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Effects of IL-10- and FasL-overexpressing dendritic cells on liver transplantation tolerance in a heterotopic liver transplantation rat model.
Immunology and Cell Biology ( IF 3.2 ) Pub Date : 2019-06-09 , DOI: 10.1111/imcb.12252
Lihong Chen 1, 2, 3, 4 , Lina Zhang 1, 2 , Zhu Zhu 2 , Wubing He 5 , Lingyun Gao 1, 2, 3, 4 , Wenmin Zhang 1, 3, 4 , Jingfeng Liu 2, 6 , Aimin Huang 1, 3, 4
Affiliation  

Acute rejection is the major determinant for the long-term survival of donor liver after liver transplantation (LT). The aim of this study was to examine the therapeutic potential of interleukin (IL)-10-FasL-overexpressing immature dendritic cells (imDCs) to induce local immunosuppression in liver grafts. imDCs derived from donors were transduced by lentiviral vectors expressing human IL-10 and/or Fas ligand (FasL) gene(s), and the expression of surface molecules and the ability to induce T-cell proliferation were measured. imDCs were intraperitoneally injected into recipient rats as a model of LT to examine the rejection grade [Banff rejection activity index (RAI)], liver functions [Alanine aminotransferase, Aspartate aminotransferase (AST) and total bilirubin (TBIL)] and post-transplant survival. IL-10 and FasL co-transduction of imDCs induced a greater reduction in CD80, CD86 and major histocompatibility complex class II (MHC II) expression, as well as T-cell proliferation, but increased levels of IL-10 and FasL in culture supernatants compared with mono-transduced or untransduced imDCs (P < 0.05). The infusion of co-transduced imDCs in LT recipients reduced RAI scores, decreased plasma AST and TBIL, and prolonged survival compared with mono-transduced or untransduced imDC-treated liver allografts. These findings demonstrated that the transfusion of IL-10-FasL/imDCs enhanced immune tolerance and prolonged the survival of liver allografts after LT. The immunomodulatory activity of IL-10- and FasL-modified imDCs might be a new therapeutic approach to prevent organ rejection in clinical transplantation.

中文翻译:

IL-10和FasL过表达的树突状细胞对异位肝移植大鼠模型肝移植耐受性的影响。

急性排斥反应是肝移植(LT)后供体肝脏长期存活的主要决定因素。这项研究的目的是检查白介素(IL)-10-FasL过表达的未成熟树突细胞(imDCs)诱导肝移植物中局部免疫抑制的治疗潜力。通过表达人IL-10和/或Fas配体(FasL)基因的慢病毒载体转导来自供体的imDC,并测量表面分子的表达和诱导T细胞增殖的能力。将imDCs作为LT模型腹膜内注射到受体大鼠中,以检查排斥反应等级[Banff排斥活性指数(RAI)],肝功能[丙氨酸氨基转移酶,天冬氨酸氨基转移酶(AST)和总胆红素(TBIL)]以及移植后存活率。IL-10的IL-10和FasL共转导诱导CD80,CD86和主要组织相容性复合体II类(MHC II)表达以及T细胞增殖进一步降低,但培养上清液中IL-10和FasL的水平增加与单转导或未转导的imDC相比(P <0.05)。与单转导或未转导的imDC处理的肝脏同种异体移植相比,在LT受体中输注共转导的imDCs降低了RAI评分,降低了血浆AST和TBIL,并延长了生存期。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝同种异体移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。CD86和主要的组织相容性复合体II类(MHC II)表达以及T细胞增殖,但与单转导或未转导的imDC相比,培养上清液中IL-10和FasL的水平增加(P <0.05)。与单转导或未转导的imDC处理的肝脏同种异体移植相比,在LT受体中输注共转导的imDCs降低了RAI评分,降低了血浆AST和TBIL,并延长了生存期。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝同种异体移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。CD86和主要的组织相容性复合体II类(MHC II)表达以及T细胞增殖,但与单转导或未转导的imDC相比,培养上清液中IL-10和FasL的水平增加(P <0.05)。与单转导或未转导的imDC处理的肝脏同种异体移植相比,在LT受体中输注共转导的imDCs降低了RAI评分,降低了血浆AST和TBIL,并延长了生存期。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。但与单转导或未转导的imDC相比,培养上清液中IL-10和FasL的水平升高(P <0.05)。与单转导或未转导的imDC处理的肝脏同种异体移植相比,在LT受体中输注共转导的imDCs降低了RAI评分,降低了血浆AST和TBIL,并延长了生存期。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝同种异体移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。但与单转导或未转导的imDC相比,培养上清液中IL-10和FasL的水平升高(P <0.05)。与单转导或未转导的imDC处理的肝脏同种异体移植相比,在LT受体中输注共转导的imDCs降低了RAI评分,降低了血浆AST和TBIL,并延长了生存期。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝同种异体移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。与单转导或未转导的imDC处理的肝脏同种异体移植相比,其存活时间更长。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。与单转导或未转导的imDC处理的肝脏同种异体移植相比,其存活时间更长。这些发现表明,输注IL-10-FasL / imDCs增强了免疫耐受,并延长了LT后肝同种异体移植的存活时间。IL-10-和FasL修饰的imDCs的免疫调节活性可能是预防临床移植中器官排斥的一种新的治疗方法。
更新日期:2019-11-01
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