alexa Assessment of Cytokine mRNA Expression Profiles in Tumor Microenvironment and Peripheral Blood Mononuclear Cells of Patients with High-grade Serous Carcinoma of the Ovary
ISSN: 1948-5956

Journal of Cancer Science & Therapy
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Research Article

Assessment of Cytokine mRNA Expression Profiles in Tumor Microenvironment and Peripheral Blood Mononuclear Cells of Patients with High-grade Serous Carcinoma of the Ovary

Pernilla Israelsson1,2, Alireza Labani-Motlagh1, Ivan Nagaev1, Eva Dehlin1, Olga Nagaeva1, Eva Lundin3, Ulrika Ottander2 and Lucia Mincheva-Nilsson1*

1Departments of Clinical Microbiology/Clinical Immunology, Umeå University, Umeå, Sweden

2Departments of Obstetrics and Gynecology, Umeå University, Umeå, Sweden

3Departments of Medical Biosciences/Pathology, Umeå University, Umeå, Sweden

*Corresponding Author:
Lucia Mincheva-Nilsson
Departments of Clinical
Microbiology/Clinical Immunology, Umeå University, Umeå
Sweden
Tel: 46907852237
E-mail: [email protected]

Received date: May 02, 2017; Accepted date: May 19, 2017; Published date: May 22, 2017

Citation: Israelsson P, Labani-Motlagh A, Nagaev I, Dehlin E, Nagaeva O, et al. (2017) Assessment of Cytokine mRNA Expression Profiles in Tumor Microenvironment and Peripheral Blood Mononuclear Cells of Patients with High-grade Serous Carcinoma of the Ovary. J Cancer Sci Ther 9:422-429. doi: 10.4172/1948-5956.1000453

Copyright: © 2017 Israelsson P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: Tumor establishment, metastatic spreading and poor survival in ovarian cancer is strongly associated with progressive derangement of the patient’s immune system. Accumulating evidence suggests that immune impairment is influenced by the production and presence of cytokines in the tumor microenvironment. Methods: Cytokine mRNA profiles in tumor tissue and peripheral blood mononuclear cells (PBMC) were analyzed in patients with high grade serous carcinoma (HGSC) of the ovary and compared it to patients with benign ovarian conditions and controls with normal ovaries. Cytokine assessment was done by real-time quantitative RT-PCR and specific primers and probes for 12 cytokines-IFN-γ, IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-15, TNF-α, TNF-β/LTA, TGF-β1, and GM-CSF chosen to distinguish between cytotoxic Th1, humoral Th2, regulatory Th3/Tr1 and inflammatory responses. Results: The cytokine mRNA response in the HGSC patients was significantly up regulated compared to patients with benign ovarian conditions and normal ovary controls confirming the immunogenicity of HGSC and implying immune recognition and reaction locally in the tumor microenvironment and systemically in the peripheral blood.There was an up-regulation of inflammatory and inhibitory cytokine mRNA promoting tumor progression, T-regulatory cell priming and T-regulatory cell-mediated immune suppression. In contrast, there was an inability to mount the crucially important IFN gamma response needed for upregulation of the cytotoxic anti-tumor response in the local microenvironment. In addition, systemic IL-4- mediated Th2 response prevailed in the peripheral blood deviating the systemic defense towards humoral immunity. Conclusions: Taken together, these results suggest local and systemic cytokine cooperation promoting tumor survival, progression and immune escape. Our study confirms and extends previous investigations and contributes to the evaluation of potential cytokine candidates for diagnostic cytokine mRNA profiles and for future therapeutic interventions based on cytokine inhibition.

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