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https://www.readbyqxmd.com/read/27923701/prognostic-significance-of-repeat-biopsy-in-lupus-nephritis-histopathologic-worsening-and-a-short-time-between-biopsies-is-associated-with-significantly-increased-risk-for-end-stage-renal-disease-and-death
#1
Cristina Arriens, Sixia Chen, David R Karp, Ramesh Saxena, Kamalanathan Sambandam, Eliza Chakravarty, Judith A James, Joan T Merrill
BACKGROUND/PURPOSE: Approximately half of patients with systemic lupus erythematosus (SLE) develop lupus nephritis (LN), a major cause of morbidity and early mortality in that disease. Prolonged renal inflammation is associated with irreversible kidney damage which confers a 30% risk of end stage renal disease (ESRD), making early, aggressive treatment mandatory. Failure to achieve therapeutic response or recurrence of renal flare often prompts repeat biopsy. However, the role of repeat biopsy in determining long-term renal prognosis remains controversial...
December 3, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27921164/m-type-phospholipase-a2-receptor-pla2r-glomerular-staining-in-pediatric-idiopathic-membranous-nephropathy
#2
Shoichiro Kanda, Shigeru Horita, Takeshi Yanagihara, Akira Shimizu, Motoshi Hattori
BACKGROUND: Identifying M-type phospholipase A2 receptor (PLA2R) is a landmark breakthrough for understanding adult idiopathic membranous nephropathy (iMN). However, potential roles for PLA2R in pediatric iMN have not been well investigated. METHODS: A total of 34 pediatric iMN patients who underwent kidney biopsy between 1972 and 2015 were enrolled in this study. The study cohort consisted of 15 children aged from 3 to 9 years and 19 aged from 10 to 15 years...
December 5, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27914701/il-2-anti-il-2-complexes-ameliorate-lupus-nephritis-by-expansion-of-cd4-cd25-foxp3-regulatory-t%C3%A2-cells
#3
Ji-Jing Yan, Jae-Ghi Lee, Joon Young Jang, Tai Yeon Koo, Curie Ahn, Jaeseok Yang
Adoptive transfer of regulatory T cells (Tregs) can delay disease progression and reduce mortality in lupus-prone mice. Here, we tested whether complex (IL-2C) consisting of IL-2 and anti-IL-2 monoclonal antibody (JES6-1) ameliorates lupus nephritis by expanding Tregs as an alternative to problematic Treg infusion therapy. IL-2C treatment of NZB/W F1 mice induced an effective and sustained expansion of CD4(+)CD25(+)Foxp3(+) Tregs in both the kidneys and spleen along with decreased renal infiltration of T cells, B cells, and innate immune cells...
November 30, 2016: Kidney International
https://www.readbyqxmd.com/read/27913748/a-3-year-follow-up-of-a-patient-with-acute-renal-failure-caused-by-thrombotic-microangiopathy-related-to-antiphospholipid-syndrome-case-report
#4
X-J Zhou, M Chen, S-X Wang, F-D Zhou, M-H Zhao
BACKGROUND: Microvascular manifestations of antiphospholipid antibody syndrome in the kidneys include acute renal failure, thrombotic microangiopathy and hypertension. Therapy has been largely empiric. CASE REPORT: A 49-year-old Chinese man presented with anuric acute renal failure without abundant proteinuria and heavy haematuria, but markedly low levels of urinary sodium, potassium and chlorine upon admission. On day 1 of hospitalization, his thrombocytopenia, anaemia and renal failure showed rapid progression...
December 2, 2016: Lupus
https://www.readbyqxmd.com/read/27900972/failure-to-thrive-and-nephrocalcinosis-due-to-distal-renal-tubular-acidosis-a-rare-presentation-of-pediatric-lupus-nephritis
#5
Madhumita Nandi, Mrinal Kanti Das, Sukanta Nandi
A 9-year-old female child was initially diagnosed of having nephrocalcinosis with distal renal tubular acidosis (dRTA) while investigating for short stature. She later on developed features of nephrotic syndrome (NS) while on treatment for RTA. Investigation for the cause of NS revealed very strong serological evidence in favor of systemic lupus erythematosus (SLE). Histopathological confirmation could not be done due to bilateral severely contracted kidneys. There are a few case reports of dRTA as the presentation of SLE, but nephrocalcinosis with dRTA with subsequent manifestation of SLE has hitherto not been reported in literature...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27884116/kidney-disease-in-the-elderly-biopsy-based-data-from-14-renal-centers-in-poland
#6
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/27881396/involvement-of-infiltrating-macrophage-derived-activin-a-in-the-progression-of-renal-damage-in-mrl-lpr-mice
#7
Anastasie Thilela Kadiombo, Akito Maeshima, Ken Kayakabe, Hidekazu Ikeuchi, Toru Sakairi, Yoriaki Kaneko, Keiju Hiromura, Yoshihisa Nojima
Lupus nephritis is a life-threatening complication of systemic lupus erythematosus (SLE). Various growth factors, cytokines, and chemokines are implicated in the development of SLE. However, the pathophysiological processes involved in the development of lupus nephritis still remain unclear. In this study, we examined the involvement of activin A, a member of TGF-β superfamily, in the progression of renal damage in lupus-prone MRL-lpr mice. Activin A was was not expressed in the kidneys of normal C57BL/6 mice but was detectable in perivascular infiltrating CD68-positive cells in the kidneys of MRL-lpr mice...
November 23, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27878241/hsa%C3%A2-mir%C3%A2-371%C3%A2-5p-inhibits-human-mesangial-cell-proliferation-and-promotes-apoptosis-in-lupus-nephritis-by-directly-targeting-hypoxia%C3%A2-inducible-factor-1%C3%AE
#8
Feifei Yao, Liqiu Sun, Wei Fang, Huamin Wang, Dongsheng Yao, Rui Cui, Jia Xu, Li Wang, Xiumei Wang
MicroRNAs (miRNAs/miR) have emerged as a novel class of gene expression modulators in kidney disease. Lupus nephritis (LN) is the predominant cause of morbidity and mortality in patients with systemic lupus erythematosus (SLE). Hsa‑miR‑371‑5p has previously been reported to be dysregulated in LN using a miRNA microarray analysis. The present study aimed to determine the function and molecular mechanisms of hsa‑miR‑371‑5p in human mesangial cells of LN. Quantitative polymerase chain reaction (qPCR) was used to detect hsa‑miR‑371‑5p expression in LN tissues...
November 14, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27865435/-the-pulse-mass-index-as-a-predictor-of-cardiovascular-events-in-women-with-systemic-lupus-erythematosus
#9
Elsy Aidé García-Villegas, Horacio Márquez-González, Luis Felipe Flores-Suárez, Antonio Rafael Villa-Romero
BACKGROUND: Patients with systemic lupus erythematosus (SLE) have 3times the risk of death compared to the rest of the population, with cardiovascular events (CVD) being one of the main causes. Índices such as waist-height (W-Ht I), waist-hip (W-Hp I) and pulse-mass (PMI) predict CVD, though the behaviour is unknown in patients with SLE. The aim of this study was to determine the prognostic value of PMI in the development of CVD in premenopausal women with SLE. METHODOLOGY: Cohort study...
November 16, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27864659/immune-complexes-and-complexity-investigating-mechanisms-of-renal-disease
#10
Jonathan A Lindquist, Josephine Hildebrandt, Lars Philipsen, Peter R Mertens
The deposition of immune complexes is the causal factor in distinct renal pathologies, e.g., lupus nephritis and membranous nephritis. The location of these deposits within a tissue biopsy is often the key to establishing a diagnosis. However, how immune complexes come to be deposited below the vascular endothelium was, until now, a mystery, as was their contribution to inducing inflammation. A recent paper in Cell by Stamatiades et al. (Cell 164(4):991-1003, 2016) demonstrates the active transport of immune complexes by the vascular endothelial cells and an Fc receptor-dependent uptake by tissue-resident macrophages...
November 18, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27861383/living-donor-renal-transplantation-in-patients-with-antiphospholipid-syndrome-a-case-report
#11
Ji Yoon Choi, Joo Hee Jung, Sung Shin, Young Hoon Kim, Duck Jong Han
INTRODUCTION: Antiphospholipid syndrome (APS), autoantibodies directed against phospholipid-binding proteins are associated with cause vascular thrombosis. Patients with APS requiring renal transplantation are at risk of early graft loss due to arterial or venous thrombosis, or thrombotic microangiopathy (TMA). Here, we report 3 cases of successful renal transplantation in patients with APS. CLINICAL FINDINGS: A 53-year-old man with end-stage renal disease (ESRD) had experienced bilateral deep venous thrombosis (DVT) in the lower extremities 16 years ago and was administered warfarin...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27859053/b-cell-intrinsic-function-of-tapp-adaptors-in-controlling-germinal-center-responses-and-autoantibody-production-in-mice
#12
Nipun Jayachandran, Ivan Landego, Sen Hou, Dario R Alessi, Aaron J Marshall
Control of B-cell signal transduction is critical to prevent production of pathological autoantibodies. Tandem PH domain containing proteins (TAPPs) specifically bind PI(3,4)P2, a phosphoinositide product generated by PI 3-kinases and the phosphatase SHIP. TAPP KI mice bearing PH domain-inactivating mutations in both TAPP1 and TAPP2 genes, uncoupling them from PI(3,4)P2, exhibit increased BCR-induced activation of the kinase Akt and develop lupus-like characteristics including anti-DNA antibodies and deposition of immune complexes in kidneys...
November 15, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27855151/advances-in-the-care-of-children-with-lupus-nephritis
#13
Scott E Wenderfer, Natasha M Ruth, Hermine I Brunner
The care of children with lupus nephritis (LN) has changed dramatically over the past 50 years. The majority of patients with childhood-onset systemic lupus erythematosus (cSLE) develop LN. In the 1960's, prognosis in children was worse than in adults; therapies were limited and toxic. Nearly half of cases resulted in death within 2-years. Since this time, several diagnostic recommendations and disease-specific indices have been developed to assist physicians caring for patients with LN. Pediatric researchers are validating and adapting these indices and guidelines for the treatment of LN in cSLE...
November 17, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27846813/granulocyte-colony-stimulating-factor-treatment-ameliorates-lupus-nephritis-through-the-expansion-of-regulatory-t-cells
#14
Ji-Jing Yan, Enkthuya Jambaldorj, Jae-Ghi Lee, Joon Young Jang, Jung Min Shim, Miyeun Han, Tai Yeon Koo, Curie Ahn, Jaeseok Yang
BACKGROUND: Granulocyte colony-stimulating factor (G-CSF) can induce regulatory T cells (Tregs) as well as myeloid-derived suppressor cells (MDSCs). Despite the immune modulatory effects of G-CSF, results of G-CSF treatment in systemic lupus erythematosus are still controversial. We therefore investigated whether G-CSF can ameliorate lupus nephritis and studied the underlying mechanisms. METHODS: NZB/W F1 female mice were treated with G-CSF or phosphate-buffered saline for 5 consecutive days every week from 24 weeks of age, and were analyzed at 36 weeks of age...
November 15, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27843374/potential-serum-and-urine-biomarkers-in-patients-with-lupus-nephritis-and-the-unsolved-problems
#15
REVIEW
Song-Chou Hsieh, Chang-Youh Tsai, Chia-Li Yu
Lupus nephritis (LN) is one of the most frequent and serious complications in the patients with systemic lupus erythematosus. Autoimmune-mediated inflammation in both renal glomerular and tubulointerstitial tissues is the major pathological finding of LN. In clinical practice, the elevated anti-dsDNA antibody titer concomitant with reduced complement C3 and C4 levels has become the predictive and disease-activity surrogate biomarkers in LN. However, more and more evidences suggest that autoantibodies other than anti-dsDNA antibodies, such as anti-nucleosome, anti-C1q, anti-C3b, anti-cardiolipin, anti-endothelial cell, anti-ribonuclear proteins, and anti-glomerular matrix (anti-actinin) antibodies, may also involve in LN...
2016: Open Access Rheumatology: Research and Reviews
https://www.readbyqxmd.com/read/27835701/high-throughput-sequencing-reveals-circulating-mirnas-as-potential-biomarkers-of-kidney-damage-in-patients-with-systemic-lupus-erythematosus
#16
Elkin Navarro-Quiroz, Lisandro Pacheco-Lugo, Hernan Lorenzi, Yirys Díaz-Olmos, Lisneth Almendrales, Edwin Rico, Roberto Navarro, Pierine España-Puccini, Antonio Iglesias, Eduardo Egea, Gustavo Aroca
Renal involvement is one of the most severe manifestations of systemic lupus erythematosus (SLE). Renal biopsy is the gold standard when it comes to knowing whether a patient has lupus nephritis, and the degree of renal disease present. However, the biopsy has various complications, bleeding being the most common. Therefore, the development of alternative, non-invasive diagnostic tests for kidney disease in patients with SLE is a priority. Micro RNAs (miRNAs) are differentially expressed in various tissues, and changes in their expression have been associated with several pathological processes...
2016: PloS One
https://www.readbyqxmd.com/read/27831539/incidence-and-prevalence-of-systemic-lupus-erythematosus-among-the-native-arab-population-in-uae
#17
A M Al Dhanhani, M Agarwal, Y S Othman, O Bakoush
BACKGROUND AND OBJECTIVES: There is a paucity of information about the epidemiology of systemic lupus erythematosus (SLE) amongst Arabs. The objective of this study was to determine the incidence and prevalence of SLE among the native Arab population of United Arab Emirates (UAE). METHODS: Patients with SLE were identified from three sources: medical records of two local tertiary hospitals (four years; 2009 to 2012), laboratory requests for serum double stranded deoxyribonucleic acid and serum anti-nuclear antibody and confirmed histopathologic diagnosis of SLE (skin and kidney biopsy specimens)...
November 9, 2016: Lupus
https://www.readbyqxmd.com/read/27831538/proteinuria-selectivity-index-as-a-prognostic-biomarker-in-lupus-nephritis
#18
T Hasegawa, K Suzuki, Y Kaneko, T Takeuchi
OBJECTIVES: The selectivity index has been proposed in predicting the response to immunosuppressive therapy in nephrotic syndrome and other primary kidney disorders. The aim of this study was to elucidate the predictive value of the selectivity index for the treatment response and renal outcome in patients with lupus nephritis. METHODS: Forty-four patients with lupus nephritis with selectivity index available at the time of renal biopsy were divided into two groups according to the cut-off value of the selectivity index determined by a receiver operating characteristics curve to differentiate treatment responders from non-responders...
November 9, 2016: Lupus
https://www.readbyqxmd.com/read/27829387/relation-of-peritubular-capillary-features-to-class-of-lupus-nephritis
#19
Sirirat Anutrakulchai, Tanin Titipungul, Thanyaluk Pattay, Putachart Mesung, Anucha Puapairoj, Dhavee Sirivongs, Cholatip Pongsakul, Prasit Futrakul, Bandit Thinkhamrop, Richard J Johnson
BACKGROUND: Experimental studies have linked peritubular capillary (PTC) loss with progression of chronic kidney disease. Minimal information on PTC in lupus nephritis (LN) has been reported. We therefore evaluated the PTC area in different classes of LN and determined if specific clinical characteristics correlated with PTC changes. METHODS: Renal biopsies of 253 subjects with LN (categorized using the ISN/RPS 2003 classification) and 13 normal renal donors (the controls) were retrospectively evaluated for PTC morphology by staining for CD31 with immunohistochemistry method...
November 9, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27825411/clinical-features-of-patients-with-castleman-s-disease-complicated-by-br-systemic-lupus-erythematosus
#20
Lu Zhang, Xin-Xin Cao, Shu-Jie Wang, Dao-Bin Zhou, Jian Li
Objective To investigate the clinical features of patients with Castleman's disease (CD) and systemic lupus erythematosus (SLE). Methods According to the diagnostic information between 1994 to 2014 extracted from the database of the Medical Record Department of Peking Union Medical College Hospital (PUMCH),patients with CD and SLE were included. A thorough literature review utilizing the key words of "Castleman's disease","systemic lupus erythematosus","SLE",and "lupus" was performed in PubMed during the same period...
October 10, 2016: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
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