Evidence map›Paper›PMID 19194525›Full record

ArticleStem cell research2007

Effects of fgf2 and oxygen in the bmp4-driven differentiation of trophoblast from human embryonic stem cells.

Padmalaya Das, Toshihiko Ezashi, Laura C Schulz, Suzanne D Westfall, Kimberly A Livingston, R Michael Roberts

Open access · greenAbstract read
In one paragraph

Article in Stem cell research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
0.9field-weighted citation impact, top 27% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

56 citing papers in PubMed, 91 citations in OpenAlex.

  1. Synthetic embryos: current progress, application and challenges.Reproductive biology and endocrinology : RB&E · 2026
    Review
  2. Review
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  5. Article
  6. Article
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  8. Review
  9. The role of BMP4 signaling in trophoblast emergence from pluripotency.Cellular and molecular life sciences : CMLS · 2022
    Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
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  18. Three types of HLA-G+ extravillous trophoblasts that have distinct immune regulatory properties.Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Padmalaya DasDepartment of Animal Sciences, University of Missouri-Columbia, Christopher S. Bond Life Sciences Center, 65211, USA.
Toshihiko Ezashi
Laura C Schulz
Suzanne D Westfall
Kimberly A Livingston
R Michael Roberts
University of Missouri · US

Funding

INTERACTION BETWEEN BLASTOCYST AND UTERINE ENDOMETRIUMR01HD021896 · NICHD · UNIVERSITY OF MISSOURI-COLUMBIA · PI ROBERTS, R. MICHAEL · 1986 to 2010
$2.8M
Transcription Factors in Trophectoderm DifferentiationR01HD042201 · NICHD · UNIVERSITY OF MISSOURI-COLUMBIA · PI ROBERTS, ROBERT MICHAEL · 2003 to 2007
$1.5M
NICHD NIH HHS HD042201NICHD NIH HHS R01 HD021896NICHD NIH HHS R01 HD042201
6 · The paper itself

Abstract

Human embryonic stem cells (hESC) differentiate into trophoblast when treated with BMP4. Here we studied the effects of either low (4 % O(2), L) or atmospheric O(2) (20% O(2), A) in the presence and absence of FGF2 on H1 hESC cultured in presence of BMP4. Differentiation progressed from the periphery towards the center of colonies. It occurred most quickly in the absence of FGF2 and under A and was slowest in presence of FGF2 and under L. Chorionic gonadotrophin (CG) production required A while FGF2 suppressed progesterone synthesis under both A and L. FGF2 was then omitted while we examined trophoblast markers SSEA-1 and cytokeratin-7 and -8, whose expression also progressed inwards from the periphery of colonies and occurred more rapidly under A than L. By day 5, most cells outside central islands of Oct4-positive cells were positive for these antigens under both conditions and many also expressed HLA-G, a marker of extra-villous cytotrophoblast. Under A, but not L, CGalpha and CGbeta became prominent in GATA2-positive, peripherally located, multinucleated cells. In conclusion, BMP4 induced conversion of hESC exclusively towards trophoblast; FGF2 slowed differentiation, while O(2) accelerated this process and promoted syncytiotrophoblast formation.

Indexed as

BiomarkersBone Morphogenetic Protein 4Cell Culture TechniquesCell DifferentiationDose-Response Relationship, DrugEmbryonic Stem CellsFibroblast Growth Factor 2HumansKineticsOxygenTrophoblastsBiomarkersBMP4 protein, humanBone Morphogenetic Protein 4Fibroblast Growth Factor 2OxygenCytokeratinCytotrophoblastHLA-GHuman chorionic gonadotropinProgesteroneSyncytiotrophoblast

Identifiers

PMID19194525
PMCPMC2634289
OpenAlexW2045492435

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.