Immunity Quiz (2) Biology AS & A Level
CIE
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 11: Immunity
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
omer uner T-lymphocytes have a protein, PD-1, on their surface. Some cancer cells have a receptor molecule on their surface which binds with PD-1, inactivating the T-lymphocyte.
A monoclonal antibody, lambrolizumab, has been produced against this receptor.
Trials showed that in 54 of 135 people with advanced skin cancer who were given lambrolizumab the tumours more than halved in volume. In six of the 57 people who were given the highest dose the tumours disappeared.
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