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Rapid human oogonia-like cell specification via transcription factor-directed differentiation.
EMBO Rep
January 2025
Department of Biomedical Engineering, Duke University, Durham, NC, USA.
The generation of germline cells from human induced pluripotent stem cells (hiPSCs) represents a milestone toward in vitro gametogenesis. Methods to recapitulate germline development beyond primordial germ cells in vitro have relied on long-term cell culture, such as 3-dimensional organoid co-culture for ~four months. Using a pipeline with highly parallelized screening, this study identifies combinations of TFs that directly and rapidly convert hiPSCs to induced oogonia-like cells (iOLCs).
View Article and Find Full Text PDFCorrigendum to "Clinical utility of PCR compared to conventional culture & sensitivity testing for the management of complicated urinary tract infections in adults:Part I. Assessment of clinical outcomes,investigator satisfaction scores & turnaround times" [Diagnostic Microbiology & Infectious Disease 111 (2025) 116601].
Diagn Microbiol Infect Dis
January 2025
MED-US Consulting, LLC., Austin, TX, United States.
[Effect of osteon-like concentric microgroove structures of different sizes on the osteoclastic differentiation of macrophages].
Zhonghua Kou Qiang Yi Xue Za Zhi
January 2025
Department of Stomatology, Affiliated Hospital of Putian University, Putian 351106, China.
To investigate the effect of the sizes of osteon-like concentric microgroove structures on the osteoclastic differentiation of macrophages on titanium surfaces, and to provide reference for the surface modification of implants. The silicon wafers sputtered with titanium were selected as the control group (smooth surface specimens) and four concentric groups (concentric circles with the maximum diameter of 200 μ m, the minimum diameter of 20 μ m, the spacing of concentric circles of 10 or 30 μm, the width of microgrooves of 10 or 30 μm, and the depth of microgrooves of 5 or 10 μm) specimens (the total sample size in each group was 27). The width of microgrooves of C10-5 and C10-10 groups was 10 μm, the depth was 5 and 10 μm, and the width of microgrooves of C30-5 and C30-10 groups was 30 μ m, the depth was 5 and 10 μ m, respectively.
View Article and Find Full Text PDFDuration of infectious virus shedding of SARS-CoV-2 Omicron variant among immunocompromised patients.
J Infect Chemother
January 2025
Disease Control and Prevention Center, National Center for Global Health and Medicine, 1-21-1 Toyama, Shinjuku-ku, Tokyo 162-8655, Japan.
Objective: The duration of viral shedding and criteria for de-isolation in the hospital among immunocompromised patients with coronavirus disease 2019 (COVID-19) remain unclear. This study aimed to evaluate viral shedding duration in immunocompromised patients infected with the Omicron variant of severe acute respiratory syndrome coronavirus 2.
Methods: A prospective cohort study was performed at 2 tertiary medical centers in Japan during the Omicron epidemic waves from July 2022 to January 2023.
Organoids and microphysiological systems for pharmaceutical research of viral respiratory infections.
Drug Metab Pharmacokinet
November 2024
Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan. Electronic address:
In the pharmaceutical research of viral respiratory infections, cell culture models have traditionally been used to evaluate the therapeutic effects of candidate compounds. Although cell lines are easy to handle and cost-effective, they do not fully replicate the characteristics of human respiratory organs. Recently, organoids and microphysiological systems (MPS) have been employed to overcome this limitation for in vitro testing of drugs against viral respiratory infections.
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