用基因。
110Right again.又对了
111And then neuromodulation.然后神经调节.
112I'm guessing neuro means brain,我猜神经就是大脑
113and modulation means changing something,和调制意味着改变的东西,
114so changing how the brain cells behave.改变脑细胞的行为
115You got it perfectly.你猜对了
116They use gene therapy to actually install他们使用基因疗法 实际安装
117a new biological switch in the brain,大脑中一个新的生物开关,
118and then they use a chemical pill to flip that switch.然后他们用化学药丸来翻开开关
119Okay, wait.单单
120How do you install a switch inside a living human brain?如何在人脑里安装开关?
121Did they still have to open the skull?他们还得打开头骨吗?
122Well, yes, but it is much less invasive.嗯,是的,但它的入侵性要小得多。
123First, the doctors map the patient's brain.首先,医生绘制了病人的大脑图。
124They use a highly detailed MRI scanner.他们使用非常详细的核磁共振扫描仪。
125So they get a really clear picture of the inside.所以他们得到了一个非常清晰的内幕。
126Exactly, they find the exact precise location没错,他们找到准确的位置
127of the six cells.6个牢房。
128Then they guide a very small injection然后,他们引导一个非常小的注射
129into that specific spot.进入特定位置
130What are they injecting?他们在注射什么?
131They inject a virus, a virus called GA002.他们注射了一种病毒,一种叫做GA002的病毒.
132A virus?病毒吗?
133Usually we think of viruses as things that make us sick,通常我们把病毒看作是让我们恶心的东西,
134like the flu.像流感一样
135Right, normally they are bad news.对,他们通常是坏消息
136But in this case, the virus is completely harmless.但在这种情况下,病毒是完全无害的.
137How is it harmless?怎么会无害?
138Well, scientists actually remove the dangerous parts科学家们把危险部件拆了
139of the virus in a lab.病毒在实验室。
140They just wanna use its natural ability他们只是想利用自然的能力
141to enter human cells.进入人类细胞。
142So it acts like a microscopic delivery truck.所以它就像一辆微型快递车
143Oh, I see.原来如此
144So the virus is just the vehicle.病毒只是载体
145Exactly, it is just a delivery truck.没错,那只是一辆快递车
146So what exactly is this truck delivering to the brain cells?那这辆卡车到底送什么去脑细胞?
147It delivers genetic instructions.它传递遗传指令。
148Okay.摆
149So the virus enters the sick brain cells所以病毒进入了生病的脑细胞
150and it gives them a new genetic code.它给他们新的基因密码。
151Okay, and what does this new code do?好吧,这个新代码是做什么的?
152It forces the cells to build a new artificial part它迫使细胞 建造一个新的人工部分
153on their surface.在他们的表面。
154So the cell actually changes its own structure?所以细胞会改变自己的结构?
155Yes.对
156The sources call this artificial part an HM4D receptor.来源称这个人工部分为HM4D受体.
157Okay, HM4D receptor.好吧,HM4D受体。
158That sounds very technical.这听起来很技术。
159It is.没错
160But they also mention it belongs to a group of receptors但他们也提到它属于一群受体
161名为DREDS。
162DREDS,像D -R
163Yes.对
164And DREDS is actually a brilliant acronym.而DREDS其实是一个辉煌的缩写.
165It stands for designer receptors代表设计师的受体
166exclusively activated by designer drugs.完全由设计者药物激活。
167Oh, wow.哦,哇呜。
168Let me say that again.让我再说一遍。
169Designer receptors exclusively activated by designer drugs.设计者受体完全由设计者药物激活.
170Right.对
171That actually tells you everything you need to know.这实际上告诉你所有你需要知道的。
172So if I am understanding this,所以,如果我明白这一点,
173the virus is kind of like a locksmith.病毒有点像锁匠
174I like where you are going with this.我喜欢你这样
175It goes into the sick brain cell进入病态脑细胞
176and it installs a brand new custom designer lock它安装了全新的自定义设计器锁
177on the cell door.在牢房的门上。
178That is a perfect analogy.这是一个完美的类比。
179Right?对吧?
180Yes.对
181But if you put a new lock on a door,但如果你把新锁在门上
182well, you need a key.你需要一把钥匙
183Exactly.没错
184You need a very specific designer key你需要一个非常具体的设计师钥匙
185to open that designer lock.打开那个设计师锁
186But before we talk about the key,但在我们讨论钥匙之前
187we have to talk about the door itself.我们得谈谈门本身
188What do you mean?你说什么?
189Well, having a fancy designer lock is totally useless那么,有一个漂亮的 设计师锁是完全无用的
190if you put it on the wrong door.如果你把它放错了门。
191The location of the injection is everything.注射地点就是一切
192Okay, so where exactly does the delivery truck go?好吧,那货车到底去哪了?
193The injection goes deep into a brain region注射深入大脑区域
194called the hippocampus.叫做河马营
195(原始内容存档于2018-09-21). Hippocampus.
196I know it's a part of the brain我知道这是大脑的一部分
197that is shaped a bit like a seahorse.形状有点像海马
198Yeah, that is actually what hippocampus means in Greek.是啊,这实际上是河马营的意思 在希腊语。
199What does the hippocampus actually do for us河马帮对我们有什么好处?
200on a normal day?在正常的一天吗?
201It is very important.这是非常重要的。
202It is the main center for forming new memories.它是形成新记忆的主要中心.
203It also handles your spatial awareness.它也处理你的空间意识。
204Spatial awareness.空间意识。
205Navigating your environment.导航你的环境。
206Okay, yeah.好吧,没错。
207And it also helps manage your emotions.这也有助于控制你的情绪。
208So it is a very critical part of the brain's power grid.所以它是大脑电网中非常关键的一部分。
209It is.没错
210But in these severe epilepsy patients,但是在这些严重的癫痫病人中
211the hippocampus is badly damaged.河马号受损严重
212From the seizures?从癫痫?
213Yes.对
214Those repeated electrical lightning strikes那些重复的电击
215hurt the tissue over time.伤了组织一段时间。
216The medical term for this damage is sclerosis.这种损伤的医学术语是硬化症.
217Sclerosis.S硬化.
218What does that mean exactly?这到底是什么意思?
219It basically means scarring and hardening基本上意味着伤疤和硬化
220of the brain tissue.脑组织。
221Oh, so the brain is actually getting scarred哦,所以大脑实际上是 疤痕
222from all the electrical storms.从所有的电暴。
223Right.对
224And here is the really unfair part.这是真正不公平的部分。
225It is a vicious cycle.这是一个恶性循环。
226How so?为什么?
227The seizures cause the scarring, right?癫痫导致疤痕,对不对?
228But then the scarring actually causes但后来的疤痕实际上导致了
229more seizures to happen.更多的癫痫发作。
230Wait, really?等等,真的吗?
231The damage causes more damage.损害造成更多的损害。
232Yeah.对
233The damaged scarred cells become very unstable.受损的疤痕细胞变得非常不稳定.
234They start firing off more and more他们开始开火了
235abnormal electrical signals.异常的电讯信号。
236So the disease literally feeds on itself.所以这个病是靠自己养活的。
237Wow.珃
238That is awful.这是可怕的。
239So the doctors send the virus delivery truck医生派了病毒运送车
240into this exact scarred area of the hippocampus.进入河马营的这个疤痕斑点
241Yes, right into the unstable zone.是的,正进入不稳定的区域。
242And the virus builds the new designer lock病毒造了新的设计师锁
243on those unstable cells.这些不稳定的细胞。
244But here is my question.但是这是我的问题。
245What stops the brain from accidentally picking the lock?是什么阻止大脑不小心摘锁?
246That is the genius part of the whole Dread system.这是整个毁灭体系的天才部分。
247The brain has normal chemicals大脑有正常的化学物质
248that open natural locks all the time.经常打开天然锁
249In this part of the brain,在大脑的这一部分,
250the normal chemical key is called acetylcholine.一般化学键称为乙酰胆碱。
251Acetylcholine.乙酰胆碱.
252So that is the normal everyday key.所以这是正常的日常钥匙。
253Right.对
254It handles everyday brain functions.它处理日常的大脑功能.
255But the normal key absolutely does not fit但是普通的钥匙绝对不适合
256this new designer door.这个新的设计师门。
257Oh, I see.原来如此
258Yeah.对
259The scientists specifically modified the new lock.科学家们专门修改了新锁.
260So acetylcholine just bounces right off it.所以乙酰胆碱会立刻弹出
261The normal brain signals are completely ignored正常的大脑信号被完全忽略了
262by the new lock.由新锁。
263Okay, so the lock is safe.好吧,所以锁是安全的。
264It is just waiting for the designer key.它只是在等待设计师的钥匙。
265So what is the key?那钥匙是什么?
266What chemical fits the lock?什么化学物适合锁?
267The key is a specific drug called clozapine.关键是一种特定的药物,叫做丁香松.
268Clozapine.克洛扎松(原变种).
269Is that a new experimental drug?那是一种新的实验药物吗?
270No, actually it is a very well-known drug.不,其实这是一个非常著名的药物。
271It is a standard pill这是标准的药丸
272that is usually given to treat schizophrenia.通常用于治疗精神分裂症。
273Really?真的吗?
274A schizophrenia pill.精神分裂药丸.
275Yes.对
276They are using an existing drug in a completely new way.他们正在以全新的方式使用现有药物。
277That is so smart.真聪明
278Okay, so how does taking this clozapine pill好吧,那怎么吃这药呢?
279actually stop a seizure?真正阻止了癫痫发作?
280What is the actual cellular mechanism here?真正的细胞机制是什么?
281Okay, think about the unstable scarred brain cell好吧,想想不稳定的疤痕脑细胞
282as a radio.作为无线电。
283Okay, radio.好吧,无线电。
284And this radio is playing way too loud.这收音机弹得太响了
285It is firing off too much electricity.电量太大了
286Got it.明白吗?
287When a patient feels a seizure coming on,当病人感到发作时
288they take a small dose of the clozapine pill.他们服用少量的丁香松药丸。
289The drug travels through the body and goes up to the brain.药行遍身而上至脑.
290And it finds the designer lock in the hippocampus.它发现设计师锁在河马营。
291Exactly.没错
292When the clozapine drug turns the lock,当丁香松药 打开锁,
293it opens up these tiny microscopic channels它打开这些微小的通道
294in the cell membrane.在细胞膜。
295And what do those tiny channels do?那些小频道是做什么的?
296They let specific ions flow in and out of the cell.它们让特定的离子进出细胞.
297And this instantly calms the cell down.这立即使牢房平静下来。
298It turns down the volume.其转低音量.
299Exactly.没错
300It literally turns down the electrical volume电量从字面上降低
301of that specific brain cell.特别的脑细胞
302So the cell becomes too quiet所以牢房变得太安静了
303to pass on the lightning strike.传递闪电打击。
304The abnormal signal hits the cell,异常信号击中细胞,
305but the cell just refuses to fire?但牢房拒绝开火?
306That is it, exactly.就是这样
307The lightning stops right there in its tracks.闪电就停在轨迹上
308The blackout never happens.断电永远不会发生。
309Wow.珃
310The science there is just incredibly elegant.那里的科学非常优雅
311I mean, building a custom lock with a virus我是说,用病毒建个定制锁
312and then using a specific pill然后用一种特殊的药丸
313to turn down the electrical volume.以关闭电量。
314It really is beautiful science.这真的是美丽的科学。
315But, you know, a theory on paper is one thing.但纸上的理论是一回事
316Testing it in a real human brain在真正的人脑中测试
317is a totally different story.这是一个完全不同的故事。
318Oh, absolutely.当然
319So have they actually tried this on living patients?他们真的对活的病人试过吗?
320Yes, they have.是的,他们有。
321And that is what the New England Journal of Medicine report这就是新英格兰医学杂志的报告
322is all about.就是这样
323It details the world's first human trial它详细介绍了世界上第一次人类审判
324for this specific method.用于这一具体方法。
325Oh, wow.哦,哇呜。
326The first in the world.世间第一.
327Who were the patients?谁是病人?
328They tested this on three young men.他们测试了3个年轻人。
329They were aged 28 to 37.他们的年龄为28至37岁。
330Okay, I am assuming they did not just test好吧,我想他们不只是测试
331experimental gene therapy on someone实验性基因治疗
332with a mild condition, right?身体温和,对吧?
333Not at all.一点也不
334These three men had incredibly severe epilepsy.这三人患了极其严重的癫痫病。
335They had suffered from constant terrible seizures他们经常遭受到可怕的抓获
336for anywhere from 10 to 25 years.10到25年的时间
33725 years?25岁?
338So they spent almost their whole lives所以他们花了几乎一辈子的时间
339just waiting for the next lightning strike.等待下一次闪电袭击
340Yeah, and they all had that stubborn refractory type是啊,他们都有 顽固的抗体类型
341of epilepsy we talked about earlier.我们刚才谈到的癫痫病
342So standard medicines did not work for them.所以标准药品对他们没有用。
343Right, they had all tried对,他们都试过了
344at least two different standard epilepsy drugs至少两种不同的癫痫药
345and the drugs failed completely.毒品完全失败了
346But they had not had the brain surgery yet.但他们还没有做脑部手术
347No, they had never had brain surgery.不,他们从来没有做过脑部手术。
348Okay, so they still had their full hippocampus intact,好吧,所以他们仍然有 完整的河马营完整无损,
349no tissue had been cut out.没有切掉任何组织。
350Exactly.没错
351That made them the perfect candidates让他们成为完美的候选人
352to try this new biological switch.尝试这个新的生物开关。
353So how did the trial actually work?审判到底怎么进行的?
354Walk me through the timeline.带我穿过时间线
355Sure, first the doctors did the minor surgery当然,先是医生做了小手术
356to inject the harmless virus.注射无害的病毒。
357Okay, installing the locks.好吧,安装锁。
358Right, then they waited for two weeks.对 然后他们等了两周
359Why wait two weeks?为什么要等两周?
360They needed the brain tissue to heal from the injection他们需要脑组织来治疗注射
361and they also needed time for the virus他们也需要时间去治疗病毒
362to give the genetic code and for the cells给出基因密码,并为细胞提供
363to actually build the physical designer locks.实际建造物理设计师锁。
364Makes sense and takes time to build new hardware.建造新的硬件需要时间和时间。
365Exactly.没错
366So after two weeks, they handed the men the designer key.两周后 他们把设计师的钥匙交给了他们
367They started giving them the clozapine pills.他们开始给他们吃大麻松药
368Okay, this is the big moment.好吧,这是重大的时刻。
369What happened to the seizures?癫痫发作的情况如何?
370The results were just staggering.结果是惊人的。
371Honestly, across all three men,老实说,所有三个男人,
372there's seizures dropped by an average of 92.6%.缉获量平均下降了92.6%。
373Wait, a 92% drop?等等,92%的减价?
374Yes, over 92%.是的,超过92%。
375That is an absolutely life-changing number.这是一个绝对改变生命的数字。
376I mean, that completely changes我的意思是,这完全改变
377how a person lives every single day.一个人的日常生活
378It really does.确实
379And if we look at the specific numbers,如果我们看看具体的数字,
380it is even more impressive.这更令人印象深刻。
381Let us hear them.让我们听到他们。
382So patient number one, before the trial,所以第一号病人 在审判前
383he was having an average of four and a half他平均有四个半
384violent seizures every single month.每个月都有暴发性癫痫
385So more than one a week.所以一周多一点
386Yeah.对
387After the treatment, after taking the clozapine,治疗后,在服用丁香松后,
388his average dropped to just 0.5 seizures a month.他平均每月只有0.5次发作
389So he went from having them weekly所以他从每周有他们
390to maybe one every two months.也许两个月一次
391Exactly.没错
392He practically got a normal life back.他几乎恢复了正常的生活
393That is amazing.这是惊人的。
394What about the other two patients?那另外两个病人呢?
395Well, patient number two actually had the best result.二号病人的成绩最好
396He was having four seizures a month before the trial.他在审判前一个月有四次发作
397And after?还有呢?
398After taking the key, the clozapine, he dropped to zero.在拿了钥匙,丁香松之后,他降为零.
399Zero.零点
400You mean the lightning strikes completely stopped?你是说闪电完全停止了?
401Completely stopped.完全停下来。
402Zero seizures.零发作.
403And patient number three had a very similar massive drop.而第三号病人也有非常相似的大幅下降。
404He also went from about four and a half seizures a month他还从大约四个半月的癫痫发作
405down to just 0.5, almost none.降到0.5,几乎无。
406Just amazing consistency for a first in human trial.人类审判中第一次的惊人一致性
407But this raises a very practical question for me.但这对我来说是一个非常实际的问题。
408Okay, what is that?好吧,这是什么?
409Well, we are dealing with human beings here, right?我们在对付人类,对吧?
410And human beings make mistakes all the time.而人常犯错.
411Very true.没错
412What happens if a patient just forgets如果病人忘记了怎么办
413to take their pill?吃药?
414Does the lock just stop working?锁停止工作了吗?
415That is a great question.问得好
416It is the ultimate test of the whole system.这是整个系统的最终考验。
417And we actually have the data to answer it.我们实际上有数据来回答它。
418Oh, we do?是吗?
419Yes, thanks to patient number three.是的,谢谢第三号病人。
420Let me guess.让我猜猜
421He missed a dose.他错过了一剂。
422He did.没错
423Patient number three stopped taking his clozapine pill3号病人停止服用丁香松药
424by accident.无意中
425It was just a completely unplanned mistake这只是个完全没有计划的错误
426during the trial.在审判期间。
427No.没有
428So without the designer drug to turn down the volume,所以没有设计师的药 关闭音量,
429the scarred cells became unstable again.伤疤细胞又变得不稳定了
430You guessed it.你猜对了
431He immediately suffered two breakthrough seizures.他立即遭受了两次突破性扣押。
432The lightning came right back.闪电马上回来
433Right back.马上回来
434I mean, while that is awful for the patient,虽然这对病人来说很可怕
435it must be incredibly valuable data for the scientists,这对科学家来说一定是非常宝贵的数据
436right?对吧?
437It is like a perfect natural experiment.这就像一个完美的自然实验。
438It really is.没错
439In science, we actually call it an ABA design.在科学中,我们称之为ABA设计。
440ABA设计.
441Yeah.对
442You have a baseline, which is A.你有一个基线,这就是A。
443Then you add a treatment, which is B.然后加上一个治疗,这就是B。
444And then you remove the treatment, going back to A.然后你去除治疗,回到A。
445I see.原来如此
446It is the strongest way to prove that a treatment is actually这是证明治疗方法最有力的方法
447what is causing the change.是什么导致了变化。
448Because I assume when he realized his mistake因为我猜当他意识到自己的错误
449and started taking the pill again,又开始吃药了
450the seizures stopped instantly.检查立即停止。
451He regained complete control right away.他马上恢复了完全的控制权.
452Wow.珃
453So that proves it.这证明了这一点。
454It proves it beyond any doubt.这无疑地证明了这一点。
455It proves the designer drug and the designer lock它证明了设计师的药和设计师的锁
456were truly doing the work.真正在做这项工作。
457It was not just a placebo effect.这不仅仅是安慰剂效应。
458It was the biological switch physically是生理开关
459turning the lightning off.关掉闪电
460OK.摆
461So we know the mechanism is completely solid.所以我们知道这个机制是完全坚实的。
462And we know it dramatically stops the seizures.而且我们知道它会大大阻止癫痫发作。
463But we always have to consider the cost但我们总得考虑一下成本
464to the patient's body, right?对病人的身体,对不对?
465Absolutely.当然
466Safety is huge.安全性是巨大的。
467What were the side effects of installing a new lock安装新锁的副作用是什么
468in the brain and taking this pill?在大脑和服用这个药丸?
469The safety data from the report is very encouraging.报告中的安全数据非常令人鼓舞。
470The side effects for all three men三个男人的副作用
471were classified as only mild or moderate.被归类为轻度或中度。
472So no severe reactions.所以,没有严重的反应。
473None.无。
474They handled the viral injection and the daily pills他们处理病毒注射和日常药丸
475without any major health issues at all.没有任何重大健康问题。
476That is great.这是伟大的。
477But more importantly, think about what they avoided.但更重要的是,想想他们回避了什么。
478You mean the surgery.你是说手术
479Yes.对
480They avoided irreversible permanent brain damage.他们避免了不可逆转的永久性脑损伤.
481No living tissue was cut out.没有切掉任何活体组织。
482The hippocampus remained fully intact for all three men.所有三人的河马都完好无损
483That is a massive victory for them.这对他们来说是一个巨大的胜利。
484But the human brain is highly adaptable.但人类大脑的适应性很强.
485True.没错
486Sometimes a drug works great for a month.有时药物能用一个月
487And then the brain just kind of figures out a way around it.然后大脑就想出了一个方法。
488It builds up a tolerance.建立宽容。
489Right, that is a common problem with standard epilepsy drugs.对,这是常见的癫痫药物问题
490Exactly.没错
491So how long did this success actually last for these men?这些人成功到底持续了多久?
492The research team monitored patient number one研究组监视第一号病人
493for a full 12 months, a whole year.整整12个月,一年。
494And the others?其他人怎么办?
495They tracked the other two men for eight months.他们跟踪了另外两人八个月.
496And the designer locks kept working the entire time.而设计师的锁一直运作着.
497Yes, they did.是的,他们做到了。
498The benefits did not fade at all.这些好处丝毫没有消失。
499The artificial switch remained active and completely effective人工开关仍然有效
500for the whole observation period.整个观察期间。
501That is incredible.这是不可思议的。
502So what happens next?接下来会发生什么?
503Well, the lead researcher, Zhao Guoguang,首席研究员赵国光
504states that this is the initial proof of concept.说明这是概念的初步证据。
505Meaning they proved it is possible.这意味着他们证明这是可能的。
506Exactly.没错
507It proves the whole DRED system works safely in humans.它证明了整个DRED系统在人类中安全工作.
508But the next phase will involve much larger studies.但是,下一阶段将涉及更大的研究。
509Because three people is a very small sample size.因为三个人是一个非常小的样本大小.
510Right.对
511They need to test this across a much more diverse group他们需要测试这个 更多样化的群体
512of patients to really confirm these amazing rates of success.来证实这些惊人的成功率
513You know, hearing all this, this feels much bigger你知道,听到这一切, 这感觉更大
514than just a new treatment for epilepsy.不只是治疗癫痫的新药
515Oh, it is.没错
516We are talking about a fundamental shift我们说的是根本转变
517in how we approach medicine.我们如何接近医学。
518Right.对
519It is a massive philosophical change.这是一个巨大的哲学变革。
520I mean, for decades, the standard medical approach我的意思是,几十年来,标准医学方法
521to a broken brain circuit was just destruction.脑电路断裂只是破坏
522Exactly.没错
523If a part of the brain misbehaved,如果大脑的一部分行为不当
524you just cut it out or you burned it with lasers.或者用激光烧掉它
525We treated the human brain like a broken machine part.我们把人类大脑当成一个破碎的机器
526But now we are moving from destruction to, well,但现在我们正从毁灭走向...
527precise control.准确的控制。
528We are finally learning the language of the brain.我们终于学会了大脑的语言。
529We are using genetic engineering to install new hardware.我们正在利用基因工程 安装新的硬件。
530And then we use simple chemistry to run the software.然后我们用简单的化学来运行软件。
531It really honors the complexity of the human body.它真的尊重人体的复杂性。
532Instead of tearing down the entire city block,而不是撕毁整个城市街区,
533we just installed a smart power grid.我们刚安装了一个智能电网
534That is exactly what we did.这正是我们所做的。
535And the best part, we handed the remote control最好的是,我们把遥控器交给了
536directly to the patient.直接给病人
537Right.对
538They just carry a normal bottle of pills.他们只是带着一瓶普通的药丸
539Yeah.对
540If they feel an aura coming on, an aura如果它们觉得有气息,有气息
541is the physical warning sign that a seizure is about to start.是一个实际的警告信号, 即扣押即将开始。
542They can just take a pill.他们只能吃药
543They finally have the power to stop the storm in themselves.他们终于有力量 阻止风暴本身。
544I mean, the psychological relief of simply having that control我的意思是,心理缓解 仅仅有这种控制
545back must be incredible.回来一定很不可思议
546Oh, imagine living for 20 years, never哦,想象20年的生活,从来没有
547knowing when you might collapse.知道你何时会崩溃
548And then suddenly, you have a manual override switch突然间,你有一个手动控制开关
549right in your pocket.就在你口袋里,我马上回来
550It gives them their dignity back.这让他们恢复了尊严。
551It really does.确实
552So let us bring all of this together for the listener.因此,让我们把所有这些集合起来,为听众服务。
553We explored a groundbreaking method我们探索了开创性的方法
554from China that basically combines从中国来的,基本上结合
555gene therapy with a common pill.用普通药丸进行基因治疗。
556They used a harmless virus to deliver new instructions他们用无害的病毒来传达新的指令
557to sick brain cells.给生病的脑细胞。
558And those instructions built a designer lock这些指示造了一个设计师锁
559on the cell's surface.在细胞表面。
560And doctors used a designer drug called医生使用一种设计师的药
561Clozapine, is the perfect key.克洛扎皮是完美的钥匙
562And when that key turns the lock, it calms the cell down.当那把钥匙打开锁, 它会让细胞平静下来。
563It lowers the electrical volume, and it prevents the seizure它能降低电量,能防止扣动
564from ever starting.从永远开始。
565It brought a 92% drop in seizures缉获量下降了92%
566for men who basically had no other hope.对于基本上没有其他希望的人。
567It is a stunning medical achievement.这是一个惊人的医学成就。
568It is.没错
569But, you know, this opens the door to something even bigger.但是,你知道,这打开了大门 更大的东西。
570What are you thinking?你在想什麽?
571Well, this trial focused entirely on epilepsy, right?这场审判完全专注于癫痫,对吧?
572The goal was to stop abnormal electrical discharges.目标是阻止异常的放电.
573Right.对
574But if we can now safely install artificial switches但如果我们现在可以安全安装人工开关
575in the human brain, what else could we turn off?在人类大脑里,还有什么可以关闭的?
576Oh, wow.哦,哇呜。
577That is a profound question, because we all这是一个深刻的问题,因为我们都
578have circuits in our brains that cause suffering.我们的大脑有电路 造成痛苦。
579Exactly.没错
580Consider chronic pain.考虑慢性疼痛。
581Millions of people suffer from severe pain signals数百万人遭受严重痛苦
582that simply will not stop.这绝对不会停止。
583Could scientists one day build a designer lock有一天科学家能造一个设计师锁
584on those specific pain pathways?在那些特定的疼痛路径?
585It is entirely possible.这完全有可能。
586You could theoretically just take a specific designer drug理论上你只要服用一种特制药
587and turn down the volume on your pain把疼痛的音量调低
588without having to rely on, say, highly addictive opioids.不需要依赖高度上瘾类阿片
589That would change millions of lives.这将改变数百万人的生命。
590Think about mental health.考虑一下心理健康
591What if we could install a switch如果我们可以安装一个开关
592in the fear centers of the brain?在大脑的恐惧中心?
593Like the amygdala?像阿米格达拉?
594Yeah.对
595Could a patient turn off a severe panic attack病人能解除严重的恐慌症
596right before it overwhelms them?在它覆盖他们之前?
597The potential applications are really endless.潜在的应用确实无穷无尽.
598We started today by comparing the brain我们从今天开始比较大脑
599to a complex city power grid.到一个复杂的城市电网。
600And for most of human history, we just stood in the dark对于人类的大部分历史, 我们只是站在黑暗中
601and watched the lightning strike.看着闪电袭击
602We could not stop the blackouts.我们不能阻止停电。
603But today, the story changed.但今天,情况发生了变化。
604We are no longer just watching the storm.我们不再只是看风暴。
605We are finally learning how to wire the city ourselves.我们终于学会了如何自己给这座城市电线。
606We are building our own switches.我们正在建造自己的开关。
607It really is an amazing time for medical science.这确实是医学科学的惊人时刻。
608It absolutely is.这是绝对的。
609Thank you for joining us for this deep dive谢谢你加入我们的深潜
610into the future of medicine.进入医学的未来。
611Keep questioning the world and keep exploring.不断质疑世界,不断探索.
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