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https://www.readbyqxmd.com/read/29317057/the-complex-associations-between-obstructive-sleep-apnea-and-auto-immune-disorders-a-review
#1
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
#2
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
#3
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
#4
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/29307273/kikuchi-fujimoto-disease-triggered-by-salmonella-enteritidis-in-a-child-with-concurrent-auto-immune-thyroiditis-and-papilloedema
#5
Esma Altinel Açoğlu, Eyup Sari, Gürses Şahin, Melahat Melek Oğuz, Meltem Akçaboy, Pelin Zorlu, Saliha Senel
Kikuchi-Fujimoto disease (KFD) is a histiocytic necrotising lymphadenitis characterised by painful cervical lymphadenopathy, fever, malaise and weight loss. Infections, auto-immune pathogenesis and a genetic association have been implicated. A 12-year-old boy presented with a 1-month history of fever, abdominal pain, constipation and weight loss, and a painful lymph node was detected in the right axilla. Chest CT demonstrated multiple lymph nodes, especially in the left mediastinum. Salmonella enteritidis group D was detected in a blood culture and he was treated with ceftriaxone, followed by meropenem...
January 8, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29299667/genetic-alterations-and-tumor-immune-attack-in-yo-paraneoplastic-cerebellar-degeneration
#6
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
#7
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
#8
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/29277513/risk-factors-treatment-and-immune-dysregulation-in-autoimmune-cytopenia-following-allogeneic-hematopoietic-stem-cell-transplantation-in-pediatric-patients
#9
Matthijs D Kruizinga, Maarten J D van Tol, Vincent Bekker, Tanja Netelenbos, Frans J Smiers, Dorine Bresters, Anja M Jansen-Hoogendijk, Monique M van Ostaijen-Ten Dam, Wouter J W Kollen, Jaap J Zwaginga, Arjan C Lankester, Robbert G M Bredius
Auto- or alloimmune cytopenia (AIC) is a known rare complication of hematopoietic stem cell transplantation (SCT). AIC after SCT is considered difficult to treat and associated with high morbidity and mortality. In this retrospective study in pediatric patients we evaluated incidence, outcome, potential risk factors and current treatment strategies. A nested matched case-control study was performed to search for biomarkers associated with AIC. Of 531 consecutive SCTs at our center between 2000 and 2016, 26 were complicated by the development of AIC (cumulative incidence 5...
December 19, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29247853/cytosolic-sensing-of-immuno-stimulatory-dna-the-enemy-within
#10
REVIEW
Rekha Dhanwani, Mariko Takahashi, Sonia Sharma
In the cytoplasm, DNA is sensed as a universal danger signal by the innate immune system. Cyclic GMP-AMP synthase (cGAS) is a cytosolic DNA sensor/enzyme that catalyzes formation of 2'-5'-cGAMP, an atypical cyclic di-nucleotide second messenger that binds and activates the Stimulator of Interferon Genes (STING), resulting in recruitment of Tank Binding Kinase 1 (TBK1), activation of the transcription factor Interferon Regulatory Factor 3 (IRF3), and trans-activation of innate immune response genes, including type I Interferon cytokines (IFN-I)...
December 13, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/29246875/proteomics-analysis-reveals-differential-pattern-of-widespread-protein-expression-and-novel-role-of-histidine-rich-glycoprotein-and-lipopolysaccharide-binding-protein-in-rheumatoid-arthritis
#11
Doojin Kim, Sora Mun, Jiyeong Lee, Arum Park, AeEun Seok, Yeon-Tae Chun, Hee-Gyoo Kang
Rheumatoid factor (RF) is an auto-antibody against antigen-antibody immune complexes. RF is valuable as a biomarker for the screening of autoimmune and infectious diseases. However, it is suggested that RF would be a more powerful biomarker when used complementarily with RF-correlated proteins. In this study, we utilized a proteomic approach to analyze global protein expression in RF-low and RF-high subjects using high-performance liquid chromatography tandem mass spectrometry. Histidine-rich glycoprotein (HRG) and lipopolysaccharide-binding protein (LBP) were found to be differentially expressed between RF-low and RF-high subjects (cut-off >2-fold, p<0...
December 12, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29225799/kidney-involvement-in-the-schnitzler-syndrome-a-rare-disease
#12
REVIEW
Carlo Basile, Luigi Rossi, Francesco Casucci, Annalisa Teutonico, Pasquale Libutti, Piero Lisi, Carlo Lomonte, Raffaele Manna
The Schnitzler syndrome (SS) is a rare and underdiagnosed entity that associates a chronic urticarial rash, monoclonal IgM (or sometimes IgG) gammopathy and signs and symptoms of systemic inflammation. During the past 45 years, the SS has evolved from an elusive little-known disorder to the paradigm of a late-onset acquired auto-inflammatory syndrome. Though there is no definite proof of its precise pathogenesis, it should be considered as an acquired disease involving abnormal stimulation of the innate immune system, which can be reversed by the interleukin-1 receptor antagonist anakinra...
December 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29217175/reactivity-of-igm-antibodies-elicited-by-pegylated-liposomes-or-pegylated-lipoplexes-against-auto-and-foreign-antigens
#13
Hidenori Ando, Amr S Abu Lila, Munehira Kawanishi, Taro Shimizu, Keiichiro Okuhira, Yu Ishima, Tatsuhiro Ishida
Polyethylene glycol (PEG) is an attractive tool for the development of nanoparticle-based cancer therapy since it endows nanoparticles with extended-circulation properties. Nevertheless, recent reports have revealed that intravenous injection of either PEGylated liposomes (SLs) or PEGylated lipoplex (PLpx) could elicit an anti-PEG immunoglobulin (IgM) response in a T cell-independent (TI) manner that would substantially compromise the in vivo fate of PEGylated products upon repeated administration. In the same context, viral or bacterial infections trigger the production of polyreactive IgM that binds both self and foreign antigens...
December 4, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29207444/abnormal-b-cell-development-in-systemic-lupus-erythematosus-what-the-genetics-tell-us
#14
REVIEW
Sarah Karrar, Deborah S Cunninghame Graham
Systemic Lupus Erythematosus (SLE) is an autoimmune disease characterised by B-cell dysfunction, production of autoantibodies directed towards cellular and nuclear components and tissue damage caused by immune complex deposition and inflammation. It largely affects women in the 3rd and 4th decades of life and is associated with significant morbidity and mortality. In healthy individuals, B-cells with auto-reactive receptors are selected out during B-cell maturation, starting at the initial stages of B-cell receptor development in the bone marrow, through to the fine tuning that occurs in activated mature B-cells in secondary lymphoid tissue...
December 5, 2017: Arthritis & Rheumatology
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/29193892/defective-regulation-of-autoreactive-il-6-producing-transitional-b-lymphocytes-is-associated-with-disease-in-patients-with-systemic-sclerosis
#16
Taher E Taher, Voon H Ong, Jonas Bystrom, Sophie Hillion, Quentin Simon, Christopher P Denton, Jacques-Olivier Pers, David J Abraham, Rizgar A Mageed
BACKGROUND: Systemic Sclerosis (SSc) has the highest case-specific mortality of any rheumatic disease and has no effective therapy. A clear manifestation of SSc is the presence of auto-antibodies. However, the origin of autoantibody-producing B lymphocytes and mechanisms of their activation, auto-antibody production and role remain unclear. OBJECTIVE: To identify mechanisms that contribute to pathogenic B cell generation, involvement in SSc and assess the altered distribution and function of B cells in patients...
November 28, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29188697/the-immune-system-basis-of-so-much-health-and-disease-4-immunocytes
#17
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
#18
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/29178661/quantification-of-classical-hla-class-i-mrna-by-allele-specific-real-time-polymerase-chain-reaction-for-most-han-individuals
#19
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
https://www.readbyqxmd.com/read/29172358/the-immune-system-basis-of-so-much-health-and-disease-3-adaptive-immunity
#20
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 adaptive immunity. Clinical relevance: Dental clinicians need a basic understanding of the immune system as it underlies health and disease...
April 2017: Dental Update
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