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https://www.readbyqxmd.com/read/28939077/genomic-characterization-of-tobacco-nut-chewing-hpv-negative-early-stage-tongue-tumors-identify-mmp10-asa-candidate-to-predict-metastases
#1
Pawan Upadhyay, Nilesh Gardi, Sanket Desai, Pratik Chandrani, Asim Joshi, Bhaskar Dharavath, Priyanca Arora, Munita Bal, Sudhir Nair, Amit Dutt
OBJECTIVES: Nodal metastases status among early stage tongue squamous cell cancer patients plays a decisive role in the choice of treatment, wherein about 70% patients can be spared from surgery with an accurate prediction of negative pathological lymph node status. This underscores an unmet need for prognostic biomarkers to stratify the patients who are likely to develop metastases. MATERIALS AND METHODS: We performed high throughput sequencing of fifty four samples derived from HPV negative early stage tongue cancer patients habitual of chewing betel nuts, areca nuts, lime or tobacco using whole exome (n=47) and transcriptome (n=17) sequencing that were analyzed using in-house computational tools...
October 2017: Oral Oncology
https://www.readbyqxmd.com/read/28938478/roux-en-y-gastric-bypass-surgery-has-unique-effects-on-postprandial-fgf21-but-not-fgf19-secretion
#2
Lydia-Ann L S Harris, Gordon I Smith, Bettina Mittendorfer, J Christopher Eagon, Adewole L Okunade, Bruce W Patterson, Samuel Klein
Context: Fibroblast growth factors (FGF) 19 and FGF21 are secreted by the intestine and liver in response to macronutrient intake. Intestinal resection and reconstruction via bariatric surgery may alter their regulation. Objective: We tested the hypothesis that weight loss induced by Roux-en-Y gastric bypass (RYGB) surgery, but not matched weight loss induced by laparoscopic adjustable gastric banding (LAGB), increases postprandial plasma FGF19 and FGF21 concentrations...
August 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938455/bile-acid-alterations-are-associated-with-insulin-resistance-but-not-with-nash-in-obese-subjects
#3
Vanessa Legry, Sven Francque, Joel T Haas, An Verrijken, Sandrine Caron, Oscar Chávez-Talavera, Emmanuelle Vallez, Luisa Vonghia, Eveline Dirinck, Ann Verhaegen, Mostafa Kouach, Sophie Lestavel, Philippe Lefebvre, Luc Van Gaal, Anne Tailleux, Réjane Paumelle, Bart Staels
Context: Bile acids (BA) are signalling molecules controlling energy homeostasis which can be both toxic and protective for the liver. BA alterations have been reported in obesity, insulin resistance (IR) and non-alcoholic steatohepatitis (NASH). However whether BA alterations contribute to NASH independently of the metabolic status is unclear. Objective: To assess BA alterations associated with NASH independently of BMI and IR. Design & Setting: Patients visiting the obesity clinic of the Antwerp University Hospital (a tertiary referral facility) were recruited from 2006 to 2014...
August 4, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28906590/fgf19-genetic-amplification-as-a-potential-therapeutic-target-in-lung-squamous-cell-carcinomas
#4
Xiaochen Zhang, Mei Kong, Zhen Zhang, Suzhen Xu, Feifei Yan, Liyuan Wei, Jianying Zhou
BACKGROUND: Although FGF19 gene aberrations are associated with carcinogenesis and progression in human cancers, the roles of FGF19 genetic amplification and expression in Chinese patients with lung squamous cell carcinoma (LSCC) and FGF19 amplification as a potential therapeutic target for LSCC are not well understood. METHODS: Fluorescence in situ hybridization analysis and quantitative real-time-PCR was used to detect FGF19 genetic amplification and FGF19 messenger RNA expression in LSCC tumor and paired adjacent samples...
September 14, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28894048/the-role-of-bile-acids-in-the-pathogenesis-of-bowel-diseases
#5
Magdalena Panek-Jeziorna, Agata Mulak
Bile acids not only play a cardinal role in the digestion and absorption of fat and fat-soluble vitamins, but also significantly affect gastrointestinal motor, sensory and secretory functions, intestinal barrier permeability and the regulation of the inflammatory response. The results of recent studies have revealed complex interactions between bile acids and the gut microbiota. In addition, bile acids also play a role of signaling molecules regulating the activity of lipid and glucose metabolic pathways, as well as a role of ligands for transcription factors...
August 24, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28865148/chronic-elevation-of-plasma-fgf19-in-long-term-fxr-agonist-therapy-a-happy-marriage-or-cause-for-oncologic-concern
#6
Frank G Schaap, Peter L M Jansen, Steven W M Olde Damink
No abstract text is available yet for this article.
September 2, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28774887/suppressed-hepatic-bile-acid-signalling-despite-elevated-production-of-primary-and-secondary-bile-acids-in-nafld
#7
Na Jiao, Susan S Baker, Adrian Chapa-Rodriguez, Wensheng Liu, Colleen A Nugent, Maria Tsompana, Lucy Mastrandrea, Michael J Buck, Robert D Baker, Robert J Genco, Ruixin Zhu, Lixin Zhu
OBJECTIVE: Bile acids are regulators of lipid and glucose metabolism, and modulate inflammation in the liver and other tissues. Primary bile acids such as cholic acid and chenodeoxycholic acid (CDCA) are produced in the liver, and converted into secondary bile acids such as deoxycholic acid (DCA) and lithocholic acid by gut microbiota. Here we investigated the possible roles of bile acids in non-alcoholic fatty liver disease (NAFLD) pathogenesis and the impact of the gut microbiome on bile acid signalling in NAFLD...
August 3, 2017: Gut
https://www.readbyqxmd.com/read/28768168/what-s-so-special-about-fgf19-unique-effects-reported-on-skeletal-muscle-mass-and-function
#8
David J Glass
In a recent study published in Nature Medicine, Benoit et al. (2017) reported unique effects of FGF19 on mouse skeletal muscle: FGF19 induced skeletal muscle hypertrophy and blocked muscle atrophy, acting via FGF receptors and ßKlotho, while a related FGF21 hormone was ineffective.
August 1, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28746779/hepatic-farnesoid-x-receptor-protein-level-and-circulating-fibroblast-growth-factor-19-concentration-in-children-with-nafld
#9
Valerio Nobili, Anna Alisi, Antonella Mosca, Claudia Della Corte, Silvio Veraldi, Rita De Vito, Cristiano De Stefanis, Valentina D'Oria, Joerg Jahnel, Evelyn Zohrer, Eleonora Scorletti, Christopher D Byrne
BACKGROUND & AIMS: Treatment with the farnesoid X receptor (FXR) agonist obeticholic acid is ineffective in some patients with non-alcoholic steatohepatitis (NASH) but the explanation is uncertain. We investigated hepatic FXR expression, and measurements of fibroblast growth factor 19 (FGF19) and bile acids (BAs) in children with NAFLD to investigate relationships with NASH. METHODS: 33 children with NAFLD who underwent diagnostic liver biopsy were studied. Hepatic FXR protein levels and circulating FGF19 concentrations were compared with those analysed in five control subjects with proven normal liver histology...
July 26, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28729723/muscle-disorders-fgf19-reduces-muscle-wasting
#10
Megan Cully
No abstract text is available yet for this article.
August 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28729691/lowered-fasting-chenodeoxycholic-acid-correlated-with-the-decrease-of-fibroblast-growth-factor-19-in-chinese-subjects-with-impaired-fasting-glucose
#11
Jing Zhang, Huating Li, Hu Zhou, Li Fang, Jingjing Xu, Han Yan, Shuqin Chen, Qianqian Song, Yinan Zhang, Aimin Xu, Qichen Fang, Yang Ye, Weiping Jia
The gut-derived hormone Fibroblast growth factor 19 (FGF19) could regulate glucose metabolism and is induced by bile acids (BAs) through activating Farnesoid X Receptor (FXR). FGF19 was found to decrease in subjects with isolated-impaired fasting glucose (I-IFG) and type 2 diabetes mellitus (T2DM). However, the reason for the change of FGF19 in subjects with different glucometabolic status remained unclear. Here we measured six BAs including chenodeoxycholic acid (CDCA), cholic acid, deoxycholic acid, their glycine conjugates and FGF19 levels during oral glucose tolerance test (OGTT) in normal glucose tolerance (NGT), isolated-impaired glucose tolerance, I-IFG, combined glucose intolerance (CGI) and T2DM subjects...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28691284/performance-characteristics-of-serum-c4-and-fgf19-measurements-to-exclude-the-diagnosis-of-bile-acid-diarrhoea-in-ibs-diarrhoea-and-functional-diarrhoea
#12
P Vijayvargiya, M Camilleri, P Carlson, A Lueke, J O'Neill, D Burton, I Busciglio, L Donato
BACKGROUND: The serum biomarkers, elevated 7αC4 (C4) and decreased FGF19, have been proposed as screening tests for bile acid diarrhoea. AIM: To analyse prevalence, specificity and reproducibility of fasting C4 and FGF19 in identifying bile acid diarrhoea in patients with irritable bowel syndrome with predominant diarrhoea or functional diarrhoea (summarised as IBS-D). METHODS: We prospectively studied fasting serum C4 and FGF19 in 101 IBS-D patients; we reviewed data from 37 of the 101 patients with prior fasting serum C4 and FGF19 and from 30 of the 101 patients with prior faecal bile acids per 48 hours...
September 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28667746/integrated-gut-liver-microphysiological-systems-elucidates-inflammatory-inter-tissue-crosstalk
#13
Wen L K Chen, Collin Edington, Emily Suter, Jiajie Yu, Jeremy J Velazquez, Jason G Velazquez, Michael Shockley, Emma M Large, Raman Venkataramanan, David J Hughes, Cynthia L Stokes, David L Trumper, Rebecca L Carrier, Murat Cirit, Linda G Griffith, Douglas A Lauffenburger
A capability for analyzing complex cellular communication among tissues is important in drug discovery and development, and in vitro technologies for doing so are required for human applications. A prominent instance is communication between the gut and the liver, whereby perturbations of one tissue can influence behavior of the other. Here, we present a study on human gut-liver tissue interactions under normal and inflammatory contexts, via an integrative multi-organ platform comprising human liver (hepatocytes and Kupffer cells), and intestinal (enterocytes, goblet cells, and dendritic cells) models...
July 1, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28666948/bile-acid-deficiency-in-a-subgroup-of-patients-with-irritable-bowel-syndrome-with-constipation-based-on-biomarkers-in-serum-and-fecal-samples
#14
Priya Vijayvargiya, Irene Busciglio, Duane Burton, Leslie Donato, Alan Lueke, Michael Camilleri
BACKGROUND & AIMS: Short-term administration of delayed-release chenodeoxycholic acid to patients with irritable bowel syndrome with constipation (IBS-C) accelerates colonic transit and reduces symptoms. A preliminary study has shown that patients with IBS-C have reduced levels of bile acids (BAs) in feces and reduced synthesis of BA. We compared the levels of primary and secondary BAs in fecal samples collected over a 48-hour period from patients with IBS-C on a diet that contained 100 g fat per day, and compared them with levels in samples from healthy volunteers (controls)...
June 27, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28664920/fgf1-a-new-weapon-to-control-type-2-diabetes-mellitus
#15
REVIEW
Emanuel Gasser, Christopher P Moutos, Michael Downes, Ronald M Evans
A hypercaloric diet combined with a sedentary lifestyle is a major risk factor for the development of insulin resistance, type 2 diabetes mellitus (T2DM) and associated comorbidities. Standard treatment for T2DM begins with lifestyle modification, and includes oral medications and insulin therapy to compensate for progressive β-cell failure. However, current pharmaceutical options for T2DM are limited in that they do not maintain stable, durable glucose control without the need for treatment intensification...
October 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28650457/fibroblast-growth-factor-19-regulates-skeletal-muscle-mass-and-ameliorates-muscle-wasting-in-mice
#16
Bérengère Benoit, Emmanuelle Meugnier, Martina Castelli, Stéphanie Chanon, Aurélie Vieille-Marchiset, Christine Durand, Nadia Bendridi, Sandra Pesenti, Pierre-Axel Monternier, Anne-Cécile Durieux, Damien Freyssenet, Jennifer Rieusset, Etienne Lefai, Hubert Vidal, Jérôme Ruzzin
The endocrine-derived hormone fibroblast growth factor (FGF) 19 has recently emerged as a potential target for treating metabolic disease. Given that skeletal muscle is a key metabolic organ, we explored the role of FGF19 in that tissue. Here we report a novel function of FGF19 in regulating skeletal muscle mass through enlargement of muscle fiber size, and in protecting muscle from atrophy. Treatment with FGF19 causes skeletal muscle hypertrophy in mice, while physiological and pharmacological doses of FGF19 substantially increase the size of human myotubes in vitro...
August 2017: Nature Medicine
https://www.readbyqxmd.com/read/28591793/dynamics-of-bile-acid-profiles-glp-1-and-fgf19-after-laparoscopic-gastric-banding
#17
Veronika Thöni, Alexandra Pfister, Andreas Melmer, Barbara Enrich, Karin Salzmann, Susanne Kaser, Claudia Lamina, Christoph F Ebenbichler, Hubert Hackl, Herbert Tilg, Alexander R Moschen
Context: An increase of bile acids (BAs), fibroblast growth factor 19 (FGF19), and glucagon-like peptide 1 (GLP-1) has been implicated in metabolic improvements after Roux-en-Y gastric bypass and vertical sleeve gastrectomy. However, data are still conflicting regarding their role after laparoscopic adjustable gastric banding (LAGB). Objective: To assess the fasting BA, FGF19, and GLP-1 concentrations in plasma before and after LAGB and to test for correlations with immunometabolic parameters...
August 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28589584/editorial-developing-a-stimulation-test-to-identify-fgf19-deficiency-in-bile-acid-diarrhoea
#18
EDITORIAL
J R F Walters
No abstract text is available yet for this article.
July 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28570655/circulating-fgf19-closely-correlates-with-bile-acid-synthesis-and-cholestasis-in-patients-with-primary-biliary-cirrhosis
#19
Zhanyi Li, Bingliang Lin, Guoli Lin, Yuankai Wu, Yusheng Jie, Xiangyong Li, Brian Ko, Yutian Chong, Jian Luo
BACKGROUND AND AIM: Bile acid (BA) synthesis in the liver is regulated by Fibroblast Growth Factor 19 (FGF19) secreted from the ileum as an enterohepatic feedback mechanism. Although FGF19 mRNA is absent in normal liver, FGF19 gene expression was reported to increase in response to both extrahepatic and intrahepatic cholestasis. The impact of upregulated FGF19 expression on BA synthesis is unclear and the overall role of circulating FGF19 and BA synthesis under cholestatic conditions needs to be further investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28532995/histological-subtypes-of-hepatocellular-carcinoma-are-related-to-gene-mutations-and-molecular-tumour-classification
#20
Julien Calderaro, Gabrielle Couchy, Sandrine Imbeaud, Giuliana Amaddeo, Eric Letouzé, Jean-Frédéric Blanc, Christophe Laurent, Yacine Hajji, Daniel Azoulay, Paulette Bioulac-Sage, Jean-Charles Nault, Jessica Zucman-Rossi
BACKGROUND & AIMS: Our increasing understanding of hepatocellular carcinoma (HCC) biology holds promise for personalized care, however its translation into clinical practice requires a precise knowledge of its relationship to tumour phenotype. METHODS: We aimed at investigating molecular-phenotypic correlations in a large series of HCC. To this purpose, 343 surgically resected HCC samples were investigated by pathological review, immunohistochemistry, gene expression profiling and sequencing...
May 19, 2017: Journal of Hepatology
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