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https://www.readbyqxmd.com/read/28219886/dependence-of-glomerulonephritis-induction-on-novel-intraglomerular-alternatively-activated-bone-marrow-derived-macrophages-and-mac-1-and-pd-l1-in-lupus-prone-nzm2328-mice
#1
Sun-Sang J Sung, Yan Ge, Chao Dai, Hongyang Wang, Shu Man Fu, Rahul Sharma, Young S Hahn, Jing Yu, Thu H Le, Mark D Okusa, Warren K Bolton, Jessica R Lawler
Glomerular damage mediated by glomerulus-infiltrating myeloid-derived cells is a key pathogenic event in lupus nephritis (LN), but the process is poorly understood. Confocal microscopy of kidney sections and flow cytometry analysis of glomerular cells from magnetic bead-purified glomeruli have identified glomerulus-infiltrating leukocyte populations in NZM2328 (NZM) lupus-prone mice with spontaneous chronic glomerulonephritis (GN) and anti-glomerular basement membrane-induced nephritis. The occurrence of a major glomerulus-infiltrating CD11b(+)F4/80(-)I-A(-) macrophage population exhibiting the markers programmed death ligand-1 (PD-L1), Mac-2, and macrophage mannose receptor (CD206) and producing Klf4, Il10, Retnla, Tnf, and Il6 mRNA, which are known to be expressed by alternatively activated (M2b) macrophages, correlated with proteinuria status...
February 20, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28209808/galactosylation-of-iga1-is-associated-with-common-variation-in-c1galt1
#2
Daniel P Gale, Karen Molyneux, David Wimbury, Patricia Higgins, Adam P Levine, Ben Caplin, Anna Ferlin, Peiran Yin, Christopher P Nelson, Horia Stanescu, Nilesh J Samani, Robert Kleta, Xueqing Yu, Jonathan Barratt
IgA nephropathy (IgAN), an important cause of kidney failure, is characterized by glomerular IgA deposition and is associated with changes in O-glycosylation of the IgA1 molecule. Here, we sought to identify genetic factors contributing to levels of galactose-deficient IgA1 (Gd-IgA1) in white and Chinese populations. Gd-IgA1 levels were elevated in IgAN patients compared with ethnically matched healthy subjects and correlated with evidence of disease progression. White patients with IgAN exhibited significantly higher Gd-IgA1 levels than did Chinese patients...
February 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28182039/hemodialysis-outcomes-and-practice-patterns-in-end-stage-renal-disease-experience-from-a-tertiary-care-hospital-in-kerala
#3
G R Lakshminarayana, L G Sheetal, A Mathew, R Rajesh, G Kurian, V N Unni
This study was planned to analyze the hemodialysis practice patterns from a tertiary care referral centre as there is very limited data from India. All patients of ESRD on maintenance hemodialysis (MHD) in dialysis unit at AIMS, Kochi, Kerala for a minimum period of 3 months were included. A total of 134 patients (M: F 2:1) with age of 20 to 84 years (Mean: 59.83; SD: 11.98) were studied. The most common causes of ESRD in study population were diabetic nephropathy (DN) (59.7%) followed by unclassified group (19...
January 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28161700/clinical-features-and-outcomes-of-a-racially-diverse-population-with-fibrillary-glomerulonephritis
#4
Fernanda Payan Schober, Meghan A Jobson, Caroline J Poulton, Harsharan K Singh, Volker Nickeleit, Ronald J Falk, J Charles Jennette, Patrick H Nachman, William F Pendergraft Iii
BACKGROUND: Fibrillary glomerulonephritis is characterized by randomly arranged fibrils, approximately 20 nm in diameter by electron microscopy. Patients present with proteinuria, hematuria and kidney insufficiency, and about half of the reported patients progress to end-stage kidney disease within 4 years. The dependence of patient characteristics and outcomes on race has not been explored. In this study, we describe a cohort of patients with fibrillary glomerulonephritis and compare their clinical characteristics and outcomes with those of patients previously described...
February 4, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28133935/post-transplant-immune-complex-nephritis-in-a-patient-with-systemic-lupus-erythematosus-associated-with-anca-vasculitis
#5
Carlos Sanchez, Alejandra Rebolledo, Junior Gahona, Mauricio Rojas, Raquel Jiménez, Aurora Bojórquez
Nearly 20% of SLE corresponds to the pediatric population, and 75% of them have kidney involvement representing an important etiology of chronic kidney disease. A correlation between SLE and ANCA-associated vasculitis has been identified as an overlapping syndrome. Kidney allograft recurrence is rare in SLE when disease control is achieved and with nowadays immunosuppression treatment. Histologic transformation is unusual, especially when there are negative serologic markers and no immune complex deposition reported in native kidneys...
January 29, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28114169/outcomes-of-pregnancies-after-kidney-transplantation-lessons-learned-from-ckd-a-comparison-of-transplanted-nontransplanted-chronic-kidney-disease-patients-and-low-risk-pregnancies-a-multicenter-nationwide-analysis
#6
Giorgina Barbara Piccoli, Gianfranca Cabiddu, Rossella Attini, Martina Gerbino, Paola Todeschini, Maria Luisa Perrino, Ana Maria Manzione, Gian Benedetto Piredda, Elisa Gnappi, Flavia Caputo, Giuseppe Montagnino, Vincenzo Bellizzi, Pierluigi Di Loreto, Francesca Martino, Domenico Montanaro, Michele Rossini, Santina Castellino, Marilisa Biolcati, Federica Fassio, Valentina Loi, Silvia Parisi, Elisabetta Versino, Antonello Pani, Tullia Todros
BACKGROUND: Kidney transplantation (KT) may restore fertility in CKD. The reasons why materno-foetal outcomes are still inferior to the overall population are only partially known. Comparison with the CKD population may offer some useful insights for management and counselling.Aim of this study was to analyse the outcomes of pregnancy after KT, compared with a large population of non-transplanted CKD patients and with low-risk control pregnancies, observed in Italy the new millennium...
January 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28091412/incidence-development-and-prognosis-of-diabetic-kidney-disease-in-china-design-and-methods
#7
Yao-Zheng Yang, Jin-Wei Wang, Fang Wang, Yun-Tao Wu, Hai-Yan Zhao, Min Chen, Lu-Xia Zhang, Shou-Ling Wu, Ming-Hui Zha
BACKGROUND: Although that glomerulonephritis is the major cause of end-stage renal disease in developing countries such as China, the increasing prevalence of diabetes has contributed to the changing spectrum of predialysis chronic kidney disease. Recent studies have revealed an increased proportion of patients with diabetic kidney disease (DKD) in hemodialysis populations in large cities in China. However, studies regarding the clinical phenotype of DKD in China are extremely limited...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28059018/outcome-in-biopsy-proven-lupus-nephritis-evaluation-of-biopsies-from-the-norwegian-kidney-biopsy-registry
#8
G E Norby, G Mjøen, R Bjørneklett, B E Vikse, H Holdaas, E Svarstad, K Aasarød
Objective To evaluate long-term mortality and end-stage renal disease (ESRD) in a cohort of Norwegian patients with biopsy-proven lupus nephritis (LN). Methods Renal biopsies were obtained from 178 patients with LN from 1988 until 2007. Mortality rate and death causes were provided by Statistics Norway and ESRD data were provided by the Norwegian Renal Registry. Risk factors for all-cause mortality were evaluated by Cox regression. Standardized mortality ratio (SMR) was compared to observed deaths in a matched general population sample...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/27992697/vista-deficiency-accelerates-the-development-of-fatal-murine-lupus-nephritis
#9
Sabrina Ceeraz, Petra A Sergent, Sean F Plummer, Alan R Schned, Dov Pechenick, Christopher M Burns, Randolph J Noelle
OBJECTIVES: The targeting of negative checkpoint regulators (NCRs) as a means of augmenting anti-tumor immune responses is now an increasingly utilized and remarkably effective approach to the treatment of several human malignancies. The NCR VISTA (V-domain Ig suppressor of T cell activation, PD-1H, DD1α) suppresses T cell responses and regulates myeloid activities. We proposed that exploitation of the VISTA pathway is a novel strategy for the treatment of human autoimmune disease and therefore studied the impact of VISTA genetic deficiency on lupus development in a lupus-prone mouse strain...
December 19, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27942042/faecal-carriage-of-gram-negative-multidrug-resistant-bacteria-among-patients-hospitalized-in-two-centres-in-ulaanbaatar-mongolia
#10
Bayaraa Baljin, Ganbaatar Baldan, Battogtokh Chimeddorj, Khosbayar Tulgaa, Batbaatar Gunchin, Tsogtsaikhan Sandag, Klaus Pfeffer, Colin R MacKenzie, Andreas F Wendel
Gram-negative multidrug-resistant organisms (GN-MDRO) producing β-lactamases (ESBL, plasmid-mediated AmpC β-lactamases and carbapenemases) are increasingly reported throughout Asia. The aim of this surveillance study was to determine the rate of bacterial colonization in patients from two hospitals in the Mongolian capital Ulaanbaatar. Rectal swabs were obtained from patients referred to the National Traumatology and Orthopaedics Research Centre (NTORC) or the Burn Treatment Centre (BTC) between July and September 2014, on admission and again after 14 days...
2016: PloS One
https://www.readbyqxmd.com/read/27919116/stylohyoid-complex-eagle-syndrome-starting-in-a-9-year-old-boy
#11
Maite Gárriz-Luis, Pablo Irimia, Juan M Alcalde, Pablo Domínguez, Juan Narbona
Background There are only four previous pediatric reports of the glossopharyngeal neuralgic form of the stylohyoid complex syndrome. Stylohyoid complex has merely been described as cases of glossopharyngeal neuralgia in children. Case Report A 12-year-old boy came to our hospital because of recurrent episodes of severe cranial pain (9/10) lasting for 5 to 15 minutes. Pain affected the right tonsillar fossa, ear, and mastoid region. Since the start at the age of 9 years, the frequency of painful episodes has progressively increased: when admitted to our clinics 3 years later, the child was having up to five episodes daily in spite of analgesic, antiepileptic, and antidepressant drugs; he had abandoned school and leisure...
February 2017: Neuropediatrics
https://www.readbyqxmd.com/read/27896619/dqb1-060101-may-contribute-to-susceptibility-to-immunoglobulin-a-nephropathy-in-southern-han-chinese
#12
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/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
#13
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/27864708/thyroid-dysfunction-and-kidney-disease-an-update
#14
REVIEW
Pedro Iglesias, María Auxiliadora Bajo, Rafael Selgas, Juan José Díez
Thyroid hormones influence renal development, kidney hemodynamics, glomerular filtration rate and sodium and water homeostasis. Hypothyroidism and hyperthyroidism affect renal function by direct renal effects as well as systemic hemodynamic, metabolic and cardiovascular effects. Hypothyroidism has been associated with increased serum creatinine and decreased glomerular filtration rate. The reverse effects have been reported in thyrotoxicosis. Most of renal manifestations of thyroid dysfunction are reversible with treatment...
November 18, 2016: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/27804171/development-and-validation-of-case-finding-algorithms-for-the-identification-of-patients-with-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-in-large-healthcare-administrative-databases
#15
Antoine G Sreih, Narender Annapureddy, Jason Springer, George Casey, Kevin Byram, Andy Cruz, Maya Estephan, Vince Frangiosa, Michael D George, Mei Liu, Adam Parker, Sapna Sangani, Rebecca Sharim, Peter A Merkel
PURPOSE: The aim of this study was to develop and validate case-finding algorithms for granulomatosis with polyangiitis (Wegener's, GPA), microscopic polyangiitis (MPA), and eosinophilic GPA (Churg-Strauss, EGPA). METHODS: Two hundred fifty patients per disease were randomly selected from two large healthcare systems using the International Classification of Diseases version 9 (ICD9) codes for GPA/EGPA (446.4) and MPA (446.0). Sixteen case-finding algorithms were constructed using a combination of ICD9 code, encounter type (inpatient or outpatient), physician specialty, use of immunosuppressive medications, and the anti-neutrophil cytoplasmic antibody type...
December 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27797895/viral-associated-gn-hepatitis-c-and-hiv
#16
Warren L Kupin
Viruses are capable of inducing a wide spectrum of glomerular disorders that can be categorized on the basis of the duration of active viremia: acute, subacute, or chronic. The variable responses of the adaptive immune system to each time period of viral infection results mechanistically in different histologic forms of glomerular injury. The unique presence of a chronic viremic carrier state with either hepatitis C (HCV) or HIV has led to the opportunity to study in detail various pathogenic mechanisms of viral-induced glomerular injury, including direct viral infection of renal tissue and the development of circulating immune complexes composed of viral antigens that deposit along the glomerular basement membrane...
October 24, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27734390/production-and-analysis-of-conditional-ko-mice-of-ccn2-in-kidney
#17
Naohiro Toda, Hideki Yokoi, Kiyoshi Mori, Masashi Mukoyama
CCN2 has been shown to be closely involved in the progression of renal fibrosis, indicating the potential of CCN2 inhibition as a therapeutic target. Although the examination of the phenotypes of adult CCN2 knockout mice with renal diseases has yielded valuable scientific insights, perinatal death has limited studies of CCN2 in vivo. Conditional knockout technology has become widely used for the deletion of genes in the desired cell populations and time points through the use of cell-specific Cre recombinase-expressing mice...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27691976/nephropathies-in-the-european-captive-cheetah-acinonyx-jubatus-population
#18
Angelika Url, Verena Krutak, Anna Kübber-Heiss, Sonja Chvala-Mannsberger, Nadia Robert, Nora Dinhopl, Peter Schmidt, Chris Walzer
According to previous studies in captive cheetah ( Acinonyx jubatus ) populations, one of the most threatening diseases besides amyloidosis, myelopathy, veno occlusive disease, and gastritis, is renal failure. Contrary to captive cheetahs in North America and South Africa, morphological data concerning renal lesions in the cheetah European Endangered Species Program (EEP) are lacking. This study details the histological characterization as well as immunohistochemical and morphometrical analysis of nephropathies in 35 captive cheetahs from the EEP, which were necropsied between 1985 and 2003...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27671089/revisiting-the-systemic-vasculitis-in-eosinophilic-granulomatosis-with-polyangiitis-churg-strauss-a-study-of-157-patients-by-the-groupe-d-etudes-et-de-recherche-sur-les-maladies-orphelines-pulmonaires-and-the-european-respiratory-society-taskforce-on-eosinophilic
#19
Vincent Cottin, Elisabeth Bel, Paolo Bottero, Klaus Dalhoff, Marc Humbert, Romain Lazor, Renato A Sinico, Pasupathy Sivasothy, Michael E Wechsler, Matthieu Groh, Sylvain Marchand-Adam, Chahéra Khouatra, Benoit Wallaert, Camille Taillé, Philippe Delaval, Jacques Cadranel, Philippe Bonniaud, Grégoire Prévot, Sandrine Hirschi, Anne Gondouin, Bertrand Dunogué, Gérard Chatté, Christophe Briault, Christian Pagnoux, David Jayne, Loïc Guillevin, Jean-François Cordier
OBJECTIVE: To guide nosology and classification of patients with eosinophilic granulomatosis with polyangiitis (EGPA) based on phenotype and presence or absence of ANCA. METHODS: Organ manifestations and ANCA status were retrospectively analyzed based on the presence or not of predefined definite vasculitis features or surrogates of vasculitis in patients asthma, eosinophilia, and at least one systemic organ manifestation attributable to systemic disease. RESULTS: The study population included 157 patients (mean age 49...
January 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27641990/hepatitis-c-virus-infection-and-chronic-kidney-disease-time-for-reappraisal
#20
REVIEW
Patrice Cacoub, Anne Claire Desbois, Corinne Isnard-Bagnis, Dario Rocatello, Clodoveo Ferri
Hepatitis C virus (HCV) infection is associated with tremendous morbidity and mortality due to liver complications. HCV infection is also associated with many extrahepatic manifestations including cardiovascular diseases, glucose metabolism impairment, cryoglobulinemia vasculitis, B cell non-Hodgkin lymphoma and chronic kidney disease (CKD). Many studies have shown a strong association between HCV and CKD, by reporting (i) an increased prevalence of HCV infection in patients on haemodialysis, (ii) an increased incidence of CKD and proteinuria in HCV-infected patients, and (iii) the development of membranoproliferative glomerulonephritis secondary to HCV-induced cryoglobulinemia vasculitis...
October 2016: Journal of Hepatology
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