PMID- 20385070 OWN - NLM STAT- MEDLINE DCOM- 20100622 LR - 20100413 IS - 0393-974X (Print) IS - 0393-974X (Linking) VI - 24 IP - 1 DP - 2010 Jan-Mar TI - Protective effect of a poly-phytocompound on early stage nephropathy secondary to experimentally-induced diabetes. PG - 41-9 AB - Diabetic nephropathy (DN) is a severe and life-threatening complication of long-standing diabetes. As one of the main causes of end-stage renal disease, the prevention and treatment of DN in early stage, and the slowing down of DN progression are of utmost importance and are topics of several ongoing research studies. Nutraceuticals endowed with antioxidant-anti-inflammatory properties may offer an opportunity of integrative treatment for this condition. Male Wistar rats were randomly assigned to two groups. One group of rats (diabetic group) received a single tail-vein injection of STZ compound (50 mg/kg) under light anaesthesia. A protective dose of 0.5 ml of 5 percent dextrose was given intraperitoneally 30 min before the administration of STZ. One diabetic group was fed a normal pellet diet (group A) while group B was fed the diet added with DTS (panax pseudoginseng, eucommia ulmoides), (Kyotsu Jigyo, Tokyo, Japan) in the proportion of 50/25 (percent weight/weight), at the dose of 50 mg/kg/day throughout the experimental period. At the end of 8 weeks, 24-hour urine was collected for the measurement of the albumin concentration: blood samples were collected for serum biochemistry and the rats were sacrificed for kidney measurement of oxidative stress and histomorphological features. Nephrin and Macrophage Chemoattractant Protein-1 (MCP-1) gene expression were also assessed by fluorescence real-time quantitative PCR after RNA extraction and cDNA synthesis. STZ-treated animals showed significantly increased in lipid peroxidation in the kidney and in proteinuria. DTS supplementation did not affect plasma glucose but significantly decreased malonyldialdehyde (MDA) plasma level and the overall redox parameters together with a partial mitigation of proteinuria. Histological analysis showed also that DTS significantly reduced the glomerular volume together with glomerulosclerosis and interstitial fibrosis score (p less than 0.05), the latter two being correlated to proteinuria (p less than 0.05). DTS supplementation also enabled a reduction of diabetes-induced decrease of nephrin mRNA expression and a 67 percent reduction of MCP-1 mRNA up-regulation (p less than 0.01). Taken altogether, these data show that, besides the mandatory control of glycemia, intervention with a nutraceutical with antioxidant and anti-inflammatory properties may have beneficial effects when integrated in the mainstream of the therapeutic regimen. FAU - Marotta, F AU - Marotta F AD - WHO-centre for Biotech and Traditional Medicine, University of Milan, Italy. fmarchimede@libero.it FAU - Harada, M AU - Harada M FAU - Dallah, E D AU - Dallah ED FAU - Yadav, H AU - Yadav H FAU - Solimene, U AU - Solimene U FAU - Di Lembo, S AU - Di Lembo S FAU - Minelli, E AU - Minelli E FAU - Jain, S AU - Jain S FAU - Chui, D H AU - Chui DH LA - eng PT - Journal Article PL - Italy TA - J Biol Regul Homeost Agents JT - Journal of biological regulators and homeostatic agents JID - 8809253 RN - 0 (Blood Glucose) RN - 0 (Ccl2 protein, rat) RN - 0 (Chemokine CCL2) RN - 0 (DNA Primers) RN - 0 (Membrane Proteins) RN - 0 (RNA, Messenger) RN - 0 (nephrin) SB - IM MH - Animals MH - Base Sequence MH - Blood Glucose/metabolism MH - Chemokine CCL2/genetics MH - DNA Primers/genetics MH - Diabetes Mellitus, Experimental/*drug therapy/genetics/metabolism/pathology MH - Diabetic Nephropathies/genetics/metabolism/pathology/*prevention & control MH - Female MH - Lipid Peroxidation/drug effects MH - Male MH - Membrane Proteins/genetics MH - Oxidative Stress/drug effects MH - *Panax MH - *Phytotherapy MH - RNA, Messenger/genetics/metabolism MH - Rats MH - Rats, Wistar EDAT- 2010/04/14 06:00 MHDA- 2010/06/23 06:00 CRDT- 2010/04/14 06:00 PHST- 2010/04/14 06:00 [entrez] PHST- 2010/04/14 06:00 [pubmed] PHST- 2010/06/23 06:00 [medline] AID - 5 [pii] PST - ppublish SO - J Biol Regul Homeost Agents. 2010 Jan-Mar;24(1):41-9.