Role of M1-polarized tumor-associated macrophages in the prognosis of advanced ovarian cancer patients

被引：114
作者：
Macciò A. [1 ]
Gramignano G. [2 ]
Cherchi M.C. [3 ]
Tanca L. [3 ]
Melis L. [4 ]
Madeddu C. [5 ]
机构：
[1] Department of Gynecologic Oncology, Azienda Ospedaliera Brotzu, Cagliari
[2] Medical Oncology Unit, “Nostra Signora di Bonaria” Hospital, San Gavino
[3] Department of Medical Oncology, Azienda Ospedaliera Brotzu, Cagliari
[4] Department of Nuclear Medicine, Azienda Ospedaliera Brotzu, Cagliari
[5] Department of Medical Sciences and Public Health, University of Cagliari, Cagliari
来源：
Scientific Reports | / 10卷 / 1期
关键词：
D O I：
10.1038/s41598-020-63276-1
中图分类号：
学科分类号：
摘要：
The identification of prognostic and predictive markers is crucial for choosing the most appropriate management method for ovarian cancer patients. We aimed to assess the prognostic role of tumor-associated macrophage (TAM) polarization in advanced ovarian cancer patients. We carried out a prospective observational study that included 140 consecutive patients with advanced-stage high-grade serous ovarian cancer as well as patients with other histotypes of ovarian cancer and patients with ovarian metastasis from other sites between June 2013 and December 2018. Patients were enrolled at the time of laparoscopic surgery before receiving any antineoplastic treatment. We found that patients with high-grade serous papillary ovarian cancers had a prevalence of M1 TAMs, a higher M1/M2 ratio, and a longer overall survival (OS) and progression-free survival (PFS) than other patients. Regression analysis confirmed that there was a significant positive association between the M1/M2 ratio and an improved OS, PFS and platinum-free interval (PFI), both in the entire population and in patients stratified according to tumor type and initial surgery. Kaplan-Meier analysis was performed after the patients were divided into 2 groups according to the median M1/M2 ratio and revealed that patients with a high M1/M2 ratio had a higher OS, PFS and PFI than those with a low M1/M2 ratio. In conclusion, the prognostic and predictive role of TAM polarization in the tumor microenvironment could be of great clinical relevance and may allow the early identification of patients who are likely to respond to therapy. Further studies in a larger prospective sample are warranted. © 2020, The Author(s).
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