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https://www.readbyqxmd.com/read/27914102/examining-temporal-effects-on-cancer-risk-in-the-international-nuclear-workers-study-inworks
#1
Robert D Daniels, Stephen J Bertke, David B Richardson, Elisabeth Cardis, Michael Gillies, Jacqueline A O'Hagan, Richard Haylock, Dominique Laurier, Klervi Leuraud, Monika Moissonnier, Isabelle Thierry-Chef, Ausrele Kesminiene, Mary K Schubauer-Berigan
The paper continues the series of publications from the International Nuclear Workers Study cohort (INWORKS) that comprises 308,297 workers from France, the United Kingdom and the United States, providing 8.2 million person-years of observation from a combined follow-up period (at earliest 1944 to at latest 2005). These workers' external radiation exposures were primarily to photons, resulting in an estimated average career absorbed dose to the colon of 17.4 milligray. The association between cumulative ionizing radiation dose and cancer mortality was evaluated in general relative risk models that describe modification of the excess relative risk (ERR) per gray (Gy) by time since exposure and age at exposure...
December 3, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27914091/toward-clinical-use-of-the-igg-specific-enzymes-ides-and-endos-against-antibody-mediated-diseases
#2
Mattias Collin, Lars Björck
The endoglycosidase EndoS and the protease IdeS from the human pathogen Streptococcus pyogenes are immunomodulating enzymes hydrolyzing human IgG. IdeS cleaves IgG in the lower hinge region, while EndoS hydrolyzes the conserved N-linked glycan in the Fc region. Both enzymes are remarkably specific for human IgG that after hydrolysis loses most of its effector functions, such as binding to leukocytes and complement activation, all contributing to bacterial evasion of adaptive immunity. However, taken out of their infectious context, we and others have shown that IdeS and EndoS can alleviate autoimmune disease in a number of animal models of antibody-mediated disorders...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27913942/out-migration-and-attrition-of-physicians-and-dentists-before-and-after-eu-accession-2003-and-2011-the-case-of-hungary
#3
Júlia Varga
This paper employs a large-scale, individual-level, panel dataset to analyse the effect of EU accession on the probability of out-migration on the part of Hungarian physicians and dentists between 2003 and 2011. The study uses event history modelling and competing risk models. The results show that EU accession did not at the time affect the probability of out-migration while after the end of the transitional period of restrictions on the free movement of labour from the new EU member states to Austria and Germany, the probability of doctors' migration increased considerably...
December 2, 2016: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/27913813/-rehabilitation-after-hip-and-knee-endoprosthetic-treatment-in-the-elderly
#4
H Bork
Due to current demographic developments with a continuous increase in average life expectancy and improved medical treatment, the number of elderly patients with joint replacement of the lower extremities also has increased in recent years. Most of these patients have not only one but several chronic diseases requiring treatment and medication. Drug-drug interaction and functional restrictions of the elderly additionally reduce the postoperative psychophysical capacity; therefore, special knowledge in rehabilitative treatment and pain management is necessary...
December 2, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27913781/synchronous-microscopic-epstein-barr-virus-positive-diffuse-large-b-cell-lymphoma-of-the-adrenal-and-lymphoplasmacytic-lymphoma-de-novo-disease-or-transformation
#5
Mufaddal T Moonim, Alia Nasir, Jonathan Hubbard, Nicholas Ketley, Paul Fields
Lymphomas arising in the adrenal are rare, and to our knowledge, 2 cases of Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphomas (DLBCL) in an adrenal pseudocyst have been reported. We report an incidental EBV-positive DLBCL arising in an adrenal pseudocyst in a 58-year-old man with a 7-year history of lymphoplasmacytic lymphoma (LPL). The DLBCL was present in the fibrinous exudate, while the LPL resided in the cyst wall. The patient underwent de-roofing of the same cyst 3 years previously; review of histology revealed foci of LPL in the cyst wall, but not of DLBCL...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27913741/aik1-a-mitogen-activated-protein-kinase-modulates-abscisic-acid-responses-through-the-mkk5-mpk6-kinase-cascade
#6
Kun Li, Fengbo Yang, Guozeng Zhang, Shufei Song, Yuan Li, Yuchen Miao, Dongtao Ren, Chun-Peng Song
The mitogen-activated protein kinase (MAPK) cascade is an evolutionarily conserved signal transduction module involved in transducing extracellular signals to the nucleus for appropriate cellular adjustment. This cascade essentially consists of three components, a MAPK kinase kinase (MAPKKK), a MAPK kinase (MAPKK) and a MAPK, connected to each other by the event of phosphorylation. Here we report the characterization of a MAPKKK, AIK1, which regulates abscisic acid (ABA) responses in Arabidopsis. T-DNA insertion mutants of AIK1 showed insensitivity to ABA in terms of both root growth and stomatal response...
December 2, 2016: Plant Physiology
https://www.readbyqxmd.com/read/27913730/dna-recognition-by-the-swai-restriction-endonuclease-involves-unusual-distortion-of-an-8-base-pair-a-t-rich-target
#7
Betty W Shen, Daniel F Heiter, Keith D Lunnen, Geoffrey G Wilson, Barry L Stoddard
R.SwaI, a Type IIP restriction endonuclease, recognizes a palindromic eight base pair (bp) symmetric sequence, 5'-ATTTAAAT-3', and cleaves that target at its center to generate blunt-ended DNA fragments. Here, we report three crystal structures of SwaI: unbound enzyme, a DNA-bound complex with calcium ions; and a DNA-bound, fully cleaved complex with magnesium ions. We compare these structures to two structurally similar 'PD-D/ExK' restriction endonucleases (EcoRV and HincII) that also generate blunt-ended products, and to a structurally distinct enzyme (the HNH endonuclease PacI) that also recognizes an 8-bp target site consisting solely of A:T base pairs...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27913728/fission-yeast-stn1-is-crucial-for-semi-conservative-replication-at-telomeres-and-subtelomeres
#8
Masahiro Takikawa, Yusuke Tarumoto, Fuyuki Ishikawa
The CST complex is a phylogenetically conserved protein complex consisting of CTC1/Cdc13, Stn1 and Ten1 that protects telomeres on linear chromosomes. Deletion of the fission yeast homologs stn1 and ten1 results in complete telomere loss; however, the precise function of Stn1 is still largely unknown. Here, we have isolated a high-temperature sensitive stn1 allele (termed stn1-1). stn1-1 cells abruptly lost telomeric sequence almost completely at the restrictive temperature. The loss of chromosomal DNA happened without gradual telomere shortening, and extended to 30 kb from the ends of chromosomes...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27913690/self-reported-visual-impairment-physical-activity-and-all-cause-mortality-the-hunt-study
#9
Audun Brunes, W Dana Flanders, Liv Berit Augestad
AIMS: To examine the associations of self-reported visual impairment and physical activity (PA) with all-cause mortality. METHODS: This prospective cohort study included 65,236 Norwegians aged ⩾20 years who had participated in the Nord-Trøndelag Health Study (HUNT2, 1995-1997). Of these participants, 11,074 (17.0%) had self-reported visual impairment (SRVI). The participants' data were linked to Norway's Cause of Death Registry and followed throughout 2012. Hazard ratios and 95% confidence intervals (CI) were assessed using Cox regression analyses with age as the time-scale...
December 1, 2016: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/27913637/mural-endothelial-cell-cell-interactions-stabilize-the-developing-zebrafish-dorsal-aorta
#10
Amber N Stratman, Sofia A Pezoa, Olivia M Farrelly, Daniel Castranova, Louis E Dye, Matthew G Butler, Harwin Sidik, William S Talbot, Brant M Weinstein
Mural cells (vascular smooth muscle cells and pericytes) play a critical role in the development of the vasculature, promoting vascular quiescence and long-term vessel stabilization through their interactions with endothelial cells. However, the mechanistic details of how mural cells stabilize vessels are not fully understood. We have examined the emergence and functional role of mural cells investing the dorsal aorta during early development using the zebrafish. Consistent with previous literature, our data suggest that cells ensheathing the dorsal aorta emerge from a sub-population of cells in the adjacent sclerotome...
December 2, 2016: Development
https://www.readbyqxmd.com/read/27913630/adaptive-nkg2c-nk-cell-response-and-the-risk-of-cytomegalovirus-infection-in-kidney-transplant-recipients
#11
Dolores Redondo-Pachón, Marta Crespo, Jose Yélamos, Aura Muntasell, María José Pérez-Sáez, Silvia Pérez-Fernández, Joan Vila, Carlos Vilches, Julio Pascual, Miguel López-Botet
CMV infection in kidney transplant recipients (KTRs) has been associated with an increased risk for graft loss and reduced host survival. CMV promotes persistent expansions of NK cells expressing the CD94/NKG2C receptor. The NKG2C (KLRC2) gene is frequently deleted, and copy number influences the adaptive response of NKG2C(+) NK cells. The distribution of NKG2C(+) NK cells and NKG2C genotypes (NKG2C(+/+), NKG2C(+/del), NKG2C(del/del)) were studied in cross-sectional (n = 253) and prospective (n = 122) KTR cohorts...
December 2, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27913602/clonal-conversion-of-b-lymphoid-leukemia-reveals-cross-lineage-transfer-of-malignant-states
#12
Rajesh Somasundaram, Josefine Åhsberg, Kazuki Okuyama, Jonas Ungerbäck, Henrik Lilljebjörn, Thoas Fioretos, Tobias Strid, Mikael Sigvardsson
Even though leukemia is considered to be confined to one specific hematopoietic cell type, cases of acute leukemia of ambiguous lineage and patients relapsing in phenotypically altered disease suggest that a malignant state may be transferred between lineages. Because B-cell leukemia is associated with mutations in transcription factors of importance for stable preservation of lineage identity, we here investigated the potential lineage plasticity of leukemic cells. We report that primary pro-B leukemia cells from mice carrying heterozygous mutations in either or both the Pax5 and Ebf1 genes, commonly mutated in human leukemia, can be converted into T lineage leukemia cells...
December 2, 2016: Genes & Development
https://www.readbyqxmd.com/read/27913506/checkpoint-inhibition-and-cellular-immunotherapy-in-lymphoma
#13
Premal Lulla, Helen E Heslop
Hodgkin and non-Hodgkin lymphoma are both good targets for immunotherapy, as they are accessible to antibodies and cell-based immunotherapy, express costimulatory molecules, and express lineage-restricted, viral, and unique tumor antigens. Blockade of the programmed-death 1 (PD-1) immune checkpoint has produced very encouraging response rates in patients with Hodgkin lymphoma, whereas adoptive transfer of Epstein-Barr Virus (EBV)-specific T cells has shown clinical activity in patients with posttransplant lymphoma and other EBV-associated lymphomas...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913479/thrombosis-and-anticoagulation-in-the-setting-of-renal-or-liver-disease
#14
Christine Ribic, Mark Crowther
Thrombosis and bleeding are among the most common causes of morbidity and mortality in patients with renal disease or liver disease. The pathophysiology underlying the increased risk for venous thromboembolism and bleeding in these 2 populations is distinct, as are considerations for anticoagulation. Anticoagulation in patients with kidney or liver disease increases the risk of bleeding; this risk is correlated with the degree of impairment of anticoagulant elimination by the kidneys and/or liver. Despite being in the same pharmacologic category, anticoagulant agents may have varied degrees of renal and liver metabolism...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913310/targeted-disruption-of-the-orphan-receptor-gpr151-does-not-alter-pain-related-behaviour-despite-a-strong-induction-in-dorsal-root-ganglion-expression-in-a-model-of-neuropathic-pain
#15
Fiona E Holmes, Niall Kerr, Ying-Ju Chen, Penny Vanderplank, Craig A McArdle, David Wynick
BACKGROUND: Gpr151 is an orphan GPCR whose function is unknown. The restricted pattern of neuronal expression in the habenula, dorsal horn of the spinal cord and dorsal root ganglion plus homology with the galanin family of receptors imply a role in nociception. RESULTS: Real-time quantitative RT-PCR demonstrated a 49.9±2.9 fold highly significant (P<0.001) increase in Gpr151 mRNA expression in the dorsal root ganglion 7days after the spared nerve injury model of neuropathic pain...
November 29, 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27913227/assisted-partner-services-for-hiv-in-kenya-a-cluster-randomised-controlled-trial
#16
Peter Cherutich, Matthew R Golden, Beatrice Wamuti, Barbra A Richardson, Kristjana H Ásbjörnsdóttir, Felix A Otieno, Ann Ng'ang'a, Peter Maingi Mutiti, Paul Macharia, Betsy Sambai, Matt Dunbar, David Bukusi, Carey Farquhar
BACKGROUND: Assisted partner services for index patients with HIV infections involves elicitation of information about sex partners and contacting them to ensure that they test for HIV and link to care. Assisted partner services are not widely available in Africa. We aimed to establish whether or not assisted partner services increase HIV testing, diagnoses, and linkage to care among sex partners of people with HIV infections in Kenya. METHODS: In this cluster randomised controlled trial, we recruited non-pregnant adults aged at least 18 years with newly or recently diagnosed HIV without a recent history of intimate partner violence who had not yet or had only recently linked to HIV care from 18 HIV testing services clinics in Kenya...
November 29, 2016: Lancet HIV
https://www.readbyqxmd.com/read/27913202/adiponectin-gene-polymorphism-and-ischemic-stroke-subtypes-in-a-chinese-population
#17
Shanshan Li, Ning Lu, Zhongnan Li, Bin Jiao, Hanping Wang, Jia Yang, Tao Yu
As an adipose tissue-specific protein, adiponectin has been suggested as a protective factor for stroke, acting through anti-inflammatory and antiatherogenic effects. Therefore, we aimed to investigate whether 3 polymorphisms (rs1501299, rs2241767, and rs3774261) in the adiponectin (ADIPOQ) gene and their haplotypes were associated with ischemic stroke (IS) and its subtypes in a Chinese population. ADIPOQ gene rs1501299, rs2241767, and rs3774261 polymorphisms were analyzed in 385 IS patients, including 182 patients with large-artery atherosclerosis (LAA), 203 patients with small-vessel occlusion (SVO), and 418 matched controls...
November 29, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27913189/construction-and-analysis-of-a-human-testis-sperm-enriched-interaction-network-unraveling-the-ppp1cc2-interactome
#18
Joana Vieira Silva, Sooyeon Yoon, Pieter-Jan De Bock, Alexander V Goltsev, Kris Gevaert, José Fernando F Mendes, Margarida Fardilha
BACKGROUND: Phosphoprotein phosphatase 1 catalytic subunit gamma 2 (PPP1CC2), a PPP1CC tissue-specific alternative splice restricted to testicular germ cells and spermatozoa, is essential for spermatogenesis and spermatozoa motility. The key to understand PPP1CC2 regulation lies on the characterization of its interacting partners. METHODS: We construct a testis/sperm-enriched protein interaction network and analyzed the topological properties and biological context of the network...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913122/-postnatal-growth-at-hospital-discharge-in-extremely-premature-newborns-in-spain
#19
Fermín García-Muñoz Rodrigo, Josep Figueras Aloy, Pedro Saavedra Santana, Alfredo García-Alix
INTRODUCTION: Postnatal growth restriction is considered a universal problem in extremely premature infants (EPI), and causes great concern due to the possible relationship between nutrition, sub-optimal postnatal growth, and neurodevelopment delay. OBJECTIVES: To describe the weight gain in EPI and to determine the changes in the length and head circumference (HC) at hospital discharge in survivors. PATIENTS AND METHODS: The study included 4,520 Caucasian EPI from single pregnancies and without severe malformations, born in the centres participating in the Spanish SEN1500 network (2002-2011)...
November 29, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27913093/genome-of-the-carbapenemase-producing-clinical-isolate-elizabethkingia-miricola-em_chuv-and-comparative-genomics-with-elizabethkingia-meningoseptica-and-elizabethkingia-anophelis-evidence-for-intrinsic-multidrug-resistance-trait-of-emerging-pathogens
#20
Onya Opota, Seydina M Diene, Claire Bertelli, Guy Prod'hom, Philippe Eckert, Gilbert Greub
Elizabethkingia miricola is a Gram-negative non-fermenting rod emerging as a life-threatening human pathogen. The multidrug-resistant (MDR) carbapenemase-producing clinical isolate E. miricola EM_CHUV was recovered in the setting of severe nosocomial pneumonia. In this study, the genome of E. miricola EM_CHUV was sequenced and a functional analysis was performed, including a comparative genomic study with Elizabethkingia meningoseptica and Elizabethkingia anophelis. The resistome of EM_CHUV revealed the presence of a high number of resistance genes, including the presence of the blaGOB-13 and blaB-9 carbapenemase-encoding genes...
November 15, 2016: International Journal of Antimicrobial Agents
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