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https://www.readbyqxmd.com/read/28728000/tailor-made-purified-human-platelet-lysate-concentrated-in-neurotrophins-for-treatment-of-parkinson-s-disease
#1
Ming-Li Chou, Joe-Wei Wu, Flore Gouel, Aurélie Jonneaux, Kelly Tillerman, Ting-Yi Renn, Charlotte Laloux, Hung-Ming Chang, Liang-Tzung Lin, Jean-Christophe Devedjian, David Devos, Thierry Burnouf
Human platelet lysates (PLs), which contain multiple neurotrophins, have been proposed for treating neurodegenerative disorders, including Parkinson's disease (PD). However, current PLs suspended in plasma have high protein content and contain fibrinogen/fibrin and, following activation, also proteolytic and thrombogenic enzymes. Upon brain administration, such PLs may saturate the cerebrospinal fluid and exert neurotoxicity. We assessed whether purified PLs, concentrated in neurotrophins, protected dopaminergic neurons in PD models...
July 12, 2017: Biomaterials
https://www.readbyqxmd.com/read/28727056/effects-of-protein-and-fat-concentration-in-coproduct-based-growing-calf-diets-on-adipogenic-and-lipogenic-gene-expression-blood-metabolites-and-carcass-composition
#2
J R Segers, J J Loor, S J Moisá, D Gonzalez, D W Shike
Crossbred calves ( = 30; age = 95 ± 1.7 d; BW = 179 ± 18 kg) were fed 1 of 5 growing diets: 1) corn-based control, 2) low-fat, low-protein coproduct blend, 3) high-fat, low-protein coproduct blend, 4) low-fat, high-protein coproduct blend, and 5) high-fat, high-protein coproduct blend for 112 d (growing phase) followed by a common corn-based finishing diet (additional 112 d; finishing phase). Calves were biopsied at 0, 112, and 224 d for transcriptional analysis via real-time quantitative PCR of 14 genes associated with adipogenesis and lipogenesis within the muscle...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727029/effects-of-graded-levels-of-microbial-phytase-on-apparent-total-tract-digestibility-of-calcium-and-phosphorus-and-standardized-total-tract-digestibility-of-phosphorus-in-four-sources-of-canola-meal-and-in-soybean-meal-fed-to-growing-pigs
#3
Y She, Y Liu, H H Stein
One hundred twenty pigs were used to determine effects of graded levels of microbial phytase on the apparent total tract digestibility (ATTD) of P and Ca and the standardized total tract digestibility (STTD) of P in 4 sources of canola meal and in 1 source of soybean meal (SBM) fed to growing pigs. The 4 sources of canola meal were produced from 1 source of high-protein canola seeds and 2 sources of conventional canola seeds with 1 of the conventional canola seeds being divided into 2 separate batches before crushing...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28724690/correction-to-high-protein-paternal-diet-confers-an-advantage-to-sons-in-sperm-competition
#4
Felix Zajitschek, Susanne Zajitschek, Mollie Manier
No abstract text is available yet for this article.
July 2017: Biology Letters
https://www.readbyqxmd.com/read/28724546/high-protein-diet-promotes-sensitivity-to-cholecystokinin-and-shifts-the-cecal-microbiome-without-altering-brain-inflammation-in-diet-induced-obesity-in-rats
#5
Lixin Wang, Jonathan P Jacobs, Venu Lagishetty, Pu-Qing Yuan, Shuping Vincent Wu, Mulugeta Million, Joseph R Reeve, Joseph R Pisegna, Yvette Taché
High protein diet (HPD) curtails obesity and/or fat mass but it is unknown whether it reverses neuroinflammation, altered glucose levels, cholecystokinin (CCK) sensitivity and gut microbiome in rats fed a Western diet (WD)-induced obesity (DIO). Male rats fed a WD (high fat and sugar) for 12 weeks were switched to a HPD for 6 weeks. Body composition, food intake, meal pattern, sensitivity to intraperitoneal CCK-8S, blood glucose, brain signaling, and cecal microbiota were assessed. Compared to normal diet, WD increased body weight (9...
July 19, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28722205/temperature-stability-of-proteins-analysis-of-irreversible-denaturation-using-isothermal-calorimetry
#6
Arne Schön, Benjamin R Clarkson, Maria Jaime, Ernesto Freire
The structural stability of proteins has been traditionally studied under conditions in which the folding/unfolding reaction is reversible, since thermodynamic parameters can only be determined under these conditions. Achieving reversibility conditions in temperature stability experiments has often required performing the experiments at acidic pH or other non-physiological solvent conditions. With the rapid development of protein drugs, the fastest growing segment in the pharmaceutical industry, the need to evaluate protein stability under formulation conditions has acquired renewed urgency...
July 19, 2017: Proteins
https://www.readbyqxmd.com/read/28712125/oral-contraceptive-pill-alters-acute-dietary-protein-induced-thermogenesis-in-young-women
#7
Maharani Retna Duhita, Yves Schutz, Jean-Pierre Montani, Abdul G Dulloo, Jennifer L Miles-Chan
OBJECTIVE: There is much interest in the role of dietary protein for weight control. However, there remains a need to characterize individual determinants of the thermogenic effects of protein. This study aimed to investigate the influence of menstrual cycle phase and the combined, monophasic oral contraceptive pill on the thermogenic response to a standardized high-protein (HP) versus normal-protein (NP) meal. METHODS: Following an overnight fast, resting energy expenditure (EE) was measured in 16 healthy young women (8 taking and 8 not taking the pill) and 8 men for 30 minutes pre ingestion and 3 hours post ingestion of a NP (11%) or HP (24%) meal...
July 16, 2017: Obesity
https://www.readbyqxmd.com/read/28710148/energy-protein-carbohydrate-and-lipid-intakes-and-their-effects-on-morbidity-and-mortality-in-critically-ill-adult-patients-a-systematic-review
#8
REVIEW
Anna Patkova, Vera Joskova, Eduard Havel, Miroslav Kovarik, Monika Kucharova, Zdenek Zadak, Miloslav Hronek
The guidelines for nutritional support in critically ill adult patients differ in various aspects. The optimal amount of energy and nutritional substrates supplied is important for reducing morbidity and mortality, but unfortunately this is not well known, because the topic is complex and every patient is individual. The aim of this review was to gather recent pertinent information concerning the nutritional support of critically ill patients in the intensive care unit (ICU) with respect to the energy, protein, carbohydrate, and lipid intakes and the effect of their specific utilization on morbidity and mortality...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28706526/molecular-breeding-for-ascochyta-blight-resistance-in-lentil-current-progress-and-future-directions
#9
REVIEW
Matthew S Rodda, Jennifer Davidson, Muhammad Javid, Shimna Sudheesh, Sara Blake, John W Forster, Sukhjiwan Kaur
Lentil (Lens culinaris Medik.) is a diploid (2n = 2x = 14), self-pollinating, cool-season, grain legume that is cultivated worldwide and is highly valuable due to its high protein content. However, lentil production is constrained by many factors including biotic stresses, majority of which are fungal diseases such as ascochyta blight (AB), fusarium wilt, rust, stemphylium blight, anthracnose, and botrytis gray mold. Among various diseases, AB is a major -problem in many lentil-producing countries and can significantly reduce crop production...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28704605/protein-adsorption-to-charged-gold-nanospheres-as-a-function-of-protein-deformability
#10
Jordan M Dennison, Jennifer M Zupancic, Wayne Lin, Jonathan H Dwyer, Catherine J Murphy
The corona that forms as protein adsorbs to gold nanospheres (AuNSs) is directly influenced by the surface chemistry of the AuNS. Tools to predict adsorption outcomes are needed for intelligent design of nanomaterials for biological applications. We hypothesized that the denaturation behavior of a protein might be a useful predictor of adsorption behavior to AuNSs, and used this idea to study protein adsorption to anionic citrate capped AuNSs and to cationic poly(allylamine hydrochloride) (PAH) wrapped AuNSs...
July 13, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28699056/killing-activity-of-micafungin-against-candida-albicans-c-dubliniensis-and-candida-africana-in-the-presence-of-human-serum
#11
Renátó Kovács, Qasem Saleh, Aliz Bozó, Zoltán Tóth, Rudolf Gesztelyi, Tamás Kardos, Gábor Kardos, István Takacs, László Majoros
We compared killing activity of micafungin in time-kill experiments in RPMI-1640 with and without 50% serum against Candida albicans, Candida dubliniensis and Candida africana reference strains and clinical isolates. Killing rates (k values) were determined for each strain and concentration. In RPMI-1640 MIC ranges were 0.015-0.03, 0.015-0.03 and 0.015 mg/L against C. albicans, C. dubliniensis and C. africana, respectively. In 50% serum MIC values for the three species increased 16- to 64-fold. In RPMI-1640 micafungin was fungicidal against two of three C...
July 11, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28697876/pharmacokinetics-of-the-anti-androgenic-drug-flutamide-in-healthy-stallions
#12
Francisco Javier Mendoza, Juan Manuel Serrano-Rodriguez, Antonio Buzon-Cuevas, Alejandro Perez-Ecija
Alternatives to surgical castration are necessary for controlling the sexual behaviour of stallions with breeding potential in training and competition. Flutamide is a potent selective non-steroidal androgen receptor competitive antagonist that has been used in human beings as an anti-androgenic drug. In this study, the pharmacokinetics and bioavailability of flutamide and its main active metabolite, 2-hydroflutamide, were determined in seven healthy mature stallions. Single doses of flutamide (1mg/kg intravenously, 1mg/kg orally in fasted horses, 5mg/kg orally in fasted horses and 5mg/kg orally in fed horses) were administered randomly at intervals of 2 weeks...
June 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28690307/analyses-of-acidic-tar-dyes-in-high-protein-foods-and-examination-of-extraction-and-clean-up-methods-for-various-foods
#13
Asa Osuga, Yoko Uematsu, Yukiko Yamajima, Takushi Fujiwara, Shoichi Tahara, Hiroyuki Miyakawa, Kimio Monma
Extraction and clean-up methods were examined for the analysis of acidic tar dyes in various high-protein foods. 1% Aqueous ammonia followed by ethanol, 1% aqueous ammonia-ethanol (1 : 1) mixture, and 1% aqueous ammonia-tetrahydrofuran (1 : 1) mixture were used in sequence for boiled fish paste (kamaboko), pounded fish cake (hanpen), and sausage. The sausage extract was centrifuged at low temperature to solidify and remove the contained fat. Salted cod roe with red pepper was extracted twice with 1% aqueous ammonia-ethanol (1 : 1) mixture, followed by extraction with 1% aqueous ammonia-tetrahydrofuran (1 : 1) mixture...
2017: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
https://www.readbyqxmd.com/read/28690199/high-concentration-protein-formulations-how-high-is-high
#14
Patrick Garidel, Alexander B Kuhn, Lars V Schäfer, Anne R Karow-Zwick, Michaela Blech
High-concentration protein formulation (HCPF) is a term that is used to describe protein formulations, mostly monoclonal antibody (mAb) drugs, at high protein concentration. The concentration is rarely defined, with typical ranges varying between 50 and 150 mg/ml for mAbs. The term HCPF is meant to include and express specific solution properties of formulations that are prone to appear at high protein concentrations such as high viscosity, high opalescence, phase separation, gel formation or the increased propensity for protein particle formation...
July 6, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28688207/the-application-of-a-microfluidic-reactor-including-spontaneously-adsorbed-trypsin-for-rapid-protein-digestion-of-human-tear-samples
#15
Adam Kecskemeti, Cynthia Nora Nagy, Eva Csosz, Gergo Kallo, Attila Gaspar
In this study the application of a newly developed microfluidic immobilized enzymatic reactor (IMER) designed to accelerate protein digestion in clinical samples is presented. The IMER contains trypsin adsorbed on the porous surface of a PDMS microfluidic chip. Human tear with its relatively low volume and high protein content was collected and used for testing the digestion efficiency of the IMER. With the use of CZE peptide mapping, the efficiency and reproducibility of the reactor were investigated. No significant difference was observed in the CZE peptide profiles of the same tear sample digested in-solution or via microfluidic IMER...
July 8, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28686588/inherent-limitations-of-probabilistic-models-for-protein-dna-binding-specificity
#16
Shuxiang Ruan, Gary D Stormo
The specificities of transcription factors are most commonly represented with probabilistic models. These models provide a probability for each base occurring at each position within the binding site and the positions are assumed to contribute independently. The model is simple and intuitive and is the basis for many motif discovery algorithms. However, the model also has inherent limitations that prevent it from accurately representing true binding probabilities, especially for the highest affinity sites under conditions of high protein concentration...
July 7, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28683104/rna-stores-tau-reversibly-in-complex-coacervates
#17
Xuemei Zhang, Yanxian Lin, Neil A Eschmann, Hongjun Zhou, Jennifer N Rauch, Israel Hernandez, Elmer Guzman, Kenneth S Kosik, Songi Han
Nonmembrane-bound organelles that behave like liquid droplets are widespread among eukaryotic cells. Their dysregulation appears to be a critical step in several neurodegenerative conditions. Here, we report that tau protein, the primary constituent of Alzheimer neurofibrillary tangles, can form liquid droplets and therefore has the necessary biophysical properties to undergo liquid-liquid phase separation (LLPS) in cells. Consonant with the factors that induce LLPS, tau is an intrinsically disordered protein that complexes with RNA to form droplets...
July 2017: PLoS Biology
https://www.readbyqxmd.com/read/28681340/fdg-pet-ct-findings-of-extra-thoracic-sarcoid-are-associated-with-cardiac-sarcoid-a-rationale-for-using-fgd-pet-ct-for-cardiac-sarcoid-evaluation
#18
Darshan C Patel, Senthil S Gunasekaran, Christopher Goettl, Nadera J Sweiss, Yang Lu
PURPOSE: This retrospective study investigates the relationship between cardiac and extra-thoracic sarcoid findings on FDG PET-CT using a 72-hour pretest high-fat, high-protein, and very low-carbohydrate (HFHPVLC) diet. PATIENTS AND METHODS: A total of 196 consecutive FDG PET-CT scans with 72-hour HFHPVLC diet preparation were performed between December 2014 and December 2015 in known sarcoid patients. Of these scans, 5 were excluded for non-adherence to diet preparation or underlying cancer...
July 5, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28680814/tacorin-an-extract-from-ananas-comosus-stem-stimulates-wound-healing-by-modulating-the-expression-of-tumor-necrosis-factor-%C3%AE-transforming-growth-factor-%C3%AE-and-matrix-metalloproteinase-2
#19
Puji Rahayu, Lia Agustina, Raymond R Tjandrawinata
Wound healing is a complex biological process that involves integration of hemostasis, inflammation, proliferation and tissue remodeling. An extract of pineapple (Ananas comosus) stem demonstrates several therapeutics properties, including acceleration of wound healing. Tacorin is a water crude extract derived from the stem of A. comosus with high protein content. The effect of tacorin on wound healing in vivo was examined using rats with an induced injury. Wound closure was faster with tacorin treatment than in the untreated group...
July 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28679554/protein-supplements-after-weight-loss-do-not-improve-weight-maintenance-compared-with-recommended-dietary-protein-intake-despite-beneficial-effects-on-appetite-sensation-and-energy-expenditure-a-randomized-controlled-double-blinded-trial
#20
Louise Kjølbæk, Lone Brinkmann Sørensen, Nadja Buus Søndertoft, Carrie Klestrup Rasmussen, Janne Kunchel Lorenzen, Anja Serena, Arne Astrup, Lesli Hingstrup Larsen
Background: High-protein diets increase weight loss (WL) during energy restriction; therefore, it has been suggested that additional protein intake may improve weight maintenance (WM) after WL.Objective: We investigated the effect of protein supplements from either whey with or without calcium or soy on WM success after WL compared with that of a control.Design: In a randomized, controlled, double-blinded trial, 220 participants aged 18-60 y with body mass index (in kg/m(2)) from 27.6 to 40.4 were included...
July 5, 2017: American Journal of Clinical Nutrition
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