Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/53639
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dc.titleInduction of Angiogenesis in Microfluidics by using Prolyl Hydroxylase Inhibitor and Sphingosine I-Phosphate
dc.contributor.authorLIM SEI HIEN
dc.date.accessioned2014-05-31T18:00:49Z
dc.date.available2014-05-31T18:00:49Z
dc.date.issued2013-08-15
dc.identifier.citationLIM SEI HIEN (2013-08-15). Induction of Angiogenesis in Microfluidics by using Prolyl Hydroxylase Inhibitor and Sphingosine I-Phosphate. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/53639
dc.description.abstractProlyl hydroxylase inhibitors (PHis) and sphigosine 1-phosphate (S1P) are shown to induce capillary sprouting in a co-culture microfluidic platform. Combining both factors further enhances the formation of complex tubular networks with lumina. The pro-angiogenic effects are only observed in co-culture with fibroblasts and are explained by the generation of mutually stimulating factors between endothelia (EC) and fibroblasts. S1P induced migration has been shown to be S1P receptor 1 (S1P1) dependent. The downregulation of either VEGF or S1P1 attenuates capillary sprouting and changes the sprouting morphologies. MCP-1 is mainly secreted by fibroblasts, but only in the presence of ECs or EC-conditioned medium, creating an angiogenic effect on sprouting. Blocking antibodies against MCP-1 inhibit the sprouting response. These observations not only confirm the importance of EC-fibroblast crosstalk in angiogenesis but also suggest that the combination of PHi and S1P enhances this synergy and thus might be of therapeutic value for tissue regeneration.
dc.language.isoen
dc.subjectCiclopirox olamine (CPX), fibroblasts, S1P1, cellular crosstalk, MCP-1, VEGF
dc.typeThesis
dc.contributor.departmentBIOMEDICAL ENGINEERING
dc.contributor.supervisorRAGHUNATH, MICHAEL
dc.contributor.supervisorROGER KAMM, MIT
dc.description.degreePh.D
dc.description.degreeconferredDOCTOR OF PHILOSOPHY
dc.identifier.isiutNOT_IN_WOS
Appears in Collections:Ph.D Theses (Open)

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