Four weeks after treatment with tamoxifen, protein was extracted from the aortic media of Tgfbr2 flox flox mice that either lacked Acta2 Cre 0 0 and Myh11 Cre 0 0 or expressed a Cre ER T2 transgene Acta2 Cre 0 and Myh11 Cre 0
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