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Expansion of multipotent stem cells from the adult human brain.

By Wayne Murrell, Emily Palmero, John Bianco, Biljana Stangeland, Mrinal Joel, Linda Paulson, Bernd Thiede, Zanina Grieg, Ingunn Ramsnes, Håvard K Skjellegrind, Ståle Nygård, Petter Brandal, Cecilie Sandberg, Einar Vik-Mo, Sheryl Palmero and Iver A Langmoen

Abstract

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 establishment and propagation of human brain stem cells from whatever brain tissue samples we have tried. We describe virtually unlimited expansion of an authentic stem cell phenotype. Pluripotency proteins 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

Topics: Medicine, R, Science, Q
Publisher: Public Library of Science (PLoS)
DOI identifier: 10.1371/journal.pone.0071334
OAI identifier: oai:doaj.org/article:e447bd1252084b438336d0ade57ddc79
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