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C3 nephritis

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https://www.readbyqxmd.com/read/29325582/urinary-angiostatin-cxcl4-and-vcam-1-as-biomarkers-of-lupus-nephritis
#1
Chi Chiu Mok, Samar Soliman, Ling Yin Ho, Fatma A Mohamed, Faten Ismail Mohamed, Chandra Mohan
BACKGROUND: The aim was to study urinary angiostatin, CXC chemokine ligand 4 (CXCL4) and vascular cell adhesion molecule-1 (VCAM-1) as biomarkers of renal disease in systemic lupus erythematosus (SLE). METHOD: Patients who fulfilled ≥ 4 American College of Rheumatology (ACR) criteria for SLE with active renal, active non-renal or inactive disease, and a group of healthy controls were studied. Urine samples were assayed for angiostatin, CXCL4 and VCAM-1 by ELISA, and normalized by creatinine...
January 11, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29319493/cyclosporine-for-the-treatment-of-lupus-nephritis-in-patients-with-systemic-lupus-erythematosus
#2
Tzu-Han Yang, Tsai-Hung Wu, Yuh-Lih Chang, Hsien-Tzung Liao, Chia-Chen Hsu, Chang-Youh Tsai, Yueh-Ching Chou
AIMS: This study aimed to assess retrospectively the efficacy and safety of cyclosporin A (CsA) therapy in patients with lupus nephritis (LN). MATERIALS AND METHODS: From September 2005 to August 2015, eligible patients with LN undergoing CsA treatment were enrolled in the study. Medical charts as well as clinical and laboratory data were retrospectively reviewed. The data were evaluated at 0, 1, 6, 12 month(s) after the start of CsA. Serum creatinine (SCr), estimated glomerular filtration rate (eGFR), urine protein/creatinine ratio (uPCR), complement components C3, C4, and anti-double stranded DNA antibody (anti-dsDNA) titers were recorded...
January 10, 2018: Clinical Nephrology
https://www.readbyqxmd.com/read/29285480/comparison-study-on-the-effect-of-treatment-decision-based-on-renal-biopsy-and-clinical-symptoms-in-the-outcome-of-patients-with-recurrent-lupus-nephritis
#3
Hadi Karimzadeh, Shokrollah Hasani, Zahra Sayedbonakdar, Ali Mehrabi Koushki
Background: Renal involvement in systemic lupus erythematous is one of the most serious complications. The aim of this study was to compare the effects of treatment decisions based on clinical symptoms and renal biopsy on the outcome of patients with recurrent lupus nephritis. Materials and Methods: This descriptive study was conducted in 2012-13 in the Alzahra hospital on patients with lupus nephritis who had referred to the rheumatology clinic of this center due to lupus nephritis relapse...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29191376/clinical-histological-immunological-presentations-and-outcomes-of-bullous-systemic-lupus-erythematosus-10-new-cases-and-a-literature-review-of-118-cases
#4
Tullia de Risi-Pugliese, Fleur Cohen Aubart, Julien Haroche, Philippe Moguelet, Sabine Grootenboer-Mignot, Alexis Mathian, Saskia Ingen-Housz-Oro, Miguel Hie, Noémie Wendremaire, Françoise Aucouturier, François Lepelletier, Makoto Miyara, Brigitte Bader-Meunier, Philippe Rémy, Nicole Fabien, Camille Francès, Stéphane Barete, Zahir Amoura
BACKGROUND: Bullous systemic lupus erythematosus (BSLE) is a rare blistering condition associated with systemic lupus erythematosus (SLE). PATIENTS AND METHODS: We conducted a multi-center retrospective study and literature review in order to describe the clinical, immunological, and histological presentations and outcomes of BSLE. The skin biopsies were centrally reviewed, and sera obtained during a flare of BSLE were analyzed for identification of circulating anti-basement membrane zone antibodies...
November 4, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29181621/monocyte-chemoattractant-protein-1-as-a-marker-of-systemic-lupus-erythematosus-an-observational-study
#5
Valentina Živković, Tatjana Cvetković, Branka Mitić, Bojana Stamenković, Sonja Stojanović, Biljana Radovanović-Dinić, Vladimir Jurišić
There is a pivotal need for new markers to be tested in every day clinical practice for systemic lupus erythematosus (SLE) and lupus nephritis (LN). The levels of monocyte chemoattractant protein-1 (MCP-1) in the serum and urine of 72 SLE patients (27 with LN and 45 without LN involvement) and 30 healthy individuals were studied to establish their clinical significance. The SLE Disease Activity Index (SLEDAI) was used to establish the disease activity. Urine and serum MCP-1 was determined using the sandwich enzyme immunosorbent assay...
November 27, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29104670/expression-of-foxp3-in-renal-tissue-of-patients-with-hbv-associated-glomerulonephritis-and-their-clinical-and-pathological-characteristics
#6
Wenge Zhao, Yanli Ma, Mingmin Wang, Changhe Shi, Jianping Sun, Kaiqiu Chu, Chuansheng Liu
Our study retrospectively investigated the expression of forkhead/winged helix transcription factor (Foxp3) in renal tissue and clinical features of patients with hepatitis B virus (HBV)-associated glomerulonephritis (HBV-GN). A total of 58 patients with HBV-GN were assigned to group A; 45 serum and renal tissue HBsAg-negative patients with nephritis were group B; 24 serum HBsAg-positive and renal tissue HBsAg-negative patients with slightly increased serum creatinine without nephritis were group C. Clinical manifestations, laboratory indices and renal biopsies were recorded...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29018537/safety-pharmacokinetics-and-pharmacodynamics-of-amg-811-an-anti-interferon-%C3%AE-monoclonal-antibody-in-sle-subjects-without-or-with-lupus-nephritis
#7
Michael J Boedigheimer, David A Martin, Zahir Amoura, Jorge Sánchez-Guerrero, Juanita Romero-Diaz, Alan Kivitz, Cynthia Aranow, Tak Mao Chan, Yip Boon Chong, Kit Chiu, Christine Wang, Winnie Sohn, Gregory E Arnold, Michael A Damore, Andrew A Welcher, Barbara A Sullivan, Brian L Kotzin, James B Chung
OBJECTIVE: To evaluate safety, pharmacokinetics and pharmacodynamics of anti-interferon (IFN)-γ monoclonal antibody AMG 811 in subjects with SLE without or with lupus nephritis (LN). METHODS: In this phase Ib, randomised, multiple-dose escalation study (NCT00818948), subjects without LN were randomised to subcutaneous AMG 811 (6, 20 or 60 mg) or placebo and subjects with LN were randomised to subcutaneous AMG 811 (20, 60 or 120 mg) or placebo every four weeks for three total doses...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/28954590/tubular-basement-membrane-immune-complex-deposition-is-associated-with-activity-and-progression-of-lupus-nephritis-a-large-multicenter-chinese-study
#8
H Wang, J Xu, X Zhang, Y L Ren, M Cheng, Z L Guo, J C Zhang, H Cheng, G L Xing, S X Wang, F Yu, M H Zhao
Tubulointerstitial injury is found frequently in lupus nephritis. Immune complex deposits can occur in the tubular basement membranes (TBMs), although its significance in lupus nephritis patients remains unclear. This study assessed the clinical and prognostic features of lupus nephritis patients with TBM deposits in a large Chinese multicenter cohort. Complete data were collected from 195 patients with renal biopsy-proven lupus nephritis diagnosed in the Peking University First Hospital as the discovery cohort...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28926602/autoimmune-disease-mouse-model-exhibits-pulmonary-arterial-hypertension
#9
Koichi Sugimoto, Kazuhiko Nakazato, Akihiko Sato, Satoshi Suzuki, Akiomi Yoshihisa, Takeshi Machida, Shu-Ichi Saitoh, Hideharu Sekine, Yasuchika Takeishi
BACKGROUND: Pulmonary arterial hypertension is often associated with connective tissue disease. Although there are some animal models of pulmonary hypertension, an autoimmune disease-based model has not yet been reported. MRL/lpr mice, which have hypergammaglobulinemia, produce various autoimmune antibodies, and develop vasculitis and nephritis spontaneously. However, little is known about pulmonary circulation in these mice. In the present study, we examined the pulmonary arterial pressure in MRL/lpr mice...
2017: PloS One
https://www.readbyqxmd.com/read/28880016/-5r-5-hydroxytriptolide-ameliorates-anti-glomerular-basement-membrane-glomerulonephritis-in-nzw-mice-by-regulating-fc%C3%AE-receptor-signaling
#10
Qing Qi, Heng Li, Ze-Min Lin, Xiao-Qian Yang, Feng-Hua Zhu, Yu-Ting Liu, Mei-Juan Shao, Lu-Yao Zhang, Yan-Sheng Xu, Yu-Xi Yan, Lan-Lan Sun, Shi-Jun He, Wei Tang, Jian-Ping Zuo
(5R)-5-hydroxytriptolide (LLDT-8) is a novel triptolide analog that has been identified as a promising candidate for treating autoimmune diseases and has been shown to be effective in treating murine collagen-induced arthritis and lupus nephritis. In the present study, we investigated the therapeutic effect and possible mechanism of action of LLDT-8 in a murine anti-glomerular basement membrane (GBM) glomerulonephritis model. NZW mice were injected with rabbit anti-GBM serum (500 μL, ip). The mice were orally treated with LLDT-8 (0...
September 7, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28830653/recombinant-human-igg1-based-fc-multimers-with-limited-fcr-binding-capacity-can-effectively-inhibit-complement-mediated-disease
#11
Haoping Sun, Henrik S Olsen, Emmanuel Y Mérigeon, Edward So, Erin Burch, Susan Kinsey, John C Papadimitriou, Cinthia B Drachenberg, Søren M Bentzen, David S Block, Scott E Strome, Xiaoyu Zhang
There is a lack of effective targeted therapies for the treatment of complement dependent diseases. We developed two recombinant Fc multimers, G207 and G211, with limited ability to interact with low/moderate affinity FcγRs, but with high avidity for C1q. These drugs effectively inhibited complement dependent cytotoxicity (CDC) in vitro, and prevented the deposition of C1q, C3b and MAC, on the surface of Ab-opsonized cells. Importantly, these inhibitory effects were both C1q dependent and independent. In order to determine the biologic relevance of our findings, we evaluated the clinical efficacy of these drugs in three different animal models, acute RBC hemolysis, anti-Thy-1 nephritis and passive Heymann's nephropathy (PHN), in which disease pathophysiology relies preferentially on complement activation...
August 19, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28757276/value-of-immunohistochemical-expression-of-podocalyxin-in-active-lupus-nephritis
#12
Maha Abdelmoneim Behairy, Marwa Mosaad Shakweer, Tamer Wahid El Said, Nermin Hassan ElGharbawy
Podocalyxin is an electronegative sialoglycoprotein that prevents the podocyte foot process from collapsing. The aim of this study was to detect an association between the glomerular immunohistochemical (IHC) expression of podocalyxin and the degree of podocyte effacement detected by electron microscopy, and to evaluate the role of podocalyxin IHC expression as a novel marker for disease activity in lupus nephritis (LN). METHODS: Thirty-two renal biopsies of active lupus nephritis patients were studied...
July 27, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28753077/low-dose-cyclosporine-a-in-the-treatment-of-resistant-proliferative-lupus-nephritis
#13
Marjan Sheikholeslami, Mehrzad Hajialilo, Seyed Sadreddin Rasi Hashemi, Aida Malek Mahdavi, Morteza Gojazadeh, Alireza Khabbazi
OBJECTIVE: This study aimed to evaluate long-term efficacy of low dose cyclosporine A (CsA) in the treatment of resistant proliferative lupus nephritis. METHODS: In this retrospective study, patients with biopsy proven proliferative lupus nephritis who were unresponsive to combination therapy with steroid plus mycophenolate mofetil (MMF) or cyclophosphamide (CYC) and had been treated with CsA were included. Efficacy monitoring was based on the systemic lupus erythematosus (SLE) disease activity index, dose of prednisolone, serum complement, anti-double stranded DNA (anti-dsDNA) titration, urine analysis, proteinuria, creatinine clearance, remission of the renal disease, renal survival and involvement of other organs...
July 28, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28745692/-changes-in-the-complement-system-in-membranoproliferative-glomerulonephritis
#14
V A Yurova, L A Bobrova, N L Kozlovskaya, Yu V Korotchaeva, A G Serova, L V Kozlov, S S Andina, K A Demyanova, A M Kuchieva, S V Roshchupkina
AIM: To compare the clinical manifestations membranoproliferative glomerulonephritis (MPGN) in its idiopathic variant, lupus nephritis (LN), and C3 glomerulopathy (C3-GP), by comparing them with changes in the complement system. SUBJECTS AND METHODS: The clinic of nephrology followed up 42 patients with different types of MPGN in 2013 to 2015. The study included 35 patients divided into 3 groups: 1) 8 patients with C3-GP, 2) 13 with idiopathic MPGN; 3) 14 with Class IV LN...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28732643/development-and-internal-validation-of-a-prediction-model-to-estimate-the-probability-of-needing-aggressive-immunosuppressive-therapy-with-cytostatics-in-de-novo-lupus-nephritis-patients
#15
Mauricio Restrepo-Escobar, Paula Andrea Granda-Carvajal, Fabián Jaimes
OBJECTIVE: To develop a multivariable clinical prediction model for the requirement of aggressive immunosuppression with cytostatics, based on simple clinical record data and lab tests. The model is defined in accordance with the result of the kidney biopsies. METHODS: Retrospective study conducted with data from patients 16 years and older, with SLE and nephritis with less than 6 months of evolution. An initial bivariate analysis was conducted to select the variables to be included in a multiple logistic regression model...
July 18, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28683778/unusual-acute-lupus-hemophagocytic-syndrome-a-test-of-diagnostic-criteria-a-case-report
#16
Wijetunga Mudalige Udai Akalanka Wijetunga, Ravindra Laxman Satarasinghe, Balasuriya Mudiyanselage Dayananda, Ganhewage Kokila Darshani
BACKGROUND: Hemophagocytic lymphohistiocytosis is an aggressive life-threatening syndrome of excessive immune activation. Hemophagocytic lymphohistiocytosis due to systemic lupus erythematosus is described as acute lupus hemophagocytic syndrome. Acute lupus hemophagocytic syndrome presenting with negative antinuclear antibody is uncommon. CASE PRESENTATION: A 57-year-old Sri Lankan woman presented with intermittent fever, weight loss, episodic confusion, and alopecia for 3 months...
July 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28658762/role-of-immunofluorescence-in-adult-onset-nephrotic-syndrome-a-study-in-a-tertiary-care-centre-of-western-india
#17
Sharada Rane, Prerana Mutyal, Nicholas Dcunha, Mayur Parkhi, Meenal Jadhav
INTRODUCTION: Study of renal Immunofluorescence (IF) is an ancillary but essential technique in evaluation of renal biopsies in glomerulopathies and also it enlightens on the pathogenesis of nephrotic syndrome. AIM: To determine the role of IF in evaluating definite subtyping and diagnosis of adult onset nephrotic syndrome and attempting clinicopathological correlation. MATERIALS AND METHODS: A total of 52 patients of adult onset nephrotic syndrome were evaluated clinically and with pertinent investigations; and subjected to USG guided percutaneous renal biopsy which was processed and stained for light microscopy and for immunofluorescence by direct method (DIF) using antibodies against IgG, IgM, IgA and C3...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28647487/does-pregnancy-have-any-impact-on-long-term-damage-accrual-and-on-the-outcome-of-lupus-nephritis
#18
Davide Gianfreda, Silvana Quaglini, Giulia Frontini, Francesca Raffiotta, Piergiorgio Messa, Gabriella Moroni
No data are available about the impact of pregnancy on the long-term outcome of lupus nephritis. Thirty-two women with lupus nephritis with a 10-year follow-up after their first pregnancy ("women who gave birth") and 64 matched controls with the same follow-up and who never had pregnancies ("controls") were compared for the occurrence of SLE flares, chronic kidney disease (CKD), and SLICC/ACR Damage Index (SDI) in the post pregnancy period. The same evaluations were done before and after pregnancy in women who gave birth...
November 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28626064/monitoring-c3ar-expression-using-a-floxed-tdtomato-c3ar-reporter-knock-in-mouse
#19
Katharina M Quell, Christian M Karsten, Anna Kordowski, Larissa Nogueira Almeida, Daria Briukhovetska, Anna V Wiese, Jing Sun, Fanny Ender, Konstantina Antoniou, Torsten Schröder, Inken Schmudde, Johann L Berger, Peter König, Tillman Vollbrandt, Yves Laumonnier, Jörg Köhl
C3a exerts multiple biologic functions through activation of its cognate C3a receptor. C3(-/-) and C3aR(-/-) mice have been instrumental in defining important roles of the C3a/C3aR axis in the regulation of acute and chronic inflammatory diseases, including ischemia/reperfusion injury, allergic asthma, autoimmune nephritis, and rheumatoid arthritis. Surprisingly little is known about C3aR expression and function in immune and stromal cells. To close this gap, we generated a floxed tandem-dye Tomato (tdTomato)-C3aR reporter knock-in mouse, which we used to monitor C3aR expression in cells residing in the lung, airways, lamina propria (LP) of the small intestine, brain, visceral adipose tissue, bone marrow (BM), spleen, and the circulation...
July 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28614243/different-types-of-glomerulonephritis-associated-with-the-dysregulation-of-the-complement-alternative-pathway-in-2-brothers-a-case-report
#20
Pei Chen, Li Zhu, Feng Yu, Sha-Sha Han, Si-Jun Meng, Wei-Yi Guo, Hong Zhang, Yan Song
RATIONALE: C3 glomerulonephritis (C3GN) and complement-mediated hemolytic uremic syndrome (HUS) both result from the abnormal regulation of the complement system. A significant number of patients with C3GN or complement-mediated HUS have mutations of more than 1 complement protein. This discovery has had a major impact on identifying the underlying cause of familial C3GN or complement-mediated HUS. PATIENT CONCERNS: We report the cases of 2 brothers (herein referred to as patient II-1 and patient II-9), both with complement disorders that differed in their clinical and genetic features...
June 2017: Medicine (Baltimore)
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