Crosstalk between peroxisome proliferator-activated receptor-gamma and angiotensin II in renal tubular epithelial cells in IgA nephropathy

Our recent study suggested that peroxisome proliferator-activated receptor-gamma (PPAR-gamma) agonist attenuates inflammatory response in activated tubular epithelial cells in IgA nephropathy (IgAN). Here, we explore thiazolidinediones as new therapeutic additives to established treatment regime of...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 132(2009), 2 vom: 17. Aug., Seite 266-76
1. Verfasser: Xiao, Jing (VerfasserIn)
Weitere Verfasser: Leung, Joseph C K, Chan, Loretta Y Y, Tang, Sydney C W, Lai, Kar Neng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't 2-chloro-5-nitrobenzanilide Angiotensin II Type 1 Receptor Blockers Anilides Culture Media, Conditioned Immunoglobulin A Interleukin-6 NF-kappa B PPAR gamma mehr... Receptor, Angiotensin, Type 1 Thiazolidinediones Rosiglitazone 05V02F2KDG Intercellular Adhesion Molecule-1 126547-89-5 Extracellular Signal-Regulated MAP Kinases EC 2.7.11.24 Losartan JMS50MPO89
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245 1 0 |a Crosstalk between peroxisome proliferator-activated receptor-gamma and angiotensin II in renal tubular epithelial cells in IgA nephropathy 
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520 |a Our recent study suggested that peroxisome proliferator-activated receptor-gamma (PPAR-gamma) agonist attenuates inflammatory response in activated tubular epithelial cells in IgA nephropathy (IgAN). Here, we explore thiazolidinediones as new therapeutic additives to established treatment regime of renin angiotensin blockade in IgAN. Human proximal tubular epithelial cells (PTEC) were pretreated with PPAR-gamma agonist, rosiglitazone, and/or angiotensin II (AngII) type 1 receptor (ATR1) blocker (ARB), losartan, followed by activation with the conditioned medium collected from human mesangial cells incubated with pIgA1 (IgA-HMC) from patients with IgAN. IgA-HMC conditioned medium up-regulated expression of ICAM-1, IL-6 and ATR1 and activated NF-kappaB and ERK1/2 in PTEC. Dual treatment of rosiglitazone and losartan provided synergistic effect in reducing ICAM-1, IL-6 and ATR1 expression and NF-kappaB and ERK1/2 activation induced by the conditioned media when compared with monotherapy. Our data suggest that rosiglitazone trans-represses AngII signaling and may offer additional potential when combined with ARB in treating IgAN 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Angiotensin II Type 1 Receptor Blockers  |2 NLM 
650 7 |a Anilides  |2 NLM 
650 7 |a Culture Media, Conditioned  |2 NLM 
650 7 |a Immunoglobulin A  |2 NLM 
650 7 |a Interleukin-6  |2 NLM 
650 7 |a NF-kappa B  |2 NLM 
650 7 |a PPAR gamma  |2 NLM 
650 7 |a Receptor, Angiotensin, Type 1  |2 NLM 
650 7 |a Thiazolidinediones  |2 NLM 
650 7 |a Rosiglitazone  |2 NLM 
650 7 |a 05V02F2KDG  |2 NLM 
650 7 |a Intercellular Adhesion Molecule-1  |2 NLM 
650 7 |a 126547-89-5  |2 NLM 
650 7 |a Extracellular Signal-Regulated MAP Kinases  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
650 7 |a Losartan  |2 NLM 
650 7 |a JMS50MPO89  |2 NLM 
700 1 |a Leung, Joseph C K  |e verfasserin  |4 aut 
700 1 |a Chan, Loretta Y Y  |e verfasserin  |4 aut 
700 1 |a Tang, Sydney C W  |e verfasserin  |4 aut 
700 1 |a Lai, Kar Neng  |e verfasserin  |4 aut 
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