Please use this identifier to cite or link to this item: http://ahro.austin.org.au/austinjspui/handle/1/10629
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dc.contributor.authorHe, Hongen
dc.contributor.authorBaldwin, Graham Sen
dc.date.accessioned2015-05-16T00:08:48Z
dc.date.available2015-05-16T00:08:48Z
dc.date.issued2008-05-15en
dc.identifier.citationThe International Journal of Biochemistry & Cell Biology 2008; 40(10): 2018-22en
dc.identifier.govdoc18565785en
dc.identifier.otherPUBMEDen
dc.identifier.urihttp://ahro.austin.org.au/austinjspui/handle/1/10629en
dc.description.abstractGastrins, including amidated gastrin (Gamide) and glycine-extended gastrin (Ggly), accelerate the growth of gastrointestinal cancer cells by stimulation of proliferation and inhibition of apoptosis. Gamide and Ggly activate different G proteins of the Rho family of small GTPases. For example, Gamide signals Rac/Cdc42 to activate p21-activated kinase 1 while Ggly signals Rho to activate Rho-activated kinase. p21-activated kinase 1 and Rho-activated kinase induce changes in phosphorylation or expression, respectively, of proteins of the Bcl-2 family, which then affect the caspase cascade with consequent inhibition of apoptosis. In addition, interaction of p21-activated kinase 1 with beta-catenin results in phosphorylation of beta-catenin, which enhances its translocation in to the nucleus, activation of TCF4-dependent transcription, and proliferation and migration. The central role of the beta-catenin pathway in carcinogenesis suggests that specific inhibitors of p21-activated kinase 1 may in the future provide novel therapies for gastrointestinal malignancies.en
dc.language.isoenen
dc.subject.otherAnimalsen
dc.subject.otherApoptosisen
dc.subject.otherCell Proliferationen
dc.subject.otherGastrins.metabolismen
dc.subject.otherHumansen
dc.subject.otherNeoplasms.enzymology.therapyen
dc.subject.otherp21-Activated Kinases.metabolismen
dc.subject.otherrho GTP-Binding Proteins.metabolismen
dc.titleRho GTPases and p21-activated kinase in the regulation of proliferation and apoptosis by gastrins.en
dc.typeJournal Articleen
dc.identifier.journaltitleThe international journal of biochemistry & cell biologyen
dc.identifier.affiliationDepartment of Surgery, University of Melbourne, Austin Health, Studley Road, Heidelberg, Victoria 3084, Australiaen
dc.identifier.doi10.1016/j.biocel.2008.05.002en
dc.description.pages2018-22en
dc.relation.urlhttp://www.ncbi.nlm.nih.gov/pubmed/18565785en
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