个性化疫苗给脑肿瘤病人带来新希望 分享到:
New hope for brain cancer patients 2018-10-1645881

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This is a glioblastoma.
这是一个恶性胶质瘤。
It was found three years ago in Nigels brain.
三年前在奈杰尔的大脑里被发现。
Now all traces appear to have gone.
但现在肿瘤的所有痕迹似乎已经消失了。
Nigel is a patient at Londons Kings College Hospital.
奈杰尔是伦敦国王学院医院的一名病人。
And one of more than 300 volunteers on a trial of a personalised vaccine.
他也是三百多位自愿参加一项个性化疫苗试验患者中的一员。
The trial extended average survival from 17 to 23 months.
这个试验将患者的平均存活时间从17个月延长到了23个月。
One in three patients survived for 40 months.
平均每三位患者中有一位存活了40个月。
And a few are still alive seven years on.
还有一些患者七年过后仍存活。
So how does the treatment work?
那么这个治疗方法是如何起作用的呢?
First surgeons remove the patients tumour.
首先,外科医生切除病人的肿瘤。
They mix it with cells from their immune system.
接着把肿瘤和病人免疫系统中的细胞混合。
Once outside the brain, the tumour cannot hide from the bodys defences.
肿瘤在被切除后就不能躲避病人自身的防御系统。
And the immune cells learn to attack it.
从而免疫细胞将学会如何抵抗它。
These cells are turned into a personalised vaccine, individual to each patient who receives it.
这些细胞被制成个性化疫苗,每位患者都有自己的疫苗。
Kat Charles was not part of the trial.
凯特·查尔斯没有参与这个试验。
So she paid to have the vaccine privately three years ago.
所以她三年前开始自己付钱购买疫苗。
Every six months, she has a top-up injection.
每六个月,她就会注射一针。
And so far, theres no trace of her tumour.
到目前为止,没有发现肿瘤的痕迹。
3,000 people a year in the UK are diagnosed with glioblastoma.
在英国,每年有三千多人被诊断患有恶性胶质瘤。
So an effective immunotherapy vaccine would be a significant advance in the treatment of brain cancer.
因此,有效的免疫治疗疫苗将是脑肿瘤治疗的重大突破。

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练习题
Question:
Which two things are used to make the personalised vaccine?
A The patient's tumour and cells from their own immune system.
B The patient's healthy cells from their own immune system.
C We don't know.
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