Abstract

Individual cells are known to behave differently than their whole populations of cells. The present work focused on proteins that control cancer invasiveness. Individual Dicer siRNA knockdown of HER4, CDC42, and E-cadherin decreased MMP1 mRNA levels in SCP2, a cancer single-cell progeny that is highly metastatic to bone and adrenal gland. Individual knockdown of β-catenin, CDC42, HER3, and the γ catalytic subunit of PI3K raised MMP1 mRNA levels in SCP21, a single-cell progeny of the same tumor and patient, with low metastasis to bone and adrenal.

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