Polarization of M2 Macrophages by Interaction between Prostate Cancer Cells Treated with Trichomonas vaginalis and Adipocytesopen access
- Authors
- Chung, Hyo-Yeoung; Kim, Jung-Hyun; Han, Ik-Hwan; Ryu, Jae-Sook
- Issue Date
- Jun-2020
- Publisher
- KOREAN SOC PARASITOLOGY, SEOUL NATL UNIV COLL MEDI
- Keywords
- Tichomonas vaginalis; prostate cancer; adipocyte; macrophage; M2 polarization
- Citation
- KOREAN JOURNAL OF PARASITOLOGY, v.58, no.3, pp.217 - 227
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- KOREAN JOURNAL OF PARASITOLOGY
- Volume
- 58
- Number
- 3
- Start Page
- 217
- End Page
- 227
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/145596
- DOI
- 10.3347/kjp.2020.58.3.217
- ISSN
- 0023-4001
- Abstract
- Trichomonas vaginalis causes inflammation of the prostate and has been detected in tissues of prostate cancers (PCa), prostatitis and benign prostatic hyperplasia. Obesity is a risk factor for PCa and causes a chronic subclinical inflammation. This chronic inflammation further exacerbates adipose tissue inflammation as results of migration and activation of macrophages. Macrophages are the most abundant immune cells in the PCa microenvironment. M2 macrophages, known as Tumor-Associated Macrophages, are involved in increasing cancer malignancy. In this study, conditioned medium (TCM) of PCa cells infected with live trichomonads contained chemokines that stimulated migration of the mouse preadipocytes (3T3-L1 cells). Conditioned medium of adipocytes incubated with TCM (ATCM) contained Th2 cytokines (IL-4, IL-13). Macrophage migration was stimulated by ATCM. In macrophages treated with ATCM, expression of M2 markers increased, while M1 markers decreased. Therefore, it is suggested that ATCM induces polarization of M0 to M2 macrophages. In addition, conditioned medium from the macrophages incubated with ATCM stimulates the proliferation and invasiveness of PCa. Our findings suggest that interaction between inflamed PCa treated with T. vaginas and adipocytes causes M2 macrophage polarization, so contributing to the progression of PCa.
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