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Autoimmunity

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https://www.readbyqxmd.com/read/28527290/association-of-polymorphic-variants-of-ptpn22-tnf-and-vdr-genes-in-children-with-lupus-nephritis-a-study-in-colombian-family-triads
#1
Gloria Garavito, Eduardo Egea, Luis Fang, Clara Malagón, Carlos Olmos, Luz González, Pilar Guarnizo, Gustavo Aroca, Guillermo López, Antonio Iglesias
INTRODUCTION: Systemic lupus erythematosus is an autoimmune disease in which the severity varies according to race, sex and age of onset. This variation is also observed in the genetic markers associated with the disease, including PTPN22, VDR and TNF genes. The genetic stratification in different populations worldwide can influence the variability. OBJECTIVE: To analyze the heritability of PTPN22, VDR and TNF genetic variants and their association with pediatric lupus nephritis in Colombian families...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28527262/-autoimmune-encephalitis-associated-to-antibodies-against-the-n-methyl-d-aspartate-receptor-report-of-two-cases
#2
José Bustos, Yasmin Sánchez, Jhon Medina, Rommy Olivieri, Julián Mojica, Johan Ortiz
Anti-N-methyl-D-aspartate receptor encephalitis is a neurological syndrome that is more common in young women and is often associated with ovarian teratoma. It is characterized by acute general unspecific symptoms that evolve to neurological deterioration, psychosis and seizures. In its more advanced stage it is associated with abnormal movements and dysautonomia.We report two cases in women of 23 and 12 years of age. Given its low incidence, we present the clinical exercise that led to their diagnoses and the treatment options employed...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28527171/lymphocytic-hypophysitis-mimicking-pituitary-macroadenoma
#3
Tarun Kumar Ralot, Jitesh Aggarwal, Raghavendra Haniadka, Kushal Gehlot, Nikhil Dongre, Swapnil Patil
Lymphocytic hypophysitis is an inflammatory /autoimmune disorder that primarily involves the pituitary gland and the pituitary stalk. The common clinical presentations include headache, nausea, vomiting, fatigue, features of hypopituitarism and diabetes insipidus as well as diplopia, orbital pain and bitemporal hemianopia. We report a case of lymphocytic hypophysitis which presented as hemichorea. Neuroimaging showed a mass in the sella tursica region which, on histopathological examination was suggestive of lymphocytic hypophysitis...
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28526919/antibodies-to-post-translationally-modified-insulin-as-a-novel-biomarker-for-prediction-of-type-1-diabetes-in-children
#4
Rocky Strollo, Chiara Vinci, Nicola Napoli, Paolo Pozzilli, Johnny Ludvigsson, Ahuva Nissim
AIMS/HYPOTHESIS: We have shown that autoimmunity to insulin in type 1 diabetes may result from neoepitopes induced by oxidative post-translational modifications (oxPTM). Antibodies specific to oxPTM-insulin (oxPTM-INS-Ab) are present in most newly diagnosed individuals with type 1 diabetes and are more common than autoantibodies to native insulin. In this study, we investigated whether oxPTM-INS-Ab are present before clinical onset of type 1 diabetes, and evaluated the ability of oxPTM-INS-Ab to identify children progressing to type 1 diabetes...
May 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28526812/soluble-axl-is-an-accurate-biomarker-of-cirrhosis-and-hepatocellular-carcinoma-development-results-from-a-large-scale-multicenter-analysis
#5
Mirko Dengler, Katharina Staufer, Heidemarie Huber, Rudolf Stauber, Heike Bantel, Karl Heinz Weiss, Patrick Starlinger, Hannelore Pock, Petra Klöters-Plachky, Daniel N Gotthardt, Peter Rauch, Carolin Lackner, Judith Stift, Christine Brostjan, Thomas Gruenberger, Takashi Kumada, Hidenori Toyoda, Toshifumi Tada, Thomas S Weiss, Michael Trauner, Wolfgang Mikulits
Patients with chronic liver disease (CLD) and cirrhosis are at high risk for hepatocellular carcinoma (HCC). Current diagnostic tools for HCC detection include imaging techniques and serum biomarkers such as α-fetoprotein (AFP). Yet, these methods are limited in sensitivity and specificity to accurately detect early HCC. Here we focused on the potential of soluble Axl (sAxl) as a biomarker in CLD patients by analyzing serum samples of 1067 patients and healthy controls from centers in Europe and Asia. We show that serum concentrations of sAxl were significantly increased at early (82...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526593/cardiac-tamponade-as-an-initial-presentation-for-systemic-lupus-erythematosus
#6
William Li, Thomas Frohwein, Kenneth Ong
Systemic lupus erythematosus (SLE) is a chronic autoimmune inflammatory disease which follows a relapsing and remitting course that can manifest in any organ system. While classic manifestations consist of arthralgia, myalgia, frank arthritis, a malar rash and renal failure to name a few, cardiac tamponade, however, is a far less common and far more dangerous presentation. We highlight the case of a 61year-old male with complaints of acute onset shortness of breath and generalized body aches associated with a fever and chills in the ER...
April 29, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28526581/a-novel-mouse-model-of-chronic-prostatitis-chronic-pelvic-pain-syndrome-induced-by-immunization-of-special-peptide-fragment-with-aluminum-hydroxide-adjuvant
#7
Farhan Ullah Khan, Awais Ullah Ihsan, Waqas Nawaz, Muhammad Zahid Khan, Mengqi Yang, Gang Wang, Xiaoqian Liao, Lei Han, Xiaohui Zhou
OBJECTIVES: CP/CPPS is a commonly observed distress in male patients. Because of its little-known etiology, no effective therapy has been developed which has promising outcomes. Therefore, there is a need to develop a valid model which can mimic the etiology of CP/CPPS. MATERIALS AND METHODS: Fifty male C57BL/6 mice were randomly and averagely divided into 5 groups of 10 mice each. The control group was injected with 0.9% NaCl solution. Aluminum hydroxide and T2 groups were injected with aluminum hydroxide adjuvant and T2 peptide...
May 16, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28526340/unfolding-the-pathogenesis-of-scleroderma-through-genomics-and-epigenomics
#8
REVIEW
Pei-Suen Tsou, Amr H Sawalha
With unknown etiology, scleroderma (SSc) is a multifaceted disease characterized by immune activation, vascular complications, and excessive fibrosis in internal organs. Genetic studies, including candidate gene association studies, genome-wide association studies, and whole-exome sequencing have supported the notion that while genetic susceptibility to SSc appears to be modest, SSc patients are genetically predisposed to this disease. The strongest genetic association for SSc lies within the MHC region, with loci in HLA-DRB1, HLA-DQB1, HLA-DPB1, and HLA-DOA1 being the most replicated...
May 16, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28526280/an-overview-of-medical-risk-factors-for-childhood-psychosis-implications-for-research-and-treatment
#9
REVIEW
Marianna Giannitelli, Angèle Consoli, Marie Raffin, Renaud Jardri, Douglas F Levinson, David Cohen, Claudine Laurent-Levinson
OBJECTIVE: Psychotic disorders in childhood and early adolescence often progress to chronic schizophrenia, but in many cases there are diagnosable medical and genetic causes or risk factors. We reviewed our clinical experience and the relevant literature to identify these factors and to define their clinical features, appropriate work-up and treatment. METHOD: We reviewed the results of comprehensive medical evaluations of 160 psychotic children and adolescents in our center...
May 16, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28526140/thymic-malignancies-twisting-between-autoimmunity-and-immunotherapy
#10
EDITORIAL
Nicolas Girard
No abstract text is available yet for this article.
May 11, 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28526137/cellular-and-molecular-mechanisms-of-autoimmunity-and-lupus-nephritis
#11
S K Devarapu, G Lorenz, O P Kulkarni, H-J Anders, S R Mulay
Autoimmunity involves immune responses directed against self, which are a result of defective self/foreign distinction of the immune system, leading to proliferation of self-reactive lymphocytes, and is characterized by systemic, as well as tissue-specific, inflammation. Numerous mechanisms operate to ensure the immune tolerance to self-antigens. However, monogenetic defects or genetic variants that weaken immune tolerance render susceptibility to the loss of immune tolerance, which is further triggered by environmental factors...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28526059/severe-polyserositis-induced-by-the-13-valent-pneumococcal-conjugate-vaccine-a-case-report
#12
Pierre Tawfik, Elie Gertner, Charlene E McEvoy
BACKGROUND: The United States Advisory Committee on Immunization Practices recommends administration of the 13-valent pneumococcal conjugate vaccine in series with the 23-valent pneumococcal polysaccharide vaccine for prevention of pneumonia in the elderly. Reports of autoimmune or auto-inflammatory diseases as a result of pneumococcal vaccination, especially pneumococcal conjugate vaccine, are extremely rare. CASE PRESENTATION: We present a case of severe serositis in a 75-year-old Caucasian woman complicated by pericardial and pleural effusions in the setting of recent 13-valent pneumococcal conjugate vaccine vaccination and no other obvious etiology...
May 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28525959/challenges-and-opportunities-in-targeting-the-cd28-ctla-4-pathway-in-transplantation-and-autoimmunity
#13
Rebecca L Crepeau, Mandy L Ford
Introduction T cell activation is a complex process that requires multiple cell signaling pathways, including a primary recognition signal and additional costimulatory signals. One of the best-characterized costimulatory pathways includes the Ig superfamily members CD28 and CTLA-4 and their ligands CD80 and CD86. Areas Covered This review discusses past, current and future biological therapies that have been utilized to block the CD28/CTLA-4 cosignaling pathway in the settings of autoimmunity and transplantation, as well the challenges facing successful implementation of these therapies...
May 19, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28525856/oleuropein-prevents-the-development-of-experimental-autoimmune-myocarditis-in-rats
#14
Jia-Ying Zhang, Zheng Yang, Kun Fang, Zhan-Li Shi, Dan-Hong Ren, Jing Sun
Oleuropein (OLE) is a natural secoiridoid that is derived from Olea europaea. OLE possesses cardioprotective effects in experimental models of hypertension, myocardial infarction, atherosclerosis and hyperlipidaemia. In the present study, the effects of OLE on experimental autoimmune myocarditis (EAM) were evaluated. EAM in rats were induced by subcutaneous injections of porcine cardiac myosin. Cardiac function parameters, myocardial pathology, myocardial inflammatory cell infiltration and nuclear factor kappa-B (NF-κB) expression were measured...
May 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28525775/the-association-between-systemic-lupus-erythematosus-and-bipolar-disorder%C3%A2-%C3%A2-a-big-data-analysis
#15
S Tiosano, Z Nir, O Gendelman, D Comaneshter, H Amital, A D Cohen, D Amital
BACKGROUND: Systemic lupus erythematosus (SLE) is a chronic, autoimmune disease that has a wide variety of physical manifestations, including neuropsychiatric features. Bipolar disorder (BD) is a chronic, episodic illness, that may present as depression or as mania. The objective of this study was to investigate the association between SLE and BD using big data analysis methods. METHODS: Patients with SLE were compared with age- and sex-matched controls regarding the prevalence of BD in a cross-sectional study...
April 4, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28525542/semiparametric-model-and-inference-for-spontaneous-abortion-data-with-a-cured-proportion-and-biased-sampling
#16
Jin Piao, Jing Ning, Christina D Chambers, Ronghui Xu
Evaluating and understanding the risk and safety of using medications for autoimmune disease in a woman during her pregnancy will help both clinicians and pregnant women to make better treatment decisions. However, utilizing spontaneous abortion (SAB) data collected in observational studies of pregnancy to derive valid inference poses two major challenges. First, the data from the observational cohort are not random samples of the target population due to the sampling mechanism. Pregnant women with early SAB are more likely to be excluded from the cohort, and there may be substantial differences between the observed SAB time and those in the target population...
May 18, 2017: Biostatistics
https://www.readbyqxmd.com/read/28525378/irf5-is-elevated-in-childhood-onset-sle-and-regulated-by-histone-acetyltransferase-and-histone-deacetylase-inhibitors
#17
Jin Shu, Ling Li, Lan-Bo Zhou, Jun Qian, Zhi-Dan Fan, Li-Li Zhuang, Lu-Lu Wang, Rui Jin, Hai-Guo Yu, Guo-Ping Zhou
Interferon regulatory factor 5 (IRF5) plays a critical role in the induction of type I interferon, proinflammatory cytokines and chemokines, and participates in the pathogenesis of autoimmune diseases such as systemic lupus erythematosus (SLE). However, the relationship between IRF5 and childhood-onset SLE remains elusive. In the present study, we demonstrated that levels of mRNA expression of IRF5, IFN-α, and Sp1 were significantly increased in childhood-onset SLE, as seen on quantitative real-time PCR, and the expression of Sp1 and IFN-α was positively correlated with IRF5...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525250/-unusual-association-between-auto-immune-hepatitis-and-pyoderma-gangrenosum-a-case-report
#18
X Vandemergel, M Lefebvre, I Focant, L Marot, D Ilisei
Pyoderma gangrenosum is an uncommon neutrophilic dermatosis that presents as an inflammatory and ulcerative disorder of the skin. This entity is associated with systemic diseases and autoimmune diseases but exceptionally with autoimmune hepatitis. We report the case of a 40 year-old woman diagnosed with type 1 autoimmune hepatitis 12 years earlier and admitted for the appearance of an ulcerative lesion in the left leg. Histology confirmed pyoderma gangrenosum.
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28524764/lack-of-association-between-stat4-single-nucleotide-polymorphisms-and-iranian-juvenile-rheumatoid-arthritis-patients
#19
Saeed Aslani, Mahdi Mahmoudi, Arash Salmaninejad, Shiva Poursani, Vahid Ziaee, Nima Rezaei
Juvenile rheumatoid arthritis (JRA) is a common chronic systemic autoimmune disease in children. Single nucleotide polymorphisms (SNPs) of signal transducer and activator of transcription 4 (STAT4) gene are suspected to have association with the risk of autoimmune diseases. Previous investigations have indicated that the STAT4 rs7574865 T allele was significantly associated with rheumatoid arthritis. In this study, we aimed to evaluate the association of STAT4 SNPs with JRA in Iranian population. T allele of STAT4 rs7574865 SNP was less frequent in patients than in controls, and the difference was not significant (p = 0...
March 2, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28524368/severe-pemphigoid-gestationis-associated-with-acute-disseminated-encephalomyelitis-in-the-setting-of-a-systemic-disorder
#20
Jawad Oumerzouk, Nabil Abida, Achraf Zaimi, Kaoutar Znati, El Mehdi Zbir, Ahmed Bourazza
Pemphigoid gestationis is a skin-specific autoimmune disorder that can sometimes present as the cutaneous manifestation of a multiorgan disease due to potentially common pathogenic mechanisms. We report a severe form of pemphigoid gestationis in a 32-year-old primigravida woman, who presented at 22 weeks of gestation with headaches and blurred vision, later developing encephalitis, intrauterine fetal demise and dilated cardiomyopathy.
May 19, 2017: Australasian Journal of Dermatology
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