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Tumor-associated macrophages and crown-like structures in adipose tissue in breast cancer

 Yoon Jin Cha  ;  Eun-Sol Kim  ;  Ja Seung Koo 
 Breast Cancer Research and Treatment, Vol.170(1) : 15-25, 2018 
Journal Title
 Breast Cancer Research and Treatment 
Issue Date
Adipocyte ; Breast ; Cancer ; Crown-like structure ; Macrophage
PURPOSE: We aimed to evaluate macrophage infiltration and to identify the status of crown-like structures (CLSs) in mammary adipose tissue of human breast tissue in cases with and without breast cancer. METHODS: Breast adipose tissue was obtained from reduction mammoplasty (N = 56, Group 1), non-neoplastic breast tissue of breast cancer patients (N = 84, Group 2), and breast cancer with adipose stroma (N = 140, Group 3). Immunohistochemical staining of CD68 and CD163 was performed, and the infiltrating macrophages and CLSs within breast adipose tissue were evaluated. RESULTS: Group 3 had the largest number of CD68-positive (CD68(+)) and CD163-positive (CD163(+)) macrophages and CLSs within adipose tissue (P < 0.001). Among Group 3, cases with high levels of CD68(+) and CD163(+) macrophages commonly had a higher histologic grade (P = 0.016 and P = 0.045), and cases with CD163(+) CLSs were correlated with old age (P = 0.042), estrogen receptor negativity (P = 0.013), human epidermal growth factor receptor-2 positivity (P = 0.043), and non-luminal A type (P = 0.039). Upon univariate analysis, high levels of CD163(+) macrophages were associated with shorter disease-free survival in node-negative breast cancer patients (P = 0.033), and CD68(+) CLSs were associated with shorter overall survival in node-positive breast cancer patients (P = 0.015). CONCLUSIONS: CD68(+) and/or CD163(+) tumor-associated macrophage infiltration as well as CLSs are present in adipose tissue nearby the breast cancer lesion, and are associated with various clinicopathologic parameters of breast cancer.
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1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Koo, Ja Seung(구자승) ORCID logo https://orcid.org/0000-0003-4546-4709
Cha, Yoon Jin(차윤진) ORCID logo https://orcid.org/0000-0002-5967-4064
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