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3 results on '"Hun S"'

1. Transient naive reprogramming corrects hiPS cells functionally and epigenetically

Author

Buckberry, Sam, primary, Liu, Xiaodong, additional, Poppe, Daniel, additional, Tan, Jia Ping, additional, Sun, Guizhi, additional, Chen, Joseph, additional, Nguyen, Trung Viet, additional, de Mendoza, Alex, additional, Pflueger, Jahnvi, additional, Frazer, Thomas, additional, Vargas-Landín, Dulce B., additional, Paynter, Jacob M., additional, Smits, Nathan, additional, Liu, Ning, additional, Ouyang, John F., additional, Rossello, Fernando J., additional, Chy, Hun S., additional, Rackham, Owen J. L., additional, Laslett, Andrew L., additional, Breen, James, additional, Faulkner, Geoffrey J., additional, Nefzger, Christian M., additional, Polo, Jose M., additional, and Lister, Ryan, additional

Published
2023
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2. Reprogramming roadmap reveals route to human induced trophoblast stem cells

Author

Anna L. Leichter, Carmel M. O’Brien, David R. Powell, Hun S. Chy, Jahnvi Pflueger, Ziyi Huang, Guizhi Sun, Amander T. Clark, Joseph Chen, Jacob M. Paynter, Andrew L. Laslett, Xin Yi Choo, Sam Buckberry, Christian M. Nefzger, Haroon Naeem, Jaber Firas, Pratibha Tripathi, John F. Ouyang, Vincent Tano, Daniela S. Valdes, Jia Ping Tan, Susan K. Nilsson, Michael R. Larcombe, Daniel Poppe, Di Chen, Fernando J. Rossello, Jan Schröder, Xiaodong Liu, Alexandra Grubman, Anja S Knaupp, Owen J. L. Rackham, Jose M. Polo, Ryan Lister, Yu Bo Yang Sun, Luciano G. Martelotto, Laurent David, William A. Pastor, Kathryn C. Davidson, and Partha Pratim Das

Subjects
Adult, Transcription, Genetic, Somatic cell, Induced Pluripotent Stem Cells, Biology, Transcriptome, 03 medical and health sciences, 0302 clinical medicine, Ectoderm, medicine, Humans, Induced pluripotent stem cell, reproductive and urinary physiology, 030304 developmental biology, 0303 health sciences, Multidisciplinary, Trophoblast, Fibroblasts, Cellular Reprogramming, Embryonic stem cell, Chromatin, Trophoblasts, Cell biology, medicine.anatomical_structure, Gene Expression Regulation, embryonic structures, Female, Stem cell, Reprogramming, 030217 neurology & neurosurgery
Abstract

The reprogramming of human somatic cells to primed or naive induced pluripotent stem cells recapitulates the stages of early embryonic development 1–6. The molecular mechanism that underpins these reprogramming processes remains largely unexplored, which impedes our understanding and limits rational improvements to reprogramming protocols. Here, to address these issues, we reconstruct molecular reprogramming trajectories of human dermal fibroblasts using single-cell transcriptomics. This revealed that reprogramming into primed and naive pluripotency follows diverging and distinct trajectories. Moreover, genome-wide analyses of accessible chromatin showed key changes in the regulatory elements of core pluripotency genes, and orchestrated global changes in chromatin accessibility over time. Integrated analysis of these datasets revealed a role for transcription factors associated with the trophectoderm lineage, and the existence of a subpopulation of cells that enter a trophectoderm-like state during reprogramming. Furthermore, this trophectoderm-like state could be captured, which enabled the derivation of induced trophoblast stem cells. Induced trophoblast stem cells are molecularly and functionally similar to trophoblast stem cells derived from human blastocysts or first-trimester placentas 7. Our results provide a high-resolution roadmap for the transcription-factor-mediated reprogramming of human somatic cells, indicate a role for the trophectoderm-lineage-specific regulatory program during this process, and facilitate the direct reprogramming of somatic cells into induced trophoblast stem cells.

Published
2020

3. Reprogramming roadmap reveals route to human induced trophoblast stem cells

Author

Liu, Xiaodong, primary, Ouyang, John F., additional, Rossello, Fernando J., additional, Tan, Jia Ping, additional, Davidson, Kathryn C., additional, Valdes, Daniela S., additional, Schröder, Jan, additional, Sun, Yu B. Y., additional, Chen, Joseph, additional, Knaupp, Anja S., additional, Sun, Guizhi, additional, Chy, Hun S., additional, Huang, Ziyi, additional, Pflueger, Jahnvi, additional, Firas, Jaber, additional, Tano, Vincent, additional, Buckberry, Sam, additional, Paynter, Jacob M., additional, Larcombe, Michael R., additional, Poppe, Daniel, additional, Choo, Xin Yi, additional, O’Brien, Carmel M., additional, Pastor, William A., additional, Chen, Di, additional, Leichter, Anna L., additional, Naeem, Haroon, additional, Tripathi, Pratibha, additional, Das, Partha P., additional, Grubman, Alexandra, additional, Powell, David R., additional, Laslett, Andrew L., additional, David, Laurent, additional, Nilsson, Susan K., additional, Clark, Amander T., additional, Lister, Ryan, additional, Nefzger, Christian M., additional, Martelotto, Luciano G., additional, Rackham, Owen J. L., additional, and Polo, Jose M., additional

Published
2020
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