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IgA glomerulonephritis

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https://www.readbyqxmd.com/read/30433819/urine-afamin-and-afamin-creatinine-ratio-as-biomarkers-for-kidney-injury
#1
Lu Pang, Nan Duan, Dong Xu, Lili Jiao, Chenwei Huang, Jialin Du, Qi Guo, Haixia Li
AIM: The aim of this study was to evaluate the urine afamin (uAFM) and afamin-creatinine ratio (AfCR) levels in patients with glomerulonephritis. PATIENTS & METHODS: We determined uAFM and AfCR of 247 healthy volunteers and 129 biopsy-proven glomerulonephritis patients. RESULTS: Analytical evaluation study revealed the assay is a reliable and robust test for measuring uAFM. For reference intervals, uAFM and AfCR values were different significantly between males and females...
November 15, 2018: Biomarkers in Medicine
https://www.readbyqxmd.com/read/30409112/nephrotic-syndrome-associated-with-kimura-s-disease-a-case-report-and-literature-review
#2
Song Ren, Xin Yi Li, Fang Wang, Ping Zhang, Yuan Zhang, Gui Sen Li, Li Wang, Xiang Zhong
BACKGROUND: Kimura's disease (KD) is a rare chronic inflammatory disorder with a high incidence of renal involvement. In this report, we present a case study of KD-associated nephrotic syndrome combined with minimal change disease (MCD) and acute renal tubular injury. Meanwhile, the clinical and histopathological characteristics of 26 patients with KD presenting with renal involvement were retrospectively evaluated. CASE PRESENTATION: Here, we report a case study of a 59-year-old male patient with KD confirmed by a lymph node biopsy...
November 8, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/30406499/t-cells-in-iga-nephropathy-role-in-pathogenesis-clinical-significance-and-potential-therapeutic-target
#3
Jakub Ruszkowski, Katarzyna A Lisowska, Małgorzata Pindel, Zbigniew Heleniak, Alicja Dębska-Ślizień, Jacek M Witkowski
BACKGROUND: Immunoglobulin A nephropathy (IgAN), the most frequent cause of primary glomerulonephritis worldwide, is an autoimmune disease with complex pathogenesis. In this review, we focus on T cells and summarize knowledge about their involvement in pathophysiology and treatment of IgAN METHODS: We reviewed the literature for (1) alterations of T cell subpopulations in IgAN, (2) experimental and clinical proofs for T cells' participation in IgAN pathogenesis, (3) clinical correlations with T cell-associated alterations, and (4) influence of drugs used in IgAN therapy on T cell subpopulations...
November 7, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/30405912/glomerulonephritis-pattern-at-a-jordanian-tertiary-care-center
#4
Randa I Farah
Aim: To determine the prevalence and frequency of different pathological patterns of glomerulonephritis (GN) in adolescent (age ≥ 11 years) and adult Jordanian patients. Materials and Methods: A retrospective analysis of all clinical and pathological reports of Jordanian patients who had native renal biopsies at the University of Jordan hospital between January 2007 and March 2018 to assess the prevalence and pathological pattern of GN. The data were analyzed statistically using descriptive statistics, the chi-squared test, and Fisher's exact tests...
2018: International Journal of Nephrology
https://www.readbyqxmd.com/read/30385082/the-landscape-and-diagnostic-potential-of-t-and-b-cell-repertoire-in-immunoglobulin-a-nephropathy
#5
Chen Huang, Xuemei Li, Jinghua Wu, Wei Zhang, Shiren Sun, Liya Lin, Xie Wang, Hongmei Li, Xiaolei Wu, Peng Zhang, Guoshuang Xu, Hanmin Wang, Hongbao Liu, Yuzhen Liu, Dapeng Chen, Li Zhuo, Wenge Li, Huanming Yang, Jian Wang, Ling Wang, Xiao Liu
Immunoglobulin A Nephropathy (IgAN) is the most common glomerulonephritis worldwide. The pathologic hallmark of IgAN is immune complex deposited in glomerular mesangium, which induces inflammation and affects the kidney's normal functions. The exact pathogenesis of IgAN, however, remains obscure. Further, in current clinical practice, the diagnosis relies on needle biopsy of renal tissue. Therefore, a non-invasive method for diagnosis and prognosis surveillance of the disease is highly desirable. To this end, we investigated the T cell receptor beta chain (TCRB) and immunoglobulin heavy chain (IGH) repertoire in circulating lymphocytes and compared them with kidney infiltrating lymphocytes using immune repertoire high throughput sequencing...
October 29, 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/30381518/pattern-of-glomerulonephritis-in-the-kashmir-valley
#6
Abdul Majeed Chowdry, Mohd Ashraf Bhat, Mohd Saleem Najar, Ankush Sharma, Hilal Azad, Intikhab Mir
Glomerulonephritis (GN) is a common cause of end-stage kidney disease (ESKD) that can affect patients at any age. With respect to ESKD, there are significant global variations in the percentage of the incident and prevalent patients secondary to GN. The present study was therefore conducted to know the pattern of GN in the Kashmir valley. Retrospective study was conducted in the tertiary center Sher-I-Kashmir Institute of Medical Sciences of Kashmir valley which included cases of different types of GN diagnosed on histopathology over a period of three years...
September 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/30364076/a-case-of-hepatic-glomerulosclerosis-with-monoclonal-iga1-%C3%AE%C2%BA-deposits
#7
Yusuke Okabayashi, Nobuo Tsuboi, Naoko Nakaosa, Kotaro Haruhara, Go Kanzaki, Kentaro Koike, Akihiro Shimizu, Akira Fukui, Hideo Okonogi, Yoichi Miyazaki, Tetsuya Kawamura, Makoto Ogura, Akira Shimizu, Takashi Yokoo
Glomerular immunoglobulin A (IgA) deposition is a common finding in hepatic glomerulosclerosis; thus, this disease is also called hepatic IgA nephropathy. However, only a small number of patients with hepatic IgA nephropathy have active glomerular lesions, so functional decline is slow in most cases. In this report, we describe a 60-year-old man who developed nephrotic syndrome and progressive renal impairment during follow-up for alcoholic liver cirrhosis. A renal biopsy showed a membranoproliferative glomerulonephritis-like pattern; diffuse double-contours of the glomerular basement membrane and focal active glomerular lesions with moderate-to-severe endocapillary proliferation and fibrocellular crescents...
2018: Case Reports in Nephrology
https://www.readbyqxmd.com/read/30359254/genomic-approaches-in-the-search-for-molecular-biomarkers-in-chronic-kidney-disease
#8
REVIEW
M Cañadas-Garre, K Anderson, J McGoldrick, A P Maxwell, A J McKnight
BACKGROUND: Chronic kidney disease (CKD) is recognised as a global public health problem, more prevalent in older persons and associated with multiple co-morbidities. Diabetes mellitus and hypertension are common aetiologies for CKD, but IgA glomerulonephritis, membranous glomerulonephritis, lupus nephritis and autosomal dominant polycystic kidney disease are also common causes of CKD. MAIN BODY: Conventional biomarkers for CKD involving the use of estimated glomerular filtration rate (eGFR) derived from four variables (serum creatinine, age, gender and ethnicity) are recommended by clinical guidelines for the evaluation, classification, and stratification of CKD...
October 25, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/30350525/patterns-of-renal-involvement-in-a-cohort-of-patients-with-inflammatory-bowel-disease-in-egypt
#9
M M A Elaziz, A Fayed
BACKGROUND AND STUDY AIM: Renal complications are frequent extraintestinal manifestations in inflammatory bowel disease (IBD). We aimed in our study to describe the spectrum of renal affection in our IBD patients. PATIENTS AND METHODS: This study is a retrospective analysis of renal biopsies done for IBD patients who developed renal diseases, at Cairo University Hospital, from June 2005 to Jan. 2016. Results : Among 896 IBD patients, 218 patients (24.3%) developed renal affection...
July 2018: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/30345379/protocol-and-rationale-for-the-first-south-asian-5-year-prospective-longitudinal-observational-cohort-study-and-biomarker-evaluation-investigating-the-clinical-course-and-risk-profile-of-iga-nephropathy-grace-igani-cohort
#10
Suceena Alexander, George T John, Anila Korula, T S Vijayakumar, Vinoi George David, Anjali Mohapatra, Anna T Valson, Shibu Jacob, Pradeep Mathew Koshy, Gautam Rajan, Elenjickal Elias John, Smita Mary Matthai, L Jeyaseelan, Babu Ponnusamy, Terence Cook, Charles Pusey, Mohamed R Daha, John Feehally, Jonathan Barratt, Santosh Varughese
Background: IgA nephropathy (IgAN) is the most common primary glomerulonephritis and an important cause of end-stage kidney disease. Unlike the slowly progressive course seen among Caucasian and East Asian subjects (actuarial survival 80-85% over 10 years), in India about 30-40% of patients have nephrotic syndrome and renal dysfunction at presentation and a 10-year renal survival of 35%, as reported from a retrospective registry. These observations cannot be entirely attributed to a lack of uniform screening protocols or late referral and attest to the probability that IgAN may not be the same disease in different parts of the world...
2018: Wellcome Open Research
https://www.readbyqxmd.com/read/30316370/higher-incidence-of-renal-allograft-glomerulonephritis-in-living-related-donor-kidney-transplantation
#11
R Deng, Y Dai, H Zhang, L Liu, J Li, Y Xiong, S Deng, Q Fu, C Wang
Glomerulonephritis recurrence has emerged as one of the leading causes of allograft loss. We aimed to investigate the effect of living-related and deceased donation on the incidence of renal allograft glomerulonephritis and its effect on renal allograft survival. METHODS: Adult renal allograft recipients with primary glomerulonephritis were enrolled. Transplantation date was from Feb 2004 to Dec 2015. Exclusion criteria included combined organ transplantation, structural abnormality, diabetic nephropathy, hypertension nephropathy, obstructive nephropathy, and primary uric acid nephropathy...
October 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/30300608/detection-and-identification-of-potential-transglutaminase-2-substrates-in-the-mouse-renal-glomeruli
#12
Yoshimasa Ito, Hideki Tatsukawa, Hisateru Yamaguchi, Kazuo Takahashi, Kiyotaka Hitomi, Yukio Yuzawa
The glomerulus primarily comprises mesangial cells, glomerular microvascular endothelial cells, and podocytes. IgA nephropathy is the most common primary glomerulonephritis worldwide and has a risk of progression to end-stage renal disease. IgA nephropathy is characterized by predominant IgA deposition in the glomerular mesangial area, where TG2 is significantly enhanced. Therefore, identification of glomerular TG2 substrates is the first step in elucidating the role of TG2 as a crosslinking enzyme during disease progression...
October 6, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/30298665/genetic-study-of-immunoglobulin-a-nephropathy-from-research-to-clinical-application
#13
REVIEW
Ming Li, Xueqing Yu
Immunoglobulin A nephropathy (IgAN) is one of the most common primary glomerulonephritis throughout the world and a major cause of end-stage renal disease among East Asian population. It is widely considered that genetic factors play an important role in the pathogenesis of IgAN. The genetic studies of IgAN, is from the association studies of candidate genes and family-based designs, to the genome-wide association studies. Altogether there are five large genome-wide association studies performed, which have identified multiple susceptibility loci for IgAN, including several novel loci found in Chinese population...
October 2018: Nephrology
https://www.readbyqxmd.com/read/30298661/update-on-treatment-of-immunoglobulin-a-nephropathy
#14
REVIEW
Yue-Miao Zhang, Hong Zhang
Immunoglobulin A nephropathy (IgAN) is the most common form of primary glomerulonephritis worldwide and the most common cause of end-stage renal disease in young adults. However, there are still no specific therapies capable of targeting key pathways involved in disease pathogenesis. Recently, many large randomized controlled trials have been reported, such as Supportive Versus Immunosuppressive Therapy for the Treatment of Progressive IgA Nephropathy, Targeted-release Budesonide Versus Placebo in Patients with IgA Nephropathy and Therapeutic Evaluation of Steroids in IgA Nephropathy Global, which are considered to update the 2012 Kidney Disease: Improving Global Outcomes Guideline...
October 2018: Nephrology
https://www.readbyqxmd.com/read/30284023/lisinopril-versus-lisinopril-and-losartan-for-mild-childhood-iga-nephropathy-a-randomized-controlled-trial-jskdc01-study
#15
Yuko Shima, Koichi Nakanishi, Mayumi Sako, Mari Saito-Oba, Yuko Hamasaki, Hiroshi Hataya, Masataka Honda, Koichi Kamei, Kenji Ishikura, Shuichi Ito, Hiroshi Kaito, Ryojiro Tanaka, Kandai Nozu, Hidefumi Nakamura, Yasuo Ohashi, Kazumoto Iijima, Norishige Yoshikawa
BACKGROUND: Persistent proteinuria seems to be a risk factor for progression of renal disease. Its reduction by angiotensin-converting inhibitors (ACEIs) or angiotensin II receptor blockers (ARBs) is renoprotective. Our previous pilot study showed that 2-year lisinopril therapy is effective and safe for children with mild IgA nephropathy. When combined with ACEI and ARB, reported results are of greater decrease in proteinuria than monotherapy in chronic glomerulonephritis, including IgA nephropathy...
October 3, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/30282668/management-of-antiphospholipid-syndrome
#16
Imad Uthman, Mohammad Hassan A Noureldine, Guillermo Ruiz-Irastorza, Munther Khamashta
Antiphospholipid syndrome, also known as 'Hughes Syndrome', is an autoimmune disease characterised by a set of clinical manifestations, almost all of which are direct or indirect sequelae of a hypercoagulable state involving the venous, and to a lesser extent the arterial vasculature. The incidence and prevalence of antiphospholipid syndrome are estimated at approximately 5 de novo cases per 100 000 per year and 40-50 cases per 100 000 individuals, respectively. The clinical spectrum of antiphospholipid syndrome involves haematological (thrombocytopaenia, venous thrombosis), obstetrical (recurrent pregnancy loss), neurological (stroke, transient ischaemic attack, migraine, seizures, cognitive dysfunction, chorea, transverse myelitis, multiple sclerosis), cardiovascular (cardiac valve disease), dermatological (livedo reticularis and racemosa, skin ulceration and necrosis), renal (glomerulonephritis, renal thrombotic microangiopathy) and orthopaedic (avascular necrosis of bones, non-traumatic fractures) manifestations, among others...
October 3, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/30208881/a-large-international-study-on-post-transplant-glomerular-diseases-the-tango-project
#17
Audrey Uffing, Maria José Pérez-Sáez, Gaetano La Manna, Giorgia Comai, Clara Fischman, Samira Farouk, Roberto Ceratti Manfro, Andrea Carla Bauer, Bruno Lichtenfels, Juliana B Mansur, Hélio Tedesco-Silva, Gianna M Kirsztajn, Anna Manonelles, Oriol Bestard, Miguel Carlos Riella, Silvia Regina Hokazono, Carlos Arias-Cabrales, Elias David-Neto, Carlucci Gualberto Ventura, Enver Akalin, Omar Mohammed, Eliyahu V Khankin, Kassem Safa, Paolo Malvezzi, Michelle Marie O'Shaughnessy, Xingxing S Cheng, Paolo Cravedi, Leonardo V Riella
BACKGROUND: Long-term outcomes in kidney transplantation (KT) have not significantly improved during the past twenty years. Despite being a leading cause of graft failure, glomerular disease (GD) recurrence remains poorly understood, due to heterogeneity in disease pathogenesis and clinical presentation, reliance on histopathology to confirm disease recurrence, and the low incidence of individual GD subtypes. Large, international cohorts of patients with GD are urgently needed to better understand the disease pathophysiology, predictors of recurrence, and response to therapy...
September 12, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/30197979/staphylococcal-infection-related-glomerulonephritis-with-cryoglobulinemic-features
#18
Mazdak A Khalighi, Laith Al-Rabadi, Meghana Chalasani, Mark Smith, Siddhartha Kakani, Monica P Revelo, Shane M Meehan
Introduction: Staphylococcal infection-related glomerulonephritis (GN) has been shown to represent a unique form of infection-related GN that contains IgA-dominant deposits and is often seen concurrently with the bacterial infection. Biopsies commonly reveal an endocapillary proliferative and/or exudative or mesangial proliferative GN. Rare cases have been reported to show cryoglobulin-like features, including hyaline pseudothrombi and wireloop deposits; however, detailed characterization of these cases is lacking...
September 2018: KI Reports
https://www.readbyqxmd.com/read/30178236/association-between-renal-outcome-and-the-number-of-steroid-pulse-therapies-after-tonsillectomy-in-patients-with-iga-nephropathy
#19
Daisuke Takada, Junichi Hoshino, Takayuki Fujii, Joichi Usui, Takeshi Fujii, Kenichi Ohashi, Kenmei Takaichi, Satoshi Suzuki, Kunihiro Yamagata, Yoshifumi Ubara
BACKGROUND: Tonsillectomy performed on patients with Immunoglobulin A glomerulonephritis (IgAN) improved the clinical remission rate as defined by urinary protein. But the number of times steroid pulse therapies (SP) should be administered remained poorly understood. METHOD: Multicenter, observational, retrospective cohort study at four hospitals in the Tokyo metropolitan area between March 1981 and December 2013. We divided patients into two groups: those treated with SP three times and those treated without SP or with SP only once or twice, and we analyzed standard Cox proportional hazard model unadjusted and adjusted the confounding covariates to estimate the hazard ratio for the primary outcome, the 30% estimated decline in glomerular filtration rate, in four models: model 1, unadjusted; model 2, adjusted for age, sex, body mass index, estimated glomerular filtration rate, biopsy year, proteinuria, hematuria, Japanese historical grade, systolic blood pressure, smoking history, and diabetes as a comorbidity; model 3, adjusted for propensity score, which was estimated by multiple logistic regressions; model 4, multilevel mixed-effects parametric survival models, whose facilities comprise the second level...
September 3, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/30177025/treatment-of-iga-nephropathy-evolution-over-half-a-century
#20
REVIEW
Jonathan Barratt, Sydney C W Tang
Fifty years into the original description of IgA nephropathy, there is still no specific therapy for this condition and general measures including blood pressure control with blockers of the renin-angiotensin-aldosterone system and salt restriction remain the cornerstone to slow disease progression. Although the paucity in treatment advances could be related to the disease's complex pathogenesis, which requires multiple hits, heterogeneity as reflected by diverse ethnic differences, and genetic predisposition and histopathologic variations, many nonspecific and immunomodulatory agents have been tested with variable degrees of success and tribulations...
September 2018: Seminars in Nephrology
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