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https://www.readbyqxmd.com/read/28225789/non-melanoma-skin-cancer-and-risk-of-alzheimer-s-disease-and-all-cause-dementia
#1
Sigrun A J Schmidt, Anne G Ording, Erzsébet Horváth-Puhó, Henrik T Sørensen, Victor W Henderson
Cancer patients may be at decreased risk of Alzheimer's disease. This hypothesis is best developed for non-melanoma skin cancer (NMSC), but supportive epidemiological data are sparse. We therefore conducted a nationwide cohort study of the association between NMSC and Alzheimer's disease (main outcome) and all-cause dementia. Using Danish medical databases, we identified adults diagnosed with NMSC between 1 January 1980 and 30 November 2013 (n = 216,221) and a comparison cohort of five individuals matched to each NMSC patient by sex and birth year (n = 1,081,097)...
2017: PloS One
https://www.readbyqxmd.com/read/28224293/health-without-care-vulnerability-medical-brain-drain-and-health-worker-responsibilities-in-underserved-contexts
#2
Yusuf Yuksekdag
There is a consensus that the effects of medical brain drain, especially in the Sub-Saharan African countries, ought to be perceived as more than a simple misfortune. Temporary restrictions on the emigration of health workers from the region is one of the already existing policy measures to tackle the issue-while such a restrictive measure brings about the need for quite a justificatory work. A recent normative contribution to the debate by Gillian Brock provides a fruitful starting point. In the first step of her defence of emigration restrictions, Brock provides three reasons why skilled workers themselves would hold responsibilities to assist with respect to vital needs of their compatriots...
February 21, 2017: Health Care Analysis: HCA: Journal of Health Philosophy and Policy
https://www.readbyqxmd.com/read/28224210/tumor-specific-regulatory-t-cells-in-the-bone-marrow-of-breast-cancer-patients-selectively-upregulate-the-emigration-receptor-s1p1
#3
Anchana Rathinasamy, Christoph Domschke, Yingzi Ge, Hans-Henning Böhm, Steffen Dettling, David Jansen, Felix Lasitschka, Ludmila Umansky, Markus H Gräler, Jennifer Hartmann, Christel Herold-Mende, Florian Schuetz, Philipp Beckhove
Regulatory T cells (Treg) hamper anti-tumor T-cell responses resulting in reduced survival and failure of cancer immunotherapy. Among lymphoid organs, the bone marrow (BM) is a major site of Treg residence and recirculation. However, the process governing the emigration of Treg from BM into the circulation remains elusive. We here show that breast cancer patients harbour reduced Treg frequencies in the BM as compared to healthy individuals or the blood. This was particularly the case for tumor antigen-specific Treg which were quantified by MHCII tumor peptide loaded tetramers...
February 21, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28214656/risk-of-oesophageal-adenocarcinoma-in-individuals-with-barrett-s-oesophagus
#4
Dag Holmberg, Eivind Ness-Jensen, Fredrik Mattsson, Hashem B El-Serag, Jesper Lagergren
INTRODUCTION: Recent studies have indicated a lower incidence rate of oesophageal adenocarcinoma (OAC) in individuals with Barrett's oesophagus (BO) than most earlier studies. Our objective was to assess the risk of OAC in a Swedish unselected cohort of individuals with BO. METHODS: This population-based cohort study included all Swedish residents diagnosed with BO in 2006-2013, identified through the Swedish Patient Registry. The cohort members were followed from the date of first BO diagnosis until the first occurrence of OAC, high-grade dysplasia (HGD), death, emigration or end of study period...
February 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28205573/extracellular-protonation-modulates-cell-cell-interaction-mechanics-and-tissue-invasion-in-human-melanoma-cells
#5
Verena Hofschröer, Kevin Alexander Koch, Florian Timo Ludwig, Peter Friedl, Hans Oberleithner, Christian Stock, Albrecht Schwab
Detachment of cells from the primary tumour precedes metastatic progression by facilitating cell release into the tissue. Solid tumours exhibit altered pH homeostasis with extracellular acidification. In human melanoma, the Na(+)/H(+) exchanger NHE1 is an important modifier of the tumour nanoenvironment. Here we tested the modulation of cell-cell-adhesion by extracellular pH and NHE1. MV3 tumour spheroids embedded in a collagen matrix unravelled the efficacy of cell-cell contact loosening and 3D emigration into an environment mimicking physiological confinement...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198542/ceramide-synthase-2-facilitates-s1p-dependent-egress-of-thymocytes-into-the-circulation-in-mice
#6
Michael Rieck, Christiane Kremser, Katarzyna Jobin, Elisabeth Mettke, Christian Kurts, Markus Gräler, Klaus Willecke, Waldemar Kolanus
Well-defined gradients of the lipid mediator sphingosine-1-phosphate (S1P) direct chemotactic egress of mature thymocytes from the thymus into the circulation. Although it is known that these gradients result from low S1P levels in the thymic parenchyma and high S1P concentrations at the exit sites and in the plasma, the biochemical mechanisms that regulate these differential S1P levels remain unclear. Several studies demonstrated that ceramide synthase 2 (Cers2) regulates the levels of the S1P precursor sphingosine...
February 15, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28176348/inflammatory-bowel-diseases-in-faroese-born-danish-residents-and-their-offspring-further-evidence-of-the-dominant-role-of-environmental-factors-in-ibd-development
#7
T Hammer, S N Lophaven, K R Nielsen, M von Euler-Chelpin, P Weihe, P Munkholm, J Burisch, E Lynge
BACKGROUND: The incidence of inflammatory bowel disease (IBD) is record high in the Faroe Islands, and many Faroese emigrate to Denmark, where the IBD incidence is considerably lower. AIM: To study the IBD incidence in first-, second- and third-generation immigrants from the Faroe Islands to Denmark to assess the extent to which the immigrants adopt the lower IBD incidence of their new home country. METHODS: Data on Faroese-born Danish residents and their children were retrieved from the Danish Central Population Register for 1980-2014...
February 8, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28158825/emigrating-young-physicians-leave-greece-with-an-aging-health-workforce
#8
F T Filippidis
No abstract text is available yet for this article.
December 2, 2016: Journal of Public Health
https://www.readbyqxmd.com/read/28157835/bacillus-calmette-gu%C3%A3-rin-vaccination-thymic-size-and-thymic-output-in-healthy-newborns
#9
Nina Marie Birk, Thomas Nørrelykke Nissen, Vera Zingmark, Jesper Kjærgaard, Lisbeth Marianne Thøstesen, Poul-Erik Kofoed, Lone Graff Stensballe, Andreas Andersen, Susanne Dam Nielsen, Christine Stabell Benn, Ole Pryds, Dorthe Lisbeth Jeppesen
BACKGROUND: The Bacillus Calmette-Guérin vaccine (BCG) has been associated with beneficial nonspecific effects on infant health. We aimed to examine the effect of BCG at birth on thymic size and the associations between thymic output, circulating lymphocytes, risk of infection, and thymic size. METHODS: In infants randomized to BCG or no BCG, thymic index (TI), and thymic/weight index (TWI) were measured by ultrasound at birth and at the age of 3 months. T cell subpopulations including CD4(+) T cells, CD8(+) T cells, and recent thymic emigrants (RTEs) were assessed by flow cytometry...
February 3, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28157452/activated-%C3%AE-2-integrins-restrict-neutrophil-recruitment-during-murine-acute-pseudomonal-pneumonia
#10
Zachary S Wilson, Lawrence B Ahn, William S Serratelli, Matthew D Belley, Joanne Lomas-Neira, Mehmet Sen, Craig T Lefort
Rapid neutrophil recruitment is critical for the efficient clearance of bacterial pathogens from the lungs. While β2 integrins and their activation are required for neutrophil recruitment from postcapillary venules of the systemic circulation into inflamed tissues, the involvement of integrins in neutrophil recruitment in response to respiratory infection varies between bacterial pathogens. For stimuli eliciting β2 integrin-dependent neutrophil influx, including Pseudomonas aeruginosa, it remains unclear whether the activation of β2 integrins is an essential step in this process...
February 3, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28155262/comparative-burden-of-arthropathy-in-mild-haemophilia-a-register-based-study-in-sweden
#11
M Osooli, S Lövdahl, K Steen Carlsson, K Knobe, F Baghaei, M Holmström, J Astermark, E Berntorp
INTRODUCTION: Mild haemophilia is a congenital bleeding disorder affecting males. The burden of arthropathy in mild haemophilia has not been comprehensively described. AIM: The aim of this study was to compare the incidence, age at diagnosis and surgery for arthropathy and related hospitalizations between people with mild haemophilia and the general population in Sweden. METHODS: This was a register-based cohort study. Eligible participants were those with mild haemophilia born between 1941 and 2008 and a randomly selected, birthdate and sex-matched comparison group from the general population...
February 2, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28154568/il-7-induced-proliferation-of-human-naive-cd4-t-cells-relies-on-continued-thymic-activity
#12
Susana L Silva, Adriana S Albuquerque, Paula Matoso, Bénédicte Charmeteau-de-Muylder, Rémi Cheynier, Dário Ligeiro, Miguel Abecasis, Rui Anjos, João T Barata, Rui M M Victorino, Ana E Sousa
Naive CD4 T-cell maintenance is critical for immune competence. We investigated here the fine-tuning of homeostatic mechanisms of the naive compartment to counteract the loss of de novo CD4 T-cell generation. Adults thymectomized in early childhood during corrective cardiac surgery were grouped based on presence or absence of thymopoiesis and compared with age-matched controls. We found that the preservation of the CD31(-) subset was independent of the thymus and that its size is tightly controlled by peripheral mechanisms, including prolonged cell survival as attested by Bcl-2 levels...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28152212/indian-nurses-in-italy-a-qualitative-study-of-their-professional-and-social-integration
#13
Alessandro Stievano, Douglas Olsen, Ymelda Tolentino Diaz, Laura Sabatino, Gennaro Rocco
AIMS AND OBJECTIVES: This research aimed to investigate the lived subjective experiences of immigrant Indian nurses in Italy and specifically their professional and social integration BACKGROUND: To study the worldwide nursing flux is a health priority in the globalized world. The growth in migration trends among nurses, not only from Philippines or India, has proliferated in recent years. The research on nurses' mobility for Southern European countries is underexplored and in Italy the out-migration flows of Indian nurses were never analyzed DESIGN: Qualitative methodological approach...
February 2, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28142201/lymph-node-and-circulating-t-cell-characteristics-are-strongly-correlated-in-end-stage-renal-disease-patients-but-highly-differentiated-t-cells-reside-within-the-circulation
#14
Burç Dedeoglu, Annelies E de Weerd, Ling Huang, Anton W Langerak, Frank J Dor, Mariska Klepper, Wenda Verschoor, Derek Reijerkerk, Carla C Baan, Nicolle H R Litjens, Michiel G H Betjes
BACKGROUND: Ageing is associated with changes in the peripheral T-cell immune system, which can be significantly influenced by latent cytomegalovirus (CMV) infection. To what extent changes in circulating T-cell populations correlate with T-cell composition of the lymph node (LN) is unclear, but crucial for a comprehensive understanding of the T-cell system. METHODS: T cells from peripheral blood (PB) and LN of end-stage renal disease patients were analyzed for frequency of recent thymic emigrants using CD31 expression and T-cell receptor excision circle content, relative telomere length and expression of differentiation markers...
January 31, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28131456/recruitment-and-connectivity-influence-the-role-of-seagrass-as-a-penaeid-nursery-habitat-in-a-wave-dominated-estuary
#15
Matthew D Taylor, Brian Fry, Alistair Becker, Natalie Moltschaniwskyj
Estuaries provide a diverse mosaic of habitats which support both juveniles and adults of exploited species. In particular, estuaries play an important role in the early life history of many penaeid prawn species. This study used a combination of stable isotope ecology and quantitative sampling to examine recruitment and the nursery function of seagrass habitats for Eastern King Prawn (Penaeus [Melicertus] plebejus), and the processes that contributed to this nursery role. Stable isotopes were used to assign prawns joining the adult stock to putative nursery habitat areas within the estuary...
January 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28116098/cyp1b1-mediated-suppression-of-lymphoid-progenitors-in-bone-marrow-by-polycyclic-aromatic-hydrocarbons-coordinately-impacts-spleen-and-thymus-a-selective-role-for-the-ah-receptor
#16
Michele Campaigne Larsen, Alhaji U N'Jai, David L Alexander, Catherine M Rondelli, E C Forsberg, Charles J Czuprynski, Colin R Jefcoate
Bone marrow (BM) hematopoietic stem cells differentiate to common lymphoid progenitors (CLP) that emigrate to the thymus to form T cells or differentiate into immature B cells that then migrate to the spleen for maturation. Rapid in vivo suppression of BM progenitor cells by a single oral or intraperitoneal dose of 7,12-dimethylbenz(a)anthracene (DMBA) subsequently decreased mature lymphoid populations in BM, spleen, and thymus. These suppressions depended on BM CYP1B1, but not on aryl hydrocarbon receptor (AhR) activity...
August 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28115421/education-predicts-cervical-cancer-survival-a-lithuanian-cohort-study
#17
Ieva Vincerževskienė, Domantas Jasilionis, Donatas Austys, Rimantas Stukas, Augustė Kačėnienė, Giedrė Smailytė
BACKGROUND: We examined inequalities in cervical cancer survival in Lithuania by education and place of residence. METHODS: The study is based on the linked dataset that includes all records of the 2001 population Census, all records from Lithuanian Cancer Registry (cancer incidence) and all death and emigration records from Statistics Lithuania for the period between 6 April 2001 and 31 December 2009. The study group includes cervical cancers registered in the Cancer Registry from 1 January 2002 to 31 December 2006...
January 23, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28108216/the-phenomenon-of-atherosclerosis-reversal-and-regression-lessons-from-animal-models
#18
REVIEW
Dimitry A Chistiakov, Veronika A Myasoedova, Victor V Revin, Alexander N Orekhov, Yuri V Bobryshev
Studies in non-rodent and murine models showed that atherosclerosis can be reversed. Atherosclerosis progression induced by high-fat or cholesterol-rich diet can be reduced and reversed to plaque regression after switching to a normal diet or through administration of lipid-lowering agents. The similar process should exist in humans after implementation of lipid-lowering therapy and as a result of targeting of small rupture-prone plaques that are major contributors for acute atherosclerotic complications. Lowering of low density lipoprotein (LDL) cholesterol and the activation of reverse cholesterol transport lead to a decline in foam cell content, to the depletion of plaque lipid reservoirs, a decrease in lesional macrophage numbers through the activation of macrophage emigration and, probably, apoptosis, dampening plaque inflammation, and the induction of anti-inflammatory macrophages involved in clearance of the necrotic core and plaque healing...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28107517/high-emigration-propensity-and-low-mortality-on-transfer-drives-female-biased-dispersal-of-pyriglena-leucoptera-in-fragmented-landscapes
#19
Marcelo Awade, Carlos Candia-Gallardo, Cintia Cornelius, Jean Paul Metzger
Dispersal is a biological process performed in three stages: emigration, transfer and immigration. Intra-specific variation on dispersal behavior, such as sex-bias, is very common in nature, particularly in birds and mammals. However, dispersal is difficult to measure in the field and many hypotheses concerning the causes of sex-biased dispersal remain without empirical confirmation. An important limitation of most empirical studies is that inferences about sex-biased dispersal are based only on emigration proneness or immigration success data...
2017: PloS One
https://www.readbyqxmd.com/read/28103939/physician-migration-at-its-roots-a-study-on-the-emigration-preferences-and-plans-among-medical-students-in-romania
#20
Şoimita Mihaela Suciu, Codruta Alina Popescu, Mugur Daniel Ciumageanu, Anca Dana Buzoianu
BACKGROUND: Migration of healthcare workers is receiving increased attention worldwide. In Europe, the creation of a border-free labor market and its expansion with the EU enlargements of 2004, 2007, and 2013 endowed health professionals with the right to provide services and to relocate to another EU Member State. For the Romanian doctors, the EU-wide recognition of the medical degree obtained in Romania has created new opportunities, while inadequate working conditions and relatively low salaries pushed many of them to search for employment abroad...
January 19, 2017: Human Resources for Health
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