Expression profile of the microenvironment of morphological structures in luminal breast cancer
- Authors: Tashireva L.A1, Gerashchenko T.S1, Zolotareva S.Y.1, Perelmuter V.M1
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Affiliations:
- Cancer Research Institute, Tomsk National Research Medical Center of the RAS
- Issue: Vol 17, No 1 (2022)
- Pages: 31-37
- Section: Articles
- URL: https://genescells.ru/2313-1829/article/view/121897
- DOI: https://doi.org/10.23868/202205006
- ID: 121897
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Abstract
In breast cancer, the predictive value of tumor microenvironment parameters differs depending on the molecular subtype. Multidirectional significance may be reflection of heterogeneity of invasive breast carcinoma and requires further study. Significance of the tumor microenvironment in the formation and determination of the properties of various morphological structures is still not fully understood. The aim of the study is to determine the differences in the expression profile of the microenvironment of various morphological structures of breast cancer. 84 patients with breast cancer (T1-3N0-3M0) were included in the study of tumor-infiltrating lymphocytes level in microenvironment of different morphological structures. Microdissected samples of the microenvironment of different morphological structures sequenced using NextSeq500 (Illumina). CIBERSORT analysis was performed to deciphered the cellular composition of the microenvironment of each type of the structures. The microenvironment of all morphological structures was quite diverse in terms of cellular composition. The microenvironment of the single tumor cells exhibits pronounced pro-tumor properties, including expression of the IL1B gene, activation of inflammatory signaling pathways, increased signature of M2 macrophages. The results shown the role of the microenvironment of single tumor cells in breast cancer distant metastasis.
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About the authors
L. A Tashireva
Cancer Research Institute, Tomsk National Research Medical Center of the RAS
T. S Gerashchenko
Cancer Research Institute, Tomsk National Research Medical Center of the RAS
S. Yu Zolotareva
Cancer Research Institute, Tomsk National Research Medical Center of the RAS
V. M Perelmuter
Cancer Research Institute, Tomsk National Research Medical Center of the RAS
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