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syndrome weil

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https://www.readbyqxmd.com/read/28535153/high-energy-particle-beam-and-gamma-radiation-exposure-familial-relatedness-and-cancer-in-mice
#1
Pavel Chernyavskiy, Elijah F Edmondson, Michael M Weil, Mark P Little
BACKGROUND: Some highly penetrant familial cancer syndromes exhibit elevated leukaemia risk, and there is evidence for familial clustering of lung cancer and other common cancers. Lung cancer and leukaemia are strongly radiogenic, but there are few indications that high-energy beam irradiation is markedly more effective than lower-energy radiation. METHODS: We used a Cox model with familially structured random effects to assess 16 mortality end points in a group of 1850 mice in 47 families maintained in a circular-breeding scheme, exposed to accelerated Si or Fe ions (0...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28527249/-sociodemographic-and-clinical-characteristics-of-patients-infected-with-leptospira-spp-treated-at-four-hospitals-in-medell%C3%A3-n-colombia-2008-2013
#2
Lina María Echeverri-Toro, Sara Penagos, Laura Castañeda, Pablo Villa, Santiago Atehortúa, Faiver Ramírez, Carlos Restrepo, Sigifredo Ospina, Yuli Agudelo, Alicia Hidrón, Paola Agudelo, Eliana Valderrama, Carlos Andrés Agudelo
INTRODUCTION: Leptospirosis remains a significant health problem in tropical regions including Latin America, where its presentation is 100 times higher than that observed in other regions of the world. Mortality reaches 10% in severe cases. Its diagnosis is challenging because clinical manifestations during the initial phase are non-specific and because of limited availability of diagnostic tests. OBJECTIVE: To describe the demographic and clinical characteristics and the outcomes in hospitalized patients with leptospirosis...
January 24, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28515694/fam20a-gene-mutation-amelogenesis-or-ectopic-mineralization
#3
Guilhem Lignon, Fleur Beres, Mickael Quentric, Stephan Rouzière, Raphael Weil, Muriel De La Dure-Molla, Adrien Naveau, Renata Kozyraki, Arnaud Dessombz, Ariane Berdal
Background and objective:FAM20A gene mutations result in enamel renal syndrome (ERS) associated with amelogenesis imperfecta (AI), nephrocalcinosis, gingival fibromatosis, and impaired tooth eruption. FAM20A would control the phosphorylation of enamel peptides and thus enamel mineralization. Here, we characterized the structure and chemical composition of unerupted tooth enamel from ERS patients and healthy subjects. Methods: Tooth sections were analyzed by Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), X-Ray Diffraction (XRD), and X-Ray Fluorescence (XRF)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28478813/exophytic-bulbar-pilocytic-astrocytoma-and-post-operative-cerebral-salt-wasting-syndrome
#4
P O Champagne, A Sajadi, C Huot, M Traistaru, C Mercier, A G Weil, L Crevier
Cerebral salt wasting syndrome (CSWS) is a well-described consequence of several neurological disorders. Although the exact etiology of CSWS is still not completely elucidated, it is believed that the hypothalamus plays a pivotal role in the genesis of this disorder. We report for the first time 3 cases of CSWS occurring during the post-operative course following surgical resection of exophytic bulbar pilocytic astrocytomas in children. Since these 3 cases shared in common a medial implication of the medulla, we suggest that specific interconnectivity between the dorso-medial portion of the medulla oblongata and the hypothalamus might thus represent an anatomical pathway of interest in the pathogenesis of CSWS...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28472271/annotating-function-to-differentially-expressed-lincrnas-in-myelodysplastic-syndrome-using-a-network-based-method
#5
Keqin Liu, Dominik Beck, Julie A I Thoms, Liang Liu, Weiling Zhao, John E Pimanda, Xiaobo Zhou
Motivation: Long non-coding RNAs (lncRNAs) have been implicated in the regulation of diverse biological functions. The number of newly identified lncRNAs has increased dramatically in recent years but their expression and function have not yet been described from most diseases. To elucidate lncRNA function in human disease, we have developed a novel network based method (NLCFA) integrating correlations between lncRNA, protein coding genes and noncoding miRNAs. We have also integrated target gene associations and protein-protein interactions and designed our model to provide information on the combined influence of mRNAs, lncRNAs and miRNAs on cellular signal transduction networks...
May 4, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28434776/a-patient-who-made-an-impact-on-how-i-practice-severe-leptospirosis-presenting-as-ards-in-the-icu
#6
Evangelia S Panagiotidou, Sofia V Akritidou, Seraphim T Kotoulas, Evdokia K Sourla, Basilis G Mpikos, Basilis P Bagalas, Ioannis T Stanopoulos, Katalin M Fekete, Athanasia D Pataka
Severe leptospirosis can be a rare cause of acute respiratory distress syndrome (ARDS) and multiorgan failure. A patient who made an impact on how I practice was a case of severe leptospirosis (Weil's disease) that presented as ARDS in the ICU. Leptospirosis is an under-reported infectious disease worldwide and should be considered as a cause of ARDS especially in patients with exposure history complicated with diffuse alveolar bleeding (DAH), icteric hepatitis and renal deterioration. Empiric treatment should be recommended before confirmation of laboratory tests as serological diagnosis is time consuming...
April 20, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28414743/the-et-1-mediated-carbonylation-and-degradation-of-anxa1-induce-inflammatory-phenotype-and-proliferation-of-pulmonary-artery-smooth-muscle-cells-in-hps
#7
Jing He, Bin Yi, Yang Chen, Qing Huang, Huan Wang, Kaizhi Lu, Weiling Fu
Hepatopulmonary syndrome (HPS) is a serious complication of advanced liver disease, which markedly increases mortality. Pulmonary vascular remodelling (PVR) induced by circulating mediators plays an important role in the pathogenesis of HPS, while the underlying mechanism remains undefined. In the present study, we reported that endothelin-1 (ET-1) is up-regulated and annexin A1(ANXA1) is down-regulated in HPS rat, and ET-1 decreases the ANXA1 expression in a dose-dependent manner in rat pulmonary arterial smooth muscle cells (PASMCs)...
2017: PloS One
https://www.readbyqxmd.com/read/28321803/prognosis-of-cirrhotic-patients-admitted-to-intensive-care-unit-a-meta-analysis
#8
Delphine Weil, Eric Levesque, Marc McPhail, Rodrigo Cavallazzi, Eleni Theocharidou, Evangelos Cholongitas, Arnaud Galbois, Heng Chih Pan, Constantine J Karvellas, Bertrand Sauneuf, René Robert, Jérome Fichet, Gaël Piton, Thierry Thevenot, Gilles Capellier, Vincent Di Martino
BACKGROUND: The best predictors of short- and medium-term mortality of cirrhotic patients receiving intensive care support are unknown. METHODS: We conducted meta-analyses from 13 studies (2523 cirrhotics) after selection of original articles and response to a standardized questionnaire by the corresponding authors. End-points were in-ICU, in-hospital, and 6-month mortality in ICU survivors. A total of 301 pooled analyses, including 95 analyses restricted to 6-month mortality among ICU survivors, were conducted considering 249 variables (including reason for admission, organ replacement therapy, and composite prognostic scores)...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28295373/building-a-better-foundation-improving-root-trait-measurements-to-understand-and-model-plant-and-ecosystem-processes
#9
M Luke McCormack, Dali Guo, Colleen M Iversen, Weile Chen, David M Eissenstat, Christopher W Fernandez, Le Li, Chengen Ma, Zeqing Ma, Hendrik Poorter, Peter B Reich, Marcin Zadworny, Amy Zanne
Trait-based approaches provide a useful framework to investigate plant strategies for resource acquisition, growth, and competition, as well as plant impacts on ecosystem processes. Despite significant progress capturing trait variation within and among stems and leaves, identification of trait syndromes within fine-root systems and between fine roots and other plant organs is limited. Here we discuss three underappreciated areas where focused measurements of fine-root traits can make significant contributions to ecosystem science...
March 13, 2017: New Phytologist
https://www.readbyqxmd.com/read/28245231/adipose-tissue-is-the-first-colonization-site-of-leptospira-interrogans-in-subcutaneously-infected-hamsters
#10
Ryo Ozuru, Mitsumasa Saito, Takaaki Kanemaru, Satoshi Miyahara, Sharon Y A M Villanueva, Gerald L Murray, Ben Adler, Jun Fujii, Shin-Ichi Yoshida
Leptospirosis is one of the most widespread zoonoses in the world, and its most severe form in humans, "Weil's disease," may lead to jaundice, hemorrhage, renal failure, pulmonary hemorrhage syndrome, and sometimes,fatal multiple organ failure. Although the mechanisms underlying jaundice in leptospirosis have been gradually unraveled, the pathophysiology and distribution of leptospires during the early stage of infection are not well understood. Therefore, we investigated the hamster leptospirosis model, which is the accepted animal model of human Weil's disease, by using an in vivo imaging system to observe the whole bodies of animals infected with Leptospira interrogans and to identify the colonization and growth sites of the leptospires during the early phase of infection...
2017: PloS One
https://www.readbyqxmd.com/read/28124283/a-critical-evaluation-of-liver-pathology-in-humans-with-danon-disease-and-experimental-correlates-in-a-rat-model-of-lamp-2-deficiency
#11
Lu Wang, Jingbo Wang, Weile Cai, Yongquan Shi, Xinmin Zhou, Guanya Guo, Changcun Guo, Xiaofeng Huang, Zheyi Han, Shuai Zhang, Shuoyi Ma, Xia Zhou, Daiming Fan, M Eric Gershwin, Ying Han
Danon disease is a genetic deficiency in lysosome-associated membrane protein 2 (LAMP-2), a highly glycosylated constituent of the lysosomal membrane and characterized by a cardiomyopathy, skeletal muscle myopathy, and cognitive impairment. Patients, however, often manifest hepatic abnormalities, but liver function has not been well evaluated and the syndrome is relatively uncommon. Hence, we have taken advantage of a rat that has been deleted of LAMP-2 to study the relative role of LAMP-2 on liver function...
January 26, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/27805562/acute-kidney-injury-in-leptospirosis-the-kidney-disease-improving-global-outcomes-kdigo-criteria-and-mortality%C3%A2
#12
Flávio Teles, Júlia Vanessa de Mendonça Uchôa, Darina Mirelli Barreto Mendonça, André Falcão Pedrosa Costa
Acute kidney injury (AKI) is one of the most serious complications of leptospirosis. In recent years, studies have evaluated this complication using the risk, injury, failure, loss, and end-stage kidney disease and the acute kidney injury network classification systems. More recently, the kidney disease improving global outcomes (KDIGO) criteria have been developed to increase accuracy in detecting AKI. The aim of the present study was to determine the prevalence and factors associated with AKI and mortality in patients with leptospirosis, using KDIGO criteria...
December 2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27683034/intraglomerular-crosstalk-elaborately-regulates-podocyte-injury-and-repair-in-diabetic-patients-insights-from-a-3d-multiscale-modeling-study
#13
Hua Tan, Hualin Yi, Weiling Zhao, Jian-Xing Ma, Yuanyuan Zhang, Xiaobo Zhou
Podocytes are mainly involved in the regulation of glomerular filtration rate (GFR) under physiological condition. Podocyte depletion is a crucial pathological alteration in diabetic nephropathy (DN) and results in a broad spectrum of clinical syndromes such as protein urine and renal insufficiency. Recent studies indicate that depleted podocytes can be regenerated via differentiation of the parietal epithelial cells (PECs), which serve as the local progenitors of podocytes. However, the podocyte regeneration process is regulated by a complicated mechanism of cell-cell interactions and cytokine stimulations, which has been studied in a piecemeal manner rather than systematically...
November 8, 2016: Oncotarget
https://www.readbyqxmd.com/read/27435002/current-anti-myeloma-therapies-in-renal-manifestations-of-monoclonal-light-chain-associated-fanconi-syndrome-a-retrospective-series-of-49-patients
#14
M Vignon, V Javaugue, M P Alexander, K El-Karoui, A Karras, D Roos-Weil, B Royer, B Asli, B Knebelmann, G Touchard, A Jaccard, B Arnulf, F Bridoux, N Leung, J P Fermand
We retrospectively reviewed 49 patients with light chain (LC) Fanconi syndrome (FS). Patients presented with chronic kidney disease (median estimated glomerular filtration rate (eGFR) of 33 ml/min/1.73 m(2)) and tubular proteinuria. All patients tested had elevated fractional excretion of phosphate, uric acid, generalized aminoaciduria and/or normoglycemic glycosuria. Thirty-eight patients had monoclonal gammopathy of renal significance and eleven patients had an overt hematological malignancy. The monoclonal LC isotype was kappa in 46/49 cases...
January 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27297907/large-scale-purification-and-in-vitro-characterization-of-the-assembly-of-mreb-from-leptospira-interrogans
#15
Szilvia Barkó, Dávid Szatmári, Emőke Bódis, Katalin Türmer, Zoltán Ujfalusi, David Popp, Robert C Robinson, Miklós Nyitrai
BACKGROUND: Weil's syndrome is caused by Leptospira interrogans infections, a Gram negative bacterium with a distinct thin corkscrew cell shape. The molecular basis for this unusual morphology is unknown. In many bacteria, cell wall synthesis is orchestrated by the actin homolog, MreB. METHODS: Here we have identified the MreB within the L. interrogans genome and expressed the His-tagged protein product of the synthesized gene (Li-MreB) in Escherichia coli. Li-MreB did not purify under standard nucleotide-free conditions used for MreBs from other species, requiring the continual presence of ATP to remain soluble...
September 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27175311/chronic-physical-stress-does-not-interact-with-epstein-barr-virus-ebv-encoded-dutpase-to-alter-the-sickness-response
#16
Taryn G Aubrecht, Zachary M Weil, Bachir Abi Salloum, Maria Eugenia Ariza, Marshall Williams, Brenda Reader, Ronald Glaser, John Sheridan, Randy J Nelson
Most adult humans have been infected with Epstein-Barr virus (EBV), which is thought to contribute to the development of chronic fatigue syndrome. Stress is known to influence the immune system and can exacerbate the sickness response. Although a role for psychological stress in the sickness response, particularly in combination with EBV-encoded deoxyuridine triphosphate nucleotidohydrolase (dUTPase) has been established, and the role of physical stressors in these interactions remains unspecified. In this study, we seek to determine the interaction of chronic physical (swim) stress and EBV-encoded dUTPase injection...
October 2015: Journal of Behavioral and Brain Science
https://www.readbyqxmd.com/read/27080167/a-large-family-of-dscam-genes-with-tandemly-arrayed-5-cassettes-in-chelicerata
#17
Yuan Yue, Yijun Meng, Hongru Ma, Shouqing Hou, Guozheng Cao, Weiling Hong, Yang Shi, Pengjuan Guo, Baoping Liu, Feng Shi, Yun Yang, Yongfeng Jin
Drosophila Dscam1 (Down Syndrome Cell Adhesion Molecules) and vertebrate clustered protocadherins (Pcdhs) are two classic examples of the extraordinary isoform diversity from a single genomic locus. Dscam1 encodes 38,016 distinct isoforms via mutually exclusive splicing in D. melanogaster, while the vertebrate clustered Pcdhs utilize alternative promoters to generate isoform diversity. Here we reveal a shortened Dscam gene family with tandemly arrayed 5' cassettes in Chelicerata. These cassette repeats generally comprise two or four exons, corresponding to variable Immunoglobulin 7 (Ig7) or Ig7-8 domains of Drosophila Dscam1...
2016: Nature Communications
https://www.readbyqxmd.com/read/27021476/-hepatopulmonary-syndrome
#18
Thierry Thévenot, Delphine Weil, Armand Garioud, Hortensia Lison, Jean-François Cadranel, Bruno Degano
Hepatopulmonary syndrome (HPS) is defined by the association of portal hypertension, increased alveolar-arterial oxygen gradient and intrapulmonary vascular dilations. Pathophysiological mechanisms of hypoxemia are characterized by ventilation-perfusion mismatch, oxygen diffusion limitation between alveolus and the centre of the dilated capillary, and right-to-left shunting. An excess of vasodilator molecules (like nitric monoxide) and proangiogenic factors (like VEGF) play an important role in the occurrence of HPS...
May 2016: La Presse Médicale
https://www.readbyqxmd.com/read/26964740/atypical-leptospirosis-an-overlooked-cause-of-aseptic-meningitis
#19
Ning Wang, Yu-Hsuan Han, Jia-Ying Sung, Wen-Sen Lee, Tsong-Yih Ou
BACKGROUND: Leptospirosis, probably the most common zoonosis in the world, is caused by pathogenic Leptospira species. Clinical presentations range from nonspecific fevers to fulminant diseases such as Weil's syndrome. Neurological forms of leptospirosis (neuroleptospirosis) are usually underestimated, and many cases of leptospirosis are overlooked because of the lack of specificity of signs and symptoms. Diagnosis confirmation is difficult because of the challenges associated with isolating the organism and positive serologic testing...
March 10, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/26790224/-factors-influencing-acupuncture-for-insomnia
#20
Yaping Hai, Weiling Zhagn, Erjun Liu, Shengqiang Wang, Qiang Liu
By analyzing and summarizing the previous research results regarding acupuncture for insomnia, factors influencing the efficacy of acupuncture on insomnia were discussed, and a summary was made from aspects of age, gender, duration of insomnia, use of medication, types of syndrome differentiation, acupoint selection, acupoint combination, acupuncture timing, etc. With respect to the influencing factors, precautions during the clinical syndrome differentiation were briefly reviewed, and the treatment plan of acupuncture for insomnia was optimized, which could provide new methods and thoughts for clinical and scientific research regarding acupuncture for insomnia...
October 2015: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
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