The KCL034 human embryonic stem cell line was derived from a normal healthy blastocyst donated for research. The ICM was isolated using laser microsurgery and plated on γ-irradiated human foreskin fibroblasts. Both the derivation and cell line propagation were performed in an animal product-free environment and under current Good Manufacturing Practice (cGMP) standards. Pluripotent state and differentiation potential were confirmed by in vitro assays. The line was also validated for sterility, specific and non-specific human pathogens.
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http://dx.doi.org/10.1016/j.scr.2015.12.034 | DOI Listing |
NPJ Regen Med
January 2025
Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA.
Cardiomyocytes (CMs) lost during ischemic cardiac injury cannot be replaced due to their limited proliferative capacity. Calcium is an important signal transducer that regulates key cellular processes, but its role in regulating CM proliferation is incompletely understood. Here we show a robust pathway for new calcium signaling-based cardiac regenerative strategies.
View Article and Find Full Text PDFJ Thromb Haemost
January 2025
Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom; Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom. Electronic address:
Background: The thromboxane A2 receptor (TPαR) plays an important role in the amplification of platelet responses during thrombosis. Receptor activity is regulated by internalization and receptor desensitization. The mechanism by which constitutive surface expression of the TPαR is regulated is unknown.
View Article and Find Full Text PDFProtein Expr Purif
January 2025
Protein Processing Section, Center for Structural Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA. Electronic address:
E6AP/UBE3A is the founding member of the HECT (Homologous to the E6-AP Carboxyl Terminus) ubiquitin E3 ligase family, which add ubiquitin post-translationally to protein substrates. E6AP has been structurally defined in complex with human papillomavirus (HPV) oncoprotein E6 and its gain-of-function substrate tumor suppressor p53; however, there is currently no report of E6AP being expressed and purified from mammalian cells, as studies to date have isolated E6AP from E. coli or insect cells.
View Article and Find Full Text PDFEnviron Pollut
January 2025
Faculdade de Ciências Farmacêuticas, Universidade Estadual de Campinas. Campinas, Brazil.
The expansion of urban settlements over native environments may expose biodiversity to a host of emerging contaminants, with unintended ecological effects. This study evaluated patterns of contamination of streamwater by antidepressants in the Upper Tietê River Basin, a watershed of high social, economic and environmental relevance for comprising both the largest urban settlement in South America (the Metropolitan Region of São Paulo) and remnants of a globally important biodiversity hotspot (the Atlantic Rainforest). We sampled 53 third-order streams draining catchments regularly distributed across a gradient in urban cover.
View Article and Find Full Text PDFStem Cell Res
December 2024
Anzhen Hospital, Capital Medical University, Beijing 100029, China; Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing 100029, China. Electronic address:
Pyruvate Dehydrogenase Kinase1 (PDK1) belongs to the family of kinases, regulates diverse metabolic processes. PDK1 is a susceptibility locus for heart failure via thinning of ventricle walls, and enlarged atria and ventricles. We successfully developed a PDK1 knockout (PDK1/) human embryonic stem cell (hESC) line using an episomal vector-based CRISPR/Cas9 system explore the role of PDK in human heart development.
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