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Orthogonal and multiplexable genetic perturbations with an engineered prime editor and a diverse RNA array.
Nat Commun
December 2024
Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA.
Programmable and modular systems capable of orthogonal genomic and transcriptomic perturbations are crucial for biological research and treating human genetic diseases. Here, we present the minimal versatile genetic perturbation technology (mvGPT), a flexible toolkit designed for simultaneous and orthogonal gene editing, activation, and repression in human cells. The mvGPT combines an engineered compact prime editor (PE), a fusion activator MS2-p65-HSF1 (MPH), and a drive-and-process multiplex array that produces RNAs tailored to different types of genetic perturbation.
View Article and Find Full Text PDFRobust and inducible genome editing via an all-in-one prime editor in human pluripotent stem cells.
Nat Commun
December 2024
The SKI Stem Cell Research Facility, The Center for Stem Cell Biology and Developmental Biology Program, Sloan-Kettering Institute for Cancer Research, 1275 York Avenue, New York, NY, USA.
Prime editing (PE) allows for precise genome editing in human pluripotent stem cells (hPSCs), such as introducing single nucleotide modifications, small insertions or deletions at a specific genomic locus. Here, we systematically compare a panel of prime editing conditions in hPSCs and generate a potent prime editor, "PE-Plus", through co-inhibition of mismatch repair and p53-mediated cellular stress responses. We further establish an inducible prime editing platform in hPSCs by incorporating the PE-Plus into a safe-harbor locus and demonstrated temporal control of precise editing in both hPSCs and differentiated cells.
View Article and Find Full Text PDFEditorial. : The journal at age 5.
Cereb Circ Cogn Behav
September 2024
Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Mölndal, Sweden.
The journal () was conceived to serve at the border zone between the fields of cognition, brain vascular function, cerebrovascular disease and neurodegeneration. An umbrella term often used for this spectrum of disorders or conditions is Vascular contributions to Cognitive Impairment and Dementia (VCID). The journal was launched in 2020.
View Article and Find Full Text PDFLipidomic analysis of plant-derived extracellular vesicles for guidance of potential anti-cancer therapy.
Bioact Mater
April 2025
The Tenth Affiliated Hospital, Southern Medical University (Dongguan People's Hospital), 523059, Dongguan, China.
Plant-derived extracellular vesicles (PEVs) have been regarded as a superior source for nanomedicine and drug delivery systems. Nevertheless, their clinical translation is hindered by the lack of clarity and even contradiction in their biomedical applications. Herein, we conducted a comprehensive compositional analysis of four commonly used PEVs to fully understand their functional lipid contents and assess their potential therapeutic applications.
View Article and Find Full Text PDFIpsilateral ectopic pregnancy in the distal remaining part of the previously removed Fallopian tube: a case report.
J Med Case Rep
December 2024
Faculty of Medicine, Alexandria University, Alexandria, Egypt.
Background: Ectopic pregnancy, occurring outside the uterine cavity, poses a significant health risk, with Fallopian tube involvement being predominant. Recurrent ectopic pregnancy, particularly in the ipsilateral remnant of a previously removed tube, is a rare and poorly understood phenomenon. Here, we present a case of recurrent ectopic pregnancy occurring in the distal remnant of the right fallopian tube following ipsilateral incomplete salpingectomy in a 22-year-old woman.
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