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https://www.readbyqxmd.com/read/28728380/effects-of-different-space-allowances-on-growth-performance-blood-profile-and-pork-quality-in-a-grow-to-finish-production-system
#1
J C Jang, X H Jin, J S Hong, Y Y Kim
Objective: This experiment was conducted to evaluate the optimal space allowance on growth performance, blood profile and pork quality of growing-finishing pigs. Methods: A total of ninety crossbred pigs ([Yorkshire x Landrace] x Duroc, 30.25 ± 1.13 kg) were allocated into three treatments (0.96: four pigs / pen, 0.96 m2/pig; 0.80: five pigs / pen, 0.80 m2/pig; 0.69: six pigs / pen, 0.69 m2/pig) in a randomized complete block (RCB) design. Pigs were housed in balanced sex and had free access to feed in all phases for 14 weeks (growing phase I, growing phase II, finishing phase I and finishing phase II)...
June 26, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28726571/primary-blast-causes-delayed-effects-without-cell-death-in-shell-encased-brain-cell-aggregates
#2
Thomas Sawyer, Yushan Wang, David V Ritzel, Tyson Josey, Mercy Villanueva, Cory Vair, Yanfeng Song, Yimin Shei, Steven Parks, Peggy Nelson, Grant Hennes, Lori McLaws, Changyan Fan
Previous work used underwater explosive exposures to isolate the effects of shock-induced principle stress without shear on rat brain aggregate cultures. This current study has utilized simulated air blast to expose aggregates in suspension and enclosed within a spherical shell, enabling the examination of a much more complex biomechanical insult. Culture medium-filled spheres were exposed to single pulse overpressures of 15-30 psi (6-7 msec duration) and measurements within the sphere at defined sites showed complex and spatially dependent pressure changes...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28725376/moving-south-effects-of-water-temperatures-on-the-larval-development-of-invasive-cane-toads-rhinella-marina-in-cool-temperate-australia
#3
Uditha Wijethunga, Matthew Greenlees, Richard Shine
The distributional limits of many ectothermic species are set by thermal tolerances of early-developmental stages in the life history; embryos and larvae often are less able to buffer environmental variation than are conspecific adults. In pond-breeding amphibians, for example, cold water may constrain viability of eggs and larvae, even if adults can find suitable thermal conditions in terrestrial niches. Invasive species provide robust model systems for exploring these questions, because we can quantify thermal challenges at the expanding range edge (from field surveys) and larval responses to thermal conditions (in the laboratory)...
October 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28724653/haplodeficiency-of-ataxia-telangiectasia-mutated-accelerates-heart-failure-after-myocardial-infarction
#4
Lixin Jia, Wenmei Zhang, Youcai Ma, Boya Chen, Yan Liu, Chunmei Piao, Yuan Wang, Min Yang, Tingting Liu, Junmeng Zhang, Taotao Li, Shaoping Nie, Jie Du
BACKGROUND: Cell senescence is involved in the process of organ damage and repair; however, the underlying molecular mechanism needs to be further explored. METHODS AND RESULTS: Senescence-related genes (ie, p21, p53, and ataxia telangiectasia mutated [ATM]) were shown to be elevated after myocardial infarction (MI) in both mouse and human hearts. Ten- to 12-week-old male wild-type littermates (ATM(+/+)) and ATM heterozygous mice (ATM(+/-)) were subjected to MI...
July 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28724377/combination-therapy-for-melanoma-with-braf-mek-inhibitor-and-immune-checkpoint-inhibitor-a-mathematical-model
#5
Xiulan Lai, Avner Friedman
BACKGROUND: The B-raf gene is mutated in up to 66% of human malignant melanomas, and its protein product, BRAF kinase, is a key part of RAS-RAF-MEK-ERK (MAPK) pathway of cancer cell proliferation. BRAF-targeted therapy induces significant responses in the majority of patients, and the combination BRAF/MEK inhibitor enhances clinical efficacy, but the response to BRAF inhibitor and to BRAF/MEK inhibitor is short lived. On the other hand, treatment of melanoma with an immune checkpoint inhibitor, such as anti-PD-1, has lower response rate but the response is much more durable, lasting for years...
July 19, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28723564/the-lysine-acetyltransferase-gcn5-is-required-for-inkt-cell-development-through-egr2-acetylation
#6
Yajun Wang, Chawon Yun, Beixue Gao, Yuanming Xu, Yana Zhang, Yiming Wang, Qingfei Kong, Fang Zhao, Chyung-Ru Wang, Sharon Y R Dent, Jian Wang, Xiangping Xu, Hua-Bin Li, Deyu Fang
The development of CD1d-restricted invariant natural killer T (iNKT) cells, a population that is critical for both innate and adaptive immunity, is regulated by multiple transcription factors, but the molecular mechanisms underlying how the transcriptional activation of these factors are regulated during iNKT development remain largely unknown. We found that the histone acetyltransferase general control non-derepressible 5 (GCN5) is essential for iNKT cell development during the maturation stage. GCN5 deficiency blocked iNKT cell development in a cell-intrinsic manner...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28721621/tolerance-of-japanese-knotweed-s-l-to-soil-artificial-polymetallic-pollution-early-metabolic-responses-and-performance-during-vegetative-multiplication
#7
Serge Michalet, Soraya Rouifed, Thomas Pellassa-Simon, Manon Fusade-Boyer, Guillaume Meiffren, Sylvie Nazaret, Florence Piola
The expansion of invasive Japanese knotweed s.l. is of particular concern because of its aptitudes to rapidly colonize diverse environments, especially anthropized habitats generally characterized by their pollution with heavy metals. Whether the presence of heavy metals impacts the performance traits of this plant is a central question to better understand its invasive properties, though no controlled approach to assess these effects was yet reported. In this aim, we undertook greenhouse experiments where rhizome fragments of Japanese knotweed s...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721221/pasireotide-successful-treatment-of-a-sparsely-granulated-tumour-in-a-resistant-case-of-acromegaly
#8
W K M G Amarawardena, K D Liyanarachchi, J D C Newell-Price, R J M Ross, D Iacovazzo, M Debono
The granulation pattern of somatotroph adenomas is well known to be associated with differing clinical and biochemical characteristics, and it has been shown that sparsely granulated tumours respond poorly to commonly used somatostatin receptor ligands (SRLs). We report a challenging case of acromegaly with a sparsely granulated tumour resistant to multiple modalities of treatment, ultimately achieving biochemical control with pasireotide. A 26-year-old lady presented with classical features of acromegaly, which was confirmed by an oral glucose tolerance test...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28720684/fsgs-as-an-adaptive-response-to-growth-induced-podocyte-stress
#9
Ryuzoh Nishizono, Masao Kikuchi, Su Q Wang, Mahboob Chowdhury, Viji Nair, John Hartman, Akihiro Fukuda, Larysa Wickman, Jeffrey B Hodgin, Markus Bitzer, Abhijit Naik, Jocelyn Wiggins, Matthias Kretzler, Roger C Wiggins
Glomerular sclerotic lesions develop when the glomerular filtration surface area exceeds the availability of podocyte foot process coverage, but the mechanisms involved are incompletely characterized. We evaluated potential mechanisms using a transgenic (podocin promoter-AA-4E-BP1) rat in which podocyte capacity for hypertrophy in response to growth factor/nutrient signaling is impaired. FSGS lesions resembling human FSGS developed spontaneously by 7 months of age, and could be induced earlier by accelerating kidney hypertrophy by nephrectomy...
July 18, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28720596/elongator-regulates-hypocotyl-growth-in-darkness-and-during-photomorphogenesis
#10
Magdalena Woloszynska, Olimpia Gagliardi, Filip Vandenbussche, Steven De Groeve, Luis Alonso Baez, Pia Neyt, Sabine Le Gall, Jorge Fung, Paloma Mas, Dominique Van Der Straeten, Mieke Van Lijsebettens
Elongator promotes RNA polymerase II-mediated transcript elongation through epigenetic activities such as histone acetylation. Elongator regulates growth, development, immune response, sensitivity to drought and abscisic acid. We demonstrate that elo mutants exhibit defective hypocotyl elongation but have a normal apical hook in darkness and are hyposensitive to light during photomorphogenesis. These elo phenotypes are supported by transcriptome changes, i.e. downregulation of circadian clock components, positive regulators of skoto- or photomorphogenesis, hormonal pathways and cell wall biogenesis-related factors...
July 18, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28720553/response-to-growth-hormone-treatment-in-a-patient-with-insulin-like-growth-factor-1-receptor-igf1r-deletion
#11
Ranim Mahmoud, Ajanta Naidu, Hiba Risheg, Virginia Kimonis
We report a six year-old boy who presented with short stature, microcephaly, dysmorphic features and developmental delay, who was identified with a terminal deletion of 15q26.2q26.3 containing the insulin like growth factor receptor (IGF1R) gene, in addition to a terminal duplication of the 4q35.1q35.2 region. We compare our case with other reports of deletions and mutations affecting the IGF1R gene associated with pre-and postnatal growth restriction. We report the dramatic response to growth hormone therapy in this patient which highlights the importance of identifying patients with IGF1R deletion and treating them early...
July 17, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28720506/arecoline-activates-latent-transforming-growth-factor-%C3%AE-1-via-mitochondrial-reactive-oxygen-species-in-buccal-fibroblasts-suppression-by-epigallocatechin-3-gallate
#12
Yu-Ping Hsieh, King-Jean Wu, Hsin-Ming Chen, Yi-Ting Deng
BACKGROUND/PURPOSE: Oral submucous fibrosis (OSF) is a premalignant condition caused by the chewing of areca nut (AN). Transforming growth factor β (TGFβ) plays a central role in the pathogenesis of OSF. Connective tissue growth factor (CTGF or CCN2) and early growth response-1 (Egr-1) are important mediators in the fibrotic response to TGFβ in several fibrotic disorders including OSF. Arecoline, a major AN alkaloid, induced the synthesis of CCN2 and Egr-1 in human buccal mucosal fibroblast (BMFs)...
July 15, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28719888/inhibition-of-single-routes-of-intracellular-signaling-is-not-sufficient-to-neutralize-the-biphasic-disturbance-of-a-retinal-endothelial-cell-barrier-induced-by-vegf-a165
#13
Heidrun L Deissler, Gerhard K Lang, Gabriele E Lang
BACKGROUND/AIMS: Hallmark of diabetic macular edema is the enhanced permeability of retinal endothelial cells (REC) induced by vascular endothelial growth factor (VEGF-A165), which acts through activating specific receptors. To improve the predictability of inhibitors' potentials to block harmful effects of VEGF-A165, we investigated if its signaling pathways triggered in REC are redundant. METHODS: Immortalized bovine REC monolayers were treated with inhibitors specific for various protein kinases in combination with VEGF-A165...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28718809/maternal-choline-supplementation-alters-fetal-growth-patterns-in-a-mouse-model-of-placental-insufficiency
#14
Julia H King, Sze Ting Cecilia Kwan, Jian Yan, Kevin C Klatt, Xinyin Jiang, Mark S Roberson, Marie A Caudill
Impairments in placental development can adversely affect pregnancy outcomes. The bioactive nutrient choline may mitigate some of these impairments, as suggested by data in humans, animals, and human trophoblasts. Herein, we investigated the effects of maternal choline supplementation (MCS) on parameters of fetal growth in a Dlx3+/- (distal-less homeobox 3) mouse model of placental insufficiency. Dlx3+/- female mice were assigned to 1X (control), 2X, or 4X choline intake levels during gestation. Dams were sacrificed at embryonic days E10...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28717648/response-detection-of-castrate-resistant-prostate-cancer-to-clinically-utilised-and-novel-treatments-by-monitoring-phospholipid-metabolism
#15
Tim A D Smith, Su M Phyu, Kholoud S Alzyoud, Chih-Chung Tseng
Androgen receptor (AR) activation is the primary driving factor in prostate cancer which is initially responsive to castration but then becomes resistant (castration-resistant prostate cancer (CRPC)). CRPC cells still retain the functioning AR which can be targeted by other therapies. A recent promising development is the use of inhibitors (Epi-1) of protein-protein interaction to inhibit AR-activated signalling. Translating novel therapies into the clinic requires sensitive early response indicators. Here potential response markers are explored...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28716058/srf-modulates-seizure-occurrence-activity-induced-gene-transcription-and-hippocampal-circuit-reorganization-in-the-mouse-pilocarpine-epilepsy-model
#16
Pascal Lösing, Cristina Elena Niturad, Merle Harrer, Christopher Meyer Zu Reckendorf, Theresa Schatz, Daniela Sinske, Holger Lerche, Snezana Maljevic, Bernd Knöll
A hallmark of temporal lobe epilepsy (TLE) is hippocampal neuronal demise and aberrant mossy fiber sprouting. In addition, unrestrained neuronal activity in TLE patients induces gene expression including immediate early genes (IEGs) such as Fos and Egr1.We employed the mouse pilocarpine model to analyze the transcription factor (TF) serum response factor (SRF) in epileptogenesis, seizure induced histopathology and IEG induction. SRF is a neuronal activity regulated TF stimulating IEG expression as well as nerve fiber growth and guidance...
July 17, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28714780/atezolizumab-for-the-treatment-of-non-small-cell-lung-cancer
#17
Fernando C Santini, Charles M Rudin
The immune system can restrain or promote cancer development and growth. Antibodies targeting immune checkpoints have revolutionized cancer treatment. Among the best responses have been in non-small cell lung cancer (NSCLC) which is largely caused by chronic exposure to carcinogens; associated with high neoantigen creation and sensitization to immune recognition. Atezolizumab was the first approved antibody that targets the PD-1 ligand (PD-L1). Areas Covered: This drug profile article covers the basics of the cancer-immunity cycle and reviews some aspects of innate and adaptive immunology...
July 17, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28714662/enhancing-the-osteogenic-capability-of-core-shell-bilayered-bioceramic-microspheres-with-adjustable-biodegradation
#18
Xiurong Ke, Chen Zhuang, Xianyan Yang, Jia Fu, Sanzhong Xu, Lijun Xie, Zhongru Gou, Juncheng Wang, Lei Zhang, Guojing Yang
This study describes the fabrication and biological evaluation of core-shell bilayered bioceramic microspheres with adjustable compositional distribution via a coaxial bilayer capillary system. Beyond the homogeneous hybrid composites, varying the diameter of capillary nozzles and the composition of the bioceramic slurries makes it easy to create bilayered β-tricalcium phosphate (CaP)/β-calcium silicate (CaSi) microspheres with controllable compositional distribution in the core or shell layer. Primary investigations in vitro revealed that biodegradation could be adjusted by compositional distribution or shell thickness and that poorly soluble CaP located on the shell layer of CaP or CaSi@CaP microspheres was particularly beneficial for mesenchymal stem cell adhesion and growth in the early stage, but the ion release from the CaP@CaSi exhibited a potent stimulating effect on alkaline phosphatase expression of the cells at longer times...
July 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28714398/nutlin-3-a-p53-mdm2-antagonist-for-nasopharyngeal-carcinoma-treatment
#19
Voon Yee-Lin, Wong Pooi-Fong, Alan Khoo Soo-Beng
Nasopharyngeal carcinoma (NPC) is a form of head and neck cancer of multifactorial etiologies that is highly prevalent among men in the populations of Southern China and Southeast Asia. NPC has claimed many thousands of lives worldwide; but the low awareness of NPC remains a hindrance in early diagnosis and prevention of the disease. NPC is highly responsive to radiotherapy and chemotherapy, but radiocurable NPC is still dependent on concurrent treatment of megavoltage radiotherapy with chemotherapy. Despite a significant reduction in loco-regional and distant metastases, radiotherapy alone has failed to provide a significant improvement in the overall survival rate of NPC, compared to chemotherapy...
July 17, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28713898/identification-of-potential-biomarkers-and-therapeutic-targets-for-human-iga-nephropathy-and-hypertensive-nephropathy-by-bioinformatics-analysis
#20
Yingchun Cui, Shengmao Liu, Wenpeng Cui, Dan Gao, Wenhua Zhou, Ping Luo
In order to further elucidate the potential correlations and treatments of IgA nephropathy (IgAN) and hypertensive nephropathy (HT), bioinformatics analysis of IgAN and HT was performed. The mRNA expression profiles of human renal biopsy samples from patients with IgAN, patients with HT and pre‑transplant healthy living controls (LD) were downloaded from the Gene Expression Omnibus database. Then, the differentially expressed genes (DEGs) were identified and functions of DEGs were analyzed. Finally, the regulatory networks containing DEGs and related‑transcription factors (TFs) were constructed using Cytoscape software...
July 15, 2017: Molecular Medicine Reports
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