There is also evidence for enhanced ER stress in CF patients as summarized elsewhere [25], and inactivation of the XBP-1 pathway decreased inflammatory cytokine production in a model of inflamed CF airway linking ER stress to inflammation [31].
Eventually, radio beams were used to create a national network of airways to link major cities and define safe corridors through high terrain.
Internal transport is supported by a growing number of secondary coastal roads, riverboats, and airways that link the major cities in Papua with those in West Papua and other parts of Indonesia.
The "one-airway, one-disease" concept predicts the inflammation in the upper airways is linked to inflammatory changes in lower airways.
To probe airway conditions linking structural changes in the lungs to measurements of mechanical function, an approach termed image functional modeling (IFM) was devised.
It also shows a general airway hypersensitivity linked to increased capsaicin cough sensitivity.
Although these studies characterized changes in the lower airway, the strong link between upper and lower airway disease pathogenesis [ 42] suggests that analogous changes in the upper airway could cause individuals with preexisting mitochondrial dysfunction to develop allergic inflammation leading to allergic rhinitis with pollen exposure.
Functional changes that occur in the smallest airways have been linked to features of severe uncontrolled disease [ 16, 17], so it is therefore plausible to assume that the extrafine formulations that act on peripheral airway abnormalities [ 18– 20] could also improve asthma control, as demonstrated by randomized trials [ 21] and real-life observational studies [ 22, 23].
Airway closure and airway narrowing, measured by spirometry, suggested a link between airway closure and AHR.
Again, these studies focused on lower airway disease, but the strong link between upper and lower airway disease pathogenesis [ 42] suggests that it may be possible to achieve similar results if the upper airway were targeted in allergic rhinitis treatment.
Thus, multiple mechanisms potentially contribute to link abnormal airway function with RA-mediated responses.
