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Bethany P Cummings et al.
Disease models & mechanisms, 6(2), 443-456 (2012-12-25)
Post-operative increases in circulating bile acids have been suggested to contribute to the metabolic benefits of bariatric surgery; however, their mechanistic contributions remain undefined. We have previously reported that ileal interposition (IT) surgery delays the onset of type 2 diabetes
Florence Janvier et al.
Journal of the mechanical behavior of biomedical materials, 18, 100-107 (2012-12-25)
Elevated red blood cell (RBC) aggregation increases low-shear blood viscosity and is closely related to several pathophysiological diseases such as atherosclerosis, thrombosis, diabetes, hypertension, cancer, and hereditary chronic hemolytic conditions. Non-ionic linear polymers such as poly(ethylene glycol) (PEG) and Pluronic
Spyridon Theofilopoulos et al.
Nature chemical biology, 9(2), 126-133 (2013-01-08)
Liver X receptors (Lxrα and Lxrβ) are ligand-dependent nuclear receptors critical for ventral midbrain neurogenesis in vivo. However, no endogenous midbrain Lxr ligand has so far been identified. Here we used LC/MS and functional assays to identify cholic acid as
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
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.
Salil Kumar Bhowmik et al.
Archives of pharmacal research, 35(11), 1969-1977 (2012-12-06)
To characterize the impact of gut microbiota on host bile acid metabolism, we investigated the metabolic profiles of oxysterols and bile acids (BAs) in a conventional rat model (SD) (n=5) and its pseudo germ-free (GF) equivalent (n=5). GF rats were
Zheng Pan et al.
Carbohydrate polymers, 94(1), 394-399 (2013-04-03)
Self-assembled amphiphilic N-(2,3-dihydroxypropyl)-chitosan-cholic acid (DHP-CS-CHO) micelle was prepared as a carrier for paclitaxel. DHP-CS-CHO was synthesized by grafted small molecules cholic acid and glycidol onto primary amine group of chitosan, respectively. The DHP-CS-CHO formed uniform micelles (size=212.4±3.1 nm) with a
Ying Guo et al.
Xenobiotica; the fate of foreign compounds in biological systems, 45(7), 586-597 (2015-03-04)
1. Previous studies have shown that diets can alter the metabolism of drugs; however, it is difficult to compare the effects of multiple diets on drug metabolism among different experimental settings. Phase-I-related genes play a major role in the biotransformation
Shu Zhang et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(5), 743-748 (2015-03-01)
Farnesoid X receptor (FXR) functions as a regulator of bile acid and lipid homeostasis and is recognized as a promising therapeutic target for metabolic diseases. The biologic function of FXR is mediated in part by a small heterodimer partner (SHP);
Claire Legendre et al.
Infection and immunity, 82(9), 3531-3541 (2014-06-11)
Gastroesophageal reflux (GER) frequently occurs in patients with respiratory disease and is particularly prevalent in patients with cystic fibrosis. GER is a condition in which the duodenogastric contents of the stomach leak into the esophagus, in many cases resulting in
Limin Zhang et al.
Environmental health perspectives, 123(7), 679-688 (2015-03-15)
Alteration of the gut microbiota through diet and environmental contaminants may disturb physiological homeostasis, leading to various diseases including obesity and type 2 diabetes. Because most exposure to environmentally persistent organic pollutants (POPs) occurs through the diet, the host gastrointestinal
Shadi Abu-Hayyeh et al.
Hepatology (Baltimore, Md.), 57(2), 716-726 (2012-09-11)
Intrahepatic cholestasis of pregnancy (ICP) is the most prevalent pregnancy-specific liver disease and is associated with an increased risk of adverse fetal outcomes, including preterm labor and intrauterine death. The endocrine signals that cause cholestasis are not known but 3α-sulfated
Maria C Estiú et al.
British journal of clinical pharmacology, 79(2), 316-329 (2014-08-08)
Intrahepatic cholestasis of pregnancy (ICP) is characterized by pruritus and elevated bile acid concentrations in maternal serum. This is accompanied by an enhanced risk of intra-uterine and perinatal complications. High concentrations of sulphated progesterone metabolites (PMS) have been suggested to
Laskarina-Maria Korou et al.
Scientific reports, 4, 6806-6806 (2014-10-29)
Hyperlipidemia and stress are important factors affecting cardiovascular health in middle-aged individuals. We investigated the effects of N-acetylcysteine (NAC) and sesame oil on the lipidemic status, liver architecture and the hypothalamic-pituitary-adrenal (HPA) axis of middle-aged mice fed a cholesterol-enriched diet.
Irena Jankowska et al.
Clinics and research in hepatology and gastroenterology, 36(3), 271-274 (2012-05-23)
Progressive familial intrahepatic cholestasis (PFIC), types 1, 2 and 3, are due to defects in genes involved in bile secretion (FIC1, BSEP, MDR3). PFIC and inborn errors of bile acid synthesis (IEBAS) often present in infancy with cholestasis. The distinctive
Junying Zhang et al.
PloS one, 8(2), e56658-e56658 (2013-02-26)
To investigate the therapeutic effects and acting mechanism of a combination of Chinese herb active components, i.e., a combination of baicalin, jasminoidin and cholic acid (CBJC) on Alzheimer's disease (AD). Male rats were intracerebroventricularly injected with ibotenic acid (IBO), and
Diana Vivian et al.
Journal of pharmaceutical sciences, 103(11), 3782-3792 (2014-09-10)
Previously, we developed a trifluorinated bile acid, CA-lys-TFA, with the objective of noninvasively assessing bile acid transport in vivo using (19) F magnetic resonance imaging (MRI). CA-lys-TFA was successfully imaged in the mouse gallbladder, but was susceptible to deconjugation in
Sung Hun Kim et al.
Molecules (Basel, Switzerland), 17(10), 12357-12364 (2012-10-24)
The investigation of secondary metabolites in liquid cultures of a recently discovered marine bacterium, Hasllibacter halocynthiae strain KME 002T, led to the isolation of two new cholic acid derivatives. The structures of these compounds were determined to be 3,3,12-trihydroxy-7-ketocholanic acid
Priyanka Prakash et al.
Biochemistry, 52(42), 7461-7469 (2013-09-27)
Prolonged usage of nonsteroidal anti-inflammatory drugs (NSAIDs) causes gastrointestinal injury. Bile acids and phospholipids have been shown to exasperate and attenuate NSAIDs' toxicity, respectively. However, the molecular mechanisms underlying these effects remain undetermined. We have investigated the molecular interactions in
Shigeru Mineo et al.
Journal of nutritional science and vitaminology, 61(4), 306-312 (2015-10-07)
Boysenberry, a hybrid Rubus berry, is mainly cultivated in New Zealand. We previously reported that consumption of boysenberry juice (BBJ) exhibited anti-obesity effects in high-fat feeding rats. In this study, we focused on the suppressive effect of BBJ and its
Vedagopuram Sreekanth et al.
The journal of physical chemistry. B, 117(7), 2123-2133 (2013-02-07)
We have studied the interactions of three bile acid-tamoxifen conjugates, lithocholic acid-tamoxifen (LA-Tam(1)-Am), deoxycholic acid-tamoxifen (DCA-Tam(2)-Am), and cholic acid-tamoxifen (CA-Tam(3)-Am), possessing 1-3 tamoxifen molecules having an amine headgroup with model DPPC membranes and compared with N-desmethylated tamoxifen (TamNHMe) using DPH
Pramod J Kasabe et al.
Protein expression and purification, 116, 30-41 (2015-08-16)
The novel bacterium, Rhodococcus sp. PKPD-CL was isolated and identified from the 'Chilika Lake' located at Odisha state of India, which is a largest brackish water habitat in Asia. Rhodococcus sp. PKPD-CL produces extracellular halo tolerant, detergent and organic solvent
Kai Xiao et al.
Biomaterials, 67, 183-193 (2015-07-29)
Histone deacetylase (HDAC) inhibitors are an emerging class of targeted therapy against cancers. Thailandepsin A (TDP-A) is a recently discovered class I HDAC inhibitor with broad anti-proliferative activities. In the present study, we aimed to investigate the potential of TDP-A
Huiyong Wang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 980, 72-78 (2015-01-16)
Bile acids (BAs) have recently gained more attention because of their diverse roles from digestion to signaling. Simultaneous analyses of various BAs in biological samples are challenging due to their structural similarity, relatively low concentrations, and the presence of isomeric
Danny Létourneau et al.
Journal of lipid research, 53(12), 2677-2689 (2012-09-29)
Steroidogenic acute regulatory-related lipid transfer (START) domain proteins are involved in the nonvesicular intracellular transport of lipids and sterols. The STARD1 (STARD1 and STARD3) and STARD4 subfamilies (STARD4-6) have an internal cavity large enough to accommodate sterols. To provide a
Priyanka Prakash et al.
Biochimica et biophysica acta, 1818(12), 3040-3047 (2012-08-14)
Non-steroidal anti-inflammatory drugs (NSAIDs) are frequently used to treat chronic pain and inflammation. However, prolonged use of NSAIDs has been known to result in Gastrointestinal (GI) ulceration/bleeding, with a bile-mediated mechanism underlying their toxicity to the lower gut. Bile acids
Sweety Mathew et al.
Journal of translational medicine, 12, 161-161 (2014-06-08)
High-throughput screening techniques that analyze the metabolic endpoints of biological processes can identify the contributions of genetic predisposition and environmental factors to the development of common diseases. Studies applying controlled physiological challenges can reveal dysregulation in metabolic responses that may
Tatsuya Uebi et al.
PloS one, 7(5), e37803-e37803 (2012-06-05)
Salt-inducible kinase 3 (SIK3), an AMP-activated protein kinase-related kinase, is induced in the murine liver after the consumption of a diet rich in fat, sucrose, and cholesterol. To examine whether SIK3 can modulate glucose and lipid metabolism in the liver
Zhonghua Wang et al.
Journal of proteome research, 14(6), 2583-2593 (2015-05-21)
The toxicities of polycyclic aromatic hydrocarbons (PAHs) have been extensively explored due to their carcinogenic and mutagenic potency; however, little is known about the metabolic responses to chronic environmental PAH exposure among the general population. In the present study, 566
Ke Li et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1001, 27-34 (2015-08-09)
Many fishes are hypothesized to use bile acids (BAs) as chemical cues, yet quantification of BAs in biological samples and the required methods remain limited. Here, we present an UHPLC-MS/MS method for simultaneous, sensitive, and rapid quantification of 15 BAs
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