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Beta Glucans

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https://www.readbyqxmd.com/read/28645493/sprayable-carbopol-hydrogel-with-soluble-beta-1-3-1-6-glucan-as-an-active-ingredient-for-wound-healing-development-and-in-vivo-evaluation
#1
Jostein Grip, Rolf Einar Engstad, Ingrid Skjæveland, Nataša Škalko-Basnet, Ann Mari Holsæter
Chronic wounds represent a significant health problem worldwide. There is a need for advanced- and cost-efficient wound healing products able to increase patient comfort and reduce the healing time. The aim of this study was to develop a sprayable hydrogel dressing with beta-glucan (βG) as the active ingredient, targeting future application in the treatment of both chronic and burn wounds. The βG was chosen as an active ingredient because of its promising wound healing capabilities, whereas Carbopol 971P NF (Carbopol) was chosen as the thickening agent in the formulation due to several attractive characteristics such as its low viscosity, low toxicity, high transparency and good ion tolerance...
June 20, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28623531/elevated-serum-beta-d-glucan-with-pseudomonas-aspergillus-and-a-partially-acid-fast-organism-in-respiratory-cultures-a-case-of-hickam-s-dictum-over-occam-s-razor
#2
Salman Khan, Camille Hamula, Meenakshi Rana, Timothy Sullivan, Dallas Dunn, Pinki Patel, Aaron Mishkin, Shirish Huprikar
We describe a case of a man with ectopic Cushing's syndrome, elevated serum beta-D-glucan, and respiratory cultures with Pseudomonas, Aspergillus, and a partially acid-fast organism. Our case highlights challenges in diagnosis and management of coinfection in an immunocompromised host.
June 16, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28620550/generation-of-recombinant-antibodies-against-the-beta-1-6-branched-beta-1-3-d-glucan-schizophyllan-from-immunized-mice-via-phage-display
#3
Jörn Josewski, Sabine Buchmeier, André Frenzel, Philip Tinnefeld, Stefan Dübel, Udo Rau
beta-(1,6)-Branched beta-(1,3)-D-glucans like schizophyllan from the basidiomycete Schizophyllum commune excite various immunostimulatory effects and have been clinically tested as adjuvants. Some of the glucans are also applicable in food or petrol industry due to their viscosity and temperature stability in aqueous solution. Antibodies against these glucans could be used as tool for analysis of glucan preparations or for further research of its bioactivity. Therefore, an immune phage display library was constructed from mice immunized with schizophyllan...
2017: Biotechnology Research International
https://www.readbyqxmd.com/read/28594435/texture-and-lubrication-properties-of-functional-cream-cheese-effect-of-beta-glucan-and-phytosterol
#4
Dian Widya Ningtyas, Bhesh Bhandari, Nidhi Bansal, Sangeeta Prakash
The effect of β-glucan (BG) and phytosterols (PS) as fat replacers on textural, microstructural and lubrication properties of reduced-fat cream cheese was investigated. Five formulations (BG-PS ester, PS ester, BG-PS emulsions, PS emulsions, and BG) of cream cheese with added β-glucan and phytosterols (in emulsified and esterified form) were investigated and compared with commercial cheese. Among the five formulations used in this experiment, the effect of β-glucan appeared to be more pronounced imparting increased viscosity and firmness to reduced-fat cream cheese, similar to commercial high-fat cream cheese sample...
June 8, 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28593831/osmoregulated-periplasmic-glucans
#5
Sébastien Bontemps-Gallo, Jean-Pierre Bohin, Jean-Marie Lacroix
Among all the systems developed by enterobacteria to face osmotic stress, only osmoregulated periplasmic glucans (OPGs) were found to be modulated during osmotic fluxes. First detected in 1973 by E.P. Kennedy's group in a study of phospholipid turnover in Escherichia coli, OPGs have been shown across alpha, beta, and gamma subdivisions of the proteobacteria. Discovery of OPG-like compounds in the epsilon subdivision strongly suggested that the presence of periplasmic glucans is essential for almost all proteobacteria...
June 2017: EcoSal Plus
https://www.readbyqxmd.com/read/28584989/beta-glucan-particles-as-vaccine-adjuvant-carriers
#6
Zeynep Mirza, Ernesto R Soto, Fusun Dikengil, Stuart M Levitz, Gary R Ostroff
Glucan particles (GPs) are spherical hollow particles derived from Saccharomyces cerevisiae cell walls and mainly consist of β-1, 3-D-glucans. The inner hollow cavity of glucan particles can be loaded with different compounds, including protein antigens, and delivered to macrophages and dendritic cells. Moreover, the GP delivery system possesses β-glucan's intrinsic immunostimulatory properties. Therefore, GPs serve as both an antigen-presenting cell-targeted delivery system and an adjuvant.Here, we describe the production of GPs from S...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28566660/a-giant-dermatophyte-abscess-caused-by-trichophyton-rubrum-in-an-immunocompromised-patient
#7
Maiko Toyoki, Midori Hase, Yusuke Hirasawa, Takashi Umeyama, Yoshitsugu Miyazaki, Rui Kano, Takashi Sugita, Masataro Hiruma, Yuzo Kodama, Shigaku Ikeda
A 73-year-old male who had been receiving immunosuppressive drugs for 15 years developed a nodule on the left buttock region. The nodule slowly grew into a 15-cm fluctuant multilocular subcutaneous cyst. Serum beta-D-glucan levels were high, and the yellow purulent fluid obtained from the cyst was positive for Trichophyton rubrum. Granuloma formation in the cyst wall and large abscesses in the central cystic area were found, and septated hyphae were observed in both tissues. The cyst was surgically removed, and followed by itraconazole treatment...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28535932/charting-novel-allergens-from-date-palm-pollen-phoenix-sylvestris-using-homology-driven-proteomics
#8
Bodhisattwa Saha, Naren Pandey, Swati Gupta Bhattacharya
Pollen grains from Phoenix sylvestris (date palm), a commonly cultivated tree in India has been found to cause severe allergic diseases in an increasing percentage of hypersensitive individuals. To unearth its allergenic components, pollen protein were profiled by two-dimensional gel electrophoresis followed by immunoblotting with date palm pollen sensitive patient sera. Allergens were identified by MALDI-TOF/TOF employing a layered proteomic approach combining conventional database dependent search and manual de novo sequencing followed by homology-based search as Phoenix sylvestris is unsequenced...
May 20, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28531638/incorporation-of-beta-glucans-into-bread-postprandial-glucose-insulin-and-ghrelin-response-of-healthy-subjects
#9
Nikoleta S Stamataki, Amalia E Yanni, Maria G Stoupaki, Alexandros Tsigkas, Panagiotis Konstantopoulos, Irene Pateras, Nikolaos Tentolouris, Despina N Perrea, Vaios T Karathanos
No abstract text is available yet for this article.
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28521523/sepsis-in-internal-medicine-wards-current-knowledge-uncertainties-and-new-approaches-for-management-optimization
#10
Vincenzo Zaccone, Alberto Tosoni, Giovanna Passaro, Carla Vincenza Vallone, Michele Impagnatiello, Domenica Donatella Li Puma, Salvatore De Cosmo, Raffaele Landolfi, Antonio Mirijello
Sepsis represents a global health problem in terms of morbidity, mortality, social and economic costs. Although usually managed in Intensive Care Units, sepsis showed an increased prevalence among Internal Medicine wards in the last decade. This is substantially due to the ageing of population and to multi-morbidity. These characteristics represent both a risk factor for sepsis and a relative contra-indication for the admission to Intensive Care Units. Although there is a lack of literature on the management of sepsis in Internal Medicine, the outcome of these patients seems to be gradually improving...
May 27, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28507467/preparation-and-characterization-of-beta-glucan-particles-containing-a-payload-of-nanoembedded-rifabutin-for-enhanced-targeted-delivery-to-macrophages
#11
Tarun K Upadhyay, Nida Fatima, Deepak Sharma, V Saravanakumar, Rolee Sharma
β-glucan particles (GP) are polymeric carbohydrates, mainly found as components of cell wall fungi, yeast, bacteria and also in cereals such as barley and oat, and have been recently shown to have application in macrophage-targeted drug delivery. The aim of this study was to prepare and characterize GP containing a large payload of Rifabutin (RB), an anti-tuberculosis drug effective against MDR-TB at lower MIC than Rifampicin. GP were prepared from yeast cells by acidic and alkaline extraction were either spray dried or lyophilized, prior to RB loading and alginate sealing...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28504139/the-protective-role-of-phytate-in-the-oxidative-degradation-of-cereal-beta-glucans
#12
Yu-Jie Wang, Ruzhen Zhan, Tuula Sontag-Strohm, Ndegwa Henry Maina
This study investigated the role of phytate in the Fenton reaction induced oxidative degradation of cereal β-glucan. Viscosity analysis showed that the degradation rate was high in the beginning of oxidation, which fitted to the second order kinetic model. Oat β-glucan contained significant amount of residual phytate and after the residual phytate was removed, faster degradation was shown compared to the original oat β-glucan. Adding the same amount of phytic acid (PA) to the phytate removed β-glucan sample also retarded the degradation but not as efficiently as the residual phytate...
August 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28475444/the-cost-effectiveness-of-a-novel-soluble-beta-glucan-gel
#13
K F Cutting
OBJECTIVE: Wounds that have stalled healing are costly in terms of patient morbidity and increase in use of material and financial resources. A natural polymer beta-glucans has been incorporated into a methylcellulose gel to provide a topical gel designed to accelerate healing in wounds where it has stalled. Although the gel provides an environment conducive to moist wound healing the active agent, beta-glucans, activate the innate immune response. METHOD: Using a Markov cohort simulation model, data were extrapolated from a double-blind randomised trial to evaluate the economic benefits of the soluble beta-glucan (SBG) gel in the treatment of diabetic foot ulcers (DFUs)...
May 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28461332/a-bacteroidetes-locus-dedicated-to-fungal-1-6-%C3%AE-glucan-degradation-unique-substrate-conformation-drives-specificity-of-the-key-endo-1-6-%C3%AE-glucanase
#14
Max J Temple, Fiona Cuskin, Arnaud Baslé, Niall Hickey, Gaetano Speciale, Spencer J Williams, Harry J Gilbert, Elisabeth C Lowe
Glycans are major nutrients available to the human gut microbiota (HGM). The Bacteroides are generalist glycan degraders and this function is mediated largely by polysaccharide utilization loci (PULs). The genomes of several Bacteroides species contain a PUL, PUL1,6-beta;-glucan, that was predicted to target mixed linked plant 1,3;1,4-beta-glucans. To test this hypothesis we characterized the proteins encoded by this locus in Bacteroides thetaiotaomicron, a member of the HGM. We show here that PUL1,6-β-glucan does not orchestrate the degradation of a plant polysaccharide but targets a fungal cell wall glycan, 1,6-beta-glucan, which is a growth substrate for the bacterium...
May 1, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28408313/preventing-cardiovascular-heart-disease-promising-nutraceutical-and-non-nutraceutical-treatments-for-cholesterol-management
#15
REVIEW
T P Johnston, T A Korolenko, M Pirro, A Sahebkar
Hypercholesterolemia is one of the major risk factors for the development of cardiovascular disease. Atherosclerosis resulting from hypercholesterolemia causes many serious cardiovascular diseases. Statins are generally accepted as a treatment of choice for lowering low-density lipoprotein (LDL) cholesterol, which reduces coronary heart disease morbidity and mortality. Since statin use can be associated with muscle problems and other adverse symptoms, non-adherence and discontinuation of statin therapy often leads to inadequate control of plasma cholesterol levels and increased cardiovascular risk...
June 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28403270/evidence-for-anti-aging-south-korean-cosmeceuticals
#16
Ellinor R Quay, Yunyoung C Chang, Emmy Graber
<p>As the market for South Korean skin care products grows in the U.S. and worldwide, consumers will increasingly seek advice from dermatologists regarding their efficacy. In this paper, the evidence behind the anti-aging and skin whitening activity of ingredients in the most popular South Korean skin care products was reviewed and critically evaluated. Industry profit data from Euromonitor was obtained to identify the top cosmeceutical brands by retail value in South Korea. The top selling products and their ingredients were then identified from individual brand websites...
April 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28395406/-expression-and-differential-diagnostic-value-of-serum-microrna-for-invasive-pulmonary-aspergillosis
#17
Z N Wen, Z G Ling, Y Huang, X Li
Objective: To explore the expression and the clinical diagnostic value of serum miR-21 for invasive pulmonary aspergillosis (IPA). Methods: Outpatients and inpatients from the Fourth Affiliated Hospital of Guangxi Medical University were included in the study during June 2014 to September 2015. The IPA group had 40 patients, male 22, female 18, aged 55-68 years (mean 60 ), while the control groups included 50 patients with pulmonary tuberculosis [male 23, female 27, aged 50-62 years (mean 55 )], 50 patients with lung cancer [male 30, female 20, aged 55-70 years (mean 62)], and 50 healthy controls [male 25, female 25, aged 50-67 years (mean 60) ]...
April 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28384957/radioprotective-effect-of-beta-d-glucan-and-vitamin-e-on-gamma-irradiated-mouse
#18
Faraj Tabeie, Seyed Mehdi Tabatabaei, Ali Mahmoud-Pashazadeh, Majid Assadi
INTRODUCTION: It is shown that beta-D-glucan is an immunologic system booster with radioprotectory effects. Radioprotectors are chemical components that can alleviate biological damage produced by ionizing radiation. AIM: This study was designed to investigate the synergistic radioprotectory effects of beta-D-glucan and vitamin E on irradiated mice with (60)Co source. MATERIALS AND METHODS: A total of 240 female mice were arranged in four, equal population groups of control group (C), treated group with beta D-glucan (G), treated group with vitamin E (E), and treated group with both beta D-glucan and vitamin E (G+E)...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28378239/usefulness-of-1-3-beta-d-glucan-detection-in-non-hiv-immunocompromised-mechanical-ventilated-critically-ill-patients-with-ards-and-suspected-pneumocystis-jirovecii-pneumonia
#19
Tobias Lahmer, Clarissa Prazeres da Costa, Jürgen Held, Sebastian Rasch, Ursula Ehmer, Roland M Schmid, Wolfgang Huber
INTRODUCTION: Pneumocystis jirovecii pneumonia (PCP) is a major cause of disease in immunocompromised individuals. Diagnosis is typically obtained by microscopy and/or PCR. For ambiguous PCR results, we evaluated the new biomarker 1,3-Beta-D-Glucan (BDG). METHODS: BDG serum levels were assessed and correlated to PCR results in immunosuppressed patients with ARDS. RESULTS: 11 (22%) out of 50 patients had suspected PCP. APACHE II (26 vs. 24; p < 0...
April 4, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28304350/a-multifunctional-bread-rich-in-beta-glucans-and-low-in-starch-improves-metabolic-control-in-type-2-diabetes-a-controlled-trial
#20
Paolo Tessari, Anna Lante
DESIGN: Functional foods may be useful for people with diabetes. The soluble fibers beta glucans can modify starch digestion and improve postprandial glucose response. We analyzed the metabolic effects of a specifically designed 'functional' bread, low in starch, rich in fibers (7 g/100 g), with a beta glucan/starch ratio of (7.6:100, g/g), in people with type 2 diabetes mellitus. Methods: Clinical and metabolic data from two groups of age-, sex- and glycated hemoglobin-matched diabetic subjects, taking either the functional bread or regular white bread, over a roughly six-month observation period, were retrieved...
March 17, 2017: Nutrients
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