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Membranous nephritis

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https://www.readbyqxmd.com/read/28530079/-kidney-diseases-in-north-israel-according-to-kidney-biopsies-bnai-zion-medical-center-14-years-experience
#1
Shimon Storch, Nadav Willner, Aurora Toubi, Simona Croitoru, Vladimir Wolfson, Ibrahim Matar, Elinor Grushka, Majed Odeh, Efrat Wolfovits, Elad Schiff, Yitzhak Rosner, Elias Toubi, Aharon Kessel, Ofer Ben Izhak, Boaz Moskovitz, Ofer Nativ
INTRODUCTION: Little is known about the prevalence of kidney diseases according to renal biopsy in Israel. Since updated literature worldwide emphasizes changing etiologies of chronic kidney disease, it is crucial to research and define the epidemiology and pathology of kidney disease in Israel. Hereby, we introduce an original review of the prevalence of kidney diseases in our study population, which we believe reflects the prevalence of kidney diseases in the population of Israel. AIMS: To investigate the prevalence of kidney diseases diagnosed by renal biopsy, according to age, gender, race and clinical symptoms...
September 2016: Harefuah
https://www.readbyqxmd.com/read/28528869/pure-membranous-lupus-nephritis-description-of-a-cohort-of-150-patients-and-review-of-the-literature
#2
Lucía Silva-Fernández, Teresa Otón, Anca Askanase, Patricia Carreira, Francisco Javier López-Longo, Alejandro Olivé, Íñigo Rúa-Figueroa, Javier Narváez, Esther Ruiz-Lucea, Mariano Andrés, Enrique Calvo, Francisco Toyos, Juan José Alegre-Sancho, Eva Tomero, Carlos Montilla, Antonio Zea, Esther Uriarte, Jaime Calvo-Alén, Carlos Marras, Víctor M Martínez-Taboada, María Ángeles Belmonte-López, José Rosas, Enrique Raya, Gema Bonilla, Mercedes Freire, José María Pego-Reigosa, Isabel Millán, Adwoa Hughes-Morley
OBJECTIVES: The course and long-term outcome of pure membranous lupus nephritis (MLN) are little understood. The aims of this study are to evaluate the clinical features, course, outcome and prognostic indicators in pure MLN and to determine the impact of ethnicity and the type of health insurance on the course and prognosis of pure MLN. METHODS: We conducted a retrospective review of medical records of 150 patients with pure MLN from Spain and the USA. RESULTS: Mean age was 34...
May 18, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28523301/large-variability-of-the-activity-and-chronicity-indexes-within-and-between-histological-classes-of-lupus-nephritis
#3
Tudor Azoicăi, Ioana Mădălina Belibou, Ludmila Lozneanu, Simona Eliza Giuşcă, Elena Cojocaru, Irina Draga Căruntu
Systemic lupus erythematosus (SLE) is characterized by a multifaceted pathogenesis and a heterogeneous clinical expression. The kidney involvement is almost unavoidable in all forms of SLE with chronic evolution, 75% of patients developing renal lesions defined as lupus nephritis (LN) - a glomerulonephritis with an extremely diverse lesion spectrum. The present study aimed to reevaluate a series of cases diagnosed as LN, focusing on the histological features in correlation with the level of activity and chronicity...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28515361/lupus-and-proliferative-nephritis-are-pad4-independent-in-murine-models
#4
Rachael A Gordon, Jan M Herter, Florencia Rosetti, Allison M Campbell, Hiroshi Nishi, Michael Kashgarian, Sheldon I Bastacky, Anthony Marinov, Kevin M Nickerson, Tanya N Mayadas, Mark J Shlomchik
Though recent reports suggest that neutrophil extracellular traps (NETs) are a source of antigenic nucleic acids in systemic lupus erythematosus (SLE), we recently showed that inhibition of NETs by targeting the NADPH oxidase complex via cytochrome b-245, β polypeptide (cybb) deletion exacerbated disease in the MRL.Faslpr lupus mouse model. While these data challenge the paradigm that NETs promote lupus, it is conceivable that global regulatory properties of cybb and cybb-independent NETs confound these findings...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28502323/a-case-report-on-the-exceptional-coincidence-of-two-inherited-renal-disorders-adpkd-and-alport-syndrome%C3%A2
#5
Kathrin Ebner, Nadine Reintjes, Markus Feldkötter, Friederike Körber, Mato Nagel, Jörg Dötsch, Bernd Hoppe, Lutz Thorsten Weber, Bodo B Beck, Max C Liebau
Autosomal dominant polycystic kidney disease (ADPKD) is the most common genetic cause of dialysis-requiring end-stage renal disease in adults and is characterized by the slowly progressing replacement of renal tissue by focal macrocysts. Alport syndrome (AS; hereditary nephritis) is a rare, inherited disorder of the basement membrane associated with hematuria, proteinuria, and loss of kidney function as well as sensorineural hearing loss and ocular abnormalities. Here, we report on a family in which both ADPKD and AS are present...
May 15, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28428258/deletion-of-inositol-requiring-enzyme-1%C3%AE-in-podocytes-disrupts-glomerular-capillary-integrity-and-autophagy
#6
Daniel Robert Kaufman, Joan Papillon, Louise Larose, Takao Iwawaki, Andrey V Cybulsky
Inositol-requiring enzyme-1α (IRE1α) is an endoplasmic reticulum (ER)-transmembrane endoribonuclease-kinase, which plays an essential function in extraembryonic tissues during normal development, and is activated during ER stress. To address the functional role of IRE1α in glomerular podocytes, we produced podocyte-specific IRE1α deletion mice. In male mice, deletion of IRE1α in podocytes resulted in albuminuria beginning at 5 months of age, and worsening with time. Electron microscopy revealed focal podocyte foot process effacement in 9-month old male IRE1α deletion mice, as well as microvillous transformation of podocyte plasma membranes...
April 20, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28425160/causes-of-nephrotic-syndrome-and-nephrotic-range-proteinuria-are-different-in-adult-chinese-patients-a-single-centre-study-over-33%C3%A2-years
#7
Jack Kit-Chung Ng, Terry King-Wing Ma, Fernand Mac-Moune Lai, Kai Ming Chow, Bonnie Ching-Ha Kwan, Chi Bon Leung, Philip Kam-To Li, Cheuk Chun Szeto
BACKGROUND: The reported causes of nephrotic syndrome (NS) varied between different countries. Less is known about the causes of nephrotic-range proteinuria (NPU). METHODS: In this single-centre, retrospective study of adult patients who underwent renal biopsy between 1983-2015 in a tertiary referral hospital in Hong Kong, we aimed to evaluate the underlying causes of NS and NPU. We also determined the distribution of histopathological diagnoses with regard to the age subgroups and time periods RESULTS: Among 7,456 patients who underwent renal biopsy, 982 and 838 patients had NS and NPU, respectively...
April 20, 2017: Nephrology
https://www.readbyqxmd.com/read/28419296/urinary-podocyte-and-tgf-%C3%AE-1-mrna-as-markers-for-disease-activity-and-progression-in-anti-glomerular-basement-membrane-nephritis
#8
Akihiro Fukuda, Akihiro Minakawa, Yuji Sato, Takashi Iwakiri, Shuji Iwatsubo, Hiroyuki Komatsu, Masao Kikuchi, Kazuo Kitamura, Roger C Wiggins, Shouichi Fujimoto
Background.: Podocyte depletion causes glomerulosclerosis, with persistent podocyte loss being a major factor driving disease progression. Urinary podocyte mRNA is potentially useful for monitoring disease progression in both animal models and in humans. To determine whether the same principles apply to crescentic glomerular injury, a rat model of anti-glomerular basement membrane (anti-GBM) nephritis was studied in parallel with a patient with anti-GBM nephritis. Methods...
April 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28391344/is-there-a-role-for-tnf%C3%AE-blockade-in-anca-associated-vasculitis-and-glomerulonephritis
#9
Stephen P McAdoo, Charles D Pusey
Tumour necrosis factor alpha (TNFα) is a cytokine that is pivotal in the inflammatory response. Blockade of TNFα has been shown to be effective in a number of human autoimmune diseases, including rheumatoid arthritis, raising the question of whether this approach may be effective in inflammatory kidney disease, such as ANCA-associated vasculitis (AAV). In AAV, there is considerable evidence for the role of TNFα in the pathophysiology of disease, including increased expression of TNFα mRNA in leucocytes and in renal tissue...
January 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28382508/clinicopathological-characteristics-of-typical-and-atypical-anti-glomerular-basement-membrane-nephritis
#10
REVIEW
Vincenzo L'Imperio, Elena Ajello, Federico Pieruzzi, Manuela Nebuloni, Antonella Tosoni, Franco Ferrario, Fabio Pagni
Anti-glomerular basement membrane (GBM) antibody disease is a rare pathological condition that mainly involves renal and/or pulmonary parenchyma. It is characterized by the presence of circulating anti-GBM antibodies accompanied by a linear deposition of immunoglobulins (Ig) detected through immunofluorescence (IF) technique and typical signs and symptoms of organ dysfunction, such as rapidly progressive glomerulonephritis (RPGN) and pulmonary hemorrhage (PH). However, recently atypical forms of anti-GBM disease have been described and the presence of overlapping diseases contributed to make its diagnosis challenging...
April 5, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28352022/analysis-of-renal-diseases-detected-in-renal-biopsies-of-adult-patients-a-single-center-experience
#11
Salman Imtiaz, Murtaza F Drohlia, Kiran Nasir, Beena Salman, Aasim Ahmad
Renal biopsy is crucial while evaluating for the diagnosis of glomerular, vascular, tubulointerstitial, and genetic diseases. It gives vital information which helps in estimating the disease prognosis, progression, and management. This is the retrospective analysis of all adult patients aged above 18 years, who underwent percutaneous renal biopsy at The Kidney Center Post Graduate Training Institute, Karachi, over a duration of 18 years, i.e., January 1, 1996, to December 2013. Renal graft biopsies and those which were inadequate were excluded from analysis...
March 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28340077/idiopathic-non-lupus-full-house-nephropathy-is-associated-with-poor-renal-outcome
#12
Emilie C Rijnink, Y K Onno Teng, Tineke Kraaij, Ron Wolterbeek, Jan A Bruijn, Ingeborg M Bajema
Background.: Full-house immunofluorescence in combination with various histopathologic lesions in the renal biopsies of patients without overt systemic lupus erythematosus (SLE) poses a diagnostic challenge. In this setting, the biopsy findings are sometimes termed non-lupus 'full-house nephropathy' (FHN). It is presently unknown whether idiopathic non-lupus FHN is clinicopathologically and prognostically distinct from lupus FHN. Methods.: We included non-lupus FHN patients and lupus FHN controls (four or more American College of Rheumatology or Systemic Lupus International Collaborating Clinics criteria) who were biopsied between 1968 and 2014 at the Leiden University Medical Centre...
April 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339709/clinicopathologic-correlations-of-renal-pathology-in-the-adult-population-of-poland
#13
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...
April 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28334051/dissecting-the-relationships-of-igg-subclasses-and-complements-in-membranous-lupus-nephritis-and-idiopathic-membranous-nephropathy
#14
Woong Na, Kijong Yi, Young Soo Song, Moon Hyang Park
Membranous lupus nephritis (MLN) and idiopathic membranous nephropathy (IMN) are kidney diseases with similar morphology, but distinct etiologies, both producing glomeruli with immune deposits. Immunoglobulins and complements, the main components of the deposits, can be detected by immunofluorescence (IF) microscopy. Previous researches characterized the immune deposits only individually, but not the interactions between them. To study these relationships we analyzed an IF profile of IgG subclasses and complements (IgG1, IgG2, IgG3, IgG4, C3, C1q, and C4) in 53 and 95 cases of biopsy-confirmed MLNs and IMNs, respectively, mainly using information theory and Bayesian networks...
2017: PloS One
https://www.readbyqxmd.com/read/28325866/temporal-and-demographic-trends-in-glomerular-disease-epidemiology-in-the-southeastern-united-states-1986-2015
#15
Michelle M O'Shaughnessy, Susan L Hogan, Caroline J Poulton, Ronald J Falk, Harsharan K Singh, Volker Nickeleit, J Charles Jennette
BACKGROUND AND OBJECTIVES: Large-scale, contemporary studies exploring glomerular disease epidemiology in the United States are lacking. We aimed to determine 30-year temporal and demographic trends in renal biopsy glomerular disease diagnosis frequencies in the southeastern United States. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: In this cross-sectional, observational study, we identified all patients with a native kidney biopsy specimen showing one of 18 widely recognized glomerular disease diagnoses referred to the University of North Carolina Chapel Hill Division of Nephropathology between 1986 and 2015...
April 3, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28325471/can-we-identify-who-gets-benefit-or-harm-from-mycophenolate-mofetil-in-systemic-lupus-erythematosus-a-systematic-review
#16
Claudia Mendoza-Pinto, Carmelo Pirone, Daniëlle A van der Windt, Ben Parker, Ian N Bruce
OBJECTIVES: We aimed to summarize the evidence examining factors that predict differential response to mycophenolate mofetil (MMF) in systemic lupus erythematosus (SLE). METHODS: Systematic searches of randomized clinical trials (RCT) to identify predictors of the effects of MMF (moderators), and cohort studies to explore prognostic factors associated with MMF outcomes (response, relapse, or adverse events) were performed. Two reviewers independently assessed the methodological quality of RCTs using the Cochrane Collaboration risk of bias tool and cohort studies using the QUality In Prognosis Studies tool...
February 9, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28284385/igg4-related-tubulointerstitial-nephritis
#17
REVIEW
Pingchuan Zhang, Lynn D Cornell
Immunoglobulin G4 (IgG4)-related disease (IgG4-RD) is a fibroinflammatory disorder that can involve nearly any organ. The disorder has increasingly become known as a distinct clinical entity during the last decade. IgG4-related tubulointerstitial nephritis (IgG4-TIN) is the most common manifestation of IgG4-RD in the kidney. Many patients with IgG4-TIN are diagnosed after IgG4-RD has been recognized in other organ systems, but the kidney may also be the first or only site involved. The presenting clinical features of IgG4-TIN are most commonly kidney insufficiency, kidney mass lesion(s), or both...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28255922/the-clinical-and-pathological-characteristics-of-nephropathies-in-connective-tissue-diseases-in-the-japan-renal-biopsy-registry-j-rbr
#18
Kazunobu Ichikawa, Tsuneo Konta, Hiroshi Sato, Yoshihiko Ueda, Hitoshi Yokoyama
BACKGROUND: In connective tissue diseases, a wide variety of glomerular, tubulointerstitial, and vascular lesions of the kidney are observed. Nonetheless, recent information is limited regarding renal lesions in connective tissue diseases, except in systemic lupus erythematosus (SLE). METHODS: In this study, we used a nationwide database of biopsy-confirmed renal diseases in Japan (J-RBR) (UMIN000000618). In total, 20,523 registered patients underwent biopsy between 2007 and 2013; from 110 patients with connective tissue diseases except SLE, we extracted data regarding the clinico-pathological characteristics of the renal biopsy...
March 2, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28219886/dependence-of-glomerulonephritis-induction-on-novel-intraglomerular-alternatively-activated-bone-marrow-derived-macrophages-and-mac-1-and-pd-l1-in-lupus-prone-nzm2328-mice
#19
Sun-Sang J Sung, Yan Ge, Chao Dai, Hongyang Wang, Shu Man Fu, Rahul Sharma, Young S Hahn, Jing Yu, Thu H Le, Mark D Okusa, Warren K Bolton, Jessica R Lawler
Glomerular damage mediated by glomerulus-infiltrating myeloid-derived cells is a key pathogenic event in lupus nephritis (LN), but the process is poorly understood. Confocal microscopy of kidney sections and flow cytometry analysis of glomerular cells from magnetic bead-purified glomeruli have identified glomerulus-infiltrating leukocyte populations in NZM2328 (NZM) lupus-prone mice with spontaneous chronic glomerulonephritis (GN) and anti-glomerular basement membrane-induced nephritis. The occurrence of a major glomerulus-infiltrating CD11b(+)F4/80(-)I-A(-) macrophage population exhibiting the markers programmed death ligand-1 (PD-L1), Mac-2, and macrophage mannose receptor (CD206) and producing Klf4, Il10, Retnla, Tnf, and Il6 mRNA, which are known to be expressed by alternatively activated (M2b) macrophages, correlated with proteinuria status...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28207635/kidney-transplantation-rates-across-glomerulonephritis-subtypes-in-the-united-states
#20
Michelle M O'Shaughnessy, Sai Liu, Maria E Montez-Rath, Richard A Lafayette, Wolfgang C Winkelmayer
BACKGROUND: Whether kidney transplantation rates differ by glomerulonephritis (GN) subtype remains largely unknown. METHODS: Using the US Renal Data System, we identified all adult patients with ESRD attributed to 1 of 6 GN subtypes who initiated dialysis in the US (1996-2013). Patients with diabetic nephropathy (DN) and autosomal-dominant polycystic kidney disease (ADPKD) served as "external" non-GN comparators. Using Cox proportional hazards regression, with death considered a competing risk, we estimated hazard ratios [HRs (95% confidence intervals)] for first kidney transplantation, controlling for year, demographics, comorbidities, socioeconomic factors, and Organ Procurement Organization (OPO)...
February 15, 2017: Transplantation
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