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The role of β-d-mannuronic acid, as a new non-steroidal anti-inflammatory drug on expression of miR-146a, IRAK1, TRAF6, NF-κB and pro-inflammatory cytokines following a clinical trial in rheumatoid arthritis patients.
Immunopharmacology and Immunotoxicology ( IF 2.9 ) Pub Date : 2020-03-29 , DOI: 10.1080/08923973.2020.1742734
Seyed Shahabeddin Mortazavi-Jahromi 1 , Arman Ahmadzadeh 2 , Zahra Rezaieyazdi 3 , Mona Aslani 1 , Saiedeh Omidian 1 , Abbas Mirshafiey 1
Affiliation  

Context: miR-146a, its targets (IRAK1, TRAF6) and NF-κB transcription factor play a fundamental role in rheumatoid arthritis (RA). Positive effects of drug β-d-mannuronic acid (M2000) were proven on their expression in the HEK-Blue hTLR2 cell line, and results of its phase III clinical trial on RA patients were encouraging.Objective: This research aimed to investigate the effects of M2000 on expression of these genes and serum levels of IL-6 and TNF-α as pro-inflammatory cytokines in RA patients.Material and methods: In this study (Trial Registration Number: IRCT2017100213739N10), 12 RA patients (according to the American College of Rheumatology criteria) and 12 healthy subjects (as control group) were selected. The gene expression of miR-146a, IRAK1, TRAF6, and NF-κB were measured at the baseline and after 12 weeks M2000 therapy, using quantitative real-time PCR method. Moreover, the serum levels of IL-6 and TNF-α were evaluated at the similar times by ELISA method.Results: Our findings showed that the gene expression of miR-146a, IRAK1, TRAF6, and NF-κB significantly decreased after 12 weeks M2000 therapy in RA patients (0.81-, 0.68-, 0.79-, 0.82-fold, with p < .05, p < .01, p < .01, p < .05, respectively). Furthermore, the serum levels of IL-6 and TNF-α significantly reduced in these patients after 12 weeks M2000 therapy (both with p < .05).Conclusions: The present research results determined the part of molecular mechanisms of drug M2000 in RA treatment, based on the expression and function modification of miR-146a, IRAK1, TRAF6, NF-κB, IL-6 and TNF-α.

中文翻译:

在类风湿性关节炎患者中进行临床试验后,β-d-甘露糖醛酸作为一种新型非甾体类抗炎药对miR-146a,IRAK1,TRAF6,NF-κB和促炎细胞因子表达的作用。

背景:miR-146a,其靶标(IRAK1,TRAF6)和NF-κB转录因子在类风湿关节炎(RA)中起着重要作用。已证明药物β-d-甘露糖醛酸(M2000)在HEK-Blue hTLR2细胞系中的表达具有积极作用,并且其III期临床试验对RA患者的研究结果令人鼓舞。目的:本研究旨在研究其作用M2000对RA患者促炎细胞因子这些基因的表达以及血清IL-6和TNF-α水平的影响。材料与方法:在本研究中(试验注册号:IRCT2017100213739N10),有12位RA患者(根据美国选择风湿病学院的标准)和12名健康受试者(作为对照组)。在基线和M2000治疗12周后测量miR-146a,IRAK1,TRAF6和NF-κB的基因表达,使用定量实时PCR方法。ELISA法检测血清IL-6和TNF-α水平。结果:12周后miR-146a,IRAK1,TRAF6和NF-κB的基因表达明显下降。 RA患者的M2000治疗(分别为0.81、0.68-,0.79-,0.82倍,分别为p <.05,p <.01,p <.01,p <.05)。此外,在M2000治疗12周后,这些患者的血清IL-6和TNF-α水平显着降低(均为p <.05)。结论:本研究结果确定了RA治疗中M2000药物分子机制的一部分。基于miR-146a,IRAK1,TRAF6,NF-κB,IL-6和TNF-α的表达和功能修饰。结果:M2000治疗12周后,miR-146a,IRAK1,TRAF6和NF-κB的基因表达显着下降,ELISA法检测血清IL-6和TNF-α水平。在RA患者中(分别为0.81、0.68-,0.79-,0.82倍,分别为p <.05,p <.01,p <.01,p <.05)。此外,在M2000治疗12周后,这些患者的血清IL-6和TNF-α水平显着降低(均为p <.05)。结论:本研究结果确定了RA治疗中M2000药物分子机制的一部分。基于miR-146a,IRAK1,TRAF6,NF-κB,IL-6和TNF-α的表达和功能修饰。结果:M2000治疗12周后,miR-146a,IRAK1,TRAF6和NF-κB的基因表达显着下降,ELISA法检测血清IL-6和TNF-α水平。在RA患者中(分别为0.81、0.68-,0.79-,0.82倍,分别为p <.05,p <.01,p <.01,p <.05)。此外,在M2000治疗12周后,这些患者的血清IL-6和TNF-α水平显着降低(均为p <.05)。结论:本研究结果确定了RA治疗中M2000药物分子机制的一部分。基于miR-146a,IRAK1,TRAF6,NF-κB,IL-6和TNF-α的表达和功能修饰。M2000治疗12周后,RA患者的NF-κB和NF-κB明显降低(分别为0.81、0.68、0.79、0.82倍,分别为p <.05,p <.01,p <.01,p <.05 )。此外,在M2000治疗12周后,这些患者的血清IL-6和TNF-α水平显着降低(均为p <.05)。结论:本研究结果确定了RA治疗中M2000药物分子机制的一部分。基于miR-146a,IRAK1,TRAF6,NF-κB,IL-6和TNF-α的表达和功能修饰。M2000治疗12周后,RA患者的NF-κB和NF-κB明显降低(分别为0.81、0.68、0.79、0.82倍,分别为p <.05,p <.01,p <.01,p <.05 )。此外,在M2000治疗12周后,这些患者的血清IL-6和TNF-α水平显着降低(均为p <.05)。结论:本研究结果确定了RA治疗中M2000药物分子机制的一部分。基于miR-146a,IRAK1,TRAF6,NF-κB,IL-6和TNF-α的表达和功能修饰。
更新日期:2020-03-29
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