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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Investigation on Cell-Cell Junctions by Inhibition of Na,K-ATPase Activity / Studie av cell till cell kontakter genom inhibering av Na,K-ATPas aktivitetBoström, Caroline January 2021 (has links)
This thesis report investigates the effect on cellcell junction proteins when the Na,K-ATPase (NKA) is inhibited. The main goal is to develop an understanding of how the NKA activity regulates the cell junction proteins. The investigated proteins are the adherens junction protein ECadherin, and the tight junction proteins Occludin and Claudin7.The NKA is inhibited by introducing the cardiotonic steroid Ouabain to the cells. The treatment is tested for different time lapse and different concentrations. The results show that all proteins are down regulated when treated with high concentrations (500 nM) of Ouabain. ECadherin is up regulated when treated with lower concentrations (10 nM) of Ouabain while Claudin7 is down regulated at low levels. / Detta examensarbete undersöker effekten på cell-cell junctions när Na,K-ATPas (NKA) inhiberas. Målet med rapporten är att få en förståelse för hur NKA aktiviteten reglerar cell-cell junction proteinerna. Proteinerna som undersöks är adherens junction proteinet ECadherin, och tight junction proteinerna Claudin7 och Occludin. NKA inhiberas genom att cellerna behandlas med den kardiotoniska steroiden Ouabain. Behandlingen testas under olika tidsperioder och för olika koncentrationer. Resultaten visar att alla proteiner är nedreglerade när de behandlas med höga koncentrationer (500 nM) av Ouabain. ECadherin blir uppreglerad när det behandlas med lägre koncentrationer (10 nM) av Ouabain medan Claudin7 nedregleras vid låga nivåer.
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