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Distribution of dendritic cells in the septate uterus: An immunological perspective.
American Journal of Reproductive Immunology ( IF 2.5 ) Pub Date : 2020-04-10 , DOI: 10.1111/aji.13241
Yasuyuki Negishi 1, 2 , Masahiko Kato 2 , Shuichi Ono 2 , Yoshimitsu Kuwabara 2 , Rimpei Morita 1 , Hidemi Takahashi 1 , Toshiyuki Takeshita 2
Affiliation  

PROBLEM Septate uterus is associated with spontaneous abortion. Surgical intervention of the uterine septa (US) is frequently performed following spontaneous abortion; however, immunological mechanisms for spontaneous abortion in patients with septate uterus remain completely unknown. METHOD OF STUDY A total of 12 women with septate uterus who underwent hysteroscopic metroplasty and 10 women with uterine leiomyoma who underwent total hysterectomy were enrolled as the experimental and control groups, respectively. Immune cells, dendritic cells (DCs), macrophages, T cells, natural killer cells, invariant natural killer cells, and chemokine receptors in US and uterine myometrium tissue (UMT) were analyzed using flow cytometry and immunohistochemical staining. Additionally, the chemokine production of macrophage inflammatory protein 1 alpha (MIP-1α), regulated upon activation normal T-cell express sequence (RANTES), and macrophage inflammatory protein 3 beta (MIP-3β) from the viable cells obtained from the US and UMT samples was evaluated in an ex vivo study. RESULTS The percentage of CD141+ DCs in US was significantly lower than that in UMT. Both US and UMT showed CCR1 and CCR5 expression on CD141+ DCs; however, the production of chemokines, MIP-1α, RANTES, and MIP-3β was abundant in UMT-obtained viable cells. CONCLUSION The accumulation of CD141+ DCs was lower in US than that in UMT. This phenomenon may be caused by low chemokine productions in US. Our findings support the benefit of surgical intervention for septate uterus-that is, the elimination of inappropriate implantation sites.

中文翻译:

树突状细胞在分隔子宫中的分布:免疫学的角度。

问题子宫分隔与自然流产有关。自然流产后经常进行子宫隔的手术干预。然而,子宫分隔患者自发流产的免疫学机制仍是完全未知的。研究方法分别将12例行宫腔镜子宫成形术的分隔子宫妇女和10例行全子宫切除术的子宫平滑肌瘤妇女作为实验组和对照组。使用流式细胞仪和免疫组织化学染色分析了美国和子宫肌层组织(UMT)中的免疫细胞,树突状细胞(DC),巨噬细胞,T细胞,自然杀伤细胞,不变的自然杀伤细胞和趋化因子受体。此外,巨噬细胞炎症蛋白1 alpha(MIP-1α)的趋化因子产生,在离体研究中评估了从正常美国T细胞表达序列(RANTES)激活后得到的MAPK调节,以及从美国和UMT样品获得的活细胞中的巨噬细胞炎症蛋白3β(MIP-3β)。结果美国的CD141 + DC百分比显着低于UMT。US和UMT均在CD141 + DC上显示CCR1和CCR5表达。然而,在UMT获得的活细胞中趋化因子,MIP-1α,RANTES和MIP-3β的产生是丰富的。结论在美国,CD141 + DC的积累低于UMT。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。在离体研究中评估了从美国和UMT样品获得的活细胞中的巨噬细胞炎性蛋白3β(MIP-3β)。结果美国的CD141 + DC百分比显着低于UMT。US和UMT均在CD141 + DC上显示CCR1和CCR5表达。然而,在UMT获得的活细胞中趋化因子,MIP-1α,RANTES和MIP-3β的产生是丰富的。结论在美国,CD141 + DC的积累低于UMT。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。在离体研究中评估了从美国和UMT样品获得的活细胞中的巨噬细胞炎性蛋白3β(MIP-3β)。结果美国的CD141 + DC百分比显着低于UMT。US和UMT均在CD141 + DC上显示CCR1和CCR5表达。然而,在UMT获得的活细胞中趋化因子,MIP-1α,RANTES和MIP-3β的产生是丰富的。结论在美国,CD141 + DC的积累低于UMT。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。结果美国的CD141 + DC百分比显着低于UMT。US和UMT均在CD141 + DC上显示CCR1和CCR5表达。然而,在UMT获得的活细胞中趋化因子,MIP-1α,RANTES和MIP-3β的产生是丰富的。结论在美国,CD141 + DC的积累低于UMT。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。结果美国的CD141 + DC百分比显着低于UMT。US和UMT均在CD141 + DC上显示CCR1和CCR5表达。然而,在UMT获得的活细胞中趋化因子,MIP-1α,RANTES和MIP-3β的产生是丰富的。结论在美国,CD141 + DC的积累低于UMT。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。这种现象可能是由于美国趋化因子产量低引起的。我们的发现支持通过手术干预分隔子宫的好处,即消除了不适当的植入部位。
更新日期:2020-03-31
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