Waardenburg syndrome type I (WS1) is a human autosomal dominant genetic disease characterized by sensorineural hearing loss, pigmentary abnormalities, and dystopia canthorum. In this study, we generated an induced pluripotent stem cell (iPSC) line using non-integrative Sendai viral reprogramming technology from the peripheral blood mononuclear cells (PBMCs) of a 29-year-old woman affected with WS1, caused by a heterozygous frameshift mutation in the PAX3 (NM_181459.4:c.123del). This iPSC line carrying the same mutation displays a nomal karyotype, expresses pluripotent markers, and shows differentiation capacity in vitro.
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http://dx.doi.org/10.1016/j.scr.2021.102606 | DOI Listing |
STAR Protoc
January 2025
State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China. Electronic address:
Human pluripotent stem cells (hPSCs) provide a powerful platform for generating hematopoietic progenitor cells (HPCs) and investigating hematopoietic development. Here, we present a protocol for maintaining hPSCs and inducing their differentiation into HPCs through the endothelial-to-hematopoietic transition (EHT) on vitronectin-coated plates. We outline steps for evaluating the efficiency of HPC generation and assessing their potential to differentiate into various hematopoietic lineages.
View Article and Find Full Text PDFSci Total Environ
January 2025
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China. Electronic address:
Tris (1, 3-dichloro-2-propyl) phosphate (TDCPP) is an extensively used organophosphorus flame retardant (OFR). Previous studies have suggested that it has neurotoxic effects, but the neurotoxicity mechanism is still unclear. Neural stem cells are an important in vitro model for studying the neurotoxicity mechanism of pollutants.
View Article and Find Full Text PDFJ Cell Mol Med
January 2025
Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Induced pluripotent stem cell (iPSC)-derived natural killer (NK) cells offer an opportunity for a standardized, off-the-shelf treatment with the potential to treat a wider population of acute myeloid leukaemia (AML) patients than the current standard of care. FT538 iPSC-NKs express a high-affinity, noncleavable CD16 to maximize antibody dependent cellular cytotoxicity, a CD38 knockout to improve metabolic fitness, and an IL-15/IL-15 receptor fusion preventing the need for cytokine administration, the main source of adverse effects in NK cell-based therapies. Here, we sought to evaluate the potential of FT538 iPSC-NKs as a therapy for AML through their effect on AML cell lines and primary AML cells.
View Article and Find Full Text PDFMol Ther
January 2025
Nucleic Acid Chemistry and Engineering Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa 904 0495, Japan. Electronic address:
Transgene expression in stem cells is a powerful means of regulating cellular properties and differentiation into various cell types. However, existing vectors for transgene expression in stem cells suffer from limitations such as the need for genomic integration, the transient nature of gene expression, and the inability to temporally regulate transgene expression, which hinder biomedical and clinical applications. Here we report a new class of RNA virus-based vectors for scalable and integration-free transgene expression in mouse embryonic stem cells (mESCs).
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