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    Comparison of myeloid cells in circulation and in the tumor microenvironment of patients with colorectal and breast cancers.

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    Authors
    Toor, S
    Elkord, Eyad
    Affiliation
    Cancer Research Center, Qatar Biomedical Research Institute, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar.
    Issue Date
    2017
    
    Metadata
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    Abstract
    We have previously reported levels of myeloid cells in the periphery and in the tumor microenvironment (TME) of patients with primary breast cancer (PBC) and colorectal cancer (CRC). We found that both PBC and CRC patients have significantly higher levels of granulocytic and immature myeloid cells in the TME. Additionally, we reported an expansion of circulating granulocytic myeloid cells in CRC patients, but not in PBC patients. In this report, we compared levels of myeloid cells between these two common cancers and have added data from more cancer patients. We also investigated associations between clinical stage/histological grade of tumors and levels of myeloid cells in cancer patients. We found that although granulocytic myeloid cells were expanded in the TME of both PBC and CRC patients, the levels of these cells were significantly higher in the TME of CRC patients. Moreover, our results indicate that increased levels of circulating granulocytic myeloid cells are associated with poorly differentiated tumors in CRC patients. Taken together, this work suggests that CRC patients may benefit more from the development of therapeutic agents to promote myeloid cell differentiation or inhibition for the reversal of immune suppression.
    Citation
    Comparison of myeloid cells in circulation and in the tumor microenvironment of patients with colorectal and breast cancers. 2017, 2017:7989020 J Immunol Res
    Journal
    Journal of Immunology Research
    URI
    http://hdl.handle.net/10541/620797
    DOI
    10.1155/2017/7989020
    PubMed ID
    29230424
    Type
    Article
    Language
    en
    ISSN
    2314-7156
    ae974a485f413a2113503eed53cd6c53
    10.1155/2017/7989020
    Scopus Count
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    All Paterson Institute for Cancer Research

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