Results 181 to 190 of about 935,849 (402)

Pathogenic Bacteria in Infections of the Respiratory Tract. Autonomous University Hospital Service Antonio Patricio de Alcalá. Cumaná, Sucre State

open access: yesKasmera, 2005
In orden to determine the frequency of bacterial pathogens in the respiratory tract of children between the ages of 0 – 11 years old who attend the emergency service in the Pediatrics ward at the Autonomous Hospital Antonio Patricio de Alcalá in Cumaná ...
Militza Guzmán L   +3 more
doaj  

Physical exercise and cardiac death due to pneumonia in male teenagers [Iznenadna smrt zbog upalće pluća za vrijeme tjelovježbe u trojice mladića] [PDF]

open access: yes, 2009
From 1998 to 2008 we noticed 3 cardiac deaths in male teenagers aged 18-19 during or after physical exercise. The first was working at the site recreatively, the second was engaged in soccer recreatively and the third was professional soccer player.
Duraković, Lejla   +3 more
core  

Respiratory virus mRNA vaccines: mRNA Design, clinical studies, and future challenges

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Abstract Respiratory infectious diseases frequently erupt on a global scale, with RNA viruses, such as SARS‐CoV‐2, RSV, and influenza viruses, posing challenges to vaccine development due to their high mutation rates. Traditional vaccine development cycles are lengthy and struggle to keep pace with rapidly evolving viruses, whereas messenger RNA (mRNA)
Linlin Zheng, Han Feng
wiley   +1 more source

Comparison of the pathogenicity of multiple SARS‐CoV‐2 variants in mouse models

open access: yesAnimal Models and Experimental Medicine, EarlyView.
We assessed the pathogenicity of various SARS‐CoV‐2 variants using two distinct mouse models. Our findings indicated that earlier variants, including WH‐09, Beta, and Delta, exhibited greater pathogenicity than later variants. Specifically, the Omicron variant demonstrated reduced pathogenicity, characterized by a shorter disease course and diminished ...
Qi Lv   +12 more
wiley   +1 more source

Cell-Mediated Immunity after Bacterial Infection of the Lower Respiratory Tract [PDF]

open access: bronze, 1974
J. Robert Cantey   +4 more
openalex   +1 more source

Diosgenin ameliorates silica‐induced tuberculosis in rats

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Silicosis increases susceptibility to tuberculosis due to impaired macrophage function and oxidative stress. This study demonstrates that diosgenin, a steroidal saponin, significantly inhibits Mycobacterium smegmatis (IC₅₀ = 0.006 μg/mL), reduces lung fibrosis, and restores antioxidant enzyme levels (↑SOD, ↑CAT, ↓MDA) in silica‐exposed rats ...
Williams Asamoah Adu   +5 more
wiley   +1 more source

Engineered Hydrogels Revolutionize Locoregional Cancer Immunotherapy

open access: yesAdvanced NanoBiomed Research, EarlyView.
This review systematically summarizes the latest research progress on injectable hydrogels in cancer immunotherapy, highlighting their unique advantages in precise immune activation, local drug‐controlled release, and immune microenvironment remodeling. These features provide innovative solutions to overcome the bottlenecks of systemic side effects and
Jiyong Wei   +3 more
wiley   +1 more source

Research progress on microecology and childhood respiratory infections via the lung-gut axis

open access: yesFrontiers in Pediatrics
Respiratory tract infections (RTIs) are a complex global public health challenge, with children being the most affected population. Affected children often exhibit gut microbiota-related symptoms, such as dysbiosis, feeding difficulties, and ...
Zhixuan He   +3 more
doaj   +1 more source

Activation of Alveolar Macrophages after Lower Respiratory Tract Infection [PDF]

open access: bronze, 1975
James D. Johnson   +3 more
openalex   +1 more source

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