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Airway basal stem cell therapy for lung diseases: an emerging regenerative medicine strategy.
Stem Cell Res Ther
January 2025
Department of Pulmonary and Critical Care Medicine, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
Chronic pulmonary diseases pose a prominent health threat globally owing to their intricate pathogenesis and lack of effective reversal therapies. Nowadays, lung transplantation stands out as a feasible treatment option for patients with end-stage lung disease. Unfortunately, the use of this this option is limited by donor organ shortage and severe immunological rejection reactions.
View Article and Find Full Text PDFTime-resolved momentum microscopy with fs-XUV photons at high repetition rates with flexible energy and time resolution.
Sci Rep
January 2025
Department of Physics, TU Dortmund University, Otto-Hahn-Straße 4, 44227, Dortmund, Germany.
Time-resolved momentum microscopy is an emerging technique based on photoelectron spectroscopy for characterizing ultrafast electron dynamics and the out-of-equilibrium electronic structure of materials in the entire Brillouin zone with high efficiency. In this article, we introduce a setup for time-resolved momentum microscopy based on an energy-filtered momentum microscope coupled to a custom-made high-harmonic generation photon source driven by a multi-100 kHz commercial Yb-ultrafast laser that delivers fs pulses in the extreme ultraviolet range. The laser setup includes a nonlinear pulse compression stage employing spectral broadening in a Herriott-type bulk-based multi-pass cell.
View Article and Find Full Text PDFTranscription and epigenetic factor dynamics in neuronal activity-dependent gene regulation.
Trends Genet
January 2025
Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka 565-0871, Japan; Institute of Neurological and Psychiatric Disorders, Shenzhen Bay Laboratory, Shenzhen, Guangdong 518132, China. Electronic address:
Neuronal activity, including sensory-evoked and spontaneous firing, regulates the expression of a subset of genes known as activity-dependent genes. A key issue in this process is the activation and accumulation of transcription factors (TFs), which bind to cis-elements at specific enhancers and promoters, ultimately driving RNA synthesis through transcription machinery. Epigenetic factors such as histone modifiers also play a crucial role in facilitating the specific binding of TFs.
View Article and Find Full Text PDFTake your PIC (Program Improvement Committee): The benefits of a resident-run initiative to improve graduate medical education.
Curr Probl Diagn Radiol
January 2025
Department of Radiology, Detroit Medical Center / Wayne State University School of Medicine, Detroit, MI, 48201, USA.
The evolving landscape of graduate medical education (GME) necessitates innovative approaches to residency program evaluation and improvement. At Detroit Medical Center/Wayne State University, a novel resident-led Program Improvement Committee (PIC) was established in June 2022 within the Diagnostic Radiology Residency Program. The PIC serves as a flexible, resident-driven structure designed to enhance engagement, provide continuous feedback, and implement actionable solutions in collaboration with residency leadership.
View Article and Find Full Text PDFZ-DNA at the crossroads: untangling its role in genome dynamics.
Trends Biochem Sci
January 2025
Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-Ku, Kyoto 606-8502, Japan; Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida-Ushinomiyacho, Sakyo-Ku, Kyoto 606-8501, Japan. Electronic address:
DNA can fold into noncanonical left-handed Z-DNA conformation beyond the right-handed B-DNA. While its crystal structure was discovered nearly four decades ago, it was predominantly considered a structural curiosity. Recent evidence suggests that Z-DNA formation occurs in nuclear and mitochondrial DNA (mtDNA), with significant biological implications.
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