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https://www.readbyqxmd.com/read/29350021/bodybuilding-protein-supplements-and-cow-s-milk-allergy-in-adult
#1
M J C S Sousa, A L Reis Ferreira, J P Moreira da Silva
We report a case of a previously healthy 24-year-old man with a 3-month history of gastrointestinal symptoms during exercise and also few minutes after the ingestion of cow's milk (CM) without exercise. He reported the ingestion of a blend of hydrolyzed whey and casein proteins for bodybuilding for the last 2 years. The in vivo tests showed positivity to CM, α-lactalbumin, β-lactoglobulin and casein extracts, and also to the protein supplement. The serum specific IgE was positive for CM, β-lactoglobulin and α-lactalbumin...
January 2018: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29343571/casein-kinase-1%C3%AE-mediates-degradation-of-receptors-for-type-i-and-type-ii-interferons-caused-by-hemagglutinin-of-influenza-a-virus
#2
Chuan Xia, Jennifer J Wolf, Madhuvanthi Vijayan, Caleb J Studstill, Wenjun Ma, Bumsuk Hahm
Although influenza A virus (IAV) evades cellular defense systems to effectively propagate in the host, the viral immune evasive mechanisms are incompletely understood. Our recent data showed that hemagglutinin (HA) of IAV induces degradation of type I IFN receptor 1 (IFNAR1). Here, we demonstrate that IAV HA induces degradation of type II IFN (IFN-γ) receptor 1 (IFNGR1) as well as IFNAR1 via casein kinase 1α (CK1α), resulting in the impairment of cellular responsiveness to both type I and II IFNs. IAV infection or transient HA expression induced degradation of both IFNGR1 and IFNAR1, whereas HA gene-deficient IAV failed to downregulate the receptors...
January 17, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29341193/impact-of-trans-fats-on-heat-shock-protein-expression-and-the-gut-microbiota-profile-of-mice
#3
Gessika Cristina Borges Castro Carvalho, Carolina Soares Moura, Aline Rissetti Roquetto, Daniel Barrera-Arellano, Aureo Tatsumi Yamada, Andrey Dos Santos, Mário José Abdalla Saad, Jaime Amaya-Farfan
Partially hydrogenated oils are known to cause metabolic stress and dyslipidemia. This paper explores a new dimension about the interaction between dietary trans-fats and the defense heat-shock protein (HSP) system, inflammation, and the gut microbiota of mice consuming a hyperlipidic diet containing partially hydrogenated vegetable oil free of animal fat. Five diet groups were installed: control diet, 2 hyperlipidic-partially hydrogenated-oil diets, each containing either casein or whey-protein hydrolysate (WPH) as protein source, and 2 consuming hyperlipidic-unhydrogenated-oil diets containing either WPH or casein as a protein source...
January 17, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29339117/expression-activation-and-processing-of-a-novel-plant-milk-clotting-aspartic-protease-in-pichia-pastoris
#4
Lucía Feijoo-Siota, José Luis R Rama, Angeles Sánchez-Pérez, Tomás G Villa
Galium verum, also known as Lady's Bedstraw or Cheese Rennet, is a herbaceous perennial plant traditionally used in cheese-making. We used RACE PCR to isolate novel enzymes from Galium verum with the ability to clot milk. This approach generated two cDNA sequences (named preprogaline A and B) encoding proteins displaying the typical plant aspartic protease primary structure. Preprogaline B was expressed in the yeast Pichia pastoris, after deleting and replacing its original signal peptide with the yeast α-factor signal peptide from Saccharomyces cerevisiae...
January 12, 2018: Journal of Biotechnology
https://www.readbyqxmd.com/read/29333852/synthesis-of-mip-nanoparticles-for-%C3%AE-casein-detection-using-spr-as-a-milk-allergen-sensor
#5
Jon Ashley, Yunus Shukor, Roberta D'Aurelio, Linda Trinh, Thomas Lawrence Rodgers, Jeff Temblay, Mike Pleasants, Ibtisam E Tothill
Food recalls due to undeclared allergens or contamination are costly to the food manufacturing industry worldwide. As the industry strives for better manufacturing efficiencies over a diverse range of food products, there is a need for the development of new analytical techniques to improve monitoring the presence of unintended food allergens during the food manufacturing process. In particular, the monitoring of wash samples from cleaning in place systems (CIP), used in the cleaning of food processing equipment, would allow for the effective removal of allergen containing ingredients in between food batches...
January 15, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29331472/influence-of-partially-demineralized-milk-proteins-on-rheological-properties-and-microstructure-of-acid-gels
#6
G H Meletharayil, H A Patel, L E Metzger, C Marella, T Huppertz
Innovative clean label processes employed in the manufacture of acid gels are targeted to modify the structure of proteins that contribute to rheological properties. In the present study, CO2-treated milk protein concentrate powder with 80% protein in dry matter (TMPC80) was mixed with nonfat dry milk (NDM) in different ratios for the manufacture of acid gels. Dispersions of NDM and TMPC80 that provided 100, 90, 70, and 40% of protein from NDM were reconstituted to 4.0% (wt/wt) protein and 12.0% (wt/wt) total solids...
January 10, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29330702/ptac10-an-s1-domain-containing-component-of-the-transcriptionally-active-chromosome-complex-is-essential-for-plastid-gene-expression-in-arabidopsis-thaliana-and-is-phosphorylated-by-chloroplast-targeted-casein-kinase-ii
#7
Qing-Bo Yu, Tuan-Tuan Zhao, Lin-Shan Ye, Ling Cheng, Ying-Qian Wu, Chao Huang, Zhong-Nan Yang
In higher plant chloroplasts, the plastid-encoded RNA polymerase (PEP) consists of four catalytic subunits and numerous nuclear-encoded accessory proteins, including pTAC10, an S1-domain-containing protein. In this study, pTAC10 knockout lines were characterized. Two ptac10 mutants had an albino phenotype and severely impaired chloroplast development. The pTAC10 genomic sequence fused to a four-tandem MYC tag driven by its own promoter functionally complemented the ptac10-1 mutant phenotype. pTAC10 was present in both the chloroplast stroma and thylakoids...
January 12, 2018: Photosynthesis Research
https://www.readbyqxmd.com/read/29330500/integration-of-gwas-pathway-and-network-analyses-reveals-novel-mechanistic-insights-into-the-synthesis-of-milk-proteins-in-dairy-cows
#8
Sara Pegolo, Núria Mach, Yuliaxis Ramayo-Caldas, Stefano Schiavon, Giovanni Bittante, Alessio Cecchinato
The quantities and proportions of protein fractions have notable effects on the nutritional and technological value of milk. Although much is known about the effects of genetic variants on milk proteins, the complex relationships among the set of genes and pathways regulating the different protein fractions synthesis and secretion into milk in dairy cows are still not completely understood. We conducted genome-wide association studies (GWAS) for milk nitrogen fractions in a cohort of 1,011 Brown Swiss cows, which uncovered 170 significant single nucleotide polymorphism (SNPs), mostly located on BTA6 and BTA11...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329877/-attitudes-towards-cow-s-milk-protein-allergy-management-by-spanish-gastroenterologist
#9
Alicia Isabel Pascual Pérez, Alejandra Méndez Sánchez, Óscar Segarra Cantón, Beatriz Espin Jaime, Santiago Jiménez Treviño, Carlos Bousoño García, Juan José Díaz Martín
INTRODUCTION: Food allergy is an increasing health problem in the developed world. Cow's milk protein is the main cause of food allergy in infants. Without an appropriate diagnostic workup, there is a high risk of both over- and underdiagnosis and therefore, over and undertreatment. The objective of our study was to analyze the variability in cow's milk protein allergy (CMPA) management by pediatric gastroenterologists in Spain. METHODS: A fifty item questionnaire, including open and closed items in a Likert's scale from 0 to 5, was drafted and distributed through the Spanish Society for Pediatric Gastroenterology, Hepatology and Nutrition (SEGHNP) e-mail list...
January 9, 2018: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29328483/mir%C3%A2-98%C3%A2-5p-promotes-osteoblast-differentiation-in-mc3t3%C3%A2-e1-cells-by-targeting-ckip%C3%A2-1
#10
Qiliang Liu, Yong Guo, Yang Wang, Xianqiong Zou, Zhixiong Yan
Casein kinase 2-interacting protein 1 (CKIP-1) is a negative regulator for bone formation. Previously, using bioinformatics analysis, CKIP‑1 has been predicted to serve the role of target gene of miR‑98‑5p. In the present study, the potential role of miR‑98‑5p in regulating osteoblast differentiation through CKIP‑1 was investigated. Following pre‑treatment with microRNA (miR)‑98‑5p agomir or miR‑98‑5p antagomir, MC3T3‑E1 cells were cultured in an osteoinductive medium. Subsequently, the expression of miR‑98‑5p, CKIP‑1 and levels of osteoblast differentiation markers, including alkaline phosphatase, matrix mineralization, osteocaicin, collagen type I, runt‑related transcription factor 2 and osteopontin were assayed...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29326167/the-protein-kinase-ck2-substrate-jabba-modulates-lipid-metabolism-during-drosophila-oogenesis
#11
Emily A McMillan, Sheila M Longo, Michael D Smith, Sarah Broskin, Baicheng Lin, Nisha K Singh, Todd I Strochlic
Lipid metabolism plays a critical role in female reproduction. During oogenesis, maturing oocytes accumulate high levels of neutral lipids that are essential for both energy production and for the synthesis of other lipid molecules. Metabolic pathways within the ovary are partially regulated by protein kinases that link metabolic status to oocyte development. While the functions of several kinases in this process are well established, the roles that many other kinases play in coordinating metabolic state with female germ cell development are unknown...
January 11, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29323774/obesity-impairs-oligopeptide-amino-acid-induced-ghrelin-release-and-smooth-muscle-contractions-in-the-human-proximal-stomach
#12
L Vancleef, T Thijs, F Baert, L J Ceulemans, E Canovai, Q Wang, S Steensels, A Segers, R Farré, J Pirenne, M Lannoo, J Tack, I Depoortere
SCOPE: The satiation properties of proteins involve effects on gut peptide release and gastrointestinal motility which may be altered during obesity. This study compared the in vitro response and role of amino acid (AA) taste receptors (TASR) in the effect of AAs and a casein hydrolysate on ghrelin release and smooth muscle (SM) contractions in the proximal gut of lean and obese patients. METHODS AND RESULTS: Basal ghrelin release, measured from mucosal segments, was maximal in the fundus and decreased distally...
January 11, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29322315/effects-of-a-casein-hydrolysate-versus-intact-casein-on-gastric-emptying-and-amino-acid-responses
#13
Katy Horner, Elaine Drummond, Victoria O'Sullivan, Pedapati S C Sri Harsha, Lorraine Brennan
PURPOSE: Milk proteins and/or their hydrolysates have been reported to have beneficial effects for improving postprandial glycaemia. Gastric emptying is a major determinant of postprandial glycaemia, yet limited studies have examined the effects of intact milk proteins compared to hydrolysates on gastric emptying. We investigated gastric emptying of a casein hydrolysate compared to intact casein. METHODS: Nine overweight and obese adults (mean ± SD age: 59...
January 10, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29316237/administration-of-alphas1-casein-hydrolysate-increases-sleep-and-modulates-gabaa-receptor-subunit-expression
#14
Taddesse Yayeh, Yea-Hyun Leem, Kyung-Mi Kim, Jae-Chul Jung, Jessica Schwarz, Ki-Wan Oh, Seikwan Oh
Sleep is the most basic and essential physiological requirement for mental health, and sleep disorders pose potential risks of metabolic and neurodegenerative diseases. Tryptic hydrolysate of αS1-casein (αS1-CH) has been shown to possess stress relieving and sleep promoting effects. However, the differential effects of αS1-CH on electroencephalographic wave patterns and its effects on the protein levels of γ-aminobutyric acid A (GABAA) receptor subtypes in hypothalamic neurons are not well understood. We found αS1-CH (120, 240 mg/kg) increased sleep duration in mice and reduced sleep-wake cycle numbers in rats...
January 9, 2018: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29316210/fate-of-egg-proteins-during-the-development-of-columba-livia-domestica-embryo
#15
Seba Jamal Shbailat, Ibtisam Omar Aslan
The transfer of egg white into the yolk and consumption of yolk proteins by the embryo are largely unexplored in the pigeon Columba livia domestica. Here, we investigated the route of egg white transfer as well as the degradation and uptake of yolk proteins by the pigeon embryo. Initially, we tested the electrophoretic patterns of proteins in different egg compartments throughout development. Then, we used lysozyme as a reference protein to follow the egg white transfer, and we measured its activity using Micrococcus lysodeikticus as a substrate...
January 3, 2018: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/29314279/cow-s-milk-allergic-children-can-component-resolved-diagnostics-predict-duration-and-severity
#16
Thomas Houmann Petersen, Charlotte Gotthard Mortz, Carsten Bindslev-Jensen, Esben Eller
BACKGROUND: Cow's Milk Allergy (CMA) affects 2% of all children. This study investigates CRD to cow's milk proteins in children suspected for CMA, by correlating the level of CRD with outcome of the oral challenge. Furthermore, we evaluate the ability of serial CRD measurements to distinguish children with persistent CMA from children developing tolerance. METHODS: We included data from 78 children referred to the Allergy Centre during a 13 years period. Results from oral food challenges including threshold, severity and sensitization data (IgE antibodies to whole milk protein, IgE components towards milk and skin prick test (SPT)) were collected...
January 4, 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29300955/evolution-of-proteolytic-indicators-during-storage-of-broiler-wooden-breast-meat
#17
F Soglia, Z Zeng, J Gao, E Puolanne, C Cavani, M Petracci, P Ertbjerg
In the past few yr, an emerging muscle abnormality termed wooden breast (WB) was found to affect broilers' Pectoralis major muscles. Although different studies have been performed in order to evaluate the effect of WB on meat quality, there is no evidence concerning its impact on the proteolytic processes taking place during meat aging. Thus, this study aimed at investigating the effect of a 7-day storage of broiler breast fillets on free calcium concentration, calpain activity, and proteolysis. Both the superficial and the deep layers of the Pectoralis major muscles were considered...
December 29, 2017: Poultry Science
https://www.readbyqxmd.com/read/29299155/neuroprotection-by-aripiprazole-against-%C3%AE-amyloid-induced-toxicity-by-p-ck2%C3%AE-activation-via-inhibition-of-gsk-3%C3%AE
#18
So Youn Park, Hwa Kyoung Shin, Won Suk Lee, Sun Sik Bae, Koanhoi Kim, Ki Whan Hong, Chi Dae Kim
Psychosis is reported over 30% of patients with Alzheimer's disease (AD) in clinics. Aripiprazole is an atypical antipsychotic drug with partial agonist activity at the D2 dopamine and 5-HT1A receptors with low side-effect profile. We identified aripiprazole is able to overcome the amyloid-β (Aβ)-evoked neurotoxicity and then increase the cell viability. This study elucidated the mechanism(s) by which aripiprazole ameliorates Aβ1-42-induced decreased neurite outgrowth and viability in neuronal cells. Pretreatment with aripiprazole increased Brain-derived neurotrophic factor (BDNF) mRNA and protein expressions in N2a cells...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29297160/beneficial-protective-role-of-endogenous-lactic-acid-bacteria-against-mycotic-contamination-of-honeybee-beebread
#19
Irakli Janashia, Yvan Choiset, Damian Jozefiak, Franck Déniel, Emmanuel Coton, Ali Akbar Moosavi-Movahedi, Nina Chanishvili, Thomas Haertlé
The purpose of this article is to reveal the role of the lactic acid bacteria (LAB) in the beebread transformation/preservation, biochemical properties of 25 honeybee endogenous LAB strains, particularly: antifungal, proteolytic, and amylolytic activities putatively expressed in the beebread environment have been studied. Seventeen fungal strains isolated from beebread samples were identified and checked for their ability to grow on simulated beebread substrate (SBS) and then used to study mycotic propagation in the presence of LAB...
January 3, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29297078/effect-of-hydrolyzed-infant-formula-vs-conventional-formula-on-risk-of-type-1-diabetes-the-trigr-randomized-clinical-trial
#20
RANDOMIZED CONTROLLED TRIAL
Mikael Knip, Hans K Åkerblom, Eva Al Taji, Dorothy Becker, Jan Bruining, Luis Castano, Thomas Danne, Carine de Beaufort, Hans-Michael Dosch, John Dupre, William D Fraser, Neville Howard, Jorma Ilonen, Daniel Konrad, Olga Kordonouri, Jeffrey P Krischer, Margaret L Lawson, Johnny Ludvigsson, Laszlo Madacsy, Jeffrey L Mahon, Anne Ormisson, Jerry P Palmer, Paolo Pozzilli, Erkki Savilahti, Manuel Serrano-Rios, Marco Songini, Shayne Taback, Outi Vaarala, Neil H White, Suvi M Virtanen, Renata Wasikowa
Importance: Early exposure to complex dietary proteins may increase the risk of type 1 diabetes in children with genetic disease susceptibility. There are no intact proteins in extensively hydrolyzed formulas. Objective: To test the hypothesis that weaning to an extensively hydrolyzed formula decreases the cumulative incidence of type 1 diabetes in young children. Design, Setting, and Participants: An international double-blind randomized clinical trial of 2159 infants with human leukocyte antigen-conferred disease susceptibility and a first-degree relative with type 1 diabetes recruited from May 2002 to January 2007 in 78 study centers in 15 countries; 1081 were randomized to be weaned to the extensively hydrolyzed casein formula and 1078 to a conventional formula...
January 2, 2018: JAMA: the Journal of the American Medical Association
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