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https://www.readbyqxmd.com/read/28228109/fms-like-tyrosine-kinase-3-ligand-increases-resistance-to-burn-wound-infection-through-effects-on-plasmacytoid-dendritic-cells
#1
Leon Bae, Julia K Bohannon, Weihua Cui, Monika Vinish, Tracy Toliver-Kinsky
BACKGROUND: Patients experiencing large thermal injuries are susceptible to opportunistic infections that can delay recovery and lead to sepsis. Dendritic cells (DC) are important for the detection of pathogens and activation of the innate and acquired immune responses. DCs are significantly decreased in burn patients early after injury, and the development of sepsis is associated with persistent DC depletion. In a murine model of burn wound infection, the enhancement of DCs after injury by treatment with the DC growth factor Fms-like tyrosine kinase-3 ligand (FL) enhances neutrophil migration to infection, improves bacterial clearance, and increases survival in a DC-dependent manner...
February 22, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28227910/development-of-a-three-dimensional-lattice-free-multiscale-model-of-the-mammary-terminal-end-bud
#2
Joseph D Butner, Vittorio Cristini, Zhihui Wang, Joseph D Butner, Vittorio Cristini, Zhihui Wang, Vittorio Cristini, Joseph D Butner, Zhihui Wang
The terminal end bud (TEB) is a bulbous structure composed of highly proliferative cells that is responsible for mammary gland development during the pubertal stage. This is a highly organized process, involving cellular differentiation hierarchies regulated by endocrine and paracrine signaling. Here, we present development of a lattice-free, three dimensional multiscale agent based model of the TEB to study the effects of cellular phenotypic hierarchies, endocrine and paracrine signaling, and proliferation demographics on pubertal mammary gland development...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224996/intelectin-contributes-to-allergen-induced-il-25-il-33-and-tslp-expression-and-type-2-response-in-asthma-and-atopic-dermatitis
#3
L Yi, D Cheng, K Zhang, X Huo, Y Mo, H Shi, H Di, Y Zou, H Zhang, J Zhao, Y Xu, D J Erle, G Zhen
The epithelial and epidermal innate cytokines IL-25, IL-33, and thymic stromal lymphopoietin (TSLP) have pivotal roles in the initiation of allergic inflammation in asthma and atopic dermatitis (AD). However, the mechanism by which the expression of these innate cytokines is regulated remains unclear. Intelectin (ITLN) is expressed in airway epithelial cells and promotes allergic airway inflammation. We hypothesized that ITLN is required for allergen-induced IL-25, IL-33, and TSLP expression. In two asthma models, Itln knockdown reduced allergen-induced increases in Il-25, Il-33, and Tslp and development of type 2 response, eosinophilic inflammation, mucus overproduction, and airway hyperresponsiveness...
February 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28223442/periodic-lateral-root-priming-what-makes-it-tick
#4
Kirsten Hendrika Ten Tusscher, Marta Laskowski
Conditioning small groups of root pericycle cells for future lateral root formation has a major impact on overall plant root architecture. This priming of lateral roots occurs rhythmically, involving temporal oscillations in auxin response in the root tip. During growth, this process generates a spatial pattern of prebranch sites, an early stage in lateral root formation characterized by a stably maintained high auxin response. Thusfar, the molecular mechanism behind this rhythmicity has remained elusive. Some data implicate a cell-autonomous oscillation in gene expression, while others strongly support the importance of tissue-level modulations in auxin fluxes...
February 21, 2017: Plant Cell
https://www.readbyqxmd.com/read/28220636/identification-of-candidate-biomarkers-for-the-prediction-of-gestational-diabetes-mellitus-in-the-early-stages-of-pregnancy-using-itraq-quantitative-proteomics
#5
Danqing Zhao, Liming Shen, Yan Wei, Jiaming Xie, Shuqiang Chen, Yi Liang, Youjiao Chen, Haorong Wu
PURPOSE: Gestational diabetes mellitus (GDM) is one of the most common medical problems of pregnancy. This study is designed to identify serum biomarkers which can predict the subsequent development of GDM at early stages. EXPERIMENTAL DESIGN: Maternal blood was obtained prospectively from pregnant women at 12-16 weeks of pregnancy. Among these, 30 women were subsequently diagnosed with GDM at 24 to 28 weeks and were selected as case studies along with 30 normoglycemic women as controls...
February 21, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28219950/nutritional-modulation-of-mouse-and-human-liver-bud-growth-through-a-branched-amino-acid-metabolism
#6
Hiroyuki Koike, Ran-Ran Zhang, Yasuharu Ueno, Keisuke Sekine, Yun-Wen Zheng, Takanori Takebe, Hideki Taniguchi
Liver bud progenitors experience a transient amplification during early organ growth phase, yet the responsible mechanism was not fully understood. Collective evidence highlighted the specific requirements in stem cell metabolism for expanding organ progenitors during organogenesis and regeneration. Here, transcriptome analyses showed progenitors of mouse and human liver bud growth stage specifically expressed branched chain aminotransferase1 gene, a known breakdown enzyme of branched-chain amino acid (BCAA) for energy generation...
February 20, 2017: Development
https://www.readbyqxmd.com/read/28217130/transcriptome-analyses-reveal-candidate-genes-potentially-involved-in-al-stress-response-in-alfalfa
#7
Wenxian Liu, Conghui Xiong, Longfeng Yan, Zhengshe Zhang, Lichao Ma, Yanrong Wang, Yajie Liu, Zhipeng Liu
Alfalfa is the most extensively cultivated forage legume, yet most alfalfa cultivars are not aluminum tolerant, and the molecular mechanisms underlying alfalfa responses to Al stress are largely unknown. In this study, we aimed to understand how alfalfa responds to Al stress by identifying and analyzing Al-stress-responsive genes in alfalfa roots at the whole-genome scale. The transcriptome changes in alfalfa roots under Al stress for 4, 8, or 24 h were analyzed using Illumina high-throughput sequencing platforms...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28215996/morphological-and-behavioral-responses-of-zebrafish-after-24h-of-ketamine-embryonic-exposure
#8
Luís M Félix, Cindy Serafim, Maria J Martins, Ana M Valentim, Luís M Antunes, Manuela Matos, Ana M Coimbra
Ketamine, one anesthetic used as an illicit drug, has been detected both in freshwater and marine ecosystems. However, knowledge of its impact on aquatic life is still limited. This study aimed to test its effects in zebrafish embryos by analyzing its time- and dose-dependent developmental toxicity and long-term behavioral changes. The 24h-LC50 was calculated from percent survival using probit analysis. Based on the 24h-LC50 (94.4mgL(-1)), embryos (2hour post-fertilization - hpf) were divided into four groups, including control, and exposed for 24h to ketamine concentrations of 50, 70 or 90mgL(-1)...
February 16, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28215534/immunomodulatory-activity-of-vegf-in-cancer
#9
A Lapeyre-Prost, M Terme, S Pernot, A-L Pointet, T Voron, E Tartour, J Taieb
The ability of tumor cells to escape tumor immunosurveillance contributes to cancer development. Factors produced in the tumor microenvironment create "tolerizing" conditions and thereby help the tumor to evade antitumoral immune responses. VEGF-A, already known for its major role in tumor vessel growth (neoangiogenesis), was recently identified as a key factor in tumor-induced immunosuppression. In particular, VEGF-A fosters the proliferation of immunosuppressive cells, limits T-cell recruitment into tumors, and promotes T-cell exhaustion...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28215348/in%C3%A2-vitro-secretomic-analysis-identifies-putative-pathogenicity-related-proteins-of-sporisorium-scitamineum-the-sugarcane-smut-fungus
#10
Leonard Barnabas, N M R Ashwin, Kalimuthu Kaverinathan, Anna Rita Trentin, Micaela Pivato, Amalraj Ramesh Sundar, Palaniyandi Malathi, Rasappa Viswanathan, Paolo Carletti, Giorgio Arrigoni, Antonio Masi, Ganesh Kumar Agrawal, Randeep Rakwal
Sporisorium scitamineum, the sugarcane smut pathogen, relies predominantly on its secretome to successfully colonise its host, in accordance with other related smut fungi. Considering the significance of deciphering its secretome, we have examined alterations in the in vitro secretome of S. scitamineum in response to synthetic and sugarcane meristem tissue-amended growth media, so as to identify host signal responsive secretory proteins. Secretory proteins that were differentially abundant and exclusively secreted in response to host extract media were identified by two-dimensional gel electrophoresis coupled with MALDI-TOF/TOF MS...
March 2017: Fungal Biology
https://www.readbyqxmd.com/read/28215216/effect-of-milk-replacer-and-concentrate-intake-on-growth-rate-feeding-behaviour-and-systemic-metabolite-concentrations-of-pre-weaned-bull-calves-of-two-dairy-breeds
#11
C J Byrne, S Fair, A M English, D Johnston, P Lonergan, D A Kenny
Early-life nutrition affects calf development and thus subsequent performance. The aim of this study was to examine the effect plane of nutrition on growth, feeding behaviour and systemic metabolite concentrations of artificially reared dairy bull calves. Holstein-Friesian (F; n=42) and Jersey (J; n=25) bull calves with a mean±SD age (14±4.7 v. 27±7.2 days) and BW (47±5.5 v. 33±4.7 kg) were offered a high, medium or low plane of nutrition for 8 weeks using an electronic feeding system which recorded a range of feed-related events...
February 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28215163/targeting-heparan-sulfate-proteoglycans-and-their-modifying-enzymes-to-enhance-anticancer-chemotherapy-efficacy-and-overcome-drug-resistance
#12
Cinzia Lanzi, Nadia Zaffaroni, Giuliana Cassinelli
Targeting heparan sulfate proteoglycans (HSPGs) and enzymes involved in heparan sulfate (HS) chain editing is emerging as a new anticancer strategy. The involvement of HSPGs in tumor cell signaling, inflammation, angiogenesis and metastasis indicates that agents able to inhibit aberrant HSPG functions can potentially act as multitarget drugs affecting both tumor cell growth and the supportive boost provided by the microenvironment. Moreover, accumulating evidence supports that an altered expression or function of HSPGs, or of the complex enzyme system regulating their activities, can also depress the tumor response to anticancer treatments in several tumor types...
February 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28214702/triploid-atlantic-salmon-shows-similar-performance-fatty-acid-composition-and-proteome-response-to-diploids-during-early-freshwater-rearing
#13
Waldo G Nuez-Ortín, Chris G Carter, Richard Wilson, Ira R Cooke, Gianluca Amoroso, Jennifer M Cobcroft, Peter D Nichols
There is currently renewed interest in farming triploid Atlantic salmon. Improving farming requires identifying triploid specific phenotypic and physiological traits that are uniquely derived from ploidy per se and developed under optimal growing conditions. This study investigated firstly, the impact of ploidy on growth performance and whole body composition of Atlantic salmon at different early freshwater stages [34dph (days post-hatching) alevin, 109dph fry, and 162dph parr] and secondly, whether phenotypic differences at these stages were reflected in protein samples collected from whole fish, white muscle or liver tissue...
February 11, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28214527/a%C3%A2-mathematical-model-of-low-grade-gliomas-treated-with-temozolomide-and-its-therapeutical-implications
#14
M U Bogdańska, M Bodnar, J Belmonte-Beitia, M Murek, P Schucht, J Beck, V M Pérez-García
Low grade gliomas (LGGs) are infiltrative and incurable primary brain tumours with typically slow evolution. These tumours usually occur in young and otherwise healthy patients, bringing controversies in treatment planning since aggressive treatment may lead to undesirable side effects. Thus, for management decisions it would be valuable to obtain early estimates of LGG growth potential. Here we propose a simple mathematical model of LGG growth and its response to chemotherapy which allows the growth of LGGs to be described in real patients...
February 15, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28213002/a-phase-ii-trial-of-dovitinib-in-previously-treated-advanced-pleural-mesothelioma-the-ontario-clinical-oncology-group
#15
Scott A Laurie, Desiree Hao, Natasha B Leighl, John Goffin, Abderrahim Khomani, Ashish Gupta, Christina L Addison, Anita Bane, Jean Seely, Marc L Filion, Gregory R Pond, Mark N Levine
OBJECTIVES: Following failure of a platinum-antifolate combination regimen, there is no standard therapy for advanced malignant pleural mesothelioma (MPM). The fibroblast growth factor receptor (FGFR) signaling pathways may be a relevant target in MPM. Dovitinib inhibits multiple tyrosine receptor kinases, predominantly the vascular endothelial growth factor receptors (VEGFR), but also FGFRs, and could be active in MPM. METHODS: This open-label multicentre phase II trial [NCT01769547] enrolled fit, consenting adult patients with advanced MPM who had previously received platinum-antifolate combination chemotherapy and up to one additional line of systemic therapy...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212523/redox-regulation-in-metabolic-programming-and-inflammation
#16
REVIEW
Helen R Griffiths, Dan Gao, Chathyan Pararasa
Energy metabolism and redox state are intrinsically linked. In order to mount an adequate immune response, cells must have an adequate and rapidly available energy resource to migrate to the inflammatory site, to generate reactive oxygen species using NADPH as a cofactor and to engulf bacteria or damaged tissue. The first responder cells of the innate immune response, neutrophils, are largely dependent on glycolysis. Neutrophils are relatively short-lived, dying via apoptosis in the process of bacterial killing through production of hypochlorous acid and release of extracellular NETs...
February 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28212290/defining-clinical-response-criteria-and-early-response-criteria-for-precision-oncology-current-state-of-the-art-and-future-perspectives
#17
Vivek Subbiah, Hubert H Chuang, Dhiraj Gambhire, Kalevi Kairemo
In this era of precision oncology, there has been an exponential growth in the armamentarium of genomically targeted therapies and immunotherapies. Evaluating early responses to precision therapy is essential for "go" versus "no go" decisions for these molecularly targeted drugs and agents that arm the immune system. Many different response assessment criteria exist for use in solid tumors and lymphomas. We reviewed the literature using the Medline/PubMed database for keywords "response assessment" and various known response assessment criteria published up to 2016...
February 15, 2017: Diagnostics
https://www.readbyqxmd.com/read/28212107/rheb-in-neuronal-degeneration-regeneration-and-connectivity
#18
Veena Nambiar Potheraveedu, Miriam Schöpel, Raphael Stoll, Rolf Heumann
The small GTPase Rheb was originally detected as an immediate early response protein whose expression was induced by NMDA-dependent synaptic activity in the brain. Rheb's activity is highly regulated by its GTPase activating protein (GAP), the tuberous sclerosis complex protein, which stimulates the conversion from the active, GTP-loaded into the inactive, GDP-loaded conformation. Rheb has been established as an evolutionarily conserved molecular switch protein regulating cellular growth, cell volume, cell cycle, autophagy, and amino acid uptake...
February 17, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28209841/salicylic-acid-dependent-plant-stress-signalling-via-mitochondrial-succinate-dehydrogenase
#19
Katharina Belt, Shaobai Huang, Louise F Thatcher, Hayley Casarotto, Karam Singh, Olivier Van Aken, A Harvey Millar
Mitochondria are known for their role in ATP production and generation of reactive oxygen species (ROS), but little is known about the mechanism of their early involvement in plant stress signalling. The role of mitochondrial succinate dehydrogenase (SDH) in salicylic acid (SA) signalling was analysed using two mutants; disrupted in stress response 1 (dsr1) which is a point mutation in SDH1 identified in a loss of SA signalling screen, and a knockdown mutant (sdhaf2) for SDH assembly factor 2 that is required for FAD insertion into SDH1...
February 16, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28205604/selectively-bred-rats-provide-a-unique-model-of-vulnerability-to-ptsd-like-behavior-and-respond-differentially-to-fgf2-augmentation-early-in-life
#20
Katherine E Prater, Elyse L Aurbach, Hanna K Larcinese, Taylor N Smith, Cortney A Turner, Peter Blandino, Stanley J Watson, Stephen Maren, Huda Akil
Individuals respond differently to traumatic experiences including their propensity to develop post-traumatic stress disorder (PTSD). Understanding individual differences in PTSD vulnerability will allow the development of improved prevention and treatment options. Here, we characterized fear conditioning and extinction in rats selectively bred for differences in their locomotor response to a novel environment. Selectively bred high responder (bHR) and low responder (bLR) male rats are known to differ in their emotional reactivity on a range of measures of spontaneous anxiety- and depressive-like behaviors...
February 16, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
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