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https://www.readbyqxmd.com/read/28524834/wild-type-p53-induced-phosphatase-1-deficiency-exacerbates-myocardial-infarction-induced-ischemic-injury
#1
Ke-Mei Liu, Hai-Hong Zhang, Ya-Nan Wang, Lian-Mei Wang, Hong-Yu Chen, Cai-Feng Long, Lian-Feng Zhang, Hong-Bing Zhang, Hong-Bing Yan
BACKGROUND: Myocardial infarction (MI) is a major disease burden. Wild-type p53-induced phosphatase 1 (Wip1) has been studied extensively in the context of cancer and the regulation of different types of stem cells, but the role of Wip1 in cardiac adaptation to MI is unknown. We investigated the significance of Wip1 in a mouse model of MI. METHODS: The study began in June 2014 and was completed in July 2016. We compared Wip1-knockout (Wip1-KO) mice and wild-type (WT) mice to determine changes in cardiac function and survival in response to MI...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28521959/cancer-cell-death-induced-by-nanomagnetolectin
#2
Dina M M AlSadek, Haitham A Badr, Tamer A Al-Shafie, Sabry M El-Bahr, Motawa E El-Houseini, Leyla B Djansugurova, Chen-Zhong Li, Hafiz Ahmed
Magnetic nanoparticles represent a new paradigm for molecular targeting therapy in cancer. However, the transformative targeting potential of magnetic nanoparticles has been stymied by a key obstacle-safe delivery to specified target cells in vivo. As cancer cells grow under nutrient deprivation and hypoxic conditions and decorate cell surface with excessive sialoglycans, sialic acid binding lectins might be suitable for targeting cancer cells in vivo. Here we explore the potential of magnetic nanoparticles functionalized with wheat germ lectin (WGA) conjugate, so-called nanomagnetolectin, as apoptotic targetable agents for prostate cancer...
May 10, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28472984/rhinovirus-c-targets-ciliated-airway-epithelial-cells
#3
Theodor F Griggs, Yury A Bochkov, Sarmila Basnet, Thomas R Pasic, Rebecca A Brockman-Schneider, Ann C Palmenberg, James E Gern
BACKGROUND: The Rhinovirus C (RV-C), first identified in 2006, produce high symptom burdens in children and asthmatics, however, their primary target host cell in the airways remains unknown. Our primary hypotheses were that RV-C target ciliated airway epithelial cells (AECs), and that cell specificity is determined by restricted and high expression of the only known RV-C cell-entry factor, cadherin related family member 3 (CDHR3). METHODS: RV-C15 (C15) infection in differentiated human bronchial epithelial cell (HBEC) cultures was assessed using immunofluorescent and time-lapse epifluorescent imaging...
May 4, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28444133/increased-collagen-within-the-transverse-tubules-in-human-heart-failure
#4
David J Crossman, Xin Shen, Mia Jüllig, Michelle Munro, Yufeng Hou, Martin Middleditch, Darshan Shrestha, Amy Li, Sean Lal, Cristobal G Dos Remedios, David Baddeley, Peter N Ruygrok, Christian Soeller
Aims: In heart failure transverse-tubule (t-tubule) remodelling disrupts calcium release, and contraction. T-tubules in human failing hearts exhibit increased labelling by wheat germ agglutinin (WGA), a lectin that binds to the dystrophin-associated glycoprotein complex. We hypothesized changes in this complex may explain the increased WGA labelling and contribute to t-tubule remodelling in the failing human heart. In this study we sought to identify the molecules responsible for this increased WGA labelling...
April 20, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28422419/carbohydrate-analog-microarrays-for-identification-of-lectin-selective-ligands
#5
Injae Shin, Ji Young Hyun, Cheol Wan Park, Yanna Liu, Daeun Kwon, Seong-Hyun Park, Sungjin Park, Jaeyoung Pai
Fifty five mono- and disaccharide analogs were prepared and used for construction of microarrays to uncover lectin-selective ligands. The microarray study shows that two disaccharide analogs, 28' and 44', selectively bind to S. tuberosum lectin (STL) and wheat germ agglutinin (WGA), respectively. The results of cell studies also indicate that 28' and 44' selectively block binding of STL and WGA to mammalian cells unlike a natural ligand LacNAc that suppresses binding of both STL and WGA to cells.
April 19, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28417422/selection-of-an-artificial-diet-for-laboratory-rearing-of-opogona-sacchari-lepidoptera-tineidae-bojer-1856
#6
A Coelho, J M Milanez, R de Andrade Moral, C G B Demétrio, J R P Parra
The banana moth Opogona sacchari (Bojer) (Lepidoptera: Tineidae) is a polyphagous pest that can cause serious damage, in particular to banana crops in southern Brazil. The insect is a quarantine pest in several countries, including Argentina, the main consumer market for bananas from southern Brazil. Little information is available about the biology and ecology of this moth, such as a suitable diet for laboratory rearing. In order to provide support for integrated pest management of the pest, this study furnished data for selecting two diets suitable for continuous laboratory rearing of O...
April 17, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28398642/wga-alexa-conjugates-for-axonal-tracing
#7
Sabrina L Levy, Joshua J White, Elizabeth P Lackey, Lindsey Schwartz, Roy V Sillitoe
Anatomical labeling approaches are essential for understanding brain organization. Among these approaches are various methods of performing tract tracing. However, a major hurdle to overcome when marking neurons in vivo is visibility. Poor visibility makes it challenging to image a desired neuronal pathway so that it can be easily differentiated from a closely neighboring pathway. As a result, it becomes impossible to analyze individual projections or their connections. The tracer that is chosen for a given purpose has a major influence on the quality of the tracing...
April 10, 2017: Current Protocols in Neuroscience
https://www.readbyqxmd.com/read/28391698/pegylated-nanoemulsions-for-oral-delivery-role-of-the-inner-core-on-the-final-fate-of-the-formulation
#8
M J Santander-Ortega, M Plaza-Oliver, V Rodríguez-Robledo, L Castro-Vázquez, N Villaseca-González, J González-Fuentes, E L Cano, P Marcos, M V Lozano, M M Arroyo-Jiménez
Since the past decade, there has been growing interest to grant nanoparticles with diffusion properties across mucosae. In this sense, the nonionic block copolymer Pluronic F127 (PF127) has emerged as a promising coating agent to formulate mucus-penetrating particles. In the journey to find efficient coating agents, researchers have focused more on the effect of the coating agent architecture rather than on the role of the physicochemical properties of the nanoparticle used as the substrate. The current knowledge about mucodiffusive particles is in general based on model-like nanoparticles, such as polystyrene or poly(lactic-co-glycolic) acid nanoparticles, but there is a lack of information about the potential of PF127 on other colloidal systems...
April 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28380544/digestion-and-nitrogen-balance-using-swine-diets-containing-increasing-proportions-of-coproduct-ingredients-and-formulated-using-the-net-energy-system
#9
J A Acosta, R D Boyd, J F Patience
Rising feed expenditures demand that our industry pursues strategies to lower the cost of production. One option is the adoption of the NE system, although many producers are hesitant to proceed without proof that NE estimates are reliable. The objective of this experiment was to compare the apparent total tract digestibility (ATTD) of energy and nutrients and the N retention (NR) of diets formulated using the NE system with increasing quantities of coproduct ingredients. The 5 dietary treatments included a control corn-soybean meal diet (CTL); the CTL plus 6% each of corn distiller's dried grains with solubles (DDGS), corn germ meal, and wheat middlings and NE equal to the CTL by adding soybean oil (CONS-18); the CONS-18 diet, without oil added, with NE content lower than the CTL (DECL-18); the CTL plus 12% each of corn DDGS, corn germ meal, and wheat middlings and NE equal to the CTL by adding soybean oil (CONS-36); and the CONS-36 diet, without oil added, with NE content lower than the CTL (DECL-36)...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28378857/immunoscreening-of-plasmodium-falciparum-proteins-expressed-in-a-wheat-germ-cell-free-system-reveals-a-novel-malaria-vaccine-candidate
#10
Masayuki Morita, Eizo Takashima, Daisuke Ito, Kazutoyo Miura, Amporn Thongkukiatkul, Ababacar Diouf, Rick M Fairhurst, Mahamadou Diakite, Carole A Long, Motomi Torii, Takafumi Tsuboi
The number of malaria vaccine candidates in preclinical and clinical development is limited. To identify novel blood-stage malaria vaccine candidates, we constructed a library of 1,827P. falciparum proteins prepared using the wheat germ cell-free system (WGCFS). Also, a high-throughput AlphaScreen procedure was developed to measure antibody reactivity to the recombinant products. Purified IgGs from residents in malaria endemic areas have shown functional activity against blood-stage parasites as judged by an in vitro parasite Growth Inhibition Assay (GIA)...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28365703/in-vivo-imaging-of-the-cerebral-endothelial-glycocalyx-in-mice
#11
Jin-Hui Yoon, Eek-Sung Lee, Yong Jeong
BACKGROUND/AIMS: Endothelial glycocalyx refers to the proteoglycan or glycoprotein layer of vessel walls and has critical physiological functions. Cerebral glycocalyx may have additional functions considering the blood-brain barrier and other features. However, the assessment of it has only been performed ex vivo, which includes processes presumably damaging the glycocalyx layer. Here we visualize and characterize the cerebral endothelial glycocalyx in vivo. METHODS: We visualized and quantified the cerebral endothelial glycocalyx in vivo under a 2-photon microscope by tagging glycocalyx and vessel lumen with wheat germ agglutinin lectin and dextran, respectively...
2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28365442/loss-of-cln3-impacts-protein-secretion-in-the-social-amoeba-dictyostelium
#12
Robert J Huber
Neuronal ceroid lipofuscinosis (NCL), also referred to as Batten disease, is the most common form of childhood neurodegeneration. Mutations in CLN3 cause the most prevalent subtype of the disease, which manifests during early childhood and is currently untreatable. The precise function of the CLN3 protein is still not known, which has inhibited the development of targeted therapies. In the social amoeba Dictyostelium discoideum, loss of the CLN3 homolog, Cln3, reduces adhesion during early development, which delays streaming and aggregation...
March 29, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28359935/a-large-increase-of-sour-taste-receptor-cells-in-skn-1-deficient-mice-does-not-alter-the-number-of-their-sour-taste-signal-transmitting-gustatory-neurons
#13
Naohiro Maeda, Masataka Narukawa, Yoshiro Ishimaru, Kurumi Yamamoto, Takumi Misaka, Keiko Abe
The connections between taste receptor cells (TRCs) and innervating gustatory neurons are formed in a mutually dependent manner during development. To investigate whether a change in the ratio of cell types that compose taste buds influences the number of innervating gustatory neurons, we analyzed the proportion of gustatory neurons that transmit sour taste signals in adult Skn-1a(-/-) mice in which the number of sour TRCs is greatly increased. We generated polycystic kidney disease 1 like 3-wheat germ agglutinin (pkd1l3-WGA)/Skn-1a(+/+) and pkd1l3-WGA/Skn-1a(-/-) mice by crossing Skn-1a(-/-) mice and pkd1l3-WGA transgenic mice, in which neural pathways of sour taste signals can be visualized...
March 28, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28304151/cardiac-cell-proliferation-is-not-necessary-for-exercise-induced-cardiac-growth-but-required-for-its-protection-against-ischaemia-reperfusion-injury
#14
Yihua Bei, Siyi Fu, Xiangming Chen, Mei Chen, Qiulian Zhou, Pujiao Yu, Jianhua Yao, Hongbao Wang, Lin Che, Jiahong Xu, Junjie Xiao
The adult heart retains a limited ability to regenerate in response to injury. Although exercise can reduce cardiac ischaemia/reperfusion (I/R) injury, the relative contribution of cardiac cell proliferation including newly formed cardiomyocytes remains unclear. A 4-week swimming murine model was utilized to induce cardiac physiological growth. Simultaneously, the antineoplastic agent 5-fluorouracil (5-FU), which acts during the S phase of the cell cycle, was given to mice via intraperitoneal injections. Using EdU and Ki-67 immunolabelling, we showed that exercise-induced cardiac cell proliferation was blunted by 5-FU...
March 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28282148/alterations-in-the-salivary-proteome-and-n-glycome-of-sj%C3%A3-gren-s-syndrome-patients
#15
Steven C Hall, Maria E Hassis, Katherine E Williams, Matthew E Albertolle, Akraporn Prakobphol, Andrew B Dykstra, Megan Laurance, Katherine Ona, Richard K Niles, Namrata Prasad, Matthew Gormley, Caroline Shiboski, Lindsey A Criswell, H Ewa Witkowska, Susan J Fisher
We used isobaric mass tagging (iTRAQ) and lectin affinity capture mass spectrometry (MS)-based workflows for global analyses of parotid saliva (PS) and whole saliva (WS) samples obtained from patients diagnosed with primary Sjögren's Syndrome (pSS) who were enrolled in the Sjögren's International Collaborative Clinical Alliance (SICCA) as compared with two control groups. The iTRAQ analyses revealed up- and down-regulation of numerous proteins that could be involved in the disease process (e.g., histones) or attempts to mitigate the ensuing damage (e...
April 7, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28280340/wheat-germ-agglutinin-conjugated-liposomes-incorporated-with-cardiolipin-to-improve-neuronal-survival-in-alzheimer-s-disease-treatment
#16
Yung-Chih Kuo, Che-Yu Lin, Jay-Shake Li, Yung-I Lou
Curcumin (CRM) and nerve growth factor (NGF) were entrapped in liposomes (LIP) with surface wheat germ agglutinin (WGA) to downregulate the phosphorylation of kinases in Alzheimer's disease (AD) therapy. Cardiolipin (CL)-conjugated LIP carrying CRM (CRM-CL/LIP) and also carrying NGF (NGF-CL/LIP) were used with AD models of SK-N-MC cells and Wistar rats after an insult with β-amyloid peptide (Aβ). We found that CRM-CL/LIP inhibited the expression of phosphorylated p38 (p-p38), phosphorylated c-Jun N-terminal kinase (p-JNK), and p-tau protein at serine 202 and prevented neurodegeneration of SK-N-MC cells...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28274431/artificial-neural-network-genetic-algorithm-to-optimize-wheat-germ-fermentation-condition-application-to-the-production-of-two-anti-tumor-benzoquinones
#17
Zi-Yi Zheng, Xiao-Na Guo, Ke-Xue Zhu, Wei Peng, Hui-Ming Zhou
Methoxy-ρ-benzoquinone (MBQ) and 2, 6-dimethoxy-ρ-benzoquinone (DMBQ) are two potential anticancer compounds in fermented wheat germ. In present study, modeling and optimization of added macronutrients, microelements, vitamins for producing MBQ and DMBQ was investigated using artificial neural network (ANN) combined with genetic algorithm (GA). A configuration of 16-11-1 ANN model with Levenberg-Marquardt training algorithm was applied for modeling the complicated nonlinear interactions among 16 nutrients in fermentation process...
July 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28249214/lectin-magnetic-separation-lms-for-isolation-of-toxoplasma-gondii-oocysts-from-concentrated-water-samples-prior-to-detection-by-microscopy-or-qpcr
#18
Jemere Bekele Harito, Andrew T Campbell, Kristoffer Relling Tysnes, J P Dubey, Lucy J Robertson
Although standard methods for analyzing water samples for the protozoan parasites Cryptosporidium spp. and Giardia duodenalis are available and widely used, equivalent methods for analyzing water samples for Toxoplasma gondii oocysts are lacking. This is partly due to the lack of a readily available, reliable immunomagnetic separation technique (IMS). Here we investigated the use of lectin-magnetic separation (LMS) for isolating T. gondii oocysts from water sample concentrates, with subsequent detection by microscopy or molecular methods...
May 1, 2017: Water Research
https://www.readbyqxmd.com/read/28242905/wheat-germ-stabilization-by-infrared-radiation
#19
Renato D Gili, Pablo M Palavecino, M Cecilia Penci, Marcela L Martinez, Pablo D Ribotta
Wheat germ has an important enzymatic activity, being lipases the enzymes which cause the highest impact in the reduction of shelf life. The objective of this study was to evaluate the effects of infrared radiation on wheat germ stabilization in an attempt to extend the shelf life. The effects of treatment time, gap (sample distance to IR emitters) and infrared radiation intensity on wheat germ were analyzed through response surface methodology. Final moisture content, final temperature, color of germ and germ oil quality parameters: free fatty acid content changes and total tocopherol content were the responses evaluated using a Box-Behnken design...
January 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28237713/poly-l-glutamic-acid-drug-delivery-system-for-the-intravesical-therapy-of-bladder-cancer-using-wga-as-targeting-moiety
#20
C Apfelthaler, M Anzengruber, F Gabor, M Wirth
In the management of bladder cancer, surgical resection of the tumour is usually followed by intravesical instillation of immunomodulatives and/or chemotherapeutics. The purpose of this local intravesical therapy is to eliminate residual malignant cells after surgical intervention. The main limitation of a localised adjuvant therapy is the insufficient concentration of the active pharmaceutical ingredient (API) in malignant cells due to the unique structure of the human urothelium making it an exclusively hard to overcome barrier in the human body...
February 22, 2017: European Journal of Pharmaceutics and Biopharmaceutics
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