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"Membranous Nephropathy"

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https://www.readbyqxmd.com/read/29769410/human-anti-thrombospondin-type-1-domain-containing-7a-antibodies-induce-membranous-nephropathy-through-activation-of-lectin-complement-pathway
#1
Zheng Wang, Lu Wen, Yanna Dou, Zhanzheng Zhao
To investigate whether the human anti-thrombospondin type 1 domain-containing 7A (THSD7A) antibody-induced membranous nephropathy is mediated by activating lectin complement pathway. Automatic biochemical apparatus was used to assess renal function of mice. The serum levels of anti-THSD7A antibodies and complement were tested by using Enzyme-linked immunosorbent assay (ELISA). The expression level of THSD7A and Mannose-Binding Lectin (MBL) in clinical tissue, and the histological features of MN in mice were examined by immunochemical methods...
May 16, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29766466/concurrent-isolated-igg2-positive-membranous-nephropathy-and-malignant-b-cell-lymphoma
#2
Satoshi Shimada, Takashi Nakamichi, Gen Yamada, Kaori Narumi, Hajime Usubuchi, Tae Yamamoto, Satoshi Ichikawa, Noriko Fukuhara, Mariko Miyazaki, Hideo Harigae, Hiroshi Sato, Sadayoshi Ito
A recent systematic review showed that hematological malignancy is often complicated by membranous nephropathy (MN). Histologically, the deposition of IgG subclasses other than IgG4 may imply secondary MN, such as malignancy-associated MN (M-MN). We describe a very rare case of concurrent isolated IgG2-positive MN and B-cell lymphoma. An 83-year-old woman was hospitalized at our institute for facial and lower extremity edema persisting for 2 months. Laboratory tests showed urinary protein level of 10.8 g/day, serum albumin level of 1...
May 15, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29764427/col4a5-and-lama5-variants-co-inherited-in-familial-hematuria-digenic-inheritance-or-genetic-modifier-effect
#3
Konstantinos Voskarides, Gregory Papagregoriou, Despina Hadjipanagi, Ioanelli Petrou, Isavella Savva, Avraam Elia, Yiannis Athanasiou, Androulla Pastelli, Maria Kkolou, Michalis Hadjigavriel, Christoforos Stavrou, Alkis Pierides, Constantinos Deltas
BACKGROUND: About 40-50% of patients with familial microscopic hematuria (FMH) caused by thin basement membrane nephropathy (TBMN) inherit heterozygous mutations in collagen IV genes (COL4A3, COL4A4). On long follow-up, the full phenotypic spectrum of these patients varies a lot, ranging from isolated MH or MH plus low-grade proteinuria to chronic renal failure of variable degree, including end-stage renal disease (ESRD). METHODS: Here, we performed Whole Exome Sequencing (WES) in patients of six families, presenting with autosomal dominant FMH, with or without progression to proteinuria and loss of renal function, all previously found negative for severe collagen IV mutations...
May 16, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29755981/diagnostic-test-accuracy-of-serum-anti-pla2r-autoantibodies-and-glomerular-pla2r-antigen-for-diagnosing-idiopathic-membranous-nephropathy-an-updated-meta-analysis
#4
Weiying Li, Yuliang Zhao, Ping Fu
Background: M-type phospholipase A2 receptor (PLA2R) is known as a major antigen on podocytes, which is involved with the pathogenesis of idiopathic membranous nephropathy (iMN). Many studies have shown that serum anti-PLA2R autoantibodies (sPLA2R) are prevalent in patients with iMN but are rarely detected in secondary membranous nephropathy (SMN) or other glomerulonephritis. The anti-PLA2R is considered as a promising serum biomarker in iMN but reports about its diagnostic value are variable and inconsistent...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29748623/plasma-microrna-panel-is-a-novel-biomarker-for-focal-segmental-glomerulosclerosis-and-associated-with-podocyte-apoptosis
#5
Bin Xiao, Li-Na Wang, Wei Li, Li Gong, Ting Yu, Qian-Fei Zuo, Hong-Wen Zhao, Quan-Ming Zou
Focal segmental glomerulosclerosis (FSGS) is a frequent glomerular disease, and is the common cause of nephrotic syndrome. However, there is no validated diagnostic blood biomarker for FSGS. Here, we performed a real-time PCR-based high-throughput miRNA profiling to identify the plasma signature for FSGS. We found four miRNAs (miR-17, miR-451, miR-106a, and miR-19b) were significantly downregulated in the plasma of FSGS patients (n = 97) compared with healthy controls (n = 124) in the training, validation, and blinded-test phases...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29744961/segmental-membranous-nephropathy-with-severe-igg3-deposition
#6
Atsushi Kondo, Yuya Hashimura, Takamichi Uchiyama, Norishige Yoshikawa, Hirotaka Minami
No abstract text is available yet for this article.
May 9, 2018: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29725656/the-role-of-pla2r-antibody-in-treatment-of-membranous-nephropathy
#7
Karine Dahan, Valentine Gillion, Catherine Johanet, Hanna Debiec, Pierre Ronco
No abstract text is available yet for this article.
March 2018: KI Reports
https://www.readbyqxmd.com/read/29725654/efficacy-and-safety-of-rituximab-in-hepatitis-b-virus-associated-pla2r-positive-membranous-nephropathy
#8
Lena Berchtold, Gilbert Zanetta, Karine Dahan, Fabrice Mihout, Julie Peltier, Dominique Guerrot, Isabelle Brochériou, Pierre Ronco, Hanna Debiec
No abstract text is available yet for this article.
March 2018: KI Reports
https://www.readbyqxmd.com/read/29725652/concurrent-presentation-of-thrombotic-thrombocytopenic-purpura-and-membranous-nephropathy
#9
Laith Al-Rabadi, Karen Quillen, Moshe Shashar, Catreena Al Marji, Aala Jaberi, Vipul Chitalia, Joel Henderson, David Salant, Laurence H Beck
No abstract text is available yet for this article.
March 2018: KI Reports
https://www.readbyqxmd.com/read/29725648/nephcure-accelerating-cures-institute-a-multidisciplinary-consortium-to-improve-care-for-nephrotic-syndrome
#10
Debbie S Gipson, David T Selewski, Susan F Massengill, Mary Margaret Modes, Hailey Desmond, Lauren Lee, Elaine Kamil, Matthew R Elliott, Sharon G Adler, Gia Oh, Richard A Lafayette, Patrick E Gipson, Aditi Sinha, Arvind Bagga, Anne Pesenson, Cheryl Courtlandt, Cathie Spino, Richard Eikstadt, Renée Pitter, Samara Attalla, Anne Waldo, Richard Winneker, Noelle E Carlozzi, Jonathan P Troost, Irving Smokler, Mark Stone
Introduction: NephCure Accelerating Cures Institute (NACI) is a collaborative organization sponsored by NephCure Kidney International and the University of Michigan. The Institute is composed of 7 cores designed to improve treatment options and outcomes for patients with glomerular disease: Clinical Trials Network, Data Warehouse, Patient-Reported Outcomes (PRO) and Endpoints Consortium, Clinical Trials Consulting Team, Quality Initiatives, Education and Engagement, and Data Coordinating Center...
March 2018: KI Reports
https://www.readbyqxmd.com/read/29709946/a-refractory-case-of-secondary-membranous-nephropathy-concurrent-with-igg4-related-tubulointerstitial-nephritis
#11
Hiroyuki Arai, Naohiro Toda, Ryo Kamimatsuse, Keisuke Nishioka, Shuichiro Endo, Shinichi Akiyama, Shoichi Maruyama, Takeshi Matsubara, Hideki Yokoi, Motoko Yanagita
A 58-year-old man with type 1 autoimmune pancreatitis was referred to nephrologists for severe proteinuria. Laboratory data revealed a high serum IgG4 level, hypoalbuminemia, and massive proteinuria, which were compatible with nephrotic syndrome. The renal pathological findings confirmed the diagnosis of secondary membranous nephropathy concurrent with IgG4-related tubulointerstitial nephritis. Despite the improvement of interstitial markers, the proteinuria was refractory to prednisolone, requiring cyclosporine to achieve complete remission...
April 27, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29698936/response-predictors-to-calcineurin-inhibitors-in-patients-with-primary-membranous-nephropathy
#12
Xiaofang Yu, Jieru Cai, Xiaoyan Jiao, Shu Zhang, Hong Liu, Xiaoqiang Ding
BACKGROUND: Currently, there is an urgent need to find ways of identifying primary membranous nephropathy (PMN) patients who are likely to benefit from calcineurin inhibitors (CNI) or who are resistant to them. In this study, we employed nano-HPLC-MS/MS analysis to identify serum biomarkers that predict the clinical response to CNI therapy in PMN patients. METHODS: The endpoint was complete remission (CR) after CNI treatment. PMN patients were grouped into no-remission (NR) or CR groups to screen predictive candidates using the nano-HPLC-MS/MS analysis...
April 26, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29692990/membranous-nephropathy-like-apolipoprotein-e-deposition-disease-with-apolipoprotein-e-toyonaka-ser197cys-and-a-homozygous-apolipoprotein-e2-2
#13
Megumu Fukunaga, Kiyotaka Nagahama, Michiko Aoki, Akira Shimizu, Shigeo Hara, Akira Matsunaga, Eri Muso, Takao Saito
A 20-year-old female student underwent renal biopsy because of chance proteinuria and hematuria. Histological study revealed a membranous nephropathy-like appearance by light microscopy. But immunoglobulins and complements were negative in the glomerulus by immunofluorescence study. On the other hand, plasma apolipoprotein E (ApoE) concentration was elevated to more than 2 times the normal range, and the phenotype, genotype, and DNA sequence studies of her ApoE showed homozygous ApoE2/2 and a heterozygous novel missense mutation called ApoE Toyonaka (Ser197Cys)...
January 2018: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/29688520/comparison-of-2-anti-pla2r-immunoassays-for-the-diagnosis-of-primary-membranous-nephropathy
#14
Weihao Li, Yaping Guo, Zhiping Zhang, Feifei Zhang, Xiaomei Liu, Xin Ji, Lixia Liu, Hong Wang
Background: Anti-phospholipase A2 receptor (anti-PLA2R) is a promising biomarker for diagnosis, activity evaluation, therapy monitoring, and prognostic estimation of primary membranous neuropathy (pMN). Difference in methodology may be one cause of the discrepancy in anti-PLA2R-positive percentages in reported studies. In this study, we evaluated the determination consistency of anti-PLA2R using indirect immunofluorescence assay (IIF) and enzyme-linked immunosorbent assay (ELISA). Methods: A total of 113 patients with pMN, 34 with secondary membranous neuropathy (sMN), and 53 healthy control individuals were enrolled...
April 23, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29682097/growth-differentiation-factor-15-as-a-predictor-of-idiopathic-membranous-nephropathy-progression-a-retrospective-study
#15
Young Rok Ham, Chang Hun Song, Hong Jin Bae, Jin Young Jeong, Min-Kyung Yeo, Dae Eun Choi, Ki-Ryang Na, Kang Wook Lee
Idiopathic membranous nephropathy (IMN) is a major cause of nephrotic syndrome. No biomarker to predict the long-term prognosis of IMN is currently available. Growth differentiation factor-15 (GDF-15) is a member of the transforming growth factor- β superfamily and has been associated with chronic inflammatory disease. It has the potential to be a useful prognostic marker in patients with renal diseases, such as diabetic nephropathy and IgA nephropathy. This study examined whether GDF-15 is associated with the clinical parameters in IMN and showed that GDF-15 can predict IMN disease progression...
2018: Disease Markers
https://www.readbyqxmd.com/read/29679356/regional-variations-in-immunosuppressive-therapy-in-patients-with-primary-nephrotic-syndrome-the-japan-nephrotic-syndrome-cohort-study
#16
Ryohei Yamamoto, Enyu Imai, Shoichi Maruyama, Hitoshi Yokoyama, Hitoshi Sugiyama, Kosaku Nitta, Tatsuo Tsukamoto, Shunya Uchida, Asami Takeda, Toshinobu Sato, Takashi Wada, Hiroki Hayashi, Yasuhiro Akai, Megumu Fukunaga, Kazuhiko Tsuruya, Kosuke Masutani, Tsuneo Konta, Tatsuya Shoji, Takeyuki Hiramatsu, Shunsuke Goto, Hirofumi Tamai, Saori Nishio, Arimasa Shirasaki, Kojiro Nagai, Kunihiro Yamagata, Hajime Hasegawa, Hidemo Yasuda, Shizunori Ichida, Tomohiko Naruse, Kei Fukami, Tomoya Nishino, Hiroshi Sobajima, Satoshi Tanaka, Toshiyuki Akahori, Takafumi Ito, Terada Yoshio, Ritsuko Katafuchi, Shouichi Fujimoto, Hirokazu Okada, Eiji Ishimura, Junichiro James Kazama, Keiju Hiromura, Tetsushi Mimura, Satashi Suzuki, Yosuke Saka, Tadashi Sofue, Yusuke Suzuki, Yugo Shibagaki, Kiyoki Kitagawa, Kunio Morozumi, Yoshiro Fujita, Makoto Mizutani, Takashi Shigematsu, Naoki Kashihara, Hiroshi Sato, Seiichi Matsuo, Ichiei Narita, Yoshitaka Isaka
BACKGROUND: The lack of high-quality clinical evidences hindered broad consensus on optimal therapies for primary nephrotic syndromes. The aim of the present study was to compare prevalence of immunosuppressive drug use in patients with primary nephrotic syndrome across 6 regions in Japan. METHODS: Between 2009 and 2010, 380 patients with primary nephrotic syndrome in 56 hospitals were enrolled in a prospective cohort study [Japan Nephrotic Syndrome Cohort Study (JNSCS)], including 141, 151, and 38 adult patients with minimal change disease (MCD), membranous nephropathy (MN), and focal segmental glomerulosclerosis (FSGS), respectively...
April 20, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29673759/alport-syndrome-and-pierson-syndrome-diseases-of-the-glomerular-basement-membrane
#17
REVIEW
Steven D Funk, Meei-Hua Lin, Jeffrey H Miner
The glomerular basement membrane (GBM) is an important component of the kidney's glomerular filtration barrier. Like all basement membranes, the GBM contains type IV collagen, laminin, nidogen, and heparan sulfate proteoglycan. It is flanked by the podocytes and glomerular endothelial cells that both synthesize it and adhere to it. Mutations that affect the GBM's collagen α3α4α5(IV) components cause Alport syndrome (kidney disease with variable ear and eye defects) and its variants, including thin basement membrane nephropathy...
April 16, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29669425/response-to-pharmacological-treatment-of-primary-membranous-nephropathy-in-2016
#18
Nikoleta Printza, Ireni Georeli, Stella Stabouli, John Dotis, Christina Sidira, Fotios Papachristou
No abstract text is available yet for this article.
April 25, 2018: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29669314/three-novel-heterozygous-col4a4-mutations-result-in-three-different-collagen-type-iv-kidney-disease-phenotypes
#19
Ang Li, Er-Zhi Gao, Ying-Xia Cui, Jian-Hong Liu, Xing Lv, Xiu-Xiu Wei, Xin-Yi Xia, Chun-Lin Gao, Feng-Xia Liu, Zheng-Kun Xia, Asan, Zhi-Hong Liu, Xiao-Jun Li
Thin basement membrane nephropathy (TBMN), autosomal dominant Alport syndrome (ADAS), and focal segmental glomerulosclerosis (FSGS) are kidney diseases that differ in clinical diagnosis, treatment, and prognosis. Nevertheless, they may result from the same causative genes. Here, we report 3 COL4A4 heterozygous mutations (p.Gly208Arg, p.Ser513Glufs*2, and p.Met1617Cysfs*39) that lead to 3 different collagen type IV kidney disease phenotypes, manifesting as TBMN, ADAS, and FSGS. Using bioinformatics analyses and pedigree verification, we show that these novel variants are pathogenetic and cosegregate with TBMN, ADAS, and FSGS...
2018: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/29657221/unusual-cause-of-crystalline-nephropathy
#20
Natarajan Gopalakrishnan, Dhanasekaran Rajasekar, Jeyachandran Dhanapriya, Thanigachalam Dineshkumar, Ramanathan Sakthirajan, T Balasubramaniyan, V Murugesan
Adenine phosphoribosyltransferase deficiency is a rare, inherited autosomal recessive disease presenting with 2,8-dihydroxyadenine (DHA) urolithiasis, DHA nephropathy, and chronic kidney disease. The presence of DHA crystals in urine and renal biopsy is pathognomonic of the disease. We report a 23-year-old female with acute renal failure and nephrotic proteinuria. Urinalysis showed reddish brown, round crystals with dark outline, and central spicules consistent with 2,8-DHA crystals. Renal biopsy showed membranous nephropathy and 2,8-DHA nephropathy...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
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