Abstract
Unrelated cells such as dental follicle precursor cells (DFPCs) and retinal Müller cells (MCs) make spheres after cultivation in serum-replacement medium (SRM). Until today, the relation and molecular processes of sphere formation from different cell types remain undescribed. Thus in this study we compared proteomes of spheres derived from MCs and DFPCs. 73% of 676 identified proteins were similar expressed in both cell types and many of them are expressed in the brain (55%). Moreover proteins are overrepresented that are associated with pathways for neural diseases such as Huntington disease or Alzheimer disease. Interestingly up-regulated proteins in DFPCs are involved in the biosynthesis of glycosphingolipids. These lipids are components of gangliosides such as GD3, which is a novel neural stem cell marker. In conclusion spheres from different types of cells have highly similar proteomes. These proteomes probably show essential cellular processes in neurosphere-like cell clusters.
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Hans Christian Beck and Jørgen Petersen contributed equally to this work.
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Beck, H.C., Petersen, J., Felthaus, O. et al. Comparison of Neurosphere-like Cell Clusters Derived from Dental Follicle Precursor Cells and Retinal Müller Cells. Neurochem Res 36, 2002–2007 (2011). https://doi.org/10.1007/s11064-011-0524-0
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DOI: https://doi.org/10.1007/s11064-011-0524-0