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https://www.readbyqxmd.com/read/28820908/ribosomopathy-like-properties-of-murine-and-human-cancers
#1
Sucheta Kulkarni, James M Dolezal, Huabo Wang, Laura Jackson, Jie Lu, Brian P Frodey, Atinuke Dosunmu-Ogunbi, Youjun Li, Marc Fromherz, Audry Kang, Lucas Santana-Santos, Panayiotis V Benos, Edward V Prochownik
Ribosomopathies comprise a heterogeneous group of hematologic and developmental disorders, often characterized by bone marrow failure, skeletal and other developmental abnormalities and cancer predisposition. They are associated with mutations and/or haplo-insufficiencies of ribosomal proteins (RPs) and inefficient ribosomal RNA (rRNA) processing. The resulting ribosomal stress induces the canonical p19ARF/Mdm2/p53 tumor suppressor pathway leading to proliferative arrest and/or apoptosis. It has been proposed that this pathway is then inactivated during subsequent neoplastic evolution...
2017: PloS One
https://www.readbyqxmd.com/read/28820888/a-new-model-integrating-short-and-long-term-aging-of-copper-added-to-soils
#2
Saiqi Zeng, Jumei Li, Dongpu Wei, Yibing Ma
Aging refers to the processes by which the bioavailability/toxicity, isotopic exchangeability, and extractability of metals added to soils decline overtime. We studied the characteristics of the aging process in copper (Cu) added to soils and the factors that affect this process. Then we developed a semi-mechanistic model to predict the lability of Cu during the aging process with descriptions of the diffusion process using complementary error function. In the previous studies, two semi-mechanistic models to separately predict short-term and long-term aging of Cu added to soils were developed with individual descriptions of the diffusion process...
2017: PloS One
https://www.readbyqxmd.com/read/28820845/concomitant-panniculectomy-affects-wound-morbidity-but-not-hernia-recurrence-rates-in-abdominal-wall-reconstruction-a-propensity-score-analysis
#3
Salvatore Giordano, Patrick B Garvey, Donald P Baumann, Jun Liu, Charles E Butler
BACKGROUND: Panniculectomy (PAN) is often performed during abdominal wall reconstruction (AWR) to decrease wound healing complications and hernia recurrence rates. However, studies of AWR with concurrent panniculectomy (AWR+PAN) have reported contradictory results. We hypothesized that patients undergoing AWR+PAN experience more wound healing complications but similar rates of hernia recurrence compared to AWR alone. METHODS: In this retrospective study of 548 consecutive patients, 305 (52...
August 8, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28820797/postoperative-renal-dysfunction-after-noncardiac-surgery
#4
Suvi T Vaara, Rinaldo Bellomo
PURPOSE OF REVIEW: The narrative review aims to discuss recent results and important knowledge gaps regarding acute kidney injury (AKI) in postoperative patients undergone major noncardiac surgery. RECENT FINDINGS: Postoperative AKI affects approximately one-fifth of patients after major surgery, but the incidence varies according to the type of surgery. Preexisting chronic kidney disease is a major risk factor for postoperative AKI. It carries a substantial risk for postoperative adverse outcomes, as well as long-term mortality and morbidity...
August 17, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28820450/transcriptome-analysis-reveals-long-intergenic-noncoding-rnas-contributed-to-growth-and-meat-quality-differences-between-yorkshire-and-wannanhua-pig
#5
Cheng Zou, Sha Li, Lulu Deng, Yang Guan, Dake Chen, Xiongkun Yuan, Tianrui Xia, Xinglin He, Yawei Shan, Changchun Li
There are major differences between Yorkshire (lean-type) and Wannanhua pig (fat-type) in terms of growth performance and meat quality. Long intergenic noncoding RNAs (lincRNAs) are a class of regulators that are involved in numerous biological processes and widely identified in many species. However, the role of lincRNAs in pig is largely unknown, and the mechanisms by which they affect growth and meat quality are elusive. In this study, we used published data to identify 759 lincRNAs in porcine longissimus dorsi muscle...
August 18, 2017: Genes
https://www.readbyqxmd.com/read/28820012/effect-of-rotational-prosthetic-alignment-variation-on-tibiofemoral-contact-pressure-distribution-and-joint-kinematics-in-total-knee-replacement
#6
Xin Xie, Roy Rusly, John D DesJardins, Frank Voss, Kim Chillag, Martine LaBerge
In total knee replacement surgery, implant alignment is one of the most important criteria for successful long-term clinical outcome. During total knee replacement implantation, femoral and tibial alignment are determined through appropriate bone resections, which could vary based on patient anatomy, implant design and surgical technique and further influence loading conditions and clinical outcomes. The current research focused on three critical alignment parameters for total knee replacement insertion: femoral component internal/external (I/E) rotation, varus-valgus tibiofemoral angulation and posterior tibial slope...
August 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28819834/recurrence-of-endovascularly-and-microsurgically-treated-intracranial-aneurysms-review-of-the-putative-role-of-aneurysm-wall-biology
#7
REVIEW
Serge Marbacher, Mika Niemelä, Juha Hernesniemi, Juhana Frösén
Although endovascular therapy has been proven safe and has become in many centers the primary method of treatment for intracranial aneurysms, the long-term durability of endovascular embolization remains a concern; at least for some aneurysms despite initial good result. While healing after clipping relies on mechanical occlusion, restoration after endovascular occlusion mainly requires the induction of a biological response. Healing after embolization depends on the growth of new tissue over the thrombus formed by the embolization material, or alternatively, on the organization of thrombus into fibrous tissue...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819672/folding-sticky-elastica-dynamics-and-reversibility-of-folds-in-langmuir-monolayers
#8
L C Foucard, J M Eaton, M Dennin, Alex J Levine
Lipid monolayers at the air/water interface are often subject to large mechanical stresses when compressed laterally. For large enough compression they fold in the out-of-plane direction to relax stress. The repetitive folding and unfolding of lung surfactant monolayers during breathing plays a critical role in conserving monolayer material at the air/water interface lining the lung. Although the mechanisms behind the folding have been explored recently, relatively little information exists regarding the implications of folding dynamics on the long-term stability of the monolayer...
August 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28819350/understanding-sarcopenia-development-a-role-for-healthy-behaviors
#9
Justin P Hardee, James A Carson
For decades the biomedical community has documented the accelerated loss of muscle mass that occurs with advancing aging, termed sarcopenia. The timely review article ("Attenuation of Adverse Effects of Aging on Skeletal Muscle by Regular Exercise and Nutritional Support") by Arthur Leon presents our current state of knowledge on the biological processes responsible for age-induced loss of muscle mass and function. This loss of skeletal muscle has critical health implications as it can negatively affect morbidity and mortality...
January 2017: American Journal of Lifestyle Medicine
https://www.readbyqxmd.com/read/28819028/padi2-mediated-citrullination-promotes-prostate-cancer-progression
#10
Lin Wang, Guanhua Song, Xiang Zhang, Tingting Feng, Jihong Pan, Weiwen Chen, Muyi Yang, Xinnuo Bai, Yu Pang, Jindan Yu, Jinxiang Han, Bo Han
Onset of castration-resistance prostate cancer (CRPC) after long-term androgen-deprivation therapy remains a major obstacle in the treatment of prostate cancer (PCa). The peptidylarginine deiminase PADI2 has been implicated in chronic inflammatory diseases and cancer. Here we show that PADI2 is an androgen-repressed gene and is upregulated in CRPC. PADI2 expression was required for survival and cell cycle progression of PCa cells, and PADI2 promoted proliferation of PCa cells under androgen-deprived or castration conditions in vitro and in vivo...
August 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28818685/ethyl-carbamate-induces-cell-death-through-its-effects-on-multiple-metabolic-pathways
#11
Huichang Liu, Bo Cui, Yi Xu, Chaoyang Hu, Ying Liu, Guorun Qu, Dawei Li, Yongning Wu, Dabing Zhang, Sheng Quan, Jianxin Shi
Ethyl carbamate (EC), a multisite carcinogenic chemical causing tumors in various animal species, is probably carcinogenic to humans. However, information about the possible carcinogenic and toxicological effects of EC in humans is quite limited. Because EC is found in many dietary foods (such as fermented foods) and tobacco and its products, and exposure of humans to EC often occurs inevitably, its toxicological effects in humans need to be studied. This study was conducted to understand the metabolomic and transcriptomic changes in human hepatocellular carcinoma cells (HepG2) exposed to 100 mM EC for short term (4 h) and long term (12 h) period, respectively...
August 14, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28818411/long-term-supplementation-with-egcg-and-beta-alanine-decreases-mortality-but-does-not-affect-cognitive-or-muscle-function-in-aged-mice
#12
Brandt D Pence, Tushar K Bhattacharya, Pul Park, Jennifer L Rytych, Jacob M Allen, Yi Sun, Robert H McCusker, Keith W Kelley, Rodney W Johnson, Justin S Rhodes, Jeffrey A Woods
We have previously shown that 6weeks of a diet containing epigallocatechin gallate (EGCG) and beta-alanine (B-ALA) was not effective in improving either cognitive or muscle function in aged (18month) mice (Gibbons et al. Behav Brain Res 2014). However, diet reduced oxidative stress in the brain, and previous studies using longer-term interventions have documented beneficial effects in cognitive, but not muscle, function. Therefore, we investigated the effect of 6months of feeding on measures of cognitive and muscle function in mice...
August 14, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28818274/the-affection-of-the-disturbance-of-the-hydrodynamics-of-blood-in-case-of-stress-on-pathological-increase-of-level-of-low-density-lipoproteins-in-blood-the-formation-of-cylindrical-plaques-and-their-participation-in-the-development-of-acute-ischemic-disorders
#13
S E Rusanov
In this article is given the new insight about the affection of stress on the increase of level of low density lipoproteins (LDL) in the blood, which is connected with the disturbance of hydrodynamics in the bloodstream, the attention was paid to the cylindrical cholesterol plaque, and it's classification. The disturbance of hydrodynamics of blood under the stress leads to the formation of a cylindrical cholesterol plaque, which repeats the contour of the vessel, and leads to the ischemic disorders of the heart and brain...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28817624/ephb4-ephrinb2-therapeutics-in-rhabdomyosarcoma
#14
Matthew E Randolph, Megan M Cleary, Zia Bajwa, Matthew N Svalina, Michael C Young, Atiya Mansoor, Pali Kaur, Carol J Bult, Martin W Goros, Joel E Michalek, Sunny Xiang, James Keck, Valery Krasnoperov, Parkash Gill, Charles Keller
Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma affecting children and is often diagnosed with concurrent metastases. Unfortunately, few effective therapies have been discovered that improve the long-term survival rate for children with metastatic disease. Here we determined effectiveness of targeting the receptor tyrosine kinase, EphB4, in both alveolar and embryonal RMS either directly through the inhibitory antibody, VasG3, or indirectly by blocking both forward and reverse signaling of EphB4 binding to EphrinB2, cognate ligand of EphB4...
2017: PloS One
https://www.readbyqxmd.com/read/28817372/financial-burden-in-survivors-of-childhood-cancer-a-report-from-the-childhood-cancer-survivor-study
#15
Ryan D Nipp, Anne C Kirchhoff, Douglas Fair, Julia Rabin, Kelly A Hyland, Karen Kuhlthau, Giselle K Perez, Leslie L Robison, Gregory T Armstrong, Paul C Nathan, Kevin C Oeffinger, Wendy M Leisenring, Elyse R Park
Purpose Survivors of childhood cancer may experience financial burden as a result of health care costs, particularly because these patients often require long-term medical care. We sought to evaluate the prevalence of financial burden and identify associations between a higher percentage of income spent on out-of-pocket medical costs (≥ 10% of annual income) and issues related to financial burden (jeopardizing care or changing lifestyle) among survivors of childhood cancer and a sibling comparison group. Methods Between May 2011 and April 2012, we surveyed an age-stratified, random sample of survivors of childhood cancer and a sibling comparison group who were enrolled in the Childhood Cancer Survivor Study...
August 17, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28816718/double-composite-tissue-z-plasty-technique-for-anatomical-restoration-of-severe-nasal-deformity-in-secondary-unilateral-cleft-lip
#16
Jiao Wei, Tanja Herrler, Hua Xu, Qingfeng Li, Chuanchang Dai
BACKGROUND: Patients with secondary unilateral cleft lip are regularly affected by serious nasal deformities especially of the alar and nasal floor. A large number of techniques for correction have been published, but symmetrical restoration of severe nasal deformation is difficult to achieve. We propose an innovative approach for anatomical restoration for this entity of nasal deformities to achieve long-term symmetrical appearance and muscular function. METHODS: A total of 68 patients with severe nasal deformity due to secondary unilateral cleft lip underwent reconstructive surgery using a double composite tissue Z-plasty technique for anatomical restoration of cartilage, muscle, and soft tissue layers...
August 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28816416/offsetting-global-warming-induced-elevated-greenhouse-gas-emissions-from-an-arable-soil-by-biochar-application
#17
Chris Bamminger, Christian Poll, Sven Marhan
Global warming will likely enhance greenhouse gas (GHG) emissions from soils. Due to its slow decomposability, biochar is widely recognized as effective in long-term soil carbon (C) sequestration and in mitigation of soil GHG emissions. In a long-term soil warming experiment (+2.5 °C, since July 2008) we studied the effect of applying high-temperature Miscanthus biochar (0, 30 t ha(-1) , since August 2013) on GHG emissions and their global warming potential (GWP) during two years in a temperate agroecosystem...
August 17, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28816239/hippocampal-protein-kinase-c-signaling-mediates-the-short-term-memory-impairment-induced-by-delta9-tetrahydrocannabinol
#18
Arnau Busquets-Garcia, Maria Gomis-González, Victòria Salgado-Mendialdúa, Lorena Galera-López, Emma Puighermanal, Elena Martín-García, Rafael Maldonado, Andrés Ozaita
Cannabis affects cognitive performance through the activation of the endocannabinoid system, and the molecular mechanisms involved in this process are poorly understood. Using the novel object-recognition memory test in mice, we found that the main psychoactive component of cannabis, delta9-tetrahydrocannabinol (THC), alters short-term object-recognition memory specifically involving protein kinase C (PKC)-dependent signaling. Indeed, the systemic or intra-hippocampal pre-treatment with the PKC inhibitors, prevented the short-term, but not the long-term, memory impairment induced by THC...
August 17, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28816201/risk-factors-and-the-prognosis-of-sexual-dysfunction-in-male-patients-with-pituitary-adenomas-a-multivariate-analysis
#19
Wen-Jian-Long Zhou, Shun-Chang Ma, Min Zhao, Chang Liu, Xiu-Dong Guan, Zhao-Shi Bao, Gui-Jun Jia, Wang Jia
The impact of sexual dysfunction (SD) is distressing to many male patients with pituitary adenomas which affect both physical and psychological health. The research explored to identify risk factors affecting sexual function and the prognosis of male patients with pituitary adenomas. Two hundred and fifty-four male patients, who aged between 18 and 60 (mean ± s.d.: 44.16 ± 10.14) years and diagnosed with pituitary adenomas, were retrospectively analyzed. One hundred and fifty-nine patients (62.6%) complained of SD prior to surgery...
August 11, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28815792/understanding-implications-of-consumer-behavior-for-wildlife-farming-and-sustainable-wildlife-trade
#20
A Nuno, J M Blumenthal, T J Austin, J Bothwell, G Ebanks-Petrie, B J Godley, A C Broderick
Unsustainable wildlife trade affects biodiversity and the livelihoods of communities dependent upon those resources. Wildlife farming has often been proposed to promote sustainable trade but characterizing markets and understanding consumer behaviour remain neglected, but essential, steps with important implications for its design and evaluation. We used sea turtle trade in the Cayman Islands as a case study - where turtle meat for consumption has been produced for almost 50 years, to explore consumer preferences towards wild-sourced (illegal) and farmed (legal) products and potential conservation implications...
August 16, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
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