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https://www.readbyqxmd.com/read/28933339/incidence-and-outcome-of-lupus-nephritis-in-french-polynesia%C3%A2
#1
Antoine Delarche, Catherine Lumbroso, Alain Fournier, Ronan Delaval, Jacques Pourrat, Pascale Testevuide, Sylvie Leou, Christophe Cordonnier, Dominique Chauveau, Stanislas Faguer
OBJECTIVE: Outcomes of systemic lupus erythematosus (SLE) and lupus nephritis (LN) are highly heterogeneous among some populations because of interactions between genetic, epigenetic, environmental, and socioeconomic factors. A better characterization of social and ethnic disparities in mixed populations may thus help to develop individualized treatment regimens. MATERIALS AND METHODS: Retrospective observational study including all patients with LN diagnosed between January 1993 and January 2014 in the only Nephrology Department of French Polynesia...
September 21, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28927317/worse-renal-outcome-of-subclass-iv-g-lupus-nephritis-patients-over-iv-s
#2
E J Duque de Sá Carneiro Filho, L B Jorge, L Testagrossa, C Bitencourt, L Yu, V Woronik
Background International Society of Nephrology/ Renal Pathology Society (ISN/RPS) consensus on the classification of lupus nephritis (LN) subdivided class IV into diffuse segmental (IV-S) and diffuse global (IV-G). Nephrologists and nephropathologists believe that this subclassification would be clinically relevant based on hypothetical distinct immunopathogenesis of those subclasses guiding therapy as well as judging prognosis. Methods All adult patients with a renal biopsy-confirmed diagnosis of LN class IV undergoing regular follow-up in the Nephrology Division between January 2004 and December 2014 were enrolled excluding those with diabetes, hepatitis B, hepatitis C, HIV as well as those with insufficient clinical and hystopathological data...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28904681/clinicopathological-findings-and-outcome-of-lupus-nephritis-in-tunisian-children-a-review-of-43-patients
#3
Hela Jebali, Meriam Hajji, Lamia Rais, Fethi Ben Hamida, Soumaya Beji, Mohammed Karim Zouaghi
We report clinical and renal histological data, treatment modalities and outcome of 43 Tunisian children with biopsy-proven lupus nephritis seen over a 23-year period. There were 39 girls and 4 boys with a mean age of 12.5 years at diagnosis of lupus nephritis and followed for a mean period of 77 months. Renal symptoms included urinary abnormalities in all patients, hypertension in 40% of cases, nephrotic syndrome in 60% of cases and renal failure in 25% of cases. Class IV and class III nephritis were observed in 48...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28904255/predictors-of-favorable-responses-to-immunosuppressive-treatment-in-pulmonary-arterial-hypertension-associated-with-connective-tissue-disease
#4
Hidekata Yasuoka, Yuichiro Shirai, Yuichi Tamura, Tsutomu Takeuchi, Masataka Kuwana
BACKGROUND: The potential efficacy of immunosuppressive (IS) treatment has been reported in patients with pulmonary arterial hypertension (PAH) associated with connective tissue disease (CTD), but its positioning in the treatment algorithm remains uncertain. The aim of this study was to identify predictors of favorable responses to first-line IS treatment.Methods and Results:This single-center retrospective study included 30 patients with PAH accompanied by systemic lupus erythematosus (SLE), mixed CTD (MCTD), or primary Sjögren's syndrome (SS) who received first-line IS treatment alone or in combination with pulmonary vasodilators...
September 12, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28901731/response-to-combination-of-mycophenolate-mofetil-cyclosporin-a-and-corticosteroid-treatment-in-lupus-nephritis-patients-with-persistent-proteinuria
#5
Nuntana Kasitanon, Pornkamon Boripatkosol, Worawit Louthrenoo
OBJECTIVE: To study the response of lupus nephritis (LN) patients with persistent proteinuria (≥ 1 g/day after ≥ 6 months corticosteroid and single immunosuppressant treatment, or ≥ 3 g/day after ≥ 3 months of corticosteroid and single immunosuppressant treatment) to corticosteroid combined with two immunosuppressants, and to evaluate associated factors of response within 1 year. METHOD: A retrospective study of proteinuria and renal function observed in LN patients with persistent proteinuria after adding a second immunosuppressant at 3, 6, 9 and 12 months...
September 13, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28899868/b-cell-derived-il-6-initiates-spontaneous-germinal-center-formation-during-systemic-autoimmunity
#6
Tanvi Arkatkar, Samuel W Du, Holly M Jacobs, Elizabeth M Dam, Baidong Hou, Jane H Buckner, David J Rawlings, Shaun W Jackson
Recent studies have identified critical roles for B cells in triggering autoimmune germinal centers (GCs) in systemic lupus erythematosus (SLE) and other disorders. The mechanisms whereby B cells facilitate loss of T cell tolerance, however, remain incompletely defined. Activated B cells produce interleukin 6 (IL-6), a proinflammatory cytokine that promotes T follicular helper (TFH) cell differentiation. Although B cell IL-6 production correlates with disease severity in humoral autoimmunity, whether B cell-derived IL-6 is required to trigger autoimmune GCs has not, to our knowledge, been addressed...
September 12, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28877866/european-evidence-based-recommendations-for-the-diagnosis-and-treatment-of-childhood-onset-lupus-nephritis-the-share-initiative
#7
Noortje Groot, Nienke de Graeff, Stephen D Marks, Paul Brogan, Tadej Avcin, Brigitte Bader-Meunier, Pavla Dolezalova, Brian M Feldman, Isabelle Kone-Paut, Pekka Lahdenne, Liza McCann, Seza Özen, Clarissa A Pilkington, Angelo Ravelli, Annet van Royen-Kerkhof, Yosef Uziel, Bas J Vastert, Nico M Wulffraat, Michael W Beresford, Sylvia Kamphuis
Lupus nephritis (LN) occurs in 50%-60% of patients with childhood-onset systemic lupus erythematosus (cSLE), leading to significant morbidity. Timely recognition of renal involvement and appropriate treatment are essential to prevent renal damage. The Single Hub and Access point for paediatric Rheumatology in Europe (SHARE) initiative aimed to generate diagnostic and management regimens for children and adolescents with rheumatic diseases including cSLE. Here, we provide evidence-based recommendations for diagnosis and treatment of childhood LN...
September 6, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28861170/mir-663a-mir-423-5p-are-involved-in-the-pathogenesis-of-lupus-nephritis-via-modulating-the-activation-of-nf-%C3%AE%C2%BAb-by-targeting-tnip2
#8
Weisong Wang, Junjie Gao, Fangli Wang
Lupus nephritis (LN) is a kidney disorder resulting from systemic lupus erythematosus (SLE), an autoimmune inflammatory disease. MicroRNAs (miRNAs) have emerged as a new class of therapeutic targets in LN treatment, but how they specifically contribute to the disease development remains unknown. In this study, the expression of miR-663a/miR-423-5p and TNIP2 were compared between human renal biopsy tissues from LN patients and renal cell carcinoma patients. Additionally, the LN mouse model was used to measure the levels of miR-663a/miR-423-5p and TNIP2 in the control group and the experiment group...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28820361/the-clinical-relevance-of-repeat-renal-biopsies-in-the-management-of-lupus-nephritis-a-south-african-experience
#9
E K Tannor, W D Bates, M R Moosa
Purpose Clinically, repeat renal biopsies (RRBs) have been performed in lupus nephritis to identify changes in class, plan treatment and assist in prognostication. We set out to compare the histopathological features and outcomes of disease flare and protocol biopsy patients. Methods A retrospective descriptive study was conducted on repeat biopsies performed between January 1984 and December 2015 in lupus nephritis patients. Disease flares and protocol biopsies were compared. Results Of 614 systemic lupus erythematosus (SLE) renal biopsies, 127 (20...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28819535/clinical-features-and-antinuclear-antibodies-profile-among-adults-with-systemic-lupus-erythematosus-and-lupus-nephritis-a-cross-sectional-study
#10
Nashwa Ahmed, Mazin Shigidi, Al Nour Al Agib, Hassan Abdelrahman, Elshafie Taha
INTRODUCTION: Limited data is available regarding the clinical manifestations and pattern of Systemic Lupus Erythematosus (SLE) in Sudan. This study aimed to determine the clinical manifestations and Antinuclear Antibodies (ANA) profile among Sudanese adults with SLE and lupus nephritis (LN). METHODS: A descriptive study was conducted in Omdurman Military Hospital, Sudan. It included all adults with SLE and on regular follow-up during the study period (December 2012 to May 2013)...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28814662/irgm1-coordinately-regulates-autoimmunity-and-host-defense-at-select-mucosal-surfaces
#11
Kathleen M Azzam, Jennifer H Madenspacher, Derek W Cain, Lihua Lai, Kymberly M Gowdy, Prashant Rai, Kyathanahalli Janardhan, Natasha Clayton, Willie Cunningham, Heather Jensen, Preeyam S Patel, John F Kearney, Gregory A Taylor, Michael B Fessler
The pathogenesis of primary Sjogren's syndrome (SS), an autoimmune disease that targets the mucosa of exocrine tissues, is poorly understood. Although several mouse models have been developed that display features of SS, most of these are within the larger context of a lupus-like presentation. Immunity-related GTPase family M protein 1 (Irgm1) is an interferon-inducible cytoplasmic GTPase that is reported to regulate autophagy and mitochondrial homeostasis. Here, we report that naive Irgm1-/- mice display lymphocytic infiltration of multiple mucosal tissues including the lung in a manner reminiscent of SS, together with IgA class-predominant autoantibodies including anti-Ro and anti-La...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28799839/renal-outcome-after-kidney-transplantation-in-korean-patients-with-lupus-nephritis
#12
E S Park, S S Ahn, S M Jung, J J Song, Y-B Park, S-W Lee
We investigated renal outcome of kidney-transplantation in 19 Korean recipients with biopsy-proven lupus nephritis and compared it with 18 Korean age- and gender-matched recipients without lupus nephritis who were diagnosed with end-stage renal disease caused by renal diseases other than lupus nephritis in a single centre. We reviewed histological findings of kidneys and calculated cumulative dose of immunosuppressive agents. We assessed renal flare of systemic lupus erythematosus, recurrence of lupus nephritis and graft failure as prognosis...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28789968/b-cell-phenotypes-signaling-and-their-roles-in-secretion-of-antibodies-in-systemic-lupus-erythematosus
#13
Yoshiya Tanaka, Satoshi Kubo, Shigeru Iwata, Maiko Yoshikawa, Shingo Nakayamada
B cells play a pivotal role in the initiation and perpetuation of SLE. Because SLE is molecularly and clinically heterogeneous, efficacious targeted therapy to clinical remission has not yet been established in SLE. We have found i) statistical clustering between Tfh cells and class-switched memory B cells and the upregulated transition from CXCR5(+) IgM memory B cells to CXCR3(+) class-switched memory B cells in SLE by 8-color flow cytometry, ii) the involvement of Syk, Btk and JAK in the activation and differentiation of B cells in SLE, iii) SLE patients was divided to 3 groups based on immunophenotypic analysis and statistical analysis and patients in the Tfh/class-switched B cell-dominant group were most refractory to conventional therapies although 3 groups had similar clinical features...
August 5, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28780657/combination-therapy-of-rituximab-and-mycophenolate-mofetil-in-childhood-lupus-nephritis
#14
Julien Hogan, Astrid Godron, Véronique Baudouin, Theresa Kwon, Jérôme Harambat, Georges Deschênes, Olivier Niel
BACKGROUND: In clinical trials, the addition of rituximab (RTX) to the combination therapeutic regimen of mycophenolate mofetil (MMF) and corticosteroids failed to improve outcome in lupus nephritis (LN). However, recent data suggest that RTX may have steroid-sparing beneficial effects with an efficacy similar to that of conventional regimens. We report our experience with RTX in the treatment of children with LN. METHODS: Patients treated with RTX for first occurrence of LN class III to V were enrolled in the study...
August 5, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28769820/inhibition-of-toll-like-receptor-signaling-as-a-promising-therapy-for-inflammatory-diseases-a-journey-from-molecular-to-nano-therapeutics
#15
REVIEW
Wei Gao, Ye Xiong, Qiang Li, Hong Yang
The recognition of invading pathogens and endogenous molecules from damaged tissues by toll-like receptors (TLRs) triggers protective self-defense mechanisms. However, excessive TLR activation disrupts the immune homeostasis by sustained pro-inflammatory cytokines and chemokines production and consequently contributes to the development of many inflammatory and autoimmune diseases, such as systemic lupus erythematosus (SLE), infection-associated sepsis, atherosclerosis, and asthma. Therefore, inhibitors/antagonists targeting TLR signals may be beneficial to treat these disorders...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28762647/renal-histology-in-indigenous-australians-with-lupus-nephritis
#16
Farshad Ghazanfari, Zulfikar Jabbar, Johannes Nossent
BACKGROUND: Lupus nephritis (LN) is a feared complication of systemic lupus erythematosus (SLE). Renal biopsy is valuable to assess disease severity and prognosis, but no histological data are available for Indigenous Australians (IA). We compared histopathology between IA and non-IA patients (NI) with LN in northern Australia and describe main outcomes. METHODS: Retrospective cohort study of all patients with biopsy evidence of LN at Royal Darwin Hospital over a 10-year period...
August 1, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28762055/gulf-war-illness-gwi-as-a-neuroimmune-disease
#17
Apostolos P Georgopoulos, Lisa M James, Adam F Carpenter, Brian E Engdahl, Arthur C Leuthold, Scott M Lewis
Gulf War illness (GWI) is a chronic disease characterized by the involvement of several organs, including the brain (Christova et al., Exp Brain Res doi: 10.1007/s00221-017-5010-8 , 2017). In a previous study (Georgopoulos et al., J Neural Eng 4:349-355, 2015), we identified six protective alleles from Class II human leukocyte antigen (HLA) genes, and more recently, we investigated the brain correlates of this protection (James et al., EBioMedicine 13:72-79, 2016). Those and other studies (Israeli, Lupus, 21:190-194, 2012) suggested an involvement of the immune system in GWI...
July 31, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28757276/value-of-immunohistochemical-expression-of-podocalyxin-in-active-lupus-nephritis
#18
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/28756384/treatment-and-clinicopathological-characteristics-of-lupus-nephritis-with-anti-neutrophil-cytoplasmic-antibody-positivity-a-case-control-study
#19
Cui Li, Min-Lin Zhou, Dan-Dan Liang, Jing-Jing Wang, Jing Yang, Cai-Hong Zeng, Zhi-Hong Liu, Hai-Tao Zhang
OBJECTIVE: To assess the clinical features, pathological presentations, treatments and outcomes of lupus nephritis (LN) with anti-neutrophil cytoplasmic antibody (ANCA) positivity. DESIGN: A case-control study. METHODS: Patients (n=49) were retrospectively included from Jinling Hospital in China if presenting with biopsy-proven ANCA-positive LN between 1985 and 2008. Clinicopathological characteristics and outcomes were analysed and compared with those of a control group (n=1279)...
July 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28754791/association-analysis-of-the-mhc-in-lupus-nephritis
#20
Ricong Xu, Qibin Li, Rongjun Liu, Juan Shen, Ming Li, Minghui Zhao, Meng Wang, Qijun Liao, Haiping Mao, Zhijian Li, Na Zhou, Peiran Yin, Yue Li, Xueqing Tang, Tian Wu, Zhong Zhong, Yan Wang, Zhen Ai, Ou Wang, Nan Chen, Xiaoqin Yang, Junbin Fang, Ping Fu, Jieruo Gu, Kun Ye, Jian Chen, Lie Dai, Huafeng Liu, Zhangsuo Liu, Yunhua Liao, Jianxin Wan, Guohua Ding, Jinghong Zhao, Hao Zhang, Shuxia Fu, Liangdan Sun, Xuejun Zhang, Huanming Yang, Jian Wang, Jun Wang, Jianjun Liu, Yingrui Li, Xueqing Yu
Lupus nephritis (LN) is one of the most prevalent and serious complications of SLE, with significant effects on patient and renal survival. Although a large number of genetic variants associated with SLE have been identified, biomarkers that correlate with LN are extremely limited. In this study, we performed a comprehensive sequencing analysis of the whole MHC region in 1331 patients with LN and 1296 healthy controls and validated the independent associations in another 950 patients with LN and 1000 controls...
July 28, 2017: Journal of the American Society of Nephrology: JASN
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