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https://www.readbyqxmd.com/read/29904971/a-subset-of-walnut-allergic-adults-is-sensitized-to-walnut-11s-globulin-jug-r-4
#1
Mark A Blankestijn, Constance F den Hartog Jager, W Marty Blom, Henny G Otten, G Aard H de Jong, Marco Gaspari, Geert F Houben, André C Knulst, Kitty C M Verhoeckx
BACKGROUND: The role of sensitization to commercially available allergens of English walnut (Juglans regia) Jug r 1, 2 and 3 in walnut allergy has been previously investigated in walnut allergic adults and was unable to explain allcases of walnut allergy. OBJECTIVES: Identify recognized walnut allergens, other than the ones previously investigated (Jug r 1-3), in walnut allergic adults and determine the sensitization frequency and diagnostic value. METHODS: Three different in-house walnut extracts were prepared and analysed on SDS-PAGE blots to identify allergenic walnut proteins...
June 15, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29904634/dietary-walnuts-protect-against-obesity-driven-intestinal-stem-cell-decline-and-tumorigenesis
#2
Fangxia Guan, Tahmineh Tabrizian, Ardijana Novaj, Masako Nakanishi, Daniel W Rosenberg, Derek M Huffman
Obesity can negatively impact intestinal homeostasis, and increase colon cancer risk and related mortality. Thus, given the alarmingly high rates of obesity in the US and globally, it is critical to identify practical strategies that can break the obesity-cancer link. Walnuts have been increasingly recognized to mitigate cancer risk, and contain many bioactive constituents with antioxidant and anti-inflammatory properties that could potentially counteract pathways thought to be initiators of obesity-related cancer...
2018: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29888134/the-mitochondrial-genomes-of-two-walnut-pests-gastrolina-depressa-depressa-and-g-depressa-thoracica-coleoptera-chrysomelidae-and-phylogenetic-analyses
#3
Qiqi Wang, Guanghui Tang
In this study, the mitochondrial genomes (mitogenomes) of two walnut leaf insect pests, Gastrolina depressa depressa and G . depressa thoracica , were sequenced by Sanger sequencing technology. The mitogenome of G . depressa thoracica was complete at 16,109 bp in length, while the mitogenome of G . depressa depressa (14,277 bp) was partial. The genomic analyses indicated that both mitogenomes have the typical gene content and arrangement. The formerly identified elements, 'TAGTA' between trnSer ( UCN ) and nad2 , and 'ATGATAA' between atp8 and atp6 , were more conserved than that between nad4L and nad4 , which was 'ATGTTAA' in Coleoptera excluding Polyphaga...
2018: PeerJ
https://www.readbyqxmd.com/read/29865169/mastication-of-nuts-under-realistic-eating-conditions-implications-for-energy-balance
#4
Breanna M McArthur, Richard D Mattes, Robert V Considine
The low digestibility and high satiety effects of nuts have been partly attributed to mastication. This work examines chewing forces and the bolus particle size of nuts (walnuts, almonds, pistachios) varying in physical properties under different conditions (with and without water, juice, sweetened yogurt and plain yogurt) along with satiety sensations and gut hormone concentrations following walnut consumption (whole or butter). In a randomized, cross-over design with 50 adults (25 males, 25 females; Body Mass Index (BMI) 24...
June 1, 2018: Nutrients
https://www.readbyqxmd.com/read/29850910/variations-in-xylem-embolism-susceptibility-under-drought-between-intact-saplings-of-three-walnut-species
#5
Thorsten Knipfer, Felipe H Barrios-Masias, Italo F Cuneo, Martin Bouda, Caetano P Albuquerque, Craig R Brodersen, Daniel A Kluepfel, Andrew J McElrone
A germplasm collection containing varied Juglans genotypes holds potential to improve drought resistance of plant materials for commercial production. We used X-ray computed microtomography to evaluate stem xylem embolism susceptibility/repair in relation to vessel anatomical features (size, arrangement, connectivity and pit characteristics) in 2-year-old saplings of three Juglans species. In vivo analysis revealed interspecific variations in embolism susceptibility among Juglans microcarpa, J. hindsii (both native to arid habitats) and J...
May 30, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29807072/efficient-selenocysteine-dependent-reduction-of-toxoflavin-by-mammalian-thioredoxin-reductase
#6
Radosveta Gencheva, Qing Cheng, Elias S J Arnér
BACKGROUND: Toxoflavin (1,6-dimethylpyrimido[5,4-e][1,2,4]triazine-5,7-dione; xanthothricin) is a well-known natural toxin of the pyrimidinetriazinedione type that redox cycles with oxygen under reducing conditions. In mammalian systems, toxoflavin is an inhibitor of Wnt signaling as well as of SIRT1 and SIRT2 activities, but other molecular targets in mammalian cells have been scarcely studied. Interestingly, in a library of nearly 400,000 compounds (PubChem assay ID 588456), toxoflavin was identified as one out of only 56 potential substrates of the mammalian selenoprotein thioredoxin reductase 1 (TrxR1, TXNRD1)...
May 25, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29792315/genomic-variation-among-and-within-six-juglans-species
#7
Kristian A Stevens, Keith Woeste, Sandeep Chakraborty, Marc W Crepeau, Charles A Leslie, Pedro J Martínez-García, Daniela Puiu, Jeanne Romero-Severson, Mark Coggeshall, Abhaya M Dandekar, Daniel Kluepfel, David B Neale, Steven L Salzberg, Charles H Langley
Genomic analysis in Juglans (walnuts) is expected to transform the breeding and agricultural production of both nuts and lumber. To that end, we report here the determination of reference sequences for six additional relatives of Juglans regia : Juglans sigillata (also from section Dioscaryon ), Juglans nigra , Juglans microcarpa, Juglans hindsii (from section Rhysocaryon ) , Juglans cathayensis (from section Cardiocaryon ), and the closely related Pterocarya stenoptera. While these are 'draft' genomes, ranging in size between 640Mbp and 990Mbp, their contiguities and accuracies can support powerful annotations of genomic variation that are often the foundation of new avenues of research and breeding...
May 23, 2018: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29772800/identification-and-expression-of-mirnas-related-to-female-flower-induction-in-walnut-juglans-regia-l
#8
Li Zhou, Shaowen Quan, Hang Xu, Li Ma, Jianxin Niu
Flower induction is an essential stage in walnut ( Juglans regia L.) trees, directly affecting yield, yield stability, fruit quality and commodity value. The objective of this study was to identify miRNAs related to female flower induction via high-throughput sequencing and bioinformatics analysis. A total of 123 miRNAs were identified including 51 known miRNAs and 72 novel miRNAs. Differential expression was observed in 19 of the known miRNAs and 34 of the novel miRNAs. Twelve miRNAs were confirmed by RT-qPCR...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29772091/sensitisation-to-outdoor-and-indoor-fungi-in-atopic-dermatitis-patients-and-the-relation-to-the-occurrence-of-food-allergy-to-peanuts-and-walnuts
#9
J Čelakovská, J Bukač, K Ettler, J Vaneckova, K Ettlerova, J Krejsek
The aim of this study is the evaluation of the relation between the sensitisation to outdoor and indoor fungi and allergy to peanuts and walnuts in atopic dermatitis patients aged 14 years and older. The complete dermatological and allergological examinations were perfomed in all included patients; the occurrence of food allergy to peanuts and walnuts was recorded (specific IgE, skin prick test, history of allergic reaction) and the sensitisation to mixture of outdoor fungi and indoor fungi was examined (skin prick test, specific IgE)...
May 17, 2018: Mycoses
https://www.readbyqxmd.com/read/29769635/occurrence-of-tocopheryl-fatty-acid-esters-in-vegetables-and-their-non-digestibility-by-artificial-digestion-juices
#10
Stephanie Krauß, Vanessa Darwisch, Walter Vetter
Tocopheryl fatty acid esters (TFAE) consist of tocopherols esterified to fatty acids, but only little is known about this substance class. In this study, twelve vegetable groups were screened on TFAE and contents of (free) tocopherols and TFAE were determined in red bell pepper, red chili pepper, cucumber and walnut (n = 5, respectively). Intact TFAE were separated by solid phase extraction from free tocopherols and analyzed by GC/MS. Highest TFAE values were determined in chili pepper (4.0-16 mg/100 g fresh weight, FW) and walnut (4...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29762631/aqueous-extracts-of-walnut-juglans-regia-l-leaves-quantitative-analyses-of-hydroxycinnamic-and-chlorogenic-acids
#11
Anggy Lusanna Gutiérrez Ortiz, Federico Berti, Luciano Navarini, Paola Crisafulli, Silvia Colomban, Cristina Forzato
Identification of both hydroxycinnamic and chlorogenic acids present in aqueous extracts of walnut leaves (Juglans regia L.) were carried out by using, for the first time, standard compounds not commercially available for qualitative identification. In particular, in addition to caffeic, ferulic, p-coumaric and sinapic acids, cis and trans mono-caffeoylquinic, dicaffeoylquinic, mono-feruloylquinic and cis and trans mono-p-coumaroylquinic acid isomers were detected and quantified by Ultra High Pressure Liquid Chromatography and the seasonal variations of these secondary metabolites were investigated...
May 14, 2018: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/29751667/study-on-the-characteristics-of-walnut-shell-co-pes-co-pa-powder-produced-by-selective-laser-sintering
#12
Yueqiang Yu, Yanling Guo, Ting Jiang, Jian Li, Kaiyi Jiang, Hui Zhang, Yu Zhuang
Agricultural and forestry wastes are used as materials for selective laser sintering (SLS) to alleviate resource shortage, reduce the pollution of the environment, lower the cost of materials, and improve the accuracy of parts produced by SLS. However, the mechanical properties of wood⁻plastic parts are poor, and thus they cannot be applied widely. In order to improve the mechanical properties of wood⁻plastic parts, a new type of walnut shell polymer composite (WSPC) was prepared by a polymer mixing method and was used to produce parts via SLS...
May 11, 2018: Materials
https://www.readbyqxmd.com/read/29747747/tiger-nut-and-walnut-extracts-modulate-extracellular-metabolism-of-atp-and-adenosine-through-the-nos-cgmp-pkg-signalling-pathway-in-kidney-slices
#13
Ayodeji A Olabiyi, Fabiano B Carvalho, Nathieli B Bottari, Vera M Morsch, Ademir F Morel, Ganiyu Oboh, Maria Rosa Schetinger
BACKGROUND: Tiger nut (Cyperus esculentus L.) and walnut (Tetracarpidium conophorum Müll. Arg.) have been reportedly used in the treatment of inflammatory diseases such as atherosclerosis, prevent heart attack and improve blood circulation, reduce serum cholesterol level as well as inhibit oxidation reactions. PURPOSE: This study investigated the effect of tiger nut and walnut hydro-alcoholic extracts on extracellular metabolism of ATP through the NOS/cGMP/PKG signaling pathway induced by Nω-nitro-L-arginine methyl ester hydrochloride (L-NAME) in kidney slices...
April 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29744610/walnut-phenolic-extract-inhibits-nuclear-factor-kappab-signaling-in-intestinal-epithelial-cells-and-ameliorates-experimental-colitis-and-colitis-associated-colon-cancer-in-mice
#14
Seong-Joon Koh, Youn-I Choi, Yuri Kim, Yoo-Sun Kim, Sang Woon Choi, Ji Won Kim, Byeong Gwan Kim, Kook Lae Lee
PURPOSE: Walnuts (Juglans regia) are known to have anti-cancer and immunomodulatory effects. However, little information is available on the effects of walnut phenolic extract (WPE) on intestinal inflammation and colitis-associated colon cancer. METHODS: COLO205 cells were pretreated with WPE and then stimulated with tumor necrosis factor (TNF)-α. In the acute colitis model, wild type mice (C57BL/6) were administered 4% dextran sulfate sodium (DSS) for 5 days. In the chronic colitis model, interleukin (IL)-10-/- mice were administered with either the vehicle or WPE (20 mg/kg) by oral gavage daily for 2 weeks...
May 9, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29740695/metabolic-influence-of-walnut-phenolic-extract-on-mitochondria-in-a-colon-cancer-stem-cell-model
#15
Jina Choi, Phil-Kyung Shin, Yuri Kim, Chang Pyo Hong, Sang-Woon Choi
PURPOSE: Walnut phenolic extract (WPE) reduces proliferation and enhances differentiation of colon cancer stem cells (CSCs). The present study investigated the metabolic influence of WPE on the mitochondrial function of colon CSCs to determine its underlying mechanism. METHODS: CD133+ CD44+ HCT116 colon cancer cells were selected by fluorescence-activated cell sorting and were treated with or without 40 µg/mL WPE. RNA-sequencing (RNA-Seq) was performed to identify differentially expressed genes (DEGs), which were further validated with RT-PCR...
May 8, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29735072/characterization-of-virgin-walnut-oils-and-their-residual-cakes-produced-from-different-varieties
#16
Rosa M Ojeda-Amador, María Desamparados Salvador, Sergio Gómez-Alonso, Giuseppe Fregapane
This study addresses the composition and properties of different walnut varieties (Chandler, Hartley and Lara), in particular their virgin oils and residual cakes obtained by screw pressing employing different cultivars. Among nuts, walnut (Juglans regia L.) exhibits interesting nutritional value, mainly due to their high content in linoleic acid, phenolic and tocopherol compounds, which show antioxidant and other healthy properties. Valuable results related to fatty acid profile and minor components were observed...
June 2018: Food Research International
https://www.readbyqxmd.com/read/29732295/self-reported-prevalence-of-clinical-features-of-allergy-to-nuts-and-seeds-and-seafood-in-university-students
#17
Ma Victoria Domínguez-García, Miriam V Flores-Merino, Cecilia Puente-Fernández, Jaime Morales-Romero, Martín Bedolla-Barajas
Background: In developing countries, there is a lack of epidemiological information related to food hypersensitivity, including nuts and seafood. Objective: The aim was to determine the prevalence of allergic reactions and clinical manifestations associated with the consumption of nuts and seeds or seafood in university students. Methods: We designed an observational cross-sectional study. A structured questionnaire was applied to Mexican university students to identify allergic reactions associated with the consumption of nuts and seeds, and seafood...
April 2018: Asia Pacific Allergy
https://www.readbyqxmd.com/read/29726951/walnut-consumption-alters-the-gastrointestinal-microbiota-microbially-derived-secondary-bile-acids-and-health-markers-in-healthy-adults-a-randomized-controlled-trial
#18
Hannah D Holscher, Heather M Guetterman, Kelly S Swanson, Ruopeng An, Nirupa R Matthan, Alice H Lichtenstein, Janet A Novotny, David J Baer
Background: Epidemiologic data suggest that diets rich in nuts have beneficial health effects, including reducing total and cause-specific mortality from cancer and heart disease. Although there is accumulating preclinical evidence that walnuts beneficially affect the gastrointestinal microbiota and gut and metabolic health, these relations have not been investigated in humans. Objective: We aimed to assess the impact of walnut consumption on the human gastrointestinal microbiota and metabolic markers of health...
May 3, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29720929/antioxidant-effects-of-compound-walnut-oil-capsule-in-mice-aging-model-induced-by-d-galactose
#19
Huandong Zhao, Jian Li, Juan Zhao, Yang Chen, Caiping Ren, Yuxiang Chen
Background: Many plant original foods have been shown beneficial effects in humans. In the previous work, we have developed a compound capsule which contains major constituents of walnut oil and grape seed extract. Objective: To investigate the antioxidant effects of the Compound Walnut Oil Capsule (WOC) in aging model induced by D-gal. Design: 70 C57BL/6J mice were randomly divided into seven groups. Mice in normal group received daily subcutaneous injection of saline while the control group, WOC groups, Vitamin C (VC) group and pure walnut oil group received daily subcutaneous injection of D-galactose (D-gal) for 8 weeks...
2018: Food & Nutrition Research
https://www.readbyqxmd.com/read/29719144/a-rapid-onsite-ultrasensitive-melamine-quantitation-method-for-protein-beverages-using-time-resolved-fluorescence-detection-paper
#20
Guanghua Li, Du Wang, Aijun Zhou, Yimin Sun, Qi Zhang, Amnart Poapolathep, Li Zhang, Zhiyong Fan, Zhaowei Zhang, Peiwu Li
To ensure protein beverage safety and prevent illegal melamine use to artificially increase protein content, a rapid, onsite, ultrasensitive detection method for melamine must be developed because melamine is detrimental to human health and life. Herein, an ultrasensitive time-resolved fluorescence detection paper (TFDP) was developed to detect melamine in protein beverages within 15 min using a one-step sample preparation. The lower limits of detection were 0.89, 0.94, and 1.05 ng/mL, and the linear ranges were 2...
May 2, 2018: Journal of Agricultural and Food Chemistry
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