Open Access
Mechanisms and models of somatic cell reprogramming
TLDR
Whitehead Institute for Biomedical Research (Jerome and Florence Brill Graduate Student Fellowship) as discussed by the authors ) was the first recipient of the WBIR grant. But this work was performed in a supervised setting.Abstract:
Whitehead Institute for Biomedical Research (Jerome and Florence Brill Graduate Student Fellowship)read more
Citations
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Transcriptional Addiction in Cancer
TL;DR: How transcriptional control is disrupted by genetic alterations in cancer cells, why transcriptional dependencies can develop as a consequence of dysregulated programs, and how these dependencies provide opportunities for novel therapeutic interventions in cancer are discussed.
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A decade of transcription factor-mediated reprogramming to pluripotency
TL;DR: The mechanisms underlying transcription factor-mediated reprogramming are still poorly understood; however, several mechanistic insights have recently been obtained, making it more amenable to applications in the fields of regenerative medicine, disease modelling and drug discovery.
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Pioneer transcription factors target partial DNA motifs on nucleosomes to initiate reprogramming
Abdenour Soufi,Meilin Fernandez Garcia,Artur Jaroszewicz,Nebiyu Osman,Matteo Pellegrini,Kenneth S. Zaret +5 more
TL;DR: This work compares the nucleosome and chromatin targeting activities of Oct4, Sox2, and Klf4, which together reprogram somatic cells to pluripotency and provides insight into how pioneer factors can target naive chromatin sites.
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In Vivo Amelioration of Age-Associated Hallmarks by Partial Reprogramming
Alejandro Ocampo,Pradeep Reddy,Paloma Martinez-Redondo,Aida Platero-Luengo,Fumiyuki Hatanaka,Tomoaki Hishida,Mo Li,David Lam,Masakazu Kurita,Masakazu Kurita,Ergin Beyret,Toshikazu Araoka,Toshikazu Araoka,Eric Vazquez-Ferrer,David Donoso,Jose Luis Roman,Jinna Xu,Concepcion Rodriguez Esteban,Gabriel Núñez,Estrella Nuñez Delicado,Josep M. Campistol,Isabel Guillen,Pedro Guillen,Juan Carlos Izpisua Belmonte +23 more
TL;DR: It is reported that partial reprogramming by short-term cyclic expression of Oct4, Sox2, Klf4, and c-Myc (OSKM) ameliorates cellular and physiological hallmarks of aging and prolongs lifespan in a mouse model of premature aging.
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Transcription factors as readers and effectors of DNA methylation
Heng Zhu,Guohua Wang,Jiang Qian +2 more
TL;DR: Evidence is emerging to suggest that transcription factors lacking a MBD can also interact with methylated DNA, and the identification of these proteins and the elucidation of their characteristics and the biological consequences are important stepping stones towards a mechanistic understanding of methylation-mediated biological processes.
References
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Mediator and cohesin connect gene expression and chromatin architecture
Michael H. Kagey,Jamie J. Newman,Steve Bilodeau,Ye Zhan,David A. Orlando,Nynke L. van Berkum,Christopher C. Ebmeier,Jesse Goossens,Peter B. Rahl,Stuart S. Levine,Dylan J. Taatjes,Job Dekker,Richard A. Young +12 more
TL;DR: It is reported that mediator and cohesin physically and functionally connect the enhancers and core promoters of active genes in murine embryonic stem cells.
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Induction of pluripotent stem cells by defined factors is greatly improved by small-molecule compounds
Danwei Huangfu,René Maehr,Wenjun Guo,Astrid Eijkelenboom,Astrid Eijkelenboom,Melinda Snitow,Alice E. Chen,Douglas A. Melton +7 more
TL;DR: Valproic acid (VPA), an HDAC inhibitor, improves reprogramming efficiency by more than 100-fold, using Oct4-GFP as a reporter and enables efficient induction of pluripotent stem cells without introduction of the oncogene c-Myc.
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Hotspots of aberrant epigenomic reprogramming in human induced pluripotent stem cells
Ryan Lister,Mattia Pelizzola,Yasuyuki S. Kida,R. David Hawkins,Joseph R. Nery,Gary C. Hon,Jessica Antosiewicz-Bourget,Jessica Antosiewicz-Bourget,Ronan C. O'Malley,Rosa Castanon,Sarit Klugman,Michael Downes,Ruth T. Yu,Ron Stewart,Ron Stewart,Bing Ren,Bing Ren,James A. Thomson,Ronald M. Evans,Joseph R. Ecker +19 more
TL;DR: The first whole-genome profiles of DNA methylation at single-base resolution in five human iPSC lines, along with methylomes of ES cells, somatic cells, and differentiated iPSCs and ES cells are reported.
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Stem Cells, the Molecular Circuitry of Pluripotency and Nuclear Reprogramming
Rudolf Jaenisch,Richard A. Young +1 more
TL;DR: In this article, the authors review strategies to reprogram somatic cells to a pluripotent embryonic state and discuss their understanding of the molecular mechanisms of reprogramming based on recent insights into the regulatory circuitry of the PLSTM.
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The long-range interaction landscape of gene promoters
TL;DR: In this paper, the authors applied chromosome conformation capture carbon copy (5C) to interrogate comprehensively interactions between transcription start sites (TSSs) and distal elements in 1% of the human genome representing the ENCODE pilot project regions.