The Effects of Anti-Inflammatory and Anti-Angiogenic DNA Vaccination on Diabetic Nephropathy in Rats

被引：16
作者：
Celec, Peter [1 ,2 ,3 ]
Hodosy, Julius [1 ,4 ,5 ]
Gardlik, Roman [2 ,6 ]
Behuliak, Michal [1 ,2 ]
Palffy, Roland [1 ,2 ]
Pribula, Marek [1 ]
Jani, Peter [7 ]
Turna, Jan [3 ]
Sebekova, Katarina [1 ]
机构：
[1] Comenius Univ, Inst Mol Biomed, Bratislava 81108, Slovakia
[2] Comenius Univ, Inst Pathophysiol, Bratislava 81108, Slovakia
[3] Comenius Univ, Dept Mol Biol, Bratislava 84215, Slovakia
[4] Comenius Univ, Inst Physiol, Bratislava 81108, Slovakia
[5] Comenius Univ, Fac Hosp, Bratislava 82606, Slovakia
[6] Harvard Univ, Beth Israel Deaconess Med Ctr, Sch Med, Boston, MA 02215 USA
[7] Hosp Krnov, Dept Pathol, Krnov 79401, Czech Republic
来源：
HUMAN GENE THERAPY | 2012年 / 23卷 / 02期
关键词：
MONOCYTE CHEMOATTRACTANT PROTEIN-1; ENDOTHELIAL GROWTH-FACTOR; LOW-GRADE INFLAMMATION; RENAL INJURY; GENE-THERAPY; PLASMID DNA; EARLY-STAGE; AUTOIMMUNE MYOCARDITIS; SKELETAL-MUSCLE; UP-REGULATION;
D O I：
10.1089/hum.2011.030
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Inflammation and angiogenesis play a crucial role in the pathomechanism of diabetic nephropathy. Monocyte chemoattractant protein 1 (MCP) is a key regulator of the immune system in kidneys, and its inhibition with a dominant-negative mutant lacking the N-terminal amino acids 2-8 (7ND) reduces renal fibrosis. Angiomotin (Amot) is a novel angiogenesis modulator. We studied the effects of inhibition of Amot and MCP using DNA vaccination on incipient diabetic nephropathy in rats. Plasmid DNA (with either 7ND or human Amot) was electroporated twice into hind-limb muscles of rats with streptozotocin-induced diabetes mellitus. Sham-electroporated diabetic rats and healthy animals served as controls. After 4 months, renal histology and biochemical analyses were performed. In sham-electroporated diabetic rats, glomerular histology revealed pathological changes. 7ND and Amot treatments reduced glomerular hypertrophy and periodic acid-Schiff positivity. In both treated groups, the expression of profibrotic (transforming growth factor-b, collagen 1), proinflammatory (interleukin-6, tumor necrosis factor-a), and proangiogenic (vascular endothelial growth factor) genes in the renal cortex was lower than in the diabetic group without treatment. The mentioned renoprotective effects could be mediated via higher total antioxidant capacity and improved glycemic control. Anti-angiogenic and anti-inflammatory DNA vaccination ameliorates the progression of glomerular pathology in an animal model of diabetic nephropathy.
引用
收藏
页码：158 / 166
页数：9
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