Evidence map›Paper›PMID 31245498›Full record

ArticleRegenerative therapy2016

In vivo maturation of human embryonic stem cell-derived teratoma over time.

Hidenori Akutsu, Michiyo Nasu, Shojiroh Morinaga, Teiichi Motoyama, Natsumi Homma, Masakazu Machida, Mayu Yamazaki-Inoue, Kohji Okamura, Kazuhiko Nakabayashi, Shuji Takada and 4 more

Open access · goldAbstract read
In one paragraph

Article in Regenerative therapy, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
0.5field-weighted citation impact, top 28% 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

13 citing papers in PubMed, 35 citations in OpenAlex.

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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

14 authors at 3 institutions in 1 country.

Hidenori AkutsuDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Michiyo NasuDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Shojiroh MorinagaDepartment of Pathology, Kitasato Institute Hospital, Tokyo, Japan.
Teiichi MotoyamaDepartment of Pathology, Yamagata University School of Medicine, Yamagata, Japan.
Natsumi HommaDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Masakazu MachidaDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Mayu Yamazaki-InoueDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Kohji OkamuraDepartment of Systems BioMedicine, National Research Institute for Child Health and Development, Tokyo, Japan.
Kazuhiko NakabayashiDepartment of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Shuji TakadaDepartment of Systems BioMedicine, National Research Institute for Child Health and Development, Tokyo, Japan.
Naoko NakamuraDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Seiichi KanzakiDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Kenichiro HataDepartment of Maternal-Fetal Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
Akihiro UmezawaDepartment of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan.
National Center For Child Health and Development · JPKitasato Institute Hospital · JPYamagata University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Transformation of human embryonic stem cells (hESC) is of interest to scientists who use them as a raw material for cell-processed therapeutic products. However, the WHO and ICH guidelines provide only study design advice and general principles for tumorigenicity tests. In this study, we performed in vivo tumorigenicity tests (teratoma formation) and genome-wide sequencing analysis of undifferentiated hESCs i.e. SEES-1, -2 and -3 cells. We followed up with teratoma formation histopathologically after subcutaneous injection of SEES cells into immunodeficient mice in a qualitative manner and investigated the transforming potential of the teratomas. Maturity of SEES-teratomas perceptibly increased after long-term implantation, while areas of each tissue component remained unchanged. We found neither atypical cells/structures nor cancer in the teratomas even after long-term implantation. The teratomas generated by SEES cells matured histologically over time and did not increase in size. We also analyzed genomic structures and sequences of SEES cells during cultivation by SNP bead arrays and next-generation sequencing, respectively. The nucleotide substitution rate was 3.1 × 10

Indexed as

Comparative genomic hybridizationMorphometryNext generation sequencingNucleotide substitution ratePluripotent stem cellSingle nucleotide mutation

Identifiers

PMID31245498
PMCPMC6581884
OpenAlexW2495130116

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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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.