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  • Novel metabolic adaptation promotes enhanced macrophage efferocytosis under a limited-oxygen environment

    Authors
    Wang, Ya-Ting
    Trzeciak, Alissa J.
    Rojas, Waleska Saitz
    Saavedra, Pedro
    7 more author(s)...
    Description

    Summary from GEO: "Apoptotic cell clearance (efferocytosis), a process essential for organismal homeostasis, is performed by phagocytes that inhabit a wide range of environments, including physiologic hypoxia. Here, we find macrophages, the predominant tissue-resident phagocyte, display enhanced efferocytosis under chronic hypoxia, characterized by increased internalization and accelerated degradation...

    Subject
    Efferocytosis
    Hypoxia
    Macrophages
    MicroRNAs
    Pentose Phosphate Pathway
    Access Rights
    Free to All
  • A paracrine IGF1/IGF1R-PI3K signaling loop underlies resistance to CSF-1R inhibition in GBM

    Authors
    Bowman, Robert L.
    Quail, Daniela F.
    Joyce, Johanna A.
    Description

    Summary from GEO: "Glioblastoma multiforme (GBM) is the most aggressive form of glioma, and is notorious for its terminal prognosis and lack of responsiveness to current treatment approaches. The brain tumor microenvironment (TME) represents a largely untapped reservoir of therapeutic target options in GBM. Here we have focused on the interplay between glioma cells and tumor-associated macrophages/...

    Subject
    Drug Therapy, Combination
    Glioblastoma
    Macrophages
    Neoplasm Recurrence, Local
    Phosphoinositide-3 Kinase Inhibitors
    Receptor, IGF Type 1
    Tumor Microenvironment
    Access Rights
    Free to All
  • Microenvironment-driven IGF-1R/PI3K signaling underlies acquired resistance to CSF1R inhibition in gliomas (CGH)

    Authors
    Bowman, Robert L.
    Quail, Daniela F.
    Schuhmacher, Alberto J.
    Joyce, Johanna A.
    Description

    Summary form GEO: "Macrophages accumulate with glioblastoma multiforme (GBM) progression, and can be acutely targeted via inhibition of colony stimulating factor-1 receptor (CSF-1R) to regress high-grade tumors in animal models. However, whether and how resistance emerges in response to sustained CSF-1R blockade is unknown. Here, we investigate whether long-term CSF-1R inhibition can stably regress...

    Subject
    Drug Therapy, Combination
    Glioblastoma
    Macrophages
    Neoplasm Recurrence, Local
    Phosphoinositide-3 Kinase Inhibitors
    Receptor, IGF Type 1
    Tumor Microenvironment
    Access Rights
    Free to All