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Survival of syngeneic and allogeneic iPSC–derived neural precursors after spinal grafting in minipigs
Science Translational Medicine ( IF 17.1 ) Pub Date : 2018-05-09 , DOI: 10.1126/scitranslmed.aam6651
Jan Strnadel 1, 2 , Cassiano Carromeu 3 , Cedric Bardy 4, 5 , Michael Navarro 1 , Oleksandr Platoshyn 1 , Andreas N. Glud 1 , Silvia Marsala 1 , Jozef Kafka 1 , Atsushi Miyanohara 1, 6 , Tomohisa Kato 7 , Takahiro Tadokoro 1 , Michael P. Hefferan 1 , Kota Kamizato 1 , Tetsuya Yoshizumi 1 , Stefan Juhas 8 , Jana Juhasova 8 , Chak-Sum Ho 9 , Taba Kheradmand 9 , PeiXi Chen 1 , Dasa Bohaciakova 1, 10 , Marian Hruska-Plochan 1, 11 , Andrew J. Todd 12 , Shawn P. Driscoll 13 , Thomas D. Glenn 13 , Samuel L. Pfaff 13 , Jiri Klima 8 , Joseph Ciacci 14 , Eric Curtis 14 , Fred H. Gage 4 , Jack Bui 15 , Kazuhiko Yamada 16 , Alysson R. Muotri 3 , Martin Marsala 1, 17
Affiliation  

The use of autologous (or syngeneic) cells derived from induced pluripotent stem cells (iPSCs) holds great promise for future clinical use in a wide range of diseases and injuries. It is expected that cell replacement therapies using autologous cells would forego the need for immunosuppression, otherwise required in allogeneic transplantations. However, recent studies have shown the unexpected immune rejection of undifferentiated autologous mouse iPSCs after transplantation. Whether similar immunogenic properties are maintained in iPSC-derived lineage-committed cells (such as neural precursors) is relatively unknown. We demonstrate that syngeneic porcine iPSC-derived neural precursor cell (NPC) transplantation to the spinal cord in the absence of immunosuppression is associated with long-term survival and neuronal and glial differentiation. No tumor formation was noted. Similar cell engraftment and differentiation were shown in spinally injured transiently immunosuppressed swine leukocyte antigen (SLA)–mismatched allogeneic pigs. These data demonstrate that iPSC-NPCs can be grafted into syngeneic recipients in the absence of immunosuppression and that temporary immunosuppression is sufficient to induce long-term immune tolerance after NPC engraftment into spinally injured allogeneic recipients. Collectively, our results show that iPSC-NPCs represent an alternative source of transplantable NPCs for the treatment of a variety of disorders affecting the spinal cord, including trauma, ischemia, or amyotrophic lateral sclerosis.



中文翻译:

同种和同种异体iPSC衍生的神经前体在小猪脊柱移植后的存活

诱导多能干细胞(iPSCs)衍生的自体(或同基因)细胞的使用为将来在各种疾病和损伤中的临床应用提供了广阔的前景。预期使用自体细胞的细胞替代疗法将放弃免疫抑制的需求,否则异基因移植将需要免疫抑制。但是,最近的研究表明,未分化的自体小鼠iPSC在移植后会产生意想不到的免疫排斥反应。在iPSC衍生的谱系定型细胞(例如神经前体)中是否维持相似的免疫原性尚不清楚。我们证明,在没有免疫抑制的情况下,同基因猪iPSC衍生的神经前体细胞(NPC)移植到脊髓与长期存活以及神经元和神经胶质分化有关。未观察到肿瘤形成。在脊髓损伤中,瞬时免疫抑制的猪白细胞抗原(SLA)-错配的同种异体猪显示出相似的细胞植入和分化。这些数据表明,iPSC-NPCs可以在不存在免疫抑制的情况下移植到同基因受体中,并且临时免疫抑制足以将NPC移植到脊柱受伤的同种异体受体中后引起长期的免疫耐受。总体而言,我们的结果表明,iPSC-NPC代表了可移植NPC的替代来源,可用于治疗影响脊髓的多种疾病,包括创伤,局部缺血或肌萎缩性侧索硬化。在脊髓损伤中,瞬时免疫抑制的猪白细胞抗原(SLA)-错配的同种异体猪显示出相似的细胞植入和分化。这些数据表明,iPSC-NPCs可以在不存在免疫抑制的情况下移植到同基因受体中,并且临时免疫抑制足以将NPC移植到脊柱受伤的同种异体受体中后引起长期的免疫耐受。总体而言,我们的结果表明,iPSC-NPC代表了可移植NPC的替代来源,可用于治疗影响脊髓的多种疾病,包括创伤,局部缺血或肌萎缩性侧索硬化。在脊髓损伤中,瞬时免疫抑制的猪白细胞抗原(SLA)-错配的同种异体猪显示出相似的细胞植入和分化。这些数据表明,iPSC-NPCs可以在不存在免疫抑制的情况下移植到同基因受体中,并且临时免疫抑制足以将NPC移植到脊柱受伤的同种异体受体中后引起长期的免疫耐受。总体而言,我们的结果表明,iPSC-NPC代表了可移植NPC的替代来源,可用于治疗影响脊髓的多种疾病,包括创伤,局部缺血或肌萎缩性侧索硬化。这些数据表明,iPSC-NPCs可以在不存在免疫抑制的情况下移植到同基因受体中,并且临时免疫抑制足以将NPC移植到脊柱受伤的同种异体受体中后引起长期的免疫耐受。总体而言,我们的结果表明,iPSC-NPC代表了可移植NPC的替代来源,可用于治疗影响脊髓的多种疾病,包括创伤,局部缺血或肌萎缩性侧索硬化。这些数据表明,iPSC-NPCs可以在不存在免疫抑制的情况下移植到同基因受体中,并且临时免疫抑制足以将NPC移植到脊柱受伤的同种异体受体中后引起长期的免疫耐受。总体而言,我们的结果表明,iPSC-NPC代表了可移植NPC的替代来源,可用于治疗影响脊髓的多种疾病,包括创伤,局部缺血或肌萎缩性侧索硬化。

更新日期:2018-05-10
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