Unknown,Transcriptomics,Genomics,Proteomics

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Adult human brain stem cells 1

ABSTRACT: Tissue repair using cell transplantation holds popular appeal. This underlines the need to understand stem cells within the target organ. Our laboratory works on the human brain. Using neurosphere methods, we and others have only been able to passage stem/progenitors a very few times with little expansion of numbers. Now we describe an efficient method for the establishment and propagation of human brain stem cells from whatever tissue samples we have tried. We describe virtually unlimited expansion of an authentic stem cell phenotype. Pluripotency markers Sox2 and Oct4 are expressed without artificial induction. For the first time, multipotency of adult human brain-derived stem cells is demonstrated beyond tissue boundaries. We characterize these cells in detail in vitro including microarray and proteomic approaches. Whilst clarification of these cells' behavior is ongoing, results so far portend well for the future repair of tissues by transplantation of an adult patient's own-derived stem cells. Adult human brain stem cells from the subventricular zone were compared to those from hippocampus. Total RNA from three adult human brain biopsy sources: 3 subventricular-derived cell lines and 3 hippocampus-derived cell lines.

ORGANISM(S): Homo sapiens

SUBMITTER: Wayne Murrell

PROVIDER: E-GEOD-41390 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Expansion of multipotent stem cells from the adult human brain.

Murrell Wayne W Palmero Emily E Bianco John J Stangeland Biljana B Joel Mrinal M Paulson Linda L Thiede Bernd B Grieg Zanina Z Ramsnes Ingunn I Skjellegrind Håvard K HK Nygård Ståle S Brandal Petter P Sandberg Cecilie C Vik-Mo Einar E Palmero Sheryl S Langmoen Iver A IA

PloS one 20130814 8

The discovery of stem cells in the adult human brain has revealed new possible scenarios for treatment of the sick or injured brain. Both clinical use of and preclinical research on human adult neural stem cells have, however, been seriously hampered by the fact that it has been impossible to passage these cells more than a very few times and with little expansion of cell numbers. Having explored a number of alternative culturing conditions we here present an efficient method for the establishme ...[more]

PMID: 23967194

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Project description:Brain perivascular cells have been recently identified as new mesodermal cell type of the human brain. These cells reside in the perivascular niche and were shown to have mesodermal and â to a lesser extend â tissue-specific differentiation potential. Mesenchymal stem cells (MSCs) are widely discussed for the use in cell therapy in many neurological disorders. Therefore it is of importance to better understand the âintrinsicâ MSC population of the human brain. Here we systematically characterized adult human brain-derived pericytes during in vitro expansion and differentiation and compared these cells to fetal and adult human brain-derived NSCs and adult human bone marrow derived MSCs. We found that adult human brain pericytes can be isolated from hippocampal as well as cortical white matter, are â in contrast to adult human NSCs â easily expandable in monolayer cultures and show high similarities to human bone marrow-derived MSCs both regarding surface marker expression and whole transcriptome analysis. Human brain pericytes differentiated only in negligible amounts into neuroectodermal cell types using various differentiation conditions but efficiently differentiated into mesodermal progenies. Thus bone marrow-derived MSCs resemble human brain pericytes and might be therefore very interesting for possible autologous NPC-based treatment strategies, cell therapeutic approaches of neurological diseases. For the gene expression microarray analysis we used the Affymetrix U133A chips The whole procedure was performed following the manufacturer's standard protocol (Affymetrix, Santa Clara, CA). For the data processing, normalization was calculated with the GCRMA (GC content corrected Robust Multi-array Analysis) algorithm. Data post-processing and graphics was performed with in-house developed functions in Matlab. 17 samples were analyzed fNSC, Neural Stem Cell, 2 replicates ANPC-hip, adult Neuroprogenitor - Cell Hippocampus, 3 replicates ANPC-wm, adult Neuroprogenitor Cell - White Matter, 3 replicates ABPMC-hip, adult Brain Perivascular Mesodermal Cell - Hippocampus, 3 replicates ABPMC-wm, adult Brain Perivascular Mesodermal Cell - White Matter, 3 replicates MSC, Mesenchymal Stem Cell, 3 replicates

Dataset Information

Adult human brain stem cells 1

Publications

Expansion of multipotent stem cells from the adult human brain.

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