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MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma

  • Authors:
    • Jingwei Jiang
    • Qingmin Gao
    • Tian Wang
    • Hao Lin
    • Qiong Zhan
    • Zhaohui Chu
    • Ruofan Huang
    • Xinli Zhou
    • Xiaohua Liang
    • Weijian Guo
  • View Affiliations / Copyright

    Affiliations: Department of Oncology, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China, Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China
    Copyright: © Jiang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 4567-4574
    |
    Published online on: October 13, 2016
       https://doi.org/10.3892/mmr.2016.5845
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Abstract

Myeloid-derived suppressor cells (MDSCs) are a group of heterogeneous myeloid cells that can suppress antitumor immunity. MDSCs are divided into granulocytic (G‑MDSCs) and monocytic subsets. In the present study, the microRNA profiles of the G‑MDSCs were determined and the differential expression of microRNAs between G‑MDSCs from tumor‑bearing mice and tumor‑free mice was examined. The number of G‑MDSCs in spleens of Lewis lung carcinoma (LLC)‑bearing mice was ~6‑fold higher than in spleens of normal mice (13.54±1.74% vs. 2.14±1.44%; P<0.01) and G‑MDSCs account for about 72.9% of all MDSCs. The microRNA (miRNA) profiles of the G‑MDSCs from spleen of LLC‑bearing mice were obtained using a microRNA microarray and compared with their counterparts from spleens of tumor‑free mice. A total of 43 miRNAs with >1.3‑fold increased or decreased change were differentially expressed between the experimental and control group mice. The levels of nine of these differentially expressed miRNAs, miRNA‑468 (miR‑486), miR‑192, miR‑128, miR‑125a, miR‑149, miR‑27a, miR‑125b, miR‑350 and miR‑328, were also analyzed by RT‑qPCR to validate the microarray data. The concordance rate between the results tested by the two methods was 88.9%. Bioinformatics analyses revealed that these miRNAs may act on various target genes, including Adar, Pik3r1, Rybp and Rabgap1, to regulate the survival, differentiation and the function of tumor‑induced granulocytic MDSCs. The results revealed microRNAs and potential targets that may be vital for regulating survival, differentiation and function of G‑MDSCs induced by LLC. Further investigation should be performed to clarify the roles of these microRNAs in regulating LLC‑induced granulocytic MDSCs and the target genes that mediate their functions.
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Copy and paste a formatted citation
Spandidos Publications style
Jiang J, Gao Q, Wang T, Lin H, Zhan Q, Chu Z, Huang R, Zhou X, Liang X, Guo W, Guo W, et al: MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma. Mol Med Rep 14: 4567-4574, 2016.
APA
Jiang, J., Gao, Q., Wang, T., Lin, H., Zhan, Q., Chu, Z. ... Guo, W. (2016). MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma. Molecular Medicine Reports, 14, 4567-4574. https://doi.org/10.3892/mmr.2016.5845
MLA
Jiang, J., Gao, Q., Wang, T., Lin, H., Zhan, Q., Chu, Z., Huang, R., Zhou, X., Liang, X., Guo, W."MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma". Molecular Medicine Reports 14.5 (2016): 4567-4574.
Chicago
Jiang, J., Gao, Q., Wang, T., Lin, H., Zhan, Q., Chu, Z., Huang, R., Zhou, X., Liang, X., Guo, W."MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma". Molecular Medicine Reports 14, no. 5 (2016): 4567-4574. https://doi.org/10.3892/mmr.2016.5845
Copy and paste a formatted citation
x
Spandidos Publications style
Jiang J, Gao Q, Wang T, Lin H, Zhan Q, Chu Z, Huang R, Zhou X, Liang X, Guo W, Guo W, et al: MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma. Mol Med Rep 14: 4567-4574, 2016.
APA
Jiang, J., Gao, Q., Wang, T., Lin, H., Zhan, Q., Chu, Z. ... Guo, W. (2016). MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma. Molecular Medicine Reports, 14, 4567-4574. https://doi.org/10.3892/mmr.2016.5845
MLA
Jiang, J., Gao, Q., Wang, T., Lin, H., Zhan, Q., Chu, Z., Huang, R., Zhou, X., Liang, X., Guo, W."MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma". Molecular Medicine Reports 14.5 (2016): 4567-4574.
Chicago
Jiang, J., Gao, Q., Wang, T., Lin, H., Zhan, Q., Chu, Z., Huang, R., Zhou, X., Liang, X., Guo, W."MicroRNA expression profiles of granulocytic myeloid‑derived suppressor cells from mice bearing Lewis lung carcinoma". Molecular Medicine Reports 14, no. 5 (2016): 4567-4574. https://doi.org/10.3892/mmr.2016.5845
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