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Extrachromosomal DNA in Breast Cancer Cell Lines: Detection and Characterization.
Microsc Res Tech
December 2024
Cellular and Molecular Mechanisms in Biological System (CEMBIOS) Research Group, Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, Indonesia.
This study delves into the intriguing world of extrachromosomal DNA (ecDNA) in breast cancer, uncovering its pivotal role in cancer's aggressiveness and genetic variability. ecDNA, a form of circular DNA found outside chromosomes, is known to play a significant role in cancer progression by increasing oncogene expression. Focusing on two contrasting cell lines, MDA-MB-231 (triple-negative) and MCF-7 (Luminal-A), we utilized advanced microscopy and fluorescence techniques to detect and characterize ecDNA.
View Article and Find Full Text PDFUncovering the complexity of source mechanism in an anisotropic coal mine using sequential inversion.
Sci Rep
December 2024
Department of Geophysics, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan.
Accurate characterisation of seismic source mechanisms in mining environments is crucial for effective hazard mitigation, but it is complicated by the presence of anisotropic geological conditions. Neglecting anisotropic effects during moment tensor (MT) inversion introduces significant distortions in the retrieved source characteristics. In this study, we investigated the impact of ignoring anisotropy during MT inversion on the reliability of hazard assessment.
View Article and Find Full Text PDFA skipping spectrum sensing scheme based on deep reinforcement learning for transform domain communication systems.
Sci Rep
December 2024
College of Electronic Engineering, National University of Defense Technology, Hefei, 230000, China.
Spectrum sensing is a key technology and prerequisite for Transform Domain Communication Systems (TDCS). The traditional approach typically involves selecting a working sub-band and maintaining it without further changes, with spectrum sensing being conducted periodically. However, this approach presents two main issues: on the one hand, if the selected working band has few idle channels, TDCS devices are unable to flexibly switch sub-bands, leading to reduced performance; on the other hand, periodic sensing consumes time and energy, limiting TDCS's transmission efficiency.
View Article and Find Full Text PDFDevelopment and stability of W1/O/W2 double emulsions stabilized by food-grade nanoparticles.
Food Chem
December 2024
Nano-biotechnology Key Laboratory of Hebei Province, State Key Laboratory of Metastable Materials Science and Technology, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, PR China. Electronic address:
This study presented the well stable W1/O/W2 double emulsions stabilized by food-grade nanoparticles. Firstly, the nanoparticles were prepared based on soybean protein isolate and Hohenbuehelia serotina polysaccharides by physical effects, which had the elliptical morphology and the average particle size of 639.96 nm.
View Article and Find Full Text PDFTime Reveals the Truth! What Treatments for COVID-19 Were Quickly Abandoned, and Which Methods, Contrary to Popular Belief, Are Still Flourishing?
J Biomed Phys Eng
December 2024
Faculty of Medicine, Szeged University, Szeged, Hungary.
During the early days of the COVID-19 pandemic, low dose radiation therapy (LDRT) was proposed as a potentially effective treatment method. To minimize potential toxicity, the initial treatment approach involved a few mGy of adapting radiation followed by a single 250 mGy whole lung challenging dose. However, antiviral drugs were also introduced as a promising treatment option, which were thought to have the potential to revolutionize the management of the crisis.
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