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https://www.readbyqxmd.com/read/28526805/evaluation-of-crescent-formation-as-a-predictive-marker-in-immunoglobulin-a-nephropathy-a-systematic-review-and-meta-analysis
#1
Xue Shao, Bingjue Li, Luxi Cao, Ludan Liang, Jingjuan Yang, Yucheng Wang, Shi Feng, Cuili Wang, Chunhua Weng, Xiujin Shen, Hong Jiang, Jianghua Chen
The 2009 Oxford Classification of immunoglobulin A (IgA) nephropathy (IgAN) identifies four histological features as predictors of renal prognosis: mesangial hypercellularity (M), endocapillary hypercellularity (E), segmental glomerulosclerosis (S), and tubular atrophy/interstitial fibrosis (T). However, the clinical and prognostic significance of crescent formation still remains controversial. Therefore, we performed a meta-analysis to evaluate the association between crescents and kidney outcome in IgAN. A total of 20 studies published from January 2009 to July 2016 involving 5,285 patients were included after systematic searches of PubMed and EMBASE databases...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525979/the-association-between-lunar-phase-and-intracranial-aneurysm-rupture-myth-or-reality-own-data-and-systematic-review
#2
Adomas Bunevicius, Agne Gendvilaite, Vytenis Pranas Deltuva, Arimantas Tamasauskas
BACKGROUND: It is a common belief in medical community that lunar phases have an impact on human health. A growing body of evidence indicates that lunar phases can predict the risk to develop acute neurological and vascular disorders. The goal of present report was to present our institution data and to perform systematic review of studies examining the association of intracranial aneurysm rupture with moon phases. METHODS: We identified all patients admitted to our department for ruptured intracranial aneurysms in a period between November, 2011 and December, 2014...
May 19, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28517044/intercentrum-versus-pleurocentrum-growth-in-early-tetrapods-a-paleohistological-approach
#3
Marylène Danto, Florian Witzmann, Stephanie E Pierce, Nadia B Fröbisch
A variety of vertebral centrum morphologies have evolved within early tetrapods which range from multipartite centra consisting of intercentra and pleurocentra in stem-tetrapods, temnospondyls, seymouriamorphs, and anthracosaurs up to monospondylous centra in lepospondyls. With the present study, we aim to determine the formation of both intercentrum and pleurocentrum and asked whether these can be homologized based on their bone histology. Both intercentra and pleurocentra ossified endochondrally and periosteal bone was subsequently deposited on the outer surface of the centra...
May 18, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28515415/evaluation-of-mycophenolate-mofetil-and-low-dose-steroid-combined-therapy-in-moderately-severe-henoch-sch%C3%A3-nlein-purpura-nephritis
#4
Zhihong Lu, Junfeng Song, Jianhua Mao, Yonghui Xia, Caiyun Wang
BACKGROUND The most appropriate management of Henoch-Schönlein Purpura (HSP) nephritis with nephrotic-range proteinuria remains uncertain. The aim of this study was to evaluate the clinical therapeutic effects of mycophenolate mofetil and low-dose steroid in Henoch-Schönlein purpura nephritis (HSPN) with nephrotic-range proteinuria and pathological classification less than IV in children. MATERIAL AND METHODS The clinical effects of MMF and low-dose steroid therapy were studied in children with Henoch-Schönlein purpura nephritis manifested with nephrotic-range proteinuria, normal kidney function, and <50% crescents or sclerosing lesions on renal biopsy...
May 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28515156/anti-glomerular-basement-membrane-disease
#5
Stephen P McAdoo, Charles D Pusey
Anti-glomerular basement membrane (anti-GBM) disease is a rare small vessel vasculitis that affects the capillary beds of the kidneys and lungs. It is an archetypic autoimmune disease, caused by the development of directly pathogenic autoantibodies targeting a well characterized autoantigen expressed in the basement membranes of these organs, although the inciting events that induce the autoimmune response are not fully understood. The recent confirmation of spatial and temporal clustering of cases suggests that environmental factors, including infection, may trigger disease in genetically susceptible individuals...
May 17, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28514287/concurrent-igg4-related-tubulointerstitial-nephritis-and-igg4-myeloperoxidase-anti-neutrophil-cytoplasmic-antibody-positive-crescentic-glomerulonephritis-a-case-report
#6
Tao Su, Li Yang, Zhao Cui, Su-Xia Wang, Ming-Hui Zhao
RATIONALE: IgG4-related disease (IgG4-RD) is a newly recognized systemic disease. The typical pathological finding in the kidney is abundant IgG4-positive plasma cell infiltration with characteristic storiform fibrosis in the interstitium. Antibodies of the IgG4 subclass have been linked to certain autoimmune diseases including antiproteinase 3 (PR3) anti-neutrophil cytoplasmic antibody (ANCA) of the IgG4 subclass. Here, we report a rare case of kidney injury with concurrent typical IgG4-related tubulointerstitial nephritis and IgG4 subclass of myeloperoxidase (MPO) ANCA-positive necrotizing crescentic glomerulonephritis...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28509135/renal-limited-vasculitis-with-elevated-levels-of-multiple-antibodies
#7
Noriaki Sato, Hideki Yokoi, Hirotaka Imamaki, Eiichiro Uchino, Kaoru Sakai, Takeshi Matsubara, Tatsuo Tsukamoto, Sachiko Minamiguchi, Motoko Yanagita
Renal-limited vasculitis (RLV) is a type of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis that presents with crescentic glomerulonephritis with no other organ involvement. Although several studies reported patients with crescentic glomerulonephritis who were dual positive for proteinase 3 (PR3)-ANCA and myeloperoxidase (MPO)-ANCA or ANCA and anti-glomerular basement membrane (GBM) antibody, patients positive for all three antibodies, i.e., triple-positive patients, were rarely reported. We herein report the case of a male with pauci-immune type crescentic glomerulonephritis positive for MPO-ANCA, PR3-ANCA, and anti-GBM antibody...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28509125/a-case-of-pr3-anca-positive-anti-gbm-disease-associated-with-intrarenal-arteritis-and-thrombotic-microangiopathy
#8
Shun Manabe, Mayuko Banno, Marie Nakano, Teruhiro Fujii, Yukio Kakuta, Kosaku Nitta, Michiyasu Hatano
Coexistence of anti-glomerular basement membrane (anti-GBM) disease with anti-neutrophil cytoplasmic antibody (ANCA) is occasionally reported and termed "double positive" disease. Interestingly, the majority of "double positive" ANCA is myeloperoxidase (MPO)-ANCA, and some of the MPO-ANCA-positive cases reveal intrarenal arteritis indicating an ANCA-associated renal lesion. In contrast, proteinase 3 (PR3)-ANCA-positive "double positive" disease had rarely been reported, and as far as we know, none of the cases showed intrarenal arteritis...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28509121/antithyroid-drug-associated-mpo-anca-positive-tubulointerstitial-nephritis-in-a-type-2-diabetes-patient-a-case-report
#9
Shinsuke Nishimura, Kazushi Nakao, Masaya Takeda, Ikuko Matsuura, Yoshihisa Nomura, Sonei Shojima, Yuriko Yamamura, Kazuyuki Fujita, Noriya Momoki, Keisuke Maruyama, Masahiro Yamamura, Makoto Hiramatsu
A 54-year-old man diagnosed with type 2 diabetes and hyperthyroidism was prescribed propylthiouracil (PTU) after the patient developed hepatic dysfunction on thiamazole. At 50 mg/day of PTU, he was stable with thyroid-stimulating hormone receptor and thyrotropic antibody titers remaining stable. After four years of taking PTU, he was referred to the Department of Nephrology due to a rapid increase in his serum creatinine (Cr) level. He showed impaired renal function (Cr 2.26 mg/dL; estimated glomerular filtration rate (eGFR), 25 mL/min)...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28508974/pauci-immune-crescentic-glomerulonephritis-associated-with-use-of-trimethoprim-sulfamethoxazole
#10
Shruti S Hegde, Vanesa Bijol, Bertrand L Jaber
Drug-induced pauci-immune crescentic glomerulonephritis has been described with several agents, including propylthiouracil, minocycline, D-penicillamine, and hydralazine. We present the case of a 60-year-old man who presented with rapidly progressive glomerulonephritis in the setting of recent use of trimethoprim-sulfamethoxazole complicated by the development of the Stevens-Johnson syndrome, and was found to have biopsy-proven pauci-immune crescentic glomerulonephritis and undetectable anti-neutrophilic cytoplasmic antibodies...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28508000/knowledge-and-attitude-of-iranian-red-crescent-society-volunteers-in-dealing-with-chemical-attacks
#11
Maryam Nadjafi, Siavash Hamzeh Pour
OBJECTIVE: To evaluate the knowledge, attitude, and preparedness of Mahabad Red Crescent Society volunteers in dealing with chemical attacks. METHODS: This prospective cross-sectional study was conducted on 120 Red Crescent Society volunteers in Mahabad City, Iran, during 2014-2015.The knowledge of the volunteers was evaluated and rated using a questionnaire as poor, moderate, and good. Also, the attitude of the volunteers towards the chemical attacks and their preparedness were rated as appropriate and inappropriate using a questionnaire...
April 2017: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/28507661/bone-marrow-aspirate-concentrate-in-combination-with-intravenous-iloprost-increases-bone-healing-in-patients-with-avascular-necrosis-of-the-femoral-head-a-matched-pair-analysis
#12
Hakan Pilge, Bernd Bittersohl, Johannes Schneppendahl, Tobias Hesper, Christoph Zilkens, Martin Ruppert, Rüdiger Krauspe, Marcus Jäger
With disease progression, avascular necrosis (AVN) of the femoral head may lead to a collapse of the articular surface. The exact pathophysiology of AVN remains unclear, although several conditions are known that can result in spontaneous cell death, leading to a reduction of trabecular bone and the development of AVN. Hip AVN treatment is stage-dependent in which two main stages of the disease can be distinguished: pre-collapse (ARCO 0-II) and post-collapse stage (ARCO III-IV, crescent sign). In the pre-collapse phase, core decompression (CD), with or without the addition of bone marrow (e...
November 17, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/28507162/lipophagy-prevents-activity-dependent-neurodegeneration-due-to-dihydroceramide-accumulation-in-vivo
#13
Wei-Hung Jung, Chung-Chih Liu, Yu-Lian Yu, Yu-Chin Chang, Wen-Yu Lien, Hsi-Chun Chao, Shu-Yi Huang, Ching-Hua Kuo, Han-Chen Ho, Chih-Chiang Chan
Dihydroceramide desaturases are evolutionarily conserved enzymes that convert dihydroceramide (dhCer) to ceramide (Cer). While elevated Cer levels cause neurodegenerative diseases, the neuronal activity of its direct precursor, dhCer, remains unclear. We show that knockout of the fly dhCer desaturase gene, infertile crescent (ifc), results in larval lethality with increased dhCer and decreased Cer levels. Light stimulation leads to ROS increase and apoptotic cell death in ifc-KO photoreceptors, resulting in activity-dependent neurodegeneration...
May 15, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28501359/the-ebola-epidemic-in-liberia-and-managing-the-dead-a-future-role-for-humanitarian-forensic-action
#14
Stephen Cordner, Heinrich Bouwer, Morris Tidball-Binz
With some of their economies, communities and health systems weakened by decades of war and poor governance, it was no accident that an epidemic of Ebola virus disease broke out in west Africa. Being spread in part by contact with body fluids of those who had died from the disease, funerary rites and the way dead bodies were managed were important modes of transmission. The Liberian Red Cross, supported by the International Federation of Red Cross and Red Crescent Societies and the International Committee of the Red Cross, undertook the challenging task of managing the dead bodies in Monrovia during the epidemic...
April 25, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28491860/differences-in-the-frequency-of-macrophage-and-t-cell-markers-between-focal-and-crescentic-classes-of-anti-neutrophil-cytoplasmic-antibody-anca-associated-glomerulonephritis
#15
Dana Kidder, Susan E Bray, Stewart Fleming
BACKGROUND: Anti-neutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (AAGN) can be classified into; focal, crescentic, mixed and sclerotic classes. Macrophages and T lymphocytes are key players in mediating renal injury. The frequency of macrophage and T lymphocytes in different histological classes is unclear. OBJECTIVES: We examined the frequency of macrophage and T lymphocyte markers in AAGN and assessed their correlation with renal function at presentation...
March 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28491331/mpo-c-anca-associated-necrotising-and-crescentic-glomerulonephritis
#16
Abhilash Koratala, Dara N Wakefield, Kawther F Alquadan, A Ahsan Ejaz
The patterns of ANCA staining usually relate closely to antibodies against myeloperoxidase and proteinase-3. C-ANCA is mainly antibodies to proteinase-3 and P-ANCA is antibodies to myeloperoxidase. C-ANCA with antibodies to MPO with clinical sequelae is unusual.
April 2017: JRSM Open
https://www.readbyqxmd.com/read/28491078/the-importance-of-being-on-time-regulatory-networks-controlling-photoperiodic-flowering-in-cereals
#17
REVIEW
Vittoria Brambilla, Jorge Gomez-Ariza, Martina Cerise, Fabio Fornara
Flowering is the result of the coordination between genetic information and environmental cues. Gene regulatory networks have evolved in plants in order to measure diurnal and seasonal variation of day length (or photoperiod), thus aligning the reproductive phase with the most favorable season of the year. The capacity of plants to discriminate distinct photoperiods classifies them into long and short day species, depending on the conditions that induce flowering. Plants of tropical origin and adapted to short day lengths include rice, maize, and sorghum, whereas wheat and barley were originally domesticated in the Fertile Crescent and are considered long day species...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28485295/hearing-loss-in-mild-osas-and-simple-snoring-patients
#18
Maria Carla Spinosi, Francesca D'Amico, Giulio Passali, Cemal Cingi, Hugo Rodriguez, Desiderio Passali
Introduction Obstructive Sleep Apnea Syndrome (OSAS) is characterized by recurrent episodes of prolonged partial or complete obstruction of the upper airways. Several study groups studied the effect of snoring and OSAS on auditory function, showing an increase in the incidence of hearing loss in apneic patients, an earlier onset and/or a degree of hearing loss deeper than in peers. The aim of our study is to evaluate the audiological performance of a population of simple-snoring patients and patients suffering from mild OSAS, and the impact that such pathological condition can have on the auditory function, considering the significant levels of chronic noise...
April 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28473317/clinical-and-histopathologic-characteristics-associated-with-renal-outcomes-in-lupus-nephritis
#19
Emilie C Rijnink, Y K Onno Teng, Suzanne Wilhelmus, Mathilde Almekinders, Ron Wolterbeek, Karlien Cransberg, Jan A Bruijn, Ingeborg M Bajema
BACKGROUND AND OBJECTIVES: The prognostic significance of histopathologic (sub)classes in the current classification of lupus nephritis (LN) is controversial. We analyzed clinical and histopathologic predictors of renal outcome in LN outside the framework of the classification. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Variables (50 histopathologic and ten clinical) were tested in mixed, linear, and Cox regression models for their association with renal flare, ESRD, and eGFR during follow-up (1, 5, and 10 years) in 105 patients with LN who underwent biopsy from 1987 to 2011...
May 8, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28469165/the-regulatory-t-cell-transcription-factor-foxp3-protects-against-crescentic-glomerulonephritis
#20
Chen Yang, Xiao-Ru Huang, Erik Fung, Hua-Feng Liu, Hui-Yao Lan
Regulatory T cells (Tregs) have been shown to play a protective role in glomerulonephritis (GN) and Foxp3 is a master transcription factor in Treg development. In this study, we examined the functional role and mechanisms of Foxp3 in a mouse model of accelerated anti-glomerular basement membrane (anti-GBM) GN induced in antigen-primed Foxp3 transgenic (Tg) mice. Compared with littermate of wildtype (WT) mice in which induced severe crescentic GN developed with progressive renal dysfunction, Foxp3 Tg mice had reduced crescent formation, urinary protein excretion, plasma creatinine and decline in creatinine clearance...
May 3, 2017: Scientific Reports
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