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https://www.readbyqxmd.com/read/28280340/wheat-germ-agglutinin-conjugated-liposomes-incorporated-with-cardiolipin-to-improve-neuronal-survival-in-alzheimer-s-disease-treatment
#1
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/28277825/the-efficacy-of-wga-modified-daunorubicin-anti-resistant-liposomes-in-treatment-of-drug-resistant-mcf-7-breast-cancer
#2
Shuang Liu, Xiao-Li Song, Yan-Hong Wang, Xiao-Min Wang, Yao Xiao, Xin Wang, Lan Cheng, Xue-Tao Li
BACKGROUND: Breast cancer is the most common malignancy and remains a leading cause of cancer-related deaths in female. Chemotherapy failure of breast cancer is mainly associated with multidrug resistance of cancer cells. PURPOSE: The WGA modified daunorubicin anti-resistant liposomes were developed for circumventing the multidrug resistance and eliminating cancer cells. METHODS: WGA was modified on liposomal surface for increasing the intracellular uptake...
February 21, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28259144/sag-qc-quality-control-of-single-amplified-genome-information-by-subtracting-non-target-sequences-based-on-sequence-compositions
#3
Toru Maruyama, Tetsushi Mori, Keisuke Yamagishi, Haruko Takeyama
BACKGROUND: Whole genome amplification techniques have enabled the analysis of unexplored genomic information by sequencing of single-amplified genomes (SAGs). Whole genome amplification of single bacteria is currently challenging because contamination often occurs in experimental processes. Thus, to increase the confidence in the analyses of sequenced SAGs, bioinformatics approaches that identify and exclude non-target sequences from SAGs are required. Since currently reported approaches utilize sequence information in public databases, they have limitations when new strains are the targets of interest...
March 4, 2017: BMC Bioinformatics
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
#4
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...
February 21, 2017: Water Research
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
#5
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
https://www.readbyqxmd.com/read/28215876/in-vitro-lectin-binding-to-the-outer-surface-of-spirocerca-lupi-at-different-life-stages
#6
I Aroch, I Arogeti, A Marcovics, Y Spiegel, E Lavy
Spirocerca lupi is the esophageal nematode of dogs. Early, transient eosinophilia occurs in experimentally infected dogs, but is absent in advanced cases, suggesting that the nematode evades the dog's immune system. Lectins are proteins or glycoproteins of plant or animal origin, binding different saccharides, with varying specificities and avidities, used to characterize surface haptens in plant and animal parasitic helminths. This study investigated the in vitro binding of six lectins (Concanavalin A [ConA], wheat germ agglutinin [WGA], peanut agglutinin [PNA], soybean agglutinin [SBA], Dolichus biflorus agglutinin [DBA] and Ulex earopaeus agglutinin I [UEA]) to the surface of S...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28207771/comparison-of-whole-genome-amplification-techniques-for-human-single-cell-exome-sequencing
#7
Erik Borgström, Marta Paterlini, Jeff E Mold, Jonas Frisen, Joakim Lundeberg
BACKGROUND: Whole genome amplification (WGA) is currently a prerequisite for single cell whole genome or exome sequencing. Depending on the method used the rate of artifact formation, allelic dropout and sequence coverage over the genome may differ significantly. RESULTS: The largest difference between the evaluated protocols was observed when analyzing the target coverage and read depth distribution. These differences also had impact on the downstream variant calling...
2017: PloS One
https://www.readbyqxmd.com/read/28166424/lectin-histochemistry-for-detecting-cadmium-induced-changes-in-the-glycosylation-pattern-of-rat-placenta
#8
M C Díaz, N V González, C N Zanuzzi, R Najle, C G Barbeito
Cadmium (Cd) is an industrial and environmental pollutant that produces toxic effects on gametogenesis, pre- and post-implantation embryos, and the placenta. Because the effects of acute Cd intoxication on the placenta are not well understood, we investigated changes in its glycosylated components in Cd treated dams at days 4, 7, 10 and 15 of gestation using lectin histochemistry. CdCl2 was administered to pregnant rats; control animals received sterile normal saline. Placentas were processed for DBA, Con A, SBA, PNA, UEA-I, RCA-I and WGA lectin histochemistry to evaluate changes in the carbohydrate pattern of the placenta that might modify cell interactions and contribute to embryonic alterations...
February 6, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28124793/fluoroacetamide-moieties-as-nmr-spectroscopy-probes-for-the-molecular-recognition-of-glcnac-containing-sugars-modulation-of-the-ch-%C3%AF-stacking-interactions-by-different-fluorination-patterns
#9
Luca Unione, Maria Alcalá, Begoña Echeverria, Sonia Serna, Ana Ardá, Antonio Franconetti, F Javier Cañada, Tammo Diercks, Niels Reichardt, Jesús Jiménez-Barbero
We herein propose the use of fluoroacetamide and difluoroacetamide moieties as sensitive tags for the detection of sugar-protein interactions by simple (1) H and/or (19) F NMR spectroscopy methods. In this process, we have chosen the binding of N,N'-diacetyl chitobiose, a ubiquitous disaccharide fragment in glycoproteins, by wheat-germ agglutinin (WGA), a model lectin. By using saturation-transfer difference (STD)-NMR spectroscopy, we experimentally demonstrate that, under solution conditions, the molecule that contained the CHF2 CONH- moiety is the stronger aromatic binder, followed by the analogue with the CH2 FCONH- group and the natural molecule (with the CH3 CONH- fragment)...
January 26, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28112458/plasticity-of-neonatal-neuronal-networks-in-very-premature-infants-source-localization-of-temporal-theta-activity-the-first-endogenous-neural-biomarker-in-temporoparietal-areas
#10
L Routier, M Mahmoudzadeh, M Panzani, H Azizollahi, S Goudjil, G Kongolo, F Wallois
Temporal theta slow-wave activity (TTA-SW) in premature infants is a specific signature of the early development of temporal networks, as it is observed at the turning point between non-sensory driven spontaneous local processing and cortical network functioning. The role in development and the precise location of TTA-SW remain unknown. Previous studies have demonstrated that preterms from 28 weeks of gestational age (wGA) are able to discriminate phonemes and voice, supporting the idea of a prior genetic structural or activity-dependent fingerprint that would prepare the auditory network to compute auditory information at the onset of thalamocortical connectivity...
January 23, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28093222/swainsonine-induced-lysosomal-storage-disease-in-goats-caused-by-the-ingestion-of-sida-rodrigoi-monteiro-in-north-western-argentina
#11
Juan Francisco Micheloud, Raúl Marin, Luis Adrián Colque-Caro, Olga Gladys Martínez, Dale Gardner, Eduardo Juan Gimeno
There are numerous poisonous plants that can induce intralysosomal accumulation of glycoproteins and neurologic syndromes. Here we describe for the first time, a disease caused by ingesting Sida rodrigoi Monteiro in goats in North-western Argentina. The animals showed weight loss, indifference to the environment, unsteady gait and ataxia. Histopathologic studies showed vacuolization in cells of various organs, mainly in the CNS. The material deposited in the cells was positive for LCA (Lens culinaris agglutinin), WGA (Triticum vulgaris agglutinin), sWGA (succinyl-Triticum vulgaris agglutinin) and Con-A (Concanavalia ensiformis agglutinin) lectins...
January 16, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28060302/a-platform-of-anti-biofilm-assays-suited-to-the-exploration-of-natural-compound-libraries
#12
Malena E Skogman, Pia M Vuorela, Adyary Fallarero
Biofilms are regarded as one of the most challenging topics of modern biomedicine, and they are potentially responsible for over 80% of antibiotic-tolerant infections. Biofilms have displayed an exceptionally high tolerance for chemotherapy, which is thought to be multifactorial. For instance, the matrix provides a physical barrier that decreases the penetration of antibiotics into the biofilm. Also, cells within the biofilms are phenotypically diverse. Likely, biofilm resilience arises from a combination of these and other, yet unknown, mechanisms...
December 27, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28032398/cultivation-and-characterisation-of-the-surface-markers-and-carbohydrate-profile-of-human-corneal-endothelial-cells
#13
Richárd Nagymihály, Zoltán Veréb, Réka Albert, Laura Sidney, Harminder Dua, Andrew Hopkinson, Goran Petrovski
BACKGROUND: To characterise human corneal endothelial cell (HCEnC) cultures generated by the peel-and-digest method based on their surface protein/carbohydrate expression pattern. METHODS: QPCR was used to compare expression of Vimentin, CD90, Cytokeratin-19, ZO-1, Claudin 14 in cultured HCEnC and cell line B4G12 versus stromal cells. Fluorescence-activated cell sorting (FACS) was used to assess surface protein distribution of cultured and uncultured HCEnC. Distribution of surface proteins/ carbohydrates was visualised by immunofluorescent and lectin staining...
December 29, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27915451/interobserver-agreement-in-detection-of-white-globe-appearance-and-the-ability-of-educational-lectures-to-improve-the-diagnosis-of-gastric-lesions
#14
Hitoshi Omura, Naohiro Yoshida, Tomoyuki Hayashi, Kazuhiro Miwa, Hajime Takatori, Hirokazu Tsuji, Katsuhisa Inamura, Yukihiro Shirota, Hiroyuki Aoyagi, Takaharu Masunaga, Kazuyoshi Katayanagi, Hiroshi Kurumaya, Shuichi Kaneko, Hisashi Doyama
BACKGROUND: White globe appearance (WGA) refers to a small white lesion of globular shape underneath cancerous gastric epithelium that can be clearly visualized by magnifying endoscopy with narrowband imaging (M-NBI). WGA has been reported to be a novel endoscopic marker that is highly specific in differentiating early gastric cancer (GC) from low-grade adenoma, and has a significantly higher prevalence in early GCs than in noncancerous lesions. However, interobserver agreement in detecting WGA and whether training intervention can improve diagnostic accuracy are unknown...
December 3, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27898687/effects-of-chronologic-age-and-young-child-exposure-on-respiratory-syncytial-virus-disease-among-us-preterm-infants-born-at-32-to-35-weeks-gestation
#15
Eric A F Simões, Evan J Anderson, Xionghua Wu, Christopher S Ambrose
OBJECTIVE: To estimate the incidence of respiratory syncytial virus (RSV) disease as a function of chronologic age and exposure to young children in US preterm infants. METHODS: In the RSV Respiratory Events among Preterm Infants Outcomes and Risk Tracking (REPORT) study, preterm infants born at 32-35 weeks gestational age (wGA) were enrolled from 188 US clinics and followed September-May of 2009-2010 or 2010-2011. Infants with medically-attended acute respiratory illness had nasal/pharyngeal swabs collected for viral testing...
2016: PloS One
https://www.readbyqxmd.com/read/27897433/affinity-chromatography-matrices-for-depletion-and-purification-of-casein-glycomacropeptide-from-bovine-whey
#16
María F Baieli, Nicolás Urtasun, María J Martinez, Daniela B Hirsch, Ana M R Pilosof, María V Miranda, Osvaldo Cascone, Federico J Wolman
Casein glycomacropeptide (CMP) is a 64- amino acid peptide found in cheese whey, which is released after κ-casein specific cleavage by chymosin. CMP lacks aromatic amino acids, a characteristic that makes it usable as a nutritional supplement for people with phenylketonuria. CMP consists of two nonglycosylated isoforms (aCMP A and aCMP B) and its different glycosylated forms (gCMP A and gCMP B). The most predominant carbohydrate of gCMP is N-acetylneuraminic acid (sialic acid). Here, we developed a CMP purification process based on the affinity of sialic acid for wheat germ agglutinin (WGA)...
November 7, 2016: Biotechnology Progress
https://www.readbyqxmd.com/read/27883257/determining-the-binding-affinities-of-prostate-specific-antigen-to-lectins-spr-and-microarray-approaches
#17
Pavel Damborský, Martina Zámorová, Jaroslav Katrlík
Prostate cancer (PCa) is one of the most common newly diagnosed cancers among men and we focused on its traditional biomarker, prostate-specific antigen (PSA), using targeted glycomics-based strategies. The aberrant glycosylation pattern of PSA may serve as a valuable tool for improving PCa diagnosis including its early-stage. In this study, we evaluated the usability of two techniques, surface plasmon resonance and protein microarray assay, for the study and characterization of interactions of PSA (both free and complexed) with six lectins (SNA, ConA, RCA, AAL, WGA and MAA II)...
December 2016: Proteomics
https://www.readbyqxmd.com/read/27861854/lectins-selectively-label-cartilage-condensations-and-the-otic-neuroepithelium-within-the-embryonic-chicken-head
#18
Poulomi Ray, Ami J Hughes, Misha Sharif, Susan C Chapman
Cartilage morphogenesis during endochondral ossification follows a progression of conserved developmental events. Cells are specified towards a prechondrogenic fate and subsequently undergo condensation followed by overt differentiation. Currently available molecular markers of prechondrogenic and condensing mesenchyme rely on common regulators of the chondrogenic program that are not specific to the tissue type or location. Therefore tissue-specific condensations cannot be distinguished based on known molecular markers...
November 16, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/27855996/impact-of-the-updated-guidance-for-palivizumab-prophylaxis-against-respiratory-syncytial-virus-infection-a-single-center-experience
#19
Bavani Rajah, Pablo J Sánchez, Cristina Garcia-Maurino, Amy Leber, Octavio Ramilo, Asuncion Mejias
OBJECTIVES: To determine the differences in number of respiratory syncytial virus (RSV) hospitalizations and outcomes in infants 29(0/7)-34(6/7) weeks' gestational age (wGA) the season before (season 1 [S1]; 2013-2014) and after (season 2 [S2]; 2014-2015) implementation of the 2014 American Academy of Pediatrics revised guidance for palivizumab prophylaxis. STUDY DESIGN: Children <12 months of age hospitalized with RSV infection were identified by the International Classification of Diseases, Ninth Revision codes and virology reports...
November 15, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27850324/685-sentinel1-icu-admissions-for-rsv-among-us-infants-born-at-29-35-wga-not-receiving-immunoprophylaxis
#20
Paul Checchia, Michael Forbes, Evan Anderson, John DeVincenzo, Leonard Krilov, Scott McBride, Veena Kumar, Christopher Ambrose
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
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