Exosomes could target specific cell types or tissues so exosome delivery may improve efficacy and reduce off-target effects.

外泌体可以靶向特定的细胞类型或组织，这样的外泌体输送可能会提高疗效，减少脱靶效应。

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Guarente feels that drugs that target SIRT1 might slow aging and have wide effects on other, more testable diseases, such as cancer and heart disease.

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When taxes target the top 50 percent, they have spillover effects to everyone else.

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Such cancer targeted therapies, it was hoped, would pinpoint cancer's weak points and target them, resulting in greater efficacy and fewer side effects.

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