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https://www.readbyqxmd.com/read/28728173/glucocorticoid-induced-leucine-zipper-protects-the-retina-from-light-induced-retinal-degeneration-by-inducing-bcl-xl-in-rats
#1
Ruiping Gu, Wenyi Tang, Boya Lei, Xinyi Ding, Cheng Jiang, Gezhi Xu
Purpose: The aim of the present study was to investigate the neuroprotective effects of glucocorticoid-induced leucine zipper (GILZ) in a light-induced retinal degeneration model and to explore the underlying mechanisms. Methods: Intravitreal injection of recombinant GILZ-overexpressing lentivirus (OE-GILZ-rLV) and short hairpin RNA targeting GILZ recombinant lentivirus (shRNA-GILZ-rLV) was performed to up- and downregulate retinal GILZ, respectively. Three days after stable transduction, rats were exposed to continuous bright light (5000 lux) for 2 days...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28723918/heterogeneity-of-p53-dependent-genomic-responses-following-ethanol-exposure-in-a-developmental-mouse-model-of-fetal-alcohol-spectrum-disorder
#2
Maria Camargo Moreno, Sandra M Mooney, Frank A Middleton
Prenatal ethanol exposure can produce structural and functional deficits in the brain and result in Fetal Alcohol Spectrum Disorder (FASD). In rodent models acute exposure to a high concentration of alcohol causes increased apoptosis in the developing brain. A single causal molecular switch that signals for this increase in apoptosis has yet to be identified. The protein p53 has been suggested to play a pivotal role in enabling cells to engage in pro-apoptotic processes, and thus figures prominently as a hub molecule in the intracellular cascade of responses elicited by alcohol exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28723842/reduced-neuromuscular-performance-in-amenorrheic-elite-endurance-athletes
#3
Åsa B Tornberg, Anna Melin, Fiona Manderson Koivula, Anders Johansson, Sven Skouby, Jens Faber, Anders Sjödin
INTRODUCTION: Secondary functional hypothalamic amenorrhea (SFHA) is common among female athletes, especially in weight-sensitive sports. The aim of this study was to investigate the link between SFHA and neuromuscular performance in elite endurance athletes. METHODS: Sixteen eumenorrheic (EUM) and 14 SFHA athletes from national teams and competitive clubs participated. Methods included gynecological examination; body composition (DXA);; resting metabolic rate and work efficiency; exercise capacity; knee muscular strength (KMS) and knee muscular endurance (KME); reaction time (RT); blood sampling performed on the 3rd-5th day of the menstrual cycle, and 7-day assessment of energy availability...
July 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28722536/travel-burden-associated-with-granulocyte-colony-stimulating-factor-administration-in-a-medicare-aged-population-a-geospatial-analysis
#4
J Mark Stephens, Mark Bensink, Charles Bowers, Christopher S Hollenbeak
OBJECTIVE: Prophylaxis with granulocyte colony-stimulating factors (G-CSFs) is recommended for patients receiving myelosuppressive chemotherapy regimens with a high risk of febrile neutropenia (FN). G-CSFs should be administered starting the day after chemotherapy, necessitating return trips to the oncology clinic at the end of each cycle. We examined the travel burden related to prophylactic G-CSF injections after chemotherapy in the United States (US). METHODS: We used 2012-2014 Medicare claims data to identify a national cohort of beneficiaries age 65+ with non-myeloid cancers who received both chemotherapy and prophylactic G-CSFs...
July 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28722260/effect-of-long-distance-transportation-on-serum-metabolic-profiles-of-steer-calves
#5
Satoshi Takemoto, Shozo Tomonaga, Masayuki Funaba, Tohru Matsui
Long-distance transportation is sometimes inevitable in the beef industry because of the geographic separation of major breeding and fattening areas. Long-distance transportation negatively impacts production and health of cattle, which may, at least partly, result from the disturbance of metabolism during and after transportation. However, alteration of metabolism remains elusive in transported cattle. We investigated the effects of transportation on the metabolomic profiles of Holstein steer calves. Non-targeted analysis of serum concentrations of low molecular weight metabolites was performed by gas chromatography mass spectrometry...
July 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28721893/multicenter-phase-2-study-of-peri-irradiation-chemotherapy-plus-intensity-modulated-radiation-therapy-with-concurrent-weekly-docetaxel-for-inoperable-or-medically-unresectable-nonmetastatic-gastric-cancer
#6
Yong Liu, Guoqi Zhao, Yi Xu, Xia He, Xiaodong Li, Hui Chen, Qin Wu, Shengyu Yao, Ge Yan, Tingfeng Chen
PURPOSE: To assess the efficacy and feasibility of concurrent chemoradiation therapy (CCRT) plus preradiation and postradiation chemotherapy for patients with nonmetastatic gastric carcinoma who do not undergo surgery. METHODS AND MATERIALS: Patients with inoperable (due to medical comorbid conditions or patient's refusal to undergo surgery) or unresectable gastric cancer received up to 2 21-day cycles of preradiation and postradiation chemotherapy (docetaxel 37...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28716091/suppression-of-the-phytoene-synthase-gene-egcrtb-alters-carotenoid-content-and-intracellular-structure-of-euglena-gracilis
#7
Shota Kato, Mika Soshino, Shinichi Takaichi, Takahiro Ishikawa, Noriko Nagata, Masashi Asahina, Tomoko Shinomura
BACKGROUND: Photosynthetic organisms utilize carotenoids for photoprotection as well as light harvesting. Our previous study revealed that high-intensity light increases the expression of the gene for phytoene synthase (EgcrtB) in Euglena gracilis (a unicellular phytoflagellate), the encoded enzyme catalyzes the first committed step of the carotenoid biosynthesis pathway. To examine carotenoid synthesis of E. gracilis in response to light stress, we analyzed carotenoid species and content in cells grown under various light intensities...
July 17, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28714568/exposure-to-reversine-affects-the-chondrocyte-morphology-and-phenotype-in-vitro
#8
S Gasparini, F Villa, L Molfetta, E Repaci, P Castagnola, R Quarto, P Giannoni
Articular chondrocytes derived from osteoarthritic tissues (OA-HAC) show a severely reduced chondrogenic commitment. This impairment undermines their use for tissue-engineered cartilage repair, which relies on cell proliferation and growth to meet the therapeutic needs but also on efficient cell plasticity to recover the chondrogenic phenotype. Reversine (Rev), a 2,6-disubstituted purine inhibitor of spindle-assembly checkpoints, was described to convert differentiated mesenchymal cells to their undifferentiated precursors...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28714526/different-postconditioning-cycles-affect-prognosis-of-aged-patients-undergoing-primary-percutaneous-coronary-intervention
#9
Jie Zhang, Xin Zhang, Yuqi Cui, Misbahul Ferdous, Lianqun Cui, Peng Zhao
BACKGROUND: Postconditioning can affect the infarct size in acute myocardial infarction (AMI). However, few studies show an effect of different postconditioning cycles on AMI aged patients. This study sought to assess the effect of different postconditioning cycles on prognosis in aged patients with AMI who underwent primary percutaneous coronary intervention (PCI). METHODS: 74 aged patients were randomly assigned to three groups. Control group; PC-1 group accepted postconditioning 4 cycles of 30 s inflation and 30 s deflation; PC-2 group accepted postconditioning 4 cycles of 60 s...
July 17, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28712602/anaplerotic-therapy-in-propionic-acidemia
#10
Nicola Longo, Leisa B Price, Eduard Gappmaier, Nancy L Cantor, Sharon L Ernst, Carrie Bailey, Marzia Pasquali
BACKGROUND: Propionic acidemia is a rare metabolic disorder caused by a deficiency of propionyl- CoA carboxylase, the enzyme converting propionyl-CoA to methylmalonyl-CoA that subsequently enters the citric acid cycle as succinyl-CoA. Patients with propionic acidemia cannot metabolize propionic acid, which combines with oxaloacetate to form methylcitric acid. This, with the defective supply of succinyl-CoA, may lead to a deficiency in citric acid cycle intermediates. PURPOSE: The objective of this study was to determine whether supplements with glutamine (400mg/kg per day), citrate (7...
July 12, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28711931/apc-c-is-essential-for-hematopoiesis-and-impaired-in-aplastic-anemia
#11
Jia Wang, Min-Zhi Yin, Ke-Wen Zhao, Fang Ke, Wen-Jie Jin, Xiao-Lin Guo, Tian-Hui Liu, Xiao-Ye Liu, Hao Gu, Xiao-Min Yu, Zhen Li, Li-Li Mu, Deng-Li Hong, Jing Chen, Guo-Qiang Chen
Anaphase promoting complex/cyclosome (APC/C) is essential for cell cycle progression. Recently, its non-mitotic functions were also reported but less studied in several tissues including hematopoietic cells. Here, we developed an inducible Anapc2 (a core subunit of APC/C) knockout mice. The animals displayed a fatal bone marrow failure within 7 days after knockout induction. Their hematopoietic stem and progenitor cells (HSPCs) demonstrated a sharp decline and could form little colony. Further, the results of BrdU label-retaining cell assay showed that the dormant HPSCs lost rapidly...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28711467/retrospective-study-of-jellyfish-envenomation-in-emergency-wards-in-guadeloupe-between-2010-and-2016-when-to-diagnose-irukandji-syndrome
#12
Djoudi Bouyer-Monot, Stéphane Pelczar, Serge Ferracci, Denis Boucaud-Maitre
BACKGROUND: In Guadeloupe (French West Indies), many marine envenomation cases by jellyfish are observed. Some of them might induce an Irukandji syndrome (IS). The aim of this study was to analyse the clinical features of IS from the envenomation cases in the two public hospitals in Guadeloupe, and to compare them to non-IS stings. METHODS: All jellyfish envenomation cases between the 1st of January 2010 and the 1st of September 2016, from the emergencies data-base, have been extracted...
July 12, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28708524/follicular-waves-and-hormonal-profiles-during-the-estrous-cycle-of-carriers-and-non-carriers-of-the-trio-allele-a-major-bovine-gene-for-high-ovulation-and-fecundity
#13
Alvaro García-Guerra, Brian W Kirkpatrick, Milo C Wiltbank
A high fecundity bovine genotype has recently been discovered and genetic mapping indicates evidence for segregation of a major gene with influence on ovulation rate located on bovine chromosome 10. Cattle carrying the high fecundity allele, referred to as the Trio allele, have multiple ovulations while half-sibling, non-carriers generally have single ovulations. The present study was designed to evaluate follicle wave patterns and associated circulating hormones during the estrous cycle of Trio allele carriers (n = 7) and non-carrier half-sib controls (n = 5)...
June 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28708229/adjuvant-chemoradiotherapy-gemcitabine-based-in-pancreatic-adenocarcinoma-the-pisa-university-experience
#14
Aldo Sainato, Sabrina Montrone, Francesco Pasqualetti, Marianna Coppola, Nunzia L V Cernusco, Marco Panichi, Alessandra Gonnelli, Enrico Vasile, Riccardo Morganti, Alfredo Falcone, Ugo Boggi, Fabiola Paiar
INTRODUCTION: The role of adjuvant chemoradiotherapy in patients with pancreatic adenocarcinoma (PA) is controversial. In this study we aimed to assess the feasibility, disease-free survival (DFS) and overall survival (OS) of adjuvant chemoradiotherapy (gemcitabine based) in patients with resected PA and their correlation with prognostic factors. METHODS: 122 resected patients (stage ≥IIa) treated between February 1999 and December 2013 were analyzed. Two cycles of gemcitabine (1,000 mg/m2 on days 1, 8 and 15 every 28 days) were administered before concomitant radiotherapy (45 Gy/25 fractions) and chemotherapy (gemcitabine 300 mg/m2 weekly)...
July 11, 2017: Tumori
https://www.readbyqxmd.com/read/28707040/non-invasive-remote-ischemic-postconditioning-stimulates-neurogenesis-during-the-recovery-phase-after-cerebral-ischemia
#15
Dan Huang, Honghong Liu, Yun Qu, Pu Wang
Ischemic postconditioning (IPostC) has been reported to have neuroprotection against ischemic diseases, and one cycle of IPostC induces neurogenesis when treated nearby. To expanding these effects, we explored the effects of repetitively remote IPostC (NRIPostC) on neurogenesis in the subgranular zone (SGZ) and subentricular zone (SVZ) during stroke recovery. Animals underwent transient cerebral ischemia were treated with vehicle or NRIPostC immediately after reperfusion. Neurological severity scores, infarct size, neurogenesis, and protein expression levels of nestin and GFAP were quantified at 3d, 7d, 14d, 21d and 28d post-ischemia...
July 13, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28706538/safety-of-100%C3%A2-%C3%A2%C2%B5g-venom-immunotherapy-rush-protocols-in-children-compared-to-adults
#16
Johanna Stoevesandt, Christine Hosp, Andreas Kerstan, Axel Trautmann
BACKGROUND: There is a paucity of studies examining the safety of venom immunotherapy (VIT) in children. We aimed to assess the incidence of anaphylactic side effects during rush VIT in a cohort of pediatric patients and adult controls. METHODS: 72 consecutive cycles of VIT-buildup in 71 children/adolescents aged 7-17 years were retrospectively evaluated and compared to an adult control group (n = 981) with regard to baseline parameters (sex, causative venom, severity of index sting reaction, results of allergy testing, comorbidities) and the incidence of anaphylactic adverse reactions...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28705917/curative-multi-cycle-radioimmunotherapy-monitored-by-quantitative-spect-ct-based-theranostics-using-bispecific-antibody-pretargeting-strategy-in-colorectal-cancer
#17
Sarah M Cheal, Edward K Fung, Miteshkumar V Patel, Blesida Punzalan, Hong Xu, Hong-Fen Guo, Pat B Zanzonico, Sebastien Monette, Karl Dane Wittrup, Nai-Kong Cheung, Steven M Larson
Radioimmunotherapy of solid tumors using antibody-targeted radionuclides has been limited by low therapeutic indices (TI). We recently reported a novel three-step pretargeted radioimmunotherapy (PRIT) strategy based on a glycoprotein A33 (GPA33)-targeting bispecific antibody (bsAb) and a small-molecule radioactive hapten, a complex of lutetium-177 ((177)Lu) and S-2-(4-aminobenzyl)-1,4,7,10-tetraazacyclododecane tetraacetic acid ((177)Lu-DOTA-Bn) that leads to high TIs for radiosensitive tissues such as blood (TI = 73) and kidney (TI = 12)...
July 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28704910/late-developing-metastatic-malignant-melanoma-in-the-thoracic-spine-originating-from-choroidal-melanoma
#18
Jun Kyu Hwang, Kyung Hyun Kim, Ji Sup Kim, Sung Jun Ahn, Sung Uk Kuh
A 54-year-old woman visited Gangnam Severance Hospital for left side flank pain. She had a history of total removal of malignant melanoma on the left eye ball 20 years prior. No evaluation had been performed since then. A paravertebral mass at thoracic ninth level (T9) was discovered on spinal magnetic resonance imaging, and pathology confirmed malignant melanoma. Following positron emission tomography-computed tomography, no other metastasis was discovered. After removal of the paravertebral mass, palliative chemotherapy (dacabarzine + tamoxifene) was administered in 3 cycles over 2 months...
June 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/28704882/neuromuscular-adaptations-to-combined-strength-and-endurance-training-order-and-time-of-day
#19
Maria Küüsmaa-Schildt, Daniela Eklund, Janne Avela, Tuomas Rytkönen, Robert Newton, Mikel Izquierdo, Keijo Häkkinen
The present study examined the effects of 24 weeks of morning vs. evening same-session combined strength (S) and endurance (E) training on neuromuscular and endurance performance. Fifty-one men were assigned to the morning (m) or evening (e) training group, where S preceded E or vice versa (SEm, ESm, SEe and ESe), or to the control group. Isometric force, voluntary activation, EMG and peak wattage during the maximal cycling test were measured. Training time did not significantly affect the adaptations. Therefore, data are presented for SEm+e (SEm+SEe) and ESm+e (ESm+ESe)...
July 13, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28704807/high-sensitivity-troponin-t-and-nt-probnp-kinetics-in-breast-cancer-chemotherapy
#20
Pooja Advani, Jonathan Hoyne, Alvaro Moreno-Aspita, Marcia Dubin, Shelly Brock, Caroline Harlow, Saranya Chumsri, Thomas Suter, Joseph L Blackshear
BACKGROUND/AIMS: Doxorubicin (DOX) and trastuzumab (TRA) are associated with cardiac dysfunction. METHOD: High-sensitivity troponin T (hs-TnT) and brain natriuretic peptide attached to the amino acid N-terminal fragment in the prohormone (NT-proBNP) were measured before and on days +1, +2, +3, and +7 during cycles 1 and 2 of therapy with DOX or TRA in breast cancer patients. RESULTS: Five of eleven DOX-treated women, compared with 2/11 TRA-treated women, had undetectable baseline hs-TnT...
July 14, 2017: Chemotherapy
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