American journal of reproductive immunology (New York, N.Y. : 1989) · 2024
Cytotoxic T Lymphocytes, Tc17 Cells, Th1 Cells, and ThGM Cells are Increased in the Blood and Ectopic Endometrium of Patients With Adenomyosis.
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Zhang Li, Zhu Lei, Che Pengfei, Sun Xiaoyan, Guo Yupeng, Gao Mingjie, Wang Junjie
Аннотация
PROBLEM: Adenomyosis (AM) is associated with immune response and inflammation. However, the role of T cell subsets in AM development has not been thoroughly understood.
METHOD OF STUDY: Patients with focal or diffuse AM were recruited. Serum cytokines were quantified by enzyme-linked immunosorbent assay (ELISA). Different T cell subsets in the blood and ectopic endometrium were determined by flow cytometry.
RESULTS: Serum interleukin-6 (IL-6) and macrophage-colony-stimulating factor (GM-CSF) were increased in patients with focal or diffuse AM before focused ultrasound ablation surgery (FUAS), but not after FUAS. Compared with the healthy control, the frequencies of CD8+ interferon-gamma (IFN-γ)-expressing cytotoxic T lymphocytes (CTLs), interleukin-17A (IL-17A)-expressing Tc17 cells, CD4+ T helper 1 (Th1) cells, and GM-CSF-expressing T helper (ThGM) cells were up-regulated in the blood of patients with AM, especially those with diffuse AM. However, these changes were eradicated after FUAS. Meanwhile, the frequencies of these T cell subsets were positively correlated with the CA-125 level. Furthermore, these T cell subsets were also increased in ectopic endometrium.
CONCLUSIONS: Our study delineates for the first time the presence of CTLs, Tc17 cells, Th1, and ThGM cells in the blood and ectopic endometrium in AM. The results imply that T cell response might impact AM development.
METHOD OF STUDY: Patients with focal or diffuse AM were recruited. Serum cytokines were quantified by enzyme-linked immunosorbent assay (ELISA). Different T cell subsets in the blood and ectopic endometrium were determined by flow cytometry.
RESULTS: Serum interleukin-6 (IL-6) and macrophage-colony-stimulating factor (GM-CSF) were increased in patients with focal or diffuse AM before focused ultrasound ablation surgery (FUAS), but not after FUAS. Compared with the healthy control, the frequencies of CD8+ interferon-gamma (IFN-γ)-expressing cytotoxic T lymphocytes (CTLs), interleukin-17A (IL-17A)-expressing Tc17 cells, CD4+ T helper 1 (Th1) cells, and GM-CSF-expressing T helper (ThGM) cells were up-regulated in the blood of patients with AM, especially those with diffuse AM. However, these changes were eradicated after FUAS. Meanwhile, the frequencies of these T cell subsets were positively correlated with the CA-125 level. Furthermore, these T cell subsets were also increased in ectopic endometrium.
CONCLUSIONS: Our study delineates for the first time the presence of CTLs, Tc17 cells, Th1, and ThGM cells in the blood and ectopic endometrium in AM. The results imply that T cell response might impact AM development.