Evidence map›Paper›PMID 21221129›Full record

ArticleCell research2011

Reprogramming of ovine adult fibroblasts to pluripotency via drug-inducible expression of defined factors.

Lei Bao, Lixiazi He, Jijun Chen, Zhao Wu, Jing Liao, Lingjun Rao, Jiangtao Ren, Hui Li, Hui Zhu, Lei Qian and 7 more

Open access · bronzeAbstract read
In one paragraph

Article in Cell research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
6.4field-weighted citation impact, top 2% 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

60 citing papers in PubMed, 134 citations in OpenAlex.

  1. Replicable generation and stable maintenance of rhesus macaque iPSCs forFrontiers in cell and developmental biology · 2026
    Article
  2. Tracing and Capturing the Epiblast Pluripotency of Sheep Preimplantation Embryos.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
    Article
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  19. Perspectives of pluripotent stem cells in livestock.World journal of stem cells · 2021
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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

17 authors at 4 institutions in 2 countries.

Lei BaoLaboratory of Molecular Cell Biology, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China.
Lixiazi He
Jijun Chen
Zhao Wu
Jing Liao
Lingjun Rao
Jiangtao Ren
Hui Li
Hui Zhu
Lei Qian
Yijun Gu
Huimin Dai
Xun Xu
Jinqiu Zhou
Wen Wang
Chun Cui
Lei Xiao
Chinese Academy of Sciences · CNCenter for Excellence in Molecular Cell Science · CNShanghai Institutes for Biological Sciences · CNXiangyang Central Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Reprogramming of somatic cells in the enucleated egg made Dolly, the sheep, the first successfully cloned mammal in 1996. However, the mechanism of sheep somatic cell reprogramming has not yet been addressed. Moreover, sheep embryonic stem (ES) cells are still not available, which limits the generation of precise gene-modified sheep. In this study, we report that sheep somatic cells can be directly reprogrammed to induced pluripotent stem (iPS) cells using defined factors (Oct4, Sox2, c-Myc, Klf4, Nanog, Lin28, SV40 large T and hTERT). Our observations indicated that somatic cells from sheep are more difficult to reprogram than somatic cells from other species, in which iPS cells have been reported. We demonstrated that sheep iPS cells express ES cell markers, including alkaline phosphatase, Oct4, Nanog, Sox2, Rex1, stage-specific embryonic antigen-1, TRA-1-60, TRA-1-81 and E-cadherin. Sheep iPS cells exhibited normal karyotypes and were able to differentiate into all three germ layers both in vitro and in teratomas. Our study may help to reveal the mechanism of somatic cell reprogramming in sheep and provide a platform to explore the culture conditions for sheep ES cells. Moreover, sheep iPS cells may be directly used to generate precise gene-modified sheep.

Indexed as

Cellular ReprogrammingAnimalsBase SequenceBiomarkersCell DifferentiationCells, CulturedDoxycyclineEmbryonic Stem CellsEpigenomicsFibroblastsInduced Pluripotent Stem CellsKruppel-Like Factor 4LentivirusMicePolymerase Chain ReactionSequence Analysis, DNABiomarkersDoxycyclineKlf4 protein, mouseKruppel-Like Factor 4

Identifiers

PMID21221129
PMCPMC3203662
OpenAlexW2076389523

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.