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https://www.readbyqxmd.com/read/27900970/clinical-features-and-histological-patterns-of-lupus-nephritis-in-a-single-center-of-south-india
#1
Clement Wilfred Devadass, Vijaya Viswanath Mysorekar, Mahesh Eshwarappa, Lakshminarayanan Mekala, M Gireesh Siddaiah, K Gurudev Channabasappa
Renal involvement occurs in up to 60% of patients with systemic lupus erythematosus (SLE) and signifies a poor prognosis. The class of lupus nephritis (LN), determined on renal biopsy evaluation, guides the therapeutic management and has prognostic connotations. Our aim is to determine the clinicolaboratory features and histopathological patterns of LN at presentation in our local (South Indian) population. The study was conducted in a tertiary care hospital in South India between 2009 and 2014 on SLE patients with clinical evidence of LN...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27900491/treatable-renal-disease-in-children-with-silent-lupus-nephritis-detected-by-baseline-biopsy-association-with-serum-c3-levels
#2
Hiroyuki Wakiguchi, Syuji Takei, Tomohiro Kubota, Akinori Miyazono, Yoshifumi Kawano
Lupus nephritis is identified in up to 75% of patients with juvenile systemic lupus erythematosus and may present with abnormal urinary findings (overt lupus nephritis) or be apparent only upon renal biopsy (silent lupus nephritis). We investigated whether serum complement levels correlate with renal pathology in pediatric patients with silent lupus nephritis. We performed baseline renal biopsy in 45 children diagnosed with juvenile systemic lupus erythematosus who were admitted to Kagoshima University Hospital between January 2000 and June 2015...
November 30, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/27893866/ecology-and-demography-of-free-roaming-domestic-dogs-in-rural-villages-near-serengeti-national-park-in-tanzania
#3
Anna M Czupryna, Joel S Brown, Machunde A Bigambo, Christopher J Whelan, Supriya D Mehta, Rachel M Santymire, Felix J Lankester, Lisa J Faust
Free-roaming dogs (Canis lupus familiaris) are of public health and conservation concern because of their potential to transmit diseases, such as rabies, to both people and wildlife. Understanding domestic dog population dynamics and how they could potentially be impacted by interventions, such as rabies vaccination, is vital for such disease control efforts. For four years, we measured demographic data on 2,649 free-roaming domestic dogs in four rural villages in Tanzania: two villages with and two without a rabies vaccination campaign...
2016: PloS One
https://www.readbyqxmd.com/read/27882428/progression-of-noncalcified-and-calcified-coronary-plaque-by-ct-angiography-in-sle
#4
Aisha Khan, Armin Arbab-Zadeh, Adnan N Kiani, Laurence S Magder, Michelle Petri
Premature coronary artery disease remains the major cause of late death in systemic lupus erythematosus (SLE). Coronary artery calcium (CAC) represents an advanced stage of atherosclerosis, whereas noncalcified coronary atherosclerotic plaque (NCP) typically is more prone to trigger acute coronary events. The aim of this study was to assess the stability of NCP over time and identify factors associated with changes in NCP in patients with SLE. CT coronary angiography and calcium scanning were performed at baseline and follow-up in thirty-six SLE patients...
November 23, 2016: Rheumatology International
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
#5
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/27852746/human-basophils-modulate-plasma-cell-differentiation-and-maturation
#6
Dorothea Dijkstra, Almut Meyer-Bahlburg
Basophils represent <1% of circulating leukocytes. They play a crucial role during allergy and helminth-induced Th2 responses. However, recent data also suggest a contribution to the pathogenesis of autoimmune diseases. Basophils from patients with systemic lupus erythematosus show an activated phenotype, correlating to disease activity. Furthermore, murine basophils or their mediators enhance memory responses and plasma cell (PC) survival, suggesting that they directly modulate the function of B cells. This is highly relevant with respect to human allergy and autoimmunity because a possible modulation of B cell differentiation by basophils could point to new therapeutic targets...
November 16, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27837104/cutting-edge-baff-overexpression-reduces-atherosclerosis-via-taci-dependent-b-cell-activation
#7
Shaun W Jackson, Nicole E Scharping, Holly M Jacobs, Shari Wang, Alan Chait, David J Rawlings
Patients with systemic lupus erythematosus exhibit accelerated atherosclerosis, a chronic inflammatory disease of the arterial wall. The impact of B cells in atherosclerosis is controversial, with both protective and pathogenic roles described. For example, natural IgM binding conserved oxidized lipid epitopes protect against atherosclerosis, whereas anti-oxidized low-density lipoprotein (oxLDL) IgG likely promotes disease. Because BAFF promotes B cell class-switch recombination and humoral autoimmunity, we hypothesized that excess BAFF would accelerate atherosclerosis...
December 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27833441/lupus-nephritis-in-children-10-years-experience
#8
Hanna Szymanik-Grzelak, Elżbieta Kuźma-Mroczkowska, Jadwiga Małdyk, Małgorzata Pańczyk-Tomaszewska
Systemic lupus erythematosus (SLE) in children is usually more severe than it is in adults and there is a higher incidence of renal involvement. We described 18 children (16 girls, 2 boys) with lupus nephritis (LN), whose average age was 14.4 ±1.81 years. Disease activity was assessed according to SLEDAI (SLE Disease Activity Index). Renal biopsy was classified according to the INS/RPS (International Society of Nephrology/Renal Pathology Society). The patients were treated with steroids (100%) and pulses of cyclophosphamide (88...
2016: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/27829387/relation-of-peritubular-capillary-features-to-class-of-lupus-nephritis
#9
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/27821712/btk-small-molecule-inhibitors-induce-a-distinct-pancreatic-toxicity-in-rats
#10
Rebecca I Erickson, Leah K Schutt, Jacqueline Tarrant, Michelle McDowell, Lichuan Liu, Adam R Johnson, Sock-Cheng Lewin-Koh, Maj Hedehus, Jed Ross, Richard A D Carano, Karin Staflin, Fiona Zhong, James Crawford, Shelly Zhong, Karin Reif, Arna Katewa, Harvey Wong, Wendy Young, Donna Dambach, Dinah Misner
Bruton's tyrosine kinase (BTK) is a member of the Tec family of cytoplasmic tyrosine kinases involved in B-cell and myeloid cell signaling. Small molecule inhibitors of BTK are being investigated for treatment of several hematological cancers and autoimmune diseases. GDC-0853 is a selective and reversible oral small molecule BTK inhibitor in development for the treatment of rheumatoid arthritis and systemic lupus erythematosus. In Sprague-Dawley (SD) rats, administration of GDC-0853 and other structurally diverse BTK inhibitors for 7 days or longer caused pancreatic lesions consisting of multifocal islet-centered hemorrhage, inflammation, fibrosis, and pigment-laden macrophages with adjacent lobular exocrine acinar cell atrophy, degeneration, and inflammation...
November 7, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27812392/periesophageal-pseudoaneurysms-rare-cause-of-refractory-bleeding-treated-with-transarterial-embolization
#11
Divyanshoo R Kohli, Rachit D Shah, Daniel J Komorowski, George B Smallfield
A 43-year-old female with history of systemic lupus erythematosus, prior cytomegalovirus esophagitis treated with ganciclovir, and long segment Barrett's esophagus (Prague class C8 M9) with high grade dysplasia treated with radiofrequency ablation presented to the hospital with hematemesis. An upper gastrointestinal endoscopy showed multiple esophageal ulcers with active arterial spurting which could not be controlled with endoscopic interventions including placement of hemostatic clips. An emergent angiogram demonstrated actively bleeding saccular dilations (pseudoaneurysms) in the esophageal branches of the lower thoracic aorta as well as left gastric artery for which gelfoam and coil embolization was initially successful...
2016: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/27799135/drug-induced-cutaneous-lupus-erythematosus-88-new-cases
#12
Rasa Laurinaviciene, Linda Holm Sandholdt, Anette Bygum
BACKGROUND: An increasing number of drugs have been linked to drug-induced subacute cutaneous lupus erythematosus (DI-SCLE). The recognition and management of DI-SCLE can be challenging, as the condition may be triggered by different classes of drugs after variable lengths of time. OBJECTIVES: To determine the proportion of patients with cutaneous lupus erythematosus (CLE) whose drugs are an inducing or aggravating factor. MATERIALS & METHODS: We conducted a retrospective chart review of patients diagnosed with CLE at a dermatological department over a 21-year period...
October 31, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27793432/new-onset-of-lupus-nephritis-in-two-patients-with-sle-shortly-after-initiation-of-treatment-with-belimumab
#13
Chrysanthi Staveri, Dimitrios Karokis, Stamatis-Nick C Liossis
PURPOSE: Belimumab is currently approved for the treatment of patients with active SLE despite standard treatment. However, it has not been formally tested for patients with lupus nephritis because such patients had been excluded from the clinical trials. In this report, we present two patients with SLE who developed lupus nephritis de novo shortly after belimumab treatment initiation; both patients improved rapidly upon belimumab discontinuation. RESULTS: The first patient (a 30-year-old female, with a 15-year disease duration, receiving prednisolone, hydroxychloroquine, and azathioprine, with no previous history of nephritis that was repeatedly anti-dsDNA negative) had exacerbation of a facial butterfly-like rash developed after 3 months of belimumab treatment initiation...
September 28, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/27781323/therapeutic-potential-for-targeting-the-suppressor-of-cytokine-signalling-1-pathway-for-the-treatment-of-sle
#14
B Sukka-Ganesh, J Larkin
Although the specific events dictating systemic lupus erythematosus (SLE) pathology remain unclear, abundant evidence indicates a critical role for dysregulated cytokine signalling in disease progression. Notably, the suppressor of cytokine signalling (SOCS) family of intracellular proteins, in particular the kinase inhibitory region (KIR) bearing SOCS1 and SOCS3, plays a critical role in regulating cytokine signalling. To assess a relationship between SOCS1/SOCS3 expression and SLE, the goals of this study were to (1) evaluate the time kinetics of SOCS1/SOCS3 message and protein expression based on SLE-associated stimulations, (2) compare levels of SOCS1 and SOCS3 present in SLE patients and healthy controls by message and protein, (3) relate SOCS1/SOCS3 expression to inflammatory markers in SLE patients and (4) correlate SOCS1/SOCS3 levels to current treatments...
November 2016: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/27781205/a-unique-cause-of-proteinuria-in-pregnancy-class-ii-lupus-nephritis-with-concomitant-minimal-change-disease
#15
Ryan Kunjal, Rabie Adam-Eldien, Raafat Makary, Francois Jo-Hoy, Charles W Heilig
We report the case of a 22-year-old African American female who presented to another facility for routine follow-up in the 34th week of pregnancy with lower extremity swelling and nephrotic-range proteinuria. Although she was normotensive, it was initially thought that she had preeclampsia. She was monitored carefully and delivery was induced at 37 weeks of gestation. She was transferred to our hospital, where she was diagnosed with systemic lupus erythematosus (SLE) based on clinical and laboratory criteria...
September 2016: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/27781079/atypical-hemolytic-uremic-syndrome-secondary-to-lupus-nephritis-responsive-to-eculizumab
#16
Alexander G Raufi, Shruti Scott, Omar Darwish, Kevin Harley, Kanwarpal Kahlon, Sheetal Desai, Yuxin Lu, Minh-Ha Tran
Among the spectrum of disease manifestations associated with systemic lupus erythematosus, lupus nephritis is particularly concerning due to the potential for renal failure. This autoimmune attack may not, however, be limited to the kidney and is increasingly being recognized as a trigger for atypical Hemolytic Uremic Syndrome (aHUS). Atypical HUS falls under the spectrum of the thrombotic microangiopathies (TMAs) - a group of disorders characterized by microangiopathic hemolytic anemia, thrombocytopenia, and end organ damage...
September 28, 2016: Hematology Reports
https://www.readbyqxmd.com/read/27759348/mesenteric-vasculitis-in-a-case-of-systemic-lupus-erythematosus
#17
Abhinav Anand, Kruthi Malur, Juhi Kawale, Milind Y Nadkar
We present a case of mesentric vasculitis with systemic lupus erythematosus who relapsed after high dose steroids but achieved subsequent remission after starting pulse cyclophosphamide therapy. 38 years old female who had earlier polyserositis and cerebral venous thrombosis was admitted with provisional diagnosis of SLE and developed acute abdominal pain during hospital stay. She was diagnosed as mesenteric vasculitis and initially responded to pulse methylprednisolone. However, she had relapse which subsequently responded to pulse cyclophosphamide and steroids...
July 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27752708/the-biological-function-and-significance-of-cd74-in-immune-diseases
#18
Huiting Su, Ning Na, Xiaodong Zhang, Yong Zhao
CD74 (MHC class II invariant chain, Ii) is a non-polymorphic type II transmembrane glycoprotein. It is clear that, in addition to be an MHC class II chaperone, CD74 has a diversity of biological functions in physiological and pathological situations. CD74 also participates in other non-MHC II protein trafficking, such as angiotensin II type I receptor. In addition, CD74 is a cell membrane high-affinity receptor for macrophage migration inhibitory factor (MIF), D-dopachrome tautomerase (D-DT/MIF-2) and bacterial proteins...
October 17, 2016: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/27746783/anti-lipid-igg-antibodies-are-produced-via-germinal-centers-in-a-murine-model-resembling-human-lupus
#19
Carlos Wong-Baeza, Albany Reséndiz-Mora, Luis Donis-Maturano, Isabel Wong-Baeza, Luz Zárate-Neira, Juan Carlos Yam-Puc, Juana Calderón-Amador, Yolanda Medina, Carlos Wong, Isabel Baeza, Leopoldo Flores-Romo
Anti-lipid IgG antibodies are produced in some mycobacterial infections and in certain autoimmune diseases [such as anti-phospholipid syndrome, systemic lupus erythematosus (SLE)]. However, few studies have addressed the B cell responses underlying the production of these immunoglobulins. Anti-lipid IgG antibodies are consistently found in a murine model resembling human lupus induced by chlorpromazine-stabilized non-bilayer phospholipid arrangements (NPA). NPA are transitory lipid associations found in the membranes of most cells; when NPA are stabilized they can become immunogenic and induce specific IgG antibodies, which appear to be involved in the development of the mouse model of lupus...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27742832/small-molecule-inhibition-of-rab7-impairs-b-cell-class-switching-and-plasma-cell-survival-to-dampen-the-autoantibody-response-in-murine-lupus
#20
Tonika Lam, Dennis V Kulp, Rui Wang, Zheng Lou, Julia Taylor, Carlos E Rivera, Hui Yan, Qi Zhang, Zhonghua Wang, Hong Zan, Dmitri N Ivanov, Guangming Zhong, Paolo Casali, Zhenming Xu
IgG autoantibodies mediate pathology in systemic lupus patients and lupus-prone mice. In this study, we showed that the class-switched IgG autoantibody response in MRL/Fas(lpr/lpr) and C57/Sle1Sle2Sle2 mice was blocked by the CID 1067700 compound, which specifically targeted Ras-related in brain 7 (Rab7), an endosome-localized small GTPase that was upregulated in activated human and mouse lupus B cells, leading to prevention of disease development and extension of lifespan. These were associated with decreased IgG-expressing B cells and plasma cells, but unchanged numbers and functions of myeloid cells and T cells...
November 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
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