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https://www.readbyqxmd.com/read/28092924/evaluation-of-the-use-of-rotational-thromboelastometry-in-the-assessment-of-fxi-deficency
#1
G N Pike, A M Cumming, J Thachil, C R M Hay, P H B Bolton-Maggs, J Burthem
INTRODUCTION: The absence of a reliable clinical test to predict bleeding tendency leaves factor XI (FXI)-deficient individuals at risk of overtreatment or under treatment. AIM: To assess whether rotational thromboelastometry has value in detection of FXI deficiency and identification of bleeding tendency. METHODS: Thromboelastometry was measured in whole blood and platelet-rich plasma (PRP) samples containing corn trypsin inhibitor (CTI) from controls (n = 50) and FXI-deficient individuals (n = 93) at tissue factor (TF) 0...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28092843/therapeutic-effects-of-bach1-sirna-on-human-breast-adenocarcinoma-cell-line
#2
Mansoor Aletaha, Behzad Mansoori, Ali Mohammadi, Mehdi Fazeli, Behzad Baradaran
BACKGROUND: Despite the great improvements in clinical and therapeutic techniques in recent years, many advanced breast cancer patients still died of the postoperative recurrence and metastasis of disease. Bach1 plays a role in the development of the invasive phenotypes of cancer, cell division and apoptosis in tumor cells. The aim of this study was to investigate the effect of specific bach1 siRNAs, on the proliferation, migration, invasive, induction of apoptosis, cell cycle arrest and alter EMT related miRNA of MDA-MB-468 cells (breast cancer)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092796/global-open-data-management-in-metabolomics
#3
REVIEW
Kenneth Haug, Reza M Salek, Christoph Steinbeck
Chemical Biology employs chemical synthesis, analytical chemistry and other tools to study biological systems. Recent advances in both molecular biology such as next generation sequencing (NGS) have led to unprecedented insights towards the evolution of organisms' biochemical repertoires. Because of the specific data sharing culture in Genomics, genomes from all kingdoms of life become readily available for further analysis by other researchers. While the genome expresses the potential of an organism to adapt to external influences, the Metabolome presents a molecular phenotype that allows us to asses the external influences under which an organism exists and develops in a dynamic way...
January 13, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28092794/%C3%AE-defensin-3-modulates-macrophage-activation-and-orientation-during-acute-inflammatory-response-to-porphyromonas-gingivalis-lipopolysaccharide
#4
Jinglu Lyu, Tianying Bian, Bin Chen, Di Cui, Lili Li, Ling Gong, Fuhua Yan
β-defensin 3, a multifunctional antimicrobial peptide, has immuno-regulatory activities. We investigated the modulatory mechanism of human β-defensin 3 (hBD3) on acute inflammatory response resulted from Porphyromonas gingivalis lipopolysaccharide (P.g-LPS), which plays a pro-inflammatory role in periodontal infection and its derived systemic inflammation. P.g-LPS was administrated to mice and murine macrophages alone or along with hBD3. P.g-LPS could lead to acute inflammation as soon as 2h. And it was observed that hBD3 significantly decreased the production of pro-inflammatory biomarkers of in response to P...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28092777/controlling-the-3d-architecture-of-self-lifting-auto-generated-tissue-equivalents-slates-for-optimized-corneal-graft-composition-and-stability
#5
Ricardo M Gouveia, Elena González-Andrades, Juan C Cardona, Carmen González-Gallardo, Ana M Ionescu, Ingrid Garzon, Miguel Alaminos, Miguel González-Andrades, Che J Connon
Ideally, biomaterials designed to play specific physical and physiological roles in vivo should comprise components and microarchitectures analogous to those of the native tissues they intend to replace. For that, implantable biomaterials need to be carefully designed to have the correct structural and compositional properties, which consequently impart their bio-function. In this study, we showed that the control of such properties can be defined from the bottom-up, using smart surface templates to modulate the structure, composition, and bio-mechanics of human transplantable tissues...
December 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/28092776/periosteum-tissue-engineering-in-an-orthotopic-in%C3%A2-vivo-platform
#6
J G Baldwin, F Wagner, L C Martine, B M Holzapfel, C Theodoropoulos, O Bas, F M Savi, C Werner, E M De-Juan-Pardo, D W Hutmacher
The periosteum plays a critical role in bone homeostasis and regeneration. It contains a vascular component that provides vital blood supply to the cortical bone and an osteogenic niche that acts as a source of bone-forming cells. Periosteal grafts have shown promise in the regeneration of critical size defects, however their limited availability restricts their widespread clinical application. Only a small number of tissue-engineered periosteum constructs (TEPCs) have been reported in the literature. A current challenge in the development of appropriate TEPCs is a lack of pre-clinical models in which they can reliably be evaluated...
November 20, 2016: Biomaterials
https://www.readbyqxmd.com/read/28092725/strontium-ranelate-a-promising-disease-modifying-osteoarthritis-drug
#7
Weiyu Han, Shicai Fan, Xiaochun Bai, Changhai Ding
The articular cartilage and subchondral bone may have potential crosstalk in the development and progression of osteoarthritis (OA). Strontium ranelate (SrR) has the ability to dissociate the bone remodeling process and to change the balance between bone resorption and bone formation. Its effect on subchondral bone makes it a potential disease- modifying osteoarthritis drug (DMOAD) in the treatment of OA. The aim of the current review is to summarize up-to-date pharmacological and clinical data of SrR for OA treatment...
January 16, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28092676/intracellular-il-37b-interacts-with-smad3-to-suppress-multiple-signaling-pathways-and-the-metastatic-phenotype-of-tumor-cells
#8
C Luo, Y Shu, J Luo, D Liu, D-S Huang, Y Han, C Chen, Y-C Li, J-M Zou, J Qin, Y Wang, D Li, S-S Wang, G-M Zhang, J Chen, Z-H Feng
Multiple signaling pathways that promote tumor cell metastasis are differentially activated in low/non-metastatic and metastatic tumor cells, resulting in the differential expression of metastasis-related genes. The underlying mechanism may involve the alterations of the intrinsic negative regulation in tumor cells. Here we report that the differential expression of interleukin-37b (IL-37b) in tumor cells alters the intrinsic negative regulation of signaling pathways, resulting in the difference of metastatic capacity...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092675/unbalancing-p53-mdm2-igf-1r-axis-by-mdm2-activation-restrains-the-igf-1-dependent-invasive-phenotype-of-skin-melanoma
#9
C Worrall, N Suleymanova, C Crudden, I Trocoli Drakensjö, E Candrea, D Nedelcu, S-I Takahashi, L Girnita, A Girnita
Melanoma tumors usually retain wild-type p53; however, its tumor-suppressor activity is functionally disabled, most commonly through an inactivating interaction with mouse double-minute 2 homolog (Mdm2), indicating p53 release from this complex as a potential therapeutic approach. P53 and the tumor-promoter insulin-like growth factor type 1 receptor (IGF-1R) compete as substrates for the E3 ubiquitin ligase Mdm2, making their relative abundance intricately linked. Hence we investigated the effects of pharmacological Mdm2 release from the Mdm2/p53 complex on the expression and function of the IGF-1R...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092670/neuropilin-1-is-upregulated-in-the-adaptive-response-of-prostate-tumors-to-androgen-targeted-therapies-and-is-prognostic-of-metastatic-progression-and-patient-mortality
#10
B W C Tse, M Volpert, E Ratther, N Stylianou, M Nouri, K McGowan, M L Lehman, S J McPherson, M Roshan-Moniri, M S Butler, J Caradec, C Y Gregory-Evans, J McGovern, R Das, M Takhar, N Erho, M Alshalafa, E Davicioni, E M Schaeffer, R B Jenkins, A E Ross, R J Karnes, R B Den, L Fazli, P A Gregory, M E Gleave, E D Williams, P S Rennie, R Buttyan, J H Gunter, L A Selth, P J Russell, C C Nelson, B G Hollier
Recent evidence has implicated the transmembrane co-receptor neuropilin-1 (NRP1) in cancer progression. Primarily known as a regulator of neuronal guidance and angiogenesis, NRP1 is also expressed in multiple human malignancies, where it promotes tumor angiogenesis. However, non-angiogenic roles of NRP1 in tumor progression remain poorly characterized. In this study, we define NRP1 as an androgen-repressed gene whose expression is elevated during the adaptation of prostate tumors to androgen-targeted therapies (ATTs), and subsequent progression to metastatic castration-resistant prostate cancer (mCRPC)...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092658/mutation-effects-predicted-from-sequence-co-variation
#11
Thomas A Hopf, John B Ingraham, Frank J Poelwijk, Charlotta P I Schärfe, Michael Springer, Chris Sander, Debora S Marks
Many high-throughput experimental technologies have been developed to assess the effects of large numbers of mutations (variation) on phenotypes. However, designing functional assays for these methods is challenging, and systematic testing of all combinations is impossible, so robust methods to predict the effects of genetic variation are needed. Most prediction methods exploit evolutionary sequence conservation but do not consider the interdependencies of residues or bases. We present EVmutation, an unsupervised statistical method for predicting the effects of mutations that explicitly captures residue dependencies between positions...
January 16, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28092645/phenotypes-and-treatment-response-it-s-difficult-to-make-predictions-especially-about-the-future
#12
Robert H Dworkin, Robert R Edwards
No abstract text is available yet for this article.
February 2017: Pain
https://www.readbyqxmd.com/read/28092605/molecular-diversity-of-clostridium-botulinum-and-phenotypically-similar-strains
#13
T Grenda, E Kukier, Z Sieradzki, M Goldsztejn, K Kwiatek
This study was undertaken to examine phenotypic and genetic features of strains preliminary classified as Clostridium botulinum species. The phenotypic characteristics were assessed with different culture media and biochemical tests. The genetic characterization included detection of botulinum toxin genes by PCR and macrorestriction analysis with SmaI, XhoI and SacII by PFGE (Pulsed-field Gel Electrophoresis). Despite similar biochemical properties of all analysed strains, only 47% of them contained genes determining toxicity specific to C...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092471/genomics-pipelines-and-data-integration-challenges-and-opportunities-in-the-research-setting
#14
Jeremy Davis-Turak, Sean M Courtney, E Starr Hazard, W Bailey Glen, Willian da Silveira, Timothy Wesselman, Larry P Harbin, Bethany J Wolf, Dongjun Chung, Gary Hardiman
The emergence and mass utilization of high-throughput (HT) technologies, including sequencing technologies (genomics) and mass spectrometry (proteomics, metabolomics, lipids), has allowed geneticists, biologists, and biostatisticians to bridge the gap between genotype and phenotype on a massive scale. These new technologies have brought rapid advances in our understanding of cell biology, evolutionary history, microbial environments, and are increasingly providing new insights and applications towards clinical care and personalized medicine...
January 16, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28092418/an-examination-of-the-etiologic-overlap-between-the-genetic-and-environmental-influences-on-insomnia-and-common-psychopathology
#15
Mackenzie J Lind, Sage E Hawn, Christina M Sheerin, Steven H Aggen, Robert M Kirkpatrick, Kenneth S Kendler, Ananda B Amstadter
BACKGROUND: Insomnia is comorbid with internalizing and externalizing psychiatric disorders. However, the extent to which the etiologic influences on insomnia and common psychopathology overlap is unclear. There are limited genetically informed studies of insomnia and internalizing disorders and few studies of overlap exist with externalizing disorders. METHODS: We utilized twin data from the Virginia Adult Twin Studies of Psychiatric and Substance Use Disorders (total n = 7,500)...
January 16, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28092408/network-structure-and-local-adaptation-in-coevolving-bacteria-phage-interactions
#16
James Gurney, Lafi Aldakak, Alex Betts, Claire Gougat-Barbera, Timothée Poisot, Oliver Kaltz, Michael E Hochberg
Numerous theoretical and experimental studies have investigated antagonistic coevolution between parasites and their hosts. Although experimental tests of theory from a range of biological systems are largely concordant regarding the influence of several driving processes, we know little as to how mechanisms acting at the smallest scales (individual molecular and phenotypic changes) may result in the emergence of structures at larger scales, such as coevolutionary dynamics and local adaptation. We capitalized on methods commonly employed in community ecology to quantify how the structure of community interaction matrices, so called 'bipartite networks', reflected observed coevolutionary dynamics, and how phages from these communities may or may not have adapted locally to their bacterial hosts...
January 16, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28092403/a-novel-mutation-conferring-the-nonbrittle-phenotype-of-cultivated-barley
#17
Peter Civáň, Terence A Brown
The nonbrittle rachis, resulting in a seed head which does not shatter at maturity, is one of the key phenotypes that distinguishes domesticated barley from its wild relatives. The phenotype is associated with two loci, Btr1 and Btr2, with all domesticated barleys thought to have either a 1 bp deletion in Btr1 or an 11 bp deletion in Btr2. We used a PCR genotyping method with 380 domesticated barley landraces to identify those with the Btr1 deletion and those with the Btr2 deletion. We discovered two landraces, from Serbia and Greece, that had neither deletion...
January 16, 2017: New Phytologist
https://www.readbyqxmd.com/read/28092388/exploration-and-analysis-of-drug-modes-of-action-through-feature-integration
#18
Mingyuan Xin, Jun Fan, Mingyao Liu, Zhenran Jiang
Identifying drug modes of action (MoA) is of paramount importance for having a good grasp of drug indications in clinical tests. Anticipating MoA can help to discover new uses for approved drugs. Here we first used a drug-set enrichment analysis method to discover significant biological activities in every mode of action category. Then, we proposed a new computational model, a probability ensemble approach based on Bayesian network theory, which integrated chemical, therapeutic, genomic and phenotypic properties of over a thousand of FDA approved drugs to assist with the prediction of MoA...
January 16, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28092370/api5-confers-cancer-stem-cell-like-properties-through-the-fgf2-nanog-axis
#19
K-H Song, H Cho, S Kim, H-J Lee, S J Oh, S R Woo, S-O Hong, H S Jang, K H Noh, C H Choi, J-Y Chung, S M Hewitt, J-H Kim, M Son, S-H Kim, B I Lee, H-C Park, Y-K Bae, T W Kim
Immune selection drives the evolution of tumor cells toward an immune-resistant and cancer stem cell (CSC)-like phenotype. We reported that apoptosis inhibitor-5 (API5) acts as an immune escape factor, which has a significant role in controlling immune resistance to antigen-specific T cells, but its functional association with CSC-like properties remains largely unknown. In this study, we demonstrated for the first time that API5 confers CSC-like properties, including NANOG expression, the frequency of CD44-positive cells and sphere-forming capacity...
January 16, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28092346/differential-hypothalamic-leptin-sensitivity-in-obese-rat-offspring-exposed-to-maternal-and-postnatal-intake-of-chocolate-and-soft-drink
#20
M Kjaergaard, C Nilsson, A Secher, J Kildegaard, T Skovgaard, M O Nielsen, K Grove, K Raun
BACKGROUND/OBJECTIVE: Intake of high-energy foods and maternal nutrient overload increases the risk of metabolic diseases in the progeny such as obesity and diabetes. We hypothesized that maternal and postnatal intake of chocolate and soft drink will affect leptin sensitivity and hypothalamic astrocyte morphology in adult rat offspring. METHODS: Pregnant Sprague-Dawley rats were fed ad libitum chow diet only (C) or with chocolate and high sucrose soft drink supplement (S)...
January 16, 2017: Nutrition & Diabetes
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