Results 91 to 100 of about 578,217 (295)

Natural History of Airway Hyperresponsiveness and Its Association With Asthma Traits

open access: yesAllergy, EarlyView.
AHR improves in most children over adolescence when its relationship with asthma changes. AHR is better at ruling out asthma in children, while it is superior at ruling in asthma in young adults. Age should be considered when interpreting AHR, and different cutoffs might be required for children and adults.
Sophie Carra   +3 more
wiley   +1 more source

The Effects of Serotonin Receptor Antagonists on Contraction and Relaxation Responses Induced by Electrical Stimulation in the Rat Small Intestine [PDF]

open access: yes, 2014
Background: The main source of 5-HT in body is in enterchromafin cells of intestine, different studies mentioned different roles for endogenous 5-HT and receptors involved and it is not clearified the mechanism of action of endogenous 5-HT. Objectives:
Bianchi C   +33 more
core   +1 more source

Acetylcholine From Solitary Chemosensory Cell, Not Neuron, Regulates Basal Cell Fate Driving Eosinophilic Chronic Rhinosinusitis With Nasal Polyps

open access: yesAllergy, EarlyView.
This study identifies that Ach levels are elevated in eCRSwNP and primarily released from SCCs rather than neurons. Ach induces epithelial remodeling in eCRSwNP by binding to M1R/M3R and activating YAP signaling in basal cells, driving basal cell hyperplasia and abnormal differentiation. Blocking M1R/M3R with TB inhibits eCRSwNP progression.
Bowen Zheng   +20 more
wiley   +1 more source

Effect of the Arg16Gly β2‐Adrenergic Receptor Polymorphism on Long‐Term Mepolizumab Response and Clinical Remission in Severe Eosinophilic Asthma: A Genotype‐Stratified, Multicenter Study

open access: yesAllergy, EarlyView.
This study examines the association between the rs1042713 (Arg16Gly) polymorphism of the β2‐adrenergic receptor and the risk of severe eosinophilic asthma, as well as its influence on mepolizumab long‐term effectiveness and clinical remission. The Arg16 allele is associated with increased risk of severe disease and potentially diminished long‐term ...
Santi Nolasco   +38 more
wiley   +1 more source

Cluster Analysis to Identify Distinct Asthma Phenotypes in the ATLANTIS Cohort

open access: yesAllergy, EarlyView.
This study identified four clinically distinct asthma clusters. The most severe cluster was characterized by type 2 inflammation and exhibited both large and small airways obstruction, as well as air trapping on CT. Patients in the earlier‐onset cluster exhibited more severe bronchial hyperresponsiveness despite a relatively preserved lung function ...
Pauline J. M. Kuks   +18 more
wiley   +1 more source

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