Functional imaging of multidrug resistance in breast cancer.


Intrinsic or acquired multidrug resistance is the major cause of treatment failure in many human cancers. Multiple cellular mechanisms may contribute to the development of multidrug resistance including overexpression of P-glycoprotein (Pgp). The use of 99mTc-labeled lipophilic cations, which are transport substrate of Pgp, raised the possibility to predict… (More)


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