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Yukako Okazaki et al.
Journal of nutritional science and vitaminology, 58(5), 366-370 (2013-01-19)
To examine the effect of supplemental dietary vitamin B(6) on the colonic luminal environment, growing male rats were fed a high-fat diet containing 1, 7, or 35 mg pyridoxine HCl/kg diet for 6 wk. Food intake and growth were unaffected
Nathalie Ménard et al.
Pharmaceutical research, 29(7), 1882-1896 (2012-03-28)
Novel surfactants made of diglutamic acid (DG) polar head linked to lithocholic, arachidonic, linoleic or stearic acids were designed for drug solubilization. Surfactants 3-D conformer and packing parameter were determined by molecular modelling and self-assembling properties by pyrene fluorescence measurements.
Jose A Caparrós-Martín et al.
Microorganisms, 12(1) (2024-01-23)
Atherosclerotic cardiovascular disease (ASCVD) is a leading cause of global mortality, often associated with high blood levels of LDL cholesterol (LDL-c). Medications like statins and PCSK9 inhibitors, are used to manage LDL-c levels and reduce ASCVD risk. Recent findings connect
Tanmay Bera et al.
Langmuir : the ACS journal of surfaces and colloids, 29(1), 387-392 (2012-12-21)
The concentration level of bile acids is a clinical biomarker for the diagnosis of intestinal diseases because individuals suffering from intestinal diseases have a sharply increased concentration of bile acids at micromolar levels. Here, we report the detection of lithocholic
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
Claudiu Saracut et al.
Acta cirurgica brasileira, 30(9), 624-631 (2015-10-16)
To assess whether deoxycholic acid (DOC) and lithocholic acid (LCA) administered in a period of six months in a concentration of 0.25% may have a carcinogenic role in mice colon. The study used C57BL6 female mice divided into four groups.
Shinji Sato et al.
Hepato-gastroenterology, 59(118), 1804-1808 (2012-03-01)
Evaluation of bile acids (BA) is useful for assessing the changes of intestinal flora in patients with ulcerative colitis (UC). During enterohepatic circulation, the intestinal micro flora cause 7 alpha-dehydroxylation of cholic acid (CA) and chenodeoxycholic acid (CDCA), yielding deoxycholic
Hai-Bing He et al.
Bioorganic & medicinal chemistry letters, 22(23), 7237-7242 (2012-10-17)
Protein tyrosine phosphatase 1B (PTP1B) is a major negative regulator of both insulin and leptin signals. For years, inhibiting of PTP1B has been considered to be a potential therapeutics for treating Type 2 diabetes and obesity. Recently, we recognized lithocholic
Shasha Song et al.
The journal of physical chemistry. B, 116(42), 12850-12856 (2012-10-03)
Supramolecular hydrogels were prepared in the mixtures of a chiral amphiphilic lithocholic acid (LCA) and a nonionic surfactant, dodecyldimethylamine oxide (C(12)DMAO), in water. With the addition of LCA to C(12)DMAO micellar solutions, a transition from micelles to gels occurs at
Namrata Singh et al.
Journal of cellular physiology, 232(3), 596-609 (2016-10-21)
Microorganisms express a variety of proteases that degrade many proteins of the host body and subvert host immune response. While elucidating the mechanism/s of an immune stimulatory drug that contains bile lipid, regulation of proteolytic activity was investigated. The drug
Morgane Modoux et al.
Gut microbes, 14(1), 2105637-2105637 (2022-07-28)
Aryl hydrocarbon receptor (AhR) is a critical player in the crosstalk between the gut microbiota and its host. However, factors regulating AhR within the gut, which is a complex metabolomic environment, are poorly understood. This study investigates the effect of
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
Alan F Hofmann
Drug metabolism reviews, 36(3-4), 703-722 (2004-11-24)
Lithocholic acid, a monohydroxy, secondary bile acid, is formed by bacterial 7-dehydroxylation of the primary bile acid chenodeoxycholic acid (CDCA) and of the secondary bile acid ursodeoxycholic acid (UDCA). Lithocholic acid and its precursor CDCA are toxic when fed to
D Epstein et al.
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 102(6), 522-524 (2012-06-07)
Intestinal tuberculosis occurs mainly in the terminal ileum and caecum, where the concentration of bile acids is lowest, and rarely in the upper digestive tract. We examined the effect of physiological concentrations of bile acids on the in vitro growth
Isabel Veloso Alves Pereira et al.
PloS one, 10(2), e0117152-e0117152 (2015-02-04)
The sodium-taurocholate cotransporting polypeptide (NTCP) is both a key bile acid (BA) transporter mediating uptake of BA into hepatocytes and an essential receptor for hepatitis B virus (HBV) and hepatitis D virus (HDV). In this study we aimed to characterize
Marine Baptissart et al.
Hepatology (Baltimore, Md.), 60(3), 1054-1065 (2014-05-07)
Bile acids (BAs) are signaling molecules that are involved in many physiological functions, such as glucose and energy metabolism. These effects are mediated through activation of the nuclear and membrane receptors, farnesoid X receptor (FXR-α) and TGR5 (G-protein-coupled bile acid
Qin Lu et al.
Journal of colloid and interface science, 454, 97-104 (2015-05-26)
Organic nanotubes form in aqueous solution near physiological pH by self-assembly of lithocholic acid (LCA) with inner diameters of 20-40nm. The encapsulation of enhanced green fluorescent protein (eGFP) and resultant confinement effect for eGFP within these nanotubes is studied via
Farzad Alemi et al.
Gastroenterology, 144(1), 145-154 (2012-10-09)
Abnormal delivery of bile acids (BAs) to the colon as a result of disease or therapy causes constipation or diarrhea by unknown mechanisms. The G protein-coupled BA receptor TGR5 (or GPBAR1) is expressed by enteric neurons and endocrine cells, which
Tsutomu Matsubara et al.
Journal of lipid research, 53(12), 2698-2707 (2012-10-05)
Transforming growth factor-β (TGFβ) is activated as a result of liver injury, such as cholestasis. However, its influence on endogenous metabolism is not known. This study demonstrated that TGFβ regulates hepatic phospholipid and bile acid homeostasis through MAD homolog 3
Haiqiao Wang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(34), 12194-12201 (2015-07-17)
The gelation behavior of lithocholate (LC(-) ) with different metal ions in water was investigated. The microstructures of hydrogels were determined to be three-dimensional (3D) networks of fibrous aggregates. The formation of fibrils was speculated to be mainly driven by
Valeria Tripodi et al.
Annals of hepatology, 11(6), 930-934 (2012-11-01)
Cholestasis leads to liver cell death, fibrosis, cirrhosis, and eventually liver failure. Bile duct ligated rats constitute an interesting model to study the mechanism of cholestasis, and its action on several organs and tissues, including the brain. To analyze brain
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
José João Carvalho et al.
In vivo (Athens, Greece), 26(1), 63-69 (2012-01-03)
A non-invasive method to monitor the humoral immune response in mice after immunization is described. From fecal pellets of an individual mouse, a sufficient amount of active immunoglobulins or their fragments can be extracted to perform a regular examination of
Yu-Guang Wang et al.
Chemico-biological interactions, 200(1), 11-20 (2012-09-18)
Licorice (LE) has been commonly used in traditional Chinese medicine (TCM) for over 4000 years to reconcile various drugs and for hepatic disorders. Glycyrrhizin is the main bioactive component isolated from LE herbs. In the present study we examined the
Crosstalk between the hepatologist and the cardiologist: a future place for the lithocholic acid as a coronary atheroma risk factor?
Henri Duboc et al.
Hepatology (Baltimore, Md.), 56(6), 2426-2426 (2012-05-19)
Simon M Vogel et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(42), 16906-16910 (2012-10-05)
The proteins MDM2 and MDM4 are key negative regulators of the tumor suppressor protein p53, which are frequently upregulated in cancer cells. They inhibit the transactivation activity of p53 by binding separately or in concert to its transactivation domain. MDM2
Yunjing Zhang et al.
British journal of pharmacology, 176(16), 2848-2863 (2019-05-12)
Ursodeoxycholic acid (UDCA) is the first-line treatment for primary biliary cholangitis, but its effects on the enterohepatic circulation of bile acid (BA) have been under-investigated. Therefore, we studied the influence of UDCA on BA enterohepatic circulation in vivo and the
Jeffrey R Maslanka et al.
Gut microbes, 12(1), 1-15 (2020-12-12)
Clostridioides difficile is an enteric bacterial pathogen that can a cause nosocomial infection leading to debilitating colitis. The development of a murine model of C. difficile infection has led to fundamental discoveries in disease pathogenesis and the host immune response
Susan A Joyce et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(20), 7421-7426 (2014-05-07)
Alterations in the gastrointestinal microbiota have been implicated in obesity in mice and humans, but the key microbial functions influencing host energy metabolism and adiposity remain to be determined. Despite an increased understanding of the genetic content of the gastrointestinal
Matteo Incerti et al.
Journal of medicinal chemistry, 56(7), 2936-2947 (2013-03-16)
The Eph receptor-ephrin system is an emerging target for the development of novel antiangiogenetic agents. We recently identified lithocholic acid (LCA) as a small molecule able to block EphA2-dependent signals in cancer cells, suggesting that its (5β)-cholan-24-oic acid scaffold can
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