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Autoimmune disorders

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https://www.readbyqxmd.com/read/28820360/preliminary-study-on-the-changes-of-ovarian-reserve-menstruation-and-lymphocyte-subpopulation-in-systemic-lupus-erythematosus-sle-patients-of-childbearing-age
#1
H Gao, J Ma, X Wang, T Lv, J Liu, Y Ren, Y Li, Y Zhang
Objective The main aim of this study was to investigate the ovarian reserve, menstruation, and lymphocyte subpopulation in systemic lupus erythematosus (SLE) patients of childbearing age. Methods We enrolled 40 SLE patients of childbearing age and 40 age-matched healthy controls. Anti-Müllerian hormone (AMH) was tested by electrochemiluminescence, and lymphocyte subsets were tested by flow cytometry. Menstruation situation was obtained by interview. Results The AMH level of the SLE group was significantly lower than that of the control group ( p < 0...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28820075/t-regulatory-cell-subsets-in-children-with-type-1-diabetes-mellitus-relation-to-control-of-the-disease
#2
Mabrouk Ghonaim, Rawhia El-Edel, Wafaa Abo El Fotoh, Samar Kamal Eldein, Samar Salman
BACKGROUND: Type 1 diabetes mellitus described as a chronic metabolic disorder characterized by aggressive immune β-cell destruction. There are numbers of varied immune mechanisms for sustaining self-tolerance in opposition to the autoimmune disorders. A recessive tolerance accomplished by thymic gland via a negative assortment of different clones while a dominant tolerance accomplished by the regulatory T cells (Treg) in the periphery. Treg (CD4+CD25+FOXP3+) are subsets of T cells which have an essential role in maintaining tolerance...
August 17, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28817385/novel-molecular-defects-associated-with-very-early-onset-inflammatory-bowel
#3
Sara Ciullini Mannurita, Eleonora Gambineri
PURPOSE OF REVIEW: Immune dysregulation disorders present with common clinical features of multiorgan autoimmunity. Gastrointestinal involvement is the hallmark of an impaired immune homeostasis. This review will give an overview on the novel phenotypes, highlighting the major points that will help to enable early diagnosis and treatment. RECENT FINDINGS: The rapid progress on DNA sequencing technologies have led to the identification of monogenic defects that adversely impact the control of immune homeostasis...
August 16, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28817310/semaphorins-and-their-roles-in-airway-biology-potential-as-therapeutic-targets
#4
Hesam Movassagh, Forough Khadem, Abdelilah S Gounni
Semaphorins are a large family of proteins originally identified as axon guidance cues which play a crucial role in neural development. They are also ubiquitously expressed beyond the nervous system and contribute to regulation of essential cell functions such as cell migration, proliferation, and adhesion. Binding of semaphorins to their receptors, including plexins and neuropilins, triggers diverse signaling pathways which are involved in the pathogenesis of various diseases from cancer to autoimmune and allergic disorders...
August 17, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28817230/recent-findings-on-fulminant-type-1-diabetes
#5
REVIEW
Lan Liu, Ling Zeng, Dan Sang, Zeyuan Lu, Jie Shen
Fulminant type 1 diabetes (fT1D) is a new subtype of type 1 diabetes proposed by Imagawa in 2000. It is a clinical syndrome characterized by a markedly rapid and almost complete destruction of pancreatic β cells. Metabolic derangement is more severe in this subtype than in autoimmune type 1 diabetes. The incidence of fT1D is associated with HLA DRB1*04:05DQB1*04:01, both innate and acquired immune disorders might contribute to the development of fT1D. The presence of specific innate immune responses to enterovirus infection connected with enhanced adoptive immune pathways responsible for aggressive β cell toxicity in fT1D...
August 17, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28817113/clinical-and-histologic-mimickers-of-celiac-disease
#6
REVIEW
Amrit K Kamboj, Amy S Oxentenko
Celiac disease is an autoimmune disorder of the small bowel, classically associated with diarrhea, abdominal pain, and malabsorption. The diagnosis of celiac disease is made when there are compatible clinical features, supportive serologic markers, representative histology from the small bowel, and response to a gluten-free diet. Histologic findings associated with celiac disease include intraepithelial lymphocytosis, crypt hyperplasia, villous atrophy, and a chronic inflammatory cell infiltrate in the lamina propria...
August 17, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28816347/the-silent-enemy-celiac-disease-goes-viral
#7
Alberto Reale, Marta Trevisan, Gualtiero Alvisi, Giorgio Palù
Celiac disease is a multifactorial autoimmune chronic inflammatory disorder affecting approximately one percent of the worldwide population. In such patients, ingestion of gluten proteins from cereals like wheat, barley and rye causes damage of the small intestine mucosa, with potentially severe consequences. Onset of the disease in predisposed individuals is believed to require a still not clearly identified external trigger, such as viral infections. A very recent study has begun to shed light on a possible mechanistic basis for this hypothesis, and surprisingly linked intestinal infections caused by common reoviruses to the onset of celiac disease...
August 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28815969/-318c-t-polymorphism-of-the-ctla-4-gene-is-an-independent-risk-factor-for-rbc-alloimmunization-among-sickle-cell-disease-patients
#8
V B Oliveira, M R Dezan, F C A Gomes, S F Menosi Gualandro, J E Krieger, A C Pereira, J D Marsiglia, J E Levi, V Rocha, A Mendrone-Junior, E C Sabino, C L Dinardo
Cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) molecule is expressed on T-lymphocyte membrane and negatively influences the antigen-presenting process. Reduced expression of CTLA-4 due to gene polymorphisms is associated with increased risk of autoimmune disorders, whose physiopathology is similar to that of post-transfusion red blood cell (RBC) alloimmunization. Our goal was to evaluate if polymorphisms of CTLA-4 gene that affect protein expression are associated with RBC alloimmunization. This was a case-control study in which 134 sickle cell disease (SCD) patients and 253 non-SCD patients were included...
August 17, 2017: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/28815581/th1-polarizing-%C3%AE-%C3%AE-t-cells-and-scavenger-receptors-contribute-to-the-pathogenesis-of-pemphigus-vulgaris
#9
Dayasagar Das, Vivek Anand, Sujay Khandpur, V K Sharma, Alpana Sharma
Gamma delta T cells (γδ T cells) and Scavenger receptors are key innate immune machinery playing significant role in regulating immune homeostasis at epithelial surface. The roles of these immune components are not yet characterized for the autoimmune skin disorder Pemphigus Vulgaris (PV). Phenotyping and frequency of γδ T cells estimated by Flowcytometry has shown increased frequency of γδ T cells (6.7% vs. 4.4%) producing IFN-γ (35.2% vs. 26.68%), in circulation of patients compared to controls. Dual cytokine (IFN-γ & IL-4) secreting γδ T cells indicate plasticity of these cells...
August 16, 2017: Immunology
https://www.readbyqxmd.com/read/28815029/nodular-regenerative-hyperplasia-rarely-leads-to-liver-transplantation-a-20-year-cohort-study-in-all-dutch-liver-transplant-units
#10
Berrie Meijer, Melek Simsek, Hans Blokzijl, Robert A de Man, Minneke J Coenraad, Gerard Dijkstra, Carin Mj van Nieuwkerk, Chris Jj Mulder, Nanne Kh de Boer
BACKGROUND: Nodular regenerative hyperplasia is an uncommon liver condition associated with several autoimmune disorders and drugs. The clinical symptoms of nodular regenerative hyperplasia vary from asymptomatic to severe complications of portal hypertension (nodular regenerative hyperplasia-syndrome). OBJECTIVE: The purpose of this study was to identify the prognosis and optimal management, as well as the role of liver transplantation, in nodular regenerative hyperplasia...
August 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28811706/therapeutic-potential-of-flavonoids-in-inflammatory-bowel-disease-a-comprehensive-review
#11
REVIEW
Ali Salaritabar, Behrad Darvishi, Farzaneh Hadjiakhoondi, Azadeh Manayi, Antoni Sureda, Seyed Fazel Nabavi, Leo R Fitzpatrick, Seyed Mohammad Nabavi, Anupam Bishayee
The inflammatory process plays a central role in the development and progression of numerous pathological situations, such as inflammatory bowel disease (IBD), autoimmune and neurodegenerative diseases, metabolic syndrome, and cardiovascular disorders. IBDs involve inflammation of the gastrointestinal area and mainly comprise Crohn's disease (CD) and ulcerative colitis (UC). Both pathological situations usually involve recurring or bloody diarrhea, pain, fatigue and weight loss. There is at present no pharmacological cure for CD or UC...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28810098/a-rare-case-of-pulmonary-lymphomatoid-granulomatosis
#12
Ukamaka Nwakife Nwadibia, Kalyan Chakravarthy Potu, Eric A Larson, Galal Ahmed
In this report, we discuss an unusual case of pulmonary lymphomatoid granulomatosis (LYG), a rare form of angiocentric and angiodestructive lymphoproliferative disorder. This disease is thought to be caused by Epstein-Barr virus-induced lymphoproliferation. A 39-year-old male with no signi ficant past medical history presented with flu-like symptoms. Upon further evaluation, laboratory studies noted pancytopenia, and a chest X-ray showed bilateral nodular densities. A computerized tomography (CT) scan demonstrated bilateral pulmonary nodules and splenomegaly...
January 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28809927/in-middle-aged-and-old-obese-patients-training-intervention-reduces-leptin-level-a-meta-analysis
#13
Ildikó Rostás, László Pótó, Péter Mátrai, Péter Hegyi, Judit Tenk, András Garami, Anita Illés, Margit Solymár, Erika Pétervári, Ákos Szűcs, Andrea Párniczky, Dániel Pécsi, Zoltán Rumbus, Csaba Zsiborás, Nóra Füredi, Márta Balaskó
BACKGROUND: Leptin is one of the major adipokines in obesity that indicates the severity of fat accumulation. It is also an important etiological factor of consequent cardiometabolic and autoimmune disorders. Aging has been demonstrated to aggravate obesity and to induce leptin resistance and hyperleptinemia. Hyperleptinemia, on the other hand, may promote the development of age-related abnormalities. While major weight loss has been demonstrated to ameliorate hyperleptinemia, obese people show a poor tendency to achieve lasting success in this field...
2017: PloS One
https://www.readbyqxmd.com/read/28808940/plasma-alpha-l-fucosidase-activity-in-chronic-inflammation-and-autoimmune-disorders-in-a-pediatric-cohort-of-hospitalized-patients
#14
Ildikó Endreffy, Geir Bjørklund, László Szerafin, Salvatore Chirumbolo, Mauricio A Urbina, Emőke Endreffy
Human α-fucosidase (EC 3.2.1.51) is an enzyme (hydrolase) of particular biological and medical interest, as the inherited deficiency in its activity leads to fucosidosis, a pathology belonging to severe glycoprotein lysosomal storage disorders. Although its importance has increased in latest years, data about its plasma level in children with inflammatory disorders are still lacking. In the present study, plasma activity of α-L-fucosidase-1 (FUCA-1) and its potential association with chronic inflammatory pathologies was evaluated in hospitalized individuals, both pediatric and adult ones...
August 14, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28804509/lifetime-stress-exposure-and-health-a-review-of-contemporary-assessment-methods-and-biological-mechanisms
#15
Grant S Shields, George M Slavich
Life stress is a central construct in health research because it is associated with increased risk for a variety of serious mental and physical health problems, including anxiety disorders, depression, cardiovascular disease, autoimmune disorders, Alzheimer's disease, certain cancers, and other diseases of aging. In this review, we examine how lifetime stress exposure contributes to elevated disease risk, and explore ongoing measurement and scientific issues related to this topic. To accomplish these goals, we first review existing instruments that have been developed for assessing perceived stress, self-reported life events, interviewer-assessed life stressors, and lifetime stress exposure...
August 2017: Social and Personality Psychology Compass
https://www.readbyqxmd.com/read/28803918/modeling-of-trex1-dependent-autoimmune-disease-using-human-stem-cells-highlights-l1-accumulation-as-a-source-of-neuroinflammation
#16
Charles A Thomas, Leon Tejwani, Cleber A Trujillo, Priscilla D Negraes, Roberto H Herai, Pinar Mesci, Angela Macia, Yanick J Crow, Alysson R Muotri
Three-prime repair exonuclease 1 (TREX1) is an anti-viral enzyme that cleaves nucleic acids in the cytosol, preventing accumulation and a subsequent type I interferon-associated inflammatory response. Autoimmune diseases, including Aicardi-Goutières syndrome (AGS) and systemic lupus erythematosus, can arise when TREX1 function is compromised. AGS is a neuroinflammatory disorder with severe and persistent intellectual and physical problems. Here we generated a human AGS model that recapitulates disease-relevant phenotypes using pluripotent stem cells lacking TREX1...
August 2, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28803824/the-clinical-spectrum-of-hepatic-manifestations-in-chronic-lymphocytic-leukemia
#17
REVIEW
Natalia Kreiniz, Ofrat Beyar Katz, Aaron Polliack, Tamar Tadmor
Chronic lymphocytic leukemia (CLL) is the most common leukemia in the Western world, characterized by the presence of long-lived circulating leukemic cells in the peripheral blood that may infiltrate all organs, particularly those of the reticulo-endothelial system. Liver enlargement and elevation of liver enzymes related to specific involvement by the underlying disease are well-recognized features in these patients. In CLL, the differential diagnosis of liver disorders is broad and includes liver infiltration by leukemic cells, immunologic manifestations associated with CLL, primary and secondary hepatic malignancies, drug-induced hepatotoxicity, infections, and Richter transformation...
July 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28803660/multiple-sclerosis-skin-induced-antigen-specific-immune-tolerance
#18
REVIEW
Paula Wildner, Krzysztof W Selmaj
Multiple sclerosis (MS) is a highly prevalent demyelinating disorder, presumed to be driven by an autoimmune response toward the central nervous system (CNS) components. All currently available treatments modulate the immune system globally and besides the reduction of disease activity, they may also impose considerable disturbances on the immune protective mechanisms. Thus, induction of antigen-specific immune tolerance remains the ultimate goal of MS therapy. Such approach carries promising therapeutic perspectives and, above all, a desirable safety profile...
August 2, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28801357/the-autoimmune-risk-variant-ptpn22-c1858t-alters-b-cell-tolerance-at-discrete-checkpoints-and-differentially-shapes-the-naive-repertoire
#19
Genita Metzler, Xuezhi Dai, Christopher D Thouvenel, Socheath Khim, Tania Habib, Jane H Buckner, David J Rawlings
A common genetic variant in the gene encoding the protein tyrosine phosphatase nonreceptor type 22 (PTPN22 C1858T) has been linked to a wide range of autoimmune disorders. Although a B cell-intrinsic role in promoting disease has been reported, the mechanism(s) through which this variant functions to alter the preimmune B cell repertoire remains unknown. Using a series of polyclonal and transgenic self-reactive models harboring the analogous mutation in murine Ptpn22, we show evidence for enhanced BCR, B cell-activating factor receptor, and CD40 coreceptor programs, leading to broadly enhanced positive selection of B cells at two discrete checkpoints in the bone marrow and spleen...
August 11, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28801214/lobar-hemorrhage-induced-by-acquired-factor-xiii-deficiency-in-a-patient-with-cerebral-amyloid-angiopathy
#20
Hidetaka Arishima, Hiroyuki Neishi, Ken-Ichiro Kikuta, Mihoko Morita, Naoko Hosono, Takahiro Yamauchi, Masayoshi Souri, Akitada Ichinose
A 68-year-old man presented with intracranial hemorrhage in the right frontal lobe, which rapidly increased the day after admission. We performed hematoma removal with a biopsy of the cortex around the hematoma. The day after the operation, a subcutaneous hematoma over the craniotomy appeared, and the computed tomography showed a recurrent hemorrhage with an acute subdural hematoma. We were aware of a bleeding tendency, and a detailed hematologic examination by hematologists revealed autoimmune acquired factor XIII deficiency due to an antifactor XIII antibody...
August 8, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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