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Towards Tissue-Specific Stem Cell Therapy for the Intervertebral Disc: PPARδ Agonist Increases the Yield of Human Nucleus Pulposus Progenitor Cells in Expansion by Zhang, Xingshuo (author);Guerrero, Julien (author);Croft, Andreas (author);Oswald, Katharina (author);Albers, Christoph (author);Häckel, Sonja (author);Gantenbein, Benjamin (author) is a nonfiction available to read on EtoBox.

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(1) Background: Low back pain (LBP) is often associated with intervertebral disc degeneration (IVDD). Autochthonous progenitor cells isolated from the center, i.e., the nucleus pulposus, of the IVD (so-called nucleus pulposus progenitor cells (NPPCs)) could be a future cell source for therapy. The NPPCs were also identified to be positive for the angiopoietin-1 receptor (Tie2). Similar to hematopoietic stem cells, Tie2 might be involved in peroxisome proliferator-activated receptor delta (PPARδ) agonist-induced self-renewal regulation. The purpose of this study was to investigate whether a PPARδ agonist (GW501516) increases the Tie2+ NPPCs’ yield within the heterogeneous nucleus pulposus cell (NPC) population. (2) Methods: Primary NPCs were treated with 10 μM of GW501516 for eight days. Mitochondrial mass was determined by microscopy, using mitotracker red dye, and the relative gene expression was quantified by qPCR, using extracellular matrix and mitophagy-related genes. (3) The NPC’s group treated with the PPARδ agonist showed a significant increase of the Tie2+ NPCs yield from ~7% in passage 1 to ~50% in passage two, compared to the NPCs vehicle-treated group. Furthermore, no si

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Author

Zhang, Xingshuo (author);Guerrero, Julien (author);Croft, Andreas (author);Oswald, Katharina (author);Albers, Christoph (author);Häckel, Sonja (author);Gantenbein, Benjamin (author)

Publisher

MDPI AG

Published

2021

Language

EN

Category

nonfiction