ラット脊髄損傷モデルで胎児神経前駆細胞移植が神経新生と機能回復をもたらすことを報告。
Transplantation of in vitro-expanded fetal neural progenitor cells results in neurogenesis and functional recovery after spinal cord contusion injury in adult rats.
Ogawa Y, et al. J Neurosci Res. 2002;69(6):925-33.
サル脊髄損傷モデルでヒト神経幹細胞を移植し、生着と機能改善を確認。臨床応用への橋渡し研究。
Transplantation of human neural stem cells for spinal cord injury in primates.
Iwanami A, et al. J Neurosci Res. 2005;80(2):182-90.
HGF(肝細胞増殖因子)が内因性修復を促進し、機能回復を高めることを報告。
Hepatocyte growth factor promotes endogenous repair and functional recovery after spinal cord injury.
Kitamura K, et al. J Neurosci Res. 2007;85(11):2332-42.
マウス由来iPS細胞をマウス脊髄損傷モデルに移植し、安全性と有効性を確認。iPS応用の最初の報告。
Therapeutic potential of appropriately evaluated safe-induced pluripotent stem cells for spinal cord injury.
Tsuji O, et al. Proc Natl Acad Sci U S A. 2010;107(28):12704-9.
ヒトiPS細胞由来神経前駆細胞をマウス脊髄損傷モデルに移植し、運動機能改善を確認。臨床応用に直結する成果。
Grafted human-induced pluripotent stem-cell-derived neurospheres promote motor functional recovery after spinal cord injury in mice.
Nori S, et al. Proc Natl Acad Sci U S A. 2011;108(40):16825-30.
マーモセット(霊長類)にヒトiPS細胞由来細胞を移植し、安全性と有効性を確認。
Pre-evaluated safe human iPSC-derived neural stem cells promote functional recovery after spinal cord injury in common marmoset without tumorigenicity.
Kobayashi Y, et al. PLoS One. 2012;7(12):e52787.
iPS由来細胞の腫瘍化リスクを長期にわたり評価し、安全性確認の枠組みを提示。
Long-term safety issues of iPSC-based cell therapy in a spinal cord injury model: oncogenic transformation with epithelial-mesenchymal transition.
Nori S, et al. Stem Cell Reports. 2015;4(3):360-73.
ヒトiPS由来神経幹/前駆細胞移植後の組織変化を病理学的に分類し、安全性評価の指標を確立。
Pathological classification of human iPSC-derived neural stem/progenitor cells towards safety assessment of transplantation therapy for CNS diseases.
Sugai K, et al. Mol Brain. 2016;9(1):85.
慢性期マウスモデルで、細胞移植とトレッドミルトレーニングを併用し機能回復を促進できることを報告。慢性期治療の可能性を拓いた。
Functional Recovery from Neural Stem/Progenitor Cell Transplantation Combined with Treadmill Training in Mice with Chronic Spinal Cord Injury.
Tashiro S, et al. Sci Rep. 2016;6:30898.
iPS由来オリゴデンドロサイト前駆細胞が再髄鞘化を促すことを報告。軸索保護・修復の重要な成果。
Grafted Human iPS Cell-Derived Oligodendrocyte Precursor Cells Contribute to Robust Remyelination of Demyelinated Axons after Spinal Cord Injury.
Kawabata S, et al. Stem Cell Reports. 2016;6(1):1-8.
移植細胞が神経回路に統合され、運動機能回復に直接関与することを証明した報告。
Long-term selective stimulation of transplanted neural stem/progenitor cells for spinal cord injury improves locomotor function.
Kawai M, et al. Cell Rep. 2021;37(8):110019.
世界初のヒトiPS細胞由来神経前駆細胞移植の臨床研究プロトコール(亜急性期完全麻痺対象)を発表。
First-in-human clinical trial of transplantation of iPSC-derived NS/PCs in subacute complete spinal cord injury: Study protocol.
Sugai K, et al. Regen Ther. 2021;18:321-33.