期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 369, 期 1657, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rstb.2013.0539
关键词
Activin; Nodal; blastocyst; Smads; pluripotency; epiblast maturation
类别
资金
- CNRS
- ANR
- Ile-de-France Committees of Ligue Nationale contre le Cancer
- FRM
Activins and Nodal are members of the transforming growth factor beta (TGF-beta) family of growth factors. Their Smad2/3-dependent signalling pathway is well known for its implication in the patterning of the embryo after implantation. Although this pathway is active early on at preimplantation stages, embryonic phenotypes for loss-of-function mutations of prominent components of the pathway are not detected before implantation. It is only fairly recently that an understanding of the role of the Activin/Nodal signalling pathway at these stages has started to emerge, notably from studies detailing how it controls the expression of target genes in embryonic stem cells. We review here what is currently known of the TGF-beta-related ligands that determine the activity of Activin/Nodal signalling at preimplantation stages, and recent advances in the elucidation of the Smad2/3-dependent mechanisms underlying developmental progression.
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