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2014 | 1 | 1 |

Article title

An Orchestrated Response To Tumor Signals
By Macrophages and Mesenchymal Stem
Cells Potentiates Interleukin-6 Secretion In


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The tumor microenvironment plays a critical
role in the survival, growth, invasion, and metastasis
of solid tumors. However, the mechanisms by which it
influences these aspects of tumor progression remain
incompletely characterized. In this study, we show that
human glioblastoma cells secrete soluble factors that
alter the phenotype and cytokine secretion profile of
both macrophages and mesenchymal stem cells (MSCs).
Macrophages and MSCs respond to tumor-secreted factors
by increasing the release of interleukin-6 (IL-6) and this
response is potentiated when macrophages and MSCs
are combined in co-culture. In glioblastoma, IL-6 has
been associated with tumor cell invasion, angiogenesis,
tumor cell proliferation, immune suppression, and poor
prognosis. Our results suggest that the orchestrated
response of macrophages and stromal elements to
neoplastic cells enhances tumor progression through the
release of soluble factors.







Physical description


10 - 12 - 2014
25 - 8 - 2014
6 - 10 - 2014


  • Departments of Pharmacology, The Cancer Institute
    of New Jersey, Robert Wood Johnson Medical School, University of
    Medicine and Dentistry of New Jersey, New Brunswick, NJ USA
  • Departments of Pediatrics and
    Pharmacology, The Cancer Institute of New Jersey, Robert Wood
    Johnson Medical School, University of Medicine and Dentistry of
    New Jersey
  • Pediatric Oncology Branch, National Cancer Institute,


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