Tag Archives: induced pluripotent stem cells

BEaTS-α an Open Access 3D Printed Device for In Vitro Electromechanical Stimulation of Human Induced Pluripotent Stem Cells

Scientists assessed the capabilities of an open access device to support cardiac myocytes derived from human iPSCs, confirming that cells cultured under electromechanical stimulation presented a defined/mature cardiomyocyte phenotype.
[Scientific Reports]
Cortes, D., McTiernan, C. D., Ruel, M., Franco, W., Chu, C., Liang, W., Suuronen, E. J., & Alarcon, E. I. (2020). BEaTS-α an open access 3D printed device for in vitro electromechanical stimulation of human induced pluripotent stem cells. Scientific Reports, 10(1), 11274. https://doi.org/10.1038/s41598-020-67169-1 Cite
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Loss of Function of the Mitochondrial Peptidase PITRM1 Induces Proteotoxic Stress and Alzheimer’s Disease-Like Pathology in Human Cerebral Organoids

To investigate the pathogenetic mechanisms of mitochondrial presequence processing, researchers employed cortical neurons and cerebral organoids generated from PITRM1-knockout human iPSCs.
[Molecular Psychiatry]
Pérez, M. J., Ivanyuk, D., Panagiotakopoulou, V., Di Napoli, G., Kalb, S., Brunetti, D., Al-Shaana, R., Kaeser, S. A., Fraschka, S. A.-K., Jucker, M., Zeviani, M., Viscomi, C., & Deleidi, M. (2020). Loss of function of the mitochondrial peptidase PITRM1 induces proteotoxic stress and Alzheimer’s disease-like pathology in human cerebral organoids. Molecular Psychiatry, 1–18. https://doi.org/10.1038/s41380-020-0807-4 Cite
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Pre-Clinical Study of Induced Pluripotent Stem Cell-Derived Dopaminergic Progenitor Cells for Parkinson’s Disease

Scientists evaluated the safety and efficacy of dopaminergic progenitors (DAPs) derived from a clinical-grade human iPSC line. They confirmed the characteristics of DAPs by in vitro analyses.
[Nature Communications]
Doi, D., Magotani, H., Kikuchi, T., Ikeda, M., Hiramatsu, S., Yoshida, K., Amano, N., Nomura, M., Umekage, M., Morizane, A., & Takahashi, J. (2020). Pre-clinical study of induced pluripotent stem cell-derived dopaminergic progenitor cells for Parkinson’s disease. Nature Communications, 11(1), 3369. https://doi.org/10.1038/s41467-020-17165-w Cite
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RNA Is Essential for PRC2 Chromatin Occupancy and Function in Human Pluripotent Stem Cells

Investigators found that polycomb repressive complex 2 (PRC2) required RNA binding for chromatin localization in human PSCs and in turn for defining cellular state.
[Nature Genetics]
Long, Y., Hwang, T., Gooding, A. R., Goodrich, K. J., Rinn, J. L., & Cech, T. R. (2020). RNA is essential for PRC2 chromatin occupancy and function in human pluripotent stem cells. Nature Genetics, 1–8. https://doi.org/10.1038/s41588-020-0662-x Cite
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Transient Exposure to miR-203 Enhances the Differentiation Capacity of Established Pluripotent Stem Cells

Researchers showed that transient exposure to a single microRNA, expressed at early stages during normal development, improved the differentiation capacity of already‐established murine and human PSCs.
[EMBO Journal]
Salazar-Roa, M., Trakala, M., Álvarez-Fernández, M., Valdés-Mora, F., Zhong, C., Muñoz, J., Yu, Y., Peters, T. J., Graña-Castro, O., Serrano, R., Zapatero-Solana, E., Abad, M., Bueno, M. J., de Cedrón, M. G., Fernández-Piqueras, J., Serrano, M., Blasco, M. A., Wang, D.-Z., Clark, S. J., … Malumbres, M. (2020). Transient exposure to miR-203 enhances the differentiation capacity of established pluripotent stem cells. The EMBO Journal, n/a(n/a), e104324. https://doi.org/10.15252/embj.2019104324 Cite
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Human iPSC-Derived Cardiomyocytes Are Susceptible to SARS-CoV-2 Infection

Investigators utilized human induced pluripotent stem cell-derived cardiomyocytes as a model to examine the mechanisms of cardiomyocyte-specific infection by SARS-CoV-2.
[Cell Reports Medicine]
Sharma, A., Garcia, G., Wang, Y., Plummer, J. T., Morizono, K., Arumugaswami, V., & Svendsen, C. N. (2020). Human iPSC-Derived Cardiomyocytes , are Susceptible to SARS-CoV-2 Infection. Cell Reports Medicine, 0(0). https://doi.org/10.1016/j.xcrm.2020.100052 Cite
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TFAP2C Facilitates Somatic Cell Reprogramming by Inhibiting c-Myc-Dependent Apoptosis and Promoting Mesenchymal-to-Epithelial Transition

Scientists demonstrated Tfap2c was induced during the generation of iPSCs from mouse fibroblasts and acted as a facilitator for iPSCs formation. Mechanistically, the c-Myc-dependent apoptosis, a roadblock to reprogramming, can be significantly mitigated by Tfap2c overexpression.
[Cell Death & Disease]
Wang, Y., Chen, S., Jiang, Q., Deng, J., Cheng, F., Lin, Y., Cheng, L., Ye, Y., Chen, X., Yao, Y., Zhang, X., Shi, G., Dai, L., Su, X., Peng, Y., & Deng, H. (2020). TFAP2C facilitates somatic cell reprogramming by inhibiting c-Myc -dependent apoptosis and promoting mesenchymal-to-epithelial transition. Cell Death & Disease, 11(6), 1–15. https://doi.org/10.1038/s41419-020-2684-9 Cite
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Robust Detection of Undifferentiated iPSC among Differentiated Cells

Scientists presented a novel method for detecting residual undifferentiated iPSCs amongst directed differentiated cells of all three germ lineages. Marker genes, expressed specifically and highly in undifferentiated iPSC, were selected from single cell RNA sequence data to perform robust and sensitive detection of residual undifferentiated cells in differentiated cell products.
[Scientific Reports]
Sekine, K., Tsuzuki, S., Yasui, R., Kobayashi, T., Ikeda, K., Hamada, Y., Kanai, E., Camp, J. G., Treutlein, B., Ueno, Y., Okamoto, S., & Taniguchi, H. (2020). Robust detection of undifferentiated iPSC among differentiated cells. Scientific Reports, 10(1), 10293. https://doi.org/10.1038/s41598-020-66845-6 Cite
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Cortical Neurons Derived from Human Pluripotent Stem Cells Lacking FMRP Display Altered Spontaneous Firing Patterns

Electrophysiological whole-cell voltage- and current-clamp recordings were performed on two control and three fragile X syndrome patient lines of human cortical neurons derived from iPSCs.
[Molecular Autism]
Cortical neurons derived from human pluripotent stem cells lacking FMRP display altered spontaneous firing patterns | Molecular Autism | Full Text. (n.d.). Retrieved June 23, 2020, from https://molecularautism.biomedcentral.com/articles/10.1186/s13229-020-00351-4 Cite
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Genome Engineering of Induced Pluripotent Stem Cells to Manufacture Natural Killer Cell Therapies

The authors highlight the current sources for natural killer (NK) therapies and their respective constraints, discuss recent developments in the manufacturing and genetic engineering of iPSC-NK cells, and provide an overview of ongoing clinical trials using NK cells.
[Stem Cell Research & Therapy]
Genome engineering of induced pluripotent stem cells to manufacture natural killer cell therapies | Stem Cell Research & Therapy | Full Text. (n.d.). Retrieved June 23, 2020, from https://stemcellres.biomedcentral.com/articles/10.1186/s13287-020-01741-4 Cite
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Century Therapeutics Announces Acquisition of Empirica Therapeutics

Century Therapeutics has announced its acquisition of Empirica Therapeutics to leverage its iPSC-derived allogeneic cell therapies against glioblastoma.
[Businesswire (Century Therapeutics)]
Century Therapeutics Announces Acquisition of Empirica Therapeutics. (2020, June 23). https://www.businesswire.com/news/home/20200623005319/en/Century-Therapeutics-Announces-Acquisition-Empirica-Therapeutics Cite
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