Results 221 to 230 of about 936,865 (297)

Quantitative Dual‐Energy CT Perfusion Versus SPECT/CT V/Q Scintigraphy for Preoperative Lung Function Assessment: A Prospective Cohort Study

open access: yesJournal of Medical Imaging and Radiation Oncology, EarlyView.
ABSTRACT Introduction Accurate preoperative physiological assessment is critical for high‐risk patients undergoing lung resection to predict postoperative lung function. This study compared quantitative dual‐energy CT (DECT) perfusion with SPECT/CT for lobar perfusion mapping in an at‐risk oncological cohort.
Jack Edward Liu   +6 more
wiley   +1 more source

Elevated CO2 and Temperature Alter Grass Pollen's Ability to Modify Transcriptome and Function of the Nasal Epithelium

open access: yesAllergy, EarlyView.
We exposed human nasal epithelial tissues to pollen from grasses grown under different climate treatments (temperature and CO2). Pollen weakened epithelial tight junctions and altered cytokine‐related gene expression, with similar protein‐level effects.
Tarleena Tossavainen   +5 more
wiley   +1 more source

Epigenetic reprogramming of dendritic cells by DNMT1 inhibition attenuates Th2 skewing in allergic airway inflammation. [PDF]

open access: yesCell Commun Signal
Xue J   +12 more
europepmc   +1 more source

Exhaled Volatile Organic Compounds Identify Allergic Patients Among Individuals With Chronic Rhinitis

open access: yesAllergy, EarlyView.
Exhaled decane and nonadecane discriminate allergic (AR + LAR) from non‐allergic (NAR + HC) subjects among individuals with chronic rhinitis. LAR patients display higher levels of exhaled nonadecane than NAR individuals at baseline. Subjects with FeNO≥ 25 ppb have higher levels of exhaled decane, nonanal, and styrene than individuals with FeNO < 25 ppb
Rosa Alba Sola‐Martinez   +9 more
wiley   +1 more source

Lysosomal acidity and cathepsin L activate eosinophils via ARG1-mediated arginine metabolism in allergic airway inflammation. [PDF]

open access: yesNat Commun
Han Y   +20 more
europepmc   +1 more source

Polypropylene Nanoplastic Exposure to Respiratory Epithelial Barrier‐On‐Chip and Interfacial Interactions With Human Serum Albumin

open access: yesAllergy, EarlyView.
Exposure to 305 nm PP NPs significantly disrupts the airway barrier‐on‐chip, reducing TEER, suppressing ZO‐1/ACE2 expression, and triggering ROS‐mediated apoptosis. In biological media, PP NPs exhibit a biphasic adsorption pattern, leading to the formation of a protein corona that increases their size to 364 nm.
Omur Sert   +9 more
wiley   +1 more source

PGI2 signaling metabolically reprograms CD4 Th2 cells and represses allergic airway inflammation. [PDF]

open access: yesJ Immunol
Zhou W   +10 more
europepmc   +1 more source

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