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Understanding Crohn's Disease: Immunity, Genes and Microbes

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889452149 Year: Pages: 126 DOI: 10.3389/978-2-88945-214-9 Language: English
Publisher: Frontiers Media SA
Subject: Allergy and Immunology --- Medicine (General)
Added to DOAB on : 2017-10-13 14:57:01
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Abstract

Crohn's disease (CD) is a chronic, relapsing, inflammatory bowel disease resulting in considerable morbidity and reduced quality of life. Although still under intense debate, CD seems to result from an enhanced and uncontrolled immune response to the gut microbiota. CD is thought to be multifactorial depending on genetic and environmental determinants. In recent years, nearly 100 single nucleotide polymorphisms (SNPs) were associated with increased risk of developing CD (some of the SNPs also associated with susceptibility to ulcerative colitis, another type of IBD). These SNPs are mostly located in genes involved in innate and adaptive immunity mechanisms, such as autophagy, expression of pattern-recognition receptors and citokine signaling. Epigenetics is also probably playing a role in CD susceptibility, as it is sensitive to environmental conditions and may mediate gene-environment interactions. Environmental factors possibly involved in CD development include diet, gut microbiota composition and infection with specific pathogens, of which the most consistently associated to CD are Mycobacterium avium subsp. paratuberculosis and adherent-invasive Escherichia coli. This Topic aimed at bringing together contributions covering different genetic, epigenetic, immunological and microbial processes involved in the development of CD, helping to drive forward the understanding of CD immunopahtology.

Manual der Koloproktologie, Band 1

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ISBN: 9783110614442 Year: Pages: 298 DOI: 10.1515/9783110614442 Language: German
Publisher: De Gruyter
Subject: Medicine (General)
Added to DOAB on : 2019-11-06 16:06:17
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This is the standard textbook for every medical or surgical coloproctologist from the German Society for Coloproctology. In two volumes, it covers the full anatomy of the colon from the ileocecal valve to the anus. Each chapter offers a comprehensive overview of the etiology, pathogenesis, classification, symptomatology, diagnosis, conservative and surgical therapy, and the prophylaxis of individual diseases.

Manual der Koloproktologie, Band 2

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ISBN: 9783110614589 Year: Pages: 306 DOI: 10.1515/9783110614589 Language: German
Publisher: De Gruyter
Subject: Medicine (General)
Added to DOAB on : 2019-11-06 16:06:17
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This is the standard textbook for every medical or surgical coloproctologist from the German Society for Coloproctology. In two volumes, it covers the full anatomy of the colon from the ileocecal valve to the anus. Each chapter offers a comprehensive overview of the etiology, pathogenesis, classification, symptomatology, diagnosis, conservative and surgical therapy, and the prophylaxis of individual diseases.

Nutrition in Inflammatory Bowel Disease (IBD)

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ISBN: 9783039214396 / 9783039214402 Year: Pages: 370 DOI: 10.3390/books978-3-03921-440-2 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Nutrition and Food Sciences
Added to DOAB on : 2019-12-09 11:49:15
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The purpose of this Special Issue “Nutrition in Inflammatory Bowel Disease (IBD)” is to increase knowledge regarding the role of dietary composition and effects in IBD, describing the prevalence of malnutrition in IBD and the effect on clinical outcomes, discussing methods of nutrition risk screening and assessment in IBD, and reviewing mechanisms through which diet and dietary components may affect disease severity. The articles focus on the following areas: Dietary Composition/Therapy Interventions in Ulcerative Colitis and effects on outcomes; Dietary Composition/Therapy Interventions in Crohn’s Disease and effects on outcomes; Nutrition Risk Screening and Assessment in IBD; Mechanisms of Diet in the pathogenesis of IBD.

Keywords

body composition --- obesity --- visceral adipose tissue --- fat --- osteoporosis --- osteopenia --- sarcopenia --- inflammatory bowel disease --- Crohn’s disease --- dietary intake --- malnutrition --- Mediterranean diet --- exclusive enteral nutrition --- children --- IBD --- remission --- mucosal cytokines --- dietary protein level --- colitis --- epithelial repair --- mucosa-adherent microbiota --- intestinal inflammation --- inflammatory bowel disease --- epithelial adherens junctions --- bioactive peptides --- synbiotic --- prebiotic --- probiotic --- IBD --- Bacillus spores --- dietary fibre --- sugar cane fibre --- ulcerative colitis --- colon --- high-sulfur foods --- inflammation --- metagenomics --- microbiota --- sulfur reducing --- inflammatory bowel disease --- Crohn --- ulcerative colitis --- diet --- nutrition --- exclusive enteral nutrition --- intestinal epithelial cells --- inflammation --- probiotics --- Lactobacillus acidophilus --- Bifidobacterium animalis subsp. lactis --- vitamin D --- IBD --- Crohn’s disease --- ulcerative colitis --- supplementation --- deficiency --- Inflammatory Bowel Disease (IBD) --- Mediterranean Diet --- Western-style Diet (WSD) --- Nutritional Approach --- vitamin D --- Crohn’s disease --- ulcerative colitis --- faecal calprotectin --- C-reactive protein --- diet --- inflammatory bowel disease --- microbiota --- intestinal barrier --- nutrients --- immunity --- colitis --- food additive --- diet --- emulsifiers --- high salt diet --- inflammatory bowel diseases --- inflammatory bowel disease --- dietary modification --- exclusive enteral nutrition --- lifestyle modification --- Mediterranean diet --- colorectal cancer --- inflammatory bowel disease --- colorectal cancer --- dysplasia --- berries --- chemoprevention --- Inflammatory Bowel Disease --- micronutrients --- vitamin --- mineral --- deficiency --- inflammatory bowel disease --- dietary habits --- food components --- gut microbiota --- immune homeostasis --- epigenetic changes --- inflammatory bowel disease --- malnutrition --- Mediterranean diet --- older age --- diet --- inflammatory bowel disease --- ulcerative colitis --- inflammatory bowel disease --- Westernisation --- genotypes --- nutrient deficiency --- food intolerance --- FODMAPs --- gluten --- fructose --- lactose --- brassica --- mushrooms --- n/a

Ultrasound Elastography

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ISBN: 9783038979104 / 9783038979111 Year: Pages: 144 DOI: 10.3390/books978-3-03897-911-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Therapeutics
Added to DOAB on : 2019-08-28 11:21:27
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The comparison between methods, evaluation of portal hypertension and many other questions are still open issues in liver elastography. New elastographic applications are under evaluation and close to being used in clinical practice. Strain imaging has been incorporated into many disciplines and EFSUMB guidelines are under preparation. More research is necessary for improved evidence for clinical applications in daily practice. The Special Issue published papers on recent advances in development and application of Ultrasound Elastography.

Curcumin in Health and Disease

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ISBN: 9783039214495 / 9783039214501 Year: Pages: 274 DOI: 10.3390/books978-3-03921-450-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General)
Added to DOAB on : 2019-12-09 11:49:15
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The plant-derived polyphenol curcumin has been used in promoting health and combating disease for thousands of years. Its therapeutic effects have been successfully utilized in Ayurvedic and Traditional Chinese Medicine in order to treat inflammatory diseases. Current results from modern biomolecular research reveal the modulatory effects of curcumin on a variety of signal transduction pathways associated with inflammation and cancer. In this context, curcumin’s antioxidant, anti-inflammatory, anti-tumorigenic, and even anti-metastatic activities are discussed. On the cellular level, the reduced activity of several transcription factors (such as NFkB or AP-1) and the suppression of inflammatory cytokines, matrix degrading enzymes, metastasis related genes and even microRNAs are reported. On functional levels, these molecular effects translate into reduced proliferative, invasive, and metastatic capacity, as well as induced tumor cell apoptosis. All these effects have been observed not only in vitro but also in animal models. In combination with anti-neoplastic drugs like Taxol, kinase inhibitors, and radiation therapy, curcumin potentiates the drugs’ therapeutic power and can protect against undesired side effects. Natural plant-derived compounds like curcumin have one significant advantage: They do not usually cause side effects. This feature qualifies curcumin for primary prevention in healthy persons with a predisposition to cancer, arteriosclerosis, or chronic inflammatory diseases. Nonetheless, curcumin is considered safe, although potential toxic effects stemming from high dosages, long-term intake, and pharmacological interactions with other compounds have yet to be assessed. This Special Issue examines in detail and updates current research on the molecular targets, protective effects, and modes of action of natural plant-derived compounds and their roles in the prevention and treatment of human diseases.

Keywords

brain ischemia --- curcumin --- Alzheimer’s disease --- neurodegeneration --- amyloid --- tau protein --- autophagy --- mitophagy --- apoptosis --- genes --- glioblastoma multiforme --- autophagy --- mitophagy --- curcumin --- chaperone-mediated autophagy --- Akt/mTOR signaling --- transmission electron microscopy --- Curcuma longa --- turmeric tuber --- Zingiberaceae --- TLC bioautography --- antimicrobial agents --- ImageJ --- TLC-MS --- hydrostatic counter-current chromatography --- centrifugal partition chromatography --- curcumin --- death receptor --- apoptosis --- curcumin --- anticancer --- structure activity relationship --- cellular pathway --- mechanism of action --- delivery system --- wound --- wound healing --- diet --- nutrition --- micronutrients --- macronutrients --- curcumin --- amino-acids --- vitamins --- minerals --- curcumin --- oxidative metabolites --- inflamm-aging --- cancer --- metabolic reprogramming --- direct protein binding --- IL-17 --- STAT3 --- SHMT2 --- ageing --- anti-cancer --- autophagy --- microbiota --- senescence --- senolytics --- curcumin --- transthyretin --- amyloidosis --- protein aggregation --- protein misfolding --- drug discovery --- curcumin --- renal cell cancer --- tumor growth --- tumor proliferation --- cell cycling --- curcumin --- reflux esophagitis --- gastroprotection --- gastric ulcer --- Helicobacter pylori --- gastric cancer --- curcumin --- complementary medicine --- cancer treatment --- supportive care --- antioxidants --- anti-inflamation --- ulcerative colitis --- Crohn’s disease --- necrotizing enterocolitis --- curcumin --- inflammatory bowel disease --- curcumin --- silica --- chitosan --- nanoparticles --- anti-tumor --- antioxidant activity --- n/a

Biological Crystallization

Authors: --- ---
ISBN: 9783039214037 / 9783039214044 Year: Pages: 184 DOI: 10.3390/books978-3-03921-404-4 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology
Added to DOAB on : 2019-12-09 11:49:15
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For at least six hundred million years, life has been a fascinating laboratory of crystallization, referred to as biomineralization. During this huge lapse of time, many organisms from diverse phyla have developed the capability to precipitate various types of minerals, exploring distinctive pathways for building sophisticated structural architectures for different purposes. The Darwinian exploration was performed by trial and error, but the success in terms of complexity and efficiency is evident. Understanding the strategies that those organisms employ for regulating the nucleation, growth, and assembly of nanocrystals to build these sophisticated devices is an intellectual challenge and a source of inspiration in fields as diverse as materials science, nanotechnology, and biomedicine. However, “Biological Crystallization” is a broader topic that includes biomineralization, but also the laboratory crystallization of biological compounds such as macromolecules, carbohydrates, or lipids, and the synthesis and fabrication of biomimetic materials by different routes. This Special Issue collects 15 contributions ranging from biological and biomimetic crystallization of calcium carbonate, calcium phosphate, and silica-carbonate self-assembled materials to the crystallization of biological macromolecules. Special attention has been paid to the fundamental phenomena of crystallization (nucleation and growth), and the applications of the crystals in biomedicine, environment, and materials science.

Keywords

polymyxin resistance --- colistin resistance --- MCR-1 --- protein crystal nucleation --- thermodynamic and energetic approach --- protein ‘affinity’ to water --- solubility --- balance between crystal bond energy and destructive surface energies --- supersaturation dependence of the crystal nucleus size --- ependymin (EPN) --- ependymin-related protein (EPDR) --- mammalian ependymin-related protein (MERP) --- Campylobacter consisus --- Crohn’s disease --- circular dichroism --- protein crystallization --- Csep1p --- protein crystallization --- biochemical aspects of the protein crystal nucleation --- classical and two-step crystal nucleation mechanisms --- bond selection during protein crystallization --- equilibration between crystal bond and destructive energies --- protein crystal nucleation in pores --- crystallization in solution flow --- crystallization --- microseed matrix screening --- seeding --- optimization --- human carbonic anhydrase IX --- neutron protein crystallography --- microbially induced calcite precipitation (MICP) --- heavy metals --- wastewater treatment --- bioprecipitation --- calcium carbonate --- drug discovery --- education --- crystallization --- crystallography --- nucleation --- micro-crystals --- agarose --- ferritin --- lysozyme --- proteinase k --- insulin --- calcium carbonate --- {00.1} calcite --- lithium ions --- ultrasonic irradiation --- vaterite transformation --- adsorption --- calcein --- crystal violet --- dyes --- diffusion --- H3O+ --- reductants --- color change --- gradients --- biomorphs --- barium carbonate --- silica --- PCDA --- pyrrole --- droplet array --- crystal growth --- calcium carbonate --- high-throughput --- biomimetic crystallization --- biomineralization --- polyacrylic acid --- Cry protein crystals --- metallothioneins --- bioremediation --- heavy metal contamination --- nanoapatites --- graphene --- crystallization --- nanocomposites --- lysozyme --- L-tryptophan --- N-acetyl-D-glucosamine --- chitosan --- MTT assay --- GTL-16 cells --- Haloalkane dehalogenase --- halide-binding site --- random microseeding --- biomineralization --- biomimetic materials --- biomorphs --- calcium carbonate --- nanoapatites --- nucleation --- growth --- crystallization of macromolecules --- bioremediation --- materials science --- biomedicine

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