Of the KRAS mutations detected, 17% were outside of codons 12 and 13.

KRAS的基因突变中，我们检测到17%是位于12号和13号密码子以外的。

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About 30 percent of human lung cancer patients have mutations in Kras.

大约30%的人类肺癌病人有Kras突变。

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About 40% of these patients have a KRAS gene mutation, and respond poorly to such antibodies.

约40%患者有KRAS基因突变而对这类抗体反应很差。

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But the mutations apparently cause kras to become permanently stuck in the "on" position.

FORBES: ImClone's Gene Test Battle

Amgen has published a big study showing that its Vectibix only works in patients with normal kras.

FORBES: ImClone's Gene Test Battle

Already, big hospitals like Memorial Sloan-Kettering are gearing up to do kras testing on all their colon patients.

FORBES: ImClone Gets Targeted