Leptin (LEP) binds to the long form of the leptin receptor (LEPRb), leading to the activation of multiple signaling pathways that are potential targets for disrupting the obesity–breast cancer link. In triple-negative breast cancer (TNBC), LEP is hypothesized to predominantly mediate its tumorigenic effects via a subpopulation of LEPRb-positive tumor cells termed cancer stem cells (CSCs) that can initiate tumors and induce tumor progression. Previously, we showed that LEP promotes CSC survival in vivo. Moreover, silencing LEPRb in TNBC cells compromised the CSC state. The mechanisms by which LEPRb regulates TNBC CSC intracellular signaling are not clear. We hypothesized that activation of LEPRb signaling is sufficient to drive CSC maintenance in TNBC. Here, we show that activation of...
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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,