Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Induction of pluripotency in mouse somatic cells with novel factors (expression)

ABSTRACT: For years, reprogramming factors that induce pluripotency have been identified primarily from ESC-enriched factors, pluripotency-associated factors such as Oct4, Sox2, Klf4, c-Myc, Nanog, Esrrb, Sall4, Utf1, Lin28, PRDM14, and Tet2. Through genome-wide screen we identified novel regulators of reprogramming. Our study is the first proof-of-principle report to suggest a putative general mathematical model. This model provides novel mechanistic insight into the fundamental understanding of the establishment of cellular identity during programming and reprogramming. Through genome-wide screen to identify novel factors of reprogramming in addition to Oct4, Sox2, Klf4, cMyc Through genome-wide screen to identify novel factors of reprogramming in addition to Oct4, Sox2, Klf4, cMyc. Induced pluripotent stem cells versus mouse embryonic fibroblast.

ORGANISM(S): Mus musculus

SUBMITTER: Hongkui Deng

PROVIDER: E-GEOD-47441 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Induction of pluripotency in mouse somatic cells with lineage specifiers.

Shu Jian J Wu Chen C Wu Yetao Y Li Zhiyuan Z Shao Sida S Zhao Wenhui W Tang Xing X Yang Huan H Shen Lijun L Zuo Xiaohan X Yang Weifeng W Shi Yan Y Chi Xiaochun X Zhang Hongquan H Gao Ge G Shu Youmin Y Yuan Kehu K He Weiwu W Tang Chao C Zhao Yang Y Deng Hongkui H

Cell 20130501 5

The reprogramming factors that induce pluripotency have been identified primarily from embryonic stem cell (ESC)-enriched, pluripotency-associated factors. Here, we report that, during mouse somatic cell reprogramming, pluripotency can be induced with lineage specifiers that are pluripotency rivals to suppress ESC identity, most of which are not enriched in ESCs. We found that OCT4 and SOX2, the core regulators of pluripotency, can be replaced by lineage specifiers that are involved in mesendode ...[more]

PMID: 23706735

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Project description:Pluripotent stem cells can be induced from somatic cells, providing an unlimited cell resource for regenerative medicine. However, genetic manipulation and difficult-to-manufacture strategies used in reprogramming limit their clinical applications. Here, we show pluripotency can be induced from mouse somatic cells by specific small-molecule compounds. The completely chemically-induced pluripotent stem cells (CiPSCs) can be stably maintained in embryonic stem cell (ESC) culture medium and resemble ESCs in terms of their gene expression profiles, epigenetic status, and potential for differentiation and germline transmission. These findings suggest that exogenous master genes are dispensable for cell fate reprogramming and pave the way for the clinical application of somatic reprogramming techniques. Pluripotent stem cells can be induced from somatic cells, providing an unlimited cell resource for regenerative medicine. However, genetic manipulation and difficult-to-manufacture strategies used in reprogramming limit their clinical applications. Here, we show pluripotency can be induced from mouse somatic cells by specific small-molecule compounds. The completely chemically-induced pluripotent stem cells (CiPSCs) can be stably maintained in embryonic stem cell (ESC) culture medium and resemble ESCs in terms of their gene expression profiles, epigenetic status, and potential for differentiation and germline transmission. These findings suggest that exogenous master genes are dispensable for cell fate reprogramming and pave the way for the clinical application of somatic reprogramming techniques. Chemicals' acronyms: V, VPA; C, CHIR; 6, 616452; T, tranylcypromine; F, FSK; Z, DZNep; P, PGE2; R, RG108; S, SRT1720; M, 2-Me-5HT; D, D4476; B, Sodium butyrate. To compare the global gene expression pofile of mouse embryonic fibroblasts (MEFs), mouse adult lung fibroblasts (MAFs), mouse neonatal fibroblasts (MNFs), adipose-derived stem cells (ADSCs), chemical induced pluripotent stem cells (CiPS), embryonic stem cells (ESCs) and OSKM-iPSCs. We profiled the mRNA expression of each sample by microarray (Mouse OneArray® v2, Phalanx). Different sample set was normalized for different purpose. Set1: MEFs1, CiPS34, MNF CIPS7, CiPS50 CiPS21, OSKM-iPS1 and ESCs1 were analyzed, each sample have three replicates; Set2: MNFs, MAFs, ADSCs, MNF CiPS1, MAF CiPS3, CiPS45, ADSC CiPS2, OSKM iPS2 and ESCs2 were analyzed, each sample have three replicates; Set3: WT MEFs, ESCs3, CiPS WT1 and CiPS WT2 were analyzed, each sample have two replicates; Set4: MEFs2, SKM-FSK1, SKM-FSK2 and ESCs4 were analyzed, each sample have three replicates; Set5: MEFs3, ESCs5, CiPSCs, D12, D20 and D32 were analyzed, each sample have two replicates.

Dataset Information

Induction of pluripotency in mouse somatic cells with novel factors (expression)

Publications

Induction of pluripotency in mouse somatic cells with lineage specifiers.

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