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Membranoproliferative glomerulonephritis

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https://www.readbyqxmd.com/read/29030465/cluster-analysis-identifies-distinct-pathogenetic-patterns-in-c3-glomerulopathies-immune-complex-mediated-membranoproliferative-gn
#1
Paraskevas Iatropoulos, Erica Daina, Manuela Curreri, Rossella Piras, Elisabetta Valoti, Caterina Mele, Elena Bresin, Sara Gamba, Marta Alberti, Matteo Breno, Annalisa Perna, Serena Bettoni, Ettore Sabadini, Luisa Murer, Marina Vivarelli, Marina Noris, Giuseppe Remuzzi
Membranoproliferative GN (MPGN) was recently reclassified as alternative pathway complement-mediated C3 glomerulopathy (C3G) and immune complex-mediated membranoproliferative GN (IC-MPGN). However, genetic and acquired alternative pathway abnormalities are also observed in IC-MPGN. Here, we explored the presence of distinct disease entities characterized by specific pathophysiologic mechanisms. We performed unsupervised hierarchical clustering, a data-driven statistical approach, on histologic, genetic, and clinical data and data regarding serum/plasma complement parameters from 173 patients with C3G/IC-MPGN...
October 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28984775/clinicopathological-features-of-progressive-renal-involvement-in-tafro-syndrome-a-case-report-and-literature-review
#2
REVIEW
Mari Tanaka, Hiraku Tsujimoto, Kojiro Yamamoto, Saeko Shimoda, Kazumasa Oka, Hiroya Takeoka
RATIONALE: TAFRO syndrome is a systemic inflammatory disease characterized by a constellation of symptoms: Thrombocytopenia, Anasarca, MyeloFibrosis, Renal dysfunction, and Organomegaly. Progressive renal insufficiency is a predominant symptom; however, the mechanism of acute kidney injury (AKI) remains unclear, probably because severe thrombocytopenia prevents kidney biopsy. We report a rare case of TAFRO syndrome with histologically confirmed renal involvement. PATIENTS CONCERNS: A 70-year-old man developed fever, anasarca, AKI, thrombocytopenia, and hepatosplenomegaly...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28974086/renal-disease-in-patients-with-celiac-disease-a-review
#3
Boonphiphop Boonpheng, Wisit Cheungpasitporn, Karn Wijarnpreecha
Celiac disease, an inflammatory disease of small bowel caused by sensitivity to dietary gluten and related protein, affects approximately 0.5-1% of the population in the Western world. Extraintestinal symptoms and associated diseases are increasingly recognized including diabetes mellitus type 1, thyroid disease, dermatitis herpetiformis and ataxia. There have also been a number of reports of various types of renal involvement in patients with celiac disease including diabetes nephropathy, IgA nephropathy, membranous nephropathy, membranoproliferative glomerulonephritis, nephrotic syndrome related to malabsorption, oxalate nephropathy, and associations of celiac disease with chronic kidney disease and end-stage kidney disease...
October 3, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28950764/unusual-presentation-of-secondary-syphilis-membranoproliferative-glomerulonephritis-andmuco-cutaneous-lesions
#4
Linda Tognetti, Elisa Cinotti, Sergio Tripodi, Guido Garosi, Pietro Rubegni
The worldwide re-emergence of secondary syphilis which happened in the last decade, has led to an increase in primary and secondary syphilis cases, along with the presentation of atypical forms. Nevertheless, reports of renal syphilis with mucosal and/or cutaneous manifestations are nowadays increasing. Typically, secondary syphilis infection in adults causes nephrotic syndrome due to a membranous glomerulonephritis. Here, we report a case of a 30-year-old immunocompetent man presenting with skin rash, oral and perianal erosions and nephritic syndrome...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28949280/childhood-nephrotic-syndrome-in-tropical-africa-then-and-now
#5
Wasiu A Olowu, Adebowale Ademola, Adebukola B Ajite, Yauba M Saad
This descriptive and comparative review examines the changing epidemiology, treatment, renal and patient outcome of childhood nephrotic syndrome (NS) in tropical Africa (TpAfr). In the 1960s to 1980s, corticosteroid-resistant non-minimal change disease (nMCD) including quartan malaria nephropathy (QMN) was the dominant renal histopathology type. The overall incidence of NS was 0.35-1.34% of hospital admissions. Median age at onset of NS ranged between 4.0 and 12.0 years while the mean (SD) age range was 5.8 (3...
September 26, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28918828/crescentic-glomerulonephritis-with-immunoglobulin-g4-related-disease
#6
Inbar Raber, Asiri Ediriwickrema, John Higgins, Neeraja Kambham, Alan C Pao
Immunoglobulin G4 (IgG4)-related disease is an uncommon autoimmune disease that affects multiple organ systems. Renal involvement typically presents as tubulointerstitial nephritis and less commonly as membranous glomerulonephritis. In this case report, we discuss a 68-year-old patient who presented with rapidly progressive glomerulonephritis. His renal biopsy revealed a membranoproliferative pattern of injury with fibrocellular crescents and extensive infiltration of the tubulointerstitium with IgG4-positive plasma cells...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28881523/-further-understanding-of-membranoproliferative-glomerulonephritis
#7
W Wu, X Yang, R F Zhang
No abstract text is available yet for this article.
September 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28881045/diagnostic-accuracy-of-immunofluorescence-versus-immunoperoxidase-staining-to-distinguish-immune-complex-mediated-glomerulonephritis-and-c3-dominant-glomerulopathy
#8
Yassine Bouatou, Jesper Kers, Marie S N Chevalier-Florquin, Nike Claessen, Tri Q Nguyen, Jeffrey Damman, Henrique Proença, Joris J T H Roelofs, Sandrine Florquin
AIMS: Membranoproliferative glomerulonephritis (MPGN) has been reclassified from an electron microscopy to an immunofluorescence (IF) based semi quantitative classification with immunoperoxidase (IP) technique as a backup option when IF is not possible. However, no data are available on the interobserver variability, the correlation and the reclassification of MPGN based on these two techniques. METHODS & RESULTS: We retrospectively analyzed cases of type 1 MPGN...
September 7, 2017: Histopathology
https://www.readbyqxmd.com/read/28873225/chronic-hepatitis-c-increases-the-risk-of-chronic-kidney-disease-ckd-while-effective-hcv-treatment-decreases-the-incidence-of-ckd
#9
Haesuk Park, Chao Chen, Wei Wang, Linda Henry, Robert L Cook, David R Nelson
We aimed to assess the risk of chronic kidney disease (CKD) in chronic hepatitis C virus (HCV) infected patients and the incidence reduction of CKD after receipt of HCV treatment. We also evaluated the risk of membranoproliferative glomerulonephritis (MPGN) and cryoglobulinemia in chronic HCV patients. A retrospective cohort analysis of the Truven Health MarketScan Database (2008-2015) in the United States was conducted. In a cohort of 56,448 HCV-infected patients and propensity score (1:3) matched 169,344 non-HCV patients, we examined the association of HCV infection with the incidence of CKD...
September 5, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28868298/case-report-of-spontaneous-remission-of-biopsy-proven-idiopathic-immune-complex-mediated-membranoproliferative-glomerulonephritis
#10
Rehan Shah, Mark S Segal, Michael J Wilkowski
Membranoproliferative glomerulonephritis (MPGN) is a histopathologic diagnosis causing microscopic hematuria, nephrotic range proteinuria, and chronic renal failure. Current understanding divides pathogenesis into two broad categories: immune complex mediated and complement mediated (now termed C3 glomerulopathy). The term idiopathic immune complex-mediated MPGN would apply to a patient without an identifiable source of immune complex production and no evidence of C3 glomerulopathy. Presented is a patient with idiopathic immune complex mediated MPGN and her clinical course...
May 2017: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/28863792/genetics-of-immune-mediated-glomerular-diseases-focus-on-complement
#11
REVIEW
Marina Noris, Giuseppe Remuzzi
The spectrum of immune-mediated glomerular diseases is wide, ranging from rare diseases with well-recognized genetic origins to more common and multifactorial diseases. Immune-mediated glomerular injury is complex and involves both the innate and the adaptive immune systems. In the past 20 years a huge effort has been undertaken to unravel the genetic basis of immune-mediated glomerular diseases. The discovery of abnormalities in genes encoding proteins of the alternative pathway of complement in more than 50% of patients with atypical hemolytic uremic syndrome (aHUS), and in approximately 20% of patients with membranoproliferative glomerulonephritis (MPGN), has highlighted the role of this complement pathway in the pathogenesis of immune-mediated glomerular diseases...
September 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28798244/atypical-haemolytic-uremic-syndrome-ahus-and-membranoproliferative-glomerulonephritis-mpgn-different-diseases-or-a-spectrum-of-complement-mediated-glomerular-diseases
#12
Ghada A Ankawi, William F Clark
Historically, patients with kidney diseases caused by genetic or acquired dysregulation of the complement alternative pathway have been grouped into clinical syndromes, C3 glomerulopathy (C3GN/DDD) and thrombotic microangiopathy (TMA), specifically atypical haemolytic uremic syndrome (aHUS). Recent data suggested that these diseases share a common pathophysiology and that patients can transition between glomerulopathies in this spectrum. Histopathologically, the main difference cited is the immunofluorescence (IF) findings, with C3 predominance in C3 glomerulopathy (compared with immunoglobulins and complements in immune complex-mediated membranoproliferative glomerulonephritis (MPGN)) and negative IF in TMA...
August 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28763127/european-veterinary-renal-pathology-service-a-survey-over-a-7-year-period-2008-2015
#13
L Aresu, V Martini, S L Benali, C Brovida, R E Cianciolo, R Dalla Riva, D Trez, J J Van Der Lugt, A Van Dongen, E Zini
BACKGROUND: The European Veterinary Renal Pathology Service (EVRPS) is the first Web-based registry for canine renal biopsy specimens in Europe. HYPOTHESIS/OBJECTIVES: The aim was to verify whether differences exist between the clinical and laboratory presentation of dogs with nephropathy according to renal pathological findings, as defined by light and electron microscopy of renal biopsy specimens submitted to EVRPS. ANIMALS: Renal biopsy specimens of dogs were collected from the archive of the service (n = 254)...
September 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28761237/membranoproliferative-glomerulonephritis-associated-with-a-human-immunodeficiency-virus-infection
#14
H Rafik, M El Amrani, D El Kabbaj
Type 1 membranoproliferative glomerulonephritis (MPGN) is an uncommon manifestation of human immunodeficiency virus (HIV)-associated renal disease in patients coinfected with hepatitis C virus. We report a case of MPGN characterized by nephrotic syndrome associated with HIV without hepatitis C coinfection. The patient had a favorable response to highly active antiretroviral therapy and angiotensin-converting enzyme inhibitors. Recognition of the MPGN lesion in HIV infection devoid of hepatitis C coinfection must be considered...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28761228/kidney-disease-in-human-immunodeficiency-virus-seropositive-patients-absence-of-human-immunodeficiency-virus-associated-nephropathy-was-a-characteristic-feature
#15
J Prakash, V Ganiger, S Prakash, M Sivasankar, S Sunder, U Singh
Human immunodeficiency virus (HIV) infection can cause a broad spectrum of renal diseases. However, there is paucity of Indian data on the patterns of renal lesions in HIV-seropositive patients. The aim of the present study was to delineate the spectrum of renal lesions in HIV/acquired immunodeficiency syndrome patients. In this prospective study, all HIV-positive patients of both genders aged >18 years were screened for renal disease. Patients with proteinuria of more than 1 g/24 h were subjected to renal biopsy...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28748900/dense-deposit-disease-in-a-child-with-febrile-sore-throat
#16
Giovanni Conti, Dominique De Vivo, Agata Vitale, Carmelo Fede, Domenico Santoro
Dense deposit disease or membranoproliferative glomerulonephritis type II is a rare glomerulopathy characterized on renal biopsy by deposition of abnormal electron-dense material in the glomerular basement membrane. The pathophysiologic basis is uncontrolled systemic activation of the alternate pathway of the complement cascade. C3 nephritic factor, an autoantibody directed against the C3 convertase of the alternate pathway, plays a key role. In some patients, complement gene mutations have been identified...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28748893/complication-rate-and-diagnostic-yield-of-percutaneous-native-kidney-biopsies-a-10-year-experience-at-a-tertiary-care-hospital-in-pakistan
#17
Sonia Yaqub, Nayla Ahmed, Urooj Fatima, Ayesha Maqbool, Waqar Ashif, Syed A Hussain
The use of an automated biopsy device, and real-time ultrasound for percutaneous kidney biopsies (PKBs) has improved the likelihood of obtaining adequate tissue for diagnosis and also has reduced the complications associated with the procedure. We aimed to determine the frequency and type of complications associated with PKB and to determine the diagnostic yield. It was a retrospective file-based review of cases who underwent PKB of native kidney between January 2003 and December 2013 at the Aga Khan University Hospital in Karachi, Pakistan...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28745692/-changes-in-the-complement-system-in-membranoproliferative-glomerulonephritis
#18
V A Yurova, L A Bobrova, N L Kozlovskaya, Yu V Korotchaeva, A G Serova, L V Kozlov, S S Andina, K A Demyanova, A M Kuchieva, S V Roshchupkina
AIM: To compare the clinical manifestations membranoproliferative glomerulonephritis (MPGN) in its idiopathic variant, lupus nephritis (LN), and C3 glomerulopathy (C3-GP), by comparing them with changes in the complement system. SUBJECTS AND METHODS: The clinic of nephrology followed up 42 patients with different types of MPGN in 2013 to 2015. The study included 35 patients divided into 3 groups: 1) 8 patients with C3-GP, 2) 13 with idiopathic MPGN; 3) 14 with Class IV LN...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28729648/a-haplotype-in-cfh-family-genes-confers-high-risk-of-rare-glomerular-nephropathies
#19
Yin Ding, Weiwei Zhao, Tao Zhang, Hao Qiang, Jianping Lu, Xin Su, Shuzhen Wen, Feng Xu, Mingchao Zhang, Haitao Zhang, Caihong Zeng, Zhihong Liu, Huimei Chen
Despite distinct renal lesions, a series of rare glomerular nephropathies are reportedly mediated by complement overactivation. Genetic variations in complement genes contribute to disease risk, but the relationship of genotype to phenotype has not been straightforward. Here, we screened 11 complement genes from 91 patients with atypical hemolytic uremic syndrome (aHUS), C3 glomerulopathy (C3G) and membranoproliferative glomerulonephritis type I (MPGN I), and identified the concomitant presence of three missense variations located within the human complement Factor H (CFH) gene cluster...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716013/long-term-renal-survival-of-%C3%AE-3-heavy-chain-deposition-disease-a-case-report
#20
Takayuki Katsuno, Shige Mizuno, Masatsuna Mabuchi, Naotake Tsuboi, Atsushi Komatsuda, Shoichi Maruyama
BACKGROUND: Monoclonal immunoglobulin deposition disease (MIDD) is characterized by the non-amyloid deposition of monoclonal immunoglobulin fragments in the basement membranes. Heavy chain deposition disease (HCDD) is a type of MIDD. HCDD is an extremely rare disease, and only three cases have been reported in Japan up to the present. The prognosis of HCDD is very poor, and optimal treatment has not been established. Only a few cases of HCDD with favorable long-term renal prognosis have been reported to date...
July 17, 2017: BMC Nephrology
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