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Glomerulonephritis.

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https://www.readbyqxmd.com/read/27920570/formation-of-tight-junctions-between-neighboring-podocytes-is-an-early-ultrastructural-feature-in-experimental-crescentic-glomerulonephritis
#1
Lena Succar, Ross A Boadle, David C Harris, Gopala K Rangan
PURPOSE: In crescentic glomerulonephritis (CGN), the development of cellular bridges between podocytes and parietal epithelial cells (PECs) triggers glomerular crescent formation. However, the sequential changes in glomerular ultrastructure in CGN are not well defined. This study investigated the time course of glomerular ultrastructure in experimental CGN. METHODS: Transmission electron microscopy (TEM) was performed using kidney samples from rats with nephrotoxic serum nephritis (NSN) from day 1 to day 14...
2016: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/27919192/predictive-value-of-neutrophil-lymphocyte-ratio-in-renal-prognosis-of-patients-with-granulomatosis-with-polyangiitis
#2
Hamit Küçük, Berna Göker, Özkan Varan, Burak Dumludag, Şeminur Haznedaroğlu, Mehmet Akif Öztürk, Abdurrahman Tufan, Tugce Emiroglu, Yasemin Erten
INTRODUCTION: Granulomatosis with polyangiitis (GPA) is a rare necrotizing vasculitis, which usually involves the upper and lower respiratory systems and kidneys and often have a relapsing course. Neutrophil/lymphocyte ratio (NLR) has been shown to be a useful marker predicting not only progressive disease, but also mortality in various inflammatory diseases. We aimed to investigate the roles of NLR in predicting the extend of clinical involvement and prognosis of patients with GPA. MATERIALS AND METHODS: Consecutive newly diagnosed GPA patients who had follow-up for at least 6 months between 2010 and 2016 at Gazi University Internal Medicine-Rheumatology clinic were retrospectively analyzed...
December 5, 2016: Renal Failure
https://www.readbyqxmd.com/read/27913223/hepatitis-e-virus-infection-beyond-the-liver
#3
REVIEW
S Pischke, J Hartl, S D Pas, A W Lohse, B C Jacobs, A A van der Eijk
Hepatitis E virus (HEV) infections are not limited to the liver but may also affect other organs. Several diseases, including Guillain-Barré syndrome, neuralgic amyotrophy, glomerulonephritis, cryoglobulinemia, pancreatitis, lymphoma, thrombopenia, meningitis, thyreoiditis and myocarditis have been observed in the context of hepatitis E. To date the definite pathophysiological links between HEV and extrahepatic manifestations are not yet established. However, it is suggested that HEV-infection might be causative based on serological studies, case series, in vitro data and animal models...
November 29, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27904866/sj%C3%A3-gren-syndrome-related-membranous-glomerulonephritis-progressing-to-membranoproliferative-glomerulonephritis
#4
Junko Yabuuchi, Tatsuya Suwabe, Toshiharu Ueno, Junichi Hoshino, Akinari Sekine, Noriko Hayami, Masahiko Oguro, Kyohei Kunisawa, Masahiro Kawada, Masayuki Yamanouchi, Keiichi Sumida, Hiroki Mizuno, Eiko Hasegawa, Naoki Sawa, Kenmei Takaichi, Kenichi Ohashi, Takeshi Fujii, Yoshifumi Ubara
We report a case of glomerulopathy in a 36-year-old Japanese woman with primary Sjögren syndrome (pSS). The first renal biopsy suggested membranous glomerulonephritis. However, repeat biopsy was performed after 16 years because of increased proteinuria, revealing membranoproliferative glomerulonephritis with mesangial deposits, subendothelial deposits, and subepithelial deposits. Immunofluorescent studies showed predominant deposition of IgG2 and IgG4. This patient was positive for antinuclear antibody and anti-SS-A antibody...
September 2016: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/27903857/a-hyperpigmented-reticular-rash-in-a-patient-on-peritoneal-dialysis
#5
Andrew M South, Milene K Crispin, Ann L Marqueling, Scott M Sutherland
Chronically ill patients often develop uncommon exam findings. A 16-year-old female with end-stage renal disease secondary to immune complex-mediated glomerulonephritis on peritoneal dialysis (PD) developed a pruritic, hyperpigmented reticular rash on her abdomen, sparing the PD catheter insertion site. The rash appeared approximately 6 weeks after initiating PD. She used a heating pad nightly during PD for dialysis drain pain. Testing for systemic and autoimmune disease was negative. She was referred to dermatology, where the diagnosis of erythema ab igne (EAI), a well-described but less well-known hyperpigmented reticular cutaneous eruption caused by chronic exposure to low levels of infrared heat, was confirmed...
November 2016: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/27896619/dqb1-060101-may-contribute-to-susceptibility-to-immunoglobulin-a-nephropathy-in-southern-han-chinese
#6
Wei Wang, Ming Li, Li Wang, Xueqing Yu
Immunoglobulin A nephropathy (IgAN) is a common form of chronic glomerulonephritis with unknown pathogenesis. Accumulating evidences have shown the ethnic-specific association between certain human leukocyte antigen (HLA) alleles and IgAN susceptibility. This study was designed to explore the relationship between HLA-DQB1 alleles and disease susceptibility and clinical manifestations of patients with IgAN in southern Han Chinese. A PCR sequence-based typing technique was used to detect HLA-DQB1 alleles in 217 IgAN patients and 229 healthy subjects...
November 28, 2016: Frontiers of Medicine
https://www.readbyqxmd.com/read/27891383/ruptured-sinus-of-valsalva-with-infective-endocarditis-complicated-with-post-infectious-acute-glomerulonephritis-a-rare-case-presentation
#7
Aditya Singh Kutiyal, Mradul Kumar Daga
Ruptured Sinus of Valsalva (RSOV) is a rarely seen disease condition. RSOV can have varied presentations from being asymptomatic with just a cardiac murmur to profound hypotension. There has been simultaneous occurrence of RSOV with Infective Endocarditis (IE) in literature. Glomerulonephritis has also been reported in approximately 20% patients with IE. Large amount of proteinuria or decline in kidney functions is rarely encountered and mostly this finding has been incidental on routine evaluation. The co-existence of all the three conditions in a single patient is rare...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891268/a-case-report-describing-a-rare-presentation-of-simultaneous-occurrence-of-mpo-anca-associated-vasculitis-and-rheumatoid-arthritis
#8
Nathalie Foray, Tamer Hudali, Muralidhar Papireddy, John Gao
Background. Renal-limited myeloperoxidase vasculitis with simultaneous rheumatoid arthritis is reported as a rare occurrence. Review of literature suggests that most patients had a diagnosis of rheumatoid arthritis for several years prior to presenting with renal failure from myeloperoxidase vasculitis. Case Presentation. A 58-year-old Caucasian male presented to the hospital experiencing malaise, fevers, decreased oral intake, nausea, and vomiting for one week duration. His past medical history consisted of newly diagnosed but untreated rheumatoid arthritis, hypertension, and non-insulin-dependent diabetes mellitus...
2016: Case Reports in Nephrology
https://www.readbyqxmd.com/read/27888054/a-red-herring-in-the-green-grass-syphilitic-membranous-glomerulonephritis
#9
Steve A Noutong, Volodymyr Chornyy, Kawther F Alquadan, A Ahsan Ejaz, Abhilash Koratala
No abstract text is available yet for this article.
November 22, 2016: American Journal of Medicine
https://www.readbyqxmd.com/read/27885316/bartonella-endocarditis-and-pauci-immune-glomerulonephritis-a-case-report-and-review-of-the-literature
#10
REVIEW
Jillian E Raybould, Alison L Raybould, Megan K Morales, Misbah Zaheer, Michael S Lipkowitz, Joseph G Timpone, Princy N Kumar
Among culture-negative endocarditis in the United States, Bartonella species are the most common cause, with Bartonella henselae and Bartonella quintana comprising the majority of cases. Kidney manifestations, particularly glomerulonephritis, are common sequelae of infectious endocarditis, with nearly half of all Bartonella patients demonstrating renal involvement. Although a pauci-immune pattern is a frequent finding in infectious endocarditis-associated glomerulonephritis, it is rarely reported in Bartonella endocarditis...
September 2016: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/27884267/50-years-ago-in-the-journal-of-pediatrics-hemodynamic-findings-in-acute-glomerulonephritis
#11
Sharon P Andreoli
No abstract text is available yet for this article.
December 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27884116/kidney-disease-in-the-elderly-biopsy-based-data-from-14-renal-centers-in-poland
#12
Agnieszka Perkowska-Ptasinska, Dominika Deborska-Materkowska, Artur Bartczak, Tomasz Stompor, Tomasz Liberek, Barbara Bullo-Piontecka, Anna Wasinska, Agnieszka Serwacka, Marian Klinger, Jolanta Chyl, Michal Kuriga, Robert Malecki, Krzysztof Marczewski, Bogdan Hryniewicz, Tadeusz Gregorczyk, Monika Wieliczko, Stanislaw Niemczyk, Olga Rostkowska, Leszek Paczek, Magdalena Durlik
BACKGROUND: Longer life expectancy is associated with an increasing prevalence of kidney disease. Aging itself may cause renal damage, but the spectrum of kidney disorders that affect elderly patients is diverse. Few studies, mostly form US, Asia and West Europe found differences in the prevalence of some types of kidney diseases between elderly and younger patients based on renal biopsy findings, with varied proportion between glomerulopathies and arterionephrosclerosis as a dominant injury found...
November 25, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27881823/nanobodies-that-block-gating-of-the-p2x7-ion-channel-ameliorate-inflammation
#13
Welbeck Danquah, Catherine Meyer-Schwesinger, Björn Rissiek, Carolina Pinto, Arnau Serracant-Prat, Miriam Amadi, Domenica Iacenda, Jan-Hendrik Knop, Anna Hammel, Philine Bergmann, Nicole Schwarz, Joana Assunção, Wendy Rotthier, Friedrich Haag, Eva Tolosa, Peter Bannas, Eric Boué-Grabot, Tim Magnus, Toon Laeremans, Catelijne Stortelers, Friedrich Koch-Nolte
Ion channels are desirable therapeutic targets, yet ion channel-directed drugs with high selectivity and few side effects are still needed. Unlike small-molecule inhibitors, antibodies are highly selective for target antigens but mostly fail to antagonize ion channel functions. Nanobodies-small, single-domain antibody fragments-may overcome these problems. P2X7 is a ligand-gated ion channel that, upon sensing adenosine 5'-triphosphate released by damaged cells, initiates a proinflammatory signaling cascade, including release of cytokines, such as interleukin-1β (IL-1β)...
November 23, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27880975/ror%C3%AE-t-expression-in-tregs-promotes-systemic-lupus-erythematosus-via-il-17-secretion-alteration-of-treg-phenotype-and-suppression-of-th2-responses
#14
Malte A Kluger, Anna Nosko, Torben Ramcke, Boeren Goerke, Matthias C Meyer, Claudia Wegscheid, Michael Luig, Gisa Tiegs, Rolf A K Stahl, Oliver M Steinmetz
Systemic lupus erythematosus (SLE) is a common autoimmune disorder with a complex and poorly understood immuno-pathogenesis. However, a pathogenic role for the Th17 axis was demonstrated by many studies, while Tregs were shown to mediate protection. Recently, we and others characterized a novel and independent T cell population expressing both, the Treg characteristic transcription factor Foxp3 and the Th17 defining RORγt. Studies in a model of acute glomerulonephritis unveiled potent regulatory, but in addition also pro-inflammatory functions of RORγt(+) Foxp3(+) Tregs...
November 23, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27878657/c3-glomerulopathy-and-current-dilemmas
#15
Naoko Ito, Ryuji Ohashi, Michio Nagata
C3 glomerulopathy (C3G) is a recently identified disease entity caused by dysregulation of the alternative complement pathway, and dense deposit disease (DDD) and C3 glomerulonephritis (C3GN) are its components. Because laboratory detection of complement dysregulation is still uncommon in practice, "dominant C3 deposition by two orders greater than that of immunoglobulins in the glomeruli by immunofluorescence", as stated in the consensus report, defines C3G. However, this morphological definition possibly includes the cases with glomerular diseases of different mechanisms such as post-infectious glomerulonephritis...
November 23, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27876127/in-silico-prediction-of-specific-pathways-that-regulate-mesangial-cell-proliferation-in-iga-nephropathy
#16
Elham Sadat Mirfazeli, Sayed-Amir Marashi, Shiva Kalantari
IgA nephropathy is one of the most common forms of primary glomerulonephritis worldwide leading to end-stage renal disease. Proliferation of mesangial cells, i.e., the multifunctional cells located in the intracapillary region of glomeruli, after IgA- dominant immune deposition is the major histologic feature in IgA nephropathy. In spite of several studies on molecular basis of proliferation in these cells, specific pathways responsible for regulation of proliferation are still to be discovered. In this study, we predicted a specific signaling pathway started from transferrin receptor (TFRC), a specific IgA1 receptor on mesangial cells, toward a set of proliferation-related proteins...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27876011/nivolumab-associated-acute-glomerulonephritis-a-case-report-and-literature-review
#17
Kyungsuk Jung, Xu Zeng, Marijo Bilusic
BACKGROUND: Immune checkpoint inhibitors are changing the landscape of oncology treatment as they are significantly improving treatment for multiple malignancies. Nivolumab, an anti-programmed death 1 antibody, is a US Food and Drug Administration-approved treatment for melanoma, non-small cell lung cancer, and kidney cancer but can result in a spectrum of autoimmune side effects. Adverse effects can occur within any organ system in the body including the colon, lung, liver, endocrine systems, or kidneys...
November 22, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27873464/hyalinosis-lesions-in-renal-transplant-biopsies-time-dependent-complexity-of-interpretation
#18
Gunilla Einecke, Jeff Reeve, Philip F Halloran
Because calcineurin inhibitor immunosuppressive drugs (CNIs) induce arteriolar hyalinosis (ah) in kidney transplants, ah lesions can potentially provide information about drug exposure. We studied the relationship of ah lesions to findings and outcomes in 562 indication biopsies taken 3 days to 35 years post-transplant. Prevalence of ah lesions increased with time post-transplant (TxBx). Ah-scores correlated with arterial intimal thickening and atrophy-fibrosis but, unlike atrophy-fibrosis, did not increase until after 500 days because of a background of ah1 lesions in early biopsies reflecting donor aging...
November 22, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27872837/antineutrophil-cytoplasmic-antibodies-crescentic-allograft-glomerulonephritis-after-sofosbuvir-therapy
#19
Shilpa Gadde, Belinda Lee, Laura Kidd, Rubin Zhang
Antineutrophil cytoplasmic antibodies (ANCA) are well known to be associated with several types of vasculitis, including pauci-immune crescentic glomerulonephritis, a form of rapid progressive glomerular nephritis (RPGN). ANCA vasculitis has also been reported after administration of propylthiouracil, hydralazine, cocaine (adulterated with levimasole), allopurinol, penicillamine and few other drugs. All previously reported cases of drug-associated ANCA glomerulonephritis were in native kidneys. Sofosbuvir is a new and effective drug for hepatitis C virus infection...
November 6, 2016: World Journal of Nephrology
https://www.readbyqxmd.com/read/27871159/-acute-kidney-injury-in-cirrhotic-patients-with-portal-hypertension
#20
REVIEW
So Mi Kim, Il Han Song
Acute kidney injury (AKI) is one of the most common manifestations encountered in clinical practice. It is associated with high morbidity and mortality in cirrhotic pre- and post-transplantation patients. Hepatorenal syndrome (HRS), a special form of AKI in cirrhotic patients, was recognized as a consequence of renal vasoconstriction from systemic/renal hemodynamic alterations developed in advanced cirrhosis with portal hypertension. Recently, multiple factors-such as infection/inflammation, underlying glomerulonephritis, bile cast, or increased abdominal pressure-have been considered to contribute to renal dysfunction in cirrhotic patients, which were presumed to induce HRS...
November 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
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