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https://www.readbyqxmd.com/read/29223351/ck2%C3%AE-promotes-advanced-glycation-end-products-induced-expressions-of-fibronectin-and-intercellular-adhesion-molecule-1-via-activating-mrtf-a-in-glomerular-mesangial-cells
#1
Zhiquan Chen, Qiuhong Chen, Junying Huang, Wenyan Gong, Yezi Zou, Lei Zhang, Peiqing Liu, Heqing Huang
Advanced glycation end products (AGEs) modification of extracellular matrix proteins induces crosslinking, which results in thickening of the basement membrane and activating several intracellular signaling cascades, eventually promoting the pathological progression of diabetic nephropathy (DN). We have previously confirmed that casein kinase 2α (CK2α) activates the nuclear factor of kappaB (NF-κB) signaling pathway to enhance high glucose-induced expressions of fibronectin (FN) and intercellular adhesion molecule-1 (ICAM-1) in glomerular mesangial cells (GMCs)...
December 6, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29222110/a-ck1-fret-biosensor-reveals-that-ddx3x-is-an-essential-activator-of-ck1%C3%AF%C2%B5
#2
Christine Dolde, Joachim Bischof, Simon Grüter, Anna Montada, Jakob Halekotte, Christian Peifer, Hubert Kalbacher, Ulrich Baumann, Uwe Knippschild, Beat Suter
Casein kinase 1 (CK1) plays central roles in various signal transduction pathways and performs many cellular activities. For a long time CK1 was thought to act independent of modulatory subunits and in a constitutive manner. Recently, DEAD box RNA helicases, in particular DEAD box RNA helicase 3 X-linked (DDX3X), were found to stimulate CK1 activity in vitro In order to observe CK1 activity in living cells and to study its interaction with DDX3X, we developed a CK1-specific FRET biosensor. This tool revealed that DDX3X is indeed required for full CK1 activity in living cells...
December 8, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/29221569/functional-analysis-of-the-igf-system-in-milk
#3
REVIEW
Andreas Hoeflich, Zianka Meyer
The development of milk during evolution is considered a more recent step to provide the neonate with adequate amounts of energy, nutrients, and specific hormonal signals thereby, granting a fast and efficient rate of postnatal growth and development. Since the insulin- or the insulin-like growth factor (IGF) systems were evolved much earlier, it can be assumed that the functionality of the IGF-system has been integrated into the novel matrix milk containing casein and whey proteins from the beginnings. In fact, IGFs and IGF-binding proteins (IGFBPs) are abundantly present in milk, which is particularly true for fore-milk or colostrum and the potential effects of milk-borne IGF-compounds on the consuming organisms have in fact been addressed by several studies...
August 2017: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29218776/is-the-consumption-of-snail-meat-actually-healthy-an-analysis-of-the-osteotropic-influence-of-snail-meat-as-a-sole-source-of-protein-in-growing-rats
#4
R P Radzki, M Bieńko, P Polak, K Szkucik, M Ziomek, M Ostapiuk, J Bieniaś
The study was aimed at determining the osteotropic effects of diets containing snail meat as a sole protein source. In our experiment, we tested three different diets incorporating snail meat originating from Helix pomatia (HP), Cornu.aspesa maxima (CAM) and Cornu.aspersum aspersum (CAA) and compared these to a control diet (CON) in which casein was the source of protein. In all diets, the protein content amounted to 10%, as calculated on a dry weight basis. In the study, forty male Wistar rats with an initial body mass of 50 ± 2 g were randomly placed within the control and three experimental groups...
December 7, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29216827/comparative-genomic-analysis-of-brevibacterium-strains-insights-into-key-genetic-determinants-involved-in-adaptation-to-the-cheese-habitat
#5
Nguyen-Phuong Pham, Séverine Layec, Eric Dugat-Bony, Marie Vidal, Françoise Irlinger, Christophe Monnet
BACKGROUND: Brevibacterium strains are widely used for the manufacturing of surface-ripened cheeses, contributing to the breakdown of lipids and proteins and producing volatile sulfur compounds and red-orange pigments. The objective of the present study was to perform comparative genomic analyses in order to better understand the mechanisms involved in their ability to grow on the cheese surface and the differences between the strains. RESULTS: The genomes of 23 Brevibacterium strains, including twelve strains isolated from cheeses, were compared for their gene repertoire involved in salt tolerance, iron acquisition, bacteriocin production and the ability to use the energy compounds present in cheeses...
December 7, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29216438/antiulcerative-activity-of-milk-proteins-hydrolysates
#6
Wilman Carrillo, Karin Maia Monteiro, Daniel Martínez-Maqueda, Mercedes Ramos, Isidra Recio, João Ernesto de Carvalho
Several studies have shown the protective effect of dairy products, especially α-lactalbumin and derived hydrolysates, against induced gastric ulcerative lesions. The mucus strengthening represents an important mechanism in the defense of gastrointestinal mucosa. Previously, a hydrolysate from casein (CNH) and a hydrolysate from whey protein concentrate rich in β-lactoglobulin (WPH) demonstrated a stimulatory activity on mucus production in intestinal goblet cells. The aim of this work was to evaluate the possible antiulcerative activity of these two hydrolysates in an ethanol-induced ulcer model in rats...
December 7, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29214461/co-ingestion-of-protein-or-a-protein-hydrolysate-with-carbohydrate-enhances-anabolic-signaling-but-not-glycogen-resynthesis-following-recovery-from-prolonged-aerobic-exercise-in-trained-cyclists
#7
Karl E Cogan, Mark Evans, Enzo Iuliano, Audrey Melvin, Davide Susta, Karl Neff, Giuseppe De Vito, Brendan Egan
PURPOSE: The effect of carbohydrate (CHO), or CHO supplemented with either sodium caseinate protein (CHO-C) or a sodium caseinate protein hydrolysate (CHO-H) on the recovery of skeletal muscle glycogen and anabolic signaling following prolonged aerobic exercise was determined in trained male cyclists [n = 11, mean ± SEM age 28.8 ± 2.3 years; body mass (BM) 75.0 ± 2.3 kg; VO2peak 61.3 ± 1.6 ml kg-1 min-1]. METHODS: On three separate occasions, participants cycled for 2 h at ~ 70% VO2peak followed by a 4-h recovery period...
December 6, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29214152/identification-of-candidate-casein-kinase-2-substrates-in-mitosis-by-quantitative-phosphoproteomics
#8
Scott F Rusin, Mark E Adamo, Arminja N Kettenbach
Protein phosphorylation is a crucial regulatory mechanism that controls many aspects of cellular signaling. Casein kinase 2 (CK2), a constitutively expressed and active kinase, plays key roles in an array of cellular events including transcription and translation, ribosome biogenesis, cell cycle progression, and apoptosis. CK2 is implicated in cancerous transformation and is a therapeutic target in anti-cancer therapy. The specific and selective CK2 ATP competitive inhibitor, CX-4945 (silmitaseratib), is currently in phase 2 clinical trials...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/29211281/effect-of-fluoride-dentifrice-and-casein-phosphopeptide-amorphous-calcium-phosphate-cream-with-and-without-fluoride-in-preventing-enamel-demineralization-in-a-ph-cyclic-study
#9
Priscila de Pinto Sinfiteli, Thereza Christina Lopes Coutinho, Patrícia Regina Almeida de Oliveira, Wesley Felisberto Vasques, Leandra Matos Azevedo, André Maues Brabo Pereira, Monica Almeida Tostes
OBJECTIVE: Casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) complexes are anticariogenic and capable of remineralizing the early stages of enamel lesions. The use of fluoride prevents dental decay and the association of CPP-ACP with fluoride can increase remineralization. To evaluate the effect of CPP-ACP and CPP-ACPF creams associated with a fluoride dentifrice to prevent enamel demineralization in a pH cyclic model. MATERIAL AND METHODS: Previously selected by surface microhardness (SH) analysis, human enamel blocks (n = 56) were submitted to daily treatment with dentifrice in a pH-cycling model...
November 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29211280/in-vitro-effect-of-amorphous-calcium-phosphate-paste-applied-for-extended-periods-of-time-on-enamel-remineralization
#10
Ana Elisa de Mello Vieira, Marcelle Danelon, Danielle Mendes da Camara, Eliana Rodrigues Rosselli, Stuart R Stock, Mark L Cannon, Xianghui Xiao, Francesco De Carlo, Alberto Carlos Botazzo Delbem
OBJECTIVES: Dental applications based on the unique characteristics of amorphous calcium phosphate stabilized by casein phosphopeptides (CPP-ACP) have been proposed, as well as the improvement of its properties. The objective of this study was to determine the ability of topically applied CPP-ACP from a commercial product to remineralize subsurface lesions when applied for extended periods of time (3 h and 8 h). MATERIAL AND METHODS: Artificially induced carious lesions were produced in 50 bovine enamel blocks previously selected by surface hardness...
November 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29209280/meloidogyne-incognita-fatty-acid-and-retinol-binding-protein-mi-far-1-affects-nematode-infection-of-plant-roots-and-the-attachment-of-pasteuria-penetrans-endospores
#11
Victor Phani, Tagginahalli N Shivakumara, Keith G Davies, Uma Rao
Root-knot nematode (RKN) Meloidogyne incognita is an economically important pest of crops. Pasteuria penetrans, is a nematode hyperparasitic bacterium capable of suppressing the reproduction of RKN and thereby useful for its management. Secreted fatty acid and retinol-binding proteins are unique in nematodes and are engaged in nutrient acquisition, development and reproduction; they are also a component of the nematode cuticle and thought to be involved in the interface between hosts and parasites. Attachment of endospores to the cuticle of second stage juveniles of RKN is the primary step of infection and several factors have been identified to facilitate attachment...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29207911/soybean-amplifies-the-hypohomocysteinemic-effect-of-betaine-and-improves-its-hypercholesterolemic-effect
#12
Ryoko Shimada, Kiyoshi Ebihara
We examined whether soybean (SB) and soy protein isolate (SPI) can prevent the betaine-induced elevation of plasma cholesterol as well as maintain the betaine-induced reduction of plasma Hcy concentration. Rats were fed casein-, SB-, or SPI-based diet with or without betaine; SPI-based diet with betaine containing soybean fiber (SF) or soy lecithin (SL) or the combination of SF and SL. Plasma Hcy concentration was decreased by feeding betaine to rats fed the casein-, SB-, and SPI-based diets. Betaine-induced elevation of plasma cholesterol was decreased by feeding the SB-based diet compared with the casein-based diet, but was not decreased by feeding the SPI-based diet...
December 6, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29206176/kisspeptin-10-induces-%C3%AE-casein-synthesis-via-gpr54-and-its-downstream-signaling-pathways-in-bovine-mammary-epithelial-cells
#13
Jianhua Sun, Juxiong Liu, Bingxu Huang, Xingchi Kan, Guangxin Chen, Wei Wang, Shoupeng Fu
Kisspeptins (Kps) play a key role in the regulation of GnRH axis and as an anti-metastasis agent by binding with GPR54. Recently, we observed that the expression of GPR54 was higher in the lactating mammary tissues of dairy cows with high-quality milk (0.81 ± 0.13 kg/day of milk protein yield; 1.07 ± 0.18 kg/day of milk fat yield) than in those with low-quality milk (0.51 ± 0.14 kg/day of milk protein yield; 0.67 ± 0.22 kg/day of milk fat yield). We hypothesized that Kp-10 might regulate the milk protein, β-casein (CSN2) synthesis via GPR54 and its downstream signaling...
December 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29204473/grafting-c8-c16-alkyl-groups-altered-the-self-assembly-and-curcumin-loading-properties-of-sodium-caseinate-in-water
#14
Yaqiong Zhang, Puyu Yang, Fangyi Yao, Jie Liu, Liangli Lucy Yu
The data presented here are related to the research article entitled "Synthesis and characterization of alkylated caseinate, and its structure-curcumin loading property relationship in water" (Zhang et al., 2018) [1]. This data article reports the detailed spectra information for 1H NMR, 13C NMR and UPLC-Q-TOF MS of the N-succinimidyl fatty acid esters with various alkyl chain lengths (Cn-NHSs, n = 8, 12, 14 and 16). 1H NMR, 13C NMR and UPLC-Q-TOF MS spectra for C16-NHS are shown as an example. Then the stacked 1H NMR spectra of the obtained alkylated caseinates (Cn-caseinates, n = 8, 12, 14 and 16) are provided...
February 2018: Data in Brief
https://www.readbyqxmd.com/read/29202920/target-selection-strategies-for-lc-ms-ms-food-allergen-methods
#15
Melanie L Downs, Philip Johnson
The detection and quantitation of allergens as contaminants in foods using MS is challenging largely due to the requirement to detect proteins in complex, mixed, and often processed matrixes. Such methods necessarily rely on the use of proteotypic peptides as indicators of the presence and amount of allergenic foods. These peptides should represent the allergenic food in question in such a way that their use is both sensitive (no false-negatives) and specific (no false-positives). Choosing such peptides to represent food allergens is beset with issues, including, but not limited to, separated ingredients (e...
December 5, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29202899/assessment-of-recovery-of-milk-protein-allergens-from-processed-food-for-mass-spectrometry-quantification
#16
Kate Groves, Adam Cryar, Michael Walker, Milena Quaglia
Assessing the recovery of food allergens from solid processed matrixes is one of the most difficult steps thatneeds to be overcome to enable the accurate quantification of protein allergens by immunoassay and MS. A feasibility study is described herein applying International System of Units (SI)-traceably quantified milk protein solutions to assess recovery by an improved extraction method. Untargeted MS analysis suggests that this novel extraction method can be further developed to provide high recoveries for a broad range of food allergens...
December 5, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29202889/rapid-protein-disappearance-rates-along-the-small-intestine-advantage-poultry-performance-and-influence-the-post-enteral-availability-of-amino-acids
#17
Ha H Truong, Peter V Chrystal, Amy F Moss, Peter H Selle, Sonia Yun Liu
A foundation diet, an intermediate blend and a summit diet were formulated with different levels of soyabean meal, casein and crystalline amino acids to compare 'slow' and 'rapid' protein diets. The diets were offered to male Ross 308 chicks from 7 to 28 d post-hatch and assessed parameters included growth performance, nutrient utilisation, apparent digestibility coefficients and disappearance rates of starch and protein (N) in four small intestinal segments. Digestibility coefficients and disappearance rates of sixteen amino acids in three small intestinal segments and amino acid concentrations in plasma from portal and systemic circulations from the foundation and summit diets were determined...
December 5, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29195973/microstructure-and-physicochemical-properties-reveal-differences-between-high-moisture-buffalo-and-bovine-mozzarella-cheeses
#18
Hanh T H Nguyen, Lydia Ong, Christelle Lopez, Sandra E Kentish, Sally L Gras
Mozzarella cheese is a classical dairy product but most research to date has focused on low moisture products. In this study, the microstructure and physicochemical properties of both laboratory and commercially produced high moisture buffalo Mozzarella cheeses were investigated and compared to high moisture bovine products. Buffalo and bovine Mozzarella cheeses were found to significantly differ in their microstructure, chemical composition, organic acid and proteolytic profiles but had similar hardness and meltability...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29195966/thermal-stability-of-reconstituted-milk-protein-concentrates-effect-of-partial-calcium-depletion-during-membrane-filtration
#19
H Eshpari, R Jimenez-Flores, P S Tong, M Corredig
Milk protein concentrate (MPC) powders are increasingly utilized in manufacturing of protein fortified beverages. Thermal stability of the protein dispersions is of significant importance in such applications. It is known that a decrease in pH can induce partial dissociation of casein micelles and modify the natural equilibrium of calcium and phosphate between the micelles and the serum phase. The presence of soluble casein may improve the rehydration properties of MPC powders, and may impact their thermal stability...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29195960/formulation-and-characterization-of-o-w-nanoemulsions-encapsulating-high-concentration-of-astaxanthin
#20
Nauman Khalid, Gaofeng Shu, Brenden J Holland, Isao Kobayashi, Mitsutoshi Nakajima, Colin J Barrow
This study evaluates the effect of modified lecithin (ML) and sodium caseinate (SC) on the formulation, stability and bioaccessibility of astaxanthin (AXT) loaded oil-in-water (O/W) nanoemulsions. These nanoemulsions were formulated using high-pressure homogenization in four passes at 100MPa. The volume mean diameter (d4,3) of nanoemulsions produced by ML and SC were 163±5 and 144±12 nm, respectively. The physiochemical stability of nanoemulsions was recorded at 25°C. The nanoemulsions prepared by ML were stable for 30 minutes against a wide range of pH and heating temperatures (60-120 °C)...
December 2017: Food Research International
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