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Showing 1-30 of 71 results for "v900488" within Papers
Hasan Salman Siddiqi et al.
Journal of cardiovascular pharmacology, 64(2), 151-163 (2014-04-01)
This study was aimed to offer a possible pharmacological basis regarding the remedial utilization of Wrightia tinctoria in hypertension and dyslipidemia in certain South Asian traditional systems of medicine, using in vivo and in vitro assays. The aqueous methanolic extract
Liliya Vinarova et al.
Food & function, 6(4), 1319-1330 (2015-03-17)
Quillaja saponin extracts are known to reduce plasma cholesterol levels in humans. Here we study the mechanism of this effect with Quillaja Dry saponin extract (QD). In vitro model of triglyceride lipolysis is used to quantify the effect of QD
Edurne Nuin et al.
Organic letters, 15(2), 298-301 (2013-01-01)
New photoactive dyads have been synthesized by derivatization of cholic acid (CA) or cholesterol (Ch). These compounds have proven to be efficient tools to monitor incorporation of CA and Ch to mixed micelles (MM) and to probe the microenvironment experienced
Sylwia Mildner-Szkudlarz et al.
Journal of the science of food and agriculture, 93(13), 3271-3278 (2013-04-16)
New breads fortified with two different forms of grape by-products, namely dried powdered skins (PGP) and freeze-dried extract therefrom (EGP), were characterised and their protective effect against hypercholesterolaemia in rats was studied. The phenolic compound profiles of supplemented breads were
Stephan Harm et al.
The International journal of artificial organs, 37(9), 668-678 (2014-09-30)
Extracorporeal blood purification systems based on combined membrane/adsorption technologies are used in acute liver failure to replace detoxification as well as to remove inflammatory mediators in sepsis patients. In addition to coating and chemical modification of the surface, pore size
Dansyl-labeled cholic acid as a tool to build speciation diagrams for the aggregation of bile acids.
Miguel Gomez-Mendoza et al.
The journal of physical chemistry. B, 116(51), 14776-14780 (2012-12-05)
Bile acids (BAs) are a family of natural steroids biosynthesized from cholesterol in the liver that tend to form aggregates in solution. A fluorescent derivative of cholic acid, namely 3α-Dns-ChA, was employed as a reporter to establish the speciation diagrams
Michal Jurášek et al.
Steroids, 78(3), 356-361 (2013-01-08)
There were synthesized new types of ribbon type steroidal dimers derived from three types of steroidal skeletons (cholic acid, etienic acid, estrone) using Cu(I) catalyzed 1, 3-dipolar cycloaddition reaction. Steroid parts of the molecular "ribbons" are linked by heterocyclic moiety
Chiara Gabbi et al.
Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver, 44(12), 1018-1026 (2012-08-14)
Non-alcoholic fatty liver disease, one of the most prevalent liver disorders in Western countries, is characterized by hepatic accumulation of triglycerides. Bile acids have long been known to affect triglyceride homeostasis through a not completely understood mechanism. To analyse the
Xiaoyan Chu et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(6), 851-863 (2015-03-31)
Inhibition of hepatic transporters such as organic anion transporting polypeptides (OATPs) 1B can cause drug-drug interactions (DDIs). Determining the impact of perpetrator drugs on the plasma exposure of endogenous substrates for OATP1B could be valuable to assess the risk for
Amanda Ruprecht et al.
Journal of bacteriology, 197(8), 1360-1367 (2015-02-04)
The acyl coenzyme A (acyl-CoA) dehydrogenases (ACADs) FadE34 and CasC, encoded by the cholesterol and cholate gene clusters of Mycobacterium tuberculosis and Rhodococcus jostii RHA1, respectively, were successfully purified. Both enzymes differ from previously characterized ACADs in that they contain
V V Kollerov et al.
Steroids, 78(3), 370-378 (2013-01-22)
Selected actinobacteria and filamentous fungi of different taxonomy were screened for the ability to carry out regio- and stereospecific hydroxylation of lithocholic acid (LCA) at position 7β. The production of ursodeoxycholic acid (UDCA) was for the first time shown for
Jennifer A Martin et al.
Analytical and bioanalytical chemistry, 406(19), 4637-4647 (2014-06-02)
The first-known aptamer for the stress biomarker cortisol was selected using a tunable stringency magnetic bead selection strategy. The capture DNA probe immobilized on the beads was systematically lengthened to increase the number of bases bound to the complementary pool
Atefeh Rafiei et al.
Rapid communications in mass spectrometry : RCM, 29(1), 119-127 (2014-12-03)
Data analysis is a key step in mass spectrometry based untargeted metabolomics, starting with the generation of generic peak lists from raw liquid chromatography/mass spectrometry (LC/MS) data. Due to the use of various algorithms by different workflows, the results of
Wen-Hua Chen et al.
Chemistry & biodiversity, 10(3), 385-393 (2013-03-16)
Four dimeric sterol-polyamine conjugates have been synthesized from the homo- and hetero-connection of monomeric sterol-polyamine analogs in a head-to-tail manner. These dimeric conjugates show strong antibacterial activity against a broad spectrum of Gram-positive bacteria, whereas their corresponding activities against Gram-negative
Nianbai Fang et al.
Experimental biology and medicine (Maywood, N.J.), 240(4), 488-497 (2014-10-12)
High-performance liquid chromatography (HPLC) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) are generally accepted as the preferred techniques for detecting and quantitating analytes of interest in biological matrices on the basis of the rule that one chemical compound yields one LC-peak
Jennifer Haggarty et al.
Metabolomics : Official journal of the Metabolomic Society, 11(5), 1465-1470 (2015-09-15)
The serial coupling of a reversed-phase liquid chromatography (RPLC) column to a hydrophilic interaction liquid chromatography (HILIC) column has been developed in recent years for the detection of polar and nonpolar metabolites. TCA intermediates, bile acid standards and numerous polar
Zhang Yida et al.
BioMed research international, 2015, 602313-602313 (2015-12-22)
N-Acetylneuraminic acid (Neu5Ac) is a biomarker of cardiometabolic diseases. In the present study, we tested the hypothesis that dietary Neu5Ac may improve cardiometabolic indices. A high fat diet (HFD) + Neu5Ac (50 or 400 mg/kg BW/day) was fed to rats and
Yunpeng Qi et al.
Biochimica et biophysica acta, 1851(1), 19-29 (2014-05-07)
Bile acid synthesis is the major pathway for catabolism of cholesterol. Cholesterol 7α-hydroxylase (CYP7A1) is the rate-limiting enzyme in the bile acid biosynthetic pathway in the liver and plays an important role in regulating lipid, glucose and energy metabolism. Transgenic
Jia Liu et al.
Experimental and therapeutic medicine, 10(5), 1947-1952 (2015-12-08)
The main obstacle in the development of an effective tumor vaccine is the inherent ability of tumors to evade immune responses. Tumors often use common immune mechanisms and regulators to evade the immune system. The present study aimed to analyze
Víctor Caz et al.
Journal of agricultural and food chemistry, 63(33), 7371-7380 (2015-08-19)
Mushrooms are a source of dietary fiber (DF) with a cholesterol-lowering effect. However, their underlying mechanisms are poorly understood. The effect of DF-enriched fractions from three mushrooms species on cholesterol-related expression was studied in vitro. The Pleurotus ostreatus DF fraction
Jilite Wang et al.
Bioscience, biotechnology, and biochemistry, 79(3), 456-461 (2014-11-07)
Dietary plant protein is well known to reduce serum cholesterol levels. Rice bran is a by-product of rice milling and is a good source of protein. The present study examined whether feeding rats a high-cholesterol diet containing 10% rice bran
Clara John et al.
Journal of chromatography. A, 1371, 184-195 (2014-12-03)
Recently, hydroxy sterols and bile acids have gained growing interest as they are important regulators of energy homoeostasis and inflammation. The high number of different hydroxy sterols and bile acid species requires powerful analytical tools to quantify these structurally and
Yinying Chen et al.
Naunyn-Schmiedeberg's archives of pharmacology, 385(8), 797-806 (2012-05-25)
In order to elucidate the overlapping and diverse pharmacological protective mechanisms of different Chinese medicinal compounds, we investigated the alteration of gene expression and activation of signaling pathways in the mouse hippocampus after treatment of cerebral ischemia-reperfusion injury with various
Yu Shao et al.
ACS applied materials & interfaces, 6(13), 10381-10392 (2014-06-13)
To develop a feasible and efficient nanocarrier for potential clinical application, a series of photo and redox dual responsive reversibly cross-linked micelles have been developed for the targeted anticancer drug delivery. The nanocarrier can be cross-linked efficiently via a clean
Ryan D Jones et al.
American journal of physiology. Gastrointestinal and liver physiology, 303(2), G263-G274 (2012-05-26)
Cholesterol 7α-hydroxylase (CYP7A1) is the initiating and rate-limiting enzyme in the neutral pathway that converts cholesterol to primary bile acids (BA). CYP7A1-deficient (Cyp7a1(-/-)) mice have a depleted BA pool, diminished intestinal cholesterol absorption, accelerated fecal sterol loss, and increased intestinal
F J Reen et al.
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 33(10), 1763-1771 (2014-05-13)
Chronic respiratory infections are a leading global cause of morbidity and mortality. However, the molecular triggers that cause respiratory pathogens to adopt persistent and often untreatable lifestyles during infection remain largely uncharacterised. Recently, bile aspiration caused by gastro-oesophageal reflux (GOR)
Chunyan Zhao et al.
European journal of drug metabolism and pharmacokinetics, 39(2), 129-137 (2013-06-12)
For orally administered drugs, the metabolism of a drug by the gut flora plays an important role in the bioavailability, activation and disposition of the drug in vivo. However, no in vitro system is currently available to evaluate the metabolism
Yubing Xiong et al.
Macromolecular bioscience, 12(4), 515-524 (2012-05-19)
A novel amphiphilic and biodegradable polyelectrolyte DS-CA is prepared by the esterification of DS with CA. DS-CA can self-assemble into stable nanoparticles in water. SOD can effectively associate with DS-CA at pH = 5.0 by virtue of electrostatic and hydrophobic
Yao Qi et al.
Molecular bioSystems, 10(10), 2617-2625 (2014-07-22)
Rheumatoid arthritis (RA) is a chronic systemic inflammatory and autoimmune disease accompanied by the destruction and deformities of joints. Adjuvant-induced arthritis (AIA) is one of the excellent animal models of RA used to understand disease pathogenesis and screen potential drugs.
Manish Singh et al.
Biochimica et biophysica acta, 1828(8), 1926-1937 (2013-04-18)
We synthesized four cationic bile acid based facial amphiphiles featuring trimethyl ammonium head groups. We evaluated the role of these amphiphiles for cytotoxic activities against colon cancer cells and their membrane interactions by varying charge, hydration and hydrophobicity. The singly
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