Evidence map›Paper›PMID 19350678›Full record

ArticleStem cells (Dayton, Ohio)2009

Derivation of primordial germ cells from human embryonic and induced pluripotent stem cells is significantly improved by coculture with human fetal gonadal cells.

Tae Sub Park, Zoran Galic, Anne E Conway, Anne Lindgren, Benjamin J van Handel, Mattias Magnusson, Laura Richter, Michael A Teitell, Hanna K A Mikkola, William E Lowry and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Stem cells (Dayton, Ohio), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 106 papers.

0numbers the graph read from it
0cells of the map it votes in
106citing papers in PubMed
12.0field-weighted citation impact, top 1% 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

106 citing papers in PubMed, 266 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Article
  5. Review
  6. Generation of mouse and rat xenogeneic ovariesAnimal cells and systems · 2024
    Article
  7. Frontiers in cell and developmental biology · 2024
    Review
  8. Review
  9. Review
  10. Article
  11. Review
  12. Early Gonadal Development and Sex Determination in Mammal.International journal of molecular sciences · 2022
    Review
  13. Review
  14. Article
  15. Transcriptional control of human gametogenesis.Human reproduction update · 2022
    Article
  16. Review
  17. Germline specification from pluripotent stem cells.Stem cell research & therapy · 2022
    Review
  18. Article
  19. Article
  20. Regenerative Medicine Approaches in Bioengineering Female Reproductive Tissues.Reproductive sciences (Thousand Oaks, Calif.) · 2021
    Review

46 more citing papers are in PubMed but not listed here.

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

12 authors at 3 institutions in 1 country.

Tae Sub ParkDepartment of Molecular Cell and Developmental Biology, University of California, Los Angeles, CA, USA.
Zoran Galic
Anne E Conway
Anne Lindgren
Benjamin J van Handel
Mattias Magnusson
Laura Richter
Michael A Teitell
Hanna K A Mikkola
William E Lowry
Kathrin Plath
Amander T Clark
University of California, Los Angeles · USBroad Center · USUniversity of Colorado Cancer Center · US

Funding

Human Embryonic Stem Cell CoreP01GM081621 · NIGMS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI SUN, YI EVE · 2008 to 2012
$9.3M
Understanding Epigenetic Remodeling in Primordial Germ CellsR01HD058047 · NICHD · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI CLARK, AMANDER · 2009 to 2023
$5.6M
NICHD NIH HHS R01 HD058047NIGMS NIH HHS P01 GM081621NIGMS NIH HHS P01 GM081621-01A1
6 · The paper itself

Abstract

The derivation of germ cells from human embryonic stem cells (hESCs) or human induced pluripotent stem (hIPS) cells represents a desirable experimental model and potential strategy for treating infertility. In the current study, we developed a triple biomarker assay for identifying and isolating human primordial germ cells (PGCs) by first evaluating human PGC formation during the first trimester in vivo. Next, we applied this technology to characterizing in vitro derived PGCs (iPGCs) from pluripotent cells. Our results show that codifferentiation of hESCs on human fetal gonadal stromal cells significantly improves the efficiency of generating iPGCs. Furthermore, the efficiency was comparable between various pluripotent cell lines regardless of origin from the inner cell mass of human blastocysts (hESCs), or reprogramming of human skin fibroblasts (hIPS). To better characterize the iPGCs, we performed Real-time polymerase chain reaction, microarray, and bisulfite sequencing. Our results show that iPGCs at day 7 of differentiation are transcriptionally distinct from the somatic cells, expressing genes associated with pluripotency and germ cell development while repressing genes associated with somatic differentiation (specifically multiple HOX genes). Using bisulfite sequencing, we show that iPGCs initiate imprint erasure from differentially methylated imprinted regions by day 7 of differentiation. However, iPGCs derived from hIPS cells do not initiate imprint erasure as efficiently. In conclusion, our results indicate that triple positive iPGCs derived from pluripotent cells differentiated on hFGS cells correspond to committed first trimester germ cells (before 9 weeks) that have initiated the process of imprint erasure.

Indexed as

Biological AssayBiomarkersCell DifferentiationCoculture TechniquesEmbryo, MammalianEmbryonic Stem CellsFemaleFetusFlow CytometryFluorescent Antibody TechniqueGerm CellsGonadsHumansOligonucleotide Array Sequence AnalysisPluripotent Stem CellsPregnancyBiomarkers

Identifiers

PMID19350678
PMCPMC4357362
OpenAlexW2008607886

What OpenQuestion holds

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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.