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IgA glomerulonephritis

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https://www.readbyqxmd.com/read/30022351/elevated-numbers-of-circulating-very-small-embryonic-like-stem-cells-vsels-and-intermediate-cd14-cd16-monocytes-in-iga-nephropathy
#1
REVIEW
Andrzej Eljaszewicz, Katarzyna Kleina, Kamil Grubczak, Urszula Radzikowska, Paula Zembko, Paulina Kaczmarczyk, Marlena Tynecka, Karolina Dworzanczyk, Beata Naumnik, Marcin Moniuszko
IgA nephropathy (IgAN) is recognized as most frequent form of primary glomerulonephritis worldwide. IgAN is associated with renal degradation occurring due to irreversible pathological changes leading to glomerulosclerosis and interstitial fibrosis. It remains poorly understood whether and to what extent these changes are followed by the activation of regenerative mechanisms. Therefore, in this study we aimed to evaluate regenerative potential of IgAN patients by quantitating the frequencies of several stem cell types, namely circulating very small embryonic-like stem cells (VSELs), hematopoietic stem cells (HSCs), endothelial progenitor cells (EPCs) as well as different monocyte subsets with varying maturation and angiopoietic potential...
July 19, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/30014486/characteristic-morphological-changes-in-anti-vegf-therapy-induced-glomerular-microangiopathy
#2
Frederick Pfister, Kerstin Amann, Christoph Daniel, Monika Klewer, Anke Büttner, Maike Büttner-Herold
BACKGROUND: Thrombotic microangiopathy (TMA) is a microvascular pathology caused by several drugs used in cancer therapy. Agents targeting vascular endothelial growth factor (VEGF) have increasingly been used in therapy of advanced malignancies and have been found to induce renal TMA and proteinuria. However, histomorphological changes in human biopsies in this setting and the underlying mechanism are not yet fully understood. METHODS: Renal biopsies of 15 patients with anti-VEGF therapy (aVEGF) evaluated between 2013 and 2017 at a single centre were morphologically characterized using light microscopy, electron microscopy and immunohistochemistry (IgA, IgG, IgM, C1q, C3) and compared to cases with acute TMA caused by atypical haemolytic uramic syndrome or hypertension...
July 17, 2018: Histopathology
https://www.readbyqxmd.com/read/30008750/atypical-presentation-of-iga-nephropathy-mimicking-acute-pyelonephritis
#3
Stamatis Karakonstantis, Despoina Galani, Dafni Korela, Sofia Pitsigavdaki, Ifigeneia Kassotaki, Despoina Arna, Dimitrios Xydakis
Background: IgA glomerulonephritis may present with hematuria, flank pain, and fever. This clinical presentation may be easily confused with acute pyelonephritis. Case Report: We present the case of a 25-year-old female with a typical clinical presentation for acute pyelonephritis (high fever, left flank pain, left costovertebral angle tenderness, hematuria, elevated inflammatory markers, and a hypoenhancing region in the left kidney on contrast-enhanced computed tomography)...
2018: Case Reports in Medicine
https://www.readbyqxmd.com/read/29988921/bortezomib-for-reduction-of-proteinuria-in-iga-nephropathy
#4
Choli Hartono, Miriam Chung, Alan S Perlman, James M Chevalier, David Serur, Surya V Seshan, Thangamani Muthukumar
Introduction: IgA nephropathy is the most common glomerulonephritis in the world. We conducted a pilot trial (NCT01103778) to test the effect of bortezomib in patients with IgA nephropathy and significant proteinuria. Methods: We treated 8 consecutive subjects from July 2011 until March 2016 with 4 doses of bortezomib. All subjects had biopsy-proven IgA nephropathy and proteinuria of greater than 1 g per day. They were given 4 doses of bortezomib i.v. at 1.3 mg/m2 of body surface area per dose...
July 2018: KI Reports
https://www.readbyqxmd.com/read/29987860/renal-expression-of-trefoil-factor-3-mrna-in-association-with-tubulointerstitial-fibrosis-in-iga-nephropathy
#5
Keiko Tanaka, Hitoshi Sugiyama, Toshio Yamanari, Koki Mise, Hiroshi Morinaga, Masashi Kitagawa, Akifumi Onishi, Ayu Ogawa-Akiyama, Katsuyuki Tanabe, Jun Eguchi, Yasukazu Ohmoto, Kenichi Shikata, Jun Wada
AIM: Trefoil factor 3 (TFF3) is a small peptide that is involved in mucosal protection. TFF3 is widely expressed in multiple tissues including kidney tissue. Previous studies have reported that the levels of urinary TFF3 are significantly increased in patients with chronic kidney disease. The aim of this study is to detect the TFF3 mRNA in kidney and elucidate the relationship between renal TFF3 mRNA and tubulointerstitial fibrosis in IgA nephropathy (IgAN). METHODS: We investigated the renal mRNA expression of TFF3 by real time PCR analysis in biopsy specimens from patients with IgAN, other glomerulonephritis (OGN), and minor glomerular abnormalities (MGA)...
July 10, 2018: Nephrology
https://www.readbyqxmd.com/read/29975121/should-we-really-stop-treating-patients-with-iga-nephropathy-with-steroids
#6
F Locatelli, L Del Vecchio, C Ponticelli
IgA nephropathy (IgAN) is the most common primary glomerulonephritis all over the world. Once considered as a benign disease, today the scientific community is aware that a significant percentage of patients eventually progress to end-stage kidney disease (ESKD). The rate of progression is often very slow. Since 1980s, several therapeutic attempts have been made with steroids. Despite different molecules, doses, and lengths of treatment, the majority of uncontrolled and controlled studies found benefits in terms of proteinuria reduction and reduction of the risk of ESKD...
June 1, 2018: Physiology International
https://www.readbyqxmd.com/read/29973143/spontaneous-remission-of-adult-onset-minimal-change-nephrotic-syndrome-associated-with-influenza-b-infection-a-case-report
#7
Ayumi Haruki, Eiji Ishikawa, Kan Katayama, Takayasu Ito, Takuya Hiramoto, Mika Fujimoto, Tomohiro Murata, Masaaki Ito
BACKGROUND: While the majority of adult-onset minimal change nephrotic syndrome (MCNS) is a primary or an idiopathic form of disease, it can also occur as a secondary form. Reports on the spontaneous remission of MCNS are rare since the condition is typically treated with corticosteroids. We herein describe the spontaneous remission of adult-onset MCNS in a patient who developed nephrotic syndrome after type B influenza infection. CASE PRESENTATION: A 50-year-old woman experienced fever, cough, malaise, and low back pain, which had persisted for 6 days before she presented to our hospital, and edema of the face and limbs, which had persisted for 5 days before her presentation...
July 4, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29970744/a-six-year-survey-of-the-spectrum-of-renal-disorders-on-native-kidney-biopsy-results-in-central-iran-and-a-review-of-literature
#8
Parnaz Daneshpajouhnejad, Erfan Behzadi, Sanaz Amoushahi, Ahmadreza Aghabozorgi, Aida Farmani, Sayed-Mohsen Hosseini, Diana Taheri
Native kidney biopsy reports in previous studies that are mostly originated in Western countries show various results in different parts of the world. In this study, we aimed to determine the prevalence of renal biopsy disorders in Iran and compare it with that of other studies in the world. This cross-sectional study evaluated consecutive native kidney biopsies performed in four centers in Isfahan, Iran, from 2009 to 2014. We also reviewed other relevant studies in Iran and the world. Overall, 1547 renal biopsies were reviewed; 493 cases were excluded (transplant or re-biopsy cases) and 1054 cases (43...
May 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29968413/recurrence-of-native-kidney-disease-after-kidney-transplantation
#9
REVIEW
Izumi Yamamoto, Takafumi Yamakawa, Ai Katsuma, Mayuko Kawabe, Haruki Katsumata, Aki Mafune Hamada, Yasuyuki Nakada, Akimitsu Kobayashi, Hiroyasu Yamamoto, Takashi Yokoo
The extent of recurrence of original kidney disease after kidney transplantation has been underestimated for several reasons. First, the duration of observation varies among studies. Second, the criteria used to schedule protocol and episode biopsies differ among institutions. And third, diagnostic modalities used for early detection of recurrent original kidney disease also vary. Thus, rates of graft loss attributable to a recurrence of original kidney disease vary among institutions and are often underestimated...
July 2018: Nephrology
https://www.readbyqxmd.com/read/29946875/-pathophysiology-and-treatment-of-iga-nephropathy
#10
REVIEW
R Bollin, H Haller
The IgA nephropathy is the most frequent form of glomerulonephritis worldwide. In approximately 30% of patients a reduction in the glomerular filtration rate of approximately 50% is observed within 10 years. Patients with IgA nephropathy form IgG autoantibodies against galactose-deficient IgA1 antibodies. This results in deposition of these antibodies in the mesangium and activation of complement with mesangial hypercellularity, endocapillary hypercellularity, segmental glomerulosclerosis and atrophying interstitial fibrosis...
July 2018: Der Internist
https://www.readbyqxmd.com/read/29946864/key-role-of-renal-biopsy-in-management-of-progressive-chronic-kidney-disease-in-liver-graft-recipients
#11
Martin-Walter Welker, Nina Weiler, Wolf Otto Bechstein, Eva Herrmann, Christoph Betz, Mark Schöffauer, Stefan Zeuzem, Christoph Sarrazin, Kerstin Amann, Oliver Jung
AIMS: Chronic kidney disease (CKD) is a common complication after liver transplantation (LT). The etiology of CKD is broad and may only be assessed accurately by renal histology. The current study aimed to analyze the safety of renal biopsy in daily clinical practice as well as its usefulness regarding management of CKD after LT. METHODS: We performed a retrospective analysis of clinical data and renal biopsies obtained from patients with severe renal impairment (overt proteinuria, progressive deterioration of renal function) after LT with respect to safety, etiology of renal disease, and therapeutic consequences...
June 26, 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29942535/iga-nephropathy-in-african-americans-uncommon-but-possible
#12
Abhilash Koratala, William L Clapp, Don H Esprit, Jogiraju Tantravahi
Though IgA nephropathy is relatively uncommon in African Americans, our case serves as a reminder that it needs to be considered in the differentials when these patients present with proliferative glomerulonephritis.
June 2018: JRSM Open
https://www.readbyqxmd.com/read/29925312/a-pilot-and-comparative-study-between-pathological-and-serological-levels-of-immunoglobulin-and-complement-among-three-kinds-of-primary-glomerulonephritis
#13
Jin Dong, Tianhao Peng, Jing Gao, Xingwang Jia, Guangtao Yan, Yong Wang
BACKGROUND: Immunoglobulin A nephropathy (IgAN), membranous nephropathy (MN) and minimal-change disease (MCD) are three common types of glomerulonephritis in China. Pathological diagnosis based on renal biopsy is the criterion and the golden standard for diagnosing the sub-types of primary or secondary glomerulonephritis. Immunoglobulin and complements might be used in the differential diagnosis of glomerulonephritis without renal biopsies. However, the relationship between IF intensities of immune proteins and the corresponding serum levels remained unclear, and seldom studies combine histopathological examination results and blood tests together for a predictive purpose...
June 20, 2018: BMC Immunology
https://www.readbyqxmd.com/read/29900000/staphylococcus-associated-glomerulonephritis-mimicking-henoch-sch%C3%A3-nlein-purpura-and-cryoglobulinemic-vasculitis-in-a-patient-with-an-epidural-abscess-a-case-report-and-brief-review-of-the-literature
#14
Tahrin Mahmood, Robert Puckrin, Linda Sugar, David Naimark
Rationale: Staphylococcus-associated glomerulonephritis (SAGN) is a rare immune complex-mediated glomerulonephritis associated with active Staphylococcus infection. We report a case illustrating the importance of clinical history and kidney biopsy findings in establishing the correct diagnosis. Presenting concerns of the patient: We report the case of a 64-year-old man with alcohol-associated cirrhosis, type 2 diabetes mellitus, and hypertension who presented to hospital with lower back and abdominal pain, rectal bleeding, a purpuric lower extremity rash, and oliguric acute kidney injury with microscopic hematuria and nephrotic-range proteinuria...
2018: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29899355/long-term-outcomes-of-kidney-transplant-recipients-with-end-stage-kidney-disease-attributed-to-presumed-advanced-glomerulonephritis-or-unknown-cause
#15
Wai H Lim, Germaine Wong, Stephen P McDonald, Aron Chakera, Grant Luxton, Nicole M Isbel, Helen L Pilmore, Tom Barbour, Peter Hughes, Steven J Chadban
People with biopsy-proven glomerulonephritis (GN) as their cause of end-stage kidney disease (ESKD) who undergo kidney transplantation incur significant risk of recurrent GN-related graft failure, but the risk in recipients with ESKD where GN was suspected but not biopsy proven (presumed/advanced GN) and when the cause of ESKD is unknown remains uncertain. Using the Australia and New Zealand Dialysis and Transplant registry, we examined the associations between primary kidney transplant recipients whose ESKD was attributed to: 1) commonly-recurring GN (i...
June 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29877285/successful-treatment-of-iga-vasculitis-complicated-with-bowel-perforation-and-crescentic-glomerulonephritis-by-combination-therapy-of-glucocorticoid-cyclosporine-and-factor-xiii-replacement
#16
Keiko Koshiba, Sei Muraoka, Toshihiro Nanki, Satoru Komatsumoto
We report the findings of an 18-year-old boy with immunoglobulin A vasculitis (IgAV) complicated with bowel perforation and nephritis. He presented with abdominal pain, arthralgia and palpable purpura. Massive proteinuria developed during his clinical course. The patient was treated successfully using combination therapy of glucocorticoid (GC), cyclosporine (CYA) and factor XIII (F XIII) replacement. A standard treatment strategy for severe IgAV patients has not been established due to its rarity. Combination therapy using GC, CYA and F XIII replacement should be considered for severe IgAV patients...
June 6, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29865923/tuberculosis-associated-iga-nephropathy
#17
Yamei Wang, Yuhong Tao
Immunoglobulin A nephropathy (IgAN) is the most frequent pathological diagnosis of tuberculosis (TB)-associated glomerulonephritis. Diagnosing TB-associated IgAN (TB-IgAN) is difficult because of its non-specific and insidious symptoms. An inaccurate diagnosis of TB-IgAN could result in the spread of TB and reduced renal function. Haematuria and proteinuria in conjunction with TB should be assessed because of the potential for diagnosis of IgAN. Renal biopsy is important in securing an accurate diagnosis prior to initiating treatment...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29852501/immunoglobulin-a-nephropathy-advances-in-understanding-of-pathogenesis-and-treatment
#18
Richard A Lafayette, Ellie Kelepouris
BACKGROUND: Immunoglobulin A (IgA) nephropathy is the most common form of primary glomerulonephritis and has clinical associations with a wide range of inflammatory and infectious diseases. There is a substantial variation in clinical course and outcomes, with many patients not diagnosed until they present with sequelae, which may include gross hematuria, hypertension, renal insufficiency, and/or significant proteinuria. Treatment options are currently limited and directed mainly toward control of these sequelae and have limited ability to reduce the incidence of end-stage renal disease or treat the primary IgA defect...
2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29848418/histopathological-spectrum-and-short-term-outcome-of-treatment-with-cyclophosphamide-in-relapsing-steroid-sensitive-nephrotic-syndrome
#19
Irshad Ali Bajeer, Sabeeta Khatri, Veena Tresa, Seema Hashmi, Mohammed Mubarak, Ali Asghar Lanewala
OBJECTIVE: To determine the short-term outcome of cyclophosphamide (CPO) course in children with relapsing steroid sensitive nephrotic syndrome (SSNS) with different histopathological lesions. STUDY DESIGN: Descriptive, observational study. PLACE AND DURATION OF STUDY: Pediatric Nephrology Department, Sindh Institute of Urology and Transplantation, Karachi, from January 2012 to December 2014. METHODOLOGY: All children with relapsing steroid-sensitive nephrotic syndrome, who underwent renal biopsy and received cyclophosphamide therapy, were included and followed up for 2 years...
June 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29809306/iga-dominant-extracapillary-proliferative-glomerulonephritis-following-escherichia-coli-sepsis-in-a-renal-transplant-recipient
#20
Nikolina Basic-Jukic, Marijana Coric, Zeljko Kastelan
Postinfectious glomerulonephritis (PIGN) generally occurs in association with staphylococcal infection. We present the first reported case of IgA-dominant PIGN after Escherichia coli infection in a renal-transplant recipient. A 65-year-old patient with stable allograft function and E. coli urosepsis was treated with ciprofloxacin for 2 weeks with excellent response. One week later he developed proteinuria 16 g/day. Renal biopsy finding revealed IgA-dominant PIGN. He received steroid pulses and intravenous imunoglobulins without effect and had started with hemodialysis...
May 29, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
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