Mucociliary respiratory epithelium integrity in molecular defense and susceptibility to pulmonary viral infections

Adivitiya, MS Kaushik, S Chakraborty, S Veleri… - Biology, 2021 - mdpi.com
Simple Summary Mucociliary clearance constitutes an innate lung defense mechanism that
is primarily driven by ciliated cells. Respiratory mucus traps pathogens entering the airways …

Secretory cells dominate airway CFTR expression and function in human airway superficial epithelia

K Okuda, H Dang, Y Kobayashi, G Carraro… - American journal of …, 2021 - atsjournals.org
Rationale: Identification of the specific cell types expressing CFTR (cystic fibrosis [CF]
transmembrane conductance regulator) is required for precision medicine therapies for CF …

Proteases, mucus, and mucosal immunity in chronic lung disease

MC McKelvey, R Brown, S Ryan, MA Mall… - International journal of …, 2021 - mdpi.com
Dysregulated protease activity has long been implicated in the pathogenesis of chronic lung
diseases and especially in conditions that display mucus obstruction, such as chronic …

SARS-CoV-2 may hijack GPCR signaling pathways to dysregulate lung ion and fluid transport

R Abdel Hameid, E Cormet-Boyaka… - … of Physiology-Lung …, 2021 - journals.physiology.org
The tropism of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a virus
responsible for the ongoing coronavirus disease 2019 (COVID-19) pandemic, toward the …

Chronic rhinosinusitis with nasal polyps is associated with impaired TMEM16A-mediated epithelial chloride secretion

JJ Salomon, T Albrecht, SY Graeber… - Journal of Allergy and …, 2021 - Elsevier
Background Chronic rhinosinusitis with nasal polyps (CRSwNP) is one of the most common
chronic disorders with limited therapeutic options. However, the pathogenesis of CRSwNP …

Inhibition of Pseudomonas aeruginosa Alginate Synthesis by Ebselen Oxide and Its Analogues

SK Kim, HX Ngo, EK Dennis… - ACS Infectious …, 2021 - ACS Publications
Pseudomonas aeruginosa is a Gram-negative opportunistic pathogen that is frequently
found in the airways of cystic fibrosis (CF) patients due to the dehydrated mucus that …

Airway epithelial nucleotide release contributes to mucociliary clearance

C van Heusden, BR Grubb, B Button, ER Lazarowski - Life, 2021 - mdpi.com
Mucociliary clearance (MCC) is a dominant component of pulmonary host defense. In
health, the periciliary layer (PCL) is optimally hydrated, thus acting as an efficient lubricant …

Purinergic receptors in airway hydration

ER Lazarowski, RC Boucher - Biochemical pharmacology, 2021 - Elsevier
Airway epithelial purinergic receptors control key components of the mucociliary clearance
(MCC), the dominant component of pulmonary host defense. In healthy airways, the …

Variability in tracheal mucociliary transport is not controlled by beating cilia in lambs in vivo during ventilation with humidified and nonhumidified air

SJ Kelly, V Brodecky, EM Skuza… - American Journal of …, 2021 - journals.physiology.org
Mucociliary transport in the respiratory epithelium depends on beating of cilia to move a
mucus layer containing trapped inhaled particles toward the mouth. Little is known about the …

cAMP triggers Na+ absorption by distal airway surface epithelium in cystic fibrosis swine

X Luan, Y Le, S Jagadeeshan, B Murray, JL Carmalt… - Cell Reports, 2021 - cell.com
A controversial hypothesis pertaining to cystic fibrosis (CF) lung disease is that the CF
transmembrane conductance regulator (CFTR) channel fails to inhibit the epithelial Na+ …