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Masato Yamadera, Hideki Ueno, Hirotoshi Kobayashi, Tsuyoshi Konishi, Fumio Ishida, Tatsuro Yamaguchi, Takao Hinoi, Yasuhiro Inoue, Yukihide Kanemitsu, Naohiro Tomita, Hideyuki Ishida, Kenichi Sugihara
PURPOSE: We conducted this study to clarify the current clinical practice of prophylactic colectomy for patients with familial adenomatous polyposis (FAP) in Japan. METHODS: This retrospective multi-center cohort study involved 23 specialized institutions for colorectal disease in Japan. We analyzed the records of 147 patients who underwent prophylactic surgical treatment between 2000 and 2012. Patients were divided into Group 1 (2000-2006) and Group 2 (2007-2012) based on their date of surgery...
October 21, 2016: Surgery Today
Yong-Sik Bong, Shahin Assefnia, Therese Tuohy, Deborah W Neklason, Randall W Burt, Jaeil Ahn, Hao-Wen J Jiang, Stephen W Byers
Vitamin D is implicated in the etiology of cancers of the gastrointestinal tract, usually characterized by alteration in the APC/β-catenin/TCF tumor suppressor pathway. The vitamin D receptor (VDR) is also implicated in cardiovascular and skin diseases as well as in immunity. Activated VDR can indirectly alter β-catenin nuclear localization and directly suppress β-catenin/TCF mediated transcriptional activity. We treated VDR null mice with the carcinogen azoxymethane (AOM) and generated mice bearing a mutated APC (hypomorph) on a VDR null background (Apc1638N/+Vdr-/-)...
October 19, 2016: Oncotarget
Wenzel M Hackeng, Elizabeth A Montgomery, Francis M Giardiello, Aatur D Singhi, Marija Debeljak, James R Eshleman, Michael Vieth, G Johan A Offerhaus, Laura D Wood, Lodewijk A A Brosens
BACKGROUND: Gastric pyloric gland adenomas (PGAs) are rare epithelial polyps that are more commonly found in autoimmune atrophic gastritis and familial adenomatous polyposis. Little is known about the morphology and genetics of PGAs in familial adenomatous polyposis. AIMS: PGAs in familial adenomatous polyposis are studied morphologically and genetically. Findings in FAP associated PGAs are compared to sporadic PGAs and related lesions such as oxyntic gland adenoma (OGA) to increase our understanding of these rare polyps...
October 21, 2016: Histopathology
Frank G J Kallenberg, Barbara A J Bastiaansen, Evelien Dekker
Background and study aims: Guidelines recommend surveillance endoscopy with both forward- and side-viewing endoscopes to identify duodenal and ampullary adenomas in patients with familial adenomatous polyposis (FAP). We hypothesized that both the duodenum and the ampulla of Vater can be completely visualized during cap-assisted forward-viewing endoscopy. Patients and methods: A total of 40 patients with FAP underwent forward-viewing endoscopy with a short cap attached to the tip of the gastroscope, with the aim of visualizing both the duodenum and the ampulla of Vater...
October 19, 2016: Endoscopy
Akihiko Hosoi, Yu Su, Masaharu Torikai, Hirofumi Jono, Daisuke Ishikawa, Kenji Soejima, Hirofumi Higuchi, Jianying Guo, Mitsuharu Ueda, Genki Suenaga, Hiroaki Motokawa, Tokunori Ikeda, Satoru Senju, Toshihiro Nakashima, Yukio Ando
Familial amyloidotic polyneuropathy (FAP) is a systemic amyloidosis mainly caused by amyloidogenic transthyretin (ATTR). This incurable disease causes death approximately 10 years after onset. Although it has been widely accepted that conformational change of the monomeric form of transthyretin (TTR) is very important for amyloid formation and deposition in the organs, no effective therapy targeting this step is available. In this study, we generated a mouse monoclonal antibody T24 which recognized the cryptic epitope of conformationally-changed TTR...
October 7, 2016: Journal of Biological Chemistry
Christopher Batchelor-McAuley, Christopher A Little, Stanislav V Sokolov, Enno Kätelhön, Giorgia Zampardi, Richard G Compton
The lipid soluble fluorophore Nile Red (9-diethylamino-5-benzo[α]phenoxazinone) is used to fluorescently and electrochemically label an organic-in-water emulsion, where the organic phase is an ionic liquid [P6,6,6,14][FAP]/toluene mixture. The optical detection of the individual droplets is enabled facilitating the in-situ tracking and sizing of the suspended particles (average diameter = 530 nm, interquartile range = 180 nm). Through the use of a combined thin-layer optical/electrochemical cell, the irreversible accumulation of the droplets at an optically opaque carbon fibre electrode (diameter ~ 7...
October 17, 2016: Analytical Chemistry
James W Varni, Robert J Shulman, Mariella M Self, Samuel Nurko, Miguel Saps, Shehzad A Saeed, Ashish S Patel, Chelsea Vaughan Dark, Cristiane B Bendo, John F Pohl
OBJECTIVES: To investigate the patient-reported multidimensional gastrointestinal symptoms predictors of generic health-related quality of life (HRQOL) in pediatric patients with functional gastrointestinal disorders (FGIDs). METHODS: The Pediatric Quality of Life Inventory™ (PedsQL™) Gastrointestinal Symptoms Scales and PedsQL™ 4.0 Generic Core Scales were completed in a 9-site study by 259 pediatric patients with functional constipation, functional abdominal pain (FAP), or irritable bowel syndrome (IBS)...
October 14, 2016: Quality of Life Research
Daniel Pliquett, Peter S Schulz, Frank W Heinemann, Angela Bause, Peter Wasserscheid
A series of silver tris(perfluoroethyl)trifluorophosphate (Ag[FAP]) complexes with various ligands (acetonitrile ACN, chloroacetonitrile Cl-ACN, acrylonitrile acryl-CN, pyridine py, ethylenediamine en and propene C3H6) have been synthesized starting from Ag[NO3] and K[FAP] using three different routes. Physicochemical properties as well as crystal structures ([Ag(ACN)2/4][FAP], [Ag(py)2][FAP]) were determined and the suitability of such Ag salts for propene/propane separation processes was investigated. The investigated silver complexes exhibit either low melting points or form liquid complexes when contacted with gaseous propene at 30 °C...
October 12, 2016: Physical Chemistry Chemical Physics: PCCP
Amir Mizbani, Edlira Luca, Elisabeth J Rushing, Jan Krützfeldt
MicroRNAs (miRNAs) are important regulators of skeletal muscle regeneration, but the underlying mechanisms are still incompletely understood. Here, comparative miRNA sequencing analysis of myogenic progenitor cells (MPs) and non-myogenic fibroblast-adipocyte progenitors (FAPs) during cardiotoxin (CTX)-induced muscle injury uncovered miR-501 as a novel muscle-specific miRNA. miR-501 is an intronic miRNA and its expression levels in MPs correlated with its host gene, chloride channel, voltage-sensitive 5, Clcn5 Pharmacological inhibition of miR-501 dramatically blunted the induction of embryonic myosin heavy chain (MYH3) and, to a lesser extent, adult myosin isoforms during muscle regeneration and promoted small-diameter neofibers...
October 5, 2016: Development
Furkan U Ertem, Wenqian Zhang, Kyle Chang, Wan Mohaiza Dashwood, Praveen Rajendran, Deqiang Sun, Ala Abudayyeh, Eduardo Vilar, Maen Abdelrahim, Roderick H Dashwood
Intervention strategies in familial adenomatous polyposis (FAP) patients and other high-risk colorectal cancer (CRC) populations have highlighted a critical need for endoscopy combined with safe and effective preventive agents. We performed transcriptome profiling of colorectal adenomas from FAP patients and the polyposis in rat colon (Pirc) preclinical model, and prioritized molecular targets for prevention studies in vivo. At clinically relevant doses in the Pirc model, the drug Clotam (tolfenamic acid, TA) was highly effective at suppressing tumorigenesis both in the colon and in the small intestine, when administered alone or in combination with Sulindac...
October 5, 2016: International Journal of Cancer. Journal International du Cancer
Monica Marabelli, Valeria Molinaro, Raefa Abou Khouzam, Enrico Berrino, Mara Panero, Antonella Balsamo, Tiziana Venesio, Guglielmina Nadia Ranzani
AIMS: Colorectal adenomatous polyposis entailing cancer predisposition is caused by constitutional mutations in different genes. APC is associated with the familial adenomatous polyposis (FAP/AFAP) and MUTYH with the MUTYH-associated polyposis (MAP), while POLE and POLD1 mutations cause the polymerase proofreading-associated polyposis (PPAP). METHODS: We screened for mutations in patients with multiple adenomas/FAP: 121 patients were analyzed for APC and MUTYH mutations, and 36 patients were also evaluated for POLE and POLD1 gene mutations...
October 5, 2016: Genetic Testing and Molecular Biomarkers
Genki Suenaga, Tokunori Ikeda, Yoshihiro Komohara, Koutaro Takamatsu, Tatsuyuki Kakuma, Masayoshi Tasaki, Yohei Misumi, Mitsuharu Ueda, Takaaki Ito, Satoru Senju, Yukio Ando
We hypothesized that tissue-resident macrophages in familial amyloid polyneuropathy (FAP) patients will exhibit qualitative or quantitative abnormalities, that may accelerate transthyretin (TTR)-derived amyloid deposition. To evaluate this, we examined the number and subset of tissue-resident macrophages in heart tissue from amyloid-deposited FAP and control patients. In both FAP and control patients, tissue-resident macrophages in heart tissue were all Iba+/CD163+/CD206+ macrophages. However, the number of macrophages was significantly decreased in FAP patients compared with control patients...
2016: PloS One
M Creuzé, P Afchain, A Munck, J Viala, A Bonnard, V Bertrand
Desmoid tumors (DT) are rare and nonmetastasizing fibroblastic neoplasms, characterized by local invasiveness. They occur sporadically or arise in the context of familial adenomatous polyposis (FAP; 5-10% of cases). Most cases develop sporadically in young adults, but some cases also occur in children. We report the case of an adolescent girl with FAP and DT, and we discuss the therapeutic strategies. An adolescent girl with FAP underwent surgery at the age of 14 years with total proctocolectomy. She had a neo-mutation in the APC gene at codon 1068, which is not usually associated with DT...
September 27, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
Miguel Angel Sánchez-Garrido, Kirk M Habegger, Christoffer Clemmensen, Cassie Holleman, Timo D Müller, Diego Perez-Tilve, Pengyun Li, Archita S Agrawal, Brian Finan, Daniel J Drucker, Matthias H Tschöp, Richard D DiMarchi, Alexei Kharitonenkov
OBJECTIVE: Fibroblast activation protein (FAP) is a serine protease belonging to a S9B prolyl oligopeptidase subfamily. This enzyme has been implicated in cancer development and recently reported to regulate degradation of FGF21, a potent metabolic hormone. Using a known FAP inhibitor, talabostat (TB), we explored the impact of FAP inhibition on metabolic regulation in mice. METHODS: To address this question we evaluated the pharmacology of TB in various mouse models including those deficient in FGF21, GLP1 and GIP signaling...
October 2016: Molecular Metabolism
Machteld C VanDierendonck, Johannes P A M van Loon
This study presents the validation of two recently described pain scales, the Equine Utrecht University Scale for Composite Pain Assessment (EQUUS-COMPASS) and the Equine Utrecht University Scale for Facial Assessment of Pain (EQUUS-FAP), in horses with acute colic. A follow-up cohort study of 46 adult horses (n = 23 with acute colic; n = 23 healthy control horses) was performed for validation and refinement of the constructed scales. Both pain scales showed statistically significant differences between horses with colic and healthy control horses, and between horses with colic that could be treated conservatively and those that required surgical treatment or were euthanased...
October 2016: Veterinary Journal
Taina T Nieminen, Walter Pavicic, Noora Porkka, Matti Kankainen, Heikki J Järvinen, Anna Lepistö, Päivi Peltomäki
Allele-specific expression (ASE) of the Adenomatous Polyposis Coli (APC) gene occurs in up to one-third of families with adenomatous polyposis (FAP) that have screened mutation-negative by conventional techniques. To advance our understanding of the genomic basis of this phenomenon, 54 APC mutation-negative families (21 with classical FAP and 33 with attenuated FAP, AFAP) were investigated. We focused on four families with validated ASE and scrutinized these families by sequencing of the blood transcriptomes (RNA-seq) and genomes (WGS)...
September 23, 2016: Oncotarget
Concetta Dodaro, Carlo Grifasi, Jole Florio, Michele L Santangelo, Francesca Duraturo, Marina De Rosa, Paola Izzo, Andrea Renda
BACKGROUND: A correlation between the location of mutation in the adenomatous polyposis coli (APC) gene and clinical manifestations of familial adenomatous polyposis (FAP) has repeatedly been reported. Some Authors suggest the use of mutational analysis as a guide to select the best surgical option in FAP patients. However, data coming from studies on large series have raised questions on this issue. The aim of this study is to discuss the role of the genetic tests in the management of FAP...
2016: Annali Italiani di Chirurgia
Liu-Xin Qu, Li-Yang Xing, Norman Wanda, Hong Chen, Ming-Ju Li, Song Gao, Ping Li
OBJECTIVE: To evaluate the clinical effect of traditional Chinese spinal orthopedic manipulation (TCSOM) in treating patients with functional abdominal pain syndrome (FAPS) in comparison with Pinaverium Bromide (Dicetel, PBD), and to assess a possible cause for FAPS. METHODS: Eighty patients with FAPS were randomly and equally assigned to the TCSOM group and PBD group according to the random number table. All patients in the TCSOM group were treated with a maximum of 5 times of spinal manipulations...
September 26, 2016: Chinese Journal of Integrative Medicine
Kranthi Kumar Gangu, Suresh Maddila, Surya Narayana Maddila, Sreekantha B Jonnalagadda
An investigation was conducted into the influence of the amino acids as organic modifiers in the facile synthesis of metal incorporated fluorapatites (FAp) and their properties. The nanostructured Sm doped fluorapatites (Sm-FAp) were prepared by a co-precipitation method using four different amino acids, namely glutamic acid, aspartic acid, glycine and histidine. The materials were characterized by various techniques including X-ray diffraction (XRD), Fourier transform infra-red spectroscopy (FT-IR), field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), high resolution transmission electron microscopy (HR-TEM), N₂-adsorption/desorption isotherm, temperature programmed desorption (TPD) and fluorescence spectrophotometry...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
D Adams, G Beaudonnet, C Adam, C Lacroix, M Théaudin, C Cauquil, C Labeyrie
Transthyretin familial amyloid polyneuropathy (FAP) is a rare disease with autosomal transmission due to point mutation of the transthyretin (TTR) gene. It is the most disabling hereditary neuropathy affecting sensory, motor and autonomic nerves, and is irreversible and fatal within 7 to 12 years of onset in the absence of therapy. Diagnosis is usually delayed for 1-5 years because the onset is usually insidious, and a positive family history is lacking in 50% of late-onset cases. Penetrance is variable, and depends of the age of the carrier and age of onset in family members...
October 2016: Revue Neurologique
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