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The Correlation of Cd19 + Cd24 + Cd38 + B Cells and Other Clinicopathological Variables With the Proportion of Circulating Tregs in Breast Cancer Patients Publisher Pubmed



Gheybi MK1 ; Farrokhi S2 ; Ravanbod MR3 ; Ostovar A4 ; Mehrzad V5 ; Nematollahi P6
Authors
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Authors Affiliations
  1. 1. Persian Gulf Tropical Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
  2. 2. Department of Immunology, Persian Gulf Tropical Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
  3. 3. Department of Hematology and Oncology, Bushehr University of Medical Sciences, Bushehr, Iran
  4. 4. Department of Epidemiology, Persian Gulf Tropical Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
  5. 5. Department of Hematology and Oncology, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Department of Cancer Pathology, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Breast Cancer Published:2017


Abstract

Background: T regulatory cells (Tregs) are known to negatively control immune response. The frequency of these cells was inversely correlated with clinical outcomes of breast cancer. CD19+CD24hiCD38hi cells also play a critical role in inflammation and autoimmune disease. However, their function in tumor immune response is less studied. In this study we aimed to determine the role of CD19+CD24hiCD38hi cells and some other clinicopathological variables in increasing the proportion of Tregs in breast cancer patients. Methods: We selected 47 patients with invasive ductal breast carcinoma and 50 healthy controls and obtained their blood samples. Results: The proportion of circulating CD4+CD25+Foxp3+ Tregs and CD19+CD24hiCD38hi cells was significantly increased in breast cancer patients. We also found that increased proportion of Tregs in breast cancer is correlated with HER2 amplification, advanced clinical stages, serum TGF-β1 and increased CD19+CD24hiCD38hi cells in the peripheral blood. Conclusion: Altogether, our data suggest that as much as Tregs, CD19+CD24hiCD38hi B cells could also have a part in the suppression of immune response in breast cancer. © 2017, The Japanese Breast Cancer Society.
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