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https://www.readbyqxmd.com/read/28108944/the-seroprevalence-of-antithyroid-peroxidase-antibodies-in-bipolar-families-and-bipolar-twins-results-from-two-longitudinal-studies
#1
G Snijders, L de Witte, E Mesman, S Kemner, R Vonk, R Brouwer, W A Nolen, H A Drexhage, M H J Hillegers
BACKGROUND: Previous studies of our group among bipolar offspring and bipolar twins showed significant higher prevalence's and levels of antithyroid peroxidase antibodies (TPO-Abs) in offspring and co-twins (without a mood disorder) compared to controls, suggesting that TPO-Abs might be considered as vulnerability factor (trait marker) for BD development. OBJECTIVES: Here we elucidate, in the same cohorts, but now after 12- and 6-year follow-up, whether TPO-abs should be considered as a 'trait' marker for BD...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28108375/the-role-of-pattern-recognition-receptors-in-lung-sarcoidosis
#2
Esmaeil Mortaz, Ian M Adcock, Atefhe Abedini, Arda Kiani, Mehdi Kazempour-Dizaji, Masoud Movassaghi, Johan Garssen
Sarcoidosis is a granulomatous disorder of unknown etiology. Infection, genetic factors, autoimmunity and an aberrant innate immune system have been explored as potential causes of sarcoidosis. The etiology of sarcoidosis remains unknown, and it is thought that it might be caused by an infectious agent in a genetically predisposed, susceptible host. Inflammation results from recognition of evolutionarily conserved structures of pathogens (Pathogen-associated molecular patterns, PAMPs) and/or from reaction to tissue damage associated patterns (DAMPs) through recognition by a limited number of germ line-encoded pattern recognition receptors (PRRs)...
January 17, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#3
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107375/narcolepsy-type-1-is-associated-with-a-systemic-increase-and-activation-of-regulatory-t-cells-and-with-a-systemic-activation-of-global-t-cells
#4
Michel Lecendreux, Guillaume Churlaud, Fabien Pitoiset, Armelle Regnault, Tu Anh Tran, Roland Liblau, David Klatzmann, Michelle Rosenzwajg
Narcolepsy is a rare neurologic disorder characterized by excessive daytime sleepiness, cataplexy and disturbed nocturnal sleep patterns. Narcolepsy type 1 (NT1) has been shown to result from a selective loss of hypothalamic hypocretin-secreting neurons with patients typically showing low CSF-hypocretin levels (<110 pg/ml). This specific loss of hypocretin and the strong association with the HLA-DQB1*06:02 allele led to the hypothesis that NT1 could be an immune-mediated pathology. Moreover, susceptibility to NT1 has recently been associated with several pathogens, particularly with influenza A H1N1 virus either through infection or vaccination...
2017: PloS One
https://www.readbyqxmd.com/read/28107165/interleukin-33-plasma-levels-in-patients-with-relapsing-remitting-multiple-sclerosis
#5
Fereshteh Alsahebfosoul, Ilnaz Rahimmanesh, Mansour Shajarian, Masoud Etemadifar, Nahid Sedaghat, Zahra Hejazi, Shamsi Naderi
Cytokines are implicated in the immunopathogenesis of multiple sclerosis (MS). Interleukin (IL)-33, one of the recently discovered members of the IL-1 superfamily, is a dual functional cytokine involved in various autoimmune disorders. In a case-control study, venous blood was collected from healthy subjects categorized as control group (n=44) and MS patients (n=44). All recruited patients were clinically diagnosed with relapsing-remitting MS (RRMS), including patients without treatment (new identified cases, n=16) and those treated with interferon beta (IFN-β) (n=28)...
January 20, 2017: Biomolecular Concepts
https://www.readbyqxmd.com/read/28106799/rna-editing-adar1-and-the-innate-immune-response
#6
REVIEW
Qingde Wang, Xiaoni Li, Ruofan Qi, Timothy Billiar
RNA editing, particularly A-to-I RNA editing, has been shown to play an essential role in mammalian embryonic development and tissue homeostasis, and is implicated in the pathogenesis of many diseases including skin pigmentation disorder, autoimmune and inflammatory tissue injury, neuron degeneration, and various malignancies. A-to-I RNA editing is carried out by a small group of enzymes, the adenosine deaminase acting on RNAs (ADARs). Only three members of this protein family, ADAR1-3, exist in mammalian cells...
January 18, 2017: Genes
https://www.readbyqxmd.com/read/28106787/anti-nmda-receptor-encephalitis-and-vaccination
#7
Hsiuying Wang
Anti-N-methyl-d-aspartate (Anti-NMDA) receptor encephalitis is an acute autoimmune neurological disorder. The cause of this disease is often unknown, and previous studies revealed that it might be caused by a virus, vaccine or tumor. It occurs more often in females than in males. Several cases were reported to be related to vaccination such as the H1N1 vaccine and tetanus/diphtheria/pertussis and polio vaccines. In this study, we reported an anti-NMDA receptor encephalitis case that may be caused by Japanese encephalitis vaccination...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106077/mesenchymal-stem-cell-transplantation-in-tight-skin-mice-identifies-mir-151-5p-as-a-therapeutic-target-for-systemic-sclerosis
#8
Chider Chen, Dandan Wang, Alireza Moshaverinia, Dawei Liu, Xiaoxing Kou, Wenjing Yu, Ruili Yang, Lingyun Sun, Songtao Shi
Systemic sclerosis (SSc), an autoimmune disease, may cause significant osteopenia due to activation of the IL4Rα/mTOR pathway. Mesenchymal stem cell transplantation (MSCT) can ameliorate immune disorders in SSc via inducing immune tolerance. However, it is unknown whether MSCT rescues osteopenia phenotype in SSc. Here we show that MSCT can effectively ameliorate osteopenia in SSc mice by rescuing impaired lineage differentiation of the recipient bone marrow MSCs. Mechanistically, we show that donor MSCs transfer miR-151-5p to the recipient bone marrow MSCs in SSc mice to inhibit IL4Rα expression, thus downregulating mTOR pathway activation to enhance osteogenic differentiation and reduce adipogenic differentiation...
January 20, 2017: Cell Research
https://www.readbyqxmd.com/read/28105358/primary-autoimmune-myelofibrosis-with-severe-thrombocytopenia-mimicking-immune-thrombocytopenia-a-case-report
#9
Jian Hua, Shu Matayoshi, Tomoyuki Uchida, Morihiro Inoue, Masao Hagihara
Patients presenting with bone marrow fibrosis not accompanied by well-established autoimmune diseases, such as systemic lupus erythematosus, or malignant diseases, are considered to have primary autoimmune myelofibrosis (AIMF). Primary AIMF has been reported to follow a benign course and responds well to treatment with immunosuppressive agents. Immune thrombocytopenia (ITP) is also an autoimmune disorder characterized by antiplatelet-antibody-mediated thrombocytopenia in the absence of other causes of thrombocytopenia...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28103949/activation-of-human-b-cells-negatively-regulates-tgf-%C3%AE-1-production
#10
Nicolas Molnarfi, Kristbjörg Bjarnadóttir, Mahdia Benkhoucha, Catherine Juillard, Patrice H Lalive
BACKGROUND: Accumulating evidence indicate that B cells can exhibit pro- or anti-inflammatory activities. Similar to interleukin (IL)-10-competent B cells, we recently showed that transforming growth factor (TGF)-β1-producing regulatory B cells limit the induction of autoimmune neuroinflammation in mice, making them potentially important in maintaining peripheral immune tolerance in central nervous system inflammatory demyelinating disorders such as multiple sclerosis. METHODS: In this study, we compared B cell production of TGF-β1 and IL-10, the two most studied regulatory cytokines, and the pro-inflammatory B cell-derived IL-6 and tumor necrosis factor cytokines under basal conditions and following polyclonal stimulation with dual B cell receptor (BCR) cross-linking and Toll-like receptor (TLR)9 engagement...
January 19, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28103676/complete-tetrasaccharide-repeat-unit-biosynthesis-of-the-immunomodulatory-bacteroides-fragilis-capsular-polysaccharide-a
#11
Sunita Sharma, Katelyn M Erickson, Jerry M Troutman
Capsular polysaccharide A (CPSA) is a four-sugar repeating unit polymer found on the surface of the gut symbiont Bacteroides fragilis that has therapeutic potential in animal models of autoimmune disorders. This therapeutic potential has been credited to its zwitterionic character derived from a positively charged N-acetyl-4-aminogalactosamine (AADGal) and a negatively charged 4,6-O-pyruvylated galactose (PyrGal). In this report, using a fluorescent polyisoprenoid chemical probe, the complete enzymatic assembly of the CPSA tetrasaccharide repeat unit is achieved...
January 20, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28102512/anti-phospholipid-syndrome-associated-with-schizophrenia-description-of-five-patients-and-review-of-the-literature
#12
Pikman Regina, Rotman Pnina, Aiman Natur, Levy Yair
Anti-phospholipid syndrome is an autoimmune disorder characterized by anti-phospholipid antibodies, arterial and venous thrombosis, pregnancy morbidity, and various neurological manifestations including psychiatric disorders. Higher incidence of various autoimmune disorders was found in schizophrenia. In addition, an association between the presence of anti-phospholipid antibodies and schizophrenia or psychosis was previously described, mainly as case reports. Although initially believed to be a result of neuroleptic treatment, the reasons for this association remain obscure...
January 19, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28102101/thyroid-in-pregnancy-from-physiology-to-screening
#13
Drahomira Springer, Jan Jiskra, Zdenka Limanova, Tomas Zima, Eliska Potlukova
Thyroid hormones are crucial for the growth and maturation of many target tissues, especially the brain and skeleton. During critical periods in the first trimester of pregnancy, maternal thyroxine is essential for fetal development as it supplies thyroid hormone-dependent tissues. The ontogeny of mature thyroid function involves organogenesis, and maturation of the hypothalamus, pituitary and the thyroid gland; and it is almost complete by the 12th-14th gestational week. In case of maternal hypothyroidism, substitution with levothyroxine must be started in early pregnancy...
January 19, 2017: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/28101810/increased-incidence-of-autoimmune-thyroid-disorders-in-patients-with-psoriatic-arthritis-a-longitudinal-follow-up-study
#14
Poupak Fallahi, Silvia Martina Ferrari, Ilaria Ruffilli, Giusy Elia, Mario Miccoli, Andrea Delle Sedie, Lucrezia Riente, Alessandro Antonelli
Contrasting results have been reported about the prevalence of thyroid autoimmunity (AT) and dysfunction (TD) in patients with psoriatic arthritis (PsA). In this study, we pointed to evaluate the incidence of new cases of clinical and subclinical TD in a broad group of patients with PsA versus a control group, matched by age and gender belonging to the same geographic area. PsA patients with TD were excluded firstly, and new cases of thyroid disorders were evaluated in 97 PsA patients and 97 matched controls, who had comparable iodine intake (median follow-up of 74 months in PsA versus 92 in controls)...
January 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28101360/successful-treatment-of-anti-nmda-receptor-encephalitis-with-a-prompt-ovarian-tumour-removal-and-prolonged-course-of-plasmapheresis-a-case-report
#15
Elzbieta Rypulak, Michal Borys, Pawel Piwowarczyk, Magdalena Fijalkowska, Beata Potrec, Justyna Sysiak, Janusz Spustek, Alicja Bartkowska-Sniatkowska, Jan Kotarski, Waldemar A Turski, Konrad Rejdak, Miroslaw Czuczwar
Anti-N-methyl-d-aspartate-receptor (NMDAR) encephalitis is an uncommon autoimmune disorder with a wide spectrum of neuropsychiatric symptoms. There is a great requirement to emphasize the importance of a multidisciplinary team approach in the process of diagnosis and treatment of the potentially fatal condition, including psychiatrists, neurologists, gynaecologists and intensivists. Physicians must be aware that psychiatric and neurological disorders, which are typical features for NMDAR encephalitis in young women with ovarian tumours, may progress into status epilepticus and respiratory insufficiency...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28100844/phospholipids-and-products-of-their-hydrolysis-as-dietary-preventive-factors-for-civilization-diseases
#16
Karol Parchem, Agnieszka Bartoszek
The results of numerous epidemiological studies indicate that phospholipids play an important role in the prevention of chronic diseases faced by contemporary society. Firstly, these compounds are responsible for the proper functioning of cell membranes, by ensuring liquidity and permeability, which is pivotal for normal activity of membrane proteins, including receptors. These mechanisms are at the core of prevention of cancer, autoimmune or neurological disorders. Secondly, structure and properties of phospholipids cause that they are highly available source of biologically active fatty acids...
December 31, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28098832/therapeutic-potential-of-targeting-the-th17-treg-axis-in-autoimmune-disorders
#17
REVIEW
Patrizia Fasching, Martin Stradner, Winfried Graninger, Christian Dejaco, Johannes Fessler
A disruption of the crucial balance between regulatory T-cells (Tregs) and Th17-cells was recently implicated in various autoimmune disorders. Tregs are responsible for the maintenance of self-tolerance, thus inhibiting autoimmunity, whereas pro-inflammatory Th17-cells contribute to the induction and propagation of inflammation. Distortion of the Th17/Treg balance favoring the  pro-inflammatory Th17 side is hence suspected to contribute to exacerbation of autoimmune disorders. This review aims to summarize recent data and advances in targeted therapeutic modification of the Th17/Treg-balance, as well as information on the efficacy of candidate therapeutics with respect to the treatment of autoimmune diseases...
January 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28097735/autoimmune-enteropathy-and-hepatitis-in-pediatric-heart-transplant-recipient
#18
Kimberly Lewis, Ryan Butts, J Antonio Quiros, Michelle Hudspeth, Katherine Twombley, Andrew Savage, Sally Self, Ali Burnette, Shaoli Sun
AIE is a rare disorder in children that presents with severe diarrhea and malabsorption, caused by immune-mediated damage to intestinal mucosa. AIE is often associated with various syndromes of immunodeficiency including IPEX syndrome (immune dysregulation, polyendocrinopathy and enteropathy, X-linked). Dysfunctional T regulatory cells are the source of pathology in both IPEX syndrome and AIE as they are essential in maintaining tolerance to self-antigens and eliminating autoreactive B cells. This case report describes a 10-year-old cardiac transplant and total thymectomy patient on chronic immunosuppression with tacrolimus that presented with AIE and extraintestinal manifestations of cyclical hepatitis...
January 17, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28097511/brain-calcification-and-movement-disorders
#19
REVIEW
Vladimir S Kostić, Igor N Petrović
Brain calcifications may be an incidental finding on neuroimaging in normal, particularly older individuals, but can also indicate numerous hereditary and nonhereditary syndromes, and metabolic, environmental, infectious, autoimmune, mitochondrial, traumatic, or toxic disorders. Bilateral calcifications most commonly affecting the basal ganglia may often be found in idiopathic cases, and a new term, primary familial brain calcification (PFBC), has been proposed that recognizes the genetic causes of the disorder and that calcifications occurred well beyond the basal ganglia...
January 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28096524/a-case-of-seronegative-limbic-encephalitis-with-multiple-sclerosis-a-possible-overlapping-syndrome
#20
Zerrin Karaaslan, Özlem Mercan, Erdem Tüzün, Handan Mısırlı, Recai Türkoğlu
BACKGROUND Autoimmune encephalitis might coexist in patients with autoimmune demyelinating disorders. CASE REPORT We report on a case of a 45-year-old female multiple sclerosis (MS) patient presenting with acute onset short-term memory loss, altered mental status, inflammatory cerebrospinal fluid (CSF) findings and an MRI lesion on the left temporal lobe. An extensive panel for neuronal autoantibodies proved negative. Neuropsychological symptoms gave a prompt response to immunotherapy but nevertheless control MRI showed left hippocampal atrophy...
January 18, 2017: American Journal of Case Reports
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