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Evaluation the level of vitamin D and its relationship with clinical symptoms in patients with COVID-19 referred to the medical center in Bam city.
GMS Hyg Infect Control
November 2024
Toxicology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Background: Vitamin D is a steroid hormone that protects against viral infections by influencing innate and adaptive immune responses. The effectiveness of vitamin D3 supplementation in COVID-19 is unknown. The study's goal was to elucidate the relationship between blood vitamin D levels and COVID-19 clinical outcomes by examining the effect of a single high dose of vitamin D3 on the length of hospital stay in COVID-19 patients.
View Article and Find Full Text PDFDynamics of osteopontin levels and correlation with parasitemia in acute malaria in Uganda and Sweden.
BMC Infect Dis
October 2024
Department of Laboratory Medicine, Lund University, Lund, Sweden.
Article Synopsis
- Malaria, particularly caused by the Plasmodium falciparum parasite, poses a major public health issue, and osteopontin (OPN) plays a role in regulating the immune response during acute malaria, though its exact effects in humans are not fully understood.
- Blood samples from various groups, including Swedish adults and Ugandan patients, indicated that OPN levels were significantly higher during acute malaria infection, especially in children, with correlations found between OPN, interferon-γ, and parasite levels.
- The study concludes that elevated OPN levels in acute malaria relate more closely to a lack of immunity rather than age, highlighting OPN's potential significance in understanding malaria, especially in individuals who are not immune.
Performance analysis, statistical modeling, and multiple response optimization of a novel fixed-bed quartz reactor packed with Ba-Pt@γ-ALO using response surface methodology.
Heliyon
October 2024
Department of Occupational Health and Safety Engineering, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
In the present study, a novel fixed-bed continuous reactor with a preheating chamber was designed to be utilized for the practical application of removal studies of dangerous pollutants, especially NO removal by NO Storage Reduction (NSR) catalysts on a laboratory scale. The reactor's design and operational parameters, including outer wall temperature (50-600 °C), volumetric flow rate (0.3-3 L/min), wall temperature time (0.
View Article and Find Full Text PDFTowards a framework for predicting immunotherapy outcome: a hybrid multiscale mathematical model of immune response to vascular tumor growth.
Biomech Model Mechanobiol
December 2024
Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran.
Studying tumor immune microenvironment (TIME) is pivotal to understand the mechanism and predict the outcome of cancer immunotherapy. Systems biology mathematical models can consider and control various factors of TIME and therefore explore the anti-tumor immune response meticulously. However, the role of tumor vasculature in the recruitment of T cells and the mechanism of T cell migration through TIME have not been studied comprehensively.
View Article and Find Full Text PDFMicrobial and Quality Attributes of Beef Steaks under High-CO Packaging: Emitter Pads versus Gas Flushing.
Foods
September 2024
Discipline of Biosciences and Food Technology, School of Science, RMIT University, Melbourne 3000, Australia.
Over 21 days of cold storage, the quality and microbial composition of beef steaks in response to different high-CO packaging conditions achieved by flushing gas mixtures or embedding gas emitters into the packages were studied. The results revealed that the high levels of CO, achieved by either the gas flushing or the CO emitter pads, effectively controlled the number of aerobic counts. The headspace CO increased quickly in response to using the CO emitter pads, and the meat samples presented different pH levels and surface color (a* and b*) values compared to the samples packaged with the gas flushing technique.
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