Herceptin drug and breast cancer cell. Molecular model of Herceptin (Trastuzumab), showing the molecule's secondary structure, seen as alpha helices (coils) and beta sheets (arrows). A breast cancer cell is at lower left (pink). Herceptin binds to HER2 (human epidermal growth factor receptor 2), a receptor that is over-expressed in some breast cancer cells, making them grow faster and more likely to spread. Herceptin blocks HER2, which kills the breast cancer cells. Around a fifth of breast cancers result from cells that over-express HER2, making them viable for Herceptin treatment.

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TOP06658368

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達志影像

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RM

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須由TPG 完整授權

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