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In Vitro Formation of Actin Ring in the Fission Yeast Cell Extracts.
Cytoskeleton (Hoboken)
January 2025
Department of Life Science, Faculty of Science, Gakushuin University, Mejiro, Tokyo, Japan.
Cytokinesis in animal and fungal cells requires the contraction of actomyosin-based contractile rings formed in the division cortex of the cell during late mitosis. However, the detailed mechanism remains incompletely understood. Here, we aim to develop a novel cell-free system by encapsulating cell extracts obtained from fission yeast cells within lipid vesicles, which subsequently leads to the formation of a contractile ring-like structure inside the vesicles.
View Article and Find Full Text PDFDosimetry of Continuous Random Motion in High Dose Rate Strontium-90 Plesiotherapy.
Vet Radiol Ultrasound
January 2025
Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, Missouri, USA.
Strontium-90 plesiotherapy delivers high doses of radiation to superficial lesions (<3 mm depth) with excellent sparing of deeper tissues. The sealed-source applicator tip is circular and 8-10 mm in diameter. Larger treatment fields are treated with multiple overlapping fields.
View Article and Find Full Text PDFWhich PSMA PET/CT interpretation criteria most effectively diagnose prostate cancer? a retrospective cohort study.
BMC Med Imaging
January 2025
Department of Urology, The First Hospital of Shanxi Medical University, Taiyuan, 030000, China.
Background: PSMA PET/CT emerges as a pivotal technology in the diagnostic landscape of prostate cancer (PCa). It offers a suite of imaging interpretation criteria, notably the maximum standardized uptake value (SUVmax), the molecular imaging prostate-specific membrane antigen score (miPSMA score), and the PSMA reporting and data system (PSMA-RADS). Identifying the most valuable criteria for diagnosing PCa and standardizing imaging interpretation across various tracers is an unresolved question.
View Article and Find Full Text PDFNomogram models for predicting outcomes in thyroid cancer patients with distant metastasis receiving iodine therapy.
Sci Rep
January 2025
Department of Nuclear Medicine, Zhejiang Cancer Hospital, Hangzhou, 310022, Zhejiang, China.
This study aimed to establish and validate prognostic nomogram models for patients who underwent I therapy for thyroid cancer with distant metastases. The cohort was divided into training (70%) and validation (30%) sets for nomogram development. Univariate and multivariate Cox regression analyses were used to identify independent predictors for overall survival (OS) and progression-free survival (PFS).
View Article and Find Full Text PDFA high-valence bismuth(V) nanoplatform triggers cancer cell death and anti-tumor immune responses with exogenous excitation-free endogenous HO- and O-independent ROS generation.
Nat Commun
January 2025
State Key Lab of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road, Shanghai, P. R. China.
Reactive oxygen species with evoked immunotherapy holds tremendous promise for cancer treatment but has limitations due to its dependence on exogenous excitation and/or endogenous HO and O. Here we report a versatile oxidizing pentavalent bismuth(V) nanoplatform (NaBiO-PEG) can generate reactive oxygen species in an excitation-free and HO- and O-independent manner. Upon exposure to the tumor microenvironment, NaBiO-PEG undergoes continuous H-accelerated hydrolysis with •OH and O generation through electron transfer-mediated Bi-to-Bi conversion and lattice oxygen transformation.
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