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https://www.readbyqxmd.com/read/28816740/the-value-of-direct-immunofluorescence-on-proteinase-digested-formalin-fixed-paraffin-embedded-skin-biopsies
#1
Aida Valencia-Guerrero, April Deng, Karen Dresser, Gail Bouliane, Kristine M Cornejo
Direct immunofluorescence (DIF) on frozen tissue (DIF-F) is the method of choice for the identification of immune deposits present in skin and other tissues. DIF can also be performed on formalin-fixed paraffin-embedded tissue (DIF-P) after antigen retrieval with proteases and has proven to be of value in renal pathology. However, its utility in skin biopsies has not been fully examined. In this study, we performed DIF-P on 60 skin biopsies that comprised of bullous pemphigoid (n = 18), pemphigoid gestationis (n = 1), pemphigus (n = 7), linear IgA disease (n = 7), vasculitis (n = 20), lupus erythematosus (n = 3), and dermatitis herpetiformis (n = 4) cases...
August 9, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28815293/the-novel-preventive-effect-of-daikenchuto-tj-100-a-japanese-herbal-drug-against-neonatal-necrotizing-enterocolitis-in-rats
#2
Shin Shinyama, Tatsuru Kaji, Motoi Mukai, Kazuhiko Nakame, Hiroshi Matsufuji, Hideo Takamatsu, Satoshi Ieiri
PURPOSE: Necrotizing enterocolitis (NEC) is a devastating gastrointestinal disease of premature infants. Daikenchuto, a Japanese herbal drug, has several effects on the digestive system, so we investigated its preventive effects in a rat model of NEC. METHODS: NEC was induced in newborn rats via asphyxia (100% N2 for 90 s; every 4 h) + LPS (4 mg/kg/day [administered orally on days 0 and 1]). The effects of Daikenchuto were evaluated in four groups (control: 0 g/kg/day, I: 0...
August 16, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28814614/role-of-inactivity-in-chronic-diseases-evolutionary-insight-and-pathophysiological-mechanisms
#3
REVIEW
Frank W Booth, Christian K Roberts, John P Thyfault, Gregory N Ruegsegger, Ryan G Toedebusch
This review proposes that physical inactivity could be considered a behavior selected by evolution for resting, and also selected to be reinforcing in life-threatening situations in which exercise would be dangerous. Underlying the notion are human twin studies and animal selective breeding studies, both of which provide indirect evidence for the existence of genes for physical inactivity. Approximately 86% of the 325 million in the United States (U.S.) population achieve less than the U.S. Government and World Health Organization guidelines for daily physical activity for health...
October 1, 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28814218/diagnosis-and-management-of-pancreatic-exocrine-insufficiency
#4
Mehrdad Nikfarjam, Jeremy S Wilson, Ross C Smith
In 2015, the Australasian Pancreatic Club (APC) published the Australasian guidelines for the management of pancreatic exocrine insufficiency (http://pancreas.org.au/2016/01/pancreatic-exocrine-insufficiency-guidelines). Pancreatic exocrine insufficiency (PEI) occurs when normal digestion cannot be sustained due to insufficient pancreatic digestive enzyme activity. This may be related to a breakdown, at any point, in the pancreatic digestive chain: pancreatic stimulation; synthesis, release or transportation of pancreatic enzymes; or synchronisation of secretions to mix with ingested food...
August 21, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28811309/cellular-and-molecular-mechanisms-coordinating-pancreas-development
#5
REVIEW
Aimée Bastidas-Ponce, Katharina Scheibner, Heiko Lickert, Mostafa Bakhti
The pancreas is an endoderm-derived glandular organ that participates in the regulation of systemic glucose metabolism and food digestion through the function of its endocrine and exocrine compartments, respectively. While intensive research has explored the signaling pathways and transcriptional programs that govern pancreas development, much remains to be discovered regarding the cellular processes that orchestrate pancreas morphogenesis. Here, we discuss the developmental mechanisms and principles that are known to underlie pancreas development, from induction and lineage formation to morphogenesis and organogenesis...
August 15, 2017: Development
https://www.readbyqxmd.com/read/28810727/ndt-digest-rapid-revelations-in-renal-disease
#6
Kate Stevens, Denis Fouque
No abstract text is available yet for this article.
August 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28809840/a-novel-clinical-grade-isolation-method-for-human-kidney-perivascular-stromal-cells
#7
Daniëlle G Leuning, Ellen Lievers, Marlies E J Reinders, Cees van Kooten, Marten A Engelse, Ton J Rabelink
Mesenchymal Stromal Cells (MSCs) are tissue homeostatic and immune modulatory cells that have shown beneficial effects in kidney diseases and transplantation. Perivascular Stromal Cells (PSCs) share characteristics with bone marrow MSCs (bmMSCs). However, they also possess, most likely due to local imprinting, tissue-specific properties and play a role in local tissue homeostasis. This tissue specificity may result in tissue specific repair, also within the human kidney. We previously showed that human kidney PSCs (kPSCs) have enhanced kidney epithelial wound healing whereas bmMSCs did not have this potential...
August 7, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28809388/dramatic-increase-in-incidence-of-ulcerative-colitis-and-crohn-s-disease-1988-2011-a-population-based-study-of-french-adolescents
#8
Silvia Ghione, Hélène Sarter, Mathurin Fumery, Laura Armengol-Debeir, Guillaume Savoye, Delphine Ley, Claire Spyckerelle, Benjamin Pariente, Laurent Peyrin-Biroulet, Dominique Turck, Corinne Gower-Rousseau
OBJECTIVES: Few data are available to describe the changes in incidence of pediatric-onset inflammatory bowel disease (IBD). The aim of this study was to describe changes in incidence and phenotypic presentation of pediatric-onset IBD in northern France during a 24-year period. METHODS: Pediatric-onset IBD (<17 years) was issued from a population-based IBD study in France between 1988 and 2011. Age groups and digestive location were defined according to the Paris classification...
August 15, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28808993/multiplexed-liquid-chromatography-multiple-reaction-monitoring-mass-spectrometry-quantification-of-cancer-signaling-proteins
#9
Yi Chen, Kate J Fisher, Mark Lloyd, Elizabeth R Wood, Domenico Coppola, Erin Siegel, David Shibata, Yian A Chen, John M Koomen
Quantitative evaluation of protein expression across multiple cancer-related signaling pathways (e.g., Wnt/β-catenin, TGF-β, receptor tyrosine kinases (RTK), MAP kinases, NF-κB, and apoptosis) in tumor tissues may enable the development of a molecular profile for each individual tumor that can aid in the selection of appropriate targeted cancer therapies. Here, we describe the development of a broadly applicable protocol to develop and implement quantitative mass spectrometry assays using cell line models and frozen tissue specimens from colon cancer patients...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28808401/in-vitro-%C3%AE-amylase-and-%C3%AE-glucosidase-inhibitory-and-cytotoxic-activities-of-extracts-from-cissus-cornifolia-planch-parts
#10
Talent Chipiti, Mohammed Auwal Ibrahim, Moganavelli Singh, Md Shahidul Islam
CONTEXT: Hyperglycemia is the hallmark of type 2 diabetes mellitus, and its prevention will go a long way in managing the disease and its associated complications. Reduction of postprandial hyperglycemia through retarding carbohydrates digesting enzymes is one of the major therapeutic approaches used in the management of diabetes. OBJECTIVE: The aim of the present study was to investigate the antidiabetic and cytotoxic effects of Cissus cornifolia extracts in vitro...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28807841/racial-disparity-in-gastrointestinal-cancer-risk
#11
REVIEW
Hassan Ashktorab, Sonia S Kupfer, Hassan Brim, John M Carethers
Cancer from the gastrointestinal tract and its associated excretory organs will occur in over 300,000 Americans in 2017, with colorectal cancer responsible for over forty percent of that burden; there will be over 150,000 deaths from this group of cancers in the same time period. Disparities among subgroups related to these cancers' incidence and mortality exist. The epidemiology and risk factors associated with each cancer bear out differences for racial groups in the United States. Esophageal adenocarcinoma is more frequent in Non-Hispanic Whites, whereas esophageal squamous cell carcinoma with risk factors of tobacco and alcohol is more frequent among Blacks...
August 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28803893/the-companion-dog-as-a-unique-translation-model-for-aging
#12
REVIEW
Andrea Mazzatenta, Camillo Di Giulio, Domenico Robbe, Augusto Carluccio, Alessandro Cellerino
The dog is a unique species due to its wide variation among breeds in size, morphology, behavior and lifespan coupled with a genetic structure that facilitates the dissection of the genetic architecture controlling those traits. Dogs and humans coevolved and share recent evolutionary selection processes like, for example, adaptations to digest starch-rich diets. Many diseases of the dog have a human counterpart, notably Alzheimer's that is otherwise difficult to model in other organisms. Unlike laboratory animals, companion dogs share the human environment and lifestyle, are exposed to the same pollutants and are faced with pathogens and infections...
August 10, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28803840/development-and-validation-of-risk-equations-for-complications-of-type-2-diabetes-recode-using-individual-participant-data-from-randomised-trials
#13
Sanjay Basu, Jeremy B Sussman, Seth A Berkowitz, Rodney A Hayward, John S Yudkin
BACKGROUND: In view of substantial mis-estimation of risks of diabetes complications using existing equations, we sought to develop updated Risk Equations for Complications Of type 2 Diabetes (RECODe). METHODS: To develop and validate these risk equations, we used data from the Action to Control Cardiovascular Risk in Diabetes study (ACCORD, n=9635; 2001-09) and validated the equations for microvascular events using data from the Diabetes Prevention Program Outcomes Study (DPPOS, n=1018; 1996-2001), and for cardiovascular events using data from the Action for Health in Diabetes (Look AHEAD, n=4760; 2001-12)...
August 10, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28803409/comparative-16srdna-gene-based-microbiota-profiles-of-the-pacific-oyster-crassostrea-gigas-and-the-mediterranean-mussel-mytilus-galloprovincialis-from-a-shellfish-farm-ligurian-sea-italy
#14
Luigi Vezzulli, L Stagnaro, C Grande, G Tassistro, L Canesi, C Pruzzo
The pacific oyster Crassostrea gigas and the Mediterranean mussel Mytilus galloprovincialis are two widely farmed bivalve species which show contrasting behaviour in relation to microbial diseases, with C. gigas being more susceptible and M. galloprovincialis being generally resistant. In a recent study, we showed that different susceptibility to infection exhibited by these two bivalve species may depend on their different capability to kill invading pathogens (e.g., Vibrio spp.) through the action of haemolymph components...
August 12, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28802874/targeting-gastrointestinal-nutrient-sensing-mechanisms-to-treat-obesity
#15
REVIEW
Mariana Norton, Kevin G Murphy
Gut hormones have important roles in the regulation of appetite and glucose homeostasis. Understanding how macronutrient sensing in the gastrointestinal tract modulates gut hormone release may reveal novel pharmacological or dietary approaches to metabolic disease. In this short review we discuss the mechanisms by which the gut senses macronutrients and the products of macronutrient digestion, and their putative utility in treating obesity and related conditions.
August 10, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28800539/development-of-a-rapid-and-sensitive-multiple-reaction-monitoring-proteomic-approach-for-quantification-of-transporters-in-human-liver-tissue
#16
Li Wang, Kasi J Rubadue, Jeffrey Alberts, David W Bedwell, Kenneth J Ruterbories
With increasing knowledge on the role of hepatic transporters in drug disposition, numerous efforts have been described to quantify the expression of human hepatic transporters. However, reported quantitative proteomic approaches often require long analysis times. Additionally, greater assay sensitivity is still necessary for less abundant transporters or limited quantity of samples (e.g. hepatocytes and liver tissue). In the present study, an LC-MS/MS method for rapid and simultaneous quantification of 12 hepatic transporters (BCRP, BSEP, MATE1, MRP2, MRP3, MRP4, NTCP, OATP1B1, 1B3, 2B1, OCT1, and P-gp) was developed...
August 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28799777/functional-and-therapeutic-potential-of-inulin-a-comprehensive-review
#17
Waqas Ahmed, Summer Rashid
Inulin as a heterogeneous blend of fructose polymers is diversely found in nature primarily as storage carbohydrates in plants. Besides, inulin is believed to induce certain techno-functional and associated properties in food systems. Inulin owing to its foam forming ability has been successfully used as fat replacer in quite a wide range of products as dairy and baked products. Furthermore, it is known to impart certain nutritional and therapeutic benefits that extend apart to improve health and reduce the risk of many lifestyle related diseases...
August 11, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28796840/yes-research-matters
#18
Mari L Shinohara
My father was diagnosed with stomach cancer recently. Luckily, it was still at an early stage, and endoscopic surgery successfully took care of it. My father was fortunate; since people with stomach cancer do not show clear symptoms in the early stages, the disease is often not diagnosed until it becomes advanced. In his case, the diagnosis started from a suggestion by his doctor to check whether he had a gastric infection with Helicobacter pylori, a bacterial species found in the digestive tract. In Japan, where he lives, a majority of gastric cancer patients (more than 99%) have been infected with H...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28795489/plasma-metabolomics-reveals-steroidal-alkaloids-as-novel-biomarkers-of-tomato-intake-in-mice
#19
Morgan J Cichon, Ken M Riedl, Lei Wan, Jennifer M Thomas-Ahner, David M Francis, Steven K Clinton, Steven J Schwartz
SCOPE: Diets rich in tomato products are associated with a reduced risk of various chronic disease processes. The carotenoid lycopene is most intensely studied as the bioactive mediating health effects, yet tomatoes contain an array of phytochemicals. We conducted an untargeted metabolomics study on blood plasma to identify novel markers of tomato consumption absorbed from the diet and released into the bloodstream in mice. METHODS AND RESULTS: Male mice were fed a control AIN-93G diet or the same diet supplemented with 0...
August 9, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28795417/molecular-pathogenesis-of-human-prostate-basal-cell-hyperplasia
#20
Gervaise Henry, Alicia Malewska, Ryan Mauck, Jeffrey Gahan, Ryan Hutchinson, Jose Torrealba, Franto Francis, Claus Roehrborn, Douglas Strand
BACKGROUND: Understanding the molecular pathogenesis of distinct phenotypes in human benign prostatic hyperplasia (BPH) is essential to improving therapeutic intervention. Current therapies target smooth muscle and luminal epithelia for relief of lower urinary tract symptoms (LUTS) due to BPH, but basal cell hyperplasia (BCH) remains untargeted. The incidence of has been reported at 8-10%, but a molecular and cellular characterization has not been performed on this phenotype. METHODS: Using freshly digested tissue from surgical specimens, we performed RNA-seq analysis of flow cytometry-purified basal epithelia from 3 patients with and 4 patients without a majority BCH phenotype...
August 10, 2017: Prostate
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