Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/39247
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dc.contributor.authorHall, B. A.-
dc.contributor.authorPiterman, Nir-
dc.contributor.authorHajnal, A.-
dc.contributor.authorFisher, J.-
dc.date.accessioned2017-01-20T16:59:18Z-
dc.date.available2017-01-20T16:59:18Z-
dc.date.issued2015-07-21-
dc.identifier.citationBiophysical Journal, 2015, 109 (2), pp. 428-438en
dc.identifier.issn0006-3495-
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S0006349515005895en
dc.identifier.urihttp://hdl.handle.net/2381/39247-
dc.descriptionOne figure and two movies are available at http://www.biophysj.org/biophysj/supplemental/S0006-3495(15)00589-5.en
dc.description.abstractThe establishment of homeostasis among cell growth, differentiation, and apoptosis is of key importance for organogenesis. Stem cells respond to temporally and spatially regulated signals by switching from mitotic proliferation to asymmetric cell division and differentiation. Executable computer models of signaling pathways can accurately reproduce a wide range of biological phenomena by reducing detailed chemical kinetics to a discrete, finite form. Moreover, coordinated cell movements and physical cell-cell interactions are required for the formation of three-dimensional structures that are the building blocks of organs. To capture all these aspects, we have developed a hybrid executable/physical model describing stem cell proliferation, differentiation, and homeostasis in the Caenorhabditis elegans germline. Using this hybrid model, we are able to track cell lineages and dynamic cell movements during germ cell differentiation. We further show how apoptosis regulates germ cell homeostasis in the gonad, and propose a role for intercellular pressure in developmental control. Finally, we use the model to demonstrate how an executable model can be developed from the hybrid system, identifying a mechanism that ensures invariance in fate patterns in the presence of instability.en
dc.description.sponsorshipB.A.H. is presently supported by the Royal Society (University Research Fellowship).en
dc.language.isoenen
dc.publisherBiophysical Society , Elsevier (Cell Press)en
dc.relation.urihttp://www.ncbi.nlm.nih.gov/pubmed/26200879-
dc.rightsThis is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).en
dc.subjectAnimalsen
dc.subjectApoptosisen
dc.subjectCaenorhabditis elegansen
dc.subjectCell Differentiationen
dc.subjectCell Proliferationen
dc.subjectGerm Cellsen
dc.subjectGonadsen
dc.subjectHomeostasisen
dc.subjectModels, Biologicalen
dc.subjectStem Cellsen
dc.subjectVideo Recordingen
dc.titleEmergent stem cell homeostasis in the C. elegans germline is revealed by hybrid modeling.en
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.bpj.2015.06.007-
dc.identifier.eissn1542-0086-
dc.identifier.piiS0006-3495(15)00589-5-
dc.description.statusPeer-revieweden
dc.description.versionPublisher Versionen
dc.type.subtypeJournal Article;Research Support, Non-U.S. Gov't-
pubs.organisational-group/Organisationen
pubs.organisational-group/Organisation/COLLEGE OF SCIENCE AND ENGINEERINGen
pubs.organisational-group/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Computer Scienceen
dc.dateaccepted2015-06-05-
Appears in Collections:Published Articles, Dept. of Computer Science

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