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Neethling Strain-Based Homologous Live Attenuated LSDV Vaccines Provide Protection Against Infection with a Clade 2.5 Recombinant LSDV Strain.
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Sciensano (Belgium), Service of Exotic and Vector-Borne Diseases (ExoVec), Groeselenberg 99, B-1180 Ukkel, Belgium.
Background: Vaccination is the main control measure to prevent Lumpy skin disease (LSD), and Neethling-based homologous vaccines have been shown to be safe and effective against infection with classical clade 1.2 strains. In 2017, recombinant clade 2 LSDV strains originating from a badly produced and insufficiently controlled vaccine were first detected in Russia.
View Article and Find Full Text PDFAssessing the Feasibility of Using a Multiplex Serological Assay to Conduct Serosurveillance for Malaria Exposure in Deployed Military Personnel.
Trop Med Infect Dis
January 2025
Biologics Research & Development Branch, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA.
Reproducibly assessing malaria exposure is critical for force health protection for military service members deployed to malaria-endemic regions as well as for civilians making public health decisions and evaluating malaria eradication efforts. However, malaria disease surveillance is challenged by under-reporting, natural immunity, and chemoprophylaxis, which can mask malaria exposure and lead to an underestimation of malaria prevalence. In this study, we determined the feasibility of using a serosurveillance-based approach to measure Anopheles vector exposure, Plasmodium sporozoite exposure, and blood-stage parasitemia using a multiplex serological panel.
View Article and Find Full Text PDFSelection and Engineering of Novel Brighter Bioluminescent Reporter Gene and Color- Tuning Luciferase for pH-Sensing in Mammalian Cells.
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January 2025
Laboratory of Biochemistry, Molecular Biology and Bioluminescent Systems Technology, Department of Physics, Chemistry and Mathematics, Federal University of Sao Carlos (UFSCAR), Rodovia João Leme dos Santos, km 110, Sorocaba 18052-780, SP, Brazil.
Firefly luciferases have been extensively used for bioanalytical applications, including their use as bioluminescent reporters, biosensors, and for bioimaging biological and pathological processes. Due to their intrinsic pH- sensitivity, in recent years we have demonstrated that firefly luciferases can also be harnessed as color- tuning sensors of intracellular pH. However, it is known that mammalian cells require temperatures higher than 36 °C, which red-shift the bioluminescence spectra of most firefly luciferases, decreasing their activities and the resolution of ratiometric pH analysis.
View Article and Find Full Text PDFMeasuring the Risk Spillover Effect of RCEP Stock Markets: Evidence from the TVP-VAR Model and Transfer Entropy.
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January 2025
School of Artificial Intelligence, Beijing Normal University, Beijing 100875, China.
This paper selects daily stock market trading data of RCEP member countries from 3 December 2007 to 9 December 2024 and employs the Time-Varying Parameter Vector Autoregression (TVP-VAR) model and transfer entropy to measure the time-varying volatility spillover effects among the stock markets of the sampled countries. The results indicate that the signing of the RCEP has strengthened the interconnectedness of member countries' stock markets, with an overall upward trend in volatility spillover effects, which become even more pronounced during periods of financial turbulence. Within the structure of RCEP member stock markets, China is identified as a net risk receiver, while countries like Japan and South Korea act as net risk spillover contributors.
View Article and Find Full Text PDFBidimensional Increment Entropy for Texture Analysis: Theoretical Validation and Application to Colon Cancer Images.
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LARIS, SFR MATHSTIC, Univ Angers, F-49000 Angers, France.
Entropy algorithms are widely applied in signal analysis to quantify the irregularity of data. In the realm of two-dimensional data, their two-dimensional forms play a crucial role in analyzing images. Previous works have demonstrated the effectiveness of one-dimensional increment entropy in detecting abrupt changes in signals.
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