Distribution of tumor-associated macrophages and M1/M2 polarization in different types and grades of ovarian tumors

Authors : Rusudan Devadze, Arsen Gvenetadze, George Burkadze, Shota Kepuladze

DOI : 10.18231/j.ijpo.2022.076

Volume : 9

Issue : 4

Year : 2022

Page No : 318-321

Ovarian cancer represents one of the major causes of gynaecologic cancer mortality worldwide. Tumor-associated macrophages (TAM) are associated with the development and progression of ovarian cancer. TAMs are mainly represented by two types M1 and M2. We investigated the distribution of total, M1, M2 macrophages, tumor cell/macrophage ratio and M1/M2 ratio in mucinous and serous ovarian tumors. The study results showed that total TAM count is significantly higher in serous ovarian tumors, compared to mucinous tumors and the highest infiltration rate is detected in high-grade serous ovarian carcinomas. In addition, the number of M2 macrophages is significantly increased in higher-grade serous ovarian carcinomas. The evaluation of tumor/cell macrophage ratio could be used as an objective measure of macrophage infiltration in ovarian tumors.
 

Keywords: Tumor-associated macropages, Ovarian cancer, Tumor microenvironment.


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