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https://www.readbyqxmd.com/read/28938790/factors-affecting-adipose-tissue-development-in-chickens-a-review
#1
Guoqing Wang, Woo Kyun Kim, Mark A Cline, Elizabeth R Gilbert
The intense genetic selection for rapid growth in broilers has resulted in an increase in voluntary feed intake and growth rate, accompanied by increased fat deposition in adipose tissue depots throughout the body. Adipose tissue expansion is a result of the formation of adipocytes (several processes collectively referred to as adipogenesis) and cellular accumulation of triacylglycerols inside lipid droplets. In mammals, different anatomical depots are metabolically distinct. The molecular and cellular mechanisms underlying adipose tissue development have been characterized in mammalian models, whereas information in avian species is scarce...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938785/growth-performance-and-gastrointestinal-responses-of-broiler-chickens-fed-corn-soybean-meal-diet-without-or-with-exogenous-epidermal-growth-factor-upon-challenge-with-eimeria
#2
E Kim, H Leung, N Akhtar, J Li, J R Barta, Y Wang, C Yang, E Kiarie
Epidermal growth factor (EGF), a protein known for its mitogenic and anti-apoptotic effects was fed to broiler chickens to evaluate growth performance, gastrointestinal measurements, and apparent retention (AR) of components upon challenge with Eimeria. A total of 216, d old male broiler chicks (Ross 708) were placed in cages (6 birds/cage) and allocated to treatments. The treatments were: 1) control (Lactotobacilli lactis fermentation supernatant without EGF), 2) 80 μg of EGF/kg BW/d, and 3) 160 μg of EGF/kg BW/d...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938696/the-molecular-mechanisms-of-chemoresistance-in-cancers
#3
REVIEW
Hua-Chuan Zheng
Overcoming intrinsic and acquired drug resistance is a major challenge in treating cancer patients because chemoresistance causes recurrence, cancer dissemination and death. This review summarizes numerous molecular aspects of multi-resistance, including transporter pumps, oncogenes (EGFR, PI3K/Akt, Erk and NF-κB), tumor suppressor gene (p53), mitochondrial alteration, DNA repair, autophagy, epithelial-mesenchymal transition (EMT), cancer stemness, and exosome. The chemoresistance-related proteins are localized to extracellular ligand, membrane receptor, cytosolic signal messenger, and nuclear transcription factors for various events, including proliferation, apoptosis, EMT, autophagy and exosome...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938608/use-of-confocal-laser-endomicroscopy-with-a-fluorescently-labeled-fatty-acid-to-diagnose-colorectal-neoplasms
#4
Feihong Deng, Yuan Fang, Zhiyong Shen, Wei Gong, Tao Liu, Jing Wen, Wanling Zhang, Xianjun Zhu, Hui Zhong, Tong Wang, Fachao Zhi, Biao Nie
Endoscopic treatment for early colorectal cancer closely correlates with patient prognosis. However, endoscopic differentiation between carcinomas and non-neoplastic lesions remains difficult. Here, we topically stained colorectal neoplasms with a fatty acid analogue (BODIPY-FA) and quantified the fluorescent signals using confocal laser endomicroscopy (CLE) and fluorescence microscopy. We also analyzed protein expression in colorectal cancer tissues. We found that expression of fatty acid synthase was elevated, while the expression of fatty acid transporters was reduced in colorectal cancer...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938592/visible-light-sensitive-titanium-dioxide-nanoplatform-for-tumor-responsive-fe2-liberating-and-artemisinin-delivery
#5
Huijuan Zhang, Hongling Zhang, Xing Zhu, Xiaoge Zhang, Qianqian Chen, Jianjiao Chen, Lin Hou, Zhenzhong Zhang
Artemisinin is a kind of Fe(2+)-dependent drugs. Artemisinin and Fe(2+) co-transport systems can improve its anti-tumor effect. In this study, a visible light-sensitive nanoplatform (HA-TiO2-IONPs/ART) was developed. Detailed investigation demonstrated that HA-TiO2-IONPs/ART could realize Fe(2+) and artemisinin synchronous co-delivery and tumor-responsive release. This feature enhanced the anti-tumor efficiency of artemisinin significantly. In vitro results proved that hyaluronic acid modification could improve the biocompatibility, dispersion stability and cytophagy ability of nanocarriers...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938485/duodenal-sodium-glucose-co-transporter-1-expression-under-fasting-conditions-is-associated-with-post-load-hyperglycemia
#6
Teresa Vanessa Fiorentino, Evelina Suraci, Gaetano Paride Arcidiacono, Antonio Cimellaro, Chiara Mignogna, Ivan Presta, Francesco Andreozzi, Marta Letizia Hribal, Francesco Perticone, Giuseppe Donato, Francesco Luzza, Giorgio Sesti
Context: Type 2 diabetes (T2DM) is associated with a higher intestinal expression of the glucose transporters sodium/glucose co-transporter 1 (SGLT-1) and glucose transporter 2 (GLUT-2). It is currently unsettled whether prediabetes conditions characterized by post-prandial hyperglycemia, such as impaired glucose tolerance (IGT) and normal glucose tolerance (NGT) with 1-h post-load glucose ≥155 mg/dl (8.6 mmol/l) (NGT-1h-high) are associated with increased expression of these glucose carriers in the intestine...
September 11, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938481/vesicular-glutamate-transporter-1-knockdown-in-infralimbic-prefrontal-cortex-augments-neuroendocrine-responses-to-chronic-stress-in-male-rats
#7
Brent Myers, Jessica M McKlveen, Rachel Morano, Yvonne M Ulrich-Lai, Matia B Solomon, Steven P Wilson, James P Herman
Chronic stress-associated pathologies frequently associate with alterations in the structure and activity of medial prefrontal cortex (mPFC). However, the influence of infralimbic cortex (IL) projection neurons on HPA axis activity is unknown, as is the involvement of these cells in chronic stress-induced endocrine alterations. In the current study, a lentiviral-packaged vector coding for a small interfering RNA (siRNA) targeting vesicular glutamate transporter 1 (vGluT1) mRNA was microinjected into the IL of male rats...
July 25, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938472/dopamine-neuron-restricted-leptin-receptor-lepr-signaling-reduces-some-aspects-of-food-reward-but-exacerbates-the-obesity-of-lepr-deficient-male-mice
#8
Maggie C Evans, Greg M Anderson
The contribution of leptin-induced modulation of dopamine neurons to feeding behavior and energy homeostasis remains unclear. Midbrain dopamine neurons regulate the reward value of food, and direct leptin administration to the midbrain reduces food intake. However, selective deletion of leptin receptors (Lepr) from dopamine neurons has no effect on body weight, food intake or hedonic responses, either suggesting leptin acts indirectly or demonstrating sufficient compensation occurs to mask any direct leptin-dopamine effects...
August 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938430/role-of-the-bile-acid-transporter-slc10a1-in-liver-targeting-of-the-lipid-lowering-thyroid-hormone-analog-eprotirome
#9
Simone Kersseboom, Anja L M van Gucht, Alies van Mullem, Giulia Brigante, Stefania Farina, Bo Carlsson, Joanne M Donkers, Stan F J van de Graaf, Robin P Peeters, Theo J Visser
The thyroid hormone (TH) analog eprotirome (KB2115; 3-[[3,5-dibromo-4-[4-hydroxy-3-(1-methylethyl)-phenoxy]-phenyl]-amino]-3-oxopropanoic acid) was developed to lower cholesterol through selective activation of the T3 receptor isoform TRβ1 in the liver. Interestingly, eprotirome shows low uptake in non-hepatic tissues, explaining its lipid-lowering action without adverse extra-hepatic thyromimetic effects. Clinical trials have shown marked decreases in serum cholesterol levels.We explored the transport of eprotirome across the plasma membrane by members of three TH transporter families: monocarboxylate transporters MCT8 and 10, Na-independent organic anion transporters OATP1A2, 1B1, 1B3, 1C1, 2A1 and 2B1, and Na-dependent organic anion transporters SLC10A1-7...
August 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938393/ilizarov-treatment-protocols-in-the-management-of-infected-nonunion-of-the-tibia
#10
Martin McNally, Jamie Ferguson, Raj Kugan, David Stubbs
OBJECTIVES: We present a treatment algorithm comprising 4 Ilizarov methods in managing infected tibial nonunion, using nonunion mobility and segmental defect size to govern treatment choice. DESIGN: Decision protocol analysis study. SETTING: A university-affiliated teaching hospital. PATIENTS/PARTICIPANTS: Seventy-nine patients were treated with 1 of 4 Ilizarov protocols. All patients had undergone at least one previous operation, 38 had associated limb deformity, and 49 had nonviable nonunions...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938392/segmental-bone-loss-reconstruction-using-ring-fixation
#11
Stephen M Quinnan
Ring fixation is a powerful tool in the treatment of bone defects. The ability to create high-quality, biologically normal new bone of even massive proportions using distraction osteogenesis is a major reason for its success. In addition, ring fixation provides the ability to limit the risk of deep infection, improves flexibility in limb length control and alignment, and increases soft tissue coverage options. The drawbacks of ring fixation include long frame times, pin problems, risk of joint contractures, and difficult usage in areas with a large soft tissue envelope such as the thigh...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938391/all-internal-segmental-bone-transport-and-optional-lengthening-with-a-newly-developed-universal-cylinder-kombi-tube-module-for-motorized-nails-description-of-a-surgical-technique
#12
Christian Krettek, Ashraf El Naga
Segmental transport is an effective method of treatment for segmental defects, but the need for external fixation during the transport phase is a disadvantage. To avoid external fixation, we have developed a Cylinder-Kombi-Tube Segmental Transport (CKTST) module for combination with a commercially available motorized lengthening nail. This CKTST module allows for an all-internal segmental bone transport and also allows for optional lengthening if needed. The concept and surgical technique of CKTST are described and illustrated with a clinical case...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938337/pulse-pressure-is-associated-with-plasma-amyloid-%C3%AE-transport-dysfunction
#13
Yu Jiang, Suhang Shang, Pei Li, Chen Chen, Liangjun Dang, Jin Wang, Kang Huo, Meiying Deng, Jingyi Wang, Qiumin Qu
OBJECTIVE: Increased pulse pressure (PP) has been implicated in the development and progression of Alzheimer's disease in middle-aged and elderly adults. Considering the close relationship between peripheral amyloid-β clearance and brain amyloid-β deposition, we investigated the potential association between PP and plasma amyloid-β transport function. METHODS: In this cross-sectional study, a total of 1118 participants underwent a health assessment and quantification of plasma amyloid-β and amyloid-β transporter expression...
September 21, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28938312/long-cold-ischemia-times-in-same-hospital-deceased-donor-transplants
#14
Eric Kh Chow, Sandra DiBrito, Xun Luo, Corey Wickliffe, Allan B Massie, Jayme E Locke, Sommer E Gentry, Jacqueline Garonzik-Wang, Dorry L Segev
BACKGROUND: Recent changes in deceased donor organ allocation for livers (Share-35) and kidneys (KAS) have resulted in broader sharing of organs and increased cold ischemia time (CIT). Broader organ sharing however is not the only cause of increased CIT. METHODS: This was a retrospective registry study of CIT in same-hospital liver transplants (SHLT, n=4,347) and kidney transplants (SHKT, n=9,707) between 2004 and 2014. RESULTS: In SHLT, median (IQR) CIT was 5...
September 20, 2017: Transplantation
https://www.readbyqxmd.com/read/28938291/feasibility-and-safety-of-controlled-active-hypothermia-treatment-during-transport-in-neonates-with-hypoxic-ischemic-encephalopathy
#15
Eniko Szakmar, Kata Kovacs, Unoke Meder, Agnes Nagy, Andras Szell, Bojan Bundzsity, Zsolt Somogyvari, Attila J Szabo, Miklos Szabo, Agnes Jermendy
OBJECTIVES: To evaluate the feasibility and safety of controlled active hypothermia versus standard intensive care during neonatal transport in patients with hypoxic-ischemic encephalopathy. DESIGN: Cohort study with a historic control group. SETTING: All infants were transported by Neonatal Emergency & Transport Services to a Level-III neonatal ICU. PATIENTS: Two hundred fourteen term newborns with moderate-to-severe hypoxic-ischemic encephalopathy...
September 21, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28938286/optimizing-bone-defect-reconstruction-balanced-cable-transport-with-circular-external-fixation
#16
Stephen Matthew Quinnan, Charles Lawrie
Distraction osteogenesis has proven effective in the management of tibial bone loss from severe trauma and infection. Unfortunately, pain and scarring from wires and half pins dragging through the skin and the required prolonged time in the external fixator make treatment difficult. Cable bone transport has been shown to improve cosmesis and decrease pain during transport. However, the published methods have limitations in that they have poor control of transport segment alignment, do not allow for lengthening of the limb, and do not permit weight bearing during the treatment process...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938276/anesthesia-with-dexmedetomidine-and-low-dose-isoflurane-increases-solute-transport-via-the-glymphatic-pathway-in-rat-brain-when-compared-with-high-dose-isoflurane
#17
Helene Benveniste, Hedok Lee, Fengfei Ding, Qian Sun, Ehab Al-Bizri, Rany Makaryus, Stephen Probst, Maiken Nedergaard, Elliot A Stein, Hanbing Lu
BACKGROUND: The glymphatic pathway transports cerebrospinal fluid through the brain, thereby facilitating waste removal. A unique aspect of this pathway is that its function depends on the state of consciousness of the brain and is associated with norepinephrine activity. A current view is that all anesthetics will increase glymphatic transport by inducing unconsciousness. This view implies that the effect of anesthetics on glymphatic transport should be independent of their mechanism of action, as long as they induce unconsciousness...
September 22, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28938220/metabolic-correlate-of-memory-deficit-awareness-in-dementia-with-lewy-bodies-implication-in-cortical-midline-structure
#18
Tomomichi Iizuka, Masashi Kameyama
The neural substrate of memory-deficit awareness has been studied in mild cognitive impairment and Alzheimer's disease (AD). However, little is known about that in dementia with Lewy bodies (DLB). To determine the neural substrates of memory-deficit awareness in DLB, we investigated the relationship between awareness of memory-deficit and glucose metabolism in DLB. Thirty-four patients with DLB were assessed by (18)F-FDG-PET and dopamine transporter (DAT)-SPECT. The awareness was evaluated using an awareness index that represents the discrepancy between objective and subjective memory scores...
September 13, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28938209/interactions-between-biogenic-selenium-nanoparticles-and-goethite-colloids-and-consequence-for-remediation-of-elemental-mercury-contaminated-groundwater
#19
Xiaonan Wang, Daoyong Zhang, Haifeng Qian, Yan Liang, Xiangliang Pan, Geoffrey Michael Gadd
Ubiquitous colloidal minerals such as goethite can have a significant impact on the performance of nanoparticles-based groundwater remediation due to aggregation. Heteroaggregation and retention of Se nanoparticles (SeNPs) by goethite in groundwater, and its impact on Hg(0) remediation by SeNPs were investigated in this study. In order to mitigate the adverse effects of aggregation, the effects of bacterial extracellular polymeric substances (EPS) on the stability of SeNPs and Hg(0) sequestration using SeNPs were also evaluated...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28938074/native-electron-capture-dissociation-maps-to-iron-binding-channels-in-horse-spleen-ferritin
#20
Owen S Skinner, Michael O McAnally, Richard P Van Duyne, George C Schatz, Kathrin Breuker, Philip D Compton, Neil L Kelleher
Native electron capture dissociation (NECD) is a process during which proteins undergo fragmentation similar to that from radical dissociation methods, but without the addition of exogenous electrons. However, after three initial reports of NECD from the cytochrome c dimer complex, no further evidence of the effect has been published. Here, we report NECD behavior from horse spleen ferritin, a ~490 kDa protein complex ~20-fold larger than the previously studied cytochrome c dimer. Application of front-end infrared excitation (FIRE) in conjunction with low- and high-m/z quadrupole isolation and collisionally activated dissociation (CAD) provides new insights into the NECD mechanism...
September 22, 2017: Analytical Chemistry
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