Pulmonary Thoracic Medicine

Airway Smooth Muscle in Asthma and COPD: Biology and by Kian Fan Chung

By Kian Fan Chung

During this booklet, major researchers in drugs and molecular pharmacology clarify the mobile mechanisms that keep an eye on airway delicate muscle. The potential through which those are disrupted in sickness, and the pharmacologic concepts through which they're changed are mentioned and destiny healing interventions are identified. Aimed at experts in pulmonology, this quantity offers the clinician with the freshest info on one of many center physiological strategies in airway affliction, and provides insights into present and destiny ways to management. Authoritative replace on key mechanisms of airway constriction in bronchial asthma and COPDRelates newest study to bronchodilator therapyMulti-contributed textual content, co-coordinated by way of of the major experts within the box.

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Biophys. Res. , Vol. 355, p. , Vol. 4, p. , 2006). , 2004). Indeed, evidence supporting the notion of a highly malleable cell is accumulating rapidly, but a molecular basis to explain this malleability is only beginning to emerge. , 2007). , 2007). , 2007). Regardless of the specific molecules and mechanisms invoked to explain the plasticity of the contractile responses, therefore, the melting of the contractile domain would appear to be a necessary (or permissive) event, but one that by itself is not sufficient to explain the effects of the history of tidal loading.

Functional significance of increased airway smooth muscle in asthma and COPD. J Appl Physiol 74, 2771– 2781. Laudadio, R. , Fabry, B. et al. (2005). Rat airway smooth muscle cell during actin modulation: rheology and glassy dynamics. Am J Physiol 289, C1388–C1395. Lauzon, A. , Tyska, M. , Rovner, A. S. et al. (1998). A 7-amino-acid insert in the heavy chain nucleotide binding loop alters the kinetics of smooth muscle myosin in the laser trap. J Muscle Res Cell Motil 19, 825–837. Lazaar, A. L. and Panettieri, R.

2000). These findings are consistent with the hypothesis that stress-response pathways may stabilize the airway smooth muscle CSK and limit the bronchodilating effects of deep inspirations. , 2005; 2007). , 2005; 2007). The limit of resolution in our system is on the order of ∼10 nm, but for t ∼ 4 s most beads had displaced a much greater distance. Accordingly, we analysed data for time lags greater than 4 s and up to tmax . As shown below, MSD of most beads increases with time according to a power-law relationship.

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