5 年前
视频简介
'JFK: Seven Days That Made a President' investigates the seven key days in JFK's life that helped shape his character and have come to define him. They include the day he nearly died as a teenager from a mystery illness| the day, as a PT boat captain his boat was sunk by a Japanese destroyer killing two of his crew| the first televised presidential debate with Richard Nixon, hi...。描述著名醫生丹尼斯史萊門研製一種治療乳腺癌的新藥"賀癌平"(Herceptin)的感人過程。HER-2是細胞上的一個生長因子接受體，它可以接受訊息而加速細胞的生長與分裂。一般認為HER-2大量增加，可能會增強癌細胞繁殖能力。史萊門醫師在基因科技公司發展一個對抗HER-2的新藥，這是已經人類化的抗HER-2單株抗體，定名為賀癌平。史萊門從1995年6月到1997年3月收集了469位HER-2高度表現的轉移性乳癌來評估賀癌平和化學治療併用的效果。。
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儿童益智
周边