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https://www.readbyqxmd.com/read/28215033/anti-mutated-citrullinated-vimentin-antibodies-in-antiphospholipid-syndrome-diagnostic-value-and-relationship-with-clinical-features
#1
Cristiano Alessandri, Nancy Agmon-Levin, Fabrizio Conti, Carlo Perricone, Elena Ortona, Monica Pendolino, Antonella Capozzi, Federica Delunardo, Riccardo Mancini, Simona Truglia, Francesca Romana Spinelli, Fulvia Ceccarelli, Maurizio Sorice, Yehuda Shoenfeld, Guido Valesini
: Antiphospholipid antibodies (aPLs) are a heterogeneous group of autoantibodies essential for the diagnosis of antiphospholipid syndrome (APS) but do not predict clinical manifestations or disease progression. Hence, the co-presence of other antibodies may prove useful. Autoimmunity directed toward vimentin and other citrullinated peptides was established in rheumatoid arthritis (RA) and in other autoimmune conditions including systemic lupus erythematosus (SLE). We have previously described the presence of autoantibodies directed against vimentin/cardiolipin complex in patients with antiphospholipid syndrome (APS), but there are no data on the role of citrullinated vimentin in APS...
February 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28214184/-systemic-lupus-erythematosus-and-lymphopenia-clinical-and-pathophysiological-features
#2
M Martin, A Guffroy, X Argemi, T Martin
Lymphopenia is frequent in systemic lupus erythematosus (SLE) and profound (<500/mm(3)) in 10% of cases. T lymphocytes, especially CD4+, are more affected than B cells. The pathophysiological mechanisms are complex, involving lymphocytotoxic antibodies, excess of apoptosis, increased susceptibility of T cells to complement mediated cytolysis, as well as lymphopoiesis impairment and lymphocyte sequestration. Lymphopenia in SLE is independent from other cytopenia and immunosuppressive drug regiments, and associated with disease activity, risk of flare and damage scores...
February 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28213738/cytomegalovirus-infection-in-patients-with-lupus-nephritis-clinical-and-laboratory-features-and-therapeutic-considerations
#3
Lei Zhang, Jianling Tao, Yubing Wen, Li Li, Xueyi Wu, Xuewang Li, Xuemei Li
To better clarify the clinical features and therapeutic strategy of CMV infection in lupus nephritis patients, we retrospectively surveyed a total of 40 lupus nephritis patients, who had been hospitalized and underwent renal biopsy and diagnosed as having CMV infection during their hospitalization at our institution within the last 10 years. The percentage of CMV infections in the entire hospitalized lupus nephritis population was 5.3% (40/755). The principal clinical features of the 40 CMV-infected patients were hematological disorders (n = 25), fever (n = 21), liver dysfunction (n = 19), and respiratory symptoms (n = 12)...
February 17, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28212920/neonatal-lupus-follow-up-in-infants-with-anti-ssa-ro-antibodies-and-review-of-the-literature
#4
REVIEW
Antonio Alberto Zuppa, Riccardo Riccardi, Simonetta Frezza, Francesca Gallini, Rita Maria Paola Luciano, Giovanni Alighieri, Costantino Romagnoli, Sara De Carolis
Neonatal Lupus Syndrome (NLS) is a distinct clinical entity caused by transplacental passage of maternal anti-SSA/Ro antibodies (Ab). Mothers may have systemic lupus erythematosus, Sjögren syndrome, or other connective tissue disease, or may be completely healthy at the time of giving birth. NLS includes several clinical manifestations: complete congenital heart block (CCHB) and cutaneous lupus are the most common, while hepatobiliary disease, hematological manifestations and central nervous system involvement may occur...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28209103/analysis-of-15-patients-with-abnormal-liver-function-as-the-first-systemic-lupus-erythematosus-symptom
#5
Y Gao, W Li, Q-H Meng, H-X Liu, Y-K Zhu
OBJECTIVE: To understand the clinical characteristics of patients with abnormal liver function as the first symptom of systemic lupus erythematosus (SLE). METHODS: Here, 15 patients admitted to a hospital from January 2010 to December 2013 with initial presentation of lupus-related hepatitis or cirrhosis were included. Their SLE-DAI scores and clinical and laboratory data were collected. All cases received liver protection therapy and active SLE controlling treatment with methylprednisolone combined with rapamycin...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28205395/pregnancy-outcomes-and-contraceptive-use-in-patients-with-systemic-lupus-erythematosus-rheumatoid-arthritis-and-women-without-a-chronic-illness-a-comparative-study
#6
Priyadarshani Galappatthy, Jayan D D Jayasinghe, Sampath C Paththinige, Rezvi M H Sheriff, Lalith S Wijayaratne
OBJECTIVES: To compare the pregnancy outcomes and contraceptive practices in systemic lupus erythematosus (SLE), rheumatoid arthritis (RA) and women with no chronic illness (WNCI) in a tertiary care referral center in Colombo, Sri Lanka. METHODS: Patients with SLE satisfying American College of Rheumatology criteria for diagnosis and history of pregnancies were recruited from university lupus clinic, National Hospital of Sri Lanka (NHSL). Age-matched women with history of pregnancy and RA were recruited from the rheumatology clinic, NHSL and WNCI from a surgical clinic...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28205373/pulmonary-hypertension-in-connective-tissue-diseases-an-update
#7
REVIEW
Ramya Aithala, Anoop G Alex, Debashish Danda
Pulmonary hypertension (PH) is a relatively commoner complication of systemic sclerosis (SSc) with estimated prevalence ranging between 8% and 12% as compared to much lower figures in other connective tissue diseases (CTD). It is a major cause of morbidity and mortality in CTDs. PH is classified into five major groups. CTD-associated PH belongs to group 1 PH, also known as pulmonary arterial hypertension (PAH). Around 30% of scleroderma-related deaths are due to PAH. Underlying pathogenesis is related to pulmonary vasculopathy involving small vessels...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28198159/meta-analysis-of-associations-between-xrcc1-gene-polymorphisms-and-susceptibility-to-systemic-lupus-erythematosus-and-rheumatoid-arthritis
#8
Ming-Yue Zhang, Xiao-Ke Yang, Tian-Tian Lv, Jun Wu, Shu-Zhen Xu, Jie-Bing Wang, Hai-Feng Pan, Dong-Qing Ye
OBJECTIVE: To determine whether X-ray repair cross-complementing group 1 (XRCC1) gene polymorphisms confer susceptibility to systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). A meta-analysis was conducted to determine the associations between XRCC1 gene polymorphisms and susceptibility to SLE and RA. METHODS: A systematic literature search was conducted to identify all relevant studies. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were used to estimate the strength of the association...
February 15, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28196774/is-the-free-ranging-jaguar-panthera-onca-a-reservoir-for-cytauxzoon-felis-in-brazil
#9
Mariana Malzoni Furtado, Sueli Akemi Taniwaki, Betina Metzger, Karina Dos Santos Paduan, Helena Lucia O'Dwyer, Anah Tereza de Almeida Jácomo, Grasiela E O Porfírio, Leandro Silveira, Rahel Sollmann, Natália Mundim Tôrres, José Soares Ferreira Neto
This study investigated the occurrence of Cytauxzoon felis and Babesia spp. in free-ranging jaguars (Panthera onca), domestic dogs (Canis lupus familiaris) and domestic cats (Felis catus) from the Cerrado, Amazon and Pantanal biomes of Brazil. Blood samples were collected from 30 jaguars, 129 dogs and 22 cats for detection of the 18S rRNA genes of piroplasmids. All of the jaguars from the Pantanal (n=22) and Cerrado (n=4) and three of four jaguars from the Amazon were positive for C. felis, but no dogs or cats were positive for the agent...
February 6, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28195263/kikuchi-fujimoto-disease-a-clinicopathologic-update
#10
F Pepe, S Disma, C Teodoro, P Pepe, G Magro
Kikuchi-Fujmoto disease (KFD), also known as "histiocytic necrotizing lymphadenitis", is a rare lymphadenitis of unknown origin, but with an excellent prognosis. It is more common in Asia, but isolated cases are also reported in America, Africa and Europe. The disease can have an acute or subacute course, usually develops in 1 to 3 weeks, with spontaneous resolution in 1-4 months. The main clinical sign is cervical lymphadenopathy, especially in the posterior cervical triangle with bulky and painful lymph nodes, usually affecting only one side; rare cases of generalized lymphadenopathy can be seen...
September 2016: Pathologica
https://www.readbyqxmd.com/read/28192517/neutrophils-and-neutrophil-serine-proteases-are-increased-in-the-spleens-of-estrogen-treated-c57bl-6-mice-and-several-strains-of-spontaneous-lupus-prone-mice
#11
Rujuan Dai, Catharine Cowan, Bettina Heid, Deena Khan, Zhihong Liang, Christine T N Pham, S Ansar Ahmed
Estrogen, a natural immunomodulator, regulates the development and function of diverse immune cell types. There is now renewed attention on neutrophils and neutrophil serine proteases (NSPs) such as neutrophil elastase (NE), proteinase 3 (PR3), and cathepsin G (CG) in inflammation and autoimmunity. In this study, we found that although estrogen treatment significantly reduced total splenocytes number, it markedly increased the splenic neutrophil absolute numbers in estrogen-treated C57BL/6 (B6) mice when compared to placebo controls...
2017: PloS One
https://www.readbyqxmd.com/read/28185656/subacute-cutaneous-lupus-erythematosus-clinical-characteristics-disease-associations-treatments-and-outcomes-in-a-series-of-90%C3%A2-patients-at-mayo-clinic-1996-2011
#12
Dema T Alniemi, Albert Gutierrez, Lisa A Drage, David A Wetter
OBJECTIVE: To characterize the clinical presentation, laboratory studies, disease associations, and treatments of subacute cutaneous lupus erythematosus (SCLE). PATIENTS AND METHODS: A retrospective review of 90 patients with SCLE at Mayo Clinic from January 1, 1996, through October 28, 2011, was performed. RESULTS: The mean patient age at diagnosis was 61 years; 64 patients (71%) were women, and 11 cases (12%) were drug induced (1996-2000, no drug-induced cases; 2001-2005, 2 cases; 2006-2011, 9 cases)...
February 6, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28185016/association-between-paraoxonase-1-gene-q192r-and-l55m-polymorphisms-in-systemic-lupus-erythematosus-sle-and-anti-phospholipid-syndrome-aps-in-a-population-from-cairo-of-egypt
#13
Alshaymaa Ahmed Ibrahim, Dalia El-Lebedy, Ingy Ashmawy, Maha Abdel Hady
Paraoxonase-1 (PON1) is involved in the oxidative stress process that cause tissue damage observed in systemic lupus erythematosus (SLE) and anti-phospholipid syndrome (APS). The aim of the present study was to investigate the association of PON1 Q192R and L55M polymorphisms with risk of SLE and associated APS among Egyptian sample. The study included 120 SLE patients (45 without APS and 75 with APS) and 120 healthy subjects. PON1 Q192R and L55M polymorphisms were genotyped by real-time PCR. No significant differences in Q192R genotypes or allele frequencies were found between patients and controls (p = 0...
February 9, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28182833/comparative-effectiveness-of-mycophenolate-mofetil-for-the-treatment-of-childhood-onset-proliferative-lupus-nephritis
#14
Simon Y Tian, Earl D Silverman, Eleanor Pullenayegum, Patrick E Brown, Joseph Beyene, Brian M Feldman
OBJECTIVES: Although childhood-onset proliferative lupus nephritis (cPLN) leads to significant morbidity and mortality, there is no trial evidence to support the treatment effectiveness of any therapy for cPLN. Marginal structural models (MSMs) enable us to estimate treatment effectiveness using observational data while accounting for confounding by indication. METHODS: We used prospectively collected data to examine the effect of mycophenolate mofetil (MMF), compared to the use of other therapies, on the long-term outcome of our cPLN cohort (age at onset of PLN < 18 years)...
February 9, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28179516/competition-between-apex-predators-brown-bears-decrease-wolf-kill-rate-on-two-continents
#15
Aimee Tallian, Andrés Ordiz, Matthew C Metz, Cyril Milleret, Camilla Wikenros, Douglas W Smith, Daniel R Stahler, Jonas Kindberg, Daniel R MacNulty, Petter Wabakken, Jon E Swenson, Håkan Sand
Trophic interactions are a fundamental topic in ecology, but we know little about how competition between apex predators affects predation, the mechanism driving top-down forcing in ecosystems. We used long-term datasets from Scandinavia (Europe) and Yellowstone National Park (North America) to evaluate how grey wolf (Canis lupus) kill rate was affected by a sympatric apex predator, the brown bear (Ursus arctos). We used kill interval (i.e. the number of days between consecutive ungulate kills) as a proxy of kill rate...
February 8, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28178879/prognostic-significance-of-renal-vascular-pathology-in-lupus-nephritis
#16
J M Mejía-Vilet, B M Córdova-Sánchez, N O Uribe-Uribe, R Correa-Rotter, L E Morales-Buenrostro
We performed a retrospective cohort analysis to define the prognostic significance of vascular lesions documented in renal biopsies of lupus nephritis patients. A total of 429 patients were segregated into five groups: (1) no vascular lesions (NVL), (2) arterial sclerosis (AS), (3) non-inflammatory necrotizing vasculitis (NNV), (4) thrombotic microangiopathy (TMA), and (5) true renal vasculitis (TRV). Renal outcomes were analyzed by Cox regression models, and correlations between vascular lesions and activity/chronicity scores were determined by Spearman's coefficients...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28178878/disease-characterization-of-systemic-lupus-erythematosus-sle-patients-in-quebec
#17
R Ng, S Bernatsky, E Rahme
Objective Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by an array of organ manifestations that can appear during flares and disappear during remissions. The objectives of this study were: (i) to examine SLE manifestation groups longitudinally in an SLE cohort; and (ii) to assess the association between early antimalarial treatment and renal manifestations. Methods Seven SLE manifestation groups-cutaneous, hematologic, lung, musculoskeletal, neuropsychiatric, serositis, renal-were tracked using Kaplan-Meier survival curves in an incident SLE cohort from Quebec health administrative data ( n = 2010)...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28178431/neuropsychiatric-systemic-lupus-erythematosus-involvement-towards-a-tailored-approach-to-our-patients
#18
REVIEW
Raquel Faria, João Gonçalves, Rita Dias
Neuropsychiatric involvement in systemic lupus erythematosus (NPSLE) is a complex condition that remains poorly understood, and includes heterogeneous manifestations involving both the central and peripheral nervous system, with disabling effects. There are several models to improve NPSLE diagnosis when a neurological syndrome is present. In the last couple of years, the growing knowledge of the role of cytokines and antibodies in NPSLE, as well as the development of new functional imaging techniques, has brought some insights into the physiopathology of the disease, but their validation for clinical use remains undetermined...
January 30, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28168661/psoriasis-in-systemic-lupus-erythematosus-a-single-center-experience
#19
Konstantinos Tselios, Kristy Su-Ying Yap, Rattapol Pakchotanon, Ari Polachek, Jiandong Su, Murray B Urowitz, Dafna D Gladman
The coexistence of psoriasis with systemic lupus erythematosus (SLE) has been reported in limited case series, raising hypotheses about shared pathogenetic mechanisms. Nevertheless, important differences regarding treatment do exist. The aim of the present study was to determine the prevalence and characteristics of psoriasis in a defined cohort of lupus patients. Patients with psoriasis were retrieved from the University of Toronto Lupus Clinic from its inception in 1970 up to 2015. Charts were hand-searched to collect information concerning demographic, clinical, and therapeutic variables...
February 6, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28166678/alterations-in-b-cell-development-cdr-h3-repertoire-and-dsdna-binding-antibody-production-among-c57bl-6-%C3%AE-d-id-mice-congenic-for-the-lupus-susceptibility-loci-sle1-sle2-or-sle3
#20
Mohamed Khass, Robert L Schelonka, Cun Ren Liu, Ada Elgavish, Laurence Morel, Peter D Burrows, Harry W Schroeder
Systemic lupus erythematosus (SLE) is an autoimmune disease that reflects a failure to block the production of self-reactive antibodies, especially those that bind double-stranded DNA (dsDNA). Backcrossing the lupus-prone NZM2410 genome onto C57BL/6 led to the identification of three genomic intervals, termed sle1, sle2 and sle3, which are associated with lupus susceptibility. We previously generated a C57BL/6 strain congenic for an immunoglobulin DH locus (ΔD-iD) that enriches for arginine at dsDNA-binding positions...
February 2017: Autoimmunity
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