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Systemic autoimmunity

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https://www.readbyqxmd.com/read/28324273/acute-pancreatitis-caused-by-mycoplasma-pneumoniae-an-unusual-etiology
#1
Teresa Valdés Lacasa, María Alejandra Duarte Borges, Alicia García Marín, Covadonga Gómez Cuervo
It is well known that the most important etiologies of acute pancreatitis are gallstones and alcohol consumption. Once these causes have been ruled out, especially in young adults, it is important to consider less frequent etiologic factors such as drugs, trauma, malformations, autoimmunity or systemic diseases. Other rare and less well studied causes of this pathology are infections, among which Mycoplasma pneumoniae has been reported to cause acute pancreatitis as an unusual extrapulmonary manifestation. Here, we report the case of a 21-year-old patient who had acute idiopathic pancreatitis associated with an upper respiratory tract infection...
March 21, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28320131/epigenetic-and-gene-expression-alterations-of-foxp3-in-the-t-cells-of-eae-mouse-model-of-multiple-sclerosis
#2
Ali Noori-Zadeh, Seyed Alireza Mesbah-Namin, Ali Akbar Saboor-Yaraghi
Multiple sclerosis (MS) is a chronic autoimmune disease with demyelination and neurodegeneration of the central nervous system. It has been shown that the regulatory T (Treg) cells are responsible for maintaining tolerance to self-antigens and can suppress the autoimmune process in several animal models such as experimental autoimmune encephalomyelitis (EAE), a mouse model of MS. Recent basic studies have demonstrated that forkhead box P (FOXP3) and BTB domain and CNC homolog 2 (BACH2) are the master transcription factors of these cells playing a pivotal role in the polarization of naïve T cells into Treg cells...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319634/late-onset-bexarotene-induced-cd4-lymphopenia-in-a-cutaneous-t-cell-lymphoma-patient
#3
Karin Eshagh, Laura S Romero, Jessica K So, Xianfeng Frank Zhao
Various infections, autoimmune diseases, medications, and total-body irradiation are known factors associated with CD4 lymphopenia, defined as a CD4 T-cell count below 300 cells/mL or less than 20% of total lymphocytes. We report a rare case of a patient with cutaneous T-cell lymphoma (CTCL) who developed profound CD4 lymphopenia in the setting of long-term bexarotene therapy. Bexarotene is a third-generation retinoid that inhibits epithelial cell proliferation and is approved for treatment of advanced CTCL (stages IIB-IVB) in adult patients who have failed at least 1 prior systemic therapy...
February 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28319545/systemic-lupus-erythematosus-is-associated-with-increased-adverse-postoperative-renal-outcomes-and-mortality-a-historical-cohort-study-using-administrative-health-data
#4
Rovnat Babazade, Huseyin Oguz Yilmaz, Steve M Leung, Nicole M Zimmerman, Alparslan Turan
BACKGROUND: Systemic lupus erythematosus (SLE) is a common autoimmune connective tissue disease that mainly harms kidneys, heart, lungs, and nervous system. Effects of surgical stimulus and anesthesia combined with SLE-related pathologies may increase morbidity and mortality. Therefore, we aimed to evaluate the association between SLE (versus none) and postoperative renal, cardiac, and in-hospital mortality complications among patients undergoing major surgeries. METHODS: We obtained censuses of 2009 to 2011 inpatient hospital discharges across 7 states and conducted a retrospective cohort study by using International Classification of Diseases and Injuries, Version 9, diagnosis codes, procedure codes, and present-on-admission indicators...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28318633/capillary-leak-syndrome-etiologies-pathophysiology-and-management
#5
REVIEW
Eric Siddall, Minesh Khatri, Jai Radhakrishnan
In various human diseases, an increase in capillary permeability to proteins leads to the loss of protein-rich fluid from the intravascular to the interstitial space. Although sepsis is the disease most commonly associated with this phenomenon, many other diseases can lead to a "sepsis-like" syndrome with manifestations of diffuse pitting edema, exudative serous cavity effusions, noncardiogenic pulmonary edema, hypotension, and, in some cases, hypovolemic shock with multiple-organ failure. The term capillary leak syndrome has been used to describe this constellation of disease manifestations associated with an increased capillary permeability to proteins...
March 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28317889/mirnas-novel-regulators-of-autoimmunity-mediated-pancreatic-%C3%AE-cell-destruction-in-type-1-diabetes
#6
REVIEW
Ying Zheng, Zhen Wang, Zhiguang Zhou
MicroRNAs (miRNAs) are a series of conserved, short, non-coding RNAs that modulate gene expression in a posttranscriptional manner. miRNAs are involved in almost every physiological and pathological process. Type 1 diabetes (T1D) is an autoimmune disease that is the result of selective destruction of pancreatic β-cells driven by the immune system. miRNAs are also important participants in T1D pathogenesis. Herein, we review the most recent data on the potential involvement of miRNAs in T1D. Specifically, we focus on two aspects: the roles of miRNAs in maintaining immune homeostasis and regulating β-cell survival and/or functions in T1D...
March 20, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28317620/lupus-hepatitis-and-autoimmune-hepatitis-lupoid-hepatitis
#7
REVIEW
Avinash Adiga, Kenneth Nugent
Liver dysfunction occurs in approximately 50% of patients with systemic lupus erythematosus (SLE), and patients with SLE and elevated liver enzymes can present a complicated and difficult differential diagnosis. Lupus hepatitis and autoimmune hepatitis are 2 immunologic conditions involving the liver, which can have similar clinical, laboratory and systemic presentations, leading to difficulties in diagnosis. Physicians need to be aware of these 2 hepatic diseases as diagnosis and appropriate therapy need to occur early in the disease course to prevent progression to advanced liver disease...
April 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28317533/genetics-of-vitiligo
#8
REVIEW
Richard A Spritz, Genevieve H L Andersen
Vitiligo reflects simultaneous contributions of multiple genetic risk factors and environmental triggers. Genomewide association studies have discovered approximately 50 genetic loci contributing to vitiligo risk. At many vitiligo susceptibility loci, the relevant genes and DNA sequence variants are identified. Many encode proteins involved in immune regulation, several play roles in cellular apoptosis, and others regulate functions of melanocytes. Although many of the specific biologic mechanisms need elucidation, it is clear that vitiligo is an autoimmune disease involving a complex relationship between immune system programming and function, aspects of the melanocyte autoimmune target, and dysregulation of the immune response...
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28317532/the-role-of-diet-and-supplements-in-vitiligo-management
#9
REVIEW
Pearl E Grimes, Rama Nashawati
Vitiligo is an autoimmune disorder that involves the interplay between oxidative stress and the immune system. Preliminary observations suggest that the presence of gluten in the diet may play a role in vitiligo development in some patients, but to date vitiligo-specific diets have not been studied. The role of oral supplements, including vitamins, minerals, and botanicals, is increasingly being investigated as adjuncts to conventional medical treatment due to their antioxidant and immunomodulatory activity...
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28317521/quality-of-life-burden-of-disease-co-morbidities-and-systemic-effects-in-vitiligo%C3%A2-patients
#10
REVIEW
Nada Elbuluk, Khaled Ezzedine
Vitiligo is a complex, systemic disease associated with many autoimmune and autoinflammatory conditions. Additionally, the cutaneous changes of vitiligo have significant effects on quality of life and self-esteem. Further efforts are needed to increase our understanding of vitiligo comorbidities as well as to increase awareness of the psychological effects of vitiligo.
April 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28316335/complement-in-anca-associated-vasculitis-mechanisms-and-implications-for-management
#11
REVIEW
Min Chen, David R W Jayne, Ming-Hui Zhao
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of potentially life-threatening autoimmune diseases. The main histological feature in the kidneys of patients with AAV is pauci-immune necrotizing crescentic glomerulonephritis with little immunoglobulin and complement deposition in the glomerular capillary walls. The complement system was not, therefore, initially thought to be associated with the development of AAV. Accumulating evidence from animal models and clinical observations indicate, however, that activation of the complement system - and the alternative pathway in particular - is crucial for the development of AAV, and that the complement activation product C5a has a central role...
March 20, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28315956/axonal-transport-deficits-in-multiple-sclerosis-spiraling-into-the-abyss
#12
REVIEW
Robert van den Berg, Casper C Hoogenraad, Rogier Q Hintzen
The transport of mitochondria and other cellular components along the axonal microtubule cytoskeleton plays an essential role in neuronal survival. Defects in this system have been linked to a large number of neurological disorders. In multiple sclerosis (MS) and associated models such as experimental autoimmune encephalomyelitis (EAE), alterations in axonal transport have been shown to exist before neurodegeneration occurs. Genome-wide association (GWA) studies have linked several motor proteins to MS susceptibility, while neuropathological studies have shown accumulations of proteins and organelles suggestive for transport deficits...
March 18, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28315319/interferon-alpha2a-and-systemic-corticosteroid-in-monotherapy-in-chronic-uveitis-results-of-the-randomised-controlled-birdferon-study
#13
Christine Fardeau, Anne Simon, Benoît Rodde, Fabiana Viscogliosi, Pierre Labalette, Vincent Looten, Sophie Tézenas du Montcel, Phuc LeHoang
PURPOSE: Macular edema is the leading cause of vision loss in bilateral chronic non-infectious posterior uveitis, and is used to being treated using corticosteroids, immunosuppressive agents and biotherapies. The aim of this trial was to assess and compare the efficacy and safety of corticosteroids and IFN-α in adults with such conditions. STUDY DESIGN: Randomized controlled trial SUBJECTS: Adult patients with bilateral posterior autoimmune non-infectious and non-tumoral uveitis complicated by macular edema in at least one eye, were recruited...
March 14, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28315185/analysis-of-dfs70-pattern-and-impact-on-ana-screening-using-a-novel-hep-2-elite-dfs70-knockout-substrate
#14
Kishore Malyavantham, Lakshmanan Suresh
Indirect immunofluorescence (IIF) using human epithelial cell (HEp-2) substrate is a widely used and the recommended method for screening of antinuclear antibodies (ANA). Dense fine speckled (DFS70) pattern on HEp-2 has been widely reported in various healthy and disease groups. Interpretation of DFS70 pattern can be challenging on a conventional HEp-2 substrate due to its similarity to some of the disease associated patterns. The high prevalence of DFS70 autoantibodies in normal population, lack of association with a particular disease group and a general negative association with systemic and ANA associated autoimmune rheumatic diseases (SARD/AARD) necessitates the confirmation of DFS70 pattern...
December 2017: Auto- Immunity Highlights
https://www.readbyqxmd.com/read/28314753/transethnic-meta-analysis-identifies-gsdma-and-prdm1-as-susceptibility-genes-to-systemic-sclerosis
#15
Chikashi Terao, Takahisa Kawaguchi, Philippe Dieude, John Varga, Masataka Kuwana, Marie Hudson, Yasushi Kawaguchi, Marco Matucci-Cerinic, Koichiro Ohmura, Gabriela Riemekasten, Aya Kawasaki, Paolo Airo, Tetsuya Horita, Akira Oka, Eric Hachulla, Hajime Yoshifuji, Paola Caramaschi, Nicolas Hunzelmann, Murray Baron, Tatsuya Atsumi, Paul Hassoun, Takeshi Torii, Meiko Takahashi, Yasuharu Tabara, Masakazu Shimizu, Akiko Tochimoto, Naho Ayuzawa, Hidetoshi Yanagida, Hiroshi Furukawa, Shigeto Tohma, Minoru Hasegawa, Manabu Fujimoto, Osamu Ishikawa, Toshiyuki Yamamoto, Daisuke Goto, Yoshihide Asano, Masatoshi Jinnin, Hirahito Endo, Hiroki Takahashi, Kazuhiko Takehara, Shinichi Sato, Hironobu Ihn, Soumya Raychaudhuri, Katherine Liao, Peter Gregersen, Naoyuki Tsuchiya, Valeria Riccieri, Inga Melchers, Gabriele Valentini, Anne Cauvet, Maria Martinez, Tsuneyo Mimori, Fumihiko Matsuda, Yannick Allanore
OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease characterised by skin and systemic fibrosis culminating in organ damage. Previous genetic studies including genome-wide association studies (GWAS) have identified 12 susceptibility loci satisfying genome-wide significance. Transethnic meta-analyses have successfully expanded the list of susceptibility genes and deepened biological insights for other autoimmune diseases. METHODS: We performed transethnic meta-analysis of GWAS in the Japanese and European populations, followed by a two-staged replication study comprising a total of 4436 cases and 14 751 controls...
March 17, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28306571/cns-syndromes-associated-with-antibodies-against-metabotropic-receptors
#16
Eric Lancaster
PURPOSE OF REVIEW: Autoantibodies to Central nervous system (CNS) metabotropic receptors are associated with a growing family of autoimmune brain diseases, including encephalitis, basal ganglia encephalitis, Ophelia syndrome, and cerebellitis. The purpose of this review is to summarize the state of knowledge regarding the target receptors, the neurological autoimmune disorders, and the pathogenic mechanisms. RECENT FINDINGS: Antibodies to the γ-aminobutyric acid B receptor are associate with limbic encephalitis and severe seizures, often with small cell lung cancers...
March 16, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28304239/immunoglobulin-g4-related-epidural-inflammatory-pseudotumor-presenting-with-pulmonary-complications-and-spinal-cord-compression-case-report
#17
Kavelin Rumalla, Kyle A Smith, Paul M Arnold
Immunoglobulin G4-related disease (IgG4-RD) is a recently defined condition characterized by inflammatory tumefactive lesions in various organ systems. IgG4-RD is a clinical and radiological diagnosis of exclusion and requires the presence of specific histopathological criteria for diagnosis. A 50-year-old man presented to an outside hospital with a 3-month history of progressively worsening back pain and symptoms of pleurisy, nasal crusting, and hematochezia. Radiological workup revealed an epidural-paraspinal mass with displacement of the spinal cord, destruction of the T5-6 vertebrae, and extension into the right lung...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28303481/morphea-and-eosinophilic-fasciitis-an-update
#18
REVIEW
Jorre S Mertens, Marieke M B Seyger, Rogier M Thurlings, Timothy R D J Radstake, Elke M G J de Jong
Morphea, also known as localized scleroderma, encompasses a group of idiopathic sclerotic skin diseases. The spectrum ranges from relatively mild phenotypes, which generally cause few problems besides local discomfort and visible disfigurement, to subtypes with severe complications such as joint contractures and limb length discrepancies. Eosinophilic fasciitis (EF, Shulman syndrome) is often regarded as belonging to the severe end of the morphea spectrum. The exact driving mechanisms behind morphea and EF pathogenesis remain to be elucidated...
March 16, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28303359/vitamin-d-deficiency-as-a-risk-factor-for-the-development-of-autoantibodies-in-patients-with-asia-and-silicone-breast-implants-a-cohort-study-and-review-of-the-literature
#19
Maartje J L Colaris, Rene R van der Hulst, Jan Willem Cohen Tervaert
The development of autoimmunity and/or autoimmune diseases is multifactorial. Vitamin D is one of the factors that might play a role. We postulated that both the presence of adjuvants and insufficient levels of vitamin D may result in the development of autoimmunity in patients with autoimmune/inflammatory syndrome induced by adjuvants (ASIA) in relation to silicone implant incompatibility. We measured vitamin D levels in 135 patients with ASIA in relation to silicone implant incompatibility and related findings to the presence of autoantibodies that are commonly used to diagnose systemic autoimmune diseases...
March 17, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28303136/expansions-of-cytotoxic-cd4-cd28-t-cells-drive-excess-cardiovascular-mortality-in-rheumatoid-arthritis-and-other-chronic-inflammatory-conditions-and-are-triggered-by-cmv-infection
#20
REVIEW
Iain Broadley, Alejandra Pera, George Morrow, Kevin A Davies, Florian Kern
A large proportion of cardiovascular (CV) pathology results from immune-mediated damage, including systemic inflammation and cellular proliferation, which cause a narrowing of the blood vessels. Expansions of cytotoxic CD4(+) T cells characterized by loss of CD28 ("CD4(+)CD28(-) T cells" or "CD4(+)CD28(null) cells") are closely associated with cardiovascular disease (CVD), in particular coronary artery damage. Direct involvement of these cells in damaging the vasculature has been demonstrated repeatedly. Moreover, CD4(+)CD28(-) T cells are significantly increased in rheumatoid arthritis (RA) and other autoimmune conditions...
2017: Frontiers in Immunology
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