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The uterine immunological changes may be responsible for repeated implantation failure.
Journal of Reproductive Immunology ( IF 2.9 ) Pub Date : 2020-01-23 , DOI: 10.1016/j.jri.2020.103080
Fatemehsadat Amjadi 1 , Zahra Zandieh 1 , Mehdi Mehdizadeh 1 , Samaneh Aghajanpour 1 , Ehsan Raoufi 2 , Azin Aghamajidi 3 , Reza Aflatoonian 4
Affiliation  

A significant part of couples in IVF-ICSI cycles experience Repeated Implantation Failure (RIF). Screening of the embryos with new methods like Next Generation Sequencing and arrays showed that even euploid embryos fail to implant. Immunology is a potent window maybe resolve the RIF problem. In this investigation we employed innate and adaptive immune system PCR array to compare the transcriptome profiles of endometrium in unexplained RIF and healthy fertile women. A total of 21 women were enrolled in the present study, 11women with unexplained RIF and 10 healthy fertile women. After RNA extraction and cDNA synthesis PCR array was performed using RT2 profiler PCR array human innate and adaptive immune responses kit (Qiagen, Cat.No: PAHS-052A). PCR Array data analysis identified significantly greater expression of IL6, IFNG, IL17A, IL23A, IFNA1, IFNB1, CD40 L, CCR4, CCR5, CCR6, CXR3, CCL2, IL2, TLR4, IRF3, STAT3, RAG1, IFNAR1 in unexplained RIF women than in controls (P < 0.05). However, expression of IL1B, IL8, NFKB, HLA-A, HLA-E, CD80, CD40 was significantly lower in unexplained RIF group than in controls (P < 0.05). Our results showed that modulation of immune system in RIF patient is shifted to inflammatory responses as pNK cells, Th17 signaling pathway and TLR signaling pathway are activated. So, by stimulation of immune system and initiation of humoral immune responses the panel of immunity and immunotolerance is completely changed in RIF patients comparing normal. It seems that attention to these alterations individually help physician to manage RIF patients better.

中文翻译:

子宫免疫学改变可能是反复植入失败的原因。

IVF-ICSI周期中有很大一部分夫妇经历了重复植入失败(RIF)。使用下一代测序和阵列等新方法筛选胚胎表明,甚至整倍体胚胎也无法植入。免疫学是一个有力的窗口,也许可以解决RIF问题。在这项研究中,我们采用先天性和适应性免疫系统PCR阵列来比较无法解释的RIF和健康可育妇女的子宫内膜转录组谱。本研究共纳入21名妇女,其中11名患有无法解释的RIF的妇女和10名健康的可育妇女。RNA提取和cDNA合成后,使用RT2 Profiler PCR阵列进行人类先天性和适应性免疫应答试剂盒(Qiagen,货号:PAHS-052A)进行PCR阵列。PCR Array数据分析确定IL6,IFNG,IL17A,IL23A,IFNA1,原因不明的RIF妇女中的IFNB1,CD40 L,CCR4,CCR5,CCR6,CXR3,CCL2,IL2,TLR4,IRF3,STAT3,RAG1,IFNAR1与对照组相比(P <0.05)。然而,无法解释的RIF组的IL1B,IL8,NFKB,HLA-A,HLA-E,CD80,CD40的表达明显低于对照组(P <0.05)。我们的结果表明,随着pNK细胞,Th17信号通路和TLR信号通路被激活,RIF患者的免疫系统调节已转变为炎症反应。因此,与正常人相比,通过刺激免疫系统和引发体液免疫反应,RIF患者的免疫和免疫耐受范围完全改变。似乎分别注意这些改变有助于医生更好地管理RIF患者。原因不明的RIF妇女中的IFNAR1高于对照组(P <0.05)。然而,无法解释的RIF组的IL1B,IL8,NFKB,HLA-A,HLA-E,CD80,CD40的表达明显低于对照组(P <0.05)。我们的结果表明,随着pNK细胞,Th17信号通路和TLR信号通路被激活,RIF患者的免疫系统调节已转变为炎症反应。因此,与正常人相比,通过刺激免疫系统和引发体液免疫反应,RIF患者的免疫和免疫耐受范围完全改变。似乎分别注意这些改变有助于医生更好地管理RIF患者。原因不明的RIF妇女中的IFNAR1高于对照组(P <0.05)。然而,无法解释的RIF组的IL1B,IL8,NFKB,HLA-A,HLA-E,CD80,CD40的表达明显低于对照组(P <0.05)。我们的结果表明,随着pNK细胞,Th17信号通路和TLR信号通路被激活,RIF患者的免疫系统调节已转变为炎症反应。因此,与正常人相比,通过刺激免疫系统和引发体液免疫反应,RIF患者的免疫和免疫耐受范围完全改变。似乎分别注意这些改变有助于医生更好地管理RIF患者。我们的结果表明,随着pNK细胞,Th17信号通路和TLR信号通路被激活,RIF患者的免疫系统调节已转变为炎症反应。因此,与正常人相比,通过刺激免疫系统和引发体液免疫反应,RIF患者的免疫和免疫耐受范围完全改变。似乎分别注意这些改变有助于医生更好地管理RIF患者。我们的结果表明,随着pNK细胞,Th17信号通路和TLR信号通路被激活,RIF患者的免疫系统调节已转变为炎症反应。因此,与正常人相比,通过刺激免疫系统和引发体液免疫反应,RIF患者的免疫和免疫耐受范围完全改变。似乎分别注意这些改变有助于医生更好地管理RIF患者。
更新日期:2020-01-23
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