Regulation of human embryonic stem cell differentiation by BMP-2 and its antagonist noggin
Author:
Pera Martin F.1, Andrade Jessica1, Houssami Souheir1, Reubinoff Benjamin1, Trounson Alan1, Stanley Edouard G.1, Oostwaard Dorien Ward-van, Mummery Christine2
Affiliation:
1. Monash Institute of Reproduction and Development, Monash University, 246 Clayton Road, Clayton, Victoria 3168, Australia 2. The Netherlands Institute for Developmental Biology, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
Abstract
Human embryonic stem cells differentiate spontaneously in vitro into a range of cell types, and they frequently give rise to cells with the properties of extra-embryonic endoderm. We show here that endogenous signaling by bone morphogenetic protein-2 controls the differentiation of embryonic stem cells into this lineage. Treatment of embryonic stem cell cultures with the bone morphogenetic protein antagonist noggin blocks this form of differentiation and induces the appearance of a novel cell type that can give rise to neural precursors. These findings indicate that bone morphogenetic protein-2 controls a key early commitment step in human embryonic stem cell differentiation, and show that the conservation of developmental mechanisms at the cellular level can be exploited in this system – in this case, to provide a facile route for the generation of neural precursors from pluripotent cells.
Publisher
The Company of Biologists
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