Evidence map›Paper›PMID 27161365›Full record

ArticleStem cell reports2016

Enhanced Generation of Integration-free iPSCs from Human Adult Peripheral Blood Mononuclear Cells with an Optimal Combination of Episomal Vectors.

Wei Wen, Jian-Ping Zhang, Jing Xu, Ruijun Jeanna Su, Amanda Neises, Guang-Zhen Ji, Weiping Yuan, Tao Cheng, Xiao-Bing Zhang

Abstract read
In one paragraph

Article in Stem cell reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
–field-weighted citation impact
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

31 citing papers in PubMed.

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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

9 authors.

Wei WenState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China.
Jian-Ping ZhangState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China.
Jing XuState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China.
Ruijun Jeanna SuDivision of Regenerative Medicine MC1528B, Department of Medicine, Loma Linda University, 11234 Anderson Street, Loma Linda, CA 92350, USA.
Amanda NeisesDivision of Regenerative Medicine MC1528B, Department of Medicine, Loma Linda University, 11234 Anderson Street, Loma Linda, CA 92350, USA.
Guang-Zhen JiState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China.
Weiping YuanState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China.
Tao ChengState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China. Electronic address: chengtao@ihcams.ac.cn.
Xiao-Bing ZhangState Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Collaborative Innovation Center for Cancer Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China; Division of Regenerative Medicine MC1528B, Department of Medicine, Loma Linda University, 11234 Anderson Street, Loma Linda, CA 92350, USA. Electronic address: xzhang@llu.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We previously reported the generation of integration-free induced pluripotent stem cells from adult peripheral blood (PB) with an improved episomal vector (EV) system, which uses the spleen focus-forming virus U3 promoter and an extra factor BCL-XL (B). Here we show an ∼100-fold increase in efficiency by optimizing the vector combination. The two most critical factors are: (1) equimolar expression of OCT4 (O) and SOX2 (S), by using a 2A linker; (2) a higher and gradual increase in the MYC (M) to KLF4 (K) ratio during the course of reprogramming, by using two individual vectors to express M and K instead of one. The combination of EV plasmids (OS + M + K + B) is comparable with Sendai virus in reprogramming efficiency but at a fraction of the cost. The generated iPSCs are indistinguishable from those from our previous approach in pluripotency and phenotype. This improvement lays the foundation for broad applications of episomal vectors in PB reprogramming.

Indexed as

Cellular ReprogrammingAdultbcl-X ProteinBiomarkersCell DifferentiationGene ExpressionGenetic EngineeringGenetic VectorsHumansInduced Pluripotent Stem CellsKruppel-Like Factor 4Kruppel-Like Transcription FactorsLeukocytes, MononuclearOctamer Transcription Factor-3PlasmidsPrimary Cell CultureBCL2L1 protein, humanbcl-X ProteinBiomarkersKLF4 protein, humanKruppel-Like Factor 4Kruppel-Like Transcription FactorsMYC protein, humanOctamer Transcription Factor-3POU5F1 protein, humanProto-Oncogene Proteins c-mycSOX2 protein, humanSOXB1 Transcription Factorsepisomal vectorshuman induced pluripotent stem cellsperipheral blood mononuclear cellssendai viral vectors

Identifiers

PMID27161365
PMCPMC4911493

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Registered trials

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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.