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Maintenance of mouse trophoblast stem cell proliferation by TGF-β/activin

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Erlebacher, Adrian, Price, Kelly A., Glimcher, Laurie H.·2004·Developmental Biology

Abstract

Mouse trophoblast stem (TS) cells can be grown indefinitely in vitro with FGF4 and embryonic fibroblast conditioned media (EFCM). Here, we report that the active protein components of EFCM include TGF-beta and the related factor activin, and that long-term continuous TS cell proliferation is possible in media supplemented with only serum, FGF4, and TGF-beta. As trophoblasts are an epithelial cell type, the promotion of TS cell proliferation represents an unusual function for TGF-beta and activin since TGF-beta in particular is well known as an inhibitor of nontransformed epithelial cell proliferation. Our data suggest that constitutive FGF signaling in TS cells selectively inhibits the ability of TGF-beta to repress c-myc expression, a central component of the TGF-beta cytostatic transcriptional response previously observed to be lost in other epithelial cell types upon oncogenic Ras transformation.

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Crossref · 10.1016/j.ydbio.2004.07.032

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Metadata

Authors
Erlebacher, A., Price, K. A., & Glimcher, L. H.
Venue
Developmental Biology
Publisher
Elsevier BV
Published
2004-11
Volume
275
Issue
1
Pages
158-169
ISSN
0012-1606 (ISSN-L)
OpenAlex
W1970062529
Cited by
184
References
4
FWCI
1.86
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Maintenance of mouse trophoblast stem cell proliferation by TGF-β/activin. https://app.cochat.ai/papers/10.1016/j.ydbio.2004.07.032
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Erlebacher, A., Price, K. A., & Glimcher, L. H. (2004). Maintenance of mouse trophoblast stem cell proliferation by TGF-β/activin. Developmental Biology. https://doi.org/10.1016/j.ydbio.2004.07.032

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.