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https://www.readbyqxmd.com/read/29338928/immunoproteomic-identification-of-antigenic-candidate-campylobacter-jejuni-and-human-peripheral-nerve-proteins-involved-in-guillain-barr%C3%A3-syndrome
#1
Aida Loshaj-Shala, Mara Colzani, Katerina Brezovska, Ana Poceva Panovska, Ljubica Suturkova, Giangiacomo Beretta
Immunoproteomics is become a potent methodology used for identifying immunoreactive proteins. In this study, an immunoproteomic approach based on 2-dimensional gel electrophoresis (2D-PAGE) and immunoblotting combined with high resolution mass spectrometry (MS) was used to identify immunoreactive proteins that might be involved in mechanisms of Guillain-Barré syndrome (GBS) development, regardless of their potential reciprocal molecular mimicry. Proteins isolated from C. jejuni and human peripheral nerve tissue (HPN) were separated with 2D SDS-PAGE and subjected to western blotting using serum samples from GBS patients...
January 9, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29338844/sfe-sfedp-adrenal-insufficiency-french-consensus-introduction-and-handbook
#2
Yves Reznik, Pascal Barat, Jérôme Bertherat, Claire Bouvattier, Frédéric Castinetti, Olivier Chabre, Philippe Chanson, Christine Cortet, Brigitte Delemer, Bernard Goichot, Damien Gruson, Laurence Guignat, Emmanuelle Proust-Lemoine, Marie-Laure Raffin Sanson, Rachel Reynaud, Dinane Samara Boustani, Dominique Simon, Antoine Tabarin, Delphine Zenaty
The French endocrinology society (SFE) and the French pediatric endocrinology society (DFSDP) have drawn up recommendations for the management of primary and secondary adrenal insufficiency in the adult and child, based on an analysis of the literature by 19 experts in 6 work-groups. A diagnosis of adrenal insufficiency should be suspected in the presence of a number of non-specific symptoms except hyperpigmentation which is observed in primary adrenal insufficiency. Diagnosis rely on plasma cortisol and ACTH measurement at 8am and/or the cortisol increase after synacthen administration...
January 12, 2018: Annales D'endocrinologie
https://www.readbyqxmd.com/read/29336783/bronchiectasis-is-highly-prevalent-in-anti-mpo-anca-associated-vasculitis-and-is-associated-with-a-distinct-disease-presentation
#3
Antoine Néel, Alexandra Espitia-Thibault, Pierre-Paul Arrigoni, Christelle Volteau, Marie Rimbert, Agathe Masseau, Christian Agard, Fadi Fakhouri, Renan Liberge, Mohamed Hamidou
OBJECTIVES: To assess the prevalence of bronchiectasis in a Western cohort with ANCA-positive granulomatosis with polyangiitis (GPA) or microscopic polyangiitis (MPA) and its correlations with disease presentation and outcome. METHODS: Retrospective study of ANCA-associated vasculitis (AAV) patients followed at Nantes University Hospital (2005-2015). Clinical, biological, and follow-up data were collected through chart review. Two experienced radiologists blinded to the clinical data interpreted chest high-resolution CTs according to the Feischner Society criteria...
December 7, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29317057/the-complex-associations-between-obstructive-sleep-apnea-and-auto-immune-disorders-a-review
#4
Mayand Vakil, Steven Park, Anna Broder
Obstructive sleep apnea is known to be associated with diseases such as hypertension, metabolic disorder, and cancer. A more controversial and less understood association is that of sleep apneas and the development and worsening of autoimmune and rheumatologic disorders. Through the main pathways of intermittent hypoxia and sleep deprivation, we hypothesize that obstructive sleep apnea creates a chronic inflammatory state that worsens or incites autoimmune disorders. This thorough review of the available literature highlights our current understanding of the relationship between these disease processes in order to demonstrate the importance of diagnosis and appropriate management of sleep disorders in patients suffering from rheumatologic diseases...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29316715/twelve-weeks-of-medium-intensity-exercise-therapy-affects-the-lipoprotein-profile-of-multiple-sclerosis-patients
#5
Winde Jorissen, Tim Vanmierlo, Inez Wens, Veerle Somers, Bart Van Wijmeersch, Jeroen F Bogie, Alan T Remaley, Bert O Eijnde, Jerome J A Hendriks
Multiple sclerosis (MS) is an inflammatory auto-immune disease of the central nervous system (CNS). Serum glucose alterations and impaired glucose tolerance (IGT) are reported in MS patients, and are commonly associated with the development of cardio-metabolic co-morbidities. We previously found that a subgroup of MS patients shows alterations in their lipoprotein profile that are similar to a pre-cardiovascular risk profile. In addition, we showed that a high-intensity exercise training has a positive effect on IGT in MS patients...
January 8, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29310835/april-gene-expression-in-a-cohort-of-egyptian-acute-myeloid-leukemia-patients-clinical-and-prognostic-significance
#6
Amira Ahmed Hammam, Shereen Mohamed Elhoseiny, Rania El-Sayed Sheir, Hisham Issa
APRIL (A Proliferation Inducing Ligand) is a member of the tumor necrosis factor (TNF) family. It is essential for the survival of normal and malignant B lymphocytes. Increased expression of APRIL is noted in most of hematological malignancies and auto immune diseases. We investigated the expression level of APRIL mRNA in 50 de novo acute myeloid leukemia (AML) patients, together with 20 healthy controls using a Real-Time Quantitative Reverse-Transcriptase Polymerase Chain Reaction (RTQ-PCR) with a specific aim of determining its relation to clinical features and laboratory findings at diagnosis and its impact on the response to therapy...
January 2018: Cancer Genetics
https://www.readbyqxmd.com/read/29310470/new-therapies-target-the-toxic-consequences-of-cholestatic-liver-disease
#7
Peter L M Jansen
Introduction In most cholestatic liver diseases the primary cholestasis-causing lesions are located in the biliary tree and may be of (auto)immune origin. Bile salts are responsible for the secondary toxic consequences. Bile salt and nuclear hormone directed therapies primarily aim at improving this secondary toxic injury. In primary biliary cholangitis, trials show statistically significant responses on biochemical endpoints. Preclinical studies suggest that FXR- and PPAR-agonists, inhibitors of the apical sodium-dependent bile salt transporter (ASBT-inhibitors) and the C23 UDCA derivative nor-UDCA are promising agents for the treatment of primary sclerosing cholangitis (PSC)...
January 9, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29299667/genetic-alterations-and-tumor-immune-attack-in-yo-paraneoplastic-cerebellar-degeneration
#8
Mathilde Small, Isabelle Treilleux, Coline Couillault, Daniel Pissaloux, Géraldine Picard, Sandrine Paindavoine, Valery Attignon, Qing Wang, Véronique Rogemond, Stéphanie Lay, Isabelle Ray-Coquard, Jacobus Pfisterer, Florence Joly, Andreas Du Bois, Dimitri Psimaras, Nathalie Bendriss-Vermare, Christophe Caux, Bertrand Dubois, Jérôme Honnorat, Virginie Desestret
Paraneoplastic cerebellar degenerations with anti-Yo antibodies (Yo-PCD) are rare syndromes caused by an auto-immune response against neuronal antigens (Ags) expressed by tumor cells. However, the mechanisms responsible for such immune tolerance breakdown are unknown. We characterized 26 ovarian carcinomas associated with Yo-PCD for their tumor immune contexture and genetic status of the 2 onconeural Yo-Ags, CDR2 and CDR2L. Yo-PCD tumors differed from the 116 control tumors by more abundant T and B cells infiltration occasionally organized in tertiary lymphoid structures harboring CDR2L protein deposits...
January 3, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29290789/acid-degradable-dextran-as-an-image-guided-sirna-carrier-for-cox-2-downregulation
#9
Zhihang Chen, Balaji Krishnamachary, Marie-France Penet, Zaver M Bhujwalla
Purpose: Effective in vivo delivery of siRNA to silence genes is a highly sought-after goal in the treatment of multiple diseases. Cyclooxygenase-2 (COX-2) is a major mediator of inflammation and its effective and specific downregulation has been of major interest to treat conditions ranging from auto-immune diseases to gastric inflammation and cancer. Here we developed a novel and efficient method to produce a multiple imaging reporter labeled cationic dextran nanopolymer with cleavable positive charge groups for COX-2 siRNA delivery...
2018: Theranostics
https://www.readbyqxmd.com/read/29287933/-humoral-immune-diseases-cutaneous-vasculitis-and-auto-immune-bullous-dermatoses
#10
Janine Wechsler
Humoral immunity is the cause of multiple diseases related to antibodies (IgA, IgG, IgM) produced by the patient. Two groups of diseases are identified. The first group is related to circulating antigen-antibody complexes. The antigens are various. They are often unknown. These immune complexes cause a vascular inflammation due to the complement fixation. Consequently, this group is dominated by inflammatory vasculitis. In the second group, the pathology is due to the fixation in situ of antibodies to a target antigen of the skin that is no more recognized by the patient...
December 26, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/29277816/paraneoplastic-auto-immune-hemolytic-anemia-an-unusual-sequela-of-enteric-duplication-cyst
#11
Arsha Sreedhar, Ranjit Nair, William Scialla
Enteric duplication (ED) cysts are rare congenital anomalies of the alimentary canal that present in childhood. Although benign in most case, ED cysts have the potential to cause complications including a rare association with secondary carcinomas. Autoimmune hemolytic anemia presenting as a paraneoplastic syndrome secondary to solid tumors is an unusual phenomenon. Here we report a patient case with ED cyst described in association with intestinal adenocarcinoma and warm-auto immune hemolytic anemia, with resolution of the hemolysis upon its surgical resection...
January 2018: Anticancer Research
https://www.readbyqxmd.com/read/29275464/the-role-of-tumor-microenvironment-in-cancer-immunotherapy
#12
Timothy Frankel, Mirna Perusina Lanfranca, Weiping Zou
The field of tumor immunology and immunotherapy has undergone a renaissance in the past decade do in large part to a better understanding of the tumor immune microenvironment. After suffering countless successes and setbacks in the twentieth century, immunotherapy has now come to the forefront of cancer research and is recognized as an important tool in the anti-tumor armamentarium. The goal of therapy is to aid the immune system in recognition and destruction of tumor cells by enhancing its ability to react to tumor antigens...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29242418/subclinical-hypothyroidism-a-prospective-observational-study-from-southern-india
#13
Mathrubootham Sridhar, Shriraam Mahadevan, Latha Vishwanathan, Anbezhil Subbarayan
OBJECTIVE: To assess the natural history and progression of subclinical hypothyroidism and to study factors which help predict evolution of subclinical hypothyroidism into overt hypothyroidism. METHODS: Longitudinal study in 40 children (2-16 yrs) presenting with subclinical hypothyroidism in a tertiary care unit in Chennai, India. Patients showing evidence of overt hypothyroidism or thyroid stimulating hormone ≥ 15 mIU/mL during follow-up were started on thyroxine...
December 14, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/29226301/the-2017-iuis-phenotypic-classification-for-primary-immunodeficiencies
#14
Aziz Bousfiha, Leïla Jeddane, Capucine Picard, Fatima Ailal, H Bobby Gaspar, Waleed Al-Herz, Talal Chatila, Yanick J Crow, Charlotte Cunningham-Rundles, Amos Etzioni, Jose Luis Franco, Steven M Holland, Christoph Klein, Tomohiro Morio, Hans D Ochs, Eric Oksenhendler, Jennifer Puck, Mimi L K Tang, Stuart G Tangye, Troy R Torgerson, Jean-Laurent Casanova, Kathleen E Sullivan
Since the 1990s, the International Union of Immunological Societies (IUIS) PID expert committee (EC), now called Inborn Errors of Immunity Committee, has published every other year a classification of the inborn errors of immunity. This complete catalog serves as a reference for immunologists and researchers worldwide. However, it was unadapted for clinicians at the bedside. For those, the IUIS PID EC is now publishing a phenotypical classification since 2013, which proved to be more user-friendly. There are now 320 single-gene inborn errors of immunity underlying phenotypes as diverse as infection, malignancy, allergy, auto-immunity, and auto-inflammation...
January 2018: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/29202391/high-resolution-ultrasound-in-patients-with-wartenberg-s-migrant-sensory-neuritis-a-case-control-study
#15
Ingrid J T Herraets, H Stephan Goedee, Johan A Telleman, Jan-Thies H van Asseldonk, Leo H Visser, W Ludo van der Pol, Leonard H van den Berg
OBJECTIVE: Wartenberg's migrant sensory neuritis (WMSN) is a rare, patchy, pure sensory neuropathy of unknown etiology. High-resolution ultrasonography (HRUS) is an emerging diagnostic technique for neuropathies, but it has not been applied in WMSN. In this study we aimed to determine HRUS abnormalities in WMSN. METHODS: We performed a case-control study of 8 newly diagnosed patients with WMSN and 22 treatment-naive disease controls (16 patients with pure sensory axonal neuropathy and 6 with pure sensory chronic inflammatory demyelinating polyneuropathy (CIDP) or Lewis-Sumner syndrome (LSS))...
November 21, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29188697/the-immune-system-basis-of-so-much-health-and-disease-4-immunocytes
#16
Crispian Scully, Eleni A Georgakopoulou, Yazan Hassona
The immune system is the body’s primary defence mechanism against infections, and disturbances in the system can cause disease if the system fails in defence functions (in immunocompromised people), or if the activity is detrimental to the host (as in auto-immune and auto-inflammatory states). A healthy immune system is also essential to normal health of dental and oral tissues. This series presents the basics for the understanding of the immune system, this article covers cells of the immune system (immunocytes)...
May 2017: Dental Update
https://www.readbyqxmd.com/read/29185130/increased-lipid-and-protein-oxidation-and-lowered-anti-oxidant-defenses-in-systemic-lupus-erythematosus-are-associated-with-severity-of-illness-autoimmunity-increased-adhesion-molecules-and-th1-and-th17-immune-shift
#17
Bruna Miglioranza Scavuzzi, Andréa Name Colado Simão, Tatiana Mayumi Veiga Iriyoda, Marcell Alysson Batisti Lozovoy, Nicole Perugini Stadtlober, Lorena Flor da Rosa Franchi Santos, Tamires Flauzino, Fabiano Aparecido de Medeiros, Marcelo Cândido de Sá, Luana Consentin, Edna Maria Vissoci Reiche, Michael Maes, Isaias Dichi
This study investigated nitro-oxidative stress in patients with systemic lupus erythematosus (SLE) in association with disease activity, immune-inflammatory biomarkers, and adhesion molecules. Two-hundred-four patients with SLE and 256 healthy volunteers were enrolled in this case-control study, which measured nitro-oxidative stress biomarkers, including lipid peroxides (LOOH), advanced oxidation protein products (AOPPs), nitric oxide metabolites (NOx), sulfhydryl (-SH) groups, products of deoxyribonucleic acid (DNA)/ribonucleic acid (RNA) oxidative degradation, and total radical-trapping anti-oxidant parameter (TRAP)...
November 29, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29183634/group-6-modalities-and-frequency-of-monitoring-of-patients-with-adrenal-insufficiency-patient-education
#18
Laurence Guignat, Emmanuelle Proust-Lemoine, Yves Reznik, Delphine Zenaty
Patients with adrenal insufficiency require regular, specialised monitoring in order to optimise their replacement therapy, to detect signs of under- and over-dosage, and to examine for possible associated disorders (auto-immune disorders in the case of auto-immune primary adrenal insufficiency either isolated or as part of auto-immune polyendocrinopathy syndrome type 1; illnesses with underlying monogenic causes). The transition period between adolescence and adulthood represents an added risk of a breakdown in monitoring which requires particular attention from medical teams and coordination between adult and pediatric medical teams...
November 25, 2017: Annales D'endocrinologie
https://www.readbyqxmd.com/read/29181134/a-nine-month-old-boy-with-atypical-hemophagocytic-lymphohistiocytosis
#19
Monia Ouederni, Monia Ben Khaled, Samia Rekaya, Ilhem Ben Fraj, Fethi Mellouli, Mohamed Bejaoui
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening hyperinflammation caused by uncontrolled proliferation of activated lymphocytes and histiocytes. Often, HLH is an acquired syndrome. We report a case of a nine month-old-boy presented with hepatosplenomegaly, severe anemia, thrombocytopenia, hypertriglyceridemia and high hyperferritinemia. These clinical features of HLH prompted a wide range of infectious and auto-immune tests to be performed. After an extensive diagnostic workup, he was referred to the immune-hematologic unit for HLH suspicion with an unknown cause...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/29178661/quantification-of-classical-hla-class-i-mrna-by-allele-specific-real-time-polymerase-chain-reaction-for-most-han-individuals
#20
N Pan, S Lu, W Wang, F Miao, H Sun, S Wu, D Nan, J Qiu, J Xu, J Zhang
Recent studies have shown that expression levels of different alleles at the same HLA class I locus can vary dramatically, which might have a broad influence on human disease. However, precise quantification of the relative expression level of each HLA allele is challenging because distinguishing different alleles on the same locus is difficult. Here, we developed a series of allele-specific real-time PCR assays for quantifying HLA class I allele mRNA in most Han individuals. The alleles of almost all heterozygous genotypes with a frequency higher than 0...
November 25, 2017: HLA
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