PMID- 20381502 OWN - NLM STAT- MEDLINE DCOM- 20101116 LR - 20171116 IS - 1095-9319 (Electronic) IS - 0026-2862 (Linking) VI - 80 IP - 2 DP - 2010 Sep TI - Pigment epithelium-derived factor inhibits advanced glycation end product-elicited mesangial cell damage by blocking NF-kappaB activation. PG - 227-32 LID - 10.1016/j.mvr.2010.03.015 [doi] AB - Advanced glycation end products (AGE), senescent macroprotein derivatives formed at an accelerated rate under hyperglycemic conditions, elicit oxidative stress generation and inflammatory reactions, thus being involved in the development and progression of diabetic nephropathy. Recently, we, along with others, have found that pigment epithelium-derived factor (PEDF), a glycoprotein with potent neuronal differentiating activity, inhibits AGE-elicited endothelial cell damage through its anti-oxidative properties and blocks the progression of experimental diabetic retinopathy. However, a role of PEDF in diabetic nephropathy is not fully understood. In this study, we investigated whether and how PEDF could protect against AGE-elicited mesangial cell damage in vitro. PEDF mRNA and protein levels were decreased by the treatments of AGE. PEDF or neutralizing antibody raised against RAGE (receptor for AGE) was found to inhibit the AGE-induced oxidative stress generation and subsequent NF-kappaB activation in mesangial cells. Further, AGE increased mRNA levels of monocyte chemoattractant protein-1 (MCP-1), vascular cell adhesion molecule-1 (VCAM-1) and plasminogen activator inhibitor-1 (PAI-1) in mesangial cells, all of which were prevented by the treatments with PEDF, RAGE antibody or pyrrolidine dithiocarbamate, a NF-kappaB inhibitor. The present results demonstrated for the first time that PEDF blocked the AGE-RAGE-mediated mesangial cell injury by inhibiting NF-kappaB activation via suppression of reactive oxygen species generation. Our present study suggests that substitution of PEDF proteins may be a promising strategy for the treatment of diabetic nephropathy. CI - Copyright 2010 Elsevier Inc. All rights reserved. FAU - Ide, Yuichiro AU - Ide Y AD - Department of Pathophysiology and Therapeutics of Diabetic Vascular Complications, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan. FAU - Matsui, Takanori AU - Matsui T FAU - Ishibashi, Yuji AU - Ishibashi Y FAU - Takeuchi, Masayoshi AU - Takeuchi M FAU - Yamagishi, Sho-ichi AU - Yamagishi S LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20100408 PL - United States TA - Microvasc Res JT - Microvascular research JID - 0165035 RN - 0 (Antibodies, Blocking) RN - 0 (CCL2 protein, human) RN - 0 (Chemokine CCL2) RN - 0 (Eye Proteins) RN - 0 (Glycation End Products, Advanced) RN - 0 (NF-kappa B p50 Subunit) RN - 0 (NFKB1 protein, human) RN - 0 (Nerve Growth Factors) RN - 0 (Plasminogen Activator Inhibitor 1) RN - 0 (Pyrrolidines) RN - 0 (Reactive Oxygen Species) RN - 0 (Receptor for Advanced Glycation End Products) RN - 0 (Receptors, Immunologic) RN - 0 (SERPINE1 protein, human) RN - 0 (Serpins) RN - 0 (Thiocarbamates) RN - 0 (Vascular Cell Adhesion Molecule-1) RN - 0 (pigment epithelium-derived factor) RN - 25769-03-3 (pyrrolidine dithiocarbamic acid) RN - 27432CM55Q (Serum Albumin, Bovine) SB - IM MH - Animals MH - Antibodies, Blocking/pharmacology MH - Blotting, Western MH - Cattle MH - Cell Count MH - Chemokine CCL2/genetics/metabolism MH - Diabetic Nephropathies/metabolism/physiopathology MH - Drug Antagonism MH - Eye Proteins/genetics/*pharmacology MH - Gene Expression Regulation/drug effects MH - Glycation End Products, Advanced/*antagonists & inhibitors/pharmacology MH - Humans MH - Mesangial Cells/*drug effects/metabolism/pathology MH - NF-kappa B p50 Subunit/antagonists & inhibitors/*biosynthesis MH - Nerve Growth Factors/genetics/*pharmacology MH - Oxidative Stress/drug effects MH - Plasminogen Activator Inhibitor 1/genetics/metabolism MH - Pyrrolidines/pharmacology MH - Reactive Oxygen Species/metabolism MH - Receptor for Advanced Glycation End Products MH - Receptors, Immunologic/immunology MH - Serpins/genetics/*pharmacology MH - Serum Albumin, Bovine/pharmacology MH - Thiocarbamates/pharmacology MH - Vascular Cell Adhesion Molecule-1/genetics/metabolism EDAT- 2010/04/13 06:00 MHDA- 2010/11/17 06:00 CRDT- 2010/04/13 06:00 PHST- 2009/11/20 00:00 [received] PHST- 2010/03/17 00:00 [revised] PHST- 2010/03/30 00:00 [accepted] PHST- 2010/04/13 06:00 [entrez] PHST- 2010/04/13 06:00 [pubmed] PHST- 2010/11/17 06:00 [medline] AID - S0026-2862(10)00080-4 [pii] AID - 10.1016/j.mvr.2010.03.015 [doi] PST - ppublish SO - Microvasc Res. 2010 Sep;80(2):227-32. doi: 10.1016/j.mvr.2010.03.015. Epub 2010 Apr 8.