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Emiko Shinozawa, Yuichiro Amano, Hiroko Yamakawa, Megumi Haba, Mitsuyuki Shimada, Ryuichi Tozawa
We attempted to clarify the therapeutic capability of antagonists of the farnesoid X receptor (FXR), a nuclear receptor that regulates lipid and bile acid metabolism. Herein, we report the antidyslipidemic effects of a novel synthesized FXR antagonist, compound-T1, utilizing a dyslipidemic hamster model. Compound-T1 selectively inhibited chenodeoxycholic acid-induced FXR activation (IC50 , 2.1 nmol·L-1 ). A hamster model of diet-induced hyperlipidemia was prepared to investigate the antidyslipidemic effects of compound-T1 through comparative studies of the nonstatin lipid-modulating agents ezetimibe, cholestyramine, and torcetrapib...
April 2018: Pharmacology Research & Perspectives
Lin Lei, Jingnan Chen, Yuwei Liu, Lijun Wang, Guohua Zhao, Zhen-Yu Chen
Rice bran oil (RBO) possesses a plasma cholesterol-lowering activity, while effect of wheat bran oil (WBO) on plasma cholesterol remains unknown. The present study compared the cholesterol-lowering activity of WBO with that of RBO in hamsters. Fifty-four male hamsters were divided into seven groups fed either a noncholesterol diet (NCD) or one of six high-cholesterol diets, namely HCD diet (0.2% cholesterol +9.5% lard), HCD+C diet (0.2% cholesterol +9.5% lard +0.5% cholestyramine), WL diet (0.2% cholesterol +4...
March 9, 2018: Journal of Agricultural and Food Chemistry
Y Tanko, A Kabiru, A Abdulrasak, K A Mohammed, A I Salisu, A Jimoh, N M Gidado, N M Sada
This research was aimed at investigating the Effects of Fermented Ginger Rhizome (Zingiber officinale) and Fenu Greek (Trigonella foenum-graceum) on Oxidative stress and Lipid Peroxidation Biomarkers in Poloxamer 407Induced-Hyperlipidemic Wistar Rats. Hyperlipidaemia was induced with poloxamer P407 (1.5 g/kg   b.w. i.p.) The Animals were grouped into six of five animals each group. Group 1 normal control, Group 2 served as the hyperlipidemic control, Group 3 administered 0.26 g/kg cholestyramine, Group 4 fed on Fenugreek 25% supplement...
December 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
Namrata Setia, Lindsay Alpert, Kimberley Wj van der Sloot, Dora Colussi, Kathleen O Stewart, Joseph Misdraji, Hamed Khalili, Gregory Y Lauwers
While the presence of intraepithelial lymphocytosis with surface epithelial damage is a unifying feature of lymphocytic colitis, there are non-classical features that create morphologic heterogeneity between cases. Limited data are available on the significance of these secondary histologic features. Cases of lymphocytic colitis diagnosed between 2002 and 2013 were identified using the Research Patient Data Registry of a tertiary referral center. Diagnostic biopsy slides were reviewed and evaluated for histologic features of lymphocytic colitis...
February 13, 2018: Human Pathology
Heiko S Schadt, Armin Wolf, Joerg Andreas Mahl, Kuno Wuersch, Philippe Couttet, Marianne Schwald, Audrey Fischer, Mathilde Lienard, Corinne Emotte, Chi-Hse Teng, Elizabeth Skuba, Terrilyn A Richardson, Luigi Manenti, Andreas Weiss, Diana Graus Porta, Robin A Fairhurst, Gerd A Kullak-Ublick, Salah-Dine Chibout, Francois Pognan, William Kluwe, Jacqueline Kinyamu-Akunda
The FGF19-FGFR4-βKlotho (KLB) pathway plays an important role in the regulation of bile acid (BA) homeostasis. Aberrant activation of this pathway has been described in the development and progression of a subset of liver cancers including hepatocellular carcinoma (HCC), establishing FGFR4 as an attractive therapeutic target for such solid tumors. FGF401 is a highly selective FGFR4 kinase inhibitor being developed for HCC, currently in Phase I/II clinical studies. In preclinical studies in mice and dogs, oral administration of FGF401 led to induction of Cyp7a1, elevation of its peripheral marker 7alpha-hydroxy-4-cholesten-3-one (C4), increased BA pool size, decreased serum cholesterol and diarrhea in dogs...
February 8, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
Lijun Wang, Hanyue Zhu, Yimin Zhao, Rui Jiao, Lin Lei, Jingnan Chen, Xiaobo Wang, Zhengnan Zhang, Yu Huang, Tiejie Wang, Zhen-Yu Chen
BACKGROUND: Interest in using herbal medicines to treat the hypercholesterolemia is increasing. Cranberry extract could decrease plasma cholesterol, however, the active ingredients and the underlying mechanisms remain largely unknown. HYPOTHESIS: The present study was to test the hypothesis that cranberry anthocyanins (CrA) were at least one of the active ingredients responsible for the cholesterol-lowering activity of cranberry fruits via a mechanism of increasing fecal sterol excretion...
January 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Xiaoying Liu, Grace L Guo, Bo Kong, David B Hilburn, Susan C Hubchak, Seong Park, Brian LeCuyer, Antony Hsieh, Li Wang, Deyu Fang, Richard M Green
Bile acids are endogenous ligands of the nuclear receptor farnesoid X receptor (FXR), and pharmacologic FXR modulators are under development for the treatment of several liver disorders. The inositol-requiring enzyme 1α/X-box binding protein 1 (IRE1α/XBP1) pathway of the unfolded protein response (UPR) is a protective cellular signaling pathway activated in response to endoplasmic reticulum stress. We investigated the role of FXR signaling in the activation of the hepatic XBP1 pathway. Mice were treated with deoxycholic acid (DCA), cholestyramine, GW4064 or underwent bile duct ligation (BDL) and the hepatic UPR activation was measured...
January 29, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Kaitlin Gibler Whaley
No abstract text is available yet for this article.
November 2017: Journal of Pediatrics
Tahir S Kafil, Tran M Nguyen, Petrease H Patton, John K MacDonald, Nilesh Chande, John Wd McDonald
BACKGROUND: Collagenous colitis is a cause of chronic diarrhea. This updated review was performed to identify therapies for collagenous colitis that have been assessed in randomized controlled trials (RCTs). OBJECTIVES: The primary objective was to assess the benefits and harms of treatments for collagenous colitis. SEARCH METHODS: We searched CENTRAL, the Cochrane IBD Group Specialized Register, MEDLINE and EMBASE from inception to 7 November 2016...
November 11, 2017: Cochrane Database of Systematic Reviews
Soobin Yoon, Junsun Yu, Andrea McDowell, Sung Ho Kim, Hyun Ju You, GwangPyo Ko
Clostridium difficile infection (CDI) is one of the most common nosocomial infections. Dysbiosis of the gut microbiota due to consumption of antibiotics is a major contributor to CDI. Recently, fecal microbiota transplantation (FMT) has been applied to treat CDI. However, FMT has important limitations including uncontrolled exposure to pathogens and standardization issues. Therefore, it is necessary to evaluate alternative treatment methods, such as bacteriotherapy, as well as the mechanism through which beneficial bacteria inhibit the growth of C...
November 2017: Journal of Microbiology / the Microbiological Society of Korea
Derrick Robertson, Crystal Dixon, Angela Aungst, Bradlee McCoy, Natalie Moreo, Lise Casady, Janice Maldonado
BACKGROUND: Teriflunomide is an oral disease modifying therapy approved for the treatment of relapsing forms of multiple sclerosis. Teriflunomide' s pharmacokinetics (PK) contribute to its slow elimination, on average taking 6-8 months, though it can take up to 2 years in some instances. This slow elimination can become problematic in certain clinical situations - such as during pregnancy, when teriflunomide has potential teratogenic effects. In such scenarios, an accelerated elimination procedure (AEP) is recommended...
December 2017: Expert Review of Clinical Pharmacology
Rudolf E Stauber, Günter Fauler, Florian Rainer, Bettina Leber, Andreas Posch, Andrea Streit, Walter Spindelboeck, Vanessa Stadlbauer, Harald H Kessler, Harald Mangge
BACKGROUND: Direct acting antiviral (DAA)-based treatment with ombitasvir/paritaprevir/ritonavir ± dasabuvir (OBV/PTV/r ± DSV) is highly effective in HCV genotype 1 or 4 infection and well-tolerated with only few side effects. However, pruritus has been observed in several trials in up to 20% of patients and seems to be unique for this DAA combination. OBJECTIVES: The aim of this preliminary study was to investigate the effect of OBV/PTV/r ± DSV on bile acid levels and to correlate them to the emergence of pruritus during treatment...
November 2017: Wiener Klinische Wochenschrift
C Spitzweg, M Reincke, R Gärtner
Thyroid emergencies are rare life-threatening endocrine conditions resulting from either decompensated thyrotoxicosis (thyroid storm) or severe thyroid hormone deficiency (myxedema coma). Both conditions develop out of a long-standing undiagnosed or untreated hyper- or hypothyroidism, respectively, precipitated by an acute stress-associated event, such as infection, trauma, or surgery. Cardinal features of thyroid storm are myasthenia, cardiovascular symptoms, in particular tachycardia, as well as hyperthermia and central nervous system dysfunction...
October 2017: Der Internist
Colin L Knight, Shamil D Cooray, Jaideep Kulkarni, Michael Borschmann, Mark Kotowicz
A 51 year old man presented with sepsis in the setting of thioamide-induced agranulocytosis. Empiric broad-spectrum antibiotics was followed by directed narrow-spectrum antibiotics, and his neutrophil count recovered with support from granulocyte-colony stimulating factor (G-CSF) analogue transfusions. After a brief period of multi-modal therapy for nine days including potassium iodide (Lugol's iodine), cholestyramine, propanolol and lithium to temper his persisting hyperthyroidism, a total thyroidectomy was performed while thyroid hormone levels remained at thyrotoxic levels...
2017: Endocrinology, Diabetes & Metabolism Case Reports
P B Benil, R Lekshmi, N Viswanathan, E Jollykutty, R Rajakrishnan, J Thomas, A H Alfarhan
Coronary Artery Disease (CAD) is a major killer disease throughout the world. Dyslipidemia is a major contributor to the risk of CAD. Several dietary articles traditionally used in India and other South Asian countries reduced dyslipidemia. The present study was undertaken to evaluate the combined effect of Mung bean (Vigna radiata) and Elephant foot yam (Amorphophallus paeoniifolius) on serum lipids and atherogenic indices in albino rats and to compare it with a standard drug Cholestyramine. Thirty healthy albino rats of both sexes (150-200 g) were randomized to 5 groups of 6 animals each...
September 2017: Saudi Journal of Biological Sciences
Daiana Ibarretxe, Joan Pellejà, Nicolau Ortiz, Luis Masana
We report the case of a patient treated at the lipid clinic because of high cholesterol levels with consistently elevated creatine kinase concentrations that precluded statin treatment. Electromyography showed a rippling muscle disease pattern. A muscle biopsy confirmed caveolin 3 deficiency, and a missense mutation in the CAV3 gene was identified. The patient could be properly managed with ezetimibe and cholestyramine, which reduced the low-density lipoprotein cholesterol by 30%. He remains asymptomatic after 10 years of follow-up...
September 2017: Journal of Clinical Lipidology
Matthew McMillin, Gabriel Frampton, Stephanie Grant, Shamyal Khan, Juan Diocares, Anca Petrescu, Amy Wyatt, Jessica Kain, Brandi Jefferson, Sharon DeMorrow
Hepatic encephalopathy (HE) is a neuropsychiatric complication that occurs due to deteriorating hepatic function and this syndrome influences patient quality of life, clinical management strategies and survival. During acute liver failure, circulating bile acids increase due to a disruption of the enterohepatic circulation. We previously identified that bile acid-mediated signaling occurs in the brain during HE and contributes to cognitive impairment. However, the influences of bile acids and their downstream signaling pathways on HE-induced neuroinflammation have not been assessed...
2017: Frontiers in Cellular Neuroscience
Nilesh Chande, Noor Al Yatama, Tania Bhanji, Tran M Nguyen, John Wd McDonald, John K MacDonald
BACKGROUND: Lymphocytic colitis is a cause of chronic diarrhea. It is a subtype of microscopic colitis characterized by chronic, watery, non-bloody diarrhea and normal endoscopic and radiologic findings. The etiology of this disorder is unknown.Therapy is based mainly on case series and uncontrolled trials, or by extrapolation of data for treating collagenous colitis, a related disorder. This review is an update of a previously published Cochrane review. OBJECTIVES: To evaluate the efficacy and safety of treatments for clinically active lymphocytic colitis...
July 13, 2017: Cochrane Database of Systematic Reviews
Alpo Vuorio, Jaana Kuoppala, Petri T Kovanen, Steve E Humphries, Serena Tonstad, Albert Wiegman, Euridiki Drogari, Uma Ramaswami
BACKGROUND: Familial hypercholesterolemia is one of the most common inherited metabolic diseases and is an autosomal dominant disorder meaning heterozygotes, or carriers, are affected. Those who are homozygous have severe disease. The average worldwide prevalence of heterozygous familial hypercholesterolemia is at least 1 in 500, although recent genetic epidemiological data from Denmark and next generation sequencing data suggest the frequency may be closer to 1 in 250. Diagnosis of familial hypercholesterolemia in children is based on elevated total cholesterol and low-density lipoprotein cholesterol levels or DNA-based analysis, or both...
July 7, 2017: Cochrane Database of Systematic Reviews
Hardikkumar H Patel, Manoj Maniar, Chen Ren, Rutesh H Dave
Rigosertib is a novel anticancer drug in clinical development by Onconova therapeutics, Inc. Currently, it is in pivotal phase III clinical trials for myelodysplastic syndrome (MDS) patients. Chemically, it is a sodium salt of weak acid with low solubility in lower pH solutions. In the preliminary studies, it was found that rigosertib is unstable in acidic conditions and forms multiple degradation products. In this research, drug degradation kinetics of rigosertib were studied in acidic conditions. Rigosertib follows pseudo-first-order general acid catalysis reaction...
June 9, 2017: AAPS PharmSciTech
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