Background: While most complications of cervical surgery are reversible, some, such as symptomatic postoperative spinal epidural hematoma (SEH), which generally occurs within 24 h, are associated with increased morbidity and mortality. Delayed neurological dysfunction is diagnosed in cases when symptoms present > 3 d postoperatively. Owing to its rarity, the risk factors for delayed neurological dysfunction are unclear.
View Article and Find Full Text PDFHighland barley (HB) is an important cereal crop distributed in the plateau region. Bioactive peptides (BAPs) derived from cereal proteins have shown biological functions. However, the knowledge of highland barley peptide (HBP) is limited.
View Article and Find Full Text PDFThe aim of this study was to evaluate the application potential of a recombinant fungal immunomodulatory protein from (rFIP-glu). First, a recombinant plasmid pPIC9K::FIP-glu-His was transferred into for the production of protein. The protein was then to assess its free radical scavenging abilities and the effect on the viability of both human immortalized keratinocytes (HaCaT cells) and mouse B16-F10 melanoma cells (B16 cells) , followed by the effect on the melanin synthesis of B16 cells.
View Article and Find Full Text PDFChinese Cordyceps is a valuable source of natural products with various therapeutic effects. It is rich in various active components, of which adenosine, cordycepin and polysaccharides have been confirmed with significant immunomodulatory and antitumor functions. However, the underlying antitumor mechanism remains poorly understood.
View Article and Find Full Text PDFYifuning is a traditional Chinese medicine recipe that has been used for many years in China for its effects on treating climacteric syndrome in women. The present study aimed to demonstrate the effects and underlying molecular mechanism of Yifuning on the ovaries of aging rats. Selected aging rats were administered different doses of Yifuning (1.
View Article and Find Full Text PDFZhongguo Zhong Yao Za Zhi
August 2014
In this study the chemical constituents of the higher polar sustances from Desmodium caudatum were investigated.The compounds were isolated by using column chromatographies over silicagel, polyamide, ODS, Sephadex LH-20, and preparative HPLC. The structures of these compounds were identified on the basis of NMR and MS spectra.
View Article and Find Full Text PDFObjective: To study the chemical constituents of Elephantopus tomentosus.
Method: The compounds were isolated by repeated HP20 macro porous adsorption resin column combined with Sephadex LH-20, ODS and silica gel chromatographies. The structures were identified on the basis of extensive spectroscopic data analysis and by comparison of their spectral data reported.
Secondary damage is a critical determinant of the functional outcome in patients with spinal cord injury (SCI), and involves multiple mechanisms of which the most important is the loss of nerve cells mediated by multiple factors. Autophagy can result in cell death, and plays a key role in the development of SCI. It has been recognized that valproic acid (VPA) is neuroprotective in certain experimental animal models, however, the levels of autophagic changes in the process of neuroprotection by VPA treatment following SCI are still unknown.
View Article and Find Full Text PDFZhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi
June 2009
Objective: To construct chimerical DNA vaccine plasmid of human papillomavirus type 11 (HPV11) L1-E7, and to evaluate its immunogenicity.
Methods: Molecular cloning techniques were used to construct recombinant plasmid pcDNA3 L1-E7 as a DNA vaccine. BALB/c mice were vaccinated with DNA recombinants through muscle injection.
Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi
August 2009
Aim: To investigate the effects of advanced glycation end products (AGES) on secretion of plasminogen activator inhibitor-1(PAI-1)by human proximal tubular epithelial cells and its NADPH oxidase dependent pathway.
Methods: Human proximal tubular epithelial cells were cultured in vitro with indicated concentration of AGES modified human serum albumin (AGES-HSA). NADPH oxidase activity were detected by lucigenin-enhanced chemiluminescence.
Background: Several studies have shown that coronary stenting reduces the frequency of clinical and angiographic restenosis in patients with mild to moderate renal insufficiency. However, less is known about the long-term benefits of stent use in this population. This study was aimed to determine the impact of coronary stenting on extended (5 years) long-term outcomes of patients with chronic renal insufficiency.
View Article and Find Full Text PDFBackground: Accumulation of advanced glycation end products (AGEs) or advanced oxidation protein products (AOPPs) has been identified as a risk factor for accelerated atherosclerosis seen in diabetes and chronic kidney disease. However, little is known about the intervention for atherogenesis associated with these oxidized proteins. The rhizome of Picrorhiza scrophulariiflora (PS) has long been used to treat inflammatory diseases as a traditional medication.
View Article and Find Full Text PDFThere is evidence that inflammatory processes are involved in the development and/or progression of diabetic nephropathy. However, effective treatment for inflammation in the kidneys of diabetic is practically unknown. The rhizomes of Picrorhiza scrophulariiflora (PS) are a traditional medication long used to treat inflammatory diseases.
View Article and Find Full Text PDFThe accumulation of advanced oxidation protein products (AOPPs) has been linked to vascular lesions in diabetes, chronic renal insufficiency, and atherosclerosis. However, the signaling pathway involved in AOPPs-induced endothelial cells (ECs) perturbation is unknown and was investigated. AOPPs modified human serum albumin (AOPPs-HSA) bound to the receptor for advanced glycation end products (RAGE) in a dose-dependent and saturable manner.
View Article and Find Full Text PDFDiabetes Metab Res Rev
September 2008
Background: Epidemiological evidence has indicated that vitamin D deficiency increased the risk of insulin resistance in metabolic syndrome. The present study was conducted to test the hypothesis that 1,25-dihydroxyvitamin D may improve the free fatty-acid (FFA)-induced insulin resistance in muscle cells.
Method: The insulin resistance of muscle cell model was established by treatment of FFA in differentiated C2C12 cells.
The involvement of inflammatory processes has been recognized in development and/or progression of diabetic nephropathy. However, the mechanisms involved in the pathogenesis of renal inflammation have not been completely understood. In this study, we tested the hypothesis that accumulation of advanced oxidation protein products (AOPPs), which occurs in diabetes, may promote inflammatory responses in diabetic kidney.
View Article and Find Full Text PDFThe Renoprotection of Optimal Antiproteinuric Doses (ROAD) study was performed to determine whether titration of benazepril or losartan to optimal antiproteinuric doses would safely improve the renal outcome in chronic renal insufficiency. A total of 360 patients who did not have diabetes and had proteinuria and chronic renal insufficiency were randomly assigned to four groups. Patients received open-label treatment with a conventional dosage of benazepril (10 mg/d), individual uptitration of benazepril (median 20 mg/d; range 10 to 40), a conventional dosage of losartan (50 mg/d), or individual uptitration of losartan (median 100 mg/d; range 50 to 200).
View Article and Find Full Text PDFObjective: Increased level of plasma advanced oxidation protein products (AOPPs) has been found in patients with uremia and nonuremic subjects with coronary artery disease. This study was conducted to test the hypothesis that AOPPs play a causal role in atherosclerosis.
Methods And Results: Hypercholesterolemic (0.
Objective: To investigate the expression of receptor for advanced glycation end products (RAGE) in chronic renal failure (CRF) and its role in monocyte-mediated inflammation associated with chronic renal failure (CRF).
Methods: Peripheral monocytes (PMC) were isolated from 96 non-diabetic patients with varying severity of CRF. RAGE expression on monocytes was quantitated by flow cytometry.
Objective: To investigate the effect of advanced glycation end products (AGE) on atheromatous plaque formation and its possible mechanisms.
Methods: Fifty rabbits were randomly divided into five groups of 10 rabbits: group A, fed with hypercholesterolemic diet and injected intravenously with AGE modified rabbit serum albumin (AGE-RSA); group B, fed with hypercholesterolemic diet and injected with unmodified RSA; group C, fed with hypercholesterolemic diet; group D, fed with normal diet alone: and group E, fed with normal diet and injected with AGE-RSA. Ten weeks after the rabbits were killed.
Inappropriate chronic inflammation associated with progressive, chronic kidney disease (CKD) reflects sustained activation of immunocompetent cells, like monocytes/macrophages. Advanced glycation end products (AGE) accumulate in CKD, but it is unclear if they stimulate monocytes by binding with the receptor for AGE (RAGE). Posited was the notion that RAGE plays a contributory role to monocyte-mediated systemic inflammation of progressive CKD.
View Article and Find Full Text PDFBeijing Da Xue Xue Bao Yi Xue Ban
April 2004
Objective: To investigate whether advanced glycation end products (AGE) or advanced oxidative protein products (AOPP) contributes to atherogenesis in experimental hypercholesterolemic rabbits.
Methods: Hypercholesterolemic (0.5% wt/wt diet) rabbits received repeated intravenous injections of either AGE modified rabbit serum albumin (AGE-RSA) or AOPP modified RSA (AOPP-RSA) for 10 weeks.
Objective: To investigate the effects of advanced glycation end products (AGE) on secretion of monocyte chemoattractant protein-1 (MCP-1) by human endothelial cells and its signal transduction pathway.
Methods: Human umbilical vein endothelial cells (HUVECs) and HUVEC-derived cell line (ECV304) were cultured in vitro with indicated concentration of AGE modified human serum albumin (AGE-HSA) or AGE modified bovine serum albumin (AGE-BSA). The production of MCP-1 was evaluated by Western blotting and enzyme-linked immunoadsorbent assay (ELISA).