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https://www.readbyqxmd.com/read/28737980/nitration-of-h2b-histone-elicits-an-immune-response-in-experimental-animals
#1
Md Asad Khan, Khursheed Alam, Syed Mehdi Hassan, M Moshahid A Rizvi
Histone H2B is an autoantigen that appears in circulation due to altered apoptosis/or insufficient clearance and is likely to be involved in the induction and progression of autoimmune diseases since modified-H2B is immunogenic. Our studies demonstrate that tyrosines of H2B histone spontaneously converts to free and nitrotyrosine bound protein in vivo. Commercially available H2B histone was modified with peroxynitrite in vitro. Modified H2B was found to be more immunogenic than native form in experimental animals...
July 24, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28734074/association-of-clinical-and-serological-parameters-of-systemic-lupus-erythematosus-patients-with-epstein-barr-virus-antibody-profile
#2
Chougule D, Nadkar M, Rajadhyaksha A, Pandit P, Surve P, Dawkar N, Khadilkar P, Patwardhan M, Kaveri Sv, Ghosh K, Pradhan V
Epstein-Barr viral infection is one of the known environmental factors involved in development of Systemic Lupus Erythematous (SLE). Though not much is known about the exact role of EBV in SLE pathogenesis, the theory of switching of lytic and lysogenic cycles of Epstein-Barr virus in memory B-cells fits well with the periods of waning disease activity and intermittent flares in SLE patients. In this study, we investigate the association of EBV antibody profile with clinical and serological parameters in SLE...
July 22, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28733303/oral-glucocorticoid-use-and-osteonecrosis-in-children-and-adults-with-chronic-inflammatory-diseases-a-population-based-cohort-study
#3
Daniel B Horton, Kevin Haynes, Michelle R Denburg, Mihir M Thacker, Carlos D Rose, Mary E Putt, Mary B Leonard, Brian L Strom
OBJECTIVES: We studied oral glucocorticoids and osteonecrosis, a rare but serious bone disease, in individuals with various chronic inflammatory diseases. We hypothesised that we would find stronger associations in adults versus children and in people with autoimmune diseases. DESIGN: Retrospective cohort study. SETTING: Population-representative data (1994-2013) from general practices in the UK. PARTICIPANTS: Children and adults diagnosed with asthma; inflammatory bowel disease; juvenile, psoriatic or rheumatoid arthritis; psoriasis; or systemic lupus...
July 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28728510/serum-level-of-anti-%C3%AE-enolase-antibody-in-untreated-systemic-lupus-erythematosus-patients-correlates-with-24-hour-urine-protein-and-d-dimer
#4
M Li, J Li, J Wang, Y Li, P Yang
Objective The objective of this report is to evaluate the prevalence and clinico-serological correlations of anti-α-enolase antibody (Ab) in patients with systemic lupus erythematosus (SLE). Methods Thirty-two untreated patients with SLE and 20 age- and sex-matched healthy controls were evaluated by rheumatologic examinations. The serum levels of anti-α-enolase Ab were measured by an enzyme-linked immunosorbent assay (ELISA). Clinical, biochemical and serological markers of disease activity were measured by standard laboratory procedure...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28728509/do-adverse-pregnancy-outcomes-contribute-to-accelerated-cardiovascular-events-seen-in-young-women-with-systemic-lupus-erythematosus
#5
M C Soh, C Nelson-Piercy, M Westgren, L McCowan, D Pasupathy
Cardiovascular events (CVEs) are prevalent in patients with systemic lupus erythematosus (SLE), and it is the young women who are disproportionately at risk. The risk factors for accelerated cardiovascular disease remain unclear, with multiple studies producing conflicting results. In this paper, we aim to address both traditional and SLE-specific risk factors postulated to drive the accelerated vascular disease in this cohort. We also discuss the more recent hypothesis that adverse pregnancy outcomes in the form of maternal-placental syndrome and resultant preterm delivery could potentially contribute to the CVEs seen in young women with SLE who have fewer traditional cardiovascular risk factors...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28728508/immunodeficiency-and-autoimmunity-coming-together-a-nearly-missed-diagnosis
#6
F T Carreiro, S Betkova, C Sepúlveda, M J Manata, O Cardoso, F Maltez, M F Moraes-Fontes
The coexistence of human immunodeficiency virus (HIV) and systemic lupus erythematosus (SLE) appears to be unusual and the prevalence of patients who carry the dual diagnosis is currently unknown. We hereby present a case of a C4 deficient HIV-1 positive Caucasian female under highly active antiretroviral therapy for the past eight years, admitted to hospital with an aggressive and potentially fatal clinical presentation of SLE. There was a favorable outcome despite a significant diagnostic delay. Despite its rarity, the case highlights that this association is remarkable and may be overlooked by clinicians familiar with either condition...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28728507/disease-specific-quality-of-life-in-patients-with-lupus-nephritis
#7
M Jolly, S Toloza, B Goker, A E Clarke, S V Navarra, D Wallace, M Weisman, C C Mok
Background Patient-reported outcomes in lupus nephritis (LN) are not well studied. Studies with disease-targeted PRO tool in LN do not exist. Herein, we describe quality of life (QOL: HRQOL & non-HRQOL) among LN patients using LupusPRO. Methods International, cross-sectional data from 1259 patients with systemic lupus erythematosus (SLE) and LupusPRO were compared, stratified by (a) presence of LN (ACR classification criteria (ACR-LN)) at any time and, (b) active LN (on SLEDAI) at study visit. Damage was assessed by SLICC/ACR-SDI...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28727987/associations-of-autoimmunity-immunodeficiency-lymphomagenesis-and-gut-microbiota-in-mice-with-knockins-for-a-pathogenic-autoantibody
#8
Shweta Jain, Jerrold M Ward, Dong-Mi Shin, Hongsheng Wang, Zohreh Naghashfar, Alexander L Kovalchuk, Herbert C Morse
A number of mouse strains transgenic for B-cell receptors specific for nucleic acids or other autoantigens have been generated to understand how autoreactive B cells are regulated in normal and autoimmune mice. Previous studies of nonautoimmune C57BL/6 mice heterozygous for both the IgH and IgL knockins of the polyreactive autoantibody, 564, produced high levels of autoantibodies in a largely Toll-like receptor 7-dependent manner. Herein, we describe studies of mice homozygous for the knockins that also expressed high levels of autoantibodies but, unlike the heterozygotes, exhibited a high incidence of mature B-cell lymphomas and enhanced susceptibility to bacterial infections...
July 17, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28723711/epidemiology-of-autoimmune-and-inflammatory-diseases-in-a-french-nationwide-hiv-cohort
#9
D Lebrun, M Hentzien, L Cuzin, D Rey, V Joly, L Cotte, C Allavena, P Dellamonica, A Servettaz, F Bani-Sadr
HIV infection and inflammatory and autoimmune diseases (IAD) are both related to immune dysfunction. Epidemiological data on IAD in patients living with HIV (PLHIV) are scarce. The aim of this study was thus to estimate the prevalence of 26 IAD among PLHIV followed in a large French multicenter cohort in the cART era (from January 2000 to July 2013), and to describe their occurrence according to cART onset, the immuno-virological status of patients and HCV and/or HBV co-infection.During the study period, 33 403 PLHIV were included in the Dat'AIDS cohort; 1381 patients with an IAD were identified...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28722110/renal-infiltrating-cd11c-cells-are-pathogenic-in-murine-lupus-nephritis-through-promoting-cd4-t-cell-responses
#10
Xiaofeng Liao, Jingjing Ren, Alec Reihl, Tharshikha Pirapakaran, Bharath Sreekumar, Thomas E Cecere, Christopher M Reilly, Xin M Luo
Lupus nephritis (LN) is a major manifestation of systemic lupus erythematosus (SLE) causing morbidity and mortality in 40-60% of SLE patients. The pathogenic mechanisms of LN are not completely understood. Recent studies have demonstrated the presence of various immune cell populations in lupus nephritic kidneys of both SLE patients and lupus-prone mice. These cells may play important pathogenic or regulatory roles in situ to promote or sustain LN. Here, using lupus-prone mouse models, we showed the pathogenic role of a kidney-infiltrating CD11c(+) myeloid cell population in LN...
July 19, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28717937/clinical-presentation-and-outcomes-of-childhood-onset-membranous-lupus-nephritis
#11
Maria Pereira, Eyal Muscal, Karen Eldin, M John Hicks, Anna Carmela P Sagcal-Gironella, Marietta DeGuzman, Scott E Wenderfer
BACKGROUND: Best practices for managing childhood-onset membranous lupus nephritis (MLN) are not yet established. Most studies involve primarily or exclusively adult cohorts or pediatric cohorts with combinations of pure or mixed membranous and proliferative nephritis. METHODS: We performed a single-center cohort study of consecutively diagnosed children with pure MLN from 1990 and 2016. Patients received care in Houston, Texas, one of the most diverse metropolitan areas in North America...
July 17, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28716698/cytokine-balance-and-behavioral-intervention-findings-from-the-peer-approaches-to-lupus-self-management-pals-project
#12
Edith M Williams, J Madison Hyer, Ramakrishnan Viswanathan, Trevor D Faith, Leonard Egede, Jim C Oates, Gailen D Marshall
The Peer Approaches to Lupus Self-Management program sought to address the disparate impact of systemic lupus erythematosus (SLE) on African American women through a peer mentoring intervention with aims of reducing stress, anxiety, and depression. Given the association between psychological health and immune function this study examines the relationship between patient reported outcomes (PROs) in these domains and immunologic indicators of disease activity. Twenty-three African American women with SLE served as mentees in the intervention from whom PRO measures were collected at the outset, midpoint, and end of the 12 week pilot study...
July 14, 2017: Human Immunology
https://www.readbyqxmd.com/read/28714469/transancestral-mapping-and-genetic-load-in-systemic-lupus-erythematosus
#13
Carl D Langefeld, Hannah C Ainsworth, Deborah S Cunninghame Graham, Jennifer A Kelly, Mary E Comeau, Miranda C Marion, Timothy D Howard, Paula S Ramos, Jennifer A Croker, David L Morris, Johanna K Sandling, Jonas Carlsson Almlöf, Eduardo M Acevedo-Vásquez, Graciela S Alarcón, Alejandra M Babini, Vicente Baca, Anders A Bengtsson, Guillermo A Berbotto, Marc Bijl, Elizabeth E Brown, Hermine I Brunner, Mario H Cardiel, Luis Catoggio, Ricard Cervera, Jorge M Cucho-Venegas, Solbritt Rantapää Dahlqvist, Sandra D'Alfonso, Berta Martins Da Silva, Iñigo de la Rúa Figueroa, Andrea Doria, Jeffrey C Edberg, Emőke Endreffy, Jorge A Esquivel-Valerio, Paul R Fortin, Barry I Freedman, Johan Frostegård, Mercedes A García, Ignacio García de la Torre, Gary S Gilkeson, Dafna D Gladman, Iva Gunnarsson, Joel M Guthridge, Jennifer L Huggins, Judith A James, Cees G M Kallenberg, Diane L Kamen, David R Karp, Kenneth M Kaufman, Leah C Kottyan, László Kovács, Helle Laustrup, Bernard R Lauwerys, Quan-Zhen Li, Marco A Maradiaga-Ceceña, Javier Martín, Joseph M McCune, David R McWilliams, Joan T Merrill, Pedro Miranda, José F Moctezuma, Swapan K Nath, Timothy B Niewold, Lorena Orozco, Norberto Ortego-Centeno, Michelle Petri, Christian A Pineau, Bernardo A Pons-Estel, Janet Pope, Prithvi Raj, Rosalind Ramsey-Goldman, John D Reveille, Laurie P Russell, José M Sabio, Carlos A Aguilar-Salinas, Hugo R Scherbarth, Raffaella Scorza, Michael F Seldin, Christopher Sjöwall, Elisabet Svenungsson, Susan D Thompson, Sergio M A Toloza, Lennart Truedsson, Teresa Tusié-Luna, Carlos Vasconcelos, Luis M Vilá, Daniel J Wallace, Michael H Weisman, Joan E Wither, Tushar Bhangale, Jorge R Oksenberg, John D Rioux, Peter K Gregersen, Ann-Christine Syvänen, Lars Rönnblom, Lindsey A Criswell, Chaim O Jacob, Kathy L Sivils, Betty P Tsao, Laura E Schanberg, Timothy W Behrens, Earl D Silverman, Marta E Alarcón-Riquelme, Robert P Kimberly, John B Harley, Edward K Wakeland, Robert R Graham, Patrick M Gaffney, Timothy J Vyse
Systemic lupus erythematosus (SLE) is an autoimmune disease with marked gender and ethnic disparities. We report a large transancestral association study of SLE using Immunochip genotype data from 27,574 individuals of European (EA), African (AA) and Hispanic Amerindian (HA) ancestry. We identify 58 distinct non-HLA regions in EA, 9 in AA and 16 in HA (∼50% of these regions have multiple independent associations); these include 24 novel SLE regions (P<5 × 10(-8)), refined association signals in established regions, extended associations to additional ancestries, and a disentangled complex HLA multigenic effect...
July 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28711952/polymorphic-variants-of-antioxidative-defense-enzymes-and-their-gene-gene-epistatic-interactions-in-systemic-lupus-erythematode-patients
#14
Tatjana Jevtovic Stoimenov, Milena Despotovic, Sonja Stojanovic, Jelena Basic, Dušica Pavlovic
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease in which pathogenesis oxidative stress has an important role. Single nucleotide polymorphisms (SNPs) in the genes that code enzymes involved in the antioxidative defense are possible factors that are responsible for their decreased activity of antioxidative defense enzymes. Thus, the aim of the study was to examine association of SNPs in these genes with SLE. A total of176 subjects were involved in this study. CAT A-21T (rs7943316), CAT C-262T (rs1001139) and manganese SOD (MnSOD) Ala16Val (rs4880) SNPs were determined using PCR-RFLP method, while GSTT1 and GSTM1 were determined using multiplex PCR...
July 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28705448/-extensive-digital-gangrene-revealing-late-onset-systemic-lupus-erythematosus
#15
F Z Ha-Ou-Nou, M Zahlane, L Benjilali, L Essaadouni
INTRODUCTION: Late-onset systemic lupus erythematosus represents a specific sub-group of the disorder, beginning after 50 years of age. The incidence is rarer and the course of the disease is considered to be more benign. Digital gangrene is an uncommon complication of systemic lupus erythematosus reported especially among middle-aged patients with long disease duration. OBSERVATION: We report a 53-year-old man, who presented with systemic lupus erythematosus revealed by an extensive digital gangrene...
February 2017: J Med Vasc
https://www.readbyqxmd.com/read/28705287/generalized-discoid-lupus-erythematosus-as-the-presenting-sign-of-small-cell-lung-carcinoma
#16
Tania M Gonzalez Santiago, David A Wetter, Garrett C Lowe, Gabriel F Sciallis
A 46-year-old woman with a 30 pack-year smoking history presented with a worsening eruption on the left cheek that failed to improve with metronidazole gel. The cutaneous eruption spread to most of her face and did not respond to a brief tapering course of prednisone. During the initial evaluation at our institution, approximately 6 weeks after the onset of the cutaneous eruption, the patient had erythematous, crusted plaques on her face and scalp (Figure 1A); they were also present on the V-area of the anterior aspect of the neck and upper region of the chest, the shoulders, and the arms, with isolated lesions on the trunk and legs...
2017: Skinmed
https://www.readbyqxmd.com/read/28704581/from-childhood-to-adulthood-disease-activity-trajectories-in-childhood-onset-systemic-lupus-erythematosus
#17
Lily Siok Hoon Lim, Eleanor Pullenayegum, Brian M Feldman, Lillian Lim, Dafna D Gladman, Earl D Silverman
No previous study has studied the longitudinal disease course of childhood-onset SLE (cSLE). OBJECTIVES: 1) To assess distinguishable differences in disease activity trajectories in cSLE patients; 2) To determine baseline factors predictive of disease trajectory membership and 3) To assess if the different disease activity trajectories are associated with different damage trajectories. METHODS: This is a retrospective, longitudinal inception cohort of cSLE patients...
July 13, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28704174/evaluation-of-pulmonary-artery-pressure-in-patients-with-juvenile-systemic-lupus-erythematosus-sle
#18
Amra Adrovic, Reyhan Dedeoglu, Sezgin Sahin, Kenan Barut, Aida Koka, Dicle Cengiz, Funda Oztunc, Ozgur Kasapcopur
Juvenile systemic lupus erythematosus (jSLE) is a chronic multisystemic autoimmune disease. Previous studies among adults have shown impaired right ventricular (RV) function in patients with SLE. Also, these patients may develop pulmonary artery hypertension (PAH), which is one of the most threatening complications of SLE. Nevertheless, studies on PAH among jSLE patients are still rare. The aim of this study was to assess the RV function in jSLE patients by Doppler echocardiography (Echo Doppler). We also estimated pulmonary artery systolic pressure (PASP) and mean pulmonary artery pressure (MPAP) in these patients...
July 13, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28702765/association-between-serum-plasma-adiponectin-levels-and-immune-mediated-diseases-a-meta-analysis
#19
Ming-Yue Zhang, Ahmed Ali Dini, Xiao-Ke Yang, Lian-Ju Li, Guo-Cui Wu, Rui-Xue Leng, Hai-Feng Pan, Dong-Qing Ye
Adiponectin plays an important role in the development of immune-mediated diseases. Currently published data regarding the relationship between serum/plasma levels of adiponectin and immune-mediated diseases are inconsistent. We therefore conducted this meta-analysis to explore the association of serum/plasma adiponectin levels with immune-mediated diseases in humans. Systematic literature search was conducted to identify all relevant studies. The study quality was assessed by the Newcastle-Ottawa scale. Pooled standard mean difference (SMD) with 95% confidence interval (CI) was calculated by random-effect model analysis...
July 12, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28699378/reasons-for-cesarean-and-medically-indicated-deliveries-in-pregnancies-in-women-with-systemic-lupus-erythematosus
#20
A M Eudy, M Jayasundara, T Haroun, L Neil, A H James, M E B Clowse
Objective To determine reasons for cesarean and medically indicated deliveries in a registry of pregnant women with SLE compared to RA. Methods Pregnant women with SLE or RA were prospectively followed, and pregnancy outcomes were collected, including whether labor was spontaneous or medically indicated and delivery was vaginal or cesarean. Preterm birth was defined as a birth <37 weeks gestation. Differences in reasons for cesarean delivery and indication of delivery between term and preterm births were determined by Fisher's exact test...
January 1, 2017: Lupus
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