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Auto immune diseases

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https://www.readbyqxmd.com/read/28108987/activation-of-sirt1-by-human-chorionic-gonadotropin-exerts-a-therapeutic-effect-on-hepatic-injury-and-inflammation
#1
Caroline Steinmetz, Anubha Kashyap, Nataliya Zhivkova, Henry Alizor, Isabell Ernst, Daniela Gottfried-Brand, Henning Janssen, Andreas Teufel, Henning Schulze-Bergkamen, Johannes Lotz, Jürgen Kuball, Matthias Theobald, Michael Heise, Hauke Lang, Peter R Galle, Dennis Strand, Susanne Strand
: The incidence and prevalence of inflammatory liver diseases has increased over the last years but therapeutic options are limited. Pregnancy induces a state of immune tolerance, which can result in spontaneous improvement of clinical symptoms of certain autoimmune diseases including autoimmune hepatitis (AIH). We investigated the immune suppressive mechanisms of the human pregnancy hormone chorionic gonadotropin (hCG) in the liver. HCG signaling activates SIRT1, which deacetylates FOXO3a, leading to repression of pro-apoptotic gene expression...
January 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28092909/immune-mediated-neuropathies-following-autologous-stem-cell-transplantation-for-multiple-myeloma-case-series-and-review-of-the-literature
#2
Ghulam Rehman Mohyuddin, Jacqueline Uy, Honhar Medhavi, Muhammad Salman Faisal, Muzaffar H Qazilbash
Neuropathy is a common finding in patients with multiple myeloma. Several different factors can cause neuropathy in these patients, such as the underlying disease itself, medications used for treatment, or immune-mediated processes. Immune-mediated neuropathies (IMN) consist of a heterogeneous spectrum of peripheral nerve disorders. Although IMN is associated with several hematological disorders, it remains a very rare complication of hematopoietic stem cell transplantation (HCT). We describe our experiences of 3 patients with multiple myeloma who experienced IMN following autologous HCT (auto-HCT)...
January 17, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28090274/the-role-of-m2000-as-an-anti-inflammatory-agent-in-toll-like-receptor-2-microrna-155-pathway
#3
Fatemeh Pourgholi, Mahsa Hajivalili, Rasoul Razavi, Shadi Esmaeili, Behzad Baradaran, Ali Akbar Movasaghpour, Sanam Sadreddini, Hamidreza Goodarzynejad, Abbas Mirshafiey, Mehdi Yousefi
BACKGROUND: M2000 is a newly designed and safe Non-Steroidal Anti-Inflammatory Drug (NSAID). The aim of this study was to assess the effects of M2000 on expression levels of Suppressor of Cytokine Signaling-1 (SOCS-1) and Src Homology-2 domain-containing inositol-5'-phosphatase 1 (SHIP1) proteins via Toll-Like Receptor (TLR) 2/microRNA-155 pathway. METHODS: HEK293 TLR2 cell line and Peripheral Blood Mononuclear Cells (PBMCs) were treated by different concentrations of M2000 in MTT assay...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28088516/structural-study-of-the-effects-of-mutations-in-proteins-to-identify-the-molecular-basis-of-the-loss-of-local-structural-fluidity-leading-to-the-onset-of-autoimmune-diseases
#4
Ananya Ali, Semanti Ghosh, Angshuman Bagchi
Protein-Protein Interactions (PPIs) are crucial in most of the biological processes and PPI dysfunctions are known to be associated with the onsets of various diseases. One of such diseases is the auto-immune disease. Auto-immune diseases are one among the less studied group of diseases with very high mortality rates. Thus, we tried to correlate the appearances of mutations with their probable biochemical basis of the molecular mechanisms leading to the onset of the disease phenotypes. We compared the effects of the Single Amino Acid Variants (SAVs) in the wild type and mutated proteins to identify any structural deformities that might lead to altered PPIs leading ultimately to disease onset...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28078386/early-differences-in-islets-from-prediabetic-nod-mice-combined-microarray-and-proteomic-analysis
#5
Inne Crèvecoeur, Valborg Gudmundsdottir, Saurabh Vig, Fernanda Marques Câmara Sodré, Wannes D'Hertog, Ana Carolina Fierro, Leentje Van Lommel, Conny Gysemans, Kathleen Marchal, Etienne Waelkens, Frans Schuit, Søren Brunak, Lut Overbergh, Chantal Mathieu
AIMS/HYPOTHESIS: Type 1 diabetes is an endocrine disease where a long preclinical phase, characterised by immune cell infiltration in the islets of Langerhans, precedes elevated blood glucose levels and disease onset. Although several studies have investigated the role of the immune system in this process of insulitis, the importance of the beta cells themselves in the initiation of type 1 diabetes is less well understood. The aim of this study was to investigate intrinsic differences present in the islets from diabetes-prone NOD mice before the onset of insulitis...
January 12, 2017: Diabetologia
https://www.readbyqxmd.com/read/28077651/bromodomain-containing-4-brd4-couples-nf%C3%AE%C2%BAb-rela-with-airway-inflammation-and-the-irf-rig-i-amplification-loop-in-respiratory-syncytial-virus-infection
#6
Bing Tian, Jun Yang, Yingxin Zhao, Teodora Ivanciuc, Hong Sun, Roberto P Garofalo, Allan R Brasier
: The airway mucosa expresses protective interferon (IFN) and inflammatory cytokines in response to Respiratory Syncytial Virus (RSV) infection. In this study, we examine the role of bromodomain containing 4 (BRD4) in mediating this innate immune response in human small airway epithelial cells. We observe that RSV induces BRD4 to complex with NFκB/RelA. BRD4 is functionally required for expression of the NFκB-dependent inflammatory gene regulatory network (GRN), including the IFN Response Factor (IRFs)-1 and -7 that mediate a cross-talk pathway for RIG-I upregulation...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28070877/idiopathic-retroperitoneal-fibrosis-and-its-overlap-with-igg4-related-disease
#7
REVIEW
Giovanni Maria Rossi, Rossana Rocco, Eugenia Accorsi Buttini, Chiara Marvisi, Augusto Vaglio
Retroperitoneal fibrosis (RPF) is a rare disease characterised by fibrous tissue proliferation in the retroperitoneum, with encasement of the ureters and large vessels of the abdomen as the most destructive of potentially severe complications. It can either be idiopathic, or secondary to infections, malignancies, or the use of certain drugs. The idiopathic form accounts for approximately 75% of the cases, and is usually responsive to immunosuppressive therapy. In recent years, the emergence of a new clinical entity, IgG4-related disease (IgG4-RD), shed light on many fibro-inflammatory disorders once thought to be separate clinical entities, although frequently associated in the so-called multifocal fibrosclerosis...
January 9, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28063224/current-status-and-prospective-regarding-the-therapeutic-potential-of-natural-autoantibodies-in-cancer-therapy
#8
REVIEW
Salimeh Ebrahimnezhad, MirHadi Jazayeri, Seyed Mahdi Hassanian, Amir Avan
The presence of natural auto-antibodies (NAbs) in normal range/activity in healthy individuals is essential for body to maintain hemostasis, which are directed to self and altered self-components, while abnormal activity of this system can be associated with several health related diseases. It has been shown that NAbs regulate immune system, and can be changed during the individual's life. In other word, the level and pattern of Nabs is among the main factors to define the state of the body, suggesting their prognostic values as markers of immune system impairment such as autoimmunity and cancer...
January 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28057010/update-on-lysinuric-protein-intolerance-a-multi-faceted-disease-retrospective-cohort-analysis-from-birth-to-adulthood
#9
Wladimir Mauhin, Florence Habarou, Stéphanie Gobin, Aude Servais, Anaïs Brassier, Coraline Grisel, Célina Roda, Graziella Pinto, Despina Moshous, Fahd Ghalim, Pauline Krug, Nelly Deltour, Clément Pontoizeau, Sandrine Dubois, Murielle Assoun, Louise Galmiche, Jean-Paul Bonnefont, Chris Ottolenghi, Jacques de Blic, Jean-Baptiste Arnoux, Pascale de Lonlay
BACKGROUND: Lysinuric protein intolerance (LPI) is a rare metabolic disease resulting from recessive-inherited mutations in the SLC7A7 gene encoding the cationic amino-acids transporter subunit y(+)LAT1. The disease is characterised by protein-rich food intolerance with secondary urea cycle disorder, but symptoms are heterogeneous ranging from infiltrative lung disease, kidney failure to auto-immune complications. This retrospective study of all cases treated at Necker Hospital (Paris, France) since 1977 describes LPI in both children and adults in order to improve therapeutic management...
January 5, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28054442/markers-and-function-of-human-nk-cells-in-normal-and-pathological-conditions
#10
REVIEW
Genny Del Zotto, Emanuela Marcenaro, Paola Vacca, Simona Sivori, Daniela Pende, Mariella Della Chiesa, Francesca Moretta, Tiziano Ingegnere, Maria Cristina Mingari, Alessandro Moretta, Lorenzo Moretta
Natural killer (NK) cells, the most important effectors of the Innate Lymphoid Cells (ILCs), play a fundamental role in tumor immune-surveillance, defense against viruses and, in general, in innate immune responses. NK cell activation is mediated by several activating receptors and co-receptors able to recognize ligands on virus-infected or tumor cells. To prevent healthy cells from auto-aggression, NK cells are provided with strong inhibitory receptors (KIRs and NKG2A) which recognize HLA class I molecules on target cells and, sensing their level of expression, allow killing of targets underexpressing HLA-class I...
January 5, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28050998/pituitary-carcinoid-coexisting-with-systemic-lupus-erythematosus-a-rare-combination
#11
Anupam Bhambhani, Manish Dugar, Jyotsna Rao, Ravikanti Prasad
Gastrointestinal carcinoids have occasionally been reported in patients with autoimmune diseases. We report a middle-aged woman who presented with episodic hypertension and a skin rash. Initial evaluation led to the diagnosis of systemic lupus erythematosus for which the patient was treated. Further investigations revealed the presence of a carcinoid tumour in the pituitary. Although gastrointestinal carcinoids associated with autoimmune diseases have been seen occasionally, to our knowledge, extragastric carcinoid coexisting with an auto- immune disorder has never been reported before...
July 2016: National Medical Journal of India
https://www.readbyqxmd.com/read/28049044/lymphocytes-contribute-to-biliary-injury-and-fibrosis-in-experimental-xenobiotic-induced-cholestasis
#12
Nikita Joshi, Anna K Kopec, Holly Cline-Fedewa, James P Luyendyk
The etiology of chronic bile duct injury and fibrosis in patients with autoimmune cholestatic liver diseases is complex, and likely involves immune cells such as lymphocytes. However, most models of biliary fibrosis are not autoimmune in nature. Biliary fibrosis can be induced experimentally by prolonged exposure of mice to the bile duct toxicant alpha-naphthylisothiocyanate (ANIT). We determined whether lymphocytes contributed to ANIT-mediated biliary hyperplasia and fibrosis in mice. Hepatic accumulation of T-lymphocytes and increased serum levels of anti-nuclear-autoantibodies were evident in wild-type mice exposed to ANIT (0...
December 31, 2016: Toxicology
https://www.readbyqxmd.com/read/28035990/dysregulation-of-cell-death-and-its-epigenetic-mechanisms-in-systemic-lupus-erythematosus
#13
REVIEW
Haijing Wu, Siqi Fu, Ming Zhao, Liwei Lu, Qianjin Lu
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease involving multiple organs and tissues, which is characterized by the presence of excessive anti-nuclear autoantibodies. The pathogenesis of SLE has been intensively studied but remains far from clear. Increasing evidence has shown that the genetic susceptibilities and environmental factors-induced abnormalities in immune cells, dysregulation of apoptosis, and defects in the clearance of apoptotic materials contribute to the development of SLE...
December 27, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28035916/the-paired-receptors-tigit-and-dnam-1-as-targets-for-therapeutic-antibodies
#14
Natan Stein, Pinchas Tsukerman, Ofer Mandelboim
One of the most exciting fields in modern medicine is immunotherapy, treatment which looks to harness the power of the immune system to fight disease. A particularly effective strategy uses antibodies designed to influence the activity levels of the immune system. Here we look at two receptors - TIGIT and DNAM-1 - which bind the same ligands but have opposite effects on immune cells, earning them the label `paired receptors'. Importantly, natural killer cells and cytotoxic T cells express both of these receptors, and in certain cases their effector functions are dictated by TIGIT or DNAM-1 signaling...
December 23, 2016: Human Antibodies
https://www.readbyqxmd.com/read/28031780/double-diabetes-in-saudi-arabia-a-new-entity-or-an-underestimated-condition
#15
Rim Braham, Aus Alzaid, Asirvatham Alwin Robert, Muhammad Mujammami, Rania Ahmad Ahmad, Monther Zitouni, Samia Hasan Sobki, Mohamed Abdulaziz Al Dawish
AIM: To determine the clinical and biological characteristics of double diabetes (DD) among young people in Saudi Arabia. METHODS: This was a retrospective descriptive chart review study including 312 young newly diagnosed diabetic patients (aged 12-20 years), whom were admitted over a five year period (January 2009 to December 2013). Family history of diabetes mellitus (DM) (first degree), physical body mass index (BMI), acanthosis nigricans, history of auto-immune disease and laboratory information for glycosylated hemoglobin, basal C peptide level and diabetes autoantibody response (anti-GAD, anti-IA2 and anti-ICA) were collected from medical report...
December 15, 2016: World Journal of Diabetes
https://www.readbyqxmd.com/read/28026132/late-treatment-effects-following-bone-marrow-transplant-efficacy-of-implementing-international-guidelines
#16
V E Shanklin, J A Snowden, D M Greenfield
An increasing cohort of haematopoietic cell transplantation (HCT) survivors has raised awareness of long-term and late effects. Updated recommendations for HCT late effects screening were published in 2012 [Majhail et al. Biology of Blood and Marrow Transplantation, 18 (2012):348]. We aimed to assess the clinical efficacy of a dedicated screening clinic to identify problems in HCT survivors using the international guidelines. Clinic letters and test results of the first 59 consecutive patients attending the screening clinic were evaluated...
December 27, 2016: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28025071/th17-cells-correlate-positively-to-the-structural-and-functional-integrity-of-the-brain-in-bipolar-depression-and-healthy-controls
#17
Sara Poletti, Harm de Wit, Elena Mazza, Annemarie J M Wijkhuijs, Clara Locatelli, Veronica Aggio, Cristina Colombo, Francesco Benedetti, Hemmo A Drexhage
: Abnormalities of T cell-mediated immune activation, in the absence of active somatic immune diseases, have consistently been reported in mood disorders. Apart from being important players in the regulation of cells of the immune system, T cells are essential for normal brain development. We here report studies on the relationship between circulating levels of T helper cells and structural and functional brain imaging in depressed bipolar patients. Since the CCL20-CCR6 axis is an important entry to the brain we differentiated the various T helper cell subpopulations on the basis of their chemokine receptor expression...
December 23, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28012595/orbital-autoimmune-inflammatory-disorders-protein-regional-variability-might-explain-specific-lesion-location
#18
Margo S Clarke, Alexandre Plouznikoff, Jean Deschenes
In ophthalmology, inflammatory diseases target different highly specific regions within the small confine of the orbit. Some entities even prefer a particular location or depth within the same tissue (ex. anterior, intermediate or posterior uveitides, chorioretinitides with unique topographic presentations). Though the location of a lesion strongly influences and helps us in our differential diagnosis, we still don't understand why specific anatomic sites are susceptible to a disease while other areas are spared...
January 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28011382/multiple-sclerosis-therapeutic-applications-of-advancing-drug-delivery-systems
#19
REVIEW
Sanam Dolati, Zohreh Babaloo, Farhad Jadidi-Niaragh, Hormoz Ayromlou, Sanam Sadreddini, Mehdi Yousefi
Multiple sclerosis (MS) is an inflammatory autoimmune disease of the central nervous system, which is accompanying with demyelination, neurodegeneration and sensibility to oxidative stress. In MS, auto-reactive lymphocytes cross the blood-brain barrier (BBB) and reside in the perivenous demyelinating lesions which create various distinct inflammatory demyelinated plaques situated predominantly in the white matter. The current MS-related therapeutic approaches can be classified into disease-modifying therapies (DMTs) and symptomatic therapy...
December 20, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28003012/the-potential-of-nano-vehicle-mediated-therapy-in-vasculitis-and-multiple-sclerosis
#20
Ruben V Huis In T Veld, Candido G da Silva, Eric L Kaijzel, Alan B Chan, Luis J Cruz
The induction of immune tolerance towards self-antigens presents as a viable future strategy in the treatment of auto-immune diseases, including vasculitis and multiple sclerosis (MS). As specific targets are currently lacking for vasculitis due to incomplete understanding of the pathologies underlying this disease, current treatment options are based on modalities that induce general immune suppression. However, many immune suppressants used in the clinic are known to display wide biodistribution and are thus often accompanied by several adverse effects...
December 21, 2016: Current Pharmaceutical Design
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