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https://www.readbyqxmd.com/read/29776647/-effect-of-green-alga-ulva-lactuca-polysaccharides-supplementation-on-blood-pressure-and-on-atherogenic-risk-factors-in-rats-fed-a-high-fat-diet
#1
Z I Tair, F Bensalah, F Boukortt
AIM OF THE STUDY: To highlight the benefits of green alga Ulva lactuca polysaccharides supplementation on blood pressure and atherogenic risk factors in rats fed a high fat diet. METHODS: Wistar male rats were fed a high fat diet (30% sheep fat) for 3 months. At an average body weight (BW) of 360g, the rats (n=18) were divided into 3 groups and consumed, for 28 days, either a high fat diet (HFD) or a high fat diet enriched with 1% of whole green algae (WGA) powder or with 1% of its polysaccharides (PLS)...
May 15, 2018: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29764212/the-clinical-application-of-single-sperm-based-snp-haplotyping-for-pgd-of-osteogenesis-imperfecta
#2
Linjun Chen, Zhenyu Diao, Zhipeng Xu, Jianjun Zhou, Guijun Yan, Haixiang Sun
Osteogenesis imperfecta (OI) is a genetically heterogeneous disorder, presenting either autosomal dominant, autosomal recessive or X-linked inheritance patterns. The majority of OI cases are autosomal dominant and are caused by heterozygous mutations in either the COL1A1 or COL1A2 gene. In these dominant disorders, allele dropout (ADO) can lead to misdiagnosis in preimplantation genetic diagnosis (PGD). Polymorphic markers linked to the mutated genes have been used to establish haplotypes for identifying ADO and ensuring the accuracy of PGD...
May 15, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29753460/synthetic-high-density-lipoprotein-nanoconjugate-targets-neuroblastoma-stem-cells-blocking-migration-and-self-renewal
#3
Chitra Subramanian, Peter T White, Rui Kuai, Avinaash Kalidindi, Valerie P Castle, James J Moon, Barbara N Timmermann, Anna Schwendeman, Mark S Cohen
BACKGROUND: Pathways critical for neuroblastoma cancer stem cell function are targeted by 4,19,27-triacetyl withalongolide A (WGA-TA). Because neuroblastoma cells and their cancer stem cells highly overexpress the scavenger receptor class B type 1 receptor that binds to synthetic high-density lipoprotein, we hypothesized that a novel mimetic synthetic high-density lipoprotein nanoparticle would be an ideal carrier for the delivery of 4,19,27-triacetyl withalongolide to neuroblastoma and neuroblastoma cancer stem cells...
May 9, 2018: Surgery
https://www.readbyqxmd.com/read/29746578/seasonal-peaks-and-risk-factors-of-respiratory-syncytial-virus-infections-related-hospitalization-of-preterm-infants-in-taiwan
#4
Hsin Chi, Ching-Hu Chung, Yuh-Jyh Lin, Chyi-Her Lin
OBJECTIVES: To assess the nationwide seasonal peaks, risk factors, and utilization of medical resources of respiratory syncytial virus-associated hospitalization (RSVH) in preterm infants in Taiwan. STUDY DESIGN: A Taiwan nationwide birth cohort was extracted from the Birth Certificate Application Database during 2007-2009 and prospectively linked to the National Health Insurance database. We evaluated the seasonal peaks and risk factors (gestational age [GA], chronologic age [CA], and bronchopulmonary dysplasia [BPD]) associated with the RSVH of preterm infants...
2018: PloS One
https://www.readbyqxmd.com/read/29738551/identification-of-genetic-linkage-group-1-linked-sequences-in-japanese-eel-anguilla-japonica-by-single-chromosome-sorting-and-sequencing
#5
Kazumi Matsubara, Yuki Iwasaki, Issei Nishiki, Kazuharu Nomura, Atushi Fujiwara
Japanese eel (Anguilla japonica) constitutes one of the most important food fish in Japan; accordingly, genome sequencing and linkage mapping have been conducted for the purpose of artificial cultivation. In the next stage, integration of genomic sequences within linkage groups (LG) is required to construct higher-resolution genetic markers for quantitative trait loci mapping and selective breeding of beneficial traits in farming. In order to identify LG1-linked scaffolds from the draft genome assembly (323,776 scaffolds) reported previously, we attempted to isolate chromosomes corresponding to LG1 by flow sorting and subsequent analyses...
2018: PloS One
https://www.readbyqxmd.com/read/29734426/changes-in-the-membrane-carbohydrates-from-sperm-cryopreserved-with-dimethylsulfoxide-or-polyvinylpyrrolidone-of-red-tailed-hawk-buteo-jamaicencis
#6
J A Herrera, G Calderon, C Cruz, M A Avila, G E Quintero, R C Fierro
BACKGROUND: That cryopreservation can induce alterations in sperm. OBJECTIVE: The goal of this study was to evaluate sperm quality and distribution of N-acetylglucosamine, sialic acid and mannose residues in sperm cryopreserved of red-tailed hawk (Buteo jamaicensis). MATERIALS AND METHODS: We studied twenty samples of ejaculated semen for each cryoprotectant dimethylsulfoxide or polyvinylpyrrolidone. Carbohydrate identification was carried out with lectins Triticum vulgaris agglutinin to N-acetylglucosamine and sialic acid and Concanavalia ensiformis for mannose residues...
July 2017: Cryo Letters
https://www.readbyqxmd.com/read/29712920/development-of-an-optogenetic-toolkit-for-neural-circuit-dissection-in-squirrel-monkeys
#7
Daniel J O'Shea, Paul Kalanithi, Emily A Ferenczi, Brian Hsueh, Chandramouli Chandrasekaran, Werapong Goo, Ilka Diester, Charu Ramakrishnan, Matthew T Kaufman, Stephen I Ryu, Kristen W Yeom, Karl Deisseroth, Krishna V Shenoy
Optogenetic tools have opened a rich experimental landscape for understanding neural function and disease. Here, we present the first validation of eight optogenetic constructs driven by recombinant adeno-associated virus (AAV) vectors and a WGA-Cre based dual injection strategy for projection targeting in a widely-used New World primate model, the common squirrel monkey Saimiri sciureus. We observed opsin expression around the local injection site and in axonal projections to downstream regions, as well as transduction to thalamic neurons, resembling expression patterns observed in macaques...
April 30, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29698522/massively-parallel-sequencing-of-micro-manipulated-cells-targeting-a-comprehensive-panel-of-disease-causing-genes-a-comparative-evaluation-of-upstream-whole-genome-amplification-methods
#8
Lieselot Deleye, Yannick Gansemans, Dieter De Coninck, Filip Van Nieuwerburgh, Dieter Deforce
Single Gene Disorders (SGD) are still routinely diagnosed using PCR-based assays that need to be developed and validated for each individual disease-specific gene fragment. The TruSight One sequencing panel currently covers 12 Mb of genomic content, including 4813 genes associated with a clinical phenotype. When only a limited number of cells are available, whole genome amplification (WGA) is required prior to DNA target capture techniques such as the TruSight One panel. In this study, we compared 4 different WGA methods in combination with the TruSight One sequencing panel to perform single nucleotide polymorphism (SNP) genotyping starting from 3 micro-manipulated cells...
2018: PloS One
https://www.readbyqxmd.com/read/29694992/respiratory-syncytial-virus-in-otherwise-healthy-prematurely-born-infants-a-forgotten-majority
#9
Bosco Paes
Healthy, premature infants ≤35 weeks' gestational age (wGA) are universally recognized to be at an increased risk of perinatal morbidity and mortality. Serious respiratory syncytial virus (RSV) lower respiratory tract infection imposes an additional burden of illness on these infants following hospitalization. Incurred morbidities relative to term infants include longer lengths of hospital stay, admission to intensive care, and need for oxygen and mechanical ventilation, all of which are associated with increased hospital costs...
May 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29689432/a-fluorescence-in-situ-staining-method-for-investigating-spores-and-vegetative-cells-of-clostridia-by-confocal-laser-scanning-microscopy-and-structured-illuminated-microscopy
#10
P D'Incecco, L Ong, S Gras, L Pellegrino
Non-pathogenic spore-forming Clostridia are of increasing interest due to their application in biogas production and their capability to spoil different food products. The life cycle for Clostridium includes a spore stage that can assist in survival under environmentally stressful conditions, such as extremes of temperature or pH. Due to their size, spores can be investigated by a range of microscopic techniques, many of which involve sample pre-treatment. We have developed a quick, simple and non-destructive fluorescent staining procedure that allows a clear differentiation between spores and vegetative cells and effectively stains spores, allowing recovery and tracking in subsequent experiments...
April 18, 2018: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/29687370/performance-comparison-of-two-whole-genome-amplification-techniques-in-frame-of-multifactor-preimplantation-genetic-testing
#11
Ludmila Volozonoka, Dmitry Perminov, Liene Korņejeva, Baiba Alkšere, Natālija Novikova, Evija Jokste Pīmane, Arita Blumberga, Inga Kempa, Anna Miskova, Linda Gailīte, Violeta Fodina
PURPOSE: To compare multiple displacement amplification and OmniPlex whole genome amplification technique performance during array comparative genome hybridization (aCGH), Sanger sequencing, SNaPshot and fragment size analysis downstream applications in frame of multifactor embryo preimplantation genetic testing. METHODS: Preclinical workup included linked short tandem repeat (STR) marker selection and primer design for loci of interest. It was followed by a family haplotyping, after which an in vitro fertilization preimplantation genetic testing (IVF-PGT) cycle was carried out...
April 23, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29674052/glycan-affinity-magnetic-nanoplatforms-for-urinary-glycobiomarkers-discovery-in-bladder-cancer
#12
Rita Azevedo, Janine Soares, Cristiana Gaiteiro, Andreia Peixoto, Luís Lima, Dylan Ferreira, Marta Relvas-Santos, Elisabete Fernandes, Ana Tavares, Sofia Cotton, Ana Luísa Daniel-da-Silva, Lúcio Lara Santos, Rui Vitorino, Francisco Amado, José Alexandre Ferreira
Bladder Cancer (BC) presents one of the highest recurrence rates amongst solid tumours and constitutes the second deadliest disease of the genitourinary track. Non-invasive identification of patients facing disease recurrence and/or progression remains one of the most critical and challenging aspects in disease management. To contribute to this goal, we demonstrate the potential of glycan-affinity glycoproteomics nanoplatforms for urinary biomarkers discovery in bladder cancer. Briefly, magnetic nanoprobes (MNP) coated with three broad-spectrum lectins, namely Concanavalin A (ConA; MNP@ConA), Wheat Germ Agglutinin (WGA; MNP@WGA), and Sambucus nigra (SNA; MNP@SNA), were used to selectively capture glycoproteins from the urine of low-grade and high-grade non-muscle invasive as well as muscle-invasive BC patients...
July 1, 2018: Talanta
https://www.readbyqxmd.com/read/29628409/prospective-follow-up-of-a-cohort-of-preterm-infants-33-wg-receiving-ketamine-for-tracheal-intubation-in-the-delivery-room-neurological-outcome-at-1-and-2-years
#13
C Elalouf, A-G Le Moing, C Fontaine, A Leke, G Kongolo, J Gondry, P Tourneux
OBJECTIVE: Although ketamine analgesia is effective in reducing pain and facilitating the tracheal intubation of newborns in the delivery room, no data on the neurological effects of this treatment are available. This study compared the neurodevelopmental outcomes at 2 years of age in a cohort of preterm newborns having received ketamine prior to tracheal intubation at birth (the ketamine group) and in a control group. METHODS: We included newborns delivered at less than 33 weeks gestational age (WGA) having undergone tracheal intubation at birth...
April 5, 2018: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29622093/glycoconjugates-pattern-and-chemosensory-cells-in-the-camel-respiratory-mucosa-lectin-and-immunohistochemical-studies
#14
Dalia Ibrahim
The glycoconjugates pattern of acidic secretions and distribution of chemosensory cells (SCCs) in the respiratory mucosa of dromedary camels were analyzed so as to identify their functional role. Secretions of the goblet cells and mucous glandular cells were analyzed to evaluate the variety of sugar chains, focusing on the acidic glycoconjugates. Using lectin histochemistry, WGA, STL, DBA, SBA, VVA and RCA-120 intensely bound to the goblet cells. PNA and ECL labeled the goblet cells with moderate intensity...
April 2018: Tissue & Cell
https://www.readbyqxmd.com/read/29614382/extended-exposure-duration-of-cultured-intestinal-epithelial-cell-monolayers-in-characterizing-hazardous-and-non-hazardous-proteins
#15
C Zimmermann, A D Eaton, B B Lanter, J Roper, B P Hurley, B Delaney
Recent studies suggest that human derived intestinal epithelial cells (IECs) cultured as polarized monolayers on Transwell® filters may respond differently when exposed to hazardous and non-hazardous proteins. This experimental platform was based on apical exposure of IEC monolayers to test proteins for 24 h followed by assessment of barrier integrity and cell viability. In this study, Caco-2 and T84 IEC polarized monolayers were evaluated for barrier integrity and cytotoxicity following exposure to hazardous and non-hazardous proteins for 24, 48 and 72 h...
March 31, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29608970/characterization-of-vibrio-cholerae-neuraminidase-as-an-immunomodulator-for-novel-formulation-of-oral-allergy-immunotherapy
#16
Susanne C Diesner, Cornelia Bergmayr, Xue-Yan Wang, Denise Heiden, Sarah Exenberger, Franziska Roth-Walter, Philipp Starkl, Davide Ret, Isabella Pali-Schöll, Franz Gabor, Eva Untersmayr
To improve current mucosal allergen immunotherapy Vibrio cholerae neuraminidase (NA) was evaluated as a novel epithelial targeting molecule for functionalization of allergen-loaded, poly(D,L-lactide-co-glycolide) (PLGA) microparticles (MPs) and compared to the previously described epithelial targeting lectins wheat germ agglutinin (WGA) and Aleuria aurantia lectin (AAL). All targeters revealed binding to Caco-2 cells, but only NA had high binding specificity to α-L fucose and monosialoganglioside-1. An increased transepithelial uptake was found for NA-MPs in a M-cell co-culture model...
March 30, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29582511/comparative-histochemical-analysis-of-glycoconjugates-in-the-nasal-vestibule-of-camel-and-sheep
#17
Dalia Ibrahim, Nobuaki Nakamuta
While Corriedale sheep survive in a wide range of climates, which prevents them to specialize for one climatic condition only, dromedary camels strictly adapted to desert areas. This demands more adaptive mechanisms to hot, dry conditions in camels than in sheep. Being the entrance of the nasal cavity, nasal vestibule is subjected to various environmental stressors. A protective way is the lining epithelium which is cornified in camel, but not in sheep. Mucus nasal secretions also play a key role in the protection of underlyings...
March 26, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29581860/novel-natural-withanolides-induce-apoptosis-and-inhibit-migration-of-neuroblastoma-cells-through-down-regulation-of-n-myc-and-suppression-of-akt-mtor-nf-%C3%AE%C2%BAb-activation
#18
Chitra Subramanian, Patrick T Grogan, Valerie P Opipari, Barbara N Timmermann, Mark S Cohen
Despite recent advances in intensive chemotherapy treatments, long-term success is achieved in less than 30% of children with high-risk neuroblastoma (NB). Key regulatory pathways including the PI3K/Akt, mTOR and NF-κB are implicated in the pathogenesis of NB. Although drugs targeting these individual pathways are in clinical trials, they are not effective due to the activation of compensatory mechanisms. We have previously reported that natural novel withanolides from Physalis longifolia can potently inhibit these key regulatory pathways simultaneously...
March 6, 2018: Oncotarget
https://www.readbyqxmd.com/read/29563514/comparison-of-single-cell-sequencing-data-between-two-whole-genome-amplification-methods-on-two-sequencing-platforms
#19
DaYang Chen, HeFu Zhen, Yong Qiu, Ping Liu, Peng Zeng, Jun Xia, QianYu Shi, Lin Xie, Zhu Zhu, Ya Gao, GuoDong Huang, Jian Wang, HuanMing Yang, Fang Chen
Research based on a strategy of single-cell low-coverage whole genome sequencing (SLWGS) has enabled better reproducibility and accuracy for detection of copy number variations (CNVs). The whole genome amplification (WGA) method and sequencing platform are critical factors for successful SLWGS (<0.1 × coverage). In this study, we compared single cell and multiple cells sequencing data produced by the HiSeq2000 and Ion Proton platforms using two WGA kits and then comprehensively evaluated the GC-bias, reproducibility, uniformity and CNV detection among different experimental combinations...
March 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29527013/trabeculectomy-training-in-england-are-we-safe-at-training-two-year-surgical-outcomes
#20
A Walkden, J Huxtable, M Senior, H Lee, S Naylor, S Turner, K Ivanova, J Koppens, B Todd, A Macleod, F Sii, N Anand, P Shah, A King, D C Broadway, J F Kirwan, A McNaught, A Bhan-Bhargava
OBJECTIVES: To define the safety profile of trainee trabeculectomy surgery in the United Kingdom. Surgical exposure for trainees in England is limited due to service requirements, the European working time directive constraints and increasing sub-specialisation of glaucoma surgery. Limited knowledge exists on the outcomes of supervised glaucoma surgery. The aim is to determine the safety of supervised trabeculectomy surgery performed by trainee ophthalmologists. METHODS: Retrospective case note review of all patients that had trabeculectomy surgery with MMC by consultant and trainee surgeons across multiple UK centres...
March 12, 2018: Eye
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