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Systemic autoimmunity

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https://www.readbyqxmd.com/read/29166758/clinical-significance-of-anti-dense-fine-speckled-70-antibody-in-patients-with-fibromyalgia
#1
Jisoo Jeong, Dong Hyun Kim, Gun Park, Suyeon Park, Hyun-Sook Kim
Background/Aims: Fibromyalgia (FM) is a common rheumatologic disease characterized by chronic widespread pain, along with various clinical manifestations including atypical autoimmune characteristics. Despite its high prevalence, there remain no approved laboratory tests to identify specific manifestations of FM, or to rule out FM from other rheumatic diseases. Anti-dense fine speckled 70 (anti-DFS70) antibodies were initially identified as a form of anti-nuclear antibodies in a patient with interstitial cystitis...
November 24, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29165796/international-bullous-diseases-group-consensus-on-diagnostic-criteria-for-epidermolysis-bullosa-acquisita
#2
REVIEW
C Prost-Squarcioni, F Caux, E Schmidt, M F Jonkman, S Vassileva, S C Kim, P Iranzo, M Daneshpazhooh, J Terra, J Bauer, J Fairley, R Hall, M Hertl, J S Lehman, B Marinovic, A Patsatsi, D Zillikens, V Werth, D T Woodley, D F Murrell
BACKGROUND: Epidermolysis bullosa acquisita (EBA) is a complex autoimmune bullous disease disease with variable clinical presentations and multiple possible diagnostic tests making an international consensus on diagnosis of EBA needed. OBJECTIVES: To obtain an international consensus on the clinical and diagnostic criteria for EBA. METHODS: The international bullous diseases group (IBDG) met three times to discuss the clinical and diagnostic criteria for EBA...
November 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29164267/intracellular-apoptotic-pathways-a-potential-target-for-reducing-joint-damage-in-rheumatoid-arthritis
#3
REVIEW
Bonnie Williams, Anak Dharmapatni, Tania Crotti
Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease that results in both local and systemic bone erosion, causing significant joint deformities and functional disability. The increased number of synovial fibroblasts, inflammatory cells and osteoclasts in RA is associated with reduced apoptosis in these cells. The ability to modulate the cell proliferation or death (particularly apoptosis) is recognised for its immense therapeutic potential. Identifying new therapeutics to assist in stimulating apoptosis within the synovial joints therefore may be beneficial in reducing inflammation and bone loss in RA patients...
November 21, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29164157/inflammatory-breast-cancer-and-warm-antibody-autoimmune-hemolytic-anemia-a-rare-paraneoplastic-syndrome
#4
Nene Ugoeke, Chidinma Onweni, Jennifer Treece, Vandana Pai, Sowminya Arikapudi, Evan Kulbacki, Kailash Bajaj
Autoimmune hemolytic anemia (AIHA) is a disease process that involves the destruction of red blood cells mediated by the humoral immune system. It can be characterized as a cold agglutinin syndrome, paroxysmal cold hemoglobinuria, and warm, mixed type, and drug-induced AIHA. Although a well-established relationship exists between the presence of AIHA and lymphoproliferative malignancy, AIHA rarely presents in association with solid malignancies. An analysis of the limited number of published cases of AIHA in association with solid malignancies performed showed that AIHA may present before the diagnosis of a solid malignancy, concurrently with the presence of a solid malignancy, or even on resolution of a solid malignancy...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29164005/study-of-systemic-disease-igg4-usefulness-of-2-18f-fluoro-2-deoxy-d-glucose-positron-emission-tomography-computed-tomography-for-staging-selection-of-biopsy-site-evaluation-of-treatment-response-and-follow-up
#5
Guillermo Martinez-Pimienta, Edel Noriega-Álvarez, Marc Simó-Perdigó
Immunoglobulin G4-related systemic disease (IgG4-RSD) is a recently emerging disorder characterized by swelling lesions with storiform fibrosis and lymphoplasmacytic infiltration enriched with IgG4-positive plasma cells. IgG4-RSD has been found in multiple organs/tissues. The diagnosis requires the integration of clinical, serological, imaging, histopathological, and immunohistological features. The 2-[18F]-fluoro-2-deoxy-D-glucose-positron emission tomography/computed tomography (18F-FDG PET/CT) enables the acquisition of whole-body images and provides functional information about disease activity...
September 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/29163765/b-cells-regulate-thymic-cd8-t-cell-differentiation-in-lupus-prone-mice
#6
Chen Xing, Gaizhi Zhu, He Xiao, Ying Fang, Xiaoling Liu, Gencheng Han, Guojiang Chen, Chunmei Hou, Beifen Shen, Yan Li, Ning Ma, Renxi Wang
Previous studies have shown that under normal physiological conditions thymic B cells play a critical function in T cell negative selection. We tested the effect of thymic B cells on thymic T-cell differentiation in autoimmune diseases including systemic lupus erythematosus (SLE). We found that thymic B cells and CD8(-) CD4(+) and CD4(-)CD8(+)T cells increased, whereas CD4(+)CD8(+)T cells decreased in lupus-prone mice. Once B cells were reduced, the change was reversed. Furthermore, we found that B cells blocked thymic immature single positive (ISP) CD4(-)CD8(+)CD3(lo/-)RORγt(-) T cells progression into CD4(+)CD8(+)T cells...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163764/inhibition-of-autoimmune-th17-cell-responses-by-pain-killer-ketamine
#7
Jeong-Eun Lee, Jung-Man Lee, Young-Jun Park, Byung-Seok Kim, Young-Tae Jeon, Yeonseok Chung
Ketamine is widely used in animals and humans as a systemic anesthetic. Although several immune-modulatory functions of ketamine have been reported, the effects of ketamine on the differentiation of Th17 cell are unknown. We found that ketamine significantly diminished the frequency of IL-17-producers among CD4(+) T cells stimulated under Th17-skewing conditions. Mechanistic studies showed that ketamine had little effect on the production of Th17-inducing cytokines by dendritic cells and the proliferation of T cells in response to anti-CD3; however it significantly hampered IL-21 expression as well as STAT3 phosphorylation in T cells upon IL-6 stimulation...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163553/ppargamma-deficiency-counteracts-thymic-senescence
#8
David Ernszt, Krisztina Banfai, Zoltan Kellermayer, Attila Pap, Janet M Lord, Judit E Pongracz, Krisztian Kvell
Thymic senescence contributes to increased incidence of infection, cancer and autoimmunity at senior ages. This process manifests as adipose involution. As with other adipose tissues, thymic adipose involution is also controlled by PPARgamma. This is supported by observations reporting that systemic PPARgamma activation accelerates thymic adipose involution. Therefore, we hypothesized that decreased PPARgamma activity could prevent thymic adipose involution, although it may trigger metabolic adverse effects...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163503/efferocytosis-and-outside-in-signaling-by-cardiac-phagocytes-links-to-repair-cellular-programming-and-intercellular-crosstalk-in-heart
#9
REVIEW
Matthew DeBerge, Shuang Zhang, Kristofor Glinton, Luba Grigoryeva, Islam Hussein, Esther Vorovich, Karen Ho, Xunrong Luo, Edward B Thorp
Phagocytic sensing and engulfment of dying cells and extracellular bodies initiate an intracellular signaling cascade within the phagocyte that can polarize cellular function and promote communication with neighboring non-phagocytes. Accumulating evidence links phagocytic signaling in the heart to cardiac development, adult myocardial homeostasis, and the resolution of cardiac inflammation of infectious, ischemic, and aging-associated etiology. Phagocytic clearance in the heart may be carried out by professional phagocytes, such as macrophages, and non-professional cells, including myofibrolasts and potentially epithelial cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163502/regulating-immunogenicity-and-tolerogenicity-of-bone-marrow-derived-dendritic-cells-through-modulation-of-cell-surface-glycosylation-by-dexamethasone-treatment
#10
Kevin Lynch, Oliver Treacy, Jared Q Gerlach, Heidi Annuk, Paul Lohan, Joana Cabral, Lokesh Joshi, Aideen E Ryan, Thomas Ritter
Dendritic cellular therapies and dendritic cell vaccines show promise for the treatment of autoimmune diseases, the prolongation of graft survival in transplantation, and in educating the immune system to fight cancers. Cell surface glycosylation plays a crucial role in the cell-cell interaction, uptake of antigens, migration, and homing of DCs. Glycosylation is known to change with environment and the functional state of DCs. Tolerogenic DCs (tDCs) are commonly generated using corticosteroids including dexamethasone, however, to date, little is known on how corticosteroid treatment alters glycosylation and what functional consequences this may have...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163443/parasite-derived-proteins-for-the-treatment-of-allergies-and-autoimmune-diseases
#11
REVIEW
Zhenyu Wu, Lifu Wang, Yanlai Tang, Xi Sun
The morbidity associated with atopic diseases and immune dysregulation disorders such as asthma, food allergies, multiple sclerosis, atopic dermatitis, type 1 diabetes mellitus, and inflammatory bowel disease has been increasing all around the world over the past few decades. Although the roles of non-biological environmental factors and genetic factors in the etiopathology have been particularly emphasized, they do not fully explain the increase; for example, genetic factors in a population change very gradually...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29163360/vitiligo-and-autoimmune-thyroid-disorders
#12
REVIEW
Enke Baldini, Teresa Odorisio, Salvatore Sorrenti, Antonio Catania, Francesco Tartaglia, Giovanni Carbotta, Daniele Pironi, Roberta Rendina, Eleonora D'Armiento, Severino Persechino, Salvatore Ulisse
Vitiligo represents the most common cause of acquired skin, hair, and oral depigmentation, affecting 0.5-1% of the population worldwide. It is clinically characterized by the appearance of disfiguring circumscribed skin macules following melanocyte destruction by autoreactive cytotoxic T lymphocytes. Patients affected by vitiligo usually show a poorer quality of life and are more likely to suffer from depressive symptoms, particularly evident in dark-skinned individuals. Although vitiligo is a non-fatal disease, exposure of affected skin to UV light increases the chance of skin irritation and predisposes to skin cancer...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29163240/interleukin-6-in-schizophrenia-is-there-a-therapeutic-relevance
#13
REVIEW
Milica Milovan Borovcanin, Ivan Jovanovic, Gordana Radosavljevic, Jelena Pantic, Slavica Minic Janicijevic, Nebojsa Arsenijevic, Miodrag L Lukic
Renewing interest in immune aspects of schizophrenia and new findings about the brain-fat axis encourage us to discuss the possible role of interleukin-6 (IL-6) in schizophrenia. Previously, it was suggested that a primary alteration of the innate immune system may be relevant in schizophrenia. Functional dichotomy of IL-6 suggests that this chemical messenger may be responsible for regulating the balance between pro- and anti-inflammatory responses, with tissue-specific properties at the periphery and in the central nervous system...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29163172/central-administration-of-5z-7-oxozeaenol-protects-experimental-autoimmune-encephalomyelitis-mice-by-inhibiting-microglia-activation
#14
Lingli Lu, Xiuping Zhang, Huichun Tong, Wenlong Zhang, Pingyi Xu, Shaogang Qu
Transforming growth factor β-activated kinase 1 (TAK1), a vital upstream integrator of multiple pro-inflammatory signaling pathways, mediates the production of pro-inflammatory cytokines, chemokines, and adhesion molecules. Investigations targeting TAK1 provide new therapeutic options for chronic inflammatory disorders, autoimmune diseases, and cancer. However, the role and mechanism of the TAK1 inhibitor 5Z-7-oxozeaenol in treating autoimmune demyelinating diseases remain unclear. This work aimed to identify whether 5Z-7-oxozeaenol exerts neuroprotective effects on experimental autoimmune encephalomyelitis (EAE) in mice...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29163052/the-thymus-neocortex-hypothesis-of-the-brain-a-cell-basis-for-recognition-and-instruction-of-self
#15
Silvia Sánchez-Ramón, Florence Faure
The recognition of internal and external sources of stimuli, the self from non-self, seems to be an intrinsic property to the adequate functioning of the immune system and the nervous system, both complex network systems that have evolved to safeguard the self biological identity of the organism. The mammalian brain development relies on dynamic and adaptive processes that are now well described. However, the rules dictating this highly constrained developmental process remain elusive. Here we hypothesize that there is a cellular basis for brain selfhood, based on the analogy of the global mechanisms that drive the self/non-self recognition and instruction by the immune system...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29162133/humoral-response-in-experimental-autoimmune-encephalomyelitis-targets-neural-precursor-cells-in-the-central-nervous-system-of-naive-rodents
#16
Evangelia Kesidou, Olga Touloumi, Roza Lagoudaki, Evangelia Nousiopoulou, Paschalis Theotokis, Kyriaki-Nepheli Poulatsidou, Marina Boziki, Evangelia Kofidou, Nickoleta Delivanoglou, Fani Minti, Georgios Hadjigeorgiou, Nikolaos Grigoriadis, Constantina Simeonidou
BACKGROUND: Neural precursor cells (NPCs) located in the subventricular zone (SVZ), a well-defined NPC niche, play a crucial role in central nervous system (CNS) homeostasis. Moreover, NPCs are involved in the endogenous reparative process both in multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE). However, the possibility that NPCs may be vulnerable to immune-related components may not be ruled out. Therefore, we investigated the potential affinity of myelin oligodendrocyte glycoprotein (MOG)-induced humoral response(s) to NPCs...
November 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29160835/vitamin-d-and-neurological-diseases-an-endocrine-view
#17
REVIEW
Carolina Di Somma, Elisabetta Scarano, Luigi Barrea, Volha V Zhukouskaya, Silvia Savastano, Chiara Mele, Massimo Scacchi, Gianluca Aimaretti, Annamaria Colao, Paolo Marzullo
Vitamin D system comprises hormone precursors, active metabolites, carriers, enzymes, and receptors involved in genomic and non-genomic effects. In addition to classical bone-related effects, this system has also been shown to activate multiple molecular mediators and elicit many physiological functions. In vitro and in vivo studies have, in fact, increasingly focused on the "non-calcemic" actions of vitamin D, which are associated with the maintenance of glucose homeostasis, cardiovascular morbidity, autoimmunity, inflammation, and cancer...
November 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29158418/a-novel-pkhd1-mutation-interacts-with-the-nonobese-1diabetic-genetic-background-to-cause-autoimmune-cholangitis
#18
Wenting Huang, Daniel B Rainbow, Yuehong Wu, David Adams, Pranavkumar Shivakumar, Leah Kottyan, Rebekah Karns, Bruce Aronow, Jorge Bezerra, M Eric Gershwin, Laurence B Peterson, Linda S Wicker, William M Ridgway
We previously reported that NOD.c3c4 mice develop spontaneous autoimmune biliary disease (ABD) with anti-mitochondrial Abs, histopathological lesions, and autoimmune T lymphocytes similar to human primary biliary cholangitis. In this article, we demonstrate that ABD in NOD.c3c4 and related NOD ABD strains is caused by a chromosome 1 region that includes a novel mutation in polycystic kidney and hepatic disease 1 (Pkhd1). We show that a long terminal repeat element inserted into intron 35 exposes an alternative polyadenylation site, resulting in a truncated Pkhd1 transcript...
November 20, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29158162/the-gelatinases-mmp-2-and-mmp-9-as-fine-tuners-of-neuroinflammatory-processes
#19
REVIEW
M-J Hannocks, X Zhang, H Gerwien, A Chashchina, M Burmeister, E Korpos, J Song, L Sorokin
This review focuses on the complementary roles of MMP-2 and MMP-9 in leukocyte migration into the brain in neuroinflammation, studied mainly in a murine model of experimental autoimmune encephalomyelitis (EAE) that has similarity to the human disease multiple sclerosis. We discuss the cellular sources of MMP-2/MMP-9 in EAE, their sites of activity, and how cleavage of the to-date identified MMP-2/MMP-9 substrates at the blood-brain barrier facilitate leukocyte filtration of the central nervous system (CNS)...
November 17, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29158146/monitoring-and-predicting-disease-activity-in-autoimmune-pancreatitis-with-the-m-annheim-aip-activity-score
#20
Michael Hirth, Miroslav Vujasinovic, Markus Münch, Christel Weiss, Matthias Löhr, Matthias P Ebert, Alexander Schneider
BACKGROUND & OBJECTIVES: Autoimmune pancreatitis (AiP) is treated by immunosuppressive therapy. Exact description of disease activity of AiP is essential in clinical practice and research, but a score to describe the disease activity is missing. Thus, we aimed to establish an activity score of AiP. METHODS: We retrospectively studied long-term disease courses of 29 patients with AiP (Mannheim, Germany), receiving corticosteroid treatment (CST) by analyzing 613 treatment appointments...
October 25, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
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