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https://www.readbyqxmd.com/read/28339709/clinicopathologic-correlations-of-renal-pathology-in-adult-population-of-poland
#1
Agnieszka Perkowska-Ptasinska, Artur Bartczak, Malgorzata Wagrowska-Danilewicz, Agnieszka Halon, Krzysztof Okon, Aldona Wozniak, Marian Danilewicz, Henryk Karkoszka, Andrzej Marszalek, Jolanta Kowalewska, Andrzej Mroz, Agnieszka Korolczuk, Andrzej Oko, Alicja Debska-Slizien, Beata Naumnik, Zbigniew Hruby, Marian Klinger, Kazimierz Ciechanowski, Marek Myslak, Wladyslaw Sulowicz, Andrzej Rydzewski, Andrzej Wiecek, Jacek Manitius, Tadeusz Gregorczyk, Stanislaw Niemczyk, Michal Nowicki, Ryszard Gellert, Tomasz Stompor, Monika Wieliczko, Krzysztof Marczewski, Leszek Paczek, Olga Rostkowska, Dominika Deborska-Materkowska, Grazyna Bogdanowicz, Andrzej Milkowski, Magdalena Durlik
Background: This is the first report on the epidemiology of biopsy-proven kidney diseases in Poland. Methods: The Polish Registry of Renal Biopsies has collected information on all (n = 9394) native renal biopsies performed in Poland from 2009 to 2014. Patients' clinical data collected at the time of biopsy, and histopathological diagnoses were used for epidemiological and clinicopathologic analysis. Results: There was a gradual increase in the number of native renal biopsies performed per million people (PMP) per year in Poland in 2009-14, starting from 36 PMP in 2009 to 44 PMP in 2014...
February 11, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28337219/neural-differentiation-in-hdac1-depleted-cells-is-accompanied-by-coilin-downregulation-and-the-accumulation-of-cajal-bodies-in-nucleoli
#2
Jana Krejčí, Soňa Legartová, Eva Bártová
Cajal bodies (CBs) are important compartments containing accumulated proteins that preferentially regulate RNA-related nuclear events, including splicing. Here, we studied the nuclear distribution pattern of CBs in neurogenesis. In adult brains, coilin was present at a high density, but CB formation was absent in the nuclei of the choroid plexus of the lateral ventricles. Cells of the adult hippocampus were characterized by a crescent-like morphology of coilin protein. We additionally observed a 70 kDa splice variant of coilin in adult mouse brains, which was different to embryonic brains and mouse pluripotent embryonic stem cells (mESCs), characterized by the 80 kDa standard variant of coilin...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28327910/phenobook-an-open-source-software-for-phenotypic-data-collection
#3
Juan M Crescente, Fabio Guidobaldi, Melina Demichelis, Maria B Formica, Marcelo Helguera, Leonardo S Vanzetti
Background: Research projects often involves observation, registration and data processing starting from information obtained in field experiments. In many cases these tasks are carried out by several persons in different places, times and ways adding different levels of complexity and error in data collecting. Furthermore, data processing can be time consuming and input errors may produce unwanted results. Main text: We have developed a novel, open source software called Phenobook, an easy, flexible and intuitive tool to organize, collect and save experimental data for further analyses...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28327874/left-atrial-deformation-analysis-in-patients-with-corrected-tetralogy-of-fallot-by-3d-speckle-tracking-echocardiography-from-the-magyar-path-study
#4
Kálmán Havasi, Péter Domsik, Anita Kalapos, Jackie S McGhie, Jolien W Roos-Hesselink, Tamás Forster, Attila Nemes
Background: Three-dimensional (3D) echocardiography coupled with speckle-tracking echocardiographic (STE) capability is a novel methodology which has been demontrated to be useful for the assessment of left atrial (LA) volumes and functional properties. There is increased scientific interest on myocardial deformation analysis in adult patients with corrected tetralogy of Fallot (cTOF). Objectives: To compare LA volumes, volume-based functional properties and strain parameters between cTOF patients and age- and gender-matched healthy controls...
February 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28326709/-cone-beam-computed-tomography-analysis-of-the-bony-structure-of-the-temporomandibular-joint-during-two-phase-treatment-with-herbst-appliance
#5
Chen Weiwei, Sang Ting, Huang Zhen, Wu Jun
OBJECTIVE: This study assessed the effects of two-phase treatment with Herbst appliance on the bony structure of the temporomandibular joint via cone beam computed tomography (CBCT) analysis. METHODS: This study selected 15 patients exhibiting early permanent dentition and classⅡmalocclusion combined with mandibular retrusion treated by a two phase treatment (Herbst and fixed appliance). The CBCT scans of the patients were obtained at the following stages: 2 weeks before Herbst treatment (T1), at the start of treatment when the Herbst appliance was set in place (T2), immediately after removal of the Herbst appliance (T3), and immediately after removal of the edgewise appliance (T4)...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326083/the-small-tellurium-compound-as101-ameliorates-rat-crescentic-glomerulonephritis-association-with-inhibition-of-macrophage-caspase-1-activity-via-very-late-antigen-4-inactivation
#6
Yafit Hachmo, Yona Kalechman, Itai Skornick, Uzi Gafter, Rachel R Caspi, Benjamin Sredni
Crescentic glomerulonephritis (CGN) is the most aggressive form of GN and, if untreated, patients can progress to end-stage renal failure within weeks of presentation. The α4β1 integrin very late antigen-4 (VLA-4) is an adhesion molecule of fundamental importance to the recruitment of leukocytes in inflammation. We addressed the role of VLA-4 in mediating progressive renal injury in a rat model of CGN using a small tellurium compound. AS101 [ammonium trichloro(dioxoethylene-o,o')tellurate]. This compound has been previously shown to uniquely inhibit VLA-4 activity by redox inactivation of adjacent thiols in the exofacial domain of VLA-4...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28316335/complement-in-anca-associated-vasculitis-mechanisms-and-implications-for-management
#7
REVIEW
Min Chen, David R W Jayne, Ming-Hui Zhao
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of potentially life-threatening autoimmune diseases. The main histological feature in the kidneys of patients with AAV is pauci-immune necrotizing crescentic glomerulonephritis with little immunoglobulin and complement deposition in the glomerular capillary walls. The complement system was not, therefore, initially thought to be associated with the development of AAV. Accumulating evidence from animal models and clinical observations indicate, however, that activation of the complement system - and the alternative pathway in particular - is crucial for the development of AAV, and that the complement activation product C5a has a central role...
March 20, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28302242/vanishing-white-matter-vwm-disease-presenting-as-neuro-ovarian-failure
#8
Abidullah Khan, Mohammad Humayun, Maimoona Ayub, Iqbal Haider, Fahad Ajmal, Syed Saad Shah
A 19-year girl was admitted with a one-month history of worsening spastic paraparesis, cerbellar ataxia, visual decline and worsening headaches on a background of walking difficulty, progressive quadriparesis and migraine since the age of 10 years. She had no sensory loss, and cranial nerves examination was notable for optic atrophy with crescent formation only. She had primary amenorrhea and underdeveloped secondary sexual characteristics. Ultrasonograhic studies of the pelvis confirmed small ovaries, and uterus...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28298632/glomerular-disease-crescentic-glomerulonephritis-beyond-the-immune-system
#9
Philip Webster, Charles Pusey
No abstract text is available yet for this article.
April 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28296731/clinical-outcomes-of-iga-nephropathy-patients-with-different-proportions-of-crescents
#10
Wang Zhang, Qian Zhou, Lingyao Hong, Wenfang Chen, Shicong Yang, Qiongqiong Yang, Wei Chen, Xueqing Yu
Crescents involving more than 50% of glomeruli in IgA nephropathy (IgAN) signify a rapid deterioration of renal function. However, little is known about the prognosis of IgAN patients presenting crescents in less than 50% of glomeruli. We aimed to investigate the clinicopathological characteristics and outcomes of IgAN patients with different proportions of crescents.From January 2000 to December 2011, biopsy-proven primary IgAN patients with histological crescents formation were enrolled in this retrospective cohort study...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28296059/the-pathogenicity-of-t-cell-epitopes-on-human-goodpasture-antigen-and-its-critical-amino-acid-motif
#11
Shui-Yi Hu, Qiu-Hua Gu, Jia Wang, Miao Wang, Xiao-Yu Jia, Zhao Cui, Ming-Hui Zhao
Goodpasture antigen, the non-collagenous domain of α3 chain of type IV collagen [α3(IV)NC1], is the target antigen of anti-glomerular basement membrane (GBM) antibodies. The pathogenicity of T cell epitopes is not elucidated clearly. In this study, we aim to define the nephritogenic T cell epitopes and its critical amino acid residues. Twenty-four overlapping linear peptides were synthesized covering the whole sequence of human α3(IV)NC1. Wistar-Kyoto rats were immunized with linear peptides, and experimental autoimmune glomerulonephritis was evaluated...
March 10, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28293460/pauci-immune-lupus-nephritis-possibility-or-co-incidence
#12
Döndü Üsküdar Cansu, Gökhan Temiz, Mustafa F Açıkalın, Cengiz Korkmaz
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized with immune complex formation and renal involvement of lupus and may include several kinds of pathological conditions, but mostly, it is associated with immune complex-induced glomerular disease. Pauci-immune lupus nephritis is a very rare condition. We describe a 45-year-old female patient with pauci-immune crescentic necrotizing lupus nephritis and briefly discuss the possible mechanism and pathogenesis.
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28292512/clinicopathological-and-multisection-ct-features-of-primary-pulmonary-mucoepidermoid-carcinoma
#13
D-L Cheng, Y-X Hu, P-Q Hu, G Wen, K Liu
AIM: To delineate the multisection computed tomography (MSCT) features and the clinical characteristics of primary pulmonary mucoepidermoid carcinoma (PMEC). Prognostic factors were also analysed. MATERIALS AND METHODS: A retrospective study was undertaken to investigate the medical records and MSCT performance of histopathologically confirmed PMECs from 2007 to 2015. RESULTS: A total of 83.3% of patients with high-grade PMECs were aged >40 years, whereas there were 1...
March 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28290311/a-possible-echinococcus-granulosus-calcified-cyst-found-in-a-medieval-adult-female-from-the-churchyard-of-santo-domingo-de-silos-pr%C3%A3-dena-del-rinc%C3%A3-n-madrid-spain
#14
Álvaro M Monge Calleja, Natasa Sarkic, Jesus Herrerín López, Wilson D T Antunes, Manuel F C Pereira, António Pedro Alves de Matos, Ana Luísa Santos
Calcification, or mineralisation, can occur as part of a natural process, or by pathological processes. The purpose of this work is to examine an unidentified semi-spherical and perforate hollow mass, found near the pelvis of an adult female, dated 12th-13th century AD, exhumed of the Church of Santo Domingo de Silos (Prádena del Ricón, Madrid, Spain). The mass was examined by SEM and Energy Dispersive X-Ray Spectroscopy. These procedures revealed a heterogeneous inner surface with both smooth and irregular areas...
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28287088/sfrp5-identifies-murine-cardiac-progenitors-for-all-myocardial-structures-except-for-the-right-ventricle
#15
Masayuki Fujii, Akane Sakaguchi, Ryo Kamata, Masataka Nagao, Yutaka Kikuchi, Silvia M Evans, Masao Yoshizumi, Akihiko Shimono, Yumiko Saga, Hiroki Kokubo
Upon acquirement of pulmonary circulation, the ancestral heart may have been remodelled coincidently with, or accompanied by, the production and rearrangement of progenitor cells. However, the progenitor populations that give rise to the left ventricle (LV) and sinus venosus (SV) are still ambiguous. Here we show that the expression of Secreted frizzled-related protein Sfrp5 in the mouse identifies common progenitors for the outflow tract (OFT), LV, atrium and SV but not the right ventricle (RV). Sfrp5 expression begins at the lateral sides of the cardiac crescent, excluding early differentiating regions, and continues in the venous pole, which gives rise to the SV...
March 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/28286354/how-did-the-domestication-of-fertile-crescent-grain-crops-increase-their-yields
#16
Catherine Preece, Alexandra Livarda, Pascal-Antoine Christin, Michael Wallace, Gemma Martin, Michael Charles, Glynis Jones, Mark Rees, Colin P Osborne
The origins of agriculture, 10 000 years ago, led to profound changes in the biology of plants exploited as grain crops, through the process of domestication. This special case of evolution under cultivation led to domesticated cereals and pulses requiring humans for their dispersal, but the accompanying mechanisms causing higher productivity in these plants remain unknown. The classical view of crop domestication is narrow, focusing on reproductive and seed traits including the dispersal, dormancy and size of seeds, without considering whole-plant characteristics...
February 2017: Functional Ecology
https://www.readbyqxmd.com/read/28281830/imaging-of-musculoskeletal-manifestations-in-sickle-cell-disease-patients
#17
Vijaya Kosaraju, Alok Harwani, Sasan Partovi, Nicholas Bhojwani, Vasant Garg, Sabarish Ayyappan, Christos Kosmas, Mark Robbin
Sickle cell disease (SCD) is a hereditary red cell disorder with clinical manifestations secondary to sickling or crescent shaped distortion of the red blood cells. Major clinical manifestations of sickle cell disease include hemolytic anemia and vaso-occlusive phenomena resulting in ischemic tissue injury and organ damage. Chronic sequelae of the anemia and vaso-occlusive processes involving the musculoskeletal system include complications related to extramedullary hematopoiesis, osteonecrosis, myonecrosis, and osteomyelitis...
March 10, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28280297/does-the-world-health-organization-criterion-adequately-define-glaucoma-blindness
#18
P Mokhles, Jsag Schouten, Hjm Beckers, Cab Webers
PURPOSE: Blindness in glaucoma is difficult to assess with merely the use of the current World Health Organization (WHO) definition (a visual field restricted to 10° in a radius around central fixation), as this criterion does not cover other types of visual field loss that are encountered in clinical practice and also depict blindness. In this study, a 5-point ordinal scale was developed for the assessment of common visual field defect patterns, with the purpose of comparing blindness as outcome to the findings with the WHO criterion when applied to the same visual fields...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28279834/in-situ-afm-imaging-of-apolipoprotein-a-i-directly-derived-from-plasma-hdl
#19
Chaoye Gan, Zhexuan Wang, Yong Chen
BACKGROUND AND AIMS: The major apolipoproteins of plasma lipoproteins play vital roles in the structural integrity and physiological functions of lipoproteins. More than ten structural models of apolipoprotein A-I (apoA-I), the major apolipoprotein of high-density lipoprotein (HDL), have been developed successively. In these models, apoA-I was supposed to organize in a ring-shaped form. To date, however, there is no direct evidence under physiological condition. METHODS: Here, atomic force microscopy (AFM) was used to in situ visualize the organization of apoA-I, which was exposed via depletion of the lipid component of plasma HDL pre-immobilized on functionalized mica sheets...
February 24, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28275183/vaccinia-virus-a6-is-a-two-domain-protein-requiring-a-cognate-n-terminal-domain-for-full-viral-membrane-assembly-activity
#20
Xiangzhi Meng, Lloyd Rose, Yue Han, Junpeng Deng, Yan Xiang
Poxvirus virion biogenesis is a complex, multistep process, starting with the formation of crescent-shaped viral membranes, followed by their enclosure of viral core to form the spherical immature virions. Crescent formation requires a group of proteins that are highly conserved among poxviruses, including A6 and A11 of vaccinia virus (VACV). To gain a better understanding of the molecular function of A6, we established a HeLa cell line that inducibly expressed VACV-A6, which allowed us to construct VACV mutants with A6 deletion or mutation...
March 8, 2017: Journal of Virology
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