The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model.
Despite a large amount of in vitro data, the dynamics of airway smooth muscle (ASM) mass increase in the airways of patients with asthma is not well understood. Here, we present a novel mathematical model that describes qualitatively the growth dynamics of ASM cells over short and long terms in the...
Saved in:
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2014-01-01
|
| Series: | PLoS ONE |
| Online Access: | https://doi.org/10.1371/journal.pone.0090162 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850125351581122560 |
|---|---|
| author | Igor L Chernyavsky Huguette Croisier Lloyd A C Chapman Laura S Kimpton Jonathan E Hiorns Bindi S Brook Oliver E Jensen Charlotte K Billington Ian P Hall Simon R Johnson |
| author_facet | Igor L Chernyavsky Huguette Croisier Lloyd A C Chapman Laura S Kimpton Jonathan E Hiorns Bindi S Brook Oliver E Jensen Charlotte K Billington Ian P Hall Simon R Johnson |
| author_sort | Igor L Chernyavsky |
| collection | DOAJ |
| description | Despite a large amount of in vitro data, the dynamics of airway smooth muscle (ASM) mass increase in the airways of patients with asthma is not well understood. Here, we present a novel mathematical model that describes qualitatively the growth dynamics of ASM cells over short and long terms in the normal and inflammatory environments typically observed in asthma. The degree of ASM accumulation can be explained by an increase in the rate at which ASM cells switch between non-proliferative and proliferative states, driven by episodic inflammatory events. Our model explores the idea that remodelling due to ASM hyperplasia increases with the frequency and magnitude of these inflammatory events, relative to certain sensitivity thresholds. It highlights the importance of inflammation resolution speed by showing that when resolution is slow, even a series of small exacerbation events can result in significant remodelling, which persists after the inflammatory episodes. In addition, we demonstrate how the uncertainty in long-term outcome may be quantified and used to design an optimal low-risk individual anti-proliferative treatment strategy. The model shows that the rate of clearance of ASM proliferation and recruitment factors after an acute inflammatory event is a potentially important, and hitherto unrecognised, target for anti-remodelling therapy in asthma. It also suggests new ways of quantifying inflammation severity that could improve prediction of the extent of ASM accumulation. This ASM growth model should prove useful for designing new experiments or as a building block of more detailed multi-cellular tissue-level models. |
| format | Article |
| id | doaj-art-7dbb3a86909349c9b4fd145bf4f2df73 |
| institution | OA Journals |
| issn | 1932-6203 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj-art-7dbb3a86909349c9b4fd145bf4f2df732025-08-20T02:34:07ZengPublic Library of Science (PLoS)PLoS ONE1932-62032014-01-0193e9016210.1371/journal.pone.0090162The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model.Igor L ChernyavskyHuguette CroisierLloyd A C ChapmanLaura S KimptonJonathan E HiornsBindi S BrookOliver E JensenCharlotte K BillingtonIan P HallSimon R JohnsonDespite a large amount of in vitro data, the dynamics of airway smooth muscle (ASM) mass increase in the airways of patients with asthma is not well understood. Here, we present a novel mathematical model that describes qualitatively the growth dynamics of ASM cells over short and long terms in the normal and inflammatory environments typically observed in asthma. The degree of ASM accumulation can be explained by an increase in the rate at which ASM cells switch between non-proliferative and proliferative states, driven by episodic inflammatory events. Our model explores the idea that remodelling due to ASM hyperplasia increases with the frequency and magnitude of these inflammatory events, relative to certain sensitivity thresholds. It highlights the importance of inflammation resolution speed by showing that when resolution is slow, even a series of small exacerbation events can result in significant remodelling, which persists after the inflammatory episodes. In addition, we demonstrate how the uncertainty in long-term outcome may be quantified and used to design an optimal low-risk individual anti-proliferative treatment strategy. The model shows that the rate of clearance of ASM proliferation and recruitment factors after an acute inflammatory event is a potentially important, and hitherto unrecognised, target for anti-remodelling therapy in asthma. It also suggests new ways of quantifying inflammation severity that could improve prediction of the extent of ASM accumulation. This ASM growth model should prove useful for designing new experiments or as a building block of more detailed multi-cellular tissue-level models.https://doi.org/10.1371/journal.pone.0090162 |
| spellingShingle | Igor L Chernyavsky Huguette Croisier Lloyd A C Chapman Laura S Kimpton Jonathan E Hiorns Bindi S Brook Oliver E Jensen Charlotte K Billington Ian P Hall Simon R Johnson The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model. PLoS ONE |
| title | The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model. |
| title_full | The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model. |
| title_fullStr | The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model. |
| title_full_unstemmed | The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model. |
| title_short | The role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma: insight from a theoretical model. |
| title_sort | role of inflammation resolution speed in airway smooth muscle mass accumulation in asthma insight from a theoretical model |
| url | https://doi.org/10.1371/journal.pone.0090162 |
| work_keys_str_mv | AT igorlchernyavsky theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT huguettecroisier theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT lloydacchapman theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT lauraskimpton theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT jonathanehiorns theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT bindisbrook theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT oliverejensen theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT charlottekbillington theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT ianphall theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT simonrjohnson theroleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT igorlchernyavsky roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT huguettecroisier roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT lloydacchapman roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT lauraskimpton roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT jonathanehiorns roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT bindisbrook roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT oliverejensen roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT charlottekbillington roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT ianphall roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel AT simonrjohnson roleofinflammationresolutionspeedinairwaysmoothmusclemassaccumulationinasthmainsightfromatheoreticalmodel |