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Articles 1 - 3 of 3
Full-Text Articles in Medicine and Health Sciences
Decorin Is A Novel Antagonistic Ligand Of The Met Receptor., Silvia Goldoni, Ashley Humphries, Alexander Nyström, Sampurna Sattar, Rick T Owens, David J Mcquillan, Keith Ireton, Renato V Iozzo
Decorin Is A Novel Antagonistic Ligand Of The Met Receptor., Silvia Goldoni, Ashley Humphries, Alexander Nyström, Sampurna Sattar, Rick T Owens, David J Mcquillan, Keith Ireton, Renato V Iozzo
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Decorin, a member of the small leucine-rich proteoglycan gene family, impedes tumor cell growth by down-regulating the epidermal growth factor receptor. Decorin has a complex binding repertoire, thus, we predicted that decorin would modulate the bioactivity of other tyrosine kinase receptors. We discovered that decorin binds directly and with high affinity (K(d) = approximately 1.5 nM) to Met, the receptor for hepatocyte growth factor (HGF). Binding of decorin to Met is efficiently displaced by HGF and less efficiently by internalin B, a bacterial Met ligand. Interaction of decorin with Met induces transient receptor activation, recruitment of the E3 ubiquitin ligase …
Developing Tta Transgenic Rats For Inducible And Reversible Gene Expression., Hongxia Zhou, Cao Huang, Min Yang, Carlisle P Landel, Pedro Yuxing Xia, Yong-Jian Liu, Xu Gang Xia
Developing Tta Transgenic Rats For Inducible And Reversible Gene Expression., Hongxia Zhou, Cao Huang, Min Yang, Carlisle P Landel, Pedro Yuxing Xia, Yong-Jian Liu, Xu Gang Xia
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
To develop transgenic lines for conditional expression of desired genes in rats, we generated several lines of the transgenic rats carrying the tetracycline-controlled transactivator (tTA) gene. Using a vigorous, ubiquitous promoter to drive the tTA transgene, we obtained widespread expression of tTA in various tissues. Expression of tTA was sufficient to strongly activate its reporter gene, but was below the toxicity threshold. We examined the dynamics of Doxycycline (Dox)-regulated gene expression in transgenic rats. In the two transmittable lines, tTA-mediated activation of the reporter gene was fully subject to regulation by Dox. Dox dose-dependently suppressed tTA-activated gene expression. The washout …
Graft-Versus-Host Disease-Like Pattern In Mycophenolate Mofetil Related Colon Mucosal Injury: Role Of Fish In Establishing The Diagnosis., Kathryn C Behling, Dorothy M J Foster, Tina B Edmonston, Agnieszka K Witkiewicz
Graft-Versus-Host Disease-Like Pattern In Mycophenolate Mofetil Related Colon Mucosal Injury: Role Of Fish In Establishing The Diagnosis., Kathryn C Behling, Dorothy M J Foster, Tina B Edmonston, Agnieszka K Witkiewicz
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Mycophenolate mofetil (CellCept®), a commonly used immunosuppressive drug in solid organ transplantation, has recently been shown to cause graft-versus-host disease (GVHD)-like changes in the gastrointestinal tract. On rare occasions, true GVHD has also been documented in the gastrointestinal tract of solid organ transplant patients. Because the treatment for these two entities is different, i.e. removal of the offending agent versus the administration of steroids, proper identification of the cause is imperative. We present a case of mycophenolate mofetil colitis mimicking grade I GVHD of the gut. In our study, we used fluorescence in situ hybridization for the Y chromosome to …