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IgA nephropathy

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https://www.readbyqxmd.com/read/28445873/pregnancy-outcomes-in-patients-with-glomerular-disease-attending-a-single-academic-center-in-north-carolina
#1
Michelle M O'Shaughnessy, Meghan A Jobson, Katy Sims, Abigail L Liberty, Patrick H Nachman, William F Pendergraft
BACKGROUND: Contemporary data regarding pregnancy outcomes in US patients with primary glomerular diseases are lacking. We aimed to report fetal and maternal outcomes among women with biopsy-proven primary glomerular disease who received obstetric care at a single large academic US center. METHODS: All women with a biopsy-confirmed primary glomerular disease diagnosis and without end-stage kidney disease who received obstetric care at the University of North Carolina (UNC) Hospitals (1996-2015) were identified using the Glomerular Disease Collaborative Network registry and the UNC Hospitals Perinatal Database...
April 27, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28445866/association-of-genetic-polymorphisms-in-il-1r1-and-il-1r2-genes-with-iga-nephropathy-in-the-han-chinese-population
#2
Maowei Xie, Daofa Zhang, Yin Zhang, Xiaohong Yang, Yan Su, Yanni Wang, Haiyang Huang, Hui Han, Wenning Li, Keying Fu, Huiluan Su, Wentan Xu, Jiali Wei
AIM: IgA nephropathy (IgAN) is the major cause of end-stage renal disease(ESRD) in Asia and its pathogenesis is influenced by both genetic and environmental factors. Single nucleotide polymorphisms (SNPs) in IL1R1 and IL-1R2 may be associated with susceptibility to IgAN. In this study, we study the association between genetic variants of IL-1R1 and IL-1R2 and IgA nephropathy risk in the Chinese Han population. RESULT: In the allelic model analysis, the rs10490571 and rs3917225 were associated with a 1...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28439112/tubular-atrophy-interstitial-fibrosis-scores-of-oxford-classification-combinded-with-proteinuria-level-at-biopsy-provides-earlier-risk-prediction-in-lga-nephropathy
#3
Xuejing Zhu, Huiqiong Li, Yexin Liu, Jing You, Zhong Qu, Shuguang Yuan, Youming Peng, Fuyou Liu, Hong Liu
The predictive effect of combining MEST with clinical data at biopsy on renal survival outcomes has not been investigated in patients with IgA nephropathy (IgAN). MEST of The Oxford classification of IgAN and 24-hour urine proteinuia measured at enrollment. The primary outcome was a composite of either ESRD (eGFR to <15 ml/min per 1.73 m(2)), or a permanent reduction in eGFR to below 50% of the value at biopsy. 742 patients were enrolled and follow-up >3 years, and were divided into two groups according to eGFR levels at biopsy...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28415636/comparison-of-combined-leflunomide-and-low-dose-corticosteroid-therapy-with-full-dose-corticosteroid-monotherapy-for-progressive-iga-nephropathy
#4
Lulin Min, Qin Wang, Liou Cao, Wenyan Zhou, Jiangzi Yuan, Minfang Zhang, Xiajing Che, Shan Mou, Wei Fang, Leyi Gu, Mingli Zhu, Ling Wang, Zanzhe Yu, Jiaqi Qian, Zhaohui Ni
IgA nephropathy is the most common primary glomerulonephritis and one of the leading causes of end-stage renal disease. We performed a randomized, controlled, prospective, open-label trial to determine whether leflunomide combined with low-dose corticosteroid is safe and effective for the treatment of progressive IgA nephropathy, as compared to full-dose corticosteroid monotherapy. Biopsy-proved primary IgA nephropathy patients with an estimated glomerular filtration rate ≥ 30 ml/min/1.73m2 and proteinuria ≥1...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414748/dividing-ckd-stage-3-into-g3a-and-g3b-could-better-predict-the-prognosis-of-iga-nephropathy
#5
Jun-Jun Zhang, Gui-Zhen Yu, Zhao-Hui Zheng, Ya-Fei Liu, Yang-Yang Du, Song-Xia Quan, Yu-Jie Liu, Ji-Cheng Lv, Hong Zhang
Chronic kidney disease (CKD) stage 3 was divided into stage G3a and stage G3b in the 2013 Kidney Disease Improving Global Outcomes guidelines. Whether it is appropriate to regard 45 mL/min/per 1.73 m2 as the threshold value of G3a/G3b staging and whether dividing CKD stage 3 into G3a/G3b plays a useful role in assessing the prognosis of patients with IgA nephropathy (IgAN) remain unknown. Three hundred and ninety patients from the First Affiliated Hospital of Zhengzhou University and Peking University First Hospital diagnosed with IgAN in CKD stage 3 were enrolled and successfully followed up...
2017: PloS One
https://www.readbyqxmd.com/read/28406696/proteomics-approach-for-identification-of-iga-nephropathy-related-biomarkers-in-urine
#6
P Prikryl, L Vojtova, D Maixnerova, M Vokurka, M Neprasova, T Zima, V Tesar
Proteinuria is often used as a surrogate marker in monitoring and predicting outcome in patients with chronic kidney diseases, but it is non-specific. IgAN belongs to the most common primary glomerulonephritis worldwide with serious prognosis. The main aim of this work was to assess differences in urine proteins in patients with IgA nephropathy and to identify abnormal proteins as potential biomarkers of IgA nephropathy or the renal disease. In our pilot project, we selected 20 patients and compared them with 20 healthy volunteers...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28406083/ambulatory-arterial-stiffness-index-blood-pressure-variability-and-nocturnal-blood-pressure-dip-in-children-with-iga-and-henoch-sch%C3%A3-nlein-nephropathy%C3%A2
#7
Piotr Skrzypczyk, Małgorzata Mizerska-Wasiak, Barbara Jerszow, Paweł Ruszczykowski, Małgorzata Pańczyk-Tomaszewska
AIM: Evaluation of mean blood pressure values, ambulatory arterial stiffness index (AASI), pulse pressure (PP), blood pressure variability (BPV), and circadian blood pressure rhythm using ambulatory blood pressure monitoring (ABPM) in children with IgA nephropathy and Henoch-Schönlein nephropathy (IgAN/HSN). MATERIAL AND METHODS: In 48 children (29 with IgAN, 19 with HSN) aged 14.04 ± 3.76 years, we evaluated retrospectively 24-hour systolic and diastolic BP (24hSBP, 24hDBP), AASI, PP, systolic and diastolic BPV, and nocturnal BP dip by ABPM, body mass index (BMI) Z-score, medications, and biochemical parameters...
April 13, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28405891/renalase-in-children-with-glomerular-kidney-diseases
#8
Piotr Skrzypczyk, Joanna Przychodzień, Małgorzata Mizerska-Wasiak, Elżbieta Kuźma-Mroczkowska, Magdalena Okarska-Napierała, Elżbieta Górska, Anna Stelmaszczyk-Emmel, Urszula Demkow, Małgorzata Pańczyk-Tomaszewska
Studies suggest that renalase, a renal catecholamine-inactivating enzyme, plays a major role in the pathogenesis of kidney and cardiovascular diseases in adults. This study seeks to determine the role of renalase in children with glomerular kidney diseases. We evaluated the serum renalase, arterial stiffness, intima-media thickness, blood pressure, and clinical and biochemical parameters in 78 children (11.9 ± 4.6 years of age) with glomerulopathies such as idiopathic nephrotic syndrome (40 cases), IgA nephropathy (12 cases), Henoch-Schönlein nephropathy (12 cases), and other glomerulopathies (14 cases)...
April 13, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28399021/an-update-on-the-treatment-of-iga-nephropathy
#9
Sean Barbour, John Feehally
PURPOSE OF REVIEW: The treatment of IgA nephropathy (IgAN) has been limited by several controversies in the literature, including the benefits of corticosteroids in addition to optimized renin-angiotensin system blockers (RASBs), in those with lower estimated glomerular filtration rate (eGFR), or in different ethnic groups. Recent studies have attempted to address these issues. RECENT FINDINGS: Two observational studies suggest the efficacy of corticosteroids in those with lower eGFR, but with a higher risk of adverse events...
April 8, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28397878/a-novel-time-resolved-fluoroimmunoassay-for-the-quantitative-detection-of-antibodies-against-the-phospholipase-a2-receptor
#10
Biao Huang, Liang Wang, Yi Zhang, Jue Zhang, Qiuhua Zhang, Hualong Xiao, Bin Zhou, Zhuxing Sun, Ya-Nan Cao, Yu Chen, Zhigang Hu, Huiming Sheng
A highly sensitive time-resolved fluoroimmunoassay (TRFIA) was developed to quantify serum antibodies against the phospholipase A2 receptor (anti-PLA2R-IgG) for differential diagnosis of membranous nephropathy. Recombinant PLA2R (rPLA2R) was coated onto 96-well plates as a capture. A goat-anti-human IgG tracer was prepared with europium-chelate for detection. After bound/free separation by washing, the fluorescence counts of bound tracer were measured for quantifying serum anti-PLA2R-IgG concentration. A purified anti-PLA2R-IgG calibrator was first prepared for ensuring that consistent quantitative results could be obtained...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28397719/toll-like-receptor-4-signaling-pathway-in-the-protective-effect-of-pioglitazone-on-experimental-immunoglobulin-a-nephropathy
#11
Jia-Nan Zou, Jing Xiao, Sha-Sha Hu, Chen-Sheng Fu, Xiao-Li Zhang, Zhen-Xing Zhang, Yi-Jun Lu, Wei-Jun Chen, Zhi-Bin Ye
BACKGROUND: In vitro experiments have revealed that toll-like receptor 4 (TLR4) pathway is involved in the progression of immunoglobulin A nephropathy (IgAN) by induction of proinflammatory cytokines. Evidence showed that, in other disease models, peroxisome proliferator-activated receptor-γ (PPAR-γ) agonists have been shown to exert anti-inflammatory effects through suppression of the expression and activity of TLR4. However, the interaction between PPAR-γ and TLR4 in IgAN has not been fully studied both in vitro and in vivo...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28396738/the-size-of-palatine-tonsils-cannot-be-used-to-decide-the-indication-of-tonsillectomy-for-iga-nephropathy
#12
Mitsuhiro Sato, Mika Adachi, Hideyuki Kosukegawa, Yuri Nomura, Kenichi Watanabe, Toshinobu Sato, Yoshio Taguma
Background. Tonsillectomy is one of the treatment strategies for immunoglobulin A nephropathy (IgAN). The relationship between the indication of tonsillectomy and the size of palatine tonsils (PTs) in patients with IgAN remains controversial. Methods. This retrospective cohort study investigated 57 patients with IgAN who underwent tonsillectomy combined with steroid pulse therapy (SPT). They were classified into two groups, the hypertrophy group and the nonhypertrophy group, according to the weight of their excised PTs...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28395659/abelmoschus-manihot-a-traditional-chinese-medicine-versus-losartan-potassium-for-treating-iga-nephropathy-study-protocol-for-a-randomized-controlled-trial
#13
Ping Li, Yi-Zhi Chen, Hong-Li Lin, Zhao-Hui Ni, Yong-Li Zhan, Rong Wang, Hong-Tao Yang, Jing-Ai Fang, Nian-Song Wang, Wen-Ge Li, Xue-Feng Sun, Xiang-Mei Chen
BACKGROUND: IgA nephropathy (IgAN) is one of the most common primary glomerular diseases worldwide, but effective therapy remains limited and many patients progress to end-stage renal disease (ESRD). Only angiotensin-converting enzyme inhibitors (ACE-I)/angiotensin-receptor blockers (ARB) show a high level of evidence (1B level) of being of value in the treatment for IgAN according to the 2012 Kidney Disease: Improving Global Outcomes (KDIGO) guidelines. However, traditional Chinese medicine has raised attention in kidney disease research...
April 11, 2017: Trials
https://www.readbyqxmd.com/read/28393441/intestinal-alkaline-phosphatase-at-the-crossroad-of-intestinal-health-and-disease-a-putative-role-in-type-1-diabetes
#14
M I Lassenius, C L Fogarty, M Blaut, K Haimila, L Riittinen, A Paju, J Kirveskari, J Järvelä, A J Ahola, D Gordin, M-A Härma, A Kumar, S R Hamarneh, R A Hodin, T Sorsa, T Tervahartiala, S Hörkkö, P J Pussinen, C Forsblom, M Jauhiainen, M-R Taskinen, P-H Groop, M Lehto
BACKGROUND: Patients with type 1 diabetes have shown an increase in circulating cytokines, altered lipoprotein metabolism and signs of vascular dysfunction in response to high-fat meals. Intestinal alkaline phosphatase (IAP) regulates lipid transport and inflammatory responses in the gastrointestinal tract. We therefore hypothesized that changes in IAP activity could have profound effects on gut metabolic homeostasis in patients with type 1 diabetes. METHODS: Faecal samples of 41 nondiabetic controls and 46 patients with type 1 diabetes were analysed for IAP activity, calprotectin, immunoglobulins and short-chain fatty acids (SCFAs)...
April 10, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28392505/early-diagnosis-of-tuberculosis-associated-iga-nephropathy-with-esat-6
#15
Nan Zhao, Jing-Yi Sun, Hai-Ping Xu, Fu-Yun Sun
IgA nephropathy (IgAN) is the most common cause of primary renal diseases worldwide, and the early secreted antigenic target of 6 (ESAT-6) which was secreted by Mycobacterium tuberculosis (MTB) may be involved in the development and progression of IgAN. This study aimed to investigate the role of ESAT-6 for early diagnosis of IgAN caused by MTB infection. From 2011 to 2014, 21 patients with renal tuberculosis (RTB), 25 with IgAN, and 46 with IgAN infected with MTB (IgAN/MTB) were enrolled. Serum levels of antibodies against Mycobacterium tuberculosis antigen 85A (Ag85A) were measured by ELISA...
April 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28391341/is-there-a-role-for-immunosuppression-in-immunoglobulin-a-nephropathy
#16
Ali I Al-Lawati, Heather N Reich
The most common primary glomerular disease globally is IgA nephropathy (IgAN). It is often a slowly progressive disease, and ∼40% of patients will progress to kidney failure. Due to a lack of large clinical trial networks and a lack of surrogate markers of treatment efficacy, there are relatively few large multicenter clinical trials in IgAN. Given that both the pathogenesis and progression of IgAN are linked to defects in mucosal immune regulation and inflammation, use of immunosuppression to prevent kidney failure is well founded...
January 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28391340/targeting-the-tyrosine-kinase-signalling-pathways-for-treatment-of-immune-mediated-glomerulonephritis-from-bench-to-bedside-and-beyond
#17
Terry King-Wing Ma, Stephen P McAdoo, Frederick Wai Keung Tam
Glomerulonephritis (GN) affects patients of all ages and is an important cause of morbidity and mortality. Non-selective immunosuppressive drugs have been used in immune-mediated GN but often result in systemic side effects and occasionally fatal infective complications. There is increasing evidence from both preclinical and clinical studies that abnormal activation of receptor and non-receptor tyrosine kinase signalling pathways are implicated in the pathogenesis of immune-mediated GN. Activation of spleen tyrosine kinase (SYK), Bruton's tyrosine kinase (BTK), platelet-derived growth factor receptor (PDGFR), epidermal growth factor receptor (EGFR) and discoidin domain receptor 1 (DDR1) have been demonstrated in anti-GBM disease...
January 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28391339/mycophenolate-mofetil-therapy-in-immunoglobulin-a-nephropathy-histological-changes-after-treatment
#18
Hannah Beckwith, Nick Medjeral-Thomas, Jack Galliford, Megan Griffith, Jeremy Levy, Liz Lightstone, Andrew Palmer, Candice Roufosse, Charles Pusey, H Terence Cook, Tom Cairns
Background: Endocapillary hypercellularity independently predicts renal outcome in immunoglobulin A nephropathy (IgAN). Mycophenolate mofetil (MMF) treatment is offered to patients presenting to the Imperial College Renal and Transplant Centre with IgAN and histological evidence of endocapillary hypercellularity. Clinical trials of MMF in IgAN have been inconclusive and have been limited by a lack of specific histological inclusion and exclusion criteria when recruiting patients. Evidence of histological improvement following MMF treatment would support its therapeutic use...
January 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28391282/association-between-ifn-%C3%AE-gene-polymorphisms-and-iga-nephropathy-in-a-chinese-han-population
#19
Jie Gao, Linting Wei, Xinghan Liu, Li Wang, Dan Niu, Tianbo Jin, Ganglian Yao, Meng Wang, Qiaoling Yu, Rongguo Fu
BACKGROUND/AIMS: IFN-γ was reported to be involved in the development and progression of Immunoglobulin A nephropathy (IgAN), however, few studies have investigated the association between IFN-γ polymorphisms and IgAN. Therefore, we performed a case-control study to assess the association between IFN-γ polymorphisms and the risk of IgAN. METHODS: Sequenom MassARRAY was used to genotype two SNPs (rs1861494 and rs2430561) in 351 patients with IgAN and 310 healthy controls...
April 7, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28389814/effect-of-tonsillectomy-with-steroid-pulse-therapy-on-circulating-tumor-necrosis-factor-receptors-1-and-2-in-iga-nephropathy
#20
Maki Murakoshi, Tomohito Gohda, Yuji Sonoda, Hitoshi Suzuki, Yasuhiko Tomino, Satoshi Horikoshi, Yusuke Suzuki
BACKGROUND: High circulating levels of soluble tumor necrosis factor receptors (TNFRs: TNFR1, TNFR2) predict renal function decline in a variety of kidney diseases. Tonsillectomy with steroid pulse (TSP) therapy has been reported as a remission induction therapy in IgA nephropathy (IgAN), mainly in Japan. However, little is known about whether TNFR levels change after TSP therapy in patients with IgAN. METHODS: Two hundred twenty-three patients with IgAN were stratified according to the estimated glomerular filtration rate (eGFR): Group I (eGFR ≥ 60 mL/min/1...
April 7, 2017: Clinical and Experimental Nephrology
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