Evidence map›Paper›PMID 22722371›Full record

ArticleNature protocols2012

Derivation and propagation of human embryonic stem cell lines from frozen embryos in an animal product-free environment.

Emma Stephenson, Laureen Jacquet, Cristian Miere, Victoria Wood, Neli Kadeva, Glenda Cornwell, Stefano Codognotto, Yaser Dajani, Peter Braude, Dusko Ilic

Abstract read
PubMed Publisher
In one paragraph

Article in Nature protocols, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
4.0field-weighted citation impact, top 5% 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

41 citing papers in PubMed, 74 citations in OpenAlex.

  1. Article
  2. Animal product-free formation and cultivation of three-dimensional primary hepatocyte spheroids.Drug metabolism and disposition: the biological fate of chemicals · 2025
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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

10 authors at 2 institutions in 1 country.

Emma StephensonEmbryonic Stem Cell Laboratories, Guy's Assisted Conception Unit, Division of Women's Health, King's College School of Medicine, London, UK.
Laureen Jacquet
Cristian Miere
Victoria Wood
Neli Kadeva
Glenda Cornwell
Stefano Codognotto
Yaser Dajani
Peter Braude
Dusko Ilic
King's College School · GBSt Thomas' Hospital · GB

Funding

Medical Research Council G0701172Medical Research Council G0801061
6 · The paper itself

Abstract

The protocols described here are comprehensive instructions for deriving human embryonic stem (hES) cell lines in xeno-free conditions from cryopreserved embryos. Details are included for propagation, cryopreservation and characterization. Initial derivation is on feeder cells and is followed by adaptation to a feeder-free environment; competent technicians can perform these simplified methods easily. From derivation to cryopreservation of fully characterized initial stocks takes 3-4 months. These protocols served as the basis for standard operating procedures (SOPs), with both operational and technical components, that we set to meet good manufacturing practice (GMP) and UK regulatory body requirements for derivation of clinical-grade cells. As such, these SOPs are currently used in our current GMP compliant facility to derive hES cell lines ab initio, in an animal product-free environment; these lines are suitable for research and potentially for clinical use in cell therapy. So far, we have derived eight clinical-grade lines, which will be freely available to the scientific community after submission/accession to the UK Stem Cell Bank.

Indexed as

BlastocystCell Culture TechniquesCell LineCryopreservationEmbryonic Stem CellsHumansLaser Capture MicrodissectionUnited Kingdom

Identifiers

PMID22722371
OpenAlexW2018095272

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.